blob: b0102c538b309c44138fe047460b88668706a60f [file] [log] [blame]
Jiri Bencf0706e822007-05-05 11:45:53 -07001/*
2 * mac80211 configuration hooks for cfg80211
3 *
Johannes Berg62da92f2007-12-19 02:03:31 +01004 * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
Jiri Bencf0706e822007-05-05 11:45:53 -07005 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
Johannes Berge8cbb4c2007-12-19 02:03:30 +01009#include <linux/ieee80211.h>
Jiri Bencf0706e822007-05-05 11:45:53 -070010#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
Eric W. Biederman881d9662007-09-17 11:56:21 -070012#include <net/net_namespace.h>
Johannes Berg5dfdaf52007-12-19 02:03:33 +010013#include <linux/rcupdate.h>
Jiri Bencf0706e822007-05-05 11:45:53 -070014#include <net/cfg80211.h>
15#include "ieee80211_i.h"
Johannes Berg24487982009-04-23 18:52:52 +020016#include "driver-ops.h"
Michael Wue0eb6852007-09-18 17:29:21 -040017#include "cfg.h"
Johannes Berg2c8dccc2008-04-08 15:14:40 -040018#include "rate.h"
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +010019#include "mesh.h"
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +010020
Johannes Berg05c914f2008-09-11 00:01:58 +020021static bool nl80211_type_check(enum nl80211_iftype type)
Johannes Berg42613db2007-09-28 21:52:27 +020022{
23 switch (type) {
Johannes Berg42613db2007-09-28 21:52:27 +020024 case NL80211_IFTYPE_ADHOC:
Johannes Berg42613db2007-09-28 21:52:27 +020025 case NL80211_IFTYPE_STATION:
Johannes Berg42613db2007-09-28 21:52:27 +020026 case NL80211_IFTYPE_MONITOR:
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +010027#ifdef CONFIG_MAC80211_MESH
28 case NL80211_IFTYPE_MESH_POINT:
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +010029#endif
Jouni Malinenfbf18922008-10-30 19:50:30 +020030 case NL80211_IFTYPE_AP:
31 case NL80211_IFTYPE_AP_VLAN:
Johannes Bergb4540482008-04-14 15:37:03 +020032 case NL80211_IFTYPE_WDS:
Johannes Berg05c914f2008-09-11 00:01:58 +020033 return true;
Johannes Berg42613db2007-09-28 21:52:27 +020034 default:
Johannes Berg05c914f2008-09-11 00:01:58 +020035 return false;
Johannes Berg42613db2007-09-28 21:52:27 +020036 }
37}
38
Felix Fietkauf14543e2009-11-10 20:10:05 +010039static bool nl80211_params_check(enum nl80211_iftype type,
40 struct vif_params *params)
41{
42 if (!nl80211_type_check(type))
43 return false;
44
Felix Fietkauf14543e2009-11-10 20:10:05 +010045 return true;
46}
47
Jiri Bencf0706e822007-05-05 11:45:53 -070048static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +010049 enum nl80211_iftype type, u32 *flags,
50 struct vif_params *params)
Jiri Bencf0706e822007-05-05 11:45:53 -070051{
52 struct ieee80211_local *local = wiphy_priv(wiphy);
Michael Wu8cc9a732008-01-31 19:48:23 +010053 struct net_device *dev;
54 struct ieee80211_sub_if_data *sdata;
55 int err;
Jiri Bencf0706e822007-05-05 11:45:53 -070056
Felix Fietkauf14543e2009-11-10 20:10:05 +010057 if (!nl80211_params_check(type, params))
Jiri Bencf0706e822007-05-05 11:45:53 -070058 return -EINVAL;
Jiri Bencf0706e822007-05-05 11:45:53 -070059
Johannes Berg05c914f2008-09-11 00:01:58 +020060 err = ieee80211_if_add(local, name, &dev, type, params);
61 if (err || type != NL80211_IFTYPE_MONITOR || !flags)
Michael Wu8cc9a732008-01-31 19:48:23 +010062 return err;
63
64 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
65 sdata->u.mntr_flags = *flags;
66 return 0;
Jiri Bencf0706e822007-05-05 11:45:53 -070067}
68
Johannes Berg463d0182009-07-14 00:33:35 +020069static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
Jiri Bencf0706e822007-05-05 11:45:53 -070070{
Johannes Berg463d0182009-07-14 00:33:35 +020071 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
Jiri Bencf0706e822007-05-05 11:45:53 -070072
Johannes Berg75636522008-07-09 14:40:35 +020073 return 0;
Jiri Bencf0706e822007-05-05 11:45:53 -070074}
75
Johannes Berge36d56b2009-06-09 21:04:43 +020076static int ieee80211_change_iface(struct wiphy *wiphy,
77 struct net_device *dev,
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +010078 enum nl80211_iftype type, u32 *flags,
79 struct vif_params *params)
Johannes Berg42613db2007-09-28 21:52:27 +020080{
Johannes Berg9607e6b2009-12-23 13:15:31 +010081 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Bergf3947e22008-07-09 14:40:36 +020082 int ret;
Johannes Berg42613db2007-09-28 21:52:27 +020083
Johannes Berg9607e6b2009-12-23 13:15:31 +010084 if (ieee80211_sdata_running(sdata))
Johannes Bergc1f9a762009-11-01 19:25:40 +010085 return -EBUSY;
86
Felix Fietkauf14543e2009-11-10 20:10:05 +010087 if (!nl80211_params_check(type, params))
Johannes Berg42613db2007-09-28 21:52:27 +020088 return -EINVAL;
89
Johannes Berg05c914f2008-09-11 00:01:58 +020090 ret = ieee80211_if_change_type(sdata, type);
Johannes Bergf3947e22008-07-09 14:40:36 +020091 if (ret)
92 return ret;
Johannes Berg42613db2007-09-28 21:52:27 +020093
Johannes Berg902acc72008-02-23 15:17:19 +010094 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
Johannes Berg472dbc42008-09-11 00:01:49 +020095 ieee80211_sdata_set_mesh_id(sdata,
96 params->mesh_id_len,
97 params->mesh_id);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +010098
Johannes Berg05c914f2008-09-11 00:01:58 +020099 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
Michael Wu8cc9a732008-01-31 19:48:23 +0100100 return 0;
101
Johannes Berg9bc383d2009-11-19 11:55:19 +0100102 if (type == NL80211_IFTYPE_AP_VLAN &&
103 params && params->use_4addr == 0)
104 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
105 else if (type == NL80211_IFTYPE_STATION &&
106 params && params->use_4addr >= 0)
107 sdata->u.mgd.use_4addr = params->use_4addr;
108
Michael Wu8cc9a732008-01-31 19:48:23 +0100109 sdata->u.mntr_flags = *flags;
Johannes Berg42613db2007-09-28 21:52:27 +0200110 return 0;
111}
112
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100113static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg4e943902009-05-09 20:06:47 +0200114 u8 key_idx, const u8 *mac_addr,
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100115 struct key_params *params)
116{
117 struct ieee80211_sub_if_data *sdata;
118 struct sta_info *sta = NULL;
119 enum ieee80211_key_alg alg;
Johannes Bergdb4d1162008-02-25 16:27:45 +0100120 struct ieee80211_key *key;
Johannes Berg3b967662008-04-08 17:56:52 +0200121 int err;
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100122
123 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
124
125 switch (params->cipher) {
126 case WLAN_CIPHER_SUITE_WEP40:
127 case WLAN_CIPHER_SUITE_WEP104:
128 alg = ALG_WEP;
129 break;
130 case WLAN_CIPHER_SUITE_TKIP:
131 alg = ALG_TKIP;
132 break;
133 case WLAN_CIPHER_SUITE_CCMP:
134 alg = ALG_CCMP;
135 break;
Jouni Malinen3cfcf6a2009-01-08 13:32:02 +0200136 case WLAN_CIPHER_SUITE_AES_CMAC:
137 alg = ALG_AES_CMAC;
138 break;
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100139 default:
140 return -EINVAL;
141 }
142
Jouni Malinenfaa8fdc2009-05-11 21:57:58 +0300143 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
144 params->seq_len, params->seq);
Johannes Bergdb4d1162008-02-25 16:27:45 +0100145 if (!key)
146 return -ENOMEM;
147
Johannes Berg3b967662008-04-08 17:56:52 +0200148 rcu_read_lock();
149
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100150 if (mac_addr) {
Felix Fietkau0e5ded52010-01-08 18:10:58 +0100151 sta = sta_info_get_bss(sdata, mac_addr);
Johannes Bergdb4d1162008-02-25 16:27:45 +0100152 if (!sta) {
153 ieee80211_key_free(key);
Johannes Berg3b967662008-04-08 17:56:52 +0200154 err = -ENOENT;
155 goto out_unlock;
Johannes Bergdb4d1162008-02-25 16:27:45 +0100156 }
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100157 }
158
Johannes Bergdb4d1162008-02-25 16:27:45 +0100159 ieee80211_key_link(key, sdata, sta);
160
Johannes Berg3b967662008-04-08 17:56:52 +0200161 err = 0;
162 out_unlock:
163 rcu_read_unlock();
164
165 return err;
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100166}
167
168static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg4e943902009-05-09 20:06:47 +0200169 u8 key_idx, const u8 *mac_addr)
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100170{
171 struct ieee80211_sub_if_data *sdata;
172 struct sta_info *sta;
