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-rw-r--r--net/mac80211/cfg.c7
-rw-r--r--net/mac80211/debugfs.c73
-rw-r--r--net/mac80211/debugfs.h2
-rw-r--r--net/mac80211/debugfs_key.c44
-rw-r--r--net/mac80211/debugfs_netdev.c174
-rw-r--r--net/mac80211/debugfs_sta.c38
-rw-r--r--net/mac80211/ibss.c4
-rw-r--r--net/mac80211/ieee80211_i.h123
-rw-r--r--net/mac80211/iface.c8
-rw-r--r--net/mac80211/key.h12
-rw-r--r--net/mac80211/main.c11
-rw-r--r--net/mac80211/rate.c7
-rw-r--r--net/mac80211/rx.c173
-rw-r--r--net/mac80211/scan.c119
-rw-r--r--net/mac80211/sta_info.c136
-rw-r--r--net/mac80211/sta_info.h47
-rw-r--r--net/mac80211/tx.c99
-rw-r--r--net/mac80211/util.c8
-rw-r--r--net/wireless/core.c3
-rw-r--r--net/wireless/core.h11
-rw-r--r--net/wireless/debugfs.c15
-rw-r--r--net/wireless/debugfs.h3
-rw-r--r--net/wireless/mlme.c2
-rw-r--r--net/wireless/nl80211.c34
-rw-r--r--net/wireless/scan.c6
-rw-r--r--net/wireless/wext-compat.c6
26 files changed, 466 insertions, 699 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 7b5131bd6fa1..56319b51d170 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -738,13 +738,6 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
738 738
739 err = sta_info_insert(sta); 739 err = sta_info_insert(sta);
740 if (err) { 740 if (err) {
741 /* STA has been freed */
742 if (err == -EEXIST && layer2_update) {
743 /* Need to update layer 2 devices on reassociation */
744 sta = sta_info_get(local, mac);
745 if (sta)
746 ieee80211_send_layer2_update(sta);
747 }
748 rcu_read_unlock(); 741 rcu_read_unlock();
749 return err; 742 return err;
750 } 743 }
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 96991b68f048..82c807723b6f 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -1,3 +1,4 @@
1
1/* 2/*
2 * mac80211 debugfs for wireless PHYs 3 * mac80211 debugfs for wireless PHYs
3 * 4 *
@@ -38,16 +39,10 @@ static const struct file_operations name## _ops = { \
38}; 39};
39 40
40#define DEBUGFS_ADD(name) \ 41#define DEBUGFS_ADD(name) \
41 local->debugfs.name = debugfs_create_file(#name, 0400, phyd, \ 42 debugfs_create_file(#name, 0400, phyd, local, &name## _ops);
42 local, &name## _ops);
43 43
44#define DEBUGFS_ADD_MODE(name, mode) \ 44#define DEBUGFS_ADD_MODE(name, mode) \
45 local->debugfs.name = debugfs_create_file(#name, mode, phyd, \ 45 debugfs_create_file(#name, mode, phyd, local, &name## _ops);
46 local, &name## _ops);
47
48#define DEBUGFS_DEL(name) \
49 debugfs_remove(local->debugfs.name); \
50 local->debugfs.name = NULL;
51 46
52 47
53DEBUGFS_READONLY_FILE(frequency, 20, "%d", 48DEBUGFS_READONLY_FILE(frequency, 20, "%d",
@@ -233,12 +228,7 @@ static const struct file_operations stats_ ##name## _ops = { \
233}; 228};
234 229
235#define DEBUGFS_STATS_ADD(name) \ 230#define DEBUGFS_STATS_ADD(name) \
236 local->debugfs.stats.name = debugfs_create_file(#name, 0400, statsd,\ 231 debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);
237 local, &stats_ ##name## _ops);
238
239#define DEBUGFS_STATS_DEL(name) \
240 debugfs_remove(local->debugfs.stats.name); \
241 local->debugfs.stats.name = NULL;
242 232
243DEBUGFS_STATS_FILE(transmitted_fragment_count, 20, "%u", 233DEBUGFS_STATS_FILE(transmitted_fragment_count, 20, "%u",
244 local->dot11TransmittedFragmentCount); 234 local->dot11TransmittedFragmentCount);
@@ -326,7 +316,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
326 DEBUGFS_ADD(noack); 316 DEBUGFS_ADD(noack);
327 317
328 statsd = debugfs_create_dir("statistics", phyd); 318 statsd = debugfs_create_dir("statistics", phyd);
329 local->debugfs.statistics = statsd;
330 319
331 /* if the dir failed, don't put all the other things into the root! */ 320 /* if the dir failed, don't put all the other things into the root! */
332 if (!statsd) 321 if (!statsd)
@@ -367,57 +356,3 @@ void debugfs_hw_add(struct ieee80211_local *local)
367 DEBUGFS_STATS_ADD(dot11FCSErrorCount); 356 DEBUGFS_STATS_ADD(dot11FCSErrorCount);
368 DEBUGFS_STATS_ADD(dot11RTSSuccessCount); 357 DEBUGFS_STATS_ADD(dot11RTSSuccessCount);
369} 358}
370
371void debugfs_hw_del(struct ieee80211_local *local)
372{
373 DEBUGFS_DEL(frequency);
374 DEBUGFS_DEL(total_ps_buffered);
375 DEBUGFS_DEL(wep_iv);
376 DEBUGFS_DEL(tsf);
377 DEBUGFS_DEL(queues);
378 DEBUGFS_DEL(reset);
379 DEBUGFS_DEL(noack);
380
381 DEBUGFS_STATS_DEL(transmitted_fragment_count);
382 DEBUGFS_STATS_DEL(multicast_transmitted_frame_count);
383 DEBUGFS_STATS_DEL(failed_count);
384 DEBUGFS_STATS_DEL(retry_count);
385 DEBUGFS_STATS_DEL(multiple_retry_count);
386 DEBUGFS_STATS_DEL(frame_duplicate_count);
387 DEBUGFS_STATS_DEL(received_fragment_count);
388 DEBUGFS_STATS_DEL(multicast_received_frame_count);
389 DEBUGFS_STATS_DEL(transmitted_frame_count);
390 DEBUGFS_STATS_DEL(num_scans);
391#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
392 DEBUGFS_STATS_DEL(tx_handlers_drop);
393 DEBUGFS_STATS_DEL(tx_handlers_queued);
394 DEBUGFS_STATS_DEL(tx_handlers_drop_unencrypted);
395 DEBUGFS_STATS_DEL(tx_handlers_drop_fragment);
396 DEBUGFS_STATS_DEL(tx_handlers_drop_wep);
397 DEBUGFS_STATS_DEL(tx_handlers_drop_not_assoc);
398 DEBUGFS_STATS_DEL(tx_handlers_drop_unauth_port);
399 DEBUGFS_STATS_DEL(rx_handlers_drop);
400 DEBUGFS_STATS_DEL(rx_handlers_queued);
401 DEBUGFS_STATS_DEL(rx_handlers_drop_nullfunc);
402 DEBUGFS_STATS_DEL(rx_handlers_drop_defrag);
403 DEBUGFS_STATS_DEL(rx_handlers_drop_short);
404 DEBUGFS_STATS_DEL(rx_handlers_drop_passive_scan);
405 DEBUGFS_STATS_DEL(tx_expand_skb_head);
406 DEBUGFS_STATS_DEL(tx_expand_skb_head_cloned);
407 DEBUGFS_STATS_DEL(rx_expand_skb_head);
408 DEBUGFS_STATS_DEL(rx_expand_skb_head2);
409 DEBUGFS_STATS_DEL(rx_handlers_fragments);
410 DEBUGFS_STATS_DEL(tx_status_drop);
411#endif
412 DEBUGFS_STATS_DEL(dot11ACKFailureCount);
413 DEBUGFS_STATS_DEL(dot11RTSFailureCount);
414 DEBUGFS_STATS_DEL(dot11FCSErrorCount);
415 DEBUGFS_STATS_DEL(dot11RTSSuccessCount);
416
417 debugfs_remove(local->debugfs.statistics);
418 local->debugfs.statistics = NULL;
419 debugfs_remove(local->debugfs.stations);
420 local->debugfs.stations = NULL;
421 debugfs_remove(local->debugfs.keys);
422 local->debugfs.keys = NULL;
423}
diff --git a/net/mac80211/debugfs.h b/net/mac80211/debugfs.h
index dd2541935c27..68e6a2050f9a 100644
--- a/net/mac80211/debugfs.h
+++ b/net/mac80211/debugfs.h
@@ -3,14 +3,12 @@
3 3
4#ifdef CONFIG_MAC80211_DEBUGFS 4#ifdef CONFIG_MAC80211_DEBUGFS
5extern void debugfs_hw_add(struct ieee80211_local *local); 5extern void debugfs_hw_add(struct ieee80211_local *local);
6extern void debugfs_hw_del(struct ieee80211_local *local);
7extern int mac80211_open_file_generic(struct inode *inode, struct file *file); 6extern int mac80211_open_file_generic(struct inode *inode, struct file *file);
8#else 7#else
9static inline void debugfs_hw_add(struct ieee80211_local *local) 8static inline void debugfs_hw_add(struct ieee80211_local *local)
10{ 9{
11 return; 10 return;
12} 11}
13static inline void debugfs_hw_del(struct ieee80211_local *local) {}
14#endif 12#endif
15 13
16#endif /* __MAC80211_DEBUGFS_H */ 14#endif /* __MAC80211_DEBUGFS_H */
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 99c752588b30..e0f5224630da 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -225,8 +225,8 @@ static ssize_t key_key_read(struct file *file, char __user *userbuf,
225KEY_OPS(key); 225KEY_OPS(key);
226 226
227#define DEBUGFS_ADD(name) \ 227#define DEBUGFS_ADD(name) \
228 key->debugfs.name = debugfs_create_file(#name, 0400,\ 228 debugfs_create_file(#name, 0400, key->debugfs.dir, \
229 key->debugfs.dir, key, &key_##name##_ops); 229 key, &key_##name##_ops);
230 230
231void ieee80211_debugfs_key_add(struct ieee80211_key *key) 231void ieee80211_debugfs_key_add(struct ieee80211_key *key)
232 { 232 {
@@ -271,30 +271,12 @@ void ieee80211_debugfs_key_add(struct ieee80211_key *key)
271 DEBUGFS_ADD(ifindex); 271 DEBUGFS_ADD(ifindex);
272}; 272};
273 273
274#define DEBUGFS_DEL(name) \
275 debugfs_remove(key->debugfs.name); key->debugfs.name = NULL;
276
277void ieee80211_debugfs_key_remove(struct ieee80211_key *key) 274void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
278{ 275{
279 if (!key) 276 if (!key)
280 return; 277 return;
281 278
282 DEBUGFS_DEL(keylen); 279 debugfs_remove_recursive(key->debugfs.dir);
283 DEBUGFS_DEL(flags);
284 DEBUGFS_DEL(keyidx);
285 DEBUGFS_DEL(hw_key_idx);
286 DEBUGFS_DEL(tx_rx_count);
287 DEBUGFS_DEL(algorithm);
288 DEBUGFS_DEL(tx_spec);
289 DEBUGFS_DEL(rx_spec);
290 DEBUGFS_DEL(replays);
291 DEBUGFS_DEL(icverrors);
292 DEBUGFS_DEL(key);
293 DEBUGFS_DEL(ifindex);
294
295 debugfs_remove(key->debugfs.stalink);
296 key->debugfs.stalink = NULL;
297 debugfs_remove(key->debugfs.dir);
298 key->debugfs.dir = NULL; 280 key->debugfs.dir = NULL;
299} 281}
300void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata) 282void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
@@ -302,7 +284,7 @@ void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
302 char buf[50]; 284 char buf[50];
303 struct ieee80211_key *key; 285 struct ieee80211_key *key;
304 286
305 if (!sdata->debugfsdir) 287 if (!sdata->debugfs.dir)
306 return; 288 return;
307 289
308 /* this is running under the key lock */ 290 /* this is running under the key lock */
@@ -310,9 +292,9 @@ void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
310 key = sdata->default_key; 292 key = sdata->default_key;
311 if (key) { 293 if (key) {
312 sprintf(buf, "../keys/%d", key->debugfs.cnt); 294 sprintf(buf, "../keys/%d", key->debugfs.cnt);
313 sdata->common_debugfs.default_key = 295 sdata->debugfs.default_key =
314 debugfs_create_symlink("default_key", 296 debugfs_create_symlink("default_key",
315 sdata->debugfsdir, buf); 297 sdata->debugfs.dir, buf);
316 } else 298 } else
317 ieee80211_debugfs_key_remove_default(sdata); 299 ieee80211_debugfs_key_remove_default(sdata);
318} 300}
@@ -322,8 +304,8 @@ void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
322 if (!sdata) 304 if (!sdata)
323 return; 305 return;
324 306
325 debugfs_remove(sdata->common_debugfs.default_key); 307 debugfs_remove(sdata->debugfs.default_key);
326 sdata->common_debugfs.default_key = NULL; 308 sdata->debugfs.default_key = NULL;
327} 309}
328 310
329void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata) 311void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
@@ -331,7 +313,7 @@ void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
331 char buf[50]; 313 char buf[50];
332 struct ieee80211_key *key; 314 struct ieee80211_key *key;
333 315
334 if (!sdata->debugfsdir) 316 if (!sdata->debugfs.dir)
335 return; 317 return;
336 318
337 /* this is running under the key lock */ 319 /* this is running under the key lock */
@@ -339,9 +321,9 @@ void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
339 key = sdata->default_mgmt_key; 321 key = sdata->default_mgmt_key;
340 if (key) { 322 if (key) {
341 sprintf(buf, "../keys/%d", key->debugfs.cnt); 323 sprintf(buf, "../keys/%d", key->debugfs.cnt);
342 sdata->common_debugfs.default_mgmt_key = 324 sdata->debugfs.default_mgmt_key =
343 debugfs_create_symlink("default_mgmt_key", 325 debugfs_create_symlink("default_mgmt_key",
344 sdata->debugfsdir, buf); 326 sdata->debugfs.dir, buf);
345 } else 327 } else
