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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 | ||
f142c6b9 JB |
105 | static int ieee80211_start_p2p_device(struct wiphy *wiphy, |
106 | struct wireless_dev *wdev) | |
107 | { | |
108 | return ieee80211_do_open(wdev, true); | |
109 | } | |
110 | ||
111 | static void ieee80211_stop_p2p_device(struct wiphy *wiphy, | |
112 | struct wireless_dev *wdev) | |
113 | { | |
114 | ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev)); | |
115 | } | |
116 | ||
b53be792 SW |
117 | static int ieee80211_set_noack_map(struct wiphy *wiphy, |
118 | struct net_device *dev, | |
119 | u16 noack_map) | |
120 | { | |
121 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
122 | ||
123 | sdata->noack_map = noack_map; | |
124 | return 0; | |
125 | } | |
126 | ||
e8cbb4cb | 127 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 128 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
129 | struct key_params *params) |
130 | { | |
26a58456 | 131 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
e8cbb4cb | 132 | struct sta_info *sta = NULL; |
db4d1169 | 133 | struct ieee80211_key *key; |
3b96766f | 134 | int err; |
e8cbb4cb | 135 | |
26a58456 | 136 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
137 | return -ENETDOWN; |
138 | ||
97359d12 | 139 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
140 | switch (params->cipher) { |
141 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 142 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 JB |
143 | case WLAN_CIPHER_SUITE_WEP104: |
144 | if (IS_ERR(sdata->local->wep_tx_tfm)) | |
145 | return -EINVAL; | |
3cfcf6ac | 146 | break; |
e8cbb4cb | 147 | default: |
97359d12 | 148 | break; |
e8cbb4cb JB |
149 | } |
150 | ||
97359d12 JB |
151 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
152 | params->key, params->seq_len, params->seq); | |
1ac62ba7 BH |
153 | if (IS_ERR(key)) |
154 | return PTR_ERR(key); | |
db4d1169 | 155 | |
e31b8213 JB |
156 | if (pairwise) |
157 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
158 | ||
ad0e2b5a | 159 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 160 | |
e8cbb4cb | 161 | if (mac_addr) { |
ff973af7 TP |
162 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
163 | sta = sta_info_get(sdata, mac_addr); | |
164 | else | |
165 | sta = sta_info_get_bss(sdata, mac_addr); | |
db4d1169 | 166 | if (!sta) { |
32162a4d | 167 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
168 | err = -ENOENT; |
169 | goto out_unlock; | |
db4d1169 | 170 | } |
e8cbb4cb JB |
171 | } |
172 | ||
3ffc2a90 JB |
173 | err = ieee80211_key_link(key, sdata, sta); |
174 | if (err) | |
175 | ieee80211_key_free(sdata->local, key); | |
db4d1169 | 176 | |
3b96766f | 177 | out_unlock: |
ad0e2b5a | 178 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
179 | |
180 | return err; | |
e8cbb4cb JB |
181 | } |
182 | ||
183 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 184 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 185 | { |
5c0c3641 JB |
186 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
187 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 188 | struct sta_info *sta; |
5c0c3641 | 189 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
190 | int ret; |
191 | ||
5c0c3641 JB |
192 | mutex_lock(&local->sta_mtx); |
193 | mutex_lock(&local->key_mtx); | |
3b96766f | 194 | |
e8cbb4cb | 195 | if (mac_addr) { |
3b96766f JB |
196 | ret = -ENOENT; |
197 | ||
0e5ded5a | 198 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 199 | if (!sta) |
3b96766f | 200 | goto out_unlock; |
e8cbb4cb | 201 | |
5c0c3641 | 202 | if (pairwise) |
40b275b6 | 203 | key = key_mtx_dereference(local, sta->ptk); |
5c0c3641 | 204 | else |
40b275b6 | 205 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 206 | } else |
40b275b6 | 207 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 208 | |
5c0c3641 | 209 | if (!key) { |
3b96766f JB |
210 | ret = -ENOENT; |
211 | goto out_unlock; | |
212 | } | |
e8cbb4cb | 213 | |
5c0c3641 | 214 | __ieee80211_key_free(key); |
e8cbb4cb | 215 | |
3b96766f JB |
216 | ret = 0; |
217 | out_unlock: | |
5c0c3641 JB |
218 | mutex_unlock(&local->key_mtx); |
219 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
220 | |
221 | return ret; | |
e8cbb4cb JB |
222 | } |
223 | ||
62da92fb | 224 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
225 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
226 | void *cookie, | |
62da92fb JB |
227 | void (*callback)(void *cookie, |
228 | struct key_params *params)) | |
229 | { | |
14db74bc | 230 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
231 | struct sta_info *sta = NULL; |
232 | u8 seq[6] = {0}; | |
233 | struct key_params params; | |
e31b8213 | 234 | struct ieee80211_key *key = NULL; |
aba83a0b | 235 | u64 pn64; |
62da92fb JB |
236 | u32 iv32; |
237 | u16 iv16; | |
238 | int err = -ENOENT; | |
239 | ||
14db74bc JB |
240 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
241 | ||
3b96766f JB |
242 | rcu_read_lock(); |
243 | ||
62da92fb | 244 | if (mac_addr) { |
0e5ded5a | 245 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
246 | if (!sta) |
247 | goto out; | |
248 | ||
e31b8213 | 249 | if (pairwise) |
a3836e02 | 250 | key = rcu_dereference(sta->ptk); |
e31b8213 | 251 | else if (key_idx < NUM_DEFAULT_KEYS) |
a3836e02 | 252 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 253 | } else |
a3836e02 | 254 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
255 | |
256 | if (!key) | |
257 | goto out; | |
258 | ||
259 | memset(¶ms, 0, sizeof(params)); | |
260 | ||
97359d12 | 261 | params.cipher = key->conf.cipher; |
62da92fb | 262 | |
97359d12 JB |
263 | switch (key->conf.cipher) { |
264 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
265 | iv32 = key->u.tkip.tx.iv32; |
266 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 267 | |
24487981 JB |
268 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
269 | drv_get_tkip_seq(sdata->local, | |
270 | key->conf.hw_key_idx, | |
271 | &iv32, &iv16); | |
62da92fb JB |
272 | |
273 | seq[0] = iv16 & 0xff; | |
274 | seq[1] = (iv16 >> 8) & 0xff; | |
275 | seq[2] = iv32 & 0xff; | |
276 | seq[3] = (iv32 >> 8) & 0xff; | |
277 | seq[4] = (iv32 >> 16) & 0xff; | |
278 | seq[5] = (iv32 >> 24) & 0xff; | |
279 | params.seq = seq; | |
280 | params.seq_len = 6; | |
281 | break; | |
97359d12 | 282 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
283 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
284 | seq[0] = pn64; | |
285 | seq[1] = pn64 >> 8; | |
286 | seq[2] = pn64 >> 16; | |
287 | seq[3] = pn64 >> 24; | |
288 | seq[4] = pn64 >> 32; | |
289 | seq[5] = pn64 >> 40; | |
62da92fb JB |
290 | params.seq = seq; |
291 | params.seq_len = 6; | |
292 | break; | |
97359d12 | 293 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
294 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
295 | seq[0] = pn64; | |
296 | seq[1] = pn64 >> 8; | |
297 | seq[2] = pn64 >> 16; | |
298 | seq[3] = pn64 >> 24; | |
299 | seq[4] = pn64 >> 32; | |
300 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
301 | params.seq = seq; |
302 | params.seq_len = 6; | |
303 | break; | |
62da92fb JB |
304 | } |
305 | ||
306 | params.key = key->conf.key; | |
307 | params.key_len = key->conf.keylen; | |
308 | ||
309 | callback(cookie, ¶ms); | |
310 | err = 0; | |
311 | ||
312 | out: | |
3b96766f | 313 | rcu_read_unlock(); |
62da92fb JB |
314 | return err; |
315 | } | |
316 | ||
e8cbb4cb JB |
317 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
318 | struct net_device *dev, | |
dbd2fd65 JB |
319 | u8 key_idx, bool uni, |
320 | bool multi) | |
e8cbb4cb | 321 | { |
ad0e2b5a | 322 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 323 | |
f7e0104c | 324 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
325 | |
326 | return 0; | |
327 | } | |
328 | ||
3cfcf6ac JM |
329 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
330 | struct net_device *dev, | |
331 | u8 key_idx) | |
332 | { | |
66c52421 | 333 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 334 | |
3cfcf6ac JM |
335 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
336 | ||
3cfcf6ac JM |
337 | return 0; |
338 | } | |
339 | ||
3af6334c FF |
340 | static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) |
341 | { | |
342 | if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { | |
343 | struct ieee80211_supported_band *sband; | |
344 | sband = sta->local->hw.wiphy->bands[ | |
679ef4ea | 345 | sta->local->oper_channel->band]; |
3af6334c FF |
346 | rate->legacy = sband->bitrates[idx].bitrate; |
347 | } else | |
348 | rate->mcs = idx; | |
349 | } | |
350 | ||
6b62bf32 TP |
351 | void sta_set_rate_info_tx(struct sta_info *sta, |
352 | const struct ieee80211_tx_rate *rate, | |
353 | struct rate_info *rinfo) | |
354 | { | |
355 | rinfo->flags = 0; | |
356 | if (rate->flags & IEEE80211_TX_RC_MCS) | |
357 | rinfo->flags |= RATE_INFO_FLAGS_MCS; | |
358 | if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
359 | rinfo->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
360 | if (rate->flags & IEEE80211_TX_RC_SHORT_GI) | |
361 | rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI; | |
362 | rate_idx_to_bitrate(rinfo, sta, rate->idx); | |
363 | } | |
364 | ||
c5dd9c2b LCC |
365 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
366 | { | |
d0709a65 | 367 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
66572cfc | 368 | struct ieee80211_local *local = sdata->local; |
ebe27c91 | 369 | struct timespec uptime; |
c5dd9c2b | 370 | |
f5ea9120 JB |
371 | sinfo->generation = sdata->local->sta_generation; |
372 | ||
c5dd9c2b LCC |
373 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
374 | STATION_INFO_RX_BYTES | | |
420e7fab | 375 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
376 | STATION_INFO_RX_PACKETS | |
377 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
378 | STATION_INFO_TX_RETRIES | |
379 | STATION_INFO_TX_FAILED | | |
5a5c731a | 380 | STATION_INFO_TX_BITRATE | |
3af6334c | 381 | STATION_INFO_RX_BITRATE | |
f4263c98 | 382 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 | 383 | STATION_INFO_BSS_PARAM | |
7a724767 | 384 | STATION_INFO_CONNECTED_TIME | |
a85e1d55 PS |
385 | STATION_INFO_STA_FLAGS | |
386 | STATION_INFO_BEACON_LOSS_COUNT; | |
ebe27c91 MSS |
387 | |
388 | do_posix_clock_monotonic_gettime(&uptime); | |
389 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
390 | |
391 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
392 | sinfo->rx_bytes = sta->rx_bytes; | |
393 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
394 | sinfo->rx_packets = sta->rx_packets; |
395 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
396 | sinfo->tx_retries = sta->tx_retry_count; |
397 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 398 | sinfo->rx_dropped_misc = sta->rx_dropped; |
a85e1d55 | 399 | sinfo->beacon_loss_count = sta->beacon_loss_count; |
c5dd9c2b | 400 | |
19deffbe JL |
401 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
402 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 403 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
66572cfc VG |
404 | if (!local->ops->get_rssi || |
405 | drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal)) | |
406 | sinfo->signal = (s8)sta->last_signal; | |
541a45a1 | 407 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab HR |
408 | } |
409 | ||
6b62bf32 | 410 | sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate); |
3af6334c FF |
411 | |
412 | sinfo->rxrate.flags = 0; | |
413 | if (sta->last_rx_rate_flag & RX_FLAG_HT) | |
414 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; | |
415 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
416 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
417 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
418 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
419 | rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); | |
420e7fab | 420 | |
902acc78 | 421 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 422 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
423 | sinfo->filled |= STATION_INFO_LLID | |
424 | STATION_INFO_PLID | | |
425 | STATION_INFO_PLINK_STATE; | |
426 | ||
427 | sinfo->llid = le16_to_cpu(sta->llid); | |
428 | sinfo->plid = le16_to_cpu(sta->plid); | |
429 | sinfo->plink_state = sta->plink_state; | |
d299a1f2 JC |
430 | if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) { |
431 | sinfo->filled |= STATION_INFO_T_OFFSET; | |
432 | sinfo->t_offset = sta->t_offset; | |
433 | } | |
c5dd9c2b | 434 | #endif |
902acc78 | 435 | } |
f4263c98 PS |
436 | |
437 | sinfo->bss_param.flags = 0; | |
438 | if (sdata->vif.bss_conf.use_cts_prot) | |
439 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
440 | if (sdata->vif.bss_conf.use_short_preamble) | |
441 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
442 | if (sdata->vif.bss_conf.use_short_slot) | |
443 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
444 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
445 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
7a724767 HS |
446 | |
447 | sinfo->sta_flags.set = 0; | |
448 | sinfo->sta_flags.mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
449 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
450 | BIT(NL80211_STA_FLAG_WME) | | |
451 | BIT(NL80211_STA_FLAG_MFP) | | |
e4121562 HS |
452 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
453 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
7a724767 HS |
454 | if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
455 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHORIZED); | |
456 | if (test_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE)) | |
457 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); | |
458 | if (test_sta_flag(sta, WLAN_STA_WME)) | |
459 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_WME); | |
460 | if (test_sta_flag(sta, WLAN_STA_MFP)) | |
461 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_MFP); | |
462 | if (test_sta_flag(sta, WLAN_STA_AUTH)) | |
463 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_AUTHENTICATED); | |
e4121562 HS |
464 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) |
