1 /*
2 * hostapd / Driver interaction with Atheros driver
3 * Copyright (c) 2004, Sam Leffler <sam@errno.com>
4 * Copyright (c) 2004, Video54 Technologies
5 * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
6 * Copyright (c) 2009, Atheros Communications
7 *
8 * This software may be distributed under the terms of the BSD license.
9 * See README for more details.
10 */
11
12 #include "includes.h"
13 #include <net/if.h>
14 #include <sys/ioctl.h>
15
16 #include "common.h"
17 #include "eloop.h"
18 #include "common/ieee802_11_defs.h"
19 #include "l2_packet/l2_packet.h"
20 #include "p2p/p2p.h"
21
22 #include "common.h"
23 #ifndef _BYTE_ORDER
24 #ifdef WORDS_BIGENDIAN
25 #define _BYTE_ORDER _BIG_ENDIAN
26 #else
27 #define _BYTE_ORDER _LITTLE_ENDIAN
28 #endif
29 #endif /* _BYTE_ORDER */
30
31 /*
32 * Note, the ATH_WPS_IE setting must match with the driver build.. If the
33 * driver does not include this, the IEEE80211_IOCTL_GETWPAIE ioctl will fail.
34 */
35 #define ATH_WPS_IE
36
37 #include "ieee80211_external.h"
38
39 /* Avoid conflicting definition from the driver header files with
40 * common/wpa_common.h */
41 #undef WPA_OUI_TYPE
42
43
44 #ifdef CONFIG_WPS
45 #include <netpacket/packet.h>
46 #endif /* CONFIG_WPS */
47
48 #ifndef ETH_P_80211_RAW
49 #define ETH_P_80211_RAW 0x0019
50 #endif
51
52 #include "linux_wext.h"
53
54 #include "driver.h"
55 #include "eloop.h"
56 #include "priv_netlink.h"
57 #include "l2_packet/l2_packet.h"
58 #include "common/ieee802_11_defs.h"
59 #include "netlink.h"
60 #include "linux_ioctl.h"
61
62 #if defined(CONFIG_IEEE80211W) || defined(CONFIG_IEEE80211R) || defined(CONFIG_HS20) || defined(CONFIG_WNM) || defined(CONFIG_WPS) || defined(CONFIG_FILS)
63 #define ATHEROS_USE_RAW_RECEIVE
64 #endif
65
66
67 struct atheros_driver_data {
68 struct hostapd_data *hapd; /* back pointer */
69
70 char iface[IFNAMSIZ + 1];
71 int ifindex;
72 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
73 struct l2_packet_data *sock_recv; /* raw packet recv socket */
74 int ioctl_sock; /* socket for ioctl() use */
75 struct netlink_data *netlink;
76 int we_version;
77 int fils_en; /* FILS enable/disable in driver */
78 u8 acct_mac[ETH_ALEN];
79 struct hostap_sta_driver_data acct_data;
80
81 struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
82 struct wpabuf *wpa_ie;
83 struct wpabuf *wps_beacon_ie;
84 struct wpabuf *wps_probe_resp_ie;
85 u8 own_addr[ETH_ALEN];
86 };
87
88 static int atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
89 u16 reason_code);
90 static int atheros_set_privacy(void *priv, int enabled);
91
athr_get_ioctl_name(int op)92 static const char * athr_get_ioctl_name(int op)
93 {
94 switch (op) {
95 case IEEE80211_IOCTL_SETPARAM:
96 return "SETPARAM";
97 case IEEE80211_IOCTL_GETPARAM:
98 return "GETPARAM";
99 case IEEE80211_IOCTL_SETKEY:
100 return "SETKEY";
101 case IEEE80211_IOCTL_SETWMMPARAMS:
102 return "SETWMMPARAMS";
103 case IEEE80211_IOCTL_DELKEY:
104 return "DELKEY";
105 case IEEE80211_IOCTL_GETWMMPARAMS:
106 return "GETWMMPARAMS";
107 case IEEE80211_IOCTL_SETMLME:
108 return "SETMLME";
109 case IEEE80211_IOCTL_GETCHANINFO:
110 return "GETCHANINFO";
111 case IEEE80211_IOCTL_SETOPTIE:
112 return "SETOPTIE";
113 case IEEE80211_IOCTL_GETOPTIE:
114 return "GETOPTIE";
115 case IEEE80211_IOCTL_ADDMAC:
116 return "ADDMAC";
117 case IEEE80211_IOCTL_DELMAC:
118 return "DELMAC";
119 case IEEE80211_IOCTL_GETCHANLIST:
120 return "GETCHANLIST";
121 case IEEE80211_IOCTL_SETCHANLIST:
122 return "SETCHANLIST";
123 case IEEE80211_IOCTL_KICKMAC:
124 return "KICKMAC";
125 case IEEE80211_IOCTL_CHANSWITCH:
126 return "CHANSWITCH";
127 case IEEE80211_IOCTL_GETMODE:
128 return "GETMODE";
129 case IEEE80211_IOCTL_SETMODE:
130 return "SETMODE";
131 case IEEE80211_IOCTL_GET_APPIEBUF:
132 return "GET_APPIEBUF";
133 case IEEE80211_IOCTL_SET_APPIEBUF:
134 return "SET_APPIEBUF";
135 case IEEE80211_IOCTL_SET_ACPARAMS:
136 return "SET_ACPARAMS";
137 case IEEE80211_IOCTL_FILTERFRAME:
138 return "FILTERFRAME";
139 case IEEE80211_IOCTL_SET_RTPARAMS:
140 return "SET_RTPARAMS";
141 case IEEE80211_IOCTL_SET_MEDENYENTRY:
142 return "SET_MEDENYENTRY";
143 case IEEE80211_IOCTL_GET_MACADDR:
144 return "GET_MACADDR";
145 case IEEE80211_IOCTL_SET_HBRPARAMS:
146 return "SET_HBRPARAMS";
147 case IEEE80211_IOCTL_SET_RXTIMEOUT:
148 return "SET_RXTIMEOUT";
149 case IEEE80211_IOCTL_STA_STATS:
150 return "STA_STATS";
151 case IEEE80211_IOCTL_GETWPAIE:
152 return "GETWPAIE";
153 default:
154 return "??";
155 }
156 }
157
158
athr_get_param_name(int op)159 static const char * athr_get_param_name(int op)
160 {
161 switch (op) {
162 case IEEE80211_IOC_MCASTCIPHER:
163 return "MCASTCIPHER";
164 case IEEE80211_PARAM_MCASTKEYLEN:
165 return "MCASTKEYLEN";
166 case IEEE80211_PARAM_UCASTCIPHERS:
167 return "UCASTCIPHERS";
168 case IEEE80211_PARAM_KEYMGTALGS:
169 return "KEYMGTALGS";
170 case IEEE80211_PARAM_RSNCAPS:
171 return "RSNCAPS";
172 case IEEE80211_PARAM_WPA:
173 return "WPA";
174 case IEEE80211_PARAM_AUTHMODE:
175 return "AUTHMODE";
176 case IEEE80211_PARAM_PRIVACY:
177 return "PRIVACY";
178 case IEEE80211_PARAM_COUNTERMEASURES:
179 return "COUNTERMEASURES";
180 default:
181 return "??";
182 }
183 }
184
185
186 #ifdef CONFIG_FILS
187 static int
get80211param(struct atheros_driver_data * drv,int op,int * data)188 get80211param(struct atheros_driver_data *drv, int op, int *data)
189 {
190 struct iwreq iwr;
191
192 os_memset(&iwr, 0, sizeof(iwr));
193 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
194 iwr.u.mode = op;
195
196 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_GETPARAM, &iwr) < 0)
197 return -1;
198
199 *data = iwr.u.mode;
200 return 0;
201 }
202 #endif /* CONFIG_FILS */
203
204
205 static int
set80211priv(struct atheros_driver_data * drv,int op,void * data,int len)206 set80211priv(struct atheros_driver_data *drv, int op, void *data, int len)
207 {
208 struct iwreq iwr;
209 int do_inline = len < IFNAMSIZ;
210
211 /* Certain ioctls must use the non-inlined method */
212 if (op == IEEE80211_IOCTL_SET_APPIEBUF ||
213 op == IEEE80211_IOCTL_FILTERFRAME)
214 do_inline = 0;
215
216 os_memset(&iwr, 0, sizeof(iwr));
217 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
218 if (do_inline) {
219 /*
220 * Argument data fits inline; put it there.
221 */
222 os_memcpy(iwr.u.name, data, len);
223 } else {
224 /*
225 * Argument data too big for inline transfer; setup a
226 * parameter block instead; the kernel will transfer
227 * the data for the driver.
228 */
229 iwr.u.data.pointer = data;
230 iwr.u.data.length = len;
231 }
232
233 if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
234 wpa_printf(MSG_DEBUG, "atheros: %s: %s: ioctl op=0x%x "
235 "(%s) len=%d failed: %d (%s)",
236 __func__, drv->iface, op,
237 athr_get_ioctl_name(op),
238 len, errno, strerror(errno));
239 return -1;
240 }
241 return 0;
242 }
243
244 static int
set80211param(struct atheros_driver_data * drv,int op,int arg)245 set80211param(struct atheros_driver_data *drv, int op, int arg)
246 {
247 struct iwreq iwr;
248
249 os_memset(&iwr, 0, sizeof(iwr));
250 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
251 iwr.u.mode = op;
252 os_memcpy(iwr.u.name + sizeof(__u32), &arg, sizeof(arg));
253
254 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
255 wpa_printf(MSG_INFO,
256 "%s: %s: Failed to set parameter (op %d (%s) arg %d): ioctl[IEEE80211_IOCTL_SETPARAM]: %s",
257 __func__, drv->iface, op, athr_get_param_name(op),
258 arg, strerror(errno));
259 return -1;
260 }
261 return 0;
262 }
263
264 #ifndef CONFIG_NO_STDOUT_DEBUG
265 static const char *
ether_sprintf(const u8 * addr)266 ether_sprintf(const u8 *addr)
267 {
268 static char buf[sizeof(MACSTR)];
269
270 if (addr != NULL)
271 os_snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
272 else
273 os_snprintf(buf, sizeof(buf), MACSTR, 0, 0, 0, 0, 0, 0);
274 return buf;
275 }
276 #endif /* CONFIG_NO_STDOUT_DEBUG */
277
278 /*
279 * Configure WPA parameters.