346 ieee80211_debugfs_key_remove_mgmt_default(sdata); 328 ieee80211_debugfs_key_remove_mgmt_default(sdata);
347} 329}
@@ -351,8 +333,8 @@ void ieee80211_debugfs_key_remove_mgmt_default(struct ieee80211_sub_if_data *sda
351 if (!sdata) 333 if (!sdata)
352 return; 334 return;
353 335
354 debugfs_remove(sdata->common_debugfs.default_mgmt_key); 336 debugfs_remove(sdata->debugfs.default_mgmt_key);
355 sdata->common_debugfs.default_mgmt_key = NULL; 337 sdata->debugfs.default_mgmt_key = NULL;
356} 338}
357 339
358void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key, 340void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 61234e79022b..8782264f49e7 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -152,9 +152,9 @@ IEEE80211_IF_FILE(min_discovery_timeout,
152#endif 152#endif
153 153
154 154
155#define DEBUGFS_ADD(name, type)\ 155#define DEBUGFS_ADD(name, type) \
156 sdata->debugfs.type.name = debugfs_create_file(#name, 0400,\ 156 debugfs_create_file(#name, 0400, sdata->debugfs.dir, \
157 sdata->debugfsdir, sdata, &name##_ops); 157 sdata, &name##_ops);
158 158
159static void add_sta_files(struct ieee80211_sub_if_data *sdata) 159static void add_sta_files(struct ieee80211_sub_if_data *sdata)
160{ 160{
@@ -199,30 +199,32 @@ static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
199} 199}
200 200
201#ifdef CONFIG_MAC80211_MESH 201#ifdef CONFIG_MAC80211_MESH
202#define MESHSTATS_ADD(name)\
203 sdata->mesh_stats.name = debugfs_create_file(#name, 0400,\
204 sdata->mesh_stats_dir, sdata, &name##_ops);
205 202
206static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) 203static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
207{ 204{
208 sdata->mesh_stats_dir = debugfs_create_dir("mesh_stats", 205 struct dentry *dir = debugfs_create_dir("mesh_stats",
209 sdata->debugfsdir); 206 sdata->debugfs.dir);
207
208#define MESHSTATS_ADD(name)\
209 debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
210
210 MESHSTATS_ADD(fwded_mcast); 211 MESHSTATS_ADD(fwded_mcast);
211 MESHSTATS_ADD(fwded_unicast); 212 MESHSTATS_ADD(fwded_unicast);
212 MESHSTATS_ADD(fwded_frames); 213 MESHSTATS_ADD(fwded_frames);
213 MESHSTATS_ADD(dropped_frames_ttl); 214 MESHSTATS_ADD(dropped_frames_ttl);
214 MESHSTATS_ADD(dropped_frames_no_route); 215 MESHSTATS_ADD(dropped_frames_no_route);
215 MESHSTATS_ADD(estab_plinks); 216 MESHSTATS_ADD(estab_plinks);
217#undef MESHSTATS_ADD
216} 218}
217 219
218#define MESHPARAMS_ADD(name)\
219 sdata->mesh_config.name = debugfs_create_file(#name, 0600,\
220 sdata->mesh_config_dir, sdata, &name##_ops);
221
222static void add_mesh_config(struct ieee80211_sub_if_data *sdata) 220static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
223{ 221{
224 sdata->mesh_config_dir = debugfs_create_dir("mesh_config", 222 struct dentry *dir = debugfs_create_dir("mesh_config",
225 sdata->debugfsdir); 223 sdata->debugfs.dir);
224
225#define MESHPARAMS_ADD(name) \
226 debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
227
226 MESHPARAMS_ADD(dot11MeshMaxRetries); 228 MESHPARAMS_ADD(dot11MeshMaxRetries);
227 MESHPARAMS_ADD(dot11MeshRetryTimeout); 229 MESHPARAMS_ADD(dot11MeshRetryTimeout);
228 MESHPARAMS_ADD(dot11MeshConfirmTimeout); 230 MESHPARAMS_ADD(dot11MeshConfirmTimeout);
@@ -236,12 +238,14 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
236 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); 238 MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
237 MESHPARAMS_ADD(path_refresh_time); 239 MESHPARAMS_ADD(path_refresh_time);
238 MESHPARAMS_ADD(min_discovery_timeout); 240 MESHPARAMS_ADD(min_discovery_timeout);
241
242#undef MESHPARAMS_ADD
239} 243}
240#endif 244#endif
241 245
242static void add_files(struct ieee80211_sub_if_data *sdata) 246static void add_files(struct ieee80211_sub_if_data *sdata)
243{ 247{
244 if (!sdata->debugfsdir) 248 if (!sdata->debugfs.dir)
245 return; 249 return;
246 250
247 switch (sdata->vif.type) { 251 switch (sdata->vif.type) {
@@ -274,134 +278,6 @@ static void add_files(struct ieee80211_sub_if_data *sdata)
274 } 278 }
275} 279}
276 280
277#define DEBUGFS_DEL(name, type) \
278 do { \
279 debugfs_remove(sdata->debugfs.type.name); \
280 sdata->debugfs.type.name = NULL; \
281 } while (0)
282
283static void del_sta_files(struct ieee80211_sub_if_data *sdata)
284{
285 DEBUGFS_DEL(drop_unencrypted, sta);
286 DEBUGFS_DEL(force_unicast_rateidx, sta);
287 DEBUGFS_DEL(max_ratectrl_rateidx, sta);
288
289 DEBUGFS_DEL(bssid, sta);
290 DEBUGFS_DEL(aid, sta);
291 DEBUGFS_DEL(capab, sta);
292}
293
294static void del_ap_files(struct ieee80211_sub_if_data *sdata)
295{
296 DEBUGFS_DEL(drop_unencrypted, ap);
297 DEBUGFS_DEL(force_unicast_rateidx, ap);
298 DEBUGFS_DEL(max_ratectrl_rateidx, ap);
299
300 DEBUGFS_DEL(num_sta_ps, ap);
301 DEBUGFS_DEL(dtim_count, ap);
302 DEBUGFS_DEL(num_buffered_multicast, ap);
303}
304
305static void del_wds_files(struct ieee80211_sub_if_data *sdata)
306{
307 DEBUGFS_DEL(drop_unencrypted, wds);
308 DEBUGFS_DEL(force_unicast_rateidx, wds);
309 DEBUGFS_DEL(max_ratectrl_rateidx, wds);
310
311 DEBUGFS_DEL(peer, wds);
312}
313
314static void del_vlan_files(struct ieee80211_sub_if_data *sdata)
315{
316 DEBUGFS_DEL(drop_unencrypted, vlan);
317 DEBUGFS_DEL(force_unicast_rateidx, vlan);
318 DEBUGFS_DEL(max_ratectrl_rateidx, vlan);
319}
320
321static void del_monitor_files(struct ieee80211_sub_if_data *sdata)
322{
323}
324
325#ifdef CONFIG_MAC80211_MESH
326#define MESHSTATS_DEL(name) \
327 do { \
328 debugfs_remove(sdata->mesh_stats.name); \
329 sdata->mesh_stats.name = NULL; \
330 } while (0)
331
332static void del_mesh_stats(struct ieee80211_sub_if_data *sdata)
333{
334 MESHSTATS_DEL(fwded_mcast);
335 MESHSTATS_DEL(fwded_unicast);
336 MESHSTATS_DEL(fwded_frames);
337 MESHSTATS_DEL(dropped_frames_ttl);
338 MESHSTATS_DEL(dropped_frames_no_route);
339 MESHSTATS_DEL(estab_plinks);
340 debugfs_remove(sdata->mesh_stats_dir);
341 sdata->mesh_stats_dir = NULL;
342}
343
344#define MESHPARAMS_DEL(name) \
345 do { \
346 debugfs_remove(sdata->mesh_config.name); \
347 sdata->mesh_config.name = NULL; \
348 } while (0)
349
350static void del_mesh_config(struct ieee80211_sub_if_data *sdata)
351{
352 MESHPARAMS_DEL(dot11MeshMaxRetries);
353 MESHPARAMS_DEL(dot11MeshRetryTimeout);
354 MESHPARAMS_DEL(dot11MeshConfirmTimeout);
355 MESHPARAMS_DEL(dot11MeshHoldingTimeout);
356 MESHPARAMS_DEL(dot11MeshTTL);
357 MESHPARAMS_DEL(auto_open_plinks);
358 MESHPARAMS_DEL(dot11MeshMaxPeerLinks);
359 MESHPARAMS_DEL(dot11MeshHWMPactivePathTimeout);
360 MESHPARAMS_DEL(dot11MeshHWMPpreqMinInterval);
361 MESHPARAMS_DEL(dot11MeshHWMPnetDiameterTraversalTime);
362 MESHPARAMS_DEL(dot11MeshHWMPmaxPREQretries);
363 MESHPARAMS_DEL(path_refresh_time);
364 MESHPARAMS_DEL(min_discovery_timeout);
365 debugfs_remove(sdata->mesh_config_dir);
366 sdata->mesh_config_dir = NULL;
367}
368#endif
369
370static void del_files(struct ieee80211_sub_if_data *sdata)
371{
372 if (!sdata->debugfsdir)
373 return;
374
375 switch (sdata->vif.type) {
376 case NL80211_IFTYPE_MESH_POINT:
377#ifdef CONFIG_MAC80211_MESH
378 del_mesh_stats(sdata);
379 del_mesh_config(sdata);
380#endif
381 break;
382 case NL80211_IFTYPE_STATION:
383 del_sta_files(sdata);
384 break;
385 case NL80211_IFTYPE_ADHOC:
386 /* XXX */
387 break;
388 case NL80211_IFTYPE_AP:
389 del_ap_files(sdata);
390 break;
391 case NL80211_IFTYPE_WDS:
392 del_wds_files(sdata);
393 break;
394 case NL80211_IFTYPE_MONITOR:
395 del_monitor_files(sdata);
396 break;
397 case NL80211_IFTYPE_AP_VLAN:
398 del_vlan_files(sdata);
399 break;
400 default:
401 break;
402 }
403}
404
405static int notif_registered; 281static int notif_registered;
406 282
407void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) 283void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
@@ -412,16 +288,18 @@ void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
412 return; 288 return;
413 289
414 sprintf(buf, "netdev:%s", sdata->dev->name); 290 sprintf(buf, "netdev:%s", sdata->dev->name);
415 sdata->debugfsdir = debugfs_create_dir(buf, 291 sdata->debugfs.dir = debugfs_create_dir(buf,
416 sdata->local->hw.wiphy->debugfsdir); 292 sdata->local->hw.wiphy->debugfsdir);
417 add_files(sdata); 293 add_files(sdata);
418} 294}
419 295
420void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) 296void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
421{ 297{
422 del_files(sdata); 298 if (!sdata->debugfs.dir)
423 debugfs_remove(sdata->debugfsdir); 299 return;
424 sdata->debugfsdir = NULL; 300
301 debugfs_remove_recursive(sdata->debugfs.dir);
302 sdata->debugfs.dir = NULL;
425} 303}
426 304
427static int netdev_notify(struct notifier_block *nb, 305static int netdev_notify(struct notifier_block *nb,
@@ -444,7 +322,7 @@ static int netdev_notify(struct notifier_block *nb,
444 322
445 sdata = IEEE80211_DEV_TO_SUB_IF(dev); 323 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
446 324
447 dir = sdata->debugfsdir; 325 dir = sdata->debugfs.dir;
448 326
449 if (!dir) 327 if (!dir)
450 return 0; 328 return 0;
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 33a2e892115b..f043c29070d7 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -57,7 +57,6 @@ STA_FILE(tx_filtered, tx_filtered_count, LU);
57STA_FILE(tx_retry_failed, tx_retry_failed, LU); 57STA_FILE(tx_retry_failed, tx_retry_failed, LU);
58STA_FILE(tx_retry_count, tx_retry_count, LU); 58STA_FILE(tx_retry_count, tx_retry_count, LU);
59STA_FILE(last_signal, last_signal, D); 59STA_FILE(last_signal, last_signal, D);
60STA_FILE(last_qual, last_qual, D);
61STA_FILE(last_noise, last_noise, D); 60STA_FILE(last_noise, last_noise, D);
62STA_FILE(wep_weak_iv_count, wep_weak_iv_count, LU); 61STA_FILE(wep_weak_iv_count, wep_weak_iv_count, LU);
63 62
@@ -67,10 +66,11 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
67 char buf[100]; 66 char buf[100];
68 struct sta_info *sta = file->private_data; 67 struct sta_info *sta = file->private_data;
69 u32 staflags = get_sta_flags(sta); 68 u32 staflags = get_sta_flags(sta);
70 int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s", 69 int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
71 staflags & WLAN_STA_AUTH ? "AUTH\n" : "", 70 staflags & WLAN_STA_AUTH ? "AUTH\n" : "",
72 staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "", 71 staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
73 staflags & WLAN_STA_PS ? "PS\n" : "", 72 staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "",
73 staflags & WLAN_STA_PS_DRIVER ? "PS (driver)\n" : "",
74 staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "", 74 staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
75 staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "", 75 staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
76 staflags & WLAN_STA_WME ? "WME\n" : "", 76 staflags & WLAN_STA_WME ? "WME\n" : "",
@@ -158,13 +158,9 @@ static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
158STA_OPS(agg_status); 158STA_OPS(agg_status);
159 159
160#define DEBUGFS_ADD(name) \ 160#define DEBUGFS_ADD(name) \
161 sta->debugfs.name = debugfs_create_file(#name, 0400, \ 161 debugfs_create_file(#name, 0400, \
162 sta->debugfs.dir, sta, &sta_ ##name## _ops); 162 sta->debugfs.dir, sta, &sta_ ##name## _ops);
