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Commit | Line | Data |
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f0706e82 JB |
1 | /* |
2 | * Copyright 2002-2005, Instant802 Networks, Inc. | |
3 | * Copyright 2005, Devicescape Software, Inc. | |
4 | * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> | |
e039fa4a | 5 | * Copyright 2007-2008 Johannes Berg <johannes@sipsolutions.net> |
f0706e82 JB |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #ifndef IEEE80211_I_H | |
13 | #define IEEE80211_I_H | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/device.h> | |
17 | #include <linux/if_ether.h> | |
18 | #include <linux/interrupt.h> | |
19 | #include <linux/list.h> | |
20 | #include <linux/netdevice.h> | |
21 | #include <linux/skbuff.h> | |
22 | #include <linux/workqueue.h> | |
23 | #include <linux/types.h> | |
24 | #include <linux/spinlock.h> | |
571ecf67 | 25 | #include <linux/etherdevice.h> |
93da9cc1 | 26 | #include <net/cfg80211.h> |
ccc58057 | 27 | #include <net/iw_handler.h> |
51cb6db0 | 28 | #include <net/mac80211.h> |
2c8dccc7 | 29 | #include "key.h" |
f0706e82 JB |
30 | #include "sta_info.h" |
31 | ||
9cfb0009 | 32 | struct ieee80211_local; |
f0706e82 JB |
33 | |
34 | /* Maximum number of broadcast/multicast frames to buffer when some of the | |
35 | * associated stations are using power saving. */ | |
36 | #define AP_MAX_BC_BUFFER 128 | |
37 | ||
38 | /* Maximum number of frames buffered to all STAs, including multicast frames. | |
39 | * Note: increasing this limit increases the potential memory requirement. Each | |
40 | * frame can be up to about 2 kB long. */ | |
41 | #define TOTAL_MAX_TX_BUFFER 512 | |
42 | ||
43 | /* Required encryption head and tailroom */ | |
44 | #define IEEE80211_ENCRYPT_HEADROOM 8 | |
765cb46a | 45 | #define IEEE80211_ENCRYPT_TAILROOM 18 |
f0706e82 JB |
46 | |
47 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent | |
48 | * reception of at least three fragmented frames. This limit can be increased | |
49 | * by changing this define, at the cost of slower frame reassembly and | |
50 | * increased memory use (about 2 kB of RAM per entry). */ | |
51 | #define IEEE80211_FRAGMENT_MAX 4 | |
52 | ||
0a51b27e JB |
53 | /* |
54 | * Time after which we ignore scan results and no longer report/use | |
55 | * them in any way. | |
56 | */ | |
57 | #define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ) | |
58 | ||
20ad19d0 JB |
59 | #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) |
60 | ||
f0706e82 JB |
61 | struct ieee80211_fragment_entry { |
62 | unsigned long first_frag_time; | |
63 | unsigned int seq; | |
64 | unsigned int rx_queue; | |
65 | unsigned int last_frag; | |
66 | unsigned int extra_len; | |
67 | struct sk_buff_head skb_list; | |
68 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
69 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
70 | }; | |
71 | ||
72 | ||
c2b13452 | 73 | struct ieee80211_bss { |
00d3f14c JB |
74 | /* Yes, this is a hack */ |
75 | struct cfg80211_bss cbss; | |
056cdd59 | 76 | |
00d3f14c JB |
77 | /* don't want to look up all the time */ |
78 | size_t ssid_len; | |
f0706e82 | 79 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
00d3f14c | 80 | |
98f7dfd8 | 81 | u8 dtim_period; |
00d3f14c | 82 | |
43ac2ca3 | 83 | bool wmm_used; |
00d3f14c JB |
84 | |
85 | unsigned long last_probe_resp; | |
86 | ||
ee385855 LCC |
87 | #ifdef CONFIG_MAC80211_MESH |
88 | u8 *mesh_id; | |
89 | size_t mesh_id_len; | |
24736701 | 90 | u8 *mesh_cfg; |
902acc78 | 91 | #endif |
00d3f14c | 92 | |
f0706e82 JB |
93 | #define IEEE80211_MAX_SUPP_RATES 32 |
94 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
95 | size_t supp_rates_len; | |
f0706e82 | 96 | |
00d3f14c JB |
97 | /* |
98 | * During assocation, we save an ERP value from a probe response so | |
5628221c DD |
99 | * that we can feed ERP info to the driver when handling the |
100 | * association completes. these fields probably won't be up-to-date | |
00d3f14c JB |
101 | * otherwise, you probably don't want to use them. |
102 | */ | |
103 | bool has_erp_value; | |
5628221c | 104 | u8 erp_value; |
f0706e82 JB |
105 | }; |
106 | ||
c2b13452 | 107 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
902acc78 JB |
108 | { |
109 | #ifdef CONFIG_MAC80211_MESH | |
110 | return bss->mesh_cfg; | |
111 | #endif | |
112 | return NULL; | |
113 | } | |
114 | ||
c2b13452 | 115 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
902acc78 JB |
116 | { |
117 | #ifdef CONFIG_MAC80211_MESH | |
118 | return bss->mesh_id; | |
119 | #endif | |
120 | return NULL; | |
121 | } | |
122 | ||
c2b13452 | 123 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
902acc78 JB |
124 | { |
125 | #ifdef CONFIG_MAC80211_MESH | |
126 | return bss->mesh_id_len; | |
127 | #endif | |
128 | return 0; | |
129 | } | |
130 | ||
f0706e82 | 131 | |
9ae54c84 JB |
132 | typedef unsigned __bitwise__ ieee80211_tx_result; |
133 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
134 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
135 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
136 | ||
5cf121c3 JB |
137 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
138 | #define IEEE80211_TX_UNICAST BIT(1) | |
139 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
5cf121c3 JB |
140 | |
141 | struct ieee80211_tx_data { | |
142 | struct sk_buff *skb; | |
143 | struct net_device *dev; | |
144 | struct ieee80211_local *local; | |
145 | struct ieee80211_sub_if_data *sdata; | |
146 | struct sta_info *sta; | |
5cf121c3 | 147 | struct ieee80211_key *key; |
5cf121c3 | 148 | |
5cf121c3 | 149 | struct ieee80211_channel *channel; |
