Commit | Line | Data |
---|---|---|
f0706e82 JB |
1 | /* |
2 | * mac80211 configuration hooks for cfg80211 | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
f0706e82 JB |
5 | * |
6 | * This file is GPLv2 as found in COPYING. | |
7 | */ | |
8 | ||
e8cbb4cb | 9 | #include <linux/ieee80211.h> |
f0706e82 JB |
10 | #include <linux/nl80211.h> |
11 | #include <linux/rtnetlink.h> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
881d966b | 13 | #include <net/net_namespace.h> |
5dfdaf58 | 14 | #include <linux/rcupdate.h> |
f0706e82 JB |
15 | #include <net/cfg80211.h> |
16 | #include "ieee80211_i.h" | |
24487981 | 17 | #include "driver-ops.h" |
e0eb6859 | 18 | #include "cfg.h" |
2c8dccc7 | 19 | #include "rate.h" |
c5dd9c2b | 20 | #include "mesh.h" |
c5dd9c2b | 21 | |
f9e10ce4 JB |
22 | static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name, |
23 | enum nl80211_iftype type, | |
24 | u32 *flags, | |
25 | struct vif_params *params) | |
f0706e82 JB |
26 | { |
27 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
8cc9a739 MW |
28 | struct net_device *dev; |
29 | struct ieee80211_sub_if_data *sdata; | |
30 | int err; | |
f0706e82 | 31 | |
05c914fe | 32 | err = ieee80211_if_add(local, name, &dev, type, params); |
f9e10ce4 JB |
33 | if (err) |
34 | return ERR_PTR(err); | |
8cc9a739 | 35 | |
f9e10ce4 JB |
36 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
37 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
38 | sdata->u.mntr_flags = *flags; | |
39 | } | |
40 | ||
41 | return dev; | |
f0706e82 JB |
42 | } |
43 | ||
463d0183 | 44 | static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) |
f0706e82 | 45 | { |
463d0183 | 46 | ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev)); |
f0706e82 | 47 | |
75636525 | 48 | return 0; |
f0706e82 JB |
49 | } |
50 | ||
e36d56b6 JB |
51 | static int ieee80211_change_iface(struct wiphy *wiphy, |
52 | struct net_device *dev, | |
2ec600d6 LCC |
53 | enum nl80211_iftype type, u32 *flags, |
54 | struct vif_params *params) | |
42613db7 | 55 | { |
9607e6b6 | 56 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 57 | int ret; |
42613db7 | 58 | |
05c914fe | 59 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
60 | if (ret) |
61 | return ret; | |
42613db7 | 62 | |
9bc383de JB |
63 | if (type == NL80211_IFTYPE_AP_VLAN && |
64 | params && params->use_4addr == 0) | |
65 | rcu_assign_pointer(sdata->u.vlan.sta, NULL); | |
66 | else if (type == NL80211_IFTYPE_STATION && | |
67 | params && params->use_4addr >= 0) | |
68 | sdata->u.mgd.use_4addr = params->use_4addr; | |
69 | ||
85416a4f CL |
70 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
71 | struct ieee80211_local *local = sdata->local; | |
72 | ||
73 | if (ieee80211_sdata_running(sdata)) { | |
74 | /* | |
75 | * Prohibit MONITOR_FLAG_COOK_FRAMES to be | |
76 | * changed while the interface is up. | |
77 | * Else we would need to add a lot of cruft | |
78 | * to update everything: | |
79 | * cooked_mntrs, monitor and all fif_* counters | |
80 | * reconfigure hardware | |
81 | */ | |
82 | if ((*flags & MONITOR_FLAG_COOK_FRAMES) != | |
83 | (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) | |
84 | return -EBUSY; | |
85 | ||
86 | ieee80211_adjust_monitor_flags(sdata, -1); | |
87 | sdata->u.mntr_flags = *flags; | |
88 | ieee80211_adjust_monitor_flags(sdata, 1); | |
89 | ||
90 | ieee80211_configure_filter(local); | |
91 | } else { | |
92 | /* | |
93 | * Because the interface is down, ieee80211_do_stop | |
94 | * and ieee80211_do_open take care of "everything" | |
95 | * mentioned in the comment above. | |
96 | */ | |
97 | sdata->u.mntr_flags = *flags; | |
98 | } | |
99 | } | |
f7917af9 | 100 | |
42613db7 JB |
101 | return 0; |
102 | } | |
103 | ||
e8cbb4cb | 104 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 105 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
106 | struct key_params *params) |
107 | { | |
26a58456 | 108 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
e8cbb4cb | 109 | struct sta_info *sta = NULL; |
db4d1169 | 110 | struct ieee80211_key *key; |
3b96766f | 111 | int err; |
e8cbb4cb | 112 | |
26a58456 | 113 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
114 | return -ENETDOWN; |
115 | ||
97359d12 | 116 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
117 | switch (params->cipher) { |
118 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 119 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 JB |
120 | case WLAN_CIPHER_SUITE_WEP104: |
121 | if (IS_ERR(sdata->local->wep_tx_tfm)) | |
122 | return -EINVAL; | |
3cfcf6ac | 123 | break; |
e8cbb4cb | 124 | default: |
97359d12 | 125 | break; |
e8cbb4cb JB |
126 | } |
127 | ||
97359d12 JB |
128 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
129 | params->key, params->seq_len, params->seq); | |
1ac62ba7 BH |
130 | if (IS_ERR(key)) |
131 | return PTR_ERR(key); | |
db4d1169 | 132 | |
e31b8213 JB |
133 | if (pairwise) |
134 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
135 | ||
ad0e2b5a | 136 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 137 | |
e8cbb4cb | 138 | if (mac_addr) { |
0e5ded5a | 139 | sta = sta_info_get_bss(sdata, mac_addr); |
db4d1169 | 140 | if (!sta) { |
32162a4d | 141 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
142 | err = -ENOENT; |
143 | goto out_unlock; | |
db4d1169 | 144 | } |
e8cbb4cb JB |
145 | } |
146 | ||
3ffc2a90 JB |
147 | err = ieee80211_key_link(key, sdata, sta); |
148 | if (err) | |
149 | ieee80211_key_free(sdata->local, key); | |
db4d1169 | 150 | |
3b96766f | 151 | out_unlock: |
ad0e2b5a | 152 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
153 | |
154 | return err; | |
e8cbb4cb JB |
155 | } |
156 | ||
157 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 158 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb JB |
159 | { |
160 | struct ieee80211_sub_if_data *sdata; | |
161 | struct sta_info *sta; | |
162 | int ret; | |
163 | ||
164 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
165 | ||
ad0e2b5a | 166 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 167 | |
e8cbb4cb | 168 | if (mac_addr) { |
3b96766f JB |
169 | ret = -ENOENT; |
170 | ||
0e5ded5a | 171 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 172 | if (!sta) |
3b96766f | 173 | goto out_unlock; |
e8cbb4cb | 174 | |
e31b8213 JB |
175 | if (pairwise) { |
176 | if (sta->ptk) { | |
177 | ieee80211_key_free(sdata->local, sta->ptk); | |
178 | ret = 0; | |
179 | } | |
180 | } else { | |
181 | if (sta->gtk[key_idx]) { | |
182 | ieee80211_key_free(sdata->local, | |
183 | sta->gtk[key_idx]); | |
184 | ret = 0; | |
185 | } | |
3b96766f | 186 | } |
e8cbb4cb | 187 | |
3b96766f | 188 | goto out_unlock; |
e8cbb4cb JB |
189 | } |
190 | ||
3b96766f JB |
191 | if (!sdata->keys[key_idx]) { |
192 | ret = -ENOENT; | |
193 | goto out_unlock; | |
194 | } | |
e8cbb4cb | 195 | |
32162a4d | 196 | ieee80211_key_free(sdata->local, sdata->keys[key_idx]); |
db4d1169 | 197 | WARN_ON(sdata->keys[key_idx]); |
e8cbb4cb | 198 | |
3b96766f JB |
199 | ret = 0; |
200 | out_unlock: | |
ad0e2b5a | 201 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
202 | |
203 | return ret; | |
e8cbb4cb JB |
204 | } |
205 | ||
62da92fb | 206 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
207 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
208 | void *cookie, | |
62da92fb JB |
209 | void (*callback)(void *cookie, |
210 | struct key_params *params)) | |
211 | { | |
14db74bc | 212 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
213 | struct sta_info *sta = NULL; |
214 | u8 seq[6] = {0}; | |
215 | struct key_params params; | |
e31b8213 | 216 | struct ieee80211_key *key = NULL; |
62da92fb JB |
217 | u32 iv32; |
218 | u16 iv16; | |
219 | int err = -ENOENT; | |
220 | ||
14db74bc JB |
221 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
222 | ||
3b96766f JB |
223 | rcu_read_lock(); |
224 | ||
62da92fb | 225 | if (mac_addr) { |
0e5ded5a | 226 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
227 | if (!sta) |
228 | goto out; | |
229 | ||
e31b8213 JB |
230 | if (pairwise) |
231 | key = sta->ptk; | |
232 | else if (key_idx < NUM_DEFAULT_KEYS) | |
233 | key = sta->gtk[key_idx]; | |
62da92fb JB |
234 | } else |
235 | key = sdata->keys[key_idx]; | |
236 | ||
237 | if (!key) | |
238 | goto out; | |
239 | ||
240 | memset(¶ms, 0, sizeof(params)); | |
241 | ||
97359d12 | 242 | params.cipher = key->conf.cipher; |
62da92fb | 243 | |
97359d12 JB |
244 | switch (key->conf.cipher) { |
245 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
246 | iv32 = key->u.tkip.tx.iv32; |
247 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 248 | |
24487981 JB |
249 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
250 | drv_get_tkip_seq(sdata->local, | |
251 | key->conf.hw_key_idx, | |
252 | &iv32, &iv16); | |
62da92fb JB |
253 | |
254 | seq[0] = iv16 & 0xff; | |
255 | seq[1] = (iv16 >> 8) & 0xff; | |
256 | seq[2] = iv32 & 0xff; | |
257 | seq[3] = (iv32 >> 8) & 0xff; | |
258 | seq[4] = (iv32 >> 16) & 0xff; | |
259 | seq[5] = (iv32 >> 24) & 0xff; | |
260 | params.seq = seq; | |
261 | params.seq_len = 6; | |
262 | break; | |
97359d12 | 263 | case WLAN_CIPHER_SUITE_CCMP: |
62da92fb JB |
264 | seq[0] = key->u.ccmp.tx_pn[5]; |
265 | seq[1] = key->u.ccmp.tx_pn[4]; | |
266 | seq[2] = key->u.ccmp.tx_pn[3]; | |
267 | seq[3] = key->u.ccmp.tx_pn[2]; | |
268 | seq[4] = key->u.ccmp.tx_pn[1]; | |
269 | seq[5] = key->u.ccmp.tx_pn[0]; | |
270 | params.seq = seq; | |
271 | params.seq_len = 6; | |
272 | break; | |
97359d12 | 273 | case WLAN_CIPHER_SUITE_AES_CMAC: |
3cfcf6ac JM |
