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; | |
db181347 | 69 | eth_hw_addr_inherit(dev, mdev); |
ff1d2767 JM |
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 | ||
43cb76d9 | 82 | SET_NETDEV_DEV(dev, mdev->dev.parent); |
1c5cae81 | 83 | ret = register_netdevice(dev); |
ff1d2767 JM |
84 | |
85 | if (!rtnl_locked) | |
86 | rtnl_unlock(); | |
87 | ||
88 | if (ret < 0) { | |
89 | printk(KERN_WARNING "%s: failed to add new netdevice!\n", | |
90 | dev->name); | |
91 | free_netdev(dev); | |
92 | return NULL; | |
93 | } | |
94 | ||
95 | printk(KERN_DEBUG "%s: registered netdevice %s\n", | |
96 | mdev->name, dev->name); | |
97 | ||
98 | return dev; | |
99 | } | |
100 | ||
101 | ||
102 | void hostap_remove_interface(struct net_device *dev, int rtnl_locked, | |
103 | int remove_from_list) | |
104 | { | |
105 | struct hostap_interface *iface; | |
106 | ||
107 | if (!dev) | |
108 | return; | |
109 | ||
110 | iface = netdev_priv(dev); | |
111 | ||
112 | if (remove_from_list) { | |
113 | list_del(&iface->list); | |
114 | } | |
115 | ||
116 | if (dev == iface->local->ddev) | |
117 | iface->local->ddev = NULL; | |
118 | else if (dev == iface->local->apdev) | |
119 | iface->local->apdev = NULL; | |
120 | else if (dev == iface->local->stadev) | |
121 | iface->local->stadev = NULL; | |
122 | ||
123 | if (rtnl_locked) | |
124 | unregister_netdevice(dev); | |
125 | else | |
126 | unregister_netdev(dev); | |
127 | ||
128 | /* dev->destructor = free_netdev() will free the device data, including | |
129 | * private data, when removing the device */ | |
130 | } | |
131 | ||
132 | ||
133 | static inline int prism2_wds_special_addr(u8 *addr) | |
134 | { | |
135 | if (addr[0] || addr[1] || addr[2] || addr[3] || addr[4] || addr[5]) | |
136 | return 0; | |
137 | ||
138 | return 1; | |
139 | } | |
140 | ||
141 | ||
5fad5a2e AB |
142 | int prism2_wds_add(local_info_t *local, u8 *remote_addr, |
143 | int rtnl_locked) | |
ff1d2767 JM |
144 | { |
145 | struct net_device *dev; | |
146 | struct list_head *ptr; | |
147 | struct hostap_interface *iface, *empty, *match; | |
148 | ||
149 | empty = match = NULL; | |
150 | read_lock_bh(&local->iface_lock); | |
151 | list_for_each(ptr, &local->hostap_interfaces) { | |
152 | iface = list_entry(ptr, struct hostap_interface, list); | |
153 | if (iface->type != HOSTAP_INTERFACE_WDS) | |
154 | continue; | |
155 | ||
156 | if (prism2_wds_special_addr(iface->u.wds.remote_addr)) | |
157 | empty = iface; | |
d22fbd70 | 158 | else if (ether_addr_equal(iface->u.wds.remote_addr, remote_addr)) { |
ff1d2767 JM |
159 | match = iface; |
160 | break; | |
161 | } | |
162 | } | |
163 | if (!match && empty && !prism2_wds_special_addr(remote_addr)) { | |
164 | /* take pre-allocated entry into use */ | |
165 | memcpy(empty->u.wds.remote_addr, remote_addr, ETH_ALEN); | |
166 | read_unlock_bh(&local->iface_lock); | |
167 | printk(KERN_DEBUG "%s: using pre-allocated WDS netdevice %s\n", | |
168 | local->dev->name, empty->dev->name); | |
169 | return 0; | |
170 | } | |
171 | read_unlock_bh(&local->iface_lock); | |
172 | ||
173 | if (!prism2_wds_special_addr(remote_addr)) { | |
174 | if (match) | |
175 | return -EEXIST; | |
176 | hostap_add_sta(local->ap, remote_addr); | |
177 | } | |
178 | ||
179 | if (local->wds_connections >= local->wds_max_connections) | |
180 | return -ENOBUFS; | |
181 | ||
182 | /* verify that there is room for wds# postfix in the interface name */ | |
8b967e41 | 183 | if (strlen(local->dev->name) >= IFNAMSIZ - 5) { |
ff1d2767 JM |
184 | printk(KERN_DEBUG "'%s' too long base device name\n", |
185 | local->dev->name); | |
186 | return -EINVAL; | |
187 | } | |
188 | ||
189 | dev = hostap_add_interface(local, HOSTAP_INTERFACE_WDS, rtnl_locked, | |
190 | local->ddev->name, "wds%d"); | |
191 | if (dev == NULL) | |
192 | return -ENOMEM; | |
193 | ||
194 | iface = netdev_priv(dev); | |
195 | memcpy(iface->u.wds.remote_addr, remote_addr, ETH_ALEN); | |
196 | ||
197 | local->wds_connections++; | |
198 | ||
199 | return 0; | |
200 | } | |
201 | ||
202 | ||
5fad5a2e AB |
203 | int prism2_wds_del(local_info_t *local, u8 *remote_addr, |
204 | int rtnl_locked, int do_not_remove) | |
ff1d2767 JM |
205 | { |
206 | unsigned long flags; | |
207 | struct list_head *ptr; | |
208 | struct hostap_interface *iface, *selected = NULL; | |
209 | ||
210 | write_lock_irqsave(&local->iface_lock, flags); | |
211 | list_for_each(ptr, &local->hostap_interfaces) { | |
212 | iface = list_entry(ptr, struct hostap_interface, list); | |
213 | if (iface->type != HOSTAP_INTERFACE_WDS) | |
214 | continue; | |
215 | ||
d22fbd70 | 216 | if (ether_addr_equal(iface->u.wds.remote_addr, remote_addr)) { |