465 | sinfo->sta_flags.set |= BIT(NL80211_STA_FLAG_TDLS_PEER); | |
c5dd9c2b LCC |
466 | } |
467 | ||
b1ab7925 BG |
468 | static const char ieee80211_gstrings_sta_stats[][ETH_GSTRING_LEN] = { |
469 | "rx_packets", "rx_bytes", "wep_weak_iv_count", | |
470 | "rx_duplicates", "rx_fragments", "rx_dropped", | |
471 | "tx_packets", "tx_bytes", "tx_fragments", | |
472 | "tx_filtered", "tx_retry_failed", "tx_retries", | |
3073a7c2 BG |
473 | "beacon_loss", "sta_state", "txrate", "rxrate", "signal", |
474 | "channel", "noise", "ch_time", "ch_time_busy", | |
475 | "ch_time_ext_busy", "ch_time_rx", "ch_time_tx" | |
b1ab7925 BG |
476 | }; |
477 | #define STA_STATS_LEN ARRAY_SIZE(ieee80211_gstrings_sta_stats) | |
478 | ||
479 | static int ieee80211_get_et_sset_count(struct wiphy *wiphy, | |
480 | struct net_device *dev, | |
481 | int sset) | |
482 | { | |
e352114f BG |
483 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
484 | int rv = 0; | |
485 | ||
b1ab7925 | 486 | if (sset == ETH_SS_STATS) |
e352114f BG |
487 | rv += STA_STATS_LEN; |
488 | ||
489 | rv += drv_get_et_sset_count(sdata, sset); | |
b1ab7925 | 490 | |
e352114f BG |
491 | if (rv == 0) |
492 | return -EOPNOTSUPP; | |
493 | return rv; | |
b1ab7925 BG |
494 | } |
495 | ||
496 | static void ieee80211_get_et_stats(struct wiphy *wiphy, | |
497 | struct net_device *dev, | |
498 | struct ethtool_stats *stats, | |
499 | u64 *data) | |
500 | { | |
501 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
502 | struct sta_info *sta; | |
503 | struct ieee80211_local *local = sdata->local; | |
3073a7c2 BG |
504 | struct station_info sinfo; |
505 | struct survey_info survey; | |
506 | int i, q; | |
507 | #define STA_STATS_SURVEY_LEN 7 | |
b1ab7925 BG |
508 | |
509 | memset(data, 0, sizeof(u64) * STA_STATS_LEN); | |
510 | ||
511 | #define ADD_STA_STATS(sta) \ | |
512 | do { \ | |
513 | data[i++] += sta->rx_packets; \ | |
514 | data[i++] += sta->rx_bytes; \ | |
515 | data[i++] += sta->wep_weak_iv_count; \ | |
516 | data[i++] += sta->num_duplicates; \ | |
517 | data[i++] += sta->rx_fragments; \ | |
518 | data[i++] += sta->rx_dropped; \ | |
519 | \ | |
520 | data[i++] += sta->tx_packets; \ | |
521 | data[i++] += sta->tx_bytes; \ | |
522 | data[i++] += sta->tx_fragments; \ | |
523 | data[i++] += sta->tx_filtered_count; \ | |
524 | data[i++] += sta->tx_retry_failed; \ | |
525 | data[i++] += sta->tx_retry_count; \ | |
526 | data[i++] += sta->beacon_loss_count; \ | |
527 | } while (0) | |
528 | ||
529 | /* For Managed stations, find the single station based on BSSID | |
530 | * and use that. For interface types, iterate through all available | |
531 | * stations and add stats for any station that is assigned to this | |
532 | * network device. | |
533 | */ | |
534 | ||
66572cfc | 535 | mutex_lock(&local->sta_mtx); |
b1ab7925 BG |
536 | |
537 | if (sdata->vif.type == NL80211_IFTYPE_STATION) { | |
538 | sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid); | |
3073a7c2 BG |
539 | |
540 | if (!(sta && !WARN_ON(sta->sdata->dev != dev))) | |
541 | goto do_survey; | |
542 | ||
543 | i = 0; | |
544 | ADD_STA_STATS(sta); | |
545 | ||
546 | data[i++] = sta->sta_state; | |
547 | ||
548 | sinfo.filled = 0; | |
549 | sta_set_sinfo(sta, &sinfo); | |
550 | ||
5204267d | 551 | if (sinfo.filled & STATION_INFO_TX_BITRATE) |
3073a7c2 BG |
552 | data[i] = 100000 * |
553 | cfg80211_calculate_bitrate(&sinfo.txrate); | |
554 | i++; | |
5204267d | 555 | if (sinfo.filled & STATION_INFO_RX_BITRATE) |
3073a7c2 BG |
556 | data[i] = 100000 * |
557 | cfg80211_calculate_bitrate(&sinfo.rxrate); | |
558 | i++; | |
559 | ||
5204267d | 560 | if (sinfo.filled & STATION_INFO_SIGNAL_AVG) |
3073a7c2 BG |
561 | data[i] = (u8)sinfo.signal_avg; |
562 | i++; | |
b1ab7925 | 563 | } else { |
66572cfc | 564 | list_for_each_entry(sta, &local->sta_list, list) { |
b1ab7925 BG |
565 | /* Make sure this station belongs to the proper dev */ |
566 | if (sta->sdata->dev != dev) | |
567 | continue; | |
568 | ||
569 | i = 0; | |
570 | ADD_STA_STATS(sta); | |
b1ab7925 BG |
571 | } |
572 | } | |
573 | ||
3073a7c2 BG |
574 | do_survey: |
575 | i = STA_STATS_LEN - STA_STATS_SURVEY_LEN; | |
576 | /* Get survey stats for current channel */ | |
577 | q = 0; | |
578 | while (true) { | |
579 | survey.filled = 0; | |
580 | if (drv_get_survey(local, q, &survey) != 0) { | |
581 | survey.filled = 0; | |
582 | break; | |
583 | } | |
584 | ||
585 | if (survey.channel && | |
586 | (local->oper_channel->center_freq == | |
587 | survey.channel->center_freq)) | |
588 | break; | |
589 | q++; | |
590 | } | |
591 | ||
592 | if (survey.filled) | |
593 | data[i++] = survey.channel->center_freq; | |
594 | else | |
595 | data[i++] = 0; | |
596 | if (survey.filled & SURVEY_INFO_NOISE_DBM) | |
597 | data[i++] = (u8)survey.noise; | |
598 | else | |
599 | data[i++] = -1LL; | |
600 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME) | |
601 | data[i++] = survey.channel_time; | |
602 | else | |
603 | data[i++] = -1LL; | |
604 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_BUSY) | |
605 | data[i++] = survey.channel_time_busy; | |
606 | else | |
607 | data[i++] = -1LL; | |
608 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_EXT_BUSY) | |
609 | data[i++] = survey.channel_time_ext_busy; | |
610 | else | |
611 | data[i++] = -1LL; | |
612 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_RX) | |
613 | data[i++] = survey.channel_time_rx; | |
614 | else | |
615 | data[i++] = -1LL; | |
616 | if (survey.filled & SURVEY_INFO_CHANNEL_TIME_TX) | |
617 | data[i++] = survey.channel_time_tx; | |
618 | else | |
619 | data[i++] = -1LL; | |
620 | ||
66572cfc | 621 | mutex_unlock(&local->sta_mtx); |
e352114f | 622 | |
3073a7c2 BG |
623 | if (WARN_ON(i != STA_STATS_LEN)) |
624 | return; | |
625 | ||
e352114f | 626 | drv_get_et_stats(sdata, stats, &(data[STA_STATS_LEN])); |
b1ab7925 BG |
627 | } |
628 | ||
629 | static void ieee80211_get_et_strings(struct wiphy *wiphy, | |
630 | struct net_device *dev, | |
631 | u32 sset, u8 *data) | |
632 | { | |
e352114f BG |
633 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
634 | int sz_sta_stats = 0; | |
635 | ||
b1ab7925 | 636 | if (sset == ETH_SS_STATS) { |
e352114f | 637 | sz_sta_stats = sizeof(ieee80211_gstrings_sta_stats); |
b1ab7925 BG |
638 | memcpy(data, *ieee80211_gstrings_sta_stats, sz_sta_stats); |
639 | } | |
e352114f | 640 | drv_get_et_strings(sdata, sset, &(data[sz_sta_stats])); |
b1ab7925 | 641 | } |
c5dd9c2b LCC |
642 | |
643 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
644 | int idx, u8 *mac, struct station_info *sinfo) | |
645 | { | |
3b53fde8 | 646 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 647 | struct ieee80211_local *local = sdata->local; |
c5dd9c2b | 648 | struct sta_info *sta; |
d0709a65 JB |
649 | int ret = -ENOENT; |
650 | ||
66572cfc | 651 | mutex_lock(&local->sta_mtx); |
c5dd9c2b | 652 | |
3b53fde8 | 653 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
654 | if (sta) { |
655 | ret = 0; | |
17741cdc | 656 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
657 | sta_set_sinfo(sta, sinfo); |
658 | } | |
c5dd9c2b | 659 | |
66572cfc | 660 | mutex_unlock(&local->sta_mtx); |
c5dd9c2b | 661 | |
d0709a65 | 662 | return ret; |
c5dd9c2b LCC |
663 | } |
664 | ||
1289723e HS |
665 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
666 | int idx, struct survey_info *survey) | |
667 | { | |
668 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
669 | ||
1289723e HS |
670 | return drv_get_survey(local, idx, survey); |
671 | } | |
672 | ||
7bbdd2d9 | 673 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 674 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 675 | { |
abe60632 | 676 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
66572cfc | 677 | struct ieee80211_local *local = sdata->local; |
7bbdd2d9 | 678 | struct sta_info *sta; |
d0709a65 | 679 | int ret = -ENOENT; |
7bbdd2d9 | 680 | |
66572cfc | 681 | mutex_lock(&local->sta_mtx); |
7bbdd2d9 | 682 | |
0e5ded5a | 683 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
684 | if (sta) { |
685 | ret = 0; | |
686 | sta_set_sinfo(sta, sinfo); | |
687 | } | |
688 | ||
66572cfc | 689 | mutex_unlock(&local->sta_mtx); |
d0709a65 JB |
690 | |
691 | return ret; | |
7bbdd2d9 JB |
692 | } |
693 | ||
3d9e6e12 JB |
694 | static int ieee80211_set_channel(struct wiphy *wiphy, |
695 | struct net_device *netdev, | |
696 | struct ieee80211_channel *chan, | |
697 | enum nl80211_channel_type channel_type) | |
698 | { | |
699 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
700 | struct ieee80211_sub_if_data *sdata = NULL; | |
701 | ||
702 | if (netdev) | |
703 | sdata = IEEE80211_DEV_TO_SUB_IF(netdev); | |
704 | ||
705 | switch (ieee80211_get_channel_mode(local, NULL)) { | |
706 | case CHAN_MODE_HOPPING: | |
707 | return -EBUSY; | |
708 | case CHAN_MODE_FIXED: | |
ac4d82fa PF |
709 | if (local->oper_channel != chan || |
710 | (!sdata && local->_oper_channel_type != channel_type)) | |
3d9e6e12 JB |
711 | return -EBUSY; |
712 | if (!sdata && local->_oper_channel_type == channel_type) | |
713 | return 0; | |
714 | break; | |
715 | case CHAN_MODE_UNDEFINED: | |
716 | break; | |
717 | } | |
718 | ||
719 | if (!ieee80211_set_channel_type(local, sdata, channel_type)) | |
720 | return -EBUSY; | |
721 | ||
722 | local->oper_channel = chan; | |
723 | ||
724 | /* auto-detects changes */ | |
725 | ieee80211_hw_config(local, 0); | |
726 | ||
727 | return 0; | |
728 | } | |
729 | ||
e8c9bd5b JB |
730 | static int ieee80211_set_monitor_channel(struct wiphy *wiphy, |
731 | struct ieee80211_channel *chan, | |
732 | enum nl80211_channel_type channel_type) | |
733 | { | |
734 | return ieee80211_set_channel(wiphy, NULL, chan, channel_type); | |
735 | } | |
736 | ||
02945821 | 737 | static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, |
8860020e | 738 | const u8 *resp, size_t resp_len) |
02945821 | 739 | { |
aa7a0080 | 740 | struct probe_resp *new, *old; |
02945821 AN |
741 | |
742 | if (!resp || !resp_len) | |
aa7a0080 | 743 | return -EINVAL; |
02945821 | 744 | |
f724828b | 745 | old = rtnl_dereference(sdata->u.ap.probe_resp); |
02945821 | 746 | |
aa7a0080 | 747 | new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL); |
02945821 AN |
748 | if (!new) |
749 | return -ENOMEM; | |
750 | ||
aa7a0080 ES |
751 | new->len = resp_len; |
752 | memcpy(new->data, resp, resp_len); | |
02945821 AN |
753 | |
754 | rcu_assign_pointer(sdata->u.ap.probe_resp, new); | |
aa7a0080 ES |
755 | if (old) |
756 | kfree_rcu(old, rcu_head); | |
02945821 AN |
757 | |
758 | return 0; | |
759 | } | |
760 | ||
8860020e JB |
761 | static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata, |
762 | struct cfg80211_beacon_data *params) | |
5dfdaf58 JB |
763 | { |
764 | struct beacon_data *new, *old; | |
765 | int new_head_len, new_tail_len; | |
8860020e JB |
766 | int size, err; |
767 | u32 changed = BSS_CHANGED_BEACON; | |
5dfdaf58 | 768 | |
40b275b6 | 769 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 | 770 | |
5dfdaf58 JB |
771 | /* Need to have a beacon head if we don't have one yet */ |
772 | if (!params->head && !old) | |
8860020e | 773 | return -EINVAL; |
5dfdaf58 JB |
774 | |
775 | /* new or old head? */ | |
776 | if (params->head) | |
777 | new_head_len = params->head_len; | |
778 | else | |
779 | new_head_len = old->head_len; | |
780 | ||
781 | /* new or old tail? */ | |
782 | if (params->tail || !old) | |
783 | /* params->tail_len will be zero for !params->tail */ | |
784 | new_tail_len = params->tail_len; | |
785 | else | |
786 | new_tail_len = old->tail_len; | |
787 | ||
788 | size = sizeof(*new) + new_head_len + new_tail_len; | |
789 | ||
790 | new = kzalloc(size, GFP_KERNEL); | |
791 | if (!new) | |
792 | return -ENOMEM; | |
793 | ||
794 | /* start filling the new info now */ | |
795 | ||
5dfdaf58 JB |
796 | /* |
797 | * pointers go into the block we allocated, | |
798 | * memory is | beacon_data | head | tail | | |
799 | */ | |
800 | new->head = ((u8 *) new) + sizeof(*new); | |
801 | new->tail = new->head + new_head_len; | |
802 | new->head_len = new_head_len; | |
803 | new->tail_len = new_tail_len; | |
804 | ||
805 | /* copy in head */ | |
806 | if (params->head) | |
807 | memcpy(new->head, params->head, new_head_len); | |
808 | else | |
809 | memcpy(new->head, old->head, new_head_len); | |
810 | ||
811 | /* copy in optional tail */ | |
812 | if (params->tail) | |
813 | memcpy(new->tail, params->tail, new_tail_len); | |
814 | else | |
815 | if (old) | |
816 | memcpy(new->tail, old->tail, new_tail_len); | |
817 | ||
02945821 AN |
818 | err = ieee80211_set_probe_resp(sdata, params->probe_resp, |
819 | params->probe_resp_len); | |
8860020e JB |
820 | if (err < 0) |
821 | return err; | |
822 | if (err == 0) | |
02945821 AN |
823 | changed |= BSS_CHANGED_AP_PROBE_RESP; |
824 | ||
8860020e JB |
825 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
826 | ||
827 | if (old) | |
828 | kfree_rcu(old, rcu_head); | |
7827493b | 829 | |
8860020e | 830 | return changed; |
5dfdaf58 JB |
831 | } |
832 | ||
8860020e JB |
833 | static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, |
834 | struct cfg80211_ap_settings *params) | |
5dfdaf58 | 835 | { |
8860020e | 836 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
5dfdaf58 | 837 | struct beacon_data *old; |
665c93a9 | 838 | struct ieee80211_sub_if_data *vlan; |
8860020e JB |
839 | u32 changed = BSS_CHANGED_BEACON_INT | |
840 | BSS_CHANGED_BEACON_ENABLED | | |
841 | BSS_CHANGED_BEACON | | |
842 | BSS_CHANGED_SSID; | |
843 | int err; | |
14db74bc | 844 | |
40b275b6 | 845 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
846 | if (old) |
847 | return -EALREADY; | |
848 | ||
aa430da4 JB |
849 | err = ieee80211_set_channel(wiphy, dev, params->channel, |
850 | params->channel_type); | |
851 | if (err) | |
852 | return err; | |
853 | ||
665c93a9 JB |
854 | /* |
855 | * Apply control port protocol, this allows us to | |
856 | * not encrypt dynamic WEP control frames. | |
857 | */ | |
858 | sdata->control_port_protocol = params->crypto.control_port_ethertype; | |
859 | sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt; | |
860 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) { | |
