1 /*
2 * Driver interaction with Linux nl80211/cfg80211
3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2003-2004, Instant802 Networks, Inc.
5 * Copyright (c) 2005-2006, Devicescape Software, Inc.
6 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
7 * Copyright (c) 2009-2010, Atheros Communications
8 *
9 * This software may be distributed under the terms of the BSD license.
10 * See README for more details.
11 */
12
13 #include "includes.h"
14 #include <sys/types.h>
15 #include <sys/utsname.h>
16 #include <fcntl.h>
17 #include <net/if.h>
18 #include <netlink/genl/genl.h>
19 #include <netlink/genl/ctrl.h>
20 #include <netlink/genl/family.h>
21 #include <linux/rtnetlink.h>
22 #include <netpacket/packet.h>
23 #include <linux/errqueue.h>
24
25 #include "common.h"
26 #include "eloop.h"
27 #include "common/qca-vendor.h"
28 #include "common/qca-vendor-attr.h"
29 #include "common/brcm_vendor.h"
30 #include "common/ieee802_11_defs.h"
31 #include "common/ieee802_11_common.h"
32 #include "common/wpa_common.h"
33 #include "crypto/sha256.h"
34 #include "crypto/sha384.h"
35 #include "netlink.h"
36 #include "linux_defines.h"
37 #include "linux_ioctl.h"
38 #include "radiotap.h"
39 #include "radiotap_iter.h"
40 #include "rfkill.h"
41 #include "driver_nl80211.h"
42
43
44 #ifndef NETLINK_CAP_ACK
45 #define NETLINK_CAP_ACK 10
46 #endif /* NETLINK_CAP_ACK */
47 /* support for extack if compilation headers are too old */
48 #ifndef NETLINK_EXT_ACK
49 #define NETLINK_EXT_ACK 11
50 enum nlmsgerr_attrs {
51 NLMSGERR_ATTR_UNUSED,
52 NLMSGERR_ATTR_MSG,
53 NLMSGERR_ATTR_OFFS,
54 NLMSGERR_ATTR_COOKIE,
55
56 __NLMSGERR_ATTR_MAX,
57 NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1
58 };
59 #endif
60 #ifndef NLM_F_CAPPED
61 #define NLM_F_CAPPED 0x100
62 #endif
63 #ifndef NLM_F_ACK_TLVS
64 #define NLM_F_ACK_TLVS 0x200
65 #endif
66 #ifndef SOL_NETLINK
67 #define SOL_NETLINK 270
68 #endif
69
70
71 #ifdef ANDROID
72 /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */
73 #undef nl_socket_set_nonblocking
74 #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h)
75
76 #endif /* ANDROID */
77
78
nl_create_handle(struct nl_cb * cb,const char * dbg)79 static struct nl_sock * nl_create_handle(struct nl_cb *cb, const char *dbg)
80 {
81 struct nl_sock *handle;
82
83 handle = nl_socket_alloc_cb(cb);
84 if (handle == NULL) {
85 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
86 "callbacks (%s)", dbg);
87 return NULL;
88 }
89
90 if (genl_connect(handle)) {
91 wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic "
92 "netlink (%s)", dbg);
93 nl_socket_free(handle);
94 return NULL;
95 }
96
97 return handle;
98 }
99
100
nl_destroy_handles(struct nl_sock ** handle)101 static void nl_destroy_handles(struct nl_sock **handle)
102 {
103 if (*handle == NULL)
104 return;
105 nl_socket_free(*handle);
106 *handle = NULL;
107 }
108
109
110 #if __WORDSIZE == 64
111 #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL
112 #else
113 #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL
114 #endif
115
nl80211_register_eloop_read(struct nl_sock ** handle,eloop_sock_handler handler,void * eloop_data,int persist)116 static void nl80211_register_eloop_read(struct nl_sock **handle,
117 eloop_sock_handler handler,
118 void *eloop_data, int persist)
119 {
120 /*
121 * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
122 * by default. It is possible to hit that limit in some cases where
123 * operations are blocked, e.g., with a burst of Deauthentication frames
124 * to hostapd and STA entry deletion. Try to increase the buffer to make
125 * this less likely to occur.
126 */
127 int err;
128
129 err = nl_socket_set_buffer_size(*handle, 262144, 0);
130 if (err < 0) {
131 wpa_printf(MSG_DEBUG,
132 "nl80211: Could not set nl_socket RX buffer size: %s",
133 nl_geterror(err));
134 /* continue anyway with the default (smaller) buffer */
135 }
136
137 nl_socket_set_nonblocking(*handle);
138 eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
139 eloop_data, *handle);
140 if (!persist)
141 *handle = (void *) (((intptr_t) *handle) ^
142 ELOOP_SOCKET_INVALID);
143 }
144
145
nl80211_destroy_eloop_handle(struct nl_sock ** handle,int persist)146 static void nl80211_destroy_eloop_handle(struct nl_sock **handle, int persist)
147 {
148 if (!persist)
149 *handle = (void *) (((intptr_t) *handle) ^
150 ELOOP_SOCKET_INVALID);
151 eloop_unregister_read_sock(nl_socket_get_fd(*handle));
152 nl_destroy_handles(handle);
153 }
154
155
156 static void nl80211_global_deinit(void *priv);
157 static void nl80211_check_global(struct nl80211_global *global);
158
159 static void wpa_driver_nl80211_deinit(struct i802_bss *bss);
160 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
161 struct hostapd_freq_params *freq);
162
163 static int
164 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
165 const u8 *set_addr, int first,
166 const char *driver_params);
167 static int nl80211_send_frame_cmd(struct i802_bss *bss,
168 unsigned int freq, unsigned int wait,
169 const u8 *buf, size_t buf_len,
170 int save_cookie, int no_cck, int no_ack,
171 int offchanok, const u16 *csa_offs,
172 size_t csa_offs_len, int link_id);
173 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
174 int report);
175
176 #define IFIDX_ANY -1
177
178 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
179 int ifidx_reason);
180 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
181 int ifidx_reason);
182 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
183 int ifidx_reason);
184
185 static int nl80211_set_channel(struct i802_bss *bss,
186 struct hostapd_freq_params *freq, int set_chan);
187 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
188 int ifindex, int disabled);
189
190 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
191 int reset_mode);
192
193 static int i802_set_iface_flags(struct i802_bss *bss, int up);
194 static int nl80211_set_param(void *priv, const char *param);
195 static void nl80211_remove_links(struct i802_bss *bss);
196 #ifdef CONFIG_MESH
197 static int nl80211_put_mesh_config(struct nl_msg *msg,
198 struct wpa_driver_mesh_bss_params *params);
199 #endif /* CONFIG_MESH */
200 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
201 u16 reason);
202
203
204 /* Converts nl80211_chan_width to a common format */
convert2width(int width)205 enum chan_width convert2width(int width)
206 {
207 switch (width) {
208 case NL80211_CHAN_WIDTH_20_NOHT:
209 return CHAN_WIDTH_20_NOHT;
210 case NL80211_CHAN_WIDTH_20:
211 return CHAN_WIDTH_20;
212 case NL80211_CHAN_WIDTH_40:
213 return CHAN_WIDTH_40;
214 case NL80211_CHAN_WIDTH_80:
215 return CHAN_WIDTH_80;
216 case NL80211_CHAN_WIDTH_80P80:
217 return CHAN_WIDTH_80P80;
218 case NL80211_CHAN_WIDTH_160:
219 return CHAN_WIDTH_160;
220 case NL80211_CHAN_WIDTH_320:
221 return CHAN_WIDTH_320;
222 default:
223 return CHAN_WIDTH_UNKNOWN;
224 }
225 }
226
227
is_ap_interface(enum nl80211_iftype nlmode)228 int is_ap_interface(enum nl80211_iftype nlmode)
229 {
230 return nlmode == NL80211_IFTYPE_AP ||
231 nlmode == NL80211_IFTYPE_P2P_GO;
232 }
233
234
is_sta_interface(enum nl80211_iftype nlmode)235 int is_sta_interface(enum nl80211_iftype nlmode)
236 {
237 return nlmode == NL80211_IFTYPE_STATION ||
238 nlmode == NL80211_IFTYPE_P2P_CLIENT;
239 }
240
241
is_p2p_net_interface(enum nl80211_iftype nlmode)242 static int is_p2p_net_interface(enum nl80211_iftype nlmode)
243 {
244 return nlmode == NL80211_IFTYPE_P2P_CLIENT ||
245 nlmode == NL80211_IFTYPE_P2P_GO;
246 }
247
248
get_bss_ifindex(struct wpa_driver_nl80211_data * drv,int ifindex)249 struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv,
250 int ifindex)
251 {
252 struct i802_bss *bss;
253
254 for (bss = drv->first_bss; bss; bss = bss->next) {
255 if (bss->ifindex == ifindex)
256 return bss;
257 }
258
259 return NULL;
260 }
261
262
is_mesh_interface(enum nl80211_iftype nlmode)263 static int is_mesh_interface(enum nl80211_iftype nlmode)
264 {
265 return nlmode == NL80211_IFTYPE_MESH_POINT;
266 }
267
268
nl80211_mark_disconnected(struct wpa_driver_nl80211_data * drv)269 void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv)
270 {
271 if (drv->associated)
272 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
273 drv->associated = 0;
274 os_memset(&drv->sta_mlo_info, 0, sizeof(drv->sta_mlo_info));
275 os_memset(drv->bssid, 0, ETH_ALEN);
276 drv->first_bss->flink->freq = 0;
277 #ifdef CONFIG_DRIVER_NL80211_QCA
278 os_free(drv->pending_roam_data);
279 drv->pending_roam_data = NULL;
280 os_free(drv->pending_t2lm_data);
281 drv->pending_t2lm_data = NULL;
282 os_free(drv->pending_link_reconfig_data);
283 drv->pending_link_reconfig_data = NULL;
284 #endif /* CONFIG_DRIVER_NL80211_QCA */
285
286 drv->auth_mld = false;
287 drv->auth_mld_link_id = -1;
288 os_memset(drv->auth_ap_mld_addr, 0, ETH_ALEN);
289 }
290
291
292 /* nl80211 code */
ack_handler(struct nl_msg * msg,void * arg)293 static int ack_handler(struct nl_msg *msg, void *arg)
294 {
295 int *err = arg;
296 *err = 0;
297 return NL_STOP;
298 }
299
300
301 struct nl80211_ack_ext_arg {
302 int *err;
303 void *ext_data;
304 };
305
306
ack_handler_cookie(struct nl_msg * msg,void * arg)307 static int ack_handler_cookie(struct nl_msg *msg, void *arg)
308 {
309 struct nl80211_ack_ext_arg *ext_arg = arg;
310 struct nlattr *tb[NLMSGERR_ATTR_MAX + 1];
311 u64 *cookie = ext_arg->ext_data;
312 struct nlattr *attrs;
313 size_t ack_len, attr_len;
314
315 *ext_arg->err = 0;
316 ack_len = sizeof(struct nlmsghdr) + sizeof(int) +
317 sizeof(struct nlmsghdr);
318 attrs = (struct nlattr *)
319 ((u8 *) nlmsg_data(nlmsg_hdr(msg)) + sizeof(struct nlmsghdr) +
320 sizeof(int));
321 if (nlmsg_hdr(msg)->nlmsg_len <= ack_len)
322 return NL_STOP;
323
324 attr_len = nlmsg_hdr(msg)->nlmsg_len - ack_len;
325
326 if(!(nlmsg_hdr(msg)->nlmsg_flags & NLM_F_ACK_TLVS))
327 return NL_STOP;
328
329 nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, attr_len, NULL);
330 if (tb[NLMSGERR_ATTR_COOKIE])
331 *cookie = nla_get_u64(tb[NLMSGERR_ATTR_COOKIE]);
332
333 return NL_STOP;
334 }
335
336
finish_handler(struct nl_msg * msg,void * arg)337 static int finish_handler(struct nl_msg *msg, void *arg)
338 {
339 int *ret = arg;
340 *ret = 0;
341 return NL_SKIP;
342 }
343
344 struct nl80211_ack_err_args {
345 int err;
346 struct nl_msg *orig_msg;
347 struct nl80211_err_info *err_info;
348 };
349
error_handler(struct sockaddr_nl * nla,struct nlmsgerr * err,void * arg)350 static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
351 void *arg)
352 {
353 struct nl80211_ack_err_args *err_args = arg;
354 struct nlmsghdr *nlh = (struct nlmsghdr *) err - 1;
355 struct nlmsghdr *orig_nlh = nlmsg_hdr(err_args->orig_msg);
356 int len = nlh->nlmsg_len;
357 struct nlattr *attrs;
358 struct nlattr *tb[NLMSGERR_ATTR_MAX + 1];
359 int ack_len = sizeof(*nlh) + sizeof(int) + sizeof(*nlh);
360 struct nlattr *mlo_links, *link_attr;
361 u32 offset;
362 int rem;
363
364 err_args->err = err->error;
365 if (err_args->err_info)
366 err_args->err_info->link_id = -1;
367
368 if (!(nlh->nlmsg_flags & NLM_F_ACK_TLVS))
369 return NL_SKIP;
370
371 if (!(nlh->nlmsg_flags & NLM_F_CAPPED))
372 ack_len += err->msg.nlmsg_len - sizeof(*nlh);
373
374 if (len <= ack_len)
375 return NL_STOP;
376
377 attrs = (void *) ((unsigned char *) nlh + ack_len);
378 len -= ack_len;
379
380 nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, len, NULL);
381 if (tb[NLMSGERR_ATTR_MSG]) {
382 len = strnlen((char *) nla_data(tb[NLMSGERR_ATTR_MSG]),
383 nla_len(tb[NLMSGERR_ATTR_MSG]));
384 wpa_printf(MSG_ERROR, "nl80211: kernel reports: %*s",
385 len, (char *) nla_data(tb[NLMSGERR_ATTR_MSG]));
386 }
387
388 if (!err_args->err_info)
389 return NL_SKIP;
390
391 /* Check if it was a per-link error report */
392
393 if (!tb[NLMSGERR_ATTR_OFFS] ||
394 os_memcmp(orig_nlh, &err->msg, sizeof(err->msg)) != 0)
395 return NL_SKIP;
396
397 offset = nla_get_u32(tb[NLMSGERR_ATTR_OFFS]);
398
399 mlo_links = nlmsg_find_attr(orig_nlh, GENL_HDRLEN,
400 NL80211_ATTR_MLO_LINKS);
401 if (!mlo_links)
402 return NL_SKIP;
403
404 nla_for_each_nested(link_attr, mlo_links, rem) {
405 struct nlattr *link_id;
406 size_t link_offset = (u8 *) link_attr - (u8 *) orig_nlh;
407
408 if (offset < link_offset ||
409 offset >= link_offset + link_attr->nla_len)
410 continue;
411
412 link_id = nla_find(nla_data(link_attr), nla_len(link_attr),
413 NL80211_ATTR_MLO_LINK_ID);
414 if (link_id) {
415 err_args->err_info->link_id = nla_get_u8(link_id);
416 wpa_printf(MSG_DEBUG,
417 "nl80211: kernel reports error for link: %d",
418 err_args->err_info->link_id);
419 break;
420 }
421 }
422
423 return NL_SKIP;
424 }
425
426
no_seq_check(struct nl_msg * msg,void * arg)427 static int no_seq_check(struct nl_msg *msg, void *arg)
428 {
429 return NL_OK;
430 }
431
432
nl80211_nlmsg_clear(struct nl_msg * msg)433 static void nl80211_nlmsg_clear(struct nl_msg *msg)
434 {
435 /*
436 * Clear nlmsg data, e.g., to make sure key material is not left in
437 * heap memory for unnecessarily long time.
438 */
439 if (msg) {
440 struct nlmsghdr *hdr = nlmsg_hdr(msg);
441 void *data = nlmsg_data(hdr);
442 /*
443 * This would use nlmsg_datalen() or the older nlmsg_len() if
444 * only libnl were to maintain a stable API.. Neither will work
445 * with all released versions, so just calculate the length
446 * here.
447 */
448 int len = hdr->nlmsg_len - NLMSG_HDRLEN;
449
450 os_memset(data, 0, len);
451 }
452 }
453
454
send_event_marker(struct wpa_driver_nl80211_data * drv)455 static int send_event_marker(struct wpa_driver_nl80211_data *drv)
456 {
457 struct nl_sock *handle;
458 struct nl_msg *msg;
459 struct nlmsghdr *hdr;
460 int res = 0;
461 int err = -NLE_NOMEM;
462
463 msg = nlmsg_alloc();
464 if (!msg)
465 goto out;
466
467 /* We only care about the returned sequence number for matching. */
468 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES))
469 goto out;
470
471 handle = (void *) (((intptr_t) drv->global->nl_event) ^
472 ELOOP_SOCKET_INVALID);
473
474 err = nl_send_auto_complete(handle, msg);
475 if (err < 0)
476 goto out;
477
478 hdr = nlmsg_hdr(msg);
479 res = hdr->nlmsg_seq;
480
481 out:
482 nlmsg_free(msg);
483 if (err)
484 wpa_printf(MSG_INFO, "nl80211: %s failed: %s",
485 __func__, nl_geterror(err));
486 return res;
487 }
488
489
send_and_recv(struct nl80211_global * global,struct nl_sock * nl_handle,struct nl_msg * msg,int (* valid_handler)(struct nl_msg *,void *),void * valid_data,int (* ack_handler_custom)(struct nl_msg *,void *),void * ack_data,struct nl80211_err_info * err_info)490 int send_and_recv(struct nl80211_global *global,
491 struct nl_sock *nl_handle, struct nl_msg *msg,
492 int (*valid_handler)(struct nl_msg *, void *),
493 void *valid_data,
494 int (*ack_handler_custom)(struct nl_msg *, void *),
495 void *ack_data,
496 struct nl80211_err_info *err_info)
497 {
498 struct nl_cb *cb, *s_nl_cb;
499 struct nl80211_ack_err_args err;
500 int opt;
501
502 if (!msg)
503 return -ENOMEM;
504
505 err.err = -ENOMEM;
506
507 s_nl_cb = nl_socket_get_cb(nl_handle);
508 cb = nl_cb_clone(s_nl_cb);
509 nl_cb_put(s_nl_cb);
510 if (!cb)
511 goto out;
512
513 /* try to set NETLINK_EXT_ACK to 1, ignoring errors */
514 opt = 1;
515 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
516 NETLINK_EXT_ACK, &opt, sizeof(opt));
517
518 /* try to set NETLINK_CAP_ACK to 1, ignoring errors */
519 opt = 1;
520 setsockopt(nl_socket_get_fd(nl_handle), SOL_NETLINK,
521 NETLINK_CAP_ACK, &opt, sizeof(opt));
522
523 err.err = nl_send_auto_complete(nl_handle, msg);
524 if (err.err < 0) {
525 wpa_printf(MSG_INFO,
526 "nl80211: nl_send_auto_complete() failed: %s",
527 nl_geterror(err.err));
528 /* Need to convert libnl error code to an errno value. For now,
529 * just hardcode this to EBADF; the real error reason is shown
530 * in that error print above. */
531 err.err = -EBADF;
532 goto out;
533 }
534
535 err.err = 1;
536 err.orig_msg = msg;
537 err.err_info = err_info;
538
539 nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
540 nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err.err);
541 if (ack_handler_custom) {
542 struct nl80211_ack_ext_arg *ext_arg = ack_data;
543
544 ext_arg->err = &err.err;
545 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM,
546 ack_handler_custom, ack_data);
547 } else {
548 nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
549 }
550
551 if (valid_handler)
552 nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
553 valid_handler, valid_data);
554
555 while (err.err > 0) {
556 int res = nl_recvmsgs(nl_handle, cb);
557
558 if (res == -NLE_DUMP_INTR) {
559 /* Most likely one of the nl80211 dump routines hit a
560 * case where internal results changed while the dump
561 * was being sent. The most common known case for this
562 * is scan results fetching while associated were every
563 * received Beacon frame from the AP may end up
564 * incrementing bss_generation. This
565 * NL80211_CMD_GET_SCAN case tries again in the caller;
566 * other cases (of which there are no known common ones)
567 * will stop and return an error. */
568 wpa_printf(MSG_DEBUG, "nl80211: %s; convert to -EAGAIN",
569 nl_geterror(res));
570 err.err = -EAGAIN;
571 } else if (res < 0) {
572 wpa_printf(MSG_INFO,
573 "nl80211: %s->nl_recvmsgs failed: %d (%s)",
574 __func__, res, nl_geterror(res));
575 }
576 }
577 out:
578 nl_cb_put(cb);
579 /* Always clear the message as it can potentially contain keys */
580 nl80211_nlmsg_clear(msg);
581 nlmsg_free(msg);
582 return err.err;
583 }
584
585
nl80211_put_control_port(struct wpa_driver_nl80211_data * drv,struct nl_msg * msg)586 static int nl80211_put_control_port(struct wpa_driver_nl80211_data *drv,
587 struct nl_msg *msg)
588 {
589 if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT) ||
590 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, ETH_P_PAE) ||
591 ((drv->capa.flags2 & WPA_DRIVER_FLAGS2_CONTROL_PORT_RX) &&
592 (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_OVER_NL80211) ||
593 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_PREAUTH))))
594 return -1;
595 return 0;
596 }
597
598
599 struct family_data {
600 const char *group;
601 int id;
602 };
603
604
family_handler(struct nl_msg * msg,void * arg)605 static int family_handler(struct nl_msg *msg, void *arg)
606 {
607 struct family_data *res = arg;
608 struct nlattr *tb[CTRL_ATTR_MAX + 1];
609 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
610 struct nlattr *mcgrp;
611 int i;
612
613 nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
614 genlmsg_attrlen(gnlh, 0), NULL);
615 if (!tb[CTRL_ATTR_MCAST_GROUPS])
616 return NL_SKIP;
617
618 nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) {
619 struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1];
620 nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp),
621 nla_len(mcgrp), NULL);
622 if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] ||
623 !tb2[CTRL_ATTR_MCAST_GRP_ID] ||
624 os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]),
625 res->group,
626 nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0)
627 continue;
628 res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]);
629 break;
630 };
631
632 return NL_SKIP;
633 }
634
635
nl_get_multicast_id(struct nl80211_global * global,const char * family,const char * group)636 static int nl_get_multicast_id(struct nl80211_global *global,
637 const char *family, const char *group)
638 {
639 struct nl_msg *msg;
640 int ret;
641 struct family_data res = { group, -ENOENT };
642
643 msg = nlmsg_alloc();
644 if (!msg)
645 return -ENOMEM;
646 if (!genlmsg_put(msg, 0, 0, global->nlctrl_id,
647 0, 0, CTRL_CMD_GETFAMILY, 0) ||
648 nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) {
649 nlmsg_free(msg);
650 return -1;
651 }
652
653 ret = send_and_recv(global, global->nl, msg, family_handler, &res,
654 NULL, NULL, NULL);
655 if (ret == 0)
656 ret = res.id;
657 return ret;
658 }
659
660
nl80211_cmd(struct wpa_driver_nl80211_data * drv,struct nl_msg * msg,int flags,uint8_t cmd)661 void * nl80211_cmd(struct wpa_driver_nl80211_data *drv,
662 struct nl_msg *msg, int flags, uint8_t cmd)
663 {
664 if (TEST_FAIL())
665 return NULL;
666 return genlmsg_put(msg, 0, 0, drv->global->nl80211_id,
667 0, flags, cmd, 0);
668 }
669
670
nl80211_set_iface_id(struct nl_msg * msg,struct i802_bss * bss)671 static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss)
672 {
673 if (bss->wdev_id_set)
674 return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id);
675 return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex);
676 }
677
678
nl80211_cmd_msg(struct i802_bss * bss,int flags,uint8_t cmd)679 struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd)
680 {
681 struct nl_msg *msg;
682
683 msg = nlmsg_alloc();
684 if (!msg)
685 return NULL;
686
687 if (!nl80211_cmd(bss->drv, msg, flags, cmd) ||
688 nl80211_set_iface_id(msg, bss) < 0) {
689 nlmsg_free(msg);
690 return NULL;
691 }
692
693 return msg;
694 }
695
696
697 static struct nl_msg *
nl80211_ifindex_msg_build(struct wpa_driver_nl80211_data * drv,struct nl_msg * msg,int ifindex,int flags,uint8_t cmd)698 nl80211_ifindex_msg_build(struct wpa_driver_nl80211_data *drv,
699 struct nl_msg *msg, int ifindex, int flags,
700 uint8_t cmd)
701 {
702 if (!msg)
703 return NULL;
704
705 if (!nl80211_cmd(drv, msg, flags, cmd) ||
706 nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) {
707 nlmsg_free(msg);
708 return NULL;
709 }
710
711 return msg;
712 }
713
714
715 static struct nl_msg *
nl80211_ifindex_msg(struct wpa_driver_nl80211_data * drv,int ifindex,int flags,uint8_t cmd)716 nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex,
717 int flags, uint8_t cmd)
718 {
719 return nl80211_ifindex_msg_build(drv, nlmsg_alloc(), ifindex, flags,
720 cmd);
721 }
722
723
nl80211_drv_msg(struct wpa_driver_nl80211_data * drv,int flags,uint8_t cmd)724 struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
725 uint8_t cmd)
726 {
727 return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd);
728 }
729
730
nl80211_bss_msg(struct i802_bss * bss,int flags,uint8_t cmd)731 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd)
732 {
733 return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd);
734 }
735
736
737 struct wiphy_idx_data {
738 int wiphy_idx;
739 enum nl80211_iftype nlmode;
740 u8 *macaddr;
741 u8 use_4addr;
742 };
743
744
netdev_info_handler(struct nl_msg * msg,void * arg)745 static int netdev_info_handler(struct nl_msg *msg, void *arg)
746 {
747 struct nlattr *tb[NL80211_ATTR_MAX + 1];
748 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
749 struct wiphy_idx_data *info = arg;
750
751 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
752 genlmsg_attrlen(gnlh, 0), NULL);
753
754 if (tb[NL80211_ATTR_WIPHY])
755 info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
756
757 if (tb[NL80211_ATTR_IFTYPE])
758 info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]);
759
760 if (tb[NL80211_ATTR_MAC] && info->macaddr)
761 os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
762 ETH_ALEN);
763
764 if (tb[NL80211_ATTR_4ADDR])
765 info->use_4addr = nla_get_u8(tb[NL80211_ATTR_4ADDR]);
766
767 return NL_SKIP;
768 }
769
770
nl80211_get_wiphy_index(struct i802_bss * bss)771 int nl80211_get_wiphy_index(struct i802_bss *bss)
772 {
773 struct nl_msg *msg;
774 struct wiphy_idx_data data = {
775 .wiphy_idx = -1,
776 .macaddr = NULL,
777 };
778
779 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
780 return -1;
781
782 if (send_and_recv_resp(bss->drv, msg, netdev_info_handler, &data) == 0)
783 return data.wiphy_idx;
784 return -1;
785 }
786
787
nl80211_get_ifmode(struct i802_bss * bss)788 static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
789 {
790 struct nl_msg *msg;
791 struct wiphy_idx_data data = {
792 .nlmode = NL80211_IFTYPE_UNSPECIFIED,
793 .macaddr = NULL,
794 };
795
796 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
797 return NL80211_IFTYPE_UNSPECIFIED;
798
799 if (send_and_recv_resp(bss->drv, msg, netdev_info_handler, &data) == 0)
800 return data.nlmode;
801 return NL80211_IFTYPE_UNSPECIFIED;
802 }
803
804
nl80211_get_macaddr(struct i802_bss * bss)805 static int nl80211_get_macaddr(struct i802_bss *bss)
806 {
807 struct nl_msg *msg;
808 struct wiphy_idx_data data = {
809 .macaddr = bss->addr,
810 };
811
812 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
813 return -1;
814
815 return send_and_recv_resp(bss->drv, msg, netdev_info_handler, &data);
816 }
817
818
nl80211_get_4addr(struct i802_bss * bss)819 static int nl80211_get_4addr(struct i802_bss *bss)
820 {
821 struct nl_msg *msg;
822 struct wiphy_idx_data data = {
823 .use_4addr = 0,
824 };
825
826 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)) ||
827 send_and_recv_resp(bss->drv, msg, netdev_info_handler, &data))
828 return -1;
829 return data.use_4addr;
830 }
831
832
nl80211_register_beacons(struct wpa_driver_nl80211_data * drv,struct nl80211_wiphy_data * w)833 static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
834 struct nl80211_wiphy_data *w)
835 {
836 struct nl_msg *msg;
837 int ret;
838
839 msg = nlmsg_alloc();
840 if (!msg)
841 return -1;
842
843 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) ||
844 nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) {
845 nlmsg_free(msg);
846 return -1;
847 }
848
849 ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL,
850 NULL, NULL, NULL);
851 if (ret) {
852 wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
853 "failed: ret=%d (%s)",
854 ret, strerror(-ret));
855 }
856 return ret;
857 }
858
859
nl80211_recv_beacons(int sock,void * eloop_ctx,void * handle)860 static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
861 {
862 struct nl80211_wiphy_data *w = eloop_ctx;
863 int res;
864
865 wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
866
867 res = nl_recvmsgs(handle, w->nl_cb);
868 if (res < 0) {
869 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
870 __func__, res);
871 }
872 }
873
874
process_beacon_event(struct nl_msg * msg,void * arg)875 static int process_beacon_event(struct nl_msg *msg, void *arg)
876 {
877 struct nl80211_wiphy_data *w = arg;
878 struct wpa_driver_nl80211_data *drv;
879 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
880 struct nlattr *tb[NL80211_ATTR_MAX + 1];
881 union wpa_event_data event;
882
883 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
884 genlmsg_attrlen(gnlh, 0), NULL);
885
886 if (gnlh->cmd != NL80211_CMD_FRAME) {
887 wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)",
888 gnlh->cmd);
889 return NL_SKIP;
890 }
891
892 if (!tb[NL80211_ATTR_FRAME])
893 return NL_SKIP;
894
895 dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data,
896 wiphy_list) {
897 os_memset(&event, 0, sizeof(event));
898 event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]);
899 event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]);
900 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
901 }
902
903 return NL_SKIP;
904 }
905
906
907 static struct nl80211_wiphy_data *
nl80211_get_wiphy_data_ap(struct i802_bss * bss)908 nl80211_get_wiphy_data_ap(struct i802_bss *bss)
909 {
910 static DEFINE_DL_LIST(nl80211_wiphys);
911 struct nl80211_wiphy_data *w;
912 int wiphy_idx, found = 0;
913 struct i802_bss *tmp_bss;
914 u8 channel;
915
916 if (bss->wiphy_data != NULL)
917 return bss->wiphy_data;
918
919 wiphy_idx = nl80211_get_wiphy_index(bss);
920
921 dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) {
922 if (w->wiphy_idx == wiphy_idx)
923 goto add;
924 }
925
926 /* alloc new one */
927 w = os_zalloc(sizeof(*w));
928 if (w == NULL)
929 return NULL;
930 w->wiphy_idx = wiphy_idx;
931 dl_list_init(&w->bsss);
932 dl_list_init(&w->drvs);
933
934 /* Beacon frames not supported in IEEE 802.11ad */
935 if (ieee80211_freq_to_chan(bss->flink->freq, &channel) !=
936 HOSTAPD_MODE_IEEE80211AD) {
937 w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
938 if (!w->nl_cb) {
939 os_free(w);
940 return NULL;
941 }
942 nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
943 no_seq_check, NULL);
944 nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
945 process_beacon_event, w);
946
947 w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb,
948 "wiphy beacons");
949 if (w->nl_beacons == NULL) {
950 os_free(w);
951 return NULL;
952 }
953
954 if (nl80211_register_beacons(bss->drv, w)) {
955 nl_destroy_handles(&w->nl_beacons);
956 os_free(w);
957 return NULL;
958 }
959
960 nl80211_register_eloop_read(&w->nl_beacons,
961 nl80211_recv_beacons, w, 0);
962 }
963
964 dl_list_add(&nl80211_wiphys, &w->list);
965
966 add:
967 /* drv entry for this bss already there? */
968 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
969 if (tmp_bss->drv == bss->drv) {
970 found = 1;
971 break;
972 }
973 }
974 /* if not add it */
975 if (!found)
976 dl_list_add(&w->drvs, &bss->drv->wiphy_list);
977
978 dl_list_add(&w->bsss, &bss->wiphy_list);
979 bss->wiphy_data = w;
980 return w;
981 }
982
983
nl80211_put_wiphy_data_ap(struct i802_bss * bss)984 static void nl80211_put_wiphy_data_ap(struct i802_bss *bss)
985 {
986 struct nl80211_wiphy_data *w = bss->wiphy_data;
987 struct i802_bss *tmp_bss;
988 int found = 0;
989
990 if (w == NULL)
991 return;
992 bss->wiphy_data = NULL;
993 dl_list_del(&bss->wiphy_list);
994
995 /* still any for this drv present? */
996 dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) {
997 if (tmp_bss->drv == bss->drv) {
998 found = 1;
999 break;
1000 }
1001 }
1002 /* if not remove it */
1003 if (!found)
1004 dl_list_del(&bss->drv->wiphy_list);
1005
1006 if (!dl_list_empty(&w->bsss))
1007 return;
1008
1009 if (w->nl_beacons)
1010 nl80211_destroy_eloop_handle(&w->nl_beacons, 0);
1011
1012 nl_cb_put(w->nl_cb);
1013 dl_list_del(&w->list);
1014 os_free(w);
1015 }
1016
1017
nl80211_get_ifindex(void * priv)1018 static unsigned int nl80211_get_ifindex(void *priv)
1019 {
1020 struct i802_bss *bss = priv;
1021 struct wpa_driver_nl80211_data *drv = bss->drv;
1022
1023 return drv->ifindex;
1024 }
1025
1026
wpa_driver_nl80211_get_bssid(void * priv,u8 * bssid)1027 static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
1028 {
1029 struct i802_bss *bss = priv;
1030 struct wpa_driver_nl80211_data *drv = bss->drv;
1031 if (!drv->associated)
1032 return -1;
1033 os_memcpy(bssid, drv->bssid, ETH_ALEN);
1034 return 0;
1035 }
1036
1037
wpa_driver_nl80211_get_ssid(void * priv,u8 * ssid)1038 static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
1039 {
1040 struct i802_bss *bss = priv;
1041 struct wpa_driver_nl80211_data *drv = bss->drv;
1042 if (!drv->associated)
1043 return -1;
1044 os_memcpy(ssid, drv->ssid, drv->ssid_len);
1045 return drv->ssid_len;
1046 }
1047
1048
get_mlo_info(struct nl_msg * msg,void * arg)1049 static int get_mlo_info(struct nl_msg *msg, void *arg)
1050 {
1051 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1052 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1053 struct nlattr *link_attr, *link_data[NL80211_ATTR_MAX + 1];
1054 static struct nla_policy link_policy[NL80211_ATTR_MAX + 1] = {
1055 [NL80211_ATTR_MLO_LINK_ID] = { .type = NLA_U8 },
1056 [NL80211_ATTR_MAC] = { .minlen = ETH_ALEN, .maxlen = ETH_ALEN },
1057 };
1058 struct driver_sta_mlo_info *info = arg;
1059 int rem;
1060
1061 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1062 genlmsg_attrlen(gnlh, 0), NULL);
1063
1064 if (!tb[NL80211_ATTR_MLO_LINKS])
1065 return NL_SKIP;
1066
1067 info->valid_links = 0;
1068 nla_for_each_nested(link_attr, tb[NL80211_ATTR_MLO_LINKS], rem) {
1069 u8 link_id;
1070
1071 if (nla_parse_nested(link_data, NL80211_ATTR_MAX,
1072 link_attr, link_policy) != 0)
1073 continue;
1074
1075 if (!link_data[NL80211_ATTR_MLO_LINK_ID] ||
1076 !link_data[NL80211_ATTR_MAC])
1077 continue;
1078
1079 link_id = nla_get_u8(link_data[NL80211_ATTR_MLO_LINK_ID]);
1080 if (link_id >= MAX_NUM_MLD_LINKS)
1081 continue;
1082 info->valid_links |= BIT(link_id);
1083 os_memcpy(info->links[link_id].addr,
1084 nla_data(link_data[NL80211_ATTR_MAC]), ETH_ALEN);
1085 if (link_data[NL80211_ATTR_WIPHY_FREQ])
1086 info->links[link_id].freq =
1087 nla_get_u32(link_data[NL80211_ATTR_WIPHY_FREQ]);
1088 }
1089
1090 return NL_SKIP;
1091 }
1092
1093
nl80211_get_sta_mlo_info(void * priv,struct driver_sta_mlo_info * mlo_info)1094 static int nl80211_get_sta_mlo_info(void *priv,
1095 struct driver_sta_mlo_info *mlo_info)
1096 {
1097 struct i802_bss *bss = priv;
1098 struct wpa_driver_nl80211_data *drv = bss->drv;
1099
1100 if (!drv->associated)
1101 return -1;
1102
1103 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
1104 struct nl_msg *msg;
1105
1106 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
1107 if (send_and_recv_resp(drv, msg, get_mlo_info,
1108 &drv->sta_mlo_info))
1109 return -1;
1110 }
1111
1112 os_memcpy(mlo_info, &drv->sta_mlo_info, sizeof(*mlo_info));
1113 return 0;
1114 }
1115
1116
wpa_driver_nl80211_event_newlink(struct nl80211_global * global,struct wpa_driver_nl80211_data * drv,int ifindex,const char * ifname)1117 static void wpa_driver_nl80211_event_newlink(
1118 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
1119 int ifindex, const char *ifname)
1120 {
1121 union wpa_event_data event;
1122
1123 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
1124 if (if_nametoindex(drv->first_bss->ifname) == 0) {
1125 wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK",
1126 drv->first_bss->ifname);
1127 return;
1128 }
1129 if (!drv->if_removed)
1130 return;
1131 wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event",
1132 drv->first_bss->ifname);
1133 drv->if_removed = 0;
1134 }
1135
1136 os_memset(&event, 0, sizeof(event));
1137 event.interface_status.ifindex = ifindex;
1138 os_strlcpy(event.interface_status.ifname, ifname,
1139 sizeof(event.interface_status.ifname));
1140 event.interface_status.ievent = EVENT_INTERFACE_ADDED;
1141 if (drv)
1142 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1143 else
1144 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
1145 &event);
1146 }
1147
1148
wpa_driver_nl80211_event_dellink(struct nl80211_global * global,struct wpa_driver_nl80211_data * drv,int ifindex,const char * ifname)1149 static void wpa_driver_nl80211_event_dellink(
1150 struct nl80211_global *global, struct wpa_driver_nl80211_data *drv,
1151 int ifindex, const char *ifname)
1152 {
1153 union wpa_event_data event;
1154
1155 if (drv && os_strcmp(drv->first_bss->ifname, ifname) == 0) {
1156 if (drv->if_removed) {
1157 wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s",
1158 ifname);
1159 return;
1160 }
1161 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1",
1162 ifname);
1163 drv->if_removed = 1;
1164 } else {
1165 wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed",
1166 ifname);
1167 }
1168
1169 os_memset(&event, 0, sizeof(event));
1170 event.interface_status.ifindex = ifindex;
1171 os_strlcpy(event.interface_status.ifname, ifname,
1172 sizeof(event.interface_status.ifname));
1173 event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1174 if (drv)
1175 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1176 else
1177 wpa_supplicant_event_global(global->ctx, EVENT_INTERFACE_STATUS,
1178 &event);
1179 }
1180
1181
wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data * drv,u8 * buf,size_t len)1182 static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv,
1183 u8 *buf, size_t len)
1184 {
1185 int attrlen, rta_len;
1186 struct rtattr *attr;
1187
1188 attrlen = len;
1189 attr = (struct rtattr *) buf;
1190
1191 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1192 while (RTA_OK(attr, attrlen)) {
1193 if (attr->rta_type == IFLA_IFNAME) {
1194 if (os_strcmp(((char *) attr) + rta_len,
1195 drv->first_bss->ifname) == 0)
1196 return 1;
1197 else
1198 break;
1199 }
1200 attr = RTA_NEXT(attr, attrlen);
1201 }
1202
1203 return 0;
1204 }
1205
1206
wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data * drv,int ifindex,u8 * buf,size_t len)1207 static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv,
1208 int ifindex, u8 *buf, size_t len)
1209 {
1210 if (drv->ifindex == ifindex)
1211 return 1;
1212
1213 if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
1214 nl80211_check_global(drv->global);
1215 wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
1216 "interface");
1217 if (wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL) < 0)
1218 return -1;
1219 return 1;
1220 }
1221
1222 return 0;
1223 }
1224
1225
1226 static struct wpa_driver_nl80211_data *
nl80211_find_drv(struct nl80211_global * global,int idx,u8 * buf,size_t len,int * init_failed)1227 nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len,
1228 int *init_failed)
1229 {
1230 struct wpa_driver_nl80211_data *drv;
1231 int res;
1232
1233 if (init_failed)
1234 *init_failed = 0;
1235 dl_list_for_each(drv, &global->interfaces,
1236 struct wpa_driver_nl80211_data, list) {
1237 res = wpa_driver_nl80211_own_ifindex(drv, idx, buf, len);
1238 if (res < 0) {
1239 wpa_printf(MSG_DEBUG,
1240 "nl80211: Found matching own interface, but failed to complete reinitialization");
1241 if (init_failed)
1242 *init_failed = 1;
1243 return drv;
1244 }
1245 if (res > 0 || have_ifidx(drv, idx, IFIDX_ANY))
1246 return drv;
1247 }
1248 return NULL;
1249 }
1250
1251
nl80211_refresh_mac(struct wpa_driver_nl80211_data * drv,int ifindex,int notify)1252 static void nl80211_refresh_mac(struct wpa_driver_nl80211_data *drv,
1253 int ifindex, int notify)
1254 {
1255 struct i802_bss *bss;
1256 u8 addr[ETH_ALEN];
1257
1258 bss = get_bss_ifindex(drv, ifindex);
1259 if (bss &&
1260 linux_get_ifhwaddr(drv->global->ioctl_sock,
1261 bss->ifname, addr) < 0) {
1262 wpa_printf(MSG_DEBUG,
1263 "nl80211: %s: failed to re-read MAC address",
1264 bss->ifname);
1265 } else if (bss && !ether_addr_equal(addr, bss->addr)) {
1266 wpa_printf(MSG_DEBUG,
1267 "nl80211: Own MAC address on ifindex %d (%s) changed from "
1268 MACSTR " to " MACSTR,
1269 ifindex, bss->ifname,
1270 MAC2STR(bss->addr), MAC2STR(addr));
1271 os_memcpy(bss->prev_addr, bss->addr, ETH_ALEN);
1272 os_memcpy(bss->addr, addr, ETH_ALEN);
1273 if (notify)
1274 wpa_supplicant_event(drv->ctx,
1275 EVENT_INTERFACE_MAC_CHANGED, NULL);
1276 }
1277 }
1278
1279
wpa_driver_nl80211_event_rtm_newlink(void * ctx,struct ifinfomsg * ifi,u8 * buf,size_t len)1280 static void wpa_driver_nl80211_event_rtm_newlink(void *ctx,
1281 struct ifinfomsg *ifi,
1282 u8 *buf, size_t len)
1283 {
1284 struct nl80211_global *global = ctx;
1285 struct wpa_driver_nl80211_data *drv;
1286 int attrlen;
1287 struct rtattr *attr;
1288 u32 brid = 0;
1289 char namebuf[IFNAMSIZ];
1290 char ifname[IFNAMSIZ + 1];
1291 char extra[100], *pos, *end;
1292 int init_failed;
1293
1294 extra[0] = '\0';
1295 pos = extra;
1296 end = pos + sizeof(extra);
1297 ifname[0] = '\0';
1298
1299 attrlen = len;
1300 attr = (struct rtattr *) buf;
1301 while (RTA_OK(attr, attrlen)) {
1302 switch (attr->rta_type) {
1303 case IFLA_IFNAME:
1304 if (RTA_PAYLOAD(attr) > IFNAMSIZ)
1305 break;
1306 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1307 ifname[RTA_PAYLOAD(attr)] = '\0';
1308 break;
1309 case IFLA_MASTER:
1310 brid = nla_get_u32((struct nlattr *) attr);
1311 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1312 break;
1313 case IFLA_WIRELESS:
1314 pos += os_snprintf(pos, end - pos, " wext");
1315 break;
1316 case IFLA_OPERSTATE:
1317 pos += os_snprintf(pos, end - pos, " operstate=%u",
1318 nla_get_u32((struct nlattr *) attr));
1319 break;
1320 case IFLA_LINKMODE:
1321 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1322 nla_get_u32((struct nlattr *) attr));
1323 break;
1324 }
1325 attr = RTA_NEXT(attr, attrlen);
1326 }
1327 extra[sizeof(extra) - 1] = '\0';
1328
1329 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1330 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1331 ifi->ifi_flags,
1332 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1333 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1334 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1335 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1336
1337 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, &init_failed);
1338 if (!drv)
1339 goto event_newlink;
1340 if (init_failed)
1341 return; /* do not update interface state */
1342
1343 if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
1344 namebuf[0] = '\0';
1345 if (if_indextoname(ifi->ifi_index, namebuf) &&
1346 linux_iface_up(drv->global->ioctl_sock, namebuf) > 0) {
1347 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1348 "event since interface %s is up", namebuf);
1349 drv->ignore_if_down_event = 0;
1350 /* Re-read MAC address as it may have changed */
1351 nl80211_refresh_mac(drv, ifi->ifi_index, 1);
1352 return;
1353 }
1354 wpa_printf(MSG_DEBUG, "nl80211: Interface down (%s/%s)",
1355 namebuf, ifname);
1356 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1357 wpa_printf(MSG_DEBUG,
1358 "nl80211: Not the main interface (%s) - do not indicate interface down",
1359 drv->first_bss->ifname);
1360 } else if (drv->ignore_if_down_event) {
1361 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down "
1362 "event generated by mode change");
1363 drv->ignore_if_down_event = 0;
1364 } else {
1365 drv->if_disabled = 1;
1366 wpa_supplicant_event(drv->ctx,
1367 EVENT_INTERFACE_DISABLED, NULL);
1368
1369 /*
1370 * Try to get drv again, since it may be removed as
1371 * part of the EVENT_INTERFACE_DISABLED handling for
1372 * dynamic interfaces
1373 */
1374 drv = nl80211_find_drv(global, ifi->ifi_index,
1375 buf, len, NULL);
1376 if (!drv)
1377 return;
1378 }
1379 }
1380
1381 if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
1382 namebuf[0] = '\0';
1383 if (if_indextoname(ifi->ifi_index, namebuf) &&
1384 linux_iface_up(drv->global->ioctl_sock, namebuf) == 0) {
1385 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1386 "event since interface %s is down",
1387 namebuf);
1388 return;
1389 }
1390 wpa_printf(MSG_DEBUG, "nl80211: Interface up (%s/%s)",
1391 namebuf, ifname);
1392 if (os_strcmp(drv->first_bss->ifname, ifname) != 0) {
1393 wpa_printf(MSG_DEBUG,
1394 "nl80211: Not the main interface (%s) - do not indicate interface up",
1395 drv->first_bss->ifname);
1396 } else if (if_nametoindex(drv->first_bss->ifname) == 0) {
1397 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1398 "event since interface %s does not exist",
1399 drv->first_bss->ifname);
1400 } else if (drv->if_removed) {
1401 wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up "
1402 "event since interface %s is marked "
1403 "removed", drv->first_bss->ifname);
1404 } else {
1405 /* Re-read MAC address as it may have changed */
1406 nl80211_refresh_mac(drv, ifi->ifi_index, 0);
1407
1408 drv->if_disabled = 0;
1409 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED,
1410 NULL);
1411 }
1412 }
1413
1414 /*
1415 * Some drivers send the association event before the operup event--in
1416 * this case, lifting operstate in wpa_driver_nl80211_set_operstate()
1417 * fails. This will hit us when wpa_supplicant does not need to do
1418 * IEEE 802.1X authentication
1419 */
1420 if (drv->operstate == 1 &&
1421 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
1422 !(ifi->ifi_flags & IFF_RUNNING)) {
1423 wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate");
1424 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
1425 -1, IF_OPER_UP);
1426 }
1427
1428 event_newlink:
1429 if (ifname[0])
1430 wpa_driver_nl80211_event_newlink(global, drv, ifi->ifi_index,
1431 ifname);
1432
1433 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
1434 struct i802_bss *bss;
1435
1436 /* device has been added to bridge */
1437 if (!if_indextoname(brid, namebuf)) {
1438 wpa_printf(MSG_DEBUG,
1439 "nl80211: Could not find bridge ifname for ifindex %u",
1440 brid);
1441 return;
1442 }
1443 wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
1444 brid, namebuf);
1445 add_ifidx(drv, brid, ifi->ifi_index);
1446
1447 for (bss = drv->first_bss; bss; bss = bss->next) {
1448 if (os_strcmp(ifname, bss->ifname) == 0) {
1449 os_strlcpy(bss->brname, namebuf, IFNAMSIZ);
1450 break;
1451 }
1452 }
1453 }
1454 }
1455
1456
wpa_driver_nl80211_event_rtm_dellink(void * ctx,struct ifinfomsg * ifi,u8 * buf,size_t len)1457 static void wpa_driver_nl80211_event_rtm_dellink(void *ctx,
1458 struct ifinfomsg *ifi,
1459 u8 *buf, size_t len)
1460 {
1461 struct nl80211_global *global = ctx;
1462 struct wpa_driver_nl80211_data *drv;
1463 int attrlen;
1464 struct rtattr *attr;
1465 u32 brid = 0;
1466 char ifname[IFNAMSIZ + 1];
1467 char extra[100], *pos, *end;
1468
1469 extra[0] = '\0';
1470 pos = extra;
1471 end = pos + sizeof(extra);
1472 ifname[0] = '\0';
1473
1474 attrlen = len;
1475 attr = (struct rtattr *) buf;
1476 while (RTA_OK(attr, attrlen)) {
1477 switch (attr->rta_type) {
1478 case IFLA_IFNAME:
1479 if (RTA_PAYLOAD(attr) > IFNAMSIZ)
1480 break;
1481 os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr));
1482 ifname[RTA_PAYLOAD(attr)] = '\0';
1483 break;
1484 case IFLA_MASTER:
1485 brid = nla_get_u32((struct nlattr *) attr);
1486 pos += os_snprintf(pos, end - pos, " master=%u", brid);
1487 break;
1488 case IFLA_OPERSTATE:
1489 pos += os_snprintf(pos, end - pos, " operstate=%u",
1490 nla_get_u32((struct nlattr *) attr));
1491 break;
1492 case IFLA_LINKMODE:
1493 pos += os_snprintf(pos, end - pos, " linkmode=%u",
1494 nla_get_u32((struct nlattr *) attr));
1495 break;
1496 }
1497 attr = RTA_NEXT(attr, attrlen);
1498 }
1499 extra[sizeof(extra) - 1] = '\0';
1500
1501 wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)",
1502 ifi->ifi_index, ifname, extra, ifi->ifi_family,
1503 ifi->ifi_flags,
1504 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
1505 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
1506 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
1507 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
1508
1509 drv = nl80211_find_drv(global, ifi->ifi_index, buf, len, NULL);
1510
1511 if (ifi->ifi_family == AF_BRIDGE && brid && drv) {
1512 /* device has been removed from bridge */
1513 char namebuf[IFNAMSIZ];
1514
1515 if (!if_indextoname(brid, namebuf)) {
1516 wpa_printf(MSG_DEBUG,
1517 "nl80211: Could not find bridge ifname for ifindex %u",
1518 brid);
1519 } else {
1520 wpa_printf(MSG_DEBUG,
1521 "nl80211: Remove ifindex %u for bridge %s",
1522 brid, namebuf);
1523 }
1524 del_ifidx(drv, brid, ifi->ifi_index);
1525 }
1526
1527 if (ifi->ifi_family != AF_BRIDGE || !brid)
1528 wpa_driver_nl80211_event_dellink(global, drv, ifi->ifi_index,
1529 ifname);
1530 }
1531
1532
1533 struct nl80211_get_assoc_freq_arg {
1534 struct wpa_driver_nl80211_data *drv;
1535 unsigned int assoc_freq;
1536 unsigned int ibss_freq;
1537 u8 assoc_bssid[ETH_ALEN];
1538 u8 assoc_ssid[SSID_MAX_LEN];
1539 u8 assoc_ssid_len;
1540 u8 bssid[MAX_NUM_MLD_LINKS][ETH_ALEN];
1541 unsigned int freq[MAX_NUM_MLD_LINKS];
1542 };
1543
nl80211_get_assoc_freq_handler(struct nl_msg * msg,void * arg)1544 static int nl80211_get_assoc_freq_handler(struct nl_msg *msg, void *arg)
1545 {
1546 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1547 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1548 struct nlattr *bss[NL80211_BSS_MAX + 1];
1549 static struct nla_policy bss_policy[NL80211_BSS_MAX + 1] = {
1550 [NL80211_BSS_BSSID] = { .type = NLA_UNSPEC },
1551 [NL80211_BSS_FREQUENCY] = { .type = NLA_U32 },
1552 [NL80211_BSS_INFORMATION_ELEMENTS] = { .type = NLA_UNSPEC },
1553 [NL80211_BSS_STATUS] = { .type = NLA_U32 },
1554 [NL80211_BSS_MLO_LINK_ID] = { .type = NLA_U8 },
1555 };
1556 struct nl80211_get_assoc_freq_arg *ctx = arg;
1557 enum nl80211_bss_status status;
1558 struct wpa_driver_nl80211_data *drv = ctx->drv;
1559
1560 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1561 genlmsg_attrlen(gnlh, 0), NULL);
1562 if (!tb[NL80211_ATTR_BSS] ||
1563 nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
1564 bss_policy) ||
1565 !bss[NL80211_BSS_STATUS])
1566 return NL_SKIP;
1567
1568 status = nla_get_u32(bss[NL80211_BSS_STATUS]);
1569 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1570 bss[NL80211_BSS_FREQUENCY]) {
1571 int link_id = -1;
1572 u32 freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1573
1574 if (bss[NL80211_BSS_MLO_LINK_ID])
1575 link_id = nla_get_u8(bss[NL80211_BSS_MLO_LINK_ID]);
1576
1577 if (link_id >= 0 && link_id < MAX_NUM_MLD_LINKS) {
1578 ctx->freq[link_id] = freq;
1579 wpa_printf(MSG_DEBUG,
1580 "nl80211: MLO link %d associated on %u MHz",
1581 link_id, ctx->freq[link_id]);
1582 }
1583
1584 if (!drv->sta_mlo_info.valid_links ||
1585 drv->sta_mlo_info.assoc_link_id == link_id) {
1586 ctx->assoc_freq = freq;
1587 wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
1588 ctx->assoc_freq);
1589 }
1590 }
1591 if (status == NL80211_BSS_STATUS_IBSS_JOINED &&
1592 bss[NL80211_BSS_FREQUENCY]) {
1593 ctx->ibss_freq = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
1594 wpa_printf(MSG_DEBUG, "nl80211: IBSS-joined on %u MHz",
1595 ctx->ibss_freq);
1596 }
1597 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1598 bss[NL80211_BSS_BSSID]) {
1599 int link_id = -1;
1600 const u8 *bssid = nla_data(bss[NL80211_BSS_BSSID]);
1601
1602 if (bss[NL80211_BSS_MLO_LINK_ID])
1603 link_id = nla_get_u8(bss[NL80211_BSS_MLO_LINK_ID]);
1604
1605 if (link_id >= 0 && link_id < MAX_NUM_MLD_LINKS) {
1606 os_memcpy(ctx->bssid[link_id], bssid, ETH_ALEN);
1607 wpa_printf(MSG_DEBUG,
1608 "nl80211: MLO link %d associated with "
1609 MACSTR, link_id, MAC2STR(bssid));
1610 }
1611
1612 if (!drv->sta_mlo_info.valid_links ||
1613 drv->sta_mlo_info.assoc_link_id == link_id) {
1614 os_memcpy(ctx->assoc_bssid, bssid, ETH_ALEN);
1615 wpa_printf(MSG_DEBUG, "nl80211: Associated with "
1616 MACSTR, MAC2STR(bssid));
1617 }
1618
1619 }
1620
1621 if (status == NL80211_BSS_STATUS_ASSOCIATED &&
1622 bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
1623 const u8 *ie, *ssid;
1624 size_t ie_len;
1625
1626 ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1627 ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
1628 ssid = get_ie(ie, ie_len, WLAN_EID_SSID);
1629 if (ssid && ssid[1] > 0 && ssid[1] <= SSID_MAX_LEN) {
1630 ctx->assoc_ssid_len = ssid[1];
1631 os_memcpy(ctx->assoc_ssid, ssid + 2, ssid[1]);
1632 }
1633 }
1634
1635 return NL_SKIP;
1636 }
1637
1638
nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data * drv,u8 * ssid)1639 int nl80211_get_assoc_ssid(struct wpa_driver_nl80211_data *drv, u8 *ssid)
1640 {
1641 struct nl_msg *msg;
1642 int ret;
1643 struct nl80211_get_assoc_freq_arg arg;
1644 int count = 0;
1645
1646 try_again:
1647 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1648 os_memset(&arg, 0, sizeof(arg));
1649 arg.drv = drv;
1650 ret = send_and_recv_resp(drv, msg, nl80211_get_assoc_freq_handler,
1651 &arg);
1652 if (ret == -EAGAIN) {
1653 count++;
1654 if (count >= 10) {
1655 wpa_printf(MSG_INFO,
1656 "nl80211: Failed to receive consistent scan result dump for get_assoc_ssid");
1657 } else {
1658 wpa_printf(MSG_DEBUG,
1659 "nl80211: Failed to receive consistent scan result dump for get_assoc_ssid - try again");
1660 goto try_again;
1661 }
1662 }
1663 if (ret == 0) {
1664 os_memcpy(ssid, arg.assoc_ssid, arg.assoc_ssid_len);
1665 return arg.assoc_ssid_len;
1666 }
1667 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d (%s)",
1668 ret, strerror(-ret));
1669 return ret;
1670 }
1671
1672
nl80211_get_assoc_freq(struct wpa_driver_nl80211_data * drv)1673 unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
1674 {
1675 struct nl_msg *msg;
1676 int ret;
1677 struct nl80211_get_assoc_freq_arg arg;
1678 int count = 0;
1679
1680 try_again:
1681 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
1682 os_memset(&arg, 0, sizeof(arg));
1683 arg.drv = drv;
1684 ret = send_and_recv_resp(drv, msg, nl80211_get_assoc_freq_handler,
1685 &arg);
1686 if (ret == -EAGAIN) {
1687 count++;
1688 if (count >= 10) {
1689 wpa_printf(MSG_INFO,
1690 "nl80211: Failed to receive consistent scan result dump for get_assoc_freq");
1691 } else {
1692 wpa_printf(MSG_DEBUG,
1693 "nl80211: Failed to receive consistent scan result dump for get_assoc_freq - try again");
1694 goto try_again;
1695 }
1696 }
1697 if (ret == 0) {
1698 unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ?
1699 arg.ibss_freq : arg.assoc_freq;
1700 wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
1701 "associated BSS from scan results: %u MHz", freq);
1702 if (freq)
1703 drv->assoc_freq = freq;
1704
1705 if (drv->sta_mlo_info.valid_links) {
1706 int i;
1707
1708 for (i = 0; i < MAX_NUM_MLD_LINKS; i++)
1709 drv->sta_mlo_info.links[i].freq = arg.freq[i];
1710 }
1711
1712 return drv->assoc_freq;
1713 }
1714 wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
1715 "(%s)", ret, strerror(-ret));
1716 return drv->assoc_freq;
1717 }
1718
1719
get_link_noise(struct nl_msg * msg,void * arg)1720 static int get_link_noise(struct nl_msg *msg, void *arg)
1721 {
1722 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1723 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1724 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
1725 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
1726 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
1727 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
1728 };
1729 struct wpa_signal_info *sig_change = arg;
1730
1731 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1732 genlmsg_attrlen(gnlh, 0), NULL);
1733
1734 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
1735 wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
1736 return NL_SKIP;
1737 }
1738
1739 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
1740 tb[NL80211_ATTR_SURVEY_INFO],
1741 survey_policy)) {
1742 wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
1743 "attributes!");
1744 return NL_SKIP;
1745 }
1746
1747 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
1748 return NL_SKIP;
1749
1750 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
1751 sig_change->frequency)
1752 return NL_SKIP;
1753
1754 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
1755 return NL_SKIP;
1756
1757 sig_change->current_noise =
1758 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
1759
1760 return NL_SKIP;
1761 }
1762
1763
nl80211_get_link_noise(struct wpa_driver_nl80211_data * drv,struct wpa_signal_info * sig_change)1764 int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
1765 struct wpa_signal_info *sig_change)
1766 {
1767 struct nl_msg *msg;
1768
1769 sig_change->current_noise = WPA_INVALID_NOISE;
1770 sig_change->frequency = drv->assoc_freq;
1771
1772 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
1773 return send_and_recv_resp(drv, msg, get_link_noise, sig_change);
1774 }
1775
1776
get_channel_info(struct nl_msg * msg,void * arg)1777 static int get_channel_info(struct nl_msg *msg, void *arg)
1778 {
1779 struct nlattr *tb[NL80211_ATTR_MAX + 1] = { 0 };
1780 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1781 struct wpa_channel_info *chan_info = arg;
1782
1783 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1784 genlmsg_attrlen(gnlh, 0), NULL);
1785
1786 os_memset(chan_info, 0, sizeof(struct wpa_channel_info));
1787 chan_info->chanwidth = CHAN_WIDTH_UNKNOWN;
1788
1789 if (tb[NL80211_ATTR_WIPHY_FREQ])
1790 chan_info->frequency =
1791 nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1792 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1793 chan_info->chanwidth = convert2width(
1794 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
1795 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1796 enum nl80211_channel_type ct =
1797 nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1798
1799 switch (ct) {
1800 case NL80211_CHAN_HT40MINUS:
1801 chan_info->sec_channel = -1;
1802 break;
1803 case NL80211_CHAN_HT40PLUS:
1804 chan_info->sec_channel = 1;
1805 break;
1806 default:
1807 chan_info->sec_channel = 0;
1808 break;
1809 }
1810 }
1811 if (tb[NL80211_ATTR_CENTER_FREQ1])
1812 chan_info->center_frq1 =
1813 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1814 if (tb[NL80211_ATTR_CENTER_FREQ2])
1815 chan_info->center_frq2 =
1816 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1817
1818 if (chan_info->center_frq2) {
1819 u8 seg1_idx = 0;
1820
1821 if (ieee80211_freq_to_chan(chan_info->center_frq2, &seg1_idx) !=
1822 NUM_HOSTAPD_MODES)
1823 chan_info->seg1_idx = seg1_idx;
1824 }
1825
1826 return NL_SKIP;
1827 }
1828
1829
nl80211_channel_info(void * priv,struct wpa_channel_info * ci)1830 static int nl80211_channel_info(void *priv, struct wpa_channel_info *ci)
1831 {
1832 struct i802_bss *bss = priv;
1833 struct wpa_driver_nl80211_data *drv = bss->drv;
1834 struct nl_msg *msg;
1835
1836 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
1837 return send_and_recv_resp(drv, msg, get_channel_info, ci);
1838 }
1839
1840
wpa_driver_nl80211_event_receive(int sock,void * eloop_ctx,void * handle)1841 static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
1842 void *handle)
1843 {
1844 struct nl_cb *cb = eloop_ctx;
1845 int res;
1846
1847 wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
1848
1849 res = nl_recvmsgs(handle, cb);
1850 if (res < 0) {
1851 wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
1852 __func__, res);
1853 }
1854 }
1855
1856
1857 /**
1858 * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain
1859 * @priv: driver_nl80211 private data
1860 * @alpha2_arg: country to which to switch to
1861 * Returns: 0 on success, -1 on failure
1862 *
1863 * This asks nl80211 to set the regulatory domain for given
1864 * country ISO / IEC alpha2.