5cf121c3 | 150 | |
a4b7d7bd | 151 | u16 ethertype; |
056cdd59 | 152 | unsigned int flags; |
5cf121c3 JB |
153 | }; |
154 | ||
155 | ||
9ae54c84 | 156 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
157 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
158 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
159 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
160 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 161 | |
5cf121c3 | 162 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 163 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
164 | #define IEEE80211_RX_RA_MATCH BIT(1) |
165 | #define IEEE80211_RX_AMSDU BIT(2) | |
166 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) | |
167 | #define IEEE80211_RX_FRAGMENTED BIT(4) | |
168 | ||
169 | struct ieee80211_rx_data { | |
f0706e82 JB |
170 | struct sk_buff *skb; |
171 | struct net_device *dev; | |
172 | struct ieee80211_local *local; | |
173 | struct ieee80211_sub_if_data *sdata; | |
174 | struct sta_info *sta; | |
f0706e82 | 175 | struct ieee80211_key *key; |
5cf121c3 JB |
176 | struct ieee80211_rx_status *status; |
177 | struct ieee80211_rate *rate; | |
056cdd59 | 178 | |
056cdd59 | 179 | unsigned int flags; |
5cf121c3 JB |
180 | int sent_ps_buffered; |
181 | int queue; | |
5cf121c3 JB |
182 | u32 tkip_iv32; |
183 | u16 tkip_iv16; | |
f0706e82 JB |
184 | }; |
185 | ||
5dfdaf58 JB |
186 | struct beacon_data { |
187 | u8 *head, *tail; | |
188 | int head_len, tail_len; | |
189 | int dtim_period; | |
190 | }; | |
191 | ||
f0706e82 | 192 | struct ieee80211_if_ap { |
5dfdaf58 | 193 | struct beacon_data *beacon; |
f0706e82 | 194 | |
0ec3ca44 JB |
195 | struct list_head vlans; |
196 | ||
f0706e82 JB |
197 | /* yes, this looks ugly, but guarantees that we can later use |
198 | * bitmap_empty :) | |
004c872e | 199 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 200 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 201 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 202 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 203 | int dtim_count; |
f0706e82 JB |
204 | }; |
205 | ||
206 | struct ieee80211_if_wds { | |
f0706e82 | 207 | struct sta_info *sta; |
056cdd59 | 208 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
209 | }; |
210 | ||
211 | struct ieee80211_if_vlan { | |
0ec3ca44 | 212 | struct list_head list; |
f0706e82 JB |
213 | }; |
214 | ||
ee385855 LCC |
215 | struct mesh_stats { |
216 | __u32 fwded_frames; /* Mesh forwarded frames */ | |
217 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ | |
218 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
219 | atomic_t estab_plinks; | |
220 | }; | |
221 | ||
222 | #define PREQ_Q_F_START 0x1 | |
223 | #define PREQ_Q_F_REFRESH 0x2 | |
224 | struct mesh_preq_queue { | |
225 | struct list_head list; | |
226 | u8 dst[ETH_ALEN]; | |
227 | u8 flags; | |
228 | }; | |
229 | ||
77fdaa12 JB |
230 | enum ieee80211_mgd_state { |
231 | IEEE80211_MGD_STATE_IDLE, | |
232 | IEEE80211_MGD_STATE_PROBE, | |
233 | IEEE80211_MGD_STATE_AUTH, | |
234 | IEEE80211_MGD_STATE_ASSOC, | |
235 | }; | |
236 | ||
237 | struct ieee80211_mgd_work { | |
238 | struct list_head list; | |
239 | struct ieee80211_bss *bss; | |
240 | int ie_len; | |
241 | u8 prev_bssid[ETH_ALEN]; | |
242 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
243 | u8 ssid_len; | |
244 | unsigned long timeout; | |
245 | enum ieee80211_mgd_state state; | |
246 | u16 auth_alg, auth_transaction; | |
247 | ||
248 | int tries; | |
249 | ||
fffd0934 JB |
250 | u8 key[WLAN_KEY_LEN_WEP104]; |
251 | u8 key_len, key_idx; | |
252 | ||
77fdaa12 JB |
253 | /* must be last */ |
254 | u8 ie[0]; /* for auth or assoc frame, not probe */ | |
255 | }; | |
256 | ||
46900298 | 257 | /* flags used in struct ieee80211_if_managed.flags */ |
ab1faead | 258 | enum ieee80211_sta_flags { |
b291ba11 JB |
259 | IEEE80211_STA_BEACON_POLL = BIT(0), |
260 | IEEE80211_STA_CONNECTION_POLL = BIT(1), | |
261 | IEEE80211_STA_CONTROL_PORT = BIT(2), | |
262 | IEEE80211_STA_WMM_ENABLED = BIT(3), | |
263 | IEEE80211_STA_DISABLE_11N = BIT(4), | |
264 | IEEE80211_STA_CSA_RECEIVED = BIT(5), | |
265 | IEEE80211_STA_MFP_ENABLED = BIT(6), | |
ab1faead JB |
266 | }; |
267 | ||
ccd7b362 | 268 | /* flags for MLME request */ |
ab1faead JB |
269 | enum ieee80211_sta_request { |
270 | IEEE80211_STA_REQ_SCAN, | |
ab1faead | 271 | }; |
48c2fc59 | 272 | |
46900298 | 273 | struct ieee80211_if_managed { |
056cdd59 | 274 | struct timer_list timer; |
b291ba11 JB |
275 | struct timer_list conn_mon_timer; |
276 | struct timer_list bcn_mon_timer; | |
c481ec97 | 277 | struct timer_list chswitch_timer; |
056cdd59 | 278 | struct work_struct work; |
b291ba11 | 279 | struct work_struct monitor_work; |
c481ec97 | 280 | struct work_struct chswitch_work; |
04de8381 | 281 | struct work_struct beacon_loss_work; |
46900298 | 282 | |
b291ba11 JB |
283 | unsigned long probe_timeout; |
284 | ||
77fdaa12 JB |
285 | struct mutex mtx; |
286 | struct ieee80211_bss *associated; | |
287 | struct list_head work_list; | |
46900298 | 288 | |
77fdaa12 | 289 | u8 bssid[ETH_ALEN]; |
46900298 | 290 | |
f0706e82 | 291 | u16 aid; |
a7c1cfc9 | 292 | u16 capab; |
f0706e82 | 293 | |
056cdd59 JB |
294 | struct sk_buff_head skb_queue; |
295 | ||
5bb644a0 | 296 | unsigned long timers_running; /* used for quiesce/restart */ |
965bedad JB |
297 | bool powersave; /* powersave requested for this iface */ |
298 | ||
056cdd59 JB |
299 | unsigned long request; |
300 | ||
d6f2da5b | 301 | unsigned int flags; |
f0706e82 | 302 | |
d91f36db JB |
303 | u32 beacon_crc; |
304 | ||
fdfacf0a JM |