861 | vlan->control_port_protocol = | |
862 | params->crypto.control_port_ethertype; | |
863 | vlan->control_port_no_encrypt = | |
864 | params->crypto.control_port_no_encrypt; | |
865 | } | |
866 | ||
8860020e JB |
867 | sdata->vif.bss_conf.beacon_int = params->beacon_interval; |
868 | sdata->vif.bss_conf.dtim_period = params->dtim_period; | |
869 | ||
870 | sdata->vif.bss_conf.ssid_len = params->ssid_len; | |
871 | if (params->ssid_len) | |
872 | memcpy(sdata->vif.bss_conf.ssid, params->ssid, | |
873 | params->ssid_len); | |
874 | sdata->vif.bss_conf.hidden_ssid = | |
875 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
876 | ||
877 | err = ieee80211_assign_beacon(sdata, ¶ms->beacon); | |
878 | if (err < 0) | |
879 | return err; | |
880 | changed |= err; | |
881 | ||
882 | ieee80211_bss_info_change_notify(sdata, changed); | |
883 | ||
3edaf3e6 JB |
884 | netif_carrier_on(dev); |
885 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) | |
886 | netif_carrier_on(vlan->dev); | |
887 | ||
665c93a9 | 888 | return 0; |
5dfdaf58 JB |
889 | } |
890 | ||
8860020e JB |
891 | static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev, |
892 | struct cfg80211_beacon_data *params) | |
5dfdaf58 | 893 | { |
14db74bc | 894 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 | 895 | struct beacon_data *old; |
8860020e | 896 | int err; |
5dfdaf58 | 897 | |
14db74bc JB |
898 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
899 | ||
40b275b6 | 900 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
901 | if (!old) |
902 | return -ENOENT; | |
903 | ||
8860020e JB |
904 | err = ieee80211_assign_beacon(sdata, params); |
905 | if (err < 0) | |
906 | return err; | |
907 | ieee80211_bss_info_change_notify(sdata, err); | |
908 | return 0; | |
5dfdaf58 JB |
909 | } |
910 | ||
8860020e | 911 | static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) |
5dfdaf58 | 912 | { |
3edaf3e6 | 913 | struct ieee80211_sub_if_data *sdata, *vlan; |
5dfdaf58 JB |
914 | struct beacon_data *old; |
915 | ||
14db74bc JB |
916 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
917 | ||
40b275b6 | 918 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
919 | if (!old) |
920 | return -ENOENT; | |
921 | ||
3edaf3e6 JB |
922 | list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) |
923 | netif_carrier_off(vlan->dev); | |
924 | netif_carrier_off(dev); | |
925 | ||
a9b3cd7f | 926 | RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); |
8860020e JB |
927 | |
928 | kfree_rcu(old, rcu_head); | |
5dfdaf58 | 929 | |
99102bd3 | 930 | sta_info_flush(sdata->local, sdata); |
2d0ddec5 | 931 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
8860020e | 932 | |
2d0ddec5 | 933 | return 0; |
5dfdaf58 JB |
934 | } |
935 | ||
4fd6931e JB |
936 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
937 | struct iapp_layer2_update { | |
938 | u8 da[ETH_ALEN]; /* broadcast */ | |
939 | u8 sa[ETH_ALEN]; /* STA addr */ | |
940 | __be16 len; /* 6 */ | |
941 | u8 dsap; /* 0 */ | |
942 | u8 ssap; /* 0 */ | |
943 | u8 control; | |
944 | u8 xid_info[3]; | |
bc10502d | 945 | } __packed; |
4fd6931e JB |
946 | |
947 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
948 | { | |
949 | struct iapp_layer2_update *msg; | |
950 | struct sk_buff *skb; | |
951 | ||
952 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
953 | * bridge devices */ | |
954 | ||
955 | skb = dev_alloc_skb(sizeof(*msg)); | |
956 | if (!skb) | |
957 | return; | |
958 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
959 | ||
960 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
961 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
962 | ||
e83e6541 | 963 | eth_broadcast_addr(msg->da); |
17741cdc | 964 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
965 | msg->len = htons(6); |
966 | msg->dsap = 0; | |
967 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
968 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
969 | * F=0 (no poll command; unsolicited frame) */ | |
970 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
971 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
972 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
973 | ||
d0709a65 JB |
974 | skb->dev = sta->sdata->dev; |
975 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 976 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 977 | netif_rx_ni(skb); |
4fd6931e JB |
978 | } |
979 | ||
d9a7ddb0 JB |
980 | static int sta_apply_parameters(struct ieee80211_local *local, |
981 | struct sta_info *sta, | |
982 | struct station_parameters *params) | |
4fd6931e | 983 | { |
d9a7ddb0 | 984 | int ret = 0; |
4fd6931e JB |
985 | u32 rates; |
986 | int i, j; | |
8318d78a | 987 | struct ieee80211_supported_band *sband; |
d0709a65 | 988 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 989 | u32 mask, set; |
4fd6931e | 990 | |
ae5eb026 JB |
991 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
992 | ||
eccb8e8f JB |
993 | mask = params->sta_flags_mask; |
994 | set = params->sta_flags_set; | |
73651ee6 | 995 | |
d9a7ddb0 JB |
996 | /* |
997 | * In mesh mode, we can clear AUTHENTICATED flag but must | |
998 | * also make ASSOCIATED follow appropriately for the driver | |
999 | * API. See also below, after AUTHORIZED changes. | |
1000 | */ | |
1001 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
1002 | /* cfg80211 should not allow this in non-mesh modes */ | |
1003 | if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) | |
1004 | return -EINVAL; | |
1005 | ||
1006 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED) && | |
1007 | !test_sta_flag(sta, WLAN_STA_AUTH)) { | |
83d5cc01 | 1008 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); |
d9a7ddb0 JB |
1009 | if (ret) |
1010 | return ret; | |
83d5cc01 | 1011 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
d9a7ddb0 JB |
1012 | if (ret) |
1013 | return ret; | |
1014 | } | |
1015 | } | |
1016 | ||
eccb8e8f | 1017 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
eccb8e8f | 1018 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
83d5cc01 | 1019 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); |
543d1b92 | 1020 | else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) |
83d5cc01 | 1021 | ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC); |
d9a7ddb0 JB |
1022 | if (ret) |
1023 | return ret; | |
1024 | } | |
1025 | ||
1026 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
1027 | /* cfg80211 should not allow this in non-mesh modes */ | |
1028 | if (WARN_ON(!ieee80211_vif_is_mesh(&sdata->vif))) | |
1029 | return -EINVAL; | |
1030 | ||
1031 | if (!(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) && | |
1032 | test_sta_flag(sta, WLAN_STA_AUTH)) { | |
83d5cc01 | 1033 | ret = sta_info_move_state(sta, IEEE80211_STA_AUTH); |
d9a7ddb0 JB |
1034 | if (ret) |
1035 | return ret; | |
83d5cc01 | 1036 | ret = sta_info_move_state(sta, IEEE80211_STA_NONE); |
d9a7ddb0 JB |
1037 | if (ret) |
1038 | return ret; | |
1039 | } | |
eccb8e8f | 1040 | } |
4fd6931e | 1041 | |
d9a7ddb0 | 1042 | |
eccb8e8f | 1043 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
eccb8e8f | 1044 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
c2c98fde JB |
1045 | set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); |
1046 | else | |
1047 | clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE); | |
eccb8e8f | 1048 | } |
4fd6931e | 1049 | |
eccb8e8f | 1050 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
39df600a | 1051 | if (set & BIT(NL80211_STA_FLAG_WME)) { |
c2c98fde | 1052 | set_sta_flag(sta, WLAN_STA_WME); |
39df600a | 1053 | sta->sta.wme = true; |
c2c98fde JB |
1054 | } else { |
1055 | clear_sta_flag(sta, WLAN_STA_WME); | |
1056 | sta->sta.wme = false; | |
39df600a | 1057 | } |
eccb8e8f | 1058 | } |
5394af4d | 1059 | |
eccb8e8f | 1060 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
eccb8e8f | 1061 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
c2c98fde JB |
1062 | set_sta_flag(sta, WLAN_STA_MFP); |
1063 | else | |
1064 | clear_sta_flag(sta, WLAN_STA_MFP); | |
4fd6931e | 1065 | } |
b39c48fa | 1066 | |
07ba55d7 | 1067 | if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) { |
07ba55d7 | 1068 | if (set & BIT(NL80211_STA_FLAG_TDLS_PEER)) |
c2c98fde JB |
1069 | set_sta_flag(sta, WLAN_STA_TDLS_PEER); |
1070 | else | |
1071 | clear_sta_flag(sta, WLAN_STA_TDLS_PEER); | |
07ba55d7 | 1072 | } |
4fd6931e | 1073 | |
3b9ce80c JB |
1074 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) { |
1075 | sta->sta.uapsd_queues = params->uapsd_queues; | |
1076 | sta->sta.max_sp = params->max_sp; | |
1077 | } | |
9533b4ac | 1078 | |
51b50fbe JB |
1079 | /* |
1080 | * cfg80211 validates this (1-2007) and allows setting the AID | |
1081 | * only when creating a new station entry | |
1082 | */ | |
1083 | if (params->aid) | |
1084 | sta->sta.aid = params->aid; | |
1085 | ||
73651ee6 JB |
1086 | /* |
1087 | * FIXME: updating the following information is racy when this | |
1088 | * function is called from ieee80211_change_station(). | |
1089 | * However, all this information should be static so | |
1090 | * maybe we should just reject attemps to change it. | |
1091 | */ | |
1092 | ||
4fd6931e JB |
1093 | if (params->listen_interval >= 0) |
1094 | sta->listen_interval = params->listen_interval; | |
1095 | ||
1096 | if (params->supported_rates) { | |
1097 | rates = 0; | |
8318d78a | 1098 | |
4fd6931e JB |
1099 | for (i = 0; i < params->supported_rates_len; i++) { |
1100 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
1101 | for (j = 0; j < sband->n_bitrates; j++) { |
1102 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
1103 | rates |= BIT(j); |
1104 | } | |
1105 | } | |
323ce79a | 1106 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 1107 | } |
c5dd9c2b | 1108 | |
d9fe60de | 1109 | if (params->ht_capa) |
ef96a842 | 1110 | ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband, |
ae5eb026 | 1111 | params->ht_capa, |
d9fe60de | 1112 | &sta->sta.ht_cap); |
36aedc90 | 1113 | |
9c3990aa | 1114 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 1115 | #ifdef CONFIG_MAC80211_MESH |
9c3990aa JC |
1116 | if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) |
1117 | switch (params->plink_state) { | |
57cf8043 JC |
1118 | case NL80211_PLINK_LISTEN: |
1119 | case NL80211_PLINK_ESTAB: | |
1120 | case NL80211_PLINK_BLOCKED: | |
9c3990aa JC |
1121 | sta->plink_state = params->plink_state; |
1122 | break; | |
1123 | default: | |
1124 | /* nothing */ | |
1125 | break; | |
1126 | } | |
1127 | else | |
1128 | switch (params->plink_action) { | |
1129 | case PLINK_ACTION_OPEN: | |
1130 | mesh_plink_open(sta); | |
1131 | break; | |
1132 | case PLINK_ACTION_BLOCK: | |
1133 | mesh_plink_block(sta); | |
1134 | break; | |
1135 | } | |
4daf50f2 | 1136 | #endif |
902acc78 | 1137 | } |
d9a7ddb0 JB |
1138 | |
1139 | return 0; | |
4fd6931e JB |
1140 | } |
1141 | ||
1142 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
1143 | u8 *mac, struct station_parameters *params) | |
1144 | { | |
14db74bc | 1145 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1146 | struct sta_info *sta; |
1147 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 1148 | int err; |
b8d476c8 | 1149 | int layer2_update; |
4fd6931e | 1150 | |
4fd6931e JB |
1151 | if (params->vlan) { |
1152 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
1153 | ||
05c914fe JB |
1154 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1155 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
1156 | return -EINVAL; |
1157 | } else | |
1158 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1159 | ||
b203ca39 | 1160 | if (ether_addr_equal(mac, sdata->vif.addr)) |
03e4497e JB |
1161 | return -EINVAL; |
1162 | ||
1163 | if (is_multicast_ether_addr(mac)) | |
1164 | return -EINVAL; | |
1165 | ||
1166 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
1167 | if (!sta) |
1168 | return -ENOMEM; | |
4fd6931e | 1169 | |
83d5cc01 JB |
1170 | sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); |
1171 | sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); | |
4fd6931e | 1172 | |
d9a7ddb0 JB |
1173 | err = sta_apply_parameters(local, sta, params); |
1174 | if (err) { | |
1175 | sta_info_free(local, sta); | |
1176 | return err; | |
1177 | } | |
4fd6931e | 1178 | |
d64cf63e AN |
1179 | /* |
1180 | * for TDLS, rate control should be initialized only when supported | |
1181 | * rates are known. | |
1182 | */ | |
1183 | if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) | |
1184 | rate_control_rate_init(sta); | |
4fd6931e | 1185 | |
b8d476c8 JM |
1186 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
1187 | sdata->vif.type == NL80211_IFTYPE_AP; | |
1188 | ||
34e89507 | 1189 | err = sta_info_insert_rcu(sta); |
73651ee6 | 1190 | if (err) { |
73651ee6 JB |
1191 | rcu_read_unlock(); |
1192 | return err; | |
1193 | } | |
1194 | ||
b8d476c8 | 1195 | if (layer2_update) |
73651ee6 JB |
1196 | ieee80211_send_layer2_update(sta); |
1197 | ||
1198 | rcu_read_unlock(); | |
1199 | ||
4fd6931e JB |
1200 | return 0; |
1201 | } | |
1202 | ||
1203 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
1204 | u8 *mac) | |
1205 | { | |
14db74bc JB |
1206 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1207 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 1208 | |
14db74bc JB |
1209 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1210 | ||
34e89507 JB |
1211 | if (mac) |
1212 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 1213 | |
34e89507 | 1214 | sta_info_flush(local, sdata); |
4fd6931e JB |
1215 | return 0; |
1216 | } | |
1217 | ||
1218 | static int ieee80211_change_station(struct wiphy *wiphy, | |
1219 | struct net_device *dev, | |
1220 | u8 *mac, | |
1221 | struct station_parameters *params) | |
1222 | { | |
abe60632 | 1223 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 1224 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
1225 | struct sta_info *sta; |
1226 | struct ieee80211_sub_if_data *vlansdata; | |
35b88623 | 1227 | int err; |
4fd6931e | 1228 | |
87be1e1e | 1229 | mutex_lock(&local->sta_mtx); |
98dd6a57 | 1230 | |
0e5ded5a | 1231 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 | 1232 | if (!sta) { |