1865 */
wpa_driver_nl80211_set_country(void * priv,const char * alpha2_arg)1866 static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
1867 {
1868 struct i802_bss *bss = priv;
1869 struct wpa_driver_nl80211_data *drv = bss->drv;
1870 char alpha2[3];
1871 struct nl_msg *msg;
1872
1873 msg = nlmsg_alloc();
1874 if (!msg)
1875 return -ENOMEM;
1876
1877 alpha2[0] = alpha2_arg[0];
1878 alpha2[1] = alpha2_arg[1];
1879 alpha2[2] = '\0';
1880
1881 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) ||
1882 nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) {
1883 nlmsg_free(msg);
1884 return -EINVAL;
1885 }
1886 if (send_and_recv_cmd(drv, msg))
1887 return -EINVAL;
1888 return 0;
1889 }
1890
1891
nl80211_get_country(struct nl_msg * msg,void * arg)1892 static int nl80211_get_country(struct nl_msg *msg, void *arg)
1893 {
1894 char *alpha2 = arg;
1895 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1896 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1897
1898 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1899 genlmsg_attrlen(gnlh, 0), NULL);
1900 if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) {
1901 wpa_printf(MSG_DEBUG, "nl80211: No country information available");
1902 return NL_SKIP;
1903 }
1904 os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3);
1905 return NL_SKIP;
1906 }
1907
1908
wpa_driver_nl80211_get_country(void * priv,char * alpha2)1909 static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
1910 {
1911 struct i802_bss *bss = priv;
1912 struct wpa_driver_nl80211_data *drv = bss->drv;
1913 struct nl_msg *msg;
1914 int ret;
1915
1916 msg = nlmsg_alloc();
1917 if (!msg)
1918 return -ENOMEM;
1919
1920 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1921
1922 if (drv->capa.flags & WPA_DRIVER_FLAGS_SELF_MANAGED_REGULATORY) {
1923 /* put wiphy idx to get the interface specific country code
1924 * instead of the global one. */
1925 if (nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx)) {
1926 nlmsg_free(msg);
1927 return -1;
1928 }
1929 }
1930
1931 alpha2[0] = '\0';
1932 ret = send_and_recv_resp(drv, msg, nl80211_get_country, alpha2);
1933 if (!alpha2[0])
1934 ret = -1;
1935
1936 return ret;
1937 }
1938
1939
wpa_driver_nl80211_init_nl_global(struct nl80211_global * global)1940 static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
1941 {
1942 struct nl_cache *cache = NULL;
1943 struct genl_family *family = NULL;
1944 int ret;
1945
1946 global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
1947 if (global->nl_cb == NULL) {
1948 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
1949 "callbacks");
1950 return -1;
1951 }
1952
1953 global->nl = nl_create_handle(global->nl_cb, "nl");
1954 if (global->nl == NULL)
1955 goto err;
1956
1957 global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211");
1958 if (global->nl80211_id < 0) {
1959 wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not "
1960 "found");
1961 goto err;
1962 }
1963
1964 global->nlctrl_id = genl_ctrl_resolve(global->nl, "nlctrl");
1965 if (global->nlctrl_id < 0) {
1966 wpa_printf(MSG_ERROR,
1967 "nl80211: 'nlctrl' generic netlink not found");
1968 goto err;
1969 }
1970
1971 global->nl_event = nl_create_handle(global->nl_cb, "event");
1972 if (global->nl_event == NULL)
1973 goto err;
1974
1975 ret = nl_get_multicast_id(global, "nl80211", "scan");
1976 if (ret >= 0)
1977 ret = nl_socket_add_membership(global->nl_event, ret);
1978 if (ret < 0) {
1979 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1980 "membership for scan events: %d (%s)",
1981 ret, nl_geterror(ret));
1982 goto err;
1983 }
1984
1985 ret = nl_get_multicast_id(global, "nl80211", "mlme");
1986 if (ret >= 0)
1987 ret = nl_socket_add_membership(global->nl_event, ret);
1988 if (ret < 0) {
1989 wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
1990 "membership for mlme events: %d (%s)",
1991 ret, nl_geterror(ret));
1992 goto err;
1993 }
1994
1995 ret = nl_get_multicast_id(global, "nl80211", "regulatory");
1996 if (ret >= 0)
1997 ret = nl_socket_add_membership(global->nl_event, ret);
1998 if (ret < 0) {
1999 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
2000 "membership for regulatory events: %d (%s)",
2001 ret, nl_geterror(ret));
2002 /* Continue without regulatory events */
2003 }
2004
2005 ret = nl_get_multicast_id(global, "nl80211", "vendor");
2006 if (ret >= 0)
2007 ret = nl_socket_add_membership(global->nl_event, ret);
2008 if (ret < 0) {
2009 wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
2010 "membership for vendor events: %d (%s)",
2011 ret, nl_geterror(ret));
2012 /* Continue without vendor events */
2013 }
2014
2015 /* Resolve maxattr for kernel support checks */
2016 ret = genl_ctrl_alloc_cache(global->nl, &cache);
2017 if (ret < 0) {
2018 wpa_printf(MSG_DEBUG,
2019 "nl80211: Could not allocate genl cache: %d (%s)",
2020 ret, nl_geterror(ret));
2021 goto err;
2022 }
2023
2024 family = genl_ctrl_search(cache, global->nl80211_id);
2025 if (!family) {
2026 wpa_printf(MSG_DEBUG,
2027 "nl80211: Could not get nl80211 family from cache: %d (%s)",
2028 ret, nl_geterror(ret));
2029 goto err;
2030 }
2031
2032 global->nl80211_maxattr = genl_family_get_maxattr(family);
2033 wpa_printf(MSG_DEBUG, "nl80211: Maximum supported attribute ID: %u",
2034 global->nl80211_maxattr);
2035 genl_family_put(family);
2036 nl_cache_free(cache);
2037
2038 nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
2039 no_seq_check, NULL);
2040 nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
2041 process_global_event, global);
2042
2043 nl80211_register_eloop_read(&global->nl_event,
2044 wpa_driver_nl80211_event_receive,
2045 global->nl_cb, 0);
2046
2047 return 0;
2048
2049 err:
2050 genl_family_put(family);
2051 nl_cache_free(cache);
2052 nl_destroy_handles(&global->nl_event);
2053 nl_destroy_handles(&global->nl);
2054 nl_cb_put(global->nl_cb);
2055 global->nl_cb = NULL;
2056 return -1;
2057 }
2058
2059
nl80211_check_global(struct nl80211_global * global)2060 static void nl80211_check_global(struct nl80211_global *global)
2061 {
2062 struct nl_sock *handle;
2063 const char *groups[] = { "scan", "mlme", "regulatory", "vendor", NULL };
2064 int ret;
2065 unsigned int i;
2066
2067 /*
2068 * Try to re-add memberships to handle case of cfg80211 getting reloaded
2069 * and all registration having been cleared.
2070 */
2071 handle = (void *) (((intptr_t) global->nl_event) ^
2072 ELOOP_SOCKET_INVALID);
2073
2074 for (i = 0; groups[i]; i++) {
2075 ret = nl_get_multicast_id(global, "nl80211", groups[i]);
2076 if (ret >= 0)
2077 ret = nl_socket_add_membership(handle, ret);
2078 if (ret < 0) {
2079 wpa_printf(MSG_INFO,
2080 "nl80211: Could not re-add multicast membership for %s events: %d (%s)",
2081 groups[i], ret, nl_geterror(ret));
2082 }
2083 }
2084 }
2085
2086
wpa_driver_nl80211_rfkill_blocked(void * ctx)2087 static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
2088 {
2089 struct wpa_driver_nl80211_data *drv = ctx;
2090
2091 wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
2092
2093 /*
2094 * rtnetlink ifdown handler will report interfaces other than the P2P
2095 * Device interface as disabled.
2096 */
2097 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2098 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
2099 }
2100
2101
wpa_driver_nl80211_rfkill_unblocked(void * ctx)2102 static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
2103 {
2104 struct wpa_driver_nl80211_data *drv = ctx;
2105 wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
2106 if (i802_set_iface_flags(drv->first_bss, 1)) {
2107 wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
2108 "after rfkill unblock");
2109 return;
2110 }
2111
2112 if (is_p2p_net_interface(drv->nlmode))
2113 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
2114
2115 /*
2116 * rtnetlink ifup handler will report interfaces other than the P2P
2117 * Device interface as enabled.
2118 */
2119 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
2120 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
2121 }
2122
2123
wpa_driver_nl80211_handle_eapol_tx_status(int sock,void * eloop_ctx,void * handle)2124 static void wpa_driver_nl80211_handle_eapol_tx_status(int sock,
2125 void *eloop_ctx,
2126 void *handle)
2127 {
2128 struct wpa_driver_nl80211_data *drv = eloop_ctx;
2129 u8 data[2048];
2130 struct msghdr msg;
2131 struct iovec entry;
2132 u8 control[512];
2133 struct cmsghdr *cmsg;
2134 int res, found_ee = 0, found_wifi = 0, acked = 0;
2135 union wpa_event_data event;
2136
2137 memset(&msg, 0, sizeof(msg));
2138 msg.msg_iov = &entry;
2139 msg.msg_iovlen = 1;
2140 entry.iov_base = data;
2141 entry.iov_len = sizeof(data);
2142 msg.msg_control = &control;
2143 msg.msg_controllen = sizeof(control);
2144
2145 res = recvmsg(sock, &msg, MSG_ERRQUEUE);
2146 /* if error or not fitting 802.3 header, return */
2147 if (res < 14)
2148 return;
2149
2150 for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
2151 {
2152 if (cmsg->cmsg_level == SOL_SOCKET &&
2153 cmsg->cmsg_type == SCM_WIFI_STATUS) {
2154 int *ack;
2155
2156 found_wifi = 1;
2157 ack = (void *)CMSG_DATA(cmsg);
2158 acked = *ack;
2159 }
2160
2161 if (cmsg->cmsg_level == SOL_PACKET &&
2162 cmsg->cmsg_type == PACKET_TX_TIMESTAMP) {
2163 struct sock_extended_err *err =
2164 (struct sock_extended_err *)CMSG_DATA(cmsg);
2165
2166 if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS)
2167 found_ee = 1;
2168 }
2169 }
2170
2171 if (!found_ee || !found_wifi)
2172 return;
2173
2174 memset(&event, 0, sizeof(event));
2175 event.eapol_tx_status.dst = data;
2176 event.eapol_tx_status.data = data + 14;
2177 event.eapol_tx_status.data_len = res - 14;
2178 event.eapol_tx_status.ack = acked;
2179 wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
2180 }
2181
2182
nl80211_init_connect_handle(struct i802_bss * bss)2183 static int nl80211_init_connect_handle(struct i802_bss *bss)
2184 {
2185 if (bss->nl_connect) {
2186 wpa_printf(MSG_DEBUG,
2187 "nl80211: Connect handle already created (nl_connect=%p)",
2188 bss->nl_connect);
2189 return -1;
2190 }
2191
2192 bss->nl_connect = nl_create_handle(bss->nl_cb, "connect");
2193 if (!bss->nl_connect)
2194 return -1;
2195 nl80211_register_eloop_read(&bss->nl_connect,
2196 wpa_driver_nl80211_event_receive,
2197 bss->nl_cb, 1);
2198 return 0;
2199 }
2200
2201
nl80211_init_bss(struct i802_bss * bss)2202 static int nl80211_init_bss(struct i802_bss *bss)
2203 {
2204 bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
2205 if (!bss->nl_cb)
2206 return -1;
2207
2208 nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
2209 no_seq_check, NULL);
2210 nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
2211 process_bss_event, bss);
2212
2213 nl80211_init_connect_handle(bss);
2214
2215 return 0;
2216 }
2217
2218
nl80211_destroy_bss(struct i802_bss * bss)2219 static void nl80211_destroy_bss(struct i802_bss *bss)
2220 {
2221 nl_cb_put(bss->nl_cb);
2222 bss->nl_cb = NULL;
2223
2224 if (bss->nl_connect)
2225 nl80211_destroy_eloop_handle(&bss->nl_connect, 1);
2226 }
2227
2228
2229 static void
wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data * drv)2230 wpa_driver_nl80211_drv_init_rfkill(struct wpa_driver_nl80211_data *drv)
2231 {
2232 struct rfkill_config *rcfg;
2233
2234 if (drv->rfkill)
2235 return;
2236
2237 rcfg = os_zalloc(sizeof(*rcfg));
2238 if (!rcfg)
2239 return;
2240
2241 rcfg->ctx = drv;
2242
2243 /* rfkill uses netdev sysfs for initialization. However, P2P Device is
2244 * not associated with a netdev, so use the name of some other interface
2245 * sharing the same wiphy as the P2P Device interface.
2246 *
2247 * Note: This is valid, as a P2P Device interface is always dynamically
2248 * created and is created only once another wpa_s interface was added.
2249 */
2250 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) {
2251 struct nl80211_global *global = drv->global;
2252 struct wpa_driver_nl80211_data *tmp1;
2253
2254 dl_list_for_each(tmp1, &global->interfaces,
2255 struct wpa_driver_nl80211_data, list) {
2256 if (drv == tmp1 || drv->wiphy_idx != tmp1->wiphy_idx ||
2257 !tmp1->rfkill)
2258 continue;
2259
2260 wpa_printf(MSG_DEBUG,
2261 "nl80211: Use (%s) to initialize P2P Device rfkill",
2262 tmp1->first_bss->ifname);
2263 os_strlcpy(rcfg->ifname, tmp1->first_bss->ifname,
2264 sizeof(rcfg->ifname));
2265 break;
2266 }
2267 } else {
2268 os_strlcpy(rcfg->ifname, drv->first_bss->ifname,
2269 sizeof(rcfg->ifname));
2270 }
2271
2272 rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
2273 rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
2274 drv->rfkill = rfkill_init(rcfg);
2275 if (!drv->rfkill) {
2276 wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
2277 os_free(rcfg);
2278 }
2279 }
2280
2281
wpa_driver_nl80211_drv_init(void * ctx,const char * ifname,void * global_priv,int hostapd,const u8 * set_addr,const char * driver_params)2282 static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname,
2283 void *global_priv, int hostapd,
2284 const u8 *set_addr,
2285 const char *driver_params)
2286 {
2287 struct wpa_driver_nl80211_data *drv;
2288 struct i802_bss *bss;
2289 char path[128], buf[200], *pos;
2290 ssize_t len;
2291 int ret;
2292
2293 ret = os_snprintf(path, sizeof(path), "/sys/class/net/%s/device/driver",
2294 ifname);
2295 if (!os_snprintf_error(sizeof(path), ret)) {
2296 len = readlink(path, buf, sizeof(buf));
2297 if (len > 0 && (size_t) len < sizeof(buf)) {
2298 buf[len] = '\0';
2299 pos = strrchr(buf, '/');
2300 if (pos)
2301 pos++;
2302 else
2303 pos = buf;
2304 wpa_printf(MSG_DEBUG,
2305 "nl80211: Initialize interface %s (driver: %s)",
2306 ifname, pos);
2307 }
2308 }
2309
2310 if (global_priv == NULL)
2311 return NULL;
2312 drv = os_zalloc(sizeof(*drv));
2313 if (drv == NULL)
2314 return NULL;
2315 drv->global = global_priv;
2316 drv->ctx = ctx;
2317 drv->hostapd = !!hostapd;
2318 drv->eapol_sock = -1;
2319
2320 /*
2321 * There is no driver capability flag for this, so assume it is
2322 * supported and disable this on first attempt to use if the driver
2323 * rejects the command due to missing support.
2324 */
2325 drv->set_rekey_offload = 1;
2326
2327 drv->num_if_indices = ARRAY_SIZE(drv->default_if_indices);
2328 drv->if_indices = drv->default_if_indices;
2329
2330 drv->first_bss = os_zalloc(sizeof(*drv->first_bss));
2331 if (!drv->first_bss) {
2332 os_free(drv);
2333 return NULL;
2334 }
2335 bss = drv->first_bss;
2336 bss->drv = drv;
2337 bss->ctx = ctx;
2338
2339 os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
2340 drv->monitor_ifidx = -1;
2341 drv->monitor_sock = -1;
2342 drv->eapol_tx_sock = -1;
2343 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
2344
2345 if (nl80211_init_bss(bss))
2346 goto failed;
2347
2348 if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params))
2349 goto failed;
2350
2351 if (drv->capa.flags2 & WPA_DRIVER_FLAGS2_CONTROL_PORT_TX_STATUS) {
2352 drv->control_port_ap = 1;
2353 goto skip_wifi_status;
2354 }
2355
2356 drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
2357 if (drv->eapol_tx_sock < 0)
2358 goto failed;
2359
2360 if (drv->data_tx_status) {
2361 int enabled = 1;
2362
2363 if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS,
2364 &enabled, sizeof(enabled)) < 0) {
2365 wpa_printf(MSG_DEBUG,
2366 "nl80211: wifi status sockopt failed: %s",
2367 strerror(errno));
2368 drv->data_tx_status = 0;
2369 if (!drv->use_monitor)
2370 drv->capa.flags &=
2371 ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
2372 } else {
2373 eloop_register_read_sock(
2374 drv->eapol_tx_sock,
2375 wpa_driver_nl80211_handle_eapol_tx_status,
2376 drv, NULL);
2377 }
2378 }
2379 skip_wifi_status:
2380
2381 if (drv->global) {
2382 nl80211_check_global(drv->global);
2383 dl_list_add(&drv->global->interfaces, &drv->list);
2384 drv->in_interface_list = 1;
2385 }
2386
2387 /*
2388 * Use link ID 0 for the single "link" of a non-MLD.
2389 */
2390 bss->valid_links = 0;
2391 bss->flink = &bss->links[0];
2392 os_memcpy(bss->flink->addr, bss->addr, ETH_ALEN);
2393
2394 return bss;
2395
2396 failed:
2397 wpa_driver_nl80211_deinit(bss);
2398 return NULL;
2399 }
2400
2401
2402 /**
2403 * wpa_driver_nl80211_init - Initialize nl80211 driver interface
2404 * @ctx: context to be used when calling wpa_supplicant functions,
2405 * e.g., wpa_supplicant_event()
2406 * @ifname: interface name, e.g., wlan0
2407 * @global_priv: private driver global data from global_init()
2408 * Returns: Pointer to private data, %NULL on failure
2409 */
wpa_driver_nl80211_init(void * ctx,const char * ifname,void * global_priv)2410 static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
2411 void *global_priv)
2412 {
2413 return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL,
2414 NULL);
2415 }
2416
2417
nl80211_register_frame(struct i802_bss * bss,struct nl_sock * nl_handle,u16 type,const u8 * match,size_t match_len,bool multicast)2418 static int nl80211_register_frame(struct i802_bss *bss,
2419 struct nl_sock *nl_handle,
2420 u16 type, const u8 *match, size_t match_len,
2421 bool multicast)
2422 {
2423 struct wpa_driver_nl80211_data *drv = bss->drv;
2424 struct nl_msg *msg;
2425 int ret;
2426 char buf[30];
2427
2428 buf[0] = '\0';
2429 wpa_snprintf_hex(buf, sizeof(buf), match, match_len);
2430 wpa_printf(MSG_DEBUG,
2431 "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s multicast=%d",
2432 type, fc2str(type), nl_handle, buf, multicast);
2433
2434 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_FRAME)) ||
2435 (multicast && nla_put_flag(msg, NL80211_ATTR_RECEIVE_MULTICAST)) ||
2436 nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) ||
2437 nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) {
2438 nlmsg_free(msg);
2439 return -1;
2440 }
2441
2442 ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL,
2443 NULL, NULL, NULL);
2444 if (ret) {
2445 wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
2446 "failed (type=%u): ret=%d (%s)",
2447 type, ret, strerror(-ret));
2448 wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
2449 match, match_len);
2450 }
2451 return ret;
2452 }
2453
2454
nl80211_alloc_mgmt_handle(struct i802_bss * bss)2455 static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
2456 {
2457 if (bss->nl_mgmt) {
2458 wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
2459 "already on! (nl_mgmt=%p)", bss->nl_mgmt);
2460 return -1;
2461 }
2462
2463 bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
2464 if (bss->nl_mgmt == NULL)
2465 return -1;
2466
2467 return 0;
2468 }
2469
2470
nl80211_mgmt_handle_register_eloop(struct i802_bss * bss)2471 static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss)
2472 {
2473 nl80211_register_eloop_read(&bss->nl_mgmt,
2474 wpa_driver_nl80211_event_receive,
2475 bss->nl_cb, 0);
2476 }
2477
2478
nl80211_register_action_frame2(struct i802_bss * bss,const u8 * match,size_t match_len,bool multicast)2479 static int nl80211_register_action_frame2(struct i802_bss *bss,
2480 const u8 *match, size_t match_len,
2481 bool multicast)
2482 {
2483 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
2484 return nl80211_register_frame(bss, bss->nl_mgmt,
2485 type, match, match_len, multicast);
2486 }
2487
2488
nl80211_register_action_frame(struct i802_bss * bss,const u8 * match,size_t match_len)2489 static int nl80211_register_action_frame(struct i802_bss *bss,
2490 const u8 *match, size_t match_len)
2491 {
2492 return nl80211_register_action_frame2(bss, match, match_len, false);
2493 }
2494
2495
nl80211_mgmt_subscribe_non_ap(struct i802_bss * bss)2496 static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss)
2497 {
2498 struct wpa_driver_nl80211_data *drv = bss->drv;
2499 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2500 int ret = 0;
2501
2502 if (nl80211_alloc_mgmt_handle(bss))
2503 return -1;
2504 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP "
2505 "handle %p", bss->nl_mgmt);
2506
2507 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
2508 /* register for any AUTH message */
2509 nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0, false);
2510 } else if ((drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
2511 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
2512 /* register for SAE Authentication frames */
2513 nl80211_register_frame(bss, bss->nl_mgmt, type,
2514 (u8 *) "\x03\x00", 2, false);
2515 }
2516
2517 #ifdef CONFIG_PASN
2518 /* register for PASN Authentication frames */
2519 if (nl80211_register_frame(bss, bss->nl_mgmt, type,
2520 (u8 *) "\x07\x00", 2, false))
2521 ret = -1;
2522 #endif /* CONFIG_PASN */
2523
2524 #ifdef CONFIG_INTERWORKING
2525 /* QoS Map Configure */
2526 if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0)
2527 ret = -1;
2528 #endif /* CONFIG_INTERWORKING */
2529 #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP)
2530 /* GAS Initial Request */
2531 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0)
2532 ret = -1;
2533 /* GAS Initial Response */
2534 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0)
2535 ret = -1;
2536 /* GAS Comeback Request */
2537 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0)
2538 ret = -1;
2539 /* GAS Comeback Response */
2540 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0)
2541 ret = -1;
2542 /* Protected GAS Initial Request */
2543 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0)
2544 ret = -1;
2545 /* Protected GAS Initial Response */
2546 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0)
2547 ret = -1;
2548 /* Protected GAS Comeback Request */
2549 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0)
2550 ret = -1;
2551 /* Protected GAS Comeback Response */
2552 if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0)
2553 ret = -1;
2554 #endif /* CONFIG_P2P || CONFIG_INTERWORKING || CONFIG_DPP */
2555 #ifdef CONFIG_P2P
2556 /* P2P Public Action */
2557 if (nl80211_register_action_frame(bss,
2558 (u8 *) "\x04\x09\x50\x6f\x9a\x09",
2559 6) < 0)
2560 ret = -1;
2561 /* P2P Action */
2562 if (nl80211_register_action_frame(bss,
2563 (u8 *) "\x7f\x50\x6f\x9a\x09",
2564 5) < 0)
2565 ret = -1;
2566 #endif /* CONFIG_P2P */
2567 #ifdef CONFIG_NAN_USD
2568 #define NAN_PUB_ACTION ((u8 *) "\x04\x09\x50\x6f\x9a\x13")
2569 /* NAN SDF Public Action */
2570 if (nl80211_register_action_frame2(bss, NAN_PUB_ACTION, 6, true) < 0) {
2571 /* fallback to non-multicast */
2572 if (nl80211_register_action_frame2(bss, NAN_PUB_ACTION, 6,
2573 false) < 0)
2574 ret = -1;
2575 }
2576 #undef NAN_PUB_ACTION
2577 #endif /* CONFIG_NAN_USD */
2578 #ifdef CONFIG_DPP
2579 /* DPP Public Action */
2580 if (nl80211_register_action_frame(bss,
2581 (u8 *) "\x04\x09\x50\x6f\x9a\x1a",
2582 6) < 0)
2583 ret = -1;
2584 #endif /* CONFIG_DPP */
2585 #ifdef CONFIG_OCV
2586 /* SA Query Request */
2587 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x00", 2) < 0)
2588 ret = -1;
2589 #endif /* CONFIG_OCV */
2590 /* SA Query Response */
2591 if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0)
2592 ret = -1;
2593 #ifdef CONFIG_TDLS
2594 if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) {
2595 /* TDLS Discovery Response */
2596 if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) <
2597 0)
2598 ret = -1;
2599 }
2600 #endif /* CONFIG_TDLS */
2601 #ifdef CONFIG_FST
2602 /* FST Action frames */
2603 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2604 ret = -1;
2605 #endif /* CONFIG_FST */
2606
2607 /* FT Action frames */
2608 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2609 ret = -1;
2610 else if (!drv->has_driver_key_mgmt) {
2611 int i;
2612
2613 /* Update supported AKMs only if the driver doesn't advertize
2614 * any AKM capabilities. */
2615 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT |
2616 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2617
2618 /* Update per interface supported AKMs */
2619 for (i = 0; i < WPA_IF_MAX; i++)
2620 drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
2621 }
2622
2623 /* WNM - BSS Transition Management Request */
2624 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0)
2625 ret = -1;
2626 /* WNM-Sleep Mode Response */
2627 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0)
2628 ret = -1;
2629 #ifdef CONFIG_WNM
2630 /* WNM - Collocated Interference Request */
2631 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x0b", 2) < 0)
2632 ret = -1;
2633 #endif /* CONFIG_WNM */
2634
2635 #ifdef CONFIG_HS20
2636 /* WNM-Notification */
2637 if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0)
2638 ret = -1;
2639 #endif /* CONFIG_HS20 */
2640
2641 /* WMM-AC ADDTS Response */
2642 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
2643 ret = -1;
2644
2645 /* WMM-AC DELTS */
2646 if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
2647 ret = -1;
2648
2649 /* Radio Measurement - Neighbor Report Response */
2650 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
2651 ret = -1;
2652
2653 /* Radio Measurement - Radio Measurement Request */
2654 if (!drv->no_rrm &&
2655 nl80211_register_action_frame(bss, (u8 *) "\x05\x00", 2) < 0)
2656 ret = -1;
2657
2658 /* Radio Measurement - Link Measurement Request */
2659 if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) &&
2660 (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0))
2661 ret = -1;
2662
2663 /* Robust AV SCS Response */
2664 if (nl80211_register_action_frame(bss, (u8 *) "\x13\x01", 2) < 0)
2665 ret = -1;
2666
2667 /* Robust AV MSCS Response */
2668 if (nl80211_register_action_frame(bss, (u8 *) "\x13\x05", 2) < 0)
2669 ret = -1;
2670
2671 /* Protected QoS Management Action frame */
2672 if (nl80211_register_action_frame(bss, (u8 *) "\x7e\x50\x6f\x9a\x1a",
2673 5) < 0)
2674 ret = -1;
2675
2676 nl80211_mgmt_handle_register_eloop(bss);
2677
2678 return ret;
2679 }
2680
2681
nl80211_mgmt_subscribe_mesh(struct i802_bss * bss)2682 static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss)
2683 {
2684 int ret = 0;
2685
2686 if (nl80211_alloc_mgmt_handle(bss))
2687 return -1;
2688
2689 wpa_printf(MSG_DEBUG,
2690 "nl80211: Subscribe to mgmt frames with mesh handle %p",
2691 bss->nl_mgmt);
2692
2693 /* Auth frames for mesh SAE */
2694 if (nl80211_register_frame(bss, bss->nl_mgmt,
2695 (WLAN_FC_TYPE_MGMT << 2) |
2696 (WLAN_FC_STYPE_AUTH << 4),
2697 NULL, 0, false) < 0)
2698 ret = -1;
2699
2700 /* Mesh peering open */
2701 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0)
2702 ret = -1;
2703 /* Mesh peering confirm */
2704 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0)
2705 ret = -1;
2706 /* Mesh peering close */
2707 if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0)
2708 ret = -1;
2709
2710 nl80211_mgmt_handle_register_eloop(bss);
2711
2712 return ret;
2713 }
2714
2715
nl80211_register_spurious_class3(struct i802_bss * bss)2716 static int nl80211_register_spurious_class3(struct i802_bss *bss)
2717 {
2718 struct nl_msg *msg;
2719 int ret;
2720
2721 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
2722 ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL,
2723 NULL, NULL, NULL);
2724 if (ret) {
2725 wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
2726 "failed: ret=%d (%s)",
2727 ret, strerror(-ret));
2728 }
2729 return ret;
2730 }
2731
2732
nl80211_action_subscribe_ap(struct i802_bss * bss)2733 static int nl80211_action_subscribe_ap(struct i802_bss *bss)
2734 {
2735 int ret = 0;
2736
2737 /* Public Action frames */
2738 if (nl80211_register_action_frame(bss, (u8 *) "\x04", 1) < 0)
2739 ret = -1;
2740 /* RRM Measurement Report */
2741 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x01", 2) < 0)
2742 ret = -1;
2743 /* RRM Link Measurement Report */
2744 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x03", 2) < 0)
2745 ret = -1;
2746 /* RRM Neighbor Report Request */
2747 if (nl80211_register_action_frame(bss, (u8 *) "\x05\x04", 2) < 0)
2748 ret = -1;
2749 /* FT Action frames */
2750 if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0)
2751 ret = -1;
2752 /* SA Query */
2753 if (nl80211_register_action_frame(bss, (u8 *) "\x08", 1) < 0)
2754 ret = -1;
2755 /* Protected Dual of Public Action */
2756 if (nl80211_register_action_frame(bss, (u8 *) "\x09", 1) < 0)
2757 ret = -1;
2758 /* WNM */
2759 if (nl80211_register_action_frame(bss, (u8 *) "\x0a", 1) < 0)
2760 ret = -1;
2761 /* WMM */
2762 if (nl80211_register_action_frame(bss, (u8 *) "\x11", 1) < 0)
2763 ret = -1;
2764 #ifdef CONFIG_FST
2765 /* FST Action frames */
2766 if (nl80211_register_action_frame(bss, (u8 *) "\x12", 1) < 0)
2767 ret = -1;
2768 #endif /* CONFIG_FST */
2769 /* Vendor-specific */
2770 if (nl80211_register_action_frame(bss, (u8 *) "\x7f", 1) < 0)
2771 ret = -1;
2772
2773 return ret;
2774 }
2775
2776
nl80211_mgmt_subscribe_ap(struct i802_bss * bss)2777 static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss)
2778 {
2779 static const int stypes[] = {
2780 WLAN_FC_STYPE_AUTH,
2781 WLAN_FC_STYPE_ASSOC_REQ,
2782 WLAN_FC_STYPE_REASSOC_REQ,
2783 WLAN_FC_STYPE_DISASSOC,
2784 WLAN_FC_STYPE_DEAUTH,
2785 WLAN_FC_STYPE_PROBE_REQ,
2786 /* Beacon doesn't work as mac80211 doesn't currently allow
2787 * it, but it wouldn't really be the right thing anyway as
2788 * it isn't per interface ... maybe just dump the scan
2789 * results periodically for OLBC?
2790 */
2791 /* WLAN_FC_STYPE_BEACON, */
2792 };
2793 unsigned int i;
2794
2795 if (nl80211_alloc_mgmt_handle(bss))
2796 return -1;
2797 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2798 "handle %p", bss->nl_mgmt);
2799
2800 for (i = 0; i < ARRAY_SIZE(stypes); i++) {
2801 if (nl80211_register_frame(bss, bss->nl_mgmt,
2802 (WLAN_FC_TYPE_MGMT << 2) |
2803 (stypes[i] << 4),
2804 NULL, 0, false) < 0) {
2805 goto out_err;
2806 }
2807 }
2808
2809 if (nl80211_action_subscribe_ap(bss))
2810 goto out_err;
2811
2812 if (nl80211_register_spurious_class3(bss))
2813 goto out_err;
2814
2815 nl80211_mgmt_handle_register_eloop(bss);
2816 return 0;
2817
2818 out_err:
2819 nl_destroy_handles(&bss->nl_mgmt);
2820 return -1;
2821 }
2822
2823
nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss * bss)2824 static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss)
2825 {
2826 if (nl80211_alloc_mgmt_handle(bss))
2827 return -1;
2828 wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP "
2829 "handle %p (device SME)", bss->nl_mgmt);
2830
2831 if (nl80211_action_subscribe_ap(bss))
2832 goto out_err;
2833
2834 if (bss->drv->device_ap_sme) {
2835 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4);
2836
2837 /* Register for all Authentication frames */
2838 if (nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0,
2839 false) < 0)
2840 wpa_printf(MSG_DEBUG,
2841 "nl80211: Failed to subscribe to handle Authentication frames - SAE offload may not work");
2842 }
2843
2844 nl80211_mgmt_handle_register_eloop(bss);
2845 return 0;
2846
2847 out_err:
2848 nl_destroy_handles(&bss->nl_mgmt);
2849 return -1;
2850 }
2851
2852
nl80211_mgmt_unsubscribe(struct i802_bss * bss,const char * reason)2853 static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason)
2854 {
2855 if (bss->nl_mgmt == NULL)
2856 return;
2857 wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p "
2858 "(%s)", bss->nl_mgmt, reason);
2859 nl80211_destroy_eloop_handle(&bss->nl_mgmt, 0);
2860
2861 nl80211_put_wiphy_data_ap(bss);
2862 }
2863
2864
wpa_driver_nl80211_send_rfkill(void * eloop_ctx,void * timeout_ctx)2865 static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
2866 {
2867 wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
2868 }
2869
2870
nl80211_del_p2pdev(struct i802_bss * bss)2871 static void nl80211_del_p2pdev(struct i802_bss *bss)
2872 {
2873 struct nl_msg *msg;
2874 int ret;
2875
2876 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
2877 ret = send_and_recv_cmd(bss->drv, msg);
2878
2879 wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
2880 bss->ifname, (long long unsigned int) bss->wdev_id,
2881 strerror(-ret));
2882 }
2883
2884
nl80211_set_p2pdev(struct i802_bss * bss,int start)2885 static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
2886 {
2887 struct nl_msg *msg;
2888 int ret;
2889
2890 msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
2891 NL80211_CMD_STOP_P2P_DEVICE);
2892 ret = send_and_recv_cmd(bss->drv, msg);
2893
2894 wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
2895 start ? "Start" : "Stop",
2896 bss->ifname, (long long unsigned int) bss->wdev_id,
2897 strerror(-ret));
2898 return ret;
2899 }
2900
2901
i802_set_iface_flags(struct i802_bss * bss,int up)2902 static int i802_set_iface_flags(struct i802_bss *bss, int up)
2903 {
2904 enum nl80211_iftype nlmode;
2905
2906 nlmode = nl80211_get_ifmode(bss);
2907 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
2908 return linux_set_iface_flags(bss->drv->global->ioctl_sock,
2909 bss->ifname, up);
2910 }
2911
2912 /* P2P Device has start/stop which is equivalent */
2913 return nl80211_set_p2pdev(bss, up);
2914 }
2915
2916
2917 #ifdef CONFIG_TESTING_OPTIONS
qca_vendor_test_cmd_handler(struct nl_msg * msg,void * arg)2918 static int qca_vendor_test_cmd_handler(struct nl_msg *msg, void *arg)
2919 {
2920 /* struct wpa_driver_nl80211_data *drv = arg; */
2921 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2922 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2923
2924
2925 wpa_printf(MSG_DEBUG,
2926 "nl80211: QCA vendor test command response received");
2927
2928 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2929 genlmsg_attrlen(gnlh, 0), NULL);
2930 if (!tb[NL80211_ATTR_VENDOR_DATA]) {
2931 wpa_printf(MSG_DEBUG, "nl80211: No vendor data attribute");
2932 return NL_SKIP;
2933 }
2934
2935 wpa_hexdump(MSG_DEBUG,
2936 "nl80211: Received QCA vendor test command response",
2937 nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
2938 nla_len(tb[NL80211_ATTR_VENDOR_DATA]));
2939
2940 return NL_SKIP;
2941 }
2942 #endif /* CONFIG_TESTING_OPTIONS */
2943
2944
qca_vendor_test(struct wpa_driver_nl80211_data * drv)2945 static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
2946 {
2947 #ifdef CONFIG_TESTING_OPTIONS
2948 struct nl_msg *msg;
2949 struct nlattr *params;
2950 int ret;
2951
2952 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
2953 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
2954 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
2955 QCA_NL80211_VENDOR_SUBCMD_TEST) ||
2956 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
2957 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TEST, 123)) {
2958 nlmsg_free(msg);
2959 return;
2960 }
2961 nla_nest_end(msg, params);
2962
2963 ret = send_and_recv_resp(drv, msg, qca_vendor_test_cmd_handler, drv);
2964 wpa_printf(MSG_DEBUG,
2965 "nl80211: QCA vendor test command returned %d (%s)",
2966 ret, strerror(-ret));
2967 #endif /* CONFIG_TESTING_OPTIONS */
2968 }
2969
2970
2971 static int
wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data * drv,const u8 * set_addr,int first,const char * driver_params)2972 wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv,
2973 const u8 *set_addr, int first,
2974 const char *driver_params)
2975 {
2976 struct i802_bss *bss = drv->first_bss;
2977 int send_rfkill_event = 0;
2978 enum nl80211_iftype nlmode;
2979
2980 drv->ifindex = if_nametoindex(bss->ifname);
2981 bss->ifindex = drv->ifindex;
2982 bss->wdev_id = drv->global->if_add_wdevid;
2983 bss->wdev_id_set = drv->global->if_add_wdevid_set;
2984
2985 bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex;
2986 bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set;
2987 drv->global->if_add_wdevid_set = 0;
2988
2989 if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP)
2990 bss->static_ap = 1;
2991
2992 if (first &&
2993 nl80211_get_ifmode(bss) != NL80211_IFTYPE_P2P_DEVICE &&
2994 linux_iface_up(drv->global->ioctl_sock, bss->ifname) > 0)
2995 drv->start_iface_up = 1;
2996
2997 if (wpa_driver_nl80211_capa(drv))
2998 return -1;
2999
3000 if (driver_params && nl80211_set_param(bss, driver_params) < 0)
3001 return -1;
3002
3003 wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
3004 bss->ifname, drv->phyname);
3005
3006 if (set_addr &&
3007 (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) ||
3008 linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
3009 set_addr)))
3010 return -1;
3011
3012 if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_STATION)
3013 drv->start_mode_sta = 1;
3014
3015 if (drv->hostapd || bss->static_ap)
3016 nlmode = NL80211_IFTYPE_AP;
3017 else if (bss->if_dynamic ||
3018 nl80211_get_ifmode(bss) == NL80211_IFTYPE_MESH_POINT)
3019 nlmode = nl80211_get_ifmode(bss);
3020 else
3021 nlmode = NL80211_IFTYPE_STATION;
3022
3023 if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) {
3024 wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode");
3025 return -1;
3026 }
3027
3028 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
3029 nl80211_get_macaddr(bss);
3030
3031 wpa_driver_nl80211_drv_init_rfkill(drv);
3032
3033 if (!rfkill_is_blocked(drv->rfkill)) {
3034 int ret = i802_set_iface_flags(bss, 1);
3035 if (ret) {
3036 wpa_printf(MSG_ERROR, "nl80211: Could not set "
3037 "interface '%s' UP", bss->ifname);
3038 return ret;
3039 }
3040
3041 if (is_p2p_net_interface(nlmode))
3042 nl80211_disable_11b_rates(bss->drv,
3043 bss->drv->ifindex, 1);
3044
3045 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
3046 return ret;
3047 } else {
3048 wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
3049 "interface '%s' due to rfkill", bss->ifname);
3050 if (nlmode != NL80211_IFTYPE_P2P_DEVICE)
3051 drv->if_disabled = 1;
3052
3053 send_rfkill_event = 1;
3054 }
3055
3056 if (!drv->hostapd && nlmode != NL80211_IFTYPE_P2P_DEVICE)
3057 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex,
3058 1, IF_OPER_DORMANT);
3059
3060 if (nlmode != NL80211_IFTYPE_P2P_DEVICE) {
3061 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
3062 bss->addr))
3063 return -1;
3064 os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN);
3065 }
3066
3067 if (send_rfkill_event) {
3068 eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
3069 drv, drv->ctx);
3070 }
3071
3072 if (drv->vendor_cmd_test_avail)
3073 qca_vendor_test(drv);
3074
3075 return 0;
3076 }
3077
3078
wpa_driver_nl80211_del_beacon(struct i802_bss * bss,int link_id)3079 static int wpa_driver_nl80211_del_beacon(struct i802_bss *bss,
3080 int link_id)
3081 {
3082 struct nl_msg *msg;
3083 struct wpa_driver_nl80211_data *drv = bss->drv;
3084 struct i802_link *link = nl80211_get_link(bss, link_id);
3085
3086 if (!link->beacon_set)
3087 return 0;
3088
3089 wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)",
3090 bss->ifindex);
3091 link->beacon_set = 0;
3092 link->freq = 0;
3093
3094 nl80211_put_wiphy_data_ap(bss);
3095 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_BEACON);
3096 if (!msg)
3097 return -ENOBUFS;
3098
3099 if (link_id != NL80211_DRV_LINK_ID_NA) {
3100 wpa_printf(MSG_DEBUG,
3101 "nl80211: MLD: stop beaconing on link=%u",
3102 link_id);
3103
3104 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) {
3105 nlmsg_free(msg);
3106 return -ENOBUFS;
3107 }
3108 }
3109
3110 return send_and_recv_cmd(drv, msg);
3111 }
3112
3113
wpa_driver_nl80211_del_beacon_all(struct i802_bss * bss)3114 static void wpa_driver_nl80211_del_beacon_all(struct i802_bss *bss)
3115 {
3116 int link_id;
3117
3118 for_each_link_default(bss->valid_links, link_id, NL80211_DRV_LINK_ID_NA)
3119 wpa_driver_nl80211_del_beacon(bss, link_id);
3120 }
3121
3122
3123 /**
3124 * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
3125 * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init()
3126 *
3127 * Shut down driver interface and processing of driver events. Free
3128 * private data buffer if one was allocated in wpa_driver_nl80211_init().
3129 */
wpa_driver_nl80211_deinit(struct i802_bss * bss)3130 static void wpa_driver_nl80211_deinit(struct i802_bss *bss)
3131 {
3132 struct wpa_driver_nl80211_data *drv = bss->drv;
3133 unsigned int i;
3134
3135 wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
3136 bss->ifname, drv->disabled_11b_rates);
3137
3138 bss->in_deinit = 1;
3139 if (drv->data_tx_status)
3140 eloop_unregister_read_sock(drv->eapol_tx_sock);
3141 if (drv->eapol_tx_sock >= 0)
3142 close(drv->eapol_tx_sock);
3143
3144 if (bss->nl_preq)
3145 wpa_driver_nl80211_probe_req_report(bss, 0);
3146 if (bss->added_if_into_bridge) {
3147 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
3148 bss->ifname) < 0)
3149 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
3150 "interface %s from bridge %s: %s",
3151 bss->ifname, bss->brname, strerror(errno));
3152 }
3153
3154 if (drv->rtnl_sk)
3155 nl_socket_free(drv->rtnl_sk);
3156
3157 if (bss->added_bridge) {
3158 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
3159 0) < 0)
3160 wpa_printf(MSG_INFO,
3161 "nl80211: Could not set bridge %s down",
3162 bss->brname);
3163 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
3164 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
3165 "bridge %s: %s",
3166 bss->brname, strerror(errno));
3167 }
3168
3169 nl80211_remove_monitor_interface(drv);
3170
3171 if (is_ap_interface(drv->nlmode)) {
3172 wpa_driver_nl80211_del_beacon_all(bss);
3173 nl80211_remove_links(bss);
3174 }
3175
3176 if (drv->eapol_sock >= 0) {
3177 eloop_unregister_read_sock(drv->eapol_sock);
3178 close(drv->eapol_sock);
3179 }
3180
3181 if (drv->if_indices != drv->default_if_indices)
3182 os_free(drv->if_indices);
3183
3184 if (drv->disabled_11b_rates)
3185 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3186
3187 netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0,
3188 IF_OPER_UP);
3189 eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx);
3190 rfkill_deinit(drv->rfkill);
3191
3192 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
3193
3194 if (!drv->start_iface_up)
3195 (void) i802_set_iface_flags(bss, 0);
3196
3197 if (drv->addr_changed) {
3198 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
3199 0) < 0) {
3200 wpa_printf(MSG_DEBUG,
3201 "nl80211: Could not set interface down to restore permanent MAC address");
3202 }
3203 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
3204 drv->perm_addr) < 0) {
3205 wpa_printf(MSG_DEBUG,
3206 "nl80211: Could not restore permanent MAC address");
3207 }
3208 }
3209
3210 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) {
3211 if (drv->start_mode_sta)
3212 wpa_driver_nl80211_set_mode(bss,
3213 NL80211_IFTYPE_STATION);
3214 nl80211_mgmt_unsubscribe(bss, "deinit");
3215 } else {
3216 nl80211_mgmt_unsubscribe(bss, "deinit");
3217 nl80211_del_p2pdev(bss);
3218 }
3219
3220 nl80211_destroy_bss(drv->first_bss);
3221
3222 os_free(drv->filter_ssids);
3223
3224 os_free(drv->auth_ie);
3225 os_free(drv->auth_data);
3226
3227 if (drv->in_interface_list)
3228 dl_list_del(&drv->list);
3229
3230 os_free(drv->extended_capa);
3231 os_free(drv->extended_capa_mask);
3232 for (i = 0; i < drv->num_iface_capa; i++) {
3233 os_free(drv->iface_capa[i].ext_capa);
3234 os_free(drv->iface_capa[i].ext_capa_mask);
3235 }
3236 os_free(drv->first_bss);
3237 #ifdef CONFIG_DRIVER_NL80211_QCA
3238 os_free(drv->pending_roam_data);
3239 #endif /* CONFIG_DRIVER_NL80211_QCA */
3240 os_free(drv);
3241 }
3242
3243
wpa_alg_to_cipher_suite(enum wpa_alg alg,size_t key_len)3244 static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len)
3245 {
3246 switch (alg) {
3247 case WPA_ALG_WEP:
3248 if (key_len == 5)
3249 return RSN_CIPHER_SUITE_WEP40;
3250 return RSN_CIPHER_SUITE_WEP104;
3251 case WPA_ALG_TKIP:
3252 return RSN_CIPHER_SUITE_TKIP;
3253 case WPA_ALG_CCMP:
3254 return RSN_CIPHER_SUITE_CCMP;
3255 case WPA_ALG_GCMP:
3256 return RSN_CIPHER_SUITE_GCMP;
3257 case WPA_ALG_CCMP_256:
3258 return RSN_CIPHER_SUITE_CCMP_256;
3259 case WPA_ALG_GCMP_256:
3260 return RSN_CIPHER_SUITE_GCMP_256;
3261 case WPA_ALG_BIP_CMAC_128:
3262 return RSN_CIPHER_SUITE_AES_128_CMAC;
3263 case WPA_ALG_BIP_GMAC_128:
3264 return RSN_CIPHER_SUITE_BIP_GMAC_128;
3265 case WPA_ALG_BIP_GMAC_256:
3266 return RSN_CIPHER_SUITE_BIP_GMAC_256;
3267 case WPA_ALG_BIP_CMAC_256:
3268 return RSN_CIPHER_SUITE_BIP_CMAC_256;
3269 case WPA_ALG_SMS4:
3270 return RSN_CIPHER_SUITE_SMS4;
3271 case WPA_ALG_KRK:
3272 return RSN_CIPHER_SUITE_KRK;
3273 case WPA_ALG_NONE:
3274 wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d",
3275 alg);
3276 return 0;
3277 }
3278
3279 wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d",
3280 alg);
3281 return 0;
3282 }
3283
3284
wpa_cipher_to_cipher_suite(unsigned int cipher)3285 static u32 wpa_cipher_to_cipher_suite(unsigned int cipher)
3286 {
3287 switch (cipher) {
3288 case WPA_CIPHER_CCMP_256:
3289 return RSN_CIPHER_SUITE_CCMP_256;
3290 case WPA_CIPHER_GCMP_256:
3291 return RSN_CIPHER_SUITE_GCMP_256;
3292 case WPA_CIPHER_CCMP:
3293 return RSN_CIPHER_SUITE_CCMP;
3294 case WPA_CIPHER_GCMP:
3295 return RSN_CIPHER_SUITE_GCMP;
3296 case WPA_CIPHER_TKIP:
3297 return RSN_CIPHER_SUITE_TKIP;
3298 case WPA_CIPHER_WEP104:
3299 return RSN_CIPHER_SUITE_WEP104;
3300 case WPA_CIPHER_WEP40:
3301 return RSN_CIPHER_SUITE_WEP40;
3302 case WPA_CIPHER_GTK_NOT_USED:
3303 return RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED;
3304 default:
3305 return 0;
3306 }
3307 }
3308
3309
wpa_cipher_to_cipher_suites(unsigned int ciphers,u32 suites[],int max_suites)3310 static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[],
3311 int max_suites)
3312 {
3313 int num_suites = 0;
3314
3315 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256)
3316 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP_256;
3317 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256)
3318 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP_256;
3319 if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP)
3320 suites[num_suites++] = RSN_CIPHER_SUITE_CCMP;
3321 if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP)
3322 suites[num_suites++] = RSN_CIPHER_SUITE_GCMP;
3323 if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP)
3324 suites[num_suites++] = RSN_CIPHER_SUITE_TKIP;
3325 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104)
3326 suites[num_suites++] = RSN_CIPHER_SUITE_WEP104;
3327 if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40)
3328 suites[num_suites++] = RSN_CIPHER_SUITE_WEP40;
3329
3330 return num_suites;
3331 }
3332
3333
wpa_key_mgmt_to_suites(unsigned int key_mgmt_suites,u32 suites[],int max_suites)3334 static int wpa_key_mgmt_to_suites(unsigned int key_mgmt_suites, u32 suites[],
3335 int max_suites)
3336 {
3337 int num_suites = 0;
3338
3339 #define __AKM(a, b) \
3340 if (num_suites < max_suites && \
3341 (key_mgmt_suites & (WPA_KEY_MGMT_ ## a))) \
3342 suites[num_suites++] = (RSN_AUTH_KEY_MGMT_ ## b)
3343 __AKM(IEEE8021X, UNSPEC_802_1X);
3344 __AKM(PSK, PSK_OVER_802_1X);
3345 __AKM(FT_IEEE8021X, FT_802_1X);
3346 __AKM(FT_PSK, FT_PSK);
3347 __AKM(IEEE8021X_SHA256, 802_1X_SHA256);
3348 __AKM(PSK_SHA256, PSK_SHA256);
3349 __AKM(SAE, SAE);
3350 __AKM(SAE_EXT_KEY, SAE_EXT_KEY);
3351 __AKM(FT_SAE, FT_SAE);
3352 __AKM(FT_SAE_EXT_KEY, FT_SAE_EXT_KEY);
3353 __AKM(CCKM, CCKM);
3354 __AKM(OSEN, OSEN);
3355 __AKM(IEEE8021X_SUITE_B, 802_1X_SUITE_B);
3356 __AKM(IEEE8021X_SUITE_B_192, 802_1X_SUITE_B_192);
3357 __AKM(FILS_SHA256, FILS_SHA256);
3358 __AKM(FILS_SHA384, FILS_SHA384);
3359 __AKM(FT_FILS_SHA256, FT_FILS_SHA256);
3360 __AKM(FT_FILS_SHA384, FT_FILS_SHA384);
3361 __AKM(OWE, OWE);
3362 __AKM(DPP, DPP);
3363 __AKM(FT_IEEE8021X_SHA384, FT_802_1X_SHA384);
3364 __AKM(IEEE8021X_SHA384, 802_1X_SHA384);
3365 #undef __AKM
3366
3367 return num_suites;
3368 }
3369
3370
3371 #ifdef CONFIG_DRIVER_NL80211_QCA
issue_key_mgmt_set_key(struct wpa_driver_nl80211_data * drv,const u8 * key,size_t key_len)3372 static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
3373 const u8 *key, size_t key_len)
3374 {
3375 struct nl_msg *msg;
3376 int ret;
3377
3378 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
3379 return 0;
3380
3381 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
3382 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
3383 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
3384 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
3385 nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
3386 nl80211_nlmsg_clear(msg);
3387 nlmsg_free(msg);
3388 return -1;
3389 }
3390 ret = send_and_recv_cmd(drv, msg);
3391 if (ret) {
3392 wpa_printf(MSG_DEBUG,
3393 "nl80211: Key management set key failed: ret=%d (%s)",
3394 ret, strerror(-ret));
3395 }
3396
3397 return ret;
3398 }
3399 #endif /* CONFIG_DRIVER_NL80211_QCA */
3400
3401
nl80211_set_pmk(struct wpa_driver_nl80211_data * drv,const u8 * key,size_t key_len,const u8 * addr)3402 static int nl80211_set_pmk(struct wpa_driver_nl80211_data *drv,
3403 const u8 *key, size_t key_len,
3404 const u8 *addr)
3405 {
3406 struct nl_msg *msg = NULL;
3407 int ret;
3408
3409 /*
3410 * If the authenticator address is not set, assume it is
3411 * the current BSSID.
3412 */
3413 if (!addr && drv->associated)
3414 addr = drv->bssid;
3415 else if (!addr)
3416 return -1;
3417
3418 wpa_printf(MSG_DEBUG, "nl80211: Set PMK to the driver for " MACSTR,
3419 MAC2STR(addr));
3420 wpa_hexdump_key(MSG_DEBUG, "nl80211: PMK", key, key_len);
3421 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_PMK);
3422 if (!msg ||
3423 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
3424 nla_put(msg, NL80211_ATTR_PMK, key_len, key)) {
3425 nl80211_nlmsg_clear(msg);
3426 nlmsg_free(msg);
3427 return -ENOBUFS;
3428 }
3429
3430 ret = send_and_recv_cmd(drv, msg);
3431 if (ret) {
3432 wpa_printf(MSG_DEBUG, "nl80211: Set PMK failed: ret=%d (%s)",
3433 ret, strerror(-ret));
3434 }
3435
3436 return ret;
3437 }
3438
3439
wpa_driver_nl80211_set_key(struct i802_bss * bss,struct wpa_driver_set_key_params * params)3440 static int wpa_driver_nl80211_set_key(struct i802_bss *bss,
3441 struct wpa_driver_set_key_params *params)
3442 {
3443 struct wpa_driver_nl80211_data *drv = bss->drv;
3444 int ifindex;
3445 struct nl_msg *msg;
3446 struct nl_msg *key_msg;
3447 int ret;
3448 int skip_set_key = 1;
3449 const char *ifname = params->ifname;
3450 enum wpa_alg alg = params->alg;
3451 const u8 *addr = params->addr;
3452 int key_idx = params->key_idx;
3453 int set_tx = params->set_tx;
3454 const u8 *seq = params->seq;
3455 size_t seq_len = params->seq_len;
3456 const u8 *key = params->key;
3457 size_t key_len = params->key_len;
3458 int vlan_id = params->vlan_id;
3459 enum key_flag key_flag = params->key_flag;
3460 int link_id = params->link_id;
3461
3462 /* Ignore for P2P Device */
3463 if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE)
3464 return 0;
3465
3466 ifindex = if_nametoindex(ifname);
3467 wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d "
3468 "set_tx=%d seq_len=%lu key_len=%lu key_flag=0x%x link_id=%d",
3469 __func__, ifindex, ifname, alg, addr, key_idx, set_tx,
3470 (unsigned long) seq_len, (unsigned long) key_len, key_flag,
3471 link_id);
3472
3473 if (check_key_flag(key_flag)) {
3474 wpa_printf(MSG_DEBUG, "%s: invalid key_flag", __func__);
3475 return -EINVAL;
3476 }
3477
3478 #ifdef CONFIG_DRIVER_NL80211_QCA
3479 if ((key_flag & KEY_FLAG_PMK) &&
3480 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
3481 wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
3482 __func__);
3483 ret = issue_key_mgmt_set_key(drv, key, key_len);
3484 return ret;
3485 }
3486 #endif /* CONFIG_DRIVER_NL80211_QCA */
3487
3488 if (key_flag & KEY_FLAG_PMK) {
3489 if (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)
3490 return nl80211_set_pmk(drv, key, key_len, addr);
3491 /* The driver does not have any offload mechanism for PMK, so
3492 * there is no need to configure this key. */
3493 return 0;
3494 }
3495
3496 ret = -ENOBUFS;
3497 key_msg = nlmsg_alloc();
3498 if (!key_msg)
3499 return ret;
3500
3501 if ((key_flag & KEY_FLAG_PAIRWISE_MASK) ==
3502 KEY_FLAG_PAIRWISE_RX_TX_MODIFY) {
3503 wpa_printf(MSG_DEBUG,
3504 "nl80211: SET_KEY (pairwise RX/TX modify)");
3505 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
3506 if (!msg)
3507 goto fail2;
3508 } else if (alg == WPA_ALG_NONE && (key_flag & KEY_FLAG_RX_TX)) {
3509 wpa_printf(MSG_DEBUG, "%s: invalid key_flag to delete key",
3510 __func__);
3511 ret = -EINVAL;
3512 goto fail2;
3513 } else if (alg == WPA_ALG_NONE) {
3514 wpa_printf(MSG_DEBUG, "nl80211: DEL_KEY");
3515 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY);
3516 if (!msg)
3517 goto fail2;
3518 } else {
3519 u32 suite;
3520
3521 suite = wpa_alg_to_cipher_suite(alg, key_len);
3522 if (!suite) {
3523 ret = -EINVAL;
3524 goto fail2;
3525 }
3526 wpa_printf(MSG_DEBUG, "nl80211: NEW_KEY");
3527 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY);
3528 if (!msg)
3529 goto fail2;
3530 if (nla_put(key_msg, NL80211_KEY_DATA, key_len, key) ||
3531 nla_put_u32(key_msg, NL80211_KEY_CIPHER, suite))
3532 goto fail;
3533 wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len);
3534
3535 if (seq && seq_len) {
3536 if (nla_put(key_msg, NL80211_KEY_SEQ, seq_len, seq))
3537 goto fail;
3538 wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ",
3539 seq, seq_len);
3540 }
3541 }
3542
3543 if (addr && !is_broadcast_ether_addr(addr)) {
3544 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
3545 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
3546 goto fail;
3547
3548 if ((key_flag & KEY_FLAG_PAIRWISE_MASK) ==
3549 KEY_FLAG_PAIRWISE_RX ||
3550 (key_flag & KEY_FLAG_PAIRWISE_MASK) ==
3551 KEY_FLAG_PAIRWISE_RX_TX_MODIFY) {
3552 if (nla_put_u8(key_msg, NL80211_KEY_MODE,
3553 key_flag == KEY_FLAG_PAIRWISE_RX ?
3554 NL80211_KEY_NO_TX : NL80211_KEY_SET_TX))
3555 goto fail;
3556 } else if ((key_flag & KEY_FLAG_GROUP_MASK) ==
3557 KEY_FLAG_GROUP_RX) {
3558 wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
3559 if (nla_put_u32(key_msg, NL80211_KEY_TYPE,
3560 NL80211_KEYTYPE_GROUP))
3561 goto fail;
3562 } else if (!(key_flag & KEY_FLAG_PAIRWISE)) {
3563 wpa_printf(MSG_DEBUG,
3564 " key_flag missing PAIRWISE when setting a pairwise key");
3565 ret = -EINVAL;
3566 goto fail;
3567 } else if (alg == WPA_ALG_WEP &&
3568 (key_flag & KEY_FLAG_RX_TX) == KEY_FLAG_RX_TX) {
3569 wpa_printf(MSG_DEBUG, " unicast WEP key");
3570 skip_set_key = 0;
3571 } else {
3572 wpa_printf(MSG_DEBUG, " pairwise key");
3573 }
3574 } else if ((key_flag & KEY_FLAG_PAIRWISE) ||
3575 !(key_flag & KEY_FLAG_GROUP)) {
3576 wpa_printf(MSG_DEBUG,
3577 " invalid key_flag for a broadcast key");
3578 ret = -EINVAL;
3579 goto fail;
3580 } else {
3581 wpa_printf(MSG_DEBUG, " broadcast key");
3582 if (key_flag & KEY_FLAG_DEFAULT)
3583 skip_set_key = 0;
3584 }
3585 if (nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) ||
3586 nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
3587 goto fail;
3588 nl80211_nlmsg_clear(key_msg);
3589 nlmsg_free(key_msg);
3590 key_msg = NULL;
3591
3592 if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
3593 wpa_printf(MSG_DEBUG, "nl80211: VLAN ID %d", vlan_id);
3594 if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id))
3595 goto fail;
3596 }
3597
3598 if (link_id != -1) {
3599 wpa_printf(MSG_DEBUG, "nl80211: Link ID %d", link_id);
3600 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
3601 goto fail;
3602 }
3603
3604 ret = send_and_recv_cmd(drv, msg);
3605 if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
3606 ret = 0;
3607 if (ret)
3608 wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s",
3609 ret, strerror(-ret));
3610
3611 /*
3612 * If we failed or don't need to set the key as default (below),
3613 * we're done here.
3614 */
3615 if (ret || skip_set_key)
3616 return ret;
3617 wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_SET_KEY - default key");
3618
3619 ret = -ENOBUFS;
3620 key_msg = nlmsg_alloc();
3621 if (!key_msg)
3622 return ret;
3623
3624 msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
3625 if (!msg)
3626 goto fail2;
3627 if (!key_msg ||
3628 nla_put_u8(key_msg, NL80211_KEY_IDX, key_idx) ||
3629 nla_put_flag(key_msg, wpa_alg_bip(alg) ?
3630 (key_idx == 6 || key_idx == 7 ?
3631 NL80211_KEY_DEFAULT_BEACON :
3632 NL80211_KEY_DEFAULT_MGMT) :
3633 NL80211_KEY_DEFAULT))
3634 goto fail;
3635 if (addr && is_broadcast_ether_addr(addr)) {
3636 struct nlattr *types;
3637
3638 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
3639 if (!types ||
3640 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST))
3641 goto fail;
3642 nla_nest_end(key_msg, types);
3643 } else if (addr) {
3644 struct nlattr *types;
3645
3646 types = nla_nest_start(key_msg, NL80211_KEY_DEFAULT_TYPES);
3647 if (!types ||
3648 nla_put_flag(key_msg, NL80211_KEY_DEFAULT_TYPE_UNICAST))
3649 goto fail;
3650 nla_nest_end(key_msg, types);
3651 }
3652
3653 if (nla_put_nested(msg, NL80211_ATTR_KEY, key_msg))
3654 goto fail;
3655 nl80211_nlmsg_clear(key_msg);
3656 nlmsg_free(key_msg);
3657 key_msg = NULL;
3658
3659 if (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
3660 wpa_printf(MSG_DEBUG, "nl80211: set_key default - VLAN ID %d",
3661 vlan_id);
3662 if (nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id))
3663 goto fail;
3664 }
3665
3666 if (link_id != -1) {
3667 wpa_printf(MSG_DEBUG, "nl80211: set_key default - Link ID %d",
3668 link_id);
3669 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
3670 goto fail;
3671 }
3672
3673 ret = send_and_recv_cmd(drv, msg);
3674 if (ret)
3675 wpa_printf(MSG_DEBUG,
3676 "nl80211: set_key default failed; err=%d %s",
3677 ret, strerror(-ret));
3678 return ret;
3679
3680 fail:
3681 nl80211_nlmsg_clear(msg);
3682 nlmsg_free(msg);
3683 fail2:
3684 nl80211_nlmsg_clear(key_msg);
3685 nlmsg_free(key_msg);
3686 return ret;
3687 }
3688
3689
nl_add_key(struct nl_msg * msg,enum wpa_alg alg,int key_idx,int defkey,const u8 * seq,size_t seq_len,const u8 * key,size_t key_len)3690 static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg,
3691 int key_idx, int defkey,
3692 const u8 *seq, size_t seq_len,
3693 const u8 *key, size_t key_len)
3694 {
3695 struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY);
3696 u32 suite;
3697
3698 if (!key_attr)
3699 return -1;
3700
3701 suite = wpa_alg_to_cipher_suite(alg, key_len);
3702 if (!suite)
3703 return -1;
3704
3705 if (defkey && wpa_alg_bip(alg)) {
3706 if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT))
3707 return -1;
3708 } else if (defkey) {
3709 if (nla_put_flag(msg, NL80211_KEY_DEFAULT))
3710 return -1;
3711 }
3712
3713 if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) ||
3714 nla_put_u32(msg, NL80211_KEY_CIPHER, suite) ||
3715 (seq && seq_len &&
3716 nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) ||
3717 nla_put(msg, NL80211_KEY_DATA, key_len, key))
3718 return -1;
3719
3720 nla_nest_end(msg, key_attr);
3721
3722 return 0;
3723 }
3724
3725
nl80211_set_conn_keys(struct wpa_driver_associate_params * params,struct nl_msg * msg)3726 static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params,
3727 struct nl_msg *msg)
3728 {
3729 int i, privacy = 0;
3730 struct nlattr *nl_keys, *nl_key;
3731
3732 for (i = 0; i < 4; i++) {
3733 if (!params->wep_key[i])
3734 continue;
3735 privacy = 1;
3736 break;
3737 }
3738 if (params->wps == WPS_MODE_PRIVACY)
3739 privacy = 1;
3740 if (params->pairwise_suite &&
3741 params->pairwise_suite != WPA_CIPHER_NONE)
3742 privacy = 1;
3743
3744 if (!privacy)
3745 return 0;
3746
3747 if (nla_put_flag(msg, NL80211_ATTR_PRIVACY))
3748 return -ENOBUFS;
3749
3750 nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS);
3751 if (!nl_keys)
3752 return -ENOBUFS;
3753
3754 for (i = 0; i < 4; i++) {
3755 if (!params->wep_key[i])
3756 continue;
3757
3758 nl_key = nla_nest_start(msg, i);
3759 if (!nl_key ||
3760 nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i],
3761 params->wep_key[i]) ||
3762 nla_put_u32(msg, NL80211_KEY_CIPHER,
3763 params->wep_key_len[i] == 5 ?
