blob: 63843e3e576a2164dc2d768f82b442448aa3ee3d [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 Berg42613db2007-09-28 21:52:27 +020081 struct ieee80211_sub_if_data *sdata;
Johannes Bergf3947e22008-07-09 14:40:36 +020082 int ret;
Johannes Berg42613db2007-09-28 21:52:27 +020083
Johannes Bergc1f9a762009-11-01 19:25:40 +010084 if (netif_running(dev))
85 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
90 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
91
Johannes Berg05c914f2008-09-11 00:01:58 +020092 ret = ieee80211_if_change_type(sdata, type);
Johannes Bergf3947e22008-07-09 14:40:36 +020093 if (ret)
94 return ret;
Johannes Berg42613db2007-09-28 21:52:27 +020095
Johannes Berg902acc72008-02-23 15:17:19 +010096 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
Johannes Berg472dbc42008-09-11 00:01:49 +020097 ieee80211_sdata_set_mesh_id(sdata,
98 params->mesh_id_len,
99 params->mesh_id);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100100
Johannes Berg05c914f2008-09-11 00:01:58 +0200101 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
Michael Wu8cc9a732008-01-31 19:48:23 +0100102 return 0;
103
Johannes Berg9bc383d2009-11-19 11:55:19 +0100104 if (type == NL80211_IFTYPE_AP_VLAN &&
105 params && params->use_4addr == 0)
106 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
107 else if (type == NL80211_IFTYPE_STATION &&
108 params && params->use_4addr >= 0)
109 sdata->u.mgd.use_4addr = params->use_4addr;
110
Michael Wu8cc9a732008-01-31 19:48:23 +0100111 sdata->u.mntr_flags = *flags;
Johannes Berg42613db2007-09-28 21:52:27 +0200112 return 0;
113}
114
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100115static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg4e943902009-05-09 20:06:47 +0200116 u8 key_idx, const u8 *mac_addr,
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100117 struct key_params *params)
118{
119 struct ieee80211_sub_if_data *sdata;
120 struct sta_info *sta = NULL;
121 enum ieee80211_key_alg alg;
Johannes Bergdb4d1162008-02-25 16:27:45 +0100122 struct ieee80211_key *key;
Johannes Berg3b967662008-04-08 17:56:52 +0200123 int err;
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100124
125 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
126
127 switch (params->cipher) {
128 case WLAN_CIPHER_SUITE_WEP40:
129 case WLAN_CIPHER_SUITE_WEP104:
130 alg = ALG_WEP;
131 break;
132 case WLAN_CIPHER_SUITE_TKIP:
133 alg = ALG_TKIP;
134 break;
135 case WLAN_CIPHER_SUITE_CCMP:
136 alg = ALG_CCMP;
137 break;
Jouni Malinen3cfcf6a2009-01-08 13:32:02 +0200138 case WLAN_CIPHER_SUITE_AES_CMAC:
139 alg = ALG_AES_CMAC;
140 break;
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100141 default:
142 return -EINVAL;
143 }
144
Jouni Malinenfaa8fdc2009-05-11 21:57:58 +0300145 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
146 params->seq_len, params->seq);
Johannes Bergdb4d1162008-02-25 16:27:45 +0100147 if (!key)
148 return -ENOMEM;
149
Johannes Berg3b967662008-04-08 17:56:52 +0200150 rcu_read_lock();
151
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100152 if (mac_addr) {
Johannes Bergabe60632009-11-25 17:46:18 +0100153 sta = sta_info_get(sdata, mac_addr);
Johannes Bergdb4d1162008-02-25 16:27:45 +0100154 if (!sta) {
155 ieee80211_key_free(key);
Johannes Berg3b967662008-04-08 17:56:52 +0200156 err = -ENOENT;
157 goto out_unlock;
Johannes Bergdb4d1162008-02-25 16:27:45 +0100158 }
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100159 }
160
Johannes Bergdb4d1162008-02-25 16:27:45 +0100161 ieee80211_key_link(key, sdata, sta);
162
Johannes Berg3b967662008-04-08 17:56:52 +0200163 err = 0;
164 out_unlock:
165 rcu_read_unlock();
166
167 return err;
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100168}
169
170static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg4e943902009-05-09 20:06:47 +0200171 u8 key_idx, const u8 *mac_addr)
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100172{
173 struct ieee80211_sub_if_data *sdata;
174 struct sta_info *sta;
175 int ret;
176
177 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
178
Johannes Berg3b967662008-04-08 17:56:52 +0200179 rcu_read_lock();
180
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100181 if (mac_addr) {
Johannes Berg3b967662008-04-08 17:56:52 +0200182 ret = -ENOENT;
183
Johannes Bergabe60632009-11-25 17:46:18 +0100184 sta = sta_info_get(sdata, mac_addr);
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100185 if (!sta)
Johannes Berg3b967662008-04-08 17:56:52 +0200186 goto out_unlock;
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100187
Johannes Bergdb4d1162008-02-25 16:27:45 +0100188 if (sta->key) {
Johannes Bergd0709a62008-02-25 16:27:46 +0100189 ieee80211_key_free(sta->key);
Johannes Bergdb4d1162008-02-25 16:27:45 +0100190 WARN_ON(sta->key);
Johannes Berg3b967662008-04-08 17:56:52 +0200191 ret = 0;
192 }
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100193
Johannes Berg3b967662008-04-08 17:56:52 +0200194 goto out_unlock;
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100195 }
196
Johannes Berg3b967662008-04-08 17:56:52 +0200197 if (!sdata->keys[key_idx]) {
198 ret = -ENOENT;
199 goto out_unlock;
200 }
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100201
Johannes Bergd0709a62008-02-25 16:27:46 +0100202 ieee80211_key_free(sdata->keys[key_idx]);
Johannes Bergdb4d1162008-02-25 16:27:45 +0100203 WARN_ON(sdata->keys[key_idx]);
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100204
Johannes Berg3b967662008-04-08 17:56:52 +0200205 ret = 0;
206 out_unlock:
207 rcu_read_unlock();
208
209 return ret;
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100210}
211
Johannes Berg62da92f2007-12-19 02:03:31 +0100212static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg4e943902009-05-09 20:06:47 +0200213 u8 key_idx, const u8 *mac_addr, void *cookie,
Johannes Berg62da92f2007-12-19 02:03:31 +0100214 void (*callback)(void *cookie,
215 struct key_params *params))
216{
Johannes Berg14db74b2008-07-29 13:22:52 +0200217 struct ieee80211_sub_if_data *sdata;
Johannes Berg62da92f2007-12-19 02:03:31 +0100218 struct sta_info *sta = NULL;
219 u8 seq[6] = {0};
220 struct key_params params;
221 struct ieee80211_key *key;
222 u32 iv32;
223 u16 iv16;
224 int err = -ENOENT;
225
Johannes Berg14db74b2008-07-29 13:22:52 +0200226 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
227
Johannes Berg3b967662008-04-08 17:56:52 +0200228 rcu_read_lock();
229
Johannes Berg62da92f2007-12-19 02:03:31 +0100230 if (mac_addr) {
Johannes Bergabe60632009-11-25 17:46:18 +0100231 sta = sta_info_get(sdata, mac_addr);
Johannes Berg62da92f2007-12-19 02:03:31 +0100232 if (!sta)
233 goto out;
234
235 key = sta->key;
236 } else
237 key = sdata->keys[key_idx];
238
239 if (!key)
240 goto out;
241
242 memset(&params, 0, sizeof(params));
243
244 switch (key->conf.alg) {
245 case ALG_TKIP:
246 params.cipher = WLAN_CIPHER_SUITE_TKIP;
247
Harvey Harrisonb0f76b32008-05-14 16:26:19 -0700248 iv32 = key->u.tkip.tx.iv32;
249 iv16 = key->u.tkip.tx.iv16;
Johannes Berg62da92f2007-12-19 02:03:31 +0100250
Johannes Berg24487982009-04-23 18:52:52 +0200251 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
252 drv_get_tkip_seq(sdata->local,
253 key->conf.hw_key_idx,
254 &iv32, &iv16);
Johannes Berg62da92f2007-12-19 02:03:31 +0100255
256 seq[0] = iv16 & 0xff;
257 seq[1] = (iv16 >> 8) & 0xff;
258 seq[2] = iv32 & 0xff;
259 seq[3] = (iv32 >> 8) & 0xff;
260 seq[4] = (iv32 >> 16) & 0xff;
261 seq[5] = (iv32 >> 24) & 0xff;
262 params.seq = seq;