87be1e1e | 1233 | mutex_unlock(&local->sta_mtx); |
4fd6931e | 1234 | return -ENOENT; |
98dd6a57 | 1235 | } |
4fd6931e | 1236 | |
bdd90d5e JB |
1237 | /* in station mode, supported rates are only valid with TDLS */ |
1238 | if (sdata->vif.type == NL80211_IFTYPE_STATION && | |
1239 | params->supported_rates && | |
1240 | !test_sta_flag(sta, WLAN_STA_TDLS_PEER)) { | |
87be1e1e | 1241 | mutex_unlock(&local->sta_mtx); |
bdd90d5e JB |
1242 | return -EINVAL; |
1243 | } | |
1244 | ||
d0709a65 | 1245 | if (params->vlan && params->vlan != sta->sdata->dev) { |
7e3ed02c FF |
1246 | bool prev_4addr = false; |
1247 | bool new_4addr = false; | |
1248 | ||
4fd6931e JB |
1249 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
1250 | ||
05c914fe JB |
1251 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
1252 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
87be1e1e | 1253 | mutex_unlock(&local->sta_mtx); |
4fd6931e | 1254 | return -EINVAL; |
98dd6a57 | 1255 | } |
4fd6931e | 1256 | |
9bc383de | 1257 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c | 1258 | if (vlansdata->u.vlan.sta) { |
87be1e1e | 1259 | mutex_unlock(&local->sta_mtx); |
f14543ee | 1260 | return -EBUSY; |
3305443c | 1261 | } |
f14543ee | 1262 | |
cf778b00 | 1263 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); |
7e3ed02c FF |
1264 | new_4addr = true; |
1265 | } | |
1266 | ||
1267 | if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN && | |
1268 | sta->sdata->u.vlan.sta) { | |
1269 | rcu_assign_pointer(sta->sdata->u.vlan.sta, NULL); | |
1270 | prev_4addr = true; | |
f14543ee FF |
1271 | } |
1272 | ||
14db74bc | 1273 | sta->sdata = vlansdata; |
7e3ed02c FF |
1274 | |
1275 | if (sta->sta_state == IEEE80211_STA_AUTHORIZED && | |
1276 | prev_4addr != new_4addr) { | |
1277 | if (new_4addr) | |
1278 | atomic_dec(&sta->sdata->bss->num_mcast_sta); | |
1279 | else | |
1280 | atomic_inc(&sta->sdata->bss->num_mcast_sta); | |
1281 | } | |
1282 | ||
4fd6931e JB |
1283 | ieee80211_send_layer2_update(sta); |
1284 | } | |
1285 | ||
35b88623 EP |
1286 | err = sta_apply_parameters(local, sta, params); |
1287 | if (err) { | |
1288 | mutex_unlock(&local->sta_mtx); | |
1289 | return err; | |
1290 | } | |
4fd6931e | 1291 | |
d64cf63e AN |
1292 | if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) && params->supported_rates) |
1293 | rate_control_rate_init(sta); | |
1294 | ||
87be1e1e | 1295 | mutex_unlock(&local->sta_mtx); |
98dd6a57 | 1296 | |
808118cb | 1297 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
ab095877 | 1298 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
808118cb | 1299 | ieee80211_recalc_ps(local, -1); |
ab095877 EP |
1300 | ieee80211_recalc_ps_vif(sdata); |
1301 | } | |
4fd6931e JB |
1302 | return 0; |
1303 | } | |
1304 | ||
c5dd9c2b LCC |
1305 | #ifdef CONFIG_MAC80211_MESH |
1306 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1307 | u8 *dst, u8 *next_hop) | |
1308 | { | |
14db74bc | 1309 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1310 | struct mesh_path *mpath; |
1311 | struct sta_info *sta; | |
1312 | int err; | |
1313 | ||
14db74bc JB |
1314 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1315 | ||
d0709a65 | 1316 | rcu_read_lock(); |
abe60632 | 1317 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1318 | if (!sta) { |
1319 | rcu_read_unlock(); | |
c5dd9c2b | 1320 | return -ENOENT; |
d0709a65 | 1321 | } |
c5dd9c2b | 1322 | |
f698d856 | 1323 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
1324 | if (err) { |
1325 | rcu_read_unlock(); | |
c5dd9c2b | 1326 | return err; |
d0709a65 | 1327 | } |
c5dd9c2b | 1328 | |
f698d856 | 1329 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1330 | if (!mpath) { |
1331 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1332 | return -ENXIO; |
1333 | } | |
1334 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1335 | |
c5dd9c2b LCC |
1336 | rcu_read_unlock(); |
1337 | return 0; | |
1338 | } | |
1339 | ||
1340 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1341 | u8 *dst) | |
1342 | { | |
f698d856 JBG |
1343 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1344 | ||
c5dd9c2b | 1345 | if (dst) |
f698d856 | 1346 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 1347 | |
ece1a2e7 | 1348 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
1349 | return 0; |
1350 | } | |
1351 | ||
1352 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
1353 | struct net_device *dev, | |
1354 | u8 *dst, u8 *next_hop) | |
1355 | { | |
14db74bc | 1356 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1357 | struct mesh_path *mpath; |
1358 | struct sta_info *sta; | |
1359 | ||
14db74bc JB |
1360 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1361 | ||
d0709a65 JB |
1362 | rcu_read_lock(); |
1363 | ||
abe60632 | 1364 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
1365 | if (!sta) { |
1366 | rcu_read_unlock(); | |
c5dd9c2b | 1367 | return -ENOENT; |
d0709a65 | 1368 | } |
c5dd9c2b | 1369 | |
f698d856 | 1370 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1371 | if (!mpath) { |
1372 | rcu_read_unlock(); | |
c5dd9c2b LCC |
1373 | return -ENOENT; |
1374 | } | |
1375 | ||
1376 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 1377 | |
c5dd9c2b LCC |
1378 | rcu_read_unlock(); |
1379 | return 0; | |
1380 | } | |
1381 | ||
1382 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
1383 | struct mpath_info *pinfo) | |
1384 | { | |
a3836e02 JB |
1385 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
1386 | ||
1387 | if (next_hop_sta) | |
1388 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
1389 | else |
1390 | memset(next_hop, 0, ETH_ALEN); | |
1391 | ||
f5ea9120 JB |
1392 | pinfo->generation = mesh_paths_generation; |
1393 | ||
c5dd9c2b | 1394 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 1395 | MPATH_INFO_SN | |
c5dd9c2b LCC |
1396 | MPATH_INFO_METRIC | |
1397 | MPATH_INFO_EXPTIME | | |
1398 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
1399 | MPATH_INFO_DISCOVERY_RETRIES | | |
1400 | MPATH_INFO_FLAGS; | |
1401 | ||
1402 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 1403 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
1404 | pinfo->metric = mpath->metric; |
1405 | if (time_before(jiffies, mpath->exp_time)) | |
1406 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1407 | pinfo->discovery_timeout = | |
1408 | jiffies_to_msecs(mpath->discovery_timeout); | |
1409 | pinfo->discovery_retries = mpath->discovery_retries; | |
1410 | pinfo->flags = 0; | |
1411 | if (mpath->flags & MESH_PATH_ACTIVE) | |
1412 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1413 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1414 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1415 | if (mpath->flags & MESH_PATH_SN_VALID) |
1416 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1417 | if (mpath->flags & MESH_PATH_FIXED) |
1418 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
1419 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1420 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
1421 | ||
1422 | pinfo->flags = mpath->flags; | |
1423 | } | |
1424 | ||
1425 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1426 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1427 | ||
1428 | { | |
14db74bc | 1429 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1430 | struct mesh_path *mpath; |
1431 | ||
14db74bc JB |
1432 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1433 | ||
c5dd9c2b | 1434 | rcu_read_lock(); |
f698d856 | 1435 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1436 | if (!mpath) { |
1437 | rcu_read_unlock(); | |
1438 | return -ENOENT; | |
1439 | } | |
1440 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1441 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1442 | rcu_read_unlock(); | |
1443 | return 0; | |
1444 | } | |
1445 | ||
1446 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1447 | int idx, u8 *dst, u8 *next_hop, | |
1448 | struct mpath_info *pinfo) | |
1449 | { | |
14db74bc | 1450 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1451 | struct mesh_path *mpath; |
1452 | ||
14db74bc JB |
1453 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1454 | ||
c5dd9c2b | 1455 | rcu_read_lock(); |
f698d856 | 1456 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
1457 | if (!mpath) { |
1458 | rcu_read_unlock(); | |
1459 | return -ENOENT; | |
1460 | } | |
1461 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1462 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1463 | rcu_read_unlock(); | |
1464 | return 0; | |
1465 | } | |
93da9cc1 | 1466 | |
24bdd9f4 | 1467 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1468 | struct net_device *dev, |
1469 | struct mesh_config *conf) | |
1470 | { | |
1471 | struct ieee80211_sub_if_data *sdata; | |
1472 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1473 | ||
93da9cc1 | 1474 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1475 | return 0; | |
1476 | } | |
1477 | ||
1478 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1479 | { | |
1480 | return (mask >> (parm-1)) & 0x1; | |
1481 | } | |
1482 | ||
c80d545d JC |
1483 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1484 | const struct mesh_setup *setup) | |
1485 | { | |
1486 | u8 *new_ie; | |
1487 | const u8 *old_ie; | |
4bb62344 CYY |
1488 | struct ieee80211_sub_if_data *sdata = container_of(ifmsh, |
1489 | struct ieee80211_sub_if_data, u.mesh); | |
c80d545d | 1490 | |
581a8b0f | 1491 | /* allocate information elements */ |
c80d545d | 1492 | new_ie = NULL; |
581a8b0f | 1493 | old_ie = ifmsh->ie; |
c80d545d | 1494 | |
581a8b0f JC |
1495 | if (setup->ie_len) { |
1496 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1497 | GFP_KERNEL); |
1498 | if (!new_ie) | |
1499 | return -ENOMEM; | |
1500 | } | |
581a8b0f JC |
1501 | ifmsh->ie_len = setup->ie_len; |
1502 | ifmsh->ie = new_ie; | |
1503 | kfree(old_ie); | |
c80d545d JC |
1504 | |
1505 | /* now copy the rest of the setup parameters */ | |
1506 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1507 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
d299a1f2 | 1508 | ifmsh->mesh_sp_id = setup->sync_method; |
c80d545d JC |
1509 | ifmsh->mesh_pp_id = setup->path_sel_proto; |
1510 | ifmsh->mesh_pm_id = setup->path_metric; | |
b130e5ce JC |
1511 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1512 | if (setup->is_authenticated) | |
1513 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1514 | if (setup->is_secure) | |
1515 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d | 1516 | |
4bb62344 CYY |
1517 | /* mcast rate setting in Mesh Node */ |
1518 | memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate, | |
1519 | sizeof(setup->mcast_rate)); | |
1520 | ||
c80d545d JC |
1521 | return 0; |
1522 | } | |
1523 | ||
24bdd9f4 | 1524 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1525 | struct net_device *dev, u32 mask, |
1526 | const struct mesh_config *nconf) | |
93da9cc1 | 1527 | { |
1528 | struct mesh_config *conf; | |
1529 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1530 | struct ieee80211_if_mesh *ifmsh; |
1531 | ||
93da9cc1 | 1532 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1533 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1534 | |
93da9cc1 | 1535 | /* Set the config options which we are interested in setting */ |
1536 | conf = &(sdata->u.mesh.mshcfg); | |
1537 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1538 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1539 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1540 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1541 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1542 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1543 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1544 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1545 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1546 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1547 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1548 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 | 1549 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
58886a90 | 1550 | conf->element_ttl = nconf->element_ttl; |
93da9cc1 | 1551 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) |
1552 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
d299a1f2 JC |
1553 | if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) |
1554 | conf->dot11MeshNbrOffsetMaxNeighbor = | |
1555 | nconf->dot11MeshNbrOffsetMaxNeighbor; | |
93da9cc1 | 1556 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) |
1557 | conf->dot11MeshHWMPmaxPREQretries = | |
1558 | nconf->dot11MeshHWMPmaxPREQretries; | |
1559 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1560 | conf->path_refresh_time = nconf->path_refresh_time; | |
1561 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1562 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1563 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1564 | conf->dot11MeshHWMPactivePathTimeout = | |
1565 | nconf->dot11MeshHWMPactivePathTimeout; | |
1566 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1567 | conf->dot11MeshHWMPpreqMinInterval = | |
1568 | nconf->dot11MeshHWMPpreqMinInterval; | |
dca7e943 TP |
1569 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask)) |
1570 | conf->dot11MeshHWMPperrMinInterval = | |
1571 | nconf->dot11MeshHWMPperrMinInterval; | |
93da9cc1 | 1572 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
1573 | mask)) | |
1574 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1575 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1576 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1577 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1578 | ieee80211_mesh_root_setup(ifmsh); | |
1579 | } | |
16dd7267 | 1580 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1581 | /* our current gate announcement implementation rides on root |
1582 | * announcements, so require this ifmsh to also be a root node | |
1583 | * */ | |
1584 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
dbb912cd CYY |
1585 | !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { |
1586 | conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; | |
