Commit | Line | Data |
---|---|---|
f0706e82 JB |
1 | /* |
2 | * mac80211 configuration hooks for cfg80211 | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
f0706e82 JB |
5 | * |
6 | * This file is GPLv2 as found in COPYING. | |
7 | */ | |
8 | ||
e8cbb4cb | 9 | #include <linux/ieee80211.h> |
f0706e82 JB |
10 | #include <linux/nl80211.h> |
11 | #include <linux/rtnetlink.h> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
881d966b | 13 | #include <net/net_namespace.h> |
5dfdaf58 | 14 | #include <linux/rcupdate.h> |
f0706e82 JB |
15 | #include <net/cfg80211.h> |
16 | #include "ieee80211_i.h" | |
24487981 | 17 | #include "driver-ops.h" |
e0eb6859 | 18 | #include "cfg.h" |
2c8dccc7 | 19 | #include "rate.h" |
c5dd9c2b | 20 | #include "mesh.h" |
c5dd9c2b | 21 | |
f9e10ce4 JB |
22 | static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name, |
23 | enum nl80211_iftype type, | |
24 | u32 *flags, | |
25 | struct vif_params *params) | |
f0706e82 JB |
26 | { |
27 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
8cc9a739 MW |
28 | struct net_device *dev; |
29 | struct ieee80211_sub_if_data *sdata; | |
30 | int err; | |
f0706e82 | 31 | |
05c914fe | 32 | err = ieee80211_if_add(local, name, &dev, type, params); |
f9e10ce4 JB |
33 | if (err) |
34 | return ERR_PTR(err); | |
8cc9a739 | 35 | |
f9e10ce4 JB |
36 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
37 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
38 | sdata->u.mntr_flags = *flags; | |
39 | } | |
40 | ||
41 | return dev; | |
f0706e82 JB |
42 | } |
43 | ||
463d0183 | 44 | static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) |
f0706e82 | 45 | { |
463d0183 | 46 | ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev)); |
f0706e82 | 47 | |
75636525 | 48 | return 0; |
f0706e82 JB |
49 | } |
50 | ||
e36d56b6 JB |
51 | static int ieee80211_change_iface(struct wiphy *wiphy, |
52 | struct net_device *dev, | |
2ec600d6 LCC |
53 | enum nl80211_iftype type, u32 *flags, |
54 | struct vif_params *params) | |
42613db7 | 55 | { |
9607e6b6 | 56 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 57 | int ret; |
42613db7 | 58 | |
05c914fe | 59 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
60 | if (ret) |
61 | return ret; | |
42613db7 | 62 | |
9bc383de JB |
63 | if (type == NL80211_IFTYPE_AP_VLAN && |
64 | params && params->use_4addr == 0) | |
65 | rcu_assign_pointer(sdata->u.vlan.sta, NULL); | |
66 | else if (type == NL80211_IFTYPE_STATION && | |
67 | params && params->use_4addr >= 0) | |
68 | sdata->u.mgd.use_4addr = params->use_4addr; | |
69 | ||
85416a4f CL |
70 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
71 | struct ieee80211_local *local = sdata->local; | |
72 | ||
73 | if (ieee80211_sdata_running(sdata)) { | |
74 | /* | |
75 | * Prohibit MONITOR_FLAG_COOK_FRAMES to be | |
76 | * changed while the interface is up. | |
77 | * Else we would need to add a lot of cruft | |
78 | * to update everything: | |
79 | * cooked_mntrs, monitor and all fif_* counters | |
80 | * reconfigure hardware | |
81 | */ | |
82 | if ((*flags & MONITOR_FLAG_COOK_FRAMES) != | |
83 | (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) | |
84 | return -EBUSY; | |
85 | ||
86 | ieee80211_adjust_monitor_flags(sdata, -1); | |
87 | sdata->u.mntr_flags = *flags; | |
88 | ieee80211_adjust_monitor_flags(sdata, 1); | |
89 | ||
90 | ieee80211_configure_filter(local); | |
91 | } else { | |
92 | /* | |
93 | * Because the interface is down, ieee80211_do_stop | |
94 | * and ieee80211_do_open take care of "everything" | |
95 | * mentioned in the comment above. | |
96 | */ | |
97 | sdata->u.mntr_flags = *flags; | |
98 | } | |
99 | } | |
f7917af9 | 100 | |
42613db7 JB |
101 | return 0; |
102 | } | |
103 | ||
e8cbb4cb | 104 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 105 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
106 | struct key_params *params) |
107 | { | |
26a58456 | 108 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
e8cbb4cb | 109 | struct sta_info *sta = NULL; |
db4d1169 | 110 | struct ieee80211_key *key; |
3b96766f | 111 | int err; |
e8cbb4cb | 112 | |
26a58456 | 113 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
114 | return -ENETDOWN; |
115 | ||
97359d12 | 116 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
117 | switch (params->cipher) { |
118 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 119 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 JB |
120 | case WLAN_CIPHER_SUITE_WEP104: |
121 | if (IS_ERR(sdata->local->wep_tx_tfm)) | |
122 | return -EINVAL; | |
3cfcf6ac | 123 | break; |
e8cbb4cb | 124 | default: |
97359d12 | 125 | break; |
e8cbb4cb JB |
126 | } |
127 | ||
97359d12 JB |
128 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
129 | params->key, params->seq_len, params->seq); | |
1ac62ba7 BH |
130 | if (IS_ERR(key)) |
131 | return PTR_ERR(key); | |
db4d1169 | 132 | |
e31b8213 JB |
133 | if (pairwise) |
134 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
135 | ||
ad0e2b5a | 136 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 137 | |
e8cbb4cb | 138 | if (mac_addr) { |
ff973af7 TP |
139 | if (ieee80211_vif_is_mesh(&sdata->vif)) |
140 | sta = sta_info_get(sdata, mac_addr); | |
141 | else | |
142 | sta = sta_info_get_bss(sdata, mac_addr); | |
db4d1169 | 143 | if (!sta) { |
32162a4d | 144 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
145 | err = -ENOENT; |
146 | goto out_unlock; | |
db4d1169 | 147 | } |
e8cbb4cb JB |
148 | } |
149 | ||
3ffc2a90 JB |
150 | err = ieee80211_key_link(key, sdata, sta); |
151 | if (err) | |
152 | ieee80211_key_free(sdata->local, key); | |
db4d1169 | 153 | |
3b96766f | 154 | out_unlock: |
ad0e2b5a | 155 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
156 | |
157 | return err; | |
e8cbb4cb JB |
158 | } |
159 | ||
160 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 161 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb | 162 | { |
5c0c3641 JB |
163 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
164 | struct ieee80211_local *local = sdata->local; | |
e8cbb4cb | 165 | struct sta_info *sta; |
5c0c3641 | 166 | struct ieee80211_key *key = NULL; |
e8cbb4cb JB |
167 | int ret; |
168 | ||
5c0c3641 JB |
169 | mutex_lock(&local->sta_mtx); |
170 | mutex_lock(&local->key_mtx); | |
3b96766f | 171 | |
e8cbb4cb | 172 | if (mac_addr) { |
3b96766f JB |
173 | ret = -ENOENT; |
174 | ||
0e5ded5a | 175 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 176 | if (!sta) |
3b96766f | 177 | goto out_unlock; |
e8cbb4cb | 178 | |
5c0c3641 | 179 | if (pairwise) |
40b275b6 | 180 | key = key_mtx_dereference(local, sta->ptk); |
5c0c3641 | 181 | else |
40b275b6 | 182 | key = key_mtx_dereference(local, sta->gtk[key_idx]); |
5c0c3641 | 183 | } else |
40b275b6 | 184 | key = key_mtx_dereference(local, sdata->keys[key_idx]); |
e8cbb4cb | 185 | |
5c0c3641 | 186 | if (!key) { |
3b96766f JB |
187 | ret = -ENOENT; |
188 | goto out_unlock; | |
189 | } | |
e8cbb4cb | 190 | |
5c0c3641 | 191 | __ieee80211_key_free(key); |
e8cbb4cb | 192 | |
3b96766f JB |
193 | ret = 0; |
194 | out_unlock: | |
5c0c3641 JB |
195 | mutex_unlock(&local->key_mtx); |
196 | mutex_unlock(&local->sta_mtx); | |
3b96766f JB |
197 | |
198 | return ret; | |
e8cbb4cb JB |
199 | } |
200 | ||
62da92fb | 201 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
202 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
203 | void *cookie, | |
62da92fb JB |
204 | void (*callback)(void *cookie, |
205 | struct key_params *params)) | |
206 | { | |
14db74bc | 207 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
208 | struct sta_info *sta = NULL; |
209 | u8 seq[6] = {0}; | |
210 | struct key_params params; | |
e31b8213 | 211 | struct ieee80211_key *key = NULL; |
aba83a0b | 212 | u64 pn64; |
62da92fb JB |
213 | u32 iv32; |
214 | u16 iv16; | |
215 | int err = -ENOENT; | |
216 | ||
14db74bc JB |
217 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
218 | ||
3b96766f JB |
219 | rcu_read_lock(); |
220 | ||
62da92fb | 221 | if (mac_addr) { |
0e5ded5a | 222 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
223 | if (!sta) |
224 | goto out; | |
225 | ||
e31b8213 | 226 | if (pairwise) |
a3836e02 | 227 | key = rcu_dereference(sta->ptk); |
e31b8213 | 228 | else if (key_idx < NUM_DEFAULT_KEYS) |
a3836e02 | 229 | key = rcu_dereference(sta->gtk[key_idx]); |
62da92fb | 230 | } else |
a3836e02 | 231 | key = rcu_dereference(sdata->keys[key_idx]); |
62da92fb JB |
232 | |
233 | if (!key) | |
234 | goto out; | |
235 | ||
236 | memset(¶ms, 0, sizeof(params)); | |
237 | ||
97359d12 | 238 | params.cipher = key->conf.cipher; |
62da92fb | 239 | |
97359d12 JB |
240 | switch (key->conf.cipher) { |
241 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
242 | iv32 = key->u.tkip.tx.iv32; |
243 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 244 | |
24487981 JB |
245 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
246 | drv_get_tkip_seq(sdata->local, | |
247 | key->conf.hw_key_idx, | |
248 | &iv32, &iv16); | |
62da92fb JB |
249 | |
250 | seq[0] = iv16 & 0xff; | |
251 | seq[1] = (iv16 >> 8) & 0xff; | |
252 | seq[2] = iv32 & 0xff; | |
253 | seq[3] = (iv32 >> 8) & 0xff; | |
254 | seq[4] = (iv32 >> 16) & 0xff; | |
255 | seq[5] = (iv32 >> 24) & 0xff; | |
256 | params.seq = seq; | |
257 | params.seq_len = 6; | |
258 | break; | |
97359d12 | 259 | case WLAN_CIPHER_SUITE_CCMP: |
aba83a0b JB |
260 | pn64 = atomic64_read(&key->u.ccmp.tx_pn); |
261 | seq[0] = pn64; | |
262 | seq[1] = pn64 >> 8; | |
263 | seq[2] = pn64 >> 16; | |
264 | seq[3] = pn64 >> 24; | |
265 | seq[4] = pn64 >> 32; | |
266 | seq[5] = pn64 >> 40; | |
62da92fb JB |
267 | params.seq = seq; |
268 | params.seq_len = 6; | |
269 | break; | |
97359d12 | 270 | case WLAN_CIPHER_SUITE_AES_CMAC: |
75396ae6 JB |
271 | pn64 = atomic64_read(&key->u.aes_cmac.tx_pn); |
272 | seq[0] = pn64; | |
273 | seq[1] = pn64 >> 8; | |
274 | seq[2] = pn64 >> 16; | |
275 | seq[3] = pn64 >> 24; | |
276 | seq[4] = pn64 >> 32; | |
277 | seq[5] = pn64 >> 40; | |
3cfcf6ac JM |
278 | params.seq = seq; |
279 | params.seq_len = 6; | |
280 | break; | |
62da92fb JB |