173 int ret;
174
175 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
176
Johannes Berg3b967662008-04-08 17:56:52 +0200177 rcu_read_lock();
178
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100179 if (mac_addr) {
Johannes Berg3b967662008-04-08 17:56:52 +0200180 ret = -ENOENT;
181
Felix Fietkau0e5ded52010-01-08 18:10:58 +0100182 sta = sta_info_get_bss(sdata, mac_addr);
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100183 if (!sta)
Johannes Berg3b967662008-04-08 17:56:52 +0200184 goto out_unlock;
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100185
Johannes Bergdb4d1162008-02-25 16:27:45 +0100186 if (sta->key) {
Johannes Bergd0709a62008-02-25 16:27:46 +0100187 ieee80211_key_free(sta->key);
Johannes Bergdb4d1162008-02-25 16:27:45 +0100188 WARN_ON(sta->key);
Johannes Berg3b967662008-04-08 17:56:52 +0200189 ret = 0;
190 }
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100191
Johannes Berg3b967662008-04-08 17:56:52 +0200192 goto out_unlock;
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100193 }
194
Johannes Berg3b967662008-04-08 17:56:52 +0200195 if (!sdata->keys[key_idx]) {
196 ret = -ENOENT;
197 goto out_unlock;
198 }
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100199
Johannes Bergd0709a62008-02-25 16:27:46 +0100200 ieee80211_key_free(sdata->keys[key_idx]);
Johannes Bergdb4d1162008-02-25 16:27:45 +0100201 WARN_ON(sdata->keys[key_idx]);
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100202
Johannes Berg3b967662008-04-08 17:56:52 +0200203 ret = 0;
204 out_unlock:
205 rcu_read_unlock();
206
207 return ret;
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100208}
209
Johannes Berg62da92f2007-12-19 02:03:31 +0100210static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg4e943902009-05-09 20:06:47 +0200211 u8 key_idx, const u8 *mac_addr, void *cookie,
Johannes Berg62da92f2007-12-19 02:03:31 +0100212 void (*callback)(void *cookie,
213 struct key_params *params))
214{
Johannes Berg14db74b2008-07-29 13:22:52 +0200215 struct ieee80211_sub_if_data *sdata;
Johannes Berg62da92f2007-12-19 02:03:31 +0100216 struct sta_info *sta = NULL;
217 u8 seq[6] = {0};
218 struct key_params params;
219 struct ieee80211_key *key;
220 u32 iv32;
221 u16 iv16;
222 int err = -ENOENT;
223
Johannes Berg14db74b2008-07-29 13:22:52 +0200224 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
225
Johannes Berg3b967662008-04-08 17:56:52 +0200226 rcu_read_lock();
227
Johannes Berg62da92f2007-12-19 02:03:31 +0100228 if (mac_addr) {
Felix Fietkau0e5ded52010-01-08 18:10:58 +0100229 sta = sta_info_get_bss(sdata, mac_addr);
Johannes Berg62da92f2007-12-19 02:03:31 +0100230 if (!sta)
231 goto out;
232
233 key = sta->key;
234 } else
235 key = sdata->keys[key_idx];
236
237 if (!key)
238 goto out;
239
240 memset(&params, 0, sizeof(params));
241
242 switch (key->conf.alg) {
243 case ALG_TKIP:
244 params.cipher = WLAN_CIPHER_SUITE_TKIP;
245
Harvey Harrisonb0f76b32008-05-14 16:26:19 -0700246 iv32 = key->u.tkip.tx.iv32;
247 iv16 = key->u.tkip.tx.iv16;
Johannes Berg62da92f2007-12-19 02:03:31 +0100248
Johannes Berg24487982009-04-23 18:52:52 +0200249 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
250 drv_get_tkip_seq(sdata->local,
251 key->conf.hw_key_idx,
252 &iv32, &iv16);
Johannes Berg62da92f2007-12-19 02:03:31 +0100253
254 seq[0] = iv16 & 0xff;
255 seq[1] = (iv16 >> 8) & 0xff;
256 seq[2] = iv32 & 0xff;
257 seq[3] = (iv32 >> 8) & 0xff;
258 seq[4] = (iv32 >> 16) & 0xff;
259 seq[5] = (iv32 >> 24) & 0xff;
260 params.seq = seq;
261 params.seq_len = 6;
262 break;
263 case ALG_CCMP:
264 params.cipher = WLAN_CIPHER_SUITE_CCMP;
265 seq[0] = key->u.ccmp.tx_pn[5];
266 seq[1] = key->u.ccmp.tx_pn[4];
267 seq[2] = key->u.ccmp.tx_pn[3];
268 seq[3] = key->u.ccmp.tx_pn[2];
269 seq[4] = key->u.ccmp.tx_pn[1];
270 seq[5] = key->u.ccmp.tx_pn[0];
271 params.seq = seq;
272 params.seq_len = 6;
273 break;
274 case ALG_WEP:
275 if (key->conf.keylen == 5)
276 params.cipher = WLAN_CIPHER_SUITE_WEP40;
277 else
278 params.cipher = WLAN_CIPHER_SUITE_WEP104;
279 break;
Jouni Malinen3cfcf6a2009-01-08 13:32:02 +0200280 case ALG_AES_CMAC:
281 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
282 seq[0] = key->u.aes_cmac.tx_pn[5];
283 seq[1] = key->u.aes_cmac.tx_pn[4];
284 seq[2] = key->u.aes_cmac.tx_pn[3];
285 seq[3] = key->u.aes_cmac.tx_pn[2];
286 seq[4] = key->u.aes_cmac.tx_pn[1];
287 seq[5] = key->u.aes_cmac.tx_pn[0];
288 params.seq = seq;
289 params.seq_len = 6;
290 break;
Johannes Berg62da92f2007-12-19 02:03:31 +0100291 }
292
293 params.key = key->conf.key;
294 params.key_len = key->conf.keylen;
295
296 callback(cookie, &params);
297 err = 0;
298
299 out:
Johannes Berg3b967662008-04-08 17:56:52 +0200300 rcu_read_unlock();
Johannes Berg62da92f2007-12-19 02:03:31 +0100301 return err;
302}
303
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100304static int ieee80211_config_default_key(struct wiphy *wiphy,
305 struct net_device *dev,
306 u8 key_idx)
307{
308 struct ieee80211_sub_if_data *sdata;
309
Johannes Berg3b967662008-04-08 17:56:52 +0200310 rcu_read_lock();
311
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100312 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
313 ieee80211_set_default_key(sdata, key_idx);
314
Johannes Berg3b967662008-04-08 17:56:52 +0200315 rcu_read_unlock();
316
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100317 return 0;
318}
319
Jouni Malinen3cfcf6a2009-01-08 13:32:02 +0200320static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
321 struct net_device *dev,
322 u8 key_idx)
323{
324 struct ieee80211_sub_if_data *sdata;
325
326 rcu_read_lock();
327
328 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
329 ieee80211_set_default_mgmt_key(sdata, key_idx);
330
331 rcu_read_unlock();
332
333 return 0;
334}
335
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100336static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
337{
Johannes Bergd0709a62008-02-25 16:27:46 +0100338 struct ieee80211_sub_if_data *sdata = sta->sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100339
Johannes Bergf5ea9122009-08-07 16:17:38 +0200340 sinfo->generation = sdata->local->sta_generation;
341
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100342 sinfo->filled = STATION_INFO_INACTIVE_TIME |
343 STATION_INFO_RX_BYTES |
Henning Rogge420e7fa2008-12-11 22:04:19 +0100344 STATION_INFO_TX_BYTES |
Jouni Malinen98c8a60a2009-02-17 13:24:57 +0200345 STATION_INFO_RX_PACKETS |
346 STATION_INFO_TX_PACKETS |
Henning Rogge420e7fa2008-12-11 22:04:19 +0100347 STATION_INFO_TX_BITRATE;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100348
349 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
350 sinfo->rx_bytes = sta->rx_bytes;
351 sinfo->tx_bytes = sta->tx_bytes;
Jouni Malinen98c8a60a2009-02-17 13:24:57 +0200352 sinfo->rx_packets = sta->rx_packets;
353 sinfo->tx_packets = sta->tx_packets;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100354
John W. Linville19deffb2009-12-08 17:10:13 -0500355 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
356 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
Henning Rogge420e7fa2008-12-11 22:04:19 +0100357 sinfo->filled |= STATION_INFO_SIGNAL;
358 sinfo->signal = (s8)sta->last_signal;
359 }
360
361 sinfo->txrate.flags = 0;
362 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
363 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
364 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
365 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
366 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
367 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
368
369 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
370 struct ieee80211_supported_band *sband;
371 sband = sta->local->hw.wiphy->bands[
372 sta->local->hw.conf.channel->band];
373 sinfo->txrate.legacy =
374 sband->bitrates[sta->last_tx_rate.idx].bitrate;
375 } else
376 sinfo->txrate.mcs = sta->last_tx_rate.idx;
377
Johannes Berg902acc72008-02-23 15:17:19 +0100378 if (ieee80211_vif_is_mesh(&sdata->vif)) {
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100379#ifdef CONFIG_MAC80211_MESH
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100380 sinfo->filled |= STATION_INFO_LLID |
