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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 | |
765cb46a | 46 | #define IEEE80211_ENCRYPT_TAILROOM 18 |
f0706e82 JB |
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 | ||
20ad19d0 JB |
60 | #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) |
61 | ||
f0706e82 JB |
62 | struct ieee80211_fragment_entry { |
63 | unsigned long first_frag_time; | |
64 | unsigned int seq; | |
65 | unsigned int rx_queue; | |
66 | unsigned int last_frag; | |
67 | unsigned int extra_len; | |
68 | struct sk_buff_head skb_list; | |
69 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
70 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
71 | }; | |
72 | ||
73 | ||
c2b13452 | 74 | struct ieee80211_bss { |
00d3f14c JB |
75 | /* Yes, this is a hack */ |
76 | struct cfg80211_bss cbss; | |
056cdd59 | 77 | |
00d3f14c JB |
78 | /* don't want to look up all the time */ |
79 | size_t ssid_len; | |
f0706e82 | 80 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
00d3f14c | 81 | |
98f7dfd8 | 82 | u8 dtim_period; |
00d3f14c | 83 | |
43ac2ca3 | 84 | bool wmm_used; |
00d3f14c JB |
85 | |
86 | unsigned long last_probe_resp; | |
87 | ||
ee385855 LCC |
88 | #ifdef CONFIG_MAC80211_MESH |
89 | u8 *mesh_id; | |
90 | size_t mesh_id_len; | |
24736701 | 91 | u8 *mesh_cfg; |
902acc78 | 92 | #endif |
00d3f14c | 93 | |
f0706e82 JB |
94 | #define IEEE80211_MAX_SUPP_RATES 32 |
95 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
96 | size_t supp_rates_len; | |
f0706e82 | 97 | |
00d3f14c JB |
98 | /* |
99 | * During assocation, we save an ERP value from a probe response so | |
5628221c DD |
100 | * that we can feed ERP info to the driver when handling the |
101 | * association completes. these fields probably won't be up-to-date | |
00d3f14c JB |
102 | * otherwise, you probably don't want to use them. |
103 | */ | |
104 | bool has_erp_value; | |
5628221c | 105 | u8 erp_value; |
f0706e82 JB |
106 | }; |
107 | ||
c2b13452 | 108 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
902acc78 JB |
109 | { |
110 | #ifdef CONFIG_MAC80211_MESH | |
111 | return bss->mesh_cfg; | |
112 | #endif | |
113 | return NULL; | |
114 | } | |
115 | ||
c2b13452 | 116 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
902acc78 JB |
117 | { |
118 | #ifdef CONFIG_MAC80211_MESH | |
119 | return bss->mesh_id; | |
120 | #endif | |
121 | return NULL; | |
122 | } | |
123 | ||
c2b13452 | 124 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
902acc78 JB |
125 | { |
126 | #ifdef CONFIG_MAC80211_MESH | |
127 | return bss->mesh_id_len; | |
128 | #endif | |
129 | return 0; | |
130 | } | |
131 | ||
f0706e82 | 132 | |
9ae54c84 JB |
133 | typedef unsigned __bitwise__ ieee80211_tx_result; |
134 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
135 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
136 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
137 | ||
5cf121c3 JB |
138 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
139 | #define IEEE80211_TX_UNICAST BIT(1) | |
140 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
5cf121c3 JB |
141 | |
142 | struct ieee80211_tx_data { | |
143 | struct sk_buff *skb; | |
144 | struct net_device *dev; | |
145 | struct ieee80211_local *local; | |
146 | struct ieee80211_sub_if_data *sdata; | |
147 | struct sta_info *sta; | |
5cf121c3 | 148 | struct ieee80211_key *key; |
5cf121c3 | 149 | |
5cf121c3 | 150 | struct ieee80211_channel *channel; |
5cf121c3 JB |
151 | |
152 | /* Extra fragments (in addition to the first fragment | |
153 | * in skb) */ | |
5cf121c3 | 154 | struct sk_buff **extra_frag; |
056cdd59 JB |
155 | int num_extra_frag; |
156 | ||
a4b7d7bd | 157 | u16 ethertype; |
056cdd59 | 158 | unsigned int flags; |
5cf121c3 JB |
159 | }; |
160 | ||
161 | ||
9ae54c84 | 162 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
163 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
164 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
165 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
166 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 167 | |
5cf121c3 | 168 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 169 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
170 | #define IEEE80211_RX_RA_MATCH BIT(1) |
171 | #define IEEE80211_RX_AMSDU BIT(2) | |
172 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) | |
173 | #define IEEE80211_RX_FRAGMENTED BIT(4) | |
174 | ||
175 | struct ieee80211_rx_data { | |
f0706e82 JB |
176 | struct sk_buff *skb; |
177 | struct net_device *dev; | |
178 | struct ieee80211_local *local; | |
179 | struct ieee80211_sub_if_data *sdata; | |
180 | struct sta_info *sta; | |
f0706e82 | 181 | struct ieee80211_key *key; |
5cf121c3 JB |
182 | struct ieee80211_rx_status *status; |
183 | struct ieee80211_rate *rate; | |
056cdd59 | 184 | |
056cdd59 | 185 | unsigned int flags; |
5cf121c3 JB |
186 | int sent_ps_buffered; |
187 | int queue; | |
5cf121c3 JB |
188 | u32 tkip_iv32; |
189 | u16 tkip_iv16; | |
f0706e82 JB |
190 | }; |
191 | ||
f0706e82 | 192 | struct ieee80211_tx_stored_packet { |
f0706e82 | 193 | struct sk_buff *skb; |
f0706e82 | 194 | struct sk_buff **extra_frag; |
056cdd59 | 195 | int num_extra_frag; |
f0706e82 JB |
196 | }; |
197 | ||
5dfdaf58 JB |
198 | struct beacon_data { |
199 | u8 *head, *tail; | |
200 | int head_len, tail_len; | |
201 | int dtim_period; | |