ff1d2767 JM |
217 | selected = iface; |
218 | break; | |
219 | } | |
220 | } | |
221 | if (selected && !do_not_remove) | |
222 | list_del(&selected->list); | |
223 | write_unlock_irqrestore(&local->iface_lock, flags); | |
224 | ||
225 | if (selected) { | |
226 | if (do_not_remove) | |
93803b33 | 227 | eth_zero_addr(selected->u.wds.remote_addr); |
ff1d2767 JM |
228 | else { |
229 | hostap_remove_interface(selected->dev, rtnl_locked, 0); | |
230 | local->wds_connections--; | |
231 | } | |
232 | } | |
233 | ||
234 | return selected ? 0 : -ENODEV; | |
235 | } | |
236 | ||
237 | ||
238 | u16 hostap_tx_callback_register(local_info_t *local, | |
239 | void (*func)(struct sk_buff *, int ok, void *), | |
240 | void *data) | |
241 | { | |
242 | unsigned long flags; | |
243 | struct hostap_tx_callback_info *entry; | |
244 | ||
579b0637 | 245 | entry = kmalloc(sizeof(*entry), GFP_KERNEL); |
ff1d2767 JM |
246 | if (entry == NULL) |
247 | return 0; | |
248 | ||
249 | entry->func = func; | |
250 | entry->data = data; | |
251 | ||
252 | spin_lock_irqsave(&local->lock, flags); | |
253 | entry->idx = local->tx_callback ? local->tx_callback->idx + 1 : 1; | |
254 | entry->next = local->tx_callback; | |
255 | local->tx_callback = entry; | |
256 | spin_unlock_irqrestore(&local->lock, flags); | |
257 | ||
258 | return entry->idx; | |
259 | } | |
260 | ||
261 | ||
262 | int hostap_tx_callback_unregister(local_info_t *local, u16 idx) | |
263 | { | |
264 | unsigned long flags; | |
265 | struct hostap_tx_callback_info *cb, *prev = NULL; | |
266 | ||
267 | spin_lock_irqsave(&local->lock, flags); | |
268 | cb = local->tx_callback; | |
269 | while (cb != NULL && cb->idx != idx) { | |
270 | prev = cb; | |
271 | cb = cb->next; | |
272 | } | |
273 | if (cb) { | |
274 | if (prev == NULL) | |
275 | local->tx_callback = cb->next; | |
276 | else | |
277 | prev->next = cb->next; | |
278 | kfree(cb); | |
279 | } | |
280 | spin_unlock_irqrestore(&local->lock, flags); | |
281 | ||
282 | return cb ? 0 : -1; | |
283 | } | |
284 | ||
285 | ||
286 | /* val is in host byte order */ | |
287 | int hostap_set_word(struct net_device *dev, int rid, u16 val) | |
288 | { | |
289 | struct hostap_interface *iface; | |
8a9faf3c | 290 | __le16 tmp = cpu_to_le16(val); |
ff1d2767 JM |
291 | iface = netdev_priv(dev); |
292 | return iface->local->func->set_rid(dev, rid, &tmp, 2); | |
293 | } | |
294 | ||
295 | ||
296 | int hostap_set_string(struct net_device *dev, int rid, const char *val) | |
297 | { | |
298 | struct hostap_interface *iface; | |
299 | char buf[MAX_SSID_LEN + 2]; | |
300 | int len; | |
301 | ||
302 | iface = netdev_priv(dev); | |
303 | len = strlen(val); | |
304 | if (len > MAX_SSID_LEN) | |
305 | return -1; | |
306 | memset(buf, 0, sizeof(buf)); | |
307 | buf[0] = len; /* little endian 16 bit word */ | |
308 | memcpy(buf + 2, val, len); | |
309 | ||
310 | return iface->local->func->set_rid(dev, rid, &buf, MAX_SSID_LEN + 2); | |
311 | } | |
312 | ||
313 | ||
314 | u16 hostap_get_porttype(local_info_t *local) | |
315 | { | |
316 | if (local->iw_mode == IW_MODE_ADHOC && local->pseudo_adhoc) | |
317 | return HFA384X_PORTTYPE_PSEUDO_IBSS; | |
318 | if (local->iw_mode == IW_MODE_ADHOC) | |
319 | return HFA384X_PORTTYPE_IBSS; | |
320 | if (local->iw_mode == IW_MODE_INFRA) | |
321 | return HFA384X_PORTTYPE_BSS; | |
322 | if (local->iw_mode == IW_MODE_REPEAT) | |
323 | return HFA384X_PORTTYPE_WDS; | |
324 | if (local->iw_mode == IW_MODE_MONITOR) | |
325 | return HFA384X_PORTTYPE_PSEUDO_IBSS; | |
326 | return HFA384X_PORTTYPE_HOSTAP; | |
327 | } | |
328 | ||
329 | ||
330 | int hostap_set_encryption(local_info_t *local) | |
331 | { | |
332 | u16 val, old_val; | |
333 | int i, keylen, len, idx; | |
334 | char keybuf[WEP_KEY_LEN + 1]; | |
335 | enum { NONE, WEP, OTHER } encrypt_type; | |
336 | ||
274bfb8d JL |
337 | idx = local->crypt_info.tx_keyidx; |
338 | if (local->crypt_info.crypt[idx] == NULL || | |
339 | local->crypt_info.crypt[idx]->ops == NULL) | |
ff1d2767 | 340 | encrypt_type = NONE; |
274bfb8d | 341 | else if (strcmp(local->crypt_info.crypt[idx]->ops->name, "WEP") == 0) |
ff1d2767 JM |
342 | encrypt_type = WEP; |
343 | else | |
344 | encrypt_type = OTHER; | |
345 | ||
346 | if (local->func->get_rid(local->dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, | |
347 | 1) < 0) { | |
348 | printk(KERN_DEBUG "Could not read current WEP flags.\n"); | |
349 | goto fail; | |
350 | } | |
351 | le16_to_cpus(&val); | |
352 | old_val = val; | |
353 | ||
354 | if (encrypt_type != NONE || local->privacy_invoked) | |
355 | val |= HFA384X_WEPFLAGS_PRIVACYINVOKED; | |
356 | else | |
357 | val &= ~HFA384X_WEPFLAGS_PRIVACYINVOKED; | |