280 */
281 static int
atheros_configure_wpa(struct atheros_driver_data * drv,struct wpa_bss_params * params)282 atheros_configure_wpa(struct atheros_driver_data *drv,
283 struct wpa_bss_params *params)
284 {
285 int v;
286
287 switch (params->wpa_group) {
288 case WPA_CIPHER_CCMP:
289 v = IEEE80211_CIPHER_AES_CCM;
290 break;
291 #ifdef ATH_GCM_SUPPORT
292 case WPA_CIPHER_CCMP_256:
293 v = IEEE80211_CIPHER_AES_CCM_256;
294 break;
295 case WPA_CIPHER_GCMP:
296 v = IEEE80211_CIPHER_AES_GCM;
297 break;
298 case WPA_CIPHER_GCMP_256:
299 v = IEEE80211_CIPHER_AES_GCM_256;
300 break;
301 #endif /* ATH_GCM_SUPPORT */
302 case WPA_CIPHER_TKIP:
303 v = IEEE80211_CIPHER_TKIP;
304 break;
305 case WPA_CIPHER_WEP104:
306 v = IEEE80211_CIPHER_WEP;
307 break;
308 case WPA_CIPHER_WEP40:
309 v = IEEE80211_CIPHER_WEP;
310 break;
311 case WPA_CIPHER_NONE:
312 v = IEEE80211_CIPHER_NONE;
313 break;
314 default:
315 wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
316 params->wpa_group);
317 return -1;
318 }
319 wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
320 if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
321 wpa_printf(MSG_INFO, "Unable to set group key cipher to %u", v);
322 return -1;
323 }
324 if (v == IEEE80211_CIPHER_WEP) {
325 /* key length is done only for specific ciphers */
326 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
327 if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
328 wpa_printf(MSG_INFO,
329 "Unable to set group key length to %u", v);
330 return -1;
331 }
332 }
333
334 v = 0;
335 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
336 v |= 1<<IEEE80211_CIPHER_AES_CCM;
337 #ifdef ATH_GCM_SUPPORT
338 if (params->wpa_pairwise & WPA_CIPHER_CCMP_256)
339 v |= 1<<IEEE80211_CIPHER_AES_CCM_256;
340 if (params->wpa_pairwise & WPA_CIPHER_GCMP)
341 v |= 1<<IEEE80211_CIPHER_AES_GCM;
342 if (params->wpa_pairwise & WPA_CIPHER_GCMP_256)
343 v |= 1<<IEEE80211_CIPHER_AES_GCM_256;
344 #endif /* ATH_GCM_SUPPORT */
345 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
346 v |= 1<<IEEE80211_CIPHER_TKIP;
347 if (params->wpa_pairwise & WPA_CIPHER_NONE)
348 v |= 1<<IEEE80211_CIPHER_NONE;
349 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
350 if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
351 wpa_printf(MSG_INFO,
352 "Unable to set pairwise key ciphers to 0x%x", v);
353 return -1;
354 }
355
356 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
357 __func__, params->wpa_key_mgmt);
358 if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
359 params->wpa_key_mgmt)) {
360 wpa_printf(MSG_INFO,
361 "Unable to set key management algorithms to 0x%x",
362 params->wpa_key_mgmt);
363 return -1;
364 }
365
366 v = 0;
367 if (params->rsn_preauth)
368 v |= BIT(0);
369 #ifdef CONFIG_IEEE80211W
370 if (params->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
371 v |= BIT(7);
372 if (params->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED)
373 v |= BIT(6);
374 }
375 #endif /* CONFIG_IEEE80211W */
376
377 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", __func__, v);
378 if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
379 wpa_printf(MSG_INFO, "Unable to set RSN capabilities to 0x%x",
380 v);
381 return -1;
382 }
383
384 wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
385 if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
386 wpa_printf(MSG_INFO, "Unable to set WPA to %u", params->wpa);
387 return -1;
388 }
389 return 0;
390 }
391
392 static int
atheros_set_ieee8021x(void * priv,struct wpa_bss_params * params)393 atheros_set_ieee8021x(void *priv, struct wpa_bss_params *params)
394 {
395 struct atheros_driver_data *drv = priv;
396
397 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
398
399 if (!params->enabled) {
400 /* XXX restore state */
401 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
402 IEEE80211_AUTH_AUTO) < 0)
403 return -1;
404 /* IEEE80211_AUTH_AUTO ends up enabling Privacy; clear that */
405 return atheros_set_privacy(drv, 0);
406 }
407 if (!params->wpa && !params->ieee802_1x) {
408 wpa_printf(MSG_WARNING, "No 802.1X or WPA enabled!");
409 return -1;
410 }
411 if (params->wpa && atheros_configure_wpa(drv, params) != 0) {
412 wpa_printf(MSG_WARNING, "Error configuring WPA state!");
413 return -1;
414 }
415 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
416 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
417 wpa_printf(MSG_WARNING, "Error enabling WPA/802.1X!");
418 return -1;
419 }
420
421 return 0;
422 }
423
424 static int
atheros_set_privacy(void * priv,int enabled)425 atheros_set_privacy(void *priv, int enabled)
426 {
427 struct atheros_driver_data *drv = priv;
428
429 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
430
431 return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
432 }
433
434 static int
atheros_set_sta_authorized(void * priv,const u8 * addr,int authorized)435 atheros_set_sta_authorized(void *priv, const u8 *addr, int authorized)
436 {
437 struct atheros_driver_data *drv = priv;
438 struct ieee80211req_mlme mlme;
439 int ret;
440
441 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
442 __func__, ether_sprintf(addr), authorized);
443
444 if (authorized)
445 mlme.im_op = IEEE80211_MLME_AUTHORIZE;
446 else
447 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
448 mlme.im_reason = 0;
449 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
450 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
451 if (ret < 0) {
452 wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
453 __func__, authorized ? "" : "un", MAC2STR(addr));
454 }
455
456 return ret;
457 }
458
459 static int
atheros_sta_set_flags(void * priv,const u8 * addr,unsigned int total_flags,unsigned int flags_or,unsigned int flags_and)460 atheros_sta_set_flags(void *priv, const u8 *addr,
461 unsigned int total_flags, unsigned int flags_or,
462 unsigned int flags_and)
463 {
464 /* For now, only support setting Authorized flag */
465 if (flags_or & WPA_STA_AUTHORIZED)
466 return atheros_set_sta_authorized(priv, addr, 1);
467 if (!(flags_and & WPA_STA_AUTHORIZED))
468 return atheros_set_sta_authorized(priv, addr, 0);
469 return 0;
470 }
471
472 static int
atheros_del_key(void * priv,const u8 * addr,int key_idx)473 atheros_del_key(void *priv, const u8 *addr, int key_idx)
474 {
475 struct atheros_driver_data *drv = priv;
476 struct ieee80211req_del_key wk;
477 int ret;
478
479 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
480 __func__, ether_sprintf(addr), key_idx);
481
482 os_memset(&wk, 0, sizeof(wk));
483 if (addr != NULL) {
484 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
485 wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
486 } else {
487 wk.idk_keyix = key_idx;
488 }
489
490 ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
491 if (ret < 0) {
492 wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
493 " key_idx %d)", __func__, ether_sprintf(addr),
494 key_idx);
495 }
496
497 return ret;
498 }
499
500 static int
atheros_set_key(const char * ifname,void * priv,enum wpa_alg alg,const u8 * addr,int key_idx,int set_tx,const u8 * seq,size_t seq_len,const u8 * key,size_t key_len)501 atheros_set_key(const char *ifname, void *priv, enum wpa_alg alg,
502 const u8 *addr, int key_idx, int set_tx, const u8 *seq,
503 size_t seq_len, const u8 *key, size_t key_len)
504 {
505 struct atheros_driver_data *drv = priv;
506 struct ieee80211req_key wk;
507 u_int8_t cipher;
508 int ret;
509
510 if (alg == WPA_ALG_NONE)
511 return atheros_del_key(drv, addr, key_idx);
512
513 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
514 __func__, alg, ether_sprintf(addr), key_idx);
515
516 switch (alg) {
517 case WPA_ALG_WEP:
518 cipher = IEEE80211_CIPHER_WEP;
519 break;
520 case WPA_ALG_TKIP:
521 cipher = IEEE80211_CIPHER_TKIP;
522 break;
523 case WPA_ALG_CCMP:
524 cipher = IEEE80211_CIPHER_AES_CCM;
525 break;
526 #ifdef ATH_GCM_SUPPORT
527 case WPA_ALG_CCMP_256:
528 cipher = IEEE80211_CIPHER_AES_CCM_256;
529 break;
530 case WPA_ALG_GCMP:
531 cipher = IEEE80211_CIPHER_AES_GCM;
532 break;
533 case WPA_ALG_GCMP_256:
534 cipher = IEEE80211_CIPHER_AES_GCM_256;
535 break;
536 #endif /* ATH_GCM_SUPPORT */
537 #ifdef CONFIG_IEEE80211W
538 case WPA_ALG_IGTK:
539 cipher = IEEE80211_CIPHER_AES_CMAC;
540 break;
541 #ifdef ATH_GCM_SUPPORT
542 case WPA_ALG_BIP_CMAC_256:
543 cipher = IEEE80211_CIPHER_AES_CMAC_256;
544 break;
545 case WPA_ALG_BIP_GMAC_128:
546 cipher = IEEE80211_CIPHER_AES_GMAC;
547 break;
548 case WPA_ALG_BIP_GMAC_256:
549 cipher = IEEE80211_CIPHER_AES_GMAC_256;
550 break;
551 #endif /* ATH_GCM_SUPPORT */
552 #endif /* CONFIG_IEEE80211W */
553 default:
554 wpa_printf(MSG_INFO, "%s: unknown/unsupported algorithm %d",
555 __func__, alg);
556 return -1;
557 }
558
559 if (key_len > sizeof(wk.ik_keydata)) {
560 wpa_printf(MSG_INFO, "%s: key length %lu too big", __func__,
561 (unsigned long) key_len);
562 return -3;
563 }
564
565 os_memset(&wk, 0, sizeof(wk));
566 wk.ik_type = cipher;
567 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
568 if (addr == NULL || is_broadcast_ether_addr(addr)) {
569 os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
570 wk.ik_keyix = key_idx;
571 if (set_tx)
572 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
573 } else {
574 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
575 wk.ik_keyix = IEEE80211_KEYIX_NONE;
576 }
577 wk.ik_keylen = key_len;
578 os_memcpy(wk.ik_keydata, key, key_len);
579
580 ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
581 if (ret < 0) {
582 wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
583 " key_idx %d alg %d key_len %lu set_tx %d)",
584 __func__, ether_sprintf(wk.ik_macaddr), key_idx,
585 alg, (unsigned long) key_len, set_tx);
586 }
587
588 return ret;
589 }
590
591
592 static int
atheros_get_seqnum(const char * ifname,void * priv,const u8 * addr,int idx,u8 * seq)593 atheros_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
594 u8 *seq)
595 {
596 struct atheros_driver_data *drv = priv;
597 struct ieee80211req_key wk;
598
599 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
600 __func__, ether_sprintf(addr), idx);
601
602 os_memset(&wk, 0, sizeof(wk));
603 if (addr == NULL)
604 os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
605 else
606 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
607 wk.ik_keyix = idx;
608
609 if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
610 wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
611 "(addr " MACSTR " key_idx %d)",
612 __func__, MAC2STR(wk.ik_macaddr), idx);
613 return -1;
614 }
615
616 #ifdef WORDS_BIGENDIAN
617 {
618 /*
619 * wk.ik_keytsc is in host byte order (big endian), need to
620 * swap it to match with the byte order used in WPA.
621 */
622 int i;
623 #ifndef WPA_KEY_RSC_LEN
624 #define WPA_KEY_RSC_LEN 8
625 #endif
626 u8 tmp[WPA_KEY_RSC_LEN];
627 os_memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
628 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
629 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
630 }
631 }
632 #else /* WORDS_BIGENDIAN */
633 os_memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
634 #endif /* WORDS_BIGENDIAN */
635 return 0;
636 }
637
638
639 static int
atheros_flush(void * priv)640 atheros_flush(void *priv)
641 {
642 u8 allsta[IEEE80211_ADDR_LEN];
643 os_memset(allsta, 0xff, IEEE80211_ADDR_LEN);
644 return atheros_sta_deauth(priv, NULL, allsta,
645 IEEE80211_REASON_AUTH_LEAVE);
646 }
647
648
649 static int
atheros_read_sta_driver_data(void * priv,struct hostap_sta_driver_data * data,const u8 * addr)650 atheros_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
651 const u8 *addr)
652 {
653 struct atheros_driver_data *drv = priv;
654 struct ieee80211req_sta_stats stats;
655
656 os_memset(data, 0, sizeof(*data));
657
658 /*
659 * Fetch statistics for station from the system.