263 params.seq_len = 6;
264 break;
265 case ALG_CCMP:
266 params.cipher = WLAN_CIPHER_SUITE_CCMP;
267 seq[0] = key->u.ccmp.tx_pn[5];
268 seq[1] = key->u.ccmp.tx_pn[4];
269 seq[2] = key->u.ccmp.tx_pn[3];
270 seq[3] = key->u.ccmp.tx_pn[2];
271 seq[4] = key->u.ccmp.tx_pn[1];
272 seq[5] = key->u.ccmp.tx_pn[0];
273 params.seq = seq;
274 params.seq_len = 6;
275 break;
276 case ALG_WEP:
277 if (key->conf.keylen == 5)
278 params.cipher = WLAN_CIPHER_SUITE_WEP40;
279 else
280 params.cipher = WLAN_CIPHER_SUITE_WEP104;
281 break;
Jouni Malinen3cfcf6a2009-01-08 13:32:02 +0200282 case ALG_AES_CMAC:
283 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
284 seq[0] = key->u.aes_cmac.tx_pn[5];
285 seq[1] = key->u.aes_cmac.tx_pn[4];
286 seq[2] = key->u.aes_cmac.tx_pn[3];
287 seq[3] = key->u.aes_cmac.tx_pn[2];
288 seq[4] = key->u.aes_cmac.tx_pn[1];
289 seq[5] = key->u.aes_cmac.tx_pn[0];
290 params.seq = seq;
291 params.seq_len = 6;
292 break;
Johannes Berg62da92f2007-12-19 02:03:31 +0100293 }
294
295 params.key = key->conf.key;
296 params.key_len = key->conf.keylen;
297
298 callback(cookie, &params);
299 err = 0;
300
301 out:
Johannes Berg3b967662008-04-08 17:56:52 +0200302 rcu_read_unlock();
Johannes Berg62da92f2007-12-19 02:03:31 +0100303 return err;
304}
305
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100306static int ieee80211_config_default_key(struct wiphy *wiphy,
307 struct net_device *dev,
308 u8 key_idx)
309{
310 struct ieee80211_sub_if_data *sdata;
311
Johannes Berg3b967662008-04-08 17:56:52 +0200312 rcu_read_lock();
313
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100314 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
315 ieee80211_set_default_key(sdata, key_idx);
316
Johannes Berg3b967662008-04-08 17:56:52 +0200317 rcu_read_unlock();
318
Johannes Berge8cbb4c2007-12-19 02:03:30 +0100319 return 0;
320}
321
Jouni Malinen3cfcf6a2009-01-08 13:32:02 +0200322static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
323 struct net_device *dev,
324 u8 key_idx)
325{
326 struct ieee80211_sub_if_data *sdata;
327
328 rcu_read_lock();
329
330 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
331 ieee80211_set_default_mgmt_key(sdata, key_idx);
332
333 rcu_read_unlock();
334
335 return 0;
336}
337
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100338static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
339{
Johannes Bergd0709a62008-02-25 16:27:46 +0100340 struct ieee80211_sub_if_data *sdata = sta->sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100341
Johannes Bergf5ea9122009-08-07 16:17:38 +0200342 sinfo->generation = sdata->local->sta_generation;
343
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100344 sinfo->filled = STATION_INFO_INACTIVE_TIME |
345 STATION_INFO_RX_BYTES |
Henning Rogge420e7fa2008-12-11 22:04:19 +0100346 STATION_INFO_TX_BYTES |
Jouni Malinen98c8a60a2009-02-17 13:24:57 +0200347 STATION_INFO_RX_PACKETS |
348 STATION_INFO_TX_PACKETS |
Henning Rogge420e7fa2008-12-11 22:04:19 +0100349 STATION_INFO_TX_BITRATE;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100350
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;
Jouni Malinen98c8a60a2009-02-17 13:24:57 +0200354 sinfo->rx_packets = sta->rx_packets;
355 sinfo->tx_packets = sta->tx_packets;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100356
John W. Linville19deffb2009-12-08 17:10:13 -0500357 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
358 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
Henning Rogge420e7fa2008-12-11 22:04:19 +0100359 sinfo->filled |= STATION_INFO_SIGNAL;
360 sinfo->signal = (s8)sta->last_signal;
361 }
362
363 sinfo->txrate.flags = 0;
364 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
365 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
366 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
367 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
368 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
369 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
370
371 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
372 struct ieee80211_supported_band *sband;
373 sband = sta->local->hw.wiphy->bands[
374 sta->local->hw.conf.channel->band];
375 sinfo->txrate.legacy =
376 sband->bitrates[sta->last_tx_rate.idx].bitrate;
377 } else
378 sinfo->txrate.mcs = sta->last_tx_rate.idx;
379
Johannes Berg902acc72008-02-23 15:17:19 +0100380 if (ieee80211_vif_is_mesh(&sdata->vif)) {
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100381#ifdef CONFIG_MAC80211_MESH
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100382 sinfo->filled |= STATION_INFO_LLID |
383 STATION_INFO_PLID |
384 STATION_INFO_PLINK_STATE;
385
386 sinfo->llid = le16_to_cpu(sta->llid);
387 sinfo->plid = le16_to_cpu(sta->plid);
388 sinfo->plink_state = sta->plink_state;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100389#endif
Johannes Berg902acc72008-02-23 15:17:19 +0100390 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100391}
392
393
394static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
395 int idx, u8 *mac, struct station_info *sinfo)
396{
Johannes Berg3b53fde82009-11-16 12:00:37 +0100397 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100398 struct sta_info *sta;
Johannes Bergd0709a62008-02-25 16:27:46 +0100399 int ret = -ENOENT;
400
401 rcu_read_lock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100402
Johannes Berg3b53fde82009-11-16 12:00:37 +0100403 sta = sta_info_get_by_idx(sdata, idx);
Johannes Bergd0709a62008-02-25 16:27:46 +0100404 if (sta) {
405 ret = 0;
Johannes Berg17741cd2008-09-11 00:02:02 +0200406 memcpy(mac, sta->sta.addr, ETH_ALEN);
Johannes Bergd0709a62008-02-25 16:27:46 +0100407 sta_set_sinfo(sta, sinfo);
408 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100409
Johannes Bergd0709a62008-02-25 16:27:46 +0100410 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100411
Johannes Bergd0709a62008-02-25 16:27:46 +0100412 return ret;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100413}
414
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100415static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100416 u8 *mac, struct station_info *sinfo)
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100417{
Johannes Bergabe60632009-11-25 17:46:18 +0100418 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100419 struct sta_info *sta;
Johannes Bergd0709a62008-02-25 16:27:46 +0100420 int ret = -ENOENT;
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100421
Johannes Bergd0709a62008-02-25 16:27:46 +0100422 rcu_read_lock();
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100423
Johannes Bergabe60632009-11-25 17:46:18 +0100424 sta = sta_info_get(sdata, mac);
Johannes Bergd0709a62008-02-25 16:27:46 +0100425 if (sta) {
426 ret = 0;
427 sta_set_sinfo(sta, sinfo);
428 }
429
430 rcu_read_unlock();
431
432 return ret;
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100433}
434
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100435/*
436 * This handles both adding a beacon and setting new beacon info
437 */
438static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
439 struct beacon_parameters *params)
440{
441 struct beacon_data *new, *old;
442 int new_head_len, new_tail_len;
443 int size;
444 int err = -EINVAL;
445
446 old = sdata->u.ap.beacon;
447
448 /* head must not be zero-length */
449 if (params->head && !params->head_len)
450 return -EINVAL;
451
452 /*
453 * This is a kludge. beacon interval should really be part
454 * of the beacon information.