274 | seq[0] = key->u.aes_cmac.tx_pn[5]; |
275 | seq[1] = key->u.aes_cmac.tx_pn[4]; | |
276 | seq[2] = key->u.aes_cmac.tx_pn[3]; | |
277 | seq[3] = key->u.aes_cmac.tx_pn[2]; | |
278 | seq[4] = key->u.aes_cmac.tx_pn[1]; | |
279 | seq[5] = key->u.aes_cmac.tx_pn[0]; | |
280 | params.seq = seq; | |
281 | params.seq_len = 6; | |
282 | break; | |
62da92fb JB |
283 | } |
284 | ||
285 | params.key = key->conf.key; | |
286 | params.key_len = key->conf.keylen; | |
287 | ||
288 | callback(cookie, ¶ms); | |
289 | err = 0; | |
290 | ||
291 | out: | |
3b96766f | 292 | rcu_read_unlock(); |
62da92fb JB |
293 | return err; |
294 | } | |
295 | ||
e8cbb4cb JB |
296 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
297 | struct net_device *dev, | |
dbd2fd65 JB |
298 | u8 key_idx, bool uni, |
299 | bool multi) | |
e8cbb4cb | 300 | { |
ad0e2b5a | 301 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 302 | |
f7e0104c | 303 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
304 | |
305 | return 0; | |
306 | } | |
307 | ||
3cfcf6ac JM |
308 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
309 | struct net_device *dev, | |
310 | u8 key_idx) | |
311 | { | |
66c52421 | 312 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 313 | |
3cfcf6ac JM |
314 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
315 | ||
3cfcf6ac JM |
316 | return 0; |
317 | } | |
318 | ||
3af6334c FF |
319 | static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) |
320 | { | |
321 | if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { | |
322 | struct ieee80211_supported_band *sband; | |
323 | sband = sta->local->hw.wiphy->bands[ | |
324 | sta->local->hw.conf.channel->band]; | |
325 | rate->legacy = sband->bitrates[idx].bitrate; | |
326 | } else | |
327 | rate->mcs = idx; | |
328 | } | |
329 | ||
c5dd9c2b LCC |
330 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
331 | { | |
d0709a65 | 332 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
ebe27c91 | 333 | struct timespec uptime; |
c5dd9c2b | 334 | |
f5ea9120 JB |
335 | sinfo->generation = sdata->local->sta_generation; |
336 | ||
c5dd9c2b LCC |
337 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
338 | STATION_INFO_RX_BYTES | | |
420e7fab | 339 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
340 | STATION_INFO_RX_PACKETS | |
341 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
342 | STATION_INFO_TX_RETRIES | |
343 | STATION_INFO_TX_FAILED | | |
5a5c731a | 344 | STATION_INFO_TX_BITRATE | |
3af6334c | 345 | STATION_INFO_RX_BITRATE | |
f4263c98 | 346 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 MSS |
347 | STATION_INFO_BSS_PARAM | |
348 | STATION_INFO_CONNECTED_TIME; | |
349 | ||
350 | do_posix_clock_monotonic_gettime(&uptime); | |
351 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
352 | |
353 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
354 | sinfo->rx_bytes = sta->rx_bytes; | |
355 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
356 | sinfo->rx_packets = sta->rx_packets; |
357 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
358 | sinfo->tx_retries = sta->tx_retry_count; |
359 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 360 | sinfo->rx_dropped_misc = sta->rx_dropped; |
c5dd9c2b | 361 | |
19deffbe JL |
362 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
363 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 364 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
420e7fab | 365 | sinfo->signal = (s8)sta->last_signal; |
541a45a1 | 366 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab HR |
367 | } |
368 | ||
369 | sinfo->txrate.flags = 0; | |
370 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
371 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
372 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
373 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
374 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
375 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
3af6334c FF |
376 | rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx); |
377 | ||
378 | sinfo->rxrate.flags = 0; | |
379 | if (sta->last_rx_rate_flag & RX_FLAG_HT) | |
380 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; | |
381 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
382 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
383 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
384 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
385 | rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); | |
420e7fab | 386 | |
902acc78 | 387 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 388 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
389 | sinfo->filled |= STATION_INFO_LLID | |
390 | STATION_INFO_PLID | | |
391 | STATION_INFO_PLINK_STATE; | |
392 | ||
393 | sinfo->llid = le16_to_cpu(sta->llid); | |
394 | sinfo->plid = le16_to_cpu(sta->plid); | |
395 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 396 | #endif |
902acc78 | 397 | } |
f4263c98 PS |
398 | |
399 | sinfo->bss_param.flags = 0; | |
400 | if (sdata->vif.bss_conf.use_cts_prot) | |
401 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
402 | if (sdata->vif.bss_conf.use_short_preamble) | |
403 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
404 | if (sdata->vif.bss_conf.use_short_slot) | |
405 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
406 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
407 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
c5dd9c2b LCC |
408 | } |
409 | ||
410 | ||
411 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
412 | int idx, u8 *mac, struct station_info *sinfo) | |
413 | { | |
3b53fde8 | 414 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
c5dd9c2b | 415 | struct sta_info *sta; |
d0709a65 JB |
416 | int ret = -ENOENT; |
417 | ||
418 | rcu_read_lock(); | |
c5dd9c2b | 419 | |
3b53fde8 | 420 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
421 | if (sta) { |
422 | ret = 0; | |
17741cdc | 423 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
424 | sta_set_sinfo(sta, sinfo); |
425 | } | |
c5dd9c2b | 426 | |
d0709a65 | 427 | rcu_read_unlock(); |
c5dd9c2b | 428 | |
d0709a65 | 429 | return ret; |
c5dd9c2b LCC |
430 | } |
431 | ||
1289723e HS |
432 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
433 | int idx, struct survey_info *survey) | |
434 | { | |
435 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
436 | ||
1289723e HS |
437 | return drv_get_survey(local, idx, survey); |
438 | } | |
439 | ||
7bbdd2d9 | 440 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 441 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 442 | { |
abe60632 | 443 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
7bbdd2d9 | 444 | struct sta_info *sta; |
d0709a65 | 445 | int ret = -ENOENT; |
7bbdd2d9 | 446 | |
d0709a65 | 447 | rcu_read_lock(); |
7bbdd2d9 | 448 | |
0e5ded5a | 449 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
450 | if (sta) { |
451 | ret = 0; | |
452 | sta_set_sinfo(sta, sinfo); | |
453 | } | |
454 | ||
455 | rcu_read_unlock(); | |
456 | ||
457 | return ret; | |
7bbdd2d9 JB |
458 | } |
459 | ||
5dfdaf58 JB |
460 | /* |
461 | * This handles both adding a beacon and setting new beacon info | |
462 | */ | |
463 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
464 | struct beacon_parameters *params) | |
465 | { | |
466 | struct beacon_data *new, *old; | |
467 | int new_head_len, new_tail_len; | |
468 | int size; | |
469 | int err = -EINVAL; | |
470 | ||
471 | old = sdata->u.ap.beacon; | |
472 | ||
473 | /* head must not be zero-length */ | |
474 | if (params->head && !params->head_len) | |
475 | return -EINVAL; | |
476 | ||
477 | /* | |
478 | * This is a kludge. beacon interval should really be part | |
479 | * of the beacon information. | |
480 | */ | |
57c4d7b4 JB |
481 | if (params->interval && |
482 | (sdata->vif.bss_conf.beacon_int != params->interval)) { | |
483 | sdata->vif.bss_conf.beacon_int = params->interval; | |
484 | ieee80211_bss_info_change_notify(sdata, | |
485 | BSS_CHANGED_BEACON_INT); | |
5dfdaf58 JB |
486 | } |
487 | ||
488 | /* Need to have a beacon head if we don't have one yet */ | |
489 | if (!params->head && !old) | |
490 | return err; | |
491 | ||
492 | /* sorry, no way to start beaconing without dtim period */ | |
493 | if (!params->dtim_period && !old) | |
494 | return err; | |
495 | ||
496 | /* new or old head? */ | |
497 | if (params->head) | |
498 | new_head_len = params->head_len; | |
499 | else | |
500 | new_head_len = old->head_len; | |
501 | ||
502 | /* new or old tail? */ | |
503 | if (params->tail || !old) | |
504 | /* params->tail_len will be zero for !params->tail */ | |
505 | new_tail_len = params->tail_len; | |
506 | else | |
507 | new_tail_len = old->tail_len; | |
508 | ||
509 | size = sizeof(*new) + new_head_len + new_tail_len; | |
510 | ||
511 | new = kzalloc(size, GFP_KERNEL); | |
512 | if (!new) | |
513 | return -ENOMEM; | |
514 | ||
515 | /* start filling the new info now */ | |
516 | ||
517 | /* new or old dtim period? */ | |
518 | if (params->dtim_period) | |
519 | new->dtim_period = params->dtim_period; | |
520 | else | |
521 | new->dtim_period = old->dtim_period; | |
522 | ||
523 | /* | |
524 | * pointers go into the block we allocated, | |
525 | * memory is | beacon_data | head | tail | | |
526 | */ | |
527 | new->head = ((u8 *) new) + sizeof(*new); | |
528 | new->tail = new->head + new_head_len; | |
529 | new->head_len = new_head_len; | |
530 | new->tail_len = new_tail_len; | |
531 | ||
532 | /* copy in head */ | |
533 | if (params->head) | |