3764 RSN_CIPHER_SUITE_WEP40 :
3765 RSN_CIPHER_SUITE_WEP104) ||
3766 nla_put_u8(msg, NL80211_KEY_IDX, i) ||
3767 (i == params->wep_tx_keyidx &&
3768 nla_put_flag(msg, NL80211_KEY_DEFAULT)))
3769 return -ENOBUFS;
3770
3771 nla_nest_end(msg, nl_key);
3772 }
3773 nla_nest_end(msg, nl_keys);
3774
3775 return 0;
3776 }
3777
3778
wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data * drv,const u8 * addr,int cmd,u16 reason_code,int local_state_change,struct i802_bss * bss)3779 int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
3780 const u8 *addr, int cmd, u16 reason_code,
3781 int local_state_change,
3782 struct i802_bss *bss)
3783 {
3784 int ret;
3785 struct nl_msg *msg;
3786
3787 if (!(msg = nl80211_drv_msg(drv, 0, cmd)) ||
3788 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) ||
3789 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
3790 (local_state_change &&
3791 nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) {
3792 nlmsg_free(msg);
3793 return -1;
3794 }
3795
3796 ret = send_and_recv(drv->global, bss->nl_connect, msg,
3797 NULL, NULL, NULL, NULL, NULL);
3798 if (ret) {
3799 wpa_dbg(drv->ctx, MSG_DEBUG,
3800 "nl80211: MLME command failed: reason=%u ret=%d (%s)",
3801 reason_code, ret, strerror(-ret));
3802 }
3803 return ret;
3804 }
3805
3806
wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data * drv,u16 reason_code,struct i802_bss * bss)3807 static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
3808 u16 reason_code,
3809 struct i802_bss *bss)
3810 {
3811 int ret;
3812
3813 wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code);
3814 nl80211_mark_disconnected(drv);
3815 /* Disconnect command doesn't need BSSID - it uses cached value */
3816 ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT,
3817 reason_code, 0, bss);
3818 /*
3819 * For locally generated disconnect, supplicant already generates a
3820 * DEAUTH event, so ignore the event from NL80211.
3821 */
3822 if (ret == 0)
3823 drv->ignore_next_local_disconnect = send_event_marker(drv);
3824
3825 return ret;
3826 }
3827
3828
wpa_driver_nl80211_deauthenticate(struct i802_bss * bss,const u8 * addr,u16 reason_code)3829 static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss,
3830 const u8 *addr, u16 reason_code)
3831 {
3832 struct wpa_driver_nl80211_data *drv = bss->drv;
3833 int ret;
3834
3835 if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
3836 nl80211_mark_disconnected(drv);
3837 return nl80211_leave_ibss(drv, 1);
3838 }
3839 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
3840 return wpa_driver_nl80211_disconnect(drv, reason_code, bss);
3841 }
3842 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
3843 __func__, MAC2STR(addr), reason_code);
3844 nl80211_mark_disconnected(drv);
3845 ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
3846 reason_code, 0, bss);
3847 /*
3848 * For locally generated deauthenticate, supplicant already generates a
3849 * DEAUTH event, so ignore the event from NL80211.
3850 */
3851 if (ret == 0)
3852 drv->ignore_next_local_deauth = send_event_marker(drv);
3853
3854 return ret;
3855 }
3856
3857
nl80211_copy_auth_params(struct wpa_driver_nl80211_data * drv,struct wpa_driver_auth_params * params)3858 static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv,
3859 struct wpa_driver_auth_params *params)
3860 {
3861 int i;
3862
3863 drv->auth_freq = params->freq;
3864 drv->auth_alg = params->auth_alg;
3865 drv->auth_wep_tx_keyidx = params->wep_tx_keyidx;
3866 drv->auth_local_state_change = params->local_state_change;
3867 drv->auth_p2p = params->p2p;
3868
3869 if (params->bssid)
3870 os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN);
3871 else
3872 os_memset(drv->auth_bssid_, 0, ETH_ALEN);
3873
3874 if (params->ssid) {
3875 os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len);
3876 drv->auth_ssid_len = params->ssid_len;
3877 } else
3878 drv->auth_ssid_len = 0;
3879
3880
3881 os_free(drv->auth_ie);
3882 drv->auth_ie = NULL;
3883 drv->auth_ie_len = 0;
3884 if (params->ie) {
3885 drv->auth_ie = os_malloc(params->ie_len);
3886 if (drv->auth_ie) {
3887 os_memcpy(drv->auth_ie, params->ie, params->ie_len);
3888 drv->auth_ie_len = params->ie_len;
3889 }
3890 }
3891
3892 if (params->mld && params->ap_mld_addr) {
3893 drv->auth_mld = params->mld;
3894 drv->auth_mld_link_id = params->mld_link_id;
3895 os_memcpy(drv->auth_ap_mld_addr, params->ap_mld_addr, ETH_ALEN);
3896 } else {
3897 drv->auth_mld = false;
3898 drv->auth_mld_link_id = -1;
3899 }
3900
3901 os_free(drv->auth_data);
3902 drv->auth_data = NULL;
3903 drv->auth_data_len = 0;
3904 if (params->auth_data) {
3905 drv->auth_data = os_memdup(params->auth_data,
3906 params->auth_data_len);
3907 if (drv->auth_data)
3908 drv->auth_data_len = params->auth_data_len;
3909 }
3910
3911 for (i = 0; i < 4; i++) {
3912 if (params->wep_key[i] && params->wep_key_len[i] &&
3913 params->wep_key_len[i] <= 16) {
3914 os_memcpy(drv->auth_wep_key[i], params->wep_key[i],
3915 params->wep_key_len[i]);
3916 drv->auth_wep_key_len[i] = params->wep_key_len[i];
3917 } else
3918 drv->auth_wep_key_len[i] = 0;
3919 }
3920 }
3921
3922
nl80211_unmask_11b_rates(struct i802_bss * bss)3923 static void nl80211_unmask_11b_rates(struct i802_bss *bss)
3924 {
3925 struct wpa_driver_nl80211_data *drv = bss->drv;
3926
3927 if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
3928 return;
3929
3930 /*
3931 * Looks like we failed to unmask 11b rates previously. This could
3932 * happen, e.g., if the interface was down at the point in time when a
3933 * P2P group was terminated.
3934 */
3935 wpa_printf(MSG_DEBUG,
3936 "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
3937 bss->ifname);
3938 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
3939 }
3940
3941
get_nl_auth_type(int wpa_auth_alg)3942 static enum nl80211_auth_type get_nl_auth_type(int wpa_auth_alg)
3943 {
3944 if (wpa_auth_alg & WPA_AUTH_ALG_OPEN)
3945 return NL80211_AUTHTYPE_OPEN_SYSTEM;
3946 if (wpa_auth_alg & WPA_AUTH_ALG_SHARED)
3947 return NL80211_AUTHTYPE_SHARED_KEY;
3948 if (wpa_auth_alg & WPA_AUTH_ALG_LEAP)
3949 return NL80211_AUTHTYPE_NETWORK_EAP;
3950 if (wpa_auth_alg & WPA_AUTH_ALG_FT)
3951 return NL80211_AUTHTYPE_FT;
3952 if (wpa_auth_alg & WPA_AUTH_ALG_SAE)
3953 return NL80211_AUTHTYPE_SAE;
3954 if (wpa_auth_alg & WPA_AUTH_ALG_FILS)
3955 return NL80211_AUTHTYPE_FILS_SK;
3956 if (wpa_auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
3957 return NL80211_AUTHTYPE_FILS_SK_PFS;
3958
3959 return NL80211_AUTHTYPE_MAX;
3960 }
3961
3962
wpa_driver_nl80211_authenticate(struct i802_bss * bss,struct wpa_driver_auth_params * params)3963 static int wpa_driver_nl80211_authenticate(
3964 struct i802_bss *bss, struct wpa_driver_auth_params *params)
3965 {
3966 struct wpa_driver_nl80211_data *drv = bss->drv;
3967 int ret = -1, i;
3968 struct nl_msg *msg;
3969 enum nl80211_auth_type type;
3970 enum nl80211_iftype nlmode;
3971 int count = 0;
3972 int is_retry;
3973 struct wpa_driver_set_key_params p;
3974
3975 nl80211_unmask_11b_rates(bss);
3976
3977 is_retry = drv->retry_auth;
3978 drv->retry_auth = 0;
3979 drv->ignore_deauth_event = 0;
3980
3981 nl80211_mark_disconnected(drv);
3982 os_memset(drv->auth_bssid, 0, ETH_ALEN);
3983 if (params->bssid)
3984 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
3985 else
3986 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
3987 /* FIX: IBSS mode */
3988 nlmode = params->p2p ?
3989 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
3990 if (drv->nlmode != nlmode &&
3991 wpa_driver_nl80211_set_mode(bss, nlmode) < 0)
3992 return -1;
3993
3994 retry:
3995 wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
3996 drv->ifindex);
3997
3998 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE);
3999 if (!msg)
4000 goto fail;
4001
4002 os_memset(&p, 0, sizeof(p));
4003 p.ifname = bss->ifname;
4004 p.alg = WPA_ALG_WEP;
4005 p.link_id = -1;
4006 for (i = 0; i < 4; i++) {
4007 if (!params->wep_key[i])
4008 continue;
4009 p.key_idx = i;
4010 p.set_tx = i == params->wep_tx_keyidx;
4011 p.key = params->wep_key[i];
4012 p.key_len = params->wep_key_len[i];
4013 p.key_flag = i == params->wep_tx_keyidx ?
4014 KEY_FLAG_GROUP_RX_TX_DEFAULT :
4015 KEY_FLAG_GROUP_RX_TX;
4016 wpa_driver_nl80211_set_key(bss, &p);
4017 if (params->wep_tx_keyidx != i)
4018 continue;
4019 if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0,
4020 params->wep_key[i], params->wep_key_len[i]))
4021 goto fail;
4022 }
4023
4024 if (params->bssid) {
4025 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
4026 MAC2STR(params->bssid));
4027 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
4028 goto fail;
4029 }
4030 if (params->freq) {
4031 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
4032 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
4033 goto fail;
4034 }
4035 if (params->ssid) {
4036 wpa_printf(MSG_DEBUG, " * SSID=%s",
4037 wpa_ssid_txt(params->ssid, params->ssid_len));
4038 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
4039 params->ssid))
4040 goto fail;
4041 }
4042 wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
4043 if (params->ie &&
4044 nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie))
4045 goto fail;
4046 if (params->auth_data) {
4047 wpa_hexdump(MSG_DEBUG, " * auth_data", params->auth_data,
4048 params->auth_data_len);
4049 if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->auth_data_len,
4050 params->auth_data))
4051 goto fail;
4052 }
4053 type = get_nl_auth_type(params->auth_alg);
4054 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
4055 if (type == NL80211_AUTHTYPE_MAX ||
4056 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
4057 goto fail;
4058 if (params->local_state_change) {
4059 wpa_printf(MSG_DEBUG, " * Local state change only");
4060 if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))
4061 goto fail;
4062 }
4063
4064 if (params->mld && params->ap_mld_addr) {
4065 wpa_printf(MSG_DEBUG, " * MLD: link_id=%u, MLD addr=" MACSTR,
4066 params->mld_link_id, MAC2STR(params->ap_mld_addr));
4067
4068 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
4069 params->mld_link_id) ||
4070 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
4071 params->ap_mld_addr))
4072 goto fail;
4073 }
4074
4075 ret = send_and_recv_cmd(drv, msg);
4076 msg = NULL;
4077 if (ret) {
4078 wpa_dbg(drv->ctx, MSG_DEBUG,
4079 "nl80211: MLME command failed (auth): count=%d ret=%d (%s)",
4080 count, ret, strerror(-ret));
4081 count++;
4082 if ((ret == -EALREADY || ret == -EEXIST) && count == 1 &&
4083 params->bssid && !params->local_state_change) {
4084 /*
4085 * mac80211 does not currently accept new
4086 * authentication if we are already authenticated. As a
4087 * workaround, force deauthentication and try again.
4088 */
4089 wpa_printf(MSG_DEBUG, "nl80211: Retry authentication "
4090 "after forced deauthentication");
4091 drv->ignore_deauth_event = 1;
4092 wpa_driver_nl80211_deauthenticate(
4093 bss, params->bssid,
4094 WLAN_REASON_PREV_AUTH_NOT_VALID);
4095 nlmsg_free(msg);
4096 goto retry;
4097 }
4098
4099 if (ret == -ENOENT && params->freq && !is_retry) {
4100 /*
4101 * cfg80211 has likely expired the BSS entry even
4102 * though it was previously available in our internal
4103 * BSS table. To recover quickly, start a single
4104 * channel scan on the specified channel.
4105 */
4106 struct wpa_driver_scan_params scan;
4107 int freqs[2];
4108
4109 os_memset(&scan, 0, sizeof(scan));
4110 scan.num_ssids = 1;
4111 if (params->ssid) {
4112 scan.ssids[0].ssid = params->ssid;
4113 scan.ssids[0].ssid_len = params->ssid_len;
4114 }
4115 freqs[0] = params->freq;
4116 freqs[1] = 0;
4117 scan.freqs = freqs;
4118 wpa_printf(MSG_DEBUG, "nl80211: Trigger single "
4119 "channel scan to refresh cfg80211 BSS "
4120 "entry");
4121 ret = wpa_driver_nl80211_scan(bss, &scan);
4122 if (ret == 0) {
4123 nl80211_copy_auth_params(drv, params);
4124 drv->scan_for_auth = 1;
4125 }
4126 } else if (is_retry) {
4127 /*
4128 * Need to indicate this with an event since the return
4129 * value from the retry is not delivered to core code.
4130 */
4131 union wpa_event_data event;
4132 wpa_printf(MSG_DEBUG, "nl80211: Authentication retry "
4133 "failed");
4134 os_memset(&event, 0, sizeof(event));
4135 os_memcpy(event.timeout_event.addr, drv->auth_bssid_,
4136 ETH_ALEN);
4137 wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT,
4138 &event);
4139 }
4140 } else {
4141 wpa_printf(MSG_DEBUG,
4142 "nl80211: Authentication request send successfully");
4143 }
4144
4145 fail:
4146 nlmsg_free(msg);
4147 return ret;
4148 }
4149
4150
wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data * drv)4151 int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv)
4152 {
4153 struct wpa_driver_auth_params params;
4154 struct i802_bss *bss = drv->first_bss;
4155 u8 ap_mld_addr[ETH_ALEN];
4156 int i;
4157
4158 wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again");
4159
4160 os_memset(¶ms, 0, sizeof(params));
4161 params.freq = drv->auth_freq;
4162 params.auth_alg = drv->auth_alg;
4163 params.wep_tx_keyidx = drv->auth_wep_tx_keyidx;
4164 params.local_state_change = drv->auth_local_state_change;
4165 params.p2p = drv->auth_p2p;
4166
4167 if (!is_zero_ether_addr(drv->auth_bssid_))
4168 params.bssid = drv->auth_bssid_;
4169
4170 if (drv->auth_ssid_len) {
4171 params.ssid = drv->auth_ssid;
4172 params.ssid_len = drv->auth_ssid_len;
4173 }
4174
4175 params.ie = drv->auth_ie;
4176 params.ie_len = drv->auth_ie_len;
4177 params.auth_data = drv->auth_data;
4178 params.auth_data_len = drv->auth_data_len;
4179 params.mld = drv->auth_mld;
4180 params.mld_link_id = drv->auth_mld_link_id;
4181 if (drv->auth_mld) {
4182 os_memcpy(ap_mld_addr, drv->auth_ap_mld_addr, ETH_ALEN);
4183 params.ap_mld_addr = ap_mld_addr;
4184 }
4185
4186 for (i = 0; i < 4; i++) {
4187 if (drv->auth_wep_key_len[i]) {
4188 params.wep_key[i] = drv->auth_wep_key[i];
4189 params.wep_key_len[i] = drv->auth_wep_key_len[i];
4190 }
4191 }
4192
4193 drv->retry_auth = 1;
4194 return wpa_driver_nl80211_authenticate(bss, ¶ms);
4195 }
4196
4197
nl80211_get_link(struct i802_bss * bss,s8 link_id)4198 struct i802_link * nl80211_get_link(struct i802_bss *bss, s8 link_id)
4199 {
4200 if (link_id < 0 || link_id >= MAX_NUM_MLD_LINKS)
4201 return bss->flink;
4202
4203 if (BIT(link_id) & bss->valid_links)
4204 return &bss->links[link_id];
4205
4206 return bss->flink;
4207 }
4208
4209
nl80211_link_set_freq(struct i802_bss * bss,s8 link_id,int freq)4210 static void nl80211_link_set_freq(struct i802_bss *bss, s8 link_id, int freq)
4211 {
4212 struct i802_link *link = nl80211_get_link(bss, link_id);
4213
4214 link->freq = freq;
4215 }
4216
4217
nl80211_get_link_freq(struct i802_bss * bss,const u8 * addr,bool bss_freq_debug)4218 static int nl80211_get_link_freq(struct i802_bss *bss, const u8 *addr,
4219 bool bss_freq_debug)
4220 {
4221 u8 i;
4222
4223 for_each_link(bss->valid_links, i) {
4224 if (ether_addr_equal(bss->links[i].addr, addr)) {
4225 wpa_printf(MSG_DEBUG,
4226 "nl80211: Use link freq=%d for address "
4227 MACSTR,
4228 bss->links[i].freq, MAC2STR(addr));
4229 return bss->links[i].freq;
4230 }
4231 }
4232
4233 if (bss_freq_debug)
4234 wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d",
4235 bss->flink->freq);
4236
4237 return bss->flink->freq;
4238 }
4239
4240
wpa_driver_nl80211_send_mlme(struct i802_bss * bss,const u8 * data,size_t data_len,int noack,unsigned int freq,int no_cck,int offchanok,unsigned int wait_time,const u16 * csa_offs,size_t csa_offs_len,int no_encrypt,int link_id)4241 static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data,
4242 size_t data_len, int noack,
4243 unsigned int freq, int no_cck,
4244 int offchanok,
4245 unsigned int wait_time,
4246 const u16 *csa_offs,
4247 size_t csa_offs_len, int no_encrypt,
4248 int link_id)
4249 {
4250 struct wpa_driver_nl80211_data *drv = bss->drv;
4251 struct ieee80211_mgmt *mgmt;
4252 int encrypt = !no_encrypt;
4253 u16 fc;
4254 int use_cookie = 1;
4255 int res;
4256 struct i802_link *link = nl80211_get_link(bss, link_id);
4257
4258 mgmt = (struct ieee80211_mgmt *) data;
4259 fc = le_to_host16(mgmt->frame_control);
4260 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da=" MACSTR " sa=" MACSTR
4261 " bssid=" MACSTR
4262 " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u no_encrypt=%d fc=0x%x (%s) nlmode=%d",
4263 MAC2STR(mgmt->da), MAC2STR(mgmt->sa), MAC2STR(mgmt->bssid),
4264 noack, freq, no_cck, offchanok, wait_time,
4265 no_encrypt, fc, fc2str(fc), drv->nlmode);
4266
4267 if ((is_sta_interface(drv->nlmode) ||
4268 drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) &&
4269 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
4270 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
4271 /*
4272 * The use of last_mgmt_freq is a bit of a hack,
4273 * but it works due to the single-threaded nature
4274 * of wpa_supplicant.
4275 */
4276 if (freq == 0) {
4277 wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d",
4278 drv->last_mgmt_freq);
4279 freq = drv->last_mgmt_freq;
4280 }
4281 wait_time = 0;
4282 use_cookie = 0;
4283 no_cck = 1;
4284 offchanok = 1;
4285 goto send_frame_cmd;
4286 }
4287
4288 if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) {
4289 unsigned int link_freq = nl80211_get_link_freq(bss, mgmt->sa,
4290 !freq);
4291
4292 if (!freq)
4293 freq = link_freq;
4294
4295 if (freq == link_freq)
4296 wait_time = 0;
4297
4298 goto send_frame_cmd;
4299 }
4300
4301 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
4302 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
4303 /*
4304 * Only one of the authentication frame types is encrypted.
4305 * In order for static WEP encryption to work properly (i.e.,
4306 * to not encrypt the frame), we need to tell mac80211 about
4307 * the frames that must not be encrypted.
4308 */
4309 u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
4310 u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
4311 if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3)
4312 encrypt = 0;
4313 }
4314
4315 if (is_sta_interface(drv->nlmode) &&
4316 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
4317 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
4318 if (freq == 0 &&
4319 (drv->capa.flags & WPA_DRIVER_FLAGS_SAE) &&
4320 !(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
4321 freq = nl80211_get_assoc_freq(drv);
4322 wpa_printf(MSG_DEBUG,
4323 "nl80211: send_mlme - Use assoc_freq=%u for external auth",
4324 freq);
4325 }
4326
4327 /* Allow off channel for PASN authentication */
4328 if (data_len >= IEEE80211_HDRLEN + 2 &&
4329 WPA_GET_LE16(data + IEEE80211_HDRLEN) == WLAN_AUTH_PASN &&
4330 !offchanok) {
4331 wpa_printf(MSG_DEBUG,
4332 "nl80211: send_mlme: allow off channel for PASN");
4333 offchanok = 1;
4334 }
4335 }
4336
4337 #ifdef CONFIG_PASN
4338 if (is_sta_interface(drv->nlmode) &&
4339 WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
4340 WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_DEAUTH) {
4341 wpa_printf(MSG_DEBUG,
4342 "nl80211: send_mlme: allow Deauthentication frame for PASN");
4343
4344 use_cookie = 0;
4345 offchanok = 1;
4346 goto send_frame_cmd;
4347 }
4348 #endif /* CONFIG_PASN */
4349
4350 if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) {
4351 freq = nl80211_get_assoc_freq(drv);
4352 wpa_printf(MSG_DEBUG,
4353 "nl80211: send_mlme - Use assoc_freq=%u for IBSS",
4354 freq);
4355 }
4356 if (freq == 0) {
4357 wpa_printf(MSG_DEBUG, "nl80211: send_mlme - Use bss->freq=%u",
4358 link->freq);
4359 freq = link->freq;
4360 }
4361
4362 if (drv->use_monitor && is_ap_interface(drv->nlmode)) {
4363 wpa_printf(MSG_DEBUG,
4364 "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor",
4365 freq, link->freq);
4366 return nl80211_send_monitor(drv, data, data_len, encrypt,
4367 noack);
4368 }
4369
4370 if ((noack || WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
4371 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_ACTION) &&
4372 link_id == NL80211_DRV_LINK_ID_NA)
4373 use_cookie = 0;
4374 send_frame_cmd:
4375 #ifdef CONFIG_TESTING_OPTIONS
4376 if (no_encrypt && !encrypt && !drv->use_monitor) {
4377 wpa_printf(MSG_DEBUG,
4378 "nl80211: Request to send an unencrypted frame - use a monitor interface for this");
4379 if (nl80211_create_monitor_interface(drv) < 0)
4380 return -1;
4381 res = nl80211_send_monitor(drv, data, data_len, encrypt,
4382 noack);
4383 nl80211_remove_monitor_interface(drv);
4384 return res;
4385 }
4386 #endif /* CONFIG_TESTING_OPTIONS */
4387
4388 wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame_cmd");
4389 res = nl80211_send_frame_cmd(bss, freq, wait_time, data, data_len,
4390 use_cookie, no_cck, noack, offchanok,
4391 csa_offs, csa_offs_len, link_id);
4392 if (!res)
4393 drv->send_frame_link_id = link_id;
4394
4395 return res;
4396 }
4397
4398
nl80211_put_basic_rates(struct nl_msg * msg,const int * basic_rates)4399 static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
4400 {
4401 u8 rates[NL80211_MAX_SUPP_RATES];
4402 u8 rates_len = 0;
4403 int i;
4404
4405 if (!basic_rates)
4406 return 0;
4407
4408 for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
4409 rates[rates_len++] = basic_rates[i] / 5;
4410
4411 return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
4412 }
4413
4414
nl80211_set_bss(struct i802_bss * bss,int cts,int preamble,int slot,int ht_opmode,int ap_isolate,const int * basic_rates,int link_id)4415 static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
4416 int slot, int ht_opmode, int ap_isolate,
4417 const int *basic_rates, int link_id)
4418 {
4419 struct wpa_driver_nl80211_data *drv = bss->drv;
4420 struct nl_msg *msg;
4421
4422 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) ||
4423 (cts >= 0 &&
4424 nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) ||
4425 (preamble >= 0 &&
4426 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) ||
4427 (slot >= 0 &&
4428 nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) ||
4429 (ht_opmode >= 0 &&
4430 nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
4431 (ap_isolate >= 0 &&
4432 nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
4433 nl80211_put_basic_rates(msg, basic_rates) ||
4434 (link_id != NL80211_DRV_LINK_ID_NA &&
4435 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))) {
4436 nlmsg_free(msg);
4437 return -ENOBUFS;
4438 }
4439
4440 return send_and_recv_cmd(drv, msg);
4441 }
4442
4443
wpa_driver_nl80211_set_acl(void * priv,struct hostapd_acl_params * params)4444 static int wpa_driver_nl80211_set_acl(void *priv,
4445 struct hostapd_acl_params *params)
4446 {
4447 struct i802_bss *bss = priv;
4448 struct wpa_driver_nl80211_data *drv = bss->drv;
4449 struct nl_msg *msg;
4450 struct nl_msg *acl;
4451 unsigned int i;
4452 int ret;
4453 size_t acl_nla_sz, acl_nlmsg_sz, nla_sz, nlmsg_sz;
4454
4455 if (!(drv->capa.max_acl_mac_addrs))
4456 return -ENOTSUP;
4457
4458 if (params->num_mac_acl > drv->capa.max_acl_mac_addrs)
4459 return -ENOTSUP;
4460
4461 wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)",
4462 params->acl_policy ? "Accept" : "Deny", params->num_mac_acl);
4463
4464 acl_nla_sz = nla_total_size(ETH_ALEN) * params->num_mac_acl;
4465 acl_nlmsg_sz = nlmsg_total_size(acl_nla_sz);
4466 acl = nlmsg_alloc_size(acl_nlmsg_sz);
4467 if (!acl)
4468 return -ENOMEM;
4469 for (i = 0; i < params->num_mac_acl; i++) {
4470 if (nla_put(acl, i + 1, ETH_ALEN, params->mac_acl[i].addr)) {
4471 nlmsg_free(acl);
4472 return -ENOMEM;
4473 }
4474 }
4475
4476 /*
4477 * genetlink message header (Length of user header is 0) +
4478 * u32 attr: NL80211_ATTR_IFINDEX +
4479 * u32 attr: NL80211_ATTR_ACL_POLICY +
4480 * nested acl attr
4481 */
4482 nla_sz = GENL_HDRLEN +
4483 nla_total_size(4) * 2 +
4484 nla_total_size(acl_nla_sz);
4485 nlmsg_sz = nlmsg_total_size(nla_sz);
4486 if (!(msg = nl80211_ifindex_msg_build(drv, nlmsg_alloc_size(nlmsg_sz),
4487 drv->ifindex, 0,
4488 NL80211_CMD_SET_MAC_ACL)) ||
4489 nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ?
4490 NL80211_ACL_POLICY_DENY_UNLESS_LISTED :
4491 NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) ||
4492 nla_put_nested(msg, NL80211_ATTR_MAC_ADDRS, acl)) {
4493 nlmsg_free(msg);
4494 nlmsg_free(acl);
4495 return -ENOMEM;
4496 }
4497 nlmsg_free(acl);
4498
4499 ret = send_and_recv_cmd(drv, msg);
4500 if (ret) {
4501 wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
4502 ret, strerror(-ret));
4503 }
4504
4505 return ret;
4506 }
4507
4508
nl80211_put_beacon_int(struct nl_msg * msg,int beacon_int)4509 static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
4510 {
4511 if (beacon_int > 0) {
4512 wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
4513 return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
4514 beacon_int);
4515 }
4516
4517 return 0;
4518 }
4519
4520
nl80211_put_dtim_period(struct nl_msg * msg,int dtim_period)4521 static int nl80211_put_dtim_period(struct nl_msg *msg, int dtim_period)
4522 {
4523 if (dtim_period > 0) {
4524 wpa_printf(MSG_DEBUG, " * dtim_period=%d", dtim_period);
4525 return nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
4526 }
4527
4528 return 0;
4529 }
4530
4531
4532 #ifdef CONFIG_MESH
nl80211_set_mesh_config(void * priv,struct wpa_driver_mesh_bss_params * params)4533 static int nl80211_set_mesh_config(void *priv,
4534 struct wpa_driver_mesh_bss_params *params)
4535 {
4536 struct i802_bss *bss = priv;
4537 struct wpa_driver_nl80211_data *drv = bss->drv;
4538 struct nl_msg *msg;
4539 int ret;
4540
4541 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MESH_CONFIG);
4542 if (!msg)
4543 return -1;
4544
4545 ret = nl80211_put_mesh_config(msg, params);
4546 if (ret < 0) {
4547 nlmsg_free(msg);
4548 return ret;
4549 }
4550
4551 ret = send_and_recv_cmd(drv, msg);
4552 if (ret) {
4553 wpa_printf(MSG_ERROR,
4554 "nl80211: Mesh config set failed: %d (%s)",
4555 ret, strerror(-ret));
4556 return ret;
4557 }
4558 return 0;
4559 }
4560 #endif /* CONFIG_MESH */
4561
4562
nl80211_put_beacon_rate(struct nl_msg * msg,u64 flags,u64 flags2,struct wpa_driver_ap_params * params)4563 static int nl80211_put_beacon_rate(struct nl_msg *msg, u64 flags, u64 flags2,
4564 struct wpa_driver_ap_params *params)
4565 {
4566 struct nlattr *bands, *band;
4567 struct nl80211_txrate_vht vht_rate;
4568 struct nl80211_txrate_he he_rate;
4569
4570 if (!params->freq ||
4571 (params->beacon_rate == 0 &&
4572 params->rate_type == BEACON_RATE_LEGACY))
4573 return 0;
4574
4575 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
4576 if (!bands)
4577 return -1;
4578
4579 switch (params->freq->mode) {
4580 case HOSTAPD_MODE_IEEE80211B:
4581 case HOSTAPD_MODE_IEEE80211G:
4582 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
4583 break;
4584 case HOSTAPD_MODE_IEEE80211A:
4585 if (is_6ghz_freq(params->freq->freq))
4586 band = nla_nest_start(msg, NL80211_BAND_6GHZ);
4587 else
4588 band = nla_nest_start(msg, NL80211_BAND_5GHZ);
4589 break;
4590 case HOSTAPD_MODE_IEEE80211AD:
4591 band = nla_nest_start(msg, NL80211_BAND_60GHZ);
4592 break;
4593 default:
4594 return 0;
4595 }
4596
4597 if (!band)
4598 return -1;
4599
4600 os_memset(&vht_rate, 0, sizeof(vht_rate));
4601 os_memset(&he_rate, 0, sizeof(he_rate));
4602
4603 switch (params->rate_type) {
4604 case BEACON_RATE_LEGACY:
4605 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_LEGACY)) {
4606 wpa_printf(MSG_INFO,
4607 "nl80211: Driver does not support setting Beacon frame rate (legacy)");
4608 return -1;
4609 }
4610
4611 if (nla_put_u8(msg, NL80211_TXRATE_LEGACY,
4612 (u8) (params->beacon_rate / 5)) ||
4613 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
4614 (params->freq->vht_enabled &&
4615 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4616 &vht_rate)))
4617 return -1;
4618
4619 wpa_printf(MSG_DEBUG, " * beacon_rate = legacy:%u (* 100 kbps)",
4620 params->beacon_rate);
4621 break;
4622 case BEACON_RATE_HT:
4623 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_HT)) {
4624 wpa_printf(MSG_INFO,
4625 "nl80211: Driver does not support setting Beacon frame rate (HT)");
4626 return -1;
4627 }
4628 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
4629 nla_put_u8(msg, NL80211_TXRATE_HT, params->beacon_rate) ||
4630 (params->freq->vht_enabled &&
4631 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4632 &vht_rate)))
4633 return -1;
4634 wpa_printf(MSG_DEBUG, " * beacon_rate = HT-MCS %u",
4635 params->beacon_rate);
4636 break;
4637 case BEACON_RATE_VHT:
4638 if (!(flags & WPA_DRIVER_FLAGS_BEACON_RATE_VHT)) {
4639 wpa_printf(MSG_INFO,
4640 "nl80211: Driver does not support setting Beacon frame rate (VHT)");
4641 return -1;
4642 }
4643 vht_rate.mcs[0] = BIT(params->beacon_rate);
4644 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL))
4645 return -1;
4646 if (nla_put(msg, NL80211_TXRATE_HT, 0, NULL))
4647 return -1;
4648 if (nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4649 &vht_rate))
4650 return -1;
4651 wpa_printf(MSG_DEBUG, " * beacon_rate = VHT-MCS %u",
4652 params->beacon_rate);
4653 break;
4654 case BEACON_RATE_HE:
4655 if (!(flags2 & WPA_DRIVER_FLAGS2_BEACON_RATE_HE)) {
4656 wpa_printf(MSG_INFO,
4657 "nl80211: Driver does not support setting Beacon frame rate (HE)");
4658 return -1;
4659 }
4660 he_rate.mcs[0] = BIT(params->beacon_rate);
4661 if (nla_put(msg, NL80211_TXRATE_LEGACY, 0, NULL) ||
4662 nla_put(msg, NL80211_TXRATE_HT, 0, NULL) ||
4663 nla_put(msg, NL80211_TXRATE_VHT, sizeof(vht_rate),
4664 &vht_rate) ||
4665 nla_put(msg, NL80211_TXRATE_HE, sizeof(he_rate), &he_rate))
4666 return -1;
4667 wpa_printf(MSG_DEBUG, " * beacon_rate = HE-MCS %u",
4668 params->beacon_rate);
4669 break;
4670 }
4671
4672 nla_nest_end(msg, band);
4673 nla_nest_end(msg, bands);
4674
4675 return 0;
4676 }
4677
4678
nl80211_set_multicast_to_unicast(struct i802_bss * bss,int multicast_to_unicast)4679 static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
4680 int multicast_to_unicast)
4681 {
4682 struct wpa_driver_nl80211_data *drv = bss->drv;
4683 struct nl_msg *msg;
4684 int ret;
4685
4686 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_MULTICAST_TO_UNICAST);
4687 if (!msg ||
4688 (multicast_to_unicast &&
4689 nla_put_flag(msg, NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED))) {
4690 wpa_printf(MSG_ERROR,
4691 "nl80211: Failed to build NL80211_CMD_SET_MULTICAST_TO_UNICAST msg for %s",
4692 bss->ifname);
4693 nlmsg_free(msg);
4694 return -ENOBUFS;
4695 }
4696
4697 ret = send_and_recv_cmd(drv, msg);
4698
4699 switch (ret) {
4700 case 0:
4701 wpa_printf(MSG_DEBUG,
4702 "nl80211: multicast to unicast %s on interface %s",
4703 multicast_to_unicast ? "enabled" : "disabled",
4704 bss->ifname);
4705 break;
4706 case -EOPNOTSUPP:
4707 if (!multicast_to_unicast)
4708 break;
4709 wpa_printf(MSG_INFO,
4710 "nl80211: multicast to unicast not supported on interface %s",
4711 bss->ifname);
4712 break;
4713 default:
4714 wpa_printf(MSG_ERROR,
4715 "nl80211: %s multicast to unicast failed with %d (%s) on interface %s",
4716 multicast_to_unicast ? "enabling" : "disabling",
4717 ret, strerror(-ret), bss->ifname);
4718 break;
4719 }
4720
4721 return ret;
4722 }
4723
4724
4725 #ifdef CONFIG_SAE
nl80211_put_sae_pwe(struct nl_msg * msg,enum sae_pwe pwe)4726 static int nl80211_put_sae_pwe(struct nl_msg *msg, enum sae_pwe pwe)
4727 {
4728 u8 sae_pwe;
4729
4730 wpa_printf(MSG_DEBUG, "nl802111: sae_pwe=%d", pwe);
4731 if (pwe == SAE_PWE_HUNT_AND_PECK)
4732 sae_pwe = NL80211_SAE_PWE_HUNT_AND_PECK;
4733 else if (pwe == SAE_PWE_HASH_TO_ELEMENT)
4734 sae_pwe = NL80211_SAE_PWE_HASH_TO_ELEMENT;
4735 else if (pwe == SAE_PWE_BOTH)
4736 sae_pwe = NL80211_SAE_PWE_BOTH;
4737 else if (pwe == SAE_PWE_FORCE_HUNT_AND_PECK)
4738 return 0; /* special test mode */
4739 else
4740 return -1;
4741 if (nla_put_u8(msg, NL80211_ATTR_SAE_PWE, sae_pwe))
4742 return -1;
4743
4744 return 0;
4745 }
4746 #endif /* CONFIG_SAE */
4747
4748
4749 #ifdef CONFIG_FILS
nl80211_fils_discovery(struct i802_bss * bss,struct nl_msg * msg,struct wpa_driver_ap_params * params)4750 static int nl80211_fils_discovery(struct i802_bss *bss, struct nl_msg *msg,
4751 struct wpa_driver_ap_params *params)
4752 {
4753 struct nlattr *attr;
4754
4755 if (!bss->drv->fils_discovery) {
4756 wpa_printf(MSG_ERROR,
4757 "nl80211: Driver does not support FILS Discovery frame transmission for %s",
4758 bss->ifname);
4759 return -1;
4760 }
4761
4762 attr = nla_nest_start(msg, NL80211_ATTR_FILS_DISCOVERY);
4763 if (!attr ||
4764 nla_put_u32(msg, NL80211_FILS_DISCOVERY_ATTR_INT_MIN,
4765 params->fd_min_int) ||
4766 nla_put_u32(msg, NL80211_FILS_DISCOVERY_ATTR_INT_MAX,
4767 params->fd_max_int) ||
4768 (params->fd_frame_tmpl &&
4769 nla_put(msg, NL80211_FILS_DISCOVERY_ATTR_TMPL,
4770 params->fd_frame_tmpl_len, params->fd_frame_tmpl)))
4771 return -1;
4772
4773 nla_nest_end(msg, attr);
4774 return 0;
4775 }
4776 #endif /* CONFIG_FILS */
4777
4778
4779 #ifdef CONFIG_IEEE80211AX
4780
nl80211_unsol_bcast_probe_resp(struct i802_bss * bss,struct nl_msg * msg,struct unsol_bcast_probe_resp * ubpr)4781 static int nl80211_unsol_bcast_probe_resp(struct i802_bss *bss,
4782 struct nl_msg *msg,
4783 struct unsol_bcast_probe_resp *ubpr)
4784 {
4785 struct nlattr *attr;
4786
4787 if (!bss->drv->unsol_bcast_probe_resp) {
4788 wpa_printf(MSG_ERROR,
4789 "nl80211: Driver does not support unsolicited broadcast Probe Response frame transmission for %s",
4790 bss->ifname);
4791 return -1;
4792 }
4793
4794 wpa_printf(MSG_DEBUG,
4795 "nl80211: Unsolicited broadcast Probe Response frame interval: %u",
4796 ubpr->unsol_bcast_probe_resp_interval);
4797 attr = nla_nest_start(msg, NL80211_ATTR_UNSOL_BCAST_PROBE_RESP);
4798 if (!attr ||
4799 nla_put_u32(msg, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT,
4800 ubpr->unsol_bcast_probe_resp_interval) ||
4801 (ubpr->unsol_bcast_probe_resp_tmpl &&
4802 nla_put(msg, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL,
4803 ubpr->unsol_bcast_probe_resp_tmpl_len,
4804 ubpr->unsol_bcast_probe_resp_tmpl)))
4805 return -1;
4806
4807 nla_nest_end(msg, attr);
4808 return 0;
4809 }
4810
4811
nl80211_mbssid(struct nl_msg * msg,struct wpa_driver_ap_params * params)4812 static int nl80211_mbssid(struct nl_msg *msg,
4813 struct wpa_driver_ap_params *params)
4814 {
4815 struct nlattr *config, *elems;
4816 int ifidx;
4817
4818 if (!params->mbssid_tx_iface)
4819 return 0;
4820
4821 config = nla_nest_start(msg, NL80211_ATTR_MBSSID_CONFIG);
4822 if (!config ||
4823 nla_put_u8(msg, NL80211_MBSSID_CONFIG_ATTR_INDEX,
4824 params->mbssid_index))
4825 return -1;
4826
4827 if (params->mbssid_tx_iface) {
4828 ifidx = if_nametoindex(params->mbssid_tx_iface);
4829 if (ifidx <= 0 ||
4830 nla_put_u32(msg, NL80211_MBSSID_CONFIG_ATTR_TX_IFINDEX,
4831 ifidx))
4832 return -1;
4833 }
4834
4835 if (params->ema && nla_put_flag(msg, NL80211_MBSSID_CONFIG_ATTR_EMA))
4836 return -1;
4837
4838 nla_nest_end(msg, config);
4839
4840 if (params->mbssid_elem_count && params->mbssid_elem_len &&
4841 params->mbssid_elem_offset && *params->mbssid_elem_offset) {
4842 u8 i, **offs = params->mbssid_elem_offset;
4843
4844 elems = nla_nest_start(msg, NL80211_ATTR_MBSSID_ELEMS);
4845 if (!elems)
4846 return -1;
4847
4848 for (i = 0; i < params->mbssid_elem_count - 1; i++) {
4849 if (nla_put(msg, i + 1, offs[i + 1] - offs[i], offs[i]))
4850 return -1;
4851 }
4852
4853 if (nla_put(msg, i + 1,
4854 *offs + params->mbssid_elem_len - offs[i],
4855 offs[i]))
4856 return -1;
4857
4858 nla_nest_end(msg, elems);
4859 }
4860
4861 if (!params->ema)
4862 return 0;
4863
4864 if (params->rnr_elem_count && params->rnr_elem_len &&
4865 params->rnr_elem_offset && *params->rnr_elem_offset) {
4866 u8 i, **offs = params->rnr_elem_offset;
4867
4868 elems = nla_nest_start(msg, NL80211_ATTR_EMA_RNR_ELEMS);
4869 if (!elems)
4870 return -1;
4871
4872 for (i = 0; i < params->rnr_elem_count - 1; i++) {
4873 if (nla_put(msg, i + 1, offs[i + 1] - offs[i], offs[i]))
4874 return -1;
4875 }
4876
4877 if (nla_put(msg, i + 1, *offs + params->rnr_elem_len - offs[i],
4878 offs[i]))
4879 return -1;
4880 nla_nest_end(msg, elems);
4881 }
4882
4883 return 0;
4884 }
4885
4886 #endif /* CONFIG_IEEE80211AX */
4887
4888
4889 #ifdef CONFIG_DRIVER_NL80211_QCA
qca_set_allowed_ap_freqs(struct wpa_driver_nl80211_data * drv,const int * freqs,int num_freqs,int link_id)4890 static void qca_set_allowed_ap_freqs(struct wpa_driver_nl80211_data *drv,
4891 const int *freqs, int num_freqs,
4892 int link_id)
4893 {
4894 struct nl_msg *msg;
4895 struct nlattr *params, *freqs_list;
4896 int i, ret;
4897
4898 if (!drv->set_wifi_conf_vendor_cmd_avail || !drv->qca_ap_allowed_freqs)
4899 return;
4900
4901 wpa_printf(MSG_DEBUG, "nl80211: Set AP allowed frequency list");
4902
4903 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
4904 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
4905 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
4906 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
4907 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)))
4908 goto err;
4909
4910 if (link_id != NL80211_DRV_LINK_ID_NA &&
4911 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_MLO_LINK_ID, link_id))
4912 goto err;
4913
4914 freqs_list = nla_nest_start(
4915 msg, QCA_WLAN_VENDOR_ATTR_CONFIG_AP_ALLOWED_FREQ_LIST);
4916 if (!freqs_list)
4917 goto err;
4918
4919 for (i = 0; i < num_freqs; i++) {
4920 if (nla_put_u32(msg, i, freqs[i]))
4921 goto err;
4922 }
4923
4924 nla_nest_end(msg, freqs_list);
4925 nla_nest_end(msg, params);
4926
4927 ret = send_and_recv_cmd(drv, msg);
4928 if (ret)
4929 wpa_printf(MSG_ERROR,
4930 "nl80211: Failed set AP alllowed frequency list: %d (%s)",
4931 ret, strerror(-ret));
4932
4933 return;
4934 err:
4935 nlmsg_free(msg);
4936 }
4937 #endif /* CONFIG_DRIVER_NL80211_QCA */
4938
4939
nl80211_put_freq_params(struct nl_msg * msg,const struct hostapd_freq_params * freq)4940 static int nl80211_put_freq_params(struct nl_msg *msg,
4941 const struct hostapd_freq_params *freq)
4942 {
4943 enum hostapd_hw_mode hw_mode;
4944 int is_24ghz;
4945 u8 channel;
4946
4947 wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
4948 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
4949 return -ENOBUFS;
4950
4951 wpa_printf(MSG_DEBUG, " * eht_enabled=%d", freq->eht_enabled);
4952 wpa_printf(MSG_DEBUG, " * he_enabled=%d", freq->he_enabled);
4953 wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
4954 wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
4955 wpa_printf(MSG_DEBUG, " * radar_background=%d",
4956 freq->radar_background);
4957
4958 hw_mode = ieee80211_freq_to_chan(freq->freq, &channel);
4959 is_24ghz = hw_mode == HOSTAPD_MODE_IEEE80211G ||
4960 hw_mode == HOSTAPD_MODE_IEEE80211B;
4961
4962 if (freq->vht_enabled ||
4963 ((freq->he_enabled || freq->eht_enabled) && !is_24ghz)) {
4964 enum nl80211_chan_width cw;
4965
4966 wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
4967 switch (freq->bandwidth) {
4968 case 20:
4969 cw = NL80211_CHAN_WIDTH_20;
4970 break;
4971 case 40:
4972 cw = NL80211_CHAN_WIDTH_40;
4973 break;
4974 case 80:
4975 if (freq->center_freq2)
4976 cw = NL80211_CHAN_WIDTH_80P80;
4977 else
4978 cw = NL80211_CHAN_WIDTH_80;
4979 break;
4980 case 160:
4981 cw = NL80211_CHAN_WIDTH_160;
4982 break;
4983 case 320:
4984 cw = NL80211_CHAN_WIDTH_320;
4985 break;
4986 default:
4987 return -EINVAL;
4988 }
4989
4990 wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
4991 wpa_printf(MSG_DEBUG, " * center_freq1=%d",
4992 freq->center_freq1);
4993 wpa_printf(MSG_DEBUG, " * center_freq2=%d",
4994 freq->center_freq2);
4995 if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
4996 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
4997 freq->center_freq1) ||
4998 (freq->center_freq2 &&
4999 nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2,
5000 freq->center_freq2)))
5001 return -ENOBUFS;
5002 } else if (freq->ht_enabled) {
5003 enum nl80211_channel_type ct;
5004
5005 wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
5006 freq->sec_channel_offset);
5007 switch (freq->sec_channel_offset) {
5008 case -1:
5009 ct = NL80211_CHAN_HT40MINUS;
5010 break;
5011 case 1:
5012 ct = NL80211_CHAN_HT40PLUS;
5013 break;
5014 default:
5015 ct = NL80211_CHAN_HT20;
5016 break;
5017 }
5018
5019 wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
5020 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
5021 return -ENOBUFS;
5022 } else if (freq->edmg.channels && freq->edmg.bw_config) {
5023 wpa_printf(MSG_DEBUG,
5024 " * EDMG configuration: channels=0x%x bw_config=%d",
5025 freq->edmg.channels, freq->edmg.bw_config);
5026 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
5027 freq->edmg.channels) ||
5028 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
5029 freq->edmg.bw_config))
5030 return -1;
5031 } else {
5032 wpa_printf(MSG_DEBUG, " * channel_type=%d",
5033 NL80211_CHAN_NO_HT);
5034 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
5035 NL80211_CHAN_NO_HT))
5036 return -ENOBUFS;
5037 }
5038 if (freq->radar_background &&
5039 nla_put_flag(msg, NL80211_ATTR_RADAR_BACKGROUND))
5040 return -ENOBUFS;
5041
5042 return 0;
5043 }
5044
5045
wpa_driver_nl80211_set_ap(void * priv,struct wpa_driver_ap_params * params)5046 static int wpa_driver_nl80211_set_ap(void *priv,
5047 struct wpa_driver_ap_params *params)
5048 {
5049 struct i802_bss *bss = priv;
5050 struct wpa_driver_nl80211_data *drv = bss->drv;
5051 struct i802_link *link = bss->flink;
5052 struct nl_msg *msg;
5053 u8 cmd = NL80211_CMD_NEW_BEACON;
5054 int ret = -ENOBUFS;
5055 int beacon_set;
5056 int num_suites;
5057 u32 suites[20], suite;
5058 u32 ver;
5059 #ifdef CONFIG_MESH
5060 struct wpa_driver_mesh_bss_params mesh_params;
5061 #endif /* CONFIG_MESH */
5062
5063 if (params->mld_ap) {
5064 if (!nl80211_link_valid(bss->valid_links,
5065 params->mld_link_id)) {
5066 wpa_printf(MSG_DEBUG,
5067 "nl80211: Link ID=%u invalid (valid: 0x%04x)",
5068 params->mld_link_id, bss->valid_links);
5069 return -EINVAL;
5070 }
5071
5072 link = nl80211_get_link(bss, params->mld_link_id);
5073 } else if (bss->valid_links) {
5074 wpa_printf(MSG_DEBUG, "nl80211: MLD configuration expected");
5075 return -EINVAL;
5076 }
5077
5078 beacon_set = params->reenable ? 0 : link->beacon_set;
5079
5080 wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
5081 beacon_set);
5082 if (beacon_set)
5083 cmd = NL80211_CMD_SET_BEACON;
5084 else if (!drv->device_ap_sme && !drv->use_monitor &&
5085 !nl80211_get_wiphy_data_ap(bss))
5086 return -ENOBUFS;
5087
5088 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head",
5089 params->head, params->head_len);
5090 wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail",
5091 params->tail, params->tail_len);
5092 wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex);
5093 wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int);
5094 wpa_printf(MSG_DEBUG, "nl80211: beacon_rate=%u", params->beacon_rate);
5095 wpa_printf(MSG_DEBUG, "nl80211: rate_type=%d", params->rate_type);
5096 wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period);
5097 wpa_printf(MSG_DEBUG, "nl80211: ssid=%s",
5098 wpa_ssid_txt(params->ssid, params->ssid_len));
5099 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
5100 nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len,
5101 params->head) ||
5102 nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
5103 params->tail) ||
5104 nl80211_put_beacon_int(msg, params->beacon_int) ||
5105 nl80211_put_beacon_rate(msg, drv->capa.flags, drv->capa.flags2,
5106 params) ||
5107 nl80211_put_dtim_period(msg, params->dtim_period) ||
5108 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
5109 goto fail;
5110
5111 if (params->mld_ap) {
5112 wpa_printf(MSG_DEBUG, "nl80211: link_id=%u",
5113 params->mld_link_id);
5114
5115 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
5116 params->mld_link_id))
5117 goto fail;
5118
5119 if (params->freq)
5120 nl80211_link_set_freq(bss, params->mld_link_id,
5121 params->freq->freq);
5122 }
5123
5124 if (params->proberesp && params->proberesp_len) {
5125 wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)",
5126 params->proberesp, params->proberesp_len);
5127 if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len,
5128 params->proberesp))
5129 goto fail;
5130 }
5131 switch (params->hide_ssid) {
5132 case NO_SSID_HIDING:
5133 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use");
5134 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
5135 NL80211_HIDDEN_SSID_NOT_IN_USE))
5136 goto fail;
5137 break;
5138 case HIDDEN_SSID_ZERO_LEN:
5139 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len");
5140 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
5141 NL80211_HIDDEN_SSID_ZERO_LEN))
5142 goto fail;
5143 break;
5144 case HIDDEN_SSID_ZERO_CONTENTS:
5145 wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents");
5146 if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID,
5147 NL80211_HIDDEN_SSID_ZERO_CONTENTS))
5148 goto fail;
5149 break;
5150 }
5151 wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy);
5152 if (params->privacy &&
5153 nla_put_flag(msg, NL80211_ATTR_PRIVACY))
5154 goto fail;
5155 wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs);
5156 if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) ==
5157 (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) {
5158 /* Leave out the attribute */
5159 } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) {
5160 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
5161 NL80211_AUTHTYPE_SHARED_KEY))
5162 goto fail;
5163 } else {
5164 if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE,
5165 NL80211_AUTHTYPE_OPEN_SYSTEM))
5166 goto fail;
5167 }
5168
5169 wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version);
5170 ver = 0;
5171 if (params->wpa_version & WPA_PROTO_WPA)
5172 ver |= NL80211_WPA_VERSION_1;
5173 if (params->wpa_version & WPA_PROTO_RSN)
5174 ver |= NL80211_WPA_VERSION_2;
5175 if (ver &&
5176 nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
5177 goto fail;
5178
5179 wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x",
5180 params->key_mgmt_suites);
5181 num_suites = wpa_key_mgmt_to_suites(params->key_mgmt_suites,
5182 suites, ARRAY_SIZE(suites));
5183 if ((unsigned int) num_suites > drv->capa.max_num_akms)
5184 wpa_printf(MSG_DEBUG,
5185 "nl80211: Not enough room for all AKM suites (num_suites=%d > %d)",
5186 num_suites, drv->capa.max_num_akms);
5187 else if (num_suites &&
5188 nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32),
5189 suites))
5190 goto fail;
5191
5192 if (wpa_key_mgmt_wpa_psk_no_sae(params->key_mgmt_suites) &&
5193 (drv->capa.flags2 & WPA_DRIVER_FLAGS2_4WAY_HANDSHAKE_AP_PSK) &&
5194 params->psk_len &&
5195 nla_put(msg, NL80211_ATTR_PMK, params->psk_len, params->psk))
5196 goto fail;
5197
5198 if (wpa_key_mgmt_sae(params->key_mgmt_suites) &&
5199 (drv->capa.flags2 & WPA_DRIVER_FLAGS2_SAE_OFFLOAD_AP) &&
5200 params->sae_password &&
5201 nla_put(msg, NL80211_ATTR_SAE_PASSWORD,
5202 os_strlen(params->sae_password), params->sae_password))
5203 goto fail;
5204
5205 if (nl80211_put_control_port(drv, msg) < 0)
5206 goto fail;
5207
5208 if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
5209 (!params->pairwise_ciphers ||
5210 params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) &&
5211 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
5212 goto fail;
5213
5214 if (drv->device_ap_sme) {
5215 u32 flags = 0;
5216
5217 if (params->key_mgmt_suites & (WPA_KEY_MGMT_SAE |
5218 WPA_KEY_MGMT_SAE_EXT_KEY)) {
5219 /* Add the previously used flag attribute to support
5220 * older kernel versions and the newer flag bit for
5221 * newer kernels. */
5222 if (nla_put_flag(msg,
5223 NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
5224 goto fail;
5225 flags |= NL80211_AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
5226 }
5227
5228 flags |= NL80211_AP_SETTINGS_SA_QUERY_OFFLOAD_SUPPORT;
5229
5230 if (nl80211_attr_supported(drv,
5231 NL80211_ATTR_AP_SETTINGS_FLAGS) &&
5232 nla_put_u32(msg, NL80211_ATTR_AP_SETTINGS_FLAGS, flags))
5233 goto fail;
5234 }
5235
5236 wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x",
5237 params->pairwise_ciphers);
5238 num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers,
5239 suites, ARRAY_SIZE(suites));
5240 if (num_suites &&
5241 nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
5242 num_suites * sizeof(u32), suites))
5243 goto fail;
5244
5245 wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x",
5246 params->group_cipher);
5247 suite = wpa_cipher_to_cipher_suite(params->group_cipher);
5248 if (suite &&
5249 nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite))
5250 goto fail;
5251
5252 if (params->beacon_ies) {
5253 wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies",
5254 params->beacon_ies);
5255 if (nla_put(msg, NL80211_ATTR_IE,
5256 wpabuf_len(params->beacon_ies),
5257 wpabuf_head(params->beacon_ies)))
5258 goto fail;
5259 }
5260 if (params->proberesp_ies) {
5261 wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies",
5262 params->proberesp_ies);
5263 if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
5264 wpabuf_len(params->proberesp_ies),
5265 wpabuf_head(params->proberesp_ies)))
5266 goto fail;
5267 }
5268 if (params->assocresp_ies) {
5269 wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies",
5270 params->assocresp_ies);
5271 if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
5272 wpabuf_len(params->assocresp_ies),
5273 wpabuf_head(params->assocresp_ies)))
5274 goto fail;
5275 }
5276
5277 if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) {
5278 wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d",
5279 params->ap_max_inactivity);
5280 if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT,
5281 params->ap_max_inactivity))
5282 goto fail;
5283 }
5284
5285 #ifdef CONFIG_P2P
5286 if (params->p2p_go_ctwindow > 0) {
5287 if (drv->p2p_go_ctwindow_supported) {
5288 wpa_printf(MSG_DEBUG, "nl80211: P2P GO ctwindow=%d",
5289 params->p2p_go_ctwindow);
5290 if (nla_put_u8(msg, NL80211_ATTR_P2P_CTWINDOW,
5291 params->p2p_go_ctwindow))
5292 goto fail;
5293 } else {
5294 wpa_printf(MSG_INFO,
5295 "nl80211: Driver does not support CTWindow configuration - ignore this parameter");
5296 }
5297 }
5298 #endif /* CONFIG_P2P */
5299
5300 if (params->pbss) {
5301 wpa_printf(MSG_DEBUG, "nl80211: PBSS");
5302 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
5303 goto fail;
5304 }
5305
5306 if (params->ftm_responder) {
5307 struct nlattr *ftm;
5308
5309 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_FTM_RESPONDER)) {
5310 ret = -ENOTSUP;
5311 goto fail;
5312 }
5313
5314 ftm = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER);
5315 if (!ftm ||
5316 nla_put_flag(msg, NL80211_FTM_RESP_ATTR_ENABLED) ||
5317 (params->lci &&
5318 nla_put(msg, NL80211_FTM_RESP_ATTR_LCI,
5319 wpabuf_len(params->lci),
5320 wpabuf_head(params->lci))) ||
5321 (params->civic &&
5322 nla_put(msg, NL80211_FTM_RESP_ATTR_CIVICLOC,
5323 wpabuf_len(params->civic),
5324 wpabuf_head(params->civic))))
5325 goto fail;
5326 nla_nest_end(msg, ftm);
5327 }
5328
5329 if (params->freq && nl80211_put_freq_params(msg, params->freq) < 0)
5330 goto fail;
5331
5332 #ifdef CONFIG_IEEE80211AX
5333 if (params->he_spr_ctrl) {
5334 struct nlattr *spr;
5335
5336 spr = nla_nest_start(msg, NL80211_ATTR_HE_OBSS_PD);
5337 wpa_printf(MSG_DEBUG, "nl80211: he_spr_ctrl=0x%x",
5338 params->he_spr_ctrl);
5339
5340 if (!spr ||
5341 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_SR_CTRL,
5342 params->he_spr_ctrl) ||
5343 ((params->he_spr_ctrl &
5344 SPATIAL_REUSE_NON_SRG_OFFSET_PRESENT) &&
5345 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET,
5346 params->he_spr_non_srg_obss_pd_max_offset)))
5347 goto fail;
5348
5349 if ((params->he_spr_ctrl &
5350 SPATIAL_REUSE_SRG_INFORMATION_PRESENT) &&
5351 (nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
5352 params->he_spr_srg_obss_pd_min_offset) ||
5353 nla_put_u8(msg, NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
5354 params->he_spr_srg_obss_pd_max_offset) ||
5355 nla_put(msg, NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP,
5356 sizeof(params->he_spr_bss_color_bitmap),
5357 params->he_spr_bss_color_bitmap) ||
5358 nla_put(msg, NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP,
5359 sizeof(params->he_spr_partial_bssid_bitmap),
5360 params->he_spr_partial_bssid_bitmap)))
5361 goto fail;
5362
5363 nla_nest_end(msg, spr);
5364 }
5365
5366 if (params->freq && params->freq->he_enabled &&
5367 nl80211_attr_supported(drv, NL80211_ATTR_HE_BSS_COLOR)) {
5368 struct nlattr *bss_color;
5369
5370 bss_color = nla_nest_start(msg, NL80211_ATTR_HE_BSS_COLOR);
5371 if (!bss_color ||
5372 (params->he_bss_color_disabled &&
5373 nla_put_flag(msg, NL80211_HE_BSS_COLOR_ATTR_DISABLED)) ||
5374 (params->he_bss_color_partial &&
5375 nla_put_flag(msg, NL80211_HE_BSS_COLOR_ATTR_PARTIAL)) ||
5376 nla_put_u8(msg, NL80211_HE_BSS_COLOR_ATTR_COLOR,
5377 params->he_bss_color))
5378 goto fail;
5379 nla_nest_end(msg, bss_color);
5380 }
5381
5382 if (params->twt_responder) {
5383 wpa_printf(MSG_DEBUG, "nl80211: twt_responder=%d",
5384 params->twt_responder);
5385 if (nla_put_flag(msg, NL80211_ATTR_TWT_RESPONDER))
5386 goto fail;
5387 }
5388
5389 if (params->ubpr.unsol_bcast_probe_resp_interval &&
5390 nl80211_unsol_bcast_probe_resp(bss, msg, ¶ms->ubpr) < 0)
5391 goto fail;
5392
5393 if (nl80211_mbssid(msg, params) < 0)
5394 goto fail;
5395 #endif /* CONFIG_IEEE80211AX */
5396
5397 #ifdef CONFIG_SAE
5398 if (wpa_key_mgmt_sae(params->key_mgmt_suites) &&
5399 nl80211_put_sae_pwe(msg, params->sae_pwe) < 0)
5400 goto fail;
5401 #endif /* CONFIG_SAE */
5402
5403 #ifdef CONFIG_FILS
5404 if (params->fd_max_int && nl80211_fils_discovery(bss, msg, params) < 0)
5405 goto fail;
5406 #endif /* CONFIG_FILS */
5407
5408 if (params->punct_bitmap) {
5409 wpa_printf(MSG_DEBUG, "nl80211: Puncturing bitmap=0x%04x",
5410 params->punct_bitmap);
5411 if (nla_put_u32(msg, NL80211_ATTR_PUNCT_BITMAP,
5412 params->punct_bitmap))
5413 goto fail;
5414 }
5415
5416 #ifdef CONFIG_DRIVER_NL80211_QCA
5417 if (cmd == NL80211_CMD_NEW_BEACON && params->allowed_freqs)
5418 qca_set_allowed_ap_freqs(drv, params->allowed_freqs,
5419 int_array_len(params->allowed_freqs),
5420 params->mld_ap ? params->mld_link_id :
5421 NL80211_DRV_LINK_ID_NA);
5422 #endif /* CONFIG_DRIVER_NL80211_QCA */
5423
5424 if (nla_put_flag(msg, NL80211_ATTR_SOCKET_OWNER))
5425 goto fail;
5426 ret = send_and_recv(drv->global, bss->nl_connect, msg, NULL, NULL, NULL,
5427 NULL, NULL);
5428 if (ret) {
5429 wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
5430 ret, strerror(-ret));
5431 } else {
5432 link->beacon_set = 1;
5433 nl80211_set_bss(bss, params->cts_protect, params->preamble,
5434 params->short_slot_time, params->ht_opmode,
5435 params->isolate, params->basic_rates,
5436 params->mld_ap ? params->mld_link_id :
5437 NL80211_DRV_LINK_ID_NA);
5438 nl80211_set_multicast_to_unicast(bss,
5439 params->multicast_to_unicast);
5440 if (beacon_set && params->freq &&
5441 params->freq->bandwidth != link->bandwidth) {
5442 wpa_printf(MSG_DEBUG,
5443 "nl80211: Update BSS %s bandwidth: %d -> %d",
5444 bss->ifname, link->bandwidth,
5445 params->freq->bandwidth);
5446 ret = nl80211_set_channel(bss, params->freq, 1);
5447 if (ret) {
5448 wpa_printf(MSG_DEBUG,
5449 "nl80211: Frequency set failed: %d (%s)",
5450 ret, strerror(-ret));
5451 } else {
5452 wpa_printf(MSG_DEBUG,
5453 "nl80211: Frequency set succeeded for ht2040 coex");
5454 link->bandwidth = params->freq->bandwidth;
5455 }
5456 } else if (!beacon_set && params->freq) {
5457 /*
5458 * cfg80211 updates the driver on frequence change in AP
5459 * mode only at the point when beaconing is started, so
5460 * set the initial value here.
