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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> |
dfe018bf | 15 | #include <linux/if_ether.h> |
f0706e82 JB |
16 | #include <net/cfg80211.h> |
17 | #include "ieee80211_i.h" | |
24487981 | 18 | #include "driver-ops.h" |
e0eb6859 | 19 | #include "cfg.h" |
2c8dccc7 | 20 | #include "rate.h" |
c5dd9c2b | 21 | #include "mesh.h" |
c5dd9c2b | 22 | |
84efbb84 JB |
23 | static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, char *name, |
24 | enum nl80211_iftype type, | |
25 | u32 *flags, | |
26 | struct vif_params *params) | |
f0706e82 JB |
27 | { |
28 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
84efbb84 | 29 | struct wireless_dev *wdev; |
8cc9a739 MW |
30 | struct ieee80211_sub_if_data *sdata; |
31 | int err; | |
f0706e82 | 32 | |
84efbb84 | 33 | err = ieee80211_if_add(local, name, &wdev, type, params); |
f9e10ce4 JB |
34 | if (err) |
35 | return ERR_PTR(err); | |
8cc9a739 | 36 | |
f9e10ce4 | 37 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
84efbb84 | 38 | sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
f9e10ce4 JB |
39 | sdata->u.mntr_flags = *flags; |
40 | } | |
41 | ||
84efbb84 | 42 | return wdev; |
f0706e82 JB |
43 | } |
44 | ||
84efbb84 | 45 | static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) |
f0706e82 | 46 | { |
84efbb84 | 47 | ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); |
f0706e82 | 48 | |
75636525 | 49 | return 0; |
f0706e82 JB |
50 | } |
51 | ||
e36d56b6 JB |
52 | static int ieee80211_change_iface(struct wiphy *wiphy, |
53 | struct net_device *dev, | |
2ec600d6 LCC |
54 | enum nl80211_iftype type, u32 *flags, |
55 | struct vif_params *params) | |
42613db7 | 56 | { |
9607e6b6 | 57 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 58 | int ret; |
42613db7 | 59 | |
05c914fe | 60 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
61 | if (ret) |
62 | return ret; | |
42613db7 | 63 | |
9bc383de JB |
64 | if (type == NL80211_IFTYPE_AP_VLAN && |
65 | params && params->use_4addr == 0) | |
a9b3cd7f | 66 | RCU_INIT_POINTER(sdata->u.vlan.sta, NULL); |
9bc383de JB |
67 | else if (type == NL80211_IFTYPE_STATION && |
68 | params && params->use_4addr >= 0) | |
69 | sdata->u.mgd.use_4addr = params->use_4addr; | |
70 | ||
85416a4f CL |
71 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
72 | struct ieee80211_local *local = sdata->local; | |
73 | ||
74 | if (ieee80211_sdata_running(sdata)) { | |
75 | /* | |
76 | * Prohibit MONITOR_FLAG_COOK_FRAMES to be | |
77 | * changed while the interface is up. | |
78 | * Else we would need to add a lot of cruft | |
79 | * to update everything: | |
80 | * cooked_mntrs, monitor and all fif_* counters | |
81 | * reconfigure hardware | |
82 | */ | |
83 | if ((*flags & MONITOR_FLAG_COOK_FRAMES) != | |
84 | (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) | |
85 | return -EBUSY; | |
86 | ||
87 | ieee80211_adjust_monitor_flags(sdata, -1); | |
88 | sdata->u.mntr_flags = *flags; | |
89 | ieee80211_adjust_monitor_flags(sdata, 1); | |
90 | ||
91 | ieee80211_configure_filter(local); | |
92 | } else { | |
93 | /* | |
94 | * Because the interface is down, ieee80211_do_stop | |
95 | * and ieee80211_do_open take care of "everything" | |
96 | * mentioned in the comment above. | |
97 | */ | |
98 | sdata->u.mntr_flags = *flags; | |
99 | } | |
100 | } | |
f7917af9 | 101 | |
42613db7 JB |
102 | return 0; |
103 | } | |
104 | ||
b53be792 SW |
105 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
106 | struct net_device *dev, | |
107 | u16 noack_map) | |
108 | { | |
109 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
110 | ||
111 | sdata->noack_map = noack_map; | |
112 | return 0; | |
113 | } | |
114 | ||
e8cbb4cb | 115 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 116 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
117 | struct key_params *params) |
118 | { | |
26a58456 | 119 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
e8cbb4cb | 120 | struct sta_info *sta = NULL; |
db4d1169 | 121 | struct ieee80211_key *key; |
3b96766f | 122 | int err; |
e8cbb4cb | 123 | |
26a58456 | 124 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
125 | return -ENETDOWN; |
126 | ||
97359d12 | 127 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
128 | switch (params->cipher) { |
129 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 130 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 JB |
131 | case WLAN_CIPHER_SUITE_WEP104: |
132 | if (IS_ERR(sdata->local->wep_tx_tfm)) | |
133 | return -EINVAL; | |
3cfcf6ac | 134 | break; |
e8cbb4cb | 135 | default: |
97359d12 | 136 | break; |
e8cbb4cb JB |
137 | } |
138 | ||
97359d12 JB |
139 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
140 | params->key, params->seq_len, params->seq); | |
1ac62ba7 BH |
141 | if (IS_ERR(key)) |
142 | return PTR_ERR(key); | |
db4d1169 | 143 | |
e31b8213 JB |
144 | if (pairwise) |
145 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
146 | ||
ad0e2b5a | 147 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 148 | |
e8cbb4cb | 149 | if (mac_addr) { |
ff973af7 TP |
150 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
151 | sta = sta_info_get(sdata, mac_addr); | |
152 | else | |
153 | sta = sta_info_get_bss(sdata, mac_addr); | |
db4d1169 | 154 | if (!sta) { |
32162a4d | 155 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
156 | err = -ENOENT; |
157 | goto out_unlock; | |
db4d1169 | 158 | } |
e8cbb4cb JB |
159 | } |
160 | ||
3ffc2a90 JB |
161 | err = ieee80211_key_link(key, sdata, sta); |
162 | if (err) | |
163 | ieee80211_key_free(sdata->local, key); | |
db4d1169 | 164 | |
3b96766f | 165 | out_unlock: |
ad0e2b5a | 166 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
167 | |
168 | return err; | |
e8cbb4cb JB |
169 | } |
170 | ||
171 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 172 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 173 | { |
5c0c3641 JB |
174 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
175 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 176 | struct sta_info *sta; |
5c0c3641 | 177 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
178 | int ret; |
179 | ||
5c0c3641 JB |
180 | mutex_lock(&local->sta_mtx); |
181 | mutex_lock(&local->key_mtx); | |
3b96766f | 182 | |
e8cbb4cb | 183 | if (mac_addr) { |
3b96766f JB |
184 | ret = -ENOENT; |
185 | ||
0e5ded5a | 186 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 187 | if (!sta) |
3b96766f | 188 | goto out_unlock; |
e8cbb4cb | 189 | |
5c0c3641 | 190 | if (pairwise) |
40b275b6 | 191 | key = key_mtx_dereference(local, sta->ptk); |
5c0c3641 | 192 | else |
40b275b6 | 193 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 194 | } else |
40b275b6 | 195 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 196 | |
5c0c3641 | 197 | if (!key) { |
3b96766f JB |
198 | ret = -ENOENT; |
199 | goto out_unlock; | |
200 | } | |
e8cbb4cb | 201 | |
5c0c3641 | 202 | __ieee80211_key_free(key); |
e8cbb4cb | 203 | |
3b96766f JB |
204 | ret = 0; |
205 | out_unlock: | |
5c0c3641 JB |
206 | mutex_unlock(&local->key_mtx); |
207 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
208 | |
209 | return ret; | |
e8cbb4cb JB |
210 | } |
211 | ||
62da92fb | 212 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
213 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
214 | void *cookie, | |
62da92fb JB |
215 | void (*callback)(void *cookie, |
216 | struct key_params *params)) | |
217 | { | |
14db74bc | 218 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
219 | struct sta_info *sta = NULL; |
220 | u8 seq[6] = {0}; | |
221 | struct key_params params; | |
e31b8213 | 222 | struct ieee80211_key *key = NULL; |
aba83a0b | 223 | u64 pn64; |
62da92fb JB |
224 | u32 iv32; |
225 | u16 iv16; | |
226 | int err = -ENOENT; | |
227 | ||
14db74bc JB |
228 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
229 | ||
3b96766f JB |
230 | rcu_read_lock(); |
231 | ||
62da92fb | 232 | if (mac_addr) { |
0e5ded5a | 233 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
234 | if (!sta) |
235 | goto out; | |
236 | ||
e31b8213 | 237 | if (pairwise) |
a3836e02 | 238 | key = rcu_dereference(sta->ptk); |
e31b8213 | 239 | else if (key_idx < NUM_DEFAULT_KEYS) |
a3836e02 | 240 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 241 | } else |
a3836e02 | 242 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
243 | |
244 | if (!key) | |
245 | goto out; | |
246 | ||
247 | memset(¶ms, 0, sizeof(params)); | |
248 | ||
97359d12 | 249 | params.cipher = key->conf.cipher; |
62da92fb | 250 | |
97359d12 JB |
251 | switch (key->conf.cipher) { |
252 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
253 | iv32 = key->u.tkip.tx.iv32; |
254 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 255 | |
24487981 JB |
256 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
257 | drv_get_tkip_seq(sdata->local, | |
258 | key->conf.hw_key_idx, | |
259 | &iv32, &iv16); | |
62da92fb JB |
260 | |
261 | seq[0] = iv16 & 0xff; | |
262 | seq[1] = (iv16 >> 8) & 0xff; | |
263 | seq[2] = iv32 & 0xff; | |
264 | seq[3] = (iv32 >> 8) & 0xff; | |
265 | seq[4] = (iv32 >> 16) & 0xff; | |
266 | seq[5] = (iv32 >> 24) & 0xff; | |
267 | params.seq = seq; | |
268 | params.seq_len = 6; | |
269 | break; | |
97359d12 | 270 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
271 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
272 | seq[0] = pn64; | |
273 | seq[1] = pn64 >> 8; | |
274 | seq[2] = pn64 >> 16; | |
275 | seq[3] = pn64 >> 24; | |
276 | seq[4] = pn64 >> 32; | |
277 | seq[5] = pn64 >> 40; | |
62da92fb JB |
278 | params.seq = seq; |
279 | params.seq_len = 6; | |
280 | break; | |
97359d12 | 281 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
282 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
283 | seq[0] = pn64; | |
284 | seq[1] = pn64 >> 8; | |
285 | seq[2] = pn64 >> 16; | |
286 | seq[3] = pn64 >> 24; | |
287 | seq[4] = pn64 >> 32; | |
288 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
289 | params.seq = seq; |
290 | params.seq_len = 6; | |
291 | break; | |
62da92fb JB |
292 | } |
293 | ||
294 | params.key = key->conf.key; | |
295 | params.key_len = key->conf.keylen; | |
296 | ||
297 | callback(cookie, ¶ms); | |
298 | err = 0; | |
299 | ||
300 | out: | |
3b96766f | 301 | rcu_read_unlock(); |
62da92fb JB |
302 | return err; |
303 | } | |
304 | ||
e8cbb4cb JB |
305 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
306 | struct net_device *dev, | |
dbd2fd65 JB |
307 | u8 key_idx, bool uni, |
308 | bool multi) | |
e8cbb4cb | 309 | { |
ad0e2b5a | 310 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 311 | |
f7e0104c | 312 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
313 | |
314 | return 0; | |
315 | } | |
316 | ||
3cfcf6ac JM |
317 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
318 | struct net_device *dev, | |
319 | u8 key_idx) | |
320 | { | |
66c52421 | 321 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 322 | |
3cfcf6ac JM |
323 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
324 | ||
3cfcf6ac JM |
325 | return 0; |
326 | } | |
327 | ||
3af6334c FF |
328 | static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) |
329 | { | |
330 | if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { | |
331 | struct ieee80211_supported_band *sband; | |
332 | sband = sta->local->hw.wiphy->bands[ | |
333 | sta->local->hw.conf.channel->band]; | |
334 | rate->legacy = sband->bitrates[idx].bitrate; | |
335 | } else | |
336 | rate->mcs = idx; | |
337 | } | |
338 | ||
6b62bf32 TP |
339 | void sta_set_rate_info_tx(struct sta_info *sta, |
340 | const struct ieee80211_tx_rate *rate, | |
341 | struct rate_info *rinfo) | |
342 | { | |
343 | rinfo->flags = 0; | |
344 | if (rate->flags & IEEE80211_TX_RC_MCS) | |
345 | rinfo->flags |= RATE_INFO_FLAGS_MCS; | |
346 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
347 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
348 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) | |
349 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
350 | rate_idx_to_bitrate(rinfo, sta, rate->idx); | |
351 | } | |
352 | ||
c5dd9c2b LCC |
353 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
354 | { | |
d0709a65 | 355 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
66572cfc | 356 | struct ieee80211_local *local = sdata->local; |
ebe27c91 | 357 | struct timespec uptime; |
c5dd9c2b | 358 | |
f5ea9120 JB |
359 | sinfo->generation = sdata->local->sta_generation; |
360 | ||
c5dd9c2b LCC |
361 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
362 | STATION_INFO_RX_BYTES | | |
420e7fab | 363 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
364 | STATION_INFO_RX_PACKETS | |
365 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
366 | STATION_INFO_TX_RETRIES | |
367 | STATION_INFO_TX_FAILED | | |
5a5c731a | 368 | STATION_INFO_TX_BITRATE | |
3af6334c | 369 | STATION_INFO_RX_BITRATE | |
f4263c98 | 370 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 | 371 | STATION_INFO_BSS_PARAM | |
7a724767 | 372 | STATION_INFO_CONNECTED_TIME | |
a85e1d55 PS |
373 | STATION_INFO_STA_FLAGS | |
374 | STATION_INFO_BEACON_LOSS_COUNT; | |
ebe27c91 MSS |
375 | |
376 | do_posix_clock_monotonic_gettime(&uptime); | |
377 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
378 | |
379 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
380 | sinfo->rx_bytes = sta->rx_bytes; | |
381 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
382 | sinfo->rx_packets = sta->rx_packets; |
383 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
384 | sinfo->tx_retries = sta->tx_retry_count; |
385 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 386 | sinfo->rx_dropped_misc = sta->rx_dropped; |
a85e1d55 | 387 | sinfo->beacon_loss_count = sta->beacon_loss_count; |
c5dd9c2b | 388 | |
19deffbe JL |
389 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
390 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 391 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
66572cfc VG |
392 | if (!local->ops->get_rssi || |
393 | drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal)) | |
394 | sinfo->signal = (s8)sta->last_signal; | |
541a45a1 | 395 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab HR |
