blob: f07c4abefe567ba26c9aaf493f7dd8903d5a6d41 [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
Henning Rogge420e7fa2008-12-11 22:04:19 +0100357 if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
358 sinfo->filled |= STATION_INFO_SIGNAL;
359 sinfo->signal = (s8)sta->last_signal;
360 }
361
362 sinfo->txrate.flags = 0;
363 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
364 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
365 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
366 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
367 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
368 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
369
370 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
371 struct ieee80211_supported_band *sband;
372 sband = sta->local->hw.wiphy->bands[
373 sta->local->hw.conf.channel->band];
374 sinfo->txrate.legacy =
375 sband->bitrates[sta->last_tx_rate.idx].bitrate;
376 } else
377 sinfo->txrate.mcs = sta->last_tx_rate.idx;
378
Johannes Berg902acc72008-02-23 15:17:19 +0100379 if (ieee80211_vif_is_mesh(&sdata->vif)) {
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100380#ifdef CONFIG_MAC80211_MESH
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100381 sinfo->filled |= STATION_INFO_LLID |
382 STATION_INFO_PLID |
383 STATION_INFO_PLINK_STATE;
384
385 sinfo->llid = le16_to_cpu(sta->llid);
386 sinfo->plid = le16_to_cpu(sta->plid);
387 sinfo->plink_state = sta->plink_state;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100388#endif
Johannes Berg902acc72008-02-23 15:17:19 +0100389 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100390}
391
392
393static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
394 int idx, u8 *mac, struct station_info *sinfo)
395{
Johannes Berg3b53fde82009-11-16 12:00:37 +0100396 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100397 struct sta_info *sta;
Johannes Bergd0709a62008-02-25 16:27:46 +0100398 int ret = -ENOENT;
399
400 rcu_read_lock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100401
Johannes Berg3b53fde82009-11-16 12:00:37 +0100402 sta = sta_info_get_by_idx(sdata, idx);
Johannes Bergd0709a62008-02-25 16:27:46 +0100403 if (sta) {
404 ret = 0;
Johannes Berg17741cd2008-09-11 00:02:02 +0200405 memcpy(mac, sta->sta.addr, ETH_ALEN);
Johannes Bergd0709a62008-02-25 16:27:46 +0100406 sta_set_sinfo(sta, sinfo);
407 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100408
Johannes Bergd0709a62008-02-25 16:27:46 +0100409 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100410
Johannes Bergd0709a62008-02-25 16:27:46 +0100411 return ret;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100412}
413
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100414static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100415 u8 *mac, struct station_info *sinfo)
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100416{
Johannes Bergabe60632009-11-25 17:46:18 +0100417 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100418 struct sta_info *sta;
Johannes Bergd0709a62008-02-25 16:27:46 +0100419 int ret = -ENOENT;
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100420
Johannes Bergd0709a62008-02-25 16:27:46 +0100421 rcu_read_lock();
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100422
Johannes Bergabe60632009-11-25 17:46:18 +0100423 sta = sta_info_get(sdata, mac);
Johannes Bergd0709a62008-02-25 16:27:46 +0100424 if (sta) {
425 ret = 0;
426 sta_set_sinfo(sta, sinfo);
427 }
428
429 rcu_read_unlock();
430
431 return ret;
Johannes Berg7bbdd2d2007-12-19 02:03:37 +0100432}
433
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100434/*
435 * This handles both adding a beacon and setting new beacon info
436 */
437static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
438 struct beacon_parameters *params)
439{
440 struct beacon_data *new, *old;
441 int new_head_len, new_tail_len;
442 int size;
443 int err = -EINVAL;
444
445 old = sdata->u.ap.beacon;
446
447 /* head must not be zero-length */
448 if (params->head && !params->head_len)
449 return -EINVAL;
450
451 /*
452 * This is a kludge. beacon interval should really be part
453 * of the beacon information.
454 */
Johannes Berg57c4d7b2009-04-23 16:10:04 +0200455 if (params->interval &&
456 (sdata->vif.bss_conf.beacon_int != params->interval)) {
457 sdata->vif.bss_conf.beacon_int = params->interval;
458 ieee80211_bss_info_change_notify(sdata,
459 BSS_CHANGED_BEACON_INT);
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100460 }
461
462 /* Need to have a beacon head if we don't have one yet */
463 if (!params->head && !old)
464 return err;
465
466 /* sorry, no way to start beaconing without dtim period */
467 if (!params->dtim_period && !old)
468 return err;
469
470 /* new or old head? */
471 if (params->head)
472 new_head_len = params->head_len;
473 else
474 new_head_len = old->head_len;
475
476 /* new or old tail? */
477 if (params->tail || !old)
478 /* params->tail_len will be zero for !params->tail */
479 new_tail_len = params->tail_len;
480 else
481 new_tail_len = old->tail_len;
482
483 size = sizeof(*new) + new_head_len + new_tail_len;
484
485 new = kzalloc(size, GFP_KERNEL);
486 if (!new)
487 return -ENOMEM;
488
489 /* start filling the new info now */
490
491 /* new or old dtim period? */
492 if (params->dtim_period)
493 new->dtim_period = params->dtim_period;
494 else
495 new->dtim_period = old->dtim_period;
496
497 /*
498 * pointers go into the block we allocated,
499 * memory is | beacon_data | head | tail |
500 */
501 new->head = ((u8 *) new) + sizeof(*new);
502 new->tail = new->head + new_head_len;
503 new->head_len = new_head_len;
504 new->tail_len = new_tail_len;
505
506 /* copy in head */
507 if (params->head)
508 memcpy(new->head, params->head, new_head_len);
509 else
510 memcpy(new->head, old->head, new_head_len);
511
512 /* copy in optional tail */
513 if (params->tail)
514 memcpy(new->tail, params->tail, new_tail_len);
515 else
516 if (old)
517 memcpy(new->tail, old->tail, new_tail_len);
518
519 rcu_assign_pointer(sdata->u.ap.beacon, new);
520
521 synchronize_rcu();