202 | }; | |
203 | ||
f0706e82 | 204 | struct ieee80211_if_ap { |
5dfdaf58 | 205 | struct beacon_data *beacon; |
f0706e82 | 206 | |
0ec3ca44 JB |
207 | struct list_head vlans; |
208 | ||
f0706e82 JB |
209 | /* yes, this looks ugly, but guarantees that we can later use |
210 | * bitmap_empty :) | |
004c872e | 211 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 212 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 213 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 214 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 215 | int dtim_count; |
f0706e82 JB |
216 | }; |
217 | ||
218 | struct ieee80211_if_wds { | |
f0706e82 | 219 | struct sta_info *sta; |
056cdd59 | 220 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
221 | }; |
222 | ||
223 | struct ieee80211_if_vlan { | |
0ec3ca44 | 224 | struct list_head list; |
f0706e82 JB |
225 | }; |
226 | ||
ee385855 LCC |
227 | struct mesh_stats { |
228 | __u32 fwded_frames; /* Mesh forwarded frames */ | |
229 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ | |
230 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
231 | atomic_t estab_plinks; | |
232 | }; | |
233 | ||
234 | #define PREQ_Q_F_START 0x1 | |
235 | #define PREQ_Q_F_REFRESH 0x2 | |
236 | struct mesh_preq_queue { | |
237 | struct list_head list; | |
238 | u8 dst[ETH_ALEN]; | |
239 | u8 flags; | |
240 | }; | |
241 | ||
46900298 | 242 | /* flags used in struct ieee80211_if_managed.flags */ |
d6f2da5b JS |
243 | #define IEEE80211_STA_SSID_SET BIT(0) |
244 | #define IEEE80211_STA_BSSID_SET BIT(1) | |
245 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) | |
246 | #define IEEE80211_STA_AUTHENTICATED BIT(3) | |
247 | #define IEEE80211_STA_ASSOCIATED BIT(4) | |
248 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) | |
249 | #define IEEE80211_STA_CREATE_IBSS BIT(6) | |
250 | #define IEEE80211_STA_MIXED_CELL BIT(7) | |
251 | #define IEEE80211_STA_WMM_ENABLED BIT(8) | |
252 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) | |
253 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) | |
254 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) | |
5b98b1f7 | 255 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
eb46936b | 256 | #define IEEE80211_STA_TKIP_WEP_USED BIT(14) |
c481ec97 | 257 | #define IEEE80211_STA_CSA_RECEIVED BIT(15) |
5394af4d | 258 | #define IEEE80211_STA_MFP_ENABLED BIT(16) |
ccd7b362 | 259 | /* flags for MLME request */ |
48c2fc59 | 260 | #define IEEE80211_STA_REQ_SCAN 0 |
9859b81e RR |
261 | #define IEEE80211_STA_REQ_DIRECT_PROBE 1 |
262 | #define IEEE80211_STA_REQ_AUTH 2 | |
263 | #define IEEE80211_STA_REQ_RUN 3 | |
48c2fc59 | 264 | |
48c2fc59 TW |
265 | /* bitfield of allowed auth algs */ |
266 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) | |
267 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) | |
268 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) | |
269 | ||
46900298 | 270 | struct ieee80211_if_managed { |
056cdd59 | 271 | struct timer_list timer; |
c481ec97 | 272 | struct timer_list chswitch_timer; |
056cdd59 | 273 | struct work_struct work; |
c481ec97 | 274 | struct work_struct chswitch_work; |
46900298 | 275 | |
056cdd59 | 276 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; |
46900298 | 277 | |
056cdd59 | 278 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
f0706e82 | 279 | size_t ssid_len; |
46900298 JB |
280 | |
281 | enum { | |
282 | IEEE80211_STA_MLME_DISABLED, | |
283 | IEEE80211_STA_MLME_DIRECT_PROBE, | |
284 | IEEE80211_STA_MLME_AUTHENTICATE, | |
285 | IEEE80211_STA_MLME_ASSOCIATE, | |
286 | IEEE80211_STA_MLME_ASSOCIATED, | |
287 | } state; | |
288 | ||
f0706e82 JB |
289 | u16 aid; |
290 | u16 ap_capab, capab; | |
291 | u8 *extra_ie; /* to be added to the end of AssocReq */ | |
292 | size_t extra_ie_len; | |
293 | ||
294 | /* The last AssocReq/Resp IEs */ | |
295 | u8 *assocreq_ies, *assocresp_ies; | |
296 | size_t assocreq_ies_len, assocresp_ies_len; | |
297 | ||
056cdd59 JB |
298 | struct sk_buff_head skb_queue; |
299 | ||
6042a3e3 | 300 | int assoc_scan_tries; /* number of scans done pre-association */ |
9859b81e | 301 | int direct_probe_tries; /* retries for direct probes */ |
6042a3e3 RR |
302 | int auth_tries; /* retries for auth req */ |
303 | int assoc_tries; /* retries for assoc req */ | |
f0706e82 | 304 | |
056cdd59 JB |
305 | unsigned long request; |
306 | ||
307 | unsigned long last_probe; | |
308 | ||
d6f2da5b | 309 | unsigned int flags; |
f0706e82 | 310 | |
f0706e82 JB |
311 | unsigned int auth_algs; /* bitfield of allowed auth algs */ |
312 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ | |
313 | int auth_transaction; | |
314 | ||
fdfacf0a JM |
315 | enum { |
316 | IEEE80211_MFP_DISABLED, | |
317 | IEEE80211_MFP_OPTIONAL, | |
318 | IEEE80211_MFP_REQUIRED | |
319 | } mfp; /* management frame protection */ | |
320 | ||
f0706e82 | 321 | int wmm_last_param_set; |
9aed3cc1 JM |
322 | |
323 | /* Extra IE data for management frames */ | |
324 | u8 *ie_probereq; | |
325 | size_t ie_probereq_len; | |
326 | u8 *ie_proberesp; | |
327 | size_t ie_proberesp_len; | |
328 | u8 *ie_auth; | |
329 | size_t ie_auth_len; | |
330 | u8 *ie_assocreq; | |
331 | size_t ie_assocreq_len; | |
332 | u8 *ie_reassocreq; | |
333 | size_t ie_reassocreq_len; | |
334 | u8 *ie_deauth; | |
335 | size_t ie_deauth_len; | |
336 | u8 *ie_disassoc; | |