358 | ||
359 | if (local->open_wep || encrypt_type == NONE || | |
360 | ((local->ieee_802_1x || local->wpa) && local->host_decrypt)) | |
361 | val &= ~HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED; | |
362 | else | |
363 | val |= HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED; | |
364 | ||
365 | if ((encrypt_type != NONE || local->privacy_invoked) && | |
366 | (encrypt_type == OTHER || local->host_encrypt)) | |
367 | val |= HFA384X_WEPFLAGS_HOSTENCRYPT; | |
368 | else | |
369 | val &= ~HFA384X_WEPFLAGS_HOSTENCRYPT; | |
370 | if ((encrypt_type != NONE || local->privacy_invoked) && | |
371 | (encrypt_type == OTHER || local->host_decrypt)) | |
372 | val |= HFA384X_WEPFLAGS_HOSTDECRYPT; | |
373 | else | |
374 | val &= ~HFA384X_WEPFLAGS_HOSTDECRYPT; | |
375 | ||
376 | if (val != old_val && | |
377 | hostap_set_word(local->dev, HFA384X_RID_CNFWEPFLAGS, val)) { | |
378 | printk(KERN_DEBUG "Could not write new WEP flags (0x%x)\n", | |
379 | val); | |
380 | goto fail; | |
381 | } | |
382 | ||
383 | if (encrypt_type != WEP) | |
384 | return 0; | |
385 | ||
386 | /* 104-bit support seems to require that all the keys are set to the | |
387 | * same keylen */ | |
388 | keylen = 6; /* first 5 octets */ | |
274bfb8d JL |
389 | len = local->crypt_info.crypt[idx]->ops->get_key(keybuf, sizeof(keybuf), NULL, |
390 | local->crypt_info.crypt[idx]->priv); | |
ff1d2767 JM |
391 | if (idx >= 0 && idx < WEP_KEYS && len > 5) |
392 | keylen = WEP_KEY_LEN + 1; /* first 13 octets */ | |
393 | ||
394 | for (i = 0; i < WEP_KEYS; i++) { | |
395 | memset(keybuf, 0, sizeof(keybuf)); | |
274bfb8d JL |
396 | if (local->crypt_info.crypt[i]) { |
397 | (void) local->crypt_info.crypt[i]->ops->get_key( | |
ff1d2767 | 398 | keybuf, sizeof(keybuf), |
274bfb8d | 399 | NULL, local->crypt_info.crypt[i]->priv); |
ff1d2767 JM |
400 | } |
401 | if (local->func->set_rid(local->dev, | |
402 | HFA384X_RID_CNFDEFAULTKEY0 + i, | |
403 | keybuf, keylen)) { | |
404 | printk(KERN_DEBUG "Could not set key %d (len=%d)\n", | |
405 | i, keylen); | |
406 | goto fail; | |
407 | } | |
408 | } | |
409 | if (hostap_set_word(local->dev, HFA384X_RID_CNFWEPDEFAULTKEYID, idx)) { | |
410 | printk(KERN_DEBUG "Could not set default keyid %d\n", idx); | |
411 | goto fail; | |
412 | } | |
413 | ||
414 | return 0; | |
415 | ||
416 | fail: | |
417 | printk(KERN_DEBUG "%s: encryption setup failed\n", local->dev->name); | |
418 | return -1; | |
419 | } | |
420 | ||
421 | ||
422 | int hostap_set_antsel(local_info_t *local) | |
423 | { | |
424 | u16 val; | |
425 | int ret = 0; | |
426 | ||
427 | if (local->antsel_tx != HOSTAP_ANTSEL_DO_NOT_TOUCH && | |
428 | local->func->cmd(local->dev, HFA384X_CMDCODE_READMIF, | |
429 | HFA386X_CR_TX_CONFIGURE, | |
430 | NULL, &val) == 0) { | |
431 | val &= ~(BIT(2) | BIT(1)); | |
432 | switch (local->antsel_tx) { | |
433 | case HOSTAP_ANTSEL_DIVERSITY: | |
434 | val |= BIT(1); | |
435 | break; | |
436 | case HOSTAP_ANTSEL_LOW: | |
437 | break; | |
438 | case HOSTAP_ANTSEL_HIGH: | |
439 | val |= BIT(2); | |
440 | break; | |
441 | } | |
442 | ||
443 | if (local->func->cmd(local->dev, HFA384X_CMDCODE_WRITEMIF, | |
444 | HFA386X_CR_TX_CONFIGURE, &val, NULL)) { | |
445 | printk(KERN_INFO "%s: setting TX AntSel failed\n", | |
446 | local->dev->name); | |
447 | ret = -1; | |
448 | } | |
449 | } | |
450 | ||
451 | if (local->antsel_rx != HOSTAP_ANTSEL_DO_NOT_TOUCH && | |
452 | local->func->cmd(local->dev, HFA384X_CMDCODE_READMIF, | |
453 | HFA386X_CR_RX_CONFIGURE, | |
454 | NULL, &val) == 0) { | |
455 | val &= ~(BIT(1) | BIT(0)); | |
456 | switch (local->antsel_rx) { | |
457 | case HOSTAP_ANTSEL_DIVERSITY: | |
458 | break; | |
459 | case HOSTAP_ANTSEL_LOW: | |
460 | val |= BIT(0); | |
461 | break; | |
462 | case HOSTAP_ANTSEL_HIGH: | |
463 | val |= BIT(0) | BIT(1); | |
464 | break; | |
465 | } | |
466 | ||
467 | if (local->func->cmd(local->dev, HFA384X_CMDCODE_WRITEMIF, | |
468 | HFA386X_CR_RX_CONFIGURE, &val, NULL)) { | |
469 | printk(KERN_INFO "%s: setting RX AntSel failed\n", | |
470 | local->dev->name); | |
471 | ret = -1; | |
472 | } | |
473 | } | |
474 | ||
475 | return ret; | |
476 | } | |
477 | ||
478 | ||
479 | int hostap_set_roaming(local_info_t *local) | |
480 | { | |
481 | u16 val; | |
482 | ||
483 | switch (local->host_roaming) { | |
484 | case 1: | |
485 | val = HFA384X_ROAMING_HOST; | |
486 | break; | |
487 | case 2: | |
488 | val = HFA384X_ROAMING_DISABLED; | |
489 | break; | |
490 | case 0: | |
491 | default: | |
492 | val = HFA384X_ROAMING_FIRMWARE; | |
493 | break; | |
494 | } | |
495 | ||
496 | return hostap_set_word(local->dev, HFA384X_RID_CNFROAMINGMODE, val); | |
497 | } | |
498 | ||