522
523 kfree(old);
524
Johannes Berg2d0ddec2009-04-23 16:13:26 +0200525 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
526 BSS_CHANGED_BEACON);
527 return 0;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100528}
529
530static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
531 struct beacon_parameters *params)
532{
Johannes Berg14db74b2008-07-29 13:22:52 +0200533 struct ieee80211_sub_if_data *sdata;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100534 struct beacon_data *old;
535
Johannes Berg14db74b2008-07-29 13:22:52 +0200536 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
537
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100538 old = sdata->u.ap.beacon;
539
540 if (old)
541 return -EALREADY;
542
543 return ieee80211_config_beacon(sdata, params);
544}
545
546static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
547 struct beacon_parameters *params)
548{
Johannes Berg14db74b2008-07-29 13:22:52 +0200549 struct ieee80211_sub_if_data *sdata;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100550 struct beacon_data *old;
551
Johannes Berg14db74b2008-07-29 13:22:52 +0200552 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
553
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100554 old = sdata->u.ap.beacon;
555
556 if (!old)
557 return -ENOENT;
558
559 return ieee80211_config_beacon(sdata, params);
560}
561
562static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
563{
Johannes Berg14db74b2008-07-29 13:22:52 +0200564 struct ieee80211_sub_if_data *sdata;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100565 struct beacon_data *old;
566
Johannes Berg14db74b2008-07-29 13:22:52 +0200567 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
568
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100569 old = sdata->u.ap.beacon;
570
571 if (!old)
572 return -ENOENT;
573
574 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
575 synchronize_rcu();
576 kfree(old);
577
Johannes Berg2d0ddec2009-04-23 16:13:26 +0200578 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
579 return 0;
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100580}
581
Johannes Berg4fd69312007-12-19 02:03:35 +0100582/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
583struct iapp_layer2_update {
584 u8 da[ETH_ALEN]; /* broadcast */
585 u8 sa[ETH_ALEN]; /* STA addr */
586 __be16 len; /* 6 */
587 u8 dsap; /* 0 */
588 u8 ssap; /* 0 */
589 u8 control;
590 u8 xid_info[3];
591} __attribute__ ((packed));
592
593static void ieee80211_send_layer2_update(struct sta_info *sta)
594{
595 struct iapp_layer2_update *msg;
596 struct sk_buff *skb;
597
598 /* Send Level 2 Update Frame to update forwarding tables in layer 2
599 * bridge devices */
600
601 skb = dev_alloc_skb(sizeof(*msg));
602 if (!skb)
603 return;
604 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
605
606 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
607 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
608
609 memset(msg->da, 0xff, ETH_ALEN);
Johannes Berg17741cd2008-09-11 00:02:02 +0200610 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
Johannes Berg4fd69312007-12-19 02:03:35 +0100611 msg->len = htons(6);
612 msg->dsap = 0;
613 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
614 msg->control = 0xaf; /* XID response lsb.1111F101.
615 * F=0 (no poll command; unsolicited frame) */
616 msg->xid_info[0] = 0x81; /* XID format identifier */
617 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
618 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
619
Johannes Bergd0709a62008-02-25 16:27:46 +0100620 skb->dev = sta->sdata->dev;
621 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
Johannes Berg4fd69312007-12-19 02:03:35 +0100622 memset(skb->cb, 0, sizeof(skb->cb));
623 netif_rx(skb);
624}
625
626static void sta_apply_parameters(struct ieee80211_local *local,
627 struct sta_info *sta,
628 struct station_parameters *params)
629{
630 u32 rates;
631 int i, j;
Johannes Berg8318d782008-01-24 19:38:38 +0100632 struct ieee80211_supported_band *sband;
Johannes Bergd0709a62008-02-25 16:27:46 +0100633 struct ieee80211_sub_if_data *sdata = sta->sdata;
Johannes Bergeccb8e82009-05-11 21:57:56 +0300634 u32 mask, set;
Johannes Berg4fd69312007-12-19 02:03:35 +0100635
Johannes Bergae5eb022008-10-14 16:58:37 +0200636 sband = local->hw.wiphy->bands[local->oper_channel->band];
637
Johannes Bergeccb8e82009-05-11 21:57:56 +0300638 spin_lock_bh(&sta->lock);
639 mask = params->sta_flags_mask;
640 set = params->sta_flags_set;
Johannes Berg73651ee2008-02-25 16:27:47 +0100641
Johannes Bergeccb8e82009-05-11 21:57:56 +0300642 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
Johannes Berg4fd69312007-12-19 02:03:35 +0100643 sta->flags &= ~WLAN_STA_AUTHORIZED;
Johannes Bergeccb8e82009-05-11 21:57:56 +0300644 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
Johannes Berg4fd69312007-12-19 02:03:35 +0100645 sta->flags |= WLAN_STA_AUTHORIZED;
Johannes Berg4fd69312007-12-19 02:03:35 +0100646 }
647
Johannes Bergeccb8e82009-05-11 21:57:56 +0300648 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
649 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
650 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
651 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
652 }
653
654 if (mask & BIT(NL80211_STA_FLAG_WME)) {
655 sta->flags &= ~WLAN_STA_WME;
656 if (set & BIT(NL80211_STA_FLAG_WME))
657 sta->flags |= WLAN_STA_WME;
658 }
659
660 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
661 sta->flags &= ~WLAN_STA_MFP;
662 if (set & BIT(NL80211_STA_FLAG_MFP))
663 sta->flags |= WLAN_STA_MFP;
664 }
665 spin_unlock_bh(&sta->lock);
666
Johannes Berg73651ee2008-02-25 16:27:47 +0100667 /*
Johannes Berg51b50fb2009-05-24 16:42:30 +0200668 * cfg80211 validates this (1-2007) and allows setting the AID
669 * only when creating a new station entry
670 */
671 if (params->aid)
672 sta->sta.aid = params->aid;
673
674 /*
Johannes Berg73651ee2008-02-25 16:27:47 +0100675 * FIXME: updating the following information is racy when this
676 * function is called from ieee80211_change_station().