c6133661 TP |
1587 | ieee80211_mesh_root_setup(ifmsh); |
1588 | } | |
16dd7267 JC |
1589 | conf->dot11MeshGateAnnouncementProtocol = |
1590 | nconf->dot11MeshGateAnnouncementProtocol; | |
1591 | } | |
a4f606ea | 1592 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) |
0507e159 JC |
1593 | conf->dot11MeshHWMPRannInterval = |
1594 | nconf->dot11MeshHWMPRannInterval; | |
94f90656 CYY |
1595 | if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) |
1596 | conf->dot11MeshForwarding = nconf->dot11MeshForwarding; | |
55335137 AN |
1597 | if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { |
1598 | /* our RSSI threshold implementation is supported only for | |
1599 | * devices that report signal in dBm. | |
1600 | */ | |
1601 | if (!(sdata->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)) | |
1602 | return -ENOTSUPP; | |
1603 | conf->rssi_threshold = nconf->rssi_threshold; | |
1604 | } | |
70c33eaa AN |
1605 | if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) { |
1606 | conf->ht_opmode = nconf->ht_opmode; | |
1607 | sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; | |
1608 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1609 | } | |
ac1073a6 CYY |
1610 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) |
1611 | conf->dot11MeshHWMPactivePathToRootTimeout = | |
1612 | nconf->dot11MeshHWMPactivePathToRootTimeout; | |
1613 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) | |
1614 | conf->dot11MeshHWMProotInterval = | |
1615 | nconf->dot11MeshHWMProotInterval; | |
728b19e5 CYY |
1616 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) |
1617 | conf->dot11MeshHWMPconfirmationInterval = | |
1618 | nconf->dot11MeshHWMPconfirmationInterval; | |
93da9cc1 | 1619 | return 0; |
1620 | } | |
1621 | ||
29cbe68c JB |
1622 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1623 | const struct mesh_config *conf, | |
1624 | const struct mesh_setup *setup) | |
1625 | { | |
1626 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1627 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1628 | int err; |
29cbe68c | 1629 | |
c80d545d JC |
1630 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1631 | err = copy_mesh_setup(ifmsh, setup); | |
1632 | if (err) | |
1633 | return err; | |
cc1d2806 JB |
1634 | |
1635 | err = ieee80211_set_channel(wiphy, dev, setup->channel, | |
1636 | setup->channel_type); | |
1637 | if (err) | |
1638 | return err; | |
1639 | ||
29cbe68c JB |
1640 | ieee80211_start_mesh(sdata); |
1641 | ||
1642 | return 0; | |
1643 | } | |
1644 | ||
1645 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1646 | { | |
1647 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1648 | ||
1649 | ieee80211_stop_mesh(sdata); | |
1650 | ||
1651 | return 0; | |
1652 | } | |
c5dd9c2b LCC |
1653 | #endif |
1654 | ||
9f1ba906 JM |
1655 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1656 | struct net_device *dev, | |
1657 | struct bss_parameters *params) | |
1658 | { | |
9f1ba906 JM |
1659 | struct ieee80211_sub_if_data *sdata; |
1660 | u32 changed = 0; | |
1661 | ||
9f1ba906 JM |
1662 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1663 | ||
9f1ba906 | 1664 | if (params->use_cts_prot >= 0) { |
bda3933a | 1665 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1666 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1667 | } | |
1668 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1669 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1670 | params->use_short_preamble; |
1671 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1672 | } | |
43d35343 FF |
1673 | |
1674 | if (!sdata->vif.bss_conf.use_short_slot && | |
679ef4ea | 1675 | sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ) { |
43d35343 FF |
1676 | sdata->vif.bss_conf.use_short_slot = true; |
1677 | changed |= BSS_CHANGED_ERP_SLOT; | |
1678 | } | |
1679 | ||
9f1ba906 | 1680 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1681 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1682 | params->use_short_slot_time; |
1683 | changed |= BSS_CHANGED_ERP_SLOT; | |
1684 | } | |
1685 | ||
90c97a04 JM |
1686 | if (params->basic_rates) { |
1687 | int i, j; | |
1688 | u32 rates = 0; | |
1689 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1690 | struct ieee80211_supported_band *sband = | |
1691 | wiphy->bands[local->oper_channel->band]; | |
1692 | ||
1693 | for (i = 0; i < params->basic_rates_len; i++) { | |
1694 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1695 | for (j = 0; j < sband->n_bitrates; j++) { | |
1696 | if (sband->bitrates[j].bitrate == rate) | |
1697 | rates |= BIT(j); | |
1698 | } | |
1699 | } | |
1700 | sdata->vif.bss_conf.basic_rates = rates; | |
1701 | changed |= BSS_CHANGED_BASIC_RATES; | |
1702 | } | |
1703 | ||
7b7b5e56 FF |
1704 | if (params->ap_isolate >= 0) { |
1705 | if (params->ap_isolate) | |
1706 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1707 | else | |
1708 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1709 | } | |
1710 | ||
80d7e403 HS |
1711 | if (params->ht_opmode >= 0) { |
1712 | sdata->vif.bss_conf.ht_operation_mode = | |
1713 | (u16) params->ht_opmode; | |
1714 | changed |= BSS_CHANGED_HT; | |
1715 | } | |
1716 | ||
9f1ba906 JM |
1717 | ieee80211_bss_info_change_notify(sdata, changed); |
1718 | ||
1719 | return 0; | |
1720 | } | |
1721 | ||
31888487 | 1722 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1723 | struct net_device *dev, |
31888487 JM |
1724 | struct ieee80211_txq_params *params) |
1725 | { | |
1726 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
f6f3def3 | 1727 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
31888487 JM |
1728 | struct ieee80211_tx_queue_params p; |
1729 | ||
1730 | if (!local->ops->conf_tx) | |
1731 | return -EOPNOTSUPP; | |
1732 | ||
54bcbc69 JB |
1733 | if (local->hw.queues < IEEE80211_NUM_ACS) |
1734 | return -EOPNOTSUPP; | |
1735 | ||
31888487 JM |
1736 | memset(&p, 0, sizeof(p)); |
1737 | p.aifs = params->aifs; | |
1738 | p.cw_max = params->cwmax; | |
1739 | p.cw_min = params->cwmin; | |
1740 | p.txop = params->txop; | |
ab13315a KV |
1741 | |
1742 | /* | |
1743 | * Setting tx queue params disables u-apsd because it's only | |
1744 | * called in master mode. | |
1745 | */ | |
1746 | p.uapsd = false; | |
1747 | ||
a3304b0a JB |
1748 | sdata->tx_conf[params->ac] = p; |
1749 | if (drv_conf_tx(local, sdata, params->ac, &p)) { | |
0fb9a9ec | 1750 | wiphy_debug(local->hw.wiphy, |
a3304b0a JB |
1751 | "failed to set TX queue parameters for AC %d\n", |
1752 | params->ac); | |
31888487 JM |
1753 | return -EINVAL; |
1754 | } | |
1755 | ||
7d25745d JB |
1756 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); |
1757 | ||
31888487 JM |
1758 | return 0; |
1759 | } | |
1760 | ||
665af4fc | 1761 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1762 | static int ieee80211_suspend(struct wiphy *wiphy, |
1763 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1764 | { |
eecc4800 | 1765 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1766 | } |
1767 | ||
1768 | static int ieee80211_resume(struct wiphy *wiphy) | |
1769 | { | |
1770 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1771 | } | |
1772 | #else | |
1773 | #define ieee80211_suspend NULL | |
1774 | #define ieee80211_resume NULL | |
1775 | #endif | |
1776 | ||
2a519311 | 1777 | static int ieee80211_scan(struct wiphy *wiphy, |
2a519311 JB |
1778 | struct cfg80211_scan_request *req) |
1779 | { | |
fd014284 JB |
1780 | struct ieee80211_sub_if_data *sdata; |
1781 | ||
1782 | sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); | |
2a519311 | 1783 | |
2ca27bcf JB |
1784 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1785 | case NL80211_IFTYPE_STATION: | |
1786 | case NL80211_IFTYPE_ADHOC: | |
1787 | case NL80211_IFTYPE_MESH_POINT: | |
1788 | case NL80211_IFTYPE_P2P_CLIENT: | |
f142c6b9 | 1789 | case NL80211_IFTYPE_P2P_DEVICE: |
2ca27bcf JB |
1790 | break; |
1791 | case NL80211_IFTYPE_P2P_GO: | |
1792 | if (sdata->local->ops->hw_scan) | |
1793 | break; | |
e9d7732e JB |
1794 | /* |
1795 | * FIXME: implement NoA while scanning in software, | |
1796 | * for now fall through to allow scanning only when | |
1797 | * beaconing hasn't been configured yet | |
1798 | */ | |
2ca27bcf JB |
1799 | case NL80211_IFTYPE_AP: |
1800 | if (sdata->u.ap.beacon) | |
1801 | return -EOPNOTSUPP; | |
1802 | break; | |
1803 | default: | |
1804 | return -EOPNOTSUPP; | |
1805 | } | |
2a519311 JB |
1806 | |
1807 | return ieee80211_request_scan(sdata, req); | |
1808 | } | |
1809 | ||
79f460ca LC |
1810 | static int |
1811 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
1812 | struct net_device *dev, | |
1813 | struct cfg80211_sched_scan_request *req) | |
1814 | { | |
1815 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1816 | ||
1817 | if (!sdata->local->ops->sched_scan_start) | |
1818 | return -EOPNOTSUPP; | |
1819 | ||
1820 | return ieee80211_request_sched_scan_start(sdata, req); | |
1821 | } | |
1822 | ||
1823 | static int | |
85a9994a | 1824 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
1825 | { |
1826 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1827 | ||
1828 | if (!sdata->local->ops->sched_scan_stop) | |
1829 | return -EOPNOTSUPP; | |
1830 | ||
85a9994a | 1831 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
1832 | } |
1833 | ||
636a5d36 JM |
1834 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1835 | struct cfg80211_auth_request *req) | |
1836 | { | |
77fdaa12 | 1837 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1838 | } |
1839 | ||
1840 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1841 | struct cfg80211_assoc_request *req) | |
1842 | { | |
f444de05 JB |
1843 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1844 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1845 | ||
1846 | switch (ieee80211_get_channel_mode(local, sdata)) { | |
1847 | case CHAN_MODE_HOPPING: | |
1848 | return -EBUSY; | |
1849 | case CHAN_MODE_FIXED: | |
1850 | if (local->oper_channel == req->bss->channel) | |
1851 | break; | |
1852 | return -EBUSY; | |
1853 | case CHAN_MODE_UNDEFINED: | |
1854 | break; | |
1855 | } | |
1856 | ||
77fdaa12 | 1857 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1858 | } |
1859 | ||
1860 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 1861 | struct cfg80211_deauth_request *req) |
636a5d36 | 1862 | { |
63c9c5e7 | 1863 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1864 | } |
1865 | ||
1866 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
63c9c5e7 | 1867 | struct cfg80211_disassoc_request *req) |
636a5d36 | 1868 | { |
63c9c5e7 | 1869 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1870 | } |
1871 | ||
af8cdcd8 JB |
1872 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1873 | struct cfg80211_ibss_params *params) | |
1874 | { | |
f444de05 | 1875 | struct ieee80211_local *local = wiphy_priv(wiphy); |
af8cdcd8 JB |
1876 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1877 | ||
f444de05 JB |
1878 | switch (ieee80211_get_channel_mode(local, sdata)) { |
1879 | case CHAN_MODE_HOPPING: | |
1880 | return -EBUSY; | |
1881 | case CHAN_MODE_FIXED: | |
1882 | if (!params->channel_fixed) | |
1883 | return -EBUSY; | |
1884 | if (local->oper_channel == params->channel) | |
1885 | break; | |
1886 | return -EBUSY; | |
1887 | case CHAN_MODE_UNDEFINED: | |
1888 | break; | |
1889 | } | |
1890 | ||
af8cdcd8 JB |
1891 | return ieee80211_ibss_join(sdata, params); |
1892 | } | |
1893 | ||
1894 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1895 | { | |
1896 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1897 | ||
1898 | return ieee80211_ibss_leave(sdata); | |
1899 | } | |
1900 | ||
b9a5f8ca JM |
1901 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1902 | { | |
1903 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1904 | int err; |
b9a5f8ca | 1905 | |
f23a4780 AN |
1906 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
1907 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
1908 | ||
1909 | if (err) | |
1910 | return err; | |
1911 | } | |
1912 | ||
310bc676 LT |
1913 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1914 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1915 | ||
1916 | if (err) | |
1917 | return err; | |
1918 | } | |
1919 | ||
b9a5f8ca | 1920 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1921 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1922 | |
24487981 JB |
1923 | if (err) |
1924 | return err; | |
b9a5f8ca JM |
1925 | } |
1926 | ||
1927 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1928 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1929 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1930 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1931 | if (changed & | |
1932 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1933 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1934 | ||
1935 | return 0; | |
1936 | } | |
1937 | ||
7643a2c3 | 1938 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1939 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1940 | { |
1941 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
679ef4ea | 1942 | struct ieee80211_channel *chan = local->oper_channel; |
7643a2c3 | 1943 | u32 changes = 0; |
7643a2c3 JB |
1944 | |
1945 | switch (type) { | |
fa61cf70 | 1946 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1947 | local->user_power_level = -1; |
1948 | break; | |
fa61cf70 JO |
1949 | case NL80211_TX_POWER_LIMITED: |
1950 | if (mbm < 0 || (mbm % 100)) | |
1951 | return -EOPNOTSUPP; | |
1952 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1953 | break; |
fa61cf70 JO |
1954 | case NL80211_TX_POWER_FIXED: |
1955 | if (mbm < 0 || (mbm % 100)) | |
1956 | return -EOPNOTSUPP; | |
7643a2c3 | 1957 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1958 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1959 | return -EINVAL; |
fa61cf70 | 1960 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1961 | break; |
7643a2c3 JB |
1962 | } |
1963 | ||
1964 | ieee80211_hw_config(local, changes); | |
1965 | ||
1966 | return 0; | |
1967 | } | |
1968 | ||
1969 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1970 | { | |