455 */
Johannes Berg57c4d7b2009-04-23 16:10:04 +0200456 if (params->interval &&
457 (sdata->vif.bss_conf.beacon_int != params->interval)) {
458 sdata->vif.bss_conf.beacon_int = params->interval;
459 ieee80211_bss_info_change_notify(sdata,
460 BSS_CHANGED_BEACON_INT);
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100461 }
462
463 /* Need to have a beacon head if we don't have one yet */
464 if (!params->head && !old)
465 return err;
466
467 /* sorry, no way to start beaconing without dtim period */
468 if (!params->dtim_period && !old)
469 return err;
470
471 /* new or old head? */
472 if (params->head)
473 new_head_len = params->head_len;
474 else
475 new_head_len = old->head_len;
476
477 /* new or old tail? */
478 if (params->tail || !old)
479 /* params->tail_len will be zero for !params->tail */
480 new_tail_len = params->tail_len;
481 else
482 new_tail_len = old->tail_len;
483
484 size = sizeof(*new) + new_head_len + new_tail_len;
485
486 new = kzalloc(size, GFP_KERNEL);
487 if (!new)
488 return -ENOMEM;
489
490 /* start filling the new info now */
491
492 /* new or old dtim period? */
493 if (params->dtim_period)
494 new->dtim_period = params->dtim_period;
495 else
496 new->dtim_period = old->dtim_period;
497
498 /*
499 * pointers go into the block we allocated,
500 * memory is | beacon_data | head | tail |
501 */
502 new->head = ((u8 *) new) + sizeof(*new);
503 new->tail = new->head + new_head_len;
504 new->head_len = new_head_len;
505 new->tail_len = new_tail_len;
506
507 /* copy in head */
508 if (params->head)
509 memcpy(new->head, params->head, new_head_len);
510 else
511 memcpy(new->head, old->head, new_head_len);
512
513 /* copy in optional tail */
514 if (params->tail)
515 memcpy(new->tail, params->tail, new_tail_len);
516 else
517 if (old)
518 memcpy(new->tail, old->tail, new_tail_len);
519
520 rcu_assign_pointer(sdata->u.ap.beacon, new);
521
522 synchronize_rcu();
523
524 kfree(old);
525
Johannes Berg2d0ddec2009-04-23 16:13:26 +0200526 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
527 BSS_CHANGED_BEACON);
528 return 0;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100529}
530
531static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
532 struct beacon_parameters *params)
533{
Johannes Berg14db74b2008-07-29 13:22:52 +0200534 struct ieee80211_sub_if_data *sdata;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100535 struct beacon_data *old;
536
Johannes Berg14db74b2008-07-29 13:22:52 +0200537 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
538
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100539 old = sdata->u.ap.beacon;
540
541 if (old)
542 return -EALREADY;
543
544 return ieee80211_config_beacon(sdata, params);
545}
546
547static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
548 struct beacon_parameters *params)
549{
Johannes Berg14db74b2008-07-29 13:22:52 +0200550 struct ieee80211_sub_if_data *sdata;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100551 struct beacon_data *old;
552
Johannes Berg14db74b2008-07-29 13:22:52 +0200553 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
554
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100555 old = sdata->u.ap.beacon;
556
557 if (!old)
558 return -ENOENT;
559
560 return ieee80211_config_beacon(sdata, params);
561}
562
563static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
564{
Johannes Berg14db74b2008-07-29 13:22:52 +0200565 struct ieee80211_sub_if_data *sdata;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100566 struct beacon_data *old;
567
Johannes Berg14db74b2008-07-29 13:22:52 +0200568 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
569
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100570 old = sdata->u.ap.beacon;
571
572 if (!old)
573 return -ENOENT;
574
575 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
576 synchronize_rcu();
577 kfree(old);
578
Johannes Berg2d0ddec2009-04-23 16:13:26 +0200579 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
580 return 0;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100581}
582
Johannes Berg4fd69312007-12-19 02:03:35 +0100583/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
584struct iapp_layer2_update {
585 u8 da[ETH_ALEN]; /* broadcast */
586 u8 sa[ETH_ALEN]; /* STA addr */
587 __be16 len; /* 6 */
588 u8 dsap; /* 0 */
589 u8 ssap; /* 0 */
590 u8 control;
591 u8 xid_info[3];
592} __attribute__ ((packed));
593
594static void ieee80211_send_layer2_update(struct sta_info *sta)
595{
596 struct iapp_layer2_update *msg;
597 struct sk_buff *skb;
598
599 /* Send Level 2 Update Frame to update forwarding tables in layer 2
600 * bridge devices */
601
602 skb = dev_alloc_skb(sizeof(*msg));
603 if (!skb)
604 return;
605 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
606
607 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
608 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
609
610 memset(msg->da, 0xff, ETH_ALEN);
Johannes Berg17741cd2008-09-11 00:02:02 +0200611 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
Johannes Berg4fd69312007-12-19 02:03:35 +0100612 msg->len = htons(6);
613 msg->dsap = 0;
614 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
615 msg->control = 0xaf; /* XID response lsb.1111F101.
