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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> |
f0706e82 | 27 | #include <net/wireless.h> |
ccc58057 | 28 | #include <net/iw_handler.h> |
51cb6db0 | 29 | #include <net/mac80211.h> |
2c8dccc7 | 30 | #include "key.h" |
f0706e82 JB |
31 | #include "sta_info.h" |
32 | ||
9cfb0009 | 33 | struct ieee80211_local; |
f0706e82 JB |
34 | |
35 | /* Maximum number of broadcast/multicast frames to buffer when some of the | |
36 | * associated stations are using power saving. */ | |
37 | #define AP_MAX_BC_BUFFER 128 | |
38 | ||
39 | /* Maximum number of frames buffered to all STAs, including multicast frames. | |
40 | * Note: increasing this limit increases the potential memory requirement. Each | |
41 | * frame can be up to about 2 kB long. */ | |
42 | #define TOTAL_MAX_TX_BUFFER 512 | |
43 | ||
44 | /* Required encryption head and tailroom */ | |
45 | #define IEEE80211_ENCRYPT_HEADROOM 8 | |
46 | #define IEEE80211_ENCRYPT_TAILROOM 12 | |
47 | ||
48 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent | |
49 | * reception of at least three fragmented frames. This limit can be increased | |
50 | * by changing this define, at the cost of slower frame reassembly and | |
51 | * increased memory use (about 2 kB of RAM per entry). */ | |
52 | #define IEEE80211_FRAGMENT_MAX 4 | |
53 | ||
0a51b27e JB |
54 | /* |
55 | * Time after which we ignore scan results and no longer report/use | |
56 | * them in any way. | |
57 | */ | |
58 | #define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ) | |
59 | ||
f0706e82 JB |
60 | struct ieee80211_fragment_entry { |
61 | unsigned long first_frag_time; | |
62 | unsigned int seq; | |
63 | unsigned int rx_queue; | |
64 | unsigned int last_frag; | |
65 | unsigned int extra_len; | |
66 | struct sk_buff_head skb_list; | |
67 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
68 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
69 | }; | |
70 | ||
71 | ||
c2b13452 | 72 | struct ieee80211_bss { |
f0706e82 | 73 | struct list_head list; |
c2b13452 | 74 | struct ieee80211_bss *hnext; |
056cdd59 JB |
75 | size_t ssid_len; |
76 | ||
f0706e82 JB |
77 | atomic_t users; |
78 | ||
79 | u8 bssid[ETH_ALEN]; | |
80 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
98f7dfd8 | 81 | u8 dtim_period; |
f0706e82 | 82 | u16 capability; /* host byte order */ |
8318d78a | 83 | enum ieee80211_band band; |
f0706e82 | 84 | int freq; |
566bfe5a | 85 | int signal, noise, qual; |
43ac2ca3 JM |
86 | u8 *ies; /* all information elements from the last Beacon or Probe |
87 | * Response frames; note Beacon frame is not allowed to | |
88 | * override values from Probe Response */ | |
89 | size_t ies_len; | |
90 | bool wmm_used; | |
ee385855 LCC |
91 | #ifdef CONFIG_MAC80211_MESH |
92 | u8 *mesh_id; | |
93 | size_t mesh_id_len; | |
24736701 | 94 | u8 *mesh_cfg; |
902acc78 | 95 | #endif |
f0706e82 JB |
96 | #define IEEE80211_MAX_SUPP_RATES 32 |
97 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
98 | size_t supp_rates_len; | |
f0706e82 | 99 | u64 timestamp; |
056cdd59 | 100 | int beacon_int; |
f0706e82 | 101 | |
9859b81e | 102 | unsigned long last_probe_resp; |
f0706e82 JB |
103 | unsigned long last_update; |
104 | ||
5628221c DD |
105 | /* during assocation, we save an ERP value from a probe response so |
106 | * that we can feed ERP info to the driver when handling the | |
107 | * association completes. these fields probably won't be up-to-date | |
108 | * otherwise, you probably don't want to use them. */ | |
109 | int has_erp_value; | |
110 | u8 erp_value; | |
f0706e82 JB |
111 | }; |
112 | ||
c2b13452 | 113 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
902acc78 JB |
114 | { |
115 | #ifdef CONFIG_MAC80211_MESH | |
116 | return bss->mesh_cfg; | |
117 | #endif | |
118 | return NULL; | |
119 | } | |
120 | ||
c2b13452 | 121 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
902acc78 JB |
122 | { |
123 | #ifdef CONFIG_MAC80211_MESH | |
124 | return bss->mesh_id; | |
125 | #endif | |
126 | return NULL; | |
127 | } | |
128 | ||
c2b13452 | 129 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
902acc78 JB |
130 | { |
131 | #ifdef CONFIG_MAC80211_MESH | |
132 | return bss->mesh_id_len; | |
133 | #endif | |
134 | return 0; | |
135 | } | |
136 | ||
f0706e82 | 137 | |
9ae54c84 JB |
138 | typedef unsigned __bitwise__ ieee80211_tx_result; |
139 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
140 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
141 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
142 | ||
5cf121c3 JB |
143 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
144 | #define IEEE80211_TX_UNICAST BIT(1) | |
145 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
5cf121c3 JB |
146 | |
147 | struct ieee80211_tx_data { | |
148 | struct sk_buff *skb; | |
149 | struct net_device *dev; | |
150 | struct ieee80211_local *local; | |
151 | struct ieee80211_sub_if_data *sdata; | |
152 | struct sta_info *sta; | |
5cf121c3 | 153 | struct ieee80211_key *key; |
5cf121c3 | 154 | |
5cf121c3 | 155 | struct ieee80211_channel *channel; |