499 | ||
500 | int hostap_set_auth_algs(local_info_t *local) | |
501 | { | |
502 | int val = local->auth_algs; | |
503 | /* At least STA f/w v0.6.2 seems to have issues with cnfAuthentication | |
504 | * set to include both Open and Shared Key flags. It tries to use | |
505 | * Shared Key authentication in that case even if WEP keys are not | |
506 | * configured.. STA f/w v0.7.6 is able to handle such configuration, | |
507 | * but it is unknown when this was fixed between 0.6.2 .. 0.7.6. */ | |
508 | if (local->sta_fw_ver < PRISM2_FW_VER(0,7,0) && | |
509 | val != PRISM2_AUTH_OPEN && val != PRISM2_AUTH_SHARED_KEY) | |
510 | val = PRISM2_AUTH_OPEN; | |
511 | ||
512 | if (hostap_set_word(local->dev, HFA384X_RID_CNFAUTHENTICATION, val)) { | |
513 | printk(KERN_INFO "%s: cnfAuthentication setting to 0x%x " | |
514 | "failed\n", local->dev->name, local->auth_algs); | |
515 | return -EINVAL; | |
516 | } | |
517 | ||
518 | return 0; | |
519 | } | |
520 | ||
521 | ||
522 | void hostap_dump_rx_header(const char *name, const struct hfa384x_rx_frame *rx) | |
523 | { | |
524 | u16 status, fc; | |
525 | ||
526 | status = __le16_to_cpu(rx->status); | |
527 | ||
528 | printk(KERN_DEBUG "%s: RX status=0x%04x (port=%d, type=%d, " | |
529 | "fcserr=%d) silence=%d signal=%d rate=%d rxflow=%d; " | |
530 | "jiffies=%ld\n", | |
531 | name, status, (status >> 8) & 0x07, status >> 13, status & 1, | |
532 | rx->silence, rx->signal, rx->rate, rx->rxflow, jiffies); | |
533 | ||
534 | fc = __le16_to_cpu(rx->frame_control); | |
535 | printk(KERN_DEBUG " FC=0x%04x (type=%d:%d) dur=0x%04x seq=0x%04x " | |
536 | "data_len=%d%s%s\n", | |
1ea893fd DW |
537 | fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, |
538 | (fc & IEEE80211_FCTL_STYPE) >> 4, | |
ff1d2767 JM |
539 | __le16_to_cpu(rx->duration_id), __le16_to_cpu(rx->seq_ctrl), |
540 | __le16_to_cpu(rx->data_len), | |
b2f4a2e3 JM |
541 | fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", |
542 | fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); | |
ff1d2767 | 543 | |
e174961c JB |
544 | printk(KERN_DEBUG " A1=%pM A2=%pM A3=%pM A4=%pM\n", |
545 | rx->addr1, rx->addr2, rx->addr3, rx->addr4); | |
ff1d2767 | 546 | |
e174961c JB |
547 | printk(KERN_DEBUG " dst=%pM src=%pM len=%d\n", |
548 | rx->dst_addr, rx->src_addr, | |
ff1d2767 JM |
549 | __be16_to_cpu(rx->len)); |
550 | } | |
551 | ||
552 | ||
553 | void hostap_dump_tx_header(const char *name, const struct hfa384x_tx_frame *tx) | |
554 | { | |
555 | u16 fc; | |
556 | ||
557 | printk(KERN_DEBUG "%s: TX status=0x%04x retry_count=%d tx_rate=%d " | |
558 | "tx_control=0x%04x; jiffies=%ld\n", | |
559 | name, __le16_to_cpu(tx->status), tx->retry_count, tx->tx_rate, | |
560 | __le16_to_cpu(tx->tx_control), jiffies); | |
561 | ||
562 | fc = __le16_to_cpu(tx->frame_control); | |
563 | printk(KERN_DEBUG " FC=0x%04x (type=%d:%d) dur=0x%04x seq=0x%04x " | |
564 | "data_len=%d%s%s\n", | |
1ea893fd DW |
565 | fc, (fc & IEEE80211_FCTL_FTYPE) >> 2, |
566 | (fc & IEEE80211_FCTL_STYPE) >> 4, | |
ff1d2767 JM |
567 | __le16_to_cpu(tx->duration_id), __le16_to_cpu(tx->seq_ctrl), |
568 | __le16_to_cpu(tx->data_len), | |
b2f4a2e3 JM |
569 | fc & IEEE80211_FCTL_TODS ? " [ToDS]" : "", |
570 | fc & IEEE80211_FCTL_FROMDS ? " [FromDS]" : ""); | |
ff1d2767 | 571 | |
e174961c JB |
572 | printk(KERN_DEBUG " A1=%pM A2=%pM A3=%pM A4=%pM\n", |
573 | tx->addr1, tx->addr2, tx->addr3, tx->addr4); | |
ff1d2767 | 574 | |
e174961c JB |
575 | printk(KERN_DEBUG " dst=%pM src=%pM len=%d\n", |
576 | tx->dst_addr, tx->src_addr, | |
ff1d2767 JM |
577 | __be16_to_cpu(tx->len)); |
578 | } | |
579 | ||
580 | ||
1bcca3c4 PR |
581 | static int hostap_80211_header_parse(const struct sk_buff *skb, |
582 | unsigned char *haddr) | |
ff1d2767 | 583 | { |
b53a5dab | 584 | memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */ |
ff1d2767 JM |
585 | return ETH_ALEN; |
586 | } | |
587 | ||
588 | ||
1ea893fd | 589 | int hostap_80211_get_hdrlen(__le16 fc) |
ff1d2767 | 590 | { |
1ea893fd DW |
591 | if (ieee80211_is_data(fc) && ieee80211_has_a4 (fc)) |
592 | return 30; /* Addr4 */ | |
593 | else if (ieee80211_is_cts(fc) || ieee80211_is_ack(fc)) | |
594 | return 10; | |
595 | else if (ieee80211_is_ctl(fc)) | |
596 | return 16; | |
597 | ||
598 | return 24; | |
ff1d2767 JM |
599 | } |
600 | ||
601 | ||
ff1d2767 JM |
602 | static int prism2_close(struct net_device *dev) |
603 | { | |
604 | struct hostap_interface *iface; | |
605 | local_info_t *local; | |
606 | ||
607 | PDEBUG(DEBUG_FLOW, "%s: prism2_close\n", dev->name); | |
608 | ||
609 | iface = netdev_priv(dev); | |
610 | local = iface->local; | |
611 | ||
612 | if (dev == local->ddev) { | |