381 STATION_INFO_PLID |
382 STATION_INFO_PLINK_STATE;
383
384 sinfo->llid = le16_to_cpu(sta->llid);
385 sinfo->plid = le16_to_cpu(sta->plid);
386 sinfo->plink_state = sta->plink_state;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100387#endif
Johannes Berg902acc72008-02-23 15:17:19 +0100388 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100389}
390
391
392static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
393 int idx, u8 *mac, struct station_info *sinfo)
394{
Johannes Berg3b53fde82009-11-16 12:00:37 +0100395 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100396 struct sta_info *sta;
Johannes Bergd0709a62008-02-25 16:27:46 +0100397 int ret = -ENOENT;
398
399 rcu_read_lock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100400
Johannes Berg3b53fde82009-11-16 12:00:37 +0100401 sta = sta_info_get_by_idx(sdata, idx);
Johannes Bergd0709a62008-02-25 16:27:46 +0100402 if (sta) {
403 ret = 0;
Johannes Berg17741cd2008-09-11 00:02:02 +0200404 memcpy(mac, sta->sta.addr, ETH_ALEN);
Johannes Bergd0709a62008-02-25 16:27:46 +0100405 sta_set_sinfo(sta, sinfo);
406 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100407
Johannes Bergd0709a62008-02-25 16:27:46 +0100408 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100409
Johannes Bergd0709a62008-02-25 16:27:46 +0100410 return ret;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100411}
412
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100413static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100414 u8 *mac, struct station_info *sinfo)
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100415{
Johannes Bergabe60632009-11-25 17:46:18 +0100416 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100417 struct sta_info *sta;
Johannes Bergd0709a62008-02-25 16:27:46 +0100418 int ret = -ENOENT;
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100419
Johannes Bergd0709a62008-02-25 16:27:46 +0100420 rcu_read_lock();
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100421
Felix Fietkau0e5ded52010-01-08 18:10:58 +0100422 sta = sta_info_get_bss(sdata, mac);
Johannes Bergd0709a62008-02-25 16:27:46 +0100423 if (sta) {
424 ret = 0;
425 sta_set_sinfo(sta, sinfo);
426 }
427
428 rcu_read_unlock();
429
430 return ret;
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100431}
432
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100433/*
434 * This handles both adding a beacon and setting new beacon info
435 */
436static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
437 struct beacon_parameters *params)
438{
439 struct beacon_data *new, *old;
440 int new_head_len, new_tail_len;
441 int size;
442 int err = -EINVAL;
443
444 old = sdata->u.ap.beacon;
445
446 /* head must not be zero-length */
447 if (params->head && !params->head_len)
448 return -EINVAL;
449
450 /*
451 * This is a kludge. beacon interval should really be part
452 * of the beacon information.
453 */
Johannes Berg57c4d7b2009-04-23 16:10:04 +0200454 if (params->interval &&
455 (sdata->vif.bss_conf.beacon_int != params->interval)) {
456 sdata->vif.bss_conf.beacon_int = params->interval;
457 ieee80211_bss_info_change_notify(sdata,
458 BSS_CHANGED_BEACON_INT);
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100459 }
460
461 /* Need to have a beacon head if we don't have one yet */
462 if (!params->head && !old)
463 return err;
464
465 /* sorry, no way to start beaconing without dtim period */
466 if (!params->dtim_period && !old)
467 return err;
468
469 /* new or old head? */
470 if (params->head)
471 new_head_len = params->head_len;
472 else
473 new_head_len = old->head_len;
474
475 /* new or old tail? */
476 if (params->tail || !old)
477 /* params->tail_len will be zero for !params->tail */
478 new_tail_len = params->tail_len;
479 else
480 new_tail_len = old->tail_len;
481
482 size = sizeof(*new) + new_head_len + new_tail_len;
483
484 new = kzalloc(size, GFP_KERNEL);
485 if (!new)
486 return -ENOMEM;
487
488 /* start filling the new info now */
489
490 /* new or old dtim period? */
491 if (params->dtim_period)
492 new->dtim_period = params->dtim_period;
493 else
494 new->dtim_period = old->dtim_period;
495
496 /*
497 * pointers go into the block we allocated,
498 * memory is | beacon_data | head | tail |
499 */
500 new->head = ((u8 *) new) + sizeof(*new);
501 new->tail = new->head + new_head_len;
502 new->head_len = new_head_len;
503 new->tail_len = new_tail_len;
504
505 /* copy in head */
506 if (params->head)
507 memcpy(new->head, params->head, new_head_len);
508 else
509 memcpy(new->head, old->head, new_head_len);
510
511 /* copy in optional tail */
512 if (params->tail)
513 memcpy(new->tail, params->tail, new_tail_len);
514 else
515 if (old)
516 memcpy(new->tail, old->tail, new_tail_len);
517
518 rcu_assign_pointer(sdata->u.ap.beacon, new);
519
520 synchronize_rcu();
521
522 kfree(old);
523
Johannes Berg2d0ddec2009-04-23 16:13:26 +0200524 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
525 BSS_CHANGED_BEACON);
526 return 0;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100527}
528
529static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
530 struct beacon_parameters *params)
531{
Johannes Berg14db74b2008-07-29 13:22:52 +0200532 struct ieee80211_sub_if_data *sdata;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100533 struct beacon_data *old;
534
Johannes Berg14db74b2008-07-29 13:22:52 +0200535 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
536
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100537 old = sdata->u.ap.beacon;
538
539 if (old)
540 return -EALREADY;
541
542 return ieee80211_config_beacon(sdata, params);
543}
544
545static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
546 struct beacon_parameters *params)
547{
Johannes Berg14db74b2008-07-29 13:22:52 +0200548 struct ieee80211_sub_if_data *sdata;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100549 struct beacon_data *old;
550
Johannes Berg14db74b2008-07-29 13:22:52 +0200551 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
552
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100553 old = sdata->u.ap.beacon;
554
555 if (!old)
556 return -ENOENT;
557
558 return ieee80211_config_beacon(sdata, params);
559}
560
561static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
562{
Johannes Berg14db74b2008-07-29 13:22:52 +0200563 struct ieee80211_sub_if_data *sdata;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100564 struct beacon_data *old;
565
Johannes Berg14db74b2008-07-29 13:22:52 +0200566 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
567
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100568 old = sdata->u.ap.beacon;
569
570 if (!old)
571 return -ENOENT;
572
573 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
574 synchronize_rcu();
575 kfree(old);
576
Johannes Berg2d0ddec2009-04-23 16:13:26 +0200577 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
578 return 0;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100579}
580
Johannes Berg4fd69312007-12-19 02:03:35 +0100581/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
582struct iapp_layer2_update {
583 u8 da[ETH_ALEN]; /* broadcast */
584 u8 sa[ETH_ALEN]; /* STA addr */
585 __be16 len; /* 6 */
586 u8 dsap; /* 0 */
587 u8 ssap; /* 0 */
588 u8 control;
589 u8 xid_info[3];
590} __attribute__ ((packed));
591
592static void ieee80211_send_layer2_update(struct sta_info *sta)
593{
594 struct iapp_layer2_update *msg;
595 struct sk_buff *skb;
596
597 /* Send Level 2 Update Frame to update forwarding tables in layer 2
598 * bridge devices */
599
600 skb = dev_alloc_skb(sizeof(*msg));
601 if (!skb)
602 return;
603 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
604
605 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
606 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
607
608 memset(msg->da, 0xff, ETH_ALEN);
Johannes Berg17741cd2008-09-11 00:02:02 +0200609 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
Johannes Berg4fd69312007-12-19 02:03:35 +0100610 msg->len = htons(6);
611 msg->dsap = 0;
612 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
613 msg->control = 0xaf; /* XID response lsb.1111F101.