5cf121c3 JB |
156 | |
157 | /* Extra fragments (in addition to the first fragment | |
158 | * in skb) */ | |
5cf121c3 | 159 | struct sk_buff **extra_frag; |
056cdd59 JB |
160 | int num_extra_frag; |
161 | ||
a4b7d7bd | 162 | u16 ethertype; |
056cdd59 | 163 | unsigned int flags; |
5cf121c3 JB |
164 | }; |
165 | ||
166 | ||
9ae54c84 | 167 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
168 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
169 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
170 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
171 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 172 | |
5cf121c3 | 173 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 174 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
175 | #define IEEE80211_RX_RA_MATCH BIT(1) |
176 | #define IEEE80211_RX_AMSDU BIT(2) | |
177 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) | |
178 | #define IEEE80211_RX_FRAGMENTED BIT(4) | |
179 | ||
180 | struct ieee80211_rx_data { | |
f0706e82 JB |
181 | struct sk_buff *skb; |
182 | struct net_device *dev; | |
183 | struct ieee80211_local *local; | |
184 | struct ieee80211_sub_if_data *sdata; | |
185 | struct sta_info *sta; | |
f0706e82 | 186 | struct ieee80211_key *key; |
5cf121c3 JB |
187 | struct ieee80211_rx_status *status; |
188 | struct ieee80211_rate *rate; | |
056cdd59 | 189 | |
056cdd59 | 190 | unsigned int flags; |
5cf121c3 JB |
191 | int sent_ps_buffered; |
192 | int queue; | |
5cf121c3 JB |
193 | u32 tkip_iv32; |
194 | u16 tkip_iv16; | |
f0706e82 JB |
195 | }; |
196 | ||
f0706e82 | 197 | struct ieee80211_tx_stored_packet { |
f0706e82 | 198 | struct sk_buff *skb; |
f0706e82 | 199 | struct sk_buff **extra_frag; |
056cdd59 | 200 | int num_extra_frag; |
f0706e82 JB |
201 | }; |
202 | ||
5dfdaf58 JB |
203 | struct beacon_data { |
204 | u8 *head, *tail; | |
205 | int head_len, tail_len; | |
206 | int dtim_period; | |
207 | }; | |
208 | ||
f0706e82 | 209 | struct ieee80211_if_ap { |
5dfdaf58 | 210 | struct beacon_data *beacon; |
f0706e82 | 211 | |
0ec3ca44 JB |
212 | struct list_head vlans; |
213 | ||
f0706e82 JB |
214 | /* yes, this looks ugly, but guarantees that we can later use |
215 | * bitmap_empty :) | |
004c872e | 216 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 217 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 218 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 219 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 220 | int dtim_count; |
f0706e82 JB |
221 | }; |
222 | ||
223 | struct ieee80211_if_wds { | |
f0706e82 | 224 | struct sta_info *sta; |
056cdd59 | 225 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
226 | }; |
227 | ||
228 | struct ieee80211_if_vlan { | |
0ec3ca44 | 229 | struct list_head list; |
f0706e82 JB |
230 | }; |
231 | ||
ee385855 LCC |
232 | struct mesh_stats { |
233 | __u32 fwded_frames; /* Mesh forwarded frames */ | |
234 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ | |
235 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
236 | atomic_t estab_plinks; | |
237 | }; | |
238 | ||
239 | #define PREQ_Q_F_START 0x1 | |
240 | #define PREQ_Q_F_REFRESH 0x2 | |
241 | struct mesh_preq_queue { | |
242 | struct list_head list; | |
243 | u8 dst[ETH_ALEN]; | |
244 | u8 flags; | |
245 | }; | |
246 | ||
d6f2da5b JS |
247 | /* flags used in struct ieee80211_if_sta.flags */ |
248 | #define IEEE80211_STA_SSID_SET BIT(0) | |
249 | #define IEEE80211_STA_BSSID_SET BIT(1) | |
250 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) | |
251 | #define IEEE80211_STA_AUTHENTICATED BIT(3) | |
252 | #define IEEE80211_STA_ASSOCIATED BIT(4) | |
253 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) | |
254 | #define IEEE80211_STA_CREATE_IBSS BIT(6) | |
255 | #define IEEE80211_STA_MIXED_CELL BIT(7) | |
256 | #define IEEE80211_STA_WMM_ENABLED BIT(8) | |
257 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) | |
258 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) | |
259 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) | |
5b98b1f7 | 260 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
eb46936b | 261 | #define IEEE80211_STA_TKIP_WEP_USED BIT(14) |
c481ec97 | 262 | #define IEEE80211_STA_CSA_RECEIVED BIT(15) |
5394af4d | 263 | #define IEEE80211_STA_MFP_ENABLED BIT(16) |
ccd7b362 | 264 | /* flags for MLME request */ |
48c2fc59 | 265 | #define IEEE80211_STA_REQ_SCAN 0 |
9859b81e RR |
266 | #define IEEE80211_STA_REQ_DIRECT_PROBE 1 |
267 | #define IEEE80211_STA_REQ_AUTH 2 | |
268 | #define IEEE80211_STA_REQ_RUN 3 | |
48c2fc59 | 269 | |
ccd7b362 | 270 | /* STA/IBSS MLME states */ |
48c2fc59 TW |
271 | enum ieee80211_sta_mlme_state { |
272 | IEEE80211_STA_MLME_DISABLED, | |
9859b81e | 273 | IEEE80211_STA_MLME_DIRECT_PROBE, |
48c2fc59 TW |
274 | IEEE80211_STA_MLME_AUTHENTICATE, |
275 | IEEE80211_STA_MLME_ASSOCIATE, | |
276 | IEEE80211_STA_MLME_ASSOCIATED, | |
277 | IEEE80211_STA_MLME_IBSS_SEARCH, | |
278 | IEEE80211_STA_MLME_IBSS_JOINED, | |
48c2fc59 TW |
279 | }; |
280 | ||
281 | /* bitfield of allowed auth algs */ | |
282 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) | |