677 * However, all this information should be static so
678 * maybe we should just reject attemps to change it.
679 */
680
Johannes Berg4fd69312007-12-19 02:03:35 +0100681 if (params->listen_interval >= 0)
682 sta->listen_interval = params->listen_interval;
683
684 if (params->supported_rates) {
685 rates = 0;
Johannes Berg8318d782008-01-24 19:38:38 +0100686
Johannes Berg4fd69312007-12-19 02:03:35 +0100687 for (i = 0; i < params->supported_rates_len; i++) {
688 int rate = (params->supported_rates[i] & 0x7f) * 5;
Johannes Berg8318d782008-01-24 19:38:38 +0100689 for (j = 0; j < sband->n_bitrates; j++) {
690 if (sband->bitrates[j].bitrate == rate)
Johannes Berg4fd69312007-12-19 02:03:35 +0100691 rates |= BIT(j);
692 }
693 }
Johannes Berg323ce792008-09-11 02:45:11 +0200694 sta->sta.supp_rates[local->oper_channel->band] = rates;
Johannes Berg4fd69312007-12-19 02:03:35 +0100695 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100696
Johannes Bergd9fe60d2008-10-09 12:13:49 +0200697 if (params->ht_capa)
Johannes Bergae5eb022008-10-14 16:58:37 +0200698 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
699 params->ht_capa,
Johannes Bergd9fe60d2008-10-09 12:13:49 +0200700 &sta->sta.ht_cap);
Jouni Malinen36aedc92008-08-25 11:58:58 +0300701
Johannes Berg902acc72008-02-23 15:17:19 +0100702 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100703 switch (params->plink_action) {
704 case PLINK_ACTION_OPEN:
705 mesh_plink_open(sta);
706 break;
707 case PLINK_ACTION_BLOCK:
708 mesh_plink_block(sta);
709 break;
710 }
Johannes Berg902acc72008-02-23 15:17:19 +0100711 }
Johannes Berg4fd69312007-12-19 02:03:35 +0100712}
713
714static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
715 u8 *mac, struct station_parameters *params)
716{
Johannes Berg14db74b2008-07-29 13:22:52 +0200717 struct ieee80211_local *local = wiphy_priv(wiphy);
Johannes Berg4fd69312007-12-19 02:03:35 +0100718 struct sta_info *sta;
719 struct ieee80211_sub_if_data *sdata;
Johannes Berg73651ee2008-02-25 16:27:47 +0100720 int err;
Jouni Malinenb8d476c2008-12-12 17:08:31 +0200721 int layer2_update;
Johannes Berg4fd69312007-12-19 02:03:35 +0100722
Johannes Berg4fd69312007-12-19 02:03:35 +0100723 if (params->vlan) {
724 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
725
Johannes Berg05c914f2008-09-11 00:01:58 +0200726 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
727 sdata->vif.type != NL80211_IFTYPE_AP)
Johannes Berg4fd69312007-12-19 02:03:35 +0100728 return -EINVAL;
729 } else
730 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
731
Johannes Berg47846c92009-11-25 17:46:19 +0100732 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
Johannes Berg03e44972008-02-27 09:56:40 +0100733 return -EINVAL;
734
735 if (is_multicast_ether_addr(mac))
736 return -EINVAL;
737
738 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
Johannes Berg73651ee2008-02-25 16:27:47 +0100739 if (!sta)
740 return -ENOMEM;
Johannes Berg4fd69312007-12-19 02:03:35 +0100741
742 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
743
744 sta_apply_parameters(local, sta, params);
745
Johannes Berg4b7679a2008-09-18 18:14:18 +0200746 rate_control_rate_init(sta);
Johannes Berg4fd69312007-12-19 02:03:35 +0100747
Jouni Malinenb8d476c2008-12-12 17:08:31 +0200748 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
749 sdata->vif.type == NL80211_IFTYPE_AP;
750
Johannes Berg73651ee2008-02-25 16:27:47 +0100751 rcu_read_lock();
752
753 err = sta_info_insert(sta);
754 if (err) {
Johannes Berg73651ee2008-02-25 16:27:47 +0100755 rcu_read_unlock();
756 return err;
757 }
758
Jouni Malinenb8d476c2008-12-12 17:08:31 +0200759 if (layer2_update)
Johannes Berg73651ee2008-02-25 16:27:47 +0100760 ieee80211_send_layer2_update(sta);
761
762 rcu_read_unlock();
763
Johannes Berg4fd69312007-12-19 02:03:35 +0100764 return 0;
765}
766
767static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
768 u8 *mac)
769{
Johannes Berg14db74b2008-07-29 13:22:52 +0200770 struct ieee80211_local *local = wiphy_priv(wiphy);
771 struct ieee80211_sub_if_data *sdata;
Johannes Berg4fd69312007-12-19 02:03:35 +0100772 struct sta_info *sta;
773
Johannes Berg14db74b2008-07-29 13:22:52 +0200774 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
775
Johannes Berg4fd69312007-12-19 02:03:35 +0100776 if (mac) {
Johannes Berg98dd6a52008-04-10 15:36:09 +0200777 rcu_read_lock();
778
Johannes Bergabe60632009-11-25 17:46:18 +0100779 sta = sta_info_get(sdata, mac);
Johannes Berg98dd6a52008-04-10 15:36:09 +0200780 if (!sta) {
781 rcu_read_unlock();
Johannes Berg4fd69312007-12-19 02:03:35 +0100782 return -ENOENT;
Johannes Berg98dd6a52008-04-10 15:36:09 +0200783 }
Johannes Berg4fd69312007-12-19 02:03:35 +0100784
Johannes Bergd0709a62008-02-25 16:27:46 +0100785 sta_info_unlink(&sta);
Johannes Berg98dd6a52008-04-10 15:36:09 +0200786 rcu_read_unlock();
787
Johannes Berg4f6fab42008-03-31 19:23:02 +0200788 sta_info_destroy(sta);
Johannes Berg4fd69312007-12-19 02:03:35 +0100789 } else
Johannes Bergd0709a62008-02-25 16:27:46 +0100790 sta_info_flush(local, sdata);
Johannes Berg4fd69312007-12-19 02:03:35 +0100791
792 return 0;
793}
794
795static int ieee80211_change_station(struct wiphy *wiphy,
796 struct net_device *dev,
797 u8 *mac,
798 struct station_parameters *params)
799{
Johannes Bergabe60632009-11-25 17:46:18 +0100800 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Johannes Berg14db74b2008-07-29 13:22:52 +0200801 struct ieee80211_local *local = wiphy_priv(wiphy);
Johannes Berg4fd69312007-12-19 02:03:35 +0100802 struct sta_info *sta;
803 struct ieee80211_sub_if_data *vlansdata;
804
Johannes Berg98dd6a52008-04-10 15:36:09 +0200805 rcu_read_lock();
806
Johannes Bergabe60632009-11-25 17:46:18 +0100807 sta = sta_info_get(sdata, mac);
Johannes Berg98dd6a52008-04-10 15:36:09 +0200808 if (!sta) {
809 rcu_read_unlock();
Johannes Berg4fd69312007-12-19 02:03:35 +0100810 return -ENOENT;
Johannes Berg98dd6a52008-04-10 15:36:09 +0200811 }
Johannes Berg4fd69312007-12-19 02:03:35 +0100812