281 | } |
282 | ||
283 | params.key = key->conf.key; | |
284 | params.key_len = key->conf.keylen; | |
285 | ||
286 | callback(cookie, ¶ms); | |
287 | err = 0; | |
288 | ||
289 | out: | |
3b96766f | 290 | rcu_read_unlock(); |
62da92fb JB |
291 | return err; |
292 | } | |
293 | ||
e8cbb4cb JB |
294 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
295 | struct net_device *dev, | |
dbd2fd65 JB |
296 | u8 key_idx, bool uni, |
297 | bool multi) | |
e8cbb4cb | 298 | { |
ad0e2b5a | 299 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 300 | |
f7e0104c | 301 | ieee80211_set_default_key(sdata, key_idx, uni, multi); |
e8cbb4cb JB |
302 | |
303 | return 0; | |
304 | } | |
305 | ||
3cfcf6ac JM |
306 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
307 | struct net_device *dev, | |
308 | u8 key_idx) | |
309 | { | |
66c52421 | 310 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 311 | |
3cfcf6ac JM |
312 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
313 | ||
3cfcf6ac JM |
314 | return 0; |
315 | } | |
316 | ||
3af6334c FF |
317 | static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, int idx) |
318 | { | |
319 | if (!(rate->flags & RATE_INFO_FLAGS_MCS)) { | |
320 | struct ieee80211_supported_band *sband; | |
321 | sband = sta->local->hw.wiphy->bands[ | |
322 | sta->local->hw.conf.channel->band]; | |
323 | rate->legacy = sband->bitrates[idx].bitrate; | |
324 | } else | |
325 | rate->mcs = idx; | |
326 | } | |
327 | ||
c5dd9c2b LCC |
328 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
329 | { | |
d0709a65 | 330 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
ebe27c91 | 331 | struct timespec uptime; |
c5dd9c2b | 332 | |
f5ea9120 JB |
333 | sinfo->generation = sdata->local->sta_generation; |
334 | ||
c5dd9c2b LCC |
335 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
336 | STATION_INFO_RX_BYTES | | |
420e7fab | 337 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
338 | STATION_INFO_RX_PACKETS | |
339 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
340 | STATION_INFO_TX_RETRIES | |
341 | STATION_INFO_TX_FAILED | | |
5a5c731a | 342 | STATION_INFO_TX_BITRATE | |
3af6334c | 343 | STATION_INFO_RX_BITRATE | |
f4263c98 | 344 | STATION_INFO_RX_DROP_MISC | |
ebe27c91 MSS |
345 | STATION_INFO_BSS_PARAM | |
346 | STATION_INFO_CONNECTED_TIME; | |
347 | ||
348 | do_posix_clock_monotonic_gettime(&uptime); | |
349 | sinfo->connected_time = uptime.tv_sec - sta->last_connected; | |
c5dd9c2b LCC |
350 | |
351 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
352 | sinfo->rx_bytes = sta->rx_bytes; | |
353 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
354 | sinfo->rx_packets = sta->rx_packets; |
355 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
356 | sinfo->tx_retries = sta->tx_retry_count; |
357 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 358 | sinfo->rx_dropped_misc = sta->rx_dropped; |
c5dd9c2b | 359 | |
19deffbe JL |
360 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
361 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
541a45a1 | 362 | sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; |
420e7fab | 363 | sinfo->signal = (s8)sta->last_signal; |
541a45a1 | 364 | sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); |
420e7fab HR |
365 | } |
366 | ||
367 | sinfo->txrate.flags = 0; | |
368 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
369 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
370 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
371 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
372 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
373 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
3af6334c FF |
374 | rate_idx_to_bitrate(&sinfo->txrate, sta, sta->last_tx_rate.idx); |
375 | ||
376 | sinfo->rxrate.flags = 0; | |
377 | if (sta->last_rx_rate_flag & RX_FLAG_HT) | |
378 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_MCS; | |
379 | if (sta->last_rx_rate_flag & RX_FLAG_40MHZ) | |
380 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
381 | if (sta->last_rx_rate_flag & RX_FLAG_SHORT_GI) | |
382 | sinfo->rxrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
383 | rate_idx_to_bitrate(&sinfo->rxrate, sta, sta->last_rx_rate_idx); | |
420e7fab | 384 | |
902acc78 | 385 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 386 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
387 | sinfo->filled |= STATION_INFO_LLID | |
388 | STATION_INFO_PLID | | |
389 | STATION_INFO_PLINK_STATE; | |
390 | ||
391 | sinfo->llid = le16_to_cpu(sta->llid); | |
392 | sinfo->plid = le16_to_cpu(sta->plid); | |
393 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 394 | #endif |
902acc78 | 395 | } |
f4263c98 PS |
396 | |
397 | sinfo->bss_param.flags = 0; | |
398 | if (sdata->vif.bss_conf.use_cts_prot) | |
399 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_CTS_PROT; | |
400 | if (sdata->vif.bss_conf.use_short_preamble) | |
401 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; | |
402 | if (sdata->vif.bss_conf.use_short_slot) | |
403 | sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; | |
404 | sinfo->bss_param.dtim_period = sdata->local->hw.conf.ps_dtim_period; | |
405 | sinfo->bss_param.beacon_interval = sdata->vif.bss_conf.beacon_int; | |
c5dd9c2b LCC |
406 | } |
407 | ||
408 | ||
409 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
410 | int idx, u8 *mac, struct station_info *sinfo) | |
411 | { | |
3b53fde8 | 412 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
c5dd9c2b | 413 | struct sta_info *sta; |
d0709a65 JB |
414 | int ret = -ENOENT; |
415 | ||
416 | rcu_read_lock(); | |
c5dd9c2b | 417 | |
3b53fde8 | 418 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
419 | if (sta) { |
420 | ret = 0; | |
17741cdc | 421 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
422 | sta_set_sinfo(sta, sinfo); |
423 | } | |
c5dd9c2b | 424 | |
d0709a65 | 425 | rcu_read_unlock(); |
c5dd9c2b | 426 | |
d0709a65 | 427 | return ret; |
c5dd9c2b LCC |
428 | } |
429 | ||
1289723e HS |
430 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
431 | int idx, struct survey_info *survey) | |
432 | { | |
433 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
434 | ||
1289723e HS |
435 | return drv_get_survey(local, idx, survey); |
436 | } | |
437 | ||
7bbdd2d9 | 438 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 439 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 440 | { |
abe60632 | 441 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
7bbdd2d9 | 442 | struct sta_info *sta; |
d0709a65 | 443 | int ret = -ENOENT; |
7bbdd2d9 | 444 | |
d0709a65 | 445 | rcu_read_lock(); |
7bbdd2d9 | 446 | |
0e5ded5a | 447 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
448 | if (sta) { |
449 | ret = 0; | |
450 | sta_set_sinfo(sta, sinfo); | |
451 | } | |
452 | ||
453 | rcu_read_unlock(); | |
454 | ||
455 | return ret; | |
7bbdd2d9 JB |
456 | } |
457 | ||
7827493b AN |
458 | static void ieee80211_config_ap_ssid(struct ieee80211_sub_if_data *sdata, |
459 | struct beacon_parameters *params) | |
460 | { | |
461 | struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; | |
462 | ||
463 | bss_conf->ssid_len = params->ssid_len; | |
464 | ||
465 | if (params->ssid_len) | |
466 | memcpy(bss_conf->ssid, params->ssid, params->ssid_len); | |
467 | ||
468 | bss_conf->hidden_ssid = | |
469 | (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE); | |
470 | } | |
471 | ||
5dfdaf58 JB |
472 | /* |
473 | * This handles both adding a beacon and setting new beacon info | |
474 | */ | |
475 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
476 | struct beacon_parameters *params) | |
477 | { | |
478 | struct beacon_data *new, *old; | |
479 | int new_head_len, new_tail_len; | |
480 | int size; | |
481 | int err = -EINVAL; | |
482 | ||
40b275b6 | 483 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
484 | |
485 | /* head must not be zero-length */ | |
486 | if (params->head && !params->head_len) | |
487 | return -EINVAL; | |
488 | ||
489 | /* | |
490 | * This is a kludge. beacon interval should really be part | |
491 | * of the beacon information. | |
492 | */ | |
57c4d7b4 JB |
493 | if (params->interval && |
494 | (sdata->vif.bss_conf.beacon_int != params->interval)) { | |
495 | sdata->vif.bss_conf.beacon_int = params->interval; | |
496 | ieee80211_bss_info_change_notify(sdata, | |
497 | BSS_CHANGED_BEACON_INT); | |
5dfdaf58 JB |
498 | } |
499 | ||
500 | /* Need to have a beacon head if we don't have one yet */ | |
501 | if (!params->head && !old) | |
502 | return err; | |
503 | ||
504 | /* sorry, no way to start beaconing without dtim period */ | |
505 | if (!params->dtim_period && !old) | |
506 | return err; | |
507 | ||
508 | /* new or old head? */ | |
509 | if (params->head) | |
510 | new_head_len = params->head_len; | |
511 | else | |
512 | new_head_len = old->head_len; | |
513 | ||
514 | /* new or old tail? */ | |
515 | if (params->tail || !old) | |
516 | /* params->tail_len will be zero for !params->tail */ | |
517 | new_tail_len = params->tail_len; | |
518 | else | |
519 | new_tail_len = old->tail_len; | |
520 | ||
521 | size = sizeof(*new) + new_head_len + new_tail_len; | |
522 | ||
523 | new = kzalloc(size, GFP_KERNEL); | |
524 | if (!new) | |
525 | return -ENOMEM; | |
526 | ||
527 | /* start filling the new info now */ | |
528 | ||
529 | /* new or old dtim period? */ | |
530 | if (params->dtim_period) | |
531 | new->dtim_period = params->dtim_period; | |
532 | else | |
533 | new->dtim_period = old->dtim_period; | |
534 | ||
535 | /* | |
536 | * pointers go into the block we allocated, | |
537 | * memory is | beacon_data | head | tail | | |
538 | */ | |
539 | new->head = ((u8 *) new) + sizeof(*new); | |
540 | new->tail = new->head + new_head_len; | |
541 | new->head_len = new_head_len; | |
542 | new->tail_len = new_tail_len; | |
543 | ||
544 | /* copy in head */ | |
545 | if (params->head) | |
546 | memcpy(new->head, params->head, new_head_len); | |
547 | else | |
548 | memcpy(new->head, old->head, new_head_len); | |
549 | ||
550 | /* copy in optional tail */ | |