337 | size_t ie_disassoc_len; | |
f0706e82 JB |
338 | }; |
339 | ||
46900298 JB |
340 | enum ieee80211_ibss_flags { |
341 | IEEE80211_IBSS_AUTO_CHANNEL_SEL = BIT(0), | |
342 | IEEE80211_IBSS_AUTO_BSSID_SEL = BIT(1), | |
343 | IEEE80211_IBSS_BSSID_SET = BIT(2), | |
344 | IEEE80211_IBSS_PREV_BSSID_SET = BIT(3), | |
345 | IEEE80211_IBSS_SSID_SET = BIT(4), | |
346 | }; | |
347 | ||
348 | enum ieee80211_ibss_request { | |
349 | IEEE80211_IBSS_REQ_RUN = 0, | |
350 | }; | |
351 | ||
352 | struct ieee80211_if_ibss { | |
353 | struct timer_list timer; | |
354 | struct work_struct work; | |
355 | ||
356 | struct sk_buff_head skb_queue; | |
357 | ||
358 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
359 | u8 ssid_len; | |
360 | ||
361 | u32 flags; | |
362 | ||
363 | u8 bssid[ETH_ALEN]; | |
364 | ||
365 | unsigned long request; | |
366 | ||
367 | unsigned long ibss_join_req; | |
368 | struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ | |
369 | ||
370 | enum { | |
371 | IEEE80211_IBSS_MLME_SEARCH, | |
372 | IEEE80211_IBSS_MLME_JOINED, | |
373 | } state; | |
374 | }; | |
375 | ||
472dbc45 JB |
376 | struct ieee80211_if_mesh { |
377 | struct work_struct work; | |
378 | struct timer_list housekeeping_timer; | |
379 | struct timer_list mesh_path_timer; | |
380 | struct sk_buff_head skb_queue; | |
381 | ||
382 | bool housekeeping; | |
383 | ||
384 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
385 | size_t mesh_id_len; | |
386 | /* Active Path Selection Protocol Identifier */ | |
387 | u8 mesh_pp_id[4]; | |
388 | /* Active Path Selection Metric Identifier */ | |
389 | u8 mesh_pm_id[4]; | |
390 | /* Congestion Control Mode Identifier */ | |
391 | u8 mesh_cc_id[4]; | |
392 | /* Local mesh Destination Sequence Number */ | |
393 | u32 dsn; | |
394 | /* Last used PREQ ID */ | |
395 | u32 preq_id; | |
396 | atomic_t mpaths; | |
397 | /* Timestamp of last DSN update */ | |
398 | unsigned long last_dsn_update; | |
399 | /* Timestamp of last DSN sent */ | |
400 | unsigned long last_preq; | |
401 | struct mesh_rmc *rmc; | |
402 | spinlock_t mesh_preq_queue_lock; | |
403 | struct mesh_preq_queue preq_queue; | |
404 | int preq_queue_len; | |
405 | struct mesh_stats mshstats; | |
406 | struct mesh_config mshcfg; | |
407 | u32 mesh_seqnum; | |
408 | bool accepting_plinks; | |
472dbc45 | 409 | }; |
902acc78 JB |
410 | |
411 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
412 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
413 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 414 | #else |
472dbc45 | 415 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
416 | do { } while (0) |
417 | #endif | |
f0706e82 | 418 | |
213cd118 JB |
419 | /** |
420 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
421 | * | |
422 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
423 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
424 | * @IEEE80211_SDATA_USERSPACE_MLME: userspace MLME is active | |
425 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode | |
426 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
427 | * associated stations and deliver multicast frames both | |
428 | * back to wireless media and to the local net stack. | |
429 | */ | |
430 | enum ieee80211_sub_if_data_flags { | |
431 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
432 | IEEE80211_SDATA_PROMISC = BIT(1), | |
433 | IEEE80211_SDATA_USERSPACE_MLME = BIT(2), | |
434 | IEEE80211_SDATA_OPERATING_GMODE = BIT(3), | |
435 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(4), | |
436 | }; | |
437 | ||
f0706e82 JB |
438 | struct ieee80211_sub_if_data { |
439 | struct list_head list; | |
f0706e82 JB |
440 | |
441 | struct wireless_dev wdev; | |
442 | ||
11a843b7 JB |
443 | /* keys */ |
444 | struct list_head key_list; | |
445 | ||
f0706e82 JB |
446 | struct net_device *dev; |
447 | struct ieee80211_local *local; | |
448 | ||
13262ffd | 449 | unsigned int flags; |
7e9ed188 | 450 | |
f0706e82 | 451 | int drop_unencrypted; |
f0706e82 | 452 | |
f0706e82 JB |
453 | /* Fragment table for host-based reassembly */ |
454 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
455 | unsigned int fragment_next; | |
456 | ||
457 | #define NUM_DEFAULT_KEYS 4 | |
3cfcf6ac JM |
458 | #define NUM_DEFAULT_MGMT_KEYS 2 |
459 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; | |
f0706e82 | 460 | struct ieee80211_key *default_key; |
3cfcf6ac | 461 | struct ieee80211_key *default_mgmt_key; |
f0706e82 | 462 | |
94778280 JB |
463 | u16 sequence_number; |
464 | ||
471b3efd | 465 | /* |
3e122be0 JB |
466 | * AP this belongs to: self in AP mode and |
467 | * corresponding AP in VLAN mode, NULL for | |
468 | * all others (might be needed later in IBSS) | |
471b3efd | 469 | */ |
3e122be0 JB |
470 | struct ieee80211_if_ap *bss; |
471 | ||
472 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ | |
473 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ | |
f0706e82 JB |
474 | |
475 | union { | |
476 | struct ieee80211_if_ap ap; | |
477 | struct ieee80211_if_wds wds; | |
478 | struct ieee80211_if_vlan vlan; | |
46900298 JB |
479 | struct ieee80211_if_managed mgd; |
480 | struct ieee80211_if_ibss ibss; | |
472dbc45 JB |
481 | #ifdef CONFIG_MAC80211_MESH |
482 | struct ieee80211_if_mesh mesh; | |
483 | #endif | |
8cc9a739 | 484 | u32 mntr_flags; |
f0706e82 | 485 | } u; |
e9f207f0 JB |
486 | |
487 | #ifdef CONFIG_MAC80211_DEBUGFS | |