616 * F=0 (no poll command; unsolicited frame) */
617 msg->xid_info[0] = 0x81; /* XID format identifier */
618 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
619 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
620
Johannes Bergd0709a62008-02-25 16:27:46 +0100621 skb->dev = sta->sdata->dev;
622 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
Johannes Berg4fd69312007-12-19 02:03:35 +0100623 memset(skb->cb, 0, sizeof(skb->cb));
624 netif_rx(skb);
625}
626
627static void sta_apply_parameters(struct ieee80211_local *local,
628 struct sta_info *sta,
629 struct station_parameters *params)
630{
631 u32 rates;
632 int i, j;
Johannes Berg8318d782008-01-24 19:38:38 +0100633 struct ieee80211_supported_band *sband;
Johannes Bergd0709a62008-02-25 16:27:46 +0100634 struct ieee80211_sub_if_data *sdata = sta->sdata;
Johannes Bergeccb8e82009-05-11 21:57:56 +0300635 u32 mask, set;
Johannes Berg4fd69312007-12-19 02:03:35 +0100636
Johannes Bergae5eb022008-10-14 16:58:37 +0200637 sband = local->hw.wiphy->bands[local->oper_channel->band];
638
Johannes Bergeccb8e82009-05-11 21:57:56 +0300639 spin_lock_bh(&sta->lock);
640 mask = params->sta_flags_mask;
641 set = params->sta_flags_set;
Johannes Berg73651ee2008-02-25 16:27:47 +0100642
Johannes Bergeccb8e82009-05-11 21:57:56 +0300643 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
Johannes Berg4fd69312007-12-19 02:03:35 +0100644 sta->flags &= ~WLAN_STA_AUTHORIZED;
Johannes Bergeccb8e82009-05-11 21:57:56 +0300645 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
Johannes Berg4fd69312007-12-19 02:03:35 +0100646 sta->flags |= WLAN_STA_AUTHORIZED;
Johannes Berg4fd69312007-12-19 02:03:35 +0100647 }
648
Johannes Bergeccb8e82009-05-11 21:57:56 +0300649 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
650 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
651 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
652 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
653 }
654
655 if (mask & BIT(NL80211_STA_FLAG_WME)) {
656 sta->flags &= ~WLAN_STA_WME;
657 if (set & BIT(NL80211_STA_FLAG_WME))
658 sta->flags |= WLAN_STA_WME;
659 }
660
661 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
662 sta->flags &= ~WLAN_STA_MFP;
663 if (set & BIT(NL80211_STA_FLAG_MFP))
664 sta->flags |= WLAN_STA_MFP;
665 }
666 spin_unlock_bh(&sta->lock);
667
Johannes Berg73651ee2008-02-25 16:27:47 +0100668 /*
Johannes Berg51b50fb2009-05-24 16:42:30 +0200669 * cfg80211 validates this (1-2007) and allows setting the AID
670 * only when creating a new station entry
671 */
672 if (params->aid)
673 sta->sta.aid = params->aid;
674
675 /*
Johannes Berg73651ee2008-02-25 16:27:47 +0100676 * FIXME: updating the following information is racy when this
677 * function is called from ieee80211_change_station().
678 * However, all this information should be static so
679 * maybe we should just reject attemps to change it.
680 */
681
Johannes Berg4fd69312007-12-19 02:03:35 +0100682 if (params->listen_interval >= 0)
683 sta->listen_interval = params->listen_interval;
684
685 if (params->supported_rates) {
686 rates = 0;
Johannes Berg8318d782008-01-24 19:38:38 +0100687
Johannes Berg4fd69312007-12-19 02:03:35 +0100688 for (i = 0; i < params->supported_rates_len; i++) {
689 int rate = (params->supported_rates[i] & 0x7f) * 5;
Johannes Berg8318d782008-01-24 19:38:38 +0100690 for (j = 0; j < sband->n_bitrates; j++) {
691 if (sband->bitrates[j].bitrate == rate)
Johannes Berg4fd69312007-12-19 02:03:35 +0100692 rates |= BIT(j);
693 }
694 }
Johannes Berg323ce792008-09-11 02:45:11 +0200695 sta->sta.supp_rates[local->oper_channel->band] = rates;
Johannes Berg4fd69312007-12-19 02:03:35 +0100696 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100697
Johannes Bergd9fe60d2008-10-09 12:13:49 +0200698 if (params->ht_capa)
Johannes Bergae5eb022008-10-14 16:58:37 +0200699 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
700 params->ht_capa,
Johannes Bergd9fe60d2008-10-09 12:13:49 +0200701 &sta->sta.ht_cap);
Jouni Malinen36aedc92008-08-25 11:58:58 +0300702
Johannes Berg902acc72008-02-23 15:17:19 +0100703 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100704 switch (params->plink_action) {
705 case PLINK_ACTION_OPEN:
706 mesh_plink_open(sta);
707 break;
708 case PLINK_ACTION_BLOCK:
709 mesh_plink_block(sta);
710 break;
711 }
Johannes Berg902acc72008-02-23 15:17:19 +0100712 }
Johannes Berg4fd69312007-12-19 02:03:35 +0100713}
714
715static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
716 u8 *mac, struct station_parameters *params)
717{
Johannes Berg14db74b2008-07-29 13:22:52 +0200718 struct ieee80211_local *local = wiphy_priv(wiphy);
Johannes Berg4fd69312007-12-19 02:03:35 +0100719 struct sta_info *sta;
720 struct ieee80211_sub_if_data *sdata;
Johannes Berg73651ee2008-02-25 16:27:47 +0100721 int err;
Jouni Malinenb8d476c2008-12-12 17:08:31 +0200722 int layer2_update;
Johannes Berg4fd69312007-12-19 02:03:35 +0100723
Johannes Berg4fd69312007-12-19 02:03:35 +0100724 if (params->vlan) {
725 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
726
Johannes Berg05c914f2008-09-11 00:01:58 +0200727 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
728 sdata->vif.type != NL80211_IFTYPE_AP)
Johannes Berg4fd69312007-12-19 02:03:35 +0100729 return -EINVAL;
730 } else
731 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
732
Johannes Berg47846c92009-11-25 17:46:19 +0100733 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
Johannes Berg03e44972008-02-27 09:56:40 +0100734 return -EINVAL;
735
736 if (is_multicast_ether_addr(mac))
737 return -EINVAL;
738
739 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
Johannes Berg73651ee2008-02-25 16:27:47 +0100740 if (!sta)
741 return -ENOMEM;
Johannes Berg4fd69312007-12-19 02:03:35 +0100742
743 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
744
745 sta_apply_parameters(local, sta, params);
746
Johannes Berg4b7679a2008-09-18 18:14:18 +0200747 rate_control_rate_init(sta);
Johannes Berg4fd69312007-12-19 02:03:35 +0100748
Jouni Malinenb8d476c2008-12-12 17:08:31 +0200749 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
750 sdata->vif.type == NL80211_IFTYPE_AP;
751
Johannes Berg73651ee2008-02-25 16:27:47 +0100752 rcu_read_lock();
753
754 err = sta_info_insert(sta);
755 if (err) {
Johannes Berg73651ee2008-02-25 16:27:47 +0100756 rcu_read_unlock();
757 return err;
758 }
759
Jouni Malinenb8d476c2008-12-12 17:08:31 +0200760 if (layer2_update)
Johannes Berg73651ee2008-02-25 16:27:47 +0100761 ieee80211_send_layer2_update(sta);
762
763 rcu_read_unlock();
764
Johannes Berg4fd69312007-12-19 02:03:35 +0100765 return 0;
766}
767
768static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
769 u8 *mac)
770{
Johannes Berg14db74b2008-07-29 13:22:52 +0200771 struct ieee80211_local *local = wiphy_priv(wiphy);
772 struct ieee80211_sub_if_data *sdata;
Johannes Berg4fd69312007-12-19 02:03:35 +0100773 struct sta_info *sta;
774
Johannes Berg14db74b2008-07-29 13:22:52 +0200775 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
776
Johannes Berg4fd69312007-12-19 02:03:35 +0100777 if (mac) {
Johannes Berg98dd6a52008-04-10 15:36:09 +0200778 rcu_read_lock();
779
Johannes Bergabe60632009-11-25 17:46:18 +0100780 sta = sta_info_get(sdata, mac);
Johannes Berg98dd6a52008-04-10 15:36:09 +0200781 if (!sta) {
782 rcu_read_unlock();
Johannes Berg4fd69312007-12-19 02:03:35 +0100783 return -ENOENT;
Johannes Berg98dd6a52008-04-10 15:36:09 +0200784 }
Johannes Berg4fd69312007-12-19 02:03:35 +0100785
Johannes Bergd0709a62008-02-25 16:27:46 +0100786 sta_info_unlink(&sta);