551 | if (params->tail) | |
552 | memcpy(new->tail, params->tail, new_tail_len); | |
553 | else | |
554 | if (old) | |
555 | memcpy(new->tail, old->tail, new_tail_len); | |
556 | ||
19885c4f JB |
557 | sdata->vif.bss_conf.dtim_period = new->dtim_period; |
558 | ||
5dfdaf58 JB |
559 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
560 | ||
561 | synchronize_rcu(); | |
562 | ||
563 | kfree(old); | |
564 | ||
7827493b AN |
565 | ieee80211_config_ap_ssid(sdata, params); |
566 | ||
2d0ddec5 | 567 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | |
7827493b AN |
568 | BSS_CHANGED_BEACON | |
569 | BSS_CHANGED_SSID); | |
2d0ddec5 | 570 | return 0; |
5dfdaf58 JB |
571 | } |
572 | ||
573 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
574 | struct beacon_parameters *params) | |
575 | { | |
14db74bc | 576 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
577 | struct beacon_data *old; |
578 | ||
14db74bc JB |
579 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
580 | ||
40b275b6 | 581 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
582 | if (old) |
583 | return -EALREADY; | |
584 | ||
585 | return ieee80211_config_beacon(sdata, params); | |
586 | } | |
587 | ||
588 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
589 | struct beacon_parameters *params) | |
590 | { | |
14db74bc | 591 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
592 | struct beacon_data *old; |
593 | ||
14db74bc JB |
594 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
595 | ||
40b275b6 | 596 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
597 | if (!old) |
598 | return -ENOENT; | |
599 | ||
600 | return ieee80211_config_beacon(sdata, params); | |
601 | } | |
602 | ||
603 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
604 | { | |
14db74bc | 605 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
606 | struct beacon_data *old; |
607 | ||
14db74bc JB |
608 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
609 | ||
40b275b6 | 610 | old = rtnl_dereference(sdata->u.ap.beacon); |
5dfdaf58 JB |
611 | if (!old) |
612 | return -ENOENT; | |
613 | ||
614 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
615 | synchronize_rcu(); | |
616 | kfree(old); | |
617 | ||
2d0ddec5 JB |
618 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
619 | return 0; | |
5dfdaf58 JB |
620 | } |
621 | ||
4fd6931e JB |
622 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
623 | struct iapp_layer2_update { | |
624 | u8 da[ETH_ALEN]; /* broadcast */ | |
625 | u8 sa[ETH_ALEN]; /* STA addr */ | |
626 | __be16 len; /* 6 */ | |
627 | u8 dsap; /* 0 */ | |
628 | u8 ssap; /* 0 */ | |
629 | u8 control; | |
630 | u8 xid_info[3]; | |
bc10502d | 631 | } __packed; |
4fd6931e JB |
632 | |
633 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
634 | { | |
635 | struct iapp_layer2_update *msg; | |
636 | struct sk_buff *skb; | |
637 | ||
638 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
639 | * bridge devices */ | |
640 | ||
641 | skb = dev_alloc_skb(sizeof(*msg)); | |
642 | if (!skb) | |
643 | return; | |
644 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
645 | ||
646 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
647 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
648 | ||
649 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 650 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
651 | msg->len = htons(6); |
652 | msg->dsap = 0; | |
653 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
654 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
655 | * F=0 (no poll command; unsolicited frame) */ | |
656 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
657 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
658 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
659 | ||
d0709a65 JB |
660 | skb->dev = sta->sdata->dev; |
661 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 662 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 663 | netif_rx_ni(skb); |
4fd6931e JB |
664 | } |
665 | ||
666 | static void sta_apply_parameters(struct ieee80211_local *local, | |
667 | struct sta_info *sta, | |
668 | struct station_parameters *params) | |
669 | { | |
f5521b13 | 670 | unsigned long flags; |
4fd6931e JB |
671 | u32 rates; |
672 | int i, j; | |
8318d78a | 673 | struct ieee80211_supported_band *sband; |
d0709a65 | 674 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 675 | u32 mask, set; |
4fd6931e | 676 | |
ae5eb026 JB |
677 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
678 | ||
f5521b13 | 679 | spin_lock_irqsave(&sta->flaglock, flags); |
eccb8e8f JB |
680 | mask = params->sta_flags_mask; |
681 | set = params->sta_flags_set; | |
73651ee6 | 682 | |
eccb8e8f | 683 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
4fd6931e | 684 | sta->flags &= ~WLAN_STA_AUTHORIZED; |
eccb8e8f | 685 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
4fd6931e | 686 | sta->flags |= WLAN_STA_AUTHORIZED; |
eccb8e8f | 687 | } |
4fd6931e | 688 | |
eccb8e8f | 689 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
4fd6931e | 690 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 691 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
4fd6931e | 692 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 693 | } |
4fd6931e | 694 | |
eccb8e8f | 695 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
4fd6931e | 696 | sta->flags &= ~WLAN_STA_WME; |
39df600a AN |
697 | sta->sta.wme = false; |
698 | if (set & BIT(NL80211_STA_FLAG_WME)) { | |
4fd6931e | 699 | sta->flags |= WLAN_STA_WME; |
39df600a AN |
700 | sta->sta.wme = true; |
701 | } | |
eccb8e8f | 702 | } |
5394af4d | 703 | |
eccb8e8f | 704 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
5394af4d | 705 | sta->flags &= ~WLAN_STA_MFP; |
eccb8e8f | 706 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
5394af4d | 707 | sta->flags |= WLAN_STA_MFP; |
4fd6931e | 708 | } |
b39c48fa JC |
709 | |
710 | if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) { | |
711 | sta->flags &= ~WLAN_STA_AUTH; | |
712 | if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) | |
713 | sta->flags |= WLAN_STA_AUTH; | |
714 | } | |
f5521b13 | 715 | spin_unlock_irqrestore(&sta->flaglock, flags); |
4fd6931e | 716 | |
9533b4ac EP |
717 | sta->sta.uapsd_queues = params->uapsd_queues; |
718 | sta->sta.max_sp = params->max_sp; | |
719 | ||
51b50fbe JB |
720 | /* |
721 | * cfg80211 validates this (1-2007) and allows setting the AID | |
722 | * only when creating a new station entry | |
723 | */ | |
724 | if (params->aid) | |
725 | sta->sta.aid = params->aid; | |
726 | ||
73651ee6 JB |
727 | /* |
728 | * FIXME: updating the following information is racy when this | |
729 | * function is called from ieee80211_change_station(). | |
730 | * However, all this information should be static so | |
731 | * maybe we should just reject attemps to change it. | |
732 | */ | |
733 | ||
4fd6931e JB |
734 | if (params->listen_interval >= 0) |
735 | sta->listen_interval = params->listen_interval; | |
736 | ||
737 | if (params->supported_rates) { | |
738 | rates = 0; | |
8318d78a | 739 | |
4fd6931e JB |
740 | for (i = 0; i < params->supported_rates_len; i++) { |
741 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
742 | for (j = 0; j < sband->n_bitrates; j++) { |
743 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
744 | rates |= BIT(j); |
745 | } | |
746 | } | |
323ce79a | 747 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 748 | } |
c5dd9c2b | 749 | |
d9fe60de | 750 | if (params->ht_capa) |
ae5eb026 JB |
751 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
752 | params->ht_capa, | |
d9fe60de | 753 | &sta->sta.ht_cap); |
36aedc90 | 754 | |
9c3990aa | 755 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
4daf50f2 | 756 | #ifdef CONFIG_MAC80211_MESH |
9c3990aa JC |
757 | if (sdata->u.mesh.security & IEEE80211_MESH_SEC_SECURED) |
758 | switch (params->plink_state) { | |
57cf8043 JC |
759 | case NL80211_PLINK_LISTEN: |
760 | case NL80211_PLINK_ESTAB: | |
761 | case NL80211_PLINK_BLOCKED: | |
9c3990aa JC |
762 | sta->plink_state = params->plink_state; |
763 | break; | |
764 | default: | |
765 | /* nothing */ | |
766 | break; | |
767 | } | |
768 | else | |
769 | switch (params->plink_action) { | |
770 | case PLINK_ACTION_OPEN: | |
771 | mesh_plink_open(sta); | |
772 | break; | |
773 | case PLINK_ACTION_BLOCK: | |
774 | mesh_plink_block(sta); | |
775 | break; | |
776 | } | |
4daf50f2 | 777 | #endif |
902acc78 | 778 | } |
4fd6931e JB |
779 | } |
780 | ||
781 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
782 | u8 *mac, struct station_parameters *params) | |
783 | { | |
14db74bc | 784 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
785 | struct sta_info *sta; |
786 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 787 | int err; |
b8d476c8 | 788 | int layer2_update; |
4fd6931e | 789 | |
4fd6931e JB |
790 | if (params->vlan) { |
791 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
792 | ||
05c914fe JB |
793 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
794 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
795 | return -EINVAL; |
796 | } else | |
797 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
798 | ||
47846c9b | 799 | if (compare_ether_addr(mac, sdata->vif.addr) == 0) |
03e4497e JB |
800 | return -EINVAL; |
801 | ||
802 | if (is_multicast_ether_addr(mac)) | |
803 | return -EINVAL; | |
804 | ||
805 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
806 | if (!sta) |
807 | return -ENOMEM; | |
4fd6931e JB |
808 | |
809 | sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; | |
810 | ||
811 | sta_apply_parameters(local, sta, params); | |
812 | ||
4b7679a5 | 813 | rate_control_rate_init(sta); |
4fd6931e | 814 | |
b8d476c8 JM |
815 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
816 | sdata->vif.type == NL80211_IFTYPE_AP; | |
817 | ||
34e89507 | 818 | err = sta_info_insert_rcu(sta); |
73651ee6 | 819 | if (err) { |
73651ee6 JB |
820 | rcu_read_unlock(); |
821 | return err; | |
822 | } | |
823 | ||
b8d476c8 | 824 | if (layer2_update) |
73651ee6 JB |
825 | ieee80211_send_layer2_update(sta); |