614 * F=0 (no poll command; unsolicited frame) */
615 msg->xid_info[0] = 0x81; /* XID format identifier */
616 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
617 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
618
Johannes Bergd0709a62008-02-25 16:27:46 +0100619 skb->dev = sta->sdata->dev;
620 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
Johannes Berg4fd69312007-12-19 02:03:35 +0100621 memset(skb->cb, 0, sizeof(skb->cb));
622 netif_rx(skb);
623}
624
625static void sta_apply_parameters(struct ieee80211_local *local,
626 struct sta_info *sta,
627 struct station_parameters *params)
628{
629 u32 rates;
630 int i, j;
Johannes Berg8318d782008-01-24 19:38:38 +0100631 struct ieee80211_supported_band *sband;
Johannes Bergd0709a62008-02-25 16:27:46 +0100632 struct ieee80211_sub_if_data *sdata = sta->sdata;
Johannes Bergeccb8e82009-05-11 21:57:56 +0300633 u32 mask, set;
Johannes Berg4fd69312007-12-19 02:03:35 +0100634
Johannes Bergae5eb022008-10-14 16:58:37 +0200635 sband = local->hw.wiphy->bands[local->oper_channel->band];
636
Johannes Bergeccb8e82009-05-11 21:57:56 +0300637 spin_lock_bh(&sta->lock);
638 mask = params->sta_flags_mask;
639 set = params->sta_flags_set;
Johannes Berg73651ee2008-02-25 16:27:47 +0100640
Johannes Bergeccb8e82009-05-11 21:57:56 +0300641 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
Johannes Berg4fd69312007-12-19 02:03:35 +0100642 sta->flags &= ~WLAN_STA_AUTHORIZED;
Johannes Bergeccb8e82009-05-11 21:57:56 +0300643 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
Johannes Berg4fd69312007-12-19 02:03:35 +0100644 sta->flags |= WLAN_STA_AUTHORIZED;
Johannes Berg4fd69312007-12-19 02:03:35 +0100645 }
646
Johannes Bergeccb8e82009-05-11 21:57:56 +0300647 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
648 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
649 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
650 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
651 }
652
653 if (mask & BIT(NL80211_STA_FLAG_WME)) {
654 sta->flags &= ~WLAN_STA_WME;
655 if (set & BIT(NL80211_STA_FLAG_WME))
656 sta->flags |= WLAN_STA_WME;
657 }
658
659 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
660 sta->flags &= ~WLAN_STA_MFP;
661 if (set & BIT(NL80211_STA_FLAG_MFP))
662 sta->flags |= WLAN_STA_MFP;
663 }
664 spin_unlock_bh(&sta->lock);
665
Johannes Berg73651ee2008-02-25 16:27:47 +0100666 /*
Johannes Berg51b50fb2009-05-24 16:42:30 +0200667 * cfg80211 validates this (1-2007) and allows setting the AID
668 * only when creating a new station entry
669 */
670 if (params->aid)
671 sta->sta.aid = params->aid;
672
673 /*
Johannes Berg73651ee2008-02-25 16:27:47 +0100674 * FIXME: updating the following information is racy when this
675 * function is called from ieee80211_change_station().
676 * However, all this information should be static so
677 * maybe we should just reject attemps to change it.
678 */
679
Johannes Berg4fd69312007-12-19 02:03:35 +0100680 if (params->listen_interval >= 0)
681 sta->listen_interval = params->listen_interval;
682
683 if (params->supported_rates) {
684 rates = 0;
Johannes Berg8318d782008-01-24 19:38:38 +0100685
Johannes Berg4fd69312007-12-19 02:03:35 +0100686 for (i = 0; i < params->supported_rates_len; i++) {
687 int rate = (params->supported_rates[i] & 0x7f) * 5;
Johannes Berg8318d782008-01-24 19:38:38 +0100688 for (j = 0; j < sband->n_bitrates; j++) {
689 if (sband->bitrates[j].bitrate == rate)
Johannes Berg4fd69312007-12-19 02:03:35 +0100690 rates |= BIT(j);
691 }
692 }
Johannes Berg323ce792008-09-11 02:45:11 +0200693 sta->sta.supp_rates[local->oper_channel->band] = rates;
Johannes Berg4fd69312007-12-19 02:03:35 +0100694 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100695
Johannes Bergd9fe60d2008-10-09 12:13:49 +0200696 if (params->ht_capa)
Johannes Bergae5eb022008-10-14 16:58:37 +0200697 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
698 params->ht_capa,
Johannes Bergd9fe60d2008-10-09 12:13:49 +0200699 &sta->sta.ht_cap);
Jouni Malinen36aedc92008-08-25 11:58:58 +0300700
Johannes Berg902acc72008-02-23 15:17:19 +0100701 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100702 switch (params->plink_action) {
703 case PLINK_ACTION_OPEN:
704 mesh_plink_open(sta);
705 break;
706 case PLINK_ACTION_BLOCK:
707 mesh_plink_block(sta);
708 break;
709 }
Johannes Berg902acc72008-02-23 15:17:19 +0100710 }
Johannes Berg4fd69312007-12-19 02:03:35 +0100711}
712
713static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
714 u8 *mac, struct station_parameters *params)
715{
Johannes Berg14db74b2008-07-29 13:22:52 +0200716 struct ieee80211_local *local = wiphy_priv(wiphy);
Johannes Berg4fd69312007-12-19 02:03:35 +0100717 struct sta_info *sta;
718 struct ieee80211_sub_if_data *sdata;
Johannes Berg73651ee2008-02-25 16:27:47 +0100719 int err;
Jouni Malinenb8d476c2008-12-12 17:08:31 +0200720 int layer2_update;
Johannes Berg4fd69312007-12-19 02:03:35 +0100721
Johannes Berg4fd69312007-12-19 02:03:35 +0100722 if (params->vlan) {
723 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
724
Johannes Berg05c914f2008-09-11 00:01:58 +0200725 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
726 sdata->vif.type != NL80211_IFTYPE_AP)
Johannes Berg4fd69312007-12-19 02:03:35 +0100727 return -EINVAL;
728 } else
729 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
730
Johannes Berg47846c92009-11-25 17:46:19 +0100731 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
Johannes Berg03e44972008-02-27 09:56:40 +0100732 return -EINVAL;
733
734 if (is_multicast_ether_addr(mac))
735 return -EINVAL;
736
737 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
Johannes Berg73651ee2008-02-25 16:27:47 +0100738 if (!sta)
739 return -ENOMEM;
Johannes Berg4fd69312007-12-19 02:03:35 +0100740
741 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
742
743 sta_apply_parameters(local, sta, params);
744
Johannes Berg4b7679a2008-09-18 18:14:18 +0200745 rate_control_rate_init(sta);
Johannes Berg4fd69312007-12-19 02:03:35 +0100746
Jouni Malinenb8d476c2008-12-12 17:08:31 +0200747 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
748 sdata->vif.type == NL80211_IFTYPE_AP;
749
Johannes Berg73651ee2008-02-25 16:27:47 +0100750 rcu_read_lock();
751
752 err = sta_info_insert(sta);
753 if (err) {
Johannes Berg73651ee2008-02-25 16:27:47 +0100754 rcu_read_unlock();
755 return err;
756 }
757
Jouni Malinenb8d476c2008-12-12 17:08:31 +0200758 if (layer2_update)
Johannes Berg73651ee2008-02-25 16:27:47 +0100759 ieee80211_send_layer2_update(sta);
760
761 rcu_read_unlock();
762
Johannes Berg4fd69312007-12-19 02:03:35 +0100763 return 0;
764}
765
766static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
767 u8 *mac)
768{
Johannes Berg14db74b2008-07-29 13:22:52 +0200769 struct ieee80211_local *local = wiphy_priv(wiphy);
770 struct ieee80211_sub_if_data *sdata;
Johannes Berg4fd69312007-12-19 02:03:35 +0100771 struct sta_info *sta;
772
Johannes Berg14db74b2008-07-29 13:22:52 +0200773 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
774
Johannes Berg4fd69312007-12-19 02:03:35 +0100775 if (mac) {
Johannes Berg98dd6a52008-04-10 15:36:09 +0200776 rcu_read_lock();
777
Felix Fietkau0e5ded52010-01-08 18:10:58 +0100778 sta = sta_info_get_bss(sdata, mac);
Johannes Berg98dd6a52008-04-10 15:36:09 +0200779 if (!sta) {
780 rcu_read_unlock();
Johannes Berg4fd69312007-12-19 02:03:35 +0100781 return -ENOENT;
Johannes Berg98dd6a52008-04-10 15:36:09 +0200782 }
Johannes Berg4fd69312007-12-19 02:03:35 +0100783
Johannes Bergd0709a62008-02-25 16:27:46 +0100784 sta_info_unlink(&sta);
Johannes Berg98dd6a52008-04-10 15:36:09 +0200785 rcu_read_unlock();
786
Johannes Berg4f6fab42008-03-31 19:23:02 +0200787 sta_info_destroy(sta);
