Commit | Line | Data |
---|---|---|
ff1d2767 JM |
1 | /* |
2 | * Host AP (software wireless LAN access point) driver for | |
3 | * Intersil Prism2/2.5/3 - hostap.o module, common routines | |
4 | * | |
5 | * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen | |
85d32e7b JM |
6 | * <j@w1.fi> |
7 | * Copyright (c) 2002-2005, Jouni Malinen <j@w1.fi> | |
ff1d2767 JM |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. See README and COPYING for | |
12 | * more details. | |
13 | */ | |
14 | ||
ff1d2767 JM |
15 | #include <linux/module.h> |
16 | #include <linux/init.h> | |
17 | #include <linux/slab.h> | |
18 | #include <linux/proc_fs.h> | |
19 | #include <linux/if_arp.h> | |
20 | #include <linux/delay.h> | |
21 | #include <linux/random.h> | |
22 | #include <linux/workqueue.h> | |
23 | #include <linux/kmod.h> | |
24 | #include <linux/rtnetlink.h> | |
25 | #include <linux/wireless.h> | |
5fad5a2e | 26 | #include <linux/etherdevice.h> |
457c4cbc | 27 | #include <net/net_namespace.h> |
ff1d2767 | 28 | #include <net/iw_handler.h> |
274bfb8d | 29 | #include <net/lib80211.h> |
ff1d2767 JM |
30 | #include <asm/uaccess.h> |
31 | ||
32 | #include "hostap_wlan.h" | |
33 | #include "hostap_80211.h" | |
34 | #include "hostap_ap.h" | |
35 | #include "hostap.h" | |
ff1d2767 JM |
36 | |
37 | MODULE_AUTHOR("Jouni Malinen"); | |
38 | MODULE_DESCRIPTION("Host AP common routines"); | |
39 | MODULE_LICENSE("GPL"); | |
40 | ||
ff1d2767 JM |
41 | #define TX_TIMEOUT (2 * HZ) |
42 | ||
43 | #define PRISM2_MAX_FRAME_SIZE 2304 | |
44 | #define PRISM2_MIN_MTU 256 | |
45 | /* FIX: */ | |
46 | #define PRISM2_MAX_MTU (PRISM2_MAX_FRAME_SIZE - (6 /* LLC */ + 8 /* WEP */)) | |
47 | ||
48 | ||
ff1d2767 JM |
49 | struct net_device * hostap_add_interface(struct local_info *local, |
50 | int type, int rtnl_locked, | |
51 | const char *prefix, | |
52 | const char *name) | |
53 | { | |
54 | struct net_device *dev, *mdev; | |
55 | struct hostap_interface *iface; | |
56 | int ret; | |
57 | ||
58 | dev = alloc_etherdev(sizeof(struct hostap_interface)); | |
59 | if (dev == NULL) | |
60 | return NULL; | |
61 | ||
62 | iface = netdev_priv(dev); | |
63 | iface->dev = dev; | |
64 | iface->local = local; | |
65 | iface->type = type; | |
66 | list_add(&iface->list, &local->hostap_interfaces); | |
67 | ||
68 | mdev = local->dev; | |
69 | memcpy(dev->dev_addr, mdev->dev_addr, ETH_ALEN); | |
70 | dev->base_addr = mdev->base_addr; | |
71 | dev->irq = mdev->irq; | |
72 | dev->mem_start = mdev->mem_start; | |
73 | dev->mem_end = mdev->mem_end; | |
74 | ||
09703f5e | 75 | hostap_setup_dev(dev, local, type); |
ff1d2767 JM |
76 | dev->destructor = free_netdev; |
77 | ||
78 | sprintf(dev->name, "%s%s", prefix, name); | |
79 | if (!rtnl_locked) | |
80 | rtnl_lock(); | |
81 | ||
82 | ret = 0; | |
83 | if (strchr(dev->name, '%')) | |
84 | ret = dev_alloc_name(dev, dev->name); | |
85 | ||
43cb76d9 | 86 | SET_NETDEV_DEV(dev, mdev->dev.parent); |
ff1d2767 JM |
87 | if (ret >= 0) |
88 | ret = register_netdevice(dev); | |
89 | ||
90 | if (!rtnl_locked) | |
91 | rtnl_unlock(); | |
92 | ||
93 | if (ret < 0) { | |
94 | printk(KERN_WARNING "%s: failed to add new netdevice!\n", | |
95 | dev->name); | |
96 | free_netdev(dev); | |
97 | return NULL; | |
98 | } | |
99 | ||
100 | printk(KERN_DEBUG "%s: registered netdevice %s\n", | |
101 | mdev->name, dev->name); | |
102 | ||
103 | return dev; | |
104 | } | |
105 | ||
106 | ||
107 | void hostap_remove_interface(struct net_device *dev, int rtnl_locked, | |
108 | int remove_from_list) | |
109 | { | |
110 | struct hostap_interface *iface; | |
111 | ||
112 | if (!dev) | |
113 | return; | |
114 | ||
115 | iface = netdev_priv(dev); | |
116 | ||
117 | if (remove_from_list) { | |
118 | list_del(&iface->list); | |
119 | } | |
120 | ||
121 | if (dev == iface->local->ddev) | |
122 | iface->local->ddev = NULL; | |
123 | else if (dev == iface->local->apdev) | |
124 | iface->local->apdev = NULL; | |
125 | else if (dev == iface->local->stadev) | |
126 | iface->local->stadev = NULL; | |
127 | ||
128 | if (rtnl_locked) | |
129 | unregister_netdevice(dev); | |
130 | else | |
131 | unregister_netdev(dev); | |
132 | ||
133 | /* dev->destructor = free_netdev() will free the device data, including | |
134 | * private data, when removing the device */ | |
135 | } | |
136 | ||
137 | ||
138 | static inline int prism2_wds_special_addr(u8 *addr) | |
139 | { | |
140 | if (addr[0] || addr[1] || addr[2] || addr[3] || addr[4] || addr[5]) | |
141 | return 0; | |
142 | ||
143 | return 1; | |
144 | } | |
145 | ||
146 | ||
5fad5a2e AB |
147 | int prism2_wds_add(local_info_t *local, u8 *remote_addr, |
148 | int rtnl_locked) | |
ff1d2767 JM |
149 | { |
150 | struct net_device *dev; | |
151 | struct list_head *ptr; | |
152 | struct hostap_interface *iface, *empty, *match; | |
153 | ||
154 | empty = match = NULL; | |
155 | read_lock_bh(&local->iface_lock); | |
156 | list_for_each(ptr, &local->hostap_interfaces) { | |
157 | iface = list_entry(ptr, struct hostap_interface, list); | |