488 | struct dentry *debugfsdir; | |
489 | union { | |
490 | struct { | |
e9f207f0 | 491 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
492 | struct dentry *state; |
493 | struct dentry *bssid; | |
494 | struct dentry *prev_bssid; | |
495 | struct dentry *ssid_len; | |
496 | struct dentry *aid; | |
497 | struct dentry *ap_capab; | |
498 | struct dentry *capab; | |
499 | struct dentry *extra_ie_len; | |
500 | struct dentry *auth_tries; | |
501 | struct dentry *assoc_tries; | |
502 | struct dentry *auth_algs; | |
503 | struct dentry *auth_alg; | |
504 | struct dentry *auth_transaction; | |
505 | struct dentry *flags; | |
93015f0f JM |
506 | struct dentry *force_unicast_rateidx; |
507 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
508 | } sta; |
509 | struct { | |
e9f207f0 | 510 | struct dentry *drop_unencrypted; |
e9f207f0 | 511 | struct dentry *num_sta_ps; |
e9f207f0 | 512 | struct dentry *dtim_count; |
e9f207f0 JB |
513 | struct dentry *force_unicast_rateidx; |
514 | struct dentry *max_ratectrl_rateidx; | |
515 | struct dentry *num_buffered_multicast; | |
e9f207f0 JB |
516 | } ap; |
517 | struct { | |
e9f207f0 | 518 | struct dentry *drop_unencrypted; |
e9f207f0 | 519 | struct dentry *peer; |
93015f0f JM |
520 | struct dentry *force_unicast_rateidx; |
521 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
522 | } wds; |
523 | struct { | |
e9f207f0 | 524 | struct dentry *drop_unencrypted; |
93015f0f JM |
525 | struct dentry *force_unicast_rateidx; |
526 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
527 | } vlan; |
528 | struct { | |
529 | struct dentry *mode; | |
530 | } monitor; | |
e9f207f0 | 531 | } debugfs; |
2b58b209 JM |
532 | struct { |
533 | struct dentry *default_key; | |
3cfcf6ac | 534 | struct dentry *default_mgmt_key; |
2b58b209 | 535 | } common_debugfs; |
ee385855 LCC |
536 | |
537 | #ifdef CONFIG_MAC80211_MESH | |
538 | struct dentry *mesh_stats_dir; | |
539 | struct { | |
540 | struct dentry *fwded_frames; | |
541 | struct dentry *dropped_frames_ttl; | |
542 | struct dentry *dropped_frames_no_route; | |
543 | struct dentry *estab_plinks; | |
902acc78 | 544 | struct timer_list mesh_path_timer; |
ee385855 LCC |
545 | } mesh_stats; |
546 | ||
547 | struct dentry *mesh_config_dir; | |
548 | struct { | |
549 | struct dentry *dot11MeshRetryTimeout; | |
550 | struct dentry *dot11MeshConfirmTimeout; | |
551 | struct dentry *dot11MeshHoldingTimeout; | |
552 | struct dentry *dot11MeshMaxRetries; | |
553 | struct dentry *dot11MeshTTL; | |
554 | struct dentry *auto_open_plinks; | |
555 | struct dentry *dot11MeshMaxPeerLinks; | |
556 | struct dentry *dot11MeshHWMPactivePathTimeout; | |
557 | struct dentry *dot11MeshHWMPpreqMinInterval; | |
558 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; | |
559 | struct dentry *dot11MeshHWMPmaxPREQretries; | |
560 | struct dentry *path_refresh_time; | |
561 | struct dentry *min_discovery_timeout; | |
562 | } mesh_config; | |
563 | #endif | |
564 | ||
e9f207f0 | 565 | #endif |
32bfd35d JB |
566 | /* must be last, dynamically sized area in this! */ |
567 | struct ieee80211_vif vif; | |
f0706e82 JB |
568 | }; |
569 | ||
32bfd35d JB |
570 | static inline |
571 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
572 | { | |
573 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
574 | } | |
575 | ||
472dbc45 JB |
576 | static inline void |
577 | ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, | |
578 | u8 mesh_id_len, u8 *mesh_id) | |
579 | { | |
580 | #ifdef CONFIG_MAC80211_MESH | |
581 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
582 | ifmsh->mesh_id_len = mesh_id_len; | |
583 | memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); | |
584 | #else | |
585 | WARN_ON(1); | |
586 | #endif | |
587 | } | |
588 | ||
f0706e82 JB |
589 | enum { |
590 | IEEE80211_RX_MSG = 1, | |
591 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
592 | IEEE80211_DELBA_MSG = 3, |
593 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
594 | }; |
595 | ||
ce7c9111 KV |
596 | enum queue_stop_reason { |
597 | IEEE80211_QUEUE_STOP_REASON_DRIVER, | |
520eb820 | 598 | IEEE80211_QUEUE_STOP_REASON_PS, |
96f5e66e JB |
599 | IEEE80211_QUEUE_STOP_REASON_CSA, |
600 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, | |
ce7c9111 KV |
601 | }; |
602 | ||
133b8226 JB |
603 | struct ieee80211_master_priv { |
604 | struct ieee80211_local *local; | |
605 | }; | |
606 | ||
f0706e82 JB |
607 | struct ieee80211_local { |
608 | /* embed the driver visible part. | |
609 | * don't cast (use the static inlines below), but we keep | |
610 | * it first anyway so they become a no-op */ | |
611 | struct ieee80211_hw hw; | |
612 | ||
613 | const struct ieee80211_ops *ops; | |
614 | ||
96f5e66e JB |
615 | /* AC queue corresponding to each AMPDU queue */ |
616 | s8 ampdu_ac_queue[IEEE80211_MAX_AMPDU_QUEUES]; | |
617 | unsigned int amdpu_ac_stop_refcnt[IEEE80211_MAX_AMPDU_QUEUES]; | |
618 | ||
619 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES + | |
620 | IEEE80211_MAX_AMPDU_QUEUES]; | |
621 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ | |
ce7c9111 | 622 | spinlock_t queue_stop_reason_lock; |
96f5e66e | 623 | |
f0706e82 | 624 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
f0706e82 | 625 | int open_count; |
3d30d949 | 626 | int monitors, cooked_mntrs; |
8cc9a739 MW |