305 | enum { |
306 | IEEE80211_MFP_DISABLED, | |
307 | IEEE80211_MFP_OPTIONAL, | |
308 | IEEE80211_MFP_REQUIRED | |
309 | } mfp; /* management frame protection */ | |
310 | ||
f0706e82 JB |
311 | int wmm_last_param_set; |
312 | }; | |
313 | ||
46900298 JB |
314 | enum ieee80211_ibss_request { |
315 | IEEE80211_IBSS_REQ_RUN = 0, | |
316 | }; | |
317 | ||
318 | struct ieee80211_if_ibss { | |
319 | struct timer_list timer; | |
320 | struct work_struct work; | |
321 | ||
322 | struct sk_buff_head skb_queue; | |
323 | ||
af8cdcd8 JB |
324 | unsigned long request; |
325 | unsigned long last_scan_completed; | |
5bb644a0 JB |
326 | |
327 | bool timer_running; | |
328 | ||
af8cdcd8 JB |
329 | bool fixed_bssid; |
330 | bool fixed_channel; | |
fffd0934 | 331 | bool privacy; |
46900298 JB |
332 | |
333 | u8 bssid[ETH_ALEN]; | |
af8cdcd8 JB |
334 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
335 | u8 ssid_len, ie_len; | |
336 | u8 *ie; | |
337 | struct ieee80211_channel *channel; | |
46900298 JB |
338 | |
339 | unsigned long ibss_join_req; | |
af8cdcd8 JB |
340 | /* probe response/beacon for IBSS */ |
341 | struct sk_buff *presp, *skb; | |
46900298 JB |
342 | |
343 | enum { | |
344 | IEEE80211_IBSS_MLME_SEARCH, | |
345 | IEEE80211_IBSS_MLME_JOINED, | |
346 | } state; | |
347 | }; | |
348 | ||
472dbc45 JB |
349 | struct ieee80211_if_mesh { |
350 | struct work_struct work; | |
351 | struct timer_list housekeeping_timer; | |
352 | struct timer_list mesh_path_timer; | |
353 | struct sk_buff_head skb_queue; | |
354 | ||
5bb644a0 JB |
355 | unsigned long timers_running; |
356 | ||
472dbc45 JB |
357 | bool housekeeping; |
358 | ||
359 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
360 | size_t mesh_id_len; | |
361 | /* Active Path Selection Protocol Identifier */ | |
362 | u8 mesh_pp_id[4]; | |
363 | /* Active Path Selection Metric Identifier */ | |
364 | u8 mesh_pm_id[4]; | |
365 | /* Congestion Control Mode Identifier */ | |
366 | u8 mesh_cc_id[4]; | |
367 | /* Local mesh Destination Sequence Number */ | |
368 | u32 dsn; | |
369 | /* Last used PREQ ID */ | |
370 | u32 preq_id; | |
371 | atomic_t mpaths; | |
372 | /* Timestamp of last DSN update */ | |
373 | unsigned long last_dsn_update; | |
374 | /* Timestamp of last DSN sent */ | |
375 | unsigned long last_preq; | |
376 | struct mesh_rmc *rmc; | |
377 | spinlock_t mesh_preq_queue_lock; | |
378 | struct mesh_preq_queue preq_queue; | |
379 | int preq_queue_len; | |
380 | struct mesh_stats mshstats; | |
381 | struct mesh_config mshcfg; | |
382 | u32 mesh_seqnum; | |
383 | bool accepting_plinks; | |
472dbc45 | 384 | }; |
902acc78 JB |
385 | |
386 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
387 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
388 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 389 | #else |
472dbc45 | 390 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
391 | do { } while (0) |
392 | #endif | |
f0706e82 | 393 | |
213cd118 JB |
394 | /** |
395 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
396 | * | |
397 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
398 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
213cd118 JB |
399 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
400 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
401 | * associated stations and deliver multicast frames both | |
402 | * back to wireless media and to the local net stack. | |
403 | */ | |
404 | enum ieee80211_sub_if_data_flags { | |
405 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
406 | IEEE80211_SDATA_PROMISC = BIT(1), | |
7986cf95 JB |
407 | IEEE80211_SDATA_OPERATING_GMODE = BIT(2), |
408 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), | |
213cd118 JB |
409 | }; |
410 | ||
f0706e82 JB |
411 | struct ieee80211_sub_if_data { |
412 | struct list_head list; | |
f0706e82 JB |
413 | |
414 | struct wireless_dev wdev; | |
415 | ||
11a843b7 JB |
416 | /* keys */ |
417 | struct list_head key_list; | |
418 | ||
f0706e82 JB |
419 | struct net_device *dev; |
420 | struct ieee80211_local *local; | |
421 | ||
13262ffd | 422 | unsigned int flags; |
7e9ed188 | 423 | |
f0706e82 | 424 | int drop_unencrypted; |
f0706e82 | 425 | |
413ad50a JB |
426 | /* |
427 | * keep track of whether the HT opmode (stored in | |
428 | * vif.bss_info.ht_operation_mode) is valid. | |
429 | */ | |
430 | bool ht_opmode_valid; | |
431 | ||
f0706e82 JB |
432 | /* Fragment table for host-based reassembly */ |
433 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
434 | unsigned int fragment_next; | |
435 | ||
436 | #define NUM_DEFAULT_KEYS 4 | |
3cfcf6ac JM |
437 | #define NUM_DEFAULT_MGMT_KEYS 2 |
438 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; | |
f0706e82 | 439 | struct ieee80211_key *default_key; |
3cfcf6ac | 440 | struct ieee80211_key *default_mgmt_key; |
f0706e82 | 441 | |
94778280 JB |
442 | u16 sequence_number; |
443 | ||
471b3efd | 444 | /* |
3e122be0 JB |
445 | * AP this belongs to: self in AP mode and |
446 | * corresponding AP in VLAN mode, NULL for | |
447 | * all others (might be needed later in IBSS) | |
471b3efd | 448 | */ |
3e122be0 JB |
449 | struct ieee80211_if_ap *bss; |
450 | ||
451 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ | |
452 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ | |
f0706e82 JB |
453 | |
454 | union { | |
455 | struct ieee80211_if_ap ap; | |
456 | struct ieee80211_if_wds wds; | |
457 | struct ieee80211_if_vlan vlan; | |
46900298 JB |
458 | struct ieee80211_if_managed mgd; |
459 | struct ieee80211_if_ibss ibss; | |
472dbc45 JB |
460 | #ifdef CONFIG_MAC80211_MESH |