826 | ||
827 | rcu_read_unlock(); | |
828 | ||
4fd6931e JB |
829 | return 0; |
830 | } | |
831 | ||
832 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
833 | u8 *mac) | |
834 | { | |
14db74bc JB |
835 | struct ieee80211_local *local = wiphy_priv(wiphy); |
836 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 837 | |
14db74bc JB |
838 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
839 | ||
34e89507 JB |
840 | if (mac) |
841 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 842 | |
34e89507 | 843 | sta_info_flush(local, sdata); |
4fd6931e JB |
844 | return 0; |
845 | } | |
846 | ||
847 | static int ieee80211_change_station(struct wiphy *wiphy, | |
848 | struct net_device *dev, | |
849 | u8 *mac, | |
850 | struct station_parameters *params) | |
851 | { | |
abe60632 | 852 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 853 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
854 | struct sta_info *sta; |
855 | struct ieee80211_sub_if_data *vlansdata; | |
856 | ||
98dd6a57 JB |
857 | rcu_read_lock(); |
858 | ||
0e5ded5a | 859 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 JB |
860 | if (!sta) { |
861 | rcu_read_unlock(); | |
4fd6931e | 862 | return -ENOENT; |
98dd6a57 | 863 | } |
4fd6931e | 864 | |
d0709a65 | 865 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
866 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
867 | ||
05c914fe JB |
868 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
869 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 870 | rcu_read_unlock(); |
4fd6931e | 871 | return -EINVAL; |
98dd6a57 | 872 | } |
4fd6931e | 873 | |
9bc383de | 874 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c JB |
875 | if (vlansdata->u.vlan.sta) { |
876 | rcu_read_unlock(); | |
f14543ee | 877 | return -EBUSY; |
3305443c | 878 | } |
f14543ee FF |
879 | |
880 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); | |
881 | } | |
882 | ||
14db74bc | 883 | sta->sdata = vlansdata; |
4fd6931e JB |
884 | ieee80211_send_layer2_update(sta); |
885 | } | |
886 | ||
887 | sta_apply_parameters(local, sta, params); | |
888 | ||
98dd6a57 JB |
889 | rcu_read_unlock(); |
890 | ||
808118cb JY |
891 | if (sdata->vif.type == NL80211_IFTYPE_STATION && |
892 | params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
893 | ieee80211_recalc_ps(local, -1); | |
894 | ||
4fd6931e JB |
895 | return 0; |
896 | } | |
897 | ||
c5dd9c2b LCC |
898 | #ifdef CONFIG_MAC80211_MESH |
899 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
900 | u8 *dst, u8 *next_hop) | |
901 | { | |
14db74bc | 902 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
903 | struct mesh_path *mpath; |
904 | struct sta_info *sta; | |
905 | int err; | |
906 | ||
14db74bc JB |
907 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
908 | ||
d0709a65 | 909 | rcu_read_lock(); |
abe60632 | 910 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
911 | if (!sta) { |
912 | rcu_read_unlock(); | |
c5dd9c2b | 913 | return -ENOENT; |
d0709a65 | 914 | } |
c5dd9c2b | 915 | |
f698d856 | 916 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
917 | if (err) { |
918 | rcu_read_unlock(); | |
c5dd9c2b | 919 | return err; |
d0709a65 | 920 | } |
c5dd9c2b | 921 | |
f698d856 | 922 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
923 | if (!mpath) { |
924 | rcu_read_unlock(); | |
c5dd9c2b LCC |
925 | return -ENXIO; |
926 | } | |
927 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 928 | |
c5dd9c2b LCC |
929 | rcu_read_unlock(); |
930 | return 0; | |
931 | } | |
932 | ||
933 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
934 | u8 *dst) | |
935 | { | |
f698d856 JBG |
936 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
937 | ||
c5dd9c2b | 938 | if (dst) |
f698d856 | 939 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 940 | |
ece1a2e7 | 941 | mesh_path_flush_by_iface(sdata); |
c5dd9c2b LCC |
942 | return 0; |
943 | } | |
944 | ||
945 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
946 | struct net_device *dev, | |
947 | u8 *dst, u8 *next_hop) | |
948 | { | |
14db74bc | 949 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
950 | struct mesh_path *mpath; |
951 | struct sta_info *sta; | |
952 | ||
14db74bc JB |
953 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
954 | ||
d0709a65 JB |
955 | rcu_read_lock(); |
956 | ||
abe60632 | 957 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
958 | if (!sta) { |
959 | rcu_read_unlock(); | |
c5dd9c2b | 960 | return -ENOENT; |
d0709a65 | 961 | } |
c5dd9c2b | 962 | |
f698d856 | 963 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
964 | if (!mpath) { |
965 | rcu_read_unlock(); | |
c5dd9c2b LCC |
966 | return -ENOENT; |
967 | } | |
968 | ||
969 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 970 | |
c5dd9c2b LCC |
971 | rcu_read_unlock(); |
972 | return 0; | |
973 | } | |
974 | ||
975 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
976 | struct mpath_info *pinfo) | |
977 | { | |
a3836e02 JB |
978 | struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop); |
979 | ||
980 | if (next_hop_sta) | |
981 | memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN); | |
c5dd9c2b LCC |
982 | else |
983 | memset(next_hop, 0, ETH_ALEN); | |
984 | ||
f5ea9120 JB |
985 | pinfo->generation = mesh_paths_generation; |
986 | ||
c5dd9c2b | 987 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 988 | MPATH_INFO_SN | |
c5dd9c2b LCC |
989 | MPATH_INFO_METRIC | |
990 | MPATH_INFO_EXPTIME | | |
991 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
992 | MPATH_INFO_DISCOVERY_RETRIES | | |
993 | MPATH_INFO_FLAGS; | |
994 | ||
995 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 996 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
997 | pinfo->metric = mpath->metric; |
998 | if (time_before(jiffies, mpath->exp_time)) | |
999 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
1000 | pinfo->discovery_timeout = | |
1001 | jiffies_to_msecs(mpath->discovery_timeout); | |
1002 | pinfo->discovery_retries = mpath->discovery_retries; | |
1003 | pinfo->flags = 0; | |
1004 | if (mpath->flags & MESH_PATH_ACTIVE) | |
1005 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
1006 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1007 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
1008 | if (mpath->flags & MESH_PATH_SN_VALID) |
1009 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
1010 | if (mpath->flags & MESH_PATH_FIXED) |
1011 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
1012 | if (mpath->flags & MESH_PATH_RESOLVING) | |
1013 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
1014 | ||
1015 | pinfo->flags = mpath->flags; | |
1016 | } | |
1017 | ||
1018 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1019 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
1020 | ||
1021 | { | |
14db74bc | 1022 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1023 | struct mesh_path *mpath; |
1024 | ||
14db74bc JB |
1025 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1026 | ||
c5dd9c2b | 1027 | rcu_read_lock(); |
f698d856 | 1028 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
1029 | if (!mpath) { |
1030 | rcu_read_unlock(); | |
1031 | return -ENOENT; | |
1032 | } | |
1033 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1034 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1035 | rcu_read_unlock(); | |
1036 | return 0; | |
1037 | } | |
1038 | ||
1039 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1040 | int idx, u8 *dst, u8 *next_hop, | |
1041 | struct mpath_info *pinfo) | |
1042 | { | |
14db74bc | 1043 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1044 | struct mesh_path *mpath; |
1045 | ||
14db74bc JB |
1046 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1047 | ||
c5dd9c2b | 1048 | rcu_read_lock(); |
f698d856 | 1049 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
1050 | if (!mpath) { |
1051 | rcu_read_unlock(); | |
1052 | return -ENOENT; | |
1053 | } | |
1054 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1055 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1056 | rcu_read_unlock(); | |
1057 | return 0; | |
1058 | } | |
93da9cc1 | 1059 | |
24bdd9f4 | 1060 | static int ieee80211_get_mesh_config(struct wiphy *wiphy, |
93da9cc1 | 1061 | struct net_device *dev, |
1062 | struct mesh_config *conf) | |
1063 | { | |
1064 | struct ieee80211_sub_if_data *sdata; | |
1065 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1066 | ||
93da9cc1 | 1067 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1068 | return 0; | |
1069 | } | |
1070 | ||
1071 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1072 | { | |
1073 | return (mask >> (parm-1)) & 0x1; | |
1074 | } | |
1075 | ||
c80d545d JC |
1076 | static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh, |
1077 | const struct mesh_setup *setup) | |
1078 | { | |
1079 | u8 *new_ie; | |
1080 | const u8 *old_ie; | |
1081 | ||
581a8b0f | 1082 | /* allocate information elements */ |
c80d545d | 1083 | new_ie = NULL; |
581a8b0f | 1084 | old_ie = ifmsh->ie; |
c80d545d | 1085 | |
581a8b0f JC |
1086 | if (setup->ie_len) { |
1087 | new_ie = kmemdup(setup->ie, setup->ie_len, | |
c80d545d JC |
1088 | GFP_KERNEL); |
1089 | if (!new_ie) | |
1090 | return -ENOMEM; | |
1091 | } | |
581a8b0f JC |
1092 | ifmsh->ie_len = setup->ie_len; |
1093 | ifmsh->ie = new_ie; | |
1094 | kfree(old_ie); | |
c80d545d JC |
1095 | |
1096 | /* now copy the rest of the setup parameters */ | |
1097 | ifmsh->mesh_id_len = setup->mesh_id_len; | |
1098 | memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len); | |
1099 | ifmsh->mesh_pp_id = setup->path_sel_proto; | |
1100 | ifmsh->mesh_pm_id = setup->path_metric; | |
b130e5ce JC |
1101 | ifmsh->security = IEEE80211_MESH_SEC_NONE; |
1102 | if (setup->is_authenticated) | |
1103 | ifmsh->security |= IEEE80211_MESH_SEC_AUTHED; | |
1104 | if (setup->is_secure) | |
1105 | ifmsh->security |= IEEE80211_MESH_SEC_SECURED; | |
c80d545d JC |
1106 | |
1107 | return 0; | |
1108 | } | |
1109 | ||
24bdd9f4 | 1110 | static int ieee80211_update_mesh_config(struct wiphy *wiphy, |
29cbe68c JB |