Johannes Bergd0709a62008-02-25 16:27:46 +0100813 if (params->vlan && params->vlan != sta->sdata->dev) {
Johannes Berg4fd69312007-12-19 02:03:35 +0100814 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
815
Johannes Berg05c914f2008-09-11 00:01:58 +0200816 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
817 vlansdata->vif.type != NL80211_IFTYPE_AP) {
Johannes Berg98dd6a52008-04-10 15:36:09 +0200818 rcu_read_unlock();
Johannes Berg4fd69312007-12-19 02:03:35 +0100819 return -EINVAL;
Johannes Berg98dd6a52008-04-10 15:36:09 +0200820 }
Johannes Berg4fd69312007-12-19 02:03:35 +0100821
Johannes Berg9bc383d2009-11-19 11:55:19 +0100822 if (params->vlan->ieee80211_ptr->use_4addr) {
Johannes Berg33054432009-11-20 10:09:14 +0100823 if (vlansdata->u.vlan.sta) {
824 rcu_read_unlock();
Felix Fietkauf14543e2009-11-10 20:10:05 +0100825 return -EBUSY;
Johannes Berg33054432009-11-20 10:09:14 +0100826 }
Felix Fietkauf14543e2009-11-10 20:10:05 +0100827
828 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
829 }
830
Johannes Berg14db74b2008-07-29 13:22:52 +0200831 sta->sdata = vlansdata;
Johannes Berg4fd69312007-12-19 02:03:35 +0100832 ieee80211_send_layer2_update(sta);
833 }
834
835 sta_apply_parameters(local, sta, params);
836
Johannes Berg98dd6a52008-04-10 15:36:09 +0200837 rcu_read_unlock();
838
Johannes Berg4fd69312007-12-19 02:03:35 +0100839 return 0;
840}
841
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100842#ifdef CONFIG_MAC80211_MESH
843static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
844 u8 *dst, u8 *next_hop)
845{
Johannes Berg14db74b2008-07-29 13:22:52 +0200846 struct ieee80211_sub_if_data *sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100847 struct mesh_path *mpath;
848 struct sta_info *sta;
849 int err;
850
Johannes Berg14db74b2008-07-29 13:22:52 +0200851 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
852
Johannes Bergd0709a62008-02-25 16:27:46 +0100853 rcu_read_lock();
Johannes Bergabe60632009-11-25 17:46:18 +0100854 sta = sta_info_get(sdata, next_hop);
Johannes Bergd0709a62008-02-25 16:27:46 +0100855 if (!sta) {
856 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100857 return -ENOENT;
Johannes Bergd0709a62008-02-25 16:27:46 +0100858 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100859
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200860 err = mesh_path_add(dst, sdata);
Johannes Bergd0709a62008-02-25 16:27:46 +0100861 if (err) {
862 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100863 return err;
Johannes Bergd0709a62008-02-25 16:27:46 +0100864 }
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100865
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200866 mpath = mesh_path_lookup(dst, sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100867 if (!mpath) {
868 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100869 return -ENXIO;
870 }
871 mesh_path_fix_nexthop(mpath, sta);
Johannes Bergd0709a62008-02-25 16:27:46 +0100872
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100873 rcu_read_unlock();
874 return 0;
875}
876
877static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
878 u8 *dst)
879{
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200880 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100881
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200882 if (dst)
883 return mesh_path_del(dst, sdata);
884
885 mesh_path_flush(sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100886 return 0;
887}
888
889static int ieee80211_change_mpath(struct wiphy *wiphy,
890 struct net_device *dev,
891 u8 *dst, u8 *next_hop)
892{
Johannes Berg14db74b2008-07-29 13:22:52 +0200893 struct ieee80211_sub_if_data *sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100894 struct mesh_path *mpath;
895 struct sta_info *sta;
896
Johannes Berg14db74b2008-07-29 13:22:52 +0200897 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
898
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100899 rcu_read_lock();
Johannes Bergd0709a62008-02-25 16:27:46 +0100900
Johannes Bergabe60632009-11-25 17:46:18 +0100901 sta = sta_info_get(sdata, next_hop);
Johannes Bergd0709a62008-02-25 16:27:46 +0100902 if (!sta) {
903 rcu_read_unlock();
904 return -ENOENT;
905 }
906
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200907 mpath = mesh_path_lookup(dst, sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100908 if (!mpath) {
909 rcu_read_unlock();
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100910 return -ENOENT;
911 }
912
913 mesh_path_fix_nexthop(mpath, sta);
Johannes Bergd0709a62008-02-25 16:27:46 +0100914
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100915 rcu_read_unlock();
916 return 0;
917}
918
919static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
920 struct mpath_info *pinfo)
921{
922 if (mpath->next_hop)
Johannes Berg17741cd2008-09-11 00:02:02 +0200923 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100924 else
925 memset(next_hop, 0, ETH_ALEN);
926
Johannes Bergf5ea9122009-08-07 16:17:38 +0200927 pinfo->generation = mesh_paths_generation;
928
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100929 pinfo->filled = MPATH_INFO_FRAME_QLEN |
Rui Paulod19b3bf2009-11-09 23:46:55 +0000930 MPATH_INFO_SN |
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100931 MPATH_INFO_METRIC |
932 MPATH_INFO_EXPTIME |
933 MPATH_INFO_DISCOVERY_TIMEOUT |
934 MPATH_INFO_DISCOVERY_RETRIES |
935 MPATH_INFO_FLAGS;
936
937 pinfo->frame_qlen = mpath->frame_queue.qlen;
Rui Paulod19b3bf2009-11-09 23:46:55 +0000938 pinfo->sn = mpath->sn;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100939 pinfo->metric = mpath->metric;
940 if (time_before(jiffies, mpath->exp_time))
941 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
942 pinfo->discovery_timeout =
943 jiffies_to_msecs(mpath->discovery_timeout);
944 pinfo->discovery_retries = mpath->discovery_retries;
945 pinfo->flags = 0;
946 if (mpath->flags & MESH_PATH_ACTIVE)
947 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