163 163
164#define DEBUGFS_DEL(name) \
165 debugfs_remove(sta->debugfs.name);\
166 sta->debugfs.name = NULL;
167
168 164
169void ieee80211_sta_debugfs_add(struct sta_info *sta) 165void ieee80211_sta_debugfs_add(struct sta_info *sta)
170{ 166{
@@ -209,36 +205,12 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
209 DEBUGFS_ADD(tx_retry_failed); 205 DEBUGFS_ADD(tx_retry_failed);
210 DEBUGFS_ADD(tx_retry_count); 206 DEBUGFS_ADD(tx_retry_count);
211 DEBUGFS_ADD(last_signal); 207 DEBUGFS_ADD(last_signal);
212 DEBUGFS_ADD(last_qual);
213 DEBUGFS_ADD(last_noise); 208 DEBUGFS_ADD(last_noise);
214 DEBUGFS_ADD(wep_weak_iv_count); 209 DEBUGFS_ADD(wep_weak_iv_count);
215} 210}
216 211
217void ieee80211_sta_debugfs_remove(struct sta_info *sta) 212void ieee80211_sta_debugfs_remove(struct sta_info *sta)
218{ 213{
219 DEBUGFS_DEL(flags); 214 debugfs_remove_recursive(sta->debugfs.dir);
220 DEBUGFS_DEL(num_ps_buf_frames);
221 DEBUGFS_DEL(inactive_ms);
222 DEBUGFS_DEL(last_seq_ctrl);
223 DEBUGFS_DEL(agg_status);
224 DEBUGFS_DEL(aid);
225 DEBUGFS_DEL(dev);
226 DEBUGFS_DEL(rx_packets);
227 DEBUGFS_DEL(tx_packets);
228 DEBUGFS_DEL(rx_bytes);
229 DEBUGFS_DEL(tx_bytes);
230 DEBUGFS_DEL(rx_duplicates);
231 DEBUGFS_DEL(rx_fragments);
232 DEBUGFS_DEL(rx_dropped);
233 DEBUGFS_DEL(tx_fragments);
234 DEBUGFS_DEL(tx_filtered);
235 DEBUGFS_DEL(tx_retry_failed);
236 DEBUGFS_DEL(tx_retry_count);
237 DEBUGFS_DEL(last_signal);
238 DEBUGFS_DEL(last_qual);
239 DEBUGFS_DEL(last_noise);
240 DEBUGFS_DEL(wep_weak_iv_count);
241
242 debugfs_remove(sta->debugfs.dir);
243 sta->debugfs.dir = NULL; 215 sta->debugfs.dir = NULL;
244} 216}
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index f1362f32c17d..fbffce90edbc 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -455,6 +455,10 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
455 455
456 ieee80211_sta_expire(sdata, IEEE80211_IBSS_INACTIVITY_LIMIT); 456 ieee80211_sta_expire(sdata, IEEE80211_IBSS_INACTIVITY_LIMIT);
457 457
458 if (time_before(jiffies, ifibss->last_scan_completed +
459 IEEE80211_IBSS_MERGE_INTERVAL))
460 return;
461
458 if (ieee80211_sta_active_ibss(sdata)) 462 if (ieee80211_sta_active_ibss(sdata))
459 return; 463 return;
460 464
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 588005c84a6d..1ef767366b77 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -176,7 +176,6 @@ struct ieee80211_rx_data {
176 struct ieee80211_rate *rate; 176 struct ieee80211_rate *rate;
177 177
178 unsigned int flags; 178 unsigned int flags;
179 int sent_ps_buffered;
180 int queue; 179 int queue;
181 u32 tkip_iv32; 180 u32 tkip_iv32;
182 u16 tkip_iv16; 181 u16 tkip_iv16;
@@ -471,74 +470,11 @@ struct ieee80211_sub_if_data {
471 } u; 470 } u;
472 471
473#ifdef CONFIG_MAC80211_DEBUGFS 472#ifdef CONFIG_MAC80211_DEBUGFS
474 struct dentry *debugfsdir;
475 union {
476 struct {
477 struct dentry *drop_unencrypted;
478 struct dentry *bssid;
479 struct dentry *aid;
480 struct dentry *capab;
481 struct dentry *force_unicast_rateidx;
482 struct dentry *max_ratectrl_rateidx;
483 } sta;
484 struct {
485 struct dentry *drop_unencrypted;
486 struct dentry *num_sta_ps;
487 struct dentry *dtim_count;
488 struct dentry *force_unicast_rateidx;
489 struct dentry *max_ratectrl_rateidx;
490 struct dentry *num_buffered_multicast;
491 } ap;
492 struct {
493 struct dentry *drop_unencrypted;
494 struct dentry *peer;
495 struct dentry *force_unicast_rateidx;
496 struct dentry *max_ratectrl_rateidx;
497 } wds;
498 struct {
499 struct dentry *drop_unencrypted;
500 struct dentry *force_unicast_rateidx;
501 struct dentry *max_ratectrl_rateidx;
502 } vlan;
503 struct {
504 struct dentry *mode;
505 } monitor;
506 } debugfs;
507 struct { 473 struct {
474 struct dentry *dir;
508 struct dentry *default_key; 475 struct dentry *default_key;
509 struct dentry *default_mgmt_key; 476 struct dentry *default_mgmt_key;
510 } common_debugfs; 477 } debugfs;
511
512#ifdef CONFIG_MAC80211_MESH
513 struct dentry *mesh_stats_dir;
514 struct {
515 struct dentry *fwded_mcast;
516 struct dentry *fwded_unicast;
517 struct dentry *fwded_frames;
518 struct dentry *dropped_frames_ttl;
519 struct dentry *dropped_frames_no_route;
520 struct dentry *estab_plinks;
521 struct timer_list mesh_path_timer;
522 } mesh_stats;
523
524 struct dentry *mesh_config_dir;
525 struct {
526 struct dentry *dot11MeshRetryTimeout;
527 struct dentry *dot11MeshConfirmTimeout;
528 struct dentry *dot11MeshHoldingTimeout;
529 struct dentry *dot11MeshMaxRetries;
530 struct dentry *dot11MeshTTL;
531 struct dentry *auto_open_plinks;
532 struct dentry *dot11MeshMaxPeerLinks;
533 struct dentry *dot11MeshHWMPactivePathTimeout;
534 struct dentry *dot11MeshHWMPpreqMinInterval;
535 struct dentry *dot11MeshHWMPnetDiameterTraversalTime;
536 struct dentry *dot11MeshHWMPmaxPREQretries;
537 struct dentry *path_refresh_time;
538 struct dentry *min_discovery_timeout;
539 } mesh_config;
540#endif
541
542#endif 478#endif
543 /* must be last, dynamically sized area in this! */ 479 /* must be last, dynamically sized area in this! */
544 struct ieee80211_vif vif; 480 struct ieee80211_vif vif;
@@ -730,10 +666,9 @@ struct ieee80211_local {
730 unsigned long scanning; 666 unsigned long scanning;
731 struct cfg80211_ssid scan_ssid; 667 struct cfg80211_ssid scan_ssid;
732 struct cfg80211_scan_request *int_scan_req; 668 struct cfg80211_scan_request *int_scan_req;
733 struct cfg80211_scan_request *scan_req; 669 struct cfg80211_scan_request *scan_req, *hw_scan_req;
734 struct ieee80211_channel *scan_channel; 670 struct ieee80211_channel *scan_channel;
735 const u8 *orig_ies; 671 enum ieee80211_band hw_scan_band;
736 int orig_ies_len;
737 int scan_channel_idx; 672 int scan_channel_idx;
738 int scan_ies_len; 673 int scan_ies_len;
739 674
@@ -818,53 +753,6 @@ struct ieee80211_local {
818#ifdef CONFIG_MAC80211_DEBUGFS 753#ifdef CONFIG_MAC80211_DEBUGFS
819 struct local_debugfsdentries { 754 struct local_debugfsdentries {
820 struct dentry *rcdir; 755 struct dentry *rcdir;
821 struct dentry *rcname;
822 struct dentry *frequency;
823 struct dentry *total_ps_buffered;
824 struct dentry *wep_iv;
825 struct dentry *tsf;
826 struct dentry *queues;
827 struct dentry *reset;
828 struct dentry *noack;
829 struct dentry *statistics;
830 struct local_debugfsdentries_statsdentries {
831 struct dentry *transmitted_fragment_count;
832 struct dentry *multicast_transmitted_frame_count;
833 struct dentry *failed_count;
834 struct dentry *retry_count;
835 struct dentry *multiple_retry_count;
836 struct dentry *frame_duplicate_count;
837 struct dentry *received_fragment_count;
838 struct dentry *multicast_received_frame_count;
839 struct dentry *transmitted_frame_count;
840 struct dentry *wep_undecryptable_count;
841 struct dentry *num_scans;
842#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
843 struct dentry *tx_handlers_drop;
844 struct dentry *tx_handlers_queued;
845 struct dentry *tx_handlers_drop_unencrypted;
846 struct dentry *tx_handlers_drop_fragment;
847 struct dentry *tx_handlers_drop_wep;
848 struct dentry *tx_handlers_drop_not_assoc;
849 struct dentry *tx_handlers_drop_unauth_port;
850 struct dentry *rx_handlers_drop;
851 struct dentry *rx_handlers_queued;
852 struct dentry *rx_handlers_drop_nullfunc;
853 struct dentry *rx_handlers_drop_defrag;
854 struct dentry *rx_handlers_drop_short;
855 struct dentry *rx_handlers_drop_passive_scan;
856 struct dentry *tx_expand_skb_head;
857 struct dentry *tx_expand_skb_head_cloned;
858 struct dentry *rx_expand_skb_head;
859 struct dentry *rx_expand_skb_head2;
860 struct dentry *rx_handlers_fragments;
861 struct dentry *tx_status_drop;
862#endif
863 struct dentry *dot11ACKFailureCount;
864 struct dentry *dot11RTSFailureCount;
865 struct dentry *dot11FCSErrorCount;
866 struct dentry *dot11RTSSuccessCount;
867 } stats;
868 struct dentry *stations; 756 struct dentry *stations;
869 struct dentry *keys; 757 struct dentry *keys;
870 } debugfs; 758 } debugfs;
@@ -1160,7 +1048,8 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
1160 u8 *extra, size_t extra_len, const u8 *bssid, 1048 u8 *extra, size_t extra_len, const u8 *bssid,
1161 const u8 *key, u8 key_len, u8 key_idx); 1049 const u8 *key, u8 key_len, u8 key_idx);
1162int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 1050int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
1163 const u8 *ie, size_t ie_len); 1051 const u8 *ie, size_t ie_len,
1052 enum ieee80211_band band);
1164void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, 1053void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
1165 const u8 *ssid, size_t ssid_len, 1054 const u8 *ssid, size_t ssid_len,
1166 const u8 *ie, size_t ie_len); 1055 const u8 *ie, size_t ie_len);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 14f10eb91c5c..8495161b99b8 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -214,8 +214,8 @@ static int ieee80211_open(struct net_device *dev)
214 /* must be before the call to ieee80211_configure_filter */ 214 /* must be before the call to ieee80211_configure_filter */
215 local->monitors++; 215 local->monitors++;
216 if (local->monitors == 1) { 216 if (local->monitors == 1) {
217 local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP; 217 local->hw.conf.flags |= IEEE80211_CONF_MONITOR;
218 hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP; 218 hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
219 } 219 }
220 220
221 if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL) 221 if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
@@ -435,8 +435,8 @@ static int ieee80211_stop(struct net_device *dev)
435 435
436 local->monitors--; 436 local->monitors--;
437 if (local->monitors == 0) { 437 if (local->monitors == 0) {
438 local->hw.conf.flags &= ~IEEE80211_CONF_RADIOTAP; 438 local->hw.conf.flags &= ~IEEE80211_CONF_MONITOR;
439 hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP; 439 hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
440 } 440 }
441 441
442 if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL) 442 if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index 9572e00f532c..a49f93b79e92 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -118,18 +118,6 @@ struct ieee80211_key {
118 struct { 118 struct {
119 struct dentry *stalink; 119 struct dentry *stalink;
120 struct dentry *dir; 120 struct dentry *dir;
121 struct dentry *keylen;
122 struct dentry *flags;
123 struct dentry *keyidx;
124 struct dentry *hw_key_idx;
125 struct dentry *tx_rx_count;
126 struct dentry *algorithm;
127 struct dentry *tx_spec;
128 struct dentry *rx_spec;
129 struct dentry *replays;
130 struct dentry *icverrors;
131 struct dentry *key;
132 struct dentry *ifindex;
133 int cnt; 121 int cnt;
134 } debugfs; 122 } debugfs;
135#endif 123#endif
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 797f53942e5f..beb8718d905e 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -385,13 +385,13 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
385 * can be unknown, for example with different interrupt status 385 * can be unknown, for example with different interrupt status
386 * bits. 386 * bits.