461 | struct ieee80211_if_mesh mesh; | |
462 | #endif | |
8cc9a739 | 463 | u32 mntr_flags; |
f0706e82 | 464 | } u; |
e9f207f0 JB |
465 | |
466 | #ifdef CONFIG_MAC80211_DEBUGFS | |
467 | struct dentry *debugfsdir; | |
468 | union { | |
469 | struct { | |
e9f207f0 | 470 | struct dentry *drop_unencrypted; |
e9f207f0 | 471 | struct dentry *bssid; |
e9f207f0 | 472 | struct dentry *aid; |
e9f207f0 | 473 | struct dentry *capab; |
93015f0f JM |
474 | struct dentry *force_unicast_rateidx; |
475 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
476 | } sta; |
477 | struct { | |
e9f207f0 | 478 | struct dentry *drop_unencrypted; |
e9f207f0 | 479 | struct dentry *num_sta_ps; |
e9f207f0 | 480 | struct dentry *dtim_count; |
e9f207f0 JB |
481 | struct dentry *force_unicast_rateidx; |
482 | struct dentry *max_ratectrl_rateidx; | |
483 | struct dentry *num_buffered_multicast; | |
e9f207f0 JB |
484 | } ap; |
485 | struct { | |
e9f207f0 | 486 | struct dentry *drop_unencrypted; |
e9f207f0 | 487 | struct dentry *peer; |
93015f0f JM |
488 | struct dentry *force_unicast_rateidx; |
489 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
490 | } wds; |
491 | struct { | |
e9f207f0 | 492 | struct dentry *drop_unencrypted; |
93015f0f JM |
493 | struct dentry *force_unicast_rateidx; |
494 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
495 | } vlan; |
496 | struct { | |
497 | struct dentry *mode; | |
498 | } monitor; | |
e9f207f0 | 499 | } debugfs; |
2b58b209 JM |
500 | struct { |
501 | struct dentry *default_key; | |
3cfcf6ac | 502 | struct dentry *default_mgmt_key; |
2b58b209 | 503 | } common_debugfs; |
ee385855 LCC |
504 | |
505 | #ifdef CONFIG_MAC80211_MESH | |
506 | struct dentry *mesh_stats_dir; | |
507 | struct { | |
508 | struct dentry *fwded_frames; | |
509 | struct dentry *dropped_frames_ttl; | |
510 | struct dentry *dropped_frames_no_route; | |
511 | struct dentry *estab_plinks; | |
902acc78 | 512 | struct timer_list mesh_path_timer; |
ee385855 LCC |
513 | } mesh_stats; |
514 | ||
515 | struct dentry *mesh_config_dir; | |
516 | struct { | |
517 | struct dentry *dot11MeshRetryTimeout; | |
518 | struct dentry *dot11MeshConfirmTimeout; | |
519 | struct dentry *dot11MeshHoldingTimeout; | |
520 | struct dentry *dot11MeshMaxRetries; | |
521 | struct dentry *dot11MeshTTL; | |
522 | struct dentry *auto_open_plinks; | |
523 | struct dentry *dot11MeshMaxPeerLinks; | |
524 | struct dentry *dot11MeshHWMPactivePathTimeout; | |
525 | struct dentry *dot11MeshHWMPpreqMinInterval; | |
526 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; | |
527 | struct dentry *dot11MeshHWMPmaxPREQretries; | |
528 | struct dentry *path_refresh_time; | |
529 | struct dentry *min_discovery_timeout; | |
530 | } mesh_config; | |
531 | #endif | |
532 | ||
e9f207f0 | 533 | #endif |
32bfd35d JB |
534 | /* must be last, dynamically sized area in this! */ |
535 | struct ieee80211_vif vif; | |
f0706e82 JB |
536 | }; |
537 | ||
32bfd35d JB |
538 | static inline |
539 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
540 | { | |
541 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
542 | } | |
543 | ||
472dbc45 JB |
544 | static inline void |
545 | ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, | |
546 | u8 mesh_id_len, u8 *mesh_id) | |
547 | { | |
548 | #ifdef CONFIG_MAC80211_MESH | |
549 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
550 | ifmsh->mesh_id_len = mesh_id_len; | |
551 | memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); | |
552 | #else | |
553 | WARN_ON(1); | |
554 | #endif | |
555 | } | |
556 | ||
f0706e82 JB |
557 | enum { |
558 | IEEE80211_RX_MSG = 1, | |
559 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
560 | IEEE80211_DELBA_MSG = 3, |
561 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
562 | }; |
563 | ||
ce7c9111 KV |
564 | enum queue_stop_reason { |
565 | IEEE80211_QUEUE_STOP_REASON_DRIVER, | |
520eb820 | 566 | IEEE80211_QUEUE_STOP_REASON_PS, |
96f5e66e JB |
567 | IEEE80211_QUEUE_STOP_REASON_CSA, |
568 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, | |
25420604 | 569 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
8f77f384 | 570 | IEEE80211_QUEUE_STOP_REASON_SKB_ADD, |
ce7c9111 KV |
571 | }; |
572 | ||
f0706e82 JB |
573 | struct ieee80211_local { |
574 | /* embed the driver visible part. | |
575 | * don't cast (use the static inlines below), but we keep | |
576 | * it first anyway so they become a no-op */ | |
577 | struct ieee80211_hw hw; | |
578 | ||
579 | const struct ieee80211_ops *ops; | |
580 | ||
e4e72fb4 | 581 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
96f5e66e | 582 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
ce7c9111 | 583 | spinlock_t queue_stop_reason_lock; |
96f5e66e | 584 | |
f0706e82 | 585 | int open_count; |
3d30d949 | 586 | int monitors, cooked_mntrs; |
8cc9a739 MW |
587 | /* number of interfaces with corresponding FIF_ flags */ |
588 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; | |
4150c572 | 589 | unsigned int filter_flags; /* FIF_* */ |
f0706e82 | 590 | struct iw_statistics wstats; |
3b8d81e0 JB |
591 | |
592 | /* protects the aggregated multicast list and filter calls */ | |
593 | spinlock_t filter_lock; | |
594 | ||
595 | /* aggregated multicast list */ | |
596 | struct dev_addr_list *mc_list; | |
597 | int mc_count; | |
598 | ||
d0709a65 | 599 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
5bb644a0 JB |
600 | |
601 | /* | |
602 | * suspended is true if we finished all the suspend _and_ we have | |
603 | * not yet come up from resume. This is to be used by mac80211 | |
604 | * to ensure driver sanity during suspend and mac80211's own | |