Johannes Berg98dd6a52008-04-10 15:36:09 +0200787 rcu_read_unlock();
788
Johannes Berg4f6fab42008-03-31 19:23:02 +0200789 sta_info_destroy(sta);
Johannes Berg4fd69312007-12-19 02:03:35 +0100790 } else
Johannes Bergd0709a62008-02-25 16:27:46 +0100791 sta_info_flush(local, sdata);
Johannes Berg4fd69312007-12-19 02:03:35 +0100792
793 return 0;
794}
795
796static int ieee80211_change_station(struct wiphy *wiphy,
797 struct net_device *dev,
798 u8 *mac,
799 struct station_parameters *params)
800{
Johannes Bergabe60632009-11-25 17:46:18 +0100801 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg14db74b2008-07-29 13:22:52 +0200802 struct ieee80211_local *local = wiphy_priv(wiphy);
Johannes Berg4fd69312007-12-19 02:03:35 +0100803 struct sta_info *sta;
804 struct ieee80211_sub_if_data *vlansdata;
805
Johannes Berg98dd6a52008-04-10 15:36:09 +0200806 rcu_read_lock();
807
Johannes Bergabe60632009-11-25 17:46:18 +0100808 sta = sta_info_get(sdata, mac);
Johannes Berg98dd6a52008-04-10 15:36:09 +0200809 if (!sta) {
810 rcu_read_unlock();
Johannes Berg4fd69312007-12-19 02:03:35 +0100811 return -ENOENT;
Johannes Berg98dd6a52008-04-10 15:36:09 +0200812 }
Johannes Berg4fd69312007-12-19 02:03:35 +0100813
Johannes Bergd0709a62008-02-25 16:27:46 +0100814 if (params->vlan && params->vlan != sta->sdata->dev) {
Johannes Berg4fd69312007-12-19 02:03:35 +0100815 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
816
Johannes Berg05c914f2008-09-11 00:01:58 +0200817 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
818 vlansdata->vif.type != NL80211_IFTYPE_AP) {
Johannes Berg98dd6a52008-04-10 15:36:09 +0200819 rcu_read_unlock();
Johannes Berg4fd69312007-12-19 02:03:35 +0100820 return -EINVAL;
Johannes Berg98dd6a52008-04-10 15:36:09 +0200821 }
Johannes Berg4fd69312007-12-19 02:03:35 +0100822
Johannes Berg9bc383d2009-11-19 11:55:19 +0100823 if (params->vlan->ieee80211_ptr->use_4addr) {
Johannes Berg33054432009-11-20 10:09:14 +0100824 if (vlansdata->u.vlan.sta) {
825 rcu_read_unlock();
Felix Fietkauf14543e2009-11-10 20:10:05 +0100826 return -EBUSY;
Johannes Berg33054432009-11-20 10:09:14 +0100827 }
Felix Fietkauf14543e2009-11-10 20:10:05 +0100828
829 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
830 }
831
Johannes Berg14db74b2008-07-29 13:22:52 +0200832 sta->sdata = vlansdata;
Johannes Berg4fd69312007-12-19 02:03:35 +0100833 ieee80211_send_layer2_update(sta);
834 }
835
836 sta_apply_parameters(local, sta, params);
837
Johannes Berg98dd6a52008-04-10 15:36:09 +0200838 rcu_read_unlock();
839
Johannes Berg4fd69312007-12-19 02:03:35 +0100840 return 0;
841}
842
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100843#ifdef CONFIG_MAC80211_MESH
844static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
845 u8 *dst, u8 *next_hop)
846{
Johannes Berg14db74b2008-07-29 13:22:52 +0200847 struct ieee80211_sub_if_data *sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100848 struct mesh_path *mpath;
849 struct sta_info *sta;
850 int err;
851
Johannes Berg14db74b2008-07-29 13:22:52 +0200852 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
853
Johannes Bergd0709a62008-02-25 16:27:46 +0100854 rcu_read_lock();
Johannes Bergabe60632009-11-25 17:46:18 +0100855 sta = sta_info_get(sdata, next_hop);
Johannes Bergd0709a62008-02-25 16:27:46 +0100856 if (!sta) {
857 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100858 return -ENOENT;
Johannes Bergd0709a62008-02-25 16:27:46 +0100859 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100860
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200861 err = mesh_path_add(dst, sdata);
Johannes Bergd0709a62008-02-25 16:27:46 +0100862 if (err) {
863 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100864 return err;
Johannes Bergd0709a62008-02-25 16:27:46 +0100865 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100866
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200867 mpath = mesh_path_lookup(dst, sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100868 if (!mpath) {
869 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100870 return -ENXIO;
871 }
872 mesh_path_fix_nexthop(mpath, sta);
Johannes Bergd0709a62008-02-25 16:27:46 +0100873
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100874 rcu_read_unlock();
875 return 0;
876}
877
878static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
879 u8 *dst)
880{
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200881 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100882
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200883 if (dst)
884 return mesh_path_del(dst, sdata);
885
886 mesh_path_flush(sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100887 return 0;
888}
889
890static int ieee80211_change_mpath(struct wiphy *wiphy,
891 struct net_device *dev,
892 u8 *dst, u8 *next_hop)
893{
Johannes Berg14db74b2008-07-29 13:22:52 +0200894 struct ieee80211_sub_if_data *sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100895 struct mesh_path *mpath;
896 struct sta_info *sta;
897
Johannes Berg14db74b2008-07-29 13:22:52 +0200898 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
899
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100900 rcu_read_lock();
Johannes Bergd0709a62008-02-25 16:27:46 +0100901
Johannes Bergabe60632009-11-25 17:46:18 +0100902 sta = sta_info_get(sdata, next_hop);
Johannes Bergd0709a62008-02-25 16:27:46 +0100903 if (!sta) {
904 rcu_read_unlock();
905 return -ENOENT;
906 }
907
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200908 mpath = mesh_path_lookup(dst, sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100909 if (!mpath) {
910 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100911 return -ENOENT;
912 }
913
914 mesh_path_fix_nexthop(mpath, sta);
Johannes Bergd0709a62008-02-25 16:27:46 +0100915
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100916 rcu_read_unlock();
917 return 0;
918}
919
920static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
921 struct mpath_info *pinfo)
922{
923 if (mpath->next_hop)
Johannes Berg17741cd2008-09-11 00:02:02 +0200924 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100925 else
926 memset(next_hop, 0, ETH_ALEN);
927
Johannes Bergf5ea9122009-08-07 16:17:38 +0200928 pinfo->generation = mesh_paths_generation;
929
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100930 pinfo->filled = MPATH_INFO_FRAME_QLEN |
Rui Paulod19b3bf2009-11-09 23:46:55 +0000931 MPATH_INFO_SN |
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100932 MPATH_INFO_METRIC |
933 MPATH_INFO_EXPTIME |
934 MPATH_INFO_DISCOVERY_TIMEOUT |
935 MPATH_INFO_DISCOVERY_RETRIES |
936 MPATH_INFO_FLAGS;
937
938 pinfo->frame_qlen = mpath->frame_queue.qlen;
Rui Paulod19b3bf2009-11-09 23:46:55 +0000939 pinfo->sn = mpath->sn;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100940 pinfo->metric = mpath->metric;
941 if (time_before(jiffies, mpath->exp_time))
942 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
943 pinfo->discovery_timeout =
944 jiffies_to_msecs(mpath->discovery_timeout);
945 pinfo->discovery_retries = mpath->discovery_retries;
946 pinfo->flags = 0;
947 if (mpath->flags & MESH_PATH_ACTIVE)
948 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
949 if (mpath->flags & MESH_PATH_RESOLVING)
950 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
Rui Paulod19b3bf2009-11-09 23:46:55 +0000951 if (mpath->flags & MESH_PATH_SN_VALID)
952 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100953 if (mpath->flags & MESH_PATH_FIXED)
954 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
955 if (mpath->flags & MESH_PATH_RESOLVING)