396 | } |
397 | ||
6b62bf32 | 398 | sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate); |
3af6334c FF |
399 | |
400 | sinfo->rxrate.flags = 0; | |
401 | if (sta->last_rx_rate_flag & RX_FLAG_HT) | |
402 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; | |
403 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
404 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
405 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
406 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
407 | rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); | |
420e7fab | 408 | |
902acc78 | 409 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 410 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
411 | sinfo->filled |= STATION_INFO_LLID | |
412 | STATION_INFO_PLID | | |
413 | STATION_INFO_PLINK_STATE; | |
414 | ||
415 | sinfo->llid = le16_to_cpu(sta->llid); | |
416 | sinfo->plid = le16_to_cpu(sta->plid); | |
417 | sinfo->plink_state = sta->plink_state; | |
d299a1f2 JC |
418 | if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) { |
419 | sinfo->filled |= STATION_INFO_T_OFFSET; | |
420 | sinfo->t_offset = sta->t_offset; | |
421 | } | |
c5dd9c2b | 422 | #endif |
902acc78 | 423 | } |
f4263c98 PS |
424 | |
425 | sinfo->bss_param.flags = 0; | |
426 | if (sdata->vif.bss_conf.use_cts_prot) | |
427 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
428 | if (sdata->vif.bss_conf.use_short_preamble) | |
429 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
430 | if (sdata->vif.bss_conf.use_short_slot) | |
431 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
432 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
433 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
7a724767 HS |
434 | |
435 | sinfo->sta_flags.set = 0; | |
436 | sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
437 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
438 | BIT(NL80211_STA_FLAG_WME) | | |
439 | BIT(NL80211_STA_FLAG_MFP) | | |
e4121562 HS |
440 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
441 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
7a724767 HS |
442 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
443 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
444 | if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) | |
445 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
446 | if (test_sta_flag(sta, WLAN_STA_WME)) | |
447 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); | |
448 | if (test_sta_flag(sta, WLAN_STA_MFP)) | |
449 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); | |
450 | if (test_sta_flag(sta, WLAN_STA_AUTH)) | |
451 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
e4121562 HS |
452 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) |
453 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
c5dd9c2b LCC |
454 | } |
455 | ||
b1ab7925 BG |
456 | static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = { |
457 | "rx_packets", "rx_bytes", "wep_weak_iv_count", | |
458 | "rx_duplicates", "rx_fragments", "rx_dropped", | |
459 | "tx_packets", "tx_bytes", "tx_fragments", | |
460 | "tx_filtered", "tx_retry_failed", "tx_retries", | |
3073a7c2 BG |
461 | "beacon_loss", "sta_state", "txrate", "rxrate", "signal", |
462 | "channel", "noise", "ch_time", "ch_time_busy", | |
463 | "ch_time_ext_busy", "ch_time_rx", "ch_time_tx" | |
b1ab7925 BG |
464 | }; |
465 | #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats) | |
466 | ||
467 | static int ieee80211_get_et_sset_count(struct wiphy *wiphy, | |
468 | struct net_device *dev, | |
469 | int sset) | |
470 | { | |
e352114f BG |
471 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
472 | int rv = 0; | |
473 | ||
b1ab7925 | 474 | if (sset == ETH_SS_STATS) |
e352114f BG |
475 | rv += STA_STATS_LEN; |
476 | ||
477 | rv += drv_get_et_sset_count(sdata, sset); | |
b1ab7925 | 478 | |
e352114f BG |
479 | if (rv == 0) |
480 | return -EOPNOTSUPP; | |
481 | return rv; | |
b1ab7925 BG |
482 | } |
483 | ||
484 | static void ieee80211_get_et_stats(struct wiphy *wiphy, | |
485 | struct net_device *dev, | |
486 | struct ethtool_stats *stats, | |
487 | u64 *data) | |
488 | { | |
489 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
490 | struct sta_info *sta; | |
491 | struct ieee80211_local *local = sdata->local; | |
3073a7c2 BG |
492 | struct station_info sinfo; |
493 | struct survey_info survey; | |
494 | int i, q; | |
495 | #define STA_STATS_SURVEY_LEN 7 | |
b1ab7925 BG |
496 | |
497 | memset(data, 0, sizeof(u64) * STA_STATS_LEN); | |
498 | ||
499 | #define ADD_STA_STATS(sta) \ | |
500 | do { \ | |
501 | data[i++] += sta->rx_packets; \ | |
502 | data[i++] += sta->rx_bytes; \ | |
503 | data[i++] += sta->wep_weak_iv_count; \ | |
504 | data[i++] += sta->num_duplicates; \ | |
505 | data[i++] += sta->rx_fragments; \ | |
506 | data[i++] += sta->rx_dropped; \ | |
507 | \ | |
508 | data[i++] += sta->tx_packets; \ | |
509 | data[i++] += sta->tx_bytes; \ | |
510 | data[i++] += sta->tx_fragments; \ | |
511 | data[i++] += sta->tx_filtered_count; \ | |
512 | data[i++] += sta->tx_retry_failed; \ | |
513 | data[i++] += sta->tx_retry_count; \ | |
514 | data[i++] += sta->beacon_loss_count; \ | |
515 | } while (0) | |
516 | ||
517 | /* For Managed stations, find the single station based on BSSID | |
518 | * and use that. For interface types, iterate through all available | |
519 | * stations and add stats for any station that is assigned to this | |
520 | * network device. | |
521 | */ | |
522 | ||
66572cfc | 523 | mutex_lock(&local->sta_mtx); |
b1ab7925 BG |
524 | |
525 | if (sdata->vif.type == NL80211_IFTYPE_STATION) { | |
526 | sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid); | |
3073a7c2 BG |
527 | |
528 | if (!(sta && !WARN_ON(sta->sdata->dev != dev))) | |
529 | goto do_survey; | |
530 | ||
531 | i = 0; | |
532 | ADD_STA_STATS(sta); | |
533 | ||
534 | data[i++] = sta->sta_state; | |
535 | ||
536 | sinfo.filled = 0; | |
537 | sta_set_sinfo(sta, &sinfo); | |
538 | ||
5204267d | 539 | if (sinfo.filled & STATION_INFO_TX_BITRATE) |
3073a7c2 BG |
540 | data[i] = 100000 * |
541 | cfg80211_calculate_bitrate(&sinfo.txrate); | |
542 | i++; | |
5204267d | 543 | if (sinfo.filled & STATION_INFO_RX_BITRATE) |
3073a7c2 BG |
544 | data[i] = 100000 * |
545 | cfg80211_calculate_bitrate(&sinfo.rxrate); | |
546 | i++; | |
547 | ||
5204267d | 548 | if (sinfo.filled & STATION_INFO_SIGNAL_AVG) |
3073a7c2 BG |
549 | data[i] = (u8)sinfo.signal_avg; |
550 | i++; | |
b1ab7925 | 551 | } else { |
66572cfc | 552 | list_for_each_entry(sta, &local->sta_list, list) { |
b1ab7925 BG |
553 | /* Make sure this station belongs to the proper dev */ |
554 | if (sta->sdata->dev != dev) | |
555 | continue; | |
556 | ||
557 | i = 0; | |
558 | ADD_STA_STATS(sta); | |
b1ab7925 BG |
559 | } |
560 | } | |
561 | ||
3073a7c2 BG |
562 | do_survey: |
563 | i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; | |
564 | /* Get survey stats for current channel */ | |
565 | q = 0; | |
566 | while (true) { | |
567 | survey.filled = 0; | |
568 | if (drv_get_survey(local, q, &survey) != 0) { | |
569 | survey.filled = 0; | |
570 | break; | |
571 | } | |
572 | ||
573 | if (survey.channel && | |
574 | (local->oper_channel->center_freq == | |
575 | survey.channel->center_freq)) | |
576 | break; | |
577 | q++; | |
578 | } | |
579 | ||
580 | if (survey.filled) | |
581 | data[i++] = survey.channel->center_freq; | |
582 | else | |
583 | data[i++] = 0; | |
584 | if (survey.filled & SURVEY_INFO_NOISE_DBM) | |
585 | data[i++] = (u8)survey.noise; | |
586 | else | |
587 | data[i++] = -1LL; | |
588 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME) | |
589 | data[i++] = survey.channel_time; | |
590 | else | |
591 | data[i++] = -1LL; | |
592 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
593 | data[i++] = survey.channel_time_busy; | |
594 | else | |
595 | data[i++] = -1LL; | |
596 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
597 | data[i++] = survey.channel_time_ext_busy; | |
598 | else | |
599 | data[i++] = -1LL; | |
600 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
601 | data[i++] = survey.channel_time_rx; | |
602 | else | |
603 | data[i++] = -1LL; | |
604 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
605 | data[i++] = survey.channel_time_tx; | |
606 | else | |
607 | data[i++] = -1LL; | |
608 | ||
66572cfc | 609 | mutex_unlock(&local->sta_mtx); |
e352114f | 610 | |
3073a7c2 BG |
611 | if (WARN_ON(i != STA_STATS_LEN)) |
612 | return; | |
613 | ||
e352114f | 614 | drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN])); |
b1ab7925 BG |
615 | } |
616 | ||
617 | static void ieee80211_get_et_strings(struct wiphy *wiphy, | |
618 | struct net_device *dev, | |
619 | u32 sset, u8 *data) | |
620 | { | |
e352114f BG |
621 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
622 | int sz_sta_stats = 0; | |
623 | ||
b1ab7925 | 624 | if (sset == ETH_SS_STATS) { |
e352114f | 625 | sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats); |
b1ab7925 BG |
626 | memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats); |
627 | } | |
e352114f | 628 | drv_get_et_strings(sdata, sset, &(data[sz_sta_stats])); |
b1ab7925 | 629 | } |
c5dd9c2b LCC |
630 | |
631 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
632 | int idx, u8 *mac, struct station_info *sinfo) | |
633 | { | |
3b53fde8 | 634 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 635 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 636 | struct sta_info *sta; |
d0709a65 JB |
637 | int ret = -ENOENT; |
638 | ||
66572cfc | 639 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 640 | |
3b53fde8 | 641 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
642 | if (sta) { |
643 | ret = 0; | |
17741cdc | 644 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
645 | sta_set_sinfo(sta, sinfo); |
646 | } | |
c5dd9c2b | 647 | |
66572cfc | 648 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 649 | |
d0709a65 | 650 | return ret; |
c5dd9c2b LCC |
651 | } |
652 | ||
1289723e HS |
653 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
654 | int idx, struct survey_info *survey) | |
655 | { | |
656 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
657 | ||
1289723e HS |
658 | return drv_get_survey(local, idx, survey); |
659 | } | |
660 | ||
7bbdd2d9 | 661 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 662 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 663 | { |
abe60632 | 664 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 665 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 666 | struct sta_info *sta; |
d0709a65 | 667 | int ret = -ENOENT; |
7bbdd2d9 | 668 | |
66572cfc | 669 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 670 | |
0e5ded5a | 671 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
672 | if (sta) { |
673 | ret = 0; | |
674 | sta_set_sinfo(sta, sinfo); | |
675 | } | |
676 | ||
66572cfc | 677 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
678 | |
679 | return ret; | |
7bbdd2d9 JB |
680 | } |
681 | ||
3d9e6e12 JB |
682 | static int ieee80211_set_channel(struct wiphy *wiphy, |
683 | struct net_device *netdev, | |
684 | struct ieee80211_channel *chan, | |
685 | enum nl80211_channel_type channel_type) | |
686 | { | |
687 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
688 | struct ieee80211_sub_if_data *sdata = NULL; | |
689 | ||
690 | if (netdev) | |
691 | sdata = IEEE80211_DEV_TO_SUB_IF(netdev); | |
692 | ||
693 | switch (ieee80211_get_channel_mode(local, NULL)) { | |
694 | case CHAN_MODE_HOPPING: | |
695 | return -EBUSY; | |
696 | case CHAN_MODE_FIXED: | |
ac4d82fa PF |
697 | if (local->oper_channel != chan || |
698 | (!sdata && local->_oper_channel_type != channel_type)) | |
3d9e6e12 JB |
699 | return -EBUSY; |
700 | if (!sdata && local->_oper_channel_type == channel_type) | |
701 | return 0; | |
702 | break; | |
703 | case CHAN_MODE_UNDEFINED: | |
704 | break; | |
705 | } | |
706 | ||
707 | if (!ieee80211_set_channel_type(local, sdata, channel_type)) | |
708 | return -EBUSY; | |
709 | ||
710 | local->oper_channel = chan; | |
711 | ||
712 | /* auto-detects changes */ | |
713 | ieee80211_hw_config(local, 0); | |
714 | ||
715 | return 0; | |
716 | } | |
717 | ||
e8c9bd5b JB |
718 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
719 | struct ieee80211_channel *chan, | |
720 | enum nl80211_channel_type channel_type) | |
721 | { | |
722 | return ieee80211_set_channel(wiphy, NULL, chan, channel_type); | |
723 | } | |
724 | ||
02945821 | 725 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
8860020e | 726 | const u8 *resp, size_t resp_len) |
02945821 AN |
727 | { |
728 | struct sk_buff *new, *old; | |
729 | ||
730 | if (!resp || !resp_len) | |
8860020e | 731 | return 1; |
02945821 | 732 | |
f724828b | 733 | old = rtnl_dereference(sdata->u.ap.probe_resp); |
02945821 AN |
734 | |
735 | new = dev_alloc_skb(resp_len); | |
736 | if (!new) | |
737 | return -ENOMEM; | |
738 | ||
739 | memcpy(skb_put(new, resp_len), resp, resp_len); | |
740 | ||
741 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); | |
8860020e JB |
742 | if (old) { |
743 | /* TODO: use call_rcu() */ | |
744 | synchronize_rcu(); | |
02945821 | 745 | dev_kfree_skb(old); |
8860020e | 746 | } |
02945821 AN |
747 | |
748 | return 0; | |
749 | } | |
750 | ||
8860020e JB |
751 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
752 | struct cfg80211_beacon_data *params) | |
5dfdaf58 JB |
753 | { |
754 | struct beacon_data *new, *old; | |
755 | int new_head_len, new_tail_len; | |
8860020e JB |
756 | int size, err; |
757 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 758 | |
40b275b6 | 759 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 | 760 | |
5dfdaf58 JB |
761 | /* Need to have a beacon head if we don't have one yet */ |
762 | if (!params->head && !old) | |
8860020e | 763 | return -EINVAL; |
5dfdaf58 JB |
764 | |
765 | /* new or old head? */ | |
766 | if (params->head) | |
767 | new_head_len = params->head_len; | |
768 | else | |
769 | new_head_len = old->head_len; | |
770 | ||
771 | /* new or old tail? */ | |
772 | if (params->tail || !old) | |
773 | /* params->tail_len will be zero for !params->tail */ | |