660 */
661 os_memset(&stats, 0, sizeof(stats));
662 os_memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
663 if (set80211priv(drv, IEEE80211_IOCTL_STA_STATS,
664 &stats, sizeof(stats))) {
665 wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
666 MACSTR ")", __func__, MAC2STR(addr));
667 if (os_memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
668 os_memcpy(data, &drv->acct_data, sizeof(*data));
669 return 0;
670 }
671
672 wpa_printf(MSG_INFO,
673 "Failed to get station stats information element");
674 return -1;
675 }
676
677 data->rx_packets = stats.is_stats.ns_rx_data;
678 data->rx_bytes = stats.is_stats.ns_rx_bytes;
679 data->tx_packets = stats.is_stats.ns_tx_data;
680 data->tx_bytes = stats.is_stats.ns_tx_bytes;
681 return 0;
682 }
683
684
685 static int
atheros_sta_clear_stats(void * priv,const u8 * addr)686 atheros_sta_clear_stats(void *priv, const u8 *addr)
687 {
688 struct atheros_driver_data *drv = priv;
689 struct ieee80211req_mlme mlme;
690 int ret;
691
692 wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
693
694 mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
695 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
696 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
697 sizeof(mlme));
698 if (ret < 0) {
699 wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
700 MACSTR ")", __func__, MAC2STR(addr));
701 }
702
703 return ret;
704 }
705
706
707 static int
atheros_set_opt_ie(void * priv,const u8 * ie,size_t ie_len)708 atheros_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
709 {
710 struct atheros_driver_data *drv = priv;
711 u8 buf[512];
712 struct ieee80211req_getset_appiebuf *app_ie;
713
714 wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
715 (unsigned long) ie_len);
716 wpa_hexdump(MSG_DEBUG, "atheros: set_generic_elem", ie, ie_len);
717
718 wpabuf_free(drv->wpa_ie);
719 if (ie)
720 drv->wpa_ie = wpabuf_alloc_copy(ie, ie_len);
721 else
722 drv->wpa_ie = NULL;
723
724 app_ie = (struct ieee80211req_getset_appiebuf *) buf;
725 if (ie)
726 os_memcpy(&(app_ie->app_buf[0]), ie, ie_len);
727 app_ie->app_buflen = ie_len;
728
729 app_ie->app_frmtype = IEEE80211_APPIE_FRAME_BEACON;
730
731 /* append WPS IE for Beacon */
732 if (drv->wps_beacon_ie != NULL) {
733 os_memcpy(&(app_ie->app_buf[ie_len]),
734 wpabuf_head(drv->wps_beacon_ie),
735 wpabuf_len(drv->wps_beacon_ie));
736 app_ie->app_buflen = ie_len + wpabuf_len(drv->wps_beacon_ie);
737 }
738 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(Beacon)",
739 app_ie->app_buf, app_ie->app_buflen);
740 set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
741 sizeof(struct ieee80211req_getset_appiebuf) +
742 app_ie->app_buflen);
743
744 /* append WPS IE for Probe Response */
745 app_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_RESP;
746 if (drv->wps_probe_resp_ie != NULL) {
747 os_memcpy(&(app_ie->app_buf[ie_len]),
748 wpabuf_head(drv->wps_probe_resp_ie),
749 wpabuf_len(drv->wps_probe_resp_ie));
750 app_ie->app_buflen = ie_len +
751 wpabuf_len(drv->wps_probe_resp_ie);
752 } else
753 app_ie->app_buflen = ie_len;
754 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF(ProbeResp)",
755 app_ie->app_buf, app_ie->app_buflen);
756 set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, app_ie,
757 sizeof(struct ieee80211req_getset_appiebuf) +
758 app_ie->app_buflen);
759 return 0;
760 }
761
762 static int
atheros_sta_deauth(void * priv,const u8 * own_addr,const u8 * addr,u16 reason_code)763 atheros_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
764 u16 reason_code)
765 {
766 struct atheros_driver_data *drv = priv;
767 struct ieee80211req_mlme mlme;
768 int ret;
769
770 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
771 __func__, ether_sprintf(addr), reason_code);
772
773 mlme.im_op = IEEE80211_MLME_DEAUTH;
774 mlme.im_reason = reason_code;
775 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
776 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
777 if (ret < 0) {
778 wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
779 " reason %d)",
780 __func__, MAC2STR(addr), reason_code);
781 }
782
783 return ret;
784 }
785
786 static int
atheros_sta_disassoc(void * priv,const u8 * own_addr,const u8 * addr,u16 reason_code)787 atheros_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
788 u16 reason_code)
789 {
790 struct atheros_driver_data *drv = priv;
791 struct ieee80211req_mlme mlme;
792 int ret;
793
794 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
795 __func__, ether_sprintf(addr), reason_code);
796
797 mlme.im_op = IEEE80211_MLME_DISASSOC;
798 mlme.im_reason = reason_code;
799 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
800 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
801 if (ret < 0) {
802 wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
803 MACSTR " reason %d)",
804 __func__, MAC2STR(addr), reason_code);
805 }
806
807 return ret;
808 }
809
atheros_set_qos_map(void * ctx,const u8 * qos_map_set,u8 qos_map_set_len)810 static int atheros_set_qos_map(void *ctx, const u8 *qos_map_set,
811 u8 qos_map_set_len)
812 {
813 #ifdef CONFIG_ATHEROS_QOS_MAP
814 struct atheros_driver_data *drv = ctx;
815 struct ieee80211req_athdbg req;
816 struct ieee80211_qos_map *qos_map = &req.data.qos_map;
817 struct iwreq iwr;
818 int i, up_start;
819
820 if (qos_map_set_len < 16 || qos_map_set_len > 58 ||
821 qos_map_set_len & 1) {
822 wpa_printf(MSG_ERROR, "Invalid QoS Map");
823 return -1;
824 } else {
825 os_memset(&req, 0, sizeof(struct ieee80211req_athdbg));
826 req.cmd = IEEE80211_DBGREQ_SETQOSMAPCONF;
827 os_memset(&iwr, 0, sizeof(iwr));
828 os_strlcpy(iwr.ifr_name, drv->iface, sizeof(iwr.ifr_name));
829 iwr.u.data.pointer = (void *) &req;
830 iwr.u.data.length = sizeof(struct ieee80211req_athdbg);
831 }
832
833 qos_map->valid = 1;
834 qos_map->num_dscp_except = (qos_map_set_len - 16) / 2;
835 if (qos_map->num_dscp_except) {
836 for (i = 0; i < qos_map->num_dscp_except; i++) {
837 qos_map->dscp_exception[i].dscp = qos_map_set[i * 2];
838 qos_map->dscp_exception[i].up = qos_map_set[i * 2 + 1];
839 }
840 }
841
842 up_start = qos_map_set_len - 16;
843 for (i = 0; i < IEEE80211_MAX_QOS_UP_RANGE; i++) {
844 qos_map->up[i].low = qos_map_set[up_start + (i * 2)];
845 qos_map->up[i].high = qos_map_set[up_start + (i * 2) + 1];
846 }
847
848 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_DBGREQ, &iwr) < 0) {
849 wpa_printf(MSG_ERROR,
850 "%s: %s: Failed to set QoS Map: ioctl[IEEE80211_IOCTL_DBGREQ]: %s",
851 __func__, drv->iface, strerror(errno));
852 return -1;
853 }
854 #endif /* CONFIG_ATHEROS_QOS_MAP */
855
856 return 0;
857 }
858
859 #ifdef ATHEROS_USE_RAW_RECEIVE
atheros_raw_receive(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)860 static void atheros_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
861 size_t len)
862 {
863 struct atheros_driver_data *drv = ctx;
864 const struct ieee80211_mgmt *mgmt;
865 union wpa_event_data event;
866 u16 fc, stype;
867 int ielen;
868 const u8 *iebuf;
869
870 if (len < IEEE80211_HDRLEN)
871 return;
872
873 mgmt = (const struct ieee80211_mgmt *) buf;
874
875 fc = le_to_host16(mgmt->frame_control);
876
877 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT)
878 return;
879
880 stype = WLAN_FC_GET_STYPE(fc);
881
882 wpa_printf(MSG_DEBUG, "%s: subtype 0x%x len %d", __func__, stype,
883 (int) len);
884
885 if (stype == WLAN_FC_STYPE_PROBE_REQ) {
886 if (len < IEEE80211_HDRLEN)
887 return;
888
889 os_memset(&event, 0, sizeof(event));
890 event.rx_probe_req.sa = mgmt->sa;
891 event.rx_probe_req.da = mgmt->da;
892 event.rx_probe_req.bssid = mgmt->bssid;
893 event.rx_probe_req.ie = buf + IEEE80211_HDRLEN;
894 event.rx_probe_req.ie_len = len - IEEE80211_HDRLEN;
895 wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event);
896 return;
897 }
898
899 if (stype == WLAN_FC_STYPE_ACTION &&
900 (os_memcmp(drv->own_addr, mgmt->bssid, ETH_ALEN) == 0 ||
901 is_broadcast_ether_addr(mgmt->bssid))) {
902 os_memset(&event, 0, sizeof(event));
903 event.rx_mgmt.frame = buf;
904 event.rx_mgmt.frame_len = len;
905 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
906 return;
907 }
908
909 if (os_memcmp(drv->own_addr, mgmt->bssid, ETH_ALEN) != 0) {
910 wpa_printf(MSG_DEBUG, "%s: BSSID does not match - ignore",
911 __func__);
912 return;
913 }
914
915 switch (stype) {
916 case WLAN_FC_STYPE_ASSOC_REQ:
917 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req))
918 break;
919 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req));
920 iebuf = mgmt->u.assoc_req.variable;
921 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 0);
922 break;
923 case WLAN_FC_STYPE_REASSOC_REQ:
924 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req))
925 break;
926 ielen = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req));
927 iebuf = mgmt->u.reassoc_req.variable;
928 drv_event_assoc(drv->hapd, mgmt->sa, iebuf, ielen, 1);
929 break;
930 case WLAN_FC_STYPE_AUTH:
931 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth))
932 break;
933 os_memset(&event, 0, sizeof(event));
934 if (le_to_host16(mgmt->u.auth.auth_alg) == WLAN_AUTH_SAE) {
935 event.rx_mgmt.frame = buf;
936 event.rx_mgmt.frame_len = len;
937 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
938 break;
939 }
940 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
941 os_memcpy(event.auth.bssid, mgmt->bssid, ETH_ALEN);
942 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
943 event.auth.status_code =
944 le_to_host16(mgmt->u.auth.status_code);
945 event.auth.auth_transaction =
946 le_to_host16(mgmt->u.auth.auth_transaction);
947 event.auth.ies = mgmt->u.auth.variable;