158 | if (iface->type != HOSTAP_INTERFACE_WDS) | |
159 | continue; | |
160 | ||
161 | if (prism2_wds_special_addr(iface->u.wds.remote_addr)) | |
162 | empty = iface; | |
163 | else if (memcmp(iface->u.wds.remote_addr, remote_addr, | |
164 | ETH_ALEN) == 0) { | |
165 | match = iface; | |
166 | break; | |
167 | } | |
168 | } | |
169 | if (!match && empty && !prism2_wds_special_addr(remote_addr)) { | |
170 | /* take pre-allocated entry into use */ | |
171 | memcpy(empty->u.wds.remote_addr, remote_addr, ETH_ALEN); | |
172 | read_unlock_bh(&local->iface_lock); | |
173 | printk(KERN_DEBUG "%s: using pre-allocated WDS netdevice %s\n", | |
174 | local->dev->name, empty->dev->name); | |
175 | return 0; | |
176 | } | |
177 | read_unlock_bh(&local->iface_lock); | |
178 | ||
179 | if (!prism2_wds_special_addr(remote_addr)) { | |
180 | if (match) | |
181 | return -EEXIST; | |
182 | hostap_add_sta(local->ap, remote_addr); | |
183 | } | |
184 | ||
185 | if (local->wds_connections >= local->wds_max_connections) | |
186 | return -ENOBUFS; | |
187 | ||
188 | /* verify that there is room for wds# postfix in the interface name */ | |
189 | if (strlen(local->dev->name) > IFNAMSIZ - 5) { | |
190 | printk(KERN_DEBUG "'%s' too long base device name\n", | |
191 | local->dev->name); | |
192 | return -EINVAL; | |
193 | } | |
194 | ||
195 | dev = hostap_add_interface(local, HOSTAP_INTERFACE_WDS, rtnl_locked, | |
196 | local->ddev->name, "wds%d"); | |
197 | if (dev == NULL) | |
198 | return -ENOMEM; | |
199 | ||
200 | iface = netdev_priv(dev); | |
201 | memcpy(iface->u.wds.remote_addr, remote_addr, ETH_ALEN); | |
202 | ||
203 | local->wds_connections++; | |
204 | ||
205 | return 0; | |
206 | } | |
207 | ||
208 | ||
5fad5a2e AB |
209 | int prism2_wds_del(local_info_t *local, u8 *remote_addr, |
210 | int rtnl_locked, int do_not_remove) | |
ff1d2767 JM |
211 | { |
212 | unsigned long flags; | |
213 | struct list_head *ptr; | |
214 | struct hostap_interface *iface, *selected = NULL; | |
215 | ||
216 | write_lock_irqsave(&local->iface_lock, flags); | |
217 | list_for_each(ptr, &local->hostap_interfaces) { | |
218 | iface = list_entry(ptr, struct hostap_interface, list); | |
219 | if (iface->type != HOSTAP_INTERFACE_WDS) | |
220 | continue; | |
221 | ||
222 | if (memcmp(iface->u.wds.remote_addr, remote_addr, | |
223 | ETH_ALEN) == 0) { | |
224 | selected = iface; | |
225 | break; | |
226 | } | |
227 | } | |
228 | if (selected && !do_not_remove) | |
229 | list_del(&selected->list); | |
230 | write_unlock_irqrestore(&local->iface_lock, flags); | |
231 | ||
232 | if (selected) { | |
233 | if (do_not_remove) | |
234 | memset(selected->u.wds.remote_addr, 0, ETH_ALEN); | |
235 | else { | |
236 | hostap_remove_interface(selected->dev, rtnl_locked, 0); | |
237 | local->wds_connections--; | |
238 | } | |
239 | } | |
240 | ||
241 | return selected ? 0 : -ENODEV; | |
242 | } | |
243 | ||
244 | ||
245 | u16 hostap_tx_callback_register(local_info_t *local, | |
246 | void (*func)(struct sk_buff *, int ok, void *), | |
247 | void *data) | |
248 | { | |
249 | unsigned long flags; | |
250 | struct hostap_tx_callback_info *entry; | |
251 | ||
5cbded58 | 252 | entry = kmalloc(sizeof(*entry), |
ff1d2767 JM |
253 | GFP_ATOMIC); |
254 | if (entry == NULL) | |
255 | return 0; | |
256 | ||
257 | entry->func = func; | |
258 | entry->data = data; | |
259 | ||
260 | spin_lock_irqsave(&local->lock, flags); | |
261 | entry->idx = local->tx_callback ? local->tx_callback->idx + 1 : 1; | |
262 | entry->next = local->tx_callback; | |
263 | local->tx_callback = entry; | |
264 | spin_unlock_irqrestore(&local->lock, flags); | |
265 | ||
266 | return entry->idx; | |
267 | } | |
268 | ||
269 | ||
270 | int hostap_tx_callback_unregister(local_info_t *local, u16 idx) | |
271 | { | |
272 | unsigned long flags; | |
273 | struct hostap_tx_callback_info *cb, *prev = NULL; | |
274 | ||
275 | spin_lock_irqsave(&local->lock, flags); | |
276 | cb = local->tx_callback; | |
277 | while (cb != NULL && cb->idx != idx) { | |
278 | prev = cb; | |
279 | cb = cb->next; | |
280 | } | |
281 | if (cb) { | |
282 | if (prev == NULL) | |
283 | local->tx_callback = cb->next; | |
284 | else | |
285 | prev->next = cb->next; | |
286 | kfree(cb); | |
287 | } | |
288 | spin_unlock_irqrestore(&local->lock, flags); | |
289 | ||
290 | return cb ? 0 : -1; | |
291 | } | |
292 | ||
293 | ||
294 | /* val is in host byte order */ | |
295 | int hostap_set_word(struct net_device *dev, int rid, u16 val) | |
296 | { | |
297 | struct hostap_interface *iface; | |
8a9faf3c | 298 | __le16 tmp = cpu_to_le16(val); |
ff1d2767 JM |
299 | iface = netdev_priv(dev); |
300 | return iface->local->func->set_rid(dev, rid, &tmp, 2); | |
301 | } | |
302 | ||
303 | ||
304 | int hostap_set_string(struct net_device *dev, int rid, const char *val) | |
305 | { | |
306 | struct hostap_interface *iface; | |
307 | char buf[MAX_SSID_LEN + 2]; | |
308 | int len; | |
309 | ||
310 | iface = netdev_priv(dev); | |
311 | len = strlen(val); | |