774 | new_tail_len = params->tail_len; | |
775 | else | |
776 | new_tail_len = old->tail_len; | |
777 | ||
778 | size = sizeof(*new) + new_head_len + new_tail_len; | |
779 | ||
780 | new = kzalloc(size, GFP_KERNEL); | |
781 | if (!new) | |
782 | return -ENOMEM; | |
783 | ||
784 | /* start filling the new info now */ | |
785 | ||
5dfdaf58 JB |
786 | /* |
787 | * pointers go into the block we allocated, | |
788 | * memory is | beacon_data | head | tail | | |
789 | */ | |
790 | new->head = ((u8 *) new) + sizeof(*new); | |
791 | new->tail = new->head + new_head_len; | |
792 | new->head_len = new_head_len; | |
793 | new->tail_len = new_tail_len; | |
794 | ||
795 | /* copy in head */ | |
796 | if (params->head) | |
797 | memcpy(new->head, params->head, new_head_len); | |
798 | else | |
799 | memcpy(new->head, old->head, new_head_len); | |
800 | ||
801 | /* copy in optional tail */ | |
802 | if (params->tail) | |
803 | memcpy(new->tail, params->tail, new_tail_len); | |
804 | else | |
805 | if (old) | |
806 | memcpy(new->tail, old->tail, new_tail_len); | |
807 | ||
02945821 AN |
808 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
809 | params->probe_resp_len); | |
8860020e JB |
810 | if (err < 0) |
811 | return err; | |
812 | if (err == 0) | |
02945821 AN |
813 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
814 | ||
8860020e JB |
815 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
816 | ||
817 | if (old) | |
818 | kfree_rcu(old, rcu_head); | |
7827493b | 819 | |
8860020e | 820 | return changed; |
5dfdaf58 JB |
821 | } |
822 | ||
8860020e JB |
823 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
824 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 825 | { |
8860020e | 826 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
5dfdaf58 | 827 | struct beacon_data *old; |
665c93a9 | 828 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
829 | u32 changed = BSS_CHANGED_BEACON_INT | |
830 | BSS_CHANGED_BEACON_ENABLED | | |
831 | BSS_CHANGED_BEACON | | |
832 | BSS_CHANGED_SSID; | |
833 | int err; | |
14db74bc | 834 | |
40b275b6 | 835 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
836 | if (old) |
837 | return -EALREADY; | |
838 | ||
aa430da4 JB |
839 | err = ieee80211_set_channel(wiphy, dev, params->channel, |
840 | params->channel_type); | |
841 | if (err) | |
842 | return err; | |
843 | ||
665c93a9 JB |
844 | /* |
845 | * Apply control port protocol, this allows us to | |
846 | * not encrypt dynamic WEP control frames. | |
847 | */ | |
848 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
849 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
850 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { | |
851 | vlan->control_port_protocol = | |
852 | params->crypto.control_port_ethertype; | |
853 | vlan->control_port_no_encrypt = | |
854 | params->crypto.control_port_no_encrypt; | |
855 | } | |
856 | ||
8860020e JB |
857 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
858 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
859 | ||
860 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
861 | if (params->ssid_len) | |
862 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
863 | params->ssid_len); | |
864 | sdata->vif.bss_conf.hidden_ssid = | |
865 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
866 | ||
867 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon); | |
868 | if (err < 0) | |
869 | return err; | |
870 | changed |= err; | |
871 | ||
872 | ieee80211_bss_info_change_notify(sdata, changed); | |
873 | ||
3edaf3e6 JB |
874 | netif_carrier_on(dev); |
875 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
876 | netif_carrier_on(vlan->dev); | |
877 | ||
665c93a9 | 878 | return 0; |
5dfdaf58 JB |
879 | } |
880 | ||
8860020e JB |
881 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
882 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 883 | { |
14db74bc | 884 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 885 | struct beacon_data *old; |
8860020e | 886 | int err; |
5dfdaf58 | 887 | |
14db74bc JB |
888 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
889 | ||
40b275b6 | 890 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
891 | if (!old) |
892 | return -ENOENT; | |
893 | ||
8860020e JB |
894 | err = ieee80211_assign_beacon(sdata, params); |
895 | if (err < 0) | |
896 | return err; | |
897 | ieee80211_bss_info_change_notify(sdata, err); | |
898 | return 0; | |
5dfdaf58 JB |
899 | } |
900 | ||
8860020e | 901 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 902 | { |
3edaf3e6 | 903 | struct ieee80211_sub_if_data *sdata, *vlan; |
5dfdaf58 JB |
904 | struct beacon_data *old; |
905 | ||
14db74bc JB |
906 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
907 | ||
40b275b6 | 908 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
909 | if (!old) |
910 | return -ENOENT; | |
911 | ||
3edaf3e6 JB |
912 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
913 | netif_carrier_off(vlan->dev); | |
914 | netif_carrier_off(dev); | |
915 | ||
a9b3cd7f | 916 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
8860020e JB |
917 | |
918 | kfree_rcu(old, rcu_head); | |
5dfdaf58 | 919 | |
2d0ddec5 | 920 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 921 | |
2d0ddec5 | 922 | return 0; |
5dfdaf58 JB |
923 | } |
924 | ||
4fd6931e JB |
925 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
926 | struct iapp_layer2_update { | |
927 | u8 da[ETH_ALEN]; /* broadcast */ | |
928 | u8 sa[ETH_ALEN]; /* STA addr */ | |
929 | __be16 len; /* 6 */ | |
930 | u8 dsap; /* 0 */ | |
931 | u8 ssap; /* 0 */ | |
932 | u8 control; | |
933 | u8 xid_info[3]; | |
bc10502d | 934 | } __packed; |
4fd6931e JB |
935 | |
936 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
937 | { | |
938 | struct iapp_layer2_update *msg; | |
939 | struct sk_buff *skb; | |
940 | ||
941 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
942 | * bridge devices */ | |
943 | ||
944 | skb = dev_alloc_skb(sizeof(*msg)); | |
945 | if (!skb) | |
946 | return; | |
947 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
948 | ||
949 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
950 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
951 | ||
952 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 953 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
954 | msg->len = htons(6); |
955 | msg->dsap = 0; | |
956 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
957 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
958 | * F=0 (no poll command; unsolicited frame) */ | |
959 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
960 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
961 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
962 | ||
d0709a65 JB |
963 | skb->dev = sta->sdata->dev; |
964 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 965 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 966 | netif_rx_ni(skb); |
4fd6931e JB |
967 | } |
968 | ||
d9a7ddb0 JB |
969 | static int sta_apply_parameters(struct ieee80211_local *local, |
970 | struct sta_info *sta, | |
971 | struct station_parameters *params) | |
4fd6931e | 972 | { |
d9a7ddb0 | 973 | int ret = 0; |
4fd6931e JB |
974 | u32 rates; |
975 | int i, j; | |
8318d78a | 976 | struct ieee80211_supported_band *sband; |
d0709a65 | 977 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 978 | u32 mask, set; |
4fd6931e | 979 | |
ae5eb026 JB |
980 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
981 | ||
eccb8e8f JB |
982 | mask = params->sta_flags_mask; |
983 | set = params->sta_flags_set; | |
73651ee6 | 984 | |
d9a7ddb0 JB |
985 | /* |
986 | * In mesh mode, we can clear AUTHENTICATED flag but must | |
987 | * also make ASSOCIATED follow appropriately for the driver | |
988 | * API. See also below, after AUTHORIZED changes. | |
989 | */ | |
990 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
991 | /* cfg80211 should not allow this in non-mesh modes */ | |
992 | if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) | |
993 | return -EINVAL; | |
994 | ||
995 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
996 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
83d5cc01 | 997 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); |
d9a7ddb0 JB |
998 | if (ret) |
999 | return ret; | |
83d5cc01 | 1000 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
d9a7ddb0 JB |
1001 | if (ret) |
1002 | return ret; | |
1003 | } | |
1004 | } | |
1005 | ||
eccb8e8f | 1006 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
eccb8e8f | 1007 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
83d5cc01 | 1008 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); |
543d1b92 | 1009 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
83d5cc01 | 1010 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
d9a7ddb0 JB |
1011 | if (ret) |
1012 | return ret; | |
1013 | } | |
1014 | ||
1015 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
1016 | /* cfg80211 should not allow this in non-mesh modes */ | |
1017 | if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) | |
1018 | return -EINVAL; | |
1019 | ||
1020 | if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
1021 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
83d5cc01 | 1022 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); |
d9a7ddb0 JB |
1023 | if (ret) |
1024 | return ret; | |
83d5cc01 | 1025 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); |
d9a7ddb0 JB |
1026 | if (ret) |
1027 | return ret; | |
1028 | } | |
eccb8e8f | 1029 | } |
4fd6931e | 1030 | |
d9a7ddb0 | 1031 | |
eccb8e8f | 1032 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1033 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1034 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1035 | else | |
1036 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1037 | } |
4fd6931e | 1038 | |
eccb8e8f | 1039 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 1040 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 1041 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 1042 | sta->sta.wme = true; |
c2c98fde JB |
1043 | } else { |
1044 | clear_sta_flag(sta, WLAN_STA_WME); | |
1045 | sta->sta.wme = false; | |
39df600a | 1046 | } |
eccb8e8f | 1047 | } |
5394af4d | 1048 | |
eccb8e8f | 1049 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1050 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1051 | set_sta_flag(sta, WLAN_STA_MFP); |
1052 | else | |
1053 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1054 | } |
b39c48fa | 1055 | |
07ba55d7 | 1056 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1057 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1058 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1059 | else | |
1060 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1061 | } |
4fd6931e | 1062 | |
3b9ce80c JB |
1063 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1064 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1065 | sta->sta.max_sp = params->max_sp; | |
1066 | } | |
9533b4ac | 1067 | |
51b50fbe JB |
1068 | /* |
1069 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1070 | * only when creating a new station entry | |
1071 | */ | |
1072 | if (params->aid) | |
1073 | sta->sta.aid = params->aid; | |
1074 | ||
73651ee6 JB |
1075 | /* |
1076 | * FIXME: updating the following information is racy when this | |
1077 | * function is called from ieee80211_change_station(). | |
1078 | * However, all this information should be static so | |
1079 | * maybe we should just reject attemps to change it. | |
1080 | */ | |
1081 | ||
4fd6931e JB |
1082 | if (params->listen_interval >= 0) |
1083 | sta->listen_interval = params->listen_interval; | |
1084 | ||
1085 | if (params->supported_rates) { | |
1086 | rates = 0; | |
8318d78a | 1087 | |
4fd6931e JB |
1088 | for (i = 0; i < params->supported_rates_len; i++) { |
1089 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
1090 | for (j = 0; j < sband->n_bitrates; j++) { |
1091 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
1092 | rates |= BIT(j); |
1093 | } | |
1094 | } | |
323ce79a | 1095 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 1096 | } |
c5dd9c2b | 1097 | |
d9fe60de | 1098 | if (params->ht_capa) |
ef96a842 | 1099 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
ae5eb026 | 1100 | params->ht_capa, |
d9fe60de | 1101 | &sta->sta.ht_cap); |
36aedc90 | 1102 | |
9c3990aa | 1103 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 1104 | #ifdef CONFIG_MAC80211_MESH |
9c3990aa JC |
1105 | if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) |
1106 | switch (params->plink_state) { | |
57cf8043 JC |
1107 | case NL80211_PLINK_LISTEN: |
1108 | case NL80211_PLINK_ESTAB: | |
1109 | case NL80211_PLINK_BLOCKED: | |
9c3990aa JC |
1110 | sta->plink_state = params->plink_state; |
1111 | break; | |
1112 | default: | |
1113 | /* nothing */ | |
1114 | break; | |
1115 | } | |
1116 | else | |
1117 | switch (params->plink_action) { | |
1118 | case PLINK_ACTION_OPEN: | |
1119 | mesh_plink_open(sta); | |
1120 | break; | |
1121 | case PLINK_ACTION_BLOCK: | |
1122 | mesh_plink_block(sta); | |
1123 | break; | |
1124 | } | |
4daf50f2 | 1125 | #endif |
902acc78 | 1126 | } |
d9a7ddb0 JB |
1127 | |
1128 | return 0; | |
4fd6931e JB |
1129 | } |
1130 | ||
1131 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
1132 | u8 *mac, struct station_parameters *params) | |
1133 | { | |
14db74bc | 1134 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1135 | struct sta_info *sta; |
1136 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1137 | int err; |
b8d476c8 | 1138 | int layer2_update; |
4fd6931e | 1139 | |
4fd6931e JB |
1140 | if (params->vlan) { |
1141 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1142 | ||
05c914fe JB |
1143 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1144 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1145 | return -EINVAL; |
1146 | } else | |
1147 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1148 | ||
b203ca39 | 1149 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1150 | return -EINVAL; |
1151 | ||
1152 | if (is_multicast_ether_addr(mac)) | |
1153 | return -EINVAL; | |
1154 | ||
1155 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1156 | if (!sta) |