534 | memcpy(new->head, params->head, new_head_len); | |
535 | else | |
536 | memcpy(new->head, old->head, new_head_len); | |
537 | ||
538 | /* copy in optional tail */ | |
539 | if (params->tail) | |
540 | memcpy(new->tail, params->tail, new_tail_len); | |
541 | else | |
542 | if (old) | |
543 | memcpy(new->tail, old->tail, new_tail_len); | |
544 | ||
19885c4f JB |
545 | sdata->vif.bss_conf.dtim_period = new->dtim_period; |
546 | ||
5dfdaf58 JB |
547 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
548 | ||
549 | synchronize_rcu(); | |
550 | ||
551 | kfree(old); | |
552 | ||
2d0ddec5 JB |
553 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | |
554 | BSS_CHANGED_BEACON); | |
555 | return 0; | |
5dfdaf58 JB |
556 | } |
557 | ||
558 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
559 | struct beacon_parameters *params) | |
560 | { | |
14db74bc | 561 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
562 | struct beacon_data *old; |
563 | ||
14db74bc JB |
564 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
565 | ||
5dfdaf58 JB |
566 | old = sdata->u.ap.beacon; |
567 | ||
568 | if (old) | |
569 | return -EALREADY; | |
570 | ||
571 | return ieee80211_config_beacon(sdata, params); | |
572 | } | |
573 | ||
574 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
575 | struct beacon_parameters *params) | |
576 | { | |
14db74bc | 577 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
578 | struct beacon_data *old; |
579 | ||
14db74bc JB |
580 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
581 | ||
5dfdaf58 JB |
582 | old = sdata->u.ap.beacon; |
583 | ||
584 | if (!old) | |
585 | return -ENOENT; | |
586 | ||
587 | return ieee80211_config_beacon(sdata, params); | |
588 | } | |
589 | ||
590 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
591 | { | |
14db74bc | 592 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
593 | struct beacon_data *old; |
594 | ||
14db74bc JB |
595 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
596 | ||
5dfdaf58 JB |
597 | old = sdata->u.ap.beacon; |
598 | ||
599 | if (!old) | |
600 | return -ENOENT; | |
601 | ||
602 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
603 | synchronize_rcu(); | |
604 | kfree(old); | |
605 | ||
2d0ddec5 JB |
606 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
607 | return 0; | |
5dfdaf58 JB |
608 | } |
609 | ||
4fd6931e JB |
610 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
611 | struct iapp_layer2_update { | |
612 | u8 da[ETH_ALEN]; /* broadcast */ | |
613 | u8 sa[ETH_ALEN]; /* STA addr */ | |
614 | __be16 len; /* 6 */ | |
615 | u8 dsap; /* 0 */ | |
616 | u8 ssap; /* 0 */ | |
617 | u8 control; | |
618 | u8 xid_info[3]; | |
bc10502d | 619 | } __packed; |
4fd6931e JB |
620 | |
621 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
622 | { | |
623 | struct iapp_layer2_update *msg; | |
624 | struct sk_buff *skb; | |
625 | ||
626 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
627 | * bridge devices */ | |
628 | ||
629 | skb = dev_alloc_skb(sizeof(*msg)); | |
630 | if (!skb) | |
631 | return; | |
632 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
633 | ||
634 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
635 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
636 | ||
637 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 638 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
639 | msg->len = htons(6); |
640 | msg->dsap = 0; | |
641 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
642 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
643 | * F=0 (no poll command; unsolicited frame) */ | |
644 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
645 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
646 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
647 | ||
d0709a65 JB |
648 | skb->dev = sta->sdata->dev; |
649 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 650 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 651 | netif_rx_ni(skb); |
4fd6931e JB |
652 | } |
653 | ||
654 | static void sta_apply_parameters(struct ieee80211_local *local, | |
655 | struct sta_info *sta, | |
656 | struct station_parameters *params) | |
657 | { | |
f5521b13 | 658 | unsigned long flags; |
4fd6931e JB |
659 | u32 rates; |
660 | int i, j; | |
8318d78a | 661 | struct ieee80211_supported_band *sband; |
d0709a65 | 662 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 663 | u32 mask, set; |
4fd6931e | 664 | |
ae5eb026 JB |
665 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
666 | ||
f5521b13 | 667 | spin_lock_irqsave(&sta->flaglock, flags); |
eccb8e8f JB |
668 | mask = params->sta_flags_mask; |
669 | set = params->sta_flags_set; | |
73651ee6 | 670 | |
eccb8e8f | 671 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
4fd6931e | 672 | sta->flags &= ~WLAN_STA_AUTHORIZED; |
eccb8e8f | 673 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
4fd6931e | 674 | sta->flags |= WLAN_STA_AUTHORIZED; |
eccb8e8f | 675 | } |
4fd6931e | 676 | |
eccb8e8f | 677 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
4fd6931e | 678 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 679 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
4fd6931e | 680 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 681 | } |
4fd6931e | 682 | |
eccb8e8f | 683 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
4fd6931e | 684 | sta->flags &= ~WLAN_STA_WME; |
eccb8e8f | 685 | if (set & BIT(NL80211_STA_FLAG_WME)) |
4fd6931e | 686 | sta->flags |= WLAN_STA_WME; |
eccb8e8f | 687 | } |
5394af4d | 688 | |
eccb8e8f | 689 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
5394af4d | 690 | sta->flags &= ~WLAN_STA_MFP; |
eccb8e8f | 691 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
5394af4d | 692 | sta->flags |= WLAN_STA_MFP; |
4fd6931e | 693 | } |
b39c48fa JC |
694 | |
695 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
696 | sta->flags &= ~WLAN_STA_AUTH; | |
697 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
698 | sta->flags |= WLAN_STA_AUTH; | |
699 | } | |
f5521b13 | 700 | spin_unlock_irqrestore(&sta->flaglock, flags); |
4fd6931e | 701 | |
51b50fbe JB |
702 | /* |
703 | * cfg80211 validates this (1-2007) and allows setting the AID | |
704 | * only when creating a new station entry | |
705 | */ | |
706 | if (params->aid) | |
707 | sta->sta.aid = params->aid; | |
708 | ||
73651ee6 JB |
709 | /* |
710 | * FIXME: updating the following information is racy when this | |
711 | * function is called from ieee80211_change_station(). | |
712 | * However, all this information should be static so | |
713 | * maybe we should just reject attemps to change it. | |
714 | */ | |
715 | ||
4fd6931e JB |
716 | if (params->listen_interval >= 0) |
717 | sta->listen_interval = params->listen_interval; | |
718 | ||
719 | if (params->supported_rates) { | |
720 | rates = 0; | |
8318d78a | 721 | |
4fd6931e JB |
722 | for (i = 0; i < params->supported_rates_len; i++) { |
723 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
724 | for (j = 0; j < sband->n_bitrates; j++) { |
725 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
726 | rates |= BIT(j); |
727 | } | |
728 | } | |
323ce79a | 729 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 730 | } |
c5dd9c2b | 731 | |
d9fe60de | 732 | if (params->ht_capa) |
ae5eb026 JB |
733 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
734 | params->ht_capa, | |
d9fe60de | 735 | &sta->sta.ht_cap); |
36aedc90 | 736 | |
902acc78 | 737 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) { |
c5dd9c2b LCC |
738 | switch (params->plink_action) { |
739 | case PLINK_ACTION_OPEN: | |
740 | mesh_plink_open(sta); | |
741 | break; | |
742 | case PLINK_ACTION_BLOCK: | |
743 | mesh_plink_block(sta); | |
744 | break; | |
745 | } | |
902acc78 | 746 | } |
4fd6931e JB |
747 | } |
748 | ||
749 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
750 | u8 *mac, struct station_parameters *params) | |
751 | { | |
14db74bc | 752 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
753 | struct sta_info *sta; |
754 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 755 | int err; |
b8d476c8 | 756 | int layer2_update; |
4fd6931e | 757 | |
4fd6931e JB |
758 | if (params->vlan) { |
759 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
760 | ||
05c914fe JB |
761 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
762 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
763 | return -EINVAL; |
764 | } else | |
765 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
766 | ||
47846c9b | 767 | if (compare_ether_addr(mac, sdata->vif.addr) == 0) |
03e4497e JB |
768 | return -EINVAL; |
769 | ||
770 | if (is_multicast_ether_addr(mac)) | |
771 | return -EINVAL; | |
772 | ||
773 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
774 | if (!sta) |
775 | return -ENOMEM; | |
4fd6931e JB |
776 | |
777 | sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; | |
778 | ||
779 | sta_apply_parameters(local, sta, params); | |
780 | ||
4b7679a5 | 781 | rate_control_rate_init(sta); |
4fd6931e | 782 | |
b8d476c8 JM |
783 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
784 | sdata->vif.type == NL80211_IFTYPE_AP; | |
785 | ||
34e89507 | 786 | err = sta_info_insert_rcu(sta); |
73651ee6 | 787 | if (err) { |
73651ee6 JB |
788 | rcu_read_unlock(); |
789 | return err; | |
790 | } | |
791 | ||
b8d476c8 | 792 | if (layer2_update) |
73651ee6 JB |
793 | ieee80211_send_layer2_update(sta); |
794 | ||
795 | rcu_read_unlock(); | |
796 | ||
4fd6931e JB |
797 | return 0; |
798 | } | |
799 | ||
800 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