5461 */
5462 link->bandwidth = params->freq->bandwidth;
5463 }
5464 }
5465
5466 #ifdef CONFIG_MESH
5467 if (is_mesh_interface(drv->nlmode) && params->ht_opmode != -1) {
5468 os_memset(&mesh_params, 0, sizeof(mesh_params));
5469 mesh_params.flags |= WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE;
5470 mesh_params.ht_opmode = params->ht_opmode;
5471 ret = nl80211_set_mesh_config(priv, &mesh_params);
5472 if (ret < 0)
5473 return ret;
5474 }
5475 #endif /* CONFIG_MESH */
5476
5477 return ret;
5478 fail:
5479 nlmsg_free(msg);
5480 return ret;
5481 }
5482
5483
nl80211_set_channel(struct i802_bss * bss,struct hostapd_freq_params * freq,int set_chan)5484 static int nl80211_set_channel(struct i802_bss *bss,
5485 struct hostapd_freq_params *freq, int set_chan)
5486 {
5487 struct wpa_driver_nl80211_data *drv = bss->drv;
5488 struct nl_msg *msg;
5489 int ret;
5490
5491 wpa_printf(MSG_DEBUG,
5492 "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, eht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
5493 freq->freq, freq->ht_enabled, freq->vht_enabled,
5494 freq->he_enabled, freq->eht_enabled, freq->bandwidth,
5495 freq->center_freq1, freq->center_freq2);
5496
5497 msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL :
5498 NL80211_CMD_SET_WIPHY);
5499 if (!msg || nl80211_put_freq_params(msg, freq) < 0) {
5500 nlmsg_free(msg);
5501 return -1;
5502 }
5503
5504 if (nl80211_link_valid(bss->valid_links, freq->link_id)) {
5505 wpa_printf(MSG_DEBUG, "nl80211: Set link_id=%u for freq",
5506 freq->link_id);
5507
5508 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, freq->link_id)) {
5509 nlmsg_free(msg);
5510 return -ENOBUFS;
5511 }
5512 }
5513
5514 ret = send_and_recv_cmd(drv, msg);
5515 if (ret == 0) {
5516 nl80211_link_set_freq(bss, freq->link_id, freq->freq);
5517 return 0;
5518 }
5519 wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
5520 "%d (%s)", freq->freq, ret, strerror(-ret));
5521 return -1;
5522 }
5523
5524
sta_flags_nl80211(int flags)5525 static u32 sta_flags_nl80211(int flags)
5526 {
5527 u32 f = 0;
5528
5529 if (flags & WPA_STA_AUTHORIZED)
5530 f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
5531 if (flags & WPA_STA_WMM)
5532 f |= BIT(NL80211_STA_FLAG_WME);
5533 if (flags & WPA_STA_SHORT_PREAMBLE)
5534 f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
5535 if (flags & WPA_STA_MFP)
5536 f |= BIT(NL80211_STA_FLAG_MFP);
5537 if (flags & WPA_STA_TDLS_PEER)
5538 f |= BIT(NL80211_STA_FLAG_TDLS_PEER);
5539 if (flags & WPA_STA_AUTHENTICATED)
5540 f |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
5541 if (flags & WPA_STA_ASSOCIATED)
5542 f |= BIT(NL80211_STA_FLAG_ASSOCIATED);
5543
5544 return f;
5545 }
5546
5547
5548 #ifdef CONFIG_MESH
sta_plink_state_nl80211(enum mesh_plink_state state)5549 static u32 sta_plink_state_nl80211(enum mesh_plink_state state)
5550 {
5551 switch (state) {
5552 case PLINK_IDLE:
5553 return NL80211_PLINK_LISTEN;
5554 case PLINK_OPN_SNT:
5555 return NL80211_PLINK_OPN_SNT;
5556 case PLINK_OPN_RCVD:
5557 return NL80211_PLINK_OPN_RCVD;
5558 case PLINK_CNF_RCVD:
5559 return NL80211_PLINK_CNF_RCVD;
5560 case PLINK_ESTAB:
5561 return NL80211_PLINK_ESTAB;
5562 case PLINK_HOLDING:
5563 return NL80211_PLINK_HOLDING;
5564 case PLINK_BLOCKED:
5565 return NL80211_PLINK_BLOCKED;
5566 default:
5567 wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d",
5568 state);
5569 }
5570 return -1;
5571 }
5572 #endif /* CONFIG_MESH */
5573
5574
wpa_driver_nl80211_sta_add(void * priv,struct hostapd_sta_add_params * params)5575 static int wpa_driver_nl80211_sta_add(void *priv,
5576 struct hostapd_sta_add_params *params)
5577 {
5578 struct i802_bss *bss = priv;
5579 struct wpa_driver_nl80211_data *drv = bss->drv;
5580 struct nl_msg *msg;
5581 struct nl80211_sta_flag_update upd;
5582 int ret = -ENOBUFS;
5583 u8 cmd;
5584 const char *cmd_string;
5585
5586 if ((params->flags & WPA_STA_TDLS_PEER) &&
5587 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
5588 return -EOPNOTSUPP;
5589
5590 if (params->mld_link_sta) {
5591 cmd = params->set ? NL80211_CMD_MODIFY_LINK_STA :
5592 NL80211_CMD_ADD_LINK_STA;
5593 cmd_string = params->set ? "NL80211_CMD_MODIFY_LINK_STA" :
5594 "NL80211_CMD_ADD_LINK_STA";
5595 } else {
5596 cmd = params->set ? NL80211_CMD_SET_STATION :
5597 NL80211_CMD_NEW_STATION;
5598 cmd_string = params->set ? "NL80211_CMD_SET_STATION" :
5599 "NL80211_CMD_NEW_STATION";
5600 }
5601
5602 wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR,
5603 cmd_string, MAC2STR(params->addr));
5604 msg = nl80211_bss_msg(bss, 0, cmd);
5605 if (!msg)
5606 goto fail;
5607
5608 /*
5609 * Set the below properties only in one of the following cases:
5610 * 1. New station is added, already associated.
5611 * 2. Set WPA_STA_TDLS_PEER station.
5612 * 3. Set an already added unassociated station, if driver supports
5613 * full AP client state. (Set these properties after station became
5614 * associated will be rejected by the driver).
5615 */
5616 if (!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
5617 (params->set && FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
5618 (params->flags & WPA_STA_ASSOCIATED))) {
5619 wpa_hexdump(MSG_DEBUG, " * supported rates",
5620 params->supp_rates, params->supp_rates_len);
5621 wpa_printf(MSG_DEBUG, " * capability=0x%x",
5622 params->capability);
5623 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES,
5624 params->supp_rates_len, params->supp_rates) ||
5625 nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY,
5626 params->capability))
5627 goto fail;
5628
5629 if (params->ht_capabilities) {
5630 wpa_hexdump(MSG_DEBUG, " * ht_capabilities",
5631 (u8 *) params->ht_capabilities,
5632 sizeof(*params->ht_capabilities));
5633 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY,
5634 sizeof(*params->ht_capabilities),
5635 params->ht_capabilities))
5636 goto fail;
5637 }
5638
5639 if (params->vht_capabilities) {
5640 wpa_hexdump(MSG_DEBUG, " * vht_capabilities",
5641 (u8 *) params->vht_capabilities,
5642 sizeof(*params->vht_capabilities));
5643 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY,
5644 sizeof(*params->vht_capabilities),
5645 params->vht_capabilities))
5646 goto fail;
5647 }
5648
5649 if (params->he_capab) {
5650 wpa_hexdump(MSG_DEBUG, " * he_capab",
5651 params->he_capab, params->he_capab_len);
5652 if (nla_put(msg, NL80211_ATTR_HE_CAPABILITY,
5653 params->he_capab_len, params->he_capab))
5654 goto fail;
5655 }
5656
5657 if (params->he_6ghz_capab) {
5658 wpa_hexdump(MSG_DEBUG, " * he_6ghz_capab",
5659 params->he_6ghz_capab,
5660 sizeof(*params->he_6ghz_capab));
5661 if (nla_put(msg, NL80211_ATTR_HE_6GHZ_CAPABILITY,
5662 sizeof(*params->he_6ghz_capab),
5663 params->he_6ghz_capab))
5664 goto fail;
5665 }
5666
5667 if (params->eht_capab) {
5668 wpa_hexdump(MSG_DEBUG, " * eht_capab",
5669 params->eht_capab, params->eht_capab_len);
5670 if (nla_put(msg, NL80211_ATTR_EHT_CAPABILITY,
5671 params->eht_capab_len, params->eht_capab))
5672 goto fail;
5673 }
5674
5675 if (params->ext_capab) {
5676 wpa_hexdump(MSG_DEBUG, " * ext_capab",
5677 params->ext_capab, params->ext_capab_len);
5678 if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY,
5679 params->ext_capab_len, params->ext_capab))
5680 goto fail;
5681 }
5682
5683 if (is_ap_interface(drv->nlmode) &&
5684 nla_put_u8(msg, NL80211_ATTR_STA_SUPPORT_P2P_PS,
5685 params->support_p2p_ps ?
5686 NL80211_P2P_PS_SUPPORTED :
5687 NL80211_P2P_PS_UNSUPPORTED))
5688 goto fail;
5689 }
5690 if (!params->set) {
5691 if (params->aid) {
5692 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
5693 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid))
5694 goto fail;
5695 } else {
5696 /*
5697 * cfg80211 validates that AID is non-zero, so we have
5698 * to make this a non-zero value for the TDLS case where
5699 * a stub STA entry is used for now and for a station
5700 * that is still not associated.
5701 */
5702 wpa_printf(MSG_DEBUG, " * aid=1 (%s workaround)",
5703 (params->flags & WPA_STA_TDLS_PEER) ?
5704 "TDLS" : "UNASSOC_STA");
5705 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1))
5706 goto fail;
5707 }
5708 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
5709 params->listen_interval);
5710 if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
5711 params->listen_interval))
5712 goto fail;
5713 } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) {
5714 wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid);
5715 if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid))
5716 goto fail;
5717 } else if (FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags) &&
5718 (params->flags & WPA_STA_ASSOCIATED)) {
5719 wpa_printf(MSG_DEBUG, " * aid=%u", params->aid);
5720 wpa_printf(MSG_DEBUG, " * listen_interval=%u",
5721 params->listen_interval);
5722 if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid) ||
5723 nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL,
5724 params->listen_interval))
5725 goto fail;
5726 }
5727
5728 if (params->vht_opmode_enabled) {
5729 wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode);
5730 if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF,
5731 params->vht_opmode))
5732 goto fail;
5733 }
5734
5735 if (params->supp_channels) {
5736 wpa_hexdump(MSG_DEBUG, " * supported channels",
5737 params->supp_channels, params->supp_channels_len);
5738 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS,
5739 params->supp_channels_len, params->supp_channels))
5740 goto fail;
5741 }
5742
5743 if (params->supp_oper_classes) {
5744 wpa_hexdump(MSG_DEBUG, " * supported operating classes",
5745 params->supp_oper_classes,
5746 params->supp_oper_classes_len);
5747 if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES,
5748 params->supp_oper_classes_len,
5749 params->supp_oper_classes))
5750 goto fail;
5751 }
5752
5753 os_memset(&upd, 0, sizeof(upd));
5754 upd.set = sta_flags_nl80211(params->flags);
5755 upd.mask = upd.set | sta_flags_nl80211(params->flags_mask);
5756
5757 /*
5758 * If the driver doesn't support full AP client state, ignore ASSOC/AUTH
5759 * flags, as nl80211 driver moves a new station, by default, into
5760 * associated state.
5761 *
5762 * On the other hand, if the driver supports that feature and the
5763 * station is added in unauthenticated state, set the
5764 * authenticated/associated bits in the mask to prevent moving this
5765 * station to associated state before it is actually associated.
5766 *
5767 * This is irrelevant for mesh mode where the station is added to the
5768 * driver as authenticated already, and ASSOCIATED isn't part of the
5769 * nl80211 API.
5770 */
5771 if (!is_mesh_interface(drv->nlmode)) {
5772 if (!FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) {
5773 wpa_printf(MSG_DEBUG,
5774 "nl80211: Ignore ASSOC/AUTH flags since driver doesn't support full AP client state");
5775 upd.mask &= ~(BIT(NL80211_STA_FLAG_ASSOCIATED) |
5776 BIT(NL80211_STA_FLAG_AUTHENTICATED));
5777 } else if (!params->set &&
5778 !(params->flags & WPA_STA_TDLS_PEER)) {
5779 if (!(params->flags & WPA_STA_AUTHENTICATED))
5780 upd.mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED);
5781 if (!(params->flags & WPA_STA_ASSOCIATED))
5782 upd.mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
5783 }
5784 #ifdef CONFIG_MESH
5785 } else {
5786 if (params->plink_state == PLINK_ESTAB && params->peer_aid) {
5787 ret = nla_put_u16(msg, NL80211_ATTR_MESH_PEER_AID,
5788 params->peer_aid);
5789 if (ret)
5790 goto fail;
5791 }
5792 #endif /* CONFIG_MESH */
5793 }
5794
5795 wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x",
5796 upd.set, upd.mask);
5797 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
5798 goto fail;
5799
5800 #ifdef CONFIG_MESH
5801 if (params->plink_state &&
5802 nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE,
5803 sta_plink_state_nl80211(params->plink_state)))
5804 goto fail;
5805 #endif /* CONFIG_MESH */
5806
5807 if ((!params->set || (params->flags & WPA_STA_TDLS_PEER) ||
5808 FULL_AP_CLIENT_STATE_SUPP(drv->capa.flags)) &&
5809 (params->flags & WPA_STA_WMM)) {
5810 struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME);
5811
5812 wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo);
5813 if (!wme ||
5814 nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES,
5815 params->qosinfo & WMM_QOSINFO_STA_AC_MASK) ||
5816 nla_put_u8(msg, NL80211_STA_WME_MAX_SP,
5817 (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) &
5818 WMM_QOSINFO_STA_SP_MASK))
5819 goto fail;
5820 nla_nest_end(msg, wme);
5821 }
5822
5823 /* In case we are an AP MLD need to always specify the link ID */
5824 if (params->mld_link_id >= 0) {
5825 wpa_printf(MSG_DEBUG, " * mld_link_id=%d",
5826 params->mld_link_id);
5827 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
5828 params->mld_link_id))
5829 goto fail;
5830
5831 /*
5832 * If the link address is specified the station is a non-AP MLD
5833 * and thus need to provide the MLD address as the station
5834 * address, and the non-AP MLD link address as the link address.
5835 */
5836 if (params->mld_link_addr) {
5837 wpa_printf(MSG_DEBUG, " * mld_link_addr=" MACSTR,
5838 MAC2STR(params->mld_link_addr));
5839
5840 if (nla_put(msg, NL80211_ATTR_MLD_ADDR,
5841 ETH_ALEN, params->addr) ||
5842 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
5843 params->mld_link_addr))
5844 goto fail;
5845 } else {
5846 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
5847 params->addr))
5848 goto fail;
5849 }
5850 } else {
5851 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr))
5852 goto fail;
5853 }
5854
5855 ret = send_and_recv_cmd(drv, msg);
5856 msg = NULL;
5857 if (ret)
5858 wpa_printf(MSG_DEBUG, "nl80211: %s result: %d (%s)",
5859 cmd_string, ret, strerror(-ret));
5860 if (ret == -EEXIST)
5861 ret = 0;
5862 fail:
5863 nlmsg_free(msg);
5864 return ret;
5865 }
5866
5867
rtnl_neigh_delete_fdb_entry(struct i802_bss * bss,const u8 * addr)5868 static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr)
5869 {
5870 struct wpa_driver_nl80211_data *drv = bss->drv;
5871 struct ndmsg nhdr = {
5872 .ndm_state = NUD_PERMANENT,
5873 .ndm_ifindex = bss->ifindex,
5874 .ndm_family = AF_BRIDGE,
5875 };
5876 struct nl_msg *msg;
5877 int err;
5878
5879 msg = nlmsg_alloc_simple(RTM_DELNEIGH, NLM_F_CREATE);
5880 if (!msg)
5881 return;
5882
5883 if (nlmsg_append(msg, &nhdr, sizeof(nhdr), NLMSG_ALIGNTO) < 0 ||
5884 nla_put(msg, NDA_LLADDR, ETH_ALEN, (void *) addr) ||
5885 nl_send_auto_complete(drv->rtnl_sk, msg) < 0)
5886 goto errout;
5887
5888 err = nl_wait_for_ack(drv->rtnl_sk);
5889 if (err < 0) {
5890 wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for "
5891 MACSTR " ifindex=%d failed: %s", MAC2STR(addr),
5892 bss->ifindex, nl_geterror(err));
5893 } else {
5894 wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for "
5895 MACSTR, MAC2STR(addr));
5896 }
5897
5898 errout:
5899 nlmsg_free(msg);
5900 }
5901
5902
wpa_driver_nl80211_sta_remove(struct i802_bss * bss,const u8 * addr,int deauth,u16 reason_code)5903 static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
5904 int deauth, u16 reason_code)
5905 {
5906 struct wpa_driver_nl80211_data *drv = bss->drv;
5907 struct nl_msg *msg;
5908 int ret;
5909
5910 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) ||
5911 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
5912 (deauth == 0 &&
5913 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
5914 WLAN_FC_STYPE_DISASSOC)) ||
5915 (deauth == 1 &&
5916 nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE,
5917 WLAN_FC_STYPE_DEAUTH)) ||
5918 (reason_code &&
5919 nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) {
5920 nlmsg_free(msg);
5921 return -ENOBUFS;
5922 }
5923
5924 ret = send_and_recv_cmd(drv, msg);
5925 wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
5926 " --> %d (%s)",
5927 bss->ifname, MAC2STR(addr), ret, strerror(-ret));
5928
5929 if (drv->rtnl_sk)
5930 rtnl_neigh_delete_fdb_entry(bss, addr);
5931
5932 if (ret == -ENOENT)
5933 return 0;
5934 return ret;
5935 }
5936
5937
nl80211_remove_iface(struct wpa_driver_nl80211_data * drv,int ifidx)5938 void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
5939 {
5940 struct nl_msg *msg;
5941 struct wpa_driver_nl80211_data *drv2;
5942
5943 wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx);
5944
5945 /* stop listening for EAPOL on this interface */
5946 dl_list_for_each(drv2, &drv->global->interfaces,
5947 struct wpa_driver_nl80211_data, list)
5948 {
5949 del_ifidx(drv2, ifidx, IFIDX_ANY);
5950 /* Remove all bridges learned for this iface */
5951 del_ifidx(drv2, IFIDX_ANY, ifidx);
5952 }
5953
5954 msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
5955 if (send_and_recv_cmd(drv, msg) == 0)
5956 return;
5957 wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
5958 }
5959
5960
nl80211_iftype_str(enum nl80211_iftype mode)5961 const char * nl80211_iftype_str(enum nl80211_iftype mode)
5962 {
5963 switch (mode) {
5964 case NL80211_IFTYPE_ADHOC:
5965 return "ADHOC";
5966 case NL80211_IFTYPE_STATION:
5967 return "STATION";
5968 case NL80211_IFTYPE_AP:
5969 return "AP";
5970 case NL80211_IFTYPE_AP_VLAN:
5971 return "AP_VLAN";
5972 case NL80211_IFTYPE_WDS:
5973 return "WDS";
5974 case NL80211_IFTYPE_MONITOR:
5975 return "MONITOR";
5976 case NL80211_IFTYPE_MESH_POINT:
5977 return "MESH_POINT";
5978 case NL80211_IFTYPE_P2P_CLIENT:
5979 return "P2P_CLIENT";
5980 case NL80211_IFTYPE_P2P_GO:
5981 return "P2P_GO";
5982 case NL80211_IFTYPE_P2P_DEVICE:
5983 return "P2P_DEVICE";
5984 case NL80211_IFTYPE_OCB:
5985 return "OCB";
5986 case NL80211_IFTYPE_NAN:
5987 return "NAN";
5988 default:
5989 return "unknown";
5990 }
5991 }
5992
5993
nl80211_create_iface_once(struct wpa_driver_nl80211_data * drv,const char * ifname,enum nl80211_iftype iftype,const u8 * addr,int wds,int (* handler)(struct nl_msg *,void *),void * arg)5994 static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
5995 const char *ifname,
5996 enum nl80211_iftype iftype,
5997 const u8 *addr, int wds,
5998 int (*handler)(struct nl_msg *, void *),
5999 void *arg)
6000 {
6001 struct nl_msg *msg;
6002 int ifidx;
6003 int ret = -ENOBUFS;
6004
6005 wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)",
6006 iftype, nl80211_iftype_str(iftype));
6007
6008 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE);
6009 if (!msg ||
6010 nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) ||
6011 nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype))
6012 goto fail;
6013
6014 if (iftype == NL80211_IFTYPE_MONITOR) {
6015 struct nlattr *flags;
6016
6017 flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS);
6018 if (!flags ||
6019 nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES))
6020 goto fail;
6021
6022 nla_nest_end(msg, flags);
6023 } else if (wds) {
6024 if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds))
6025 goto fail;
6026 }
6027
6028 /*
6029 * Tell cfg80211 that the interface belongs to the socket that created
6030 * it, and the interface should be deleted when the socket is closed.
6031 */
6032 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
6033 goto fail;
6034
6035 if ((addr && iftype == NL80211_IFTYPE_P2P_DEVICE) &&
6036 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
6037 goto fail;
6038
6039 ret = send_and_recv_resp(drv, msg, handler, arg);
6040 msg = NULL;
6041 if (ret) {
6042 fail:
6043 nlmsg_free(msg);
6044 wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)",
6045 ifname, ret, strerror(-ret));
6046 return ret;
6047 }
6048
6049 if (iftype == NL80211_IFTYPE_P2P_DEVICE)
6050 return 0;
6051
6052 ifidx = if_nametoindex(ifname);
6053 wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d",
6054 ifname, ifidx);
6055
6056 if (ifidx <= 0)
6057 return -1;
6058
6059 /*
6060 * Some virtual interfaces need to process EAPOL packets and events on
6061 * the parent interface. This is used mainly with hostapd.
6062 */
6063 if (drv->hostapd ||
6064 iftype == NL80211_IFTYPE_AP_VLAN ||
6065 iftype == NL80211_IFTYPE_WDS ||
6066 iftype == NL80211_IFTYPE_MONITOR) {
6067 /* start listening for EAPOL on this interface */
6068 add_ifidx(drv, ifidx, IFIDX_ANY);
6069 }
6070
6071 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
6072 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) {
6073 nl80211_remove_iface(drv, ifidx);
6074 return -1;
6075 }
6076
6077 return ifidx;
6078 }
6079
6080
nl80211_create_iface(struct wpa_driver_nl80211_data * drv,const char * ifname,enum nl80211_iftype iftype,const u8 * addr,int wds,int (* handler)(struct nl_msg *,void *),void * arg,int use_existing)6081 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
6082 const char *ifname, enum nl80211_iftype iftype,
6083 const u8 *addr, int wds,
6084 int (*handler)(struct nl_msg *, void *),
6085 void *arg, int use_existing)
6086 {
6087 int ret;
6088
6089 ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler,
6090 arg);
6091
6092 /* if error occurred and interface exists already */
6093 if (ret == -ENFILE && if_nametoindex(ifname)) {
6094 if (use_existing) {
6095 wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s",
6096 ifname);
6097 if (addr && iftype != NL80211_IFTYPE_MONITOR &&
6098 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
6099 addr) < 0 &&
6100 (linux_set_iface_flags(drv->global->ioctl_sock,
6101 ifname, 0) < 0 ||
6102 linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
6103 addr) < 0 ||
6104 linux_set_iface_flags(drv->global->ioctl_sock,
6105 ifname, 1) < 0))
6106 return -1;
6107 return -ENFILE;
6108 }
6109 wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname);
6110
6111 /* Try to remove the interface that was already there. */
6112 nl80211_remove_iface(drv, if_nametoindex(ifname));
6113
6114 /* Try to create the interface again */
6115 ret = nl80211_create_iface_once(drv, ifname, iftype, addr,
6116 wds, handler, arg);
6117 }
6118
6119 if (ret >= 0 && is_p2p_net_interface(iftype)) {
6120 wpa_printf(MSG_DEBUG,
6121 "nl80211: Interface %s created for P2P - disable 11b rates",
6122 ifname);
6123 nl80211_disable_11b_rates(drv, ret, 1);
6124 }
6125
6126 return ret;
6127 }
6128
6129
nl80211_setup_ap(struct i802_bss * bss)6130 static int nl80211_setup_ap(struct i802_bss *bss)
6131 {
6132 struct wpa_driver_nl80211_data *drv = bss->drv;
6133
6134 wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d",
6135 bss->ifname, drv->device_ap_sme, drv->use_monitor);
6136
6137 /*
6138 * Disable Probe Request reporting unless we need it in this way for
6139 * devices that include the AP SME, in the other case (unless using
6140 * monitor iface) we'll get it through the nl_mgmt socket instead.
6141 */
6142 if (!drv->device_ap_sme)
6143 wpa_driver_nl80211_probe_req_report(bss, 0);
6144
6145 if (!drv->device_ap_sme && !drv->use_monitor)
6146 if (nl80211_mgmt_subscribe_ap(bss))
6147 return -1;
6148
6149 if (drv->device_ap_sme && !drv->use_monitor)
6150 if (nl80211_mgmt_subscribe_ap_dev_sme(bss))
6151 wpa_printf(MSG_DEBUG,
6152 "nl80211: Failed to subscribe for mgmt frames from SME driver - trying to run without it");
6153
6154 if (!drv->device_ap_sme && drv->use_monitor &&
6155 nl80211_create_monitor_interface(drv) &&
6156 !drv->device_ap_sme)
6157 return -1;
6158
6159 if (drv->device_ap_sme &&
6160 wpa_driver_nl80211_probe_req_report(bss, 1) < 0) {
6161 wpa_printf(MSG_DEBUG, "nl80211: Failed to enable "
6162 "Probe Request frame reporting in AP mode");
6163 /* Try to survive without this */
6164 }
6165
6166 return 0;
6167 }
6168
6169
nl80211_teardown_ap(struct i802_bss * bss)6170 static void nl80211_teardown_ap(struct i802_bss *bss)
6171 {
6172 struct wpa_driver_nl80211_data *drv = bss->drv;
6173
6174 wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d",
6175 bss->ifname, drv->device_ap_sme, drv->use_monitor);
6176 if (drv->device_ap_sme) {
6177 wpa_driver_nl80211_probe_req_report(bss, 0);
6178 if (!drv->use_monitor)
6179 nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)");
6180 } else if (drv->use_monitor)
6181 nl80211_remove_monitor_interface(drv);
6182 else
6183 nl80211_mgmt_unsubscribe(bss, "AP teardown");
6184
6185 nl80211_put_wiphy_data_ap(bss);
6186 if (bss->flink)
6187 bss->flink->beacon_set = 0;
6188 }
6189
6190
nl80211_tx_control_port(void * priv,const u8 * dest,u16 proto,const u8 * buf,size_t len,int no_encrypt,int link_id)6191 static int nl80211_tx_control_port(void *priv, const u8 *dest,
6192 u16 proto, const u8 *buf, size_t len,
6193 int no_encrypt, int link_id)
6194 {
6195 struct nl80211_ack_ext_arg ext_arg;
6196 struct i802_bss *bss = priv;
6197 struct nl_msg *msg;
6198 u64 cookie = 0;
6199 int ret;
6200
6201 wpa_printf(MSG_DEBUG,
6202 "nl80211: Send over control port dest=" MACSTR
6203 " proto=0x%04x len=%u no_encrypt=%d",
6204 MAC2STR(dest), proto, (unsigned int) len, no_encrypt);
6205
6206 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CONTROL_PORT_FRAME);
6207 if (!msg ||
6208 nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) ||
6209 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dest) ||
6210 nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
6211 (no_encrypt &&
6212 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)) ||
6213 (link_id != NL80211_DRV_LINK_ID_NA &&
6214 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))) {
6215 nlmsg_free(msg);
6216 return -ENOBUFS;
6217 }
6218
6219 os_memset(&ext_arg, 0, sizeof(struct nl80211_ack_ext_arg));
6220 ext_arg.ext_data = &cookie;
6221 ret = send_and_recv(bss->drv->global, bss->drv->global->nl, msg,
6222 NULL, NULL, ack_handler_cookie, &ext_arg, NULL);
6223 if (ret) {
6224 wpa_printf(MSG_DEBUG,
6225 "nl80211: tx_control_port failed: ret=%d (%s)",
6226 ret, strerror(-ret));
6227 } else {
6228 struct wpa_driver_nl80211_data *drv = bss->drv;
6229
6230 wpa_printf(MSG_DEBUG,
6231 "nl80211: tx_control_port cookie=0x%llx",
6232 (long long unsigned int) cookie);
6233 drv->eapol_tx_cookie = cookie;
6234 drv->eapol_tx_link_id = link_id;
6235 }
6236
6237 return ret;
6238 }
6239
6240
nl80211_send_eapol_data(struct i802_bss * bss,const u8 * addr,const u8 * data,size_t data_len)6241 static int nl80211_send_eapol_data(struct i802_bss *bss,
6242 const u8 *addr, const u8 *data,
6243 size_t data_len)
6244 {
6245 struct sockaddr_ll ll;
6246 int ret;
6247
6248 if (bss->drv->eapol_tx_sock < 0) {
6249 wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL");
6250 return -1;
6251 }
6252
6253 os_memset(&ll, 0, sizeof(ll));
6254 ll.sll_family = AF_PACKET;
6255 ll.sll_ifindex = bss->ifindex;
6256 ll.sll_protocol = htons(ETH_P_PAE);
6257 ll.sll_halen = ETH_ALEN;
6258 os_memcpy(ll.sll_addr, addr, ETH_ALEN);
6259 ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0,
6260 (struct sockaddr *) &ll, sizeof(ll));
6261 if (ret < 0)
6262 wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s",
6263 strerror(errno));
6264
6265 return ret;
6266 }
6267
6268
6269 static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
6270
wpa_driver_nl80211_hapd_send_eapol(void * priv,const u8 * addr,const u8 * data,size_t data_len,int encrypt,const u8 * own_addr,u32 flags,int link_id)6271 static int wpa_driver_nl80211_hapd_send_eapol(
6272 void *priv, const u8 *addr, const u8 *data,
6273 size_t data_len, int encrypt, const u8 *own_addr, u32 flags,
6274 int link_id)
6275 {
6276 struct i802_bss *bss = priv;
6277 struct wpa_driver_nl80211_data *drv = bss->drv;
6278 struct ieee80211_hdr *hdr;
6279 size_t len;
6280 u8 *pos;
6281 int res;
6282 int qos = flags & WPA_STA_WMM;
6283
6284 /* For now, disable EAPOL TX over control port in AP mode by default
6285 * since it does not provide TX status notifications. */
6286 if (drv->control_port_ap &&
6287 (drv->capa.flags & WPA_DRIVER_FLAGS_CONTROL_PORT))
6288 return nl80211_tx_control_port(bss, addr, ETH_P_EAPOL,
6289 data, data_len, !encrypt,
6290 link_id);
6291
6292 if (drv->device_ap_sme || !drv->use_monitor)
6293 return nl80211_send_eapol_data(bss, addr, data, data_len);
6294
6295 len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
6296 data_len;
6297 hdr = os_zalloc(len);
6298 if (hdr == NULL) {
6299 wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)",
6300 (unsigned long) len);
6301 return -1;
6302 }
6303
6304 hdr->frame_control =
6305 IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
6306 hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
6307 if (encrypt)
6308 hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
6309 if (qos) {
6310 hdr->frame_control |=
6311 host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
6312 }
6313
6314 memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
6315 memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
6316 memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
6317 pos = (u8 *) (hdr + 1);
6318
6319 if (qos) {
6320 /* Set highest priority in QoS header */
6321 pos[0] = 7;
6322 pos[1] = 0;
6323 pos += 2;
6324 }
6325
6326 memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
6327 pos += sizeof(rfc1042_header);
6328 WPA_PUT_BE16(pos, ETH_P_PAE);
6329 pos += 2;
6330 memcpy(pos, data, data_len);
6331
6332 res = nl80211_send_monitor(drv, hdr, len, encrypt, 0);
6333 if (res < 0) {
6334 wpa_printf(MSG_ERROR,
6335 "hapd_send_eapol - packet len: %lu - failed",
6336 (unsigned long) len);
6337 }
6338 os_free(hdr);
6339
6340 return res;
6341 }
6342
6343
wpa_driver_nl80211_sta_set_flags(void * priv,const u8 * addr,unsigned int total_flags,unsigned int flags_or,unsigned int flags_and)6344 static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
6345 unsigned int total_flags,
6346 unsigned int flags_or,
6347 unsigned int flags_and)
6348 {
6349 struct i802_bss *bss = priv;
6350 struct nl_msg *msg;
6351 struct nlattr *flags;
6352 struct nl80211_sta_flag_update upd;
6353
6354 wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR
6355 " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d",
6356 bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and,
6357 !!(total_flags & WPA_STA_AUTHORIZED));
6358
6359 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
6360 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr))
6361 goto fail;
6362
6363 /*
6364 * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This
6365 * can be removed eventually.
6366 */
6367 flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS);
6368 if (!flags ||
6369 ((total_flags & WPA_STA_AUTHORIZED) &&
6370 nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) ||
6371 ((total_flags & WPA_STA_WMM) &&
6372 nla_put_flag(msg, NL80211_STA_FLAG_WME)) ||
6373 ((total_flags & WPA_STA_SHORT_PREAMBLE) &&
6374 nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) ||
6375 ((total_flags & WPA_STA_MFP) &&
6376 nla_put_flag(msg, NL80211_STA_FLAG_MFP)) ||
6377 ((total_flags & WPA_STA_TDLS_PEER) &&
6378 nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER)))
6379 goto fail;
6380
6381 nla_nest_end(msg, flags);
6382
6383 os_memset(&upd, 0, sizeof(upd));
6384 upd.mask = sta_flags_nl80211(flags_or | ~flags_and);
6385 upd.set = sta_flags_nl80211(flags_or);
6386 if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
6387 goto fail;
6388
6389 return send_and_recv_cmd(bss->drv, msg);
6390 fail:
6391 nlmsg_free(msg);
6392 return -ENOBUFS;
6393 }
6394
6395
driver_nl80211_sta_set_airtime_weight(void * priv,const u8 * addr,unsigned int weight)6396 static int driver_nl80211_sta_set_airtime_weight(void *priv, const u8 *addr,
6397 unsigned int weight)
6398 {
6399 struct i802_bss *bss = priv;
6400 struct nl_msg *msg;
6401 int ret;
6402
6403 wpa_printf(MSG_DEBUG,
6404 "nl80211: Set STA airtime weight - ifname=%s addr=" MACSTR
6405 " weight=%u", bss->ifname, MAC2STR(addr), weight);
6406
6407 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
6408 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
6409 nla_put_u16(msg, NL80211_ATTR_AIRTIME_WEIGHT, weight))
6410 goto fail;
6411
6412 ret = send_and_recv_cmd(bss->drv, msg);
6413 if (ret) {
6414 wpa_printf(MSG_DEBUG,
6415 "nl80211: SET_STATION[AIRTIME_WEIGHT] failed: ret=%d (%s)",
6416 ret, strerror(-ret));
6417 }
6418 return ret;
6419 fail:
6420 nlmsg_free(msg);
6421 return -ENOBUFS;
6422 }
6423
6424
wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params)6425 static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
6426 struct wpa_driver_associate_params *params)
6427 {
6428 enum nl80211_iftype nlmode, old_mode;
6429
6430 if (params->p2p) {
6431 wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
6432 "group (GO)");
6433 nlmode = NL80211_IFTYPE_P2P_GO;
6434 } else
6435 nlmode = NL80211_IFTYPE_AP;
6436
6437 old_mode = drv->nlmode;
6438 if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) {
6439 nl80211_remove_monitor_interface(drv);
6440 return -1;
6441 }
6442
6443 if (params->freq.freq &&
6444 nl80211_set_channel(drv->first_bss, ¶ms->freq, 0)) {
6445 if (old_mode != nlmode)
6446 wpa_driver_nl80211_set_mode(drv->first_bss, old_mode);
6447 nl80211_remove_monitor_interface(drv);
6448 return -1;
6449 }
6450
6451 return 0;
6452 }
6453
6454
nl80211_leave_ibss(struct wpa_driver_nl80211_data * drv,int reset_mode)6455 static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
6456 int reset_mode)
6457 {
6458 struct nl_msg *msg;
6459 int ret;
6460
6461 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
6462 ret = send_and_recv(drv->global, drv->first_bss->nl_connect, msg, NULL,
6463 NULL, NULL, NULL, NULL);
6464 if (ret) {
6465 wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
6466 "(%s)", ret, strerror(-ret));
6467 } else {
6468 wpa_printf(MSG_DEBUG,
6469 "nl80211: Leave IBSS request sent successfully");
6470 }
6471
6472 if (reset_mode &&
6473 wpa_driver_nl80211_set_mode(drv->first_bss,
6474 NL80211_IFTYPE_STATION)) {
6475 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
6476 "station mode");
6477 }
6478
6479 return ret;
6480 }
6481
6482
nl80211_ht_vht_overrides(struct nl_msg * msg,struct wpa_driver_associate_params * params)6483 static int nl80211_ht_vht_overrides(struct nl_msg *msg,
6484 struct wpa_driver_associate_params *params)
6485 {
6486 if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
6487 return -1;
6488
6489 if (params->htcaps && params->htcaps_mask) {
6490 int sz = sizeof(struct ieee80211_ht_capabilities);
6491 wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
6492 wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
6493 params->htcaps_mask, sz);
6494 if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
6495 params->htcaps) ||
6496 nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
6497 params->htcaps_mask))
6498 return -1;
6499 }
6500
6501 #ifdef CONFIG_VHT_OVERRIDES
6502 if (params->disable_vht) {
6503 wpa_printf(MSG_DEBUG, " * VHT disabled");
6504 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
6505 return -1;
6506 }
6507
6508 if (params->vhtcaps && params->vhtcaps_mask) {
6509 int sz = sizeof(struct ieee80211_vht_capabilities);
6510 wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
6511 wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
6512 params->vhtcaps_mask, sz);
6513 if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
6514 params->vhtcaps) ||
6515 nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
6516 params->vhtcaps_mask))
6517 return -1;
6518 }
6519 #endif /* CONFIG_VHT_OVERRIDES */
6520
6521 #ifdef CONFIG_HE_OVERRIDES
6522 if (params->disable_he) {
6523 wpa_printf(MSG_DEBUG, " * HE disabled");
6524 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_HE))
6525 return -1;
6526 }
6527 #endif /* CONFIG_HE_OVERRIDES */
6528
6529 if (params->disable_eht) {
6530 wpa_printf(MSG_DEBUG, " * EHT disabled");
6531 if (nla_put_flag(msg, NL80211_ATTR_DISABLE_EHT))
6532 return -1;
6533 }
6534
6535 return 0;
6536 }
6537
6538
wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params)6539 static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
6540 struct wpa_driver_associate_params *params)
6541 {
6542 struct nl_msg *msg;
6543 int ret = -1;
6544 int count = 0;
6545
6546 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
6547
6548 if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, ¶ms->freq)) {
6549 wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
6550 "IBSS mode");
6551 return -1;
6552 }
6553
6554 retry:
6555 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) ||
6556 params->ssid == NULL || params->ssid_len > sizeof(drv->ssid))
6557 goto fail;
6558
6559 wpa_printf(MSG_DEBUG, " * SSID=%s",
6560 wpa_ssid_txt(params->ssid, params->ssid_len));
6561 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
6562 goto fail;
6563 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
6564 drv->ssid_len = params->ssid_len;
6565
6566 if (nl80211_put_freq_params(msg, ¶ms->freq) < 0 ||
6567 nl80211_put_beacon_int(msg, params->beacon_int))
6568 goto fail;
6569
6570 ret = nl80211_set_conn_keys(params, msg);
6571 if (ret)
6572 goto fail;
6573
6574 if (params->bssid && params->fixed_bssid) {
6575 wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR,
6576 MAC2STR(params->bssid));
6577 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
6578 goto fail;
6579 }
6580
6581 if (params->fixed_freq) {
6582 wpa_printf(MSG_DEBUG, " * fixed_freq");
6583 if (nla_put_flag(msg, NL80211_ATTR_FREQ_FIXED))
6584 goto fail;
6585 }
6586
6587 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
6588 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
6589 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
6590 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
6591 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA384) {
6592 wpa_printf(MSG_DEBUG, " * control port");
6593 if (nl80211_put_control_port(drv, msg))
6594 goto fail;
6595 }
6596
6597 if (params->wpa_ie) {
6598 wpa_hexdump(MSG_DEBUG,
6599 " * Extra IEs for Beacon/Probe Response frames",
6600 params->wpa_ie, params->wpa_ie_len);
6601 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
6602 params->wpa_ie))
6603 goto fail;
6604 }
6605
6606 ret = nl80211_ht_vht_overrides(msg, params);
6607 if (ret < 0)
6608 goto fail;
6609
6610 if (nla_put_flag(msg, NL80211_ATTR_SOCKET_OWNER))
6611 goto fail;
6612 ret = send_and_recv(drv->global, drv->first_bss->nl_connect, msg, NULL,
6613 NULL, NULL, NULL, NULL);
6614 msg = NULL;
6615 if (ret) {
6616 wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
6617 ret, strerror(-ret));
6618 count++;
6619 if (ret == -EALREADY && count == 1) {
6620 wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
6621 "forced leave");
6622 nl80211_leave_ibss(drv, 0);
6623 nlmsg_free(msg);
6624 goto retry;
6625 }
6626 } else {
6627 wpa_printf(MSG_DEBUG,
6628 "nl80211: Join IBSS request sent successfully");
6629 }
6630
6631 fail:
6632 nlmsg_free(msg);
6633 return ret;
6634 }
6635
6636
nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params,struct nl_msg * msg)6637 static int nl80211_put_fils_connect_params(struct wpa_driver_nl80211_data *drv,
6638 struct wpa_driver_associate_params *params,
6639 struct nl_msg *msg)
6640 {
6641 if (params->fils_erp_username_len) {
6642 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP EMSKname/username",
6643 params->fils_erp_username,
6644 params->fils_erp_username_len);
6645 if (nla_put(msg, NL80211_ATTR_FILS_ERP_USERNAME,
6646 params->fils_erp_username_len,
6647 params->fils_erp_username))
6648 return -1;
6649 }
6650
6651 if (params->fils_erp_realm_len) {
6652 wpa_hexdump_ascii(MSG_DEBUG, " * FILS ERP Realm",
6653 params->fils_erp_realm,
6654 params->fils_erp_realm_len);
6655 if (nla_put(msg, NL80211_ATTR_FILS_ERP_REALM,
6656 params->fils_erp_realm_len, params->fils_erp_realm))
6657 return -1;
6658 }
6659
6660 if (params->fils_erp_rrk_len) {
6661 wpa_printf(MSG_DEBUG, " * FILS ERP next seq %u",
6662 params->fils_erp_next_seq_num);
6663 if (nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM,
6664 params->fils_erp_next_seq_num))
6665 return -1;
6666
6667 wpa_printf(MSG_DEBUG, " * FILS ERP rRK (len=%lu)",
6668 (unsigned long) params->fils_erp_rrk_len);
6669 if (nla_put(msg, NL80211_ATTR_FILS_ERP_RRK,
6670 params->fils_erp_rrk_len, params->fils_erp_rrk))
6671 return -1;
6672 }
6673
6674 return 0;
6675 }
6676
6677
num_bits_set(u32 val)6678 static unsigned int num_bits_set(u32 val)
6679 {
6680 unsigned int c;
6681
6682 for (c = 0; val; c++)
6683 val &= val - 1;
6684
6685 return c;
6686 }
6687
6688
nl80211_connect_common(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params,struct nl_msg * msg)6689 static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
6690 struct wpa_driver_associate_params *params,
6691 struct nl_msg *msg)
6692 {
6693 if (params->mld_params.mld_addr && params->mld_params.valid_links > 0) {
6694 struct wpa_driver_mld_params *mld_params = ¶ms->mld_params;
6695 struct nlattr *links, *attr;
6696 u8 link_id;
6697
6698 wpa_printf(MSG_DEBUG, " * MLD: MLD addr=" MACSTR,
6699 MAC2STR(mld_params->mld_addr));
6700
6701 if (nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN,
6702 mld_params->mld_addr) ||
6703 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
6704 mld_params->assoc_link_id))
6705 return -1;
6706
6707 links = nla_nest_start(msg, NL80211_ATTR_MLO_LINKS);
6708 if (!links)
6709 return -1;
6710
6711 for_each_link(mld_params->valid_links, link_id) {
6712 attr = nla_nest_start(msg, 0);
6713 if (!attr)
6714 return -1;
6715
6716 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
6717 link_id) ||
6718 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
6719 mld_params->mld_links[link_id].bssid) ||
6720 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
6721 mld_params->mld_links[link_id].freq) ||
6722 (mld_params->mld_links[link_id].disabled &&
6723 nla_put_flag(msg,
6724 NL80211_ATTR_MLO_LINK_DISABLED)) ||
6725 (mld_params->mld_links[link_id].ies &&
6726 mld_params->mld_links[link_id].ies_len &&
6727 nla_put(msg, NL80211_ATTR_IE,
6728 mld_params->mld_links[link_id].ies_len,
6729 mld_params->mld_links[link_id].ies)))
6730 return -1;
6731
6732 os_memcpy(drv->sta_mlo_info.links[link_id].bssid,
6733 mld_params->mld_links[link_id].bssid,
6734 ETH_ALEN);
6735 nla_nest_end(msg, attr);
6736 }
6737
6738 nla_nest_end(msg, links);
6739
6740 os_memcpy(drv->sta_mlo_info.ap_mld_addr,
6741 params->mld_params.mld_addr, ETH_ALEN);
6742 drv->sta_mlo_info.assoc_link_id = mld_params->assoc_link_id;
6743 drv->sta_mlo_info.req_links = mld_params->valid_links;
6744 }
6745
6746 if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
6747 return -1;
6748
6749 if (params->bssid && !params->mld_params.mld_addr) {
6750 wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
6751 MAC2STR(params->bssid));
6752 if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid))
6753 return -1;
6754 }
6755
6756 if (params->bssid_hint) {
6757 wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR,
6758 MAC2STR(params->bssid_hint));
6759 if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN,
6760 params->bssid_hint))
6761 return -1;
6762 }
6763
6764 if (params->freq.freq && !params->mld_params.mld_addr) {
6765 wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
6766 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
6767 params->freq.freq))
6768 return -1;
6769 drv->assoc_freq = params->freq.freq;
6770 } else
6771 drv->assoc_freq = 0;
6772
6773 if (params->freq_hint) {
6774 wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint);
6775 if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT,
6776 params->freq_hint))
6777 return -1;
6778 }
6779
6780 if (params->freq.edmg.channels && params->freq.edmg.bw_config) {
6781 wpa_printf(MSG_DEBUG,
6782 " * EDMG configuration: channels=0x%x bw_config=%d",
6783 params->freq.edmg.channels,
6784 params->freq.edmg.bw_config);
6785 if (nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_CHANNELS,
6786 params->freq.edmg.channels) ||
6787 nla_put_u8(msg, NL80211_ATTR_WIPHY_EDMG_BW_CONFIG,
6788 params->freq.edmg.bw_config))
6789 return -1;
6790 }
6791
6792 if (params->bg_scan_period >= 0) {
6793 wpa_printf(MSG_DEBUG, " * bg scan period=%d",
6794 params->bg_scan_period);
6795 if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD,
6796 params->bg_scan_period))
6797 return -1;
6798 }
6799
6800 if (params->ssid) {
6801 wpa_printf(MSG_DEBUG, " * SSID=%s",
6802 wpa_ssid_txt(params->ssid, params->ssid_len));
6803 if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len,
6804 params->ssid))
6805 return -1;
6806 if (params->ssid_len > sizeof(drv->ssid))
6807 return -1;
6808 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
6809 drv->ssid_len = params->ssid_len;
6810 }
6811
6812 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
6813 if (params->wpa_ie &&
6814 nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie))
6815 return -1;
6816
6817 if (params->wpa_proto) {
6818 enum nl80211_wpa_versions ver = 0;
6819
6820 if (params->wpa_proto & WPA_PROTO_WPA)
6821 ver |= NL80211_WPA_VERSION_1;
6822 if (params->wpa_proto & WPA_PROTO_RSN) {
6823 /*
6824 * NL80211_ATTR_SAE_PASSWORD is related and was added
6825 * at the same time as NL80211_WPA_VERSION_3.
6826 */
6827 if (nl80211_attr_supported(drv,
6828 NL80211_ATTR_SAE_PASSWORD) &&
6829 wpa_key_mgmt_sae(params->key_mgmt_suite))
6830 ver |= NL80211_WPA_VERSION_3;
6831 else
6832 ver |= NL80211_WPA_VERSION_2;
6833 }
6834
6835 wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver);
6836 if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver))
6837 return -1;
6838 }
6839
6840 if (params->pairwise_suite != WPA_CIPHER_NONE) {
6841 u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite);
6842 wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
6843 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE,
6844 cipher))
6845 return -1;
6846 }
6847
6848 if (params->group_suite == WPA_CIPHER_GTK_NOT_USED &&
6849 !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) {
6850 /*
6851 * This is likely to work even though many drivers do not
6852 * advertise support for operations without GTK.
6853 */
6854 wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement");
6855 } else if (params->group_suite != WPA_CIPHER_NONE) {
6856 u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite);
6857 wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
6858 if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher))
6859 return -1;
6860 }
6861
6862 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X ||
6863 params->key_mgmt_suite == WPA_KEY_MGMT_PSK ||
6864 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X ||
6865 params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK ||
6866 params->key_mgmt_suite == WPA_KEY_MGMT_CCKM ||
6867 params->key_mgmt_suite == WPA_KEY_MGMT_OSEN ||
6868 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 ||
6869 params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 ||
6870 params->key_mgmt_suite == WPA_KEY_MGMT_SAE ||
6871 params->key_mgmt_suite == WPA_KEY_MGMT_SAE_EXT_KEY ||
6872 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE ||
6873 params->key_mgmt_suite == WPA_KEY_MGMT_FT_SAE_EXT_KEY ||
6874 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B ||
6875 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ||
6876 params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X_SHA384 ||
6877 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA256 ||
6878 params->key_mgmt_suite == WPA_KEY_MGMT_FILS_SHA384 ||
6879 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA256 ||
6880 params->key_mgmt_suite == WPA_KEY_MGMT_FT_FILS_SHA384 ||
6881 params->key_mgmt_suite == WPA_KEY_MGMT_OWE ||
6882 params->key_mgmt_suite == WPA_KEY_MGMT_DPP ||
6883 params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA384) {
6884 u32 *mgmt;
6885 unsigned int akm_count = 1, i;
6886
6887 /*
6888 * Make sure the driver has capability to handle default AKM in
6889 * key_mgmt_suite plus allowed AKMs in allowed_key_mgmts.
6890 */
6891 if (drv->capa.max_num_akms <=
6892 num_bits_set(params->allowed_key_mgmts)) {
6893 wpa_printf(MSG_INFO,
6894 "nl80211: Not enough support for the allowed AKMs (max_num_akms=%u <= num_bits_set=%u)",
6895 drv->capa.max_num_akms,
6896 num_bits_set(params->allowed_key_mgmts));
6897 return -1;
6898 }
6899
6900 mgmt = os_malloc(sizeof(u32) * drv->capa.max_num_akms);
6901 if (!mgmt)
6902 return -1;
6903
6904 mgmt[0] = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
6905
6906 switch (params->key_mgmt_suite) {
6907 case WPA_KEY_MGMT_CCKM:
6908 mgmt[0] = RSN_AUTH_KEY_MGMT_CCKM;
6909 break;
6910 case WPA_KEY_MGMT_IEEE8021X:
6911 mgmt[0] = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X;
6912 break;
6913 case WPA_KEY_MGMT_FT_IEEE8021X:
6914 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_802_1X;
6915 break;
6916 case WPA_KEY_MGMT_FT_PSK:
6917 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_PSK;
6918 break;
6919 case WPA_KEY_MGMT_IEEE8021X_SHA256:
6920 mgmt[0] = RSN_AUTH_KEY_MGMT_802_1X_SHA256;
6921 break;
6922 case WPA_KEY_MGMT_PSK_SHA256:
6923 mgmt[0] = RSN_AUTH_KEY_MGMT_PSK_SHA256;
6924 break;
6925 case WPA_KEY_MGMT_OSEN:
6926 mgmt[0] = RSN_AUTH_KEY_MGMT_OSEN;
6927 break;
6928 case WPA_KEY_MGMT_SAE:
6929 mgmt[0] = RSN_AUTH_KEY_MGMT_SAE;
6930 break;
6931 case WPA_KEY_MGMT_SAE_EXT_KEY:
6932 mgmt[0] = RSN_AUTH_KEY_MGMT_SAE_EXT_KEY;
6933 break;
6934 case WPA_KEY_MGMT_FT_SAE:
6935 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_SAE;
6936 break;
6937 case WPA_KEY_MGMT_FT_SAE_EXT_KEY:
6938 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_SAE_EXT_KEY;
6939 break;
6940 case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
6941 mgmt[0] = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
6942 break;
6943 case WPA_KEY_MGMT_IEEE8021X_SUITE_B_192:
6944 mgmt[0] = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192;
6945 break;
6946 case WPA_KEY_MGMT_FT_IEEE8021X_SHA384:
6947 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384;
6948 break;
6949 case WPA_KEY_MGMT_FILS_SHA256:
6950 mgmt[0] = RSN_AUTH_KEY_MGMT_FILS_SHA256;
6951 break;
6952 case WPA_KEY_MGMT_FILS_SHA384:
6953 mgmt[0] = RSN_AUTH_KEY_MGMT_FILS_SHA384;
6954 break;
6955 case WPA_KEY_MGMT_FT_FILS_SHA256:
6956 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_FILS_SHA256;
6957 break;
6958 case WPA_KEY_MGMT_FT_FILS_SHA384:
6959 mgmt[0] = RSN_AUTH_KEY_MGMT_FT_FILS_SHA384;
6960 break;
6961 case WPA_KEY_MGMT_OWE:
6962 mgmt[0] = RSN_AUTH_KEY_MGMT_OWE;
6963 break;
6964 case WPA_KEY_MGMT_DPP:
6965 mgmt[0] = RSN_AUTH_KEY_MGMT_DPP;
6966 break;
6967 case WPA_KEY_MGMT_IEEE8021X_SHA384:
6968 mgmt[0] = RSN_AUTH_KEY_MGMT_802_1X_SHA384;
6969 break;
6970 case WPA_KEY_MGMT_PSK:
6971 default:
6972 mgmt[0] = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X;
6973 break;
6974 }
6975
6976 if (drv->capa.max_num_akms > 1) {
6977 akm_count += wpa_key_mgmt_to_suites(
6978 params->allowed_key_mgmts, &mgmt[1],
6979 drv->capa.max_num_akms - 1);
6980 }
6981
6982 for (i = 0; i < akm_count; i++)
6983 wpa_printf(MSG_DEBUG, " * akm[%d]=0x%x", i, mgmt[i]);
6984
6985 if (nla_put(msg, NL80211_ATTR_AKM_SUITES,
6986 akm_count * sizeof(u32), mgmt)) {
6987 os_free(mgmt);
6988 return -1;
6989 }
6990
6991 os_free(mgmt);
6992 }
6993
6994 if (params->req_handshake_offload &&
6995 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X)) {
6996 wpa_printf(MSG_DEBUG, " * WANT_1X_4WAY_HS");
6997 if (nla_put_flag(msg, NL80211_ATTR_WANT_1X_4WAY_HS))
6998 return -1;
6999 }
7000
7001 /* Add PSK in case of 4-way handshake offload */
7002 if (params->psk &&
7003 (drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK)) {
7004 wpa_hexdump_key(MSG_DEBUG, " * PSK", params->psk, 32);
7005 if (nla_put(msg, NL80211_ATTR_PMK, 32, params->psk))
7006 return -1;
7007 }
7008
7009 if (nl80211_put_control_port(drv, msg))
7010 return -1;
7011
7012 if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
7013 (params->pairwise_suite == WPA_CIPHER_NONE ||
7014 params->pairwise_suite == WPA_CIPHER_WEP104 ||
7015 params->pairwise_suite == WPA_CIPHER_WEP40) &&
7016 nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
7017 return -1;
7018
7019 if (params->rrm_used) {
7020 u32 drv_rrm_flags = drv->capa.rrm_flags;
7021 if ((!((drv_rrm_flags &
7022 WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) &&
7023 (drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET)) &&
7024 !(drv_rrm_flags & WPA_DRIVER_FLAGS_SUPPORT_RRM)) ||
7025 nla_put_flag(msg, NL80211_ATTR_USE_RRM))
7026 return -1;
7027 }
7028
7029 if (nl80211_ht_vht_overrides(msg, params) < 0)
7030 return -1;
7031
7032 if (params->p2p)
7033 wpa_printf(MSG_DEBUG, " * P2P group");
7034
7035 if (params->pbss) {
7036 wpa_printf(MSG_DEBUG, " * PBSS");
7037 if (nla_put_flag(msg, NL80211_ATTR_PBSS))
7038 return -1;
7039 }
7040
7041 drv->connect_reassoc = 0;
7042 if (params->prev_bssid) {
7043 wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR,
7044 MAC2STR(params->prev_bssid));
7045 if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN,
7046 params->prev_bssid))
7047 return -1;
7048 drv->connect_reassoc = 1;
7049 }
7050
7051 if ((params->auth_alg & WPA_AUTH_ALG_FILS) &&
7052 nl80211_put_fils_connect_params(drv, params, msg) != 0)
7053 return -1;
7054
7055 if ((wpa_key_mgmt_sae(params->key_mgmt_suite) ||
7056 wpa_key_mgmt_sae(params->allowed_key_mgmts)) &&
7057 (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) &&
7058 nla_put_flag(msg, NL80211_ATTR_EXTERNAL_AUTH_SUPPORT))
7059 return -1;
7060
7061 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
7062 nla_put_flag(msg, NL80211_ATTR_MLO_SUPPORT))
7063 return -1;
7064
7065 return 0;
7066 }
7067
7068
wpa_driver_nl80211_try_connect(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params,struct i802_bss * bss)7069 static int wpa_driver_nl80211_try_connect(
7070 struct wpa_driver_nl80211_data *drv,
7071 struct wpa_driver_associate_params *params,
7072 struct i802_bss *bss)
7073 {
7074 struct nl_msg *msg;
7075 enum nl80211_auth_type type;
7076 int ret;
7077 int algs;
7078
7079 #ifdef CONFIG_DRIVER_NL80211_QCA
7080 if (params->req_key_mgmt_offload && params->psk &&
7081 (wpa_key_mgmt_wpa_psk_no_sae(params->key_mgmt_suite) ||
7082 wpa_key_mgmt_wpa_psk_no_sae(params->allowed_key_mgmts))) {
7083 wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK");
7084 ret = issue_key_mgmt_set_key(drv, params->psk, 32);
7085 if (ret)
7086 return ret;
7087 }
7088 #endif /* CONFIG_DRIVER_NL80211_QCA */
7089
7090 wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex);
7091 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT);
7092 if (!msg)
7093 return -1;
7094
7095 ret = nl80211_connect_common(drv, params, msg);
7096 if (ret)
7097 goto fail;
7098
7099 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
7100 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
7101 goto fail;
7102
7103 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_OPTIONAL &&
7104 (drv->capa.flags & WPA_DRIVER_FLAGS_MFP_OPTIONAL) &&
7105 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_OPTIONAL))
7106 goto fail;
7107
7108 #ifdef CONFIG_SAE
7109 if ((wpa_key_mgmt_sae(params->key_mgmt_suite) ||
7110 wpa_key_mgmt_sae(params->allowed_key_mgmts)) &&
7111 nl80211_put_sae_pwe(msg, params->sae_pwe) < 0)
7112 goto fail;
7113
7114 /* Add SAE password in case of SAE authentication offload */
7115 if ((params->sae_password || params->passphrase) &&
7116 (drv->capa.flags2 & WPA_DRIVER_FLAGS2_SAE_OFFLOAD_STA)) {
7117 const char *password;
7118 size_t pwd_len;
7119
7120 if (params->sae_password && params->sae_password_id) {
7121 wpa_printf(MSG_INFO,
7122 "nl80211: Use of SAE password identifiers not supported with driver-based SAE");
7123 goto fail;
7124 }
7125
7126 password = params->sae_password;
7127 if (!password)
7128 password = params->passphrase;
7129 pwd_len = os_strlen(password);
7130 wpa_printf(MSG_DEBUG, " * SAE password");
7131 if (nla_put(msg, NL80211_ATTR_SAE_PASSWORD, pwd_len, password))
7132 goto fail;
7133 }
7134 #endif /* CONFIG_SAE */
7135
7136 algs = 0;
7137 if (params->auth_alg & WPA_AUTH_ALG_OPEN)
7138 algs++;
7139 if (params->auth_alg & WPA_AUTH_ALG_SHARED)
7140 algs++;
7141 if (params->auth_alg & WPA_AUTH_ALG_LEAP)
7142 algs++;
7143 if (params->auth_alg & WPA_AUTH_ALG_FILS)
7144 algs++;
7145 if (params->auth_alg & WPA_AUTH_ALG_FT)
7146 algs++;
7147 if (params->auth_alg & WPA_AUTH_ALG_SAE)
7148 algs++;
7149 if (algs > 1) {
7150 wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
7151 "selection");
7152 goto skip_auth_type;
7153 }
7154
7155 type = get_nl_auth_type(params->auth_alg);
7156 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
7157 if (type == NL80211_AUTHTYPE_MAX ||
7158 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
7159 goto fail;
7160
7161 skip_auth_type:
7162 ret = nl80211_set_conn_keys(params, msg);
7163 if (ret)
7164 goto fail;
7165
7166 if (nla_put_flag(msg, NL80211_ATTR_SOCKET_OWNER))
7167 goto fail;
7168 ret = send_and_recv(drv->global, bss->nl_connect, msg, NULL, NULL, NULL,
7169 NULL, NULL);
7170 msg = NULL;
7171 if (ret) {
7172 wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
7173 "(%s)", ret, strerror(-ret));
7174 } else {
7175 #ifdef CONFIG_DRIVER_NL80211_QCA
7176 drv->roam_indication_done = false;
7177 #endif /* CONFIG_DRIVER_NL80211_QCA */
7178 wpa_printf(MSG_DEBUG,
7179 "nl80211: Connect request send successfully");
7180 }
7181
7182 fail:
7183 nl80211_nlmsg_clear(msg);
7184 nlmsg_free(msg);
7185 return ret;
7186
7187 }
7188
7189
wpa_driver_nl80211_connect(struct wpa_driver_nl80211_data * drv,struct wpa_driver_associate_params * params,struct i802_bss * bss)7190 static int wpa_driver_nl80211_connect(
7191 struct wpa_driver_nl80211_data *drv,
7192 struct wpa_driver_associate_params *params,
7193 struct i802_bss *bss)
7194 {
7195 int ret;
7196
7197 /* Store the connection attempted bssid for future use */
7198 if (params->bssid)
7199 os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN);
7200 else
7201 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
7202
7203 ret = wpa_driver_nl80211_try_connect(drv, params, bss);
7204 if (ret == -EALREADY) {
7205 /*
7206 * cfg80211 does not currently accept new connections if
7207 * we are already connected. As a workaround, force
7208 * disconnection and try again.