1157 | return -ENOMEM; | |
4fd6931e | 1158 | |
83d5cc01 JB |
1159 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); |
1160 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
4fd6931e | 1161 | |
d9a7ddb0 JB |
1162 | err = sta_apply_parameters(local, sta, params); |
1163 | if (err) { | |
1164 | sta_info_free(local, sta); | |
1165 | return err; | |
1166 | } | |
4fd6931e | 1167 | |
d64cf63e AN |
1168 | /* |
1169 | * for TDLS, rate control should be initialized only when supported | |
1170 | * rates are known. | |
1171 | */ | |
1172 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
1173 | rate_control_rate_init(sta); | |
4fd6931e | 1174 | |
b8d476c8 JM |
1175 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1176 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1177 | ||
34e89507 | 1178 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1179 | if (err) { |
73651ee6 JB |
1180 | rcu_read_unlock(); |
1181 | return err; | |
1182 | } | |
1183 | ||
b8d476c8 | 1184 | if (layer2_update) |
73651ee6 JB |
1185 | ieee80211_send_layer2_update(sta); |
1186 | ||
1187 | rcu_read_unlock(); | |
1188 | ||
4fd6931e JB |
1189 | return 0; |
1190 | } | |
1191 | ||
1192 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
1193 | u8 *mac) | |
1194 | { | |
14db74bc JB |
1195 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1196 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 1197 | |
14db74bc JB |
1198 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1199 | ||
34e89507 JB |
1200 | if (mac) |
1201 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 1202 | |
34e89507 | 1203 | sta_info_flush(local, sdata); |
4fd6931e JB |
1204 | return 0; |
1205 | } | |
1206 | ||
1207 | static int ieee80211_change_station(struct wiphy *wiphy, | |
1208 | struct net_device *dev, | |
1209 | u8 *mac, | |
1210 | struct station_parameters *params) | |
1211 | { | |
abe60632 | 1212 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1213 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1214 | struct sta_info *sta; |
1215 | struct ieee80211_sub_if_data *vlansdata; | |
35b88623 | 1216 | int err; |
4fd6931e | 1217 | |
87be1e1e | 1218 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1219 | |
0e5ded5a | 1220 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1221 | if (!sta) { |
87be1e1e | 1222 | mutex_unlock(&local->sta_mtx); |
4fd6931e | 1223 | return -ENOENT; |
98dd6a57 | 1224 | } |
4fd6931e | 1225 | |
bdd90d5e JB |
1226 | /* in station mode, supported rates are only valid with TDLS */ |
1227 | if (sdata->vif.type == NL80211_IFTYPE_STATION && | |
1228 | params->supported_rates && | |
1229 | !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
87be1e1e | 1230 | mutex_unlock(&local->sta_mtx); |
bdd90d5e JB |
1231 | return -EINVAL; |
1232 | } | |
1233 | ||
d0709a65 | 1234 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1235 | bool prev_4addr = false; |
1236 | bool new_4addr = false; | |
1237 | ||
4fd6931e JB |
1238 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1239 | ||
05c914fe JB |
1240 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1241 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
87be1e1e | 1242 | mutex_unlock(&local->sta_mtx); |
4fd6931e | 1243 | return -EINVAL; |
98dd6a57 | 1244 | } |
4fd6931e | 1245 | |
9bc383de | 1246 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1247 | if (vlansdata->u.vlan.sta) { |
87be1e1e | 1248 | mutex_unlock(&local->sta_mtx); |
f14543ee | 1249 | return -EBUSY; |
3305443c | 1250 | } |
f14543ee | 1251 | |
cf778b00 | 1252 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1253 | new_4addr = true; |
1254 | } | |
1255 | ||
1256 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1257 | sta->sdata->u.vlan.sta) { | |
1258 | rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL); | |
1259 | prev_4addr = true; | |
f14543ee FF |
1260 | } |
1261 | ||
14db74bc | 1262 | sta->sdata = vlansdata; |
7e3ed02c FF |
1263 | |
1264 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1265 | prev_4addr != new_4addr) { | |
1266 | if (new_4addr) | |
1267 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1268 | else | |
1269 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1270 | } | |
1271 | ||
4fd6931e JB |
1272 | ieee80211_send_layer2_update(sta); |
1273 | } | |
1274 | ||
35b88623 EP |
1275 | err = sta_apply_parameters(local, sta, params); |
1276 | if (err) { | |
1277 | mutex_unlock(&local->sta_mtx); | |
1278 | return err; | |
1279 | } | |
4fd6931e | 1280 | |
d64cf63e AN |
1281 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates) |
1282 | rate_control_rate_init(sta); | |
1283 | ||
87be1e1e | 1284 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1285 | |
808118cb JY |
1286 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
1287 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
1288 | ieee80211_recalc_ps(local, -1); | |
1289 | ||
4fd6931e JB |
1290 | return 0; |
1291 | } | |
1292 | ||
c5dd9c2b LCC |
1293 | #ifdef CONFIG_MAC80211_MESH |
1294 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1295 | u8 *dst, u8 *next_hop) | |
1296 | { | |
14db74bc | 1297 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1298 | struct mesh_path *mpath; |
1299 | struct sta_info *sta; | |
1300 | int err; | |
1301 | ||
14db74bc JB |
1302 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1303 | ||
d0709a65 | 1304 | rcu_read_lock(); |
abe60632 | 1305 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1306 | if (!sta) { |
1307 | rcu_read_unlock(); | |
c5dd9c2b | 1308 | return -ENOENT; |
d0709a65 | 1309 | } |
c5dd9c2b | 1310 | |
f698d856 | 1311 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
1312 | if (err) { |
1313 | rcu_read_unlock(); | |
c5dd9c2b | 1314 | return err; |
d0709a65 | 1315 | } |
c5dd9c2b | 1316 | |
f698d856 | 1317 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1318 | if (!mpath) { |
1319 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1320 | return -ENXIO; |
1321 | } | |
1322 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1323 | |
c5dd9c2b LCC |
1324 | rcu_read_unlock(); |
1325 | return 0; | |
1326 | } | |
1327 | ||
1328 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1329 | u8 *dst) | |
1330 | { | |
f698d856 JBG |
1331 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1332 | ||
c5dd9c2b | 1333 | if (dst) |
f698d856 | 1334 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 1335 | |
ece1a2e7 | 1336 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1337 | return 0; |
1338 | } | |
1339 | ||
1340 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
1341 | struct net_device *dev, | |
1342 | u8 *dst, u8 *next_hop) | |
1343 | { | |
14db74bc | 1344 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1345 | struct mesh_path *mpath; |
1346 | struct sta_info *sta; | |
1347 | ||
14db74bc JB |
1348 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1349 | ||
d0709a65 JB |
1350 | rcu_read_lock(); |
1351 | ||
abe60632 | 1352 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1353 | if (!sta) { |
1354 | rcu_read_unlock(); | |
c5dd9c2b | 1355 | return -ENOENT; |
d0709a65 | 1356 | } |
c5dd9c2b | 1357 | |
f698d856 | 1358 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1359 | if (!mpath) { |
1360 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1361 | return -ENOENT; |
1362 | } | |
1363 | ||
1364 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1365 | |
c5dd9c2b LCC |
1366 | rcu_read_unlock(); |
1367 | return 0; | |
1368 | } | |
1369 | ||
1370 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1371 | struct mpath_info *pinfo) | |
1372 | { | |
a3836e02 JB |
1373 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1374 | ||
1375 | if (next_hop_sta) | |
1376 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1377 | else |
1378 | memset(next_hop, 0, ETH_ALEN); | |
1379 | ||
f5ea9120 JB |
1380 | pinfo->generation = mesh_paths_generation; |
1381 | ||
c5dd9c2b | 1382 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1383 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1384 | MPATH_INFO_METRIC | |
1385 | MPATH_INFO_EXPTIME | | |
1386 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1387 | MPATH_INFO_DISCOVERY_RETRIES | | |
1388 | MPATH_INFO_FLAGS; | |
1389 | ||
1390 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1391 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1392 | pinfo->metric = mpath->metric; |
1393 | if (time_before(jiffies, mpath->exp_time)) | |
1394 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1395 | pinfo->discovery_timeout = | |
1396 | jiffies_to_msecs(mpath->discovery_timeout); | |
1397 | pinfo->discovery_retries = mpath->discovery_retries; | |
1398 | pinfo->flags = 0; | |
1399 | if (mpath->flags & MESH_PATH_ACTIVE) | |
1400 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1401 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1402 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1403 | if (mpath->flags & MESH_PATH_SN_VALID) |
1404 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1405 | if (mpath->flags & MESH_PATH_FIXED) |
1406 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
1407 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1408 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
1409 | ||
1410 | pinfo->flags = mpath->flags; | |
1411 | } | |
1412 | ||
1413 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1414 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1415 | ||
1416 | { | |
14db74bc | 1417 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1418 | struct mesh_path *mpath; |
1419 | ||
14db74bc JB |
1420 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1421 | ||
c5dd9c2b | 1422 | rcu_read_lock(); |
f698d856 | 1423 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1424 | if (!mpath) { |
1425 | rcu_read_unlock(); | |
1426 | return -ENOENT; | |
1427 | } | |
1428 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1429 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1430 | rcu_read_unlock(); | |
1431 | return 0; | |
1432 | } | |
1433 | ||
1434 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1435 | int idx, u8 *dst, u8 *next_hop, | |
1436 | struct mpath_info *pinfo) | |
1437 | { | |
14db74bc | 1438 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1439 | struct mesh_path *mpath; |
1440 | ||
14db74bc JB |
1441 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1442 | ||
c5dd9c2b | 1443 | rcu_read_lock(); |
f698d856 | 1444 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
1445 | if (!mpath) { |
1446 | rcu_read_unlock(); | |
1447 | return -ENOENT; | |
1448 | } | |
1449 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1450 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1451 | rcu_read_unlock(); | |
1452 | return 0; | |
1453 | } | |
93da9cc1 | 1454 | |
24bdd9f4 | 1455 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1456 | struct net_device *dev, |
1457 | struct mesh_config *conf) | |
1458 | { | |
1459 | struct ieee80211_sub_if_data *sdata; | |
1460 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1461 | ||
93da9cc1 | 1462 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1463 | return 0; | |
1464 | } | |
1465 | ||
1466 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1467 | { | |
1468 | return (mask >> (parm-1)) & 0x1; | |
1469 | } | |
1470 | ||
c80d545d JC |
1471 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1472 | const struct mesh_setup *setup) | |
1473 | { | |
1474 | u8 *new_ie; | |
1475 | const u8 *old_ie; | |
4bb62344 CYY |
1476 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1477 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1478 | |
581a8b0f | 1479 | /* allocate information elements */ |
c80d545d | 1480 | new_ie = NULL; |
581a8b0f | 1481 | old_ie = ifmsh->ie; |
c80d545d | 1482 | |
581a8b0f JC |
1483 | if (setup->ie_len) { |
1484 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1485 | GFP_KERNEL); |
1486 | if (!new_ie) | |
1487 | return -ENOMEM; | |
1488 | } | |
581a8b0f JC |
1489 | ifmsh->ie_len = setup->ie_len; |
1490 | ifmsh->ie = new_ie; | |
1491 | kfree(old_ie); | |
c80d545d JC |
1492 | |
1493 | /* now copy the rest of the setup parameters */ | |
1494 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1495 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1496 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1497 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1498 | ifmsh->mesh_pm_id = setup->path_metric; | |
b130e5ce JC |
1499 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1500 | if (setup->is_authenticated) | |
1501 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1502 | if (setup->is_secure) | |
1503 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1504 | |
4bb62344 CYY |
1505 | /* mcast rate setting in Mesh Node */ |
1506 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1507 | sizeof(setup->mcast_rate)); | |
1508 | ||
c80d545d JC |
1509 | return 0; |
1510 | } | |
1511 | ||
24bdd9f4 | 1512 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1513 | struct net_device *dev, u32 mask, |
1514 | const struct mesh_config *nconf) | |
93da9cc1 | 1515 | { |
1516 | struct mesh_config *conf; | |
1517 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1518 | struct ieee80211_if_mesh *ifmsh; |
1519 | ||
93da9cc1 | 1520 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1521 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1522 | |
93da9cc1 | 1523 | /* Set the config options which we are interested in setting */ |
1524 | conf = &(sdata->u.mesh.mshcfg); | |
1525 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1526 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1527 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1528 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1529 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1530 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1531 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1532 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1533 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1534 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1535 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1536 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1537 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1538 | conf->element_ttl = nconf->element_ttl; |