1971 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1972 | ||
1973 | *dbm = local->hw.conf.power_level; | |
1974 | ||
7643a2c3 JB |
1975 | return 0; |
1976 | } | |
1977 | ||
ab737a4f | 1978 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 1979 | const u8 *addr) |
ab737a4f JB |
1980 | { |
1981 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1982 | ||
1983 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1984 | ||
1985 | return 0; | |
1986 | } | |
1987 | ||
1f87f7d3 JB |
1988 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1989 | { | |
1990 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1991 | ||
1992 | drv_rfkill_poll(local); | |
1993 | } | |
1994 | ||
aff89a9b | 1995 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1996 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1997 | { |
1998 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1999 | ||
2000 | if (!local->ops->testmode_cmd) | |
2001 | return -EOPNOTSUPP; | |
2002 | ||
2003 | return local->ops->testmode_cmd(&local->hw, data, len); | |
2004 | } | |
71063f0e WYG |
2005 | |
2006 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
2007 | struct sk_buff *skb, | |
2008 | struct netlink_callback *cb, | |
2009 | void *data, int len) | |
2010 | { | |
2011 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2012 | ||
2013 | if (!local->ops->testmode_dump) | |
2014 | return -EOPNOTSUPP; | |
2015 | ||
2016 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
2017 | } | |
aff89a9b JB |
2018 | #endif |
2019 | ||
0f78231b JB |
2020 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
2021 | enum ieee80211_smps_mode smps_mode) | |
2022 | { | |
2023 | const u8 *ap; | |
2024 | enum ieee80211_smps_mode old_req; | |
2025 | int err; | |
2026 | ||
243e6df4 JB |
2027 | lockdep_assert_held(&sdata->u.mgd.mtx); |
2028 | ||
0f78231b JB |
2029 | old_req = sdata->u.mgd.req_smps; |
2030 | sdata->u.mgd.req_smps = smps_mode; | |
2031 | ||
2032 | if (old_req == smps_mode && | |
2033 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
2034 | return 0; | |
2035 | ||
2036 | /* | |
2037 | * If not associated, or current association is not an HT | |
2038 | * association, there's no need to send an action frame. | |
2039 | */ | |
2040 | if (!sdata->u.mgd.associated || | |
0aaffa9b | 2041 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { |
0f78231b | 2042 | mutex_lock(&sdata->local->iflist_mtx); |
025e6be2 | 2043 | ieee80211_recalc_smps(sdata->local); |
0f78231b JB |
2044 | mutex_unlock(&sdata->local->iflist_mtx); |
2045 | return 0; | |
2046 | } | |
2047 | ||
0c1ad2ca | 2048 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
2049 | |
2050 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
2051 | if (sdata->u.mgd.powersave) | |
2052 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
2053 | else | |
2054 | smps_mode = IEEE80211_SMPS_OFF; | |
2055 | } | |
2056 | ||
2057 | /* send SM PS frame to AP */ | |
2058 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
2059 | ap, ap); | |
2060 | if (err) | |
2061 | sdata->u.mgd.req_smps = old_req; | |
2062 | ||
2063 | return err; | |
2064 | } | |
2065 | ||
bc92afd9 JB |
2066 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
2067 | bool enabled, int timeout) | |
2068 | { | |
2069 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2070 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 2071 | |
e5de30c9 BP |
2072 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
2073 | return -EOPNOTSUPP; | |
2074 | ||
bc92afd9 JB |
2075 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
2076 | return -EOPNOTSUPP; | |
2077 | ||
2078 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 2079 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
2080 | return 0; |
2081 | ||
2082 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 2083 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 2084 | |
0f78231b JB |
2085 | /* no change, but if automatic follow powersave */ |
2086 | mutex_lock(&sdata->u.mgd.mtx); | |
2087 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
2088 | mutex_unlock(&sdata->u.mgd.mtx); | |
2089 | ||
bc92afd9 JB |
2090 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
2091 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
2092 | ||
2093 | ieee80211_recalc_ps(local, -1); | |
ab095877 | 2094 | ieee80211_recalc_ps_vif(sdata); |
bc92afd9 JB |
2095 | |
2096 | return 0; | |
2097 | } | |
2098 | ||
a97c13c3 JO |
2099 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
2100 | struct net_device *dev, | |
2101 | s32 rssi_thold, u32 rssi_hyst) | |
2102 | { | |
2103 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
a97c13c3 JO |
2104 | struct ieee80211_vif *vif = &sdata->vif; |
2105 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
2106 | ||
a97c13c3 JO |
2107 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
2108 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
2109 | return 0; | |
2110 | ||
2111 | bss_conf->cqm_rssi_thold = rssi_thold; | |
2112 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
2113 | ||
2114 | /* tell the driver upon association, unless already associated */ | |
ea086359 JB |
2115 | if (sdata->u.mgd.associated && |
2116 | sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI) | |
a97c13c3 JO |
2117 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); |
2118 | ||
2119 | return 0; | |
2120 | } | |
2121 | ||
9930380f JB |
2122 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
2123 | struct net_device *dev, | |
2124 | const u8 *addr, | |
2125 | const struct cfg80211_bitrate_mask *mask) | |
2126 | { | |
2127 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2128 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 2129 | int i, ret; |
2c7e6bc9 | 2130 | |
554a43d5 EP |
2131 | if (!ieee80211_sdata_running(sdata)) |
2132 | return -ENETDOWN; | |
2133 | ||
bdbfd6b5 SM |
2134 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
2135 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
2136 | if (ret) | |
2137 | return ret; | |
2138 | } | |
9930380f | 2139 | |
19468413 | 2140 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
37eb0b16 | 2141 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; |
19468413 SW |
2142 | memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].mcs, |
2143 | sizeof(mask->control[i].mcs)); | |
2144 | } | |
9930380f | 2145 | |
37eb0b16 | 2146 | return 0; |
9930380f JB |
2147 | } |
2148 | ||
2eb278e0 JB |
2149 | static int ieee80211_start_roc_work(struct ieee80211_local *local, |
2150 | struct ieee80211_sub_if_data *sdata, | |
2151 | struct ieee80211_channel *channel, | |
2152 | enum nl80211_channel_type channel_type, | |
2153 | unsigned int duration, u64 *cookie, | |
2154 | struct sk_buff *txskb) | |
2155 | { | |
2156 | struct ieee80211_roc_work *roc, *tmp; | |
2157 | bool queued = false; | |
21f83589 | 2158 | int ret; |
21f83589 JB |
2159 | |
2160 | lockdep_assert_held(&local->mtx); | |
2161 | ||
2eb278e0 JB |
2162 | roc = kzalloc(sizeof(*roc), GFP_KERNEL); |
2163 | if (!roc) | |
2164 | return -ENOMEM; | |
2165 | ||
2166 | roc->chan = channel; | |
2167 | roc->chan_type = channel_type; | |
2168 | roc->duration = duration; | |
2169 | roc->req_duration = duration; | |
2170 | roc->frame = txskb; | |
2171 | roc->mgmt_tx_cookie = (unsigned long)txskb; | |
2172 | roc->sdata = sdata; | |
2173 | INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); | |
2174 | INIT_LIST_HEAD(&roc->dependents); | |
2175 | ||
2176 | /* if there's one pending or we're scanning, queue this one */ | |
2177 | if (!list_empty(&local->roc_list) || local->scanning) | |
2178 | goto out_check_combine; | |
2179 | ||
2180 | /* if not HW assist, just queue & schedule work */ | |
2181 | if (!local->ops->remain_on_channel) { | |
2182 | ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); | |
2183 | goto out_queue; | |
2184 | } | |
2185 | ||
2186 | /* otherwise actually kick it off here (for error handling) */ | |
2187 | ||
2188 | /* | |
2189 | * If the duration is zero, then the driver | |
2190 | * wouldn't actually do anything. Set it to | |
2191 | * 10 for now. | |
2192 | * | |
2193 | * TODO: cancel the off-channel operation | |
2194 | * when we get the SKB's TX status and | |
2195 | * the wait time was zero before. | |
2196 | */ | |
2197 | if (!duration) | |
2198 | duration = 10; | |
2199 | ||
2200 | ret = drv_remain_on_channel(local, channel, channel_type, duration); | |
21f83589 | 2201 | if (ret) { |
2eb278e0 JB |
2202 | kfree(roc); |
2203 | return ret; | |
21f83589 JB |
2204 | } |
2205 | ||
2eb278e0 JB |
2206 | roc->started = true; |
2207 | goto out_queue; | |
2208 | ||
2209 | out_check_combine: | |
2210 | list_for_each_entry(tmp, &local->roc_list, list) { | |
2211 | if (tmp->chan != channel || tmp->chan_type != channel_type) | |
2212 | continue; | |
2213 | ||
2214 | /* | |
2215 | * Extend this ROC if possible: | |
2216 | * | |
2217 | * If it hasn't started yet, just increase the duration | |
2218 | * and add the new one to the list of dependents. | |
2219 | */ | |
2220 | if (!tmp->started) { | |
2221 | list_add_tail(&roc->list, &tmp->dependents); | |
2222 | tmp->duration = max(tmp->duration, roc->duration); | |
2223 | queued = true; | |
2224 | break; | |
2225 | } | |
2226 | ||
2227 | /* If it has already started, it's more difficult ... */ | |
2228 | if (local->ops->remain_on_channel) { | |
2229 | unsigned long j = jiffies; | |
2230 | ||
2231 | /* | |
2232 | * In the offloaded ROC case, if it hasn't begun, add | |
2233 | * this new one to the dependent list to be handled | |
2234 | * when the the master one begins. If it has begun, | |
2235 | * check that there's still a minimum time left and | |
2236 | * if so, start this one, transmitting the frame, but | |
2237 | * add it to the list directly after this one with a | |
2238 | * a reduced time so we'll ask the driver to execute | |
2239 | * it right after finishing the previous one, in the | |
2240 | * hope that it'll also be executed right afterwards, | |
2241 | * effectively extending the old one. | |
2242 | * If there's no minimum time left, just add it to the | |
2243 | * normal list. | |
2244 | */ | |
2245 | if (!tmp->hw_begun) { | |
2246 | list_add_tail(&roc->list, &tmp->dependents); | |
2247 | queued = true; | |
2248 | break; | |
2249 | } | |
2250 | ||
2251 | if (time_before(j + IEEE80211_ROC_MIN_LEFT, | |
2252 | tmp->hw_start_time + | |
2253 | msecs_to_jiffies(tmp->duration))) { | |
2254 | int new_dur; | |
2255 | ||
2256 | ieee80211_handle_roc_started(roc); | |
2257 | ||
2258 | new_dur = roc->duration - | |
2259 | jiffies_to_msecs(tmp->hw_start_time + | |
2260 | msecs_to_jiffies( | |
2261 | tmp->duration) - | |
2262 | j); | |
2263 | ||
2264 | if (new_dur > 0) { | |
2265 | /* add right after tmp */ | |
2266 | list_add(&roc->list, &tmp->list); | |
2267 | } else { | |
2268 | list_add_tail(&roc->list, | |
2269 | &tmp->dependents); | |
2270 | } | |
2271 | queued = true; | |
2272 | } | |
2273 | } else if (del_timer_sync(&tmp->work.timer)) { | |
2274 | unsigned long new_end; | |
2275 | ||
2276 | /* | |
2277 | * In the software ROC case, cancel the timer, if | |
2278 | * that fails then the finish work is already | |
2279 | * queued/pending and thus we queue the new ROC | |
2280 | * normally, if that succeeds then we can extend | |
2281 | * the timer duration and TX the frame (if any.) | |
2282 | */ | |
2283 | ||
2284 | list_add_tail(&roc->list, &tmp->dependents); | |
2285 | queued = true; | |
2286 | ||
2287 | new_end = jiffies + msecs_to_jiffies(roc->duration); | |
2288 | ||
2289 | /* ok, it was started & we canceled timer */ | |
2290 | if (time_after(new_end, tmp->work.timer.expires)) | |
2291 | mod_timer(&tmp->work.timer, new_end); | |
2292 | else | |
2293 | add_timer(&tmp->work.timer); | |
2294 | ||
2295 | ieee80211_handle_roc_started(roc); | |
2296 | } | |
2297 | break; | |
2298 | } | |
2299 | ||
2300 | out_queue: | |
2301 | if (!queued) | |
2302 | list_add_tail(&roc->list, &local->roc_list); | |
2303 | ||
2304 | /* | |
2305 | * cookie is either the roc (for normal roc) | |
2306 | * or the SKB (for mgmt TX) | |
2307 | */ | |
2308 | if (txskb) | |
2309 | *cookie = (unsigned long)txskb; | |
2310 | else | |
2311 | *cookie = (unsigned long)roc; | |
2312 | ||
2313 | return 0; | |
21f83589 JB |
2314 | } |
2315 | ||
b8bc4b0a | 2316 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2317 | struct wireless_dev *wdev, |
b8bc4b0a JB |
2318 | struct ieee80211_channel *chan, |
2319 | enum nl80211_channel_type channel_type, | |
2320 | unsigned int duration, | |
2321 | u64 *cookie) | |
2322 | { | |
71bbc994 | 2323 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
21f83589 | 2324 | struct ieee80211_local *local = sdata->local; |
2eb278e0 | 2325 | int ret; |
21f83589 | 2326 | |
2eb278e0 JB |
2327 | mutex_lock(&local->mtx); |
2328 | ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, | |
2329 | duration, cookie, NULL); | |
2330 | mutex_unlock(&local->mtx); | |
b8bc4b0a | 2331 | |
2eb278e0 | 2332 | return ret; |
b8bc4b0a JB |
2333 | } |
2334 | ||
2eb278e0 JB |
2335 | static int ieee80211_cancel_roc(struct ieee80211_local *local, |
2336 | u64 cookie, bool mgmt_tx) | |
21f83589 | 2337 | { |
2eb278e0 | 2338 | struct ieee80211_roc_work *roc, *tmp, *found = NULL; |
21f83589 JB |
2339 | int ret; |
2340 | ||
2eb278e0 JB |
2341 | mutex_lock(&local->mtx); |
2342 | list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { | |
e979e33c JB |
2343 | struct ieee80211_roc_work *dep, *tmp2; |
2344 | ||
2345 | list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { | |
2346 | if (!mgmt_tx && (unsigned long)dep != cookie) | |
2347 | continue; | |
2348 | else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) | |
2349 | continue; | |
2350 | /* found dependent item -- just remove it */ | |
2351 | list_del(&dep->list); | |
2352 | mutex_unlock(&local->mtx); | |
2353 | ||
2354 | ieee80211_roc_notify_destroy(dep); | |
2355 | return 0; | |
2356 | } | |
2357 | ||
2eb278e0 JB |
2358 | if (!mgmt_tx && (unsigned long)roc != cookie) |
2359 | continue; | |
2360 | else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) | |
2361 | continue; | |
21f83589 | 2362 | |
2eb278e0 JB |
2363 | found = roc; |
2364 | break; | |