312 | if (len > MAX_SSID_LEN) | |
313 | return -1; | |
314 | memset(buf, 0, sizeof(buf)); | |
315 | buf[0] = len; /* little endian 16 bit word */ | |
316 | memcpy(buf + 2, val, len); | |
317 | ||
318 | return iface->local->func->set_rid(dev, rid, &buf, MAX_SSID_LEN + 2); | |
319 | } | |
320 | ||
321 | ||
322 | u16 hostap_get_porttype(local_info_t *local) | |
323 | { | |
324 | if (local->iw_mode == IW_MODE_ADHOC && local->pseudo_adhoc) | |
325 | return HFA384X_PORTTYPE_PSEUDO_IBSS; | |
326 | if (local->iw_mode == IW_MODE_ADHOC) | |
327 | return HFA384X_PORTTYPE_IBSS; | |
328 | if (local->iw_mode == IW_MODE_INFRA) | |
329 | return HFA384X_PORTTYPE_BSS; | |
330 | if (local->iw_mode == IW_MODE_REPEAT) | |
331 | return HFA384X_PORTTYPE_WDS; | |
332 | if (local->iw_mode == IW_MODE_MONITOR) | |
333 | return HFA384X_PORTTYPE_PSEUDO_IBSS; | |
334 | return HFA384X_PORTTYPE_HOSTAP; | |
335 | } | |
336 | ||
337 | ||
338 | int hostap_set_encryption(local_info_t *local) | |
339 | { | |
340 | u16 val, old_val; | |
341 | int i, keylen, len, idx; | |
342 | char keybuf[WEP_KEY_LEN + 1]; | |
343 | enum { NONE, WEP, OTHER } encrypt_type; | |
344 | ||
274bfb8d JL |
345 | idx = local->crypt_info.tx_keyidx; |
346 | if (local->crypt_info.crypt[idx] == NULL || | |
347 | local->crypt_info.crypt[idx]->ops == NULL) | |
ff1d2767 | 348 | encrypt_type = NONE; |
274bfb8d | 349 | else if (strcmp(local->crypt_info.crypt[idx]->ops->name, "WEP") == 0) |
ff1d2767 JM |
350 | encrypt_type = WEP; |
351 | else | |
352 | encrypt_type = OTHER; | |
353 | ||
354 | if (local->func->get_rid(local->dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, | |
355 | 1) < 0) { | |
356 | printk(KERN_DEBUG "Could not read current WEP flags.\n"); | |
357 | goto fail; | |
358 | } | |
359 | le16_to_cpus(&val); | |
360 | old_val = val; | |
361 | ||
362 | if (encrypt_type != NONE || local->privacy_invoked) | |
363 | val |= HFA384X_WEPFLAGS_PRIVACYINVOKED; | |
364 | else | |
365 | val &= ~HFA384X_WEPFLAGS_PRIVACYINVOKED; | |
366 | ||
367 | if (local->open_wep || encrypt_type == NONE || | |
368 | ((local->ieee_802_1x || local->wpa) && local->host_decrypt)) | |
369 | val &= ~HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED; | |
370 | else | |
371 | val |= HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED; | |
372 | ||
373 | if ((encrypt_type != NONE || local->privacy_invoked) && | |
374 | (encrypt_type == OTHER || local->host_encrypt)) | |
375 | val |= HFA384X_WEPFLAGS_HOSTENCRYPT; | |
376 | else | |
377 | val &= ~HFA384X_WEPFLAGS_HOSTENCRYPT; | |
378 | if ((encrypt_type != NONE || local->privacy_invoked) && | |
379 | (encrypt_type == OTHER || local->host_decrypt)) | |
380 | val |= HFA384X_WEPFLAGS_HOSTDECRYPT; | |
381 | else | |
382 | val &= ~HFA384X_WEPFLAGS_HOSTDECRYPT; | |
383 | ||
384 | if (val != old_val && | |
385 | hostap_set_word(local->dev, HFA384X_RID_CNFWEPFLAGS, val)) { | |
386 | printk(KERN_DEBUG "Could not write new WEP flags (0x%x)\n", | |
387 | val); | |
388 | goto fail; | |
389 | } | |
390 | ||
391 | if (encrypt_type != WEP) | |
392 | return 0; | |
393 | ||
394 | /* 104-bit support seems to require that all the keys are set to the | |
395 | * same keylen */ | |
396 | keylen = 6; /* first 5 octets */ | |
274bfb8d JL |
397 | len = local->crypt_info.crypt[idx]->ops->get_key(keybuf, sizeof(keybuf), NULL, |
398 | local->crypt_info.crypt[idx]->priv); | |
ff1d2767 JM |
399 | if (idx >= 0 && idx < WEP_KEYS && len > 5) |
400 | keylen = WEP_KEY_LEN + 1; /* first 13 octets */ | |
401 | ||
402 | for (i = 0; i < WEP_KEYS; i++) { | |
403 | memset(keybuf, 0, sizeof(keybuf)); | |
274bfb8d JL |
404 | if (local->crypt_info.crypt[i]) { |
405 | (void) local->crypt_info.crypt[i]->ops->get_key( | |
ff1d2767 | 406 | keybuf, sizeof(keybuf), |
274bfb8d | 407 | NULL, local->crypt_info.crypt[i]->priv); |
ff1d2767 JM |
408 | } |
409 | if (local->func->set_rid(local->dev, | |
410 | HFA384X_RID_CNFDEFAULTKEY0 + i, | |
411 | keybuf, keylen)) { | |
412 | printk(KERN_DEBUG "Could not set key %d (len=%d)\n", | |
413 | i, keylen); | |
414 | goto fail; | |
415 | } | |
416 | } | |
417 | if (hostap_set_word(local->dev, HFA384X_RID_CNFWEPDEFAULTKEYID, idx)) { | |
418 | printk(KERN_DEBUG "Could not set default keyid %d\n", idx); | |
419 | goto fail; | |
420 | } | |
421 | ||
422 | return 0; | |
423 | ||
424 | fail: | |
425 | printk(KERN_DEBUG "%s: encryption setup failed\n", local->dev->name); | |
426 | return -1; | |
427 | } | |
428 | ||
429 | ||
430 | int hostap_set_antsel(local_info_t *local) | |
431 | { | |
432 | u16 val; | |
433 | int ret = 0; | |
434 | ||
435 | if (local->antsel_tx != HOSTAP_ANTSEL_DO_NOT_TOUCH && | |
436 | local->func->cmd(local->dev, HFA384X_CMDCODE_READMIF, | |
437 | HFA386X_CR_TX_CONFIGURE, | |
438 | NULL, &val) == 0) { | |
439 | val &= ~(BIT(2) | BIT(1)); | |
440 | switch (local->antsel_tx) { | |
441 | case HOSTAP_ANTSEL_DIVERSITY: | |
442 | val |= BIT(1); | |
443 | break; | |
444 | case HOSTAP_ANTSEL_LOW: | |
445 | break; | |
446 | case HOSTAP_ANTSEL_HIGH: | |