948 if (mpath->flags & MESH_PATH_RESOLVING)
949 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
Rui Paulod19b3bf2009-11-09 23:46:55 +0000950 if (mpath->flags & MESH_PATH_SN_VALID)
951 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100952 if (mpath->flags & MESH_PATH_FIXED)
953 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
954 if (mpath->flags & MESH_PATH_RESOLVING)
955 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
956
957 pinfo->flags = mpath->flags;
958}
959
960static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
961 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
962
963{
Johannes Berg14db74b2008-07-29 13:22:52 +0200964 struct ieee80211_sub_if_data *sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100965 struct mesh_path *mpath;
966
Johannes Berg14db74b2008-07-29 13:22:52 +0200967 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
968
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100969 rcu_read_lock();
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200970 mpath = mesh_path_lookup(dst, sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100971 if (!mpath) {
972 rcu_read_unlock();
973 return -ENOENT;
974 }
975 memcpy(dst, mpath->dst, ETH_ALEN);
976 mpath_set_pinfo(mpath, next_hop, pinfo);
977 rcu_read_unlock();
978 return 0;
979}
980
981static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
982 int idx, u8 *dst, u8 *next_hop,
983 struct mpath_info *pinfo)
984{
Johannes Berg14db74b2008-07-29 13:22:52 +0200985 struct ieee80211_sub_if_data *sdata;
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100986 struct mesh_path *mpath;
987
Johannes Berg14db74b2008-07-29 13:22:52 +0200988 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
989
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100990 rcu_read_lock();
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +1200991 mpath = mesh_path_lookup_by_idx(idx, sdata);
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +0100992 if (!mpath) {
993 rcu_read_unlock();
994 return -ENOENT;
995 }
996 memcpy(dst, mpath->dst, ETH_ALEN);
997 mpath_set_pinfo(mpath, next_hop, pinfo);
998 rcu_read_unlock();
999 return 0;
1000}
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001001
1002static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1003 struct net_device *dev,
1004 struct mesh_config *conf)
1005{
1006 struct ieee80211_sub_if_data *sdata;
1007 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1008
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001009 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1010 return 0;
1011}
1012
1013static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1014{
1015 return (mask >> (parm-1)) & 0x1;
1016}
1017
1018static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1019 struct net_device *dev,
1020 const struct mesh_config *nconf, u32 mask)
1021{
1022 struct mesh_config *conf;
1023 struct ieee80211_sub_if_data *sdata;
Rui Paulo63c57232009-11-09 23:46:57 +00001024 struct ieee80211_if_mesh *ifmsh;
1025
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001026 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
Rui Paulo63c57232009-11-09 23:46:57 +00001027 ifmsh = &sdata->u.mesh;
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001028
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001029 /* Set the config options which we are interested in setting */
1030 conf = &(sdata->u.mesh.mshcfg);
1031 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1032 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1033 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1034 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1035 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1036 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1037 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1038 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1039 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1040 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1041 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1042 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1043 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1044 conf->auto_open_plinks = nconf->auto_open_plinks;
1045 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1046 conf->dot11MeshHWMPmaxPREQretries =
1047 nconf->dot11MeshHWMPmaxPREQretries;
1048 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1049 conf->path_refresh_time = nconf->path_refresh_time;
1050 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1051 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1052 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1053 conf->dot11MeshHWMPactivePathTimeout =
1054 nconf->dot11MeshHWMPactivePathTimeout;
1055 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1056 conf->dot11MeshHWMPpreqMinInterval =
1057 nconf->dot11MeshHWMPpreqMinInterval;
1058 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1059 mask))
1060 conf->dot11MeshHWMPnetDiameterTraversalTime =
1061 nconf->dot11MeshHWMPnetDiameterTraversalTime;
Rui Paulo63c57232009-11-09 23:46:57 +00001062 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1063 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1064 ieee80211_mesh_root_setup(ifmsh);
1065 }
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001066 return 0;
1067}
1068
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +01001069#endif
1070
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001071static int ieee80211_change_bss(struct wiphy *wiphy,
1072 struct net_device *dev,
1073 struct bss_parameters *params)
1074{
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001075 struct ieee80211_sub_if_data *sdata;
1076 u32 changed = 0;
1077
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001078 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1079
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001080 if (params->use_cts_prot >= 0) {