1111 | struct net_device *dev, u32 mask, |
1112 | const struct mesh_config *nconf) | |
93da9cc1 | 1113 | { |
1114 | struct mesh_config *conf; | |
1115 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1116 | struct ieee80211_if_mesh *ifmsh; |
1117 | ||
93da9cc1 | 1118 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1119 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1120 | |
93da9cc1 | 1121 | /* Set the config options which we are interested in setting */ |
1122 | conf = &(sdata->u.mesh.mshcfg); | |
1123 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1124 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1125 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1126 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1127 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1128 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1129 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1130 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1131 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1132 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1133 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1134 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 JC |
1135 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
1136 | conf->dot11MeshTTL = nconf->element_ttl; | |
93da9cc1 | 1137 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) |
1138 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1139 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1140 | conf->dot11MeshHWMPmaxPREQretries = | |
1141 | nconf->dot11MeshHWMPmaxPREQretries; | |
1142 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1143 | conf->path_refresh_time = nconf->path_refresh_time; | |
1144 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1145 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1146 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1147 | conf->dot11MeshHWMPactivePathTimeout = | |
1148 | nconf->dot11MeshHWMPactivePathTimeout; | |
1149 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1150 | conf->dot11MeshHWMPpreqMinInterval = | |
1151 | nconf->dot11MeshHWMPpreqMinInterval; | |
1152 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1153 | mask)) | |
1154 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1155 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1156 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1157 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1158 | ieee80211_mesh_root_setup(ifmsh); | |
1159 | } | |
16dd7267 | 1160 | if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) { |
c6133661 TP |
1161 | /* our current gate announcement implementation rides on root |
1162 | * announcements, so require this ifmsh to also be a root node | |
1163 | * */ | |
1164 | if (nconf->dot11MeshGateAnnouncementProtocol && | |
1165 | !conf->dot11MeshHWMPRootMode) { | |
1166 | conf->dot11MeshHWMPRootMode = 1; | |
1167 | ieee80211_mesh_root_setup(ifmsh); | |
1168 | } | |
16dd7267 JC |
1169 | conf->dot11MeshGateAnnouncementProtocol = |
1170 | nconf->dot11MeshGateAnnouncementProtocol; | |
1171 | } | |
0507e159 JC |
1172 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) { |
1173 | conf->dot11MeshHWMPRannInterval = | |
1174 | nconf->dot11MeshHWMPRannInterval; | |
1175 | } | |
93da9cc1 | 1176 | return 0; |
1177 | } | |
1178 | ||
29cbe68c JB |
1179 | static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev, |
1180 | const struct mesh_config *conf, | |
1181 | const struct mesh_setup *setup) | |
1182 | { | |
1183 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1184 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
c80d545d | 1185 | int err; |
29cbe68c | 1186 | |
c80d545d JC |
1187 | memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config)); |
1188 | err = copy_mesh_setup(ifmsh, setup); | |
1189 | if (err) | |
1190 | return err; | |
29cbe68c JB |
1191 | ieee80211_start_mesh(sdata); |
1192 | ||
1193 | return 0; | |
1194 | } | |
1195 | ||
1196 | static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev) | |
1197 | { | |
1198 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1199 | ||
1200 | ieee80211_stop_mesh(sdata); | |
1201 | ||
1202 | return 0; | |
1203 | } | |
c5dd9c2b LCC |
1204 | #endif |
1205 | ||
9f1ba906 JM |
1206 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1207 | struct net_device *dev, | |
1208 | struct bss_parameters *params) | |
1209 | { | |
9f1ba906 JM |
1210 | struct ieee80211_sub_if_data *sdata; |
1211 | u32 changed = 0; | |
1212 | ||
9f1ba906 JM |
1213 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1214 | ||
9f1ba906 | 1215 | if (params->use_cts_prot >= 0) { |
bda3933a | 1216 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1217 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1218 | } | |
1219 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1220 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1221 | params->use_short_preamble; |
1222 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1223 | } | |
43d35343 FF |
1224 | |
1225 | if (!sdata->vif.bss_conf.use_short_slot && | |
1226 | sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) { | |
1227 | sdata->vif.bss_conf.use_short_slot = true; | |
1228 | changed |= BSS_CHANGED_ERP_SLOT; | |
1229 | } | |
1230 | ||
9f1ba906 | 1231 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1232 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1233 | params->use_short_slot_time; |
1234 | changed |= BSS_CHANGED_ERP_SLOT; | |
1235 | } | |
1236 | ||
90c97a04 JM |
1237 | if (params->basic_rates) { |
1238 | int i, j; | |
1239 | u32 rates = 0; | |
1240 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1241 | struct ieee80211_supported_band *sband = | |
1242 | wiphy->bands[local->oper_channel->band]; | |
1243 | ||
1244 | for (i = 0; i < params->basic_rates_len; i++) { | |
1245 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1246 | for (j = 0; j < sband->n_bitrates; j++) { | |
1247 | if (sband->bitrates[j].bitrate == rate) | |
1248 | rates |= BIT(j); | |
1249 | } | |
1250 | } | |
1251 | sdata->vif.bss_conf.basic_rates = rates; | |
1252 | changed |= BSS_CHANGED_BASIC_RATES; | |
1253 | } | |
1254 | ||
7b7b5e56 FF |
1255 | if (params->ap_isolate >= 0) { |
1256 | if (params->ap_isolate) | |
1257 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1258 | else | |
1259 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1260 | } | |
1261 | ||
80d7e403 HS |
1262 | if (params->ht_opmode >= 0) { |
1263 | sdata->vif.bss_conf.ht_operation_mode = | |
1264 | (u16) params->ht_opmode; | |
1265 | changed |= BSS_CHANGED_HT; | |
1266 | } | |
1267 | ||
9f1ba906 JM |
1268 | ieee80211_bss_info_change_notify(sdata, changed); |
1269 | ||
1270 | return 0; | |
1271 | } | |
1272 | ||
31888487 | 1273 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
f70f01c2 | 1274 | struct net_device *dev, |
31888487 JM |
1275 | struct ieee80211_txq_params *params) |
1276 | { | |
1277 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1278 | struct ieee80211_tx_queue_params p; | |
1279 | ||
1280 | if (!local->ops->conf_tx) | |
1281 | return -EOPNOTSUPP; | |
1282 | ||
1283 | memset(&p, 0, sizeof(p)); | |
1284 | p.aifs = params->aifs; | |
1285 | p.cw_max = params->cwmax; | |
1286 | p.cw_min = params->cwmin; | |
1287 | p.txop = params->txop; | |
ab13315a KV |
1288 | |
1289 | /* | |
1290 | * Setting tx queue params disables u-apsd because it's only | |
1291 | * called in master mode. | |
1292 | */ | |
1293 | p.uapsd = false; | |
1294 | ||
2683d65b EP |
1295 | if (params->queue >= local->hw.queues) |
1296 | return -EINVAL; | |
1297 | ||
1298 | local->tx_conf[params->queue] = p; | |
24487981 | 1299 | if (drv_conf_tx(local, params->queue, &p)) { |
0fb9a9ec JP |
1300 | wiphy_debug(local->hw.wiphy, |
1301 | "failed to set TX queue parameters for queue %d\n", | |
1302 | params->queue); | |
31888487 JM |
1303 | return -EINVAL; |
1304 | } | |
1305 | ||
1306 | return 0; | |
1307 | } | |
1308 | ||
72bdcf34 | 1309 | static int ieee80211_set_channel(struct wiphy *wiphy, |
f444de05 | 1310 | struct net_device *netdev, |
72bdcf34 | 1311 | struct ieee80211_channel *chan, |
094d05dc | 1312 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1313 | { |
1314 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
0aaffa9b | 1315 | struct ieee80211_sub_if_data *sdata = NULL; |
eeabee7e BG |
1316 | struct ieee80211_channel *old_oper; |
1317 | enum nl80211_channel_type old_oper_type; | |
1318 | enum nl80211_channel_type old_vif_oper_type= NL80211_CHAN_NO_HT; | |
0aaffa9b JB |
1319 | |
1320 | if (netdev) | |
1321 | sdata = IEEE80211_DEV_TO_SUB_IF(netdev); | |
72bdcf34 | 1322 | |
f444de05 JB |
1323 | switch (ieee80211_get_channel_mode(local, NULL)) { |
1324 | case CHAN_MODE_HOPPING: | |
1325 | return -EBUSY; | |
1326 | case CHAN_MODE_FIXED: | |
0aaffa9b JB |
1327 | if (local->oper_channel != chan) |
1328 | return -EBUSY; | |
1329 | if (!sdata && local->_oper_channel_type == channel_type) | |
f444de05 | 1330 | return 0; |
0aaffa9b | 1331 | break; |
f444de05 JB |
1332 | case CHAN_MODE_UNDEFINED: |
1333 | break; | |
1334 | } | |
72bdcf34 | 1335 | |
eeabee7e BG |
1336 | if (sdata) |
1337 | old_vif_oper_type = sdata->vif.bss_conf.channel_type; | |
1338 | old_oper_type = local->_oper_channel_type; | |
72bdcf34 | 1339 | |
0aaffa9b JB |
1340 | if (!ieee80211_set_channel_type(local, sdata, channel_type)) |
1341 | return -EBUSY; | |
1342 | ||
eeabee7e BG |
1343 | old_oper = local->oper_channel; |
1344 | local->oper_channel = chan; | |
1345 | ||
1346 | /* Update driver if changes were actually made. */ | |
1347 | if ((old_oper != local->oper_channel) || | |
1348 | (old_oper_type != local->_oper_channel_type)) | |
1349 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1350 | ||
1351 | if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) && | |
1352 | old_vif_oper_type != sdata->vif.bss_conf.channel_type) | |
0aaffa9b JB |
1353 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); |
1354 | ||
1355 | return 0; | |
72bdcf34 JM |
1356 | } |
1357 | ||
665af4fc | 1358 | #ifdef CONFIG_PM |