283 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) | |
284 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) | |
285 | ||
f0706e82 | 286 | struct ieee80211_if_sta { |
056cdd59 | 287 | struct timer_list timer; |
c481ec97 | 288 | struct timer_list chswitch_timer; |
056cdd59 | 289 | struct work_struct work; |
c481ec97 | 290 | struct work_struct chswitch_work; |
056cdd59 JB |
291 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; |
292 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
48c2fc59 | 293 | enum ieee80211_sta_mlme_state state; |
f0706e82 | 294 | size_t ssid_len; |
a0af5f14 HS |
295 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
296 | size_t scan_ssid_len; | |
f0706e82 JB |
297 | u16 aid; |
298 | u16 ap_capab, capab; | |
299 | u8 *extra_ie; /* to be added to the end of AssocReq */ | |
300 | size_t extra_ie_len; | |
301 | ||
302 | /* The last AssocReq/Resp IEs */ | |
303 | u8 *assocreq_ies, *assocresp_ies; | |
304 | size_t assocreq_ies_len, assocresp_ies_len; | |
305 | ||
056cdd59 JB |
306 | struct sk_buff_head skb_queue; |
307 | ||
6042a3e3 | 308 | int assoc_scan_tries; /* number of scans done pre-association */ |
9859b81e | 309 | int direct_probe_tries; /* retries for direct probes */ |
6042a3e3 RR |
310 | int auth_tries; /* retries for auth req */ |
311 | int assoc_tries; /* retries for assoc req */ | |
f0706e82 | 312 | |
056cdd59 JB |
313 | unsigned long request; |
314 | ||
315 | unsigned long last_probe; | |
316 | ||
d6f2da5b | 317 | unsigned int flags; |
f0706e82 | 318 | |
f0706e82 JB |
319 | unsigned int auth_algs; /* bitfield of allowed auth algs */ |
320 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ | |
321 | int auth_transaction; | |
322 | ||
323 | unsigned long ibss_join_req; | |
324 | struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ | |
8318d78a | 325 | u32 supp_rates_bits[IEEE80211_NUM_BANDS]; |
f0706e82 JB |
326 | |
327 | int wmm_last_param_set; | |
328 | }; | |
329 | ||
472dbc45 JB |
330 | struct ieee80211_if_mesh { |
331 | struct work_struct work; | |
332 | struct timer_list housekeeping_timer; | |
333 | struct timer_list mesh_path_timer; | |
334 | struct sk_buff_head skb_queue; | |
335 | ||
336 | bool housekeeping; | |
337 | ||
338 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
339 | size_t mesh_id_len; | |
340 | /* Active Path Selection Protocol Identifier */ | |
341 | u8 mesh_pp_id[4]; | |
342 | /* Active Path Selection Metric Identifier */ | |
343 | u8 mesh_pm_id[4]; | |
344 | /* Congestion Control Mode Identifier */ | |
345 | u8 mesh_cc_id[4]; | |
346 | /* Local mesh Destination Sequence Number */ | |
347 | u32 dsn; | |
348 | /* Last used PREQ ID */ | |
349 | u32 preq_id; | |
350 | atomic_t mpaths; | |
351 | /* Timestamp of last DSN update */ | |
352 | unsigned long last_dsn_update; | |
353 | /* Timestamp of last DSN sent */ | |
354 | unsigned long last_preq; | |
355 | struct mesh_rmc *rmc; | |
356 | spinlock_t mesh_preq_queue_lock; | |
357 | struct mesh_preq_queue preq_queue; | |
358 | int preq_queue_len; | |
359 | struct mesh_stats mshstats; | |
360 | struct mesh_config mshcfg; | |
361 | u32 mesh_seqnum; | |
362 | bool accepting_plinks; | |
472dbc45 | 363 | }; |
902acc78 JB |
364 | |
365 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
366 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
367 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 368 | #else |
472dbc45 | 369 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
370 | do { } while (0) |
371 | #endif | |
f0706e82 | 372 | |
213cd118 JB |
373 | /** |
374 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
375 | * | |
376 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
377 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
378 | * @IEEE80211_SDATA_USERSPACE_MLME: userspace MLME is active | |
379 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode | |
380 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
381 | * associated stations and deliver multicast frames both | |
382 | * back to wireless media and to the local net stack. | |
383 | */ | |
384 | enum ieee80211_sub_if_data_flags { | |
385 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
386 | IEEE80211_SDATA_PROMISC = BIT(1), | |
387 | IEEE80211_SDATA_USERSPACE_MLME = BIT(2), | |
388 | IEEE80211_SDATA_OPERATING_GMODE = BIT(3), | |
389 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(4), | |
390 | }; | |
391 | ||
f0706e82 JB |
392 | struct ieee80211_sub_if_data { |
393 | struct list_head list; | |
f0706e82 JB |
394 | |
395 | struct wireless_dev wdev; | |
396 | ||
11a843b7 JB |
397 | /* keys */ |
398 | struct list_head key_list; | |
399 | ||
f0706e82 JB |
400 | struct net_device *dev; |
401 | struct ieee80211_local *local; | |
402 | ||
13262ffd | 403 | unsigned int flags; |
7e9ed188 | 404 | |
f0706e82 | 405 | int drop_unencrypted; |
f0706e82 | 406 | |
f0706e82 JB |
407 | /* Fragment table for host-based reassembly */ |
408 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
409 | unsigned int fragment_next; | |
410 | ||
411 | #define NUM_DEFAULT_KEYS 4 | |