948 event.auth.ies_len = len - IEEE80211_HDRLEN -
949 sizeof(mgmt->u.auth);
950 wpa_supplicant_event(drv->hapd, EVENT_AUTH, &event);
951 break;
952 default:
953 break;
954 }
955 }
956 #endif /* ATHEROS_USE_RAW_RECEIVE */
957
atheros_receive_pkt(struct atheros_driver_data * drv)958 static int atheros_receive_pkt(struct atheros_driver_data *drv)
959 {
960 int ret = 0;
961 struct ieee80211req_set_filter filt;
962
963 wpa_printf(MSG_DEBUG, "%s Enter", __func__);
964 filt.app_filterype = 0;
965 #ifdef CONFIG_WPS
966 filt.app_filterype |= IEEE80211_FILTER_TYPE_PROBE_REQ;
967 #endif /* CONFIG_WPS */
968 #if defined(CONFIG_IEEE80211W) || defined(CONFIG_IEEE80211R) || defined(CONFIG_FILS)
969 filt.app_filterype |= (IEEE80211_FILTER_TYPE_ASSOC_REQ |
970 IEEE80211_FILTER_TYPE_AUTH |
971 IEEE80211_FILTER_TYPE_ACTION);
972 #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W || CONFIG_FILS */
973 #ifdef CONFIG_WNM
974 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION;
975 #endif /* CONFIG_WNM */
976 #ifdef CONFIG_HS20
977 filt.app_filterype |= IEEE80211_FILTER_TYPE_ACTION;
978 #endif /* CONFIG_HS20 */
979 if (filt.app_filterype) {
980 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
981 sizeof(struct ieee80211req_set_filter));
982 if (ret)
983 return ret;
984 }
985
986 #if defined(CONFIG_WPS) || defined(CONFIG_IEEE80211R) || defined(CONFIG_FILS)
987 drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
988 atheros_raw_receive, drv, 1);
989 if (drv->sock_raw == NULL)
990 return -1;
991 #endif /* CONFIG_WPS || CONFIG_IEEE80211R || CONFIG_FILS */
992 return ret;
993 }
994
atheros_reset_appfilter(struct atheros_driver_data * drv)995 static int atheros_reset_appfilter(struct atheros_driver_data *drv)
996 {
997 struct ieee80211req_set_filter filt;
998 filt.app_filterype = 0;
999 return set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
1000 sizeof(struct ieee80211req_set_filter));
1001 }
1002
1003 #ifdef CONFIG_WPS
1004 static int
atheros_set_wps_ie(void * priv,const u8 * ie,size_t len,u32 frametype)1005 atheros_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
1006 {
1007 struct atheros_driver_data *drv = priv;
1008 u8 buf[512];
1009 struct ieee80211req_getset_appiebuf *beac_ie;
1010
1011 wpa_printf(MSG_DEBUG, "%s buflen = %lu frametype=%u", __func__,
1012 (unsigned long) len, frametype);
1013 wpa_hexdump(MSG_DEBUG, "atheros: IE", ie, len);
1014
1015 beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
1016 beac_ie->app_frmtype = frametype;
1017 beac_ie->app_buflen = len;
1018 if (ie)
1019 os_memcpy(&(beac_ie->app_buf[0]), ie, len);
1020
1021 /* append the WPA/RSN IE if it is set already */
1022 if (((frametype == IEEE80211_APPIE_FRAME_BEACON) ||
1023 (frametype == IEEE80211_APPIE_FRAME_PROBE_RESP)) &&
1024 (drv->wpa_ie != NULL)) {
1025 wpa_hexdump_buf(MSG_DEBUG, "atheros: Append WPA/RSN IE",
1026 drv->wpa_ie);
1027 os_memcpy(&(beac_ie->app_buf[len]), wpabuf_head(drv->wpa_ie),
1028 wpabuf_len(drv->wpa_ie));
1029 beac_ie->app_buflen += wpabuf_len(drv->wpa_ie);
1030 }
1031
1032 wpa_hexdump(MSG_DEBUG, "atheros: SET_APPIEBUF",
1033 beac_ie->app_buf, beac_ie->app_buflen);
1034 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
1035 sizeof(struct ieee80211req_getset_appiebuf) +
1036 beac_ie->app_buflen);
1037 }
1038
1039 static int
atheros_set_ap_wps_ie(void * priv,const struct wpabuf * beacon,const struct wpabuf * proberesp,const struct wpabuf * assocresp)1040 atheros_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
1041 const struct wpabuf *proberesp,
1042 const struct wpabuf *assocresp)
1043 {
1044 struct atheros_driver_data *drv = priv;
1045
1046 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - beacon", beacon);
1047 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - proberesp",
1048 proberesp);
1049 wpa_hexdump_buf(MSG_DEBUG, "atheros: set_ap_wps_ie - assocresp",
1050 assocresp);
1051 wpabuf_free(drv->wps_beacon_ie);
1052 drv->wps_beacon_ie = beacon ? wpabuf_dup(beacon) : NULL;
1053 wpabuf_free(drv->wps_probe_resp_ie);
1054 drv->wps_probe_resp_ie = proberesp ? wpabuf_dup(proberesp) : NULL;
1055
1056 atheros_set_wps_ie(priv, assocresp ? wpabuf_head(assocresp) : NULL,
1057 assocresp ? wpabuf_len(assocresp) : 0,
1058 IEEE80211_APPIE_FRAME_ASSOC_RESP);
1059 if (atheros_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL,
1060 beacon ? wpabuf_len(beacon) : 0,
1061 IEEE80211_APPIE_FRAME_BEACON))
1062 return -1;
1063 return atheros_set_wps_ie(priv,
1064 proberesp ? wpabuf_head(proberesp) : NULL,
1065 proberesp ? wpabuf_len(proberesp): 0,
1066 IEEE80211_APPIE_FRAME_PROBE_RESP);
1067 }
1068 #else /* CONFIG_WPS */
1069 #define atheros_set_ap_wps_ie NULL
1070 #endif /* CONFIG_WPS */
1071
1072 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) || defined(CONFIG_FILS)
1073 static int
atheros_sta_auth(void * priv,struct wpa_driver_sta_auth_params * params)1074 atheros_sta_auth(void *priv, struct wpa_driver_sta_auth_params *params)
1075 {
1076 struct atheros_driver_data *drv = priv;
1077 struct ieee80211req_mlme mlme;
1078 int ret;
1079
1080 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d",
1081 __func__, ether_sprintf(params->addr), params->status);
1082
1083 #ifdef CONFIG_FILS
1084 /* Copy FILS AAD parameters if the driver supports FILS */
1085 if (params->fils_auth && drv->fils_en) {
1086 wpa_printf(MSG_DEBUG, "%s: im_op IEEE80211_MLME_AUTH_FILS",
1087 __func__);
1088 os_memcpy(mlme.fils_aad.ANonce, params->fils_anonce,
1089 IEEE80211_FILS_NONCE_LEN);
1090 os_memcpy(mlme.fils_aad.SNonce, params->fils_snonce,
1091 IEEE80211_FILS_NONCE_LEN);
1092 os_memcpy(mlme.fils_aad.kek, params->fils_kek,
1093 IEEE80211_MAX_WPA_KEK_LEN);
1094 mlme.fils_aad.kek_len = params->fils_kek_len;
1095 mlme.im_op = IEEE80211_MLME_AUTH_FILS;
1096 wpa_hexdump(MSG_DEBUG, "FILS: ANonce",
1097 mlme.fils_aad.ANonce, FILS_NONCE_LEN);
1098 wpa_hexdump(MSG_DEBUG, "FILS: SNonce",
1099 mlme.fils_aad.SNonce, FILS_NONCE_LEN);
1100 wpa_hexdump_key(MSG_DEBUG, "FILS: KEK",
1101 mlme.fils_aad.kek, mlme.fils_aad.kek_len);
1102 } else {
1103 mlme.im_op = IEEE80211_MLME_AUTH;
1104 }
1105 #else /* CONFIG_FILS */
1106 mlme.im_op = IEEE80211_MLME_AUTH;
1107 #endif /* CONFIG_FILS */
1108
1109 mlme.im_reason = params->status;
1110 mlme.im_seq = params->seq;
1111 os_memcpy(mlme.im_macaddr, params->addr, IEEE80211_ADDR_LEN);
1112 mlme.im_optie_len = params->len;
1113 if (params->len) {
1114 if (params->len < IEEE80211_MAX_OPT_IE) {
1115 os_memcpy(mlme.im_optie, params->ie, params->len);
1116 } else {
1117 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy "
1118 "opt_ie STA (addr " MACSTR " reason %d, "
1119 "ie_len %d)",
1120 __func__, MAC2STR(params->addr),
1121 params->status, (int) params->len);
1122 return -1;
1123 }
1124 }
1125 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
1126 if (ret < 0) {
1127 wpa_printf(MSG_DEBUG, "%s: Failed to auth STA (addr " MACSTR
1128 " reason %d)",
1129 __func__, MAC2STR(params->addr), params->status);
1130 }
1131 return ret;
1132 }
1133
1134 static int
atheros_sta_assoc(void * priv,const u8 * own_addr,const u8 * addr,int reassoc,u16 status_code,const u8 * ie,size_t len)1135 atheros_sta_assoc(void *priv, const u8 *own_addr, const u8 *addr,
1136 int reassoc, u16 status_code, const u8 *ie, size_t len)
1137 {
1138 struct atheros_driver_data *drv = priv;
1139 struct ieee80211req_mlme mlme;
1140 int ret;
1141
1142 wpa_printf(MSG_DEBUG, "%s: addr=%s status_code=%d reassoc %d",
1143 __func__, ether_sprintf(addr), status_code, reassoc);
1144
1145 if (reassoc)
1146 mlme.im_op = IEEE80211_MLME_REASSOC;
1147 else
1148 mlme.im_op = IEEE80211_MLME_ASSOC;
1149 mlme.im_reason = status_code;
1150 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1151 mlme.im_optie_len = len;
1152 if (len) {
1153 if (len < IEEE80211_MAX_OPT_IE) {
1154 os_memcpy(mlme.im_optie, ie, len);
1155 } else {
1156 wpa_printf(MSG_DEBUG, "%s: Not enough space to copy "
1157 "opt_ie STA (addr " MACSTR " reason %d, "
1158 "ie_len %d)",
1159 __func__, MAC2STR(addr), status_code,
1160 (int) len);
1161 return -1;
1162 }
1163 }
1164 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
1165 if (ret < 0) {
1166 wpa_printf(MSG_DEBUG, "%s: Failed to assoc STA (addr " MACSTR
1167 " reason %d)",
1168 __func__, MAC2STR(addr), status_code);
1169 }
1170 return ret;
1171 }
1172 #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W || CONFIG_FILS */
1173
1174 static void
atheros_new_sta(struct atheros_driver_data * drv,u8 addr[IEEE80211_ADDR_LEN])1175 atheros_new_sta(struct atheros_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
1176 {
1177 struct hostapd_data *hapd = drv->hapd;
1178 struct ieee80211req_wpaie ie;
1179 int ielen = 0;
1180 u8 *iebuf = NULL;
1181
1182 /*
1183 * Fetch negotiated WPA/RSN parameters from the system.
1184 */
1185 os_memset(&ie, 0, sizeof(ie));
1186 os_memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
1187 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
1188 /*
1189 * See ATH_WPS_IE comment in the beginning of the file for a
1190 * possible cause for the failure..
1191 */
1192 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s",
1193 __func__, strerror(errno));
1194 goto no_ie;
1195 }
1196 wpa_hexdump(MSG_MSGDUMP, "atheros req WPA IE",
1197 ie.wpa_ie, IEEE80211_MAX_OPT_IE);
1198 wpa_hexdump(MSG_MSGDUMP, "atheros req RSN IE",
1199 ie.rsn_ie, IEEE80211_MAX_OPT_IE);
1200 #ifdef ATH_WPS_IE
1201 wpa_hexdump(MSG_MSGDUMP, "atheros req WPS IE",
1202 ie.wps_ie, IEEE80211_MAX_OPT_IE);
1203 #endif /* ATH_WPS_IE */
1204 iebuf = ie.wpa_ie;
1205 /* atheros seems to return some random data if WPA/RSN IE is not set.