801 | u8 *mac) | |
802 | { | |
14db74bc JB |
803 | struct ieee80211_local *local = wiphy_priv(wiphy); |
804 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 805 | |
14db74bc JB |
806 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
807 | ||
34e89507 JB |
808 | if (mac) |
809 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 810 | |
34e89507 | 811 | sta_info_flush(local, sdata); |
4fd6931e JB |
812 | return 0; |
813 | } | |
814 | ||
815 | static int ieee80211_change_station(struct wiphy *wiphy, | |
816 | struct net_device *dev, | |
817 | u8 *mac, | |
818 | struct station_parameters *params) | |
819 | { | |
abe60632 | 820 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 821 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
822 | struct sta_info *sta; |
823 | struct ieee80211_sub_if_data *vlansdata; | |
824 | ||
98dd6a57 JB |
825 | rcu_read_lock(); |
826 | ||
0e5ded5a | 827 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 JB |
828 | if (!sta) { |
829 | rcu_read_unlock(); | |
4fd6931e | 830 | return -ENOENT; |
98dd6a57 | 831 | } |
4fd6931e | 832 | |
d0709a65 | 833 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
834 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
835 | ||
05c914fe JB |
836 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
837 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 838 | rcu_read_unlock(); |
4fd6931e | 839 | return -EINVAL; |
98dd6a57 | 840 | } |
4fd6931e | 841 | |
9bc383de | 842 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c JB |
843 | if (vlansdata->u.vlan.sta) { |
844 | rcu_read_unlock(); | |
f14543ee | 845 | return -EBUSY; |
3305443c | 846 | } |
f14543ee FF |
847 | |
848 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); | |
849 | } | |
850 | ||
14db74bc | 851 | sta->sdata = vlansdata; |
4fd6931e JB |
852 | ieee80211_send_layer2_update(sta); |
853 | } | |
854 | ||
855 | sta_apply_parameters(local, sta, params); | |
856 | ||
98dd6a57 JB |
857 | rcu_read_unlock(); |
858 | ||
808118cb JY |
859 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
860 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
861 | ieee80211_recalc_ps(local, -1); | |
862 | ||
4fd6931e JB |
863 | return 0; |
864 | } | |
865 | ||
c5dd9c2b LCC |
866 | #ifdef CONFIG_MAC80211_MESH |
867 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
868 | u8 *dst, u8 *next_hop) | |
869 | { | |
14db74bc | 870 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
871 | struct mesh_path *mpath; |
872 | struct sta_info *sta; | |
873 | int err; | |
874 | ||
14db74bc JB |
875 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
876 | ||
d0709a65 | 877 | rcu_read_lock(); |
abe60632 | 878 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
879 | if (!sta) { |
880 | rcu_read_unlock(); | |
c5dd9c2b | 881 | return -ENOENT; |
d0709a65 | 882 | } |
c5dd9c2b | 883 | |
f698d856 | 884 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
885 | if (err) { |
886 | rcu_read_unlock(); | |
c5dd9c2b | 887 | return err; |
d0709a65 | 888 | } |
c5dd9c2b | 889 | |
f698d856 | 890 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
891 | if (!mpath) { |
892 | rcu_read_unlock(); | |
c5dd9c2b LCC |
893 | return -ENXIO; |
894 | } | |
895 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 896 | |
c5dd9c2b LCC |
897 | rcu_read_unlock(); |
898 | return 0; | |
899 | } | |
900 | ||
901 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
902 | u8 *dst) | |
903 | { | |
f698d856 JBG |
904 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
905 | ||
c5dd9c2b | 906 | if (dst) |
f698d856 | 907 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 908 | |
f698d856 | 909 | mesh_path_flush(sdata); |
c5dd9c2b LCC |
910 | return 0; |
911 | } | |
912 | ||
913 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
914 | struct net_device *dev, | |
915 | u8 *dst, u8 *next_hop) | |
916 | { | |
14db74bc | 917 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
918 | struct mesh_path *mpath; |
919 | struct sta_info *sta; | |
920 | ||
14db74bc JB |
921 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
922 | ||
d0709a65 JB |
923 | rcu_read_lock(); |
924 | ||
abe60632 | 925 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
926 | if (!sta) { |
927 | rcu_read_unlock(); | |
c5dd9c2b | 928 | return -ENOENT; |
d0709a65 | 929 | } |
c5dd9c2b | 930 | |
f698d856 | 931 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
932 | if (!mpath) { |
933 | rcu_read_unlock(); | |
c5dd9c2b LCC |
934 | return -ENOENT; |
935 | } | |
936 | ||
937 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 938 | |
c5dd9c2b LCC |
939 | rcu_read_unlock(); |
940 | return 0; | |
941 | } | |
942 | ||
943 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
944 | struct mpath_info *pinfo) | |
945 | { | |
946 | if (mpath->next_hop) | |
17741cdc | 947 | memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN); |
c5dd9c2b LCC |
948 | else |
949 | memset(next_hop, 0, ETH_ALEN); | |
950 | ||
f5ea9120 JB |
951 | pinfo->generation = mesh_paths_generation; |
952 | ||
c5dd9c2b | 953 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 954 | MPATH_INFO_SN | |
c5dd9c2b LCC |
955 | MPATH_INFO_METRIC | |
956 | MPATH_INFO_EXPTIME | | |
957 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
958 | MPATH_INFO_DISCOVERY_RETRIES | | |
959 | MPATH_INFO_FLAGS; | |
960 | ||
961 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 962 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
963 | pinfo->metric = mpath->metric; |
964 | if (time_before(jiffies, mpath->exp_time)) | |
965 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
966 | pinfo->discovery_timeout = | |
967 | jiffies_to_msecs(mpath->discovery_timeout); | |
968 | pinfo->discovery_retries = mpath->discovery_retries; | |
969 | pinfo->flags = 0; | |
970 | if (mpath->flags & MESH_PATH_ACTIVE) | |
971 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
972 | if (mpath->flags & MESH_PATH_RESOLVING) | |
973 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
974 | if (mpath->flags & MESH_PATH_SN_VALID) |
975 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
976 | if (mpath->flags & MESH_PATH_FIXED) |
977 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
978 | if (mpath->flags & MESH_PATH_RESOLVING) | |
979 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
980 | ||
981 | pinfo->flags = mpath->flags; | |
982 | } | |
983 | ||
984 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
985 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
986 | ||
987 | { | |
14db74bc | 988 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
989 | struct mesh_path *mpath; |
990 | ||
14db74bc JB |
991 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
992 | ||
c5dd9c2b | 993 | rcu_read_lock(); |
f698d856 | 994 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
995 | if (!mpath) { |
996 | rcu_read_unlock(); | |
997 | return -ENOENT; | |
998 | } | |
999 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1000 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1001 | rcu_read_unlock(); | |
1002 | return 0; | |
1003 | } | |
1004 | ||
1005 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1006 | int idx, u8 *dst, u8 *next_hop, | |
1007 | struct mpath_info *pinfo) | |
1008 | { | |
14db74bc | 1009 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1010 | struct mesh_path *mpath; |
1011 | ||
14db74bc JB |
1012 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1013 | ||
c5dd9c2b | 1014 | rcu_read_lock(); |
f698d856 | 1015 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
1016 | if (!mpath) { |
1017 | rcu_read_unlock(); | |
1018 | return -ENOENT; | |
1019 | } | |
1020 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1021 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1022 | rcu_read_unlock(); | |
1023 | return 0; | |
1024 | } | |
93da9cc1 | 1025 | |
24bdd9f4 | 1026 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1027 | struct net_device *dev, |
1028 | struct mesh_config *conf) | |
1029 | { | |
1030 | struct ieee80211_sub_if_data *sdata; | |
1031 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1032 | ||
93da9cc1 | 1033 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1034 | return 0; | |
1035 | } | |
1036 | ||
1037 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1038 | { | |
1039 | return (mask >> (parm-1)) & 0x1; | |
1040 | } | |
1041 | ||
c80d545d JC |
1042 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1043 | const struct mesh_setup *setup) | |
1044 | { | |
1045 | u8 *new_ie; | |
1046 | const u8 *old_ie; | |
1047 | ||
581a8b0f | 1048 | /* allocate information elements */ |
c80d545d | 1049 | new_ie = NULL; |
581a8b0f | 1050 | old_ie = ifmsh->ie; |
c80d545d | 1051 | |
581a8b0f JC |
1052 | if (setup->ie_len) { |
1053 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1054 | GFP_KERNEL); |
1055 | if (!new_ie) | |
1056 | return -ENOMEM; | |
1057 | } | |
581a8b0f JC |
1058 | ifmsh->ie_len = setup->ie_len; |
1059 | ifmsh->ie = new_ie; | |
1060 | kfree(old_ie); | |
c80d545d JC |
1061 | |
1062 | /* now copy the rest of the setup parameters */ | |
1063 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1064 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
1065 | ifmsh->mesh_pp_id = setup->path_sel_proto; | |
1066 | ifmsh->mesh_pm_id = setup->path_metric; | |
5cff5e01 | 1067 | ifmsh->is_secure = setup->is_secure; |
c80d545d JC |
1068 | |
1069 | return 0; | |
1070 | } | |
1071 | ||
24bdd9f4 | 1072 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1073 | struct net_device *dev, u32 mask, |