412 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; | |
413 | struct ieee80211_key *default_key; | |
414 | ||
94778280 JB |
415 | u16 sequence_number; |
416 | ||
471b3efd | 417 | /* |
3e122be0 JB |
418 | * AP this belongs to: self in AP mode and |
419 | * corresponding AP in VLAN mode, NULL for | |
420 | * all others (might be needed later in IBSS) | |
471b3efd | 421 | */ |
3e122be0 JB |
422 | struct ieee80211_if_ap *bss; |
423 | ||
424 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ | |
425 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ | |
f0706e82 JB |
426 | |
427 | union { | |
428 | struct ieee80211_if_ap ap; | |
429 | struct ieee80211_if_wds wds; | |
430 | struct ieee80211_if_vlan vlan; | |
431 | struct ieee80211_if_sta sta; | |
472dbc45 JB |
432 | #ifdef CONFIG_MAC80211_MESH |
433 | struct ieee80211_if_mesh mesh; | |
434 | #endif | |
8cc9a739 | 435 | u32 mntr_flags; |
f0706e82 | 436 | } u; |
e9f207f0 JB |
437 | |
438 | #ifdef CONFIG_MAC80211_DEBUGFS | |
439 | struct dentry *debugfsdir; | |
440 | union { | |
441 | struct { | |
e9f207f0 | 442 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
443 | struct dentry *state; |
444 | struct dentry *bssid; | |
445 | struct dentry *prev_bssid; | |
446 | struct dentry *ssid_len; | |
447 | struct dentry *aid; | |
448 | struct dentry *ap_capab; | |
449 | struct dentry *capab; | |
450 | struct dentry *extra_ie_len; | |
451 | struct dentry *auth_tries; | |
452 | struct dentry *assoc_tries; | |
453 | struct dentry *auth_algs; | |
454 | struct dentry *auth_alg; | |
455 | struct dentry *auth_transaction; | |
456 | struct dentry *flags; | |
93015f0f JM |
457 | struct dentry *force_unicast_rateidx; |
458 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
459 | } sta; |
460 | struct { | |
e9f207f0 | 461 | struct dentry *drop_unencrypted; |
e9f207f0 | 462 | struct dentry *num_sta_ps; |
e9f207f0 | 463 | struct dentry *dtim_count; |
e9f207f0 JB |
464 | struct dentry *force_unicast_rateidx; |
465 | struct dentry *max_ratectrl_rateidx; | |
466 | struct dentry *num_buffered_multicast; | |
e9f207f0 JB |
467 | } ap; |
468 | struct { | |
e9f207f0 | 469 | struct dentry *drop_unencrypted; |
e9f207f0 | 470 | struct dentry *peer; |
93015f0f JM |
471 | struct dentry *force_unicast_rateidx; |
472 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
473 | } wds; |
474 | struct { | |
e9f207f0 | 475 | struct dentry *drop_unencrypted; |
93015f0f JM |
476 | struct dentry *force_unicast_rateidx; |
477 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
478 | } vlan; |
479 | struct { | |
480 | struct dentry *mode; | |
481 | } monitor; | |
e9f207f0 | 482 | } debugfs; |
2b58b209 JM |
483 | struct { |
484 | struct dentry *default_key; | |
485 | } common_debugfs; | |
ee385855 LCC |
486 | |
487 | #ifdef CONFIG_MAC80211_MESH | |
488 | struct dentry *mesh_stats_dir; | |
489 | struct { | |
490 | struct dentry *fwded_frames; | |
491 | struct dentry *dropped_frames_ttl; | |
492 | struct dentry *dropped_frames_no_route; | |
493 | struct dentry *estab_plinks; | |
902acc78 | 494 | struct timer_list mesh_path_timer; |
ee385855 LCC |
495 | } mesh_stats; |
496 | ||
497 | struct dentry *mesh_config_dir; | |
498 | struct { | |
499 | struct dentry *dot11MeshRetryTimeout; | |
500 | struct dentry *dot11MeshConfirmTimeout; | |
501 | struct dentry *dot11MeshHoldingTimeout; | |
502 | struct dentry *dot11MeshMaxRetries; | |
503 | struct dentry *dot11MeshTTL; | |
504 | struct dentry *auto_open_plinks; | |
505 | struct dentry *dot11MeshMaxPeerLinks; | |
506 | struct dentry *dot11MeshHWMPactivePathTimeout; | |
507 | struct dentry *dot11MeshHWMPpreqMinInterval; | |
508 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; | |
509 | struct dentry *dot11MeshHWMPmaxPREQretries; | |
510 | struct dentry *path_refresh_time; | |
511 | struct dentry *min_discovery_timeout; | |
512 | } mesh_config; | |
513 | #endif | |
514 | ||
e9f207f0 | 515 | #endif |
32bfd35d JB |
516 | /* must be last, dynamically sized area in this! */ |
517 | struct ieee80211_vif vif; | |
f0706e82 JB |
518 | }; |
519 | ||
32bfd35d JB |
520 | static inline |
521 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
522 | { | |
523 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
524 | } | |
525 | ||
472dbc45 JB |
526 | static inline void |
527 | ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, | |
528 | u8 mesh_id_len, u8 *mesh_id) | |
529 | { | |
530 | #ifdef CONFIG_MAC80211_MESH | |
531 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
532 | ifmsh->mesh_id_len = mesh_id_len; | |
533 | memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); | |
534 | #else | |
535 | WARN_ON(1); | |
536 | #endif | |
537 | } | |
538 | ||
f0706e82 JB |
539 | enum { |
540 | IEEE80211_RX_MSG = 1, | |
541 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
542 | IEEE80211_DELBA_MSG = 3, |
543 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
544 | }; |
545 | ||
ce7c9111 KV |
546 | enum queue_stop_reason { |
547 | IEEE80211_QUEUE_STOP_REASON_DRIVER, | |
520eb820 | 548 | IEEE80211_QUEUE_STOP_REASON_PS, |