613 | prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING); | |
614 | } | |
615 | #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT | |
616 | if (!local->hostapd && dev == local->dev && | |
617 | (!local->func->card_present || local->func->card_present(local)) && | |
618 | local->hw_ready && local->ap && local->iw_mode == IW_MODE_MASTER) | |
619 | hostap_deauth_all_stas(dev, local->ap, 1); | |
620 | #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ | |
621 | ||
ff1d2767 JM |
622 | if (dev == local->dev) { |
623 | local->func->hw_shutdown(dev, HOSTAP_HW_ENABLE_CMDCOMPL); | |
624 | } | |
625 | ||
626 | if (netif_running(dev)) { | |
627 | netif_stop_queue(dev); | |
628 | netif_device_detach(dev); | |
629 | } | |
630 | ||
4bb073c0 DM |
631 | cancel_work_sync(&local->reset_queue); |
632 | cancel_work_sync(&local->set_multicast_list_queue); | |
633 | cancel_work_sync(&local->set_tim_queue); | |
634 | #ifndef PRISM2_NO_STATION_MODES | |
635 | cancel_work_sync(&local->info_queue); | |
636 | #endif | |
637 | cancel_work_sync(&local->comms_qual_update); | |
ff1d2767 JM |
638 | |
639 | module_put(local->hw_module); | |
640 | ||
641 | local->num_dev_open--; | |
642 | ||
643 | if (dev != local->dev && local->dev->flags & IFF_UP && | |
644 | local->master_dev_auto_open && local->num_dev_open == 1) { | |
645 | /* Close master radio interface automatically if it was also | |
646 | * opened automatically and we are now closing the last | |
647 | * remaining non-master device. */ | |
648 | dev_close(local->dev); | |
649 | } | |
650 | ||
651 | return 0; | |
652 | } | |
653 | ||
654 | ||
655 | static int prism2_open(struct net_device *dev) | |
656 | { | |
657 | struct hostap_interface *iface; | |
658 | local_info_t *local; | |
659 | ||
660 | PDEBUG(DEBUG_FLOW, "%s: prism2_open\n", dev->name); | |
661 | ||
662 | iface = netdev_priv(dev); | |
663 | local = iface->local; | |
664 | ||
665 | if (local->no_pri) { | |
666 | printk(KERN_DEBUG "%s: could not set interface UP - no PRI " | |
667 | "f/w\n", dev->name); | |
0cbe8c87 | 668 | return -ENODEV; |
ff1d2767 JM |
669 | } |
670 | ||
671 | if ((local->func->card_present && !local->func->card_present(local)) || | |
672 | local->hw_downloading) | |
673 | return -ENODEV; | |
674 | ||
ff1d2767 JM |
675 | if (!try_module_get(local->hw_module)) |
676 | return -ENODEV; | |
677 | local->num_dev_open++; | |
678 | ||
679 | if (!local->dev_enabled && local->func->hw_enable(dev, 1)) { | |
680 | printk(KERN_WARNING "%s: could not enable MAC port\n", | |
681 | dev->name); | |
682 | prism2_close(dev); | |
0cbe8c87 | 683 | return -ENODEV; |
ff1d2767 JM |
684 | } |
685 | if (!local->dev_enabled) | |
686 | prism2_callback(local, PRISM2_CALLBACK_ENABLE); | |
687 | local->dev_enabled = 1; | |
688 | ||
689 | if (dev != local->dev && !(local->dev->flags & IFF_UP)) { | |
690 | /* Master radio interface is needed for all operation, so open | |
691 | * it automatically when any virtual net_device is opened. */ | |
692 | local->master_dev_auto_open = 1; | |
693 | dev_open(local->dev); | |
694 | } | |
695 | ||
696 | netif_device_attach(dev); | |
697 | netif_start_queue(dev); | |
698 | ||
699 | return 0; | |
700 | } | |
701 | ||
702 | ||
703 | static int prism2_set_mac_address(struct net_device *dev, void *p) | |
704 | { | |
705 | struct hostap_interface *iface; | |
706 | local_info_t *local; | |
707 | struct list_head *ptr; | |
708 | struct sockaddr *addr = p; | |
709 | ||
710 | iface = netdev_priv(dev); | |
711 | local = iface->local; | |
712 | ||
713 | if (local->func->set_rid(dev, HFA384X_RID_CNFOWNMACADDR, addr->sa_data, | |
714 | ETH_ALEN) < 0 || local->func->reset_port(dev)) | |
715 | return -EINVAL; | |
716 | ||
717 | read_lock_bh(&local->iface_lock); | |
718 | list_for_each(ptr, &local->hostap_interfaces) { | |
719 | iface = list_entry(ptr, struct hostap_interface, list); | |
720 | memcpy(iface->dev->dev_addr, addr->sa_data, ETH_ALEN); | |
721 | } | |
722 | memcpy(local->dev->dev_addr, addr->sa_data, ETH_ALEN); | |
723 | read_unlock_bh(&local->iface_lock); | |
724 | ||
725 | return 0; | |
726 | } | |
727 | ||
728 | ||
729 | /* TODO: to be further implemented as soon as Prism2 fully supports | |
730 | * GroupAddresses and correct documentation is available */ | |
c4028958 | 731 | void hostap_set_multicast_list_queue(struct work_struct *work) |
ff1d2767 | 732 | { |
c4028958 DH |
733 | local_info_t *local = |
734 | container_of(work, local_info_t, set_multicast_list_queue); | |
735 | struct net_device *dev = local->dev; | |
ff1d2767 | 736 | |
ff1d2767 JM |
737 | if (hostap_set_word(dev, HFA384X_RID_PROMISCUOUSMODE, |
738 | local->is_promisc)) { | |