627 | /* number of interfaces with corresponding FIF_ flags */ |
628 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; | |
4150c572 | 629 | unsigned int filter_flags; /* FIF_* */ |
f0706e82 | 630 | struct iw_statistics wstats; |
d0709a65 | 631 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
b306f453 | 632 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 633 | |
f0706e82 JB |
634 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
635 | * added to skb_queue will be processed, but frames in | |
636 | * skb_queue_unreliable may be dropped if the total length of these | |
637 | * queues increases over the limit. */ | |
638 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
639 | struct tasklet_struct tasklet; | |
640 | struct sk_buff_head skb_queue; | |
641 | struct sk_buff_head skb_queue_unreliable; | |
642 | ||
d0709a65 JB |
643 | /* Station data */ |
644 | /* | |
645 | * The lock only protects the list, hash, timer and counter | |
646 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 647 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
648 | */ |
649 | spinlock_t sta_lock; | |
650 | unsigned long num_sta; | |
f0706e82 | 651 | struct list_head sta_list; |
dc6676b7 JB |
652 | struct list_head sta_flush_list; |
653 | struct work_struct sta_flush_work; | |
f0706e82 JB |
654 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
655 | struct timer_list sta_cleanup; | |
656 | ||
e2530083 | 657 | unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
f8e79ddd | 658 | unsigned long queues_pending_run[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
eefce91a | 659 | struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
660 | struct tasklet_struct tx_pending_tasklet; |
661 | ||
53918994 JB |
662 | /* number of interfaces with corresponding IFF_ flags */ |
663 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
664 | |
665 | struct rate_control_ref *rate_ctrl; | |
666 | ||
f0706e82 | 667 | int rts_threshold; |
f0706e82 | 668 | int fragmentation_threshold; |
f0706e82 JB |
669 | |
670 | struct crypto_blkcipher *wep_tx_tfm; | |
671 | struct crypto_blkcipher *wep_rx_tfm; | |
672 | u32 wep_iv; | |
f0706e82 | 673 | |
c771c9d8 | 674 | /* see iface.c */ |
79010420 | 675 | struct list_head interfaces; |
c771c9d8 | 676 | struct mutex iflist_mtx; |
79010420 | 677 | |
b16bd15c JB |
678 | /* |
679 | * Key lock, protects sdata's key_list and sta_info's | |
680 | * key pointers (write access, they're RCU.) | |
681 | */ | |
682 | spinlock_t key_lock; | |
683 | ||
684 | ||
c2b13452 JB |
685 | /* Scanning and BSS list */ |
686 | bool sw_scanning, hw_scanning; | |
2a519311 JB |
687 | struct cfg80211_ssid scan_ssid; |
688 | struct cfg80211_scan_request int_scan_req; | |
689 | struct cfg80211_scan_request *scan_req; | |
690 | struct ieee80211_channel *scan_channel; | |
f0706e82 | 691 | int scan_channel_idx; |
8318d78a | 692 | |
f0706e82 JB |
693 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
694 | unsigned long last_scan_completed; | |
695 | struct delayed_work scan_work; | |
491775a5 | 696 | struct ieee80211_sub_if_data *scan_sdata; |
094d05dc | 697 | enum nl80211_channel_type oper_channel_type; |
2a519311 | 698 | struct ieee80211_channel *oper_channel, *csa_channel; |
f0706e82 JB |
699 | |
700 | /* SNMP counters */ | |
701 | /* dot11CountersTable */ | |
702 | u32 dot11TransmittedFragmentCount; | |
703 | u32 dot11MulticastTransmittedFrameCount; | |
704 | u32 dot11FailedCount; | |
705 | u32 dot11RetryCount; | |
706 | u32 dot11MultipleRetryCount; | |
707 | u32 dot11FrameDuplicateCount; | |
708 | u32 dot11ReceivedFragmentCount; | |
709 | u32 dot11MulticastReceivedFrameCount; | |
710 | u32 dot11TransmittedFrameCount; | |
f0706e82 JB |
711 | |
712 | #ifdef CONFIG_MAC80211_LEDS | |
713 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
714 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
715 | char tx_led_name[32], rx_led_name[32], | |
716 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
717 | #endif |
718 | ||
e9f207f0 JB |
719 | #ifdef CONFIG_MAC80211_DEBUGFS |
720 | struct work_struct sta_debugfs_add; | |
721 | #endif | |
722 | ||
f0706e82 JB |
723 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
724 | /* TX/RX handler statistics */ | |
725 | unsigned int tx_handlers_drop; | |
726 | unsigned int tx_handlers_queued; | |
727 | unsigned int tx_handlers_drop_unencrypted; | |
728 | unsigned int tx_handlers_drop_fragment; | |
729 | unsigned int tx_handlers_drop_wep; | |
730 | unsigned int tx_handlers_drop_not_assoc; | |
731 | unsigned int tx_handlers_drop_unauth_port; | |
732 | unsigned int rx_handlers_drop; | |
733 | unsigned int rx_handlers_queued; | |
734 | unsigned int rx_handlers_drop_nullfunc; | |
735 | unsigned int rx_handlers_drop_defrag; | |
736 | unsigned int rx_handlers_drop_short; | |
737 | unsigned int rx_handlers_drop_passive_scan; | |
738 | unsigned int tx_expand_skb_head; | |
739 | unsigned int tx_expand_skb_head_cloned; | |
740 | unsigned int rx_expand_skb_head; | |
741 | unsigned int rx_expand_skb_head2; | |
742 | unsigned int rx_handlers_fragments; | |
743 | unsigned int tx_status_drop; | |
f0706e82 JB |
744 | #define I802_DEBUG_INC(c) (c)++ |
745 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
746 | #define I802_DEBUG_INC(c) do { } while (0) | |
747 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
748 | ||
749 | ||
f0706e82 JB |