Johannes Berg4fd69312007-12-19 02:03:35 +0100788 } else
Johannes Bergd0709a62008-02-25 16:27:46 +0100789 sta_info_flush(local, sdata);
Johannes Berg4fd69312007-12-19 02:03:35 +0100790
791 return 0;
792}
793
794static int ieee80211_change_station(struct wiphy *wiphy,
795 struct net_device *dev,
796 u8 *mac,
797 struct station_parameters *params)
798{
Johannes Bergabe60632009-11-25 17:46:18 +0100799 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg14db74b2008-07-29 13:22:52 +0200800 struct ieee80211_local *local = wiphy_priv(wiphy);
Johannes Berg4fd69312007-12-19 02:03:35 +0100801 struct sta_info *sta;
802 struct ieee80211_sub_if_data *vlansdata;
803
Johannes Berg98dd6a52008-04-10 15:36:09 +0200804 rcu_read_lock();
805
Felix Fietkau0e5ded52010-01-08 18:10:58 +0100806 sta = sta_info_get_bss(sdata, mac);
Johannes Berg98dd6a52008-04-10 15:36:09 +0200807 if (!sta) {
808 rcu_read_unlock();
Johannes Berg4fd69312007-12-19 02:03:35 +0100809 return -ENOENT;
Johannes Berg98dd6a52008-04-10 15:36:09 +0200810 }
Johannes Berg4fd69312007-12-19 02:03:35 +0100811
Johannes Bergd0709a62008-02-25 16:27:46 +0100812 if (params->vlan && params->vlan != sta->sdata->dev) {
Johannes Berg4fd69312007-12-19 02:03:35 +0100813 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
814
Johannes Berg05c914f2008-09-11 00:01:58 +0200815 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
816 vlansdata->vif.type != NL80211_IFTYPE_AP) {
Johannes Berg98dd6a52008-04-10 15:36:09 +0200817 rcu_read_unlock();
Johannes Berg4fd69312007-12-19 02:03:35 +0100818 return -EINVAL;
Johannes Berg98dd6a52008-04-10 15:36:09 +0200819 }
Johannes Berg4fd69312007-12-19 02:03:35 +0100820
Johannes Berg9bc383d2009-11-19 11:55:19 +0100821 if (params->vlan->ieee80211_ptr->use_4addr) {
Johannes Berg33054432009-11-20 10:09:14 +0100822 if (vlansdata->u.vlan.sta) {
823 rcu_read_unlock();
Felix Fietkauf14543e2009-11-10 20:10:05 +0100824 return -EBUSY;
Johannes Berg33054432009-11-20 10:09:14 +0100825 }
Felix Fietkauf14543e2009-11-10 20:10:05 +0100826
827 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
828 }
829
Johannes Berg14db74b2008-07-29 13:22:52 +0200830 sta->sdata = vlansdata;
Johannes Berg4fd69312007-12-19 02:03:35 +0100831 ieee80211_send_layer2_update(sta);
832 }
833
834 sta_apply_parameters(local, sta, params);
835
Johannes Berg98dd6a52008-04-10 15:36:09 +0200836 rcu_read_unlock();
837
Johannes Berg4fd69312007-12-19 02:03:35 +0100838 return 0;
839}
840
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100841#ifdef CONFIG_MAC80211_MESH
842static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
843 u8 *dst, u8 *next_hop)
844{
Johannes Berg14db74b2008-07-29 13:22:52 +0200845 struct ieee80211_sub_if_data *sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100846 struct mesh_path *mpath;
847 struct sta_info *sta;
848 int err;
849
Johannes Berg14db74b2008-07-29 13:22:52 +0200850 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
851
Johannes Bergd0709a62008-02-25 16:27:46 +0100852 rcu_read_lock();
Johannes Bergabe60632009-11-25 17:46:18 +0100853 sta = sta_info_get(sdata, next_hop);
Johannes Bergd0709a62008-02-25 16:27:46 +0100854 if (!sta) {
855 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100856 return -ENOENT;
Johannes Bergd0709a62008-02-25 16:27:46 +0100857 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100858
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200859 err = mesh_path_add(dst, sdata);
Johannes Bergd0709a62008-02-25 16:27:46 +0100860 if (err) {
861 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100862 return err;
Johannes Bergd0709a62008-02-25 16:27:46 +0100863 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100864
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200865 mpath = mesh_path_lookup(dst, sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100866 if (!mpath) {
867 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100868 return -ENXIO;
869 }
870 mesh_path_fix_nexthop(mpath, sta);
Johannes Bergd0709a62008-02-25 16:27:46 +0100871
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100872 rcu_read_unlock();
873 return 0;
874}
875
876static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
877 u8 *dst)
878{
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200879 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100880
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200881 if (dst)
882 return mesh_path_del(dst, sdata);
883
884 mesh_path_flush(sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100885 return 0;
886}
887
888static int ieee80211_change_mpath(struct wiphy *wiphy,
889 struct net_device *dev,
890 u8 *dst, u8 *next_hop)
891{
Johannes Berg14db74b2008-07-29 13:22:52 +0200892 struct ieee80211_sub_if_data *sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100893 struct mesh_path *mpath;
894 struct sta_info *sta;
895
Johannes Berg14db74b2008-07-29 13:22:52 +0200896 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
897
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100898 rcu_read_lock();
Johannes Bergd0709a62008-02-25 16:27:46 +0100899
Johannes Bergabe60632009-11-25 17:46:18 +0100900 sta = sta_info_get(sdata, next_hop);
Johannes Bergd0709a62008-02-25 16:27:46 +0100901 if (!sta) {
902 rcu_read_unlock();
903 return -ENOENT;
904 }
905
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200906 mpath = mesh_path_lookup(dst, sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100907 if (!mpath) {
908 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100909 return -ENOENT;
910 }
911
912 mesh_path_fix_nexthop(mpath, sta);
Johannes Bergd0709a62008-02-25 16:27:46 +0100913
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100914 rcu_read_unlock();
915 return 0;
916}
917
918static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
919 struct mpath_info *pinfo)
920{
921 if (mpath->next_hop)
Johannes Berg17741cd2008-09-11 00:02:02 +0200922 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100923 else
924 memset(next_hop, 0, ETH_ALEN);
925
Johannes Bergf5ea9122009-08-07 16:17:38 +0200926 pinfo->generation = mesh_paths_generation;
927
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100928 pinfo->filled = MPATH_INFO_FRAME_QLEN |
Rui Paulod19b3bf2009-11-09 23:46:55 +0000929 MPATH_INFO_SN |
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100930 MPATH_INFO_METRIC |
931 MPATH_INFO_EXPTIME |
932 MPATH_INFO_DISCOVERY_TIMEOUT |
933 MPATH_INFO_DISCOVERY_RETRIES |
934 MPATH_INFO_FLAGS;
935
936 pinfo->frame_qlen = mpath->frame_queue.qlen;
Rui Paulod19b3bf2009-11-09 23:46:55 +0000937 pinfo->sn = mpath->sn;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100938 pinfo->metric = mpath->metric;
939 if (time_before(jiffies, mpath->exp_time))
940 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
941 pinfo->discovery_timeout =
942 jiffies_to_msecs(mpath->discovery_timeout);
943 pinfo->discovery_retries = mpath->discovery_retries;
944 pinfo->flags = 0;
945 if (mpath->flags & MESH_PATH_ACTIVE)
946 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
947 if (mpath->flags & MESH_PATH_RESOLVING)
948 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
Rui Paulod19b3bf2009-11-09 23:46:55 +0000949 if (mpath->flags & MESH_PATH_SN_VALID)
950 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100951 if (mpath->flags & MESH_PATH_FIXED)
952 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
953 if (mpath->flags & MESH_PATH_RESOLVING)
954 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
955
956 pinfo->flags = mpath->flags;
957}
958
959static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
960 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
961