605 | * sanity. It can eventually be used for WoW as well. | |
606 | */ | |
607 | bool suspended; | |
608 | ||
609 | /* | |
610 | * quiescing is true during the suspend process _only_ to | |
611 | * ease timer cancelling etc. | |
612 | */ | |
613 | bool quiescing; | |
614 | ||
b306f453 | 615 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 616 | |
f0706e82 JB |
617 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
618 | * added to skb_queue will be processed, but frames in | |
619 | * skb_queue_unreliable may be dropped if the total length of these | |
620 | * queues increases over the limit. */ | |
621 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
622 | struct tasklet_struct tasklet; | |
623 | struct sk_buff_head skb_queue; | |
624 | struct sk_buff_head skb_queue_unreliable; | |
625 | ||
d0709a65 JB |
626 | /* Station data */ |
627 | /* | |
628 | * The lock only protects the list, hash, timer and counter | |
629 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 630 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
631 | */ |
632 | spinlock_t sta_lock; | |
633 | unsigned long num_sta; | |
f0706e82 | 634 | struct list_head sta_list; |
f0706e82 JB |
635 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
636 | struct timer_list sta_cleanup; | |
637 | ||
2a577d98 | 638 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
639 | struct tasklet_struct tx_pending_tasklet; |
640 | ||
cd8ffc80 JB |
641 | /* |
642 | * This lock is used to prevent concurrent A-MPDU | |
643 | * session start/stop processing, this thus also | |
644 | * synchronises the ->ampdu_action() callback to | |
645 | * drivers and limits it to one at a time. | |
646 | */ | |
647 | spinlock_t ampdu_lock; | |
648 | ||
53918994 JB |
649 | /* number of interfaces with corresponding IFF_ flags */ |
650 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
651 | |
652 | struct rate_control_ref *rate_ctrl; | |
653 | ||
f0706e82 JB |
654 | struct crypto_blkcipher *wep_tx_tfm; |
655 | struct crypto_blkcipher *wep_rx_tfm; | |
656 | u32 wep_iv; | |
f0706e82 | 657 | |
c771c9d8 | 658 | /* see iface.c */ |
79010420 | 659 | struct list_head interfaces; |
c771c9d8 | 660 | struct mutex iflist_mtx; |
79010420 | 661 | |
b16bd15c JB |
662 | /* |
663 | * Key lock, protects sdata's key_list and sta_info's | |
664 | * key pointers (write access, they're RCU.) | |
665 | */ | |
666 | spinlock_t key_lock; | |
667 | ||
668 | ||
c2b13452 | 669 | /* Scanning and BSS list */ |
f3b85252 | 670 | struct mutex scan_mtx; |
c2b13452 | 671 | bool sw_scanning, hw_scanning; |
2a519311 JB |
672 | struct cfg80211_ssid scan_ssid; |
673 | struct cfg80211_scan_request int_scan_req; | |
674 | struct cfg80211_scan_request *scan_req; | |
675 | struct ieee80211_channel *scan_channel; | |
de95a54b JB |
676 | const u8 *orig_ies; |
677 | int orig_ies_len; | |
f0706e82 | 678 | int scan_channel_idx; |
de95a54b | 679 | int scan_ies_len; |
8318d78a | 680 | |
f0706e82 | 681 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
f0706e82 | 682 | struct delayed_work scan_work; |
491775a5 | 683 | struct ieee80211_sub_if_data *scan_sdata; |
094d05dc | 684 | enum nl80211_channel_type oper_channel_type; |
2a519311 | 685 | struct ieee80211_channel *oper_channel, *csa_channel; |
f0706e82 JB |
686 | |
687 | /* SNMP counters */ | |
688 | /* dot11CountersTable */ | |
689 | u32 dot11TransmittedFragmentCount; | |
690 | u32 dot11MulticastTransmittedFrameCount; | |
691 | u32 dot11FailedCount; | |
692 | u32 dot11RetryCount; | |
693 | u32 dot11MultipleRetryCount; | |
694 | u32 dot11FrameDuplicateCount; | |
695 | u32 dot11ReceivedFragmentCount; | |
696 | u32 dot11MulticastReceivedFrameCount; | |
697 | u32 dot11TransmittedFrameCount; | |
f0706e82 JB |
698 | |
699 | #ifdef CONFIG_MAC80211_LEDS | |
700 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
701 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
702 | char tx_led_name[32], rx_led_name[32], | |
703 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
704 | #endif |
705 | ||
e9f207f0 JB |
706 | #ifdef CONFIG_MAC80211_DEBUGFS |
707 | struct work_struct sta_debugfs_add; | |
708 | #endif | |
709 | ||
f0706e82 JB |
710 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
711 | /* TX/RX handler statistics */ | |
712 | unsigned int tx_handlers_drop; | |
713 | unsigned int tx_handlers_queued; | |
714 | unsigned int tx_handlers_drop_unencrypted; | |
715 | unsigned int tx_handlers_drop_fragment; | |
716 | unsigned int tx_handlers_drop_wep; | |
717 | unsigned int tx_handlers_drop_not_assoc; | |
718 | unsigned int tx_handlers_drop_unauth_port; | |
719 | unsigned int rx_handlers_drop; | |
720 | unsigned int rx_handlers_queued; | |
721 | unsigned int rx_handlers_drop_nullfunc; | |
722 | unsigned int rx_handlers_drop_defrag; | |
723 | unsigned int rx_handlers_drop_short; | |
724 | unsigned int rx_handlers_drop_passive_scan; | |
725 | unsigned int tx_expand_skb_head; | |
726 | unsigned int tx_expand_skb_head_cloned; | |
727 | unsigned int rx_expand_skb_head; | |
728 | unsigned int rx_expand_skb_head2; | |
729 | unsigned int rx_handlers_fragments; | |
730 | unsigned int tx_status_drop; | |
f0706e82 JB |
731 | #define I802_DEBUG_INC(c) (c)++ |
732 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
733 | #define I802_DEBUG_INC(c) do { } while (0) | |
734 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
735 | ||
736 | ||
f0706e82 JB |
737 | int total_ps_buffered; /* total number of all buffered unicast and |
738 | * multicast packets for power saving stations | |
739 | */ | |
f0706e82 JB |
740 | int wifi_wme_noack_test; |