387 */ 387 */
388 if (test_sta_flags(sta, WLAN_STA_PS) && 388 if (test_sta_flags(sta, WLAN_STA_PS_STA) &&
389 skb_queue_len(&sta->tx_filtered) < STA_MAX_TX_BUFFER) { 389 skb_queue_len(&sta->tx_filtered) < STA_MAX_TX_BUFFER) {
390 skb_queue_tail(&sta->tx_filtered, skb); 390 skb_queue_tail(&sta->tx_filtered, skb);
391 return; 391 return;
392 } 392 }
393 393
394 if (!test_sta_flags(sta, WLAN_STA_PS) && 394 if (!test_sta_flags(sta, WLAN_STA_PS_STA) &&
395 !(info->flags & IEEE80211_TX_INTFL_RETRIED)) { 395 !(info->flags & IEEE80211_TX_INTFL_RETRIED)) {
396 /* Software retry the packet once */ 396 /* Software retry the packet once */
397 info->flags |= IEEE80211_TX_INTFL_RETRIED; 397 info->flags |= IEEE80211_TX_INTFL_RETRIED;
@@ -406,7 +406,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
406 "queue_len=%d PS=%d @%lu\n", 406 "queue_len=%d PS=%d @%lu\n",
407 wiphy_name(local->hw.wiphy), 407 wiphy_name(local->hw.wiphy),
408 skb_queue_len(&sta->tx_filtered), 408 skb_queue_len(&sta->tx_filtered),
409 !!test_sta_flags(sta, WLAN_STA_PS), jiffies); 409 !!test_sta_flags(sta, WLAN_STA_PS_STA), jiffies);
410#endif 410#endif
411 dev_kfree_skb(skb); 411 dev_kfree_skb(skb);
412} 412}
@@ -446,7 +446,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
446 446
447 if (sta) { 447 if (sta) {
448 if (!(info->flags & IEEE80211_TX_STAT_ACK) && 448 if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
449 test_sta_flags(sta, WLAN_STA_PS)) { 449 test_sta_flags(sta, WLAN_STA_PS_STA)) {
450 /* 450 /*
451 * The STA is in power save mode, so assume 451 * The STA is in power save mode, so assume
452 * that this TX packet failed because of that. 452 * that this TX packet failed because of that.
@@ -901,6 +901,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
901 i++; 901 i++;
902 } 902 }
903 } 903 }
904 local->int_scan_req->n_channels = i;
904 905
905 local->network_latency_notifier.notifier_call = 906 local->network_latency_notifier.notifier_call =
906 ieee80211_max_network_latency; 907 ieee80211_max_network_latency;
@@ -923,7 +924,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
923 fail_wep: 924 fail_wep:
924 sta_info_stop(local); 925 sta_info_stop(local);
925 fail_sta_info: 926 fail_sta_info:
926 debugfs_hw_del(local);
927 destroy_workqueue(local->workqueue); 927 destroy_workqueue(local->workqueue);
928 fail_workqueue: 928 fail_workqueue:
929 wiphy_unregister(local->hw.wiphy); 929 wiphy_unregister(local->hw.wiphy);
@@ -959,7 +959,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
959 ieee80211_clear_tx_pending(local); 959 ieee80211_clear_tx_pending(local);
960 sta_info_stop(local); 960 sta_info_stop(local);
961 rate_control_deinitialize(local); 961 rate_control_deinitialize(local);
962 debugfs_hw_del(local);
963 962
964 if (skb_queue_len(&local->skb_queue) 963 if (skb_queue_len(&local->skb_queue)
965 || skb_queue_len(&local->skb_queue_unreliable)) 964 || skb_queue_len(&local->skb_queue_unreliable))
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index b33efc4fc267..ccda7454fb17 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -163,8 +163,7 @@ struct rate_control_ref *rate_control_alloc(const char *name,
163#ifdef CONFIG_MAC80211_DEBUGFS 163#ifdef CONFIG_MAC80211_DEBUGFS
164 debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir); 164 debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir);
165 local->debugfs.rcdir = debugfsdir; 165 local->debugfs.rcdir = debugfsdir;
166 local->debugfs.rcname = debugfs_create_file("name", 0400, debugfsdir, 166 debugfs_create_file("name", 0400, debugfsdir, ref, &rcname_ops);
167 ref, &rcname_ops);
168#endif 167#endif
169 168
170 ref->priv = ref->ops->alloc(&local->hw, debugfsdir); 169 ref->priv = ref->ops->alloc(&local->hw, debugfsdir);
@@ -188,9 +187,7 @@ static void rate_control_release(struct kref *kref)
188 ctrl_ref->ops->free(ctrl_ref->priv); 187 ctrl_ref->ops->free(ctrl_ref->priv);
189 188
190#ifdef CONFIG_MAC80211_DEBUGFS 189#ifdef CONFIG_MAC80211_DEBUGFS
191 debugfs_remove(ctrl_ref->local->debugfs.rcname); 190 debugfs_remove_recursive(ctrl_ref->local->debugfs.rcdir);
192 ctrl_ref->local->debugfs.rcname = NULL;
193 debugfs_remove(ctrl_ref->local->debugfs.rcdir);
194 ctrl_ref->local->debugfs.rcdir = NULL; 191 ctrl_ref->local->debugfs.rcdir = NULL;
195#endif 192#endif
196 193
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 5c385e3c1d1f..28316b2a585f 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -39,11 +39,8 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
39 * only useful for monitoring. 39 * only useful for monitoring.
40 */ 40 */
41static struct sk_buff *remove_monitor_info(struct ieee80211_local *local, 41static struct sk_buff *remove_monitor_info(struct ieee80211_local *local,
42 struct sk_buff *skb, 42 struct sk_buff *skb)
43 int rtap_len)
44{ 43{
45 skb_pull(skb, rtap_len);
46
47 if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS) { 44 if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS) {
48 if (likely(skb->len > FCS_LEN)) 45 if (likely(skb->len > FCS_LEN))
49 skb_trim(skb, skb->len - FCS_LEN); 46 skb_trim(skb, skb->len - FCS_LEN);
@@ -59,15 +56,14 @@ static struct sk_buff *remove_monitor_info(struct ieee80211_local *local,
59} 56}
60 57
61static inline int should_drop_frame(struct sk_buff *skb, 58static inline int should_drop_frame(struct sk_buff *skb,
62 int present_fcs_len, 59 int present_fcs_len)
63 int radiotap_len)
64{ 60{
65 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); 61 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
66 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 62 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
67 63
68 if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC)) 64 if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC))
69 return 1; 65 return 1;
70 if (unlikely(skb->len < 16 + present_fcs_len + radiotap_len)) 66 if (unlikely(skb->len < 16 + present_fcs_len))
71 return 1; 67 return 1;
72 if (ieee80211_is_ctl(hdr->frame_control) && 68 if (ieee80211_is_ctl(hdr->frame_control) &&
73 !ieee80211_is_pspoll(hdr->frame_control) && 69 !ieee80211_is_pspoll(hdr->frame_control) &&
@@ -95,10 +91,6 @@ ieee80211_rx_radiotap_len(struct ieee80211_local *local,
95 if (len & 1) /* padding for RX_FLAGS if necessary */ 91 if (len & 1) /* padding for RX_FLAGS if necessary */
96 len++; 92 len++;
97 93
98 /* make sure radiotap starts at a naturally aligned address */
99 if (len % 8)
100 len = roundup(len, 8);
101
102 return len; 94 return len;
103} 95}
104 96
@@ -116,6 +108,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
116 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); 108 struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
117 struct ieee80211_radiotap_header *rthdr; 109 struct ieee80211_radiotap_header *rthdr;
118 unsigned char *pos; 110 unsigned char *pos;
111 u16 rx_flags = 0;
119 112
120 rthdr = (struct ieee80211_radiotap_header *)skb_push(skb, rtap_len); 113 rthdr = (struct ieee80211_radiotap_header *)skb_push(skb, rtap_len);
121 memset(rthdr, 0, rtap_len); 114 memset(rthdr, 0, rtap_len);
@@ -134,7 +127,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
134 127
135 /* IEEE80211_RADIOTAP_TSFT */ 128 /* IEEE80211_RADIOTAP_TSFT */
136 if (status->flag & RX_FLAG_TSFT) { 129 if (status->flag & RX_FLAG_TSFT) {
137 *(__le64 *)pos = cpu_to_le64(status->mactime); 130 put_unaligned_le64(status->mactime, pos);
138 rthdr->it_present |= 131 rthdr->it_present |=
139 cpu_to_le32(1 << IEEE80211_RADIOTAP_TSFT); 132 cpu_to_le32(1 << IEEE80211_RADIOTAP_TSFT);
140 pos += 8; 133 pos += 8;
@@ -166,17 +159,17 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
166 pos++; 159 pos++;
167 160
168 /* IEEE80211_RADIOTAP_CHANNEL */ 161 /* IEEE80211_RADIOTAP_CHANNEL */
169 *(__le16 *)pos = cpu_to_le16(status->freq); 162 put_unaligned_le16(status->freq, pos);
170 pos += 2; 163 pos += 2;
171 if (status->band == IEEE80211_BAND_5GHZ) 164 if (status->band == IEEE80211_BAND_5GHZ)
172 *(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_OFDM | 165 put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ,
173 IEEE80211_CHAN_5GHZ); 166 pos);
174 else if (rate->flags & IEEE80211_RATE_ERP_G) 167 else if (rate->flags & IEEE80211_RATE_ERP_G)
175 *(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_OFDM | 168 put_unaligned_le16(IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ,
176 IEEE80211_CHAN_2GHZ); 169 pos);
177 else 170 else
178 *(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_CCK | 171 put_unaligned_le16(IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ,
179 IEEE80211_CHAN_2GHZ); 172 pos);
180 pos += 2; 173 pos += 2;
181 174
182 /* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */ 175 /* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
@@ -205,10 +198,11 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
205 198
206 /* IEEE80211_RADIOTAP_RX_FLAGS */ 199 /* IEEE80211_RADIOTAP_RX_FLAGS */
207 /* ensure 2 byte alignment for the 2 byte field as required */ 200 /* ensure 2 byte alignment for the 2 byte field as required */
208 if ((pos - (unsigned char *)rthdr) & 1) 201 if ((pos - (u8 *)rthdr) & 1)
209 pos++; 202 pos++;
210 if (status->flag & RX_FLAG_FAILED_PLCP_CRC) 203 if (status->flag & RX_FLAG_FAILED_PLCP_CRC)
211 *(__le16 *)pos |= cpu_to_le16(IEEE80211_RADIOTAP_F_RX_BADPLCP); 204 rx_flags |= IEEE80211_RADIOTAP_F_RX_BADPLCP;
205 put_unaligned_le16(rx_flags, pos);
212 pos += 2; 206 pos += 2;
213} 207}
214 208
@@ -227,7 +221,6 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
227 struct sk_buff *skb, *skb2; 221 struct sk_buff *skb, *skb2;
228 struct net_device *prev_dev = NULL; 222 struct net_device *prev_dev = NULL;
229 int present_fcs_len = 0; 223 int present_fcs_len = 0;
230 int rtap_len = 0;
231 224
232 /* 225 /*
233 * First, we may need to make a copy of the skb because 226 * First, we may need to make a copy of the skb because
@@ -237,25 +230,23 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
237 * We don't need to, of course, if we aren't going to return 230 * We don't need to, of course, if we aren't going to return
238 * the SKB because it has a bad FCS/PLCP checksum. 231 * the SKB because it has a bad FCS/PLCP checksum.