ff1b6e69 JB |
1359 | static int ieee80211_suspend(struct wiphy *wiphy, |
1360 | struct cfg80211_wowlan *wowlan) | |
665af4fc | 1361 | { |
eecc4800 | 1362 | return __ieee80211_suspend(wiphy_priv(wiphy), wowlan); |
665af4fc BC |
1363 | } |
1364 | ||
1365 | static int ieee80211_resume(struct wiphy *wiphy) | |
1366 | { | |
1367 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1368 | } | |
1369 | #else | |
1370 | #define ieee80211_suspend NULL | |
1371 | #define ieee80211_resume NULL | |
1372 | #endif | |
1373 | ||
2a519311 JB |
1374 | static int ieee80211_scan(struct wiphy *wiphy, |
1375 | struct net_device *dev, | |
1376 | struct cfg80211_scan_request *req) | |
1377 | { | |
2ca27bcf | 1378 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2a519311 | 1379 | |
2ca27bcf JB |
1380 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1381 | case NL80211_IFTYPE_STATION: | |
1382 | case NL80211_IFTYPE_ADHOC: | |
1383 | case NL80211_IFTYPE_MESH_POINT: | |
1384 | case NL80211_IFTYPE_P2P_CLIENT: | |
1385 | break; | |
1386 | case NL80211_IFTYPE_P2P_GO: | |
1387 | if (sdata->local->ops->hw_scan) | |
1388 | break; | |
e9d7732e JB |
1389 | /* |
1390 | * FIXME: implement NoA while scanning in software, | |
1391 | * for now fall through to allow scanning only when | |
1392 | * beaconing hasn't been configured yet | |
1393 | */ | |
2ca27bcf JB |
1394 | case NL80211_IFTYPE_AP: |
1395 | if (sdata->u.ap.beacon) | |
1396 | return -EOPNOTSUPP; | |
1397 | break; | |
1398 | default: | |
1399 | return -EOPNOTSUPP; | |
1400 | } | |
2a519311 JB |
1401 | |
1402 | return ieee80211_request_scan(sdata, req); | |
1403 | } | |
1404 | ||
79f460ca LC |
1405 | static int |
1406 | ieee80211_sched_scan_start(struct wiphy *wiphy, | |
1407 | struct net_device *dev, | |
1408 | struct cfg80211_sched_scan_request *req) | |
1409 | { | |
1410 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1411 | ||
1412 | if (!sdata->local->ops->sched_scan_start) | |
1413 | return -EOPNOTSUPP; | |
1414 | ||
1415 | return ieee80211_request_sched_scan_start(sdata, req); | |
1416 | } | |
1417 | ||
1418 | static int | |
85a9994a | 1419 | ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev) |
79f460ca LC |
1420 | { |
1421 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1422 | ||
1423 | if (!sdata->local->ops->sched_scan_stop) | |
1424 | return -EOPNOTSUPP; | |
1425 | ||
85a9994a | 1426 | return ieee80211_request_sched_scan_stop(sdata); |
79f460ca LC |
1427 | } |
1428 | ||
636a5d36 JM |
1429 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1430 | struct cfg80211_auth_request *req) | |
1431 | { | |
77fdaa12 | 1432 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1433 | } |
1434 | ||
1435 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1436 | struct cfg80211_assoc_request *req) | |
1437 | { | |
f444de05 JB |
1438 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1439 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1440 | ||
1441 | switch (ieee80211_get_channel_mode(local, sdata)) { | |
1442 | case CHAN_MODE_HOPPING: | |
1443 | return -EBUSY; | |
1444 | case CHAN_MODE_FIXED: | |
1445 | if (local->oper_channel == req->bss->channel) | |
1446 | break; | |
1447 | return -EBUSY; | |
1448 | case CHAN_MODE_UNDEFINED: | |
1449 | break; | |
1450 | } | |
1451 | ||
77fdaa12 | 1452 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1453 | } |
1454 | ||
1455 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1456 | struct cfg80211_deauth_request *req, |
1457 | void *cookie) | |
636a5d36 | 1458 | { |
667503dd JB |
1459 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), |
1460 | req, cookie); | |
636a5d36 JM |
1461 | } |
1462 | ||
1463 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1464 | struct cfg80211_disassoc_request *req, |
1465 | void *cookie) | |
636a5d36 | 1466 | { |
667503dd JB |
1467 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), |
1468 | req, cookie); | |
636a5d36 JM |
1469 | } |
1470 | ||
af8cdcd8 JB |
1471 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1472 | struct cfg80211_ibss_params *params) | |
1473 | { | |
f444de05 | 1474 | struct ieee80211_local *local = wiphy_priv(wiphy); |
af8cdcd8 JB |
1475 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1476 | ||
f444de05 JB |
1477 | switch (ieee80211_get_channel_mode(local, sdata)) { |
1478 | case CHAN_MODE_HOPPING: | |
1479 | return -EBUSY; | |
1480 | case CHAN_MODE_FIXED: | |
1481 | if (!params->channel_fixed) | |
1482 | return -EBUSY; | |
1483 | if (local->oper_channel == params->channel) | |
1484 | break; | |
1485 | return -EBUSY; | |
1486 | case CHAN_MODE_UNDEFINED: | |
1487 | break; | |
1488 | } | |
1489 | ||
af8cdcd8 JB |
1490 | return ieee80211_ibss_join(sdata, params); |
1491 | } | |
1492 | ||
1493 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1494 | { | |
1495 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1496 | ||
1497 | return ieee80211_ibss_leave(sdata); | |
1498 | } | |
1499 | ||
b9a5f8ca JM |
1500 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1501 | { | |
1502 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1503 | int err; |
b9a5f8ca | 1504 | |
f23a4780 AN |
1505 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
1506 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
1507 | ||
1508 | if (err) | |
1509 | return err; | |
1510 | } | |
1511 | ||
310bc676 LT |
1512 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1513 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1514 | ||
1515 | if (err) | |
1516 | return err; | |
1517 | } | |
1518 | ||
b9a5f8ca | 1519 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1520 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1521 | |
24487981 JB |
1522 | if (err) |
1523 | return err; | |
b9a5f8ca JM |
1524 | } |
1525 | ||
1526 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1527 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1528 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1529 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1530 | if (changed & | |
1531 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1532 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1533 | ||
1534 | return 0; | |
1535 | } | |
1536 | ||
7643a2c3 | 1537 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1538 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1539 | { |
1540 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1541 | struct ieee80211_channel *chan = local->hw.conf.channel; | |
1542 | u32 changes = 0; | |
7643a2c3 JB |
1543 | |
1544 | switch (type) { | |
fa61cf70 | 1545 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1546 | local->user_power_level = -1; |
1547 | break; | |
fa61cf70 JO |
1548 | case NL80211_TX_POWER_LIMITED: |
1549 | if (mbm < 0 || (mbm % 100)) | |
1550 | return -EOPNOTSUPP; | |
1551 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1552 | break; |
fa61cf70 JO |
1553 | case NL80211_TX_POWER_FIXED: |
1554 | if (mbm < 0 || (mbm % 100)) | |
1555 | return -EOPNOTSUPP; | |
7643a2c3 | 1556 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1557 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1558 | return -EINVAL; |
fa61cf70 | 1559 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1560 | break; |
7643a2c3 JB |
1561 | } |
1562 | ||
1563 | ieee80211_hw_config(local, changes); | |
1564 | ||
1565 | return 0; | |
1566 | } | |
1567 | ||
1568 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1569 | { | |
1570 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1571 | ||
1572 | *dbm = local->hw.conf.power_level; | |
1573 | ||
7643a2c3 JB |
1574 | return 0; |
1575 | } | |
1576 | ||
ab737a4f | 1577 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 1578 | const u8 *addr) |
ab737a4f JB |
1579 | { |
1580 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1581 | ||
1582 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1583 | ||
1584 | return 0; | |
1585 | } | |
1586 | ||
1f87f7d3 JB |
1587 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1588 | { | |
1589 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1590 | ||
1591 | drv_rfkill_poll(local); | |
1592 | } | |
1593 | ||
aff89a9b | 1594 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1595 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1596 | { |
1597 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1598 | ||
1599 | if (!local->ops->testmode_cmd) | |
1600 | return -EOPNOTSUPP; | |
1601 | ||
1602 | return local->ops->testmode_cmd(&local->hw, data, len); | |
1603 | } | |
71063f0e WYG |
1604 | |
1605 | static int ieee80211_testmode_dump(struct wiphy *wiphy, | |
1606 | struct sk_buff *skb, | |
1607 | struct netlink_callback *cb, | |
1608 | void *data, int len) | |
1609 | { | |
1610 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1611 | ||
1612 | if (!local->ops->testmode_dump) | |
1613 | return -EOPNOTSUPP; | |
1614 | ||
1615 | return local->ops->testmode_dump(&local->hw, skb, cb, data, len); | |
1616 | } | |
aff89a9b JB |
1617 | #endif |
1618 | ||
0f78231b JB |
1619 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1620 | enum ieee80211_smps_mode smps_mode) | |
1621 | { | |
1622 | const u8 *ap; | |
1623 | enum ieee80211_smps_mode old_req; | |
1624 | int err; | |
1625 | ||
243e6df4 JB |
1626 | lockdep_assert_held(&sdata->u.mgd.mtx); |
1627 | ||
0f78231b JB |
1628 | old_req = sdata->u.mgd.req_smps; |
1629 | sdata->u.mgd.req_smps = smps_mode; | |
1630 | ||
1631 | if (old_req == smps_mode && | |
1632 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
1633 | return 0; | |
1634 | ||
1635 | /* | |
1636 | * If not associated, or current association is not an HT | |
1637 | * association, there's no need to send an action frame. | |
1638 | */ | |
1639 | if (!sdata->u.mgd.associated || | |
0aaffa9b | 1640 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { |
0f78231b | 1641 | mutex_lock(&sdata->local->iflist_mtx); |
025e6be2 | 1642 | ieee80211_recalc_smps(sdata->local); |
0f78231b JB |
1643 | mutex_unlock(&sdata->local->iflist_mtx); |
1644 | return 0; | |
1645 | } | |
1646 | ||