956 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
957
958 pinfo->flags = mpath->flags;
959}
960
961static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
962 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
963
964{
Johannes Berg14db74b2008-07-29 13:22:52 +0200965 struct ieee80211_sub_if_data *sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100966 struct mesh_path *mpath;
967
Johannes Berg14db74b2008-07-29 13:22:52 +0200968 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
969
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100970 rcu_read_lock();
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200971 mpath = mesh_path_lookup(dst, sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100972 if (!mpath) {
973 rcu_read_unlock();
974 return -ENOENT;
975 }
976 memcpy(dst, mpath->dst, ETH_ALEN);
977 mpath_set_pinfo(mpath, next_hop, pinfo);
978 rcu_read_unlock();
979 return 0;
980}
981
982static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
983 int idx, u8 *dst, u8 *next_hop,
984 struct mpath_info *pinfo)
985{
Johannes Berg14db74b2008-07-29 13:22:52 +0200986 struct ieee80211_sub_if_data *sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100987 struct mesh_path *mpath;
988
Johannes Berg14db74b2008-07-29 13:22:52 +0200989 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
990
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100991 rcu_read_lock();
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200992 mpath = mesh_path_lookup_by_idx(idx, sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100993 if (!mpath) {
994 rcu_read_unlock();
995 return -ENOENT;
996 }
997 memcpy(dst, mpath->dst, ETH_ALEN);
998 mpath_set_pinfo(mpath, next_hop, pinfo);
999 rcu_read_unlock();
1000 return 0;
1001}
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001002
1003static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1004 struct net_device *dev,
1005 struct mesh_config *conf)
1006{
1007 struct ieee80211_sub_if_data *sdata;
1008 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1009
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001010 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1011 return 0;
1012}
1013
1014static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1015{
1016 return (mask >> (parm-1)) & 0x1;
1017}
1018
1019static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1020 struct net_device *dev,
1021 const struct mesh_config *nconf, u32 mask)
1022{
1023 struct mesh_config *conf;
1024 struct ieee80211_sub_if_data *sdata;
Rui Paulo63c57232009-11-09 23:46:57 +00001025 struct ieee80211_if_mesh *ifmsh;
1026
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001027 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Rui Paulo63c57232009-11-09 23:46:57 +00001028 ifmsh = &sdata->u.mesh;
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001029
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001030 /* Set the config options which we are interested in setting */
1031 conf = &(sdata->u.mesh.mshcfg);
1032 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1033 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1034 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1035 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1036 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1037 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1038 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1039 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1040 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1041 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1042 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1043 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1044 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1045 conf->auto_open_plinks = nconf->auto_open_plinks;
1046 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1047 conf->dot11MeshHWMPmaxPREQretries =
1048 nconf->dot11MeshHWMPmaxPREQretries;
1049 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1050 conf->path_refresh_time = nconf->path_refresh_time;
1051 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1052 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1053 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1054 conf->dot11MeshHWMPactivePathTimeout =
1055 nconf->dot11MeshHWMPactivePathTimeout;
1056 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1057 conf->dot11MeshHWMPpreqMinInterval =
1058 nconf->dot11MeshHWMPpreqMinInterval;
1059 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1060 mask))
1061 conf->dot11MeshHWMPnetDiameterTraversalTime =
1062 nconf->dot11MeshHWMPnetDiameterTraversalTime;
Rui Paulo63c57232009-11-09 23:46:57 +00001063 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1064 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1065 ieee80211_mesh_root_setup(ifmsh);
1066 }
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001067 return 0;
1068}
1069
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +01001070#endif
1071
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001072static int ieee80211_change_bss(struct wiphy *wiphy,
1073 struct net_device *dev,
1074 struct bss_parameters *params)
1075{
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001076 struct ieee80211_sub_if_data *sdata;
1077 u32 changed = 0;
1078
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001079 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1080
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001081 if (params->use_cts_prot >= 0) {
Johannes Bergbda39332008-10-11 01:51:51 +02001082 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001083 changed |= BSS_CHANGED_ERP_CTS_PROT;
1084 }
1085 if (params->use_short_preamble >= 0) {
Johannes Bergbda39332008-10-11 01:51:51 +02001086 sdata->vif.bss_conf.use_short_preamble =
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001087 params->use_short_preamble;
1088 changed |= BSS_CHANGED_ERP_PREAMBLE;
1089 }
1090 if (params->use_short_slot_time >= 0) {
Johannes Bergbda39332008-10-11 01:51:51 +02001091 sdata->vif.bss_conf.use_short_slot =
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001092 params->use_short_slot_time;
1093 changed |= BSS_CHANGED_ERP_SLOT;
1094 }
1095
Jouni Malinen90c97a02008-10-30 16:59:22 +02001096 if (params->basic_rates) {
1097 int i, j;
1098 u32 rates = 0;
1099 struct ieee80211_local *local = wiphy_priv(wiphy);
1100 struct ieee80211_supported_band *sband =
1101 wiphy->bands[local->oper_channel->band];
1102
1103 for (i = 0; i < params->basic_rates_len; i++) {
1104 int rate = (params->basic_rates[i] & 0x7f) * 5;
1105 for (j = 0; j < sband->n_bitrates; j++) {
1106 if (sband->bitrates[j].bitrate == rate)
1107 rates |= BIT(j);
1108 }
1109 }
1110 sdata->vif.bss_conf.basic_rates = rates;
1111 changed |= BSS_CHANGED_BASIC_RATES;
1112 }
1113
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001114 ieee80211_bss_info_change_notify(sdata, changed);
1115
1116 return 0;
1117}
1118
Jouni Malinen31888482008-10-30 16:59:24 +02001119static int ieee80211_set_txq_params(struct wiphy *wiphy,
1120 struct ieee80211_txq_params *params)
1121{
1122 struct ieee80211_local *local = wiphy_priv(wiphy);
1123 struct ieee80211_tx_queue_params p;
1124
1125 if (!local->ops->conf_tx)
1126 return -EOPNOTSUPP;
1127
1128 memset(&p, 0, sizeof(p));
1129 p.aifs = params->aifs;
1130 p.cw_max = params->cwmax;
1131 p.cw_min = params->cwmin;
1132 p.txop = params->txop;
Johannes Berg24487982009-04-23 18:52:52 +02001133 if (drv_conf_tx(local, params->queue, &p)) {