93da9cc1 | 1539 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) |
1540 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
d299a1f2 JC |
1541 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1542 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1543 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1544 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1545 | conf->dot11MeshHWMPmaxPREQretries = | |
1546 | nconf->dot11MeshHWMPmaxPREQretries; | |
1547 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1548 | conf->path_refresh_time = nconf->path_refresh_time; | |
1549 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1550 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1551 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1552 | conf->dot11MeshHWMPactivePathTimeout = | |
1553 | nconf->dot11MeshHWMPactivePathTimeout; | |
1554 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1555 | conf->dot11MeshHWMPpreqMinInterval = | |
1556 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1557 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1558 | conf->dot11MeshHWMPperrMinInterval = | |
1559 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1560 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1561 | mask)) | |
1562 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1563 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1564 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1565 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1566 | ieee80211_mesh_root_setup(ifmsh); | |
1567 | } | |
16dd7267 | 1568 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1569 | /* our current gate announcement implementation rides on root |
1570 | * announcements, so require this ifmsh to also be a root node | |
1571 | * */ | |
1572 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1573 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1574 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1575 | ieee80211_mesh_root_setup(ifmsh); |
1576 | } | |
16dd7267 JC |
1577 | conf->dot11MeshGateAnnouncementProtocol = |
1578 | nconf->dot11MeshGateAnnouncementProtocol; | |
1579 | } | |
a4f606ea | 1580 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1581 | conf->dot11MeshHWMPRannInterval = |
1582 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1583 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1584 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1585 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1586 | /* our RSSI threshold implementation is supported only for | |
1587 | * devices that report signal in dBm. | |
1588 | */ | |
1589 | if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) | |
1590 | return -ENOTSUPP; | |
1591 | conf->rssi_threshold = nconf->rssi_threshold; | |
1592 | } | |
70c33eaa AN |
1593 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1594 | conf->ht_opmode = nconf->ht_opmode; | |
1595 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1596 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1597 | } | |
ac1073a6 CYY |
1598 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1599 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1600 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1601 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1602 | conf->dot11MeshHWMProotInterval = | |
1603 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1604 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1605 | conf->dot11MeshHWMPconfirmationInterval = | |
1606 | nconf->dot11MeshHWMPconfirmationInterval; | |
93da9cc1 | 1607 | return 0; |
1608 | } | |
1609 | ||
29cbe68c JB |
1610 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1611 | const struct mesh_config *conf, | |
1612 | const struct mesh_setup *setup) | |
1613 | { | |
1614 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1615 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1616 | int err; |
29cbe68c | 1617 | |
c80d545d JC |
1618 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1619 | err = copy_mesh_setup(ifmsh, setup); | |
1620 | if (err) | |
1621 | return err; | |
cc1d2806 JB |
1622 | |
1623 | err = ieee80211_set_channel(wiphy, dev, setup->channel, | |
1624 | setup->channel_type); | |
1625 | if (err) | |
1626 | return err; | |
1627 | ||
29cbe68c JB |
1628 | ieee80211_start_mesh(sdata); |
1629 | ||
1630 | return 0; | |
1631 | } | |
1632 | ||
1633 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1634 | { | |
1635 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1636 | ||
1637 | ieee80211_stop_mesh(sdata); | |
1638 | ||
1639 | return 0; | |
1640 | } | |
c5dd9c2b LCC |
1641 | #endif |
1642 | ||
9f1ba906 JM |
1643 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1644 | struct net_device *dev, | |
1645 | struct bss_parameters *params) | |
1646 | { | |
9f1ba906 JM |
1647 | struct ieee80211_sub_if_data *sdata; |
1648 | u32 changed = 0; | |
1649 | ||
9f1ba906 JM |
1650 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1651 | ||
9f1ba906 | 1652 | if (params->use_cts_prot >= 0) { |
bda3933a | 1653 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1654 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1655 | } | |
1656 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1657 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1658 | params->use_short_preamble; |
1659 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1660 | } | |
43d35343 FF |
1661 | |
1662 | if (!sdata->vif.bss_conf.use_short_slot && | |
1663 | sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) { | |
1664 | sdata->vif.bss_conf.use_short_slot = true; | |
1665 | changed |= BSS_CHANGED_ERP_SLOT; | |
1666 | } | |
1667 | ||
9f1ba906 | 1668 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1669 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1670 | params->use_short_slot_time; |
1671 | changed |= BSS_CHANGED_ERP_SLOT; | |
1672 | } | |
1673 | ||
90c97a04 JM |
1674 | if (params->basic_rates) { |
1675 | int i, j; | |
1676 | u32 rates = 0; | |
1677 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1678 | struct ieee80211_supported_band *sband = | |
1679 | wiphy->bands[local->oper_channel->band]; | |
1680 | ||
1681 | for (i = 0; i < params->basic_rates_len; i++) { | |
1682 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1683 | for (j = 0; j < sband->n_bitrates; j++) { | |
1684 | if (sband->bitrates[j].bitrate == rate) | |
1685 | rates |= BIT(j); | |
1686 | } | |
1687 | } | |
1688 | sdata->vif.bss_conf.basic_rates = rates; | |
1689 | changed |= BSS_CHANGED_BASIC_RATES; | |
1690 | } | |
1691 | ||
7b7b5e56 FF |
1692 | if (params->ap_isolate >= 0) { |
1693 | if (params->ap_isolate) | |
1694 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1695 | else | |
1696 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1697 | } | |
1698 | ||
80d7e403 HS |
1699 | if (params->ht_opmode >= 0) { |
1700 | sdata->vif.bss_conf.ht_operation_mode = | |
1701 | (u16) params->ht_opmode; | |
1702 | changed |= BSS_CHANGED_HT; | |
1703 | } | |
1704 | ||
9f1ba906 JM |
1705 | ieee80211_bss_info_change_notify(sdata, changed); |
1706 | ||
1707 | return 0; | |
1708 | } | |
1709 | ||
31888487 | 1710 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1711 | struct net_device *dev, |
31888487 JM |
1712 | struct ieee80211_txq_params *params) |
1713 | { | |
1714 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1715 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1716 | struct ieee80211_tx_queue_params p; |
1717 | ||
1718 | if (!local->ops->conf_tx) | |
1719 | return -EOPNOTSUPP; | |
1720 | ||
54bcbc69 JB |
1721 | if (local->hw.queues < IEEE80211_NUM_ACS) |
1722 | return -EOPNOTSUPP; | |
1723 | ||
31888487 JM |
1724 | memset(&p, 0, sizeof(p)); |
1725 | p.aifs = params->aifs; | |
1726 | p.cw_max = params->cwmax; | |
1727 | p.cw_min = params->cwmin; | |
1728 | p.txop = params->txop; | |
ab13315a KV |
1729 | |
1730 | /* | |
1731 | * Setting tx queue params disables u-apsd because it's only | |
1732 | * called in master mode. | |
1733 | */ | |
1734 | p.uapsd = false; | |
1735 | ||
a3304b0a JB |
1736 | sdata->tx_conf[params->ac] = p; |
1737 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 1738 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
1739 | "failed to set TX queue parameters for AC %d\n", |
1740 | params->ac); | |
31888487 JM |
1741 | return -EINVAL; |
1742 | } | |
1743 | ||
7d25745d JB |
1744 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
1745 | ||
31888487 JM |
1746 | return 0; |
1747 | } | |
1748 | ||
665af4fc | 1749 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1750 | static int ieee80211_suspend(struct wiphy *wiphy, |
1751 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1752 | { |
eecc4800 | 1753 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1754 | } |
1755 | ||
1756 | static int ieee80211_resume(struct wiphy *wiphy) | |
1757 | { | |
1758 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1759 | } | |
1760 | #else | |
1761 | #define ieee80211_suspend NULL | |
1762 | #define ieee80211_resume NULL | |
1763 | #endif | |
1764 | ||
2a519311 | 1765 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
1766 | struct cfg80211_scan_request *req) |
1767 | { | |
fd014284 JB |
1768 | struct ieee80211_sub_if_data *sdata; |
1769 | ||
1770 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 1771 | |
2ca27bcf JB |
1772 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1773 | case NL80211_IFTYPE_STATION: | |
1774 | case NL80211_IFTYPE_ADHOC: | |
1775 | case NL80211_IFTYPE_MESH_POINT: | |
1776 | case NL80211_IFTYPE_P2P_CLIENT: | |
1777 | break; | |
1778 | case NL80211_IFTYPE_P2P_GO: | |
1779 | if (sdata->local->ops->hw_scan) | |
1780 | break; | |
e9d7732e JB |
1781 | /* |
1782 | * FIXME: implement NoA while scanning in software, | |
1783 | * for now fall through to allow scanning only when | |
1784 | * beaconing hasn't been configured yet | |
1785 | */ | |
2ca27bcf JB |
1786 | case NL80211_IFTYPE_AP: |
1787 | if (sdata->u.ap.beacon) | |
1788 | return -EOPNOTSUPP; | |
1789 | break; | |
1790 | default: | |
1791 | return -EOPNOTSUPP; | |
1792 | } | |
2a519311 JB |
1793 | |
1794 | return ieee80211_request_scan(sdata, req); | |
1795 | } | |
1796 | ||
79f460ca LC |
1797 | static int |
1798 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
1799 | struct net_device *dev, | |
1800 | struct cfg80211_sched_scan_request *req) | |
1801 | { | |
1802 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1803 | ||
1804 | if (!sdata->local->ops->sched_scan_start) | |
1805 | return -EOPNOTSUPP; | |
1806 | ||
1807 | return ieee80211_request_sched_scan_start(sdata, req); | |
1808 | } | |
1809 | ||
1810 | static int | |
85a9994a | 1811 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
1812 | { |
1813 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1814 | ||
1815 | if (!sdata->local->ops->sched_scan_stop) | |
1816 | return -EOPNOTSUPP; | |
1817 | ||
85a9994a | 1818 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
1819 | } |
1820 | ||
636a5d36 JM |
1821 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1822 | struct cfg80211_auth_request *req) | |
1823 | { | |
77fdaa12 | 1824 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1825 | } |
1826 | ||
1827 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1828 | struct cfg80211_assoc_request *req) | |
1829 | { | |
f444de05 JB |
1830 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1831 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1832 | ||
1833 | switch (ieee80211_get_channel_mode(local, sdata)) { | |
1834 | case CHAN_MODE_HOPPING: | |
1835 | return -EBUSY; | |
1836 | case CHAN_MODE_FIXED: | |
1837 | if (local->oper_channel == req->bss->channel) | |
1838 | break; | |
1839 | return -EBUSY; | |
1840 | case CHAN_MODE_UNDEFINED: | |
1841 | break; | |
1842 | } | |
1843 | ||
77fdaa12 | 1844 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1845 | } |
1846 | ||
1847 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 1848 | struct cfg80211_deauth_request *req) |
636a5d36 | 1849 | { |
63c9c5e7 | 1850 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1851 | } |
1852 | ||
1853 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 1854 | struct cfg80211_disassoc_request *req) |
636a5d36 | 1855 | { |
63c9c5e7 | 1856 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1857 | } |
1858 | ||
af8cdcd8 JB |
1859 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1860 | struct cfg80211_ibss_params *params) | |
1861 | { | |
f444de05 | 1862 | struct ieee80211_local *local = wiphy_priv(wiphy); |
af8cdcd8 JB |
1863 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1864 | ||
f444de05 JB |
1865 | switch (ieee80211_get_channel_mode(local, sdata)) { |
1866 | case CHAN_MODE_HOPPING: | |
1867 | return -EBUSY; | |
1868 | case CHAN_MODE_FIXED: | |
1869 | if (!params->channel_fixed) | |
1870 | return -EBUSY; | |
1871 | if (local->oper_channel == params->channel) | |
1872 | break; | |
1873 | return -EBUSY; | |
1874 | case CHAN_MODE_UNDEFINED: | |
1875 | break; | |
1876 | } | |
1877 | ||
af8cdcd8 JB |
1878 | return ieee80211_ibss_join(sdata, params); |
1879 | } | |
1880 | ||
1881 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1882 | { | |
1883 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1884 | ||
1885 | return ieee80211_ibss_leave(sdata); | |
1886 | } | |
1887 | ||
b9a5f8ca JM |
1888 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1889 | { | |
1890 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1891 | int err; |
b9a5f8ca | 1892 | |
f23a4780 AN |
1893 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
1894 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
1895 | ||
1896 | if (err) | |
1897 | return err; | |
1898 | } | |
1899 | ||
310bc676 LT |
1900 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1901 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1902 | ||
1903 | if (err) | |
1904 | return err; | |
1905 | } | |
1906 | ||
b9a5f8ca | 1907 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1908 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1909 | |