1074 | const struct mesh_config *nconf) | |
93da9cc1 | 1075 | { |
1076 | struct mesh_config *conf; | |
1077 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1078 | struct ieee80211_if_mesh *ifmsh; |
1079 | ||
93da9cc1 | 1080 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1081 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1082 | |
93da9cc1 | 1083 | /* Set the config options which we are interested in setting */ |
1084 | conf = &(sdata->u.mesh.mshcfg); | |
1085 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1086 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1087 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1088 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1089 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1090 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1091 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1092 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1093 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1094 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1095 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1096 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 JC |
1097 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
1098 | conf->dot11MeshTTL = nconf->element_ttl; | |
93da9cc1 | 1099 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) |
1100 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1101 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1102 | conf->dot11MeshHWMPmaxPREQretries = | |
1103 | nconf->dot11MeshHWMPmaxPREQretries; | |
1104 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1105 | conf->path_refresh_time = nconf->path_refresh_time; | |
1106 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1107 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1108 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1109 | conf->dot11MeshHWMPactivePathTimeout = | |
1110 | nconf->dot11MeshHWMPactivePathTimeout; | |
1111 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1112 | conf->dot11MeshHWMPpreqMinInterval = | |
1113 | nconf->dot11MeshHWMPpreqMinInterval; | |
1114 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1115 | mask)) | |
1116 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1117 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1118 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1119 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1120 | ieee80211_mesh_root_setup(ifmsh); | |
1121 | } | |
93da9cc1 | 1122 | return 0; |
1123 | } | |
1124 | ||
29cbe68c JB |
1125 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1126 | const struct mesh_config *conf, | |
1127 | const struct mesh_setup *setup) | |
1128 | { | |
1129 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1130 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1131 | int err; |
29cbe68c | 1132 | |
c80d545d JC |
1133 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1134 | err = copy_mesh_setup(ifmsh, setup); | |
1135 | if (err) | |
1136 | return err; | |
29cbe68c JB |
1137 | ieee80211_start_mesh(sdata); |
1138 | ||
1139 | return 0; | |
1140 | } | |
1141 | ||
1142 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1143 | { | |
1144 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1145 | ||
1146 | ieee80211_stop_mesh(sdata); | |
1147 | ||
1148 | return 0; | |
1149 | } | |
c5dd9c2b LCC |
1150 | #endif |
1151 | ||
9f1ba906 JM |
1152 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1153 | struct net_device *dev, | |
1154 | struct bss_parameters *params) | |
1155 | { | |
9f1ba906 JM |
1156 | struct ieee80211_sub_if_data *sdata; |
1157 | u32 changed = 0; | |
1158 | ||
9f1ba906 JM |
1159 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1160 | ||
9f1ba906 | 1161 | if (params->use_cts_prot >= 0) { |
bda3933a | 1162 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1163 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1164 | } | |
1165 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1166 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1167 | params->use_short_preamble; |
1168 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1169 | } | |
43d35343 FF |
1170 | |
1171 | if (!sdata->vif.bss_conf.use_short_slot && | |
1172 | sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) { | |
1173 | sdata->vif.bss_conf.use_short_slot = true; | |
1174 | changed |= BSS_CHANGED_ERP_SLOT; | |
1175 | } | |
1176 | ||
9f1ba906 | 1177 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1178 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1179 | params->use_short_slot_time; |
1180 | changed |= BSS_CHANGED_ERP_SLOT; | |
1181 | } | |
1182 | ||
90c97a04 JM |
1183 | if (params->basic_rates) { |
1184 | int i, j; | |
1185 | u32 rates = 0; | |
1186 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1187 | struct ieee80211_supported_band *sband = | |
1188 | wiphy->bands[local->oper_channel->band]; | |
1189 | ||
1190 | for (i = 0; i < params->basic_rates_len; i++) { | |
1191 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1192 | for (j = 0; j < sband->n_bitrates; j++) { | |
1193 | if (sband->bitrates[j].bitrate == rate) | |
1194 | rates |= BIT(j); | |
1195 | } | |
1196 | } | |
1197 | sdata->vif.bss_conf.basic_rates = rates; | |
1198 | changed |= BSS_CHANGED_BASIC_RATES; | |
1199 | } | |
1200 | ||
7b7b5e56 FF |
1201 | if (params->ap_isolate >= 0) { |
1202 | if (params->ap_isolate) | |
1203 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1204 | else | |
1205 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1206 | } | |
1207 | ||
80d7e403 HS |
1208 | if (params->ht_opmode >= 0) { |
1209 | sdata->vif.bss_conf.ht_operation_mode = | |
1210 | (u16) params->ht_opmode; | |
1211 | changed |= BSS_CHANGED_HT; | |
1212 | } | |
1213 | ||
9f1ba906 JM |
1214 | ieee80211_bss_info_change_notify(sdata, changed); |
1215 | ||
1216 | return 0; | |
1217 | } | |
1218 | ||
31888487 JM |
1219 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
1220 | struct ieee80211_txq_params *params) | |
1221 | { | |
1222 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1223 | struct ieee80211_tx_queue_params p; | |
1224 | ||
1225 | if (!local->ops->conf_tx) | |
1226 | return -EOPNOTSUPP; | |
1227 | ||
1228 | memset(&p, 0, sizeof(p)); | |
1229 | p.aifs = params->aifs; | |
1230 | p.cw_max = params->cwmax; | |
1231 | p.cw_min = params->cwmin; | |
1232 | p.txop = params->txop; | |
ab13315a KV |
1233 | |
1234 | /* | |
1235 | * Setting tx queue params disables u-apsd because it's only | |
1236 | * called in master mode. | |
1237 | */ | |
1238 | p.uapsd = false; | |
1239 | ||
24487981 | 1240 | if (drv_conf_tx(local, params->queue, &p)) { |
0fb9a9ec JP |
1241 | wiphy_debug(local->hw.wiphy, |
1242 | "failed to set TX queue parameters for queue %d\n", | |
1243 | params->queue); | |
31888487 JM |
1244 | return -EINVAL; |
1245 | } | |
1246 | ||
1247 | return 0; | |
1248 | } | |
1249 | ||
72bdcf34 | 1250 | static int ieee80211_set_channel(struct wiphy *wiphy, |
f444de05 | 1251 | struct net_device *netdev, |
72bdcf34 | 1252 | struct ieee80211_channel *chan, |
094d05dc | 1253 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1254 | { |
1255 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
0aaffa9b | 1256 | struct ieee80211_sub_if_data *sdata = NULL; |
eeabee7e BG |
1257 | struct ieee80211_channel *old_oper; |
1258 | enum nl80211_channel_type old_oper_type; | |
1259 | enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT; | |
0aaffa9b JB |
1260 | |
1261 | if (netdev) | |
1262 | sdata = IEEE80211_DEV_TO_SUB_IF(netdev); | |
72bdcf34 | 1263 | |
f444de05 JB |
1264 | switch (ieee80211_get_channel_mode(local, NULL)) { |
1265 | case CHAN_MODE_HOPPING: | |
1266 | return -EBUSY; | |
1267 | case CHAN_MODE_FIXED: | |
0aaffa9b JB |
1268 | if (local->oper_channel != chan) |
1269 | return -EBUSY; | |
1270 | if (!sdata && local->_oper_channel_type == channel_type) | |
f444de05 | 1271 | return 0; |
0aaffa9b | 1272 | break; |
f444de05 JB |
1273 | case CHAN_MODE_UNDEFINED: |
1274 | break; | |
1275 | } | |
72bdcf34 | 1276 | |
eeabee7e BG |
1277 | if (sdata) |
1278 | old_vif_oper_type = sdata->vif.bss_conf.channel_type; | |
1279 | old_oper_type = local->_oper_channel_type; | |
72bdcf34 | 1280 | |
0aaffa9b JB |
1281 | if (!ieee80211_set_channel_type(local, sdata, channel_type)) |
1282 | return -EBUSY; | |
1283 | ||
eeabee7e BG |
1284 | old_oper = local->oper_channel; |
1285 | local->oper_channel = chan; | |
1286 | ||
1287 | /* Update driver if changes were actually made. */ | |
1288 | if ((old_oper != local->oper_channel) || | |
1289 | (old_oper_type != local->_oper_channel_type)) | |
1290 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1291 | ||
1292 | if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) && | |
1293 | old_vif_oper_type != sdata->vif.bss_conf.channel_type) | |
0aaffa9b JB |
1294 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); |
1295 | ||
1296 | return 0; | |
72bdcf34 JM |
1297 | } |
1298 | ||
665af4fc BC |
1299 | #ifdef CONFIG_PM |
1300 | static int ieee80211_suspend(struct wiphy *wiphy) | |
1301 | { | |
1302 | return __ieee80211_suspend(wiphy_priv(wiphy)); | |
1303 | } | |
1304 | ||
1305 | static int ieee80211_resume(struct wiphy *wiphy) | |
1306 | { | |
1307 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1308 | } | |
1309 | #else | |
1310 | #define ieee80211_suspend NULL | |
1311 | #define ieee80211_resume NULL | |
1312 | #endif | |
1313 | ||
2a519311 JB |
1314 | static int ieee80211_scan(struct wiphy *wiphy, |
1315 | struct net_device *dev, | |