750 | int total_ps_buffered; /* total number of all buffered unicast and |
751 | * multicast packets for power saving stations | |
752 | */ | |
f0706e82 JB |
753 | int wifi_wme_noack_test; |
754 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
520eb820 | 755 | |
e0cb686f | 756 | bool powersave; |
572e0012 | 757 | bool pspolling; |
520eb820 KV |
758 | struct work_struct dynamic_ps_enable_work; |
759 | struct work_struct dynamic_ps_disable_work; | |
760 | struct timer_list dynamic_ps_timer; | |
f0706e82 | 761 | |
2bf30fab | 762 | int user_power_level; /* in dBm */ |
a8302de9 | 763 | int power_constr_level; /* in dBm */ |
2bf30fab | 764 | |
e9f207f0 JB |
765 | #ifdef CONFIG_MAC80211_DEBUGFS |
766 | struct local_debugfsdentries { | |
4b7679a5 JB |
767 | struct dentry *rcdir; |
768 | struct dentry *rcname; | |
e9f207f0 | 769 | struct dentry *frequency; |
e9f207f0 JB |
770 | struct dentry *rts_threshold; |
771 | struct dentry *fragmentation_threshold; | |
772 | struct dentry *short_retry_limit; | |
773 | struct dentry *long_retry_limit; | |
774 | struct dentry *total_ps_buffered; | |
e9f207f0 | 775 | struct dentry *wep_iv; |
ae54c985 | 776 | struct dentry *tsf; |
e9f207f0 JB |
777 | struct dentry *statistics; |
778 | struct local_debugfsdentries_statsdentries { | |
779 | struct dentry *transmitted_fragment_count; | |
780 | struct dentry *multicast_transmitted_frame_count; | |
781 | struct dentry *failed_count; | |
782 | struct dentry *retry_count; | |
783 | struct dentry *multiple_retry_count; | |
784 | struct dentry *frame_duplicate_count; | |
785 | struct dentry *received_fragment_count; | |
786 | struct dentry *multicast_received_frame_count; | |
787 | struct dentry *transmitted_frame_count; | |
788 | struct dentry *wep_undecryptable_count; | |
789 | struct dentry *num_scans; | |
790 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS | |
791 | struct dentry *tx_handlers_drop; | |
792 | struct dentry *tx_handlers_queued; | |
793 | struct dentry *tx_handlers_drop_unencrypted; | |
794 | struct dentry *tx_handlers_drop_fragment; | |
795 | struct dentry *tx_handlers_drop_wep; | |
796 | struct dentry *tx_handlers_drop_not_assoc; | |
797 | struct dentry *tx_handlers_drop_unauth_port; | |
798 | struct dentry *rx_handlers_drop; | |
799 | struct dentry *rx_handlers_queued; | |
800 | struct dentry *rx_handlers_drop_nullfunc; | |
801 | struct dentry *rx_handlers_drop_defrag; | |
802 | struct dentry *rx_handlers_drop_short; | |
803 | struct dentry *rx_handlers_drop_passive_scan; | |
804 | struct dentry *tx_expand_skb_head; | |
805 | struct dentry *tx_expand_skb_head_cloned; | |
806 | struct dentry *rx_expand_skb_head; | |
807 | struct dentry *rx_expand_skb_head2; | |
808 | struct dentry *rx_handlers_fragments; | |
809 | struct dentry *tx_status_drop; | |
e9f207f0 JB |
810 | #endif |
811 | struct dentry *dot11ACKFailureCount; | |
812 | struct dentry *dot11RTSFailureCount; | |
813 | struct dentry *dot11FCSErrorCount; | |
814 | struct dentry *dot11RTSSuccessCount; | |
815 | } stats; | |
816 | struct dentry *stations; | |
817 | struct dentry *keys; | |
818 | } debugfs; | |
819 | #endif | |
f0706e82 JB |
820 | }; |
821 | ||
3e122be0 JB |
822 | static inline struct ieee80211_sub_if_data * |
823 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
824 | { | |
825 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
826 | ||
827 | BUG_ON(!local || local->mdev == dev); | |
828 | ||
829 | return netdev_priv(dev); | |
830 | } | |
831 | ||
eadc8d9e RR |
832 | /* this struct represents 802.11n's RA/TID combination */ |
833 | struct ieee80211_ra_tid { | |
834 | u8 ra[ETH_ALEN]; | |
835 | u16 tid; | |
836 | }; | |
837 | ||
ee385855 LCC |
838 | /* Parsed Information Elements */ |
839 | struct ieee802_11_elems { | |
43ac2ca3 JM |
840 | u8 *ie_start; |
841 | size_t total_len; | |
842 | ||
ee385855 LCC |
843 | /* pointers to IEs */ |
844 | u8 *ssid; | |
845 | u8 *supp_rates; | |
846 | u8 *fh_params; | |
847 | u8 *ds_params; | |
848 | u8 *cf_params; | |
849 | u8 *tim; | |
850 | u8 *ibss_params; | |
851 | u8 *challenge; | |
852 | u8 *wpa; | |
853 | u8 *rsn; | |
854 | u8 *erp_info; | |
855 | u8 *ext_supp_rates; | |
856 | u8 *wmm_info; | |
857 | u8 *wmm_param; | |
09914813 | 858 | struct ieee80211_ht_cap *ht_cap_elem; |
d9fe60de | 859 | struct ieee80211_ht_info *ht_info_elem; |
ee385855 LCC |
860 | u8 *mesh_config; |
861 | u8 *mesh_id; | |
862 | u8 *peer_link; | |
863 | u8 *preq; | |
864 | u8 *prep; | |
865 | u8 *perr; | |
f2df3859 AK |
866 | u8 *ch_switch_elem; |
867 | u8 *country_elem; | |
868 | u8 *pwr_constr_elem; | |
869 | u8 *quiet_elem; /* first quite element */ | |
f797eb7e | 870 | u8 *timeout_int; |
ee385855 LCC |
871 | |
872 | /* length of them, respectively */ | |
873 | u8 ssid_len; | |
874 | u8 supp_rates_len; | |
875 | u8 fh_params_len; | |
876 | u8 ds_params_len; | |
877 | u8 cf_params_len; | |
878 | u8 tim_len; | |
879 | u8 ibss_params_len; | |
880 | u8 challenge_len; | |
881 | u8 wpa_len; | |
882 | u8 rsn_len; | |
883 | u8 erp_info_len; | |
884 | u8 ext_supp_rates_len; | |
885 | u8 wmm_info_len; | |
886 | u8 wmm_param_len; | |
ee385855 LCC |
887 | u8 mesh_config_len; |
888 | u8 mesh_id_len; | |
889 | u8 peer_link_len; | |
890 | u8 preq_len; | |
891 | u8 prep_len; | |
892 | u8 perr_len; | |
f2df3859 AK |
893 | u8 ch_switch_elem_len; |
894 | u8 country_elem_len; | |