741 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
520eb820 | 742 | |
572e0012 | 743 | bool pspolling; |
965bedad JB |
744 | /* |
745 | * PS can only be enabled when we have exactly one managed | |
746 | * interface (and monitors) in PS, this then points there. | |
747 | */ | |
748 | struct ieee80211_sub_if_data *ps_sdata; | |
520eb820 KV |
749 | struct work_struct dynamic_ps_enable_work; |
750 | struct work_struct dynamic_ps_disable_work; | |
751 | struct timer_list dynamic_ps_timer; | |
10f644a4 | 752 | struct notifier_block network_latency_notifier; |
f0706e82 | 753 | |
2bf30fab | 754 | int user_power_level; /* in dBm */ |
a8302de9 | 755 | int power_constr_level; /* in dBm */ |
2bf30fab | 756 | |
f2753ddb JB |
757 | struct work_struct restart_work; |
758 | ||
e9f207f0 JB |
759 | #ifdef CONFIG_MAC80211_DEBUGFS |
760 | struct local_debugfsdentries { | |
4b7679a5 JB |
761 | struct dentry *rcdir; |
762 | struct dentry *rcname; | |
e9f207f0 | 763 | struct dentry *frequency; |
e9f207f0 | 764 | struct dentry *total_ps_buffered; |
e9f207f0 | 765 | struct dentry *wep_iv; |
ae54c985 | 766 | struct dentry *tsf; |
db2e6bd4 | 767 | struct dentry *queues; |
827b1fb4 | 768 | struct dentry *reset; |
d3707d99 | 769 | struct dentry *noack; |
e9f207f0 JB |
770 | struct dentry *statistics; |
771 | struct local_debugfsdentries_statsdentries { | |
772 | struct dentry *transmitted_fragment_count; | |
773 | struct dentry *multicast_transmitted_frame_count; | |
774 | struct dentry *failed_count; | |
775 | struct dentry *retry_count; | |
776 | struct dentry *multiple_retry_count; | |
777 | struct dentry *frame_duplicate_count; | |
778 | struct dentry *received_fragment_count; | |
779 | struct dentry *multicast_received_frame_count; | |
780 | struct dentry *transmitted_frame_count; | |
781 | struct dentry *wep_undecryptable_count; | |
782 | struct dentry *num_scans; | |
783 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS | |
784 | struct dentry *tx_handlers_drop; | |
785 | struct dentry *tx_handlers_queued; | |
786 | struct dentry *tx_handlers_drop_unencrypted; | |
787 | struct dentry *tx_handlers_drop_fragment; | |
788 | struct dentry *tx_handlers_drop_wep; | |
789 | struct dentry *tx_handlers_drop_not_assoc; | |
790 | struct dentry *tx_handlers_drop_unauth_port; | |
791 | struct dentry *rx_handlers_drop; | |
792 | struct dentry *rx_handlers_queued; | |
793 | struct dentry *rx_handlers_drop_nullfunc; | |
794 | struct dentry *rx_handlers_drop_defrag; | |
795 | struct dentry *rx_handlers_drop_short; | |
796 | struct dentry *rx_handlers_drop_passive_scan; | |
797 | struct dentry *tx_expand_skb_head; | |
798 | struct dentry *tx_expand_skb_head_cloned; | |
799 | struct dentry *rx_expand_skb_head; | |
800 | struct dentry *rx_expand_skb_head2; | |
801 | struct dentry *rx_handlers_fragments; | |
802 | struct dentry *tx_status_drop; | |
e9f207f0 JB |
803 | #endif |
804 | struct dentry *dot11ACKFailureCount; | |
805 | struct dentry *dot11RTSFailureCount; | |
806 | struct dentry *dot11FCSErrorCount; | |
807 | struct dentry *dot11RTSSuccessCount; | |
808 | } stats; | |
809 | struct dentry *stations; | |
810 | struct dentry *keys; | |
811 | } debugfs; | |
812 | #endif | |
f0706e82 JB |
813 | }; |
814 | ||
3e122be0 JB |
815 | static inline struct ieee80211_sub_if_data * |
816 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
817 | { | |
3e122be0 JB |
818 | return netdev_priv(dev); |
819 | } | |
820 | ||
eadc8d9e RR |
821 | /* this struct represents 802.11n's RA/TID combination */ |
822 | struct ieee80211_ra_tid { | |
823 | u8 ra[ETH_ALEN]; | |
824 | u16 tid; | |
825 | }; | |
826 | ||
ee385855 LCC |
827 | /* Parsed Information Elements */ |
828 | struct ieee802_11_elems { | |
43ac2ca3 JM |
829 | u8 *ie_start; |
830 | size_t total_len; | |
831 | ||
ee385855 LCC |
832 | /* pointers to IEs */ |
833 | u8 *ssid; | |
834 | u8 *supp_rates; | |
835 | u8 *fh_params; | |
836 | u8 *ds_params; | |
837 | u8 *cf_params; | |
e7ec86f5 | 838 | struct ieee80211_tim_ie *tim; |
ee385855 LCC |
839 | u8 *ibss_params; |
840 | u8 *challenge; | |
841 | u8 *wpa; | |
842 | u8 *rsn; | |
843 | u8 *erp_info; | |
844 | u8 *ext_supp_rates; | |
845 | u8 *wmm_info; | |
846 | u8 *wmm_param; | |
09914813 | 847 | struct ieee80211_ht_cap *ht_cap_elem; |
d9fe60de | 848 | struct ieee80211_ht_info *ht_info_elem; |
ee385855 LCC |
849 | u8 *mesh_config; |
850 | u8 *mesh_id; | |
851 | u8 *peer_link; | |
852 | u8 *preq; | |
853 | u8 *prep; | |
854 | u8 *perr; | |
f2df3859 AK |
855 | u8 *ch_switch_elem; |
856 | u8 *country_elem; | |
857 | u8 *pwr_constr_elem; | |
858 | u8 *quiet_elem; /* first quite element */ | |
f797eb7e | 859 | u8 *timeout_int; |
ee385855 LCC |
860 | |
861 | /* length of them, respectively */ | |
862 | u8 ssid_len; | |
863 | u8 supp_rates_len; | |
864 | u8 fh_params_len; | |
865 | u8 ds_params_len; | |
866 | u8 cf_params_len; | |
867 | u8 tim_len; | |
868 | u8 ibss_params_len; | |
869 | u8 challenge_len; | |
870 | u8 wpa_len; | |
871 | u8 rsn_len; | |
872 | u8 erp_info_len; | |
873 | u8 ext_supp_rates_len; | |
874 | u8 wmm_info_len; | |
875 | u8 wmm_param_len; | |
ee385855 LCC |
876 | u8 mesh_config_len; |
877 | u8 mesh_id_len; | |
878 | u8 peer_link_len; | |
879 | u8 preq_len; | |
880 | u8 prep_len; | |
881 | u8 perr_len; | |
f2df3859 AK |
882 | u8 ch_switch_elem_len; |
883 | u8 country_elem_len; | |
884 | u8 pwr_constr_elem_len; | |
885 | u8 quiet_elem_len; | |
886 | u8 num_of_quiet_elem; /* can be more the one */ | |
f797eb7e | 887 | u8 timeout_int_len; |
ee385855 LCC |
888 | }; |
889 | ||
f0706e82 JB |
890 | static inline struct ieee80211_local *hw_to_local( |