24487981 JB |
1910 | if (err) |
1911 | return err; | |
b9a5f8ca JM |
1912 | } |
1913 | ||
1914 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1915 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1916 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1917 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1918 | if (changed & | |
1919 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1920 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1921 | ||
1922 | return 0; | |
1923 | } | |
1924 | ||
7643a2c3 | 1925 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1926 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1927 | { |
1928 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1929 | struct ieee80211_channel *chan = local->hw.conf.channel; | |
1930 | u32 changes = 0; | |
7643a2c3 JB |
1931 | |
1932 | switch (type) { | |
fa61cf70 | 1933 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1934 | local->user_power_level = -1; |
1935 | break; | |
fa61cf70 JO |
1936 | case NL80211_TX_POWER_LIMITED: |
1937 | if (mbm < 0 || (mbm % 100)) | |
1938 | return -EOPNOTSUPP; | |
1939 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1940 | break; |
fa61cf70 JO |
1941 | case NL80211_TX_POWER_FIXED: |
1942 | if (mbm < 0 || (mbm % 100)) | |
1943 | return -EOPNOTSUPP; | |
7643a2c3 | 1944 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1945 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1946 | return -EINVAL; |
fa61cf70 | 1947 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1948 | break; |
7643a2c3 JB |
1949 | } |
1950 | ||
1951 | ieee80211_hw_config(local, changes); | |
1952 | ||
1953 | return 0; | |
1954 | } | |
1955 | ||
1956 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1957 | { | |
1958 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1959 | ||
1960 | *dbm = local->hw.conf.power_level; | |
1961 | ||
7643a2c3 JB |
1962 | return 0; |
1963 | } | |
1964 | ||
ab737a4f | 1965 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 1966 | const u8 *addr) |
ab737a4f JB |
1967 | { |
1968 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1969 | ||
1970 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1971 | ||
1972 | return 0; | |
1973 | } | |
1974 | ||
1f87f7d3 JB |
1975 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1976 | { | |
1977 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1978 | ||
1979 | drv_rfkill_poll(local); | |
1980 | } | |
1981 | ||
aff89a9b | 1982 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1983 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1984 | { |
1985 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1986 | ||
1987 | if (!local->ops->testmode_cmd) | |
1988 | return -EOPNOTSUPP; | |
1989 | ||
1990 | return local->ops->testmode_cmd(&local->hw, data, len); | |
1991 | } | |
71063f0e WYG |
1992 | |
1993 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
1994 | struct sk_buff *skb, | |
1995 | struct netlink_callback *cb, | |
1996 | void *data, int len) | |
1997 | { | |
1998 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1999 | ||
2000 | if (!local->ops->testmode_dump) | |
2001 | return -EOPNOTSUPP; | |
2002 | ||
2003 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2004 | } | |
aff89a9b JB |
2005 | #endif |
2006 | ||
0f78231b JB |
2007 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
2008 | enum ieee80211_smps_mode smps_mode) | |
2009 | { | |
2010 | const u8 *ap; | |
2011 | enum ieee80211_smps_mode old_req; | |
2012 | int err; | |
2013 | ||
243e6df4 JB |
2014 | lockdep_assert_held(&sdata->u.mgd.mtx); |
2015 | ||
0f78231b JB |
2016 | old_req = sdata->u.mgd.req_smps; |
2017 | sdata->u.mgd.req_smps = smps_mode; | |
2018 | ||
2019 | if (old_req == smps_mode && | |
2020 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2021 | return 0; | |
2022 | ||
2023 | /* | |
2024 | * If not associated, or current association is not an HT | |
2025 | * association, there's no need to send an action frame. | |
2026 | */ | |
2027 | if (!sdata->u.mgd.associated || | |
0aaffa9b | 2028 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { |
0f78231b | 2029 | mutex_lock(&sdata->local->iflist_mtx); |
025e6be2 | 2030 | ieee80211_recalc_smps(sdata->local); |
0f78231b JB |
2031 | mutex_unlock(&sdata->local->iflist_mtx); |
2032 | return 0; | |
2033 | } | |
2034 | ||
0c1ad2ca | 2035 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
2036 | |
2037 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
2038 | if (sdata->u.mgd.powersave) | |
2039 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
2040 | else | |
2041 | smps_mode = IEEE80211_SMPS_OFF; | |
2042 | } | |
2043 | ||
2044 | /* send SM PS frame to AP */ | |
2045 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2046 | ap, ap); | |
2047 | if (err) | |
2048 | sdata->u.mgd.req_smps = old_req; | |
2049 | ||
2050 | return err; | |
2051 | } | |
2052 | ||
bc92afd9 JB |
2053 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2054 | bool enabled, int timeout) | |
2055 | { | |
2056 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2057 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2058 | |
e5de30c9 BP |
2059 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
2060 | return -EOPNOTSUPP; | |
2061 | ||
bc92afd9 JB |
2062 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
2063 | return -EOPNOTSUPP; | |
2064 | ||
2065 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2066 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2067 | return 0; |
2068 | ||
2069 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2070 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2071 | |
0f78231b JB |
2072 | /* no change, but if automatic follow powersave */ |
2073 | mutex_lock(&sdata->u.mgd.mtx); | |
2074 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
2075 | mutex_unlock(&sdata->u.mgd.mtx); | |
2076 | ||
bc92afd9 JB |
2077 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
2078 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
2079 | ||
2080 | ieee80211_recalc_ps(local, -1); | |
2081 | ||
2082 | return 0; | |
2083 | } | |
2084 | ||
a97c13c3 JO |
2085 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2086 | struct net_device *dev, | |
2087 | s32 rssi_thold, u32 rssi_hyst) | |
2088 | { | |
2089 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2090 | struct ieee80211_vif *vif = &sdata->vif; |
2091 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2092 | ||
a97c13c3 JO |
2093 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2094 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2095 | return 0; | |
2096 | ||
2097 | bss_conf->cqm_rssi_thold = rssi_thold; | |
2098 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2099 | ||
2100 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2101 | if (sdata->u.mgd.associated && |
2102 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2103 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2104 | ||
2105 | return 0; | |
2106 | } | |
2107 | ||
9930380f JB |
2108 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2109 | struct net_device *dev, | |
2110 | const u8 *addr, | |
2111 | const struct cfg80211_bitrate_mask *mask) | |
2112 | { | |
2113 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2114 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2115 | int i, ret; |
2c7e6bc9 | 2116 | |
554a43d5 EP |
2117 | if (!ieee80211_sdata_running(sdata)) |
2118 | return -ENETDOWN; | |
2119 | ||
bdbfd6b5 SM |
2120 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
2121 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
2122 | if (ret) | |
2123 | return ret; | |
2124 | } | |
9930380f | 2125 | |
19468413 | 2126 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
37eb0b16 | 2127 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
19468413 SW |
2128 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs, |
2129 | sizeof(mask->control[i].mcs)); | |
2130 | } | |
9930380f | 2131 | |
37eb0b16 | 2132 | return 0; |
9930380f JB |
2133 | } |
2134 | ||
2eb278e0 JB |
2135 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2136 | struct ieee80211_sub_if_data *sdata, | |
2137 | struct ieee80211_channel *channel, | |
2138 | enum nl80211_channel_type channel_type, | |
2139 | unsigned int duration, u64 *cookie, | |
2140 | struct sk_buff *txskb) | |
2141 | { | |
2142 | struct ieee80211_roc_work *roc, *tmp; | |
2143 | bool queued = false; | |
21f83589 | 2144 | int ret; |
21f83589 JB |
2145 | |
2146 | lockdep_assert_held(&local->mtx); | |
2147 | ||
2eb278e0 JB |
2148 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2149 | if (!roc) | |
2150 | return -ENOMEM; | |
2151 | ||
2152 | roc->chan = channel; | |
2153 | roc->chan_type = channel_type; | |
2154 | roc->duration = duration; | |
2155 | roc->req_duration = duration; | |
2156 | roc->frame = txskb; | |
2157 | roc->mgmt_tx_cookie = (unsigned long)txskb; | |
2158 | roc->sdata = sdata; | |
2159 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2160 | INIT_LIST_HEAD(&roc->dependents); | |
2161 | ||
2162 | /* if there's one pending or we're scanning, queue this one */ | |
2163 | if (!list_empty(&local->roc_list) || local->scanning) | |
2164 | goto out_check_combine; | |
2165 | ||
2166 | /* if not HW assist, just queue & schedule work */ | |
2167 | if (!local->ops->remain_on_channel) { | |
2168 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2169 | goto out_queue; | |
2170 | } | |
2171 | ||
2172 | /* otherwise actually kick it off here (for error handling) */ | |
2173 | ||
2174 | /* | |
2175 | * If the duration is zero, then the driver | |
2176 | * wouldn't actually do anything. Set it to | |
2177 | * 10 for now. | |
2178 | * | |
2179 | * TODO: cancel the off-channel operation | |
2180 | * when we get the SKB's TX status and | |
2181 | * the wait time was zero before. | |
2182 | */ | |
2183 | if (!duration) | |
2184 | duration = 10; | |
2185 | ||
2186 | ret = drv_remain_on_channel(local, channel, channel_type, duration); | |
21f83589 | 2187 | if (ret) { |
2eb278e0 JB |
2188 | kfree(roc); |
2189 | return ret; | |
21f83589 JB |
2190 | } |
2191 | ||
2eb278e0 JB |
2192 | roc->started = true; |
2193 | goto out_queue; | |
2194 | ||
2195 | out_check_combine: | |
2196 | list_for_each_entry(tmp, &local->roc_list, list) { | |
2197 | if (tmp->chan != channel || tmp->chan_type != channel_type) | |
2198 | continue; | |
2199 | ||
2200 | /* | |
2201 | * Extend this ROC if possible: | |
2202 | * | |
2203 | * If it hasn't started yet, just increase the duration | |
2204 | * and add the new one to the list of dependents. | |
2205 | */ | |
2206 | if (!tmp->started) { | |
2207 | list_add_tail(&roc->list, &tmp->dependents); | |
2208 | tmp->duration = max(tmp->duration, roc->duration); | |
2209 | queued = true; | |
2210 | break; | |
2211 | } | |
2212 | ||
2213 | /* If it has already started, it's more difficult ... */ | |
2214 | if (local->ops->remain_on_channel) { | |
2215 | unsigned long j = jiffies; | |
2216 | ||
2217 | /* | |
2218 | * In the offloaded ROC case, if it hasn't begun, add | |
2219 | * this new one to the dependent list to be handled | |
2220 | * when the the master one begins. If it has begun, | |
2221 | * check that there's still a minimum time left and | |
2222 | * if so, start this one, transmitting the frame, but | |
2223 | * add it to the list directly after this one with a | |
2224 | * a reduced time so we'll ask the driver to execute | |
2225 | * it right after finishing the previous one, in the | |
2226 | * hope that it'll also be executed right afterwards, | |
2227 | * effectively extending the old one. | |
2228 | * If there's no minimum time left, just add it to the | |
2229 | * normal list. | |
2230 | */ | |
2231 | if (!tmp->hw_begun) { | |
2232 | list_add_tail(&roc->list, &tmp->dependents); | |
2233 | queued = true; | |
2234 | break; | |
2235 | } | |
2236 | ||
2237 | if (time_before(j + IEEE80211_ROC_MIN_LEFT, | |
2238 | tmp->hw_start_time + | |
2239 | msecs_to_jiffies(tmp->duration))) { | |
2240 | int new_dur; | |
2241 | ||
2242 | ieee80211_handle_roc_started(roc); | |
2243 | ||
2244 | new_dur = roc->duration - | |
2245 | jiffies_to_msecs(tmp->hw_start_time + | |
2246 | msecs_to_jiffies( | |
2247 | tmp->duration) - | |
2248 | j); | |
2249 | ||
2250 | if (new_dur > 0) { | |
2251 | /* add right after tmp */ | |
2252 | list_add(&roc->list, &tmp->list); | |
2253 | } else { | |
2254 | list_add_tail(&roc->list, | |
2255 | &tmp->dependents); | |
2256 | } | |
2257 | queued = true; | |
2258 | } | |
2259 | } else if (del_timer_sync(&tmp->work.timer)) { | |
2260 | unsigned long new_end; | |
2261 | ||
2262 | /* | |
2263 | * In the software ROC case, cancel the timer, if | |
2264 | * that fails then the finish work is already | |
2265 | * queued/pending and thus we queue the new ROC | |
2266 | * normally, if that succeeds then we can extend | |
2267 | * the timer duration and TX the frame (if any.) | |
2268 | */ | |
2269 | ||
2270 | list_add_tail(&roc->list, &tmp->dependents); | |
2271 | queued = true; | |
2272 | ||
2273 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2274 | ||
2275 | /* ok, it was started & we canceled timer */ | |
2276 | if (time_after(new_end, tmp->work.timer.expires)) | |
2277 | mod_timer(&tmp->work.timer, new_end); | |
2278 | else | |
2279 | add_timer(&tmp->work.timer); | |
2280 | ||
2281 | ieee80211_handle_roc_started(roc); | |
2282 | } | |
2283 | break; | |
2284 | } | |
2285 | ||
2286 | out_queue: | |
2287 | if (!queued) | |
2288 | list_add_tail(&roc->list, &local->roc_list); | |
2289 | ||
2290 | /* | |
2291 | * cookie is either the roc (for normal roc) | |
2292 | * or the SKB (for mgmt TX) | |
2293 | */ | |
2294 | if (txskb) | |
2295 | *cookie = (unsigned long)txskb; | |
2296 | else | |
2297 | *cookie = (unsigned long)roc; | |
2298 | ||
2299 | return 0; | |
21f83589 JB |
2300 | } |
2301 | ||
b8bc4b0a | 2302 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2303 | struct wireless_dev *wdev, |
b8bc4b0a JB |
2304 | struct ieee80211_channel *chan, |
2305 | enum nl80211_channel_type channel_type, | |
2306 | unsigned int duration, | |
2307 | u64 *cookie) | |
2308 | { | |