1206 * Assume the IE was not included if the IE type is unknown. */
1207 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
1208 iebuf[1] = 0;
1209 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
1210 /* atheros-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
1211 * set. This is needed for WPA2. */
1212 iebuf = ie.rsn_ie;
1213 if (iebuf[0] != WLAN_EID_RSN)
1214 iebuf[1] = 0;
1215 }
1216
1217 ielen = iebuf[1];
1218
1219 #ifdef ATH_WPS_IE
1220 /* if WPS IE is present, preference is given to WPS */
1221 if (ie.wps_ie[0] == WLAN_EID_VENDOR_SPECIFIC && ie.wps_ie[1] > 0) {
1222 iebuf = ie.wps_ie;
1223 ielen = ie.wps_ie[1];
1224 }
1225 #endif /* ATH_WPS_IE */
1226
1227 if (ielen == 0)
1228 iebuf = NULL;
1229 else
1230 ielen += 2;
1231
1232 no_ie:
1233 drv_event_assoc(hapd, addr, iebuf, ielen, 0);
1234
1235 if (os_memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
1236 /* Cached accounting data is not valid anymore. */
1237 os_memset(drv->acct_mac, 0, ETH_ALEN);
1238 os_memset(&drv->acct_data, 0, sizeof(drv->acct_data));
1239 }
1240 }
1241
1242 static void
atheros_wireless_event_wireless_custom(struct atheros_driver_data * drv,char * custom,char * end)1243 atheros_wireless_event_wireless_custom(struct atheros_driver_data *drv,
1244 char *custom, char *end)
1245 {
1246 #define MGMT_FRAM_TAG_SIZE 30 /* hardcoded in driver */
1247 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
1248
1249 if (os_strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
1250 char *pos;
1251 u8 addr[ETH_ALEN];
1252 pos = os_strstr(custom, "addr=");
1253 if (pos == NULL) {
1254 wpa_printf(MSG_DEBUG,
1255 "MLME-MICHAELMICFAILURE.indication "
1256 "without sender address ignored");
1257 return;
1258 }
1259 pos += 5;
1260 if (hwaddr_aton(pos, addr) == 0) {
1261 union wpa_event_data data;
1262 os_memset(&data, 0, sizeof(data));
1263 data.michael_mic_failure.unicast = 1;
1264 data.michael_mic_failure.src = addr;
1265 wpa_supplicant_event(drv->hapd,
1266 EVENT_MICHAEL_MIC_FAILURE, &data);
1267 } else {
1268 wpa_printf(MSG_DEBUG,
1269 "MLME-MICHAELMICFAILURE.indication "
1270 "with invalid MAC address");
1271 }
1272 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
1273 char *key, *value;
1274 u32 val;
1275 key = custom;
1276 while ((key = os_strchr(key, '\n')) != NULL) {
1277 key++;
1278 value = os_strchr(key, '=');
1279 if (value == NULL)
1280 continue;
1281 *value++ = '\0';
1282 val = strtoul(value, NULL, 10);
1283 if (os_strcmp(key, "mac") == 0)
1284 hwaddr_aton(value, drv->acct_mac);
1285 else if (os_strcmp(key, "rx_packets") == 0)
1286 drv->acct_data.rx_packets = val;
1287 else if (os_strcmp(key, "tx_packets") == 0)
1288 drv->acct_data.tx_packets = val;
1289 else if (os_strcmp(key, "rx_bytes") == 0)
1290 drv->acct_data.rx_bytes = val;
1291 else if (os_strcmp(key, "tx_bytes") == 0)
1292 drv->acct_data.tx_bytes = val;
1293 key = value;
1294 }
1295 #ifdef CONFIG_WPS
1296 } else if (os_strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) {
1297 /* Some atheros kernels send push button as a wireless event */
1298 /* PROBLEM! this event is received for ALL BSSs ...
1299 * so all are enabled for WPS... ugh.
1300 */
1301 wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL);
1302 } else if (os_strncmp(custom, "Manage.prob_req ", 16) == 0) {
1303 /*
1304 * Atheros driver uses a hack to pass Probe Request frames as a
1305 * binary data in the custom wireless event. The old way (using
1306 * packet sniffing) didn't work when bridging.
1307 * Format: "Manage.prob_req <frame len>" | zero padding | frame
1308 */
1309 int len = atoi(custom + 16);
1310 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) {
1311 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req event "
1312 "length %d", len);
1313 return;
1314 }
1315 atheros_raw_receive(drv, NULL,
1316 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1317 #endif /* CONFIG_WPS */
1318 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) || defined(CONFIG_FILS)
1319 } else if (os_strncmp(custom, "Manage.assoc_req ", 17) == 0) {
1320 /* Format: "Manage.assoc_req <frame len>" | zero padding |
1321 * frame */
1322 int len = atoi(custom + 17);
1323 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) {
1324 wpa_printf(MSG_DEBUG,
1325 "Invalid Manage.assoc_req event length %d",
1326 len);
1327 return;
1328 }
1329 atheros_raw_receive(drv, NULL,
1330 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1331 } else if (os_strncmp(custom, "Manage.auth ", 12) == 0) {
1332 /* Format: "Manage.auth <frame len>" | zero padding | frame */
1333 int len = atoi(custom + 12);
1334 if (len < 0 ||
1335 MGMT_FRAM_TAG_SIZE + len > end - custom) {
1336 wpa_printf(MSG_DEBUG,
1337 "Invalid Manage.auth event length %d", len);
1338 return;
1339 }
1340 atheros_raw_receive(drv, NULL,
1341 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1342 #endif /* CONFIG_IEEE80211W || CONFIG_IEEE80211R || CONFIG_FILS */
1343 #ifdef ATHEROS_USE_RAW_RECEIVE
1344 } else if (os_strncmp(custom, "Manage.action ", 14) == 0) {
1345 /* Format: "Manage.assoc_req <frame len>" | zero padding | frame
1346 */
1347 int len = atoi(custom + 14);
1348 if (len < 0 || MGMT_FRAM_TAG_SIZE + len > end - custom) {
1349 wpa_printf(MSG_DEBUG,
1350 "Invalid Manage.action event length %d",
1351 len);
1352 return;
1353 }
1354 atheros_raw_receive(drv, NULL,
1355 (u8 *) custom + MGMT_FRAM_TAG_SIZE, len);
1356 #endif /* ATHEROS_USE_RAW_RECEIVE */
1357 }
1358 }
1359
1360
send_action_cb_event(struct atheros_driver_data * drv,char * data,size_t data_len)1361 static void send_action_cb_event(struct atheros_driver_data *drv,
1362 char *data, size_t data_len)
1363 {
1364 union wpa_event_data event;
1365 struct ieee80211_send_action_cb *sa;
1366 const struct ieee80211_hdr *hdr;
1367 u16 fc;
1368
1369 if (data_len < sizeof(*sa) + 24) {
1370 wpa_printf(MSG_DEBUG,
1371 "athr: Too short event message (data_len=%d sizeof(*sa)=%d)",
1372 (int) data_len, (int) sizeof(*sa));
1373 wpa_hexdump(MSG_DEBUG, "athr: Short event message",
1374 data, data_len);
1375 return;
1376 }
1377
1378 sa = (struct ieee80211_send_action_cb *) data;
1379
1380 hdr = (const struct ieee80211_hdr *) (sa + 1);
1381 fc = le_to_host16(hdr->frame_control);
1382
1383 os_memset(&event, 0, sizeof(event));
1384 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
1385 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
1386 event.tx_status.dst = sa->dst_addr;
1387 event.tx_status.data = (const u8 *) hdr;
1388 event.tx_status.data_len = data_len - sizeof(*sa);
1389 event.tx_status.ack = sa->ack;
1390 wpa_supplicant_event(drv->hapd, EVENT_TX_STATUS, &event);
1391 }
1392
1393
1394 /*
1395 * Handle size of data problem. WEXT only allows data of 256 bytes for custom
1396 * events, and p2p data can be much bigger. So the athr driver sends a small
1397 * event telling me to collect the big data with an ioctl.
1398 * On the first event, send all pending events to supplicant.
1399 */
fetch_pending_big_events(struct atheros_driver_data * drv)1400 static void fetch_pending_big_events(struct atheros_driver_data *drv)
1401 {
1402 union wpa_event_data event;
1403 const struct ieee80211_mgmt *mgmt;
1404 u8 tbuf[IW_PRIV_SIZE_MASK]; /* max size is 2047 bytes */
1405 u16 fc, stype;
1406 struct iwreq iwr;
1407 size_t data_len;
1408 u32 freq, frame_type;
1409
1410 while (1) {
1411 os_memset(&iwr, 0, sizeof(iwr));
1412 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1413
1414 iwr.u.data.pointer = (void *) tbuf;
1415 iwr.u.data.length = sizeof(tbuf);
1416 iwr.u.data.flags = IEEE80211_IOC_P2P_FETCH_FRAME;
1417
1418 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr)
1419 < 0) {
1420 if (errno == ENOSPC) {
1421 wpa_printf(MSG_DEBUG, "%s:%d exit",
1422 __func__, __LINE__);
1423 return;
1424 }
1425 wpa_printf(MSG_DEBUG, "athr: %s: P2P_BIG_PARAM["
1426 "P2P_FETCH_FRAME] failed: %s",
1427 __func__, strerror(errno));
1428 return;
1429 }
1430 data_len = iwr.u.data.length;
1431 wpa_hexdump(MSG_DEBUG, "athr: P2P_FETCH_FRAME data",
1432 (u8 *) tbuf, data_len);
1433 if (data_len < sizeof(freq) + sizeof(frame_type) + 24) {
1434 wpa_printf(MSG_DEBUG, "athr: frame too short");
1435 continue;
1436 }
1437 os_memcpy(&freq, tbuf, sizeof(freq));
1438 os_memcpy(&frame_type, &tbuf[sizeof(freq)],
1439 sizeof(frame_type));
1440 mgmt = (void *) &tbuf[sizeof(freq) + sizeof(frame_type)];
1441 data_len -= sizeof(freq) + sizeof(frame_type);
1442
1443 if (frame_type == IEEE80211_EV_RX_MGMT) {
1444 fc = le_to_host16(mgmt->frame_control);
1445 stype = WLAN_FC_GET_STYPE(fc);
1446
1447 wpa_printf(MSG_DEBUG, "athr: EV_RX_MGMT stype=%u "
1448 "freq=%u len=%u", stype, freq, (int) data_len);
1449
1450 if (stype == WLAN_FC_STYPE_ACTION) {
1451 os_memset(&event, 0, sizeof(event));
1452 event.rx_mgmt.frame = (const u8 *) mgmt;
1453 event.rx_mgmt.frame_len = data_len;
1454 wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT,
1455 &event);
1456 continue;
1457 }
1458 } else if (frame_type == IEEE80211_EV_P2P_SEND_ACTION_CB) {
1459 wpa_printf(MSG_DEBUG,
1460 "%s: ACTION_CB frame_type=%u len=%zu",
1461 __func__, frame_type, data_len);
1462 send_action_cb_event(drv, (void *) mgmt, data_len);
1463 } else {
1464 wpa_printf(MSG_DEBUG, "athr: %s unknown type %d",
1465 __func__, frame_type);
1466 continue;
1467 }
1468 }
1469 }
1470
1471 static void
atheros_wireless_event_atheros_custom(struct atheros_driver_data * drv,int opcode,char * buf,int len)1472 atheros_wireless_event_atheros_custom(struct atheros_driver_data *drv,
1473 int opcode, char *buf, int len)
1474 {
1475 switch (opcode) {
1476 case IEEE80211_EV_P2P_SEND_ACTION_CB:
1477 wpa_printf(MSG_DEBUG, "WEXT: EV_P2P_SEND_ACTION_CB");
1478 fetch_pending_big_events(drv);
1479 break;
1480 case IEEE80211_EV_RX_MGMT:
1481 wpa_printf(MSG_DEBUG, "WEXT: EV_RX_MGMT");
1482 fetch_pending_big_events(drv);
1483 break;
1484 default:
1485 break;
1486 }
1487 }
1488
1489 static void
atheros_wireless_event_wireless(struct atheros_driver_data * drv,char * data,unsigned int len)1490 atheros_wireless_event_wireless(struct atheros_driver_data *drv,
1491 char *data, unsigned int len)
1492 {
1493 struct iw_event iwe_buf, *iwe = &iwe_buf;
1494 char *pos, *end, *custom, *buf;
1495
1496 pos = data;
1497 end = data + len;
1498
1499 while ((size_t) (end - pos) >= IW_EV_LCP_LEN) {
1500 /* Event data may be unaligned, so make a local, aligned copy
1501 * before processing. */
1502 os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
1503 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
1504 iwe->cmd, iwe->len);
1505 if (iwe->len <= IW_EV_LCP_LEN || iwe->len > end - pos)
1506 return;
1507
1508 custom = pos + IW_EV_POINT_LEN;
1509 if (drv->we_version > 18 &&
1510 (iwe->cmd == IWEVMICHAELMICFAILURE ||
1511 iwe->cmd == IWEVASSOCREQIE ||
1512 iwe->cmd == IWEVCUSTOM)) {
1513 /* WE-19 removed the pointer from struct iw_point */
1514 char *dpos = (char *) &iwe_buf.u.data.length;
1515 int dlen = dpos - (char *) &iwe_buf;
1516 os_memcpy(dpos, pos + IW_EV_LCP_LEN,
1517 sizeof(struct iw_event) - dlen);
1518 } else {
1519 os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
1520 custom += IW_EV_POINT_OFF;
1521 }
1522
1523 switch (iwe->cmd) {
1524 case IWEVEXPIRED:
1525 drv_event_disassoc(drv->hapd,
1526 (u8 *) iwe->u.addr.sa_data);
1527 break;
1528 case IWEVREGISTERED:
1529 atheros_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
1530 break;
1531 case IWEVASSOCREQIE:
1532 /* Driver hack.. Use IWEVASSOCREQIE to bypass
1533 * IWEVCUSTOM size limitations. Need to handle this
1534 * just like IWEVCUSTOM.