1316 | struct cfg80211_scan_request *req) | |
1317 | { | |
2ca27bcf | 1318 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2a519311 | 1319 | |
2ca27bcf JB |
1320 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1321 | case NL80211_IFTYPE_STATION: | |
1322 | case NL80211_IFTYPE_ADHOC: | |
1323 | case NL80211_IFTYPE_MESH_POINT: | |
1324 | case NL80211_IFTYPE_P2P_CLIENT: | |
1325 | break; | |
1326 | case NL80211_IFTYPE_P2P_GO: | |
1327 | if (sdata->local->ops->hw_scan) | |
1328 | break; | |
e9d7732e JB |
1329 | /* |
1330 | * FIXME: implement NoA while scanning in software, | |
1331 | * for now fall through to allow scanning only when | |
1332 | * beaconing hasn't been configured yet | |
1333 | */ | |
2ca27bcf JB |
1334 | case NL80211_IFTYPE_AP: |
1335 | if (sdata->u.ap.beacon) | |
1336 | return -EOPNOTSUPP; | |
1337 | break; | |
1338 | default: | |
1339 | return -EOPNOTSUPP; | |
1340 | } | |
2a519311 JB |
1341 | |
1342 | return ieee80211_request_scan(sdata, req); | |
1343 | } | |
1344 | ||
636a5d36 JM |
1345 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1346 | struct cfg80211_auth_request *req) | |
1347 | { | |
77fdaa12 | 1348 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1349 | } |
1350 | ||
1351 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1352 | struct cfg80211_assoc_request *req) | |
1353 | { | |
f444de05 JB |
1354 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1355 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1356 | ||
1357 | switch (ieee80211_get_channel_mode(local, sdata)) { | |
1358 | case CHAN_MODE_HOPPING: | |
1359 | return -EBUSY; | |
1360 | case CHAN_MODE_FIXED: | |
1361 | if (local->oper_channel == req->bss->channel) | |
1362 | break; | |
1363 | return -EBUSY; | |
1364 | case CHAN_MODE_UNDEFINED: | |
1365 | break; | |
1366 | } | |
1367 | ||
77fdaa12 | 1368 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1369 | } |
1370 | ||
1371 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1372 | struct cfg80211_deauth_request *req, |
1373 | void *cookie) | |
636a5d36 | 1374 | { |
667503dd JB |
1375 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), |
1376 | req, cookie); | |
636a5d36 JM |
1377 | } |
1378 | ||
1379 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1380 | struct cfg80211_disassoc_request *req, |
1381 | void *cookie) | |
636a5d36 | 1382 | { |
667503dd JB |
1383 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), |
1384 | req, cookie); | |
636a5d36 JM |
1385 | } |
1386 | ||
af8cdcd8 JB |
1387 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1388 | struct cfg80211_ibss_params *params) | |
1389 | { | |
f444de05 | 1390 | struct ieee80211_local *local = wiphy_priv(wiphy); |
af8cdcd8 JB |
1391 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1392 | ||
f444de05 JB |
1393 | switch (ieee80211_get_channel_mode(local, sdata)) { |
1394 | case CHAN_MODE_HOPPING: | |
1395 | return -EBUSY; | |
1396 | case CHAN_MODE_FIXED: | |
1397 | if (!params->channel_fixed) | |
1398 | return -EBUSY; | |
1399 | if (local->oper_channel == params->channel) | |
1400 | break; | |
1401 | return -EBUSY; | |
1402 | case CHAN_MODE_UNDEFINED: | |
1403 | break; | |
1404 | } | |
1405 | ||
af8cdcd8 JB |
1406 | return ieee80211_ibss_join(sdata, params); |
1407 | } | |
1408 | ||
1409 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1410 | { | |
1411 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1412 | ||
1413 | return ieee80211_ibss_leave(sdata); | |
1414 | } | |
1415 | ||
b9a5f8ca JM |
1416 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1417 | { | |
1418 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1419 | int err; |
b9a5f8ca | 1420 | |
f23a4780 AN |
1421 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
1422 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
1423 | ||
1424 | if (err) | |
1425 | return err; | |
1426 | } | |
1427 | ||
310bc676 LT |
1428 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1429 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1430 | ||
1431 | if (err) | |
1432 | return err; | |
1433 | } | |
1434 | ||
b9a5f8ca | 1435 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1436 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1437 | |
24487981 JB |
1438 | if (err) |
1439 | return err; | |
b9a5f8ca JM |
1440 | } |
1441 | ||
1442 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1443 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1444 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1445 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1446 | if (changed & | |
1447 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1448 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1449 | ||
1450 | return 0; | |
1451 | } | |
1452 | ||
7643a2c3 | 1453 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1454 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1455 | { |
1456 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1457 | struct ieee80211_channel *chan = local->hw.conf.channel; | |
1458 | u32 changes = 0; | |
7643a2c3 JB |
1459 | |
1460 | switch (type) { | |
fa61cf70 | 1461 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1462 | local->user_power_level = -1; |
1463 | break; | |
fa61cf70 JO |
1464 | case NL80211_TX_POWER_LIMITED: |
1465 | if (mbm < 0 || (mbm % 100)) | |
1466 | return -EOPNOTSUPP; | |
1467 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1468 | break; |
fa61cf70 JO |
1469 | case NL80211_TX_POWER_FIXED: |
1470 | if (mbm < 0 || (mbm % 100)) | |
1471 | return -EOPNOTSUPP; | |
7643a2c3 | 1472 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1473 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1474 | return -EINVAL; |
fa61cf70 | 1475 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1476 | break; |
7643a2c3 JB |
1477 | } |
1478 | ||
1479 | ieee80211_hw_config(local, changes); | |
1480 | ||
1481 | return 0; | |
1482 | } | |
1483 | ||
1484 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1485 | { | |
1486 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1487 | ||
1488 | *dbm = local->hw.conf.power_level; | |
1489 | ||
7643a2c3 JB |
1490 | return 0; |
1491 | } | |
1492 | ||
ab737a4f | 1493 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 1494 | const u8 *addr) |
ab737a4f JB |
1495 | { |
1496 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1497 | ||
1498 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1499 | ||
1500 | return 0; | |
1501 | } | |
1502 | ||
1f87f7d3 JB |
1503 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1504 | { | |
1505 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1506 | ||
1507 | drv_rfkill_poll(local); | |
1508 | } | |
1509 | ||
aff89a9b | 1510 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1511 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1512 | { |
1513 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1514 | ||
1515 | if (!local->ops->testmode_cmd) | |
1516 | return -EOPNOTSUPP; | |
1517 | ||
1518 | return local->ops->testmode_cmd(&local->hw, data, len); | |
1519 | } | |
1520 | #endif | |
1521 | ||
0f78231b JB |
1522 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1523 | enum ieee80211_smps_mode smps_mode) | |
1524 | { | |
1525 | const u8 *ap; | |
1526 | enum ieee80211_smps_mode old_req; | |
1527 | int err; | |
1528 | ||
243e6df4 JB |
1529 | lockdep_assert_held(&sdata->u.mgd.mtx); |
1530 | ||
0f78231b JB |
1531 | old_req = sdata->u.mgd.req_smps; |
1532 | sdata->u.mgd.req_smps = smps_mode; | |
1533 | ||
1534 | if (old_req == smps_mode && | |
1535 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
1536 | return 0; | |
1537 | ||
1538 | /* | |
1539 | * If not associated, or current association is not an HT | |
1540 | * association, there's no need to send an action frame. | |
1541 | */ | |
1542 | if (!sdata->u.mgd.associated || | |
0aaffa9b | 1543 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { |
0f78231b | 1544 | mutex_lock(&sdata->local->iflist_mtx); |
025e6be2 | 1545 | ieee80211_recalc_smps(sdata->local); |
0f78231b JB |
1546 | mutex_unlock(&sdata->local->iflist_mtx); |
1547 | return 0; | |
1548 | } | |
1549 | ||
0c1ad2ca | 1550 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
1551 | |
1552 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
1553 | if (sdata->u.mgd.powersave) | |
1554 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
1555 | else | |
1556 | smps_mode = IEEE80211_SMPS_OFF; | |
1557 | } | |
1558 | ||
1559 | /* send SM PS frame to AP */ | |
1560 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
1561 | ap, ap); | |
1562 | if (err) | |
1563 | sdata->u.mgd.req_smps = old_req; | |
1564 | ||
1565 | return err; | |
1566 | } | |
1567 | ||
bc92afd9 JB |
1568 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
1569 | bool enabled, int timeout) | |
1570 | { | |
1571 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1572 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 1573 | |
e5de30c9 BP |
1574 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
1575 | return -EOPNOTSUPP; | |
1576 | ||
bc92afd9 JB |
1577 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
1578 | return -EOPNOTSUPP; | |
1579 | ||
1580 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 1581 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
1582 | return 0; |
1583 | ||
1584 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 1585 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 1586 | |
0f78231b JB |
1587 | /* no change, but if automatic follow powersave */ |
1588 | mutex_lock(&sdata->u.mgd.mtx); | |