Johannes Bergbda39332008-10-11 01:51:51 +02001081 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001082 changed |= BSS_CHANGED_ERP_CTS_PROT;
1083 }
1084 if (params->use_short_preamble >= 0) {
Johannes Bergbda39332008-10-11 01:51:51 +02001085 sdata->vif.bss_conf.use_short_preamble =
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001086 params->use_short_preamble;
1087 changed |= BSS_CHANGED_ERP_PREAMBLE;
1088 }
1089 if (params->use_short_slot_time >= 0) {
Johannes Bergbda39332008-10-11 01:51:51 +02001090 sdata->vif.bss_conf.use_short_slot =
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001091 params->use_short_slot_time;
1092 changed |= BSS_CHANGED_ERP_SLOT;
1093 }
1094
Jouni Malinen90c97a02008-10-30 16:59:22 +02001095 if (params->basic_rates) {
1096 int i, j;
1097 u32 rates = 0;
1098 struct ieee80211_local *local = wiphy_priv(wiphy);
1099 struct ieee80211_supported_band *sband =
1100 wiphy->bands[local->oper_channel->band];
1101
1102 for (i = 0; i < params->basic_rates_len; i++) {
1103 int rate = (params->basic_rates[i] & 0x7f) * 5;
1104 for (j = 0; j < sband->n_bitrates; j++) {
1105 if (sband->bitrates[j].bitrate == rate)
1106 rates |= BIT(j);
1107 }
1108 }
1109 sdata->vif.bss_conf.basic_rates = rates;
1110 changed |= BSS_CHANGED_BASIC_RATES;
1111 }
1112
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001113 ieee80211_bss_info_change_notify(sdata, changed);
1114
1115 return 0;
1116}
1117
Jouni Malinen31888482008-10-30 16:59:24 +02001118static int ieee80211_set_txq_params(struct wiphy *wiphy,
1119 struct ieee80211_txq_params *params)
1120{
1121 struct ieee80211_local *local = wiphy_priv(wiphy);
1122 struct ieee80211_tx_queue_params p;
1123
1124 if (!local->ops->conf_tx)
1125 return -EOPNOTSUPP;
1126
1127 memset(&p, 0, sizeof(p));
1128 p.aifs = params->aifs;
1129 p.cw_max = params->cwmax;
1130 p.cw_min = params->cwmin;
1131 p.txop = params->txop;
Johannes Berg24487982009-04-23 18:52:52 +02001132 if (drv_conf_tx(local, params->queue, &p)) {
Jouni Malinen31888482008-10-30 16:59:24 +02001133 printk(KERN_DEBUG "%s: failed to set TX queue "
Johannes Berg0bffe402009-06-09 16:18:32 +02001134 "parameters for queue %d\n",
1135 wiphy_name(local->hw.wiphy), params->queue);
Jouni Malinen31888482008-10-30 16:59:24 +02001136 return -EINVAL;
1137 }
1138
1139 return 0;
1140}
1141
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001142static int ieee80211_set_channel(struct wiphy *wiphy,
1143 struct ieee80211_channel *chan,
Sujith094d05d2008-12-12 11:57:43 +05301144 enum nl80211_channel_type channel_type)
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001145{
1146 struct ieee80211_local *local = wiphy_priv(wiphy);
1147
1148 local->oper_channel = chan;
Sujith094d05d2008-12-12 11:57:43 +05301149 local->oper_channel_type = channel_type;
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001150
1151 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1152}
1153
Bob Copeland665af4f2009-01-19 11:20:53 -05001154#ifdef CONFIG_PM
1155static int ieee80211_suspend(struct wiphy *wiphy)
1156{
1157 return __ieee80211_suspend(wiphy_priv(wiphy));
1158}
1159
1160static int ieee80211_resume(struct wiphy *wiphy)
1161{
1162 return __ieee80211_resume(wiphy_priv(wiphy));
1163}
1164#else
1165#define ieee80211_suspend NULL
1166#define ieee80211_resume NULL
1167#endif
1168
Johannes Berg2a519312009-02-10 21:25:55 +01001169static int ieee80211_scan(struct wiphy *wiphy,
1170 struct net_device *dev,
1171 struct cfg80211_scan_request *req)
1172{
1173 struct ieee80211_sub_if_data *sdata;
1174
Johannes Berg2a519312009-02-10 21:25:55 +01001175 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1176
1177 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1178 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
Jouni Malinen357303e2009-04-16 18:44:53 +03001179 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1180 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
Johannes Berg2a519312009-02-10 21:25:55 +01001181 return -EOPNOTSUPP;
1182
1183 return ieee80211_request_scan(sdata, req);
1184}
1185
Jouni Malinen636a5d32009-03-19 13:39:22 +02001186static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1187 struct cfg80211_auth_request *req)
1188{
Johannes Berg77fdaa12009-07-07 03:45:17 +02001189 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
Jouni Malinen636a5d32009-03-19 13:39:22 +02001190}
1191
1192static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1193 struct cfg80211_assoc_request *req)
1194{
Johannes Berg77fdaa12009-07-07 03:45:17 +02001195 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
Jouni Malinen636a5d32009-03-19 13:39:22 +02001196}
1197
1198static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg667503d2009-07-07 03:56:11 +02001199 struct cfg80211_deauth_request *req,
1200 void *cookie)
Jouni Malinen636a5d32009-03-19 13:39:22 +02001201{
Johannes Berg667503d2009-07-07 03:56:11 +02001202 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1203 req, cookie);
Jouni Malinen636a5d32009-03-19 13:39:22 +02001204}
1205
1206static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg667503d2009-07-07 03:56:11 +02001207 struct cfg80211_disassoc_request *req,
1208 void *cookie)
Jouni Malinen636a5d32009-03-19 13:39:22 +02001209{
Johannes Berg667503d2009-07-07 03:56:11 +02001210 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1211 req, cookie);
Jouni Malinen636a5d32009-03-19 13:39:22 +02001212}
1213
Johannes Bergaf8cdcd2009-04-19 21:25:43 +02001214static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1215 struct cfg80211_ibss_params *params)
1216{
1217 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1218
1219 return ieee80211_ibss_join(sdata, params);
1220}
1221
1222static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1223{
1224 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1225
1226 return ieee80211_ibss_leave(sdata);
1227}
1228
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001229static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1230{