2365 | } | |
21f83589 | 2366 | |
2eb278e0 JB |
2367 | if (!found) { |
2368 | mutex_unlock(&local->mtx); | |
2369 | return -ENOENT; | |
2370 | } | |
21f83589 | 2371 | |
e979e33c JB |
2372 | /* |
2373 | * We found the item to cancel, so do that. Note that it | |
2374 | * may have dependents, which we also cancel (and send | |
2375 | * the expired signal for.) Not doing so would be quite | |
2376 | * tricky here, but we may need to fix it later. | |
2377 | */ | |
2378 | ||
2eb278e0 JB |
2379 | if (local->ops->remain_on_channel) { |
2380 | if (found->started) { | |
2381 | ret = drv_cancel_remain_on_channel(local); | |
2382 | if (WARN_ON_ONCE(ret)) { | |
2383 | mutex_unlock(&local->mtx); | |
2384 | return ret; | |
2385 | } | |
2386 | } | |
21f83589 | 2387 | |
2eb278e0 | 2388 | list_del(&found->list); |
21f83589 | 2389 | |
0f6b3f59 JB |
2390 | if (found->started) |
2391 | ieee80211_start_next_roc(local); | |
2eb278e0 | 2392 | mutex_unlock(&local->mtx); |
21f83589 | 2393 | |
2eb278e0 JB |
2394 | ieee80211_roc_notify_destroy(found); |
2395 | } else { | |
2396 | /* work may be pending so use it all the time */ | |
2397 | found->abort = true; | |
2398 | ieee80211_queue_delayed_work(&local->hw, &found->work, 0); | |
21f83589 | 2399 | |
21f83589 JB |
2400 | mutex_unlock(&local->mtx); |
2401 | ||
2eb278e0 JB |
2402 | /* work will clean up etc */ |
2403 | flush_delayed_work(&found->work); | |
21f83589 | 2404 | } |
b8bc4b0a | 2405 | |
2eb278e0 | 2406 | return 0; |
b8bc4b0a JB |
2407 | } |
2408 | ||
2eb278e0 | 2409 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
71bbc994 | 2410 | struct wireless_dev *wdev, |
2eb278e0 | 2411 | u64 cookie) |
f30221e4 | 2412 | { |
71bbc994 | 2413 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
2eb278e0 | 2414 | struct ieee80211_local *local = sdata->local; |
f30221e4 | 2415 | |
2eb278e0 | 2416 | return ieee80211_cancel_roc(local, cookie, false); |
f30221e4 JB |
2417 | } |
2418 | ||
71bbc994 | 2419 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, |
f7ca38df | 2420 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 2421 | enum nl80211_channel_type channel_type, |
f7ca38df | 2422 | bool channel_type_valid, unsigned int wait, |
e9f935e3 | 2423 | const u8 *buf, size_t len, bool no_cck, |
e247bd90 | 2424 | bool dont_wait_for_ack, u64 *cookie) |
026331c4 | 2425 | { |
71bbc994 | 2426 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
9d38d85d JB |
2427 | struct ieee80211_local *local = sdata->local; |
2428 | struct sk_buff *skb; | |
2429 | struct sta_info *sta; | |
2430 | const struct ieee80211_mgmt *mgmt = (void *)buf; | |
2eb278e0 | 2431 | bool need_offchan = false; |
e247bd90 | 2432 | u32 flags; |
2eb278e0 | 2433 | int ret; |
f7ca38df | 2434 | |
e247bd90 JB |
2435 | if (dont_wait_for_ack) |
2436 | flags = IEEE80211_TX_CTL_NO_ACK; | |
2437 | else | |
2438 | flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
2439 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
2440 | ||
aad14ceb RM |
2441 | if (no_cck) |
2442 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; | |
2443 | ||
9d38d85d JB |
2444 | switch (sdata->vif.type) { |
2445 | case NL80211_IFTYPE_ADHOC: | |
2eb278e0 JB |
2446 | if (!sdata->vif.bss_conf.ibss_joined) |
2447 | need_offchan = true; | |
2448 | /* fall through */ | |
2449 | #ifdef CONFIG_MAC80211_MESH | |
2450 | case NL80211_IFTYPE_MESH_POINT: | |
2451 | if (ieee80211_vif_is_mesh(&sdata->vif) && | |
2452 | !sdata->u.mesh.mesh_id_len) | |
2453 | need_offchan = true; | |
2454 | /* fall through */ | |
2455 | #endif | |
663fcafd JB |
2456 | case NL80211_IFTYPE_AP: |
2457 | case NL80211_IFTYPE_AP_VLAN: | |
2458 | case NL80211_IFTYPE_P2P_GO: | |
2eb278e0 JB |
2459 | if (sdata->vif.type != NL80211_IFTYPE_ADHOC && |
2460 | !ieee80211_vif_is_mesh(&sdata->vif) && | |
2461 | !rcu_access_pointer(sdata->bss->beacon)) | |
2462 | need_offchan = true; | |
663fcafd JB |
2463 | if (!ieee80211_is_action(mgmt->frame_control) || |
2464 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
2465 | break; |
2466 | rcu_read_lock(); | |
2467 | sta = sta_info_get(sdata, mgmt->da); | |
2468 | rcu_read_unlock(); | |
2469 | if (!sta) | |
2470 | return -ENOLINK; | |
2471 | break; | |
2472 | case NL80211_IFTYPE_STATION: | |
663fcafd | 2473 | case NL80211_IFTYPE_P2P_CLIENT: |
2eb278e0 JB |
2474 | if (!sdata->u.mgd.associated) |
2475 | need_offchan = true; | |
9d38d85d | 2476 | break; |
f142c6b9 JB |
2477 | case NL80211_IFTYPE_P2P_DEVICE: |
2478 | need_offchan = true; | |
2479 | break; | |
9d38d85d JB |
2480 | default: |
2481 | return -EOPNOTSUPP; | |
2482 | } | |
2483 | ||
2eb278e0 JB |
2484 | mutex_lock(&local->mtx); |
2485 | ||
2486 | /* Check if the operating channel is the requested channel */ | |
2487 | if (!need_offchan) { | |
2488 | need_offchan = chan != local->oper_channel; | |
2489 | if (channel_type_valid && | |
2490 | channel_type != local->_oper_channel_type) | |
2491 | need_offchan = true; | |
2492 | } | |
2493 | ||
2494 | if (need_offchan && !offchan) { | |
2495 | ret = -EBUSY; | |
2496 | goto out_unlock; | |
2497 | } | |
2498 | ||
9d38d85d | 2499 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); |
2eb278e0 JB |
2500 | if (!skb) { |
2501 | ret = -ENOMEM; | |
2502 | goto out_unlock; | |
2503 | } | |
9d38d85d JB |
2504 | skb_reserve(skb, local->hw.extra_tx_headroom); |
2505 | ||
2506 | memcpy(skb_put(skb, len), buf, len); | |
2507 | ||
2508 | IEEE80211_SKB_CB(skb)->flags = flags; | |
2509 | ||
2510 | skb->dev = sdata->dev; | |
9d38d85d | 2511 | |
2eb278e0 | 2512 | if (!need_offchan) { |
7f9f78ab | 2513 | *cookie = (unsigned long) skb; |
f30221e4 | 2514 | ieee80211_tx_skb(sdata, skb); |
2eb278e0 JB |
2515 | ret = 0; |
2516 | goto out_unlock; | |
f30221e4 JB |
2517 | } |
2518 | ||
2eb278e0 JB |
2519 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; |
2520 | if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) | |
2521 | IEEE80211_SKB_CB(skb)->hw_queue = | |
2522 | local->hw.offchannel_tx_hw_queue; | |
f30221e4 | 2523 | |
2eb278e0 JB |
2524 | /* This will handle all kinds of coalescing and immediate TX */ |
2525 | ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, | |
2526 | wait, cookie, skb); | |
2527 | if (ret) | |
2528 | kfree_skb(skb); | |
2529 | out_unlock: | |
2530 | mutex_unlock(&local->mtx); | |
2531 | return ret; | |
026331c4 JM |
2532 | } |
2533 | ||
f30221e4 | 2534 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
71bbc994 | 2535 | struct wireless_dev *wdev, |
f30221e4 JB |
2536 | u64 cookie) |
2537 | { | |
71bbc994 | 2538 | struct ieee80211_local *local = wiphy_priv(wiphy); |
f30221e4 | 2539 | |
2eb278e0 | 2540 | return ieee80211_cancel_roc(local, cookie, true); |
f30221e4 JB |
2541 | } |
2542 | ||
7be5086d | 2543 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
71bbc994 | 2544 | struct wireless_dev *wdev, |
7be5086d JB |
2545 | u16 frame_type, bool reg) |
2546 | { | |
2547 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
71bbc994 | 2548 | struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); |
7be5086d | 2549 | |
6abe0563 WH |
2550 | switch (frame_type) { |
2551 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH: | |
2552 | if (sdata->vif.type == NL80211_IFTYPE_ADHOC) { | |
2553 | struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; | |
7be5086d | 2554 | |
6abe0563 WH |
2555 | if (reg) |
2556 | ifibss->auth_frame_registrations++; | |
2557 | else | |
2558 | ifibss->auth_frame_registrations--; | |
2559 | } | |
2560 | break; | |
2561 | case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: | |
2562 | if (reg) | |
2563 | local->probe_req_reg++; | |
2564 | else | |
2565 | local->probe_req_reg--; | |
7be5086d | 2566 | |
6abe0563 WH |
2567 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); |
2568 | break; | |
2569 | default: | |
2570 | break; | |
2571 | } | |
7be5086d JB |
2572 | } |
2573 | ||
15d96753 BR |
2574 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
2575 | { | |
2576 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2577 | ||
2578 | if (local->started) | |
2579 | return -EOPNOTSUPP; | |
2580 | ||
2581 | return drv_set_antenna(local, tx_ant, rx_ant); | |
2582 | } | |
2583 | ||
2584 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
2585 | { | |
2586 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2587 | ||
2588 | return drv_get_antenna(local, tx_ant, rx_ant); | |
2589 | } | |
2590 | ||
38c09159 JL |
2591 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
2592 | { | |
2593 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2594 | ||
2595 | return drv_set_ringparam(local, tx, rx); | |
2596 | } | |
2597 | ||
2598 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
2599 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
2600 | { | |
2601 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2602 | ||
2603 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
2604 | } | |
2605 | ||
c68f4b89 JB |
2606 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
2607 | struct net_device *dev, | |
2608 | struct cfg80211_gtk_rekey_data *data) | |
2609 | { | |
2610 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2611 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2612 | ||
2613 | if (!local->ops->set_rekey_data) | |
2614 | return -EOPNOTSUPP; | |
2615 | ||
2616 | drv_set_rekey_data(local, sdata, data); | |
2617 | ||
2618 | return 0; | |
2619 | } | |
2620 | ||
dfe018bf AN |
2621 | static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb) |
2622 | { | |
2623 | u8 *pos = (void *)skb_put(skb, 7); | |
2624 | ||
2625 | *pos++ = WLAN_EID_EXT_CAPABILITY; | |
2626 | *pos++ = 5; /* len */ | |
2627 | *pos++ = 0x0; | |
2628 | *pos++ = 0x0; | |
2629 | *pos++ = 0x0; | |
2630 | *pos++ = 0x0; | |
2631 | *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED; | |
2632 | } | |
2633 | ||
2634 | static u16 ieee80211_get_tdls_sta_capab(struct ieee80211_sub_if_data *sdata) | |
2635 | { | |
2636 | struct ieee80211_local *local = sdata->local; | |
2637 | u16 capab; | |
2638 | ||
2639 | capab = 0; | |
2640 | if (local->oper_channel->band != IEEE80211_BAND_2GHZ) | |
2641 | return capab; | |
2642 | ||
2643 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE)) | |
2644 | capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME; | |
2645 | if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE)) | |
2646 | capab |= WLAN_CAPABILITY_SHORT_PREAMBLE; | |
2647 | ||
2648 | return capab; | |
2649 | } | |
2650 | ||
2651 | static void ieee80211_tdls_add_link_ie(struct sk_buff *skb, u8 *src_addr, | |
2652 | u8 *peer, u8 *bssid) | |
2653 | { | |
2654 | struct ieee80211_tdls_lnkie *lnkid; | |
2655 | ||
2656 | lnkid = (void *)skb_put(skb, sizeof(struct ieee80211_tdls_lnkie)); | |
2657 | ||
2658 | lnkid->ie_type = WLAN_EID_LINK_ID; | |
2659 | lnkid->ie_len = sizeof(struct ieee80211_tdls_lnkie) - 2; | |
2660 | ||
2661 | memcpy(lnkid->bssid, bssid, ETH_ALEN); | |
2662 | memcpy(lnkid->init_sta, src_addr, ETH_ALEN); | |
2663 | memcpy(lnkid->resp_sta, peer, ETH_ALEN); | |
2664 | } | |
2665 | ||
2666 | static int | |
2667 | ieee80211_prep_tdls_encap_data(struct wiphy *wiphy, struct net_device *dev, | |
2668 | u8 *peer, u8 action_code, u8 dialog_token, | |
2669 | u16 status_code, struct sk_buff *skb) | |
2670 | { | |
2671 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
6b77863b | 2672 | struct ieee80211_local *local = sdata->local; |
dfe018bf AN |
2673 | struct ieee80211_tdls_data *tf; |
2674 | ||
2675 | tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u)); | |
2676 | ||
2677 | memcpy(tf->da, peer, ETH_ALEN); | |
2678 | memcpy(tf->sa, sdata->vif.addr, ETH_ALEN); | |
2679 | tf->ether_type = cpu_to_be16(ETH_P_TDLS); | |
2680 | tf->payload_type = WLAN_TDLS_SNAP_RFTYPE; | |
2681 | ||
2682 | switch (action_code) { | |
2683 | case WLAN_TDLS_SETUP_REQUEST: | |
2684 | tf->category = WLAN_CATEGORY_TDLS; | |
2685 | tf->action_code = WLAN_TDLS_SETUP_REQUEST; | |
2686 | ||
2687 | skb_put(skb, sizeof(tf->u.setup_req)); | |
2688 | tf->u.setup_req.dialog_token = dialog_token; | |
2689 | tf->u.setup_req.capability = | |
2690 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2691 | ||
6b77863b JB |
2692 | ieee80211_add_srates_ie(sdata, skb, false, |
2693 | local->oper_channel->band); | |
2694 | ieee80211_add_ext_srates_ie(sdata, skb, false, | |
2695 | local->oper_channel->band); | |
dfe018bf AN |
2696 | ieee80211_tdls_add_ext_capab(skb); |
2697 | break; | |
2698 | case WLAN_TDLS_SETUP_RESPONSE: | |
2699 | tf->category = WLAN_CATEGORY_TDLS; | |
2700 | tf->action_code = WLAN_TDLS_SETUP_RESPONSE; | |
2701 | ||
2702 | skb_put(skb, sizeof(tf->u.setup_resp)); | |
2703 | tf->u.setup_resp.status_code = cpu_to_le16(status_code); | |
2704 | tf->u.setup_resp.dialog_token = dialog_token; | |
2705 | tf->u.setup_resp.capability = | |
2706 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2707 | ||
6b77863b JB |
2708 | ieee80211_add_srates_ie(sdata, skb, false, |
2709 | local->oper_channel->band); | |
2710 | ieee80211_add_ext_srates_ie(sdata, skb, false, | |
2711 | local->oper_channel->band); | |
dfe018bf AN |
2712 | ieee80211_tdls_add_ext_capab(skb); |
2713 | break; | |
2714 | case WLAN_TDLS_SETUP_CONFIRM: | |
2715 | tf->category = WLAN_CATEGORY_TDLS; | |
2716 | tf->action_code = WLAN_TDLS_SETUP_CONFIRM; | |
2717 | ||
2718 | skb_put(skb, sizeof(tf->u.setup_cfm)); | |
2719 | tf->u.setup_cfm.status_code = cpu_to_le16(status_code); | |
2720 | tf->u.setup_cfm.dialog_token = dialog_token; | |
2721 | break; | |
2722 | case WLAN_TDLS_TEARDOWN: | |
2723 | tf->category = WLAN_CATEGORY_TDLS; | |
2724 | tf->action_code = WLAN_TDLS_TEARDOWN; | |
2725 | ||
2726 | skb_put(skb, sizeof(tf->u.teardown)); | |
2727 | tf->u.teardown.reason_code = cpu_to_le16(status_code); | |
2728 | break; | |
2729 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2730 | tf->category = WLAN_CATEGORY_TDLS; | |
2731 | tf->action_code = WLAN_TDLS_DISCOVERY_REQUEST; | |
2732 | ||
2733 | skb_put(skb, sizeof(tf->u.discover_req)); | |
2734 | tf->u.discover_req.dialog_token = dialog_token; | |
2735 | break; | |
2736 | default: | |
2737 | return -EINVAL; | |
2738 | } | |
2739 | ||
2740 | return 0; | |
2741 | } | |
2742 | ||
2743 | static int | |