71bbc994 | 2309 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2310 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2311 | int ret; |
21f83589 | 2312 | |
2eb278e0 JB |
2313 | mutex_lock(&local->mtx); |
2314 | ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, | |
2315 | duration, cookie, NULL); | |
2316 | mutex_unlock(&local->mtx); | |
b8bc4b0a | 2317 | |
2eb278e0 | 2318 | return ret; |
b8bc4b0a JB |
2319 | } |
2320 | ||
2eb278e0 JB |
2321 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2322 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2323 | { |
2eb278e0 | 2324 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2325 | int ret; |
2326 | ||
2eb278e0 JB |
2327 | mutex_lock(&local->mtx); |
2328 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2329 | struct ieee80211_roc_work *dep, *tmp2; |
2330 | ||
2331 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
2332 | if (!mgmt_tx && (unsigned long)dep != cookie) | |
2333 | continue; | |
2334 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2335 | continue; | |
2336 | /* found dependent item -- just remove it */ | |
2337 | list_del(&dep->list); | |
2338 | mutex_unlock(&local->mtx); | |
2339 | ||
2340 | ieee80211_roc_notify_destroy(dep); | |
2341 | return 0; | |
2342 | } | |
2343 | ||
2eb278e0 JB |
2344 | if (!mgmt_tx && (unsigned long)roc != cookie) |
2345 | continue; | |
2346 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2347 | continue; | |
21f83589 | 2348 | |
2eb278e0 JB |
2349 | found = roc; |
2350 | break; | |
2351 | } | |
21f83589 | 2352 | |
2eb278e0 JB |
2353 | if (!found) { |
2354 | mutex_unlock(&local->mtx); | |
2355 | return -ENOENT; | |
2356 | } | |
21f83589 | 2357 | |
e979e33c JB |
2358 | /* |
2359 | * We found the item to cancel, so do that. Note that it | |
2360 | * may have dependents, which we also cancel (and send | |
2361 | * the expired signal for.) Not doing so would be quite | |
2362 | * tricky here, but we may need to fix it later. | |
2363 | */ | |
2364 | ||
2eb278e0 JB |
2365 | if (local->ops->remain_on_channel) { |
2366 | if (found->started) { | |
2367 | ret = drv_cancel_remain_on_channel(local); | |
2368 | if (WARN_ON_ONCE(ret)) { | |
2369 | mutex_unlock(&local->mtx); | |
2370 | return ret; | |
2371 | } | |
2372 | } | |
21f83589 | 2373 | |
2eb278e0 | 2374 | list_del(&found->list); |
21f83589 | 2375 | |
0f6b3f59 JB |
2376 | if (found->started) |
2377 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2378 | mutex_unlock(&local->mtx); |
21f83589 | 2379 | |
2eb278e0 JB |
2380 | ieee80211_roc_notify_destroy(found); |
2381 | } else { | |
2382 | /* work may be pending so use it all the time */ | |
2383 | found->abort = true; | |
2384 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2385 | |
21f83589 JB |
2386 | mutex_unlock(&local->mtx); |
2387 | ||
2eb278e0 JB |
2388 | /* work will clean up etc */ |
2389 | flush_delayed_work(&found->work); | |
21f83589 | 2390 | } |
b8bc4b0a | 2391 | |
2eb278e0 | 2392 | return 0; |
b8bc4b0a JB |
2393 | } |
2394 | ||
2eb278e0 | 2395 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2396 | struct wireless_dev *wdev, |
2eb278e0 | 2397 | u64 cookie) |
f30221e4 | 2398 | { |
71bbc994 | 2399 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2400 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2401 | |
2eb278e0 | 2402 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2403 | } |
2404 | ||
71bbc994 | 2405 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
f7ca38df | 2406 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 2407 | enum nl80211_channel_type channel_type, |
f7ca38df | 2408 | bool channel_type_valid, unsigned int wait, |
e9f935e3 | 2409 | const u8 *buf, size_t len, bool no_cck, |
e247bd90 | 2410 | bool dont_wait_for_ack, u64 *cookie) |
026331c4 | 2411 | { |
71bbc994 | 2412 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d JB |
2413 | struct ieee80211_local *local = sdata->local; |
2414 | struct sk_buff *skb; | |
2415 | struct sta_info *sta; | |
2416 | const struct ieee80211_mgmt *mgmt = (void *)buf; | |
2eb278e0 | 2417 | bool need_offchan = false; |
e247bd90 | 2418 | u32 flags; |
2eb278e0 | 2419 | int ret; |
f7ca38df | 2420 | |
e247bd90 JB |
2421 | if (dont_wait_for_ack) |
2422 | flags = IEEE80211_TX_CTL_NO_ACK; | |
2423 | else | |
2424 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
2425 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
2426 | ||
aad14ceb RM |
2427 | if (no_cck) |
2428 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; | |
2429 | ||
9d38d85d JB |
2430 | switch (sdata->vif.type) { |
2431 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
2432 | if (!sdata->vif.bss_conf.ibss_joined) |
2433 | need_offchan = true; | |
2434 | /* fall through */ | |
2435 | #ifdef CONFIG_MAC80211_MESH | |
2436 | case NL80211_IFTYPE_MESH_POINT: | |
2437 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
2438 | !sdata->u.mesh.mesh_id_len) | |
2439 | need_offchan = true; | |
2440 | /* fall through */ | |
2441 | #endif | |
663fcafd JB |
2442 | case NL80211_IFTYPE_AP: |
2443 | case NL80211_IFTYPE_AP_VLAN: | |
2444 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
2445 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
2446 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
2447 | !rcu_access_pointer(sdata->bss->beacon)) | |
2448 | need_offchan = true; | |
663fcafd JB |
2449 | if (!ieee80211_is_action(mgmt->frame_control) || |
2450 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
2451 | break; |
2452 | rcu_read_lock(); | |
2453 | sta = sta_info_get(sdata, mgmt->da); | |
2454 | rcu_read_unlock(); | |
2455 | if (!sta) | |
2456 | return -ENOLINK; | |
2457 | break; | |
2458 | case NL80211_IFTYPE_STATION: | |
663fcafd | 2459 | case NL80211_IFTYPE_P2P_CLIENT: |
2eb278e0 JB |
2460 | if (!sdata->u.mgd.associated) |
2461 | need_offchan = true; | |
9d38d85d JB |
2462 | break; |
2463 | default: | |
2464 | return -EOPNOTSUPP; | |
2465 | } | |
2466 | ||
2eb278e0 JB |
2467 | mutex_lock(&local->mtx); |
2468 | ||
2469 | /* Check if the operating channel is the requested channel */ | |
2470 | if (!need_offchan) { | |
2471 | need_offchan = chan != local->oper_channel; | |
2472 | if (channel_type_valid && | |
2473 | channel_type != local->_oper_channel_type) | |
2474 | need_offchan = true; | |
2475 | } | |
2476 | ||
2477 | if (need_offchan && !offchan) { | |
2478 | ret = -EBUSY; | |
2479 | goto out_unlock; | |
2480 | } | |
2481 | ||
9d38d85d | 2482 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); |
2eb278e0 JB |
2483 | if (!skb) { |
2484 | ret = -ENOMEM; | |
2485 | goto out_unlock; | |
2486 | } | |
9d38d85d JB |
2487 | skb_reserve(skb, local->hw.extra_tx_headroom); |
2488 | ||
2489 | memcpy(skb_put(skb, len), buf, len); | |
2490 | ||
2491 | IEEE80211_SKB_CB(skb)->flags = flags; | |
2492 | ||
2493 | skb->dev = sdata->dev; | |
9d38d85d | 2494 | |
2eb278e0 | 2495 | if (!need_offchan) { |
f30221e4 | 2496 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
2497 | ret = 0; |
2498 | goto out_unlock; | |
f30221e4 JB |
2499 | } |
2500 | ||
2eb278e0 JB |
2501 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; |
2502 | if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) | |
2503 | IEEE80211_SKB_CB(skb)->hw_queue = | |
2504 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 2505 | |
2eb278e0 JB |
2506 | /* This will handle all kinds of coalescing and immediate TX */ |
2507 | ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, | |
2508 | wait, cookie, skb); | |
2509 | if (ret) | |
2510 | kfree_skb(skb); | |
2511 | out_unlock: | |
2512 | mutex_unlock(&local->mtx); | |
2513 | return ret; | |
026331c4 JM |
2514 | } |
2515 | ||
f30221e4 | 2516 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 2517 | struct wireless_dev *wdev, |
f30221e4 JB |
2518 | u64 cookie) |
2519 | { | |
71bbc994 | 2520 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 2521 | |
2eb278e0 | 2522 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
2523 | } |
2524 | ||
7be5086d | 2525 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 2526 | struct wireless_dev *wdev, |
7be5086d JB |
2527 | u16 frame_type, bool reg) |
2528 | { | |
2529 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
71bbc994 | 2530 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7be5086d | 2531 | |
6abe0563 WH |
2532 | switch (frame_type) { |
2533 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH: | |
2534 | if (sdata->vif.type == NL80211_IFTYPE_ADHOC) { | |
2535 | struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; | |
7be5086d | 2536 | |
6abe0563 WH |
2537 | if (reg) |
2538 | ifibss->auth_frame_registrations++; | |
2539 | else | |
2540 | ifibss->auth_frame_registrations--; | |
2541 | } | |
2542 | break; | |
2543 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: | |
2544 | if (reg) | |
2545 | local->probe_req_reg++; | |
2546 | else | |
2547 | local->probe_req_reg--; | |
7be5086d | 2548 | |
6abe0563 WH |
2549 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
2550 | break; | |
2551 | default: | |
2552 | break; | |
2553 | } | |
7be5086d JB |
2554 | } |
2555 | ||
15d96753 BR |
2556 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
2557 | { | |
2558 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2559 | ||
2560 | if (local->started) | |
2561 | return -EOPNOTSUPP; | |
2562 | ||
2563 | return drv_set_antenna(local, tx_ant, rx_ant); | |
2564 | } | |
2565 | ||
2566 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
2567 | { | |
2568 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2569 | ||
2570 | return drv_get_antenna(local, tx_ant, rx_ant); | |
2571 | } | |
2572 | ||
38c09159 JL |
2573 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
2574 | { | |
2575 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2576 | ||
2577 | return drv_set_ringparam(local, tx, rx); | |
2578 | } | |
2579 | ||
2580 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
2581 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
2582 | { | |
2583 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2584 | ||
2585 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
2586 | } | |
2587 | ||
c68f4b89 JB |
2588 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
2589 | struct net_device *dev, | |
2590 | struct cfg80211_gtk_rekey_data *data) | |
2591 | { | |
2592 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2593 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2594 | ||
2595 | if (!local->ops->set_rekey_data) | |
2596 | return -EOPNOTSUPP; | |
2597 | ||
2598 | drv_set_rekey_data(local, sdata, data); | |
2599 | ||
2600 | return 0; | |
2601 | } | |
2602 | ||
dfe018bf AN |
2603 | static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb) |
2604 | { | |
2605 | u8 *pos = (void *)skb_put(skb, 7); | |
2606 | ||
2607 | *pos++ = WLAN_EID_EXT_CAPABILITY; | |
2608 | *pos++ = 5; /* len */ | |
2609 | *pos++ = 0x0; | |
2610 | *pos++ = 0x0; | |
2611 | *pos++ = 0x0; | |
2612 | *pos++ = 0x0; | |
2613 | *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED; | |
2614 | } | |
2615 | ||
2616 | static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) | |
2617 | { | |
2618 | struct ieee80211_local *local = sdata->local; | |
2619 | u16 capab; | |
2620 | ||
2621 | capab = 0; | |
2622 | if (local->oper_channel->band != IEEE80211_BAND_2GHZ) | |
2623 | return capab; | |
2624 | ||
2625 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) | |
2626 | capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; | |
2627 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) | |
2628 | capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; | |
2629 | ||
2630 | return capab; | |
2631 | } | |
2632 | ||
2633 | static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, | |
2634 | u8 *peer, u8 *bssid) | |
2635 | { | |
2636 | struct ieee80211_tdls_lnkie *lnkid; | |
2637 | ||
2638 | lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie)); | |
2639 | ||
2640 | lnkid->ie_type = WLAN_EID_LINK_ID; | |
2641 | lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2; | |
2642 | ||
2643 | memcpy(lnkid->bssid, bssid, ETH_ALEN); | |
2644 | memcpy(lnkid->init_sta, src_addr, ETH_ALEN); | |
2645 | memcpy(lnkid->resp_sta, peer, ETH_ALEN); | |
2646 | } | |
2647 | ||
2648 | static int | |
2649 | ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, | |
2650 | u8 *peer, u8 action_code, u8 dialog_token, | |
2651 | u16 status_code, struct sk_buff *skb) | |
2652 | { | |
2653 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2654 | struct ieee80211_tdls_data *tf; | |
2655 | ||
2656 | tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); | |
2657 | ||
2658 | memcpy(tf->da, peer, ETH_ALEN); | |
2659 | memcpy(tf->sa, sdata->vif.addr, ETH_ALEN); | |
2660 | tf->ether_type = cpu_to_be16(ETH_P_TDLS); | |
2661 | tf->payload_type = WLAN_TDLS_SNAP_RFTYPE; | |
2662 | ||
2663 | switch (action_code) { | |
2664 | case WLAN_TDLS_SETUP_REQUEST: | |
2665 | tf->category = WLAN_CATEGORY_TDLS; | |
2666 | tf->action_code = WLAN_TDLS_SETUP_REQUEST; | |
2667 | ||
2668 | skb_put(skb, sizeof(tf->u.setup_req)); | |
2669 | tf->u.setup_req.dialog_token = dialog_token; | |
2670 | tf->u.setup_req.capability = | |
2671 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2672 | ||
fc8a7321 JB |
2673 | ieee80211_add_srates_ie(sdata, skb, false); |
2674 | ieee80211_add_ext_srates_ie(sdata, skb, false); | |
dfe018bf AN |
2675 | ieee80211_tdls_add_ext_capab(skb); |
2676 | break; | |
2677 | case WLAN_TDLS_SETUP_RESPONSE: | |
2678 | tf->category = WLAN_CATEGORY_TDLS; | |
2679 | tf->action_code = WLAN_TDLS_SETUP_RESPONSE; | |
2680 | ||
2681 | skb_put(skb, sizeof(tf->u.setup_resp)); | |
2682 | tf->u.setup_resp.status_code = cpu_to_le16(status_code); | |
2683 | tf->u.setup_resp.dialog_token = dialog_token; | |
2684 | tf->u.setup_resp.capability = | |
2685 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2686 | ||
fc8a7321 JB |
2687 | ieee80211_add_srates_ie(sdata, skb, false); |
2688 | ieee80211_add_ext_srates_ie(sdata, skb, false); | |
dfe018bf AN |
2689 | ieee80211_tdls_add_ext_capab(skb); |
2690 | break; | |
2691 | case WLAN_TDLS_SETUP_CONFIRM: | |
2692 | tf->category = WLAN_CATEGORY_TDLS; | |
2693 | tf->action_code = WLAN_TDLS_SETUP_CONFIRM; | |
2694 | ||
2695 | skb_put(skb, sizeof(tf->u.setup_cfm)); | |