1231 struct ieee80211_local *local = wiphy_priv(wiphy);
Johannes Berg24487982009-04-23 18:52:52 +02001232 int err;
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001233
1234 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
Johannes Berg24487982009-04-23 18:52:52 +02001235 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001236
Johannes Berg24487982009-04-23 18:52:52 +02001237 if (err)
1238 return err;
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001239 }
1240
1241 if (changed & WIPHY_PARAM_RETRY_SHORT)
1242 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1243 if (changed & WIPHY_PARAM_RETRY_LONG)
1244 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1245 if (changed &
1246 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1247 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1248
1249 return 0;
1250}
1251
Johannes Berg7643a2c2009-06-02 13:01:39 +02001252static int ieee80211_set_tx_power(struct wiphy *wiphy,
1253 enum tx_power_setting type, int dbm)
1254{
1255 struct ieee80211_local *local = wiphy_priv(wiphy);
1256 struct ieee80211_channel *chan = local->hw.conf.channel;
1257 u32 changes = 0;
Johannes Berg7643a2c2009-06-02 13:01:39 +02001258
1259 switch (type) {
1260 case TX_POWER_AUTOMATIC:
1261 local->user_power_level = -1;
1262 break;
1263 case TX_POWER_LIMITED:
1264 if (dbm < 0)
1265 return -EINVAL;
1266 local->user_power_level = dbm;
1267 break;
1268 case TX_POWER_FIXED:
1269 if (dbm < 0)
1270 return -EINVAL;
1271 /* TODO: move to cfg80211 when it knows the channel */
1272 if (dbm > chan->max_power)
1273 return -EINVAL;
1274 local->user_power_level = dbm;
1275 break;
Johannes Berg7643a2c2009-06-02 13:01:39 +02001276 }
1277
1278 ieee80211_hw_config(local, changes);
1279
1280 return 0;
1281}
1282
1283static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1284{
1285 struct ieee80211_local *local = wiphy_priv(wiphy);
1286
1287 *dbm = local->hw.conf.power_level;
1288
Johannes Berg7643a2c2009-06-02 13:01:39 +02001289 return 0;
1290}
1291
Johannes Bergab737a42009-07-01 21:26:58 +02001292static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1293 u8 *addr)
1294{
1295 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1296
1297 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1298
1299 return 0;
1300}
1301
Johannes Berg1f87f7d2009-06-02 13:01:41 +02001302static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1303{
1304 struct ieee80211_local *local = wiphy_priv(wiphy);
1305
1306 drv_rfkill_poll(local);
1307}
1308
Johannes Bergaff89a92009-07-01 21:26:51 +02001309#ifdef CONFIG_NL80211_TESTMODE
Johannes Berg99783e22009-07-07 03:54:43 +02001310static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
Johannes Bergaff89a92009-07-01 21:26:51 +02001311{
1312 struct ieee80211_local *local = wiphy_priv(wiphy);
1313
1314 if (!local->ops->testmode_cmd)
1315 return -EOPNOTSUPP;
1316
1317 return local->ops->testmode_cmd(&local->hw, data, len);
1318}
1319#endif
1320
Johannes Berg0f782312009-12-01 13:37:02 +01001321int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1322 enum ieee80211_smps_mode smps_mode)
1323{
1324 const u8 *ap;
1325 enum ieee80211_smps_mode old_req;
1326 int err;
1327
1328 old_req = sdata->u.mgd.req_smps;
1329 sdata->u.mgd.req_smps = smps_mode;
1330
1331 if (old_req == smps_mode &&
1332 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1333 return 0;
1334
1335 /*
1336 * If not associated, or current association is not an HT
1337 * association, there's no need to send an action frame.
1338 */
1339 if (!sdata->u.mgd.associated ||
1340 sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
1341 mutex_lock(&sdata->local->iflist_mtx);
1342 ieee80211_recalc_smps(sdata->local, sdata);
1343 mutex_unlock(&sdata->local->iflist_mtx);
1344 return 0;
1345 }
1346
1347 ap = sdata->u.mgd.associated->cbss.bssid;
1348
1349 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1350 if (sdata->u.mgd.powersave)
1351 smps_mode = IEEE80211_SMPS_DYNAMIC;
1352 else
1353 smps_mode = IEEE80211_SMPS_OFF;
1354 }
1355
1356 /* send SM PS frame to AP */
1357 err = ieee80211_send_smps_action(sdata, smps_mode,
1358 ap, ap);
1359 if (err)
1360 sdata->u.mgd.req_smps = old_req;
1361
1362 return err;
1363}
1364
Johannes Bergbc92afd2009-07-01 21:26:57 +02001365static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1366 bool enabled, int timeout)
1367{
1368 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1369 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1370 struct ieee80211_conf *conf = &local->hw.conf;
1371
1372 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1373 return -EOPNOTSUPP;
1374
1375 if (enabled == sdata->u.mgd.powersave &&
1376 timeout == conf->dynamic_ps_timeout)
1377 return 0;
1378
1379 sdata->u.mgd.powersave = enabled;
1380 conf->dynamic_ps_timeout = timeout;
1381
Johannes Berg0f782312009-12-01 13:37:02 +01001382 /* no change, but if automatic follow powersave */
1383 mutex_lock(&sdata->u.mgd.mtx);
1384 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1385 mutex_unlock(&sdata->u.mgd.mtx);
1386
Johannes Bergbc92afd2009-07-01 21:26:57 +02001387 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1388 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1389
1390 ieee80211_recalc_ps(local, -1);
1391
1392 return 0;
1393}
1394
Johannes Berg99303802009-07-01 21:26:59 +02001395static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1396 struct net_device *dev,
1397 const u8 *addr,
1398 const struct cfg80211_bitrate_mask *mask)
1399{
1400 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1401 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001402 int i;
Johannes Berg99303802009-07-01 21:26:59 +02001403 u32 target_rate;
1404 struct ieee80211_supported_band *sband;
1405
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001406 /*
1407 * This _could_ be supported by providing a hook for
1408 * drivers for this function, but at this point it
1409 * doesn't seem worth bothering.