Jouni Malinen31888482008-10-30 16:59:24 +02001134 printk(KERN_DEBUG "%s: failed to set TX queue "
Johannes Berg0bffe402009-06-09 16:18:32 +02001135 "parameters for queue %d\n",
1136 wiphy_name(local->hw.wiphy), params->queue);
Jouni Malinen31888482008-10-30 16:59:24 +02001137 return -EINVAL;
1138 }
1139
1140 return 0;
1141}
1142
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001143static int ieee80211_set_channel(struct wiphy *wiphy,
1144 struct ieee80211_channel *chan,
Sujith094d05d2008-12-12 11:57:43 +05301145 enum nl80211_channel_type channel_type)
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001146{
1147 struct ieee80211_local *local = wiphy_priv(wiphy);
1148
1149 local->oper_channel = chan;
Sujith094d05d2008-12-12 11:57:43 +05301150 local->oper_channel_type = channel_type;
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001151
1152 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1153}
1154
Bob Copeland665af4f2009-01-19 11:20:53 -05001155#ifdef CONFIG_PM
1156static int ieee80211_suspend(struct wiphy *wiphy)
1157{
1158 return __ieee80211_suspend(wiphy_priv(wiphy));
1159}
1160
1161static int ieee80211_resume(struct wiphy *wiphy)
1162{
1163 return __ieee80211_resume(wiphy_priv(wiphy));
1164}
1165#else
1166#define ieee80211_suspend NULL
1167#define ieee80211_resume NULL
1168#endif
1169
Johannes Berg2a519312009-02-10 21:25:55 +01001170static int ieee80211_scan(struct wiphy *wiphy,
1171 struct net_device *dev,
1172 struct cfg80211_scan_request *req)
1173{
1174 struct ieee80211_sub_if_data *sdata;
1175
Johannes Berg2a519312009-02-10 21:25:55 +01001176 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1177
1178 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1179 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
Jouni Malinen357303e2009-04-16 18:44:53 +03001180 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1181 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
Johannes Berg2a519312009-02-10 21:25:55 +01001182 return -EOPNOTSUPP;
1183
1184 return ieee80211_request_scan(sdata, req);
1185}
1186
Jouni Malinen636a5d32009-03-19 13:39:22 +02001187static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1188 struct cfg80211_auth_request *req)
1189{
Johannes Berg77fdaa12009-07-07 03:45:17 +02001190 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
Jouni Malinen636a5d32009-03-19 13:39:22 +02001191}
1192
1193static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1194 struct cfg80211_assoc_request *req)
1195{
Johannes Berg77fdaa12009-07-07 03:45:17 +02001196 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
Jouni Malinen636a5d32009-03-19 13:39:22 +02001197}
1198
1199static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg667503d2009-07-07 03:56:11 +02001200 struct cfg80211_deauth_request *req,
1201 void *cookie)
Jouni Malinen636a5d32009-03-19 13:39:22 +02001202{
Johannes Berg667503d2009-07-07 03:56:11 +02001203 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1204 req, cookie);
Jouni Malinen636a5d32009-03-19 13:39:22 +02001205}
1206
1207static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg667503d2009-07-07 03:56:11 +02001208 struct cfg80211_disassoc_request *req,
1209 void *cookie)
Jouni Malinen636a5d32009-03-19 13:39:22 +02001210{
Johannes Berg667503d2009-07-07 03:56:11 +02001211 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1212 req, cookie);
Jouni Malinen636a5d32009-03-19 13:39:22 +02001213}
1214
Johannes Bergaf8cdcd2009-04-19 21:25:43 +02001215static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1216 struct cfg80211_ibss_params *params)
1217{
1218 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1219
1220 return ieee80211_ibss_join(sdata, params);
1221}
1222
1223static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1224{
1225 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1226
1227 return ieee80211_ibss_leave(sdata);
1228}
1229
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001230static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1231{
1232 struct ieee80211_local *local = wiphy_priv(wiphy);
Johannes Berg24487982009-04-23 18:52:52 +02001233 int err;
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001234
1235 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
Johannes Berg24487982009-04-23 18:52:52 +02001236 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001237
Johannes Berg24487982009-04-23 18:52:52 +02001238 if (err)
1239 return err;
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001240 }
1241
1242 if (changed & WIPHY_PARAM_RETRY_SHORT)
1243 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1244 if (changed & WIPHY_PARAM_RETRY_LONG)
1245 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1246 if (changed &
1247 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1248 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1249
1250 return 0;
1251}
1252
Johannes Berg7643a2c2009-06-02 13:01:39 +02001253static int ieee80211_set_tx_power(struct wiphy *wiphy,
1254 enum tx_power_setting type, int dbm)
1255{
1256 struct ieee80211_local *local = wiphy_priv(wiphy);
1257 struct ieee80211_channel *chan = local->hw.conf.channel;
1258 u32 changes = 0;
Johannes Berg7643a2c2009-06-02 13:01:39 +02001259
1260 switch (type) {
1261 case TX_POWER_AUTOMATIC:
1262 local->user_power_level = -1;
1263 break;
1264 case TX_POWER_LIMITED:
1265 if (dbm < 0)
1266 return -EINVAL;
1267 local->user_power_level = dbm;
1268 break;
1269 case TX_POWER_FIXED:
1270 if (dbm < 0)
1271 return -EINVAL;
1272 /* TODO: move to cfg80211 when it knows the channel */
1273 if (dbm > chan->max_power)
1274 return -EINVAL;
1275 local->user_power_level = dbm;
1276 break;
Johannes Berg7643a2c2009-06-02 13:01:39 +02001277 }
1278
1279 ieee80211_hw_config(local, changes);
1280
1281 return 0;
1282}
1283
1284static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1285{
1286 struct ieee80211_local *local = wiphy_priv(wiphy);
1287
1288 *dbm = local->hw.conf.power_level;
1289
Johannes Berg7643a2c2009-06-02 13:01:39 +02001290 return 0;
1291}
1292
Johannes Bergab737a42009-07-01 21:26:58 +02001293static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1294 u8 *addr)
1295{
1296 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1297
1298 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1299
1300 return 0;
1301}
1302
Johannes Berg1f87f7d2009-06-02 13:01:41 +02001303static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1304{
1305 struct ieee80211_local *local = wiphy_priv(wiphy);
1306
1307 drv_rfkill_poll(local);
1308}
1309
Johannes Bergaff89a92009-07-01 21:26:51 +02001310#ifdef CONFIG_NL80211_TESTMODE
Johannes Berg99783e22009-07-07 03:54:43 +02001311static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
Johannes Bergaff89a92009-07-01 21:26:51 +02001312{
1313 struct ieee80211_local *local = wiphy_priv(wiphy);
1314
1315 if (!local->ops->testmode_cmd)
1316 return -EOPNOTSUPP;
1317
1318 return local->ops->testmode_cmd(&local->hw, data, len);
1319}
1320#endif
1321
Johannes Berg0f782312009-12-01 13:37:02 +01001322int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1323 enum ieee80211_smps_mode smps_mode)
1324{
1325 const u8 *ap;
1326 enum ieee80211_smps_mode old_req;
1327 int err;
1328
1329 old_req = sdata->u.mgd.req_smps;
1330 sdata->u.mgd.req_smps = smps_mode;
1331
1332 if (old_req == smps_mode &&
1333 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1334 return 0;
1335
1336 /*
1337 * If not associated, or current association is not an HT
1338 * association, there's no need to send an action frame.