895 | u8 pwr_constr_elem_len; | |
896 | u8 quiet_elem_len; | |
897 | u8 num_of_quiet_elem; /* can be more the one */ | |
f797eb7e | 898 | u8 timeout_int_len; |
ee385855 LCC |
899 | }; |
900 | ||
f0706e82 JB |
901 | static inline struct ieee80211_local *hw_to_local( |
902 | struct ieee80211_hw *hw) | |
903 | { | |
904 | return container_of(hw, struct ieee80211_local, hw); | |
905 | } | |
906 | ||
907 | static inline struct ieee80211_hw *local_to_hw( | |
908 | struct ieee80211_local *local) | |
909 | { | |
910 | return &local->hw; | |
911 | } | |
912 | ||
f0706e82 | 913 | |
571ecf67 JB |
914 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
915 | { | |
916 | return compare_ether_addr(raddr, addr) == 0 || | |
917 | is_broadcast_ether_addr(raddr); | |
918 | } | |
919 | ||
920 | ||
e8975581 | 921 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
9d139c81 | 922 | int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed); |
5cf121c3 | 923 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
9c6bd790 JB |
924 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
925 | u32 changed); | |
0d143fe1 | 926 | void ieee80211_configure_filter(struct ieee80211_local *local); |
46900298 | 927 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
f0706e82 | 928 | |
9c6bd790 | 929 | /* wireless extensions */ |
f0706e82 | 930 | extern const struct iw_handler_def ieee80211_iw_handler_def; |
65b53e4c | 931 | |
46900298 | 932 | /* STA code */ |
9c6bd790 | 933 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
46900298 JB |
934 | ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, |
935 | struct sk_buff *skb, | |
936 | struct ieee80211_rx_status *rx_status); | |
f698d856 JBG |
937 | int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); |
938 | int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); | |
939 | int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); | |
46900298 | 940 | void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata); |
f698d856 JBG |
941 | int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason); |
942 | int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason); | |
572e0012 KV |
943 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
944 | struct ieee80211_sub_if_data *sdata); | |
9c6bd790 | 945 | |
46900298 JB |
946 | /* IBSS code */ |
947 | int ieee80211_ibss_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); | |
948 | int ieee80211_ibss_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); | |
949 | int ieee80211_ibss_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); | |
950 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); | |
951 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
952 | ieee80211_rx_result | |
953 | ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, | |
954 | struct ieee80211_rx_status *rx_status); | |
955 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, | |
956 | u8 *bssid, u8 *addr, u32 supp_rates); | |
957 | ||
9c6bd790 | 958 | /* scan/BSS handling */ |
46900298 | 959 | void ieee80211_scan_work(struct work_struct *work); |
c2b13452 | 960 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
2a519311 | 961 | struct cfg80211_scan_request *req); |
c2b13452 JB |
962 | int ieee80211_scan_results(struct ieee80211_local *local, |
963 | struct iw_request_info *info, | |
964 | char *buf, size_t len); | |
965 | ieee80211_rx_result | |
966 | ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, | |
967 | struct sk_buff *skb, | |
968 | struct ieee80211_rx_status *rx_status); | |
c2b13452 JB |
969 | int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, |
970 | char *ie, size_t len); | |
9c6bd790 | 971 | |
0a51b27e | 972 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
c2b13452 | 973 | int ieee80211_start_scan(struct ieee80211_sub_if_data *scan_sdata, |
2a519311 | 974 | struct cfg80211_scan_request *req); |
c2b13452 | 975 | struct ieee80211_bss * |
98c8fccf JB |
976 | ieee80211_bss_info_update(struct ieee80211_local *local, |
977 | struct ieee80211_rx_status *rx_status, | |
978 | struct ieee80211_mgmt *mgmt, | |
979 | size_t len, | |
980 | struct ieee802_11_elems *elems, | |
2a519311 JB |
981 | struct ieee80211_channel *channel, |
982 | bool beacon); | |
c2b13452 | 983 | struct ieee80211_bss * |
5484e237 JB |
984 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, |
985 | u8 *ssid, u8 ssid_len); | |
98c8fccf | 986 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 987 | struct ieee80211_bss *bss); |
7a947080 VT |
988 | void ieee80211_rx_bss_remove(struct ieee80211_sub_if_data *sdata, u8 *bssid, |
989 | int freq, u8 *ssid, u8 ssid_len); | |
ee385855 | 990 | |
3e122be0 JB |
991 | /* interface handling */ |
992 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, | |
05c914fe | 993 | struct net_device **new_dev, enum nl80211_iftype type, |
ee385855 | 994 | struct vif_params *params); |
f3947e2d | 995 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
05c914fe | 996 | enum nl80211_iftype type); |
f698d856 | 997 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 998 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
f0706e82 | 999 | |
e2ebc74d | 1000 | /* tx handling */ |
e2ebc74d JB |
1001 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
1002 | void ieee80211_tx_pending(unsigned long data); | |
1003 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