239 */ 232 */
240 if (status->flag & RX_FLAG_RADIOTAP) 233
241 rtap_len = ieee80211_get_radiotap_len(origskb->data); 234 /* room for the radiotap header based on driver features */
242 else 235 needed_headroom = ieee80211_rx_radiotap_len(local, status);
243 /* room for the radiotap header based on driver features */
244 needed_headroom = ieee80211_rx_radiotap_len(local, status);
245 236
246 if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS) 237 if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)
247 present_fcs_len = FCS_LEN; 238 present_fcs_len = FCS_LEN;
248 239
249 if (!local->monitors) { 240 if (!local->monitors) {
250 if (should_drop_frame(origskb, present_fcs_len, rtap_len)) { 241 if (should_drop_frame(origskb, present_fcs_len)) {
251 dev_kfree_skb(origskb); 242 dev_kfree_skb(origskb);
252 return NULL; 243 return NULL;
253 } 244 }
254 245
255 return remove_monitor_info(local, origskb, rtap_len); 246 return remove_monitor_info(local, origskb);
256 } 247 }
257 248
258 if (should_drop_frame(origskb, present_fcs_len, rtap_len)) { 249 if (should_drop_frame(origskb, present_fcs_len)) {
259 /* only need to expand headroom if necessary */ 250 /* only need to expand headroom if necessary */
260 skb = origskb; 251 skb = origskb;
261 origskb = NULL; 252 origskb = NULL;
@@ -279,16 +270,14 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
279 */ 270 */
280 skb = skb_copy_expand(origskb, needed_headroom, 0, GFP_ATOMIC); 271 skb = skb_copy_expand(origskb, needed_headroom, 0, GFP_ATOMIC);
281 272
282 origskb = remove_monitor_info(local, origskb, rtap_len); 273 origskb = remove_monitor_info(local, origskb);
283 274
284 if (!skb) 275 if (!skb)
285 return origskb; 276 return origskb;
286 } 277 }
287 278
288 /* if necessary, prepend radiotap information */ 279 /* prepend radiotap information */
289 if (!(status->flag & RX_FLAG_RADIOTAP)) 280 ieee80211_add_rx_radiotap_header(local, skb, rate, needed_headroom);
290 ieee80211_add_rx_radiotap_header(local, skb, rate,
291 needed_headroom);
292 281
293 skb_reset_mac_header(skb); 282 skb_reset_mac_header(skb);
294 skb->ip_summed = CHECKSUM_UNNECESSARY; 283 skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -792,7 +781,7 @@ static void ap_sta_ps_start(struct sta_info *sta)
792 struct ieee80211_local *local = sdata->local; 781 struct ieee80211_local *local = sdata->local;
793 782
794 atomic_inc(&sdata->bss->num_sta_ps); 783 atomic_inc(&sdata->bss->num_sta_ps);
795 set_sta_flags(sta, WLAN_STA_PS); 784 set_sta_flags(sta, WLAN_STA_PS_STA);
796 drv_sta_notify(local, &sdata->vif, STA_NOTIFY_SLEEP, &sta->sta); 785 drv_sta_notify(local, &sdata->vif, STA_NOTIFY_SLEEP, &sta->sta);
797#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG 786#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
798 printk(KERN_DEBUG "%s: STA %pM aid %d enters power save mode\n", 787 printk(KERN_DEBUG "%s: STA %pM aid %d enters power save mode\n",
@@ -800,38 +789,28 @@ static void ap_sta_ps_start(struct sta_info *sta)
800#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ 789#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
801} 790}
802 791
803static int ap_sta_ps_end(struct sta_info *sta) 792static void ap_sta_ps_end(struct sta_info *sta)
804{ 793{
805 struct ieee80211_sub_if_data *sdata = sta->sdata; 794 struct ieee80211_sub_if_data *sdata = sta->sdata;
806 struct ieee80211_local *local = sdata->local;
807 int sent, buffered;
808 795
809 atomic_dec(&sdata->bss->num_sta_ps); 796 atomic_dec(&sdata->bss->num_sta_ps);
810 797
811 clear_sta_flags(sta, WLAN_STA_PS); 798 clear_sta_flags(sta, WLAN_STA_PS_STA);
812 drv_sta_notify(local, &sdata->vif, STA_NOTIFY_AWAKE, &sta->sta);
813
814 if (!skb_queue_empty(&sta->ps_tx_buf))
815 sta_info_clear_tim_bit(sta);
816 799
817#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG 800#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
818 printk(KERN_DEBUG "%s: STA %pM aid %d exits power save mode\n", 801 printk(KERN_DEBUG "%s: STA %pM aid %d exits power save mode\n",
819 sdata->dev->name, sta->sta.addr, sta->sta.aid); 802 sdata->dev->name, sta->sta.addr, sta->sta.aid);
820#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ 803#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
821 804
822 /* Send all buffered frames to the station */ 805 if (test_sta_flags(sta, WLAN_STA_PS_DRIVER)) {
823 sent = ieee80211_add_pending_skbs(local, &sta->tx_filtered);
824 buffered = ieee80211_add_pending_skbs(local, &sta->ps_tx_buf);
825 sent += buffered;
826 local->total_ps_buffered -= buffered;
827
828#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG 806#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
829 printk(KERN_DEBUG "%s: STA %pM aid %d sending %d filtered/%d PS frames " 807 printk(KERN_DEBUG "%s: STA %pM aid %d driver-ps-blocked\n",
830 "since STA not sleeping anymore\n", sdata->dev->name, 808 sdata->dev->name, sta->sta.addr, sta->sta.aid);
831 sta->sta.addr, sta->sta.aid, sent - buffered, buffered);
832#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ 809#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
810 return;
811 }
833 812
834 return sent; 813 ieee80211_sta_ps_deliver_wakeup(sta);
835} 814}
836 815
837static ieee80211_rx_result debug_noinline 816static ieee80211_rx_result debug_noinline
@@ -870,7 +849,6 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
870 sta->rx_fragments++; 849 sta->rx_fragments++;
871 sta->rx_bytes += rx->skb->len; 850 sta->rx_bytes += rx->skb->len;
872 sta->last_signal = rx->status->signal; 851 sta->last_signal = rx->status->signal;
873 sta->last_qual = rx->status->qual;
874 sta->last_noise = rx->status->noise; 852 sta->last_noise = rx->status->noise;
875 853
876 /* 854 /*
@@ -880,7 +858,7 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
880 if (!ieee80211_has_morefrags(hdr->frame_control) && 858 if (!ieee80211_has_morefrags(hdr->frame_control) &&
881 (rx->sdata->vif.type == NL80211_IFTYPE_AP || 859 (rx->sdata->vif.type == NL80211_IFTYPE_AP ||
882 rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) { 860 rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) {
883 if (test_sta_flags(sta, WLAN_STA_PS)) { 861 if (test_sta_flags(sta, WLAN_STA_PS_STA)) {
884 /* 862 /*
885 * Ignore doze->wake transitions that are 863 * Ignore doze->wake transitions that are
886 * indicated by non-data frames, the standard 864 * indicated by non-data frames, the standard
@@ -891,19 +869,24 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
891 */ 869 */
892 if (ieee80211_is_data(hdr->frame_control) && 870 if (ieee80211_is_data(hdr->frame_control) &&
893 !ieee80211_has_pm(hdr->frame_control)) 871 !ieee80211_has_pm(hdr->frame_control))
894 rx->sent_ps_buffered += ap_sta_ps_end(sta); 872 ap_sta_ps_end(sta);
895 } else { 873 } else {
896 if (ieee80211_has_pm(hdr->frame_control)) 874 if (ieee80211_has_pm(hdr->frame_control))
897 ap_sta_ps_start(sta); 875 ap_sta_ps_start(sta);
898 } 876 }
899 } 877 }
900 878
901 /* Drop data::nullfunc frames silently, since they are used only to 879 /*
902 * control station power saving mode. */ 880 * Drop (qos-)data::nullfunc frames silently, since they
903 if (ieee80211_is_nullfunc(hdr->frame_control)) { 881 * are used only to control station power saving mode.
882 */
883 if (ieee80211_is_nullfunc(hdr->frame_control) ||
884 ieee80211_is_qos_nullfunc(hdr->frame_control)) {
904 I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc); 885 I802_DEBUG_INC(rx->local->rx_handlers_drop_nullfunc);
905 /* Update counter and free packet here to avoid counting this 886 /*
906 * as a dropped packed. */ 887 * Update counter and free packet here to avoid
888 * counting this as a dropped packed.
889 */
907 sta->rx_packets++; 890 sta->rx_packets++;
908 dev_kfree_skb(rx->skb); 891 dev_kfree_skb(rx->skb);
909 return RX_QUEUED; 892 return RX_QUEUED;
@@ -1103,9 +1086,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
1103static ieee80211_rx_result debug_noinline 1086static ieee80211_rx_result debug_noinline
1104ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx) 1087ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
1105{ 1088{
1106 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); 1089 struct ieee80211_sub_if_data *sdata = rx->sdata;
1107 struct sk_buff *skb;
1108 int no_pending_pkts;
1109 __le16 fc = ((struct ieee80211_hdr *)rx->skb->data)->frame_control; 1090 __le16 fc = ((struct ieee80211_hdr *)rx->skb->data)->frame_control;
1110 1091
1111 if (likely(!rx->sta || !ieee80211_is_pspoll(fc) || 1092 if (likely(!rx->sta || !ieee80211_is_pspoll(fc) ||
@@ -1116,56 +1097,10 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
1116 (sdata->vif.type != NL80211_IFTYPE_AP_VLAN)) 1097 (sdata->vif.type != NL80211_IFTYPE_AP_VLAN))
1117 return RX_DROP_UNUSABLE; 1098 return RX_DROP_UNUSABLE;
1118 1099
1119 skb = skb_dequeue(&rx->sta->tx_filtered); 1100 if (!test_sta_flags(rx->sta, WLAN_STA_PS_DRIVER))
1120 if (!skb) { 1101 ieee80211_sta_ps_deliver_poll_response(rx->sta);
1121 skb = skb_dequeue(&rx->sta->ps_tx_buf); 1102 else
1122 if (skb) 1103 set_sta_flags(rx->sta, WLAN_STA_PSPOLL);
1123 rx->local->total_ps_buffered--;
1124 }
1125 no_pending_pkts = skb_queue_empty(&rx->sta->tx_filtered) &&
1126 skb_queue_empty(&rx->sta->ps_tx_buf);
1127
1128 if (skb) {
1129 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1130 struct ieee80211_hdr *hdr =
1131 (struct ieee80211_hdr *) skb->data;
1132
1133 /*
1134 * Tell TX path to send this frame even though the STA may
1135 * still remain is PS mode after this frame exchange.
1136 */
1137 info->flags |= IEEE80211_TX_CTL_PSPOLL_RESPONSE;
1138
1139#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
1140 printk(KERN_DEBUG "STA %pM aid %d: PS Poll (entries after %d)\n",
1141 rx->sta->sta.addr, rx->sta->sta.aid,
1142 skb_queue_len(&rx->sta->ps_tx_buf));
1143#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
1144
1145 /* Use MoreData flag to indicate whether there are more
1146 * buffered frames for this STA */
1147 if (no_pending_pkts)
1148 hdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
1149 else
1150 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
1151
1152 ieee80211_add_pending_skb(rx->local, skb);
1153
1154 if (no_pending_pkts)
1155 sta_info_clear_tim_bit(rx->sta);
1156#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
1157 } else if (!rx->sent_ps_buffered) {
1158 /*
1159 * FIXME: This can be the result of a race condition between
1160 * us expiring a frame and the station polling for it.
1161 * Should we send it a null-func frame indicating we
1162 * have nothing buffered for it?
1163 */
1164 printk(KERN_DEBUG "%s: STA %pM sent PS Poll even "
1165 "though there are no buffered frames for it\n",
1166 rx->dev->name, rx->sta->sta.addr);
1167#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
1168 }
1169 1104
1170 /* Free PS Poll skb here instead of returning RX_DROP that would 1105 /* Free PS Poll skb here instead of returning RX_DROP that would
1171 * count as an dropped frame. */ 1106 * count as an dropped frame. */
@@ -1337,10 +1272,10 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
1337 skb = NULL; 1272 skb = NULL;
1338 } else { 1273 } else {
1339 u8 *data = skb->data; 1274 u8 *data = skb->data;
1340 size_t len = skb->len; 1275 size_t len = skb_headlen(skb);
1341 u8 *new = __skb_push(skb, align); 1276 skb->data -= align;
1342 memmove(new, data, len); 1277 memmove(skb->data, data, len);
1343 __skb_trim(skb, len); 1278 skb_set_tail_pointer(skb, len);
1344 } 1279 }
1345 } 1280 }
1346#endif 1281#endif
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 7a350d2690a0..4cf387c944bf 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -12,8 +12,6 @@
12 * published by the Free Software Foundation. 12 * published by the Free Software Foundation.
13 */ 13 */
14 14
15/* TODO: figure out how to avoid that the "current BSS" expires */
16
17#include <linux/wireless.h> 15#include <linux/wireless.h>
18#include <linux/if_arp.h> 16#include <linux/if_arp.h>
19#include <linux/rtnetlink.h> 17#include <linux/rtnetlink.h>
@@ -189,6 +187,39 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
189 return RX_QUEUED; 187 return RX_QUEUED;
190} 188}
191 189
190/* return false if no more work */
191static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
192{
193 struct cfg80211_scan_request *req = local->scan_req;
194 enum ieee80211_band band;
195 int i, ielen, n_chans;
196
197 do {
198 if (local->hw_scan_band == IEEE80211_NUM_BANDS)
199 return false;
200
201 band = local->hw_scan_band;
202 n_chans = 0;
203 for (i = 0; i < req->n_channels; i++) {
204 if (req->channels[i]->band == band) {
205 local->hw_scan_req->channels[n_chans] =
206 req->channels[i];
207 n_chans++;
208 }
209 }
210
211 local->hw_scan_band++;
212 } while (!n_chans);
213
214 local->hw_scan_req->n_channels = n_chans;
215
216 ielen = ieee80211_build_preq_ies(local, (u8 *)local->hw_scan_req->ie,
217 req->ie, req->ie_len, band);
218 local->hw_scan_req->ie_len = ielen;
219
220 return true;
221}
222
192/* 223/*
193 * inform AP that we will go to sleep so that it will buffer the frames 224 * inform AP that we will go to sleep so that it will buffer the frames
194 * while we scan 225 * while we scan
@@ -249,13 +280,6 @@ static void ieee80211_scan_ps_disable(struct ieee80211_sub_if_data *sdata)
249 } 280 }
250} 281}
251 282
252static void ieee80211_restore_scan_ies(struct ieee80211_local *local)
253{
254 kfree(local->scan_req->ie);
255 local->scan_req->ie = local->orig_ies;
256 local->scan_req->ie_len = local->orig_ies_len;
257}
258
259void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted) 283void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
260{ 284{
261 struct ieee80211_local *local = hw_to_local(hw); 285 struct ieee80211_local *local = hw_to_local(hw);
@@ -264,25 +288,36 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
264 288
265 mutex_lock(&local->scan_mtx); 289 mutex_lock(&local->scan_mtx);
266 290
267 if (WARN_ON(!local->scanning)) { 291 /*
292 * It's ok to abort a not-yet-running scan (that
293 * we have one at all will be verified by checking
294 * local->scan_req next), but not to complete it
295 * successfully.