7209 */
7210 wpa_printf(MSG_DEBUG, "nl80211: Explicitly "
7211 "disconnecting before reassociation "
7212 "attempt");
7213 if (wpa_driver_nl80211_disconnect(
7214 drv, WLAN_REASON_PREV_AUTH_NOT_VALID, bss))
7215 return -1;
7216 ret = wpa_driver_nl80211_try_connect(drv, params, bss);
7217 }
7218 return ret;
7219 }
7220
7221
wpa_driver_nl80211_associate(void * priv,struct wpa_driver_associate_params * params)7222 static int wpa_driver_nl80211_associate(
7223 void *priv, struct wpa_driver_associate_params *params)
7224 {
7225 struct i802_bss *bss = priv;
7226 struct wpa_driver_nl80211_data *drv = bss->drv;
7227 struct nl80211_err_info err_info;
7228 int ret = -1;
7229 struct nl_msg *msg;
7230
7231 nl80211_unmask_11b_rates(bss);
7232
7233 if (params->mode == IEEE80211_MODE_AP)
7234 return wpa_driver_nl80211_ap(drv, params);
7235
7236 if (params->mode == IEEE80211_MODE_IBSS)
7237 return wpa_driver_nl80211_ibss(drv, params);
7238
7239 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
7240 enum nl80211_iftype nlmode = params->p2p ?
7241 NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION;
7242
7243 if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0)
7244 return -1;
7245
7246 return wpa_driver_nl80211_connect(drv, params, bss);
7247 }
7248
7249 nl80211_mark_disconnected(drv);
7250
7251 wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)",
7252 drv->ifindex);
7253 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE);
7254 if (!msg)
7255 return -1;
7256
7257 ret = nl80211_connect_common(drv, params, msg);
7258 if (ret)
7259 goto fail;
7260
7261 if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED &&
7262 nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED))
7263 goto fail;
7264
7265 if (params->fils_kek) {
7266 wpa_printf(MSG_DEBUG, " * FILS KEK (len=%u)",
7267 (unsigned int) params->fils_kek_len);
7268 if (nla_put(msg, NL80211_ATTR_FILS_KEK, params->fils_kek_len,
7269 params->fils_kek))
7270 goto fail;
7271 }
7272 if (params->fils_nonces) {
7273 wpa_hexdump(MSG_DEBUG, " * FILS nonces (for AAD)",
7274 params->fils_nonces,
7275 params->fils_nonces_len);
7276 if (nla_put(msg, NL80211_ATTR_FILS_NONCES,
7277 params->fils_nonces_len, params->fils_nonces))
7278 goto fail;
7279 }
7280
7281 if (!TEST_FAIL_TAG("assoc")) {
7282 if (nla_put_flag(msg, NL80211_ATTR_SOCKET_OWNER))
7283 goto fail;
7284 ret = send_and_recv(drv->global, drv->first_bss->nl_connect,
7285 msg, NULL, NULL, NULL, NULL, &err_info);
7286 msg = NULL;
7287 } else {
7288 int i;
7289
7290 /* Error and force TEST_FAIL checking for each link */
7291 ret = -EINVAL;
7292 for_each_link(params->mld_params.valid_links, i) {
7293 if (TEST_FAIL_TAG("link"))
7294 err_info.link_id = i;
7295 }
7296 }
7297
7298 if (ret) {
7299 wpa_dbg(drv->ctx, MSG_DEBUG,
7300 "nl80211: MLME command failed (assoc): ret=%d (%s)",
7301 ret, strerror(-ret));
7302 nl80211_dump_scan(drv);
7303
7304 /* Mark failed link within params */
7305 if (err_info.link_id >= 0) {
7306 if (err_info.link_id >= MAX_NUM_MLD_LINKS ||
7307 !(params->mld_params.valid_links &
7308 BIT(err_info.link_id))) {
7309 wpa_printf(MSG_DEBUG,
7310 "nl80211: Invalid errorred link_id %d",
7311 err_info.link_id);
7312 goto fail;
7313 }
7314 params->mld_params.mld_links[err_info.link_id].error =
7315 ret;
7316 }
7317 } else {
7318 wpa_printf(MSG_DEBUG,
7319 "nl80211: Association request send successfully");
7320 }
7321
7322 fail:
7323 nlmsg_free(msg);
7324 return ret;
7325 }
7326
7327
nl80211_set_mode(struct wpa_driver_nl80211_data * drv,int ifindex,enum nl80211_iftype mode)7328 static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
7329 int ifindex, enum nl80211_iftype mode)
7330 {
7331 struct nl_msg *msg;
7332 int ret = -ENOBUFS;
7333
7334 wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)",
7335 ifindex, mode, nl80211_iftype_str(mode));
7336
7337 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
7338 if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
7339 goto fail;
7340
7341 ret = send_and_recv_cmd(drv, msg);
7342 msg = NULL;
7343 if (!ret)
7344 return 0;
7345 fail:
7346 nlmsg_free(msg);
7347 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
7348 " %d (%s)", ifindex, mode, ret, strerror(-ret));
7349 return ret;
7350 }
7351
7352
wpa_driver_nl80211_set_mode_impl(struct i802_bss * bss,enum nl80211_iftype nlmode,struct hostapd_freq_params * desired_freq_params)7353 static int wpa_driver_nl80211_set_mode_impl(
7354 struct i802_bss *bss,
7355 enum nl80211_iftype nlmode,
7356 struct hostapd_freq_params *desired_freq_params)
7357 {
7358 struct wpa_driver_nl80211_data *drv = bss->drv;
7359 int ret = -1;
7360 int i;
7361 int was_ap = is_ap_interface(drv->nlmode);
7362 int res;
7363 int mode_switch_res;
7364
7365 if (TEST_FAIL())
7366 return -1;
7367
7368 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
7369 if (mode_switch_res && nlmode == nl80211_get_ifmode(bss))
7370 mode_switch_res = 0;
7371
7372 if (mode_switch_res == 0) {
7373 drv->nlmode = nlmode;
7374 ret = 0;
7375 goto done;
7376 }
7377
7378 if (mode_switch_res == -ENODEV)
7379 return -1;
7380
7381 if (nlmode == drv->nlmode) {
7382 wpa_printf(MSG_DEBUG, "nl80211: Interface already in "
7383 "requested mode - ignore error");
7384 ret = 0;
7385 goto done; /* Already in the requested mode */
7386 }
7387
7388 /* mac80211 doesn't allow mode changes while the device is up, so
7389 * take the device down, try to set the mode again, and bring the
7390 * device back up.
7391 */
7392 wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
7393 "interface down");
7394 for (i = 0; i < 10; i++) {
7395 res = i802_set_iface_flags(bss, 0);
7396 if (res == -EACCES || res == -ENODEV)
7397 break;
7398 if (res != 0) {
7399 wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
7400 "interface down");
7401 os_sleep(0, 100000);
7402 continue;
7403 }
7404
7405 /*
7406 * Setting the mode will fail for some drivers if the phy is
7407 * on a frequency that the mode is disallowed in.
7408 */
7409 if (desired_freq_params) {
7410 res = nl80211_set_channel(bss, desired_freq_params, 0);
7411 if (res) {
7412 wpa_printf(MSG_DEBUG,
7413 "nl80211: Failed to set frequency on interface");
7414 }
7415 }
7416
7417 if (i == 0 && was_ap && !is_ap_interface(nlmode) &&
7418 bss->brname[0] &&
7419 (bss->added_if_into_bridge || bss->already_in_bridge)) {
7420 wpa_printf(MSG_DEBUG,
7421 "nl80211: Remove AP interface %s temporarily from the bridge %s to allow its mode to be set to STATION",
7422 bss->ifname, bss->brname);
7423 if (linux_br_del_if(drv->global->ioctl_sock,
7424 bss->brname, bss->ifname) < 0)
7425 wpa_printf(MSG_INFO,
7426 "nl80211: Failed to remove interface %s from bridge %s: %s",
7427 bss->ifname, bss->brname,
7428 strerror(errno));
7429 }
7430
7431 /* Try to set the mode again while the interface is down */
7432 mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode);
7433 if (mode_switch_res == -EBUSY) {
7434 wpa_printf(MSG_DEBUG,
7435 "nl80211: Delaying mode set while interface going down");
7436 os_sleep(0, 100000);
7437 continue;
7438 }
7439 ret = mode_switch_res;
7440 break;
7441 }
7442
7443 if (!ret) {
7444 wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while "
7445 "interface is down");
7446 drv->nlmode = nlmode;
7447 drv->ignore_if_down_event = 1;
7448 }
7449
7450 /* Bring the interface back up */
7451 res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1);
7452 if (res != 0) {
7453 wpa_printf(MSG_DEBUG,
7454 "nl80211: Failed to set interface up after switching mode");
7455 ret = -1;
7456 }
7457
7458 done:
7459 if (ret) {
7460 wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d "
7461 "from %d failed", nlmode, drv->nlmode);
7462 return ret;
7463 }
7464
7465 if (is_p2p_net_interface(nlmode)) {
7466 wpa_printf(MSG_DEBUG,
7467 "nl80211: Interface %s mode change to P2P - disable 11b rates",
7468 bss->ifname);
7469 nl80211_disable_11b_rates(drv, drv->ifindex, 1);
7470 } else if (drv->disabled_11b_rates) {
7471 wpa_printf(MSG_DEBUG,
7472 "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
7473 bss->ifname);
7474 nl80211_disable_11b_rates(drv, drv->ifindex, 0);
7475 }
7476
7477 if (is_ap_interface(nlmode)) {
7478 nl80211_mgmt_unsubscribe(bss, "start AP");
7479 /* Setup additional AP mode functionality if needed */
7480 if (nl80211_setup_ap(bss))
7481 return -1;
7482 } else if (was_ap) {
7483 /* Remove additional AP mode functionality */
7484 nl80211_teardown_ap(bss);
7485 } else {
7486 nl80211_mgmt_unsubscribe(bss, "mode change");
7487 }
7488
7489 if (is_mesh_interface(nlmode) &&
7490 nl80211_mgmt_subscribe_mesh(bss))
7491 return -1;
7492
7493 if (!bss->in_deinit && !is_ap_interface(nlmode) &&
7494 !is_mesh_interface(nlmode) &&
7495 nl80211_mgmt_subscribe_non_ap(bss) < 0)
7496 wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
7497 "frame processing - ignore for now");
7498
7499 return 0;
7500 }
7501
7502
nl80211_restore_ap_mode(struct i802_bss * bss)7503 void nl80211_restore_ap_mode(struct i802_bss *bss)
7504 {
7505 struct wpa_driver_nl80211_data *drv = bss->drv;
7506 int was_ap = is_ap_interface(drv->nlmode);
7507
7508 wpa_driver_nl80211_set_mode(bss, drv->ap_scan_as_station);
7509 if (!was_ap && is_ap_interface(drv->ap_scan_as_station) &&
7510 bss->brname[0] &&
7511 (bss->added_if_into_bridge || bss->already_in_bridge)) {
7512 wpa_printf(MSG_DEBUG,
7513 "nl80211: Add AP interface %s back into the bridge %s",
7514 bss->ifname, bss->brname);
7515 if (linux_br_add_if(drv->global->ioctl_sock, bss->brname,
7516 bss->ifname) < 0) {
7517 wpa_printf(MSG_WARNING,
7518 "nl80211: Failed to add interface %s into bridge %s: %s",
7519 bss->ifname, bss->brname, strerror(errno));
7520 }
7521 }
7522 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
7523 }
7524
7525
wpa_driver_nl80211_set_mode(struct i802_bss * bss,enum nl80211_iftype nlmode)7526 int wpa_driver_nl80211_set_mode(struct i802_bss *bss,
7527 enum nl80211_iftype nlmode)
7528 {
7529 return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL);
7530 }
7531
7532
wpa_driver_nl80211_set_mode_ibss(struct i802_bss * bss,struct hostapd_freq_params * freq)7533 static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss,
7534 struct hostapd_freq_params *freq)
7535 {
7536 return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC,
7537 freq);
7538 }
7539
7540
wpa_driver_nl80211_get_capa(void * priv,struct wpa_driver_capa * capa)7541 static int wpa_driver_nl80211_get_capa(void *priv,
7542 struct wpa_driver_capa *capa)
7543 {
7544 struct i802_bss *bss = priv;
7545 struct wpa_driver_nl80211_data *drv = bss->drv;
7546
7547 if (!drv->has_capability)
7548 return -1;
7549 os_memcpy(capa, &drv->capa, sizeof(*capa));
7550 if (drv->extended_capa && drv->extended_capa_mask) {
7551 capa->extended_capa = drv->extended_capa;
7552 capa->extended_capa_mask = drv->extended_capa_mask;
7553 capa->extended_capa_len = drv->extended_capa_len;
7554 }
7555
7556 return 0;
7557 }
7558
7559
wpa_driver_nl80211_set_operstate(void * priv,int state)7560 static int wpa_driver_nl80211_set_operstate(void *priv, int state)
7561 {
7562 struct i802_bss *bss = priv;
7563 struct wpa_driver_nl80211_data *drv = bss->drv;
7564
7565 wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)",
7566 bss->ifname, drv->operstate, state,
7567 state ? "UP" : "DORMANT");
7568 drv->operstate = state;
7569 return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1,
7570 state ? IF_OPER_UP : IF_OPER_DORMANT);
7571 }
7572
7573
wpa_driver_nl80211_set_supp_port(void * priv,int authorized)7574 static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
7575 {
7576 struct i802_bss *bss = priv;
7577 struct wpa_driver_nl80211_data *drv = bss->drv;
7578 struct nl_msg *msg;
7579 struct nl80211_sta_flag_update upd;
7580 int ret;
7581 const u8 *connected_addr = drv->sta_mlo_info.valid_links ?
7582 drv->sta_mlo_info.ap_mld_addr : drv->bssid;
7583
7584 if (!drv->associated && is_zero_ether_addr(connected_addr) &&
7585 !authorized) {
7586 wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated");
7587 return 0;
7588 }
7589
7590 wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for "
7591 MACSTR, authorized ? "" : "un", MAC2STR(connected_addr));
7592
7593 os_memset(&upd, 0, sizeof(upd));
7594 upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED);
7595 if (authorized)
7596 upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED);
7597
7598 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
7599 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, connected_addr) ||
7600 nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) {
7601 nlmsg_free(msg);
7602 return -ENOBUFS;
7603 }
7604
7605 ret = send_and_recv_cmd(drv, msg);
7606 if (!ret)
7607 return 0;
7608 wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
7609 ret, strerror(-ret));
7610 return ret;
7611 }
7612
7613
7614 /* Set kernel driver on given frequency (MHz) */
i802_set_freq(void * priv,struct hostapd_freq_params * freq)7615 static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
7616 {
7617 struct i802_bss *bss = priv;
7618 return nl80211_set_channel(bss, freq, 0);
7619 }
7620
7621
min_int(int a,int b)7622 static inline int min_int(int a, int b)
7623 {
7624 if (a < b)
7625 return a;
7626 return b;
7627 }
7628
7629
get_key_handler(struct nl_msg * msg,void * arg)7630 static int get_key_handler(struct nl_msg *msg, void *arg)
7631 {
7632 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7633 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7634
7635 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7636 genlmsg_attrlen(gnlh, 0), NULL);
7637
7638 /*
7639 * TODO: validate the key index and mac address!
7640 * Otherwise, there's a race condition as soon as
7641 * the kernel starts sending key notifications.
7642 */
7643
7644 if (tb[NL80211_ATTR_KEY_SEQ])
7645 memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
7646 min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
7647 nl80211_nlmsg_clear(msg);
7648 return NL_SKIP;
7649 }
7650
7651
i802_get_seqnum(const char * iface,void * priv,const u8 * addr,int idx,int link_id,u8 * seq)7652 static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
7653 int idx, int link_id, u8 *seq)
7654 {
7655 struct i802_bss *bss = priv;
7656 struct wpa_driver_nl80211_data *drv = bss->drv;
7657 struct nl_msg *msg;
7658 int res;
7659
7660 msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0,
7661 NL80211_CMD_GET_KEY);
7662 if (!msg ||
7663 (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) ||
7664 (link_id != NL80211_DRV_LINK_ID_NA &&
7665 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
7666 nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) {
7667 nlmsg_free(msg);
7668 return -ENOBUFS;
7669 }
7670
7671 os_memset(seq, 0, 6);
7672 res = send_and_recv_resp(drv, msg, get_key_handler, seq);
7673 if (res) {
7674 wpa_printf(MSG_DEBUG,
7675 "nl80211: Failed to get current TX sequence for a key (link_id=%d idx=%d): %d (%s)",
7676 link_id, idx, res, strerror(-res));
7677 }
7678
7679 return res;
7680 }
7681
7682
i802_set_rts(void * priv,int rts)7683 static int i802_set_rts(void *priv, int rts)
7684 {
7685 struct i802_bss *bss = priv;
7686 struct wpa_driver_nl80211_data *drv = bss->drv;
7687 struct nl_msg *msg;
7688 int ret;
7689 u32 val;
7690
7691 if (rts >= 2347 || rts == -1)
7692 val = (u32) -1;
7693 else
7694 val = rts;
7695
7696 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
7697 nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) {
7698 nlmsg_free(msg);
7699 return -ENOBUFS;
7700 }
7701
7702 ret = send_and_recv_cmd(drv, msg);
7703 if (!ret)
7704 return 0;
7705 wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
7706 "%d (%s)", rts, ret, strerror(-ret));
7707 return ret;
7708 }
7709
7710
i802_set_frag(void * priv,int frag)7711 static int i802_set_frag(void *priv, int frag)
7712 {
7713 struct i802_bss *bss = priv;
7714 struct wpa_driver_nl80211_data *drv = bss->drv;
7715 struct nl_msg *msg;
7716 int ret;
7717 u32 val;
7718
7719 if (frag >= 2346 || frag == -1)
7720 val = (u32) -1;
7721 else
7722 val = frag;
7723
7724 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) ||
7725 nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) {
7726 nlmsg_free(msg);
7727 return -ENOBUFS;
7728 }
7729
7730 ret = send_and_recv_cmd(drv, msg);
7731 if (!ret)
7732 return 0;
7733 wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
7734 "%d: %d (%s)", frag, ret, strerror(-ret));
7735 return ret;
7736 }
7737
7738
i802_flush(void * priv,int link_id)7739 static int i802_flush(void *priv, int link_id)
7740 {
7741 struct i802_bss *bss = priv;
7742 struct nl_msg *msg;
7743 int res;
7744
7745 if (link_id == NL80211_DRV_LINK_ID_NA)
7746 wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)",
7747 bss->ifname);
7748 else
7749 wpa_printf(MSG_DEBUG,
7750 "nl80211: flush -> DEL_STATION %s (with link %d)",
7751 bss->ifname, link_id);
7752
7753 /*
7754 * XXX: FIX! this needs to flush all VLANs too
7755 */
7756 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
7757 if (link_id >= 0 && (bss->valid_links & BIT(link_id)) &&
7758 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
7759 goto fail;
7760
7761 res = send_and_recv_cmd(bss->drv, msg);
7762 if (res) {
7763 wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
7764 "(%s)", res, strerror(-res));
7765 }
7766 return res;
7767 fail:
7768 nlmsg_free(msg);
7769 return -1;
7770 }
7771
7772
get_sta_tid_stats(struct hostap_sta_driver_data * data,struct nlattr * attr)7773 static void get_sta_tid_stats(struct hostap_sta_driver_data *data,
7774 struct nlattr *attr)
7775 {
7776 struct nlattr *tid_stats[NL80211_TID_STATS_MAX + 1], *tidattr;
7777 struct nlattr *txq_stats[NL80211_TXQ_STATS_MAX + 1];
7778 static struct nla_policy txq_stats_policy[NL80211_TXQ_STATS_MAX + 1] = {
7779 [NL80211_TXQ_STATS_BACKLOG_BYTES] = { .type = NLA_U32 },
7780 [NL80211_TXQ_STATS_BACKLOG_PACKETS] = { .type = NLA_U32 },
7781 };
7782 int rem;
7783
7784 nla_for_each_nested(tidattr, attr, rem) {
7785 if (nla_parse_nested(tid_stats, NL80211_TID_STATS_MAX,
7786 tidattr, NULL) != 0 ||
7787 !tid_stats[NL80211_TID_STATS_TXQ_STATS] ||
7788 nla_parse_nested(txq_stats, NL80211_TXQ_STATS_MAX,
7789 tid_stats[NL80211_TID_STATS_TXQ_STATS],
7790 txq_stats_policy) != 0)
7791 continue;
7792 /* sum the backlogs over all TIDs for station */
7793 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES])
7794 data->backlog_bytes += nla_get_u32(
7795 txq_stats[NL80211_TXQ_STATS_BACKLOG_BYTES]);
7796 if (txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS])
7797 data->backlog_bytes += nla_get_u32(
7798 txq_stats[NL80211_TXQ_STATS_BACKLOG_PACKETS]);
7799 }
7800 }
7801
7802
get_sta_handler(struct nl_msg * msg,void * arg)7803 static int get_sta_handler(struct nl_msg *msg, void *arg)
7804 {
7805 struct nlattr *tb[NL80211_ATTR_MAX + 1];
7806 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
7807 struct hostap_sta_driver_data *data = arg;
7808 struct nlattr *stats[NL80211_STA_INFO_MAX + 1];
7809 static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = {
7810 [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 },
7811 [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
7812 [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
7813 [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
7814 [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 },
7815 [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 },
7816 [NL80211_STA_INFO_TX_RETRIES] = { .type = NLA_U32 },
7817 [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
7818 [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
7819 [NL80211_STA_INFO_CONNECTED_TIME] = { .type = NLA_U32 },
7820 [NL80211_STA_INFO_BEACON_LOSS] = { .type = NLA_U32 },
7821 [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
7822 [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
7823 [NL80211_STA_INFO_EXPECTED_THROUGHPUT] = { .type = NLA_U32 },
7824 [NL80211_STA_INFO_RX_DROP_MISC] = { .type = NLA_U64 },
7825 [NL80211_STA_INFO_BEACON_RX] = { .type = NLA_U64 },
7826 [NL80211_STA_INFO_BEACON_SIGNAL_AVG] = { .type = NLA_U8},
7827 [NL80211_STA_INFO_RX_DURATION] = { .type = NLA_U64 },
7828 [NL80211_STA_INFO_ACK_SIGNAL] = { .type = NLA_U8 },
7829 [NL80211_STA_INFO_ACK_SIGNAL_AVG] = { .type = NLA_S8 },
7830 [NL80211_STA_INFO_RX_MPDUS] = { .type = NLA_U32 },
7831 [NL80211_STA_INFO_FCS_ERROR_COUNT] = { .type = NLA_U32 },
7832 [NL80211_STA_INFO_TX_DURATION] = { .type = NLA_U64 },
7833 };
7834 struct nlattr *rate[NL80211_RATE_INFO_MAX + 1];
7835 static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
7836 [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
7837 [NL80211_RATE_INFO_BITRATE32] = { .type = NLA_U32 },
7838 [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
7839 [NL80211_RATE_INFO_VHT_MCS] = { .type = NLA_U8 },
7840 [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
7841 [NL80211_RATE_INFO_VHT_NSS] = { .type = NLA_U8 },
7842 [NL80211_RATE_INFO_HE_MCS] = { .type = NLA_U8 },
7843 [NL80211_RATE_INFO_HE_NSS] = { .type = NLA_U8 },
7844 [NL80211_RATE_INFO_HE_GI] = { .type = NLA_U8 },
7845 [NL80211_RATE_INFO_HE_DCM] = { .type = NLA_U8 },
7846 };
7847
7848 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
7849 genlmsg_attrlen(gnlh, 0), NULL);
7850
7851 /*
7852 * TODO: validate the interface and mac address!
7853 * Otherwise, there's a race condition as soon as
7854 * the kernel starts sending station notifications.
7855 */
7856
7857 if (!tb[NL80211_ATTR_STA_INFO]) {
7858 wpa_printf(MSG_DEBUG, "sta stats missing!");
7859 return NL_SKIP;
7860 }
7861 if (nla_parse_nested(stats, NL80211_STA_INFO_MAX,
7862 tb[NL80211_ATTR_STA_INFO],
7863 stats_policy)) {
7864 wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
7865 return NL_SKIP;
7866 }
7867
7868 if (stats[NL80211_STA_INFO_INACTIVE_TIME])
7869 data->inactive_msec =
7870 nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]);
7871 /* For backwards compatibility, fetch the 32-bit counters first. */
7872 if (stats[NL80211_STA_INFO_RX_BYTES])
7873 data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]);
7874 if (stats[NL80211_STA_INFO_TX_BYTES])
7875 data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]);
7876 if (stats[NL80211_STA_INFO_RX_BYTES64] &&
7877 stats[NL80211_STA_INFO_TX_BYTES64]) {
7878 /*
7879 * The driver supports 64-bit counters, so use them to override
7880 * the 32-bit values.
7881 */
7882 data->rx_bytes =
7883 nla_get_u64(stats[NL80211_STA_INFO_RX_BYTES64]);
7884 data->tx_bytes =
7885 nla_get_u64(stats[NL80211_STA_INFO_TX_BYTES64]);
7886 data->bytes_64bit = 1;
7887 }
7888 if (stats[NL80211_STA_INFO_SIGNAL])
7889 data->signal = (s8) nla_get_u8(stats[NL80211_STA_INFO_SIGNAL]);
7890 if (stats[NL80211_STA_INFO_RX_PACKETS])
7891 data->rx_packets =
7892 nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]);
7893 if (stats[NL80211_STA_INFO_TX_PACKETS])
7894 data->tx_packets =
7895 nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]);
7896 if (stats[NL80211_STA_INFO_TX_RETRIES])
7897 data->tx_retry_count =
7898 nla_get_u32(stats[NL80211_STA_INFO_TX_RETRIES]);
7899 if (stats[NL80211_STA_INFO_TX_FAILED])
7900 data->tx_retry_failed =
7901 nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]);
7902 if (stats[NL80211_STA_INFO_SIGNAL_AVG])
7903 data->avg_signal =
7904 (s8) nla_get_u8(stats[NL80211_STA_INFO_SIGNAL_AVG]);
7905 if (stats[NL80211_STA_INFO_CONNECTED_TIME]) {
7906 data->connected_sec =
7907 nla_get_u32(stats[NL80211_STA_INFO_CONNECTED_TIME]);
7908 data->flags |= STA_DRV_DATA_CONN_TIME;
7909 }
7910 if (stats[NL80211_STA_INFO_BEACON_LOSS])
7911 data->beacon_loss_count =
7912 nla_get_u32(stats[NL80211_STA_INFO_BEACON_LOSS]);
7913 if (stats[NL80211_STA_INFO_EXPECTED_THROUGHPUT])
7914 data->expected_throughput =
7915 nla_get_u32(stats[NL80211_STA_INFO_EXPECTED_THROUGHPUT]);
7916 if (stats[NL80211_STA_INFO_RX_DROP_MISC])
7917 data->rx_drop_misc =
7918 nla_get_u64(stats[NL80211_STA_INFO_RX_DROP_MISC]);
7919 if (stats[NL80211_STA_INFO_BEACON_RX])
7920 data->beacons_count =
7921 nla_get_u64(stats[NL80211_STA_INFO_BEACON_RX]);
7922 if (stats[NL80211_STA_INFO_BEACON_SIGNAL_AVG])
7923 data->avg_beacon_signal =
7924 (s8) nla_get_u8(stats[NL80211_STA_INFO_BEACON_SIGNAL_AVG]);
7925 if (stats[NL80211_STA_INFO_RX_DURATION])
7926 data->rx_airtime =
7927 nla_get_u64(stats[NL80211_STA_INFO_RX_DURATION]);
7928 if (stats[NL80211_STA_INFO_ACK_SIGNAL]) {
7929 data->last_ack_rssi =
7930 nla_get_u8(stats[NL80211_STA_INFO_ACK_SIGNAL]);
7931 data->flags |= STA_DRV_DATA_LAST_ACK_RSSI;
7932 }
7933 if (stats[NL80211_STA_INFO_ACK_SIGNAL_AVG])
7934 data->avg_ack_signal =
7935 nla_get_s8(stats[NL80211_STA_INFO_ACK_SIGNAL_AVG]);
7936 if (stats[NL80211_STA_INFO_RX_MPDUS])
7937 data->rx_mpdus = nla_get_u32(stats[NL80211_STA_INFO_RX_MPDUS]);
7938 if (stats[NL80211_STA_INFO_FCS_ERROR_COUNT])
7939 data->fcs_error_count =
7940 nla_get_u32(stats[NL80211_STA_INFO_FCS_ERROR_COUNT]);
7941 if (stats[NL80211_STA_INFO_TX_DURATION])
7942 data->tx_airtime =
7943 nla_get_u64(stats[NL80211_STA_INFO_TX_DURATION]);
7944
7945 if (stats[NL80211_STA_INFO_TX_BITRATE] &&
7946 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
7947 stats[NL80211_STA_INFO_TX_BITRATE],
7948 rate_policy) == 0) {
7949 if (rate[NL80211_RATE_INFO_BITRATE32])
7950 data->current_tx_rate =
7951 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
7952 else if (rate[NL80211_RATE_INFO_BITRATE])
7953 data->current_tx_rate =
7954 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
7955
7956 /* Convert from 100 kbps to kbps; it's a more convenient unit.
7957 * It's also safe up until ~1Tbps. */
7958 data->current_tx_rate = data->current_tx_rate * 100;
7959
7960 if (rate[NL80211_RATE_INFO_MCS]) {
7961 data->tx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
7962 data->flags |= STA_DRV_DATA_TX_MCS;
7963 }
7964 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
7965 data->tx_vhtmcs =
7966 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
7967 data->flags |= STA_DRV_DATA_TX_VHT_MCS;
7968 }
7969 if (rate[NL80211_RATE_INFO_SHORT_GI]) {
7970 data->tx_guard_interval = GUARD_INTERVAL_0_4;
7971 data->flags |= STA_DRV_DATA_TX_SHORT_GI;
7972 }
7973 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
7974 data->tx_vht_nss =
7975 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
7976 data->flags |= STA_DRV_DATA_TX_VHT_NSS;
7977 }
7978 if (rate[NL80211_RATE_INFO_HE_MCS]) {
7979 data->tx_hemcs =
7980 nla_get_u8(rate[NL80211_RATE_INFO_HE_MCS]);
7981 data->flags |= STA_DRV_DATA_TX_HE_MCS;
7982 }
7983 if (rate[NL80211_RATE_INFO_HE_NSS]) {
7984 data->tx_he_nss =
7985 nla_get_u8(rate[NL80211_RATE_INFO_HE_NSS]);
7986 data->flags |= STA_DRV_DATA_TX_HE_NSS;
7987 }
7988 if (rate[NL80211_RATE_INFO_HE_GI]) {
7989 switch (nla_get_u8(rate[NL80211_RATE_INFO_HE_GI])) {
7990 case NL80211_RATE_INFO_HE_GI_0_8:
7991 data->tx_guard_interval = GUARD_INTERVAL_0_8;
7992 break;
7993 case NL80211_RATE_INFO_HE_GI_1_6:
7994 data->tx_guard_interval = GUARD_INTERVAL_1_6;
7995 break;
7996 case NL80211_RATE_INFO_HE_GI_3_2:
7997 data->tx_guard_interval = GUARD_INTERVAL_3_2;
7998 break;
7999 }
8000 data->flags |= STA_DRV_DATA_TX_HE_GI;
8001 }
8002 if (rate[NL80211_RATE_INFO_HE_DCM]) {
8003 data->tx_dcm =
8004 nla_get_u8(rate[NL80211_RATE_INFO_HE_DCM]);
8005 data->flags |= STA_DRV_DATA_TX_HE_DCM;
8006 }
8007 }
8008
8009 if (stats[NL80211_STA_INFO_RX_BITRATE] &&
8010 nla_parse_nested(rate, NL80211_RATE_INFO_MAX,
8011 stats[NL80211_STA_INFO_RX_BITRATE],
8012 rate_policy) == 0) {
8013 if (rate[NL80211_RATE_INFO_BITRATE32])
8014 data->current_rx_rate =
8015 nla_get_u32(rate[NL80211_RATE_INFO_BITRATE32]);
8016 else if (rate[NL80211_RATE_INFO_BITRATE])
8017 data->current_rx_rate =
8018 nla_get_u16(rate[NL80211_RATE_INFO_BITRATE]);
8019
8020 /* Convert from 100 kbps to kbps; it's a more convenient unit.
8021 * It's also safe up until ~1Tbps. */
8022 data->current_rx_rate = data->current_rx_rate * 100;
8023
8024 if (rate[NL80211_RATE_INFO_MCS]) {
8025 data->rx_mcs = nla_get_u8(rate[NL80211_RATE_INFO_MCS]);
8026 data->flags |= STA_DRV_DATA_RX_MCS;
8027 }
8028 if (rate[NL80211_RATE_INFO_VHT_MCS]) {
8029 data->rx_vhtmcs =
8030 nla_get_u8(rate[NL80211_RATE_INFO_VHT_MCS]);
8031 data->flags |= STA_DRV_DATA_RX_VHT_MCS;
8032 }
8033 if (rate[NL80211_RATE_INFO_SHORT_GI]) {
8034 data->rx_guard_interval = GUARD_INTERVAL_0_4;
8035 data->flags |= STA_DRV_DATA_RX_SHORT_GI;
8036 }
8037 if (rate[NL80211_RATE_INFO_VHT_NSS]) {
8038 data->rx_vht_nss =
8039 nla_get_u8(rate[NL80211_RATE_INFO_VHT_NSS]);
8040 data->flags |= STA_DRV_DATA_RX_VHT_NSS;
8041 }
8042 if (rate[NL80211_RATE_INFO_HE_MCS]) {
8043 data->rx_hemcs =
8044 nla_get_u8(rate[NL80211_RATE_INFO_HE_MCS]);
8045 data->flags |= STA_DRV_DATA_RX_HE_MCS;
8046 }
8047 if (rate[NL80211_RATE_INFO_HE_NSS]) {
8048 data->rx_he_nss =
8049 nla_get_u8(rate[NL80211_RATE_INFO_HE_NSS]);
8050 data->flags |= STA_DRV_DATA_RX_HE_NSS;
8051 }
8052 if (rate[NL80211_RATE_INFO_HE_GI]) {
8053 switch (nla_get_u8(rate[NL80211_RATE_INFO_HE_GI])) {
8054 case NL80211_RATE_INFO_HE_GI_0_8:
8055 data->rx_guard_interval = GUARD_INTERVAL_0_8;
8056 break;
8057 case NL80211_RATE_INFO_HE_GI_1_6:
8058 data->rx_guard_interval = GUARD_INTERVAL_1_6;
8059 break;
8060 case NL80211_RATE_INFO_HE_GI_3_2:
8061 data->rx_guard_interval = GUARD_INTERVAL_3_2;
8062 break;
8063 }
8064 data->flags |= STA_DRV_DATA_RX_HE_GI;
8065 }
8066 if (rate[NL80211_RATE_INFO_HE_DCM]) {
8067 data->rx_dcm =
8068 nla_get_u8(rate[NL80211_RATE_INFO_HE_DCM]);
8069 data->flags |= STA_DRV_DATA_RX_HE_DCM;
8070 }
8071 }
8072
8073 if (stats[NL80211_STA_INFO_TID_STATS])
8074 get_sta_tid_stats(data, stats[NL80211_STA_INFO_TID_STATS]);
8075
8076 return NL_SKIP;
8077 }
8078
8079
nl80211_get_link_signal(struct wpa_driver_nl80211_data * drv,const u8 * bssid,struct hostap_sta_driver_data * data)8080 int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
8081 const u8 *bssid,
8082 struct hostap_sta_driver_data *data)
8083 {
8084 struct nl_msg *msg;
8085
8086 data->signal = -WPA_INVALID_NOISE;
8087 data->current_tx_rate = 0;
8088
8089 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) ||
8090 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) {
8091 nlmsg_free(msg);
8092 return -ENOBUFS;
8093 }
8094
8095 return send_and_recv_resp(drv, msg, get_sta_handler, data);
8096 }
8097
8098
i802_read_sta_data(struct i802_bss * bss,struct hostap_sta_driver_data * data,const u8 * addr)8099 static int i802_read_sta_data(struct i802_bss *bss,
8100 struct hostap_sta_driver_data *data,
8101 const u8 *addr)
8102 {
8103 struct nl_msg *msg;
8104
8105 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) ||
8106 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
8107 nlmsg_free(msg);
8108 return -ENOBUFS;
8109 }
8110
8111 return send_and_recv_resp(bss->drv, msg, get_sta_handler, data);
8112 }
8113
8114
i802_set_tx_queue_params(void * priv,int queue,int aifs,int cw_min,int cw_max,int burst_time,int link_id)8115 static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
8116 int cw_min, int cw_max, int burst_time,
8117 int link_id)
8118 {
8119 struct i802_bss *bss = priv;
8120 struct wpa_driver_nl80211_data *drv = bss->drv;
8121 struct nl_msg *msg;
8122 struct nlattr *txq, *params;
8123 int res;
8124
8125 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY);
8126 if (!msg)
8127 return -1;
8128
8129 txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
8130 if (!txq)
8131 goto fail;
8132
8133 /* We are only sending parameters for a single TXQ at a time */
8134 params = nla_nest_start(msg, 1);
8135 if (!params)
8136 goto fail;
8137
8138 switch (queue) {
8139 case 0:
8140 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO))
8141 goto fail;
8142 break;
8143 case 1:
8144 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI))
8145 goto fail;
8146 break;
8147 case 2:
8148 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE))
8149 goto fail;
8150 break;
8151 case 3:
8152 if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK))
8153 goto fail;
8154 break;
8155 }
8156 /* Burst time is configured in units of 0.1 msec and TXOP parameter in
8157 * 32 usec, so need to convert the value here. */
8158 if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP,
8159 (burst_time * 100 + 16) / 32) ||
8160 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) ||
8161 nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) ||
8162 nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs))
8163 goto fail;
8164
8165 nla_nest_end(msg, params);
8166
8167 nla_nest_end(msg, txq);
8168
8169 if (link_id != NL80211_DRV_LINK_ID_NA &&
8170 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
8171 goto fail;
8172
8173 res = send_and_recv_cmd(drv, msg);
8174 wpa_printf(MSG_DEBUG,
8175 "nl80211: link=%d: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
8176 link_id, queue, aifs, cw_min, cw_max, burst_time, res);
8177 if (res == 0)
8178 return 0;
8179 msg = NULL;
8180 fail:
8181 nlmsg_free(msg);
8182 return -1;
8183 }
8184
8185
i802_set_sta_vlan(struct i802_bss * bss,const u8 * addr,const char * ifname,int vlan_id,int link_id)8186 static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
8187 const char *ifname, int vlan_id, int link_id)
8188 {
8189 struct wpa_driver_nl80211_data *drv = bss->drv;
8190 struct nl_msg *msg;
8191 int ret;
8192
8193 wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR
8194 ", ifname=%s[%d], vlan_id=%d)",
8195 bss->ifname, if_nametoindex(bss->ifname),
8196 MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id);
8197 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) ||
8198 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
8199 (vlan_id && (drv->capa.flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD) &&
8200 nla_put_u16(msg, NL80211_ATTR_VLAN_ID, vlan_id)) ||
8201 (link_id != NL80211_DRV_LINK_ID_NA &&
8202 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
8203 nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) {
8204 nlmsg_free(msg);
8205 return -ENOBUFS;
8206 }
8207
8208 ret = send_and_recv_cmd(drv, msg);
8209 if (ret < 0) {
8210 wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
8211 MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
8212 MAC2STR(addr), ifname, vlan_id, ret,
8213 strerror(-ret));
8214 }
8215 return ret;
8216 }
8217
8218
i802_get_inact_sec(void * priv,const u8 * addr)8219 static int i802_get_inact_sec(void *priv, const u8 *addr)
8220 {
8221 struct hostap_sta_driver_data data;
8222 int ret;
8223
8224 os_memset(&data, 0, sizeof(data));
8225 data.inactive_msec = (unsigned long) -1;
8226 ret = i802_read_sta_data(priv, &data, addr);
8227 if (ret == -ENOENT)
8228 return -ENOENT;
8229 if (ret || data.inactive_msec == (unsigned long) -1)
8230 return -1;
8231 return data.inactive_msec / 1000;
8232 }
8233
8234
i802_sta_clear_stats(void * priv,const u8 * addr)8235 static int i802_sta_clear_stats(void *priv, const u8 *addr)
8236 {
8237 #if 0
8238 /* TODO */
8239 #endif
8240 return 0;
8241 }
8242
8243
i802_sta_deauth(void * priv,const u8 * own_addr,const u8 * addr,u16 reason,int link_id)8244 static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
8245 u16 reason, int link_id)
8246 {
8247 struct i802_bss *bss = priv;
8248 struct wpa_driver_nl80211_data *drv = bss->drv;
8249 struct ieee80211_mgmt mgmt;
8250 u8 channel;
8251 struct i802_link *link = nl80211_get_link(bss, link_id);
8252
8253 if (ieee80211_freq_to_chan(link->freq, &channel) ==
8254 HOSTAPD_MODE_IEEE80211AD) {
8255 /* Deauthentication is not used in DMG/IEEE 802.11ad;
8256 * disassociate the STA instead. */
8257 return i802_sta_disassoc(priv, own_addr, addr, reason);
8258 }
8259
8260 if (is_mesh_interface(drv->nlmode))
8261 return -1;
8262
8263 if (drv->device_ap_sme)
8264 return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason);
8265
8266 memset(&mgmt, 0, sizeof(mgmt));
8267 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
8268 WLAN_FC_STYPE_DEAUTH);
8269 memcpy(mgmt.da, addr, ETH_ALEN);
8270 memcpy(mgmt.sa, own_addr, ETH_ALEN);
8271 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
8272 mgmt.u.deauth.reason_code = host_to_le16(reason);
8273 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
8274 IEEE80211_HDRLEN +
8275 sizeof(mgmt.u.deauth), 0, 0, 0, 0,
8276 0, NULL, 0, 0, link_id);
8277 }
8278
8279
i802_sta_disassoc(void * priv,const u8 * own_addr,const u8 * addr,u16 reason)8280 static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
8281 u16 reason)
8282 {
8283 struct i802_bss *bss = priv;
8284 struct wpa_driver_nl80211_data *drv = bss->drv;
8285 struct ieee80211_mgmt mgmt;
8286
8287 if (is_mesh_interface(drv->nlmode))
8288 return -1;
8289
8290 if (drv->device_ap_sme)
8291 return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason);
8292
8293 memset(&mgmt, 0, sizeof(mgmt));
8294 mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
8295 WLAN_FC_STYPE_DISASSOC);
8296 memcpy(mgmt.da, addr, ETH_ALEN);
8297 memcpy(mgmt.sa, own_addr, ETH_ALEN);
8298 memcpy(mgmt.bssid, own_addr, ETH_ALEN);
8299 mgmt.u.disassoc.reason_code = host_to_le16(reason);
8300 return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
8301 IEEE80211_HDRLEN +
8302 sizeof(mgmt.u.disassoc), 0, 0, 0, 0,
8303 0, NULL, 0, 0, -1);
8304 }
8305
8306
dump_ifidx(struct wpa_driver_nl80211_data * drv)8307 static void dump_ifidx(struct wpa_driver_nl80211_data *drv)
8308 {
8309 char buf[200], *pos, *end;
8310 int i, res;
8311
8312 pos = buf;
8313 end = pos + sizeof(buf);
8314
8315 for (i = 0; i < drv->num_if_indices; i++) {
8316 if (!drv->if_indices[i].ifindex)
8317 continue;
8318 res = os_snprintf(pos, end - pos, " %d(%d)",
8319 drv->if_indices[i].ifindex,
8320 drv->if_indices[i].reason);
8321 if (os_snprintf_error(end - pos, res))
8322 break;
8323 pos += res;
8324 }
8325 *pos = '\0';
8326
8327 wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s",
8328 drv->num_if_indices, buf);
8329 }
8330
8331
add_ifidx(struct wpa_driver_nl80211_data * drv,int ifidx,int ifidx_reason)8332 static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
8333 int ifidx_reason)
8334 {
8335 int i;
8336 struct drv_nl80211_if_info *old;
8337
8338 wpa_printf(MSG_DEBUG,
8339 "nl80211: Add own interface ifindex %d (ifidx_reason %d)",
8340 ifidx, ifidx_reason);
8341 if (have_ifidx(drv, ifidx, ifidx_reason)) {
8342 wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list",
8343 ifidx);
8344 return;
8345 }
8346 for (i = 0; i < drv->num_if_indices; i++) {
8347 if (drv->if_indices[i].ifindex == 0) {
8348 drv->if_indices[i].ifindex = ifidx;
8349 drv->if_indices[i].reason = ifidx_reason;
8350 dump_ifidx(drv);
8351 return;
8352 }
8353 }
8354
8355 if (drv->if_indices != drv->default_if_indices)
8356 old = drv->if_indices;
8357 else
8358 old = NULL;
8359
8360 drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1,
8361 sizeof(*old));
8362 if (!drv->if_indices) {
8363 if (!old)
8364 drv->if_indices = drv->default_if_indices;
8365 else
8366 drv->if_indices = old;
8367 wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
8368 "interfaces");
8369 wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
8370 return;
8371 }
8372 if (!old)
8373 os_memcpy(drv->if_indices, drv->default_if_indices,
8374 sizeof(drv->default_if_indices));
8375 drv->if_indices[drv->num_if_indices].ifindex = ifidx;
8376 drv->if_indices[drv->num_if_indices].reason = ifidx_reason;
8377 drv->num_if_indices++;
8378 dump_ifidx(drv);
8379 }
8380
8381
del_ifidx(struct wpa_driver_nl80211_data * drv,int ifidx,int ifidx_reason)8382 static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
8383 int ifidx_reason)
8384 {
8385 int i;
8386
8387 for (i = 0; i < drv->num_if_indices; i++) {
8388 if ((drv->if_indices[i].ifindex == ifidx ||
8389 ifidx == IFIDX_ANY) &&
8390 (drv->if_indices[i].reason == ifidx_reason ||
8391 ifidx_reason == IFIDX_ANY)) {
8392 drv->if_indices[i].ifindex = 0;
8393 drv->if_indices[i].reason = 0;
8394 break;
8395 }
8396 }
8397 dump_ifidx(drv);
8398 }
8399
8400
have_ifidx(struct wpa_driver_nl80211_data * drv,int ifidx,int ifidx_reason)8401 static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx,
8402 int ifidx_reason)
8403 {
8404 int i;
8405
8406 for (i = 0; i < drv->num_if_indices; i++)
8407 if (drv->if_indices[i].ifindex == ifidx &&
8408 (drv->if_indices[i].reason == ifidx_reason ||
8409 ifidx_reason == IFIDX_ANY))
8410 return 1;
8411
8412 return 0;
8413 }
8414
8415
i802_set_wds_sta(void * priv,const u8 * addr,int aid,int val,const char * bridge_ifname,char * ifname_wds)8416 static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
8417 const char *bridge_ifname, char *ifname_wds)
8418 {
8419 struct i802_bss *bss = priv;
8420 struct wpa_driver_nl80211_data *drv = bss->drv;
8421 char name[IFNAMSIZ + 1];
8422 union wpa_event_data event;
8423 int ret;
8424
8425 ret = os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
8426 if (ret >= (int) sizeof(name))
8427 wpa_printf(MSG_WARNING,
8428 "nl80211: WDS interface name was truncated");
8429 else if (ret < 0)
8430 return ret;
8431
8432 if (ifname_wds)
8433 os_strlcpy(ifname_wds, name, IFNAMSIZ + 1);
8434
8435 wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
8436 " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
8437 if (val) {
8438 if (!if_nametoindex(name)) {
8439 if (nl80211_create_iface(drv, name,
8440 NL80211_IFTYPE_AP_VLAN,
8441 bss->addr, 1, NULL, NULL, 0) <
8442 0)
8443 return -1;
8444 if (bridge_ifname &&
8445 linux_br_add_if(drv->global->ioctl_sock,
8446 bridge_ifname, name) < 0)
8447 return -1;
8448
8449 os_memset(&event, 0, sizeof(event));
8450 event.wds_sta_interface.sta_addr = addr;
8451 event.wds_sta_interface.ifname = name;
8452 event.wds_sta_interface.istatus = INTERFACE_ADDED;
8453 wpa_supplicant_event(bss->ctx,
8454 EVENT_WDS_STA_INTERFACE_STATUS,
8455 &event);
8456 }
8457 if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) {
8458 wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA "
8459 "interface %s up", name);
8460 }
8461 return i802_set_sta_vlan(priv, addr, name, 0,
8462 NL80211_DRV_LINK_ID_NA);
8463 } else {
8464 if (bridge_ifname &&
8465 linux_br_del_if(drv->global->ioctl_sock, bridge_ifname,
8466 name) < 0)
8467 wpa_printf(MSG_INFO,
8468 "nl80211: Failed to remove interface %s from bridge %s: %s",
8469 name, bridge_ifname, strerror(errno));
8470
8471 i802_set_sta_vlan(priv, addr, bss->ifname, 0,
8472 NL80211_DRV_LINK_ID_NA);
8473 nl80211_remove_iface(drv, if_nametoindex(name));
8474 os_memset(&event, 0, sizeof(event));
8475 event.wds_sta_interface.sta_addr = addr;
8476 event.wds_sta_interface.ifname = name;
8477 event.wds_sta_interface.istatus = INTERFACE_REMOVED;
8478 wpa_supplicant_event(bss->ctx, EVENT_WDS_STA_INTERFACE_STATUS,
8479 &event);
8480 return 0;
8481 }
8482 }
8483
8484
handle_eapol(int sock,void * eloop_ctx,void * sock_ctx)8485 static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
8486 {
8487 struct wpa_driver_nl80211_data *drv = eloop_ctx;
8488 struct sockaddr_ll lladdr;
8489 unsigned char buf[3000];
8490 int len;
8491 socklen_t fromlen = sizeof(lladdr);
8492
8493 len = recvfrom(sock, buf, sizeof(buf), 0,
8494 (struct sockaddr *)&lladdr, &fromlen);
8495 if (len < 0) {
8496 wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s",
8497 strerror(errno));
8498 return;
8499 }
8500
8501 if (have_ifidx(drv, lladdr.sll_ifindex, IFIDX_ANY))
8502 drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
8503 }
8504
8505
i802_check_bridge(struct wpa_driver_nl80211_data * drv,struct i802_bss * bss,const char * brname,const char * ifname)8506 static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
8507 struct i802_bss *bss,
8508 const char *brname, const char *ifname)
8509 {
8510 int br_ifindex;
8511 char in_br[IFNAMSIZ];
8512
8513 os_strlcpy(bss->brname, brname, IFNAMSIZ);
8514 br_ifindex = if_nametoindex(brname);
8515 if (br_ifindex == 0) {
8516 /*
8517 * Bridge was configured, but the bridge device does
8518 * not exist. Try to add it now.
8519 */
8520 if (linux_br_add(drv->global->ioctl_sock, brname) < 0) {
8521 wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
8522 "bridge interface %s: %s",
8523 brname, strerror(errno));
8524 return -1;
8525 }
8526 bss->added_bridge = 1;
8527 br_ifindex = if_nametoindex(brname);
8528 add_ifidx(drv, br_ifindex, drv->ifindex);
8529 }
8530 bss->br_ifindex = br_ifindex;
8531
8532 if (linux_br_get(in_br, ifname) == 0) {
8533 if (os_strcmp(in_br, brname) == 0) {
8534 bss->already_in_bridge = 1;
8535 return 0; /* already in the bridge */
8536 }
8537
8538 wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
8539 "bridge %s", ifname, in_br);
8540 if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) <
8541 0) {
8542 wpa_printf(MSG_ERROR, "nl80211: Failed to "
8543 "remove interface %s from bridge "
8544 "%s: %s",
8545 ifname, in_br, strerror(errno));
8546 return -1;
8547 }
8548 }
8549
8550 wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
8551 ifname, brname);
8552 if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) {
8553 wpa_printf(MSG_WARNING,
8554 "nl80211: Failed to add interface %s into bridge %s: %s",
8555 ifname, brname, strerror(errno));
8556 /* Try to continue without the interface being in a bridge. This
8557 * may be needed for some cases, e.g., with Open vSwitch, where
8558 * an external component will need to handle bridge
8559 * configuration. */
8560 return 0;
8561 }
8562 bss->added_if_into_bridge = 1;
8563
8564 return 0;
8565 }
8566
8567
i802_init(struct hostapd_data * hapd,struct wpa_init_params * params)8568 static void *i802_init(struct hostapd_data *hapd,
8569 struct wpa_init_params *params)
8570 {
8571 struct wpa_driver_nl80211_data *drv;
8572 struct i802_bss *bss;
8573 size_t i;
8574 char master_ifname[IFNAMSIZ];
8575 int ifindex, br_ifindex = 0;
8576 int br_added = 0;
8577
8578 bss = wpa_driver_nl80211_drv_init(hapd, params->ifname,
8579 params->global_priv, 1,
8580 params->bssid, params->driver_params);
8581 if (bss == NULL)
8582 return NULL;
8583
8584 drv = bss->drv;
8585
8586 if (linux_br_get(master_ifname, params->ifname) == 0) {
8587 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
8588 params->ifname, master_ifname);
8589 br_ifindex = if_nametoindex(master_ifname);
8590 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
8591 } else if ((params->num_bridge == 0 || !params->bridge[0]) &&
8592 linux_master_get(master_ifname, params->ifname) == 0) {
8593 wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in master %s",
8594 params->ifname, master_ifname);
8595 /* start listening for EAPOL on the master interface */
8596 add_ifidx(drv, if_nametoindex(master_ifname), drv->ifindex);
8597
8598 /* check if master itself is under bridge */
8599 if (linux_br_get(master_ifname, master_ifname) == 0) {
8600 wpa_printf(MSG_DEBUG, "nl80211: which is in bridge %s",
8601 master_ifname);
8602 br_ifindex = if_nametoindex(master_ifname);
8603 os_strlcpy(bss->brname, master_ifname, IFNAMSIZ);
8604 }
8605 } else {
8606 master_ifname[0] = '\0';
8607 }
8608
8609 bss->br_ifindex = br_ifindex;
8610
8611 for (i = 0; i < params->num_bridge; i++) {
8612 if (params->bridge[i]) {
8613 ifindex = if_nametoindex(params->bridge[i]);
8614 if (ifindex)
8615 add_ifidx(drv, ifindex, drv->ifindex);
8616 if (ifindex == br_ifindex)
8617 br_added = 1;
8618 }
8619 }
8620
8621 /* start listening for EAPOL on the default AP interface */
8622 add_ifidx(drv, drv->ifindex, IFIDX_ANY);
8623
8624 if (params->num_bridge && params->bridge[0]) {
8625 if (i802_check_bridge(drv, bss, params->bridge[0],
8626 params->ifname) < 0)
8627 goto failed;
8628 if (os_strcmp(params->bridge[0], master_ifname) != 0)
8629 br_added = 1;
8630 }
8631
8632 if (!br_added && br_ifindex &&
8633 (params->num_bridge == 0 || !params->bridge[0]))
8634 add_ifidx(drv, br_ifindex, drv->ifindex);
8635
8636 if (bss->added_if_into_bridge || bss->already_in_bridge) {
8637 int err;
8638
8639 drv->rtnl_sk = nl_socket_alloc();
8640 if (drv->rtnl_sk == NULL) {
8641 wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock");
8642 goto failed;
8643 }
8644
8645 err = nl_connect(drv->rtnl_sk, NETLINK_ROUTE);
8646 if (err) {
8647 wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s",
8648 nl_geterror(err));
8649 goto failed;
8650 }
8651 }
8652
8653 if (drv->capa.flags2 & WPA_DRIVER_FLAGS2_CONTROL_PORT_RX) {
8654 wpa_printf(MSG_DEBUG,
8655 "nl80211: Do not open EAPOL RX socket - using control port for RX");
8656 goto skip_eapol_sock;
8657 }
8658
8659 drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
8660 if (drv->eapol_sock < 0) {
8661 wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s",
8662 strerror(errno));
8663 goto failed;
8664 }
8665
8666 if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
8667 {
8668 wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol");
8669 goto failed;
8670 }
8671 skip_eapol_sock:
8672
8673 if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname,
8674 params->own_addr))
8675 goto failed;
8676 os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN);
8677
8678 memcpy(bss->addr, params->own_addr, ETH_ALEN);
8679
8680 return bss;
8681
8682 failed:
8683 wpa_driver_nl80211_deinit(bss);
8684 return NULL;
8685 }
8686
8687
i802_deinit(void * priv)8688 static void i802_deinit(void *priv)
8689 {
8690 struct i802_bss *bss = priv;
8691 wpa_driver_nl80211_deinit(bss);
8692 }
8693
8694
wpa_driver_nl80211_if_type(enum wpa_driver_if_type type)8695 static enum nl80211_iftype wpa_driver_nl80211_if_type(
8696 enum wpa_driver_if_type type)
8697 {
8698 switch (type) {
8699 case WPA_IF_STATION:
8700 return NL80211_IFTYPE_STATION;
8701 case WPA_IF_P2P_CLIENT:
8702 case WPA_IF_P2P_GROUP:
8703 return NL80211_IFTYPE_P2P_CLIENT;
8704 case WPA_IF_AP_VLAN:
8705 return NL80211_IFTYPE_AP_VLAN;
8706 case WPA_IF_AP_BSS:
8707 return NL80211_IFTYPE_AP;
8708 case WPA_IF_P2P_GO:
8709 return NL80211_IFTYPE_P2P_GO;
8710 case WPA_IF_P2P_DEVICE:
8711 return NL80211_IFTYPE_P2P_DEVICE;
8712 case WPA_IF_MESH:
8713 return NL80211_IFTYPE_MESH_POINT;
8714 default:
8715 return -1;
8716 }
8717 }
8718
8719
nl80211_addr_in_use(struct nl80211_global * global,const u8 * addr)8720 static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
8721 {
8722 struct wpa_driver_nl80211_data *drv;
8723 dl_list_for_each(drv, &global->interfaces,
8724 struct wpa_driver_nl80211_data, list) {
8725 if (ether_addr_equal(addr, drv->first_bss->addr))
8726 return 1;
8727 }
8728 return 0;
8729 }
8730
8731
nl80211_vif_addr(struct wpa_driver_nl80211_data * drv,u8 * new_addr)8732 static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
8733 {
8734 unsigned int idx;
8735
8736 if (!drv->global)
8737 return -1;
8738
8739 os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN);
8740 for (idx = 0; idx < 64; idx++) {
8741 new_addr[0] = drv->first_bss->addr[0] | 0x02;
8742 new_addr[0] ^= idx << 2;
8743 if (!nl80211_addr_in_use(drv->global, new_addr))
8744 break;
8745 }
8746 if (idx == 64)
8747 return -1;
8748
8749 wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
8750 MACSTR, MAC2STR(new_addr));
8751
8752 return 0;
8753 }
8754
8755
8756 struct wdev_info {
8757 u64 wdev_id;
8758 int wdev_id_set;
8759 u8 macaddr[ETH_ALEN];
8760 };
8761
nl80211_wdev_handler(struct nl_msg * msg,void * arg)8762 static int nl80211_wdev_handler(struct nl_msg *msg, void *arg)
8763 {
8764 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
8765 struct nlattr *tb[NL80211_ATTR_MAX + 1];
8766 struct wdev_info *wi = arg;
8767
8768 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
8769 genlmsg_attrlen(gnlh, 0), NULL);
8770 if (tb[NL80211_ATTR_WDEV]) {
8771 wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
8772 wi->wdev_id_set = 1;
8773 }
8774
8775 if (tb[NL80211_ATTR_MAC])
8776 os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]),
8777 ETH_ALEN);
8778
8779 return NL_SKIP;
8780 }
8781
8782
wpa_driver_nl80211_if_add(void * priv,enum wpa_driver_if_type type,const char * ifname,const u8 * addr,void * bss_ctx,void ** drv_priv,char * force_ifname,u8 * if_addr,const char * bridge,int use_existing,int setup_ap)8783 static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
8784 const char *ifname, const u8 *addr,
8785 void *bss_ctx, void **drv_priv,
8786 char *force_ifname, u8 *if_addr,
8787 const char *bridge, int use_existing,
8788 int setup_ap)
8789 {
8790 enum nl80211_iftype nlmode;
8791 struct i802_bss *bss = priv;
8792 struct wpa_driver_nl80211_data *drv = bss->drv;
8793 int ifidx;
8794 int added = 1;
8795
8796 if (addr)
8797 os_memcpy(if_addr, addr, ETH_ALEN);
8798 nlmode = wpa_driver_nl80211_if_type(type);
8799 if (nlmode == NL80211_IFTYPE_P2P_DEVICE) {
8800 struct wdev_info p2pdev_info;
8801
8802 os_memset(&p2pdev_info, 0, sizeof(p2pdev_info));
8803 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
8804 0, nl80211_wdev_handler,
8805 &p2pdev_info, use_existing);
8806 if (!p2pdev_info.wdev_id_set || ifidx != 0) {
8807 wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s",
8808 ifname);
8809 return -1;
8810 }
8811
8812 drv->global->if_add_wdevid = p2pdev_info.wdev_id;
8813 drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set;
8814 if (!is_zero_ether_addr(p2pdev_info.macaddr))
8815 os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN);
8816 wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created",
8817 ifname,
8818 (long long unsigned int) p2pdev_info.wdev_id);
8819 } else {
8820 ifidx = nl80211_create_iface(drv, ifname, nlmode, addr,
8821 0, NULL, NULL, use_existing);
8822 if (use_existing && ifidx == -ENFILE) {
8823 added = 0;
8824 ifidx = if_nametoindex(ifname);
8825 } else if (ifidx < 0) {
8826 return -1;
8827 }
8828 }
8829
8830 if (!addr) {
8831 if (nlmode == NL80211_IFTYPE_P2P_DEVICE)
8832 os_memcpy(if_addr, bss->addr, ETH_ALEN);
8833 else if (linux_get_ifhwaddr(drv->global->ioctl_sock,
8834 ifname, if_addr) < 0) {
8835 if (added)
8836 nl80211_remove_iface(drv, ifidx);
8837 return -1;
8838 }
8839 }
8840
8841 if (!addr &&
8842 (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
8843 type == WPA_IF_P2P_GO || type == WPA_IF_MESH ||
8844 type == WPA_IF_STATION || type == WPA_IF_AP_BSS)) {
8845 /* Enforce unique address */
8846 u8 new_addr[ETH_ALEN];
8847
8848 if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname,
8849 new_addr) < 0) {
8850 if (added)
8851 nl80211_remove_iface(drv, ifidx);
8852 return -1;
8853 }
8854 if (nl80211_addr_in_use(drv->global, new_addr)) {
8855 wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
8856 "for interface %s type %d", ifname, type);
8857 if (nl80211_vif_addr(drv, new_addr) < 0) {
8858 if (added)
8859 nl80211_remove_iface(drv, ifidx);
8860 return -1;
8861 }
8862 if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname,
8863 new_addr) < 0) {
8864 if (added)
8865 nl80211_remove_iface(drv, ifidx);
8866 return -1;
8867 }
8868 }
8869 os_memcpy(if_addr, new_addr, ETH_ALEN);
8870 }
8871
8872 if (type == WPA_IF_AP_BSS && setup_ap) {
8873 struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
8874
8875 if (new_bss == NULL) {
8876 if (added)
8877 nl80211_remove_iface(drv, ifidx);
8878 return -1;
8879 }
8880
8881 if (bridge &&
8882 i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
8883 wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
8884 "interface %s to a bridge %s",
8885 ifname, bridge);
8886 if (added)
8887 nl80211_remove_iface(drv, ifidx);
8888 os_free(new_bss);
8889 return -1;
8890 }
8891
8892 if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1))
8893 {
8894 if (added)
8895 nl80211_remove_iface(drv, ifidx);
8896 os_free(new_bss);
8897 return -1;
8898 }
8899 os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ);
8900 os_memcpy(new_bss->addr, if_addr, ETH_ALEN);
8901 new_bss->ifindex = ifidx;
8902 new_bss->drv = drv;
8903 new_bss->next = drv->first_bss->next;
8904 new_bss->flink = &new_bss->links[0];
8905 new_bss->valid_links = 0;
8906 os_memcpy(new_bss->flink->addr, new_bss->addr, ETH_ALEN);
8907
8908 new_bss->flink->freq = drv->first_bss->flink->freq;
8909 new_bss->ctx = bss_ctx;
8910 new_bss->added_if = added;
8911 drv->first_bss->next = new_bss;
8912 if (drv_priv)
8913 *drv_priv = new_bss;
8914 nl80211_init_bss(new_bss);
8915
8916 /* Subscribe management frames for this WPA_IF_AP_BSS */
8917 if (nl80211_setup_ap(new_bss))
8918 return -1;
8919 }
8920
8921 if (drv->global)
8922 drv->global->if_add_ifindex = ifidx;
8923
8924 /*
8925 * Some virtual interfaces need to process EAPOL packets and events on
8926 * the parent interface. This is used mainly with hostapd.