962{
Johannes Berg14db74b2008-07-29 13:22:52 +0200963 struct ieee80211_sub_if_data *sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100964 struct mesh_path *mpath;
965
Johannes Berg14db74b2008-07-29 13:22:52 +0200966 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
967
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100968 rcu_read_lock();
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200969 mpath = mesh_path_lookup(dst, sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100970 if (!mpath) {
971 rcu_read_unlock();
972 return -ENOENT;
973 }
974 memcpy(dst, mpath->dst, ETH_ALEN);
975 mpath_set_pinfo(mpath, next_hop, pinfo);
976 rcu_read_unlock();
977 return 0;
978}
979
980static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
981 int idx, u8 *dst, u8 *next_hop,
982 struct mpath_info *pinfo)
983{
Johannes Berg14db74b2008-07-29 13:22:52 +0200984 struct ieee80211_sub_if_data *sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100985 struct mesh_path *mpath;
986
Johannes Berg14db74b2008-07-29 13:22:52 +0200987 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
988
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100989 rcu_read_lock();
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200990 mpath = mesh_path_lookup_by_idx(idx, sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100991 if (!mpath) {
992 rcu_read_unlock();
993 return -ENOENT;
994 }
995 memcpy(dst, mpath->dst, ETH_ALEN);
996 mpath_set_pinfo(mpath, next_hop, pinfo);
997 rcu_read_unlock();
998 return 0;
999}
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001000
1001static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1002 struct net_device *dev,
1003 struct mesh_config *conf)
1004{
1005 struct ieee80211_sub_if_data *sdata;
1006 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1007
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001008 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1009 return 0;
1010}
1011
1012static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1013{
1014 return (mask >> (parm-1)) & 0x1;
1015}
1016
1017static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1018 struct net_device *dev,
1019 const struct mesh_config *nconf, u32 mask)
1020{
1021 struct mesh_config *conf;
1022 struct ieee80211_sub_if_data *sdata;
Rui Paulo63c57232009-11-09 23:46:57 +00001023 struct ieee80211_if_mesh *ifmsh;
1024
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001025 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Rui Paulo63c57232009-11-09 23:46:57 +00001026 ifmsh = &sdata->u.mesh;
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001027
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001028 /* Set the config options which we are interested in setting */
1029 conf = &(sdata->u.mesh.mshcfg);
1030 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1031 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1032 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1033 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1034 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1035 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1036 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1037 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1038 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1039 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1040 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1041 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1042 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1043 conf->auto_open_plinks = nconf->auto_open_plinks;
1044 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1045 conf->dot11MeshHWMPmaxPREQretries =
1046 nconf->dot11MeshHWMPmaxPREQretries;
1047 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1048 conf->path_refresh_time = nconf->path_refresh_time;
1049 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1050 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1051 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1052 conf->dot11MeshHWMPactivePathTimeout =
1053 nconf->dot11MeshHWMPactivePathTimeout;
1054 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1055 conf->dot11MeshHWMPpreqMinInterval =
1056 nconf->dot11MeshHWMPpreqMinInterval;
1057 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1058 mask))
1059 conf->dot11MeshHWMPnetDiameterTraversalTime =
1060 nconf->dot11MeshHWMPnetDiameterTraversalTime;
Rui Paulo63c57232009-11-09 23:46:57 +00001061 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1062 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1063 ieee80211_mesh_root_setup(ifmsh);
1064 }
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001065 return 0;
1066}
1067
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +01001068#endif
1069
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001070static int ieee80211_change_bss(struct wiphy *wiphy,
1071 struct net_device *dev,
1072 struct bss_parameters *params)
1073{
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001074 struct ieee80211_sub_if_data *sdata;
1075 u32 changed = 0;
1076
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001077 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1078
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001079 if (params->use_cts_prot >= 0) {
Johannes Bergbda39332008-10-11 01:51:51 +02001080 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001081 changed |= BSS_CHANGED_ERP_CTS_PROT;
1082 }
1083 if (params->use_short_preamble >= 0) {
Johannes Bergbda39332008-10-11 01:51:51 +02001084 sdata->vif.bss_conf.use_short_preamble =
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001085 params->use_short_preamble;
1086 changed |= BSS_CHANGED_ERP_PREAMBLE;
1087 }
Felix Fietkau43d35342010-01-15 03:00:48 +01001088
1089 if (!sdata->vif.bss_conf.use_short_slot &&
1090 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1091 sdata->vif.bss_conf.use_short_slot = true;
1092 changed |= BSS_CHANGED_ERP_SLOT;
1093 }
1094
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001095 if (params->use_short_slot_time >= 0) {
Johannes Bergbda39332008-10-11 01:51:51 +02001096 sdata->vif.bss_conf.use_short_slot =
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001097 params->use_short_slot_time;
1098 changed |= BSS_CHANGED_ERP_SLOT;
1099 }
1100
Jouni Malinen90c97a02008-10-30 16:59:22 +02001101 if (params->basic_rates) {
1102 int i, j;
1103 u32 rates = 0;
1104 struct ieee80211_local *local = wiphy_priv(wiphy);
1105 struct ieee80211_supported_band *sband =
1106 wiphy->bands[local->oper_channel->band];
1107
1108 for (i = 0; i < params->basic_rates_len; i++) {
1109 int rate = (params->basic_rates[i] & 0x7f) * 5;
1110 for (j = 0; j < sband->n_bitrates; j++) {
1111 if (sband->bitrates[j].bitrate == rate)
1112 rates |= BIT(j);
1113 }
1114 }
1115 sdata->vif.bss_conf.basic_rates = rates;
1116 changed |= BSS_CHANGED_BASIC_RATES;
1117 }
1118
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001119 ieee80211_bss_info_change_notify(sdata, changed);
1120
1121 return 0;
1122}
1123
Jouni Malinen31888482008-10-30 16:59:24 +02001124static int ieee80211_set_txq_params(struct wiphy *wiphy,
1125 struct ieee80211_txq_params *params)
1126{
1127 struct ieee80211_local *local = wiphy_priv(wiphy);
1128 struct ieee80211_tx_queue_params p;
1129
1130 if (!local->ops->conf_tx)
1131 return -EOPNOTSUPP;
1132
1133 memset(&p, 0, sizeof(p));
1134 p.aifs = params->aifs;
1135 p.cw_max = params->cwmax;
1136 p.cw_min = params->cwmin;
1137 p.txop = params->txop;
Kalle Valoab133152010-01-12 10:42:31 +02001138
1139 /*
1140 * Setting tx queue params disables u-apsd because it's only
1141 * called in master mode.