891 | struct ieee80211_hw *hw) | |
892 | { | |
893 | return container_of(hw, struct ieee80211_local, hw); | |
894 | } | |
895 | ||
896 | static inline struct ieee80211_hw *local_to_hw( | |
897 | struct ieee80211_local *local) | |
898 | { | |
899 | return &local->hw; | |
900 | } | |
901 | ||
f0706e82 | 902 | |
571ecf67 JB |
903 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
904 | { | |
905 | return compare_ether_addr(raddr, addr) == 0 || | |
906 | is_broadcast_ether_addr(raddr); | |
907 | } | |
908 | ||
909 | ||
e8975581 | 910 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
5cf121c3 | 911 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
9c6bd790 JB |
912 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
913 | u32 changed); | |
0d143fe1 | 914 | void ieee80211_configure_filter(struct ieee80211_local *local); |
46900298 | 915 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
f0706e82 | 916 | |
9c6bd790 | 917 | /* wireless extensions */ |
f0706e82 | 918 | extern const struct iw_handler_def ieee80211_iw_handler_def; |
65b53e4c | 919 | |
46900298 | 920 | /* STA code */ |
9c6bd790 | 921 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
77fdaa12 JB |
922 | int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, |
923 | struct cfg80211_auth_request *req); | |
924 | int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, | |
925 | struct cfg80211_assoc_request *req); | |
926 | int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, | |
667503dd JB |
927 | struct cfg80211_deauth_request *req, |
928 | void *cookie); | |
77fdaa12 | 929 | int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, |
667503dd JB |
930 | struct cfg80211_disassoc_request *req, |
931 | void *cookie); | |
46900298 | 932 | ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, |
f1d58c25 | 933 | struct sk_buff *skb); |
572e0012 KV |
934 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
935 | struct ieee80211_sub_if_data *sdata); | |
10f644a4 JB |
936 | void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); |
937 | int ieee80211_max_network_latency(struct notifier_block *nb, | |
938 | unsigned long data, void *dummy); | |
cc32abd4 JB |
939 | void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, |
940 | struct ieee80211_channel_sw_ie *sw_elem, | |
941 | struct ieee80211_bss *bss); | |
5bb644a0 JB |
942 | void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); |
943 | void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); | |
9c6bd790 | 944 | |
46900298 | 945 | /* IBSS code */ |
46900298 JB |
946 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); |
947 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
948 | ieee80211_rx_result | |
f1d58c25 | 949 | ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
46900298 JB |
950 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, |
951 | u8 *bssid, u8 *addr, u32 supp_rates); | |
af8cdcd8 JB |
952 | int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, |
953 | struct cfg80211_ibss_params *params); | |
954 | int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); | |
5bb644a0 JB |
955 | void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); |
956 | void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); | |
46900298 | 957 | |
9c6bd790 | 958 | /* scan/BSS handling */ |
46900298 | 959 | void ieee80211_scan_work(struct work_struct *work); |
f3b85252 JB |
960 | int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, |
961 | const u8 *ssid, u8 ssid_len); | |
c2b13452 | 962 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
2a519311 | 963 | struct cfg80211_scan_request *req); |
5bb644a0 | 964 | void ieee80211_scan_cancel(struct ieee80211_local *local); |
c2b13452 | 965 | ieee80211_rx_result |
f1d58c25 | 966 | ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
9c6bd790 | 967 | |
0a51b27e | 968 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
c2b13452 | 969 | struct ieee80211_bss * |
98c8fccf JB |
970 | ieee80211_bss_info_update(struct ieee80211_local *local, |
971 | struct ieee80211_rx_status *rx_status, | |
972 | struct ieee80211_mgmt *mgmt, | |
973 | size_t len, | |
974 | struct ieee802_11_elems *elems, | |
2a519311 JB |
975 | struct ieee80211_channel *channel, |
976 | bool beacon); | |
c2b13452 | 977 | struct ieee80211_bss * |
5484e237 JB |
978 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, |
979 | u8 *ssid, u8 ssid_len); | |
98c8fccf | 980 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 981 | struct ieee80211_bss *bss); |
ee385855 | 982 | |
3e122be0 JB |
983 | /* interface handling */ |
984 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, | |
05c914fe | 985 | struct net_device **new_dev, enum nl80211_iftype type, |
ee385855 | 986 | struct vif_params *params); |
f3947e2d | 987 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
05c914fe | 988 | enum nl80211_iftype type); |
f698d856 | 989 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 990 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
5cff20e6 JB |
991 | u32 __ieee80211_recalc_idle(struct ieee80211_local *local); |
992 | void ieee80211_recalc_idle(struct ieee80211_local *local); | |
f0706e82 | 993 | |
e2ebc74d | 994 | /* tx handling */ |
e2ebc74d JB |
995 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
996 | void ieee80211_tx_pending(unsigned long data); | |
e2ebc74d JB |
997 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); |
998 | int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
e2ebc74d | 999 | |
de1ede7a | 1000 | /* HT */ |
ae5eb026 JB |
1001 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, |