8927 */
8928 if (ifidx > 0 &&
8929 (drv->hostapd ||
8930 nlmode == NL80211_IFTYPE_AP_VLAN ||
8931 nlmode == NL80211_IFTYPE_WDS ||
8932 nlmode == NL80211_IFTYPE_MONITOR))
8933 add_ifidx(drv, ifidx, IFIDX_ANY);
8934
8935 return 0;
8936 }
8937
8938
wpa_driver_nl80211_if_remove(struct i802_bss * bss,enum wpa_driver_if_type type,const char * ifname)8939 static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
8940 enum wpa_driver_if_type type,
8941 const char *ifname)
8942 {
8943 struct wpa_driver_nl80211_data *drv = bss->drv;
8944 int ifindex = if_nametoindex(ifname);
8945
8946 wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d",
8947 __func__, type, ifname, ifindex, bss->added_if);
8948 if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex))
8949 nl80211_remove_iface(drv, ifindex);
8950 else if (ifindex > 0 && !bss->added_if) {
8951 struct wpa_driver_nl80211_data *drv2;
8952 dl_list_for_each(drv2, &drv->global->interfaces,
8953 struct wpa_driver_nl80211_data, list) {
8954 del_ifidx(drv2, ifindex, IFIDX_ANY);
8955 del_ifidx(drv2, IFIDX_ANY, ifindex);
8956 }
8957 }
8958
8959 if (type != WPA_IF_AP_BSS)
8960 return 0;
8961
8962 if (bss->added_if_into_bridge) {
8963 if (linux_br_del_if(drv->global->ioctl_sock, bss->brname,
8964 bss->ifname) < 0)
8965 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
8966 "interface %s from bridge %s: %s",
8967 bss->ifname, bss->brname, strerror(errno));
8968 }
8969 if (bss->added_bridge) {
8970 if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
8971 wpa_printf(MSG_INFO, "nl80211: Failed to remove "
8972 "bridge %s: %s",
8973 bss->brname, strerror(errno));
8974 }
8975
8976 if (bss != drv->first_bss) {
8977 struct i802_bss *tbss;
8978
8979 wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it");
8980 for (tbss = drv->first_bss; tbss; tbss = tbss->next) {
8981 if (tbss->next == bss) {
8982 tbss->next = bss->next;
8983 /* Unsubscribe management frames */
8984 nl80211_teardown_ap(bss);
8985 nl80211_remove_links(bss);
8986 nl80211_destroy_bss(bss);
8987 if (!bss->added_if)
8988 i802_set_iface_flags(bss, 0);
8989 os_free(bss);
8990 bss = NULL;
8991 break;
8992 }
8993 }
8994 if (bss)
8995 wpa_printf(MSG_INFO, "nl80211: %s - could not find "
8996 "BSS %p in the list", __func__, bss);
8997 } else {
8998 wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context");
8999 nl80211_teardown_ap(bss);
9000 nl80211_remove_links(bss);
9001 if (!bss->added_if && !drv->first_bss->next)
9002 wpa_driver_nl80211_del_beacon_all(bss);
9003 nl80211_destroy_bss(bss);
9004 if (!bss->added_if)
9005 i802_set_iface_flags(bss, 0);
9006 if (drv->first_bss->next) {
9007 drv->first_bss = drv->first_bss->next;
9008 drv->ctx = drv->first_bss->ctx;
9009 drv->ifindex = drv->first_bss->ifindex;
9010 os_free(bss);
9011 } else {
9012 wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to");
9013 }
9014 }
9015
9016 return 0;
9017 }
9018
9019
cookie_handler(struct nl_msg * msg,void * arg)9020 static int cookie_handler(struct nl_msg *msg, void *arg)
9021 {
9022 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9023 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9024 u64 *cookie = arg;
9025 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9026 genlmsg_attrlen(gnlh, 0), NULL);
9027 if (tb[NL80211_ATTR_COOKIE])
9028 *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
9029 return NL_SKIP;
9030 }
9031
9032
nl80211_send_frame_cmd(struct i802_bss * bss,unsigned int freq,unsigned int wait,const u8 * buf,size_t buf_len,int save_cookie,int no_cck,int no_ack,int offchanok,const u16 * csa_offs,size_t csa_offs_len,int link_id)9033 static int nl80211_send_frame_cmd(struct i802_bss *bss,
9034 unsigned int freq, unsigned int wait,
9035 const u8 *buf, size_t buf_len,
9036 int save_cookie, int no_cck, int no_ack,
9037 int offchanok, const u16 *csa_offs,
9038 size_t csa_offs_len, int link_id)
9039 {
9040 struct wpa_driver_nl80211_data *drv = bss->drv;
9041 struct nl_msg *msg;
9042 u64 cookie;
9043 int ret = -1;
9044
9045 wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d "
9046 "no_ack=%d offchanok=%d",
9047 freq, wait, no_cck, no_ack, offchanok);
9048 wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len);
9049
9050 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) ||
9051 ((link_id != NL80211_DRV_LINK_ID_NA) &&
9052 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
9053 (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
9054 (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) ||
9055 (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
9056 drv->test_use_roc_tx) &&
9057 nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) ||
9058 (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) ||
9059 (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) ||
9060 (csa_offs && nla_put(msg, NL80211_ATTR_CSA_C_OFFSETS_TX,
9061 csa_offs_len * sizeof(u16), csa_offs)) ||
9062 nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf))
9063 goto fail;
9064
9065 cookie = 0;
9066 ret = send_and_recv_resp(drv, msg, cookie_handler, &cookie);
9067 msg = NULL;
9068 if (ret) {
9069 wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
9070 "(%s) (freq=%u wait=%u)", ret, strerror(-ret),
9071 freq, wait);
9072 } else {
9073 wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; "
9074 "cookie 0x%llx", no_ack ? " (no ACK)" : "",
9075 (long long unsigned int) cookie);
9076
9077 if (save_cookie)
9078 drv->send_frame_cookie = no_ack ? (u64) -1 : cookie;
9079
9080 if (!wait) {
9081 /* There is no need to store this cookie since there
9082 * is no wait that could be canceled later. */
9083 goto fail;
9084 }
9085 if (drv->num_send_frame_cookies == MAX_SEND_FRAME_COOKIES) {
9086 wpa_printf(MSG_DEBUG,
9087 "nl80211: Drop oldest pending send frame cookie 0x%llx",
9088 (long long unsigned int)
9089 drv->send_frame_cookies[0]);
9090 os_memmove(&drv->send_frame_cookies[0],
9091 &drv->send_frame_cookies[1],
9092 (MAX_SEND_FRAME_COOKIES - 1) *
9093 sizeof(u64));
9094 drv->num_send_frame_cookies--;
9095 }
9096 drv->send_frame_cookies[drv->num_send_frame_cookies] = cookie;
9097 drv->num_send_frame_cookies++;
9098 }
9099
9100 fail:
9101 nlmsg_free(msg);
9102 return ret;
9103 }
9104
9105
wpa_driver_nl80211_send_action(struct i802_bss * bss,unsigned int freq,unsigned int wait_time,const u8 * dst,const u8 * src,const u8 * bssid,const u8 * data,size_t data_len,int no_cck)9106 static int wpa_driver_nl80211_send_action(struct i802_bss *bss,
9107 unsigned int freq,
9108 unsigned int wait_time,
9109 const u8 *dst, const u8 *src,
9110 const u8 *bssid,
9111 const u8 *data, size_t data_len,
9112 int no_cck)
9113 {
9114 struct wpa_driver_nl80211_data *drv = bss->drv;
9115 int ret = -1;
9116 u8 *buf;
9117 struct ieee80211_hdr *hdr;
9118 int offchanok = 1;
9119
9120 if (is_ap_interface(drv->nlmode) && (int) freq == bss->flink->freq &&
9121 bss->flink->beacon_set)
9122 offchanok = 0;
9123
9124 if (!freq && is_sta_interface(drv->nlmode))
9125 offchanok = 0;
9126
9127 wpa_printf(MSG_DEBUG,
9128 "nl80211: Send Action frame (ifindex=%d, freq=%u MHz wait=%d ms no_cck=%d offchanok=%d dst="
9129 MACSTR " src=" MACSTR " bssid=" MACSTR ")",
9130 drv->ifindex, freq, wait_time, no_cck, offchanok,
9131 MAC2STR(dst), MAC2STR(src), MAC2STR(bssid));
9132
9133 buf = os_zalloc(24 + data_len);
9134 if (buf == NULL)
9135 return ret;
9136 os_memcpy(buf + 24, data, data_len);
9137 hdr = (struct ieee80211_hdr *) buf;
9138 hdr->frame_control =
9139 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
9140 os_memcpy(hdr->addr1, dst, ETH_ALEN);
9141 os_memcpy(hdr->addr2, src, ETH_ALEN);
9142 os_memcpy(hdr->addr3, bssid, ETH_ALEN);
9143
9144 if (!ether_addr_equal(bss->addr, src)) {
9145 wpa_printf(MSG_DEBUG, "nl80211: Use random TA " MACSTR,
9146 MAC2STR(src));
9147 os_memcpy(bss->rand_addr, src, ETH_ALEN);
9148 } else {
9149 os_memset(bss->rand_addr, 0, ETH_ALEN);
9150 }
9151
9152 #ifdef CONFIG_MESH
9153 if (is_mesh_interface(drv->nlmode)) {
9154 struct hostapd_hw_modes *modes;
9155 u16 num_modes, flags;
9156 u8 dfs_domain;
9157 int i;
9158
9159 modes = nl80211_get_hw_feature_data(bss, &num_modes,
9160 &flags, &dfs_domain);
9161 if (dfs_domain != HOSTAPD_DFS_REGION_ETSI &&
9162 ieee80211_is_dfs(bss->flink->freq, modes, num_modes))
9163 offchanok = 0;
9164 if (modes) {
9165 for (i = 0; i < num_modes; i++) {
9166 os_free(modes[i].channels);
9167 os_free(modes[i].rates);
9168 }
9169 os_free(modes);
9170 }
9171 }
9172 #endif /* CONFIG_MESH */
9173
9174 if (is_ap_interface(drv->nlmode) &&
9175 (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) ||
9176 (int) freq == bss->flink->freq || drv->device_ap_sme ||
9177 !drv->use_monitor))
9178 ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len,
9179 0, freq, no_cck, offchanok,
9180 wait_time, NULL, 0, 0, -1);
9181 else
9182 ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf,
9183 24 + data_len, 1, no_cck, 0,
9184 offchanok, NULL, 0,
9185 NL80211_DRV_LINK_ID_NA);
9186
9187 os_free(buf);
9188 return ret;
9189 }
9190
9191
nl80211_frame_wait_cancel(struct i802_bss * bss,u64 cookie)9192 static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
9193 {
9194 struct wpa_driver_nl80211_data *drv = bss->drv;
9195 struct nl_msg *msg;
9196 int ret;
9197
9198 wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx",
9199 (long long unsigned int) cookie);
9200 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) ||
9201 nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) {
9202 nlmsg_free(msg);
9203 return;
9204 }
9205
9206 ret = send_and_recv_cmd(drv, msg);
9207 if (ret)
9208 wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
9209 "(%s)", ret, strerror(-ret));
9210 }
9211
9212
wpa_driver_nl80211_send_action_cancel_wait(void * priv)9213 static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
9214 {
9215 struct i802_bss *bss = priv;
9216 struct wpa_driver_nl80211_data *drv = bss->drv;
9217 unsigned int i;
9218 u64 cookie;
9219
9220 /* Cancel the last pending TX cookie */
9221 if (drv->send_frame_cookie != (u64) -1)
9222 nl80211_frame_wait_cancel(bss, drv->send_frame_cookie);
9223
9224 /*
9225 * Cancel the other pending TX cookies, if any. This is needed since
9226 * the driver may keep a list of all pending offchannel TX operations
9227 * and free up the radio only once they have expired or cancelled.
9228 */
9229 for (i = drv->num_send_frame_cookies; i > 0; i--) {
9230 cookie = drv->send_frame_cookies[i - 1];
9231 if (cookie != drv->send_frame_cookie)
9232 nl80211_frame_wait_cancel(bss, cookie);
9233 }
9234 drv->num_send_frame_cookies = 0;
9235 }
9236
9237
nl80211_put_any_link_id(struct nl_msg * msg,struct driver_sta_mlo_info * mlo,int freq)9238 static int nl80211_put_any_link_id(struct nl_msg *msg,
9239 struct driver_sta_mlo_info *mlo,
9240 int freq)
9241 {
9242 int i;
9243 int link_id = -1;
9244 int any_valid_link_id = -1;
9245
9246 if (!mlo->valid_links)
9247 return 0;
9248
9249 /* First try to pick a link that uses the same band */
9250 for_each_link(mlo->valid_links, i) {
9251 if (any_valid_link_id == -1)
9252 any_valid_link_id = i;
9253
9254 if (is_same_band(freq, mlo->links[i].freq)) {
9255 link_id = i;
9256 break;
9257 }
9258 }
9259
9260 /* Use any valid link ID if no band match was found */
9261 if (link_id == -1)
9262 link_id = any_valid_link_id;
9263
9264 if (link_id == -1) {
9265 wpa_printf(MSG_INFO,
9266 "nl80211: No valid Link ID found for freq %u", freq);
9267 return 0;
9268 }
9269
9270 wpa_printf(MSG_DEBUG, "nl80211: Add Link ID %d", link_id);
9271 return nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id);
9272 }
9273
9274
wpa_driver_nl80211_remain_on_channel(void * priv,unsigned int freq,unsigned int duration)9275 static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
9276 unsigned int duration)
9277 {
9278 struct i802_bss *bss = priv;
9279 struct wpa_driver_nl80211_data *drv = bss->drv;
9280 struct nl_msg *msg;
9281 int ret;
9282 u64 cookie;
9283
9284 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) ||
9285 nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
9286 nla_put_u32(msg, NL80211_ATTR_DURATION, duration) ||
9287 nl80211_put_any_link_id(msg, &drv->sta_mlo_info, freq)) {
9288 nlmsg_free(msg);
9289 return -1;
9290 }
9291
9292 cookie = 0;
9293 ret = send_and_recv_resp(drv, msg, cookie_handler, &cookie);
9294 if (ret == 0) {
9295 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
9296 "0x%llx for freq=%u MHz duration=%u",
9297 (long long unsigned int) cookie, freq, duration);
9298 drv->remain_on_chan_cookie = cookie;
9299 drv->pending_remain_on_chan = 1;
9300 return 0;
9301 }
9302 wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
9303 "(freq=%d duration=%u): %d (%s)",
9304 freq, duration, ret, strerror(-ret));
9305 return -1;
9306 }
9307
9308
wpa_driver_nl80211_cancel_remain_on_channel(void * priv)9309 static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
9310 {
9311 struct i802_bss *bss = priv;
9312 struct wpa_driver_nl80211_data *drv = bss->drv;
9313 struct nl_msg *msg;
9314 int ret;
9315
9316 if (!drv->pending_remain_on_chan) {
9317 wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel "
9318 "to cancel");
9319 return -1;
9320 }
9321
9322 wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie "
9323 "0x%llx",
9324 (long long unsigned int) drv->remain_on_chan_cookie);
9325
9326 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL);
9327 if (!msg ||
9328 nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) {
9329 nlmsg_free(msg);
9330 return -1;
9331 }
9332
9333 ret = send_and_recv_cmd(drv, msg);
9334 if (ret == 0)
9335 return 0;
9336 wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
9337 "%d (%s)", ret, strerror(-ret));
9338 return -1;
9339 }
9340
9341
wpa_driver_nl80211_probe_req_report(struct i802_bss * bss,int report)9342 static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report)
9343 {
9344 struct wpa_driver_nl80211_data *drv = bss->drv;
9345
9346 if (!report) {
9347 if (bss->nl_preq && drv->device_ap_sme &&
9348 is_ap_interface(drv->nlmode) && !bss->in_deinit &&
9349 !bss->static_ap) {
9350 /*
9351 * Do not disable Probe Request reporting that was
9352 * enabled in nl80211_setup_ap().
9353 */
9354 wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of "
9355 "Probe Request reporting nl_preq=%p while "
9356 "in AP mode", bss->nl_preq);
9357 } else if (bss->nl_preq) {
9358 wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request "
9359 "reporting nl_preq=%p", bss->nl_preq);
9360 nl80211_destroy_eloop_handle(&bss->nl_preq, 0);
9361 }
9362 return 0;
9363 }
9364
9365 if (bss->nl_preq) {
9366 wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
9367 "already on! nl_preq=%p", bss->nl_preq);
9368 return 0;
9369 }
9370
9371 bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq");
9372 if (bss->nl_preq == NULL)
9373 return -1;
9374 wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request "
9375 "reporting nl_preq=%p", bss->nl_preq);
9376
9377 if (nl80211_register_frame(bss, bss->nl_preq,
9378 (WLAN_FC_TYPE_MGMT << 2) |
9379 (WLAN_FC_STYPE_PROBE_REQ << 4),
9380 NULL, 0, false) < 0)
9381 goto out_err;
9382
9383 nl80211_register_eloop_read(&bss->nl_preq,
9384 wpa_driver_nl80211_event_receive,
9385 bss->nl_cb, 0);
9386
9387 return 0;
9388
9389 out_err:
9390 nl_destroy_handles(&bss->nl_preq);
9391 return -1;
9392 }
9393
9394
nl80211_disable_11b_rates(struct wpa_driver_nl80211_data * drv,int ifindex,int disabled)9395 static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
9396 int ifindex, int disabled)
9397 {
9398 struct nl_msg *msg;
9399 struct nlattr *bands, *band;
9400 int ret;
9401
9402 wpa_printf(MSG_DEBUG,
9403 "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
9404 ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
9405 "no NL80211_TXRATE_LEGACY constraint");
9406
9407 msg = nl80211_ifindex_msg(drv, ifindex, 0,
9408 NL80211_CMD_SET_TX_BITRATE_MASK);
9409 if (!msg)
9410 return -1;
9411
9412 bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES);
9413 if (!bands)
9414 goto fail;
9415
9416 /*
9417 * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything
9418 * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS
9419 * rates. All 5 GHz rates are left enabled.
9420 */
9421 band = nla_nest_start(msg, NL80211_BAND_2GHZ);
9422 if (!band ||
9423 (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8,
9424 "\x0c\x12\x18\x24\x30\x48\x60\x6c")))
9425 goto fail;
9426 nla_nest_end(msg, band);
9427
9428 nla_nest_end(msg, bands);
9429
9430 ret = send_and_recv_cmd(drv, msg);
9431 if (ret) {
9432 wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
9433 "(%s)", ret, strerror(-ret));
9434 } else
9435 drv->disabled_11b_rates = disabled;
9436
9437 return ret;
9438
9439 fail:
9440 nlmsg_free(msg);
9441 return -1;
9442 }
9443
9444
nl80211_remove_link(struct i802_bss * bss,int link_id)9445 static int nl80211_remove_link(struct i802_bss *bss, int link_id)
9446 {
9447 struct wpa_driver_nl80211_data *drv = bss->drv;
9448 struct i802_link *link;
9449 struct nl_msg *msg;
9450 size_t i;
9451 int ret;
9452
9453 wpa_printf(MSG_DEBUG, "nl80211: Remove link (ifindex=%d link_id=%u)",
9454 bss->ifindex, link_id);
9455
9456 if (!(bss->valid_links & BIT(link_id))) {
9457 wpa_printf(MSG_DEBUG,
9458 "nl80211: MLD: remove link: Link not found");
9459 return -1;
9460 }
9461
9462 link = &bss->links[link_id];
9463
9464 wpa_driver_nl80211_del_beacon(bss, link_id);
9465
9466 /* First remove the link locally */
9467 bss->valid_links &= ~BIT(link_id);
9468 os_memset(link->addr, 0, ETH_ALEN);
9469
9470 /* Choose new deflink if we are removing that link */
9471 if (bss->flink == link) {
9472 for_each_link_default(bss->valid_links, i, 0) {
9473 bss->flink = &bss->links[i];
9474 break;
9475 }
9476 }
9477
9478 /* If this was the last link, reset default link */
9479 if (!bss->valid_links) {
9480 /* TODO: Does keeping freq/bandwidth make sense? */
9481 if (bss->flink != link)
9482 os_memcpy(bss->flink, link, sizeof(*link));
9483
9484 os_memcpy(bss->flink->addr, bss->addr, ETH_ALEN);
9485 }
9486
9487 /* Remove the link from the kernel */
9488 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_REMOVE_LINK);
9489 if (!msg ||
9490 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) {
9491 nlmsg_free(msg);
9492 wpa_printf(MSG_ERROR,
9493 "nl80211: remove link (%d) failed", link_id);
9494 return -1;
9495 }
9496
9497 ret = send_and_recv_cmd(drv, msg);
9498 if (ret)
9499 wpa_printf(MSG_ERROR,
9500 "nl80211: remove link (%d) failed. ret=%d (%s)",
9501 link_id, ret, strerror(-ret));
9502
9503 return ret;
9504 }
9505
9506
nl80211_remove_links(struct i802_bss * bss)9507 static void nl80211_remove_links(struct i802_bss *bss)
9508 {
9509 int ret;
9510 u8 link_id;
9511
9512 for_each_link(bss->valid_links, link_id) {
9513 ret = nl80211_remove_link(bss, link_id);
9514 if (ret)
9515 break;
9516 }
9517
9518 if (bss->flink)
9519 os_memcpy(bss->flink->addr, bss->addr, ETH_ALEN);
9520 }
9521
9522
wpa_driver_nl80211_deinit_ap(void * priv)9523 static int wpa_driver_nl80211_deinit_ap(void *priv)
9524 {
9525 struct i802_bss *bss = priv;
9526 struct wpa_driver_nl80211_data *drv = bss->drv;
9527
9528 if (!is_ap_interface(drv->nlmode))
9529 return -1;
9530
9531 /* Stop beaconing */
9532 wpa_driver_nl80211_del_beacon(bss, NL80211_DRV_LINK_ID_NA);
9533
9534 nl80211_remove_links(bss);
9535
9536 /*
9537 * If the P2P GO interface was dynamically added, then it is
9538 * possible that the interface change to station is not possible.
9539 */
9540 if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic)
9541 return 0;
9542
9543 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
9544 }
9545
9546
wpa_driver_nl80211_stop_ap(void * priv,int link_id)9547 static int wpa_driver_nl80211_stop_ap(void *priv, int link_id)
9548 {
9549 struct i802_bss *bss = priv;
9550 struct wpa_driver_nl80211_data *drv = bss->drv;
9551
9552 if (!is_ap_interface(drv->nlmode))
9553 return -1;
9554
9555 if (link_id == -1) {
9556 wpa_driver_nl80211_del_beacon_all(bss);
9557 return 0;
9558 }
9559
9560 if (nl80211_link_valid(bss->valid_links, link_id)) {
9561 wpa_driver_nl80211_del_beacon(bss, link_id);
9562 return 0;
9563 }
9564
9565 return -1;
9566 }
9567
9568
wpa_driver_nl80211_deinit_p2p_cli(void * priv)9569 static int wpa_driver_nl80211_deinit_p2p_cli(void *priv)
9570 {
9571 struct i802_bss *bss = priv;
9572 struct wpa_driver_nl80211_data *drv = bss->drv;
9573 if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT)
9574 return -1;
9575
9576 /*
9577 * If the P2P Client interface was dynamically added, then it is
9578 * possible that the interface change to station is not possible.
9579 */
9580 if (bss->if_dynamic)
9581 return 0;
9582
9583 return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION);
9584 }
9585
9586
wpa_driver_nl80211_resume(void * priv)9587 static void wpa_driver_nl80211_resume(void *priv)
9588 {
9589 struct i802_bss *bss = priv;
9590 enum nl80211_iftype nlmode = nl80211_get_ifmode(bss);
9591
9592 if (i802_set_iface_flags(bss, 1))
9593 wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event");
9594
9595 if (is_p2p_net_interface(nlmode))
9596 nl80211_disable_11b_rates(bss->drv, bss->drv->ifindex, 1);
9597 }
9598
9599
nl80211_signal_monitor(void * priv,int threshold,int hysteresis)9600 static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
9601 {
9602 struct i802_bss *bss = priv;
9603 struct wpa_driver_nl80211_data *drv = bss->drv;
9604 struct nl_msg *msg;
9605 struct nlattr *cqm;
9606
9607 wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d "
9608 "hysteresis=%d", threshold, hysteresis);
9609
9610 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) ||
9611 !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) ||
9612 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) ||
9613 nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) {
9614 nlmsg_free(msg);
9615 return -1;
9616 }
9617 nla_nest_end(msg, cqm);
9618
9619 return send_and_recv_cmd(drv, msg);
9620 }
9621
9622
get_channel_width(struct nl_msg * msg,void * arg)9623 static int get_channel_width(struct nl_msg *msg, void *arg)
9624 {
9625 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9626 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9627 struct wpa_signal_info *sig_change = arg;
9628
9629 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9630 genlmsg_attrlen(gnlh, 0), NULL);
9631
9632 sig_change->center_frq1 = -1;
9633 sig_change->center_frq2 = -1;
9634 sig_change->chanwidth = CHAN_WIDTH_UNKNOWN;
9635
9636 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
9637 sig_change->chanwidth = convert2width(
9638 nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]));
9639 if (tb[NL80211_ATTR_CENTER_FREQ1])
9640 sig_change->center_frq1 =
9641 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
9642 if (tb[NL80211_ATTR_CENTER_FREQ2])
9643 sig_change->center_frq2 =
9644 nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
9645 }
9646
9647 return NL_SKIP;
9648 }
9649
9650
nl80211_get_channel_width(struct wpa_driver_nl80211_data * drv,struct wpa_signal_info * sig)9651 static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
9652 struct wpa_signal_info *sig)
9653 {
9654 struct nl_msg *msg;
9655
9656 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
9657 return send_and_recv_resp(drv, msg, get_channel_width, sig);
9658 }
9659
9660
nl80211_signal_poll(void * priv,struct wpa_signal_info * si)9661 static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
9662 {
9663 struct i802_bss *bss = priv;
9664 struct wpa_driver_nl80211_data *drv = bss->drv;
9665 int res;
9666
9667 os_memset(si, 0, sizeof(*si));
9668 res = nl80211_get_link_signal(drv, drv->bssid, &si->data);
9669 if (res) {
9670 if (drv->nlmode != NL80211_IFTYPE_ADHOC &&
9671 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
9672 return res;
9673 si->data.signal = 0;
9674 }
9675
9676 res = nl80211_get_channel_width(drv, si);
9677 if (res != 0)
9678 return res;
9679
9680 return nl80211_get_link_noise(drv, si);
9681 }
9682
9683
get_links_noise(struct nl_msg * msg,void * arg)9684 static int get_links_noise(struct nl_msg *msg, void *arg)
9685 {
9686 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9687 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9688 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
9689 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
9690 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
9691 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
9692 };
9693 struct wpa_mlo_signal_info *mlo_sig = arg;
9694 int i;
9695
9696 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9697 genlmsg_attrlen(gnlh, 0), NULL);
9698
9699 if (!tb[NL80211_ATTR_SURVEY_INFO]) {
9700 wpa_printf(MSG_DEBUG, "nl80211: Survey data missing");
9701 return NL_SKIP;
9702 }
9703
9704 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
9705 tb[NL80211_ATTR_SURVEY_INFO],
9706 survey_policy)) {
9707 wpa_printf(MSG_DEBUG,
9708 "nl80211: Failed to parse nested attributes");
9709 return NL_SKIP;
9710 }
9711
9712 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
9713 return NL_SKIP;
9714
9715 if (!sinfo[NL80211_SURVEY_INFO_NOISE])
9716 return NL_SKIP;
9717
9718 for_each_link(mlo_sig->valid_links, i) {
9719 if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
9720 mlo_sig->links[i].frequency)
9721 continue;
9722
9723 mlo_sig->links[i].current_noise =
9724 (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
9725 break;
9726 }
9727
9728 return NL_SKIP;
9729 }
9730
9731
nl80211_get_links_noise(struct wpa_driver_nl80211_data * drv,struct wpa_mlo_signal_info * mlo_sig)9732 static int nl80211_get_links_noise(struct wpa_driver_nl80211_data *drv,
9733 struct wpa_mlo_signal_info *mlo_sig)
9734 {
9735 struct nl_msg *msg;
9736
9737 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
9738 return send_and_recv_resp(drv, msg, get_links_noise, mlo_sig);
9739 }
9740
9741
get_links_channel_width(struct nl_msg * msg,void * arg)9742 static int get_links_channel_width(struct nl_msg *msg, void *arg)
9743 {
9744 struct nlattr *tb[NL80211_ATTR_MAX + 1];
9745 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
9746 struct wpa_mlo_signal_info *mlo_sig = arg;
9747 struct nlattr *link;
9748 int rem_links;
9749
9750 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
9751 genlmsg_attrlen(gnlh, 0), NULL);
9752
9753 if (!tb[NL80211_ATTR_MLO_LINKS])
9754 return NL_SKIP;
9755
9756 nla_for_each_nested(link, tb[NL80211_ATTR_MLO_LINKS], rem_links) {
9757 struct nlattr *tb2[NL80211_ATTR_MAX + 1];
9758 int link_id;
9759
9760 nla_parse(tb2, NL80211_ATTR_MAX, nla_data(link), nla_len(link),
9761 NULL);
9762
9763 if (!tb2[NL80211_ATTR_MLO_LINK_ID])
9764 continue;
9765
9766 link_id = nla_get_u8(tb2[NL80211_ATTR_MLO_LINK_ID]);
9767 if (link_id >= MAX_NUM_MLD_LINKS)
9768 continue;
9769
9770 if (!tb2[NL80211_ATTR_CHANNEL_WIDTH])
9771 continue;
9772 mlo_sig->links[link_id].chanwidth = convert2width(
9773 nla_get_u32(tb2[NL80211_ATTR_CHANNEL_WIDTH]));
9774 if (tb2[NL80211_ATTR_CENTER_FREQ1])
9775 mlo_sig->links[link_id].center_frq1 =
9776 nla_get_u32(tb2[NL80211_ATTR_CENTER_FREQ1]);
9777 if (tb2[NL80211_ATTR_CENTER_FREQ2])
9778 mlo_sig->links[link_id].center_frq2 =
9779 nla_get_u32(tb2[NL80211_ATTR_CENTER_FREQ2]);
9780 }
9781
9782 return NL_SKIP;
9783 }
9784
9785
nl80211_get_links_channel_width(struct wpa_driver_nl80211_data * drv,struct wpa_mlo_signal_info * mlo_sig)9786 static int nl80211_get_links_channel_width(struct wpa_driver_nl80211_data *drv,
9787 struct wpa_mlo_signal_info *mlo_sig)
9788 {
9789 struct nl_msg *msg;
9790
9791 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
9792 return send_and_recv_resp(drv, msg, get_links_channel_width, mlo_sig);
9793 }
9794
9795
nl80211_mlo_signal_poll(void * priv,struct wpa_mlo_signal_info * mlo_si)9796 static int nl80211_mlo_signal_poll(void *priv,
9797 struct wpa_mlo_signal_info *mlo_si)
9798 {
9799 struct i802_bss *bss = priv;
9800 struct wpa_driver_nl80211_data *drv = bss->drv;
9801 int res;
9802 int i;
9803
9804 if (drv->nlmode != NL80211_IFTYPE_STATION ||
9805 !drv->sta_mlo_info.valid_links)
9806 return -1;
9807
9808 os_memset(mlo_si, 0, sizeof(*mlo_si));
9809 mlo_si->valid_links = drv->sta_mlo_info.valid_links;
9810
9811 for_each_link(mlo_si->valid_links, i) {
9812 res = nl80211_get_link_signal(drv,
9813 drv->sta_mlo_info.links[i].bssid,
9814 &mlo_si->links[i].data);
9815 if (res != 0)
9816 return res;
9817
9818 mlo_si->links[i].center_frq1 = -1;
9819 mlo_si->links[i].center_frq2 = -1;
9820 mlo_si->links[i].chanwidth = CHAN_WIDTH_UNKNOWN;
9821 mlo_si->links[i].current_noise = WPA_INVALID_NOISE;
9822 mlo_si->links[i].frequency = drv->sta_mlo_info.links[i].freq;
9823 }
9824
9825 res = nl80211_get_links_channel_width(drv, mlo_si);
9826 if (res != 0)
9827 return res;
9828
9829 return nl80211_get_links_noise(drv, mlo_si);
9830 }
9831
9832
nl80211_set_param(void * priv,const char * param)9833 static int nl80211_set_param(void *priv, const char *param)
9834 {
9835 struct i802_bss *bss = priv;
9836 struct wpa_driver_nl80211_data *drv = bss->drv;
9837
9838 if (param == NULL)
9839 return 0;
9840 wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
9841
9842 #ifdef CONFIG_P2P
9843 if (os_strstr(param, "use_p2p_group_interface=1")) {
9844 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
9845 "interface");
9846 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
9847 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
9848 }
9849 #endif /* CONFIG_P2P */
9850
9851 if (os_strstr(param, "use_monitor=1"))
9852 drv->use_monitor = 1;
9853
9854 if (os_strstr(param, "force_connect_cmd=1")) {
9855 drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME;
9856 drv->force_connect_cmd = 1;
9857 }
9858
9859 if (os_strstr(param, "force_bss_selection=1"))
9860 drv->capa.flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
9861
9862 if (os_strstr(param, "no_offchannel_tx=1")) {
9863 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
9864 drv->test_use_roc_tx = 1;
9865 }
9866
9867 if (os_strstr(param, "control_port=0")) {
9868 drv->capa.flags &= ~WPA_DRIVER_FLAGS_CONTROL_PORT;
9869 drv->capa.flags2 &= ~(WPA_DRIVER_FLAGS2_CONTROL_PORT_RX |
9870 WPA_DRIVER_FLAGS2_CONTROL_PORT_TX_STATUS);
9871 drv->control_port_ap = 0;
9872 }
9873
9874 if (os_strstr(param, "control_port_ap=1"))
9875 drv->control_port_ap = 1;
9876
9877 if (os_strstr(param, "control_port_ap=0")) {
9878 drv->capa.flags2 &= ~WPA_DRIVER_FLAGS2_CONTROL_PORT_TX_STATUS;
9879 drv->control_port_ap = 0;
9880 }
9881
9882 if (os_strstr(param, "full_ap_client_state=0"))
9883 drv->capa.flags &= ~WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE;
9884
9885 if (os_strstr(param, "no_rrm=1")) {
9886 drv->no_rrm = 1;
9887
9888 if (!bss->in_deinit && !is_ap_interface(drv->nlmode) &&
9889 !is_mesh_interface(drv->nlmode)) {
9890 nl80211_mgmt_unsubscribe(bss, "no_rrm=1");
9891 if (nl80211_mgmt_subscribe_non_ap(bss) < 0)
9892 wpa_printf(MSG_DEBUG,
9893 "nl80211: Failed to re-register Action frame processing - ignore for now");
9894 }
9895 }
9896
9897 if (os_strstr(param, "secure_ltf=1")) {
9898 drv->capa.flags2 |= WPA_DRIVER_FLAGS2_SEC_LTF_STA |
9899 WPA_DRIVER_FLAGS2_SEC_LTF_AP;
9900 }
9901
9902 return 0;
9903 }
9904
9905
nl80211_global_init(void * ctx)9906 static void * nl80211_global_init(void *ctx)
9907 {
9908 struct nl80211_global *global;
9909 struct netlink_config *cfg;
9910 struct utsname name;
9911
9912 if (uname(&name) == 0) {
9913 wpa_printf(MSG_DEBUG, "nl80211: Kernel version: %s %s (%s; %s)",
9914 name.sysname, name.release,
9915 name.version, name.machine);
9916 }
9917
9918 global = os_zalloc(sizeof(*global));
9919 if (global == NULL)
9920 return NULL;
9921 global->ctx = ctx;
9922 global->ioctl_sock = -1;
9923 dl_list_init(&global->interfaces);
9924 global->if_add_ifindex = -1;
9925
9926 cfg = os_zalloc(sizeof(*cfg));
9927 if (cfg == NULL)
9928 goto err;
9929
9930 cfg->ctx = global;
9931 cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink;
9932 cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink;
9933 global->netlink = netlink_init(cfg);
9934 if (global->netlink == NULL) {
9935 os_free(cfg);
9936 goto err;
9937 }
9938
9939 if (wpa_driver_nl80211_init_nl_global(global) < 0)
9940 goto err;
9941
9942 global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
9943 if (global->ioctl_sock < 0) {
9944 wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s",
9945 strerror(errno));
9946 goto err;
9947 }
9948
9949 return global;
9950
9951 err:
9952 nl80211_global_deinit(global);
9953 return NULL;
9954 }
9955
9956
nl80211_global_deinit(void * priv)9957 static void nl80211_global_deinit(void *priv)
9958 {
9959 struct nl80211_global *global = priv;
9960 if (global == NULL)
9961 return;
9962 if (!dl_list_empty(&global->interfaces)) {
9963 wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
9964 "nl80211_global_deinit",
9965 dl_list_len(&global->interfaces));
9966 }
9967
9968 if (global->netlink)
9969 netlink_deinit(global->netlink);
9970
9971 nl_destroy_handles(&global->nl);
9972
9973 if (global->nl_event)
9974 nl80211_destroy_eloop_handle(&global->nl_event, 0);
9975
9976 nl_cb_put(global->nl_cb);
9977
9978 if (global->ioctl_sock >= 0)
9979 close(global->ioctl_sock);
9980
9981 os_free(global);
9982 }
9983
9984
nl80211_get_radio_name(void * priv)9985 static const char * nl80211_get_radio_name(void *priv)
9986 {
9987 struct i802_bss *bss = priv;
9988 struct wpa_driver_nl80211_data *drv = bss->drv;
9989 return drv->phyname;
9990 }
9991
9992
nl80211_pmkid(struct i802_bss * bss,int cmd,struct wpa_pmkid_params * params,bool skip_pmk)9993 static int nl80211_pmkid(struct i802_bss *bss, int cmd,
9994 struct wpa_pmkid_params *params, bool skip_pmk)
9995 {
9996 struct nl_msg *msg;
9997
9998 if (cmd == NL80211_CMD_SET_PMKSA)
9999 wpa_printf(MSG_DEBUG,
10000 "nl80211: NL80211_CMD_SET_PMKSA with skip_pmk=%s pmk_len=%zu",
10001 skip_pmk ? "true" : "false", params->pmk_len);
10002
10003 if (!(msg = nl80211_bss_msg(bss, 0, cmd)) ||
10004 (params->pmkid &&
10005 nla_put(msg, NL80211_ATTR_PMKID, 16, params->pmkid)) ||
10006 (params->bssid &&
10007 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) ||
10008 (params->ssid_len &&
10009 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
10010 (params->fils_cache_id &&
10011 nla_put(msg, NL80211_ATTR_FILS_CACHE_ID, 2,
10012 params->fils_cache_id)) ||
10013 (params->pmk_lifetime &&
10014 nla_put_u32(msg, NL80211_ATTR_PMK_LIFETIME,
10015 params->pmk_lifetime)) ||
10016 (params->pmk_reauth_threshold &&
10017 nla_put_u8(msg, NL80211_ATTR_PMK_REAUTH_THRESHOLD,
10018 params->pmk_reauth_threshold)) ||
10019 (cmd != NL80211_CMD_DEL_PMKSA &&
10020 params->pmk_len && !skip_pmk &&
10021 nla_put(msg, NL80211_ATTR_PMK, params->pmk_len, params->pmk))) {
10022 nl80211_nlmsg_clear(msg);
10023 nlmsg_free(msg);
10024 return -ENOBUFS;
10025 }
10026
10027 return send_and_recv_cmd(bss->drv, msg);
10028 }
10029
10030
nl80211_add_pmkid(void * priv,struct wpa_pmkid_params * params)10031 static int nl80211_add_pmkid(void *priv, struct wpa_pmkid_params *params)
10032 {
10033 struct i802_bss *bss = priv;
10034 const size_t PMK_MAX_LEN = 64; /* current cfg80211 limit */
10035 const size_t LEGACY_PMK_MAX_LEN = 48; /* old cfg80211 limit */
10036 bool skip_pmk = params->pmk_len > PMK_MAX_LEN;
10037 int ret;
10038
10039 if (params->bssid)
10040 wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR,
10041 MAC2STR(params->bssid));
10042 else if (params->fils_cache_id && params->ssid_len) {
10043 wpa_printf(MSG_DEBUG,
10044 "nl80211: Add PMKSA for cache id %02x%02x SSID %s",
10045 params->fils_cache_id[0], params->fils_cache_id[1],
10046 wpa_ssid_txt(params->ssid, params->ssid_len));
10047 }
10048
10049 ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params, skip_pmk);
10050 /*
10051 * Try again by skipping PMK if the first attempt failed with ERANGE
10052 * error, PMK was not skipped, and PMK length is greater than the
10053 * legacy kernel maximum allowed limit.
10054 */
10055 if (ret == -ERANGE && !skip_pmk &&
10056 params->pmk_len > LEGACY_PMK_MAX_LEN)
10057 ret = nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, params, true);
10058 if (ret < 0) {
10059 wpa_printf(MSG_DEBUG,
10060 "nl80211: NL80211_CMD_SET_PMKSA failed: %d (%s)",
10061 ret, strerror(-ret));
10062 }
10063
10064 return ret;
10065 }
10066
10067
nl80211_remove_pmkid(void * priv,struct wpa_pmkid_params * params)10068 static int nl80211_remove_pmkid(void *priv, struct wpa_pmkid_params *params)
10069 {
10070 struct i802_bss *bss = priv;
10071 int ret;
10072
10073 if (params->bssid)
10074 wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
10075 MAC2STR(params->bssid));
10076 else if (params->fils_cache_id && params->ssid_len) {
10077 wpa_printf(MSG_DEBUG,
10078 "nl80211: Delete PMKSA for cache id %02x%02x SSID %s",
10079 params->fils_cache_id[0], params->fils_cache_id[1],
10080 wpa_ssid_txt(params->ssid, params->ssid_len));
10081 }
10082
10083 ret = nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, params, true);
10084 if (ret < 0) {
10085 wpa_printf(MSG_DEBUG,
10086 "nl80211: NL80211_CMD_DEL_PMKSA failed: %d (%s)",
10087 ret, strerror(-ret));
10088 }
10089
10090 return ret;
10091 }
10092
10093
nl80211_flush_pmkid(void * priv)10094 static int nl80211_flush_pmkid(void *priv)
10095 {
10096 struct i802_bss *bss = priv;
10097 struct nl_msg *msg;
10098
10099 wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
10100 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
10101 if (!msg)
10102 return -ENOBUFS;
10103 return send_and_recv_cmd(bss->drv, msg);
10104 }
10105
10106
clean_survey_results(struct survey_results * survey_results)10107 static void clean_survey_results(struct survey_results *survey_results)
10108 {
10109 struct freq_survey *survey, *tmp;
10110
10111 if (dl_list_empty(&survey_results->survey_list))
10112 return;
10113
10114 dl_list_for_each_safe(survey, tmp, &survey_results->survey_list,
10115 struct freq_survey, list) {
10116 dl_list_del(&survey->list);
10117 os_free(survey);
10118 }
10119 }
10120
10121
add_survey(struct nlattr ** sinfo,u32 ifidx,struct dl_list * survey_list)10122 static void add_survey(struct nlattr **sinfo, u32 ifidx,
10123 struct dl_list *survey_list)
10124 {
10125 struct freq_survey *survey;
10126
10127 survey = os_zalloc(sizeof(struct freq_survey));
10128 if (!survey)
10129 return;
10130
10131 survey->ifidx = ifidx;
10132 survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
10133 survey->filled = 0;
10134
10135 if (sinfo[NL80211_SURVEY_INFO_NOISE]) {
10136 survey->nf = (int8_t)
10137 nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
10138 survey->filled |= SURVEY_HAS_NF;
10139 }
10140
10141 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) {
10142 survey->channel_time =
10143 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
10144 survey->filled |= SURVEY_HAS_CHAN_TIME;
10145 }
10146
10147 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) {
10148 survey->channel_time_busy =
10149 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
10150 survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY;
10151 }
10152
10153 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) {
10154 survey->channel_time_rx =
10155 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
10156 survey->filled |= SURVEY_HAS_CHAN_TIME_RX;
10157 }
10158
10159 if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) {
10160 survey->channel_time_tx =
10161 nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
10162 survey->filled |= SURVEY_HAS_CHAN_TIME_TX;
10163 }
10164
10165 wpa_printf(MSG_DEBUG, "nl80211: Freq survey dump event (freq=%d MHz noise=%d channel_time=%ld busy_time=%ld tx_time=%ld rx_time=%ld filled=%04x)",
10166 survey->freq,
10167 survey->nf,
10168 (unsigned long int) survey->channel_time,
10169 (unsigned long int) survey->channel_time_busy,
10170 (unsigned long int) survey->channel_time_tx,
10171 (unsigned long int) survey->channel_time_rx,
10172 survey->filled);
10173
10174 dl_list_add_tail(survey_list, &survey->list);
10175 }
10176
10177
check_survey_ok(struct nlattr ** sinfo,u32 surveyed_freq,unsigned int freq_filter)10178 static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq,
10179 unsigned int freq_filter)
10180 {
10181 if (!freq_filter)
10182 return 1;
10183
10184 return freq_filter == surveyed_freq;
10185 }
10186
10187
survey_handler(struct nl_msg * msg,void * arg)10188 static int survey_handler(struct nl_msg *msg, void *arg)
10189 {
10190 struct nlattr *tb[NL80211_ATTR_MAX + 1];
10191 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
10192 struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
10193 struct survey_results *survey_results;
10194 u32 surveyed_freq = 0;
10195 u32 ifidx;
10196
10197 static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
10198 [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
10199 [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
10200 };
10201
10202 survey_results = (struct survey_results *) arg;
10203
10204 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
10205 genlmsg_attrlen(gnlh, 0), NULL);
10206
10207 if (!tb[NL80211_ATTR_IFINDEX])
10208 return NL_SKIP;
10209
10210 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
10211
10212 if (!tb[NL80211_ATTR_SURVEY_INFO])
10213 return NL_SKIP;
10214
10215 if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
10216 tb[NL80211_ATTR_SURVEY_INFO],
10217 survey_policy))
10218 return NL_SKIP;
10219
10220 if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) {
10221 wpa_printf(MSG_ERROR, "nl80211: Invalid survey data");
10222 return NL_SKIP;
10223 }
10224
10225 surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
10226
10227 if (!check_survey_ok(sinfo, surveyed_freq,
10228 survey_results->freq_filter))
10229 return NL_SKIP;
10230
10231 if (survey_results->freq_filter &&
10232 survey_results->freq_filter != surveyed_freq) {
10233 wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz",
10234 surveyed_freq);
10235 return NL_SKIP;
10236 }
10237
10238 add_survey(sinfo, ifidx, &survey_results->survey_list);
10239
10240 return NL_SKIP;
10241 }
10242
10243
wpa_driver_nl80211_get_survey(void * priv,unsigned int freq)10244 static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
10245 {
10246 struct i802_bss *bss = priv;
10247 struct wpa_driver_nl80211_data *drv = bss->drv;
10248 struct nl_msg *msg;
10249 int err;
10250 union wpa_event_data data;
10251 struct survey_results *survey_results;
10252
10253 os_memset(&data, 0, sizeof(data));
10254 survey_results = &data.survey_results;
10255
10256 dl_list_init(&survey_results->survey_list);
10257
10258 msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
10259 if (!msg)
10260 return -ENOBUFS;
10261
10262 if (freq)
10263 data.survey_results.freq_filter = freq;
10264
10265 do {
10266 wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
10267 err = send_and_recv_resp(drv, msg, survey_handler,
10268 survey_results);
10269 } while (err > 0);
10270
10271 if (err)
10272 wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data");
10273 else
10274 wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data);
10275
10276 clean_survey_results(survey_results);
10277 return err;
10278 }
10279
10280
nl80211_set_rekey_info(void * priv,const u8 * kek,size_t kek_len,const u8 * kck,size_t kck_len,const u8 * replay_ctr)10281 static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
10282 const u8 *kck, size_t kck_len,
10283 const u8 *replay_ctr)
10284 {
10285 struct i802_bss *bss = priv;
10286 struct wpa_driver_nl80211_data *drv = bss->drv;
10287 struct nlattr *replay_nested;
10288 struct nl_msg *msg;
10289 int ret;
10290
10291 if (!drv->set_rekey_offload)
10292 return;
10293
10294 wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
10295 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
10296 !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
10297 nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
10298 (kck_len && nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck)) ||
10299 nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
10300 replay_ctr)) {
10301 nl80211_nlmsg_clear(msg);
10302 nlmsg_free(msg);
10303 return;
10304 }
10305
10306 nla_nest_end(msg, replay_nested);
10307
10308 ret = send_and_recv_cmd(drv, msg);
10309 if (ret == -EOPNOTSUPP) {
10310 wpa_printf(MSG_DEBUG,
10311 "nl80211: Driver does not support rekey offload");
10312 drv->set_rekey_offload = 0;
10313 }
10314 }
10315
10316
nl80211_send_null_frame(struct i802_bss * bss,const u8 * own_addr,const u8 * addr,int qos)10317 static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr,
10318 const u8 *addr, int qos)
10319 {
10320 /* send data frame to poll STA and check whether
10321 * this frame is ACKed */
10322 struct {
10323 struct ieee80211_hdr hdr;
10324 u16 qos_ctl;
10325 } STRUCT_PACKED nulldata;
10326 size_t size;
10327
10328 /* Send data frame to poll STA and check whether this frame is ACKed */
10329
10330 os_memset(&nulldata, 0, sizeof(nulldata));
10331
10332 if (qos) {
10333 nulldata.hdr.frame_control =
10334 IEEE80211_FC(WLAN_FC_TYPE_DATA,
10335 WLAN_FC_STYPE_QOS_NULL);
10336 size = sizeof(nulldata);
10337 } else {
10338 nulldata.hdr.frame_control =
10339 IEEE80211_FC(WLAN_FC_TYPE_DATA,
10340 WLAN_FC_STYPE_NULLFUNC);
10341 size = sizeof(struct ieee80211_hdr);
10342 }
10343
10344 nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS);
10345 os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
10346 os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
10347 os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
10348
10349 if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0,
10350 0, 0, NULL, 0, 0, -1) < 0)
10351 wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to "
10352 "send poll frame");
10353 }
10354
nl80211_poll_client(void * priv,const u8 * own_addr,const u8 * addr,int qos)10355 static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
10356 int qos)
10357 {
10358 struct i802_bss *bss = priv;
10359 struct wpa_driver_nl80211_data *drv = bss->drv;
10360 struct nl_msg *msg;
10361 u64 cookie;
10362 int ret;
10363
10364 if (!drv->poll_command_supported) {
10365 nl80211_send_null_frame(bss, own_addr, addr, qos);
10366 return;
10367 }
10368
10369 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) ||
10370 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
10371 nlmsg_free(msg);
10372 return;
10373 }
10374
10375 ret = send_and_recv_resp(drv, msg, cookie_handler, &cookie);
10376 if (ret < 0) {
10377 wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
10378 MACSTR " failed: ret=%d (%s)",
10379 MAC2STR(addr), ret, strerror(-ret));
10380 } else {
10381 wpa_printf(MSG_DEBUG,
10382 "nl80211: Client probe request addr=" MACSTR
10383 " cookie=%llu", MAC2STR(addr),
10384 (long long unsigned int) cookie);
10385 }
10386 }
10387
10388
nl80211_set_power_save(struct i802_bss * bss,int enabled)10389 static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
10390 {
10391 struct nl_msg *msg;
10392 int ret;
10393
10394 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) ||
10395 nla_put_u32(msg, NL80211_ATTR_PS_STATE,
10396 enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) {
10397 nlmsg_free(msg);
10398 return -ENOBUFS;
10399 }
10400
10401 ret = send_and_recv_cmd(bss->drv, msg);
10402 if (ret < 0) {
10403 wpa_printf(MSG_DEBUG,
10404 "nl80211: Setting PS state %s failed: %d (%s)",
10405 enabled ? "enabled" : "disabled",
10406 ret, strerror(-ret));
10407 }
10408 return ret;
10409 }
10410
10411
nl80211_set_p2p_powersave(void * priv,int legacy_ps,int opp_ps,int ctwindow)10412 static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps,
10413 int ctwindow)
10414 {
10415 struct i802_bss *bss = priv;
10416
10417 wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d "
10418 "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow);
10419
10420 if (opp_ps != -1 || ctwindow != -1) {
10421 #ifdef ANDROID_P2P
10422 wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow);
10423 #else /* ANDROID_P2P */
10424 return -1; /* Not yet supported */
10425 #endif /* ANDROID_P2P */
10426 }
10427
10428 if (legacy_ps == -1)
10429 return 0;
10430 if (legacy_ps != 0 && legacy_ps != 1)
10431 return -1; /* Not yet supported */
10432
10433 return nl80211_set_power_save(bss, legacy_ps);
10434 }
10435
10436
nl80211_start_radar_detection(void * priv,struct hostapd_freq_params * freq)10437 static int nl80211_start_radar_detection(void *priv,
10438 struct hostapd_freq_params *freq)
10439 {
10440 struct i802_bss *bss = priv;
10441 struct wpa_driver_nl80211_data *drv = bss->drv;
10442 struct nl_msg *msg;
10443 int ret;
10444
10445 wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, he_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)",
10446 freq->freq, freq->ht_enabled, freq->vht_enabled, freq->he_enabled,
10447 freq->bandwidth, freq->center_freq1, freq->center_freq2);
10448
10449 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) {
10450 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar "
10451 "detection");
10452 return -1;
10453 }
10454
10455 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) ||
10456 nl80211_put_freq_params(msg, freq) < 0) {
10457 nlmsg_free(msg);
10458 return -1;
10459 }
10460
10461 ret = send_and_recv_cmd(drv, msg);
10462 if (ret == 0)
10463 return 0;
10464 wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
10465 "%d (%s)", ret, strerror(-ret));
10466 return -1;
10467 }
10468
10469 #ifdef CONFIG_TDLS
10470
nl80211_add_peer_capab(struct nl_msg * msg,enum tdls_peer_capability capa)10471 static int nl80211_add_peer_capab(struct nl_msg *msg,
10472 enum tdls_peer_capability capa)
10473 {
10474 u32 peer_capab = 0;
10475
10476 if (!capa)
10477 return 0;
10478
10479 if (capa & TDLS_PEER_HT)
10480 peer_capab |= NL80211_TDLS_PEER_HT;
10481 if (capa & TDLS_PEER_VHT)
10482 peer_capab |= NL80211_TDLS_PEER_VHT;
10483 if (capa & TDLS_PEER_WMM)
10484 peer_capab |= NL80211_TDLS_PEER_WMM;
10485 if (capa & TDLS_PEER_HE)
10486 peer_capab |= NL80211_TDLS_PEER_HE;
10487
10488 return nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY,
10489 peer_capab);
10490 }
10491
10492
10493 static int
nl80211_tdls_set_discovery_resp_link(struct wpa_driver_nl80211_data * drv,int link_id)10494 nl80211_tdls_set_discovery_resp_link(struct wpa_driver_nl80211_data *drv,
10495 int link_id)
10496 {
10497 #ifdef CONFIG_DRIVER_NL80211_QCA
10498 struct nl_msg *msg;
10499 struct nlattr *params;
10500
10501 wpa_printf(MSG_DEBUG, "nl80211: TDLS Discovery Response Tx link ID %u",
10502 link_id);
10503
10504 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
10505 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
10506 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
10507 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
10508 QCA_NL80211_VENDOR_SUBCMD_TDLS_DISC_RSP_EXT) ||
10509 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
10510 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_TDLS_DISC_RSP_EXT_TX_LINK,
10511 link_id)) {
10512 wpa_printf(MSG_ERROR,
10513 "%s: err in adding vendor_cmd and vendor_data",
10514 __func__);
10515 nlmsg_free(msg);
10516 return -1;
10517 }
10518 nla_nest_end(msg, params);
10519
10520 return send_and_recv_cmd(drv, msg);
10521 #else /* CONFIG_DRIVER_NL80211_QCA */
10522 wpa_printf(MSG_ERROR,
10523 "nl80211: Setting TX link for TDLS Discovery Response not supported");
10524 return -1;
10525 #endif /* CONFIG_DRIVER_NL80211_QCA */
10526 }
10527
10528
nl80211_send_tdls_mgmt(void * priv,const u8 * dst,u8 action_code,u8 dialog_token,u16 status_code,u32 peer_capab,int initiator,const u8 * buf,size_t len,int link_id)10529 static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
10530 u8 dialog_token, u16 status_code,
10531 u32 peer_capab, int initiator, const u8 *buf,
10532 size_t len, int link_id)
10533 {
10534 struct i802_bss *bss = priv;
10535 struct wpa_driver_nl80211_data *drv = bss->drv;
10536 struct nl_msg *msg;
10537
10538 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
10539 return -EOPNOTSUPP;
10540
10541 if (!dst)
10542 return -EINVAL;
10543
10544 if (link_id >= 0 &&
10545 nl80211_tdls_set_discovery_resp_link(drv, link_id) < 0)
10546 return -EOPNOTSUPP;
10547
10548 if (link_id < 0 && drv->sta_mlo_info.valid_links)
10549 link_id = drv->sta_mlo_info.assoc_link_id;
10550
10551 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) ||
10552 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) ||
10553 nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) ||
10554 nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) ||
10555 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code) ||
10556 (link_id >= 0 &&
10557 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) ||
10558 nl80211_add_peer_capab(msg, peer_capab) ||
10559 (initiator && nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) ||
10560 nla_put(msg, NL80211_ATTR_IE, len, buf))
10561 goto fail;
10562
10563 return send_and_recv_cmd(drv, msg);
10564
10565 fail:
10566 nlmsg_free(msg);
10567 return -ENOBUFS;
10568 }
10569
10570
nl80211_tdls_oper(void * priv,enum tdls_oper oper,const u8 * peer)10571 static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
10572 {
10573 struct i802_bss *bss = priv;
10574 struct wpa_driver_nl80211_data *drv = bss->drv;
10575 struct nl_msg *msg;
10576 enum nl80211_tdls_operation nl80211_oper;
10577 int res;
10578
10579 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT))
10580 return -EOPNOTSUPP;
10581
10582 switch (oper) {
10583 case TDLS_DISCOVERY_REQ:
10584 nl80211_oper = NL80211_TDLS_DISCOVERY_REQ;
10585 break;
10586 case TDLS_SETUP:
10587 nl80211_oper = NL80211_TDLS_SETUP;
10588 break;
10589 case TDLS_TEARDOWN:
10590 nl80211_oper = NL80211_TDLS_TEARDOWN;
10591 break;
10592 case TDLS_ENABLE_LINK:
10593 nl80211_oper = NL80211_TDLS_ENABLE_LINK;
10594 break;
10595 case TDLS_DISABLE_LINK:
10596 nl80211_oper = NL80211_TDLS_DISABLE_LINK;
10597 break;
10598 case TDLS_ENABLE:
10599 return 0;
10600 case TDLS_DISABLE:
10601 return 0;
10602 default:
10603 return -EINVAL;
10604 }
10605
10606 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) ||
10607 nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) ||
10608 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) {
10609 nlmsg_free(msg);
10610 return -ENOBUFS;
10611 }
10612
10613 res = send_and_recv_cmd(drv, msg);
10614 wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
10615 " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
10616 strerror(-res));
10617 return res;
10618 }
10619
10620
10621 static int
nl80211_tdls_enable_channel_switch(void * priv,const u8 * addr,u8 oper_class,const struct hostapd_freq_params * params)10622 nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
10623 const struct hostapd_freq_params *params)
10624 {
10625 struct i802_bss *bss = priv;
10626 struct wpa_driver_nl80211_data *drv = bss->drv;
10627 struct nl_msg *msg;
10628 int ret = -ENOBUFS;
10629
10630 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
10631 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
10632 return -EOPNOTSUPP;
10633
10634 wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
10635 " oper_class=%u freq=%u",
10636 MAC2STR(addr), oper_class, params->freq);
10637 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
10638 if (!msg ||
10639 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
10640 nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
10641 (ret = nl80211_put_freq_params(msg, params))) {
10642 nlmsg_free(msg);
10643 wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
10644 return ret;
10645 }
10646
10647 return send_and_recv_cmd(drv, msg);
10648 }
10649
10650
10651 static int
nl80211_tdls_disable_channel_switch(void * priv,const u8 * addr)10652 nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
10653 {
10654 struct i802_bss *bss = priv;
10655 struct wpa_driver_nl80211_data *drv = bss->drv;
10656 struct nl_msg *msg;
10657
10658 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
10659 !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
10660 return -EOPNOTSUPP;
10661
10662 wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
10663 MAC2STR(addr));
10664 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
10665 if (!msg ||
10666 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
10667 nlmsg_free(msg);
10668 wpa_printf(MSG_DEBUG,
10669 "nl80211: Could not build TDLS cancel chan switch");
10670 return -ENOBUFS;
10671 }
10672
10673 return send_and_recv_cmd(drv, msg);
10674 }
10675
10676 #endif /* CONFIG TDLS */
10677
10678
driver_nl80211_set_key(void * priv,struct wpa_driver_set_key_params * params)10679 static int driver_nl80211_set_key(void *priv,
10680 struct wpa_driver_set_key_params *params)
10681 {
10682 struct i802_bss *bss = priv;
10683
10684 return wpa_driver_nl80211_set_key(bss, params);
10685 }
10686
10687
driver_nl80211_scan2(void * priv,struct wpa_driver_scan_params * params)10688 static int driver_nl80211_scan2(void *priv,
10689 struct wpa_driver_scan_params *params)
10690 {
10691 struct i802_bss *bss = priv;
10692 #ifdef CONFIG_DRIVER_NL80211_QCA
10693 struct wpa_driver_nl80211_data *drv = bss->drv;
10694
10695 /*
10696 * Do a vendor specific scan if possible. If only_new_results is
10697 * set, do a normal scan since a kernel (cfg80211) BSS cache flush
10698 * cannot be achieved through a vendor scan. The below condition may
10699 * need to be modified if new scan flags are added in the future whose
10700 * functionality can only be achieved through a normal scan.
10701 */
10702 if (drv->scan_vendor_cmd_avail && !params->only_new_results)
10703 return wpa_driver_nl80211_vendor_scan(bss, params);
10704 #endif /* CONFIG_DRIVER_NL80211_QCA */
10705 return wpa_driver_nl80211_scan(bss, params);
10706 }
10707
10708
driver_nl80211_deauthenticate(void * priv,const u8 * addr,u16 reason_code)10709 static int driver_nl80211_deauthenticate(void *priv, const u8 *addr,
10710 u16 reason_code)
10711 {
10712 struct i802_bss *bss = priv;
10713 return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code);
10714 }
10715
10716
driver_nl80211_authenticate(void * priv,struct wpa_driver_auth_params * params)10717 static int driver_nl80211_authenticate(void *priv,
10718 struct wpa_driver_auth_params *params)
10719 {
10720 struct i802_bss *bss = priv;
10721 return wpa_driver_nl80211_authenticate(bss, params);
10722 }
10723
10724
driver_nl80211_deinit(void * priv)10725 static void driver_nl80211_deinit(void *priv)
10726 {
10727 struct i802_bss *bss = priv;
10728 wpa_driver_nl80211_deinit(bss);
10729 }
10730
10731
driver_nl80211_if_remove(void * priv,enum wpa_driver_if_type type,const char * ifname)10732 static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type,
10733 const char *ifname)
10734 {
10735 struct i802_bss *bss = priv;
10736 return wpa_driver_nl80211_if_remove(bss, type, ifname);
10737 }
10738
10739
10740 #ifdef CONFIG_IEEE80211BE
10741
driver_nl80211_link_remove(void * priv,enum wpa_driver_if_type type,const char * ifname,u8 link_id)10742 static int driver_nl80211_link_remove(void *priv, enum wpa_driver_if_type type,
10743 const char *ifname, u8 link_id)
10744 {
10745 struct i802_bss *bss = priv;
10746 struct wpa_driver_nl80211_data *drv = bss->drv;
10747
10748 if (type != WPA_IF_AP_BSS ||
10749 !nl80211_link_valid(bss->valid_links, link_id))
10750 return -1;
10751
10752 wpa_printf(MSG_DEBUG,
10753 "nl80211: Teardown AP(%s) link %d (type=%d ifname=%s links=0x%x)",
10754 bss->ifname, link_id, type, ifname, bss->valid_links);
10755
10756 nl80211_remove_link(bss, link_id);
10757
10758 bss->ctx = bss->flink->ctx;
10759
10760 if (drv->first_bss == bss && bss->valid_links)
10761 drv->ctx = bss->ctx;
10762
10763 if (!bss->valid_links) {
10764 wpa_printf(MSG_DEBUG,
10765 "nl80211: No more links remaining, so remove interface");
10766 return wpa_driver_nl80211_if_remove(bss, type, ifname);
10767 }
10768
10769 return 0;
10770 }
10771
10772
nl80211_is_drv_shared(void * priv,void * bss_ctx)10773 static bool nl80211_is_drv_shared(void *priv, void *bss_ctx)
10774 {
10775 struct i802_bss *bss = priv;
10776 struct wpa_driver_nl80211_data *drv = bss->drv;
10777 unsigned int num_bss = 0;
10778
10779 /* If any other BSS exist, someone else is using this since at this
10780 * time, we would have removed all BSSs created by this driver and only
10781 * this BSS should be remaining if the driver is not shared by anyone.