1535 */
1536 case IWEVCUSTOM:
1537 if (iwe->u.data.length > end - custom)
1538 return;
1539 buf = os_malloc(iwe->u.data.length + 1);
1540 if (buf == NULL)
1541 return; /* XXX */
1542 os_memcpy(buf, custom, iwe->u.data.length);
1543 buf[iwe->u.data.length] = '\0';
1544
1545 if (iwe->u.data.flags != 0) {
1546 atheros_wireless_event_atheros_custom(
1547 drv, (int) iwe->u.data.flags,
1548 buf, len);
1549 } else {
1550 atheros_wireless_event_wireless_custom(
1551 drv, buf, buf + iwe->u.data.length);
1552 }
1553 os_free(buf);
1554 break;
1555 }
1556
1557 pos += iwe->len;
1558 }
1559 }
1560
1561
1562 static void
atheros_wireless_event_rtm_newlink(void * ctx,struct ifinfomsg * ifi,u8 * buf,size_t len)1563 atheros_wireless_event_rtm_newlink(void *ctx,
1564 struct ifinfomsg *ifi, u8 *buf, size_t len)
1565 {
1566 struct atheros_driver_data *drv = ctx;
1567 int attrlen, rta_len;
1568 struct rtattr *attr;
1569
1570 if (ifi->ifi_index != drv->ifindex)
1571 return;
1572
1573 attrlen = len;
1574 attr = (struct rtattr *) buf;
1575
1576 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1577 while (RTA_OK(attr, attrlen)) {
1578 if (attr->rta_type == IFLA_WIRELESS) {
1579 atheros_wireless_event_wireless(
1580 drv, ((char *) attr) + rta_len,
1581 attr->rta_len - rta_len);
1582 }
1583 attr = RTA_NEXT(attr, attrlen);
1584 }
1585 }
1586
1587
1588 static int
atheros_get_we_version(struct atheros_driver_data * drv)1589 atheros_get_we_version(struct atheros_driver_data *drv)
1590 {
1591 struct iw_range *range;
1592 struct iwreq iwr;
1593 int minlen;
1594 size_t buflen;
1595
1596 drv->we_version = 0;
1597
1598 /*
1599 * Use larger buffer than struct iw_range in order to allow the
1600 * structure to grow in the future.
1601 */
1602 buflen = sizeof(struct iw_range) + 500;
1603 range = os_zalloc(buflen);
1604 if (range == NULL)
1605 return -1;
1606
1607 os_memset(&iwr, 0, sizeof(iwr));
1608 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1609 iwr.u.data.pointer = (caddr_t) range;
1610 iwr.u.data.length = buflen;
1611
1612 minlen = ((char *) &range->enc_capa) - (char *) range +
1613 sizeof(range->enc_capa);
1614
1615 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1616 wpa_printf(MSG_ERROR, "ioctl[SIOCGIWRANGE]: %s",
1617 strerror(errno));
1618 os_free(range);
1619 return -1;
1620 } else if (iwr.u.data.length >= minlen &&
1621 range->we_version_compiled >= 18) {
1622 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1623 "WE(source)=%d enc_capa=0x%x",
1624 range->we_version_compiled,
1625 range->we_version_source,
1626 range->enc_capa);
1627 drv->we_version = range->we_version_compiled;
1628 }
1629
1630 os_free(range);
1631 return 0;
1632 }
1633
1634
1635 static int
atheros_wireless_event_init(struct atheros_driver_data * drv)1636 atheros_wireless_event_init(struct atheros_driver_data *drv)
1637 {
1638 struct netlink_config *cfg;
1639
1640 atheros_get_we_version(drv);
1641
1642 cfg = os_zalloc(sizeof(*cfg));
1643 if (cfg == NULL)
1644 return -1;
1645 cfg->ctx = drv;
1646 cfg->newlink_cb = atheros_wireless_event_rtm_newlink;
1647 drv->netlink = netlink_init(cfg);
1648 if (drv->netlink == NULL) {
1649 os_free(cfg);
1650 return -1;
1651 }
1652
1653 return 0;
1654 }
1655
1656
1657 static int
atheros_send_eapol(void * priv,const u8 * addr,const u8 * data,size_t data_len,int encrypt,const u8 * own_addr,u32 flags)1658 atheros_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
1659 int encrypt, const u8 *own_addr, u32 flags)
1660 {
1661 struct atheros_driver_data *drv = priv;
1662 unsigned char buf[3000];
1663 unsigned char *bp = buf;
1664 struct l2_ethhdr *eth;
1665 size_t len;
1666 int status;
1667
1668 /*
1669 * Prepend the Ethernet header. If the caller left us
1670 * space at the front we could just insert it but since
1671 * we don't know we copy to a local buffer. Given the frequency
1672 * and size of frames this probably doesn't matter.
1673 */
1674 len = data_len + sizeof(struct l2_ethhdr);
1675 if (len > sizeof(buf)) {
1676 bp = os_malloc(len);
1677 if (bp == NULL) {
1678 wpa_printf(MSG_INFO,
1679 "EAPOL frame discarded, cannot malloc temp buffer of size %lu!",
1680 (unsigned long) len);
1681 return -1;
1682 }
1683 }
1684 eth = (struct l2_ethhdr *) bp;
1685 os_memcpy(eth->h_dest, addr, ETH_ALEN);
1686 os_memcpy(eth->h_source, own_addr, ETH_ALEN);
1687 eth->h_proto = host_to_be16(ETH_P_EAPOL);
1688 os_memcpy(eth + 1, data, data_len);
1689
1690 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
1691
1692 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
1693
1694 if (bp != buf)
1695 os_free(bp);
1696 return status;
1697 }
1698
1699 static void
handle_read(void * ctx,const u8 * src_addr,const u8 * buf,size_t len)1700 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1701 {
1702 struct atheros_driver_data *drv = ctx;
1703 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
1704 len - sizeof(struct l2_ethhdr));
1705 }
1706
1707
atheros_read_fils_cap(struct atheros_driver_data * drv)1708 static void atheros_read_fils_cap(struct atheros_driver_data *drv)
1709 {
1710 int fils = 0;
1711
1712 #ifdef CONFIG_FILS
1713 /* TODO: Would be better to have #ifdef on the IEEE80211_PARAM_* value
1714 * to automatically check this against the driver header files. */
1715 if (get80211param(drv, IEEE80211_PARAM_ENABLE_FILS, &fils) < 0) {
1716 wpa_printf(MSG_DEBUG,
1717 "%s: Failed to get FILS capability from driver",
1718 __func__);
1719 /* Assume driver does not support FILS */
1720 fils = 0;
1721 }
1722 #endif /* CONFIG_FILS */
1723 drv->fils_en = fils;
1724 wpa_printf(MSG_DEBUG, "atheros: fils_en=%d", drv->fils_en);
1725 }
1726
1727
1728 static void *
atheros_init(struct hostapd_data * hapd,struct wpa_init_params * params)1729 atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params)
1730 {
1731 struct atheros_driver_data *drv;
1732 struct ifreq ifr;
1733 struct iwreq iwr;
1734 char brname[IFNAMSIZ];
1735
1736 drv = os_zalloc(sizeof(struct atheros_driver_data));
1737 if (drv == NULL) {
1738 wpa_printf(MSG_INFO,
1739 "Could not allocate memory for atheros driver data");
1740 return NULL;
1741 }
1742
1743 drv->hapd = hapd;
1744 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1745 if (drv->ioctl_sock < 0) {
1746 wpa_printf(MSG_ERROR, "socket[PF_INET,SOCK_DGRAM]: %s",
1747 strerror(errno));
1748 goto bad;
1749 }
1750 os_memcpy(drv->iface, params->ifname, sizeof(drv->iface));
1751
1752 os_memset(&ifr, 0, sizeof(ifr));
1753 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
1754 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
1755 wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s",
1756 strerror(errno));
1757 goto bad;
1758 }
1759 drv->ifindex = ifr.ifr_ifindex;
1760
1761 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
1762 handle_read, drv, 1);
1763 if (drv->sock_xmit == NULL)
1764 goto bad;
1765 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
1766 goto bad;
1767 os_memcpy(drv->own_addr, params->own_addr, ETH_ALEN);
1768 if (params->bridge[0]) {
1769 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
1770 params->bridge[0]);
1771 drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
1772 ETH_P_EAPOL, handle_read, drv,
1773 1);
1774 if (drv->sock_recv == NULL)
1775 goto bad;
1776 } else if (linux_br_get(brname, drv->iface) == 0) {
1777 wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for "
1778 "EAPOL receive", brname);
1779 drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL,
1780 handle_read, drv, 1);
1781 if (drv->sock_recv == NULL)
1782 goto bad;
1783 } else
1784 drv->sock_recv = drv->sock_xmit;
1785
1786 os_memset(&iwr, 0, sizeof(iwr));
1787 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1788
1789 iwr.u.mode = IW_MODE_MASTER;
1790
1791 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
1792 wpa_printf(MSG_ERROR,
1793 "Could not set interface to master mode! ioctl[SIOCSIWMODE]: %s",
1794 strerror(errno));
1795 goto bad;
1796 }
1797
1798 /* mark down during setup */
1799 linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1800 atheros_set_privacy(drv, 0); /* default to no privacy */
1801
1802 if (atheros_receive_pkt(drv))
1803 goto bad;
1804
1805 if (atheros_wireless_event_init(drv))
1806 goto bad;
1807
1808 /* Read FILS capability from the driver */
1809 atheros_read_fils_cap(drv);
1810
1811 return drv;
1812 bad:
1813 atheros_reset_appfilter(drv);
1814 if (drv->sock_raw)
1815 l2_packet_deinit(drv->sock_raw);
1816 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1817 l2_packet_deinit(drv->sock_recv);
1818 if (drv->sock_xmit != NULL)
1819 l2_packet_deinit(drv->sock_xmit);
1820 if (drv->ioctl_sock >= 0)
1821 close(drv->ioctl_sock);
1822 os_free(drv);
1823 return NULL;
1824 }
1825
1826
1827 static void
atheros_deinit(void * priv)1828 atheros_deinit(void *priv)
1829 {
1830 struct atheros_driver_data *drv = priv;
1831
1832 atheros_reset_appfilter(drv);
1833
1834 if (drv->wpa_ie || drv->wps_beacon_ie || drv->wps_probe_resp_ie) {
1835 atheros_set_opt_ie(priv, NULL, 0);
1836 wpabuf_free(drv->wpa_ie);
1837 wpabuf_free(drv->wps_beacon_ie);
1838 wpabuf_free(drv->wps_probe_resp_ie);
1839 }
1840 netlink_deinit(drv->netlink);
1841 (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1842 if (drv->ioctl_sock >= 0)
1843 close(drv->ioctl_sock);
1844 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1845 l2_packet_deinit(drv->sock_recv);
1846 if (drv->sock_xmit != NULL)
1847 l2_packet_deinit(drv->sock_xmit);
1848 if (drv->sock_raw)
1849 l2_packet_deinit(drv->sock_raw);
1850 os_free(drv);
1851 }
1852
1853 static int
atheros_set_ssid(void * priv,const u8 * buf,int len)1854 atheros_set_ssid(void *priv, const u8 *buf, int len)
1855 {
1856 struct atheros_driver_data *drv = priv;
1857 struct iwreq iwr;
1858
1859 os_memset(&iwr, 0, sizeof(iwr));
1860 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1861 iwr.u.essid.flags = 1; /* SSID active */
1862 iwr.u.essid.pointer = (caddr_t) buf;
1863 iwr.u.essid.length = len;
1864
1865 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
1866 wpa_printf(MSG_ERROR, "ioctl[SIOCSIWESSID,len=%d]: %s",
1867 len, strerror(errno));
1868 return -1;
1869 }
1870 return 0;
1871 }
1872
1873 static int
atheros_get_ssid(void * priv,u8 * buf,int len)1874 atheros_get_ssid(void *priv, u8 *buf, int len)
1875 {
1876 struct atheros_driver_data *drv = priv;
1877 struct iwreq iwr;
1878 int ret = 0;
1879
1880 os_memset(&iwr, 0, sizeof(iwr));
1881 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1882 iwr.u.essid.pointer = (caddr_t) buf;
1883 iwr.u.essid.length = (len > IW_ESSID_MAX_SIZE) ?