1339 */
1340 if (!sdata->u.mgd.associated ||
1341 sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
1342 mutex_lock(&sdata->local->iflist_mtx);
1343 ieee80211_recalc_smps(sdata->local, sdata);
1344 mutex_unlock(&sdata->local->iflist_mtx);
1345 return 0;
1346 }
1347
1348 ap = sdata->u.mgd.associated->cbss.bssid;
1349
1350 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1351 if (sdata->u.mgd.powersave)
1352 smps_mode = IEEE80211_SMPS_DYNAMIC;
1353 else
1354 smps_mode = IEEE80211_SMPS_OFF;
1355 }
1356
1357 /* send SM PS frame to AP */
1358 err = ieee80211_send_smps_action(sdata, smps_mode,
1359 ap, ap);
1360 if (err)
1361 sdata->u.mgd.req_smps = old_req;
1362
1363 return err;
1364}
1365
Johannes Bergbc92afd2009-07-01 21:26:57 +02001366static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1367 bool enabled, int timeout)
1368{
1369 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1370 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1371 struct ieee80211_conf *conf = &local->hw.conf;
1372
1373 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1374 return -EOPNOTSUPP;
1375
1376 if (enabled == sdata->u.mgd.powersave &&
1377 timeout == conf->dynamic_ps_timeout)
1378 return 0;
1379
1380 sdata->u.mgd.powersave = enabled;
1381 conf->dynamic_ps_timeout = timeout;
1382
Johannes Berg0f782312009-12-01 13:37:02 +01001383 /* no change, but if automatic follow powersave */
1384 mutex_lock(&sdata->u.mgd.mtx);
1385 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1386 mutex_unlock(&sdata->u.mgd.mtx);
1387
Johannes Bergbc92afd2009-07-01 21:26:57 +02001388 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1389 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1390
1391 ieee80211_recalc_ps(local, -1);
1392
1393 return 0;
1394}
1395
Johannes Berg99303802009-07-01 21:26:59 +02001396static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1397 struct net_device *dev,
1398 const u8 *addr,
1399 const struct cfg80211_bitrate_mask *mask)
1400{
1401 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1402 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001403 int i;
Johannes Berg99303802009-07-01 21:26:59 +02001404 u32 target_rate;
1405 struct ieee80211_supported_band *sband;
1406
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001407 /*
1408 * This _could_ be supported by providing a hook for
1409 * drivers for this function, but at this point it
1410 * doesn't seem worth bothering.
1411 */
1412 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1413 return -EOPNOTSUPP;
1414
Johannes Berg99303802009-07-01 21:26:59 +02001415 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
1416
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001417 /*
1418 * target_rate = -1, rate->fixed = 0 means auto only, so use all rates
Johannes Berg99303802009-07-01 21:26:59 +02001419 * target_rate = X, rate->fixed = 1 means only rate X
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001420 * target_rate = X, rate->fixed = 0 means all rates <= X
1421 */
Johannes Berg99303802009-07-01 21:26:59 +02001422 sdata->max_ratectrl_rateidx = -1;
1423 sdata->force_unicast_rateidx = -1;
1424
1425 if (mask->fixed)
1426 target_rate = mask->fixed / 100;
1427 else if (mask->maxrate)
1428 target_rate = mask->maxrate / 100;
1429 else
1430 return 0;
1431
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001432 for (i = 0; i< sband->n_bitrates; i++) {
1433 if (target_rate != sband->bitrates[i].bitrate)
1434 continue;
Johannes Berg99303802009-07-01 21:26:59 +02001435
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001436 /* requested bitrate found */
1437 sdata->max_ratectrl_rateidx = i;
1438 if (mask->fixed)
1439 sdata->force_unicast_rateidx = i;
1440 return 0;
Johannes Berg99303802009-07-01 21:26:59 +02001441 }
1442
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001443 return -EINVAL;
Johannes Berg99303802009-07-01 21:26:59 +02001444}
1445
Jiri Bencf0706e822007-05-05 11:45:53 -07001446struct cfg80211_ops mac80211_config_ops = {
1447 .add_virtual_intf = ieee80211_add_iface,
1448 .del_virtual_intf = ieee80211_del_iface,
Johannes Berg42613db2007-09-28 21:52:27 +02001449 .change_virtual_intf = ieee80211_change_iface,
Johannes Berge8cbb4c2007-12-19 02:03:30 +01001450 .add_key = ieee80211_add_key,
1451 .del_key = ieee80211_del_key,
Johannes Berg62da92f2007-12-19 02:03:31 +01001452 .get_key = ieee80211_get_key,
Johannes Berge8cbb4c2007-12-19 02:03:30 +01001453 .set_default_key = ieee80211_config_default_key,
Jouni Malinen3cfcf6a2009-01-08 13:32:02 +02001454 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
Johannes Berg5dfdaf52007-12-19 02:03:33 +01001455 .add_beacon = ieee80211_add_beacon,
1456 .set_beacon = ieee80211_set_beacon,
1457 .del_beacon = ieee80211_del_beacon,
Johannes Berg4fd69312007-12-19 02:03:35 +01001458 .add_station = ieee80211_add_station,
1459 .del_station = ieee80211_del_station,
1460 .change_station = ieee80211_change_station,
Johannes Berg7bbdd2d2007-12-19 02:03:37 +01001461 .get_station = ieee80211_get_station,
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +01001462 .dump_station = ieee80211_dump_station,
1463#ifdef CONFIG_MAC80211_MESH
1464 .add_mpath = ieee80211_add_mpath,
1465 .del_mpath = ieee80211_del_mpath,
1466 .change_mpath = ieee80211_change_mpath,
1467 .get_mpath = ieee80211_get_mpath,
1468 .dump_mpath = ieee80211_dump_mpath,
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001469 .set_mesh_params = ieee80211_set_mesh_params,
1470 .get_mesh_params = ieee80211_get_mesh_params,
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +01001471#endif
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001472 .change_bss = ieee80211_change_bss,
Jouni Malinen31888482008-10-30 16:59:24 +02001473 .set_txq_params = ieee80211_set_txq_params,
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001474 .set_channel = ieee80211_set_channel,
Bob Copeland665af4f2009-01-19 11:20:53 -05001475 .suspend = ieee80211_suspend,
1476 .resume = ieee80211_resume,
Johannes Berg2a519312009-02-10 21:25:55 +01001477 .scan = ieee80211_scan,
Jouni Malinen636a5d32009-03-19 13:39:22 +02001478 .auth = ieee80211_auth,
1479 .assoc = ieee80211_assoc,
1480 .deauth = ieee80211_deauth,
1481 .disassoc = ieee80211_disassoc,
Johannes Bergaf8cdcd2009-04-19 21:25:43 +02001482 .join_ibss = ieee80211_join_ibss,
1483 .leave_ibss = ieee80211_leave_ibss,
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001484 .set_wiphy_params = ieee80211_set_wiphy_params,
Johannes Berg7643a2c2009-06-02 13:01:39 +02001485 .set_tx_power = ieee80211_set_tx_power,
1486 .get_tx_power = ieee80211_get_tx_power,
Johannes Bergab737a42009-07-01 21:26:58 +02001487 .set_wds_peer = ieee80211_set_wds_peer,
Johannes Berg1f87f7d2009-06-02 13:01:41 +02001488 .rfkill_poll = ieee80211_rfkill_poll,
Johannes Bergaff89a92009-07-01 21:26:51 +02001489 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
Johannes Bergbc92afd2009-07-01 21:26:57 +02001490 .set_power_mgmt = ieee80211_set_power_mgmt,
Johannes Berg99303802009-07-01 21:26:59 +02001491 .set_bitrate_mask = ieee80211_set_bitrate_mask,
Jiri Bencf0706e822007-05-05 11:45:53 -07001492};