10782 */
10783 for (bss = drv->first_bss; bss; bss = bss->next) {
10784 num_bss++;
10785 if (num_bss > 1)
10786 return true;
10787 }
10788
10789 /* This is the only BSS present */
10790 bss = priv;
10791
10792 /* If only one/no link is there no one is sharing */
10793 if (bss->valid_links <= 1)
10794 return false;
10795
10796 /* More than one link means someone is still using. To check if
10797 * only 1 bit is set, power of 2 condition can be checked. */
10798 if (!(bss->valid_links & (bss->valid_links - 1)))
10799 return false;
10800
10801 return true;
10802 }
10803
10804 #endif /* CONFIG_IEEE80211BE */
10805
10806
driver_nl80211_send_mlme(void * priv,const u8 * data,size_t data_len,int noack,unsigned int freq,const u16 * csa_offs,size_t csa_offs_len,int no_encrypt,unsigned int wait,int link_id)10807 static int driver_nl80211_send_mlme(void *priv, const u8 *data,
10808 size_t data_len, int noack,
10809 unsigned int freq,
10810 const u16 *csa_offs, size_t csa_offs_len,
10811 int no_encrypt, unsigned int wait,
10812 int link_id)
10813 {
10814 struct i802_bss *bss = priv;
10815 return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack,
10816 freq, 0, 0, wait, csa_offs,
10817 csa_offs_len, no_encrypt, link_id);
10818 }
10819
10820
driver_nl80211_sta_remove(void * priv,const u8 * addr)10821 static int driver_nl80211_sta_remove(void *priv, const u8 *addr)
10822 {
10823 struct i802_bss *bss = priv;
10824 return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0);
10825 }
10826
10827
driver_nl80211_set_sta_vlan(void * priv,const u8 * addr,const char * ifname,int vlan_id,int link_id)10828 static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr,
10829 const char *ifname, int vlan_id,
10830 int link_id)
10831 {
10832 struct i802_bss *bss = priv;
10833 return i802_set_sta_vlan(bss, addr, ifname, vlan_id, link_id);
10834 }
10835
10836
driver_nl80211_read_sta_data(void * priv,struct hostap_sta_driver_data * data,const u8 * addr)10837 static int driver_nl80211_read_sta_data(void *priv,
10838 struct hostap_sta_driver_data *data,
10839 const u8 *addr)
10840 {
10841 struct i802_bss *bss = priv;
10842
10843 os_memset(data, 0, sizeof(*data));
10844 return i802_read_sta_data(bss, data, addr);
10845 }
10846
10847
driver_nl80211_send_action(void * priv,unsigned int freq,unsigned int wait_time,const u8 * dst,const u8 * src,const u8 * bssid,const u8 * data,size_t data_len,int no_cck)10848 static int driver_nl80211_send_action(void *priv, unsigned int freq,
10849 unsigned int wait_time,
10850 const u8 *dst, const u8 *src,
10851 const u8 *bssid,
10852 const u8 *data, size_t data_len,
10853 int no_cck)
10854 {
10855 struct i802_bss *bss = priv;
10856 return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src,
10857 bssid, data, data_len, no_cck);
10858 }
10859
10860
driver_nl80211_probe_req_report(void * priv,int report)10861 static int driver_nl80211_probe_req_report(void *priv, int report)
10862 {
10863 struct i802_bss *bss = priv;
10864 return wpa_driver_nl80211_probe_req_report(bss, report);
10865 }
10866
10867
wpa_driver_nl80211_update_ft_ies(void * priv,const u8 * md,const u8 * ies,size_t ies_len)10868 static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
10869 const u8 *ies, size_t ies_len)
10870 {
10871 int ret;
10872 struct nl_msg *msg;
10873 struct i802_bss *bss = priv;
10874 struct wpa_driver_nl80211_data *drv = bss->drv;
10875 u16 mdid = WPA_GET_LE16(md);
10876
10877 wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs");
10878 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) ||
10879 nla_put(msg, NL80211_ATTR_IE, ies_len, ies) ||
10880 nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) {
10881 nlmsg_free(msg);
10882 return -ENOBUFS;
10883 }
10884
10885 ret = send_and_recv_cmd(drv, msg);
10886 if (ret) {
10887 wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
10888 "err=%d (%s)", ret, strerror(-ret));
10889 }
10890
10891 return ret;
10892 }
10893
10894
nl80211_update_dh_ie(void * priv,const u8 * peer_mac,u16 reason_code,const u8 * ie,size_t ie_len)10895 static int nl80211_update_dh_ie(void *priv, const u8 *peer_mac,
10896 u16 reason_code, const u8 *ie, size_t ie_len)
10897 {
10898 int ret;
10899 struct nl_msg *msg;
10900 struct i802_bss *bss = priv;
10901 struct wpa_driver_nl80211_data *drv = bss->drv;
10902
10903 wpa_printf(MSG_DEBUG, "nl80211: Updating DH IE peer: " MACSTR
10904 " reason %u", MAC2STR(peer_mac), reason_code);
10905 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UPDATE_OWE_INFO)) ||
10906 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer_mac) ||
10907 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, reason_code) ||
10908 (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) {
10909 nlmsg_free(msg);
10910 return -ENOBUFS;
10911 }
10912
10913 ret = send_and_recv_cmd(drv, msg);
10914 if (ret) {
10915 wpa_printf(MSG_DEBUG,
10916 "nl80211: update_dh_ie failed err=%d (%s)",
10917 ret, strerror(-ret));
10918 }
10919
10920 return ret;
10921 }
10922
10923
wpa_driver_nl80211_get_macaddr(void * priv)10924 static const u8 * wpa_driver_nl80211_get_macaddr(void *priv)
10925 {
10926 struct i802_bss *bss = priv;
10927 struct wpa_driver_nl80211_data *drv = bss->drv;
10928
10929 if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE)
10930 return NULL;
10931
10932 return bss->addr;
10933 }
10934
10935
scan_state_str(enum scan_states scan_state)10936 static const char * scan_state_str(enum scan_states scan_state)
10937 {
10938 switch (scan_state) {
10939 case NO_SCAN:
10940 return "NO_SCAN";
10941 case SCAN_REQUESTED:
10942 return "SCAN_REQUESTED";
10943 case SCAN_STARTED:
10944 return "SCAN_STARTED";
10945 case SCAN_COMPLETED:
10946 return "SCAN_COMPLETED";
10947 case SCAN_ABORTED:
10948 return "SCAN_ABORTED";
10949 case SCHED_SCAN_STARTED:
10950 return "SCHED_SCAN_STARTED";
10951 case SCHED_SCAN_STOPPED:
10952 return "SCHED_SCAN_STOPPED";
10953 case SCHED_SCAN_RESULTS:
10954 return "SCHED_SCAN_RESULTS";
10955 }
10956
10957 return "??";
10958 }
10959
10960
wpa_driver_nl80211_status(void * priv,char * buf,size_t buflen)10961 static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
10962 {
10963 struct i802_bss *bss = priv;
10964 struct wpa_driver_nl80211_data *drv = bss->drv;
10965 int res;
10966 char *pos, *end;
10967 struct nl_msg *msg;
10968 char alpha2[3] = { 0, 0, 0 };
10969
10970 pos = buf;
10971 end = buf + buflen;
10972
10973 res = os_snprintf(pos, end - pos,
10974 "ifindex=%d\n"
10975 "ifname=%s\n"
10976 "brname=%s\n"
10977 "addr=" MACSTR "\n"
10978 "freq=%d\n"
10979 "%s%s%s%s%s%s",
10980 bss->ifindex,
10981 bss->ifname,
10982 bss->brname,
10983 MAC2STR(bss->addr),
10984 bss->flink->freq,
10985 bss->flink->beacon_set ? "beacon_set=1\n" : "",
10986 bss->added_if_into_bridge ?
10987 "added_if_into_bridge=1\n" : "",
10988 bss->already_in_bridge ? "already_in_bridge=1\n" : "",
10989 bss->added_bridge ? "added_bridge=1\n" : "",
10990 bss->in_deinit ? "in_deinit=1\n" : "",
10991 bss->if_dynamic ? "if_dynamic=1\n" : "");
10992 if (os_snprintf_error(end - pos, res))
10993 return pos - buf;
10994 pos += res;
10995
10996 if (bss->wdev_id_set) {
10997 res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
10998 (unsigned long long) bss->wdev_id);
10999 if (os_snprintf_error(end - pos, res))
11000 return pos - buf;
11001 pos += res;
11002 }
11003
11004 res = os_snprintf(pos, end - pos,
11005 "phyname=%s\n"
11006 "perm_addr=" MACSTR "\n"
11007 "drv_ifindex=%d\n"
11008 "operstate=%d\n"
11009 "scan_state=%s\n"
11010 "auth_bssid=" MACSTR "\n"
11011 "auth_attempt_bssid=" MACSTR "\n"
11012 "bssid=" MACSTR "\n"
11013 "prev_bssid=" MACSTR "\n"
11014 "associated=%d\n"
11015 "assoc_freq=%u\n"
11016 "monitor_sock=%d\n"
11017 "monitor_ifidx=%d\n"
11018 "monitor_refcount=%d\n"
11019 "last_mgmt_freq=%u\n"
11020 "eapol_tx_sock=%d\n"
11021 "%s%s%s%s%s%s%s%s%s%s%s%s%s",
11022 drv->phyname,
11023 MAC2STR(drv->perm_addr),
11024 drv->ifindex,
11025 drv->operstate,
11026 scan_state_str(drv->scan_state),
11027 MAC2STR(drv->auth_bssid),
11028 MAC2STR(drv->auth_attempt_bssid),
11029 MAC2STR(drv->bssid),
11030 MAC2STR(drv->prev_bssid),
11031 drv->associated,
11032 drv->assoc_freq,
11033 drv->monitor_sock,
11034 drv->monitor_ifidx,
11035 drv->monitor_refcount,
11036 drv->last_mgmt_freq,
11037 drv->eapol_tx_sock,
11038 drv->ignore_if_down_event ?
11039 "ignore_if_down_event=1\n" : "",
11040 drv->scan_complete_events ?
11041 "scan_complete_events=1\n" : "",
11042 drv->disabled_11b_rates ?
11043 "disabled_11b_rates=1\n" : "",
11044 drv->pending_remain_on_chan ?
11045 "pending_remain_on_chan=1\n" : "",
11046 drv->in_interface_list ? "in_interface_list=1\n" : "",
11047 drv->device_ap_sme ? "device_ap_sme=1\n" : "",
11048 drv->poll_command_supported ?
11049 "poll_command_supported=1\n" : "",
11050 drv->data_tx_status ? "data_tx_status=1\n" : "",
11051 drv->scan_for_auth ? "scan_for_auth=1\n" : "",
11052 drv->retry_auth ? "retry_auth=1\n" : "",
11053 drv->use_monitor ? "use_monitor=1\n" : "",
11054 drv->ignore_next_local_disconnect ?
11055 "ignore_next_local_disconnect\n" : "",
11056 drv->ignore_next_local_deauth ?
11057 "ignore_next_local_deauth\n" : "");
11058 if (os_snprintf_error(end - pos, res))
11059 return pos - buf;
11060 pos += res;
11061
11062 if (drv->sta_mlo_info.valid_links) {
11063 int i;
11064 struct driver_sta_mlo_info *mlo = &drv->sta_mlo_info;
11065
11066 res = os_snprintf(pos, end - pos,
11067 "ap_mld_addr=" MACSTR "\n"
11068 "default_map=%d\n",
11069 MAC2STR(mlo->ap_mld_addr),
11070 mlo->default_map);
11071 if (os_snprintf_error(end - pos, res))
11072 return pos - buf;
11073 pos += res;
11074
11075 for_each_link(mlo->valid_links, i) {
11076 res = os_snprintf(pos, end - pos,
11077 "link_addr[%u]=" MACSTR "\n"
11078 "link_bssid[%u]=" MACSTR "\n"
11079 "link_freq[%u]=%u\n",
11080 i, MAC2STR(mlo->links[i].addr),
11081 i, MAC2STR(mlo->links[i].bssid),
11082 i, mlo->links[i].freq);
11083 if (os_snprintf_error(end - pos, res))
11084 return pos - buf;
11085 pos += res;
11086
11087 if (!mlo->default_map) {
11088 res = os_snprintf(
11089 pos, end - pos,
11090 "uplink_map[%u]=%x\n"
11091 "downlink_map[%u]=%x\n",
11092 i, mlo->links[i].t2lmap.uplink,
11093 i, mlo->links[i].t2lmap.downlink);
11094 if (os_snprintf_error(end - pos, res))
11095 return pos - buf;
11096 pos += res;
11097 }
11098 }
11099 }
11100
11101 if (drv->has_capability) {
11102 res = os_snprintf(pos, end - pos,
11103 "capa.key_mgmt=0x%x\n"
11104 "capa.enc=0x%x\n"
11105 "capa.auth=0x%x\n"
11106 "capa.flags=0x%llx\n"
11107 "capa.flags2=0x%llx\n"
11108 "capa.rrm_flags=0x%x\n"
11109 "capa.max_scan_ssids=%d\n"
11110 "capa.max_sched_scan_ssids=%d\n"
11111 "capa.sched_scan_supported=%d\n"
11112 "capa.max_match_sets=%d\n"
11113 "capa.max_remain_on_chan=%u\n"
11114 "capa.max_stations=%u\n"
11115 "capa.probe_resp_offloads=0x%x\n"
11116 "capa.max_acl_mac_addrs=%u\n"
11117 "capa.num_multichan_concurrent=%u\n"
11118 "capa.mac_addr_rand_sched_scan_supported=%d\n"
11119 "capa.mac_addr_rand_scan_supported=%d\n"
11120 "capa.conc_capab=%u\n"
11121 "capa.max_conc_chan_2_4=%u\n"
11122 "capa.max_conc_chan_5_0=%u\n"
11123 "capa.max_sched_scan_plans=%u\n"
11124 "capa.max_sched_scan_plan_interval=%u\n"
11125 "capa.max_sched_scan_plan_iterations=%u\n"
11126 "capa.mbssid_max_interfaces=%u\n"
11127 "capa.ema_max_periodicity=%u\n",
11128 drv->capa.key_mgmt,
11129 drv->capa.enc,
11130 drv->capa.auth,
11131 (unsigned long long) drv->capa.flags,
11132 (unsigned long long) drv->capa.flags2,
11133 drv->capa.rrm_flags,
11134 drv->capa.max_scan_ssids,
11135 drv->capa.max_sched_scan_ssids,
11136 drv->capa.sched_scan_supported,
11137 drv->capa.max_match_sets,
11138 drv->capa.max_remain_on_chan,
11139 drv->capa.max_stations,
11140 drv->capa.probe_resp_offloads,
11141 drv->capa.max_acl_mac_addrs,
11142 drv->capa.num_multichan_concurrent,
11143 drv->capa.mac_addr_rand_sched_scan_supported,
11144 drv->capa.mac_addr_rand_scan_supported,
11145 drv->capa.conc_capab,
11146 drv->capa.max_conc_chan_2_4,
11147 drv->capa.max_conc_chan_5_0,
11148 drv->capa.max_sched_scan_plans,
11149 drv->capa.max_sched_scan_plan_interval,
11150 drv->capa.max_sched_scan_plan_iterations,
11151 drv->capa.mbssid_max_interfaces,
11152 drv->capa.ema_max_periodicity);
11153 if (os_snprintf_error(end - pos, res))
11154 return pos - buf;
11155 pos += res;
11156 }
11157
11158 msg = nlmsg_alloc();
11159 if (msg &&
11160 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) &&
11161 nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) {
11162 if (send_and_recv_resp(drv, msg, nl80211_get_country,
11163 alpha2) == 0 &&
11164 alpha2[0]) {
11165 res = os_snprintf(pos, end - pos, "country=%s\n",
11166 alpha2);
11167 if (os_snprintf_error(end - pos, res))
11168 return pos - buf;
11169 pos += res;
11170 }
11171 } else {
11172 nlmsg_free(msg);
11173 }
11174
11175 return pos - buf;
11176 }
11177
11178
set_beacon_data(struct nl_msg * msg,struct beacon_data * settings)11179 static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings)
11180 {
11181 if ((settings->head &&
11182 nla_put(msg, NL80211_ATTR_BEACON_HEAD,
11183 settings->head_len, settings->head)) ||
11184 (settings->tail &&
11185 nla_put(msg, NL80211_ATTR_BEACON_TAIL,
11186 settings->tail_len, settings->tail)) ||
11187 (settings->beacon_ies &&
11188 nla_put(msg, NL80211_ATTR_IE,
11189 settings->beacon_ies_len, settings->beacon_ies)) ||
11190 (settings->proberesp_ies &&
11191 nla_put(msg, NL80211_ATTR_IE_PROBE_RESP,
11192 settings->proberesp_ies_len, settings->proberesp_ies)) ||
11193 (settings->assocresp_ies &&
11194 nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP,
11195 settings->assocresp_ies_len, settings->assocresp_ies)) ||
11196 (settings->probe_resp &&
11197 nla_put(msg, NL80211_ATTR_PROBE_RESP,
11198 settings->probe_resp_len, settings->probe_resp)))
11199 return -ENOBUFS;
11200
11201 return 0;
11202 }
11203
11204
nl80211_switch_channel(void * priv,struct csa_settings * settings)11205 static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
11206 {
11207 struct nl_msg *msg;
11208 struct i802_bss *bss = priv;
11209 struct wpa_driver_nl80211_data *drv = bss->drv;
11210 struct nlattr *beacon_csa;
11211 int ret = -ENOBUFS;
11212 int csa_off_len = 0;
11213 int i;
11214
11215 wpa_printf(MSG_DEBUG,
11216 "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d channel=%d sec_channel_offset=%d width=%d cf1=%d cf2=%d puncturing_bitmap=0x%04x link_id=%d%s%s%s)",
11217 settings->cs_count, settings->block_tx,
11218 settings->freq_params.freq,
11219 settings->freq_params.channel,
11220 settings->freq_params.sec_channel_offset,
11221 settings->freq_params.bandwidth,
11222 settings->freq_params.center_freq1,
11223 settings->freq_params.center_freq2,
11224 settings->punct_bitmap,
11225 settings->link_id,
11226 settings->freq_params.ht_enabled ? " ht" : "",
11227 settings->freq_params.vht_enabled ? " vht" : "",
11228 settings->freq_params.he_enabled ? " he" : "");
11229
11230 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) {
11231 wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command");
11232 return -EOPNOTSUPP;
11233 }
11234
11235 if (drv->nlmode != NL80211_IFTYPE_AP &&
11236 drv->nlmode != NL80211_IFTYPE_P2P_GO &&
11237 drv->nlmode != NL80211_IFTYPE_MESH_POINT)
11238 return -EOPNOTSUPP;
11239
11240 /*
11241 * Remove empty counters, assuming Probe Response and Beacon frame
11242 * counters match. This implementation assumes that there are only two
11243 * counters.
11244 */
11245 if (settings->counter_offset_beacon[0] &&
11246 !settings->counter_offset_beacon[1]) {
11247 csa_off_len = 1;
11248 } else if (settings->counter_offset_beacon[1] &&
11249 !settings->counter_offset_beacon[0]) {
11250 csa_off_len = 1;
11251 settings->counter_offset_beacon[0] =
11252 settings->counter_offset_beacon[1];
11253 settings->counter_offset_presp[0] =
11254 settings->counter_offset_presp[1];
11255 } else if (settings->counter_offset_beacon[1] &&
11256 settings->counter_offset_beacon[0]) {
11257 csa_off_len = 2;
11258 } else {
11259 wpa_printf(MSG_ERROR, "nl80211: No CSA counters provided");
11260 return -EINVAL;
11261 }
11262
11263 /* Check CSA counters validity */
11264 if (drv->capa.max_csa_counters &&
11265 csa_off_len > drv->capa.max_csa_counters) {
11266 wpa_printf(MSG_ERROR,
11267 "nl80211: Too many CSA counters provided");
11268 return -EINVAL;
11269 }
11270
11271 if (!settings->beacon_csa.tail)
11272 return -EINVAL;
11273
11274 for (i = 0; i < csa_off_len; i++) {
11275 u16 csa_c_off_bcn = settings->counter_offset_beacon[i];
11276 u16 csa_c_off_presp = settings->counter_offset_presp[i];
11277
11278 if ((settings->beacon_csa.tail_len <= csa_c_off_bcn) ||
11279 (settings->beacon_csa.tail[csa_c_off_bcn] !=
11280 settings->cs_count))
11281 return -EINVAL;
11282
11283 if (settings->beacon_csa.probe_resp &&
11284 ((settings->beacon_csa.probe_resp_len <=
11285 csa_c_off_presp) ||
11286 (settings->beacon_csa.probe_resp[csa_c_off_presp] !=
11287 settings->cs_count)))
11288 return -EINVAL;
11289 }
11290
11291 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) ||
11292 nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT,
11293 settings->cs_count) ||
11294 (ret = nl80211_put_freq_params(msg, &settings->freq_params)) ||
11295 (settings->block_tx &&
11296 nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)) ||
11297 (settings->punct_bitmap &&
11298 nla_put_u32(msg, NL80211_ATTR_PUNCT_BITMAP,
11299 settings->punct_bitmap)) ||
11300 (settings->link_id != NL80211_DRV_LINK_ID_NA &&
11301 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, settings->link_id)))
11302 goto error;
11303
11304 /* beacon_after params */
11305 ret = set_beacon_data(msg, &settings->beacon_after);
11306 if (ret)
11307 goto error;
11308
11309 /* beacon_csa params */
11310 beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES);
11311 if (!beacon_csa)
11312 goto fail;
11313
11314 ret = set_beacon_data(msg, &settings->beacon_csa);
11315 if (ret)
11316 goto error;
11317
11318 if (nla_put(msg, NL80211_ATTR_CSA_C_OFF_BEACON,
11319 csa_off_len * sizeof(u16),
11320 settings->counter_offset_beacon) ||
11321 (settings->beacon_csa.probe_resp &&
11322 nla_put(msg, NL80211_ATTR_CSA_C_OFF_PRESP,
11323 csa_off_len * sizeof(u16),
11324 settings->counter_offset_presp)))
11325 goto fail;
11326
11327 nla_nest_end(msg, beacon_csa);
11328
11329 #ifdef CONFIG_IEEE80211AX
11330 if (settings->ubpr.unsol_bcast_probe_resp_interval &&
11331 nl80211_unsol_bcast_probe_resp(bss, msg, &settings->ubpr) < 0)
11332 goto fail;
11333 #endif /* CONFIG_IEEE80211AX */
11334
11335 ret = send_and_recv_cmd(drv, msg);
11336 if (ret) {
11337 wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
11338 ret, strerror(-ret));
11339 }
11340 return ret;
11341
11342 fail:
11343 ret = -ENOBUFS;
11344 error:
11345 nlmsg_free(msg);
11346 wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request");
11347 return ret;
11348 }
11349
11350
11351 #ifdef CONFIG_IEEE80211AX
nl80211_switch_color(void * priv,struct cca_settings * settings)11352 static int nl80211_switch_color(void *priv, struct cca_settings *settings)
11353 {
11354 struct i802_bss *bss = priv;
11355 struct wpa_driver_nl80211_data *drv = bss->drv;
11356 struct nlattr *beacon_cca;
11357 struct nl_msg *msg;
11358 int ret = -ENOBUFS;
11359
11360 wpa_printf(MSG_DEBUG,
11361 "nl80211: Color change request (cca_count=%u color=%d)",
11362 settings->cca_count, settings->cca_color);
11363
11364 if (drv->nlmode != NL80211_IFTYPE_AP)
11365 return -EOPNOTSUPP;
11366
11367 if (!settings->beacon_cca.tail)
11368 return -EINVAL;
11369
11370 if (settings->beacon_cca.tail_len <= settings->counter_offset_beacon ||
11371 settings->beacon_cca.tail[settings->counter_offset_beacon] !=
11372 settings->cca_count)
11373 return -EINVAL;
11374
11375 if (settings->beacon_cca.probe_resp &&
11376 (settings->beacon_cca.probe_resp_len <=
11377 settings->counter_offset_presp ||
11378 settings->beacon_cca.probe_resp[settings->counter_offset_presp] !=
11379 settings->cca_count))
11380 return -EINVAL;
11381
11382 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_COLOR_CHANGE_REQUEST);
11383 if (!msg ||
11384 nla_put_u8(msg, NL80211_ATTR_COLOR_CHANGE_COUNT,
11385 settings->cca_count) ||
11386 nla_put_u8(msg, NL80211_ATTR_COLOR_CHANGE_COLOR,
11387 settings->cca_color))
11388 goto error;
11389
11390 /* beacon_after params */
11391 ret = set_beacon_data(msg, &settings->beacon_after);
11392 if (ret)
11393 goto error;
11394
11395 /* beacon_csa params */
11396 beacon_cca = nla_nest_start(msg, NL80211_ATTR_COLOR_CHANGE_ELEMS);
11397 if (!beacon_cca) {
11398 ret = -ENOBUFS;
11399 goto error;
11400 }
11401
11402 ret = set_beacon_data(msg, &settings->beacon_cca);
11403 if (ret)
11404 goto error;
11405
11406 if (nla_put_u16(msg, NL80211_ATTR_CNTDWN_OFFS_BEACON,
11407 settings->counter_offset_beacon) ||
11408 (settings->beacon_cca.probe_resp &&
11409 nla_put_u16(msg, NL80211_ATTR_CNTDWN_OFFS_PRESP,
11410 settings->counter_offset_presp))) {
11411 ret = -ENOBUFS;
11412 goto error;
11413 }
11414
11415 nla_nest_end(msg, beacon_cca);
11416
11417 if (settings->ubpr.unsol_bcast_probe_resp_interval &&
11418 nl80211_unsol_bcast_probe_resp(bss, msg, &settings->ubpr) < 0) {
11419 ret = -ENOBUFS;
11420 goto error;
11421 }
11422
11423 #ifdef CONFIG_IEEE80211BE
11424 if (nl80211_link_valid(bss->valid_links, settings->link_id)) {
11425 wpa_printf(MSG_DEBUG,
11426 "nl80211: Color change request on link_id=%d",
11427 settings->link_id);
11428
11429 if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID,
11430 settings->link_id)) {
11431 nlmsg_free(msg);
11432 return -1;
11433 }
11434 }
11435 #endif /* CONFIG_IEEE80211BE */
11436
11437 ret = send_and_recv_cmd(drv, msg);
11438 if (ret) {
11439 wpa_printf(MSG_DEBUG,
11440 "nl80211: switch_color failed err=%d (%s)",
11441 ret, strerror(-ret));
11442 }
11443 return ret;
11444
11445 error:
11446 nlmsg_free(msg);
11447 wpa_printf(MSG_DEBUG, "nl80211: Could not build color switch request");
11448 return ret;
11449 }
11450 #endif /* CONFIG_IEEE80211AX */
11451
11452
nl80211_add_ts(void * priv,u8 tsid,const u8 * addr,u8 user_priority,u16 admitted_time)11453 static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
11454 u8 user_priority, u16 admitted_time)
11455 {
11456 struct i802_bss *bss = priv;
11457 struct wpa_driver_nl80211_data *drv = bss->drv;
11458 struct nl_msg *msg;
11459 int ret;
11460
11461 wpa_printf(MSG_DEBUG,
11462 "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d",
11463 tsid, admitted_time, user_priority);
11464
11465 if (!is_sta_interface(drv->nlmode))
11466 return -ENOTSUP;
11467
11468 msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS);
11469 if (!msg ||
11470 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
11471 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
11472 nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) ||
11473 nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) {
11474 nlmsg_free(msg);
11475 return -ENOBUFS;
11476 }
11477
11478 ret = send_and_recv_cmd(drv, msg);
11479 if (ret)
11480 wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
11481 ret, strerror(-ret));
11482 return ret;
11483 }
11484
11485
nl80211_del_ts(void * priv,u8 tsid,const u8 * addr)11486 static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
11487 {
11488 struct i802_bss *bss = priv;
11489 struct wpa_driver_nl80211_data *drv = bss->drv;
11490 struct nl_msg *msg;
11491 int ret;
11492
11493 wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid);
11494
11495 if (!is_sta_interface(drv->nlmode))
11496 return -ENOTSUP;
11497
11498 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) ||
11499 nla_put_u8(msg, NL80211_ATTR_TSID, tsid) ||
11500 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
11501 nlmsg_free(msg);
11502 return -ENOBUFS;
11503 }
11504
11505 ret = send_and_recv_cmd(drv, msg);
11506 if (ret)
11507 wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
11508 ret, strerror(-ret));
11509 return ret;
11510 }
11511
11512
11513 #ifdef CONFIG_TESTING_OPTIONS
cmd_reply_handler(struct nl_msg * msg,void * arg)11514 static int cmd_reply_handler(struct nl_msg *msg, void *arg)
11515 {
11516 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
11517 struct wpabuf *buf = arg;
11518
11519 if (!buf)
11520 return NL_SKIP;
11521
11522 if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) {
11523 wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply");
11524 return NL_SKIP;
11525 }
11526
11527 wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0),
11528 genlmsg_attrlen(gnlh, 0));
11529
11530 return NL_SKIP;
11531 }
11532 #endif /* CONFIG_TESTING_OPTIONS */
11533
11534
vendor_reply_handler(struct nl_msg * msg,void * arg)11535 static int vendor_reply_handler(struct nl_msg *msg, void *arg)
11536 {
11537 struct nlattr *tb[NL80211_ATTR_MAX + 1];
11538 struct nlattr *nl_vendor_reply, *nl;
11539 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
11540 struct wpabuf *buf = arg;
11541 int rem;
11542
11543 if (!buf)
11544 return NL_SKIP;
11545
11546 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
11547 genlmsg_attrlen(gnlh, 0), NULL);
11548 nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA];
11549
11550 if (!nl_vendor_reply)
11551 return NL_SKIP;
11552
11553 if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) {
11554 wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply");
11555 return NL_SKIP;
11556 }
11557
11558 nla_for_each_nested(nl, nl_vendor_reply, rem) {
11559 wpabuf_put_data(buf, nla_data(nl), nla_len(nl));
11560 }
11561
11562 return NL_SKIP;
11563 }
11564
11565
is_cmd_with_nested_attrs(unsigned int vendor_id,unsigned int subcmd)11566 static bool is_cmd_with_nested_attrs(unsigned int vendor_id,
11567 unsigned int subcmd)
11568 {
11569 if (vendor_id != OUI_QCA)
11570 return true;
11571
11572 switch (subcmd) {
11573 case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
11574 case QCA_NL80211_VENDOR_SUBCMD_STATS_EXT:
11575 case QCA_NL80211_VENDOR_SUBCMD_SCANNING_MAC_OUI:
11576 case QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY:
11577 case QCA_NL80211_VENDOR_SUBCMD_SPECTRAL_SCAN_GET_STATUS:
11578 case QCA_NL80211_VENDOR_SUBCMD_NAN:
11579 return false;
11580 default:
11581 return true;
11582 }
11583 }
11584
11585
nl80211_vendor_cmd(void * priv,unsigned int vendor_id,unsigned int subcmd,const u8 * data,size_t data_len,enum nested_attr nested_attr,struct wpabuf * buf)11586 static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
11587 unsigned int subcmd, const u8 *data,
11588 size_t data_len, enum nested_attr nested_attr,
11589 struct wpabuf *buf)
11590 {
11591 struct i802_bss *bss = priv;
11592 struct wpa_driver_nl80211_data *drv = bss->drv;
11593 struct nl_msg *msg;
11594 int ret, nla_flag;
11595
11596 #ifdef CONFIG_TESTING_OPTIONS
11597 if (vendor_id == 0xffffffff) {
11598 msg = nlmsg_alloc();
11599 if (!msg)
11600 return -ENOMEM;
11601
11602 nl80211_cmd(drv, msg, 0, subcmd);
11603 if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) <
11604 0)
11605 goto fail;
11606 /* This test vendor_cmd can be used with nl80211 commands that
11607 * need the connect nl_sock, so use the variant that takes in
11608 * bss->nl_connect as the handle. */
11609 ret = send_and_recv(drv->global, bss->nl_connect, msg,
11610 cmd_reply_handler, buf, NULL, NULL, NULL);
11611 if (ret)
11612 wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
11613 ret);
11614 return ret;
11615 }
11616 #endif /* CONFIG_TESTING_OPTIONS */
11617
11618 if (nested_attr == NESTED_ATTR_USED)
11619 nla_flag = NLA_F_NESTED;
11620 else if (nested_attr == NESTED_ATTR_UNSPECIFIED &&
11621 is_cmd_with_nested_attrs(vendor_id, subcmd))
11622 nla_flag = NLA_F_NESTED;
11623 else
11624 nla_flag = 0;
11625
11626 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) ||
11627 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) ||
11628 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) ||
11629 (data &&
11630 nla_put(msg, nla_flag | NL80211_ATTR_VENDOR_DATA,
11631 data_len, data)))
11632 goto fail;
11633
11634 ret = send_and_recv_resp(drv, msg, vendor_reply_handler, buf);
11635 if (ret)
11636 wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
11637 ret);
11638 return ret;
11639
11640 fail:
11641 nlmsg_free(msg);
11642 return -ENOBUFS;
11643 }
11644
11645
nl80211_set_qos_map(void * priv,const u8 * qos_map_set,u8 qos_map_set_len)11646 static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
11647 u8 qos_map_set_len)
11648 {
11649 struct i802_bss *bss = priv;
11650 struct wpa_driver_nl80211_data *drv = bss->drv;
11651 struct nl_msg *msg;
11652 int ret;
11653
11654 wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map",
11655 qos_map_set, qos_map_set_len);
11656
11657 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_QOS_MAP)) ||
11658 nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) {
11659 nlmsg_free(msg);
11660 return -ENOBUFS;
11661 }
11662
11663 ret = send_and_recv_cmd(drv, msg);
11664 if (ret)
11665 wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
11666
11667 return ret;
11668 }
11669
11670
get_wowlan_handler(struct nl_msg * msg,void * arg)11671 static int get_wowlan_handler(struct nl_msg *msg, void *arg)
11672 {
11673 struct nlattr *tb[NL80211_ATTR_MAX + 1];
11674 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
11675 int *wowlan_enabled = arg;
11676
11677 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
11678 genlmsg_attrlen(gnlh, 0), NULL);
11679
11680 *wowlan_enabled = !!tb[NL80211_ATTR_WOWLAN_TRIGGERS];
11681
11682 return NL_SKIP;
11683 }
11684
11685
nl80211_get_wowlan(void * priv)11686 static int nl80211_get_wowlan(void *priv)
11687 {
11688 struct i802_bss *bss = priv;
11689 struct wpa_driver_nl80211_data *drv = bss->drv;
11690 struct nl_msg *msg;
11691 int wowlan_enabled;
11692 int ret;
11693
11694 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status");
11695
11696 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_WOWLAN);
11697
11698 ret = send_and_recv_resp(drv, msg, get_wowlan_handler, &wowlan_enabled);
11699 if (ret) {
11700 wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status failed");
11701 return 0;
11702 }
11703
11704 wpa_printf(MSG_DEBUG, "nl80211: wowlan is %s",
11705 wowlan_enabled ? "enabled" : "disabled");
11706
11707 return wowlan_enabled;
11708 }
11709
11710
nl80211_set_wowlan(void * priv,const struct wowlan_triggers * triggers)11711 static int nl80211_set_wowlan(void *priv,
11712 const struct wowlan_triggers *triggers)
11713 {
11714 struct i802_bss *bss = priv;
11715 struct wpa_driver_nl80211_data *drv = bss->drv;
11716 struct nl_msg *msg;
11717 struct nlattr *wowlan_triggers;
11718 int ret;
11719
11720 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan");
11721
11722 if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_SET_WOWLAN)) ||
11723 !(wowlan_triggers = nla_nest_start(msg,
11724 NL80211_ATTR_WOWLAN_TRIGGERS)) ||
11725 (triggers->any &&
11726 nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) ||
11727 (triggers->disconnect &&
11728 nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) ||
11729 (triggers->magic_pkt &&
11730 nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) ||
11731 (triggers->gtk_rekey_failure &&
11732 nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) ||
11733 (triggers->eap_identity_req &&
11734 nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) ||
11735 (triggers->four_way_handshake &&
11736 nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) ||
11737 (triggers->rfkill_release &&
11738 nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) {
11739 nlmsg_free(msg);
11740 return -ENOBUFS;
11741 }
11742
11743 nla_nest_end(msg, wowlan_triggers);
11744
11745 ret = send_and_recv_cmd(drv, msg);
11746 if (ret)
11747 wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
11748
11749 return ret;
11750 }
11751
11752
11753 #ifdef CONFIG_DRIVER_NL80211_QCA
nl80211_roaming(void * priv,int allowed,const u8 * bssid)11754 static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
11755 {
11756 struct i802_bss *bss = priv;
11757 struct wpa_driver_nl80211_data *drv = bss->drv;
11758 struct nl_msg *msg;
11759 struct nlattr *params;
11760
11761 wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
11762
11763 if (!drv->roaming_vendor_cmd_avail) {
11764 wpa_printf(MSG_DEBUG,
11765 "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
11766 return -1;
11767 }
11768
11769 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
11770 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
11771 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
11772 QCA_NL80211_VENDOR_SUBCMD_ROAMING) ||
11773 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
11774 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
11775 allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
11776 QCA_ROAMING_NOT_ALLOWED) ||
11777 (bssid &&
11778 nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) {
11779 nlmsg_free(msg);
11780 return -1;
11781 }
11782 nla_nest_end(msg, params);
11783
11784 return send_and_recv_cmd(drv, msg);
11785 }
11786
11787
nl80211_disable_fils(void * priv,int disable)11788 static int nl80211_disable_fils(void *priv, int disable)
11789 {
11790 struct i802_bss *bss = priv;
11791 struct wpa_driver_nl80211_data *drv = bss->drv;
11792 struct nl_msg *msg;
11793 struct nlattr *params;
11794
11795 wpa_printf(MSG_DEBUG, "nl80211: Disable FILS=%d", disable);
11796
11797 if (!drv->set_wifi_conf_vendor_cmd_avail)
11798 return -1;
11799
11800 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
11801 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
11802 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
11803 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION) ||
11804 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
11805 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_DISABLE_FILS,
11806 disable)) {
11807 nlmsg_free(msg);
11808 return -1;
11809 }
11810 nla_nest_end(msg, params);
11811
11812 return send_and_recv_cmd(drv, msg);
11813 }
11814
11815
11816 /* Reserved QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID value for wpa_supplicant */
11817 #define WPA_SUPPLICANT_CLIENT_ID 1
11818
nl80211_set_bssid_tmp_disallow(void * priv,unsigned int num_bssid,const u8 * bssid)11819 static int nl80211_set_bssid_tmp_disallow(void *priv, unsigned int num_bssid,
11820 const u8 *bssid)
11821 {
11822 struct i802_bss *bss = priv;
11823 struct wpa_driver_nl80211_data *drv = bss->drv;
11824 struct nl_msg *msg;
11825 struct nlattr *params, *nlbssids, *attr;
11826 unsigned int i;
11827
11828 wpa_printf(MSG_DEBUG,
11829 "nl80211: Set temporarily disallowed BSSIDs (num=%u)",
11830 num_bssid);
11831
11832 if (!drv->roam_vendor_cmd_avail)
11833 return -1;
11834
11835 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
11836 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
11837 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
11838 QCA_NL80211_VENDOR_SUBCMD_ROAM) ||
11839 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
11840 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_SUBCMD,
11841 QCA_WLAN_VENDOR_ROAMING_SUBCMD_SET_BLACKLIST_BSSID) ||
11842 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_REQ_ID,
11843 WPA_SUPPLICANT_CLIENT_ID) ||
11844 nla_put_u32(msg,
11845 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_NUM_BSSID,
11846 num_bssid))
11847 goto fail;
11848
11849 nlbssids = nla_nest_start(
11850 msg, QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS);
11851 if (!nlbssids)
11852 goto fail;
11853
11854 for (i = 0; i < num_bssid; i++) {
11855 attr = nla_nest_start(msg, i);
11856 if (!attr)
11857 goto fail;
11858 if (nla_put(msg,
11859 QCA_WLAN_VENDOR_ATTR_ROAMING_PARAM_SET_BSSID_PARAMS_BSSID,
11860 ETH_ALEN, &bssid[i * ETH_ALEN]))
11861 goto fail;
11862 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%u]: " MACSTR, i,
11863 MAC2STR(&bssid[i * ETH_ALEN]));
11864 nla_nest_end(msg, attr);
11865 }
11866 nla_nest_end(msg, nlbssids);
11867 nla_nest_end(msg, params);
11868
11869 return send_and_recv_cmd(drv, msg);
11870
11871 fail:
11872 nlmsg_free(msg);
11873 return -1;
11874 }
11875
11876
nl80211_add_sta_node(void * priv,const u8 * addr,u16 auth_alg)11877 static int nl80211_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
11878 {
11879 struct i802_bss *bss = priv;
11880 struct wpa_driver_nl80211_data *drv = bss->drv;
11881 struct nl_msg *msg;
11882 struct nlattr *params;
11883
11884 if (!drv->add_sta_node_vendor_cmd_avail)
11885 return -EOPNOTSUPP;
11886
11887 wpa_printf(MSG_DEBUG, "nl80211: Add STA node");
11888
11889 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
11890 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
11891 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
11892 QCA_NL80211_VENDOR_SUBCMD_ADD_STA_NODE) ||
11893 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
11894 (addr &&
11895 nla_put(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_MAC_ADDR, ETH_ALEN,
11896 addr)) ||
11897 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ADD_STA_NODE_AUTH_ALGO,
11898 auth_alg)) {
11899 nlmsg_free(msg);
11900 wpa_printf(MSG_ERROR,
11901 "%s: err in adding vendor_cmd and vendor_data",
11902 __func__);
11903 return -1;
11904 }
11905 nla_nest_end(msg, params);
11906
11907 return send_and_recv_cmd(drv, msg);
11908 }
11909
11910 #endif /* CONFIG_DRIVER_NL80211_QCA */
11911
11912
nl80211_set_mac_addr(void * priv,const u8 * addr)11913 static int nl80211_set_mac_addr(void *priv, const u8 *addr)
11914 {
11915 struct i802_bss *bss = priv;
11916 struct wpa_driver_nl80211_data *drv = bss->drv;
11917 int new_addr = addr != NULL;
11918
11919 if (TEST_FAIL())
11920 return -1;
11921
11922 if (!addr)
11923 addr = drv->perm_addr;
11924
11925 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0)
11926 return -1;
11927
11928 if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0)
11929 {
11930 wpa_printf(MSG_DEBUG,
11931 "nl80211: failed to set_mac_addr for %s to " MACSTR,
11932 bss->ifname, MAC2STR(addr));
11933 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname,
11934 1) < 0) {
11935 wpa_printf(MSG_DEBUG,
11936 "nl80211: Could not restore interface UP after failed set_mac_addr");
11937 }
11938 return -1;
11939 }
11940
11941 wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR,
11942 bss->ifname, MAC2STR(addr));
11943 drv->addr_changed = new_addr;
11944 os_memcpy(bss->prev_addr, bss->addr, ETH_ALEN);
11945 os_memcpy(bss->addr, addr, ETH_ALEN);
11946
11947 if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0)
11948 {
11949 wpa_printf(MSG_DEBUG,
11950 "nl80211: Could not restore interface UP after set_mac_addr");
11951 }
11952
11953 return 0;
11954 }
11955
11956
11957 #ifdef CONFIG_MESH
11958
wpa_driver_nl80211_init_mesh(void * priv)11959 static int wpa_driver_nl80211_init_mesh(void *priv)
11960 {
11961 if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) {
11962 wpa_printf(MSG_INFO,
11963 "nl80211: Failed to set interface into mesh mode");
11964 return -1;
11965 }
11966 return 0;
11967 }
11968
11969
nl80211_put_mesh_id(struct nl_msg * msg,const u8 * mesh_id,size_t mesh_id_len)11970 static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
11971 size_t mesh_id_len)
11972 {
11973 if (mesh_id) {
11974 wpa_printf(MSG_DEBUG, " * Mesh ID (SSID)=%s",
11975 wpa_ssid_txt(mesh_id, mesh_id_len));
11976 return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
11977 }
11978
11979 return 0;
11980 }
11981
11982
nl80211_put_mesh_config(struct nl_msg * msg,struct wpa_driver_mesh_bss_params * params)11983 static int nl80211_put_mesh_config(struct nl_msg *msg,
11984 struct wpa_driver_mesh_bss_params *params)
11985 {
11986 struct nlattr *container;
11987
11988 container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG);
11989 if (!container)
11990 return -1;
11991
11992 if (((params->flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
11993 nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS,
11994 params->auto_plinks)) ||
11995 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_FORWARDING) &&
11996 nla_put_u8(msg, NL80211_MESHCONF_FORWARDING,
11997 params->forwarding)) ||
11998 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS) &&
11999 nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
12000 params->max_peer_links)) ||
12001 ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_RSSI_THRESHOLD) &&
12002 nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD,
12003 params->rssi_threshold)))
12004 return -1;
12005
12006 /*
12007 * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
12008 * the timer could disconnect stations even in that case.
12009 */
12010 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT) &&
12011 nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT,
12012 params->peer_link_timeout)) {
12013 wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
12014 return -1;
12015 }
12016
12017 if ((params->flags & WPA_DRIVER_MESH_CONF_FLAG_HT_OP_MODE) &&
12018 nla_put_u16(msg, NL80211_MESHCONF_HT_OPMODE, params->ht_opmode)) {
12019 wpa_printf(MSG_ERROR, "nl80211: Failed to set HT_OP_MODE");
12020 return -1;
12021 }
12022
12023 nla_nest_end(msg, container);
12024
12025 return 0;
12026 }
12027
12028
nl80211_join_mesh(struct i802_bss * bss,struct wpa_driver_mesh_join_params * params)12029 static int nl80211_join_mesh(struct i802_bss *bss,
12030 struct wpa_driver_mesh_join_params *params)
12031 {
12032 struct wpa_driver_nl80211_data *drv = bss->drv;
12033 struct nl_msg *msg;
12034 struct nlattr *container;
12035 int ret = -1;
12036
12037 wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
12038 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
12039 if (!msg ||
12040 nl80211_put_freq_params(msg, ¶ms->freq) ||
12041 nl80211_put_basic_rates(msg, params->basic_rates) ||
12042 nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
12043 nl80211_put_beacon_int(msg, params->beacon_int) ||
12044 nl80211_put_dtim_period(msg, params->dtim_period))
12045 goto fail;
12046
12047 wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
12048
12049 if (params->handle_dfs && nla_put_flag(msg, NL80211_ATTR_HANDLE_DFS))
12050 goto fail;
12051
12052 container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP);
12053 if (!container)
12054 goto fail;
12055
12056 if (params->ies) {
12057 wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len);
12058 if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len,
12059 params->ies))
12060 goto fail;
12061 }
12062 /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */
12063 if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) {
12064 if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) ||
12065 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH))
12066 goto fail;
12067 }
12068 if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) &&
12069 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE))
12070 goto fail;
12071 if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) &&
12072 nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM))
12073 goto fail;
12074 nla_nest_end(msg, container);
12075
12076 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
12077 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_PEER_LINK_TIMEOUT;
12078 params->conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_MAX_PEER_LINKS;
12079 if (nl80211_put_mesh_config(msg, ¶ms->conf) < 0)
12080 goto fail;
12081
12082 if (nla_put_flag(msg, NL80211_ATTR_SOCKET_OWNER))
12083 return -1;
12084 ret = send_and_recv(drv->global, bss->nl_connect, msg, NULL, NULL, NULL,
12085 NULL, NULL);
12086 msg = NULL;
12087 if (ret) {
12088 wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
12089 ret, strerror(-ret));
12090 goto fail;
12091 }
12092 ret = 0;
12093 drv->assoc_freq = bss->flink->freq = params->freq.freq;
12094 wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
12095
12096 fail:
12097 nlmsg_free(msg);
12098 return ret;
12099 }
12100
12101
12102 static int
wpa_driver_nl80211_join_mesh(void * priv,struct wpa_driver_mesh_join_params * params)12103 wpa_driver_nl80211_join_mesh(void *priv,
12104 struct wpa_driver_mesh_join_params *params)
12105 {
12106 struct i802_bss *bss = priv;
12107 int ret, timeout;
12108
12109 timeout = params->conf.peer_link_timeout;
12110
12111 /* Disable kernel inactivity timer */
12112 if (params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM)
12113 params->conf.peer_link_timeout = 0;
12114
12115 ret = nl80211_join_mesh(bss, params);
12116 if (ret == -EINVAL && params->conf.peer_link_timeout == 0) {
12117 wpa_printf(MSG_DEBUG,
12118 "nl80211: Mesh join retry for peer_link_timeout");
12119 /*
12120 * Old kernel does not support setting
12121 * NL80211_MESHCONF_PLINK_TIMEOUT to zero, so set 60 seconds
12122 * into future from peer_link_timeout.
12123 */
12124 params->conf.peer_link_timeout = timeout + 60;
12125 ret = nl80211_join_mesh(priv, params);
12126 }
12127
12128 params->conf.peer_link_timeout = timeout;
12129 return ret;
12130 }
12131
12132
wpa_driver_nl80211_leave_mesh(void * priv)12133 static int wpa_driver_nl80211_leave_mesh(void *priv)
12134 {
12135 struct i802_bss *bss = priv;
12136 struct wpa_driver_nl80211_data *drv = bss->drv;
12137 struct nl_msg *msg;
12138 int ret;
12139
12140 wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
12141 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
12142 ret = send_and_recv(drv->global, bss->nl_connect, msg, NULL, NULL, NULL,
12143 NULL, NULL);
12144 if (ret) {
12145 wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
12146 ret, strerror(-ret));
12147 } else {
12148 wpa_printf(MSG_DEBUG,
12149 "nl80211: mesh leave request send successfully");
12150 drv->first_bss->flink->freq = 0;
12151 }
12152
12153 if (drv->start_mode_sta &&
12154 wpa_driver_nl80211_set_mode(drv->first_bss,
12155 NL80211_IFTYPE_STATION)) {
12156 wpa_printf(MSG_INFO,
12157 "nl80211: Failed to set interface into station mode");
12158 }
12159 return ret;
12160 }
12161
12162
nl80211_probe_mesh_link(void * priv,const u8 * addr,const u8 * eth,size_t len)12163 static int nl80211_probe_mesh_link(void *priv, const u8 *addr, const u8 *eth,
12164 size_t len)
12165 {
12166 struct i802_bss *bss = priv;
12167 struct wpa_driver_nl80211_data *drv = bss->drv;
12168 struct nl_msg *msg;
12169 int ret;
12170
12171 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_PROBE_MESH_LINK);
12172 if (!msg ||
12173 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
12174 nla_put(msg, NL80211_ATTR_FRAME, len, eth)) {
12175 nlmsg_free(msg);
12176 return -ENOBUFS;
12177 }
12178
12179 ret = send_and_recv_cmd(drv, msg);
12180 if (ret) {
12181 wpa_printf(MSG_DEBUG, "nl80211: mesh link probe to " MACSTR
12182 " failed: ret=%d (%s)",
12183 MAC2STR(addr), ret, strerror(-ret));
12184 } else {
12185 wpa_printf(MSG_DEBUG, "nl80211: Mesh link to " MACSTR
12186 " probed successfully", MAC2STR(addr));
12187 }
12188
12189 return ret;
12190 }
12191
12192 #endif /* CONFIG_MESH */
12193
12194
wpa_driver_br_add_ip_neigh(void * priv,u8 version,const u8 * ipaddr,int prefixlen,const u8 * addr)12195 static int wpa_driver_br_add_ip_neigh(void *priv, u8 version,
12196 const u8 *ipaddr, int prefixlen,
12197 const u8 *addr)
12198 {
12199 struct i802_bss *bss = priv;
12200 struct wpa_driver_nl80211_data *drv = bss->drv;
12201 struct ndmsg nhdr = {
12202 .ndm_state = NUD_PERMANENT,
12203 .ndm_ifindex = bss->br_ifindex,
12204 };
12205 struct nl_msg *msg;
12206 int addrsize;
12207 int res;
12208
12209 if (!ipaddr || prefixlen == 0 || !addr)
12210 return -EINVAL;
12211
12212 if (bss->br_ifindex == 0) {
12213 wpa_printf(MSG_DEBUG,
12214 "nl80211: bridge must be set before adding an ip neigh to it");
12215 return -1;
12216 }
12217
12218 if (!drv->rtnl_sk) {
12219 wpa_printf(MSG_DEBUG,
12220 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
12221 return -1;
12222 }
12223
12224 if (version == 4) {
12225 nhdr.ndm_family = AF_INET;
12226 addrsize = 4;
12227 } else if (version == 6) {
12228 nhdr.ndm_family = AF_INET6;
12229 addrsize = 16;
12230 } else {
12231 return -EINVAL;
12232 }
12233
12234 msg = nlmsg_alloc_simple(RTM_NEWNEIGH, NLM_F_CREATE);
12235 if (!msg)
12236 return -ENOMEM;
12237
12238 res = -ENOMEM;
12239 if (nlmsg_append(msg, &nhdr, sizeof(nhdr), NLMSG_ALIGNTO) < 0 ||
12240 nla_put(msg, NDA_DST, addrsize, (void *) ipaddr) ||
12241 nla_put(msg, NDA_LLADDR, ETH_ALEN, (void *) addr))
12242 goto errout;
12243
12244 res = nl_send_auto_complete(drv->rtnl_sk, msg);
12245 if (res < 0)
12246 goto errout;
12247
12248 res = nl_wait_for_ack(drv->rtnl_sk);
12249 if (res) {
12250 wpa_printf(MSG_DEBUG,
12251 "nl80211: Adding bridge ip neigh failed: %s",
12252 nl_geterror(res));
12253 }
12254 errout:
12255 nlmsg_free(msg);
12256 return res;
12257 }
12258
12259
wpa_driver_br_delete_ip_neigh(void * priv,u8 version,const u8 * ipaddr)12260 static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version,
12261 const u8 *ipaddr)
12262 {
12263 struct i802_bss *bss = priv;
12264 struct wpa_driver_nl80211_data *drv = bss->drv;
12265 struct ndmsg nhdr = {
12266 .ndm_state = NUD_PERMANENT,
12267 .ndm_ifindex = bss->br_ifindex,
12268 };
12269 struct nl_msg *msg;
12270 int addrsize;
12271 int res;
12272
12273 if (!ipaddr)
12274 return -EINVAL;
12275
12276 if (version == 4) {
12277 nhdr.ndm_family = AF_INET;
12278 addrsize = 4;
12279 } else if (version == 6) {
12280 nhdr.ndm_family = AF_INET6;
12281 addrsize = 16;
12282 } else {
12283 return -EINVAL;
12284 }
12285
12286 if (bss->br_ifindex == 0) {
12287 wpa_printf(MSG_DEBUG,
12288 "nl80211: bridge must be set to delete an ip neigh");
12289 return -1;
12290 }
12291
12292 if (!drv->rtnl_sk) {
12293 wpa_printf(MSG_DEBUG,
12294 "nl80211: nl_sock for NETLINK_ROUTE is not initialized");
12295 return -1;
12296 }
12297
12298 msg = nlmsg_alloc_simple(RTM_DELNEIGH, NLM_F_CREATE);
12299 if (!msg)
12300 return -ENOMEM;
12301
12302 res = -ENOMEM;
12303 if (nlmsg_append(msg, &nhdr, sizeof(nhdr), NLMSG_ALIGNTO) < 0 ||
12304 nla_put(msg, NDA_DST, addrsize, (void *) ipaddr))
12305 goto errout;
12306
12307 res = nl_send_auto_complete(drv->rtnl_sk, msg);
12308 if (res < 0)
12309 goto errout;
12310
12311 res = nl_wait_for_ack(drv->rtnl_sk);
12312 if (res) {
12313 wpa_printf(MSG_DEBUG,
12314 "nl80211: Deleting bridge ip neigh failed: %s",
12315 nl_geterror(res));
12316 }
12317 errout:
12318 nlmsg_free(msg);
12319 return res;
12320 }
12321
12322
linux_write_system_file(const char * path,unsigned int val)12323 static int linux_write_system_file(const char *path, unsigned int val)
12324 {
12325 char buf[50];
12326 int fd, len;
12327
12328 len = os_snprintf(buf, sizeof(buf), "%u\n", val);
12329 if (os_snprintf_error(sizeof(buf), len))
12330 return -1;
12331
12332 fd = open(path, O_WRONLY);
12333 if (fd < 0)
12334 return -1;
12335
12336 if (write(fd, buf, len) < 0) {
12337 wpa_printf(MSG_DEBUG,
12338 "nl80211: Failed to write Linux system file: %s with the value of %d",
12339 path, val);
12340 close(fd);
12341 return -1;
12342 }
12343 close(fd);
12344
12345 return 0;
12346 }
12347
12348
drv_br_port_attr_str(enum drv_br_port_attr attr)12349 static const char * drv_br_port_attr_str(enum drv_br_port_attr attr)
12350 {
12351 switch (attr) {
12352 case DRV_BR_PORT_ATTR_PROXYARP:
12353 return "proxyarp_wifi";
12354 case DRV_BR_PORT_ATTR_HAIRPIN_MODE:
12355 return "hairpin_mode";
12356 case DRV_BR_PORT_ATTR_MCAST2UCAST:
12357 return "multicast_to_unicast";
12358 }
12359
12360 return NULL;
12361 }
12362
12363
wpa_driver_br_port_set_attr(void * priv,enum drv_br_port_attr attr,unsigned int val)12364 static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr,
12365 unsigned int val)
12366 {
12367 struct i802_bss *bss = priv;
12368 char path[128];
12369 const char *attr_txt;
12370
12371 attr_txt = drv_br_port_attr_str(attr);
12372 if (attr_txt == NULL)
12373 return -EINVAL;
12374
12375 os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s",
12376 bss->ifname, attr_txt);
12377
12378 if (linux_write_system_file(path, val))
12379 return -1;
12380
12381 return 0;
12382 }
12383
12384
drv_br_net_param_str(enum drv_br_net_param param)12385 static const char * drv_br_net_param_str(enum drv_br_net_param param)
12386 {
12387 switch (param) {
12388 case DRV_BR_NET_PARAM_GARP_ACCEPT:
12389 return "arp_accept";
12390 default:
12391 return NULL;
12392 }
12393 }
12394
12395
wpa_driver_br_set_net_param(void * priv,enum drv_br_net_param param,unsigned int val)12396 static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param,
12397 unsigned int val)
12398 {
12399 struct i802_bss *bss = priv;
12400 char path[128];
12401 const char *param_txt;
12402 int ip_version = 4;
12403
12404 if (param == DRV_BR_MULTICAST_SNOOPING) {
12405 os_snprintf(path, sizeof(path),
12406 "/sys/devices/virtual/net/%s/bridge/multicast_snooping",
12407 bss->brname);
12408 goto set_val;
12409 }
12410
12411 param_txt = drv_br_net_param_str(param);
12412 if (param_txt == NULL)
12413 return -EINVAL;
12414
12415 switch (param) {
12416 case DRV_BR_NET_PARAM_GARP_ACCEPT:
12417 ip_version = 4;
12418 break;
12419 default:
12420 return -EINVAL;
12421 }
12422
12423 os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s",
12424 ip_version, bss->brname, param_txt);
12425
12426 set_val:
12427 if (linux_write_system_file(path, val))
12428 return -1;
12429
12430 return 0;
12431 }
12432
12433
12434 #ifdef CONFIG_DRIVER_NL80211_QCA
12435
hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)12436 static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode)
12437 {
12438 switch (hw_mode) {
12439 case HOSTAPD_MODE_IEEE80211B:
12440 return QCA_ACS_MODE_IEEE80211B;
12441 case HOSTAPD_MODE_IEEE80211G:
12442 return QCA_ACS_MODE_IEEE80211G;
12443 case HOSTAPD_MODE_IEEE80211A:
12444 return QCA_ACS_MODE_IEEE80211A;
12445 case HOSTAPD_MODE_IEEE80211AD:
12446 return QCA_ACS_MODE_IEEE80211AD;
12447 case HOSTAPD_MODE_IEEE80211ANY:
12448 return QCA_ACS_MODE_IEEE80211ANY;
12449 default:
12450 return -1;
12451 }
12452 }
12453
12454
add_acs_ch_list(struct nl_msg * msg,const int * freq_list)12455 static int add_acs_ch_list(struct nl_msg *msg, const int *freq_list)
12456 {
12457 int num_channels = 0, num_freqs;
12458 u8 *ch_list;
12459 enum hostapd_hw_mode hw_mode;
12460 int ret = 0;
12461 int i;
12462
12463 if (!freq_list)
12464 return 0;
12465
12466 num_freqs = int_array_len(freq_list);
12467 ch_list = os_malloc(sizeof(u8) * num_freqs);
12468 if (!ch_list)
12469 return -1;
12470
12471 for (i = 0; i < num_freqs; i++) {
12472 const int freq = freq_list[i];
12473
12474 if (freq == 0)
12475 break;
12476 /* Send 2.4 GHz and 5 GHz channels with
12477 * QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST to maintain backwards
12478 * compatibility.