1142 */
1143 p.uapsd = false;
1144
Johannes Berg24487982009-04-23 18:52:52 +02001145 if (drv_conf_tx(local, params->queue, &p)) {
Jouni Malinen31888482008-10-30 16:59:24 +02001146 printk(KERN_DEBUG "%s: failed to set TX queue "
Johannes Berg0bffe402009-06-09 16:18:32 +02001147 "parameters for queue %d\n",
1148 wiphy_name(local->hw.wiphy), params->queue);
Jouni Malinen31888482008-10-30 16:59:24 +02001149 return -EINVAL;
1150 }
1151
1152 return 0;
1153}
1154
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001155static int ieee80211_set_channel(struct wiphy *wiphy,
1156 struct ieee80211_channel *chan,
Sujith094d05d2008-12-12 11:57:43 +05301157 enum nl80211_channel_type channel_type)
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001158{
1159 struct ieee80211_local *local = wiphy_priv(wiphy);
1160
1161 local->oper_channel = chan;
Sujith094d05d2008-12-12 11:57:43 +05301162 local->oper_channel_type = channel_type;
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001163
1164 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1165}
1166
Bob Copeland665af4f2009-01-19 11:20:53 -05001167#ifdef CONFIG_PM
1168static int ieee80211_suspend(struct wiphy *wiphy)
1169{
1170 return __ieee80211_suspend(wiphy_priv(wiphy));
1171}
1172
1173static int ieee80211_resume(struct wiphy *wiphy)
1174{
1175 return __ieee80211_resume(wiphy_priv(wiphy));
1176}
1177#else
1178#define ieee80211_suspend NULL
1179#define ieee80211_resume NULL
1180#endif
1181
Johannes Berg2a519312009-02-10 21:25:55 +01001182static int ieee80211_scan(struct wiphy *wiphy,
1183 struct net_device *dev,
1184 struct cfg80211_scan_request *req)
1185{
1186 struct ieee80211_sub_if_data *sdata;
1187
Johannes Berg2a519312009-02-10 21:25:55 +01001188 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1189
1190 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1191 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
Jouni Malinen357303e2009-04-16 18:44:53 +03001192 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1193 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
Johannes Berg2a519312009-02-10 21:25:55 +01001194 return -EOPNOTSUPP;
1195
1196 return ieee80211_request_scan(sdata, req);
1197}
1198
Jouni Malinen636a5d32009-03-19 13:39:22 +02001199static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1200 struct cfg80211_auth_request *req)
1201{
Johannes Berg77fdaa12009-07-07 03:45:17 +02001202 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
Jouni Malinen636a5d32009-03-19 13:39:22 +02001203}
1204
1205static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1206 struct cfg80211_assoc_request *req)
1207{
Johannes Berg77fdaa12009-07-07 03:45:17 +02001208 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
Jouni Malinen636a5d32009-03-19 13:39:22 +02001209}
1210
1211static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg667503d2009-07-07 03:56:11 +02001212 struct cfg80211_deauth_request *req,
1213 void *cookie)
Jouni Malinen636a5d32009-03-19 13:39:22 +02001214{
Johannes Berg667503d2009-07-07 03:56:11 +02001215 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1216 req, cookie);
Jouni Malinen636a5d32009-03-19 13:39:22 +02001217}
1218
1219static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg667503d2009-07-07 03:56:11 +02001220 struct cfg80211_disassoc_request *req,
1221 void *cookie)
Jouni Malinen636a5d32009-03-19 13:39:22 +02001222{
Johannes Berg667503d2009-07-07 03:56:11 +02001223 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1224 req, cookie);
Jouni Malinen636a5d32009-03-19 13:39:22 +02001225}
1226
Johannes Bergaf8cdcd2009-04-19 21:25:43 +02001227static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1228 struct cfg80211_ibss_params *params)
1229{
1230 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1231
1232 return ieee80211_ibss_join(sdata, params);
1233}
1234
1235static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1236{
1237 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1238
1239 return ieee80211_ibss_leave(sdata);
1240}
1241
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001242static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1243{
1244 struct ieee80211_local *local = wiphy_priv(wiphy);
Johannes Berg24487982009-04-23 18:52:52 +02001245 int err;
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001246
Lukáš Turek310bc672009-12-21 22:50:48 +01001247 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1248 err = drv_set_coverage_class(local, wiphy->coverage_class);
1249
1250 if (err)
1251 return err;
1252 }
1253
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001254 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
Johannes Berg24487982009-04-23 18:52:52 +02001255 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001256
Johannes Berg24487982009-04-23 18:52:52 +02001257 if (err)
1258 return err;
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001259 }
1260
1261 if (changed & WIPHY_PARAM_RETRY_SHORT)
1262 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1263 if (changed & WIPHY_PARAM_RETRY_LONG)
1264 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1265 if (changed &
1266 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1267 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1268
1269 return 0;
1270}
1271
Johannes Berg7643a2c2009-06-02 13:01:39 +02001272static int ieee80211_set_tx_power(struct wiphy *wiphy,
1273 enum tx_power_setting type, int dbm)
1274{
1275 struct ieee80211_local *local = wiphy_priv(wiphy);
1276 struct ieee80211_channel *chan = local->hw.conf.channel;
1277 u32 changes = 0;
Johannes Berg7643a2c2009-06-02 13:01:39 +02001278
1279 switch (type) {
1280 case TX_POWER_AUTOMATIC:
1281 local->user_power_level = -1;
1282 break;
1283 case TX_POWER_LIMITED:
1284 if (dbm < 0)
1285 return -EINVAL;
1286 local->user_power_level = dbm;
1287 break;
1288 case TX_POWER_FIXED:
1289 if (dbm < 0)
1290 return -EINVAL;
1291 /* TODO: move to cfg80211 when it knows the channel */
1292 if (dbm > chan->max_power)
1293 return -EINVAL;
1294 local->user_power_level = dbm;
1295 break;
Johannes Berg7643a2c2009-06-02 13:01:39 +02001296 }
1297
1298 ieee80211_hw_config(local, changes);
1299
1300 return 0;
1301}
1302
1303static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1304{
1305 struct ieee80211_local *local = wiphy_priv(wiphy);
1306
1307 *dbm = local->hw.conf.power_level;
1308
Johannes Berg7643a2c2009-06-02 13:01:39 +02001309 return 0;
1310}
1311
Johannes Bergab737a42009-07-01 21:26:58 +02001312static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1313 u8 *addr)
1314{
1315 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1316
1317 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1318
1319 return 0;
1320}
1321
Johannes Berg1f87f7d2009-06-02 13:01:41 +02001322static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1323{
1324 struct ieee80211_local *local = wiphy_priv(wiphy);
1325
1326 drv_rfkill_poll(local);
1327}
1328
Johannes Bergaff89a92009-07-01 21:26:51 +02001329#ifdef CONFIG_NL80211_TESTMODE
Johannes Berg99783e22009-07-07 03:54:43 +02001330static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
Johannes Bergaff89a92009-07-01 21:26:51 +02001331{
1332 struct ieee80211_local *local = wiphy_priv(wiphy);
1333
1334 if (!local->ops->testmode_cmd)
1335 return -EOPNOTSUPP;
1336
1337 return local->ops->testmode_cmd(&local->hw, data, len);
1338}
1339#endif
1340
Johannes Berg0f782312009-12-01 13:37:02 +01001341int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1342 enum ieee80211_smps_mode smps_mode)
1343{
1344 const u8 *ap;
1345 enum ieee80211_smps_mode old_req;
1346 int err;
1347
1348 old_req = sdata->u.mgd.req_smps;
1349 sdata->u.mgd.req_smps = smps_mode;
1350
1351 if (old_req == smps_mode &&
1352 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1353 return 0;
1354
1355 /*
1356 * If not associated, or current association is not an HT
1357 * association, there's no need to send an action frame.