1589 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
1590 | mutex_unlock(&sdata->u.mgd.mtx); | |
1591 | ||
bc92afd9 JB |
1592 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
1593 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
1594 | ||
1595 | ieee80211_recalc_ps(local, -1); | |
1596 | ||
1597 | return 0; | |
1598 | } | |
1599 | ||
a97c13c3 JO |
1600 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
1601 | struct net_device *dev, | |
1602 | s32 rssi_thold, u32 rssi_hyst) | |
1603 | { | |
1604 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1605 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1606 | struct ieee80211_vif *vif = &sdata->vif; | |
1607 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
1608 | ||
a97c13c3 JO |
1609 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
1610 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
1611 | return 0; | |
1612 | ||
1613 | bss_conf->cqm_rssi_thold = rssi_thold; | |
1614 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
1615 | ||
17e4ec14 JM |
1616 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { |
1617 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
1618 | return -EOPNOTSUPP; | |
1619 | return 0; | |
1620 | } | |
1621 | ||
a97c13c3 JO |
1622 | /* tell the driver upon association, unless already associated */ |
1623 | if (sdata->u.mgd.associated) | |
1624 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); | |
1625 | ||
1626 | return 0; | |
1627 | } | |
1628 | ||
9930380f JB |
1629 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
1630 | struct net_device *dev, | |
1631 | const u8 *addr, | |
1632 | const struct cfg80211_bitrate_mask *mask) | |
1633 | { | |
1634 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1635 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
2c7e6bc9 | 1636 | int i; |
9930380f | 1637 | |
2c7e6bc9 JB |
1638 | /* |
1639 | * This _could_ be supported by providing a hook for | |
1640 | * drivers for this function, but at this point it | |
1641 | * doesn't seem worth bothering. | |
1642 | */ | |
1643 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) | |
1644 | return -EOPNOTSUPP; | |
1645 | ||
9930380f | 1646 | |
37eb0b16 JM |
1647 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
1648 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; | |
9930380f | 1649 | |
37eb0b16 | 1650 | return 0; |
9930380f JB |
1651 | } |
1652 | ||
21f83589 JB |
1653 | static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local, |
1654 | struct net_device *dev, | |
1655 | struct ieee80211_channel *chan, | |
1656 | enum nl80211_channel_type chantype, | |
1657 | unsigned int duration, u64 *cookie) | |
1658 | { | |
1659 | int ret; | |
1660 | u32 random_cookie; | |
1661 | ||
1662 | lockdep_assert_held(&local->mtx); | |
1663 | ||
1664 | if (local->hw_roc_cookie) | |
1665 | return -EBUSY; | |
1666 | /* must be nonzero */ | |
1667 | random_cookie = random32() | 1; | |
1668 | ||
1669 | *cookie = random_cookie; | |
1670 | local->hw_roc_dev = dev; | |
1671 | local->hw_roc_cookie = random_cookie; | |
1672 | local->hw_roc_channel = chan; | |
1673 | local->hw_roc_channel_type = chantype; | |
1674 | local->hw_roc_duration = duration; | |
1675 | ret = drv_remain_on_channel(local, chan, chantype, duration); | |
1676 | if (ret) { | |
1677 | local->hw_roc_channel = NULL; | |
1678 | local->hw_roc_cookie = 0; | |
1679 | } | |
1680 | ||
1681 | return ret; | |
1682 | } | |
1683 | ||
b8bc4b0a JB |
1684 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
1685 | struct net_device *dev, | |
1686 | struct ieee80211_channel *chan, | |
1687 | enum nl80211_channel_type channel_type, | |
1688 | unsigned int duration, | |
1689 | u64 *cookie) | |
1690 | { | |
1691 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
21f83589 JB |
1692 | struct ieee80211_local *local = sdata->local; |
1693 | ||
1694 | if (local->ops->remain_on_channel) { | |
1695 | int ret; | |
1696 | ||
1697 | mutex_lock(&local->mtx); | |
1698 | ret = ieee80211_remain_on_channel_hw(local, dev, | |
1699 | chan, channel_type, | |
1700 | duration, cookie); | |
90fc4b3a | 1701 | local->hw_roc_for_tx = false; |
21f83589 JB |
1702 | mutex_unlock(&local->mtx); |
1703 | ||
1704 | return ret; | |
1705 | } | |
b8bc4b0a JB |
1706 | |
1707 | return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, | |
1708 | duration, cookie); | |
1709 | } | |
1710 | ||
21f83589 JB |
1711 | static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local, |
1712 | u64 cookie) | |
1713 | { | |
1714 | int ret; | |
1715 | ||
1716 | lockdep_assert_held(&local->mtx); | |
1717 | ||
1718 | if (local->hw_roc_cookie != cookie) | |
1719 | return -ENOENT; | |
1720 | ||
1721 | ret = drv_cancel_remain_on_channel(local); | |
1722 | if (ret) | |
1723 | return ret; | |
1724 | ||
1725 | local->hw_roc_cookie = 0; | |
1726 | local->hw_roc_channel = NULL; | |
1727 | ||
1728 | ieee80211_recalc_idle(local); | |
1729 | ||
1730 | return 0; | |
1731 | } | |
1732 | ||
b8bc4b0a JB |
1733 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
1734 | struct net_device *dev, | |
1735 | u64 cookie) | |
1736 | { | |
1737 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
21f83589 JB |
1738 | struct ieee80211_local *local = sdata->local; |
1739 | ||
1740 | if (local->ops->cancel_remain_on_channel) { | |
1741 | int ret; | |
1742 | ||
1743 | mutex_lock(&local->mtx); | |
1744 | ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); | |
1745 | mutex_unlock(&local->mtx); | |
1746 | ||
1747 | return ret; | |
1748 | } | |
b8bc4b0a JB |
1749 | |
1750 | return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); | |
1751 | } | |
1752 | ||
f30221e4 JB |
1753 | static enum work_done_result |
1754 | ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb) | |
1755 | { | |
1756 | /* | |
1757 | * Use the data embedded in the work struct for reporting | |
1758 | * here so if the driver mangled the SKB before dropping | |
1759 | * it (which is the only way we really should get here) | |
1760 | * then we don't report mangled data. | |
1761 | * | |
1762 | * If there was no wait time, then by the time we get here | |
1763 | * the driver will likely not have reported the status yet, | |
1764 | * so in that case userspace will have to deal with it. | |
1765 | */ | |
1766 | ||
1767 | if (wk->offchan_tx.wait && wk->offchan_tx.frame) | |
1768 | cfg80211_mgmt_tx_status(wk->sdata->dev, | |
1769 | (unsigned long) wk->offchan_tx.frame, | |
1770 | wk->ie, wk->ie_len, false, GFP_KERNEL); | |
1771 | ||
1772 | return WORK_DONE_DESTROY; | |
1773 | } | |
1774 | ||
2e161f78 | 1775 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, |
f7ca38df | 1776 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 1777 | enum nl80211_channel_type channel_type, |
f7ca38df | 1778 | bool channel_type_valid, unsigned int wait, |
2e161f78 | 1779 | const u8 *buf, size_t len, u64 *cookie) |
026331c4 | 1780 | { |
9d38d85d JB |
1781 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1782 | struct ieee80211_local *local = sdata->local; | |
1783 | struct sk_buff *skb; | |
1784 | struct sta_info *sta; | |
f30221e4 | 1785 | struct ieee80211_work *wk; |
9d38d85d JB |
1786 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
1787 | u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
1788 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
f30221e4 | 1789 | bool is_offchan = false; |
f7ca38df | 1790 | |
9d38d85d JB |
1791 | /* Check that we are on the requested channel for transmission */ |
1792 | if (chan != local->tmp_channel && | |
1793 | chan != local->oper_channel) | |
f30221e4 | 1794 | is_offchan = true; |
9d38d85d JB |
1795 | if (channel_type_valid && |
1796 | (channel_type != local->tmp_channel_type && | |
1797 | channel_type != local->_oper_channel_type)) | |
f30221e4 JB |
1798 | is_offchan = true; |
1799 | ||
21f83589 JB |
1800 | if (chan == local->hw_roc_channel) { |
1801 | /* TODO: check channel type? */ | |
1802 | is_offchan = false; | |
1803 | flags |= IEEE80211_TX_CTL_TX_OFFCHAN; | |
1804 | } | |
1805 | ||
f30221e4 | 1806 | if (is_offchan && !offchan) |
9d38d85d JB |
1807 | return -EBUSY; |
1808 | ||
1809 | switch (sdata->vif.type) { | |
1810 | case NL80211_IFTYPE_ADHOC: | |
663fcafd JB |
1811 | case NL80211_IFTYPE_AP: |
1812 | case NL80211_IFTYPE_AP_VLAN: | |
1813 | case NL80211_IFTYPE_P2P_GO: | |
c7108a71 | 1814 | case NL80211_IFTYPE_MESH_POINT: |
663fcafd JB |
1815 | if (!ieee80211_is_action(mgmt->frame_control) || |
1816 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
1817 | break; |
1818 | rcu_read_lock(); | |
1819 | sta = sta_info_get(sdata, mgmt->da); | |
1820 | rcu_read_unlock(); | |
1821 | if (!sta) | |
1822 | return -ENOLINK; | |
1823 | break; | |
1824 | case NL80211_IFTYPE_STATION: | |
663fcafd | 1825 | case NL80211_IFTYPE_P2P_CLIENT: |
9d38d85d JB |
1826 | break; |
1827 | default: | |
1828 | return -EOPNOTSUPP; | |
1829 | } | |
1830 | ||
1831 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); | |
1832 | if (!skb) | |
1833 | return -ENOMEM; | |
1834 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
1835 | ||
1836 | memcpy(skb_put(skb, len), buf, len); | |
1837 | ||
1838 | IEEE80211_SKB_CB(skb)->flags = flags; | |
1839 | ||
1840 | skb->dev = sdata->dev; | |
9d38d85d JB |
1841 | |
1842 | *cookie = (unsigned long) skb; | |
f30221e4 | 1843 | |
5f16a436 JB |
1844 | if (is_offchan && local->ops->offchannel_tx) { |
1845 | int ret; | |
1846 | ||
1847 | IEEE80211_SKB_CB(skb)->band = chan->band; | |
1848 | ||
1849 | mutex_lock(&local->mtx); | |
1850 | ||
1851 | if (local->hw_offchan_tx_cookie) { | |