739 | printk(KERN_INFO "%s: %sabling promiscuous mode failed\n", | |
740 | dev->name, local->is_promisc ? "en" : "dis"); | |
741 | } | |
742 | } | |
743 | ||
744 | ||
745 | static void hostap_set_multicast_list(struct net_device *dev) | |
746 | { | |
747 | #if 0 | |
748 | /* FIX: promiscuous mode seems to be causing a lot of problems with | |
749 | * some station firmware versions (FCSErr frames, invalid MACPort, etc. | |
750 | * corrupted incoming frames). This code is now commented out while the | |
751 | * problems are investigated. */ | |
752 | struct hostap_interface *iface; | |
753 | local_info_t *local; | |
754 | ||
755 | iface = netdev_priv(dev); | |
756 | local = iface->local; | |
757 | if ((dev->flags & IFF_ALLMULTI) || (dev->flags & IFF_PROMISC)) { | |
758 | local->is_promisc = 1; | |
759 | } else { | |
760 | local->is_promisc = 0; | |
761 | } | |
762 | ||
763 | schedule_work(&local->set_multicast_list_queue); | |
764 | #endif | |
765 | } | |
766 | ||
767 | ||
768 | static int prism2_change_mtu(struct net_device *dev, int new_mtu) | |
769 | { | |
770 | if (new_mtu < PRISM2_MIN_MTU || new_mtu > PRISM2_MAX_MTU) | |
771 | return -EINVAL; | |
772 | ||
773 | dev->mtu = new_mtu; | |
774 | return 0; | |
775 | } | |
776 | ||
777 | ||
778 | static void prism2_tx_timeout(struct net_device *dev) | |
779 | { | |
780 | struct hostap_interface *iface; | |
781 | local_info_t *local; | |
782 | struct hfa384x_regs regs; | |
783 | ||
784 | iface = netdev_priv(dev); | |
785 | local = iface->local; | |
786 | ||
787 | printk(KERN_WARNING "%s Tx timed out! Resetting card\n", dev->name); | |
788 | netif_stop_queue(local->dev); | |
789 | ||
790 | local->func->read_regs(dev, ®s); | |
791 | printk(KERN_DEBUG "%s: CMD=%04x EVSTAT=%04x " | |
792 | "OFFSET0=%04x OFFSET1=%04x SWSUPPORT0=%04x\n", | |
793 | dev->name, regs.cmd, regs.evstat, regs.offset0, regs.offset1, | |
794 | regs.swsupport0); | |
795 | ||
796 | local->func->schedule_reset(local); | |
797 | } | |
798 | ||
3b04ddde SH |
799 | const struct header_ops hostap_80211_ops = { |
800 | .create = eth_header, | |
3b04ddde SH |
801 | .cache = eth_header_cache, |
802 | .cache_update = eth_header_cache_update, | |
3b04ddde SH |
803 | .parse = hostap_80211_header_parse, |
804 | }; | |
805 | EXPORT_SYMBOL(hostap_80211_ops); | |
ff1d2767 | 806 | |
5ae4efbc SH |
807 | |
808 | static const struct net_device_ops hostap_netdev_ops = { | |
809 | .ndo_start_xmit = hostap_data_start_xmit, | |
810 | ||
811 | .ndo_open = prism2_open, | |
812 | .ndo_stop = prism2_close, | |
813 | .ndo_do_ioctl = hostap_ioctl, | |
814 | .ndo_set_mac_address = prism2_set_mac_address, | |
afc4b13d | 815 | .ndo_set_rx_mode = hostap_set_multicast_list, |
5ae4efbc SH |
816 | .ndo_change_mtu = prism2_change_mtu, |
817 | .ndo_tx_timeout = prism2_tx_timeout, | |
818 | .ndo_validate_addr = eth_validate_addr, | |
819 | }; | |
820 | ||
821 | static const struct net_device_ops hostap_mgmt_netdev_ops = { | |
822 | .ndo_start_xmit = hostap_mgmt_start_xmit, | |
823 | ||
824 | .ndo_open = prism2_open, | |
825 | .ndo_stop = prism2_close, | |
826 | .ndo_do_ioctl = hostap_ioctl, | |
827 | .ndo_set_mac_address = prism2_set_mac_address, | |
afc4b13d | 828 | .ndo_set_rx_mode = hostap_set_multicast_list, |
5ae4efbc SH |
829 | .ndo_change_mtu = prism2_change_mtu, |
830 | .ndo_tx_timeout = prism2_tx_timeout, | |
831 | .ndo_validate_addr = eth_validate_addr, | |
832 | }; | |
833 | ||
834 | static const struct net_device_ops hostap_master_ops = { | |
835 | .ndo_start_xmit = hostap_master_start_xmit, | |
836 | ||
837 | .ndo_open = prism2_open, | |
838 | .ndo_stop = prism2_close, | |
839 | .ndo_do_ioctl = hostap_ioctl, | |
840 | .ndo_set_mac_address = prism2_set_mac_address, | |
afc4b13d | 841 | .ndo_set_rx_mode = hostap_set_multicast_list, |
5ae4efbc SH |
842 | .ndo_change_mtu = prism2_change_mtu, |
843 | .ndo_tx_timeout = prism2_tx_timeout, | |
844 | .ndo_validate_addr = eth_validate_addr, | |
845 | }; | |
846 | ||
ff1d2767 | 847 | void hostap_setup_dev(struct net_device *dev, local_info_t *local, |
09703f5e | 848 | int type) |
ff1d2767 JM |
849 | { |
850 | struct hostap_interface *iface; | |
851 | ||
852 | iface = netdev_priv(dev); | |
853 | ether_setup(dev); | |
550fd08c | 854 | dev->priv_flags &= ~IFF_TX_SKB_SHARING; |
ff1d2767 JM |
855 | |
856 | /* kernel callbacks */ | |
ff1d2767 JM |
857 | if (iface) { |
858 | /* Currently, we point to the proper spy_data only on | |
859 | * the main_dev. This could be fixed. Jean II */ | |
860 | iface->wireless_data.spy_data = &iface->spy_data; | |
861 | dev->wireless_data = &iface->wireless_data; | |
862 | } | |
5ae4efbc | 863 | dev->wireless_handlers = &hostap_iw_handler_def; |