1358 */
1359 if (!sdata->u.mgd.associated ||
1360 sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
1361 mutex_lock(&sdata->local->iflist_mtx);
1362 ieee80211_recalc_smps(sdata->local, sdata);
1363 mutex_unlock(&sdata->local->iflist_mtx);
1364 return 0;
1365 }
1366
Johannes Berg0c1ad2c2009-12-23 13:15:39 +01001367 ap = sdata->u.mgd.associated->bssid;
Johannes Berg0f782312009-12-01 13:37:02 +01001368
1369 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1370 if (sdata->u.mgd.powersave)
1371 smps_mode = IEEE80211_SMPS_DYNAMIC;
1372 else
1373 smps_mode = IEEE80211_SMPS_OFF;
1374 }
1375
1376 /* send SM PS frame to AP */
1377 err = ieee80211_send_smps_action(sdata, smps_mode,
1378 ap, ap);
1379 if (err)
1380 sdata->u.mgd.req_smps = old_req;
1381
1382 return err;
1383}
1384
Johannes Bergbc92afd2009-07-01 21:26:57 +02001385static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1386 bool enabled, int timeout)
1387{
1388 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1389 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1390 struct ieee80211_conf *conf = &local->hw.conf;
1391
1392 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1393 return -EOPNOTSUPP;
1394
1395 if (enabled == sdata->u.mgd.powersave &&
1396 timeout == conf->dynamic_ps_timeout)
1397 return 0;
1398
1399 sdata->u.mgd.powersave = enabled;
1400 conf->dynamic_ps_timeout = timeout;
1401
Johannes Berg0f782312009-12-01 13:37:02 +01001402 /* no change, but if automatic follow powersave */
1403 mutex_lock(&sdata->u.mgd.mtx);
1404 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1405 mutex_unlock(&sdata->u.mgd.mtx);
1406
Johannes Bergbc92afd2009-07-01 21:26:57 +02001407 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1408 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1409
1410 ieee80211_recalc_ps(local, -1);
1411
1412 return 0;
1413}
1414
Johannes Berg99303802009-07-01 21:26:59 +02001415static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1416 struct net_device *dev,
1417 const u8 *addr,
1418 const struct cfg80211_bitrate_mask *mask)
1419{
1420 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1421 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001422 int i;
Johannes Berg99303802009-07-01 21:26:59 +02001423
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001424 /*
1425 * This _could_ be supported by providing a hook for
1426 * drivers for this function, but at this point it
1427 * doesn't seem worth bothering.
1428 */
1429 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1430 return -EOPNOTSUPP;
1431
Johannes Berg99303802009-07-01 21:26:59 +02001432
Jouni Malinen37eb0b12010-01-06 13:09:08 +02001433 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1434 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
Johannes Berg99303802009-07-01 21:26:59 +02001435
Jouni Malinen37eb0b12010-01-06 13:09:08 +02001436 return 0;
Johannes Berg99303802009-07-01 21:26:59 +02001437}
1438
Johannes Bergb8bc4b02009-12-23 13:15:42 +01001439static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1440 struct net_device *dev,
1441 struct ieee80211_channel *chan,
1442 enum nl80211_channel_type channel_type,
1443 unsigned int duration,
1444 u64 *cookie)
1445{
1446 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1447
1448 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1449 duration, cookie);
1450}
1451
1452static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1453 struct net_device *dev,
1454 u64 cookie)
1455{
1456 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1457
1458 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1459}
1460
Jiri Bencf0706e822007-05-05 11:45:53 -07001461struct cfg80211_ops mac80211_config_ops = {
1462 .add_virtual_intf = ieee80211_add_iface,
1463 .del_virtual_intf = ieee80211_del_iface,
Johannes Berg42613db2007-09-28 21:52:27 +02001464 .change_virtual_intf = ieee80211_change_iface,
Johannes Berge8cbb4c2007-12-19 02:03:30 +01001465 .add_key = ieee80211_add_key,
1466 .del_key = ieee80211_del_key,
Johannes Berg62da92f2007-12-19 02:03:31 +01001467 .get_key = ieee80211_get_key,
Johannes Berge8cbb4c2007-12-19 02:03:30 +01001468 .set_default_key = ieee80211_config_default_key,
Jouni Malinen3cfcf6a2009-01-08 13:32:02 +02001469 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
Johannes Berg5dfdaf52007-12-19 02:03:33 +01001470 .add_beacon = ieee80211_add_beacon,
1471 .set_beacon = ieee80211_set_beacon,
1472 .del_beacon = ieee80211_del_beacon,
Johannes Berg4fd69312007-12-19 02:03:35 +01001473 .add_station = ieee80211_add_station,
1474 .del_station = ieee80211_del_station,
1475 .change_station = ieee80211_change_station,
Johannes Berg7bbdd2d2007-12-19 02:03:37 +01001476 .get_station = ieee80211_get_station,
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +01001477 .dump_station = ieee80211_dump_station,
1478#ifdef CONFIG_MAC80211_MESH
1479 .add_mpath = ieee80211_add_mpath,
1480 .del_mpath = ieee80211_del_mpath,
1481 .change_mpath = ieee80211_change_mpath,
1482 .get_mpath = ieee80211_get_mpath,
1483 .dump_mpath = ieee80211_dump_mpath,
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001484 .set_mesh_params = ieee80211_set_mesh_params,
1485 .get_mesh_params = ieee80211_get_mesh_params,
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +01001486#endif
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001487 .change_bss = ieee80211_change_bss,
Jouni Malinen31888482008-10-30 16:59:24 +02001488 .set_txq_params = ieee80211_set_txq_params,
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001489 .set_channel = ieee80211_set_channel,
Bob Copeland665af4f2009-01-19 11:20:53 -05001490 .suspend = ieee80211_suspend,
1491 .resume = ieee80211_resume,
Johannes Berg2a519312009-02-10 21:25:55 +01001492 .scan = ieee80211_scan,
Jouni Malinen636a5d32009-03-19 13:39:22 +02001493 .auth = ieee80211_auth,
1494 .assoc = ieee80211_assoc,
1495 .deauth = ieee80211_deauth,
1496 .disassoc = ieee80211_disassoc,
Johannes Bergaf8cdcd2009-04-19 21:25:43 +02001497 .join_ibss = ieee80211_join_ibss,
1498 .leave_ibss = ieee80211_leave_ibss,
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001499 .set_wiphy_params = ieee80211_set_wiphy_params,
Johannes Berg7643a2c2009-06-02 13:01:39 +02001500 .set_tx_power = ieee80211_set_tx_power,
1501 .get_tx_power = ieee80211_get_tx_power,
Johannes Bergab737a42009-07-01 21:26:58 +02001502 .set_wds_peer = ieee80211_set_wds_peer,
Johannes Berg1f87f7d2009-06-02 13:01:41 +02001503 .rfkill_poll = ieee80211_rfkill_poll,
Johannes Bergaff89a92009-07-01 21:26:51 +02001504 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
Johannes Bergbc92afd2009-07-01 21:26:57 +02001505 .set_power_mgmt = ieee80211_set_power_mgmt,
Johannes Berg99303802009-07-01 21:26:59 +02001506 .set_bitrate_mask = ieee80211_set_bitrate_mask,
Johannes Bergb8bc4b02009-12-23 13:15:42 +01001507 .remain_on_channel = ieee80211_remain_on_channel,
1508 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
Jiri Bencf0706e822007-05-05 11:45:53 -07001509};