447 | val |= BIT(2); | |
448 | break; | |
449 | } | |
450 | ||
451 | if (local->func->cmd(local->dev, HFA384X_CMDCODE_WRITEMIF, | |
452 | HFA386X_CR_TX_CONFIGURE, &val, NULL)) { | |
453 | printk(KERN_INFO "%s: setting TX AntSel failed\n", | |
454 | local->dev->name); | |
455 | ret = -1; | |
456 | } | |
457 | } | |
458 | ||
459 | if (local->antsel_rx != HOSTAP_ANTSEL_DO_NOT_TOUCH && | |
460 | local->func->cmd(local->dev, HFA384X_CMDCODE_READMIF, | |
461 | HFA386X_CR_RX_CONFIGURE, | |
462 | NULL, &val) == 0) { | |
463 | val &= ~(BIT(1) | BIT(0)); | |
464 | switch (local->antsel_rx) { | |
465 | case HOSTAP_ANTSEL_DIVERSITY: | |
466 | break; | |
467 | case HOSTAP_ANTSEL_LOW: | |
468 | val |= BIT(0); | |
469 | break; | |
470 | case HOSTAP_ANTSEL_HIGH: | |
471 | val |= BIT(0) | BIT(1); | |
472 | break; | |
473 | } | |
474 | ||
475 | if (local->func->cmd(local->dev, HFA384X_CMDCODE_WRITEMIF, | |
476 | HFA386X_CR_RX_CONFIGURE, &val, NULL)) { | |
477 | printk(KERN_INFO "%s: setting RX AntSel failed\n", | |
478 | local->dev->name); | |
479 | ret = -1; | |
480 | } | |
481 | } | |
482 | ||
483 | return ret; | |
484 | } | |
485 | ||
486 | ||
487 | int hostap_set_roaming(local_info_t *local) | |
488 | { | |
489 | u16 val; | |
490 | ||
491 | switch (local->host_roaming) { | |
492 | case 1: | |
493 | val = HFA384X_ROAMING_HOST; | |
494 | break; | |
495 | case 2: | |
496 | val = HFA384X_ROAMING_DISABLED; | |
497 | break; | |
498 | case 0: | |
499 | default: | |
500 | val = HFA384X_ROAMING_FIRMWARE; | |
501 | break; | |
502 | } | |
503 | ||
504 | return hostap_set_word(local->dev, HFA384X_RID_CNFROAMINGMODE, val); | |
505 | } | |
506 | ||
507 | ||
508 | int hostap_set_auth_algs(local_info_t *local) | |
509 | { | |
510 | int val = local->auth_algs; | |
511 | /* At least STA f/w v0.6.2 seems to have issues with cnfAuthentication | |
512 | * set to include both Open and Shared Key flags. It tries to use | |
513 | * Shared Key authentication in that case even if WEP keys are not | |
514 | * configured.. STA f/w v0.7.6 is able to handle such configuration, | |
515 | * but it is unknown when this was fixed between 0.6.2 .. 0.7.6. */ | |
516 | if (local->sta_fw_ver < PRISM2_FW_VER(0,7,0) && | |
517 | val != PRISM2_AUTH_OPEN && val != PRISM2_AUTH_SHARED_KEY) | |
518 | val = PRISM2_AUTH_OPEN; | |
519 | ||
520 | if (hostap_set_word(local->dev, HFA384X_RID_CNFAUTHENTICATION, val)) { | |
521 | printk(KERN_INFO "%s: cnfAuthentication setting to 0x%x " | |
522 | "failed\n", local->dev->name, local->auth_algs); | |
523 | return -EINVAL; | |
524 | } | |
525 | ||
526 | return 0; | |
527 | } | |
528 | ||
529 | ||
530 | void hostap_dump_rx_header(const char *name, const struct hfa384x_rx_frame *rx) | |
531 | { | |
532 | u16 status, fc; | |
533 | ||
534 | status = __le16_to_cpu(rx->status); | |
535 | ||
536 | printk(KERN_DEBUG "%s: RX status=0x%04x (port=%d, type=%d, " | |
537 | "fcserr=%d) silence=%d signal=%d rate=%d rxflow=%d; " | |
538 | "jiffies=%ld\n", | |
539 | name, status, (status >> 8) & 0x07, status >> 13, status & 1, | |
540 | rx->silence, rx->signal, rx->rate, rx->rxflow, jiffies); | |
541 | ||
542 | fc = __le16_to_cpu(rx->frame_control); | |
543 | printk(KERN_DEBUG " FC=0x%04x (type=%d:%d) dur=0x%04x seq=0x%04x " | |
544 | "data_len=%d%s%s\n", | |
1ea893fd DW |
545 | fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, |
546 | (fc & IEEE80211_FCTL_STYPE) >> 4, | |
ff1d2767 JM |
547 | __le16_to_cpu(rx->duration_id), __le16_to_cpu(rx->seq_ctrl), |
548 | __le16_to_cpu(rx->data_len), | |
b2f4a2e3 JM |
549 | fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", |
550 | fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); | |
ff1d2767 | 551 | |
e174961c JB |
552 | printk(KERN_DEBUG " A1=%pM A2=%pM A3=%pM A4=%pM\n", |
553 | rx->addr1, rx->addr2, rx->addr3, rx->addr4); | |
ff1d2767 | 554 | |
e174961c JB |
555 | printk(KERN_DEBUG " dst=%pM src=%pM len=%d\n", |
556 | rx->dst_addr, rx->src_addr, | |
ff1d2767 JM |
557 | __be16_to_cpu(rx->len)); |
558 | } | |
559 | ||
560 | ||
561 | void hostap_dump_tx_header(const char *name, const struct hfa384x_tx_frame *tx) | |
562 | { | |
563 | u16 fc; | |
564 | ||
565 | printk(KERN_DEBUG "%s: TX status=0x%04x retry_count=%d tx_rate=%d " | |
566 | "tx_control=0x%04x; jiffies=%ld\n", | |
567 | name, __le16_to_cpu(tx->status), tx->retry_count, tx->tx_rate, | |
568 | __le16_to_cpu(tx->tx_control), jiffies); | |
569 | ||
570 | fc = __le16_to_cpu(tx->frame_control); | |
571 | printk(KERN_DEBUG " FC=0x%04x (type=%d:%d) dur=0x%04x seq=0x%04x " | |
572 | "data_len=%d%s%s\n", | |
1ea893fd DW |
573 | fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, |
574 | (fc & IEEE80211_FCTL_STYPE) >> 4, | |
ff1d2767 JM |
575 | __le16_to_cpu(tx->duration_id), __le16_to_cpu(tx->seq_ctrl), |
576 | __le16_to_cpu(tx->data_len), | |
b2f4a2e3 JM |
577 | fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", |
578 | fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); | |
ff1d2767 | 579 | |
e174961c JB |