ff1d2767 JM |
864 | dev->watchdog_timeo = TX_TIMEOUT; |
865 | ||
5ae4efbc SH |
866 | switch(type) { |
867 | case HOSTAP_INTERFACE_AP: | |
e484c16f | 868 | dev->tx_queue_len = 0; /* use main radio device queue */ |
5ae4efbc | 869 | dev->netdev_ops = &hostap_mgmt_netdev_ops; |
09703f5e DD |
870 | dev->type = ARPHRD_IEEE80211; |
871 | dev->header_ops = &hostap_80211_ops; | |
5ae4efbc SH |
872 | break; |
873 | case HOSTAP_INTERFACE_MASTER: | |
5ae4efbc SH |
874 | dev->netdev_ops = &hostap_master_ops; |
875 | break; | |
876 | default: | |
e484c16f | 877 | dev->tx_queue_len = 0; /* use main radio device queue */ |
5ae4efbc | 878 | dev->netdev_ops = &hostap_netdev_ops; |
09703f5e DD |
879 | } |
880 | ||
ff1d2767 | 881 | dev->mtu = local->mtu; |
5ae4efbc | 882 | |
ff1d2767 | 883 | |
7ad24ea4 | 884 | dev->ethtool_ops = &prism2_ethtool_ops; |
ff1d2767 | 885 | |
ff1d2767 JM |
886 | } |
887 | ||
ff1d2767 JM |
888 | static int hostap_enable_hostapd(local_info_t *local, int rtnl_locked) |
889 | { | |
890 | struct net_device *dev = local->dev; | |
891 | ||
892 | if (local->apdev) | |
893 | return -EEXIST; | |
894 | ||
895 | printk(KERN_DEBUG "%s: enabling hostapd mode\n", dev->name); | |
896 | ||
897 | local->apdev = hostap_add_interface(local, HOSTAP_INTERFACE_AP, | |
898 | rtnl_locked, local->ddev->name, | |
899 | "ap"); | |
900 | if (local->apdev == NULL) | |
901 | return -ENOMEM; | |
902 | ||
ff1d2767 JM |
903 | return 0; |
904 | } | |
905 | ||
906 | ||
907 | static int hostap_disable_hostapd(local_info_t *local, int rtnl_locked) | |
908 | { | |
909 | struct net_device *dev = local->dev; | |
910 | ||
911 | printk(KERN_DEBUG "%s: disabling hostapd mode\n", dev->name); | |
912 | ||
913 | hostap_remove_interface(local->apdev, rtnl_locked, 1); | |
914 | local->apdev = NULL; | |
915 | ||
916 | return 0; | |
917 | } | |
918 | ||
919 | ||
920 | static int hostap_enable_hostapd_sta(local_info_t *local, int rtnl_locked) | |
921 | { | |
922 | struct net_device *dev = local->dev; | |
923 | ||
924 | if (local->stadev) | |
925 | return -EEXIST; | |
926 | ||
927 | printk(KERN_DEBUG "%s: enabling hostapd STA mode\n", dev->name); | |
928 | ||
929 | local->stadev = hostap_add_interface(local, HOSTAP_INTERFACE_STA, | |
930 | rtnl_locked, local->ddev->name, | |
931 | "sta"); | |
932 | if (local->stadev == NULL) | |
933 | return -ENOMEM; | |
934 | ||
935 | return 0; | |
936 | } | |
937 | ||
938 | ||
939 | static int hostap_disable_hostapd_sta(local_info_t *local, int rtnl_locked) | |
940 | { | |
941 | struct net_device *dev = local->dev; | |
942 | ||
943 | printk(KERN_DEBUG "%s: disabling hostapd mode\n", dev->name); | |
944 | ||
945 | hostap_remove_interface(local->stadev, rtnl_locked, 1); | |
946 | local->stadev = NULL; | |
947 | ||
948 | return 0; | |
949 | } | |
950 | ||
951 | ||
952 | int hostap_set_hostapd(local_info_t *local, int val, int rtnl_locked) | |
953 | { | |
954 | int ret; | |
955 | ||
956 | if (val < 0 || val > 1) | |
957 | return -EINVAL; | |
958 | ||
959 | if (local->hostapd == val) | |
960 | return 0; | |
961 | ||
962 | if (val) { | |
963 | ret = hostap_enable_hostapd(local, rtnl_locked); | |
964 | if (ret == 0) | |
965 | local->hostapd = 1; | |
966 | } else { | |
967 | local->hostapd = 0; | |
968 | ret = hostap_disable_hostapd(local, rtnl_locked); | |
969 | if (ret != 0) | |
970 | local->hostapd = 1; | |
971 | } | |
972 | ||
973 | return ret; | |
974 | } | |
975 | ||
976 | ||
977 | int hostap_set_hostapd_sta(local_info_t *local, int val, int rtnl_locked) | |
978 | { | |
979 | int ret; | |
980 | ||
981 | if (val < 0 || val > 1) | |
982 | return -EINVAL; | |
983 | ||
984 | if (local->hostapd_sta == val) | |
985 | return 0; | |
986 | ||
987 | if (val) { | |
988 | ret = hostap_enable_hostapd_sta(local, rtnl_locked); | |
989 | if (ret == 0) | |
990 | local->hostapd_sta = 1; | |
991 | } else { | |
992 | local->hostapd_sta = 0; | |
993 | ret = hostap_disable_hostapd_sta(local, rtnl_locked); | |
994 | if (ret != 0) | |
995 | local->hostapd_sta = 1; | |
996 | } | |
997 | ||
998 | ||
999 | return ret; | |
1000 | } | |
1001 | ||
1002 | ||
1003 | int prism2_update_comms_qual(struct net_device *dev) | |
1004 | { | |
1005 | struct hostap_interface *iface; | |
1006 | local_info_t *local; | |
1007 | int ret = 0; | |
1008 | struct hfa384x_comms_quality sq; | |
1009 | ||
1010 | iface = netdev_priv(dev); | |
1011 | local = iface->local; | |
1012 | if (!local->sta_fw_ver) | |
1013 | ret = -1; | |
1014 | else if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) { | |
1015 | if (local->func->get_rid(local->dev, | |
1016 | HFA384X_RID_DBMCOMMSQUALITY, | |
1017 | &sq, sizeof(sq), 1) >= 0) { | |