c481ec97 | 549 | IEEE80211_QUEUE_STOP_REASON_CSA |
ce7c9111 KV |
550 | }; |
551 | ||
51cb6db0 DM |
552 | /* maximum number of hardware queues we support. */ |
553 | #define QD_MAX_QUEUES (IEEE80211_MAX_AMPDU_QUEUES + IEEE80211_MAX_QUEUES) | |
554 | ||
133b8226 JB |
555 | struct ieee80211_master_priv { |
556 | struct ieee80211_local *local; | |
557 | }; | |
558 | ||
f0706e82 JB |
559 | struct ieee80211_local { |
560 | /* embed the driver visible part. | |
561 | * don't cast (use the static inlines below), but we keep | |
562 | * it first anyway so they become a no-op */ | |
563 | struct ieee80211_hw hw; | |
564 | ||
565 | const struct ieee80211_ops *ops; | |
566 | ||
51cb6db0 | 567 | unsigned long queue_pool[BITS_TO_LONGS(QD_MAX_QUEUES)]; |
ce7c9111 KV |
568 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
569 | spinlock_t queue_stop_reason_lock; | |
f0706e82 | 570 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
f0706e82 | 571 | int open_count; |
3d30d949 | 572 | int monitors, cooked_mntrs; |
8cc9a739 MW |
573 | /* number of interfaces with corresponding FIF_ flags */ |
574 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; | |
4150c572 | 575 | unsigned int filter_flags; /* FIF_* */ |
f0706e82 JB |
576 | struct iw_statistics wstats; |
577 | u8 wstats_flags; | |
d0709a65 | 578 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
b306f453 | 579 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 580 | |
f0706e82 JB |
581 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
582 | * added to skb_queue will be processed, but frames in | |
583 | * skb_queue_unreliable may be dropped if the total length of these | |
584 | * queues increases over the limit. */ | |
585 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
586 | struct tasklet_struct tasklet; | |
587 | struct sk_buff_head skb_queue; | |
588 | struct sk_buff_head skb_queue_unreliable; | |
589 | ||
d0709a65 JB |
590 | /* Station data */ |
591 | /* | |
592 | * The lock only protects the list, hash, timer and counter | |
593 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 594 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
595 | */ |
596 | spinlock_t sta_lock; | |
597 | unsigned long num_sta; | |
f0706e82 | 598 | struct list_head sta_list; |
dc6676b7 JB |
599 | struct list_head sta_flush_list; |
600 | struct work_struct sta_flush_work; | |
f0706e82 JB |
601 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
602 | struct timer_list sta_cleanup; | |
603 | ||
e2530083 | 604 | unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
f8e79ddd | 605 | unsigned long queues_pending_run[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
eefce91a | 606 | struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
607 | struct tasklet_struct tx_pending_tasklet; |
608 | ||
53918994 JB |
609 | /* number of interfaces with corresponding IFF_ flags */ |
610 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
611 | |
612 | struct rate_control_ref *rate_ctrl; | |
613 | ||
f0706e82 | 614 | int rts_threshold; |
f0706e82 | 615 | int fragmentation_threshold; |
f0706e82 JB |
616 | |
617 | struct crypto_blkcipher *wep_tx_tfm; | |
618 | struct crypto_blkcipher *wep_rx_tfm; | |
619 | u32 wep_iv; | |
f0706e82 | 620 | |
79010420 JB |
621 | struct list_head interfaces; |
622 | ||
b16bd15c JB |
623 | /* |
624 | * Key lock, protects sdata's key_list and sta_info's | |
625 | * key pointers (write access, they're RCU.) | |
626 | */ | |
627 | spinlock_t key_lock; | |
628 | ||
629 | ||
c2b13452 JB |
630 | /* Scanning and BSS list */ |
631 | bool sw_scanning, hw_scanning; | |
f0706e82 | 632 | int scan_channel_idx; |
8318d78a JB |
633 | enum ieee80211_band scan_band; |
634 | ||
f0706e82 JB |
635 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
636 | unsigned long last_scan_completed; | |
637 | struct delayed_work scan_work; | |
491775a5 | 638 | struct ieee80211_sub_if_data *scan_sdata; |
c481ec97 | 639 | struct ieee80211_channel *oper_channel, *scan_channel, *csa_channel; |
094d05dc | 640 | enum nl80211_channel_type oper_channel_type; |
f0706e82 JB |
641 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
642 | size_t scan_ssid_len; | |
c2b13452 JB |
643 | struct list_head bss_list; |
644 | struct ieee80211_bss *bss_hash[STA_HASH_SIZE]; | |
645 | spinlock_t bss_lock; | |
f0706e82 JB |
646 | |
647 | /* SNMP counters */ | |
648 | /* dot11CountersTable */ | |
649 | u32 dot11TransmittedFragmentCount; | |
650 | u32 dot11MulticastTransmittedFrameCount; | |
651 | u32 dot11FailedCount; | |
652 | u32 dot11RetryCount; | |
653 | u32 dot11MultipleRetryCount; | |
654 | u32 dot11FrameDuplicateCount; | |
655 | u32 dot11ReceivedFragmentCount; | |
656 | u32 dot11MulticastReceivedFrameCount; | |
657 | u32 dot11TransmittedFrameCount; | |
f0706e82 JB |
658 | |
659 | #ifdef CONFIG_MAC80211_LEDS | |
660 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
661 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
662 | char tx_led_name[32], rx_led_name[32], | |
663 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
664 | #endif |
665 | ||
e9f207f0 JB |