1410 */
1411 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1412 return -EOPNOTSUPP;
1413
Johannes Berg99303802009-07-01 21:26:59 +02001414 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
1415
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001416 /*
1417 * target_rate = -1, rate->fixed = 0 means auto only, so use all rates
Johannes Berg99303802009-07-01 21:26:59 +02001418 * target_rate = X, rate->fixed = 1 means only rate X
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001419 * target_rate = X, rate->fixed = 0 means all rates <= X
1420 */
Johannes Berg99303802009-07-01 21:26:59 +02001421 sdata->max_ratectrl_rateidx = -1;
1422 sdata->force_unicast_rateidx = -1;
1423
1424 if (mask->fixed)
1425 target_rate = mask->fixed / 100;
1426 else if (mask->maxrate)
1427 target_rate = mask->maxrate / 100;
1428 else
1429 return 0;
1430
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001431 for (i = 0; i< sband->n_bitrates; i++) {
1432 if (target_rate != sband->bitrates[i].bitrate)
1433 continue;
Johannes Berg99303802009-07-01 21:26:59 +02001434
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001435 /* requested bitrate found */
1436 sdata->max_ratectrl_rateidx = i;
1437 if (mask->fixed)
1438 sdata->force_unicast_rateidx = i;
1439 return 0;
Johannes Berg99303802009-07-01 21:26:59 +02001440 }
1441
Johannes Berg2c7e6bc2009-12-04 09:26:38 +01001442 return -EINVAL;
Johannes Berg99303802009-07-01 21:26:59 +02001443}
1444
Jiri Bencf0706e822007-05-05 11:45:53 -07001445struct cfg80211_ops mac80211_config_ops = {
1446 .add_virtual_intf = ieee80211_add_iface,
1447 .del_virtual_intf = ieee80211_del_iface,
Johannes Berg42613db2007-09-28 21:52:27 +02001448 .change_virtual_intf = ieee80211_change_iface,
Johannes Berge8cbb4c2007-12-19 02:03:30 +01001449 .add_key = ieee80211_add_key,
1450 .del_key = ieee80211_del_key,
Johannes Berg62da92f2007-12-19 02:03:31 +01001451 .get_key = ieee80211_get_key,
Johannes Berge8cbb4c2007-12-19 02:03:30 +01001452 .set_default_key = ieee80211_config_default_key,
Jouni Malinen3cfcf6a2009-01-08 13:32:02 +02001453 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
Johannes Berg5dfdaf52007-12-19 02:03:33 +01001454 .add_beacon = ieee80211_add_beacon,
1455 .set_beacon = ieee80211_set_beacon,
1456 .del_beacon = ieee80211_del_beacon,
Johannes Berg4fd69312007-12-19 02:03:35 +01001457 .add_station = ieee80211_add_station,
1458 .del_station = ieee80211_del_station,
1459 .change_station = ieee80211_change_station,
Johannes Berg7bbdd2d2007-12-19 02:03:37 +01001460 .get_station = ieee80211_get_station,
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +01001461 .dump_station = ieee80211_dump_station,
1462#ifdef CONFIG_MAC80211_MESH
1463 .add_mpath = ieee80211_add_mpath,
1464 .del_mpath = ieee80211_del_mpath,
1465 .change_mpath = ieee80211_change_mpath,
1466 .get_mpath = ieee80211_get_mpath,
1467 .dump_mpath = ieee80211_dump_mpath,
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001468 .set_mesh_params = ieee80211_set_mesh_params,
1469 .get_mesh_params = ieee80211_get_mesh_params,
Luis Carlos Coboc5dd9c22008-02-23 15:17:17 +01001470#endif
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001471 .change_bss = ieee80211_change_bss,
Jouni Malinen31888482008-10-30 16:59:24 +02001472 .set_txq_params = ieee80211_set_txq_params,
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001473 .set_channel = ieee80211_set_channel,
Bob Copeland665af4f2009-01-19 11:20:53 -05001474 .suspend = ieee80211_suspend,
1475 .resume = ieee80211_resume,
Johannes Berg2a519312009-02-10 21:25:55 +01001476 .scan = ieee80211_scan,
Jouni Malinen636a5d32009-03-19 13:39:22 +02001477 .auth = ieee80211_auth,
1478 .assoc = ieee80211_assoc,
1479 .deauth = ieee80211_deauth,
1480 .disassoc = ieee80211_disassoc,
Johannes Bergaf8cdcd2009-04-19 21:25:43 +02001481 .join_ibss = ieee80211_join_ibss,
1482 .leave_ibss = ieee80211_leave_ibss,
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001483 .set_wiphy_params = ieee80211_set_wiphy_params,
Johannes Berg7643a2c2009-06-02 13:01:39 +02001484 .set_tx_power = ieee80211_set_tx_power,
1485 .get_tx_power = ieee80211_get_tx_power,
Johannes Bergab737a42009-07-01 21:26:58 +02001486 .set_wds_peer = ieee80211_set_wds_peer,
Johannes Berg1f87f7d2009-06-02 13:01:41 +02001487 .rfkill_poll = ieee80211_rfkill_poll,
Johannes Bergaff89a92009-07-01 21:26:51 +02001488 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
Johannes Bergbc92afd2009-07-01 21:26:57 +02001489 .set_power_mgmt = ieee80211_set_power_mgmt,
Johannes Berg99303802009-07-01 21:26:59 +02001490 .set_bitrate_mask = ieee80211_set_bitrate_mask,
Jiri Bencf0706e822007-05-05 11:45:53 -07001491};