1004 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
1005 | int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
e2ebc74d | 1006 | |
de1ede7a | 1007 | /* HT */ |
ae5eb026 JB |
1008 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, |
1009 | struct ieee80211_ht_cap *ht_cap_ie, | |
d9fe60de | 1010 | struct ieee80211_sta_ht_cap *ht_cap); |
ae5eb026 JB |
1011 | u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata, |
1012 | struct ieee80211_ht_info *hti, | |
1013 | u16 ap_ht_cap_flags); | |
de1ede7a | 1014 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); |
b8695a8f JB |
1015 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
1016 | const u8 *da, u16 tid, | |
1017 | u16 initiator, u16 reason_code); | |
de1ede7a JB |
1018 | |
1019 | void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da, | |
1020 | u16 tid, u16 initiator, u16 reason); | |
849b7967 JB |
1021 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
1022 | u16 initiator, u16 reason); | |
2dace10e | 1023 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta); |
de1ede7a JB |
1024 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
1025 | struct sta_info *sta, | |
1026 | struct ieee80211_mgmt *mgmt, size_t len); | |
1027 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
1028 | struct sta_info *sta, | |
1029 | struct ieee80211_mgmt *mgmt, | |
1030 | size_t len); | |
1031 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
1032 | struct sta_info *sta, | |
1033 | struct ieee80211_mgmt *mgmt, | |
1034 | size_t len); | |
1035 | ||
849b7967 JB |
1036 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
1037 | enum ieee80211_back_parties initiator); | |
1038 | ||
39192c0b JB |
1039 | /* Spectrum management */ |
1040 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
1041 | struct ieee80211_mgmt *mgmt, | |
1042 | size_t len); | |
c481ec97 S |
1043 | void ieee80211_chswitch_timer(unsigned long data); |
1044 | void ieee80211_chswitch_work(struct work_struct *work); | |
1045 | void ieee80211_process_chanswitch(struct ieee80211_sub_if_data *sdata, | |
1046 | struct ieee80211_channel_sw_ie *sw_elem, | |
1047 | struct ieee80211_bss *bss); | |
a8302de9 VT |
1048 | void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata, |
1049 | u16 capab_info, u8 *pwr_constr_elem, | |
1050 | u8 pwr_constr_elem_len); | |
39192c0b | 1051 | |
665af4fc BC |
1052 | /* Suspend/resume */ |
1053 | int __ieee80211_suspend(struct ieee80211_hw *hw); | |
1054 | int __ieee80211_resume(struct ieee80211_hw *hw); | |
1055 | ||
c2d1560a JB |
1056 | /* utility functions/constants */ |
1057 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
1058 | extern const unsigned char rfc1042_header[6]; | |
1059 | extern const unsigned char bridge_tunnel_header[6]; | |
71364716 | 1060 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
05c914fe | 1061 | enum nl80211_iftype type); |
c2d1560a JB |
1062 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
1063 | int rate, int erp, int short_preamble); | |
f698d856 | 1064 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
eb063c17 | 1065 | struct ieee80211_hdr *hdr); |
5825fe10 | 1066 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); |
e50db65c JB |
1067 | void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
1068 | int encrypt); | |
9c6bd790 JB |
1069 | void ieee802_11_parse_elems(u8 *start, size_t len, |
1070 | struct ieee802_11_elems *elems); | |
e16751c3 | 1071 | int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq); |
881d948c | 1072 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
96dd22ac | 1073 | enum ieee80211_band band); |
f0706e82 | 1074 | |
520eb820 KV |
1075 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
1076 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); | |
1077 | void ieee80211_dynamic_ps_timer(unsigned long data); | |
a97b77b9 VN |
1078 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
1079 | struct ieee80211_sub_if_data *sdata, | |
1080 | int powersave); | |
520eb820 | 1081 | |
ce7c9111 KV |
1082 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
1083 | enum queue_stop_reason reason); | |
1084 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, | |
1085 | enum queue_stop_reason reason); | |
96f5e66e JB |
1086 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
1087 | enum queue_stop_reason reason); | |
1088 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, | |
1089 | enum queue_stop_reason reason); | |
ce7c9111 | 1090 | |
46900298 JB |
1091 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
1092 | u16 transaction, u16 auth_alg, | |
1093 | u8 *extra, size_t extra_len, | |
1094 | const u8 *bssid, int encrypt); | |
1095 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, | |
70692ad2 JM |
1096 | u8 *ssid, size_t ssid_len, |
1097 | u8 *ie, size_t ie_len); | |
46900298 JB |
1098 | |
1099 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, | |
1100 | const size_t supp_rates_len, | |
1101 | const u8 *supp_rates); | |
1102 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, | |
1103 | struct ieee802_11_elems *elems, | |
1104 | enum ieee80211_band band); | |
1105 | ||
f4ea83dd | 1106 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1107 | #define debug_noinline noinline |
1108 | #else | |
1109 | #define debug_noinline | |
1110 | #endif | |
1111 | ||
f0706e82 | 1112 | #endif /* IEEE80211_I_H */ |