1018 | local->comms_qual = (s16) le16_to_cpu(sq.comm_qual); | |
1019 | local->avg_signal = (s16) le16_to_cpu(sq.signal_level); | |
1020 | local->avg_noise = (s16) le16_to_cpu(sq.noise_level); | |
1021 | local->last_comms_qual_update = jiffies; | |
1022 | } else | |
1023 | ret = -1; | |
1024 | } else { | |
1025 | if (local->func->get_rid(local->dev, HFA384X_RID_COMMSQUALITY, | |
1026 | &sq, sizeof(sq), 1) >= 0) { | |
1027 | local->comms_qual = le16_to_cpu(sq.comm_qual); | |
1028 | local->avg_signal = HFA384X_LEVEL_TO_dBm( | |
1029 | le16_to_cpu(sq.signal_level)); | |
1030 | local->avg_noise = HFA384X_LEVEL_TO_dBm( | |
1031 | le16_to_cpu(sq.noise_level)); | |
1032 | local->last_comms_qual_update = jiffies; | |
1033 | } else | |
1034 | ret = -1; | |
1035 | } | |
1036 | ||
1037 | return ret; | |
1038 | } | |
1039 | ||
1040 | ||
4339d328 | 1041 | int prism2_sta_send_mgmt(local_info_t *local, u8 *dst, u16 stype, |
ff1d2767 JM |
1042 | u8 *body, size_t bodylen) |
1043 | { | |
1044 | struct sk_buff *skb; | |
1045 | struct hostap_ieee80211_mgmt *mgmt; | |
1046 | struct hostap_skb_tx_data *meta; | |
1047 | struct net_device *dev = local->dev; | |
1048 | ||
1049 | skb = dev_alloc_skb(IEEE80211_MGMT_HDR_LEN + bodylen); | |
1050 | if (skb == NULL) | |
1051 | return -ENOMEM; | |
1052 | ||
1053 | mgmt = (struct hostap_ieee80211_mgmt *) | |
1054 | skb_put(skb, IEEE80211_MGMT_HDR_LEN); | |
1055 | memset(mgmt, 0, IEEE80211_MGMT_HDR_LEN); | |
4339d328 | 1056 | mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | stype); |
ff1d2767 JM |
1057 | memcpy(mgmt->da, dst, ETH_ALEN); |
1058 | memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); | |
1059 | memcpy(mgmt->bssid, dst, ETH_ALEN); | |
1060 | if (body) | |
1061 | memcpy(skb_put(skb, bodylen), body, bodylen); | |
1062 | ||
1063 | meta = (struct hostap_skb_tx_data *) skb->cb; | |
1064 | memset(meta, 0, sizeof(*meta)); | |
1065 | meta->magic = HOSTAP_SKB_TX_DATA_MAGIC; | |
1066 | meta->iface = netdev_priv(dev); | |
1067 | ||
1068 | skb->dev = dev; | |
459a98ed | 1069 | skb_reset_mac_header(skb); |
c1d2bbe1 | 1070 | skb_reset_network_header(skb); |
ff1d2767 JM |
1071 | dev_queue_xmit(skb); |
1072 | ||
1073 | return 0; | |
1074 | } | |
1075 | ||
1076 | ||
1077 | int prism2_sta_deauth(local_info_t *local, u16 reason) | |
1078 | { | |
1079 | union iwreq_data wrqu; | |
1080 | int ret; | |
8a9faf3c | 1081 | __le16 val = cpu_to_le16(reason); |
ff1d2767 JM |
1082 | |
1083 | if (local->iw_mode != IW_MODE_INFRA || | |
c3a2ee93 | 1084 | is_zero_ether_addr(local->bssid) || |
d22fbd70 | 1085 | ether_addr_equal(local->bssid, "\x44\x44\x44\x44\x44\x44")) |
ff1d2767 JM |
1086 | return 0; |
1087 | ||
4339d328 | 1088 | ret = prism2_sta_send_mgmt(local, local->bssid, IEEE80211_STYPE_DEAUTH, |
8a9faf3c | 1089 | (u8 *) &val, 2); |
93803b33 | 1090 | eth_zero_addr(wrqu.ap_addr.sa_data); |
ff1d2767 JM |
1091 | wireless_send_event(local->dev, SIOCGIWAP, &wrqu, NULL); |
1092 | return ret; | |
1093 | } | |
1094 | ||
1095 | ||
1096 | struct proc_dir_entry *hostap_proc; | |
1097 | ||
1098 | static int __init hostap_init(void) | |
1099 | { | |
457c4cbc EB |
1100 | if (init_net.proc_net != NULL) { |
1101 | hostap_proc = proc_mkdir("hostap", init_net.proc_net); | |
ff1d2767 JM |
1102 | if (!hostap_proc) |
1103 | printk(KERN_WARNING "Failed to mkdir " | |
1104 | "/proc/net/hostap\n"); | |
1105 | } else | |
1106 | hostap_proc = NULL; | |
1107 | ||
1108 | return 0; | |
1109 | } | |
1110 | ||
1111 | ||
1112 | static void __exit hostap_exit(void) | |
1113 | { | |
1114 | if (hostap_proc != NULL) { | |
1115 | hostap_proc = NULL; | |
457c4cbc | 1116 | remove_proc_entry("hostap", init_net.proc_net); |
ff1d2767 | 1117 | } |
ff1d2767 JM |
1118 | } |
1119 | ||
1120 | ||
1121 | EXPORT_SYMBOL(hostap_set_word); | |
1122 | EXPORT_SYMBOL(hostap_set_string); | |
1123 | EXPORT_SYMBOL(hostap_get_porttype); | |
1124 | EXPORT_SYMBOL(hostap_set_encryption); | |
1125 | EXPORT_SYMBOL(hostap_set_antsel); | |
1126 | EXPORT_SYMBOL(hostap_set_roaming); | |
1127 | EXPORT_SYMBOL(hostap_set_auth_algs); | |
1128 | EXPORT_SYMBOL(hostap_dump_rx_header); | |
1129 | EXPORT_SYMBOL(hostap_dump_tx_header); | |
ff1d2767 | 1130 | EXPORT_SYMBOL(hostap_80211_get_hdrlen); |
ff1d2767 | 1131 | EXPORT_SYMBOL(hostap_setup_dev); |
ff1d2767 JM |
1132 | EXPORT_SYMBOL(hostap_set_multicast_list_queue); |
1133 | EXPORT_SYMBOL(hostap_set_hostapd); | |
1134 | EXPORT_SYMBOL(hostap_set_hostapd_sta); | |
1135 | EXPORT_SYMBOL(hostap_add_interface); | |
1136 | EXPORT_SYMBOL(hostap_remove_interface); | |
1137 | EXPORT_SYMBOL(prism2_update_comms_qual); | |
1138 | ||
1139 | module_init(hostap_init); | |
1140 | module_exit(hostap_exit); |