1852 | mutex_unlock(&local->mtx); | |
1853 | return -EBUSY; | |
1854 | } | |
1855 | ||
1856 | /* TODO: bitrate control, TX processing? */ | |
1857 | ret = drv_offchannel_tx(local, skb, chan, channel_type, wait); | |
1858 | ||
1859 | if (ret == 0) | |
1860 | local->hw_offchan_tx_cookie = *cookie; | |
1861 | mutex_unlock(&local->mtx); | |
1862 | ||
1863 | /* | |
1864 | * Allow driver to return 1 to indicate it wants to have the | |
1865 | * frame transmitted with a remain_on_channel + regular TX. | |
1866 | */ | |
1867 | if (ret != 1) | |
1868 | return ret; | |
1869 | } | |
1870 | ||
90fc4b3a JB |
1871 | if (is_offchan && local->ops->remain_on_channel) { |
1872 | unsigned int duration; | |
1873 | int ret; | |
1874 | ||
1875 | mutex_lock(&local->mtx); | |
1876 | /* | |
1877 | * If the duration is zero, then the driver | |
1878 | * wouldn't actually do anything. Set it to | |
1879 | * 100 for now. | |
1880 | * | |
1881 | * TODO: cancel the off-channel operation | |
1882 | * when we get the SKB's TX status and | |
1883 | * the wait time was zero before. | |
1884 | */ | |
1885 | duration = 100; | |
1886 | if (wait) | |
1887 | duration = wait; | |
1888 | ret = ieee80211_remain_on_channel_hw(local, dev, chan, | |
1889 | channel_type, | |
1890 | duration, cookie); | |
1891 | if (ret) { | |
1892 | kfree_skb(skb); | |
1893 | mutex_unlock(&local->mtx); | |
1894 | return ret; | |
1895 | } | |
1896 | ||
1897 | local->hw_roc_for_tx = true; | |
1898 | local->hw_roc_duration = wait; | |
1899 | ||
1900 | /* | |
1901 | * queue up frame for transmission after | |
1902 | * ieee80211_ready_on_channel call | |
1903 | */ | |
1904 | ||
1905 | /* modify cookie to prevent API mismatches */ | |
1906 | *cookie ^= 2; | |
1907 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; | |
1908 | local->hw_roc_skb = skb; | |
4334ec85 | 1909 | local->hw_roc_skb_for_status = skb; |
90fc4b3a JB |
1910 | mutex_unlock(&local->mtx); |
1911 | ||
1912 | return 0; | |
1913 | } | |
1914 | ||
f30221e4 JB |
1915 | /* |
1916 | * Can transmit right away if the channel was the | |
1917 | * right one and there's no wait involved... If a | |
1918 | * wait is involved, we might otherwise not be on | |
1919 | * the right channel for long enough! | |
1920 | */ | |
1921 | if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) { | |
1922 | ieee80211_tx_skb(sdata, skb); | |
1923 | return 0; | |
1924 | } | |
1925 | ||
1926 | wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL); | |
1927 | if (!wk) { | |
1928 | kfree_skb(skb); | |
1929 | return -ENOMEM; | |
1930 | } | |
1931 | ||
1932 | wk->type = IEEE80211_WORK_OFFCHANNEL_TX; | |
1933 | wk->chan = chan; | |
4d51e149 | 1934 | wk->chan_type = channel_type; |
f30221e4 JB |
1935 | wk->sdata = sdata; |
1936 | wk->done = ieee80211_offchan_tx_done; | |
1937 | wk->offchan_tx.frame = skb; | |
1938 | wk->offchan_tx.wait = wait; | |
1939 | wk->ie_len = len; | |
1940 | memcpy(wk->ie, buf, len); | |
1941 | ||
1942 | ieee80211_add_work(wk); | |
9d38d85d | 1943 | return 0; |
026331c4 JM |
1944 | } |
1945 | ||
f30221e4 JB |
1946 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
1947 | struct net_device *dev, | |
1948 | u64 cookie) | |
1949 | { | |
1950 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1951 | struct ieee80211_local *local = sdata->local; | |
1952 | struct ieee80211_work *wk; | |
1953 | int ret = -ENOENT; | |
1954 | ||
1955 | mutex_lock(&local->mtx); | |
90fc4b3a | 1956 | |
5f16a436 JB |
1957 | if (local->ops->offchannel_tx_cancel_wait && |
1958 | local->hw_offchan_tx_cookie == cookie) { | |
1959 | ret = drv_offchannel_tx_cancel_wait(local); | |
1960 | ||
1961 | if (!ret) | |
1962 | local->hw_offchan_tx_cookie = 0; | |
1963 | ||
1964 | mutex_unlock(&local->mtx); | |
1965 | ||
1966 | return ret; | |
1967 | } | |
1968 | ||
90fc4b3a JB |
1969 | if (local->ops->cancel_remain_on_channel) { |
1970 | cookie ^= 2; | |
1971 | ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); | |
1972 | ||
1973 | if (ret == 0) { | |
1974 | kfree_skb(local->hw_roc_skb); | |
1975 | local->hw_roc_skb = NULL; | |
4334ec85 | 1976 | local->hw_roc_skb_for_status = NULL; |
90fc4b3a JB |
1977 | } |
1978 | ||
1979 | mutex_unlock(&local->mtx); | |
1980 | ||
1981 | return ret; | |
1982 | } | |
1983 | ||
f30221e4 JB |
1984 | list_for_each_entry(wk, &local->work_list, list) { |
1985 | if (wk->sdata != sdata) | |
1986 | continue; | |
1987 | ||
1988 | if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) | |
1989 | continue; | |
1990 | ||
1991 | if (cookie != (unsigned long) wk->offchan_tx.frame) | |
1992 | continue; | |
1993 | ||
1994 | wk->timeout = jiffies; | |
1995 | ||
1996 | ieee80211_queue_work(&local->hw, &local->work_work); | |
1997 | ret = 0; | |
1998 | break; | |
1999 | } | |
2000 | mutex_unlock(&local->mtx); | |
2001 | ||
2002 | return ret; | |
2003 | } | |
2004 | ||
7be5086d JB |
2005 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
2006 | struct net_device *dev, | |
2007 | u16 frame_type, bool reg) | |
2008 | { | |
2009 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2010 | ||
2011 | if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) | |
2012 | return; | |
2013 | ||
2014 | if (reg) | |
2015 | local->probe_req_reg++; | |
2016 | else | |
2017 | local->probe_req_reg--; | |
2018 | ||
2019 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); | |
2020 | } | |
2021 | ||
15d96753 BR |
2022 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
2023 | { | |
2024 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2025 | ||
2026 | if (local->started) | |
2027 | return -EOPNOTSUPP; | |
2028 | ||
2029 | return drv_set_antenna(local, tx_ant, rx_ant); | |
2030 | } | |
2031 | ||
2032 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
2033 | { | |
2034 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2035 | ||
2036 | return drv_get_antenna(local, tx_ant, rx_ant); | |
2037 | } | |
2038 | ||
38c09159 JL |
2039 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
2040 | { | |
2041 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2042 | ||
2043 | return drv_set_ringparam(local, tx, rx); | |
2044 | } | |
2045 | ||
2046 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
2047 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
2048 | { | |
2049 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2050 | ||
2051 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
2052 | } | |
2053 | ||
f0706e82 JB |
2054 | struct cfg80211_ops mac80211_config_ops = { |
2055 | .add_virtual_intf = ieee80211_add_iface, | |
2056 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 2057 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
2058 | .add_key = ieee80211_add_key, |
2059 | .del_key = ieee80211_del_key, | |
62da92fb | 2060 | .get_key = ieee80211_get_key, |
e8cbb4cb | 2061 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 2062 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
2063 | .add_beacon = ieee80211_add_beacon, |
2064 | .set_beacon = ieee80211_set_beacon, | |
2065 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
2066 | .add_station = ieee80211_add_station, |
2067 | .del_station = ieee80211_del_station, | |
2068 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 2069 | .get_station = ieee80211_get_station, |
c5dd9c2b | 2070 | .dump_station = ieee80211_dump_station, |
1289723e | 2071 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
2072 | #ifdef CONFIG_MAC80211_MESH |
2073 | .add_mpath = ieee80211_add_mpath, | |
2074 | .del_mpath = ieee80211_del_mpath, | |
2075 | .change_mpath = ieee80211_change_mpath, | |
2076 | .get_mpath = ieee80211_get_mpath, | |
2077 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
2078 | .update_mesh_config = ieee80211_update_mesh_config, |
2079 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
2080 | .join_mesh = ieee80211_join_mesh, |
2081 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 2082 | #endif |
9f1ba906 | 2083 | .change_bss = ieee80211_change_bss, |
31888487 | 2084 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 2085 | .set_channel = ieee80211_set_channel, |
665af4fc BC |
2086 | .suspend = ieee80211_suspend, |
2087 | .resume = ieee80211_resume, | |
2a519311 | 2088 | .scan = ieee80211_scan, |
636a5d36 JM |
2089 | .auth = ieee80211_auth, |
2090 | .assoc = ieee80211_assoc, | |
2091 | .deauth = ieee80211_deauth, | |
2092 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
2093 | .join_ibss = ieee80211_join_ibss, |
2094 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 2095 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
2096 | .set_tx_power = ieee80211_set_tx_power, |
2097 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 2098 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 2099 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 2100 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
bc92afd9 | 2101 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 2102 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
2103 | .remain_on_channel = ieee80211_remain_on_channel, |
2104 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 2105 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 2106 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 2107 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 2108 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
2109 | .set_antenna = ieee80211_set_antenna, |
2110 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
2111 | .set_ringparam = ieee80211_set_ringparam, |
2112 | .get_ringparam = ieee80211_get_ringparam, | |
f0706e82 | 2113 | }; |