1 /*-
2 * Copyright (c) 2005
3 * Bill Paul <wpaul@windriver.com>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD: stable/10/sys/dev/if_ndis/if_ndis_usb.c 227843 2011-11-22 21:28:20Z marius $");
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/sockio.h>
39 #include <sys/module.h>
40 #include <sys/malloc.h>
41 #include <sys/kernel.h>
42 #include <sys/socket.h>
43 #include <sys/sysctl.h>
44
45 #include <net/if.h>
46 #include <net/if_arp.h>
47 #include <net/ethernet.h>
48 #include <net/if_dl.h>
49 #include <net/if_media.h>
50
51 #include <net/bpf.h>
52
53 #include <sys/bus.h>
54 #include <machine/bus.h>
55 #include <dev/usb/usb.h>
56 #include <dev/usb/usbdi.h>
57
58 #include <net80211/ieee80211_var.h>
59
60 #include <compat/ndis/pe_var.h>
61 #include <compat/ndis/cfg_var.h>
62 #include <compat/ndis/resource_var.h>
63 #include <compat/ndis/ntoskrnl_var.h>
64 #include <compat/ndis/ndis_var.h>
65 #include <compat/ndis/usbd_var.h>
66 #include <dev/if_ndis/if_ndisvar.h>
67
68 SYSCTL_NODE(_hw, OID_AUTO, ndisusb, CTLFLAG_RD, 0, "NDIS USB driver parameters");
69
70 MODULE_DEPEND(ndis, usb, 1, 1, 1);
71
72 static device_probe_t ndisusb_match;
73 static device_attach_t ndisusb_attach;
74 static device_detach_t ndisusb_detach;
75 static bus_get_resource_list_t ndis_get_resource_list;
76
77 extern int ndisdrv_modevent (module_t, int, void *);
78 extern int ndis_attach (device_t);
79 extern int ndis_shutdown (device_t);
80 extern int ndis_detach (device_t);
81 extern int ndis_suspend (device_t);
82 extern int ndis_resume (device_t);
83
84 extern unsigned char drv_data[];
85
86 static device_method_t ndis_methods[] = {
87 /* Device interface */
88 DEVMETHOD(device_probe, ndisusb_match),
89 DEVMETHOD(device_attach, ndisusb_attach),
90 DEVMETHOD(device_detach, ndisusb_detach),
91 DEVMETHOD(device_shutdown, ndis_shutdown),
92
93 /* bus interface */
94 DEVMETHOD(bus_get_resource_list, ndis_get_resource_list),
95
96 DEVMETHOD_END
97 };
98
99 static driver_t ndis_driver = {
100 "ndis",
101 ndis_methods,
102 sizeof(struct ndis_softc)
103 };
104
105 static devclass_t ndis_devclass;
106
107 DRIVER_MODULE(ndis, uhub, ndis_driver, ndis_devclass, ndisdrv_modevent, 0);
108
109 static int
ndisusb_devcompare(interface_type bustype,struct ndis_usb_type * t,device_t dev)110 ndisusb_devcompare(interface_type bustype, struct ndis_usb_type *t, device_t dev)
111 {
112 struct usb_attach_arg *uaa;
113
114 if (bustype != PNPBus)
115 return (FALSE);
116
117 uaa = device_get_ivars(dev);
118
119 while (t->ndis_name != NULL) {
120 if ((uaa->info.idVendor == t->ndis_vid) &&
121 (uaa->info.idProduct == t->ndis_did)) {
122 device_set_desc(dev, t->ndis_name);
123 return (TRUE);
124 }
125 t++;
126 }
127
128 return (FALSE);
129 }
130
131 static int
ndisusb_match(device_t self)132 ndisusb_match(device_t self)
133 {
134 struct drvdb_ent *db;
135 struct usb_attach_arg *uaa = device_get_ivars(self);
136
137 if (uaa->usb_mode != USB_MODE_HOST)
138 return (ENXIO);
139 if (uaa->info.bConfigIndex != NDISUSB_CONFIG_NO)
140 return (ENXIO);
141 if (uaa->info.bIfaceIndex != NDISUSB_IFACE_INDEX)
142 return (ENXIO);
143
144 if (windrv_lookup(0, "USB Bus") == NULL)
145 return (ENXIO);
146
147 db = windrv_match((matchfuncptr)ndisusb_devcompare, self);
148 if (db == NULL)
149 return (ENXIO);
150 uaa->driver_ivar = db;
151
152 return (0);
153 }
154
155 static int
ndisusb_attach(device_t self)156 ndisusb_attach(device_t self)
157 {
158 const struct drvdb_ent *db;
159 struct ndisusb_softc *dummy = device_get_softc(self);
160 struct usb_attach_arg *uaa = device_get_ivars(self);
161 struct ndis_softc *sc;
162 struct ndis_usb_type *t;
163 driver_object *drv;
164 int devidx = 0;
165
166 device_set_usb_desc(self);
167 db = uaa->driver_ivar;
168 sc = (struct ndis_softc *)dummy;
169 sc->ndis_dev = self;
170 mtx_init(&sc->ndisusb_mtx, "NDIS USB", MTX_NETWORK_LOCK, MTX_DEF);
171 sc->ndis_dobj = db->windrv_object;
172 sc->ndis_regvals = db->windrv_regvals;
173 sc->ndis_iftype = PNPBus;
174 sc->ndisusb_dev = uaa->device;
175
176 /* Create PDO for this device instance */
177
178 drv = windrv_lookup(0, "USB Bus");
179 windrv_create_pdo(drv, self);
180
181 /* Figure out exactly which device we matched. */
182
183 t = db->windrv_devlist;
184
185 while (t->ndis_name != NULL) {
186 if ((uaa->info.idVendor == t->ndis_vid) &&
187 (uaa->info.idProduct == t->ndis_did)) {
188 sc->ndis_devidx = devidx;
189 break;
190 }
191 t++;
192 devidx++;
193 }
194
195 if (ndis_attach(self) != 0)
196 return (ENXIO);
197
198 return (0);
199 }
200
201 static int
ndisusb_detach(device_t self)202 ndisusb_detach(device_t self)
203 {
204 int i;
205 struct ndis_softc *sc = device_get_softc(self);
206 struct ndisusb_ep *ne;
207
208 sc->ndisusb_status |= NDISUSB_STATUS_DETACH;
209
210 ndis_pnpevent_nic(self, NDIS_PNP_EVENT_SURPRISE_REMOVED);
211
212 if (sc->ndisusb_status & NDISUSB_STATUS_SETUP_EP) {
213 usbd_transfer_unsetup(sc->ndisusb_dread_ep.ne_xfer, 1);
214 usbd_transfer_unsetup(sc->ndisusb_dwrite_ep.ne_xfer, 1);
215 }
216 for (i = 0; i < NDISUSB_ENDPT_MAX; i++) {
217 ne = &sc->ndisusb_ep[i];
218 usbd_transfer_unsetup(ne->ne_xfer, 1);
219 }
220
221 (void)ndis_detach(self);
222
223 mtx_destroy(&sc->ndisusb_mtx);
224 return (0);
225 }
226
227 static struct resource_list *
ndis_get_resource_list(device_t dev,device_t child)228 ndis_get_resource_list(device_t dev, device_t child)
229 {
230 struct ndis_softc *sc;
231
232 sc = device_get_softc(dev);
233 return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev));
234 }
235