666 | #ifdef CONFIG_MAC80211_DEBUGFS |
667 | struct work_struct sta_debugfs_add; | |
668 | #endif | |
669 | ||
f0706e82 JB |
670 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
671 | /* TX/RX handler statistics */ | |
672 | unsigned int tx_handlers_drop; | |
673 | unsigned int tx_handlers_queued; | |
674 | unsigned int tx_handlers_drop_unencrypted; | |
675 | unsigned int tx_handlers_drop_fragment; | |
676 | unsigned int tx_handlers_drop_wep; | |
677 | unsigned int tx_handlers_drop_not_assoc; | |
678 | unsigned int tx_handlers_drop_unauth_port; | |
679 | unsigned int rx_handlers_drop; | |
680 | unsigned int rx_handlers_queued; | |
681 | unsigned int rx_handlers_drop_nullfunc; | |
682 | unsigned int rx_handlers_drop_defrag; | |
683 | unsigned int rx_handlers_drop_short; | |
684 | unsigned int rx_handlers_drop_passive_scan; | |
685 | unsigned int tx_expand_skb_head; | |
686 | unsigned int tx_expand_skb_head_cloned; | |
687 | unsigned int rx_expand_skb_head; | |
688 | unsigned int rx_expand_skb_head2; | |
689 | unsigned int rx_handlers_fragments; | |
690 | unsigned int tx_status_drop; | |
f0706e82 JB |
691 | #define I802_DEBUG_INC(c) (c)++ |
692 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
693 | #define I802_DEBUG_INC(c) do { } while (0) | |
694 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
695 | ||
696 | ||
f0706e82 JB |
697 | int total_ps_buffered; /* total number of all buffered unicast and |
698 | * multicast packets for power saving stations | |
699 | */ | |
f0706e82 JB |
700 | int wifi_wme_noack_test; |
701 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
520eb820 | 702 | |
e0cb686f | 703 | bool powersave; |
520eb820 KV |
704 | struct work_struct dynamic_ps_enable_work; |
705 | struct work_struct dynamic_ps_disable_work; | |
706 | struct timer_list dynamic_ps_timer; | |
f0706e82 | 707 | |
2bf30fab JB |
708 | int user_power_level; /* in dBm */ |
709 | ||
e9f207f0 JB |
710 | #ifdef CONFIG_MAC80211_DEBUGFS |
711 | struct local_debugfsdentries { | |
4b7679a5 JB |
712 | struct dentry *rcdir; |
713 | struct dentry *rcname; | |
e9f207f0 | 714 | struct dentry *frequency; |
e9f207f0 JB |
715 | struct dentry *rts_threshold; |
716 | struct dentry *fragmentation_threshold; | |
717 | struct dentry *short_retry_limit; | |
718 | struct dentry *long_retry_limit; | |
719 | struct dentry *total_ps_buffered; | |
e9f207f0 | 720 | struct dentry *wep_iv; |
e9f207f0 JB |
721 | struct dentry *statistics; |
722 | struct local_debugfsdentries_statsdentries { | |
723 | struct dentry *transmitted_fragment_count; | |
724 | struct dentry *multicast_transmitted_frame_count; | |
725 | struct dentry *failed_count; | |
726 | struct dentry *retry_count; | |
727 | struct dentry *multiple_retry_count; | |
728 | struct dentry *frame_duplicate_count; | |
729 | struct dentry *received_fragment_count; | |
730 | struct dentry *multicast_received_frame_count; | |
731 | struct dentry *transmitted_frame_count; | |
732 | struct dentry *wep_undecryptable_count; | |
733 | struct dentry *num_scans; | |
734 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS | |
735 | struct dentry *tx_handlers_drop; | |
736 | struct dentry *tx_handlers_queued; | |
737 | struct dentry *tx_handlers_drop_unencrypted; | |
738 | struct dentry *tx_handlers_drop_fragment; | |
739 | struct dentry *tx_handlers_drop_wep; | |
740 | struct dentry *tx_handlers_drop_not_assoc; | |
741 | struct dentry *tx_handlers_drop_unauth_port; | |
742 | struct dentry *rx_handlers_drop; | |
743 | struct dentry *rx_handlers_queued; | |
744 | struct dentry *rx_handlers_drop_nullfunc; | |
745 | struct dentry *rx_handlers_drop_defrag; | |
746 | struct dentry *rx_handlers_drop_short; | |
747 | struct dentry *rx_handlers_drop_passive_scan; | |
748 | struct dentry *tx_expand_skb_head; | |
749 | struct dentry *tx_expand_skb_head_cloned; | |
750 | struct dentry *rx_expand_skb_head; | |
751 | struct dentry *rx_expand_skb_head2; | |
752 | struct dentry *rx_handlers_fragments; | |
753 | struct dentry *tx_status_drop; | |
e9f207f0 JB |
754 | #endif |
755 | struct dentry *dot11ACKFailureCount; | |
756 | struct dentry *dot11RTSFailureCount; | |
757 | struct dentry *dot11FCSErrorCount; | |
758 | struct dentry *dot11RTSSuccessCount; | |
759 | } stats; | |
760 | struct dentry *stations; | |
761 | struct dentry *keys; | |
762 | } debugfs; | |
763 | #endif | |
f0706e82 JB |
764 | }; |
765 | ||
3e122be0 JB |
766 | static inline struct ieee80211_sub_if_data * |
767 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
768 | { | |
769 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
770 | ||
771 | BUG_ON(!local || local->mdev == dev); | |
772 | ||
773 | return netdev_priv(dev); | |
774 | } | |
775 | ||
eadc8d9e RR |
776 | /* this struct represents 802.11n's RA/TID combination */ |
777 | struct ieee80211_ra_tid { | |
778 | u8 ra[ETH_ALEN]; | |
779 | u16 tid; | |
780 | }; | |
781 | ||
ee385855 LCC |
782 | /* Parsed Information Elements */ |
783 | struct ieee802_11_elems { | |
43ac2ca3 JM |
784 | u8 *ie_start; |
785 | size_t total_len; | |
786 | ||
ee385855 LCC |