296 */
297 if (WARN_ON(!local->scanning && !aborted))
298 aborted = true;
299
300 if (WARN_ON(!local->scan_req)) {
268 mutex_unlock(&local->scan_mtx); 301 mutex_unlock(&local->scan_mtx);
269 return; 302 return;
270 } 303 }
271 304
272 if (WARN_ON(!local->scan_req)) { 305 was_hw_scan = test_bit(SCAN_HW_SCANNING, &local->scanning);
306 if (was_hw_scan && !aborted && ieee80211_prep_hw_scan(local)) {
307 ieee80211_queue_delayed_work(&local->hw,
308 &local->scan_work, 0);
273 mutex_unlock(&local->scan_mtx); 309 mutex_unlock(&local->scan_mtx);
274 return; 310 return;
275 } 311 }
276 312
277 if (test_bit(SCAN_HW_SCANNING, &local->scanning)) 313 kfree(local->hw_scan_req);
278 ieee80211_restore_scan_ies(local); 314 local->hw_scan_req = NULL;
279 315
280 if (local->scan_req != local->int_scan_req) 316 if (local->scan_req != local->int_scan_req)
281 cfg80211_scan_done(local->scan_req, aborted); 317 cfg80211_scan_done(local->scan_req, aborted);
282 local->scan_req = NULL; 318 local->scan_req = NULL;
283 local->scan_sdata = NULL; 319 local->scan_sdata = NULL;
284 320
285 was_hw_scan = test_bit(SCAN_HW_SCANNING, &local->scanning);
286 local->scanning = 0; 321 local->scanning = 0;
287 local->scan_channel = NULL; 322 local->scan_channel = NULL;
288 323
@@ -394,19 +429,23 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
394 429
395 if (local->ops->hw_scan) { 430 if (local->ops->hw_scan) {
396 u8 *ies; 431 u8 *ies;
397 int ielen;
398 432
399 ies = kmalloc(2 + IEEE80211_MAX_SSID_LEN + 433 local->hw_scan_req = kmalloc(
400 local->scan_ies_len + req->ie_len, GFP_KERNEL); 434 sizeof(*local->hw_scan_req) +
401 if (!ies) 435 req->n_channels * sizeof(req->channels[0]) +
436 2 + IEEE80211_MAX_SSID_LEN + local->scan_ies_len +
437 req->ie_len, GFP_KERNEL);
438 if (!local->hw_scan_req)
402 return -ENOMEM; 439 return -ENOMEM;
403 440
404 ielen = ieee80211_build_preq_ies(local, ies, 441 local->hw_scan_req->ssids = req->ssids;
405 req->ie, req->ie_len); 442 local->hw_scan_req->n_ssids = req->n_ssids;
406 local->orig_ies = req->ie; 443 ies = (u8 *)local->hw_scan_req +
407 local->orig_ies_len = req->ie_len; 444 sizeof(*local->hw_scan_req) +
408 req->ie = ies; 445 req->n_channels * sizeof(req->channels[0]);
409 req->ie_len = ielen; 446 local->hw_scan_req->ie = ies;
447
448 local->hw_scan_band = 0;
410 } 449 }
411 450
412 local->scan_req = req; 451 local->scan_req = req;
@@ -438,16 +477,17 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
438 ieee80211_recalc_idle(local); 477 ieee80211_recalc_idle(local);
439 mutex_unlock(&local->scan_mtx); 478 mutex_unlock(&local->scan_mtx);
440 479
441 if (local->ops->hw_scan) 480 if (local->ops->hw_scan) {
442 rc = drv_hw_scan(local, local->scan_req); 481 WARN_ON(!ieee80211_prep_hw_scan(local));
443 else 482 rc = drv_hw_scan(local, local->hw_scan_req);
483 } else
444 rc = ieee80211_start_sw_scan(local); 484 rc = ieee80211_start_sw_scan(local);
445 485
446 mutex_lock(&local->scan_mtx); 486 mutex_lock(&local->scan_mtx);
447 487
448 if (rc) { 488 if (rc) {
449 if (local->ops->hw_scan) 489 kfree(local->hw_scan_req);
450 ieee80211_restore_scan_ies(local); 490 local->hw_scan_req = NULL;
451 local->scanning = 0; 491 local->scanning = 0;
452 492
453 ieee80211_recalc_idle(local); 493 ieee80211_recalc_idle(local);
@@ -574,23 +614,14 @@ static void ieee80211_scan_state_set_channel(struct ieee80211_local *local,
574{ 614{
575 int skip; 615 int skip;
576 struct ieee80211_channel *chan; 616 struct ieee80211_channel *chan;
577 struct ieee80211_sub_if_data *sdata = local->scan_sdata;
578 617
579 skip = 0; 618 skip = 0;
580 chan = local->scan_req->channels[local->scan_channel_idx]; 619 chan = local->scan_req->channels[local->scan_channel_idx];
581 620
582 if (chan->flags & IEEE80211_CHAN_DISABLED || 621 local->scan_channel = chan;
583 (sdata->vif.type == NL80211_IFTYPE_ADHOC && 622 if (ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL))
584 chan->flags & IEEE80211_CHAN_NO_IBSS))
585 skip = 1; 623 skip = 1;
586 624
587 if (!skip) {
588 local->scan_channel = chan;
589 if (ieee80211_hw_config(local,
590 IEEE80211_CONF_CHANGE_CHANNEL))
591 skip = 1;
592 }
593
594 /* advance state machine to next channel/band */ 625 /* advance state machine to next channel/band */
595 local->scan_channel_idx++; 626 local->scan_channel_idx++;
596 627
@@ -656,6 +687,14 @@ void ieee80211_scan_work(struct work_struct *work)
656 return; 687 return;
657 } 688 }
658 689
690 if (local->hw_scan_req) {
691 int rc = drv_hw_scan(local, local->hw_scan_req);
692 mutex_unlock(&local->scan_mtx);
693 if (rc)
694 ieee80211_scan_completed(&local->hw, true);
695 return;
696 }
697
659 if (local->scan_req && !local->scanning) { 698 if (local->scan_req && !local->scanning) {
660 struct cfg80211_scan_request *req = local->scan_req; 699 struct cfg80211_scan_request *req = local->scan_req;
661 int rc; 700 int rc;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 594f2318c3d8..be59456e8a42 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -171,6 +171,8 @@ void sta_info_destroy(struct sta_info *sta)
171 171
172 local = sta->local; 172 local = sta->local;
173 173
174 cancel_work_sync(&sta->drv_unblock_wk);
175
174 rate_control_remove_sta_debugfs(sta); 176 rate_control_remove_sta_debugfs(sta);
175 ieee80211_sta_debugfs_remove(sta); 177 ieee80211_sta_debugfs_remove(sta);
176 178
@@ -259,6 +261,21 @@ static void sta_info_hash_add(struct ieee80211_local *local,
259 rcu_assign_pointer(local->sta_hash[STA_HASH(sta->sta.addr)], sta); 261 rcu_assign_pointer(local->sta_hash[STA_HASH(sta->sta.addr)], sta);
260} 262}
261 263
264static void sta_unblock(struct work_struct *wk)
265{
266 struct sta_info *sta;
267
268 sta = container_of(wk, struct sta_info, drv_unblock_wk);
269
270 if (sta->dead)
271 return;
272
273 if (!test_sta_flags(sta, WLAN_STA_PS_STA))
274 ieee80211_sta_ps_deliver_wakeup(sta);
275 else if (test_and_clear_sta_flags(sta, WLAN_STA_PSPOLL))
276 ieee80211_sta_ps_deliver_poll_response(sta);
277}
278
262struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, 279struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
263 u8 *addr, gfp_t gfp) 280 u8 *addr, gfp_t gfp)
264{ 281{
@@ -272,6 +289,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
272 289
273 spin_lock_init(&sta->lock); 290 spin_lock_init(&sta->lock);
274 spin_lock_init(&sta->flaglock); 291 spin_lock_init(&sta->flaglock);
292 INIT_WORK(&sta->drv_unblock_wk, sta_unblock);
275 293
276 memcpy(sta->sta.addr, addr, ETH_ALEN); 294 memcpy(sta->sta.addr, addr, ETH_ALEN);
277 sta->local = local; 295 sta->local = local;
@@ -478,8 +496,10 @@ static void __sta_info_unlink(struct sta_info **sta)
478 } 496 }
479 497
480 list_del(&(*sta)->list); 498 list_del(&(*sta)->list);
499 (*sta)->dead = true;
481 500
482 if (test_and_clear_sta_flags(*sta, WLAN_STA_PS)) { 501 if (test_and_clear_sta_flags(*sta,
502 WLAN_STA_PS_STA | WLAN_STA_PS_DRIVER)) {
483 BUG_ON(!sdata->bss); 503 BUG_ON(!sdata->bss);
484 504
485 atomic_dec(&sdata->bss->num_sta_ps); 505 atomic_dec(&sdata->bss->num_sta_ps);
@@ -801,8 +821,8 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
801 sta_info_destroy(sta); 821 sta_info_destroy(sta);
802} 822}
803 823
804struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw, 824struct ieee80211_sta *ieee80211_find_sta_by_hw(struct ieee80211_hw *hw,
805 const u8 *addr) 825 const u8 *addr)
806{ 826{
807 struct sta_info *sta = sta_info_get(hw_to_local(hw), addr); 827 struct sta_info *sta = sta_info_get(hw_to_local(hw), addr);
808 828
@@ -810,4 +830,114 @@ struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw,
810 return NULL; 830 return NULL;
811 return &sta->sta; 831 return &sta->sta;
812} 832}
833EXPORT_SYMBOL_GPL(ieee80211_find_sta_by_hw);
834
835struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_vif *vif,
836 const u8 *addr)
837{
838 struct ieee80211_sub_if_data *sdata;
839
840 if (!vif)
841 return NULL;
842
843 sdata = vif_to_sdata(vif);
844
845 return ieee80211_find_sta_by_hw(&sdata->local->hw, addr);
846}
813EXPORT_SYMBOL(ieee80211_find_sta); 847EXPORT_SYMBOL(ieee80211_find_sta);
848
849/* powersave support code */
850void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
851{
852 struct ieee80211_sub_if_data *sdata = sta->sdata;
853 struct ieee80211_local *local = sdata->local;
854 int sent, buffered;
855
856 drv_sta_notify(local, &sdata->vif, STA_NOTIFY_AWAKE, &sta->sta);
857
858 if (!skb_queue_empty(&sta->ps_tx_buf))
859 sta_info_clear_tim_bit(sta);
860
861 /* Send all buffered frames to the station */
862 sent = ieee80211_add_pending_skbs(local, &sta->tx_filtered);
863 buffered = ieee80211_add_pending_skbs(local, &sta->ps_tx_buf);
864 sent += buffered;
865 local->total_ps_buffered -= buffered;
866
867#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
868 printk(KERN_DEBUG "%s: STA %pM aid %d sending %d filtered/%d PS frames "
869 "since STA not sleeping anymore\n", sdata->dev->name,
870 sta->sta.addr, sta->sta.aid, sent - buffered, buffered);
871#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
872}
873
874void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta)
875{
876 struct ieee80211_sub_if_data *sdata = sta->sdata;
877 struct ieee80211_local *local = sdata->local;
878 struct sk_buff *skb;
879 int no_pending_pkts;
880
881 skb = skb_dequeue(&sta->tx_filtered);
882 if (!skb) {
883 skb = skb_dequeue(&sta->ps_tx_buf);
884 if (skb)
885 local->total_ps_buffered--;
886 }
887 no_pending_pkts = skb_queue_empty(&sta->tx_filtered) &&
888 skb_queue_empty(&sta->ps_tx_buf);
889
890 if (skb) {
891 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
892 struct ieee80211_hdr *hdr =
893 (struct ieee80211_hdr *) skb->data;
894
895 /*
896 * Tell TX path to send this frame even though the STA may
897 * still remain is PS mode after this frame exchange.
898 */
899 info->flags |= IEEE80211_TX_CTL_PSPOLL_RESPONSE;
900
901#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
902 printk(KERN_DEBUG "STA %pM aid %d: PS Poll (entries after %d)\n",
903 sta->sta.addr, sta->sta.aid,
904 skb_queue_len(&sta->ps_tx_buf));
905#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
906
907 /* Use MoreData flag to indicate whether there are more
908 * buffered frames for this STA */
909 if (no_pending_pkts)
910 hdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_MOREDATA);
911 else
912 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
913
914 ieee80211_add_pending_skb(local, skb);
915
916 if (no_pending_pkts)
917 sta_info_clear_tim_bit(sta);
918#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
919 } else {
920 /*
921 * FIXME: This can be the result of a race condition between
922 * us expiring a frame and the station polling for it.
923 * Should we send it a null-func frame indicating we
924 * have nothing buffered for it?
925 */
926 printk(KERN_DEBUG "%s: STA %pM sent PS Poll even "
927 "though there are no buffered frames for it\n",
928 sdata->dev->name, sta->sta.addr);
929#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
930 }
931}
932
933void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
934 struct ieee80211_sta *pubsta, bool block)
935{
936 struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
937
938 if (block)
939 set_sta_flags(sta, WLAN_STA_PS_DRIVER);
940 else
941 ieee80211_queue_work(hw, &sta->drv_unblock_wk);
942}
943EXPORT_SYMBOL(ieee80211_sta_block_awake);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index ccc3adf962c7..4673454176ed 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -12,6 +12,7 @@
12#include <linux/list.h> 12#include <linux/list.h>
13#include <linux/types.h> 13#include <linux/types.h>
14#include <linux/if_ether.h> 14#include <linux/if_ether.h>
15#include <linux/workqueue.h>
15#include "key.h" 16#include "key.h"
16 17
17/** 18/**
@@ -21,7 +22,7 @@
21 * 22 *
22 * @WLAN_STA_AUTH: Station is authenticated. 23 * @WLAN_STA_AUTH: Station is authenticated.
23 * @WLAN_STA_ASSOC: Station is associated. 24 * @WLAN_STA_ASSOC: Station is associated.
24 * @WLAN_STA_PS: Station is in power-save mode 25 * @WLAN_STA_PS_STA: Station is in power-save mode
25 * @WLAN_STA_AUTHORIZED: Station is authorized to send/receive traffic. 26 * @WLAN_STA_AUTHORIZED: Station is authorized to send/receive traffic.
26 * This bit is always checked so needs to be enabled for all stations 27 * This bit is always checked so needs to be enabled for all stations
27 * when virtual port control is not in use. 28 * when virtual port control is not in use.
@@ -36,11 +37,16 @@
36 * @WLAN_STA_MFP: Management frame protection is used with this STA. 37 * @WLAN_STA_MFP: Management frame protection is used with this STA.