580 | printk(KERN_DEBUG " A1=%pM A2=%pM A3=%pM A4=%pM\n", |
581 | tx->addr1, tx->addr2, tx->addr3, tx->addr4); | |
ff1d2767 | 582 | |
e174961c JB |
583 | printk(KERN_DEBUG " dst=%pM src=%pM len=%d\n", |
584 | tx->dst_addr, tx->src_addr, | |
ff1d2767 JM |
585 | __be16_to_cpu(tx->len)); |
586 | } | |
587 | ||
588 | ||
1bcca3c4 PR |
589 | static int hostap_80211_header_parse(const struct sk_buff *skb, |
590 | unsigned char *haddr) | |
ff1d2767 | 591 | { |
b53a5dab | 592 | memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */ |
ff1d2767 JM |
593 | return ETH_ALEN; |
594 | } | |
595 | ||
596 | ||
1ea893fd | 597 | int hostap_80211_get_hdrlen(__le16 fc) |
ff1d2767 | 598 | { |
1ea893fd DW |
599 | if (ieee80211_is_data(fc) && ieee80211_has_a4 (fc)) |
600 | return 30; /* Addr4 */ | |
601 | else if (ieee80211_is_cts(fc) || ieee80211_is_ack(fc)) | |
602 | return 10; | |
603 | else if (ieee80211_is_ctl(fc)) | |
604 | return 16; | |
605 | ||
606 | return 24; | |
ff1d2767 JM |
607 | } |
608 | ||
609 | ||
ff1d2767 JM |
610 | static int prism2_close(struct net_device *dev) |
611 | { | |
612 | struct hostap_interface *iface; | |
613 | local_info_t *local; | |
614 | ||
615 | PDEBUG(DEBUG_FLOW, "%s: prism2_close\n", dev->name); | |
616 | ||
617 | iface = netdev_priv(dev); | |
618 | local = iface->local; | |
619 | ||
620 | if (dev == local->ddev) { | |
621 | prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING); | |
622 | } | |
623 | #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT | |
624 | if (!local->hostapd && dev == local->dev && | |
625 | (!local->func->card_present || local->func->card_present(local)) && | |
626 | local->hw_ready && local->ap && local->iw_mode == IW_MODE_MASTER) | |
627 | hostap_deauth_all_stas(dev, local->ap, 1); | |
628 | #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ | |
629 | ||
ff1d2767 JM |
630 | if (dev == local->dev) { |
631 | local->func->hw_shutdown(dev, HOSTAP_HW_ENABLE_CMDCOMPL); | |
632 | } | |
633 | ||
634 | if (netif_running(dev)) { | |
635 | netif_stop_queue(dev); | |
636 | netif_device_detach(dev); | |
637 | } | |
638 | ||
4bb073c0 DM |
639 | cancel_work_sync(&local->reset_queue); |
640 | cancel_work_sync(&local->set_multicast_list_queue); | |
641 | cancel_work_sync(&local->set_tim_queue); | |
642 | #ifndef PRISM2_NO_STATION_MODES | |
643 | cancel_work_sync(&local->info_queue); | |
644 | #endif | |
645 | cancel_work_sync(&local->comms_qual_update); | |
ff1d2767 JM |
646 | |
647 | module_put(local->hw_module); | |
648 | ||
649 | local->num_dev_open--; | |
650 | ||
651 | if (dev != local->dev && local->dev->flags & IFF_UP && | |
652 | local->master_dev_auto_open && local->num_dev_open == 1) { | |
653 | /* Close master radio interface automatically if it was also | |
654 | * opened automatically and we are now closing the last | |
655 | * remaining non-master device. */ | |
656 | dev_close(local->dev); | |
657 | } | |
658 | ||
659 | return 0; | |
660 | } | |
661 | ||
662 | ||
663 | static int prism2_open(struct net_device *dev) | |
664 | { | |
665 | struct hostap_interface *iface; | |
666 | local_info_t *local; | |
667 | ||
668 | PDEBUG(DEBUG_FLOW, "%s: prism2_open\n", dev->name); | |
669 | ||
670 | iface = netdev_priv(dev); | |
671 | local = iface->local; | |
672 | ||
673 | if (local->no_pri) { | |
674 | printk(KERN_DEBUG "%s: could not set interface UP - no PRI " | |
675 | "f/w\n", dev->name); | |
676 | return 1; | |
677 | } | |
678 | ||
679 | if ((local->func->card_present && !local->func->card_present(local)) || | |
680 | local->hw_downloading) | |
681 | return -ENODEV; | |
682 | ||
ff1d2767 JM |
683 | if (!try_module_get(local->hw_module)) |
684 | return -ENODEV; | |
685 | local->num_dev_open++; | |
686 | ||
687 | if (!local->dev_enabled && local->func->hw_enable(dev, 1)) { | |
688 | printk(KERN_WARNING "%s: could not enable MAC port\n", | |
689 | dev->name); | |
690 | prism2_close(dev); | |
691 | return 1; | |
692 | } | |
693 | if (!local->dev_enabled) | |
694 | prism2_callback(local, PRISM2_CALLBACK_ENABLE); | |
695 | local->dev_enabled = 1; | |
696 | ||
697 | if (dev != local->dev && !(local->dev->flags & IFF_UP)) { | |
698 | /* Master radio interface is needed for all operation, so open | |
699 | * it automatically when any virtual net_device is opened. */ | |
700 | local->master_dev_auto_open = 1; | |
701 | dev_open(local->dev); | |
702 | } | |
703 | ||
704 | netif_device_attach(dev); | |
705 | netif_start_queue(dev); | |
706 | ||
707 | return 0; | |
708 | } | |
709 | ||
710 | ||
711 | static int prism2_set_mac_address(struct net_device *dev, void *p) | |
712 | { | |
713 | struct hostap_interface *iface; | |
714 | local_info_t *local; | |
715 | struct list_head *ptr; | |
716 | struct sockaddr *addr = p; | |
717 | ||
718 | iface = netdev_priv(dev); | |
719 | local = iface->local; | |
720 | ||
721 | if (local->func->set_rid(dev, HFA384X_RID_CNFOWNMACADDR, addr->sa_data, | |
722 | ETH_ALEN) < 0 || local->func->reset_port(dev)) | |
723 | return -EINVAL; | |