787 | /* pointers to IEs */ |
788 | u8 *ssid; | |
789 | u8 *supp_rates; | |
790 | u8 *fh_params; | |
791 | u8 *ds_params; | |
792 | u8 *cf_params; | |
793 | u8 *tim; | |
794 | u8 *ibss_params; | |
795 | u8 *challenge; | |
796 | u8 *wpa; | |
797 | u8 *rsn; | |
798 | u8 *erp_info; | |
799 | u8 *ext_supp_rates; | |
800 | u8 *wmm_info; | |
801 | u8 *wmm_param; | |
09914813 | 802 | struct ieee80211_ht_cap *ht_cap_elem; |
d9fe60de | 803 | struct ieee80211_ht_info *ht_info_elem; |
ee385855 LCC |
804 | u8 *mesh_config; |
805 | u8 *mesh_id; | |
806 | u8 *peer_link; | |
807 | u8 *preq; | |
808 | u8 *prep; | |
809 | u8 *perr; | |
f2df3859 AK |
810 | u8 *ch_switch_elem; |
811 | u8 *country_elem; | |
812 | u8 *pwr_constr_elem; | |
813 | u8 *quiet_elem; /* first quite element */ | |
ee385855 LCC |
814 | |
815 | /* length of them, respectively */ | |
816 | u8 ssid_len; | |
817 | u8 supp_rates_len; | |
818 | u8 fh_params_len; | |
819 | u8 ds_params_len; | |
820 | u8 cf_params_len; | |
821 | u8 tim_len; | |
822 | u8 ibss_params_len; | |
823 | u8 challenge_len; | |
824 | u8 wpa_len; | |
825 | u8 rsn_len; | |
826 | u8 erp_info_len; | |
827 | u8 ext_supp_rates_len; | |
828 | u8 wmm_info_len; | |
829 | u8 wmm_param_len; | |
ee385855 LCC |
830 | u8 mesh_config_len; |
831 | u8 mesh_id_len; | |
832 | u8 peer_link_len; | |
833 | u8 preq_len; | |
834 | u8 prep_len; | |
835 | u8 perr_len; | |
f2df3859 AK |
836 | u8 ch_switch_elem_len; |
837 | u8 country_elem_len; | |
838 | u8 pwr_constr_elem_len; | |
839 | u8 quiet_elem_len; | |
840 | u8 num_of_quiet_elem; /* can be more the one */ | |
ee385855 LCC |
841 | }; |
842 | ||
f0706e82 JB |
843 | static inline struct ieee80211_local *hw_to_local( |
844 | struct ieee80211_hw *hw) | |
845 | { | |
846 | return container_of(hw, struct ieee80211_local, hw); | |
847 | } | |
848 | ||
849 | static inline struct ieee80211_hw *local_to_hw( | |
850 | struct ieee80211_local *local) | |
851 | { | |
852 | return &local->hw; | |
853 | } | |
854 | ||
f0706e82 | 855 | |
571ecf67 JB |
856 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
857 | { | |
858 | return compare_ether_addr(raddr, addr) == 0 || | |
859 | is_broadcast_ether_addr(raddr); | |
860 | } | |
861 | ||
862 | ||
e8975581 | 863 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
9d139c81 | 864 | int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed); |
5cf121c3 | 865 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
9c6bd790 JB |
866 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
867 | u32 changed); | |
0d143fe1 | 868 | void ieee80211_configure_filter(struct ieee80211_local *local); |
f0706e82 | 869 | |
9c6bd790 | 870 | /* wireless extensions */ |
f0706e82 | 871 | extern const struct iw_handler_def ieee80211_iw_handler_def; |
65b53e4c | 872 | |
9c6bd790 JB |
873 | /* STA/IBSS code */ |
874 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
c2b13452 | 875 | void ieee80211_scan_work(struct work_struct *work); |
f698d856 | 876 | void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
f0706e82 | 877 | struct ieee80211_rx_status *rx_status); |
f698d856 JBG |
878 | int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); |
879 | int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); | |
880 | int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); | |
f698d856 | 881 | void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata, |
f0706e82 | 882 | struct ieee80211_if_sta *ifsta); |
f698d856 | 883 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, |
ab1f5c0b | 884 | u8 *bssid, u8 *addr, u64 supp_rates); |
f698d856 JBG |
885 | int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason); |
886 | int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason); | |
f698d856 | 887 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
ee385855 LCC |
888 | u64 ieee80211_sta_get_rates(struct ieee80211_local *local, |
889 | struct ieee802_11_elems *elems, | |
890 | enum ieee80211_band band); | |
0a51b27e JB |
891 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
892 | u8 *ssid, size_t ssid_len); | |
9c6bd790 JB |
893 | |
894 | /* scan/BSS handling */ | |
c2b13452 JB |
895 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
896 | u8 *ssid, size_t ssid_len); | |
897 | int ieee80211_scan_results(struct ieee80211_local *local, | |
898 | struct iw_request_info *info, | |
899 | char *buf, size_t len); | |
900 | ieee80211_rx_result | |
901 | ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, | |
902 | struct sk_buff *skb, | |
903 | struct ieee80211_rx_status *rx_status); | |
9c6bd790 JB |
904 | void ieee80211_rx_bss_list_init(struct ieee80211_local *local); |
905 | void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local); | |
c2b13452 JB |
906 | int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, |
907 | char *ie, size_t len); | |
9c6bd790 | 908 | |
0a51b27e | 909 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
c2b13452 JB |
910 | int ieee80211_start_scan(struct ieee80211_sub_if_data *scan_sdata, |
911 | u8 *ssid, size_t ssid_len); | |
912 | struct ieee80211_bss * | |
98c8fccf JB |