12479 */
12480 if (!(freq >= 2412 && freq <= 2484) &&
12481 !(freq >= 5180 && freq <= 5900) &&
12482 !(freq >= 5945 && freq <= 7115))
12483 continue;
12484 hw_mode = ieee80211_freq_to_chan(freq, &ch_list[num_channels]);
12485 if (hw_mode != NUM_HOSTAPD_MODES)
12486 num_channels++;
12487 }
12488
12489 if (num_channels)
12490 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_CH_LIST,
12491 num_channels, ch_list);
12492
12493 os_free(ch_list);
12494 return ret;
12495 }
12496
12497
add_acs_freq_list(struct nl_msg * msg,const int * freq_list)12498 static int add_acs_freq_list(struct nl_msg *msg, const int *freq_list)
12499 {
12500 int i, len, ret;
12501 u32 *freqs;
12502
12503 if (!freq_list)
12504 return 0;
12505 len = int_array_len(freq_list);
12506 freqs = os_malloc(sizeof(u32) * len);
12507 if (!freqs)
12508 return -1;
12509 for (i = 0; i < len; i++)
12510 freqs[i] = freq_list[i];
12511 ret = nla_put(msg, QCA_WLAN_VENDOR_ATTR_ACS_FREQ_LIST,
12512 sizeof(u32) * len, freqs);
12513 os_free(freqs);
12514 return ret;
12515 }
12516
12517
nl80211_qca_do_acs(struct wpa_driver_nl80211_data * drv,struct drv_acs_params * params)12518 static int nl80211_qca_do_acs(struct wpa_driver_nl80211_data *drv,
12519 struct drv_acs_params *params)
12520 {
12521 struct nl_msg *msg;
12522 struct nlattr *data;
12523 int ret;
12524 int mode;
12525
12526 mode = hw_mode_to_qca_acs(params->hw_mode);
12527 if (mode < 0)
12528 return -1;
12529
12530 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
12531 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
12532 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12533 QCA_NL80211_VENDOR_SUBCMD_DO_ACS) ||
12534 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
12535 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) ||
12536 (params->ht_enabled &&
12537 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) ||
12538 (params->ht40_enabled &&
12539 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED)) ||
12540 (params->vht_enabled &&
12541 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_VHT_ENABLED)) ||
12542 (params->eht_enabled &&
12543 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_EHT_ENABLED)) ||
12544 nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH,
12545 params->ch_width) ||
12546 add_acs_ch_list(msg, params->freq_list) ||
12547 add_acs_freq_list(msg, params->freq_list) ||
12548 (params->edmg_enabled &&
12549 nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_EDMG_ENABLED)) ||
12550 (params->link_id != NL80211_DRV_LINK_ID_NA &&
12551 nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_LINK_ID,
12552 params->link_id))) {
12553 nlmsg_free(msg);
12554 return -ENOBUFS;
12555 }
12556 nla_nest_end(msg, data);
12557
12558 wpa_printf(MSG_DEBUG,
12559 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d EHT: %d BW: %d EDMG: %d, link_id: %d",
12560 params->hw_mode, params->ht_enabled, params->ht40_enabled,
12561 params->vht_enabled, params->eht_enabled, params->ch_width,
12562 params->edmg_enabled, params->link_id);
12563
12564 ret = send_and_recv_cmd(drv, msg);
12565 if (ret) {
12566 wpa_printf(MSG_DEBUG,
12567 "nl80211: Failed to invoke driver ACS function: %s",
12568 strerror(-ret));
12569 }
12570 return ret;
12571 }
12572
12573
nl80211_set_band(void * priv,u32 band_mask)12574 static int nl80211_set_band(void *priv, u32 band_mask)
12575 {
12576 struct i802_bss *bss = priv;
12577 struct wpa_driver_nl80211_data *drv = bss->drv;
12578 struct nl_msg *msg;
12579 struct nlattr *data;
12580 int ret;
12581 enum qca_set_band qca_band_value;
12582 u32 qca_band_mask = QCA_SETBAND_AUTO;
12583
12584 if (!drv->setband_vendor_cmd_avail ||
12585 (band_mask > (WPA_SETBAND_2G | WPA_SETBAND_5G | WPA_SETBAND_6G)))
12586 return -1;
12587
12588 if (band_mask & WPA_SETBAND_5G)
12589 qca_band_mask |= QCA_SETBAND_5G;
12590 if (band_mask & WPA_SETBAND_2G)
12591 qca_band_mask |= QCA_SETBAND_2G;
12592 if (band_mask & WPA_SETBAND_6G)
12593 qca_band_mask |= QCA_SETBAND_6G;
12594
12595 /*
12596 * QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE is a legacy interface hence make
12597 * it suite to its values (AUTO/5G/2G) for backwards compatibility.
12598 */
12599 qca_band_value = ((qca_band_mask & QCA_SETBAND_5G) &&
12600 (qca_band_mask & QCA_SETBAND_2G)) ?
12601 QCA_SETBAND_AUTO :
12602 qca_band_mask & ~QCA_SETBAND_6G;
12603
12604 wpa_printf(MSG_DEBUG,
12605 "nl80211: QCA_BAND_MASK = 0x%x, QCA_BAND_VALUE = %d",
12606 qca_band_mask, qca_band_value);
12607
12608 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
12609 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
12610 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12611 QCA_NL80211_VENDOR_SUBCMD_SETBAND) ||
12612 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
12613 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_VALUE,
12614 qca_band_value) ||
12615 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SETBAND_MASK,
12616 qca_band_mask)) {
12617 nlmsg_free(msg);
12618 return -ENOBUFS;
12619 }
12620 nla_nest_end(msg, data);
12621
12622 ret = send_and_recv_cmd(drv, msg);
12623 if (ret) {
12624 wpa_printf(MSG_DEBUG,
12625 "nl80211: Driver setband function failed: %s",
12626 strerror(-ret));
12627 }
12628 return ret;
12629 }
12630
12631
12632 struct nl80211_pcl {
12633 unsigned int num;
12634 struct weighted_pcl *freq_list;
12635 };
12636
get_pcl_attr_values(struct weighted_pcl * wpcl,struct nlattr * nl[])12637 static void get_pcl_attr_values(struct weighted_pcl *wpcl, struct nlattr *nl[])
12638 {
12639 if (nl[QCA_WLAN_VENDOR_ATTR_PCL_FREQ])
12640 wpcl->freq = nla_get_u32(nl[QCA_WLAN_VENDOR_ATTR_PCL_FREQ]);
12641 if (nl[QCA_WLAN_VENDOR_ATTR_PCL_WEIGHT])
12642 wpcl->weight = nla_get_u8(nl[QCA_WLAN_VENDOR_ATTR_PCL_WEIGHT]);
12643 if (nl[QCA_WLAN_VENDOR_ATTR_PCL_FLAG]) {
12644 u32 flags = nla_get_u32(nl[QCA_WLAN_VENDOR_ATTR_PCL_FLAG]);
12645
12646 wpcl->flag = 0;
12647 if (flags & BIT(0))
12648 wpcl->flag |= WEIGHTED_PCL_GO;
12649 if (flags & BIT(1))
12650 wpcl->flag |= WEIGHTED_PCL_CLI;
12651 if (flags & BIT(2))
12652 wpcl->flag |= WEIGHTED_PCL_MUST_CONSIDER;
12653 if (flags & BIT(3))
12654 wpcl->flag |= WEIGHTED_PCL_EXCLUDE;
12655 } else {
12656 wpcl->flag = WEIGHTED_PCL_GO | WEIGHTED_PCL_CLI;
12657 }
12658 }
12659
12660
preferred_freq_info_handler(struct nl_msg * msg,void * arg)12661 static int preferred_freq_info_handler(struct nl_msg *msg, void *arg)
12662 {
12663 struct nlattr *tb[NL80211_ATTR_MAX + 1];
12664 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
12665 struct nl80211_pcl *param = arg;
12666 struct nlattr *nl_vend, *attr;
12667 enum qca_iface_type iface_type;
12668 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
12669 struct nlattr *nl_pcl[QCA_WLAN_VENDOR_ATTR_PCL_MAX + 1];
12670 unsigned int num, max_num;
12671 u32 *freqs;
12672
12673 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
12674 genlmsg_attrlen(gnlh, 0), NULL);
12675
12676 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
12677 if (!nl_vend)
12678 return NL_SKIP;
12679
12680 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
12681 nla_data(nl_vend), nla_len(nl_vend), NULL);
12682
12683 attr = tb_vendor[
12684 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE];
12685 if (!attr) {
12686 wpa_printf(MSG_ERROR, "nl80211: iface_type couldn't be found");
12687 param->num = 0;
12688 return NL_SKIP;
12689 }
12690
12691 iface_type = (enum qca_iface_type) nla_get_u32(attr);
12692 wpa_printf(MSG_DEBUG, "nl80211: Driver returned iface_type=%d",
12693 iface_type);
12694
12695 attr = tb_vendor[
12696 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_WEIGHED_PCL];
12697 if (attr) {
12698 int rem;
12699 struct nlattr *wpcl = attr;
12700 unsigned int i;
12701
12702 num = 0;
12703 nla_for_each_nested(attr, wpcl, rem) {
12704 if (num == param->num)
12705 break; /* not enough room for all entries */
12706 if (nla_parse(nl_pcl, QCA_WLAN_VENDOR_ATTR_PCL_MAX,
12707 nla_data(attr), nla_len(attr), NULL)) {
12708 wpa_printf(MSG_ERROR,
12709 "nl80211: Failed to parse PCL info");
12710 param->num = 0;
12711 return NL_SKIP;
12712 }
12713 get_pcl_attr_values(¶m->freq_list[num], nl_pcl);
12714 num++;
12715 }
12716 param->num = num;
12717
12718 /* Sort frequencies based on their weight */
12719 for (i = 0; i < num; i++) {
12720 unsigned int j;
12721
12722 for (j = i + 1; j < num; j++) {
12723 if (param->freq_list[i].weight <
12724 param->freq_list[j].weight) {
12725 struct weighted_pcl tmp;
12726
12727 tmp = param->freq_list[i];
12728 param->freq_list[i] =
12729 param->freq_list[j];
12730 param->freq_list[j] = tmp;
12731 }
12732 }
12733 }
12734 } else if (tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST]) {
12735 wpa_printf(MSG_DEBUG,
12736 "nl80211: Driver does not provide weighted PCL; use the non-weighted variant");
12737 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST];
12738 /*
12739 * param->num has the maximum number of entries for which there
12740 * is room in the freq_list provided by the caller.
12741 */
12742 freqs = nla_data(attr);
12743 max_num = nla_len(attr) / sizeof(u32);
12744 if (max_num > param->num)
12745 max_num = param->num;
12746 for (num = 0; num < max_num; num++) {
12747 param->freq_list[num].freq = freqs[num];
12748 param->freq_list[num].flag =
12749 WEIGHTED_PCL_GO | WEIGHTED_PCL_CLI;
12750 }
12751 param->num = num;
12752 } else {
12753 wpa_printf(MSG_ERROR,
12754 "nl80211: preferred_freq_list couldn't be found");
12755 param->num = 0;
12756 return NL_SKIP;
12757 }
12758 return NL_SKIP;
12759 }
12760
12761
nl80211_get_pref_freq_list(void * priv,enum wpa_driver_if_type if_type,unsigned int * num,struct weighted_pcl * freq_list)12762 static int nl80211_get_pref_freq_list(void *priv,
12763 enum wpa_driver_if_type if_type,
12764 unsigned int *num,
12765 struct weighted_pcl *freq_list)
12766 {
12767 struct i802_bss *bss = priv;
12768 struct wpa_driver_nl80211_data *drv = bss->drv;
12769 struct nl_msg *msg;
12770 int ret;
12771 unsigned int i;
12772 struct nlattr *params;
12773 struct nl80211_pcl param;
12774 enum qca_iface_type iface_type;
12775
12776 if (!drv->get_pref_freq_list)
12777 return -1;
12778
12779 switch (if_type) {
12780 case WPA_IF_STATION:
12781 iface_type = QCA_IFACE_TYPE_STA;
12782 break;
12783 case WPA_IF_AP_BSS:
12784 iface_type = QCA_IFACE_TYPE_AP;
12785 break;
12786 case WPA_IF_P2P_GO:
12787 iface_type = QCA_IFACE_TYPE_P2P_GO;
12788 break;
12789 case WPA_IF_P2P_CLIENT:
12790 iface_type = QCA_IFACE_TYPE_P2P_CLIENT;
12791 break;
12792 case WPA_IF_IBSS:
12793 iface_type = QCA_IFACE_TYPE_IBSS;
12794 break;
12795 case WPA_IF_TDLS:
12796 iface_type = QCA_IFACE_TYPE_TDLS;
12797 break;
12798 default:
12799 return -1;
12800 }
12801
12802 param.num = *num;
12803 param.freq_list = freq_list;
12804
12805 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
12806 nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) ||
12807 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
12808 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12809 QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST) ||
12810 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
12811 nla_put_u32(msg,
12812 QCA_WLAN_VENDOR_ATTR_GET_PREFERRED_FREQ_LIST_IFACE_TYPE,
12813 iface_type)) {
12814 wpa_printf(MSG_ERROR,
12815 "%s: err in adding vendor_cmd and vendor_data",
12816 __func__);
12817 nlmsg_free(msg);
12818 return -1;
12819 }
12820 nla_nest_end(msg, params);
12821
12822 if (freq_list)
12823 os_memset(freq_list, 0, *num * sizeof(struct weighted_pcl));
12824 ret = send_and_recv_resp(drv, msg, preferred_freq_info_handler, ¶m);
12825 if (ret) {
12826 wpa_printf(MSG_ERROR,
12827 "%s: err in send_and_recv_resp", __func__);
12828 return ret;
12829 }
12830
12831 *num = param.num;
12832
12833 for (i = 0; i < *num; i++) {
12834 wpa_printf(MSG_DEBUG,
12835 "nl80211: preferred_channel_list[%d]=%d[%d]:0x%x",
12836 i, freq_list[i].freq, freq_list[i].weight,
12837 freq_list[i].flag);
12838 }
12839
12840 return 0;
12841 }
12842
12843
nl80211_set_prob_oper_freq(void * priv,unsigned int freq)12844 static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
12845 {
12846 struct i802_bss *bss = priv;
12847 struct wpa_driver_nl80211_data *drv = bss->drv;
12848 struct nl_msg *msg;
12849 int ret;
12850 struct nlattr *params;
12851
12852 if (!drv->set_prob_oper_freq)
12853 return -1;
12854
12855 wpa_printf(MSG_DEBUG,
12856 "nl80211: Set P2P probable operating freq %u for ifindex %d",
12857 freq, bss->ifindex);
12858
12859 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
12860 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
12861 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12862 QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL) ||
12863 !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
12864 nla_put_u32(msg,
12865 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_IFACE_TYPE,
12866 QCA_IFACE_TYPE_P2P_CLIENT) ||
12867 nla_put_u32(msg,
12868 QCA_WLAN_VENDOR_ATTR_PROBABLE_OPER_CHANNEL_FREQ,
12869 freq)) {
12870 wpa_printf(MSG_ERROR,
12871 "%s: err in adding vendor_cmd and vendor_data",
12872 __func__);
12873 nlmsg_free(msg);
12874 return -1;
12875 }
12876 nla_nest_end(msg, params);
12877
12878 ret = send_and_recv_cmd(drv, msg);
12879 msg = NULL;
12880 if (ret) {
12881 wpa_printf(MSG_ERROR, "%s: err in send_and_recv_cmd",
12882 __func__);
12883 return ret;
12884 }
12885 nlmsg_free(msg);
12886 return 0;
12887 }
12888
12889
nl80211_p2p_lo_start(void * priv,unsigned int freq,unsigned int period,unsigned int interval,unsigned int count,const u8 * device_types,size_t dev_types_len,const u8 * ies,size_t ies_len)12890 static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
12891 unsigned int period, unsigned int interval,
12892 unsigned int count, const u8 *device_types,
12893 size_t dev_types_len,
12894 const u8 *ies, size_t ies_len)
12895 {
12896 struct i802_bss *bss = priv;
12897 struct wpa_driver_nl80211_data *drv = bss->drv;
12898 struct nl_msg *msg;
12899 struct nlattr *container;
12900 int ret;
12901
12902 wpa_printf(MSG_DEBUG,
12903 "nl80211: Start P2P Listen offload: freq=%u, period=%u, interval=%u, count=%u",
12904 freq, period, interval, count);
12905
12906 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
12907 return -1;
12908
12909 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
12910 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
12911 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12912 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_START))
12913 goto fail;
12914
12915 container = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
12916 if (!container)
12917 goto fail;
12918
12919 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_CHANNEL,
12920 freq) ||
12921 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_PERIOD,
12922 period) ||
12923 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_INTERVAL,
12924 interval) ||
12925 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_COUNT,
12926 count) ||
12927 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_DEVICE_TYPES,
12928 dev_types_len, device_types) ||
12929 nla_put(msg, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_VENDOR_IE,
12930 ies_len, ies))
12931 goto fail;
12932
12933 nla_nest_end(msg, container);
12934 ret = send_and_recv_cmd(drv, msg);
12935 msg = NULL;
12936 if (ret) {
12937 wpa_printf(MSG_DEBUG,
12938 "nl80211: Failed to send P2P Listen offload vendor command");
12939 goto fail;
12940 }
12941
12942 return 0;
12943
12944 fail:
12945 nlmsg_free(msg);
12946 return -1;
12947 }
12948
12949
nl80211_p2p_lo_stop(void * priv)12950 static int nl80211_p2p_lo_stop(void *priv)
12951 {
12952 struct i802_bss *bss = priv;
12953 struct wpa_driver_nl80211_data *drv = bss->drv;
12954 struct nl_msg *msg;
12955
12956 wpa_printf(MSG_DEBUG, "nl80211: Stop P2P Listen offload");
12957
12958 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD))
12959 return -1;
12960
12961 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
12962 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
12963 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12964 QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP)) {
12965 nlmsg_free(msg);
12966 return -1;
12967 }
12968
12969 return send_and_recv_cmd(drv, msg);
12970 }
12971
12972
nl80211_set_tdls_mode(void * priv,int tdls_external_control)12973 static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
12974 {
12975 struct i802_bss *bss = priv;
12976 struct wpa_driver_nl80211_data *drv = bss->drv;
12977 struct nl_msg *msg;
12978 struct nlattr *params;
12979 int ret;
12980 u32 tdls_mode;
12981
12982 wpa_printf(MSG_DEBUG,
12983 "nl80211: Set TDKS mode: tdls_external_control=%d",
12984 tdls_external_control);
12985
12986 if (tdls_external_control == 1)
12987 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_IMPLICIT |
12988 QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXTERNAL;
12989 else
12990 tdls_mode = QCA_WLAN_VENDOR_TDLS_TRIGGER_MODE_EXPLICIT;
12991
12992 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
12993 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
12994 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
12995 QCA_NL80211_VENDOR_SUBCMD_CONFIGURE_TDLS))
12996 goto fail;
12997
12998 params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
12999 if (!params)
13000 goto fail;
13001
13002 if (nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_TDLS_CONFIG_TRIGGER_MODE,
13003 tdls_mode))
13004 goto fail;
13005
13006 nla_nest_end(msg, params);
13007
13008 ret = send_and_recv_cmd(drv, msg);
13009 msg = NULL;
13010 if (ret) {
13011 wpa_printf(MSG_ERROR,
13012 "nl80211: Set TDLS mode failed: ret=%d (%s)",
13013 ret, strerror(-ret));
13014 goto fail;
13015 }
13016 return 0;
13017 fail:
13018 nlmsg_free(msg);
13019 return -1;
13020 }
13021
13022
13023 #ifdef CONFIG_MBO
13024
13025 static enum mbo_transition_reject_reason
nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)13026 nl80211_mbo_reject_reason_mapping(enum qca_wlan_btm_candidate_status status)
13027 {
13028 switch (status) {
13029 case QCA_STATUS_REJECT_EXCESSIVE_FRAME_LOSS_EXPECTED:
13030 return MBO_TRANSITION_REJECT_REASON_FRAME_LOSS;
13031 case QCA_STATUS_REJECT_EXCESSIVE_DELAY_EXPECTED:
13032 return MBO_TRANSITION_REJECT_REASON_DELAY;
13033 case QCA_STATUS_REJECT_INSUFFICIENT_QOS_CAPACITY:
13034 return MBO_TRANSITION_REJECT_REASON_QOS_CAPACITY;
13035 case QCA_STATUS_REJECT_LOW_RSSI:
13036 return MBO_TRANSITION_REJECT_REASON_RSSI;
13037 case QCA_STATUS_REJECT_HIGH_INTERFERENCE:
13038 return MBO_TRANSITION_REJECT_REASON_INTERFERENCE;
13039 case QCA_STATUS_REJECT_UNKNOWN:
13040 default:
13041 return MBO_TRANSITION_REJECT_REASON_UNSPECIFIED;
13042 }
13043 }
13044
13045
nl80211_parse_btm_candidate_info(struct candidate_list * candidate,struct nlattr * tb[],int num)13046 static void nl80211_parse_btm_candidate_info(struct candidate_list *candidate,
13047 struct nlattr *tb[], int num)
13048 {
13049 enum qca_wlan_btm_candidate_status status;
13050 char buf[50];
13051
13052 os_memcpy(candidate->bssid,
13053 nla_data(tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID]),
13054 ETH_ALEN);
13055
13056 status = nla_get_u32(
13057 tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS]);
13058 candidate->is_accept = status == QCA_STATUS_ACCEPT;
13059 candidate->reject_reason = nl80211_mbo_reject_reason_mapping(status);
13060
13061 if (candidate->is_accept)
13062 os_snprintf(buf, sizeof(buf), "Accepted");
13063 else
13064 os_snprintf(buf, sizeof(buf),
13065 "Rejected, Reject_reason: %d",
13066 candidate->reject_reason);
13067 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR " %s",
13068 num, MAC2STR(candidate->bssid), buf);
13069 }
13070
13071
13072 static int
nl80211_get_bss_transition_status_handler(struct nl_msg * msg,void * arg)13073 nl80211_get_bss_transition_status_handler(struct nl_msg *msg, void *arg)
13074 {
13075 struct wpa_bss_candidate_info *info = arg;
13076 struct candidate_list *candidate = info->candidates;
13077 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
13078 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
13079 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1];
13080 static struct nla_policy policy[
13081 QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX + 1] = {
13082 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] = {
13083 .minlen = ETH_ALEN
13084 },
13085 [QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS] = {
13086 .type = NLA_U32,
13087 },
13088 };
13089 struct nlattr *attr;
13090 int rem;
13091 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
13092 u8 num;
13093
13094 num = info->num; /* number of candidates sent to driver */
13095 info->num = 0;
13096 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
13097 genlmsg_attrlen(gnlh, 0), NULL);
13098
13099 if (!tb_msg[NL80211_ATTR_VENDOR_DATA] ||
13100 nla_parse_nested(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
13101 tb_msg[NL80211_ATTR_VENDOR_DATA], NULL) ||
13102 !tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO])
13103 return NL_SKIP;
13104
13105 wpa_printf(MSG_DEBUG,
13106 "nl80211: WNM Candidate list received from driver");
13107 nla_for_each_nested(attr,
13108 tb_vendor[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO],
13109 rem) {
13110 if (info->num >= num ||
13111 nla_parse_nested(
13112 tb, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_MAX,
13113 attr, policy) ||
13114 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID] ||
13115 !tb[QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_STATUS])
13116 break;
13117
13118 nl80211_parse_btm_candidate_info(candidate, tb, info->num);
13119
13120 candidate++;
13121 info->num++;
13122 }
13123
13124 return NL_SKIP;
13125 }
13126
13127
13128 static struct wpa_bss_candidate_info *
nl80211_get_bss_transition_status(void * priv,struct wpa_bss_trans_info * params)13129 nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
13130 {
13131 struct i802_bss *bss = priv;
13132 struct wpa_driver_nl80211_data *drv = bss->drv;
13133 struct nl_msg *msg;
13134 struct nlattr *attr, *attr1, *attr2;
13135 struct wpa_bss_candidate_info *info;
13136 u8 i;
13137 int ret;
13138 u8 *pos;
13139
13140 if (!drv->fetch_bss_trans_status)
13141 return NULL;
13142
13143 info = os_zalloc(sizeof(*info));
13144 if (!info)
13145 return NULL;
13146 /* Allocate memory for number of candidates sent to driver */
13147 info->candidates = os_calloc(params->n_candidates,
13148 sizeof(*info->candidates));
13149 if (!info->candidates) {
13150 os_free(info);
13151 return NULL;
13152 }
13153
13154 /* Copy the number of candidates being sent to driver. This is used in
13155 * nl80211_get_bss_transition_status_handler() to limit the number of
13156 * candidates that can be populated in info->candidates and will be
13157 * later overwritten with the actual number of candidates received from
13158 * the driver.
13159 */
13160 info->num = params->n_candidates;
13161
13162 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
13163 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
13164 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
13165 QCA_NL80211_VENDOR_SUBCMD_FETCH_BSS_TRANSITION_STATUS))
13166 goto fail;
13167
13168 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
13169 if (!attr)
13170 goto fail;
13171
13172 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_BTM_MBO_TRANSITION_REASON,
13173 params->mbo_transition_reason))
13174 goto fail;
13175
13176 attr1 = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO);
13177 if (!attr1)
13178 goto fail;
13179
13180 wpa_printf(MSG_DEBUG,
13181 "nl80211: WNM Candidate list info sending to driver: mbo_transition_reason: %d n_candidates: %d",
13182 params->mbo_transition_reason, params->n_candidates);
13183 pos = params->bssid;
13184 for (i = 0; i < params->n_candidates; i++) {
13185 wpa_printf(MSG_DEBUG, "nl80211: BSSID[%d]: " MACSTR, i,
13186 MAC2STR(pos));
13187 attr2 = nla_nest_start(msg, i);
13188 if (!attr2 ||
13189 nla_put(msg, QCA_WLAN_VENDOR_ATTR_BTM_CANDIDATE_INFO_BSSID,
13190 ETH_ALEN, pos))
13191 goto fail;
13192 pos += ETH_ALEN;
13193 nla_nest_end(msg, attr2);
13194 }
13195
13196 nla_nest_end(msg, attr1);
13197 nla_nest_end(msg, attr);
13198
13199 ret = send_and_recv_resp(drv, msg,
13200 nl80211_get_bss_transition_status_handler,
13201 info);
13202 msg = NULL;
13203 if (ret) {
13204 wpa_printf(MSG_ERROR,
13205 "nl80211: WNM Get BSS transition status failed: ret=%d (%s)",
13206 ret, strerror(-ret));
13207 goto fail;
13208 }
13209 return info;
13210
13211 fail:
13212 nlmsg_free(msg);
13213 os_free(info->candidates);
13214 os_free(info);
13215 return NULL;
13216 }
13217
13218
13219 /**
13220 * nl80211_ignore_assoc_disallow - Configure driver to ignore assoc_disallow
13221 * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
13222 * @ignore_assoc_disallow: 0 to not ignore, 1 to ignore
13223 * Returns: 0 on success, -1 on failure
13224 */
nl80211_ignore_assoc_disallow(void * priv,int ignore_disallow)13225 static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
13226 {
13227 struct i802_bss *bss = priv;
13228 struct wpa_driver_nl80211_data *drv = bss->drv;
13229 struct nl_msg *msg;
13230 struct nlattr *attr;
13231 int ret = -1;
13232
13233 if (!drv->set_wifi_conf_vendor_cmd_avail)
13234 return -1;
13235
13236 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
13237 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
13238 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
13239 QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION))
13240 goto fail;
13241
13242 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
13243 if (!attr)
13244 goto fail;
13245
13246 wpa_printf(MSG_DEBUG, "nl80211: Set ignore_assoc_disallow %d",
13247 ignore_disallow);
13248 if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_CONFIG_IGNORE_ASSOC_DISALLOWED,
13249 ignore_disallow))
13250 goto fail;
13251
13252 nla_nest_end(msg, attr);
13253
13254 ret = send_and_recv_cmd(drv, msg);
13255 msg = NULL;
13256 if (ret) {
13257 wpa_printf(MSG_ERROR,
13258 "nl80211: Set ignore_assoc_disallow failed: ret=%d (%s)",
13259 ret, strerror(-ret));
13260 goto fail;
13261 }
13262
13263 fail:
13264 nlmsg_free(msg);
13265 return ret;
13266 }
13267
13268 #endif /* CONFIG_MBO */
13269
13270
13271 #ifdef CONFIG_PASN
13272
nl80211_send_pasn_resp(void * priv,struct pasn_auth * params)13273 static int nl80211_send_pasn_resp(void *priv, struct pasn_auth *params)
13274 {
13275 unsigned int i;
13276 struct i802_bss *bss = priv;
13277 struct nl_msg *msg = NULL;
13278 struct nlattr *nlpeers, *attr, *attr1;
13279 struct wpa_driver_nl80211_data *drv = bss->drv;
13280
13281 wpa_dbg(drv->ctx, MSG_DEBUG,
13282 "nl80211: PASN authentication response for %d entries",
13283 params->num_peers);
13284 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR);
13285 if (!msg ||
13286 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
13287 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
13288 QCA_NL80211_VENDOR_SUBCMD_PASN))
13289 goto fail;
13290
13291 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
13292 if (!attr)
13293 goto fail;
13294
13295 nlpeers = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_PASN_PEERS);
13296 if (!nlpeers)
13297 goto fail;
13298
13299 for (i = 0; i < params->num_peers; i++) {
13300 attr1 = nla_nest_start(msg, i);
13301 if (!attr1 ||
13302 nla_put(msg, QCA_WLAN_VENDOR_ATTR_PASN_PEER_SRC_ADDR,
13303 ETH_ALEN, params->peer[i].own_addr) ||
13304 nla_put(msg, QCA_WLAN_VENDOR_ATTR_PASN_PEER_MAC_ADDR,
13305 ETH_ALEN, params->peer[i].peer_addr))
13306 goto fail;
13307
13308 if (params->peer[i].status == 0 &&
13309 nla_put_flag(msg,
13310 QCA_WLAN_VENDOR_ATTR_PASN_PEER_STATUS_SUCCESS))
13311 goto fail;
13312
13313 wpa_printf(MSG_DEBUG,
13314 "nl80211: Own address[%u]: " MACSTR
13315 " Peer address[%u]: " MACSTR " Status: %s",
13316 i, MAC2STR(params->peer[i].own_addr), i,
13317 MAC2STR(params->peer[i].peer_addr),
13318 params->peer[i].status ? "Fail" : "Success");
13319 nla_nest_end(msg, attr1);
13320 }
13321
13322 nla_nest_end(msg, nlpeers);
13323 nla_nest_end(msg, attr);
13324
13325 return send_and_recv_cmd(drv, msg);
13326
13327 fail:
13328 nlmsg_free(msg);
13329 return -1;
13330 }
13331
13332
wpa_ltf_keyseed_len_to_sha_type(size_t len)13333 static u32 wpa_ltf_keyseed_len_to_sha_type(size_t len)
13334 {
13335 if (len == SHA384_MAC_LEN)
13336 return QCA_WLAN_VENDOR_SHA_384;
13337 if (len == SHA256_MAC_LEN)
13338 return QCA_WLAN_VENDOR_SHA_256;
13339
13340 wpa_printf(MSG_ERROR, "nl80211: Unexpected LTF keyseed len %zu", len);
13341 return (u32) -1;
13342 }
13343
13344
nl80211_set_secure_ranging_ctx(void * priv,struct secure_ranging_params * params)13345 static int nl80211_set_secure_ranging_ctx(void *priv,
13346 struct secure_ranging_params *params)
13347 {
13348 int ret;
13349 u32 suite;
13350 struct nlattr *attr;
13351 struct nl_msg *msg = NULL;
13352 struct i802_bss *bss = priv;
13353 struct wpa_driver_nl80211_data *drv = bss->drv;
13354
13355 /* Configure secure ranging context only to the drivers that support it.
13356 */
13357 if (!drv->secure_ranging_ctx_vendor_cmd_avail)
13358 return 0;
13359
13360 if (!params->peer_addr || !params->own_addr)
13361 return -1;
13362
13363 wpa_dbg(drv->ctx, MSG_DEBUG,
13364 "nl80211: Secure ranging context for " MACSTR,
13365 MAC2STR(params->peer_addr));
13366
13367 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR);
13368 if (!msg ||
13369 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
13370 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
13371 QCA_NL80211_VENDOR_SUBCMD_SECURE_RANGING_CONTEXT))
13372 goto fail;
13373
13374 attr = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
13375 if (!attr)
13376 goto fail;
13377
13378 if (nla_put(msg, QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_PEER_MAC_ADDR,
13379 ETH_ALEN, params->peer_addr) ||
13380 nla_put(msg, QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_SRC_ADDR,
13381 ETH_ALEN, params->own_addr) ||
13382 nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_ACTION,
13383 params->action))
13384 goto fail;
13385
13386 if (params->cipher) {
13387 suite = wpa_cipher_to_cipher_suite(params->cipher);
13388 if (!suite ||
13389 nla_put_u32(msg,
13390 QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_CIPHER,
13391 suite))
13392 goto fail;
13393 }
13394
13395 if (params->tk_len && params->tk) {
13396 if (nla_put(msg, QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_TK,
13397 params->tk_len, params->tk))
13398 goto fail;
13399 wpa_hexdump_key(MSG_DEBUG, "nl80211: TK",
13400 params->tk, params->tk_len);
13401 }
13402
13403 if (params->ltf_keyseed_len && params->ltf_keyseed) {
13404 u32 sha_type = wpa_ltf_keyseed_len_to_sha_type(
13405 params->ltf_keyseed_len);
13406
13407 if (sha_type == (u32) -1 ||
13408 nla_put_u32(
13409 msg,
13410 QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_SHA_TYPE,
13411 sha_type) ||
13412 nla_put(msg,
13413 QCA_WLAN_VENDOR_ATTR_SECURE_RANGING_CTX_LTF_KEYSEED,
13414 params->ltf_keyseed_len, params->ltf_keyseed))
13415 goto fail;
13416 wpa_hexdump_key(MSG_DEBUG, "nl80211: LTF keyseed",
13417 params->ltf_keyseed, params->ltf_keyseed_len);
13418 }
13419 nla_nest_end(msg, attr);
13420
13421 ret = send_and_recv_cmd(drv, msg);
13422 if (ret)
13423 wpa_printf(MSG_DEBUG,
13424 "nl80211: Set secure ranging context failed: ret=%d (%s)",
13425 ret, strerror(-ret));
13426 return ret;
13427 fail:
13428 nlmsg_free(msg);
13429 return -1;
13430 }
13431
13432 #endif /* CONFIG_PASN */
13433
13434 #endif /* CONFIG_DRIVER_NL80211_QCA */
13435
13436
13437 #ifdef CONFIG_DRIVER_NL80211_BRCM
wpa_driver_do_broadcom_acs(struct wpa_driver_nl80211_data * drv,struct drv_acs_params * params)13438 static int wpa_driver_do_broadcom_acs(struct wpa_driver_nl80211_data *drv,
13439 struct drv_acs_params *params)
13440 {
13441 struct nl_msg *msg;
13442 struct nlattr *data;
13443 int freq_list_len;
13444 int ret = -1;
13445
13446 freq_list_len = int_array_len(params->freq_list);
13447 wpa_printf(MSG_DEBUG, "%s: freq_list_len=%d",
13448 __func__, freq_list_len);
13449
13450 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR);
13451 if (!msg ||
13452 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_BRCM) ||
13453 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
13454 BRCM_VENDOR_SCMD_ACS) ||
13455 !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) ||
13456 nla_put_u8(msg, BRCM_VENDOR_ATTR_ACS_HW_MODE, params->hw_mode) ||
13457 nla_put_u8(msg, BRCM_VENDOR_ATTR_ACS_HT_ENABLED,
13458 params->ht_enabled) ||
13459 nla_put_u8(msg, BRCM_VENDOR_ATTR_ACS_HT40_ENABLED,
13460 params->ht40_enabled) ||
13461 nla_put_u8(msg, BRCM_VENDOR_ATTR_ACS_VHT_ENABLED,
13462 params->vht_enabled) ||
13463 nla_put_u16(msg, BRCM_VENDOR_ATTR_ACS_CHWIDTH, params->ch_width) ||
13464 (freq_list_len > 0 &&
13465 nla_put(msg, BRCM_VENDOR_ATTR_ACS_FREQ_LIST,
13466 sizeof(int) * freq_list_len, params->freq_list)))
13467 goto fail;
13468 nla_nest_end(msg, data);
13469
13470 wpa_printf(MSG_DEBUG,
13471 "nl80211: ACS Params: HW_MODE: %d HT: %d HT40: %d VHT: %d BW: %d",
13472 params->hw_mode, params->ht_enabled, params->ht40_enabled,
13473 params->vht_enabled, params->ch_width);
13474
13475 ret = send_and_recv_cmd(drv, msg);
13476 if (ret) {
13477 wpa_printf(MSG_ERROR,
13478 "nl80211: BRCM Failed to invoke driver ACS function: %s",
13479 strerror(errno));
13480 }
13481
13482 msg = NULL;
13483 fail:
13484 nlmsg_free(msg);
13485 return ret;
13486 }
13487 #endif /* CONFIG_DRIVER_NL80211_BRCM */
13488
13489
nl80211_do_acs(void * priv,struct drv_acs_params * params)13490 static int nl80211_do_acs(void *priv, struct drv_acs_params *params)
13491 {
13492 #if defined(CONFIG_DRIVER_NL80211_QCA) || defined(CONFIG_DRIVER_NL80211_BRCM)
13493 struct i802_bss *bss = priv;
13494 struct wpa_driver_nl80211_data *drv = bss->drv;
13495 #endif /* CONFIG_DRIVER_NL80211_QCA || CONFIG_DRIVER_NL80211_BRCM */
13496
13497 #ifdef CONFIG_DRIVER_NL80211_QCA
13498 if (drv->qca_do_acs)
13499 return nl80211_qca_do_acs(drv, params);
13500 #endif /* CONFIG_DRIVER_NL80211_QCA */
13501
13502 #ifdef CONFIG_DRIVER_NL80211_BRCM
13503 if (drv->brcm_do_acs)
13504 return wpa_driver_do_broadcom_acs(drv, params);
13505 #endif /* CONFIG_DRIVER_NL80211_BRCM */
13506
13507 return -1;
13508 }
13509
13510
nl80211_write_to_file(const char * name,unsigned int val)13511 static int nl80211_write_to_file(const char *name, unsigned int val)
13512 {
13513 int fd, len;
13514 char tmp[128];
13515 int ret = 0;
13516
13517 fd = open(name, O_RDWR);
13518 if (fd < 0) {
13519 int level;
13520 /*
13521 * Flags may not exist on older kernels, or while we're tearing
13522 * down a disappearing device.
13523 */
13524 if (errno == ENOENT) {
13525 ret = 0;
13526 level = MSG_DEBUG;
13527 } else {
13528 ret = -1;
13529 level = MSG_ERROR;
13530 }
13531 wpa_printf(level, "nl80211: Failed to open %s: %s",
13532 name, strerror(errno));
13533 return ret;
13534 }
13535
13536 len = os_snprintf(tmp, sizeof(tmp), "%u\n", val);
13537 len = write(fd, tmp, len);
13538 if (len < 0) {
13539 ret = -1;
13540 wpa_printf(MSG_ERROR, "nl80211: Failed to write to %s: %s",
13541 name, strerror(errno));
13542 }
13543 close(fd);
13544
13545 return ret;
13546 }
13547
13548
nl80211_configure_data_frame_filters(void * priv,u32 filter_flags)13549 static int nl80211_configure_data_frame_filters(void *priv, u32 filter_flags)
13550 {
13551 struct i802_bss *bss = priv;
13552 char path[128];
13553 int ret;
13554
13555 /* P2P-Device has no netdev that can (or should) be configured here */
13556 if (nl80211_get_ifmode(bss) == NL80211_IFTYPE_P2P_DEVICE)
13557 return 0;
13558
13559 wpa_printf(MSG_DEBUG, "nl80211: Data frame filter flags=0x%x",
13560 filter_flags);
13561
13562 /* Configure filtering of unicast frame encrypted using GTK */
13563 ret = os_snprintf(path, sizeof(path),
13564 "/proc/sys/net/ipv4/conf/%s/drop_unicast_in_l2_multicast",
13565 bss->ifname);
13566 if (os_snprintf_error(sizeof(path), ret))
13567 return -1;
13568
13569 ret = nl80211_write_to_file(path,
13570 !!(filter_flags &
13571 WPA_DATA_FRAME_FILTER_FLAG_GTK));
13572 if (ret) {
13573 wpa_printf(MSG_ERROR,
13574 "nl80211: Failed to set IPv4 unicast in multicast filter");
13575 return ret;
13576 }
13577
13578 os_snprintf(path, sizeof(path),
13579 "/proc/sys/net/ipv6/conf/%s/drop_unicast_in_l2_multicast",
13580 bss->ifname);
13581 ret = nl80211_write_to_file(path,
13582 !!(filter_flags &
13583 WPA_DATA_FRAME_FILTER_FLAG_GTK));
13584
13585 if (ret) {
13586 wpa_printf(MSG_ERROR,
13587 "nl80211: Failed to set IPv6 unicast in multicast filter");
13588 return ret;
13589 }
13590
13591 /* Configure filtering of unicast frame encrypted using GTK */
13592 os_snprintf(path, sizeof(path),
13593 "/proc/sys/net/ipv4/conf/%s/drop_gratuitous_arp",
13594 bss->ifname);
13595 ret = nl80211_write_to_file(path,
13596 !!(filter_flags &
13597 WPA_DATA_FRAME_FILTER_FLAG_ARP));
13598 if (ret) {
13599 wpa_printf(MSG_ERROR,
13600 "nl80211: Failed set gratuitous ARP filter");
13601 return ret;
13602 }
13603
13604 /* Configure filtering of IPv6 NA frames */
13605 os_snprintf(path, sizeof(path),
13606 "/proc/sys/net/ipv6/conf/%s/drop_unsolicited_na",
13607 bss->ifname);
13608 ret = nl80211_write_to_file(path,
13609 !!(filter_flags &
13610 WPA_DATA_FRAME_FILTER_FLAG_NA));
13611 if (ret) {
13612 wpa_printf(MSG_ERROR,
13613 "nl80211: Failed to set unsolicited NA filter");
13614 return ret;
13615 }
13616
13617 return 0;
13618 }
13619
13620
nl80211_get_ext_capab(void * priv,enum wpa_driver_if_type type,const u8 ** ext_capa,const u8 ** ext_capa_mask,unsigned int * ext_capa_len)13621 static int nl80211_get_ext_capab(void *priv, enum wpa_driver_if_type type,
13622 const u8 **ext_capa, const u8 **ext_capa_mask,
13623 unsigned int *ext_capa_len)
13624 {
13625 struct i802_bss *bss = priv;
13626 struct wpa_driver_nl80211_data *drv = bss->drv;
13627 enum nl80211_iftype nlmode;
13628 unsigned int i;
13629
13630 if (!ext_capa || !ext_capa_mask || !ext_capa_len)
13631 return -1;
13632
13633 nlmode = wpa_driver_nl80211_if_type(type);
13634
13635 /* By default, use the per-radio values */
13636 *ext_capa = drv->extended_capa;
13637 *ext_capa_mask = drv->extended_capa_mask;
13638 *ext_capa_len = drv->extended_capa_len;
13639
13640 /* Replace the default value if a per-interface type value exists */
13641 for (i = 0; i < drv->num_iface_capa; i++) {
13642 if (nlmode == drv->iface_capa[i].iftype) {
13643 *ext_capa = drv->iface_capa[i].ext_capa;
13644 *ext_capa_mask = drv->iface_capa[i].ext_capa_mask;
13645 *ext_capa_len = drv->iface_capa[i].ext_capa_len;
13646 break;
13647 }
13648 }
13649
13650 return 0;
13651 }
13652
13653
nl80211_get_mld_capab(void * priv,enum wpa_driver_if_type type,u16 * eml_capa,u16 * mld_capa_and_ops)13654 static int nl80211_get_mld_capab(void *priv, enum wpa_driver_if_type type,
13655 u16 *eml_capa, u16 *mld_capa_and_ops)
13656 {
13657 struct i802_bss *bss = priv;
13658 struct wpa_driver_nl80211_data *drv = bss->drv;
13659 enum nl80211_iftype nlmode;
13660 unsigned int i;
13661
13662 if (!eml_capa || !mld_capa_and_ops)
13663 return -1;
13664
13665 nlmode = wpa_driver_nl80211_if_type(type);
13666
13667 /* By default, set to zero */
13668 *eml_capa = 0;
13669 *mld_capa_and_ops = 0;
13670
13671 /* Replace the default value if a per-interface type value exists */
13672 for (i = 0; i < drv->num_iface_capa; i++) {
13673 if (nlmode == drv->iface_capa[i].iftype) {
13674 *eml_capa = drv->iface_capa[i].eml_capa;
13675 *mld_capa_and_ops =
13676 drv->iface_capa[i].mld_capa_and_ops;
13677 break;
13678 }
13679 }
13680
13681 return 0;
13682 }
13683
13684
nl80211_update_connection_params(void * priv,struct wpa_driver_associate_params * params,enum wpa_drv_update_connect_params_mask mask)13685 static int nl80211_update_connection_params(
13686 void *priv, struct wpa_driver_associate_params *params,
13687 enum wpa_drv_update_connect_params_mask mask)
13688 {
13689 struct i802_bss *bss = priv;
13690 struct wpa_driver_nl80211_data *drv = bss->drv;
13691 struct nl_msg *msg;
13692 int ret = -1;
13693 enum nl80211_auth_type type;
13694
13695 /* Update Connection Params is intended for drivers that implement
13696 * internal SME and expect these updated connection params from
13697 * wpa_supplicant. Do not send this request for the drivers using
13698 * SME from wpa_supplicant.
13699 */
13700 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
13701 return 0;
13702
13703 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_CONNECT_PARAMS);
13704 if (!msg)
13705 goto fail;
13706
13707 wpa_printf(MSG_DEBUG, "nl80211: Update connection params (ifindex=%d)",
13708 drv->ifindex);
13709
13710 if ((mask & WPA_DRV_UPDATE_ASSOC_IES) && params->wpa_ie) {
13711 if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len,
13712 params->wpa_ie))
13713 goto fail;
13714 wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie,
13715 params->wpa_ie_len);
13716 }
13717
13718 if (mask & WPA_DRV_UPDATE_AUTH_TYPE) {
13719 type = get_nl_auth_type(params->auth_alg);
13720 if (type == NL80211_AUTHTYPE_MAX ||
13721 nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type))
13722 goto fail;
13723 wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
13724 }
13725
13726 if ((mask & WPA_DRV_UPDATE_FILS_ERP_INFO) &&
13727 nl80211_put_fils_connect_params(drv, params, msg))
13728 goto fail;
13729
13730 ret = send_and_recv_cmd(drv, msg);
13731 msg = NULL;
13732 if (ret)
13733 wpa_dbg(drv->ctx, MSG_DEBUG,
13734 "nl80211: Update connect params command failed: ret=%d (%s)",
13735 ret, strerror(-ret));
13736
13737 fail:
13738 nlmsg_free(msg);
13739 return ret;
13740 }
13741
13742
nl80211_send_external_auth_status(void * priv,struct external_auth * params)13743 static int nl80211_send_external_auth_status(void *priv,
13744 struct external_auth *params)
13745 {
13746 struct i802_bss *bss = priv;
13747 struct wpa_driver_nl80211_data *drv = bss->drv;
13748 struct nl_msg *msg = NULL;
13749 int ret = -1;
13750
13751 /* External auth command/status is intended for drivers that implement
13752 * internal SME but want to offload authentication processing (e.g.,
13753 * SAE) to hostapd/wpa_supplicant. Do not send the status to drivers
13754 * which do not support AP SME or use wpa_supplicant/hostapd SME.
13755 */
13756 if ((is_ap_interface(drv->nlmode) && !bss->drv->device_ap_sme) ||
13757 (drv->capa.flags & WPA_DRIVER_FLAGS_SME))
13758 return -1;
13759
13760 wpa_dbg(drv->ctx, MSG_DEBUG,
13761 "nl80211: External auth status: %u", params->status);
13762
13763 msg = nl80211_drv_msg(drv, 0, NL80211_CMD_EXTERNAL_AUTH);
13764 if (!msg ||
13765 nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, params->status) ||
13766 (params->ssid && params->ssid_len &&
13767 nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) ||
13768 (params->pmkid &&
13769 nla_put(msg, NL80211_ATTR_PMKID, PMKID_LEN, params->pmkid)) ||
13770 (params->bssid &&
13771 nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid)))
13772 goto fail;
13773 ret = send_and_recv_cmd(drv, msg);
13774 msg = NULL;
13775 if (ret) {
13776 wpa_printf(MSG_DEBUG,
13777 "nl80211: External Auth status update failed: ret=%d (%s)",
13778 ret, strerror(-ret));
13779 goto fail;
13780 }
13781 fail:
13782 nlmsg_free(msg);
13783 return ret;
13784 }
13785
13786
nl80211_set_4addr_mode(void * priv,const char * bridge_ifname,int val)13787 static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
13788 int val)
13789 {
13790 struct i802_bss *bss = priv;
13791 struct wpa_driver_nl80211_data *drv = bss->drv;
13792 struct nl_msg *msg;
13793 int ret = -ENOBUFS;
13794
13795 wpa_printf(MSG_DEBUG, "nl80211: %s 4addr mode (bridge_ifname: %s)",
13796 val ? "Enable" : "Disable", bridge_ifname);
13797
13798 msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE);
13799 if (!msg || nla_put_u8(msg, NL80211_ATTR_4ADDR, val))
13800 goto fail;
13801
13802 if (bridge_ifname[0] && bss->added_if_into_bridge && !val) {
13803 if (linux_br_del_if(drv->global->ioctl_sock,
13804 bridge_ifname, bss->ifname)) {
13805 wpa_printf(MSG_ERROR,
13806 "nl80211: Failed to remove interface %s from bridge %s",
13807 bss->ifname, bridge_ifname);
13808 return -1;
13809 }
13810 bss->added_if_into_bridge = 0;
13811 }
13812
13813 ret = send_and_recv_cmd(drv, msg);
13814 msg = NULL;
13815 if (ret && val && nl80211_get_4addr(bss) == 1) {
13816 wpa_printf(MSG_DEBUG,
13817 "nl80211: 4addr mode was already enabled");
13818 ret = 0;
13819 }
13820 if (!ret) {
13821 if (bridge_ifname[0] && val &&
13822 i802_check_bridge(drv, bss, bridge_ifname, bss->ifname) < 0)
13823 return -1;
13824 return 0;
13825 }
13826
13827 fail:
13828 nlmsg_free(msg);
13829 wpa_printf(MSG_ERROR, "nl80211: Failed to enable/disable 4addr");
13830
13831 return ret;
13832 }
13833
13834
13835 #ifdef CONFIG_DPP
nl80211_dpp_listen(void * priv,bool enable)13836 static int nl80211_dpp_listen(void *priv, bool enable)
13837 {
13838 struct i802_bss *bss = priv;
13839 struct wpa_driver_nl80211_data *drv = bss->drv;
13840 u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
13841 struct nl_sock *handle;
13842
13843 if (!drv->multicast_registrations || !bss->nl_mgmt)
13844 return 0; /* cannot do more than hope broadcast RX works */
13845
13846 wpa_printf(MSG_DEBUG,
13847 "nl80211: Update DPP Public Action frame registration (%s multicast RX)",
13848 enable ? "enable" : "disable");
13849 handle = (void *) (((intptr_t) bss->nl_mgmt) ^ ELOOP_SOCKET_INVALID);
13850 return nl80211_register_frame(bss, handle, type,
13851 (u8 *) "\x04\x09\x50\x6f\x9a\x1a", 6,
13852 enable);
13853 }
13854 #endif /* CONFIG_DPP */
13855
13856
nl80211_link_add(void * priv,u8 link_id,const u8 * addr,void * bss_ctx)13857 static int nl80211_link_add(void *priv, u8 link_id, const u8 *addr,
13858 void *bss_ctx)
13859 {
13860 struct i802_bss *bss = priv;
13861 struct wpa_driver_nl80211_data *drv = bss->drv;
13862 struct nl_msg *msg;
13863 int ret;
13864
13865 wpa_printf(MSG_DEBUG, "nl80211: MLD: add link_id=%u, addr=" MACSTR,
13866 link_id, MAC2STR(addr));
13867
13868 if (drv->nlmode != NL80211_IFTYPE_AP) {
13869 wpa_printf(MSG_DEBUG,
13870 "nl80211: MLD: cannot add link to iftype=%u",
13871 drv->nlmode);
13872 return -EINVAL;
13873 }
13874
13875 if (link_id >= MAX_NUM_MLD_LINKS) {
13876 wpa_printf(MSG_DEBUG,
13877 "nl80211: invalid link_id=%u", link_id);
13878 return -EINVAL;
13879 }
13880
13881 if (bss->valid_links & BIT(link_id)) {
13882 wpa_printf(MSG_DEBUG,
13883 "nl80211: MLD: Link %u already set", link_id);
13884 return -EINVAL;
13885 }
13886
13887 if (!bss->valid_links) {
13888 /* Becoming MLD, verify we were not beaconing */
13889 if (bss->flink->beacon_set) {
13890 wpa_printf(MSG_DEBUG, "nl80211: BSS already beaconing");
13891 return -EINVAL;
13892 }
13893 }
13894
13895 msg = nl80211_bss_msg(bss, 0, NL80211_CMD_ADD_LINK);
13896 if (!msg ||
13897 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id) ||
13898 nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
13899 nlmsg_free(msg);
13900 return -ENOBUFS;
13901 }
13902
13903 ret = send_and_recv_cmd(drv, msg);
13904 if (ret) {
13905 wpa_printf(MSG_DEBUG, "nl80211: add link failed. ret=%d (%s)",
13906 ret, strerror(-ret));
13907 return ret;
13908 }
13909
13910 os_memcpy(bss->links[link_id].addr, addr, ETH_ALEN);
13911
13912 /* The new link is the first one, make it the default */
13913 if (!bss->valid_links)
13914 bss->flink = &bss->links[link_id];
13915
13916 bss->valid_links |= BIT(link_id);
13917 bss->links[link_id].ctx = bss_ctx;
13918
13919 wpa_printf(MSG_DEBUG, "nl80211: MLD: valid_links=0x%04x on %s",
13920 bss->valid_links, bss->ifname);
13921 return 0;
13922 }
13923
13924
13925 #ifdef CONFIG_IEEE80211BE
wpa_driver_nl80211_link_sta_remove(void * priv,u8 link_id,const u8 * addr)13926 static int wpa_driver_nl80211_link_sta_remove(void *priv, u8 link_id,
13927 const u8 *addr)
13928 {
13929 struct i802_bss *bss = priv;
13930 struct wpa_driver_nl80211_data *drv = bss->drv;
13931 struct nl_msg *msg;
13932 int ret;
13933
13934 if (!(bss->valid_links & BIT(link_id)))
13935 return -ENOLINK;
13936
13937 if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_REMOVE_LINK_STA)) ||
13938 nla_put(msg, NL80211_ATTR_MLD_ADDR, ETH_ALEN, addr) ||
13939 nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id)) {
13940 nlmsg_free(msg);
13941 return -ENOBUFS;
13942 }
13943
13944 ret = send_and_recv_cmd(drv, msg);
13945 wpa_printf(MSG_DEBUG,
13946 "nl80211: link_sta_remove -> REMOVE_LINK_STA on link_id %u from MLD STA "
13947 MACSTR ", from %s --> %d (%s)",
13948 link_id, MAC2STR(addr), bss->ifname, ret, strerror(-ret));
13949
13950 return ret;
13951 }
13952 #endif /* CONFIG_IEEE80211BE */
13953
13954
13955 #ifdef CONFIG_TESTING_OPTIONS
13956
testing_nl80211_register_frame(void * priv,u16 type,const u8 * match,size_t match_len,bool multicast)13957 static int testing_nl80211_register_frame(void *priv, u16 type,
13958 const u8 *match, size_t match_len,
13959 bool multicast)
13960 {
13961 struct i802_bss *bss = priv;
13962 struct nl_sock *handle;
13963
13964 if (!bss->nl_mgmt)
13965 return -1;
13966 handle = (void *) (((intptr_t) bss->nl_mgmt) ^ ELOOP_SOCKET_INVALID);
13967 return nl80211_register_frame(bss, handle, type, match, match_len,
13968 multicast);
13969 }
13970
13971
testing_nl80211_radio_disable(void * priv,int disabled)13972 static int testing_nl80211_radio_disable(void *priv, int disabled)
13973 {
13974 struct i802_bss *bss = priv;
13975 struct wpa_driver_nl80211_data *drv = bss->drv;
13976
13977 /* For now, this is supported only partially in station mode with
13978 * SME-in-wpa_supplicant case where the NL80211_ATTR_LOCAL_STATE_CHANGE
13979 * attribute can be used to avoid sending out the Deauthentication frame
13980 * to the currently associated AP. */
13981
13982 if (!disabled)
13983 return 0;
13984
13985 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
13986 return -1;
13987
13988 if (!drv->associated)
13989 return 0;
13990
13991 return wpa_driver_nl80211_mlme(drv, drv->bssid,
13992 NL80211_CMD_DEAUTHENTICATE,
13993 WLAN_REASON_PREV_AUTH_NOT_VALID, 1,
13994 drv->first_bss);
13995 }
13996
13997 #endif /* CONFIG_TESTING_OPTIONS */
13998
13999
14000 const struct wpa_driver_ops wpa_driver_nl80211_ops = {
14001 .name = "nl80211",
14002 .desc = "Linux nl80211/cfg80211",
14003 .get_bssid = wpa_driver_nl80211_get_bssid,
14004 .get_ssid = wpa_driver_nl80211_get_ssid,
14005 .set_key = driver_nl80211_set_key,
14006 .scan2 = driver_nl80211_scan2,
14007 .sched_scan = wpa_driver_nl80211_sched_scan,
14008 .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan,
14009 .get_scan_results = wpa_driver_nl80211_get_scan_results,
14010 .abort_scan = wpa_driver_nl80211_abort_scan,
14011 .deauthenticate = driver_nl80211_deauthenticate,
14012 .authenticate = driver_nl80211_authenticate,
14013 .associate = wpa_driver_nl80211_associate,
14014 .global_init = nl80211_global_init,
14015 .global_deinit = nl80211_global_deinit,
14016 .init2 = wpa_driver_nl80211_init,
14017 .deinit = driver_nl80211_deinit,
14018 .get_capa = wpa_driver_nl80211_get_capa,
14019 .set_operstate = wpa_driver_nl80211_set_operstate,
14020 .set_supp_port = wpa_driver_nl80211_set_supp_port,
14021 .set_country = wpa_driver_nl80211_set_country,
14022 .get_country = wpa_driver_nl80211_get_country,
14023 .set_ap = wpa_driver_nl80211_set_ap,
14024 .set_acl = wpa_driver_nl80211_set_acl,
14025 .if_add = wpa_driver_nl80211_if_add,
14026 .if_remove = driver_nl80211_if_remove,
14027 .send_mlme = driver_nl80211_send_mlme,
14028 .get_hw_feature_data = nl80211_get_hw_feature_data,
14029 .sta_add = wpa_driver_nl80211_sta_add,
14030 .sta_remove = driver_nl80211_sta_remove,
14031 .tx_control_port = nl80211_tx_control_port,
14032 .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol,
14033 .sta_set_flags = wpa_driver_nl80211_sta_set_flags,
14034 .sta_set_airtime_weight = driver_nl80211_sta_set_airtime_weight,
14035 .hapd_init = i802_init,
14036 .hapd_deinit = i802_deinit,
14037 .set_wds_sta = i802_set_wds_sta,
14038 .get_seqnum = i802_get_seqnum,
14039 .flush = i802_flush,
14040 .get_inact_sec = i802_get_inact_sec,
14041 .sta_clear_stats = i802_sta_clear_stats,
14042 .set_rts = i802_set_rts,
14043 .set_frag = i802_set_frag,
14044 .set_tx_queue_params = i802_set_tx_queue_params,
14045 .set_sta_vlan = driver_nl80211_set_sta_vlan,
14046 .sta_deauth = i802_sta_deauth,
14047 .sta_disassoc = i802_sta_disassoc,
14048 .read_sta_data = driver_nl80211_read_sta_data,
14049 .set_freq = i802_set_freq,
14050 .send_action = driver_nl80211_send_action,
14051 .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
14052 .remain_on_channel = wpa_driver_nl80211_remain_on_channel,
14053 .cancel_remain_on_channel =
14054 wpa_driver_nl80211_cancel_remain_on_channel,
14055 .probe_req_report = driver_nl80211_probe_req_report,
14056 .deinit_ap = wpa_driver_nl80211_deinit_ap,
14057 .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli,
14058 .resume = wpa_driver_nl80211_resume,
14059 .signal_monitor = nl80211_signal_monitor,
14060 .signal_poll = nl80211_signal_poll,
14061 .mlo_signal_poll = nl80211_mlo_signal_poll,
14062 .channel_info = nl80211_channel_info,
14063 .set_param = nl80211_set_param,
14064 .get_radio_name = nl80211_get_radio_name,
14065 .add_pmkid = nl80211_add_pmkid,
14066 .remove_pmkid = nl80211_remove_pmkid,
14067 .flush_pmkid = nl80211_flush_pmkid,
14068 .set_rekey_info = nl80211_set_rekey_info,
14069 .poll_client = nl80211_poll_client,
14070 .set_p2p_powersave = nl80211_set_p2p_powersave,
14071 .start_dfs_cac = nl80211_start_radar_detection,
14072 .stop_ap = wpa_driver_nl80211_stop_ap,
14073 #ifdef CONFIG_TDLS
14074 .send_tdls_mgmt = nl80211_send_tdls_mgmt,
14075 .tdls_oper = nl80211_tdls_oper,
14076 .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
14077 .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
14078 #endif /* CONFIG_TDLS */
14079 .update_ft_ies = wpa_driver_nl80211_update_ft_ies,
14080 .update_dh_ie = nl80211_update_dh_ie,
14081 .get_mac_addr = wpa_driver_nl80211_get_macaddr,
14082 .get_survey = wpa_driver_nl80211_get_survey,
14083 .status = wpa_driver_nl80211_status,
14084 .switch_channel = nl80211_switch_channel,
14085 #ifdef CONFIG_IEEE80211AX
14086 .switch_color = nl80211_switch_color,
14087 #endif /* CONFIG_IEEE80211AX */
14088 #ifdef ANDROID_P2P
14089 .set_noa = wpa_driver_set_p2p_noa,
14090 .get_noa = wpa_driver_get_p2p_noa,
14091 .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie,
14092 #endif /* ANDROID_P2P */
14093 #ifdef ANDROID
14094 #ifndef ANDROID_LIB_STUB
14095 .driver_cmd = wpa_driver_nl80211_driver_cmd,
14096 #endif /* !ANDROID_LIB_STUB */
14097 #endif /* ANDROID */
14098 .vendor_cmd = nl80211_vendor_cmd,
14099 .set_qos_map = nl80211_set_qos_map,
14100 .get_wowlan = nl80211_get_wowlan,
14101 .set_wowlan = nl80211_set_wowlan,
14102 .set_mac_addr = nl80211_set_mac_addr,
14103 #ifdef CONFIG_MESH
14104 .init_mesh = wpa_driver_nl80211_init_mesh,
14105 .join_mesh = wpa_driver_nl80211_join_mesh,
14106 .leave_mesh = wpa_driver_nl80211_leave_mesh,
14107 .probe_mesh_link = nl80211_probe_mesh_link,
14108 #endif /* CONFIG_MESH */
14109 .br_add_ip_neigh = wpa_driver_br_add_ip_neigh,
14110 .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh,
14111 .br_port_set_attr = wpa_driver_br_port_set_attr,
14112 .br_set_net_param = wpa_driver_br_set_net_param,
14113 .add_tx_ts = nl80211_add_ts,
14114 .del_tx_ts = nl80211_del_ts,
14115 .get_ifindex = nl80211_get_ifindex,
14116 #ifdef CONFIG_DRIVER_NL80211_QCA
14117 .roaming = nl80211_roaming,
14118 .disable_fils = nl80211_disable_fils,
14119 .set_band = nl80211_set_band,
14120 .get_pref_freq_list = nl80211_get_pref_freq_list,
14121 .set_prob_oper_freq = nl80211_set_prob_oper_freq,
14122 .p2p_lo_start = nl80211_p2p_lo_start,
14123 .p2p_lo_stop = nl80211_p2p_lo_stop,
14124 .set_default_scan_ies = nl80211_set_default_scan_ies,
14125 .set_tdls_mode = nl80211_set_tdls_mode,
14126 #ifdef CONFIG_MBO
14127 .get_bss_transition_status = nl80211_get_bss_transition_status,
14128 .ignore_assoc_disallow = nl80211_ignore_assoc_disallow,
14129 #endif /* CONFIG_MBO */
14130 .set_bssid_tmp_disallow = nl80211_set_bssid_tmp_disallow,
14131 .add_sta_node = nl80211_add_sta_node,
14132 #ifdef CONFIG_PASN
14133 .send_pasn_resp = nl80211_send_pasn_resp,
14134 .set_secure_ranging_ctx = nl80211_set_secure_ranging_ctx,
14135 #endif /* CONFIG_PASN */
14136 #endif /* CONFIG_DRIVER_NL80211_QCA */
14137 .do_acs = nl80211_do_acs,
14138 .configure_data_frame_filters = nl80211_configure_data_frame_filters,
14139 .get_ext_capab = nl80211_get_ext_capab,
14140 .get_mld_capab = nl80211_get_mld_capab,
14141 .update_connect_params = nl80211_update_connection_params,
14142 .send_external_auth_status = nl80211_send_external_auth_status,
14143 .set_4addr_mode = nl80211_set_4addr_mode,
14144 #ifdef CONFIG_DPP
14145 .dpp_listen = nl80211_dpp_listen,
14146 #endif /* CONFIG_DPP */
14147 .get_sta_mlo_info = nl80211_get_sta_mlo_info,
14148 .link_add = nl80211_link_add,
14149 #ifdef CONFIG_IEEE80211BE
14150 .link_remove = driver_nl80211_link_remove,
14151 .is_drv_shared = nl80211_is_drv_shared,
14152 .link_sta_remove = wpa_driver_nl80211_link_sta_remove,
14153 #endif /* CONFIG_IEEE80211BE */
14154 #ifdef CONFIG_TESTING_OPTIONS
14155 .register_frame = testing_nl80211_register_frame,
14156 .radio_disable = testing_nl80211_radio_disable,
14157 #endif /* CONFIG_TESTING_OPTIONS */
14158 };
14159