724 | ||
725 | read_lock_bh(&local->iface_lock); | |
726 | list_for_each(ptr, &local->hostap_interfaces) { | |
727 | iface = list_entry(ptr, struct hostap_interface, list); | |
728 | memcpy(iface->dev->dev_addr, addr->sa_data, ETH_ALEN); | |
729 | } | |
730 | memcpy(local->dev->dev_addr, addr->sa_data, ETH_ALEN); | |
731 | read_unlock_bh(&local->iface_lock); | |
732 | ||
733 | return 0; | |
734 | } | |
735 | ||
736 | ||
737 | /* TODO: to be further implemented as soon as Prism2 fully supports | |
738 | * GroupAddresses and correct documentation is available */ | |
c4028958 | 739 | void hostap_set_multicast_list_queue(struct work_struct *work) |
ff1d2767 | 740 | { |
c4028958 DH |
741 | local_info_t *local = |
742 | container_of(work, local_info_t, set_multicast_list_queue); | |
743 | struct net_device *dev = local->dev; | |
ff1d2767 | 744 | struct hostap_interface *iface; |
ff1d2767 JM |
745 | |
746 | iface = netdev_priv(dev); | |
ff1d2767 JM |
747 | if (hostap_set_word(dev, HFA384X_RID_PROMISCUOUSMODE, |
748 | local->is_promisc)) { | |
749 | printk(KERN_INFO "%s: %sabling promiscuous mode failed\n", | |
750 | dev->name, local->is_promisc ? "en" : "dis"); | |
751 | } | |
752 | } | |
753 | ||
754 | ||
755 | static void hostap_set_multicast_list(struct net_device *dev) | |
756 | { | |
757 | #if 0 | |
758 | /* FIX: promiscuous mode seems to be causing a lot of problems with | |
759 | * some station firmware versions (FCSErr frames, invalid MACPort, etc. | |
760 | * corrupted incoming frames). This code is now commented out while the | |
761 | * problems are investigated. */ | |
762 | struct hostap_interface *iface; | |
763 | local_info_t *local; | |
764 | ||
765 | iface = netdev_priv(dev); | |
766 | local = iface->local; | |
767 | if ((dev->flags & IFF_ALLMULTI) || (dev->flags & IFF_PROMISC)) { | |
768 | local->is_promisc = 1; | |
769 | } else { | |
770 | local->is_promisc = 0; | |
771 | } | |
772 | ||
773 | schedule_work(&local->set_multicast_list_queue); | |
774 | #endif | |
775 | } | |
776 | ||
777 | ||
778 | static int prism2_change_mtu(struct net_device *dev, int new_mtu) | |
779 | { | |
780 | if (new_mtu < PRISM2_MIN_MTU || new_mtu > PRISM2_MAX_MTU) | |
781 | return -EINVAL; | |
782 | ||
783 | dev->mtu = new_mtu; | |
784 | return 0; | |
785 | } | |
786 | ||
787 | ||
788 | static void prism2_tx_timeout(struct net_device *dev) | |
789 | { | |
790 | struct hostap_interface *iface; | |
791 | local_info_t *local; | |
792 | struct hfa384x_regs regs; | |
793 | ||
794 | iface = netdev_priv(dev); | |
795 | local = iface->local; | |
796 | ||
797 | printk(KERN_WARNING "%s Tx timed out! Resetting card\n", dev->name); | |
798 | netif_stop_queue(local->dev); | |
799 | ||
800 | local->func->read_regs(dev, ®s); | |
801 | printk(KERN_DEBUG "%s: CMD=%04x EVSTAT=%04x " | |
802 | "OFFSET0=%04x OFFSET1=%04x SWSUPPORT0=%04x\n", | |
803 | dev->name, regs.cmd, regs.evstat, regs.offset0, regs.offset1, | |
804 | regs.swsupport0); | |
805 | ||
806 | local->func->schedule_reset(local); | |
807 | } | |
808 | ||
3b04ddde SH |
809 | const struct header_ops hostap_80211_ops = { |
810 | .create = eth_header, | |
811 | .rebuild = eth_rebuild_header, | |
812 | .cache = eth_header_cache, | |
813 | .cache_update = eth_header_cache_update, | |
3b04ddde SH |
814 | .parse = hostap_80211_header_parse, |
815 | }; | |
816 | EXPORT_SYMBOL(hostap_80211_ops); | |
ff1d2767 | 817 | |
5ae4efbc SH |
818 | |
819 | static const struct net_device_ops hostap_netdev_ops = { | |
820 | .ndo_start_xmit = hostap_data_start_xmit, | |
821 | ||
822 | .ndo_open = prism2_open, | |
823 | .ndo_stop = prism2_close, | |
824 | .ndo_do_ioctl = hostap_ioctl, | |
825 | .ndo_set_mac_address = prism2_set_mac_address, | |
826 | .ndo_set_multicast_list = hostap_set_multicast_list, | |
827 | .ndo_change_mtu = prism2_change_mtu, | |
828 | .ndo_tx_timeout = prism2_tx_timeout, | |
829 | .ndo_validate_addr = eth_validate_addr, | |
830 | }; | |
831 | ||
832 | static const struct net_device_ops hostap_mgmt_netdev_ops = { | |
833 | .ndo_start_xmit = hostap_mgmt_start_xmit, | |
834 | ||
835 | .ndo_open = prism2_open, | |
836 | .ndo_stop = prism2_close, | |
837 | .ndo_do_ioctl = hostap_ioctl, | |
838 | .ndo_set_mac_address = prism2_set_mac_address, | |
839 | .ndo_set_multicast_list = hostap_set_multicast_list, | |
840 | .ndo_change_mtu = prism2_change_mtu, | |
841 | .ndo_tx_timeout = prism2_tx_timeout, | |
842 | .ndo_validate_addr = eth_validate_addr, | |
843 | }; | |
844 | ||
845 | static const struct net_device_ops hostap_master_ops = { | |
846 | .ndo_start_xmit = hostap_master_start_xmit, | |
847 | ||
848 | .ndo_open = prism2_open, | |
849 | .ndo_stop = prism2_close, | |
850 | .ndo_do_ioctl = hostap_ioctl, | |
851 | .ndo_set_mac_address = prism2_set_mac_address, | |
852 | .ndo_set_multicast_list = hostap_set_multicast_list, | |
853 | .ndo_change_mtu = prism2_change_mtu, | |
854 | .ndo_tx_timeout = prism2_tx_timeout, | |
855 | .ndo_validate_addr = eth_validate_addr, | |
856 | }; | |