0c1ad2ca | 1647 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
1648 | |
1649 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
1650 | if (sdata->u.mgd.powersave) | |
1651 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
1652 | else | |
1653 | smps_mode = IEEE80211_SMPS_OFF; | |
1654 | } | |
1655 | ||
1656 | /* send SM PS frame to AP */ | |
1657 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
1658 | ap, ap); | |
1659 | if (err) | |
1660 | sdata->u.mgd.req_smps = old_req; | |
1661 | ||
1662 | return err; | |
1663 | } | |
1664 | ||
bc92afd9 JB |
1665 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
1666 | bool enabled, int timeout) | |
1667 | { | |
1668 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1669 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 1670 | |
e5de30c9 BP |
1671 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
1672 | return -EOPNOTSUPP; | |
1673 | ||
bc92afd9 JB |
1674 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
1675 | return -EOPNOTSUPP; | |
1676 | ||
1677 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 1678 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
1679 | return 0; |
1680 | ||
1681 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 1682 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 1683 | |
0f78231b JB |
1684 | /* no change, but if automatic follow powersave */ |
1685 | mutex_lock(&sdata->u.mgd.mtx); | |
1686 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
1687 | mutex_unlock(&sdata->u.mgd.mtx); | |
1688 | ||
bc92afd9 JB |
1689 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
1690 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
1691 | ||
1692 | ieee80211_recalc_ps(local, -1); | |
1693 | ||
1694 | return 0; | |
1695 | } | |
1696 | ||
a97c13c3 JO |
1697 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
1698 | struct net_device *dev, | |
1699 | s32 rssi_thold, u32 rssi_hyst) | |
1700 | { | |
1701 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1702 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1703 | struct ieee80211_vif *vif = &sdata->vif; | |
1704 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
1705 | ||
a97c13c3 JO |
1706 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
1707 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
1708 | return 0; | |
1709 | ||
1710 | bss_conf->cqm_rssi_thold = rssi_thold; | |
1711 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
1712 | ||
17e4ec14 JM |
1713 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { |
1714 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
1715 | return -EOPNOTSUPP; | |
1716 | return 0; | |
1717 | } | |
1718 | ||
a97c13c3 JO |
1719 | /* tell the driver upon association, unless already associated */ |
1720 | if (sdata->u.mgd.associated) | |
1721 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); | |
1722 | ||
1723 | return 0; | |
1724 | } | |
1725 | ||
9930380f JB |
1726 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
1727 | struct net_device *dev, | |
1728 | const u8 *addr, | |
1729 | const struct cfg80211_bitrate_mask *mask) | |
1730 | { | |
1731 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1732 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bdbfd6b5 | 1733 | int i, ret; |
2c7e6bc9 | 1734 | |
bdbfd6b5 SM |
1735 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { |
1736 | ret = drv_set_bitrate_mask(local, sdata, mask); | |
1737 | if (ret) | |
1738 | return ret; | |
1739 | } | |
9930380f | 1740 | |
37eb0b16 JM |
1741 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
1742 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; | |
9930380f | 1743 | |
37eb0b16 | 1744 | return 0; |
9930380f JB |
1745 | } |
1746 | ||
21f83589 JB |
1747 | static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local, |
1748 | struct net_device *dev, | |
1749 | struct ieee80211_channel *chan, | |
1750 | enum nl80211_channel_type chantype, | |
1751 | unsigned int duration, u64 *cookie) | |
1752 | { | |
1753 | int ret; | |
1754 | u32 random_cookie; | |
1755 | ||
1756 | lockdep_assert_held(&local->mtx); | |
1757 | ||
1758 | if (local->hw_roc_cookie) | |
1759 | return -EBUSY; | |
1760 | /* must be nonzero */ | |
1761 | random_cookie = random32() | 1; | |
1762 | ||
1763 | *cookie = random_cookie; | |
1764 | local->hw_roc_dev = dev; | |
1765 | local->hw_roc_cookie = random_cookie; | |
1766 | local->hw_roc_channel = chan; | |
1767 | local->hw_roc_channel_type = chantype; | |
1768 | local->hw_roc_duration = duration; | |
1769 | ret = drv_remain_on_channel(local, chan, chantype, duration); | |
1770 | if (ret) { | |
1771 | local->hw_roc_channel = NULL; | |
1772 | local->hw_roc_cookie = 0; | |
1773 | } | |
1774 | ||
1775 | return ret; | |
1776 | } | |
1777 | ||
b8bc4b0a JB |
1778 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
1779 | struct net_device *dev, | |
1780 | struct ieee80211_channel *chan, | |
1781 | enum nl80211_channel_type channel_type, | |
1782 | unsigned int duration, | |
1783 | u64 *cookie) | |
1784 | { | |
1785 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
21f83589 JB |
1786 | struct ieee80211_local *local = sdata->local; |
1787 | ||
1788 | if (local->ops->remain_on_channel) { | |
1789 | int ret; | |
1790 | ||
1791 | mutex_lock(&local->mtx); | |
1792 | ret = ieee80211_remain_on_channel_hw(local, dev, | |
1793 | chan, channel_type, | |
1794 | duration, cookie); | |
90fc4b3a | 1795 | local->hw_roc_for_tx = false; |
21f83589 JB |
1796 | mutex_unlock(&local->mtx); |
1797 | ||
1798 | return ret; | |
1799 | } | |
b8bc4b0a JB |
1800 | |
1801 | return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, | |
1802 | duration, cookie); | |
1803 | } | |
1804 | ||
21f83589 JB |
1805 | static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local, |
1806 | u64 cookie) | |
1807 | { | |
1808 | int ret; | |
1809 | ||
1810 | lockdep_assert_held(&local->mtx); | |
1811 | ||
1812 | if (local->hw_roc_cookie != cookie) | |
1813 | return -ENOENT; | |
1814 | ||
1815 | ret = drv_cancel_remain_on_channel(local); | |
1816 | if (ret) | |
1817 | return ret; | |
1818 | ||
1819 | local->hw_roc_cookie = 0; | |
1820 | local->hw_roc_channel = NULL; | |
1821 | ||
1822 | ieee80211_recalc_idle(local); | |
1823 | ||
1824 | return 0; | |
1825 | } | |
1826 | ||
b8bc4b0a JB |
1827 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, |
1828 | struct net_device *dev, | |
1829 | u64 cookie) | |
1830 | { | |
1831 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
21f83589 JB |
1832 | struct ieee80211_local *local = sdata->local; |
1833 | ||
1834 | if (local->ops->cancel_remain_on_channel) { | |
1835 | int ret; | |
1836 | ||
1837 | mutex_lock(&local->mtx); | |
1838 | ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); | |
1839 | mutex_unlock(&local->mtx); | |
1840 | ||
1841 | return ret; | |
1842 | } | |
b8bc4b0a JB |
1843 | |
1844 | return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); | |
1845 | } | |
1846 | ||
f30221e4 JB |
1847 | static enum work_done_result |
1848 | ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb) | |
1849 | { | |
1850 | /* | |
1851 | * Use the data embedded in the work struct for reporting | |
1852 | * here so if the driver mangled the SKB before dropping | |
1853 | * it (which is the only way we really should get here) | |
1854 | * then we don't report mangled data. | |
1855 | * | |
1856 | * If there was no wait time, then by the time we get here | |
1857 | * the driver will likely not have reported the status yet, | |
1858 | * so in that case userspace will have to deal with it. | |
1859 | */ | |
1860 | ||
1861 | if (wk->offchan_tx.wait && wk->offchan_tx.frame) | |
1862 | cfg80211_mgmt_tx_status(wk->sdata->dev, | |
1863 | (unsigned long) wk->offchan_tx.frame, | |
1864 | wk->ie, wk->ie_len, false, GFP_KERNEL); | |
1865 | ||
1866 | return WORK_DONE_DESTROY; | |
1867 | } | |
1868 | ||
2e161f78 | 1869 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, |
f7ca38df | 1870 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 1871 | enum nl80211_channel_type channel_type, |
f7ca38df | 1872 | bool channel_type_valid, unsigned int wait, |
e9f935e3 RM |
1873 | const u8 *buf, size_t len, bool no_cck, |
1874 | u64 *cookie) | |
026331c4 | 1875 | { |
9d38d85d JB |
1876 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1877 | struct ieee80211_local *local = sdata->local; | |
1878 | struct sk_buff *skb; | |
1879 | struct sta_info *sta; | |
f30221e4 | 1880 | struct ieee80211_work *wk; |
9d38d85d JB |
1881 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
1882 | u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
1883 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
f30221e4 | 1884 | bool is_offchan = false; |
f7ca38df | 1885 | |
9d38d85d JB |
1886 | /* Check that we are on the requested channel for transmission */ |
1887 | if (chan != local->tmp_channel && | |
1888 | chan != local->oper_channel) | |
f30221e4 | 1889 | is_offchan = true; |
9d38d85d JB |
1890 | if (channel_type_valid && |
1891 | (channel_type != local->tmp_channel_type && | |
1892 | channel_type != local->_oper_channel_type)) | |
f30221e4 JB |
1893 | is_offchan = true; |
1894 | ||
21f83589 JB |
1895 | if (chan == local->hw_roc_channel) { |
1896 | /* TODO: check channel type? */ | |
1897 | is_offchan = false; | |
1898 | flags |= IEEE80211_TX_CTL_TX_OFFCHAN; | |
1899 | } | |
1900 | ||
aad14ceb RM |
1901 | if (no_cck) |
1902 | flags |= IEEE80211_TX_CTL_NO_CCK_RATE; | |
1903 | ||
f30221e4 | 1904 | if (is_offchan && !offchan) |
9d38d85d JB |
1905 | return -EBUSY; |
1906 | ||
1907 | switch (sdata->vif.type) { | |
1908 | case NL80211_IFTYPE_ADHOC: | |
663fcafd JB |
1909 | case NL80211_IFTYPE_AP: |
1910 | case NL80211_IFTYPE_AP_VLAN: | |
1911 | case NL80211_IFTYPE_P2P_GO: | |
c7108a71 | 1912 | case NL80211_IFTYPE_MESH_POINT: |
663fcafd JB |
1913 | if (!ieee80211_is_action(mgmt->frame_control) || |
1914 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
1915 | break; |
1916 | rcu_read_lock(); | |
1917 | sta = sta_info_get(sdata, mgmt->da); | |
1918 | rcu_read_unlock(); | |
1919 | if (!sta) | |