2696 | tf->u.setup_cfm.status_code = cpu_to_le16(status_code); | |
2697 | tf->u.setup_cfm.dialog_token = dialog_token; | |
2698 | break; | |
2699 | case WLAN_TDLS_TEARDOWN: | |
2700 | tf->category = WLAN_CATEGORY_TDLS; | |
2701 | tf->action_code = WLAN_TDLS_TEARDOWN; | |
2702 | ||
2703 | skb_put(skb, sizeof(tf->u.teardown)); | |
2704 | tf->u.teardown.reason_code = cpu_to_le16(status_code); | |
2705 | break; | |
2706 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2707 | tf->category = WLAN_CATEGORY_TDLS; | |
2708 | tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST; | |
2709 | ||
2710 | skb_put(skb, sizeof(tf->u.discover_req)); | |
2711 | tf->u.discover_req.dialog_token = dialog_token; | |
2712 | break; | |
2713 | default: | |
2714 | return -EINVAL; | |
2715 | } | |
2716 | ||
2717 | return 0; | |
2718 | } | |
2719 | ||
2720 | static int | |
2721 | ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, | |
2722 | u8 *peer, u8 action_code, u8 dialog_token, | |
2723 | u16 status_code, struct sk_buff *skb) | |
2724 | { | |
2725 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2726 | struct ieee80211_mgmt *mgmt; | |
2727 | ||
2728 | mgmt = (void *)skb_put(skb, 24); | |
2729 | memset(mgmt, 0, 24); | |
2730 | memcpy(mgmt->da, peer, ETH_ALEN); | |
2731 | memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); | |
2732 | memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); | |
2733 | ||
2734 | mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
2735 | IEEE80211_STYPE_ACTION); | |
2736 | ||
2737 | switch (action_code) { | |
2738 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2739 | skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp)); | |
2740 | mgmt->u.action.category = WLAN_CATEGORY_PUBLIC; | |
2741 | mgmt->u.action.u.tdls_discover_resp.action_code = | |
2742 | WLAN_PUB_ACTION_TDLS_DISCOVER_RES; | |
2743 | mgmt->u.action.u.tdls_discover_resp.dialog_token = | |
2744 | dialog_token; | |
2745 | mgmt->u.action.u.tdls_discover_resp.capability = | |
2746 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2747 | ||
fc8a7321 JB |
2748 | ieee80211_add_srates_ie(sdata, skb, false); |
2749 | ieee80211_add_ext_srates_ie(sdata, skb, false); | |
dfe018bf AN |
2750 | ieee80211_tdls_add_ext_capab(skb); |
2751 | break; | |
2752 | default: | |
2753 | return -EINVAL; | |
2754 | } | |
2755 | ||
2756 | return 0; | |
2757 | } | |
2758 | ||
2759 | static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, | |
2760 | u8 *peer, u8 action_code, u8 dialog_token, | |
2761 | u16 status_code, const u8 *extra_ies, | |
2762 | size_t extra_ies_len) | |
2763 | { | |
2764 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2765 | struct ieee80211_local *local = sdata->local; | |
2766 | struct ieee80211_tx_info *info; | |
2767 | struct sk_buff *skb = NULL; | |
2768 | bool send_direct; | |
2769 | int ret; | |
2770 | ||
2771 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2772 | return -ENOTSUPP; | |
2773 | ||
2774 | /* make sure we are in managed mode, and associated */ | |
2775 | if (sdata->vif.type != NL80211_IFTYPE_STATION || | |
2776 | !sdata->u.mgd.associated) | |
2777 | return -EINVAL; | |
2778 | ||
bdcbd8e0 JB |
2779 | tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n", |
2780 | action_code, peer); | |
dfe018bf AN |
2781 | |
2782 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + | |
2783 | max(sizeof(struct ieee80211_mgmt), | |
2784 | sizeof(struct ieee80211_tdls_data)) + | |
2785 | 50 + /* supported rates */ | |
2786 | 7 + /* ext capab */ | |
2787 | extra_ies_len + | |
2788 | sizeof(struct ieee80211_tdls_lnkie)); | |
2789 | if (!skb) | |
2790 | return -ENOMEM; | |
2791 | ||
2792 | info = IEEE80211_SKB_CB(skb); | |
2793 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
2794 | ||
2795 | switch (action_code) { | |
2796 | case WLAN_TDLS_SETUP_REQUEST: | |
2797 | case WLAN_TDLS_SETUP_RESPONSE: | |
2798 | case WLAN_TDLS_SETUP_CONFIRM: | |
2799 | case WLAN_TDLS_TEARDOWN: | |
2800 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2801 | ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer, | |
2802 | action_code, dialog_token, | |
2803 | status_code, skb); | |
2804 | send_direct = false; | |
2805 | break; | |
2806 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2807 | ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code, | |
2808 | dialog_token, status_code, | |
2809 | skb); | |
2810 | send_direct = true; | |
2811 | break; | |
2812 | default: | |
2813 | ret = -ENOTSUPP; | |
2814 | break; | |
2815 | } | |
2816 | ||
2817 | if (ret < 0) | |
2818 | goto fail; | |
2819 | ||
2820 | if (extra_ies_len) | |
2821 | memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len); | |
2822 | ||
2823 | /* the TDLS link IE is always added last */ | |
2824 | switch (action_code) { | |
2825 | case WLAN_TDLS_SETUP_REQUEST: | |
2826 | case WLAN_TDLS_SETUP_CONFIRM: | |
2827 | case WLAN_TDLS_TEARDOWN: | |
2828 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2829 | /* we are the initiator */ | |
2830 | ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer, | |
2831 | sdata->u.mgd.bssid); | |
2832 | break; | |
2833 | case WLAN_TDLS_SETUP_RESPONSE: | |
2834 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2835 | /* we are the responder */ | |
2836 | ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr, | |
2837 | sdata->u.mgd.bssid); | |
2838 | break; | |
2839 | default: | |
2840 | ret = -ENOTSUPP; | |
2841 | goto fail; | |
2842 | } | |
2843 | ||
2844 | if (send_direct) { | |
2845 | ieee80211_tx_skb(sdata, skb); | |
2846 | return 0; | |
2847 | } | |
2848 | ||
2849 | /* | |
2850 | * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise | |
2851 | * we should default to AC_VI. | |
2852 | */ | |
2853 | switch (action_code) { | |
2854 | case WLAN_TDLS_SETUP_REQUEST: | |
2855 | case WLAN_TDLS_SETUP_RESPONSE: | |
2856 | skb_set_queue_mapping(skb, IEEE80211_AC_BK); | |
2857 | skb->priority = 2; | |
2858 | break; | |
2859 | default: | |
2860 | skb_set_queue_mapping(skb, IEEE80211_AC_VI); | |
2861 | skb->priority = 5; | |
2862 | break; | |
2863 | } | |
2864 | ||
2865 | /* disable bottom halves when entering the Tx path */ | |
2866 | local_bh_disable(); | |
2867 | ret = ieee80211_subif_start_xmit(skb, dev); | |
2868 | local_bh_enable(); | |
2869 | ||
2870 | return ret; | |
2871 | ||
2872 | fail: | |
2873 | dev_kfree_skb(skb); | |
2874 | return ret; | |
2875 | } | |
2876 | ||
2877 | static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, | |
2878 | u8 *peer, enum nl80211_tdls_operation oper) | |
2879 | { | |
941c93cd | 2880 | struct sta_info *sta; |
dfe018bf AN |
2881 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2882 | ||
2883 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2884 | return -ENOTSUPP; | |
2885 | ||
2886 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
2887 | return -EINVAL; | |
2888 | ||
bdcbd8e0 | 2889 | tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer); |
dfe018bf AN |
2890 | |
2891 | switch (oper) { | |
2892 | case NL80211_TDLS_ENABLE_LINK: | |
941c93cd AN |
2893 | rcu_read_lock(); |
2894 | sta = sta_info_get(sdata, peer); | |
2895 | if (!sta) { | |
2896 | rcu_read_unlock(); | |
2897 | return -ENOLINK; | |
2898 | } | |
2899 | ||
c2c98fde | 2900 | set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); |
941c93cd | 2901 | rcu_read_unlock(); |
dfe018bf AN |
2902 | break; |
2903 | case NL80211_TDLS_DISABLE_LINK: | |
2904 | return sta_info_destroy_addr(sdata, peer); | |
2905 | case NL80211_TDLS_TEARDOWN: | |
2906 | case NL80211_TDLS_SETUP: | |
2907 | case NL80211_TDLS_DISCOVERY_REQ: | |
2908 | /* We don't support in-driver setup/teardown/discovery */ | |
2909 | return -ENOTSUPP; | |
2910 | default: | |
2911 | return -ENOTSUPP; | |
2912 | } | |
2913 | ||
2914 | return 0; | |
2915 | } | |
2916 | ||
06500736 JB |
2917 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
2918 | const u8 *peer, u64 *cookie) | |
2919 | { | |
2920 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2921 | struct ieee80211_local *local = sdata->local; | |
2922 | struct ieee80211_qos_hdr *nullfunc; | |
2923 | struct sk_buff *skb; | |
2924 | int size = sizeof(*nullfunc); | |
2925 | __le16 fc; | |
2926 | bool qos; | |
2927 | struct ieee80211_tx_info *info; | |
2928 | struct sta_info *sta; | |
2929 | ||
2930 | rcu_read_lock(); | |
2931 | sta = sta_info_get(sdata, peer); | |
b4487c2d | 2932 | if (sta) { |
06500736 | 2933 | qos = test_sta_flag(sta, WLAN_STA_WME); |
b4487c2d JB |
2934 | rcu_read_unlock(); |
2935 | } else { | |
2936 | rcu_read_unlock(); | |
06500736 | 2937 | return -ENOLINK; |
b4487c2d | 2938 | } |
06500736 JB |
2939 | |
2940 | if (qos) { | |
2941 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
2942 | IEEE80211_STYPE_QOS_NULLFUNC | | |
2943 | IEEE80211_FCTL_FROMDS); | |
2944 | } else { | |
2945 | size -= 2; | |
2946 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
2947 | IEEE80211_STYPE_NULLFUNC | | |
2948 | IEEE80211_FCTL_FROMDS); | |
2949 | } | |
2950 | ||
2951 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
2952 | if (!skb) | |
2953 | return -ENOMEM; | |
2954 | ||
2955 | skb->dev = dev; | |
2956 | ||
2957 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
2958 | ||
2959 | nullfunc = (void *) skb_put(skb, size); | |
2960 | nullfunc->frame_control = fc; | |
2961 | nullfunc->duration_id = 0; | |
2962 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
2963 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
2964 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
2965 | nullfunc->seq_ctrl = 0; | |
2966 | ||
2967 | info = IEEE80211_SKB_CB(skb); | |
2968 | ||
2969 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
2970 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
2971 | ||
2972 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
2973 | skb->priority = 7; | |
2974 | if (qos) | |
2975 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
2976 | ||
2977 | local_bh_disable(); | |
2978 | ieee80211_xmit(sdata, skb); | |
2979 | local_bh_enable(); | |
2980 | ||
2981 | *cookie = (unsigned long) skb; | |
2982 | return 0; | |
2983 | } | |
2984 | ||
6d52563f JB |
2985 | #ifdef CONFIG_PM |
2986 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
2987 | { | |
2988 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
2989 | } | |
2990 | #endif | |
2991 | ||
f0706e82 JB |
2992 | struct cfg80211_ops mac80211_config_ops = { |
2993 | .add_virtual_intf = ieee80211_add_iface, | |
2994 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 2995 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
2996 | .add_key = ieee80211_add_key, |
2997 | .del_key = ieee80211_del_key, | |
62da92fb | 2998 | .get_key = ieee80211_get_key, |
e8cbb4cb | 2999 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3000 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3001 | .start_ap = ieee80211_start_ap, |
3002 | .change_beacon = ieee80211_change_beacon, | |
3003 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3004 | .add_station = ieee80211_add_station, |
3005 | .del_station = ieee80211_del_station, | |
3006 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3007 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3008 | .dump_station = ieee80211_dump_station, |
1289723e | 3009 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3010 | #ifdef CONFIG_MAC80211_MESH |
3011 | .add_mpath = ieee80211_add_mpath, | |
3012 | .del_mpath = ieee80211_del_mpath, | |
3013 | .change_mpath = ieee80211_change_mpath, | |
3014 | .get_mpath = ieee80211_get_mpath, | |
3015 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
3016 | .update_mesh_config = ieee80211_update_mesh_config, |
3017 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3018 | .join_mesh = ieee80211_join_mesh, |
3019 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3020 | #endif |
9f1ba906 | 3021 | .change_bss = ieee80211_change_bss, |
31888487 | 3022 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3023 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3024 | .suspend = ieee80211_suspend, |
3025 | .resume = ieee80211_resume, | |
2a519311 | 3026 | .scan = ieee80211_scan, |
79f460ca LC |
3027 | .sched_scan_start = ieee80211_sched_scan_start, |
3028 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3029 | .auth = ieee80211_auth, |
3030 | .assoc = ieee80211_assoc, | |
3031 | .deauth = ieee80211_deauth, | |
3032 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3033 | .join_ibss = ieee80211_join_ibss, |
3034 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 3035 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3036 | .set_tx_power = ieee80211_set_tx_power, |
3037 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3038 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3039 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3040 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3041 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3042 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3043 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3044 | .remain_on_channel = ieee80211_remain_on_channel, |
3045 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3046 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3047 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3048 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3049 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3050 | .set_antenna = ieee80211_set_antenna, |
3051 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
3052 | .set_ringparam = ieee80211_set_ringparam, |
3053 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 3054 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3055 | .tdls_oper = ieee80211_tdls_oper, |
3056 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
06500736 | 3057 | .probe_client = ieee80211_probe_client, |
b53be792 | 3058 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3059 | #ifdef CONFIG_PM |
3060 | .set_wakeup = ieee80211_set_wakeup, | |
3061 | #endif | |
b1ab7925 BG |
3062 | .get_et_sset_count = ieee80211_get_et_sset_count, |
3063 | .get_et_stats = ieee80211_get_et_stats, | |
3064 | .get_et_strings = ieee80211_get_et_strings, | |
f0706e82 | 3065 | }; |