37 * @WLAN_STA_SUSPEND: Set/cleared during a suspend/resume cycle. 38 * @WLAN_STA_SUSPEND: Set/cleared during a suspend/resume cycle.
38 * Used to deny ADDBA requests (both TX and RX). 39 * Used to deny ADDBA requests (both TX and RX).
40 * @WLAN_STA_PS_DRIVER: driver requires keeping this station in
41 * power-save mode logically to flush frames that might still
42 * be in the queues
43 * @WLAN_STA_PSPOLL: Station sent PS-poll while driver was keeping
44 * station in power-save mode, reply when the driver unblocks.
39 */ 45 */
40enum ieee80211_sta_info_flags { 46enum ieee80211_sta_info_flags {
41 WLAN_STA_AUTH = 1<<0, 47 WLAN_STA_AUTH = 1<<0,
42 WLAN_STA_ASSOC = 1<<1, 48 WLAN_STA_ASSOC = 1<<1,
43 WLAN_STA_PS = 1<<2, 49 WLAN_STA_PS_STA = 1<<2,
44 WLAN_STA_AUTHORIZED = 1<<3, 50 WLAN_STA_AUTHORIZED = 1<<3,
45 WLAN_STA_SHORT_PREAMBLE = 1<<4, 51 WLAN_STA_SHORT_PREAMBLE = 1<<4,
46 WLAN_STA_ASSOC_AP = 1<<5, 52 WLAN_STA_ASSOC_AP = 1<<5,
@@ -48,7 +54,9 @@ enum ieee80211_sta_info_flags {
48 WLAN_STA_WDS = 1<<7, 54 WLAN_STA_WDS = 1<<7,
49 WLAN_STA_CLEAR_PS_FILT = 1<<9, 55 WLAN_STA_CLEAR_PS_FILT = 1<<9,
50 WLAN_STA_MFP = 1<<10, 56 WLAN_STA_MFP = 1<<10,
51 WLAN_STA_SUSPEND = 1<<11 57 WLAN_STA_SUSPEND = 1<<11,
58 WLAN_STA_PS_DRIVER = 1<<12,
59 WLAN_STA_PSPOLL = 1<<13,
52}; 60};
53 61
54#define STA_TID_NUM 16 62#define STA_TID_NUM 16
@@ -193,7 +201,6 @@ struct sta_ampdu_mlme {
193 * @rx_fragments: number of received MPDUs 201 * @rx_fragments: number of received MPDUs
194 * @rx_dropped: number of dropped MPDUs from this STA 202 * @rx_dropped: number of dropped MPDUs from this STA
195 * @last_signal: signal of last received frame from this STA 203 * @last_signal: signal of last received frame from this STA
196 * @last_qual: qual of last received frame from this STA
197 * @last_noise: noise of last received frame from this STA 204 * @last_noise: noise of last received frame from this STA
198 * @last_seq_ctrl: last received seq/frag number from this STA (per RX queue) 205 * @last_seq_ctrl: last received seq/frag number from this STA (per RX queue)
199 * @tx_filtered_count: number of frames the hardware filtered for this STA 206 * @tx_filtered_count: number of frames the hardware filtered for this STA
@@ -217,6 +224,8 @@ struct sta_ampdu_mlme {
217 * @plink_timer_was_running: used by suspend/resume to restore timers 224 * @plink_timer_was_running: used by suspend/resume to restore timers
218 * @debugfs: debug filesystem info 225 * @debugfs: debug filesystem info
219 * @sta: station information we share with the driver 226 * @sta: station information we share with the driver
227 * @dead: set to true when sta is unlinked
228 * @drv_unblock_wk used for driver PS unblocking
220 */ 229 */
221struct sta_info { 230struct sta_info {
222 /* General information, mostly static */ 231 /* General information, mostly static */
@@ -230,8 +239,12 @@ struct sta_info {
230 spinlock_t lock; 239 spinlock_t lock;
231 spinlock_t flaglock; 240 spinlock_t flaglock;
232 241
242 struct work_struct drv_unblock_wk;
243
233 u16 listen_interval; 244 u16 listen_interval;
234 245
246 bool dead;
247
235 /* 248 /*
236 * for use by the internal lifetime management, 249 * for use by the internal lifetime management,
237 * see __sta_info_unlink 250 * see __sta_info_unlink
@@ -259,7 +272,6 @@ struct sta_info {
259 unsigned long rx_fragments; 272 unsigned long rx_fragments;
260 unsigned long rx_dropped; 273 unsigned long rx_dropped;
261 int last_signal; 274 int last_signal;
262 int last_qual;
263 int last_noise; 275 int last_noise;
264 __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES]; 276 __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
265 277
@@ -301,28 +313,6 @@ struct sta_info {
301#ifdef CONFIG_MAC80211_DEBUGFS 313#ifdef CONFIG_MAC80211_DEBUGFS
302 struct sta_info_debugfsdentries { 314 struct sta_info_debugfsdentries {
303 struct dentry *dir; 315 struct dentry *dir;
304 struct dentry *flags;
305 struct dentry *num_ps_buf_frames;
306 struct dentry *inactive_ms;
307 struct dentry *last_seq_ctrl;
308 struct dentry *agg_status;
309 struct dentry *aid;
310 struct dentry *dev;
311 struct dentry *rx_packets;
312 struct dentry *tx_packets;
313 struct dentry *rx_bytes;
314 struct dentry *tx_bytes;
315 struct dentry *rx_duplicates;
316 struct dentry *rx_fragments;
317 struct dentry *rx_dropped;
318 struct dentry *tx_fragments;
319 struct dentry *tx_filtered;
320 struct dentry *tx_retry_failed;
321 struct dentry *tx_retry_count;
322 struct dentry *last_signal;
323 struct dentry *last_qual;
324 struct dentry *last_noise;
325 struct dentry *wep_weak_iv_count;
326 bool add_has_run; 316 bool add_has_run;
327 } debugfs; 317 } debugfs;
328#endif 318#endif
@@ -454,4 +444,7 @@ int sta_info_flush(struct ieee80211_local *local,
454void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata, 444void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
455 unsigned long exp_time); 445 unsigned long exp_time);
456 446
447void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta);
448void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta);
449
457#endif /* STA_INFO_H */ 450#endif /* STA_INFO_H */
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index eaa4118de988..bfaa43e096d2 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -317,12 +317,11 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx)
317 if (!atomic_read(&tx->sdata->bss->num_sta_ps)) 317 if (!atomic_read(&tx->sdata->bss->num_sta_ps))
318 return TX_CONTINUE; 318 return TX_CONTINUE;
319 319
320 /* buffered in hardware */ 320 info->flags |= IEEE80211_TX_CTL_SEND_AFTER_DTIM;
321 if (!(tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING)) {
322 info->flags |= IEEE80211_TX_CTL_SEND_AFTER_DTIM;
323 321
322 /* device releases frame after DTIM beacon */
323 if (!(tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING))
324 return TX_CONTINUE; 324 return TX_CONTINUE;
325 }
326 325
327 /* buffered in mac80211 */ 326 /* buffered in mac80211 */
328 if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER) 327 if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
@@ -375,7 +374,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
375 374
376 staflags = get_sta_flags(sta); 375 staflags = get_sta_flags(sta);
377 376
378 if (unlikely((staflags & WLAN_STA_PS) && 377 if (unlikely((staflags & (WLAN_STA_PS_STA | WLAN_STA_PS_DRIVER)) &&
379 !(info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE))) { 378 !(info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE))) {
380#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG 379#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
381 printk(KERN_DEBUG "STA %pM aid %d: PS buffer (entries " 380 printk(KERN_DEBUG "STA %pM aid %d: PS buffer (entries "
@@ -398,8 +397,13 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
398 } else 397 } else
399 tx->local->total_ps_buffered++; 398 tx->local->total_ps_buffered++;
400 399
401 /* Queue frame to be sent after STA sends an PS Poll frame */ 400 /*
402 if (skb_queue_empty(&sta->ps_tx_buf)) 401 * Queue frame to be sent after STA wakes up/polls,
402 * but don't set the TIM bit if the driver is blocking
403 * wakeup or poll response transmissions anyway.
404 */
405 if (skb_queue_empty(&sta->ps_tx_buf) &&
406 !(staflags & WLAN_STA_PS_DRIVER))
403 sta_info_set_tim_bit(sta); 407 sta_info_set_tim_bit(sta);
404 408
405 info->control.jiffies = jiffies; 409 info->control.jiffies = jiffies;
@@ -409,7 +413,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
409 return TX_QUEUED; 413 return TX_QUEUED;
410 } 414 }
411#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG 415#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
412 else if (unlikely(test_sta_flags(sta, WLAN_STA_PS))) { 416 else if (unlikely(staflags & WLAN_STA_PS_STA)) {
413 printk(KERN_DEBUG "%s: STA %pM in PS mode, but pspoll " 417 printk(KERN_DEBUG "%s: STA %pM in PS mode, but pspoll "
414 "set -> send frame\n", tx->dev->name, 418 "set -> send frame\n", tx->dev->name,
415 sta->sta.addr); 419 sta->sta.addr);
@@ -1201,23 +1205,25 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx)
1201 struct sk_buff *skb = tx->skb; 1205 struct sk_buff *skb = tx->skb;
1202 ieee80211_tx_result res = TX_DROP; 1206 ieee80211_tx_result res = TX_DROP;
1203 1207
1204#define CALL_TXH(txh) \ 1208#define CALL_TXH(txh) \
1205 res = txh(tx); \ 1209 do { \
1206 if (res != TX_CONTINUE) \ 1210 res = txh(tx); \
1207 goto txh_done; 1211 if (res != TX_CONTINUE) \
1208 1212 goto txh_done; \
1209 CALL_TXH(ieee80211_tx_h_check_assoc) 1213 } while (0)
1210 CALL_TXH(ieee80211_tx_h_ps_buf) 1214
1211 CALL_TXH(ieee80211_tx_h_select_key) 1215 CALL_TXH(ieee80211_tx_h_check_assoc);
1212 CALL_TXH(ieee80211_tx_h_michael_mic_add) 1216 CALL_TXH(ieee80211_tx_h_ps_buf);
1213 CALL_TXH(ieee80211_tx_h_rate_ctrl) 1217 CALL_TXH(ieee80211_tx_h_select_key);
1214 CALL_TXH(ieee80211_tx_h_misc) 1218 CALL_TXH(ieee80211_tx_h_michael_mic_add);
1215 CALL_TXH(ieee80211_tx_h_sequence) 1219 CALL_TXH(ieee80211_tx_h_rate_ctrl);
1216 CALL_TXH(ieee80211_tx_h_fragment) 1220 CALL_TXH(ieee80211_tx_h_misc);
1221 CALL_TXH(ieee80211_tx_h_sequence);
1222 CALL_TXH(ieee80211_tx_h_fragment);
1217 /* handlers after fragment must be aware of tx info fragmentation! */ 1223 /* handlers after fragment must be aware of tx info fragmentation! */
1218 CALL_TXH(ieee80211_tx_h_stats) 1224 CALL_TXH(ieee80211_tx_h_stats);
1219 CALL_TXH(ieee80211_tx_h_encrypt) 1225 CALL_TXH(ieee80211_tx_h_encrypt);
1220 CALL_TXH(ieee80211_tx_h_calculate_duration) 1226 CALL_TXH(ieee80211_tx_h_calculate_duration);
1221#undef CALL_TXH 1227#undef CALL_TXH
1222 1228
1223 txh_done: 1229 txh_done:
@@ -1387,6 +1393,30 @@ static int ieee80211_skb_resize(struct ieee80211_local *local,
1387 return 0; 1393 return 0;
1388} 1394}
1389 1395
1396static bool need_dynamic_ps(struct ieee80211_local *local)
1397{
1398 /* driver doesn't support power save */
1399 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1400 return false;
1401
1402 /* hardware does dynamic power save */
1403 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1404 return false;
1405
1406 /* dynamic power save disabled */
1407 if (local->hw.conf.dynamic_ps_timeout <= 0)
1408 return false;
1409
1410 /* we are scanning, don't enable power save */
1411 if (local->scanning)
1412 return false;
1413
1414 if (!local->ps_sdata)
1415 return false;
1416
1417 return true;
1418}
1419
1390static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, 1420static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
1391 struct sk_buff *skb) 1421 struct sk_buff *skb)
1392{ 1422{
@@ -1399,9 +1429,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
1399 1429
1400 dev_hold(sdata->dev); 1430 dev_hold(sdata->dev);
1401 1431
1402 if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) && 1432 if (need_dynamic_ps(local)) {
1403 local->hw.conf.dynamic_ps_timeout > 0 &&
1404 !(local->scanning) && local->ps_sdata) {
1405 if (local->hw.conf.flags & IEEE80211_CONF_PS) { 1433 if (local->hw.conf.flags & IEEE80211_CONF_PS) {
1406 ieee80211_stop_queues_by_reason(&local->hw, 1434 ieee80211_stop_queues_by_reason(&local->hw,
1407 IEEE80211_QUEUE_STOP_REASON_PS); 1435 IEEE80211_QUEUE_STOP_REASON_PS);
@@ -1990,8 +2018,9 @@ static void ieee80211_beacon_add_tim(struct ieee80211_if_ap *bss,
1990 } 2018 }
1991} 2019}
1992 2020
1993struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, 2021struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
1994 struct ieee80211_vif *vif) 2022 struct ieee80211_vif *vif,
2023 u16 *tim_offset, u16 *tim_length)
1995{ 2024{
1996 struct ieee80211_local *local = hw_to_local(hw); 2025 struct ieee80211_local *local = hw_to_local(hw);
1997 struct sk_buff *skb = NULL; 2026 struct sk_buff *skb = NULL;
@@ -2008,6 +2037,11 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
2008 2037
2009 sdata = vif_to_sdata(vif); 2038 sdata = vif_to_sdata(vif);
2010 2039
2040 if (tim_offset)
2041 *tim_offset = 0;
2042 if (tim_length)
2043 *tim_length = 0;
2044
2011 if (sdata->vif.type == NL80211_IFTYPE_AP) { 2045 if (sdata->vif.type == NL80211_IFTYPE_AP) {
2012 ap = &sdata->u.ap; 2046 ap = &sdata->u.ap;
2013 beacon = rcu_dereference(ap->beacon); 2047 beacon = rcu_dereference(ap->beacon);
@@ -2043,6 +2077,11 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
2043 spin_unlock_irqrestore(&local->sta_lock, flags); 2077 spin_unlock_irqrestore(&local->sta_lock, flags);
2044 } 2078 }
2045 2079
2080 if (tim_offset)
2081 *tim_offset = beacon->head_len;
2082 if (tim_length)
2083 *tim_length = skb->len - beacon->head_len;
2084
2046 if (beacon->tail) 2085 if (beacon->tail)
2047 memcpy(skb_put(skb, beacon->tail_len), 2086 memcpy(skb_put(skb, beacon->tail_len),
2048 beacon->tail, beacon->tail_len); 2087 beacon->tail, beacon->tail_len);
@@ -2119,7 +2158,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
2119 rcu_read_unlock(); 2158 rcu_read_unlock();
2120 return skb; 2159 return skb;
2121} 2160}
2122EXPORT_SYMBOL(ieee80211_beacon_get); 2161EXPORT_SYMBOL(ieee80211_beacon_get_tim);
2123 2162
2124void ieee80211_rts_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 2163void ieee80211_rts_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
2125 const void *frame, size_t frame_len, 2164 const void *frame, size_t frame_len,
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index aeb65b3d2295..aedbaaa067e6 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -872,13 +872,14 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
872} 872}
873 873
874int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, 874int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
875 const u8 *ie, size_t ie_len) 875 const u8 *ie, size_t ie_len,
876 enum ieee80211_band band)
876{ 877{
877 struct ieee80211_supported_band *sband; 878 struct ieee80211_supported_band *sband;
878 u8 *pos, *supp_rates_len, *esupp_rates_len = NULL; 879 u8 *pos, *supp_rates_len, *esupp_rates_len = NULL;
879 int i; 880 int i;
880 881
881 sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; 882 sband = local->hw.wiphy->bands[band];
882 883
883 pos = buffer; 884 pos = buffer;
884 885
@@ -966,7 +967,8 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
966 memcpy(pos, ssid, ssid_len); 967 memcpy(pos, ssid, ssid_len);
967 pos += ssid_len; 968 pos += ssid_len;
968 969
969 skb_put(skb, ieee80211_build_preq_ies(local, pos, ie, ie_len)); 970 skb_put(skb, ieee80211_build_preq_ies(local, pos, ie, ie_len,
971 local->hw.conf.channel->band));
970 972
971 ieee80211_tx_skb(sdata, skb, 0); 973 ieee80211_tx_skb(sdata, skb, 0);
972} 974}
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 07252967be9c..02835172b227 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -546,7 +546,7 @@ void wiphy_unregister(struct wiphy *wiphy)
546 * First remove the hardware from everywhere, this makes 546 * First remove the hardware from everywhere, this makes
547 * it impossible to find from userspace. 547 * it impossible to find from userspace.