2744 | ieee80211_prep_tdls_direct(struct wiphy *wiphy, struct net_device *dev, | |
2745 | u8 *peer, u8 action_code, u8 dialog_token, | |
2746 | u16 status_code, struct sk_buff *skb) | |
2747 | { | |
2748 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
6b77863b | 2749 | struct ieee80211_local *local = sdata->local; |
dfe018bf AN |
2750 | struct ieee80211_mgmt *mgmt; |
2751 | ||
2752 | mgmt = (void *)skb_put(skb, 24); | |
2753 | memset(mgmt, 0, 24); | |
2754 | memcpy(mgmt->da, peer, ETH_ALEN); | |
2755 | memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN); | |
2756 | memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN); | |
2757 | ||
2758 | mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | | |
2759 | IEEE80211_STYPE_ACTION); | |
2760 | ||
2761 | switch (action_code) { | |
2762 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2763 | skb_put(skb, 1 + sizeof(mgmt->u.action.u.tdls_discover_resp)); | |
2764 | mgmt->u.action.category = WLAN_CATEGORY_PUBLIC; | |
2765 | mgmt->u.action.u.tdls_discover_resp.action_code = | |
2766 | WLAN_PUB_ACTION_TDLS_DISCOVER_RES; | |
2767 | mgmt->u.action.u.tdls_discover_resp.dialog_token = | |
2768 | dialog_token; | |
2769 | mgmt->u.action.u.tdls_discover_resp.capability = | |
2770 | cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata)); | |
2771 | ||
6b77863b JB |
2772 | ieee80211_add_srates_ie(sdata, skb, false, |
2773 | local->oper_channel->band); | |
2774 | ieee80211_add_ext_srates_ie(sdata, skb, false, | |
2775 | local->oper_channel->band); | |
dfe018bf AN |
2776 | ieee80211_tdls_add_ext_capab(skb); |
2777 | break; | |
2778 | default: | |
2779 | return -EINVAL; | |
2780 | } | |
2781 | ||
2782 | return 0; | |
2783 | } | |
2784 | ||
2785 | static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, | |
2786 | u8 *peer, u8 action_code, u8 dialog_token, | |
2787 | u16 status_code, const u8 *extra_ies, | |
2788 | size_t extra_ies_len) | |
2789 | { | |
2790 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2791 | struct ieee80211_local *local = sdata->local; | |
2792 | struct ieee80211_tx_info *info; | |
2793 | struct sk_buff *skb = NULL; | |
2794 | bool send_direct; | |
2795 | int ret; | |
2796 | ||
2797 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2798 | return -ENOTSUPP; | |
2799 | ||
2800 | /* make sure we are in managed mode, and associated */ | |
2801 | if (sdata->vif.type != NL80211_IFTYPE_STATION || | |
2802 | !sdata->u.mgd.associated) | |
2803 | return -EINVAL; | |
2804 | ||
bdcbd8e0 JB |
2805 | tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n", |
2806 | action_code, peer); | |
dfe018bf AN |
2807 | |
2808 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + | |
2809 | max(sizeof(struct ieee80211_mgmt), | |
2810 | sizeof(struct ieee80211_tdls_data)) + | |
2811 | 50 + /* supported rates */ | |
2812 | 7 + /* ext capab */ | |
2813 | extra_ies_len + | |
2814 | sizeof(struct ieee80211_tdls_lnkie)); | |
2815 | if (!skb) | |
2816 | return -ENOMEM; | |
2817 | ||
2818 | info = IEEE80211_SKB_CB(skb); | |
2819 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
2820 | ||
2821 | switch (action_code) { | |
2822 | case WLAN_TDLS_SETUP_REQUEST: | |
2823 | case WLAN_TDLS_SETUP_RESPONSE: | |
2824 | case WLAN_TDLS_SETUP_CONFIRM: | |
2825 | case WLAN_TDLS_TEARDOWN: | |
2826 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2827 | ret = ieee80211_prep_tdls_encap_data(wiphy, dev, peer, | |
2828 | action_code, dialog_token, | |
2829 | status_code, skb); | |
2830 | send_direct = false; | |
2831 | break; | |
2832 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2833 | ret = ieee80211_prep_tdls_direct(wiphy, dev, peer, action_code, | |
2834 | dialog_token, status_code, | |
2835 | skb); | |
2836 | send_direct = true; | |
2837 | break; | |
2838 | default: | |
2839 | ret = -ENOTSUPP; | |
2840 | break; | |
2841 | } | |
2842 | ||
2843 | if (ret < 0) | |
2844 | goto fail; | |
2845 | ||
2846 | if (extra_ies_len) | |
2847 | memcpy(skb_put(skb, extra_ies_len), extra_ies, extra_ies_len); | |
2848 | ||
2849 | /* the TDLS link IE is always added last */ | |
2850 | switch (action_code) { | |
2851 | case WLAN_TDLS_SETUP_REQUEST: | |
2852 | case WLAN_TDLS_SETUP_CONFIRM: | |
2853 | case WLAN_TDLS_TEARDOWN: | |
2854 | case WLAN_TDLS_DISCOVERY_REQUEST: | |
2855 | /* we are the initiator */ | |
2856 | ieee80211_tdls_add_link_ie(skb, sdata->vif.addr, peer, | |
2857 | sdata->u.mgd.bssid); | |
2858 | break; | |
2859 | case WLAN_TDLS_SETUP_RESPONSE: | |
2860 | case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: | |
2861 | /* we are the responder */ | |
2862 | ieee80211_tdls_add_link_ie(skb, peer, sdata->vif.addr, | |
2863 | sdata->u.mgd.bssid); | |
2864 | break; | |
2865 | default: | |
2866 | ret = -ENOTSUPP; | |
2867 | goto fail; | |
2868 | } | |
2869 | ||
2870 | if (send_direct) { | |
2871 | ieee80211_tx_skb(sdata, skb); | |
2872 | return 0; | |
2873 | } | |
2874 | ||
2875 | /* | |
2876 | * According to 802.11z: Setup req/resp are sent in AC_BK, otherwise | |
2877 | * we should default to AC_VI. | |
2878 | */ | |
2879 | switch (action_code) { | |
2880 | case WLAN_TDLS_SETUP_REQUEST: | |
2881 | case WLAN_TDLS_SETUP_RESPONSE: | |
2882 | skb_set_queue_mapping(skb, IEEE80211_AC_BK); | |
2883 | skb->priority = 2; | |
2884 | break; | |
2885 | default: | |
2886 | skb_set_queue_mapping(skb, IEEE80211_AC_VI); | |
2887 | skb->priority = 5; | |
2888 | break; | |
2889 | } | |
2890 | ||
2891 | /* disable bottom halves when entering the Tx path */ | |
2892 | local_bh_disable(); | |
2893 | ret = ieee80211_subif_start_xmit(skb, dev); | |
2894 | local_bh_enable(); | |
2895 | ||
2896 | return ret; | |
2897 | ||
2898 | fail: | |
2899 | dev_kfree_skb(skb); | |
2900 | return ret; | |
2901 | } | |
2902 | ||
2903 | static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, | |
2904 | u8 *peer, enum nl80211_tdls_operation oper) | |
2905 | { | |
941c93cd | 2906 | struct sta_info *sta; |
dfe018bf AN |
2907 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2908 | ||
2909 | if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
2910 | return -ENOTSUPP; | |
2911 | ||
2912 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
2913 | return -EINVAL; | |
2914 | ||
bdcbd8e0 | 2915 | tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer); |
dfe018bf AN |
2916 | |
2917 | switch (oper) { | |
2918 | case NL80211_TDLS_ENABLE_LINK: | |
941c93cd AN |
2919 | rcu_read_lock(); |
2920 | sta = sta_info_get(sdata, peer); | |
2921 | if (!sta) { | |
2922 | rcu_read_unlock(); | |
2923 | return -ENOLINK; | |
2924 | } | |
2925 | ||
c2c98fde | 2926 | set_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH); |
941c93cd | 2927 | rcu_read_unlock(); |
dfe018bf AN |
2928 | break; |
2929 | case NL80211_TDLS_DISABLE_LINK: | |
2930 | return sta_info_destroy_addr(sdata, peer); | |
2931 | case NL80211_TDLS_TEARDOWN: | |
2932 | case NL80211_TDLS_SETUP: | |
2933 | case NL80211_TDLS_DISCOVERY_REQ: | |
2934 | /* We don't support in-driver setup/teardown/discovery */ | |
2935 | return -ENOTSUPP; | |
2936 | default: | |
2937 | return -ENOTSUPP; | |
2938 | } | |
2939 | ||
2940 | return 0; | |
2941 | } | |
2942 | ||
06500736 JB |
2943 | static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, |
2944 | const u8 *peer, u64 *cookie) | |
2945 | { | |
2946 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2947 | struct ieee80211_local *local = sdata->local; | |
2948 | struct ieee80211_qos_hdr *nullfunc; | |
2949 | struct sk_buff *skb; | |
2950 | int size = sizeof(*nullfunc); | |
2951 | __le16 fc; | |
2952 | bool qos; | |
2953 | struct ieee80211_tx_info *info; | |
2954 | struct sta_info *sta; | |
2955 | ||
2956 | rcu_read_lock(); | |
2957 | sta = sta_info_get(sdata, peer); | |
b4487c2d | 2958 | if (sta) { |
06500736 | 2959 | qos = test_sta_flag(sta, WLAN_STA_WME); |
b4487c2d JB |
2960 | rcu_read_unlock(); |
2961 | } else { | |
2962 | rcu_read_unlock(); | |
06500736 | 2963 | return -ENOLINK; |
b4487c2d | 2964 | } |
06500736 JB |
2965 | |
2966 | if (qos) { | |
2967 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
2968 | IEEE80211_STYPE_QOS_NULLFUNC | | |
2969 | IEEE80211_FCTL_FROMDS); | |
2970 | } else { | |
2971 | size -= 2; | |
2972 | fc = cpu_to_le16(IEEE80211_FTYPE_DATA | | |
2973 | IEEE80211_STYPE_NULLFUNC | | |
2974 | IEEE80211_FCTL_FROMDS); | |
2975 | } | |
2976 | ||
2977 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + size); | |
2978 | if (!skb) | |
2979 | return -ENOMEM; | |
2980 | ||
2981 | skb->dev = dev; | |
2982 | ||
2983 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
2984 | ||
2985 | nullfunc = (void *) skb_put(skb, size); | |
2986 | nullfunc->frame_control = fc; | |
2987 | nullfunc->duration_id = 0; | |
2988 | memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN); | |
2989 | memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN); | |
2990 | memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN); | |
2991 | nullfunc->seq_ctrl = 0; | |
2992 | ||
2993 | info = IEEE80211_SKB_CB(skb); | |
2994 | ||
2995 | info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | | |
2996 | IEEE80211_TX_INTFL_NL80211_FRAME_TX; | |
2997 | ||
2998 | skb_set_queue_mapping(skb, IEEE80211_AC_VO); | |
2999 | skb->priority = 7; | |
3000 | if (qos) | |
3001 | nullfunc->qos_ctrl = cpu_to_le16(7); | |
3002 | ||
3003 | local_bh_disable(); | |
3004 | ieee80211_xmit(sdata, skb); | |
3005 | local_bh_enable(); | |
3006 | ||
3007 | *cookie = (unsigned long) skb; | |
3008 | return 0; | |
3009 | } | |
3010 | ||
5b7ccaf3 JB |
3011 | static struct ieee80211_channel * |
3012 | ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, | |
3013 | enum nl80211_channel_type *type) | |
3014 | { | |
3015 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
3016 | ||
3017 | *type = local->_oper_channel_type; | |
3018 | return local->oper_channel; | |
3019 | } | |
3020 | ||
6d52563f JB |
3021 | #ifdef CONFIG_PM |
3022 | static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) | |
3023 | { | |
3024 | drv_set_wakeup(wiphy_priv(wiphy), enabled); | |
3025 | } | |
3026 | #endif | |
3027 | ||
f0706e82 JB |
3028 | struct cfg80211_ops mac80211_config_ops = { |
3029 | .add_virtual_intf = ieee80211_add_iface, | |
3030 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 3031 | .change_virtual_intf = ieee80211_change_iface, |
f142c6b9 JB |
3032 | .start_p2p_device = ieee80211_start_p2p_device, |
3033 | .stop_p2p_device = ieee80211_stop_p2p_device, | |
e8cbb4cb JB |
3034 | .add_key = ieee80211_add_key, |
3035 | .del_key = ieee80211_del_key, | |
62da92fb | 3036 | .get_key = ieee80211_get_key, |
e8cbb4cb | 3037 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 3038 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
8860020e JB |
3039 | .start_ap = ieee80211_start_ap, |
3040 | .change_beacon = ieee80211_change_beacon, | |
3041 | .stop_ap = ieee80211_stop_ap, | |
4fd6931e JB |
3042 | .add_station = ieee80211_add_station, |
3043 | .del_station = ieee80211_del_station, | |
3044 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 3045 | .get_station = ieee80211_get_station, |
c5dd9c2b | 3046 | .dump_station = ieee80211_dump_station, |
1289723e | 3047 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
3048 | #ifdef CONFIG_MAC80211_MESH |
3049 | .add_mpath = ieee80211_add_mpath, | |
3050 | .del_mpath = ieee80211_del_mpath, | |
3051 | .change_mpath = ieee80211_change_mpath, | |
3052 | .get_mpath = ieee80211_get_mpath, | |
3053 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
3054 | .update_mesh_config = ieee80211_update_mesh_config, |
3055 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
3056 | .join_mesh = ieee80211_join_mesh, |
3057 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 3058 | #endif |
9f1ba906 | 3059 | .change_bss = ieee80211_change_bss, |
31888487 | 3060 | .set_txq_params = ieee80211_set_txq_params, |
e8c9bd5b | 3061 | .set_monitor_channel = ieee80211_set_monitor_channel, |
665af4fc BC |
3062 | .suspend = ieee80211_suspend, |
3063 | .resume = ieee80211_resume, | |
2a519311 | 3064 | .scan = ieee80211_scan, |
79f460ca LC |
3065 | .sched_scan_start = ieee80211_sched_scan_start, |
3066 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
3067 | .auth = ieee80211_auth, |
3068 | .assoc = ieee80211_assoc, | |
3069 | .deauth = ieee80211_deauth, | |
3070 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
3071 | .join_ibss = ieee80211_join_ibss, |
3072 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 3073 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
3074 | .set_tx_power = ieee80211_set_tx_power, |
3075 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 3076 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 3077 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 3078 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 3079 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 3080 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 3081 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
3082 | .remain_on_channel = ieee80211_remain_on_channel, |
3083 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 3084 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 3085 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 3086 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 3087 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
3088 | .set_antenna = ieee80211_set_antenna, |
3089 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
3090 | .set_ringparam = ieee80211_set_ringparam, |
3091 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 3092 | .set_rekey_data = ieee80211_set_rekey_data, |
dfe018bf AN |
3093 | .tdls_oper = ieee80211_tdls_oper, |
3094 | .tdls_mgmt = ieee80211_tdls_mgmt, | |
06500736 | 3095 | .probe_client = ieee80211_probe_client, |
b53be792 | 3096 | .set_noack_map = ieee80211_set_noack_map, |
6d52563f JB |
3097 | #ifdef CONFIG_PM |
3098 | .set_wakeup = ieee80211_set_wakeup, | |
3099 | #endif | |
b1ab7925 BG |
3100 | .get_et_sset_count = ieee80211_get_et_sset_count, |
3101 | .get_et_stats = ieee80211_get_et_stats, | |
3102 | .get_et_strings = ieee80211_get_et_strings, | |
5b7ccaf3 | 3103 | .get_channel = ieee80211_cfg_get_channel, |
f0706e82 | 3104 | }; |