913 | ieee80211_bss_info_update(struct ieee80211_local *local, |
914 | struct ieee80211_rx_status *rx_status, | |
915 | struct ieee80211_mgmt *mgmt, | |
916 | size_t len, | |
917 | struct ieee802_11_elems *elems, | |
918 | int freq, bool beacon); | |
c2b13452 | 919 | struct ieee80211_bss * |
5484e237 JB |
920 | ieee80211_rx_bss_add(struct ieee80211_local *local, u8 *bssid, int freq, |
921 | u8 *ssid, u8 ssid_len); | |
c2b13452 | 922 | struct ieee80211_bss * |
5484e237 JB |
923 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, |
924 | u8 *ssid, u8 ssid_len); | |
98c8fccf | 925 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 926 | struct ieee80211_bss *bss); |
ee385855 | 927 | |
3e122be0 JB |
928 | /* interface handling */ |
929 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, | |
05c914fe | 930 | struct net_device **new_dev, enum nl80211_iftype type, |
ee385855 | 931 | struct vif_params *params); |
f3947e2d | 932 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
05c914fe | 933 | enum nl80211_iftype type); |
f698d856 | 934 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 935 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
f0706e82 | 936 | |
e2ebc74d | 937 | /* tx handling */ |
e2ebc74d JB |
938 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
939 | void ieee80211_tx_pending(unsigned long data); | |
940 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
941 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
942 | int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
e2ebc74d | 943 | |
de1ede7a | 944 | /* HT */ |
ae5eb026 JB |
945 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, |
946 | struct ieee80211_ht_cap *ht_cap_ie, | |
d9fe60de | 947 | struct ieee80211_sta_ht_cap *ht_cap); |
ae5eb026 JB |
948 | u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata, |
949 | struct ieee80211_ht_info *hti, | |
950 | u16 ap_ht_cap_flags); | |
de1ede7a JB |
951 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); |
952 | ||
953 | void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da, | |
954 | u16 tid, u16 initiator, u16 reason); | |
955 | void ieee80211_sta_tear_down_BA_sessions(struct ieee80211_sub_if_data *sdata, u8 *addr); | |
956 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, | |
957 | struct sta_info *sta, | |
958 | struct ieee80211_mgmt *mgmt, size_t len); | |
959 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
960 | struct sta_info *sta, | |
961 | struct ieee80211_mgmt *mgmt, | |
962 | size_t len); | |
963 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
964 | struct sta_info *sta, | |
965 | struct ieee80211_mgmt *mgmt, | |
966 | size_t len); | |
967 | ||
39192c0b JB |
968 | /* Spectrum management */ |
969 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
970 | struct ieee80211_mgmt *mgmt, | |
971 | size_t len); | |
c481ec97 S |
972 | void ieee80211_chswitch_timer(unsigned long data); |
973 | void ieee80211_chswitch_work(struct work_struct *work); | |
974 | void ieee80211_process_chanswitch(struct ieee80211_sub_if_data *sdata, | |
975 | struct ieee80211_channel_sw_ie *sw_elem, | |
976 | struct ieee80211_bss *bss); | |
39192c0b | 977 | |
c2d1560a JB |
978 | /* utility functions/constants */ |
979 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
980 | extern const unsigned char rfc1042_header[6]; | |
981 | extern const unsigned char bridge_tunnel_header[6]; | |
71364716 | 982 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
05c914fe | 983 | enum nl80211_iftype type); |
c2d1560a JB |
984 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
985 | int rate, int erp, int short_preamble); | |
f698d856 | 986 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
eb063c17 | 987 | struct ieee80211_hdr *hdr); |
5825fe10 | 988 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); |
e50db65c JB |
989 | void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
990 | int encrypt); | |
9c6bd790 JB |
991 | void ieee802_11_parse_elems(u8 *start, size_t len, |
992 | struct ieee802_11_elems *elems); | |
e16751c3 | 993 | int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq); |
96dd22ac JB |
994 | u64 ieee80211_mandatory_rates(struct ieee80211_local *local, |
995 | enum ieee80211_band band); | |
f0706e82 | 996 | |
520eb820 KV |
997 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
998 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); | |
999 | void ieee80211_dynamic_ps_timer(unsigned long data); | |
a97b77b9 VN |
1000 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
1001 | struct ieee80211_sub_if_data *sdata, | |
1002 | int powersave); | |
520eb820 | 1003 | |
ce7c9111 KV |
1004 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
1005 | enum queue_stop_reason reason); | |
1006 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, | |
1007 | enum queue_stop_reason reason); | |
1008 | ||
f4ea83dd | 1009 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1010 | #define debug_noinline noinline |
1011 | #else | |
1012 | #define debug_noinline | |
1013 | #endif | |
1014 | ||
f0706e82 | 1015 | #endif /* IEEE80211_I_H */ |