1884 IW_ESSID_MAX_SIZE : len;
1885
1886 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
1887 wpa_printf(MSG_ERROR, "ioctl[SIOCGIWESSID]: %s",
1888 strerror(errno));
1889 ret = -1;
1890 } else
1891 ret = iwr.u.essid.length;
1892
1893 return ret;
1894 }
1895
1896 static int
atheros_set_countermeasures(void * priv,int enabled)1897 atheros_set_countermeasures(void *priv, int enabled)
1898 {
1899 struct atheros_driver_data *drv = priv;
1900 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1901 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
1902 }
1903
1904 static int
atheros_commit(void * priv)1905 atheros_commit(void *priv)
1906 {
1907 struct atheros_driver_data *drv = priv;
1908 return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1);
1909 }
1910
atheros_set_authmode(void * priv,int auth_algs)1911 static int atheros_set_authmode(void *priv, int auth_algs)
1912 {
1913 int authmode;
1914
1915 if ((auth_algs & WPA_AUTH_ALG_OPEN) &&
1916 (auth_algs & WPA_AUTH_ALG_SHARED))
1917 authmode = IEEE80211_AUTH_AUTO;
1918 else if (auth_algs & WPA_AUTH_ALG_OPEN)
1919 authmode = IEEE80211_AUTH_OPEN;
1920 else if (auth_algs & WPA_AUTH_ALG_SHARED)
1921 authmode = IEEE80211_AUTH_SHARED;
1922 else
1923 return -1;
1924
1925 return set80211param(priv, IEEE80211_PARAM_AUTHMODE, authmode);
1926 }
1927
atheros_set_ap(void * priv,struct wpa_driver_ap_params * params)1928 static int atheros_set_ap(void *priv, struct wpa_driver_ap_params *params)
1929 {
1930 /*
1931 * TODO: Use this to replace set_authmode, set_privacy, set_ieee8021x,
1932 * set_generic_elem, and hapd_set_ssid.
1933 */
1934
1935 wpa_printf(MSG_DEBUG, "atheros: set_ap - pairwise_ciphers=0x%x "
1936 "group_cipher=0x%x key_mgmt_suites=0x%x auth_algs=0x%x "
1937 "wpa_version=0x%x privacy=%d interworking=%d",
1938 params->pairwise_ciphers, params->group_cipher,
1939 params->key_mgmt_suites, params->auth_algs,
1940 params->wpa_version, params->privacy, params->interworking);
1941 wpa_hexdump_ascii(MSG_DEBUG, "atheros: SSID",
1942 params->ssid, params->ssid_len);
1943 if (params->hessid)
1944 wpa_printf(MSG_DEBUG, "atheros: HESSID " MACSTR,
1945 MAC2STR(params->hessid));
1946 wpa_hexdump_buf(MSG_DEBUG, "atheros: beacon_ies",
1947 params->beacon_ies);
1948 wpa_hexdump_buf(MSG_DEBUG, "atheros: proberesp_ies",
1949 params->proberesp_ies);
1950 wpa_hexdump_buf(MSG_DEBUG, "atheros: assocresp_ies",
1951 params->assocresp_ies);
1952
1953 #if defined(CONFIG_HS20) && (defined(IEEE80211_PARAM_OSEN) || defined(CONFIG_ATHEROS_OSEN))
1954 if (params->osen) {
1955 struct wpa_bss_params bss_params;
1956
1957 os_memset(&bss_params, 0, sizeof(struct wpa_bss_params));
1958 bss_params.enabled = 1;
1959 bss_params.wpa = 2;
1960 bss_params.wpa_pairwise = WPA_CIPHER_CCMP;
1961 bss_params.wpa_group = WPA_CIPHER_CCMP;
1962 bss_params.ieee802_1x = 1;
1963
1964 if (atheros_set_privacy(priv, 1) ||
1965 set80211param(priv, IEEE80211_PARAM_OSEN, 1))
1966 return -1;
1967
1968 return atheros_set_ieee8021x(priv, &bss_params);
1969 }
1970 #endif /* CONFIG_HS20 && IEEE80211_PARAM_OSEN */
1971
1972 return 0;
1973 }
1974
1975
1976 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) || defined(CONFIG_FILS)
1977
atheros_send_mgmt(void * priv,const u8 * frm,size_t data_len,int noack,unsigned int freq,const u16 * csa_offs,size_t csa_offs_len)1978 static int atheros_send_mgmt(void *priv, const u8 *frm, size_t data_len,
1979 int noack, unsigned int freq,
1980 const u16 *csa_offs, size_t csa_offs_len)
1981 {
1982 struct atheros_driver_data *drv = priv;
1983 u8 buf[1510];
1984 const struct ieee80211_mgmt *mgmt;
1985 struct ieee80211req_mgmtbuf *mgmt_frm;
1986
1987 mgmt = (const struct ieee80211_mgmt *) frm;
1988 wpa_printf(MSG_DEBUG, "%s frmlen = %lu " MACSTR, __func__,
1989 (unsigned long) data_len, MAC2STR(mgmt->da));
1990 mgmt_frm = (struct ieee80211req_mgmtbuf *) buf;
1991 os_memcpy(mgmt_frm->macaddr, (u8 *)mgmt->da, IEEE80211_ADDR_LEN);
1992 mgmt_frm->buflen = data_len;
1993 if (&mgmt_frm->buf[0] + data_len > buf + sizeof(buf)) {
1994 wpa_printf(MSG_INFO, "atheros: Too long frame for "
1995 "atheros_send_mgmt (%u)", (unsigned int) data_len);
1996 return -1;
1997 }
1998 os_memcpy(&mgmt_frm->buf[0], frm, data_len);
1999 return set80211priv(drv, IEEE80211_IOCTL_SEND_MGMT, mgmt_frm,
2000 sizeof(struct ieee80211req_mgmtbuf) + data_len);
2001 }
2002 #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W || CONFIG_FILS */
2003
2004
2005 #ifdef CONFIG_IEEE80211R
2006
atheros_add_tspec(void * priv,const u8 * addr,u8 * tspec_ie,size_t tspec_ielen)2007 static int atheros_add_tspec(void *priv, const u8 *addr, u8 *tspec_ie,
2008 size_t tspec_ielen)
2009 {
2010 struct atheros_driver_data *drv = priv;
2011 int retv;
2012 struct ieee80211req_res req;
2013 struct ieee80211req_res_addts *addts = &req.u.addts;
2014
2015 wpa_printf(MSG_DEBUG, "%s", __func__);
2016 req.type = IEEE80211_RESREQ_ADDTS;
2017 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN);
2018 os_memcpy(addts->tspecie, tspec_ie, tspec_ielen);
2019 retv = set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req,
2020 sizeof(struct ieee80211req_res));
2021 if (retv < 0) {
2022 wpa_printf(MSG_DEBUG, "%s IEEE80211_IOCTL_RES_REQ FAILED "
2023 "retv = %d", __func__, retv);
2024 return -1;
2025 }
2026 os_memcpy(tspec_ie, addts->tspecie, tspec_ielen);
2027 return addts->status;
2028 }
2029
2030
atheros_add_sta_node(void * priv,const u8 * addr,u16 auth_alg)2031 static int atheros_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
2032 {
2033 struct atheros_driver_data *drv = priv;
2034 struct ieee80211req_res req;
2035 struct ieee80211req_res_addnode *addnode = &req.u.addnode;
2036
2037 wpa_printf(MSG_DEBUG, "%s", __func__);
2038 req.type = IEEE80211_RESREQ_ADDNODE;
2039 os_memcpy(&req.macaddr[0], addr, IEEE80211_ADDR_LEN);
2040 addnode->auth_alg = auth_alg;
2041 return set80211priv(drv, IEEE80211_IOCTL_RES_REQ, &req,
2042 sizeof(struct ieee80211req_res));
2043 }
2044
2045 #endif /* CONFIG_IEEE80211R */
2046
2047
2048 /* Use only to set a big param, get will not work. */
2049 static int
set80211big(struct atheros_driver_data * drv,int op,const void * data,int len)2050 set80211big(struct atheros_driver_data *drv, int op, const void *data, int len)
2051 {
2052 struct iwreq iwr;
2053
2054 os_memset(&iwr, 0, sizeof(iwr));
2055 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
2056
2057 iwr.u.data.pointer = (void *) data;
2058 iwr.u.data.length = len;
2059 iwr.u.data.flags = op;
2060 wpa_printf(MSG_DEBUG, "%s: op=0x%x=%d (%s) len=0x%x",
2061 __func__, op, op, athr_get_param_name(op), len);
2062
2063 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_P2P_BIG_PARAM, &iwr) < 0) {
2064 wpa_printf(MSG_DEBUG, "%s: op=0x%x (%s) subop=0x%x=%d "
2065 "value=0x%x,0x%x failed: %d (%s)",
2066 __func__, op, athr_get_ioctl_name(op), iwr.u.mode,
2067 iwr.u.mode, iwr.u.data.length,
2068 iwr.u.data.flags, errno, strerror(errno));
2069 return -1;
2070 }
2071 return 0;
2072 }
2073
2074
atheros_send_action(void * priv,unsigned int freq,unsigned int wait,const u8 * dst,const u8 * src,const u8 * bssid,const u8 * data,size_t data_len,int no_cck)2075 static int atheros_send_action(void *priv, unsigned int freq,
2076 unsigned int wait,
2077 const u8 *dst, const u8 *src,
2078 const u8 *bssid,
2079 const u8 *data, size_t data_len, int no_cck)
2080 {
2081 struct atheros_driver_data *drv = priv;
2082 struct ieee80211_p2p_send_action *act;
2083 int res;
2084