1920 | return -ENOLINK; | |
1921 | break; | |
1922 | case NL80211_IFTYPE_STATION: | |
663fcafd | 1923 | case NL80211_IFTYPE_P2P_CLIENT: |
9d38d85d JB |
1924 | break; |
1925 | default: | |
1926 | return -EOPNOTSUPP; | |
1927 | } | |
1928 | ||
1929 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); | |
1930 | if (!skb) | |
1931 | return -ENOMEM; | |
1932 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
1933 | ||
1934 | memcpy(skb_put(skb, len), buf, len); | |
1935 | ||
1936 | IEEE80211_SKB_CB(skb)->flags = flags; | |
1937 | ||
1938 | skb->dev = sdata->dev; | |
9d38d85d JB |
1939 | |
1940 | *cookie = (unsigned long) skb; | |
f30221e4 | 1941 | |
90fc4b3a JB |
1942 | if (is_offchan && local->ops->remain_on_channel) { |
1943 | unsigned int duration; | |
1944 | int ret; | |
1945 | ||
1946 | mutex_lock(&local->mtx); | |
1947 | /* | |
1948 | * If the duration is zero, then the driver | |
1949 | * wouldn't actually do anything. Set it to | |
1950 | * 100 for now. | |
1951 | * | |
1952 | * TODO: cancel the off-channel operation | |
1953 | * when we get the SKB's TX status and | |
1954 | * the wait time was zero before. | |
1955 | */ | |
1956 | duration = 100; | |
1957 | if (wait) | |
1958 | duration = wait; | |
1959 | ret = ieee80211_remain_on_channel_hw(local, dev, chan, | |
1960 | channel_type, | |
1961 | duration, cookie); | |
1962 | if (ret) { | |
1963 | kfree_skb(skb); | |
1964 | mutex_unlock(&local->mtx); | |
1965 | return ret; | |
1966 | } | |
1967 | ||
1968 | local->hw_roc_for_tx = true; | |
1969 | local->hw_roc_duration = wait; | |
1970 | ||
1971 | /* | |
1972 | * queue up frame for transmission after | |
1973 | * ieee80211_ready_on_channel call | |
1974 | */ | |
1975 | ||
1976 | /* modify cookie to prevent API mismatches */ | |
1977 | *cookie ^= 2; | |
1978 | IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; | |
1979 | local->hw_roc_skb = skb; | |
4334ec85 | 1980 | local->hw_roc_skb_for_status = skb; |
90fc4b3a JB |
1981 | mutex_unlock(&local->mtx); |
1982 | ||
1983 | return 0; | |
1984 | } | |
1985 | ||
f30221e4 JB |
1986 | /* |
1987 | * Can transmit right away if the channel was the | |
1988 | * right one and there's no wait involved... If a | |
1989 | * wait is involved, we might otherwise not be on | |
1990 | * the right channel for long enough! | |
1991 | */ | |
1992 | if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) { | |
1993 | ieee80211_tx_skb(sdata, skb); | |
1994 | return 0; | |
1995 | } | |
1996 | ||
1997 | wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL); | |
1998 | if (!wk) { | |
1999 | kfree_skb(skb); | |
2000 | return -ENOMEM; | |
2001 | } | |
2002 | ||
2003 | wk->type = IEEE80211_WORK_OFFCHANNEL_TX; | |
2004 | wk->chan = chan; | |
4d51e149 | 2005 | wk->chan_type = channel_type; |
f30221e4 JB |
2006 | wk->sdata = sdata; |
2007 | wk->done = ieee80211_offchan_tx_done; | |
2008 | wk->offchan_tx.frame = skb; | |
2009 | wk->offchan_tx.wait = wait; | |
2010 | wk->ie_len = len; | |
2011 | memcpy(wk->ie, buf, len); | |
2012 | ||
2013 | ieee80211_add_work(wk); | |
9d38d85d | 2014 | return 0; |
026331c4 JM |
2015 | } |
2016 | ||
f30221e4 JB |
2017 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
2018 | struct net_device *dev, | |
2019 | u64 cookie) | |
2020 | { | |
2021 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2022 | struct ieee80211_local *local = sdata->local; | |
2023 | struct ieee80211_work *wk; | |
2024 | int ret = -ENOENT; | |
2025 | ||
2026 | mutex_lock(&local->mtx); | |
90fc4b3a JB |
2027 | |
2028 | if (local->ops->cancel_remain_on_channel) { | |
2029 | cookie ^= 2; | |
2030 | ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); | |
2031 | ||
2032 | if (ret == 0) { | |
2033 | kfree_skb(local->hw_roc_skb); | |
2034 | local->hw_roc_skb = NULL; | |
4334ec85 | 2035 | local->hw_roc_skb_for_status = NULL; |
90fc4b3a JB |
2036 | } |
2037 | ||
2038 | mutex_unlock(&local->mtx); | |
2039 | ||
2040 | return ret; | |
2041 | } | |
2042 | ||
f30221e4 JB |
2043 | list_for_each_entry(wk, &local->work_list, list) { |
2044 | if (wk->sdata != sdata) | |
2045 | continue; | |
2046 | ||
2047 | if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) | |
2048 | continue; | |
2049 | ||
2050 | if (cookie != (unsigned long) wk->offchan_tx.frame) | |
2051 | continue; | |
2052 | ||
2053 | wk->timeout = jiffies; | |
2054 | ||
2055 | ieee80211_queue_work(&local->hw, &local->work_work); | |
2056 | ret = 0; | |
2057 | break; | |
2058 | } | |
2059 | mutex_unlock(&local->mtx); | |
2060 | ||
2061 | return ret; | |
2062 | } | |
2063 | ||
7be5086d JB |
2064 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
2065 | struct net_device *dev, | |
2066 | u16 frame_type, bool reg) | |
2067 | { | |
2068 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2069 | ||
2070 | if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) | |
2071 | return; | |
2072 | ||
2073 | if (reg) | |
2074 | local->probe_req_reg++; | |
2075 | else | |
2076 | local->probe_req_reg--; | |
2077 | ||
2078 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); | |
2079 | } | |
2080 | ||
15d96753 BR |
2081 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
2082 | { | |
2083 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2084 | ||
2085 | if (local->started) | |
2086 | return -EOPNOTSUPP; | |
2087 | ||
2088 | return drv_set_antenna(local, tx_ant, rx_ant); | |
2089 | } | |
2090 | ||
2091 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
2092 | { | |
2093 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2094 | ||
2095 | return drv_get_antenna(local, tx_ant, rx_ant); | |
2096 | } | |
2097 | ||
38c09159 JL |
2098 | static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx) |
2099 | { | |
2100 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2101 | ||
2102 | return drv_set_ringparam(local, tx, rx); | |
2103 | } | |
2104 | ||
2105 | static void ieee80211_get_ringparam(struct wiphy *wiphy, | |
2106 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) | |
2107 | { | |
2108 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2109 | ||
2110 | drv_get_ringparam(local, tx, tx_max, rx, rx_max); | |
2111 | } | |
2112 | ||
c68f4b89 JB |
2113 | static int ieee80211_set_rekey_data(struct wiphy *wiphy, |
2114 | struct net_device *dev, | |
2115 | struct cfg80211_gtk_rekey_data *data) | |
2116 | { | |
2117 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
2118 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
2119 | ||
2120 | if (!local->ops->set_rekey_data) | |
2121 | return -EOPNOTSUPP; | |
2122 | ||
2123 | drv_set_rekey_data(local, sdata, data); | |
2124 | ||
2125 | return 0; | |
2126 | } | |
2127 | ||
f0706e82 JB |
2128 | struct cfg80211_ops mac80211_config_ops = { |
2129 | .add_virtual_intf = ieee80211_add_iface, | |
2130 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 2131 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
2132 | .add_key = ieee80211_add_key, |
2133 | .del_key = ieee80211_del_key, | |
62da92fb | 2134 | .get_key = ieee80211_get_key, |
e8cbb4cb | 2135 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 2136 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
2137 | .add_beacon = ieee80211_add_beacon, |
2138 | .set_beacon = ieee80211_set_beacon, | |
2139 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
2140 | .add_station = ieee80211_add_station, |
2141 | .del_station = ieee80211_del_station, | |
2142 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 2143 | .get_station = ieee80211_get_station, |
c5dd9c2b | 2144 | .dump_station = ieee80211_dump_station, |
1289723e | 2145 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
2146 | #ifdef CONFIG_MAC80211_MESH |
2147 | .add_mpath = ieee80211_add_mpath, | |
2148 | .del_mpath = ieee80211_del_mpath, | |
2149 | .change_mpath = ieee80211_change_mpath, | |
2150 | .get_mpath = ieee80211_get_mpath, | |
2151 | .dump_mpath = ieee80211_dump_mpath, | |
24bdd9f4 JC |
2152 | .update_mesh_config = ieee80211_update_mesh_config, |
2153 | .get_mesh_config = ieee80211_get_mesh_config, | |
29cbe68c JB |
2154 | .join_mesh = ieee80211_join_mesh, |
2155 | .leave_mesh = ieee80211_leave_mesh, | |
c5dd9c2b | 2156 | #endif |
9f1ba906 | 2157 | .change_bss = ieee80211_change_bss, |
31888487 | 2158 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 2159 | .set_channel = ieee80211_set_channel, |
665af4fc BC |
2160 | .suspend = ieee80211_suspend, |
2161 | .resume = ieee80211_resume, | |
2a519311 | 2162 | .scan = ieee80211_scan, |
79f460ca LC |
2163 | .sched_scan_start = ieee80211_sched_scan_start, |
2164 | .sched_scan_stop = ieee80211_sched_scan_stop, | |
636a5d36 JM |
2165 | .auth = ieee80211_auth, |
2166 | .assoc = ieee80211_assoc, | |
2167 | .deauth = ieee80211_deauth, | |
2168 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
2169 | .join_ibss = ieee80211_join_ibss, |
2170 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 2171 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
2172 | .set_tx_power = ieee80211_set_tx_power, |
2173 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 2174 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 2175 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 2176 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
71063f0e | 2177 | CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump) |
bc92afd9 | 2178 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 2179 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
2180 | .remain_on_channel = ieee80211_remain_on_channel, |
2181 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 2182 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 2183 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 2184 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 2185 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
2186 | .set_antenna = ieee80211_set_antenna, |
2187 | .get_antenna = ieee80211_get_antenna, | |
38c09159 JL |
2188 | .set_ringparam = ieee80211_set_ringparam, |
2189 | .get_ringparam = ieee80211_get_ringparam, | |
c68f4b89 | 2190 | .set_rekey_data = ieee80211_set_rekey_data, |
f0706e82 | 2191 | }; |