1002 | struct ieee80211_ht_cap *ht_cap_ie, | |
d9fe60de | 1003 | struct ieee80211_sta_ht_cap *ht_cap); |
de1ede7a | 1004 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); |
b8695a8f JB |
1005 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
1006 | const u8 *da, u16 tid, | |
1007 | u16 initiator, u16 reason_code); | |
de1ede7a JB |
1008 | |
1009 | void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da, | |
1010 | u16 tid, u16 initiator, u16 reason); | |
849b7967 JB |
1011 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
1012 | u16 initiator, u16 reason); | |
2dace10e | 1013 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta); |
de1ede7a JB |
1014 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
1015 | struct sta_info *sta, | |
1016 | struct ieee80211_mgmt *mgmt, size_t len); | |
1017 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
1018 | struct sta_info *sta, | |
1019 | struct ieee80211_mgmt *mgmt, | |
1020 | size_t len); | |
1021 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
1022 | struct sta_info *sta, | |
1023 | struct ieee80211_mgmt *mgmt, | |
1024 | size_t len); | |
1025 | ||
849b7967 JB |
1026 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
1027 | enum ieee80211_back_parties initiator); | |
1028 | ||
39192c0b JB |
1029 | /* Spectrum management */ |
1030 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
1031 | struct ieee80211_mgmt *mgmt, | |
1032 | size_t len); | |
1033 | ||
f2753ddb JB |
1034 | /* Suspend/resume and hw reconfiguration */ |
1035 | int ieee80211_reconfig(struct ieee80211_local *local); | |
1036 | ||
827b1fb4 | 1037 | #ifdef CONFIG_PM |
665af4fc | 1038 | int __ieee80211_suspend(struct ieee80211_hw *hw); |
f2753ddb JB |
1039 | |
1040 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) | |
1041 | { | |
1042 | return ieee80211_reconfig(hw_to_local(hw)); | |
1043 | } | |
827b1fb4 JB |
1044 | #else |
1045 | static inline int __ieee80211_suspend(struct ieee80211_hw *hw) | |
1046 | { | |
1047 | return 0; | |
1048 | } | |
f2753ddb | 1049 | |
827b1fb4 JB |
1050 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) |
1051 | { | |
1052 | return 0; | |
1053 | } | |
1054 | #endif | |
665af4fc | 1055 | |
c2d1560a JB |
1056 | /* utility functions/constants */ |
1057 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
71364716 | 1058 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
05c914fe | 1059 | enum nl80211_iftype type); |
c2d1560a JB |
1060 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
1061 | int rate, int erp, int short_preamble); | |
f698d856 | 1062 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
e6d6e342 JB |
1063 | struct ieee80211_hdr *hdr, const u8 *tsc, |
1064 | gfp_t gfp); | |
5825fe10 | 1065 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); |
e50db65c JB |
1066 | void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
1067 | int encrypt); | |
9c6bd790 JB |
1068 | void ieee802_11_parse_elems(u8 *start, size_t len, |
1069 | struct ieee802_11_elems *elems); | |
d91f36db JB |
1070 | u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, |
1071 | struct ieee802_11_elems *elems, | |
1072 | u64 filter, u32 crc); | |
881d948c | 1073 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
96dd22ac | 1074 | enum ieee80211_band band); |
f0706e82 | 1075 | |
520eb820 KV |
1076 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
1077 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); | |
1078 | void ieee80211_dynamic_ps_timer(unsigned long data); | |
a97b77b9 VN |
1079 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
1080 | struct ieee80211_sub_if_data *sdata, | |
1081 | int powersave); | |
3cf335d5 KV |
1082 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
1083 | struct ieee80211_hdr *hdr); | |
04de8381 | 1084 | void ieee80211_beacon_loss_work(struct work_struct *work); |
520eb820 | 1085 | |
ce7c9111 KV |
1086 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
1087 | enum queue_stop_reason reason); | |
1088 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, | |
1089 | enum queue_stop_reason reason); | |
96f5e66e JB |
1090 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
1091 | enum queue_stop_reason reason); | |
1092 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, | |
1093 | enum queue_stop_reason reason); | |
8f77f384 JB |
1094 | void ieee80211_add_pending_skb(struct ieee80211_local *local, |
1095 | struct sk_buff *skb); | |
1096 | int ieee80211_add_pending_skbs(struct ieee80211_local *local, | |
1097 | struct sk_buff_head *skbs); | |
ce7c9111 | 1098 | |
46900298 JB |
1099 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
1100 | u16 transaction, u16 auth_alg, | |
fffd0934 JB |
1101 | u8 *extra, size_t extra_len, const u8 *bssid, |
1102 | const u8 *key, u8 key_len, u8 key_idx); | |
de95a54b JB |
1103 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
1104 | const u8 *ie, size_t ie_len); | |
46900298 | 1105 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
de95a54b JB |
1106 | const u8 *ssid, size_t ssid_len, |
1107 | const u8 *ie, size_t ie_len); | |
46900298 JB |
1108 | |
1109 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, | |
1110 | const size_t supp_rates_len, | |
1111 | const u8 *supp_rates); | |
1112 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, | |
1113 | struct ieee802_11_elems *elems, | |
1114 | enum ieee80211_band band); | |
1115 | ||
f4ea83dd | 1116 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1117 | #define debug_noinline noinline |
1118 | #else | |
1119 | #define debug_noinline | |
1120 | #endif | |
1121 | ||
f0706e82 | 1122 | #endif /* IEEE80211_I_H */ |