548 */ 548 */
549 cfg80211_debugfs_rdev_del(rdev); 549 debugfs_remove_recursive(rdev->wiphy.debugfsdir);
550 list_del(&rdev->list); 550 list_del(&rdev->list);
551 551
552 /* 552 /*
@@ -569,7 +569,6 @@ void wiphy_unregister(struct wiphy *wiphy)
569 569
570 cfg80211_rdev_list_generation++; 570 cfg80211_rdev_list_generation++;
571 device_del(&rdev->wiphy.dev); 571 device_del(&rdev->wiphy.dev);
572 debugfs_remove(rdev->wiphy.debugfsdir);
573 572
574 mutex_unlock(&cfg80211_mutex); 573 mutex_unlock(&cfg80211_mutex);
575 574
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 68b321997d4c..5aeebb9085f8 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -72,17 +72,6 @@ struct cfg80211_registered_device {
72 /* current channel */ 72 /* current channel */
73 struct ieee80211_channel *channel; 73 struct ieee80211_channel *channel;
74 74
75#ifdef CONFIG_CFG80211_DEBUGFS
76 /* Debugfs entries */
77 struct wiphy_debugfsdentries {
78 struct dentry *rts_threshold;
79 struct dentry *fragmentation_threshold;
80 struct dentry *short_retry_limit;
81 struct dentry *long_retry_limit;
82 struct dentry *ht40allow_map;
83 } debugfs;
84#endif
85
86 /* must be last because of the way we do wiphy_priv(), 75 /* must be last because of the way we do wiphy_priv(),
87 * and it should at least be aligned to NETDEV_ALIGN */ 76 * and it should at least be aligned to NETDEV_ALIGN */
88 struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN))); 77 struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN)));
diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c
index 13d93d84f902..2e4895615037 100644
--- a/net/wireless/debugfs.c
+++ b/net/wireless/debugfs.c
@@ -104,11 +104,7 @@ static const struct file_operations ht40allow_map_ops = {
104}; 104};
105 105
106#define DEBUGFS_ADD(name) \ 106#define DEBUGFS_ADD(name) \
107 rdev->debugfs.name = debugfs_create_file(#name, S_IRUGO, phyd, \ 107 debugfs_create_file(#name, S_IRUGO, phyd, &rdev->wiphy, &name## _ops);
108 &rdev->wiphy, &name## _ops);
109#define DEBUGFS_DEL(name) \
110 debugfs_remove(rdev->debugfs.name); \
111 rdev->debugfs.name = NULL;
112 108
113void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev) 109void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev)
114{ 110{
@@ -120,12 +116,3 @@ void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev)
120 DEBUGFS_ADD(long_retry_limit); 116 DEBUGFS_ADD(long_retry_limit);
121 DEBUGFS_ADD(ht40allow_map); 117 DEBUGFS_ADD(ht40allow_map);
122} 118}
123
124void cfg80211_debugfs_rdev_del(struct cfg80211_registered_device *rdev)
125{
126 DEBUGFS_DEL(rts_threshold);
127 DEBUGFS_DEL(fragmentation_threshold);
128 DEBUGFS_DEL(short_retry_limit);
129 DEBUGFS_DEL(long_retry_limit);
130 DEBUGFS_DEL(ht40allow_map);
131}
diff --git a/net/wireless/debugfs.h b/net/wireless/debugfs.h
index 6419b6d6ce3e..74fdd3811427 100644
--- a/net/wireless/debugfs.h
+++ b/net/wireless/debugfs.h
@@ -3,12 +3,9 @@
3 3
4#ifdef CONFIG_CFG80211_DEBUGFS 4#ifdef CONFIG_CFG80211_DEBUGFS
5void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev); 5void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev);
6void cfg80211_debugfs_rdev_del(struct cfg80211_registered_device *rdev);
7#else 6#else
8static inline 7static inline
9void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev) {} 8void cfg80211_debugfs_rdev_add(struct cfg80211_registered_device *rdev) {}
10static inline
11void cfg80211_debugfs_rdev_del(struct cfg80211_registered_device *rdev) {}
12#endif 9#endif
13 10
14#endif /* __CFG80211_DEBUGFS_H */ 11#endif /* __CFG80211_DEBUGFS_H */
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 83c2a288dc63..2610b746effa 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -62,7 +62,6 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
62 u8 *ie = mgmt->u.assoc_resp.variable; 62 u8 *ie = mgmt->u.assoc_resp.variable;
63 int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); 63 int i, ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable);
64 struct cfg80211_internal_bss *bss = NULL; 64 struct cfg80211_internal_bss *bss = NULL;
65 bool need_connect_result = true;
66 65
67 wdev_lock(wdev); 66 wdev_lock(wdev);
68 67
@@ -97,7 +96,6 @@ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len)
97 WARN_ON(!bss); 96 WARN_ON(!bss);
98 } else if (wdev->conn) { 97 } else if (wdev->conn) {
99 cfg80211_sme_failed_assoc(wdev); 98 cfg80211_sme_failed_assoc(wdev);
100 need_connect_result = false;
101 /* 99 /*
102 * do not call connect_result() now because the 100 * do not call connect_result() now because the
103 * sme will schedule work that does it later. 101 * sme will schedule work that does it later.
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index f48394126bf9..8ed62b6c172b 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2988,7 +2988,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
2988 goto out; 2988 goto out;
2989 } 2989 }
2990 2990
2991 request->n_channels = n_channels;
2992 if (n_ssids) 2991 if (n_ssids)
2993 request->ssids = (void *)&request->channels[n_channels]; 2992 request->ssids = (void *)&request->channels[n_channels];
2994 request->n_ssids = n_ssids; 2993 request->n_ssids = n_ssids;
@@ -2999,32 +2998,53 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
2999 request->ie = (void *)(request->channels + n_channels); 2998 request->ie = (void *)(request->channels + n_channels);
3000 } 2999 }
3001 3000
3001 i = 0;
3002 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { 3002 if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
3003 /* user specified, bail out if channel not found */ 3003 /* user specified, bail out if channel not found */
3004 request->n_channels = n_channels;
3005 i = 0;
3006 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { 3004 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
3007 request->channels[i] = ieee80211_get_channel(wiphy, nla_get_u32(attr)); 3005 struct ieee80211_channel *chan;
3008 if (!request->channels[i]) { 3006
3007 chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
3008
3009 if (!chan) {
3009 err = -EINVAL; 3010 err = -EINVAL;
3010 goto out_free; 3011 goto out_free;
3011 } 3012 }
3013
3014 /* ignore disabled channels */
3015 if (chan->flags & IEEE80211_CHAN_DISABLED)
3016 continue;
3017
3018 request->channels[i] = chan;
3012 i++; 3019 i++;
3013 } 3020 }
3014 } else { 3021 } else {
3015 /* all channels */ 3022 /* all channels */
3016 i = 0;
3017 for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 3023 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
3018 int j; 3024 int j;
3019 if (!wiphy->bands[band]) 3025 if (!wiphy->bands[band])
3020 continue; 3026 continue;
3021 for (j = 0; j < wiphy->bands[band]->n_channels; j++) { 3027 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
3022 request->channels[i] = &wiphy->bands[band]->channels[j]; 3028 struct ieee80211_channel *chan;
3029
3030 chan = &wiphy->bands[band]->channels[j];
3031
3032 if (chan->flags & IEEE80211_CHAN_DISABLED)
3033 continue;
3034
3035 request->channels[i] = chan;
3023 i++; 3036 i++;
3024 } 3037 }
3025 } 3038 }
3026 } 3039 }
3027 3040
3041 if (!i) {
3042 err = -EINVAL;
3043 goto out_free;
3044 }
3045
3046 request->n_channels = i;
3047
3028 i = 0; 3048 i = 0;
3029 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) { 3049 if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
3030 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { 3050 nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 2e8c515f3c5c..e2d344ff6745 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -650,9 +650,15 @@ int cfg80211_wext_siwscan(struct net_device *dev,
650 i = 0; 650 i = 0;
651 for (band = 0; band < IEEE80211_NUM_BANDS; band++) { 651 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
652 int j; 652 int j;
653
653 if (!wiphy->bands[band]) 654 if (!wiphy->bands[band])
654 continue; 655 continue;
656
655 for (j = 0; j < wiphy->bands[band]->n_channels; j++) { 657 for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
658 /* ignore disabled channels */
659 if (wiphy->bands[band]->channels[j].flags &
660 IEEE80211_CHAN_DISABLED)
661 continue;
656 662
657 /* If we have a wireless request structure and the 663 /* If we have a wireless request structure and the
658 * wireless request specifies frequencies, then search 664 * wireless request specifies frequencies, then search
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 561a45cf2a6a..41abcbdc5fb9 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -904,8 +904,6 @@ static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
904 904
905static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions) 905static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
906{ 906{
907 wdev->wext.connect.crypto.wpa_versions = 0;
908
909 if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA | 907 if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
910 IW_AUTH_WPA_VERSION_WPA2| 908 IW_AUTH_WPA_VERSION_WPA2|
911 IW_AUTH_WPA_VERSION_DISABLED)) 909 IW_AUTH_WPA_VERSION_DISABLED))
@@ -933,8 +931,6 @@ static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
933 931
934static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher) 932static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
935{ 933{
936 wdev->wext.connect.crypto.cipher_group = 0;
937
938 if (cipher & IW_AUTH_CIPHER_WEP40) 934 if (cipher & IW_AUTH_CIPHER_WEP40)
939 wdev->wext.connect.crypto.cipher_group = 935 wdev->wext.connect.crypto.cipher_group =
940 WLAN_CIPHER_SUITE_WEP40; 936 WLAN_CIPHER_SUITE_WEP40;
@@ -950,6 +946,8 @@ static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
950 else if (cipher & IW_AUTH_CIPHER_AES_CMAC) 946 else if (cipher & IW_AUTH_CIPHER_AES_CMAC)
951 wdev->wext.connect.crypto.cipher_group = 947 wdev->wext.connect.crypto.cipher_group =
952 WLAN_CIPHER_SUITE_AES_CMAC; 948 WLAN_CIPHER_SUITE_AES_CMAC;
949 else if (cipher & IW_AUTH_CIPHER_NONE)
950 wdev->wext.connect.crypto.cipher_group = 0;
953 else 951 else
954 return -EINVAL; 952 return -EINVAL;
955 953
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-23 16:26:03 -0500