2085 act = os_zalloc(sizeof(*act) + data_len);
2086 if (act == NULL)
2087 return -1;
2088 act->freq = freq;
2089 os_memcpy(act->dst_addr, dst, ETH_ALEN);
2090 os_memcpy(act->src_addr, src, ETH_ALEN);
2091 os_memcpy(act->bssid, bssid, ETH_ALEN);
2092 os_memcpy(act + 1, data, data_len);
2093 wpa_printf(MSG_DEBUG, "%s: freq=%d, wait=%u, dst=" MACSTR ", src="
2094 MACSTR ", bssid=" MACSTR,
2095 __func__, act->freq, wait, MAC2STR(act->dst_addr),
2096 MAC2STR(act->src_addr), MAC2STR(act->bssid));
2097 wpa_hexdump(MSG_MSGDUMP, "athr: act", (u8 *) act, sizeof(*act));
2098 wpa_hexdump(MSG_MSGDUMP, "athr: data", data, data_len);
2099
2100 res = set80211big(drv, IEEE80211_IOC_P2P_SEND_ACTION,
2101 act, sizeof(*act) + data_len);
2102 os_free(act);
2103 return res;
2104 }
2105
2106
2107 #if defined(CONFIG_WNM) && defined(IEEE80211_APPIE_FRAME_WNM)
athr_wnm_tfs(struct atheros_driver_data * drv,const u8 * peer,u8 * ie,u16 * len,enum wnm_oper oper)2108 static int athr_wnm_tfs(struct atheros_driver_data *drv, const u8* peer,
2109 u8 *ie, u16 *len, enum wnm_oper oper)
2110 {
2111 #define IEEE80211_APPIE_MAX 1024 /* max appie buffer size */
2112 u8 buf[IEEE80211_APPIE_MAX];
2113 struct ieee80211req_getset_appiebuf *tfs_ie;
2114 u16 val;
2115
2116 wpa_printf(MSG_DEBUG, "atheros: ifname=%s, WNM TFS IE oper=%d " MACSTR,
2117 drv->iface, oper, MAC2STR(peer));
2118
2119 switch (oper) {
2120 case WNM_SLEEP_TFS_REQ_IE_SET:
2121 if (*len > IEEE80211_APPIE_MAX -
2122 sizeof(struct ieee80211req_getset_appiebuf)) {
2123 wpa_printf(MSG_DEBUG, "TFS Req IE(s) too large");
2124 return -1;
2125 }
2126 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2127 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2128 tfs_ie->app_buflen = ETH_ALEN + 2 + 2 + *len;
2129
2130 /* Command header for driver */
2131 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2132 val = oper;
2133 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2134 val = *len;
2135 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2136
2137 /* copy the ie */
2138 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2 + 2, ie, *len);
2139
2140 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie,
2141 IEEE80211_APPIE_MAX)) {
2142 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: "
2143 "%s", __func__, strerror(errno));
2144 return -1;
2145 }
2146 break;
2147 case WNM_SLEEP_TFS_RESP_IE_ADD:
2148 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2149 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2150 tfs_ie->app_buflen = IEEE80211_APPIE_MAX -
2151 sizeof(struct ieee80211req_getset_appiebuf);
2152 /* Command header for driver */
2153 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2154 val = oper;
2155 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2156 val = 0;
2157 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2158
2159 if (set80211priv(drv, IEEE80211_IOCTL_GET_APPIEBUF, tfs_ie,
2160 IEEE80211_APPIE_MAX)) {
2161 wpa_printf(MSG_DEBUG, "%s: Failed to get WNM TFS IE: "
2162 "%s", __func__, strerror(errno));
2163 return -1;
2164 }
2165
2166 *len = tfs_ie->app_buflen;
2167 os_memcpy(ie, &(tfs_ie->app_buf[0]), *len);
2168 wpa_printf(MSG_DEBUG, "atheros: %c len=%d", tfs_ie->app_buf[0],
2169 *len);
2170 break;
2171 case WNM_SLEEP_TFS_RESP_IE_NONE:
2172 *len = 0;
2173 break;
2174 case WNM_SLEEP_TFS_IE_DEL:
2175 tfs_ie = (struct ieee80211req_getset_appiebuf *) buf;
2176 tfs_ie->app_frmtype = IEEE80211_APPIE_FRAME_WNM;
2177 tfs_ie->app_buflen = IEEE80211_APPIE_MAX -
2178 sizeof(struct ieee80211req_getset_appiebuf);
2179 /* Command header for driver */
2180 os_memcpy(&(tfs_ie->app_buf[0]), peer, ETH_ALEN);
2181 val = oper;
2182 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN, &val, 2);
2183 val = 0;
2184 os_memcpy(&(tfs_ie->app_buf[0]) + ETH_ALEN + 2, &val, 2);
2185
2186 if (set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, tfs_ie,
2187 IEEE80211_APPIE_MAX)) {
2188 wpa_printf(MSG_DEBUG, "%s: Failed to set WNM TFS IE: "
2189 "%s", __func__, strerror(errno));
2190 return -1;
2191 }
2192 break;
2193 default:
2194 wpa_printf(MSG_DEBUG, "Unsupported TFS oper %d", oper);
2195 break;
2196 }
2197
2198 return 0;
2199 }
2200
2201
atheros_wnm_sleep(struct atheros_driver_data * drv,const u8 * peer,enum wnm_oper oper)2202 static int atheros_wnm_sleep(struct atheros_driver_data *drv,
2203 const u8 *peer, enum wnm_oper oper)
2204 {
2205 u8 *data, *pos;
2206 size_t dlen;
2207 int ret;
2208 u16 val;
2209
2210 wpa_printf(MSG_DEBUG, "atheros: WNM-Sleep Oper %d, " MACSTR,
2211 oper, MAC2STR(peer));
2212
2213 dlen = ETH_ALEN + 2 + 2;
2214 data = os_malloc(dlen);
2215 if (data == NULL)
2216 return -1;
2217
2218 /* Command header for driver */
2219 pos = data;
2220 os_memcpy(pos, peer, ETH_ALEN);
2221 pos += ETH_ALEN;
2222
2223 val = oper;
2224 os_memcpy(pos, &val, 2);
2225 pos += 2;
2226
2227 val = 0;
2228 os_memcpy(pos, &val, 2);
2229
2230 ret = atheros_set_wps_ie(drv, data, dlen, IEEE80211_APPIE_FRAME_WNM);
2231
2232 os_free(data);
2233
2234 return ret;
2235 }
2236
2237
atheros_wnm_oper(void * priv,enum wnm_oper oper,const u8 * peer,u8 * buf,u16 * buf_len)2238 static int atheros_wnm_oper(void *priv, enum wnm_oper oper, const u8 *peer,
2239 u8 *buf, u16 *buf_len)
2240 {
2241 struct atheros_driver_data *drv = priv;
2242
2243 switch (oper) {
2244 case WNM_SLEEP_ENTER_CONFIRM:
2245 case WNM_SLEEP_ENTER_FAIL:
2246 case WNM_SLEEP_EXIT_CONFIRM:
2247 case WNM_SLEEP_EXIT_FAIL:
2248 return atheros_wnm_sleep(drv, peer, oper);
2249 case WNM_SLEEP_TFS_REQ_IE_SET:
2250 case WNM_SLEEP_TFS_RESP_IE_ADD:
2251 case WNM_SLEEP_TFS_RESP_IE_NONE:
2252 case WNM_SLEEP_TFS_IE_DEL:
2253 return athr_wnm_tfs(drv, peer, buf, buf_len, oper);
2254 default:
2255 wpa_printf(MSG_DEBUG, "atheros: Unsupported WNM operation %d",
2256 oper);
2257 return -1;
2258 }
2259 }
2260 #endif /* CONFIG_WNM && IEEE80211_APPIE_FRAME_WNM */
2261
2262
2263 const struct wpa_driver_ops wpa_driver_atheros_ops = {
2264 .name = "atheros",
2265 .hapd_init = atheros_init,
2266 .hapd_deinit = atheros_deinit,
2267 .set_ieee8021x = atheros_set_ieee8021x,
2268 .set_privacy = atheros_set_privacy,
2269 .set_key = atheros_set_key,
2270 .get_seqnum = atheros_get_seqnum,
2271 .flush = atheros_flush,
2272 .set_generic_elem = atheros_set_opt_ie,
2273 .sta_set_flags = atheros_sta_set_flags,
2274 .read_sta_data = atheros_read_sta_driver_data,
2275 .hapd_send_eapol = atheros_send_eapol,
2276 .sta_disassoc = atheros_sta_disassoc,
2277 .sta_deauth = atheros_sta_deauth,
2278 .hapd_set_ssid = atheros_set_ssid,
2279 .hapd_get_ssid = atheros_get_ssid,
2280 .set_countermeasures = atheros_set_countermeasures,
2281 .sta_clear_stats = atheros_sta_clear_stats,
2282 .commit = atheros_commit,
2283 .set_ap_wps_ie = atheros_set_ap_wps_ie,
2284 .set_authmode = atheros_set_authmode,
2285 .set_ap = atheros_set_ap,
2286 #if defined(CONFIG_IEEE80211R) || defined(CONFIG_IEEE80211W) || defined(CONFIG_FILS)
2287 .sta_assoc = atheros_sta_assoc,
2288 .sta_auth = atheros_sta_auth,
2289 .send_mlme = atheros_send_mgmt,
2290 #endif /* CONFIG_IEEE80211R || CONFIG_IEEE80211W || CONFIG_FILS */
2291 #ifdef CONFIG_IEEE80211R
2292 .add_tspec = atheros_add_tspec,
2293 .add_sta_node = atheros_add_sta_node,
2294 #endif /* CONFIG_IEEE80211R */
2295 .send_action = atheros_send_action,
2296 #if defined(CONFIG_WNM) && defined(IEEE80211_APPIE_FRAME_WNM)
2297 .wnm_oper = atheros_wnm_oper,
2298 #endif /* CONFIG_WNM && IEEE80211_APPIE_FRAME_WNM */
2299 .set_qos_map = atheros_set_qos_map,
2300 };
2301