857 | ||
ff1d2767 | 858 | void hostap_setup_dev(struct net_device *dev, local_info_t *local, |
09703f5e | 859 | int type) |
ff1d2767 JM |
860 | { |
861 | struct hostap_interface *iface; | |
862 | ||
863 | iface = netdev_priv(dev); | |
864 | ether_setup(dev); | |
865 | ||
866 | /* kernel callbacks */ | |
ff1d2767 JM |
867 | if (iface) { |
868 | /* Currently, we point to the proper spy_data only on | |
869 | * the main_dev. This could be fixed. Jean II */ | |
870 | iface->wireless_data.spy_data = &iface->spy_data; | |
871 | dev->wireless_data = &iface->wireless_data; | |
872 | } | |
5ae4efbc | 873 | dev->wireless_handlers = &hostap_iw_handler_def; |
ff1d2767 JM |
874 | dev->watchdog_timeo = TX_TIMEOUT; |
875 | ||
5ae4efbc SH |
876 | switch(type) { |
877 | case HOSTAP_INTERFACE_AP: | |
e484c16f | 878 | dev->tx_queue_len = 0; /* use main radio device queue */ |
5ae4efbc | 879 | dev->netdev_ops = &hostap_mgmt_netdev_ops; |
09703f5e DD |
880 | dev->type = ARPHRD_IEEE80211; |
881 | dev->header_ops = &hostap_80211_ops; | |
5ae4efbc SH |
882 | break; |
883 | case HOSTAP_INTERFACE_MASTER: | |
5ae4efbc SH |
884 | dev->netdev_ops = &hostap_master_ops; |
885 | break; | |
886 | default: | |
e484c16f | 887 | dev->tx_queue_len = 0; /* use main radio device queue */ |
5ae4efbc | 888 | dev->netdev_ops = &hostap_netdev_ops; |
09703f5e DD |
889 | } |
890 | ||
ff1d2767 | 891 | dev->mtu = local->mtu; |
5ae4efbc | 892 | |
ff1d2767 JM |
893 | |
894 | SET_ETHTOOL_OPS(dev, &prism2_ethtool_ops); | |
895 | ||
896 | netif_stop_queue(dev); | |
897 | } | |
898 | ||
ff1d2767 JM |
899 | static int hostap_enable_hostapd(local_info_t *local, int rtnl_locked) |
900 | { | |
901 | struct net_device *dev = local->dev; | |
902 | ||
903 | if (local->apdev) | |
904 | return -EEXIST; | |
905 | ||
906 | printk(KERN_DEBUG "%s: enabling hostapd mode\n", dev->name); | |
907 | ||
908 | local->apdev = hostap_add_interface(local, HOSTAP_INTERFACE_AP, | |
909 | rtnl_locked, local->ddev->name, | |
910 | "ap"); | |
911 | if (local->apdev == NULL) | |
912 | return -ENOMEM; | |
913 | ||
ff1d2767 JM |
914 | return 0; |
915 | } | |
916 | ||
917 | ||
918 | static int hostap_disable_hostapd(local_info_t *local, int rtnl_locked) | |
919 | { | |
920 | struct net_device *dev = local->dev; | |
921 | ||
922 | printk(KERN_DEBUG "%s: disabling hostapd mode\n", dev->name); | |
923 | ||
924 | hostap_remove_interface(local->apdev, rtnl_locked, 1); | |
925 | local->apdev = NULL; | |
926 | ||
927 | return 0; | |
928 | } | |
929 | ||
930 | ||
931 | static int hostap_enable_hostapd_sta(local_info_t *local, int rtnl_locked) | |
932 | { | |
933 | struct net_device *dev = local->dev; | |
934 | ||
935 | if (local->stadev) | |
936 | return -EEXIST; | |
937 | ||
938 | printk(KERN_DEBUG "%s: enabling hostapd STA mode\n", dev->name); | |
939 | ||
940 | local->stadev = hostap_add_interface(local, HOSTAP_INTERFACE_STA, | |
941 | rtnl_locked, local->ddev->name, | |
942 | "sta"); | |
943 | if (local->stadev == NULL) | |
944 | return -ENOMEM; | |
945 | ||
946 | return 0; | |
947 | } | |
948 | ||
949 | ||
950 | static int hostap_disable_hostapd_sta(local_info_t *local, int rtnl_locked) | |
951 | { | |
952 | struct net_device *dev = local->dev; | |
953 | ||
954 | printk(KERN_DEBUG "%s: disabling hostapd mode\n", dev->name); | |
955 | ||
956 | hostap_remove_interface(local->stadev, rtnl_locked, 1); | |
957 | local->stadev = NULL; | |
958 | ||
959 | return 0; | |
960 | } | |
961 | ||
962 | ||
963 | int hostap_set_hostapd(local_info_t *local, int val, int rtnl_locked) | |
964 | { | |
965 | int ret; | |
966 | ||
967 | if (val < 0 || val > 1) | |
968 | return -EINVAL; | |
969 | ||
970 | if (local->hostapd == val) | |
971 | return 0; | |
972 | ||
973 | if (val) { | |
974 | ret = hostap_enable_hostapd(local, rtnl_locked); | |
975 | if (ret == 0) | |
976 | local->hostapd = 1; | |
977 | } else { | |
978 | local->hostapd = 0; | |
979 | ret = hostap_disable_hostapd(local, rtnl_locked); | |
980 | if (ret != 0) | |
981 | local->hostapd = 1; | |
982 | } | |
983 | ||
984 | return ret; | |
985 | } | |
986 | ||
987 | ||
988 | int hostap_set_hostapd_sta(local_info_t *local, int val, int rtnl_locked) | |
989 | { | |
990 | int ret; | |
991 | ||
992 | if (val < 0 || val > 1) | |
993 | return -EINVAL; | |
994 | ||
995 | if (local->hostapd_sta == val) | |
996 | return 0; | |
997 | ||
998 | if (val) { | |
999 | ret = hostap_enable_hostapd_sta(local, rtnl_locked); | |
1000 | if (ret == 0) | |
1001 | local->hostapd_sta = 1; | |
1002 | } else { | |
1003 | local->hostapd_sta = 0; | |
1004 | ret = hostap_disable_hostapd_sta(local, rtnl_locked); | |
1005 | if (ret != 0) | |
1006 | local->hostapd_sta = 1; | |
1007 | } | |
1008 | ||
1009 | ||
1010 | return ret; | |
1011 | } | |
1012 | ||
1013 | ||
1014 | int prism2_update_comms_qual(struct net_device *dev) | |
1015 | { | |
1016 | struct hostap_interface *iface; | |
1017 | local_info_t *local; | |
1018 | int ret = 0; | |
1019 | struct hfa384x_comms_quality sq; | |
1020 | ||
1021 | iface = netdev_priv(dev); | |
1022 | local = iface->local; | |
1023 | if (!local->sta_fw_ver) | |
1024 | ret = -1; | |
1025 | else if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) { | |
1026 | if (local->func->get_rid(local->dev, | |
1027 | HFA384X_RID_DBMCOMMSQUALITY, | |
1028 | &sq, sizeof(sq), 1) >= 0) { | |
1029 | local->comms_qual = (s16) le16_to_cpu(sq.comm_qual); | |
1030 | local->avg_signal = (s16) le16_to_cpu(sq.signal_level); | |
1031 | local->avg_noise = (s16) le16_to_cpu(sq.noise_level); | |
1032 | local->last_comms_qual_update = jiffies; | |
1033 | } else | |
1034 | ret = -1; | |
1035 | } else { | |
1036 | if (local->func->get_rid(local->dev, HFA384X_RID_COMMSQUALITY, | |
1037 | &sq, sizeof(sq), 1) >= 0) { | |
1038 | local->comms_qual = le16_to_cpu(sq.comm_qual); | |
1039 | local->avg_signal = HFA384X_LEVEL_TO_dBm( | |
1040 | le16_to_cpu(sq.signal_level)); | |
1041 | local->avg_noise = HFA384X_LEVEL_TO_dBm( | |
1042 | le16_to_cpu(sq.noise_level)); | |
1043 | local->last_comms_qual_update = jiffies; | |
1044 | } else | |
1045 | ret = -1; | |
1046 | } | |
1047 | ||
1048 | return ret; | |
1049 | } | |
1050 | ||
1051 | ||
4339d328 | 1052 | int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype, |
ff1d2767 JM |
1053 | u8 *body, size_t bodylen) |
1054 | { | |
1055 | struct sk_buff *skb; | |
1056 | struct hostap_ieee80211_mgmt *mgmt; | |
1057 | struct hostap_skb_tx_data *meta; | |
1058 | struct net_device *dev = local->dev; | |
1059 | ||
1060 | skb = dev_alloc_skb(IEEE80211_MGMT_HDR_LEN + bodylen); | |
1061 | if (skb == NULL) | |
1062 | return -ENOMEM; | |
1063 | ||
1064 | mgmt = (struct hostap_ieee80211_mgmt *) | |
1065 | skb_put(skb, IEEE80211_MGMT_HDR_LEN); | |
1066 | memset(mgmt, 0, IEEE80211_MGMT_HDR_LEN); | |
4339d328 | 1067 | mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | stype); |
ff1d2767 JM |
1068 | memcpy(mgmt->da, dst, ETH_ALEN); |
1069 | memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); | |
1070 | memcpy(mgmt->bssid, dst, ETH_ALEN); | |
1071 | if (body) | |
1072 | memcpy(skb_put(skb, bodylen), body, bodylen); | |
1073 | ||
1074 | meta = (struct hostap_skb_tx_data *) skb->cb; | |
1075 | memset(meta, 0, sizeof(*meta)); | |
1076 | meta->magic = HOSTAP_SKB_TX_DATA_MAGIC; | |
1077 | meta->iface = netdev_priv(dev); | |
1078 | ||
1079 | skb->dev = dev; | |
459a98ed | 1080 | skb_reset_mac_header(skb); |
c1d2bbe1 | 1081 | skb_reset_network_header(skb); |
ff1d2767 JM |
1082 | dev_queue_xmit(skb); |
1083 | ||
1084 | return 0; | |
1085 | } | |
1086 | ||
1087 | ||
1088 | int prism2_sta_deauth(local_info_t *local, u16 reason) | |
1089 | { | |
1090 | union iwreq_data wrqu; | |
1091 | int ret; | |
8a9faf3c | 1092 | __le16 val = cpu_to_le16(reason); |
ff1d2767 JM |
1093 | |
1094 | if (local->iw_mode != IW_MODE_INFRA || | |
1095 | memcmp(local->bssid, "\x00\x00\x00\x00\x00\x00", ETH_ALEN) == 0 || | |
1096 | memcmp(local->bssid, "\x44\x44\x44\x44\x44\x44", ETH_ALEN) == 0) | |
1097 | return 0; | |
1098 | ||
4339d328 | 1099 | ret = prism2_sta_send_mgmt(local, local->bssid, IEEE80211_STYPE_DEAUTH, |
8a9faf3c | 1100 | (u8 *) &val, 2); |
ff1d2767 JM |
1101 | memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); |
1102 | wireless_send_event(local->dev, SIOCGIWAP, &wrqu, NULL); | |
1103 | return ret; | |
1104 | } | |
1105 | ||
1106 | ||
1107 | struct proc_dir_entry *hostap_proc; | |
1108 | ||
1109 | static int __init hostap_init(void) | |
1110 | { | |
457c4cbc EB |
1111 | if (init_net.proc_net != NULL) { |
1112 | hostap_proc = proc_mkdir("hostap", init_net.proc_net); | |
ff1d2767 JM |
1113 | if (!hostap_proc) |
1114 | printk(KERN_WARNING "Failed to mkdir " | |
1115 | "/proc/net/hostap\n"); | |
1116 | } else | |
1117 | hostap_proc = NULL; | |
1118 | ||
1119 | return 0; | |
1120 | } | |
1121 | ||
1122 | ||
1123 | static void __exit hostap_exit(void) | |
1124 | { | |
1125 | if (hostap_proc != NULL) { | |
1126 | hostap_proc = NULL; | |
457c4cbc | 1127 | remove_proc_entry("hostap", init_net.proc_net); |
ff1d2767 | 1128 | } |
ff1d2767 JM |
1129 | } |
1130 | ||
1131 | ||
1132 | EXPORT_SYMBOL(hostap_set_word); | |
1133 | EXPORT_SYMBOL(hostap_set_string); | |
1134 | EXPORT_SYMBOL(hostap_get_porttype); | |
1135 | EXPORT_SYMBOL(hostap_set_encryption); | |
1136 | EXPORT_SYMBOL(hostap_set_antsel); | |
1137 | EXPORT_SYMBOL(hostap_set_roaming); | |
1138 | EXPORT_SYMBOL(hostap_set_auth_algs); | |
1139 | EXPORT_SYMBOL(hostap_dump_rx_header); | |
1140 | EXPORT_SYMBOL(hostap_dump_tx_header); | |
ff1d2767 | 1141 | EXPORT_SYMBOL(hostap_80211_get_hdrlen); |
ff1d2767 | 1142 | EXPORT_SYMBOL(hostap_setup_dev); |
ff1d2767 JM |
1143 | EXPORT_SYMBOL(hostap_set_multicast_list_queue); |
1144 | EXPORT_SYMBOL(hostap_set_hostapd); | |
1145 | EXPORT_SYMBOL(hostap_set_hostapd_sta); | |
1146 | EXPORT_SYMBOL(hostap_add_interface); | |
1147 | EXPORT_SYMBOL(hostap_remove_interface); | |
1148 | EXPORT_SYMBOL(prism2_update_comms_qual); | |
1149 | ||
1150 | module_init(hostap_init); | |
1151 | module_exit(hostap_exit); |