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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> |
f0706e82 | 26 | #include <net/wireless.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 | ||
32 | /* ieee80211.o internal definitions, etc. These are not included into | |
33 | * low-level drivers. */ | |
34 | ||
9cfb0009 | 35 | struct ieee80211_local; |
f0706e82 JB |
36 | |
37 | /* Maximum number of broadcast/multicast frames to buffer when some of the | |
38 | * associated stations are using power saving. */ | |
39 | #define AP_MAX_BC_BUFFER 128 | |
40 | ||
41 | /* Maximum number of frames buffered to all STAs, including multicast frames. | |
42 | * Note: increasing this limit increases the potential memory requirement. Each | |
43 | * frame can be up to about 2 kB long. */ | |
44 | #define TOTAL_MAX_TX_BUFFER 512 | |
45 | ||
46 | /* Required encryption head and tailroom */ | |
47 | #define IEEE80211_ENCRYPT_HEADROOM 8 | |
48 | #define IEEE80211_ENCRYPT_TAILROOM 12 | |
49 | ||
50 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent | |
51 | * reception of at least three fragmented frames. This limit can be increased | |
52 | * by changing this define, at the cost of slower frame reassembly and | |
53 | * increased memory use (about 2 kB of RAM per entry). */ | |
54 | #define IEEE80211_FRAGMENT_MAX 4 | |
55 | ||
0a51b27e JB |
56 | /* |
57 | * Time after which we ignore scan results and no longer report/use | |
58 | * them in any way. | |
59 | */ | |
60 | #define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ) | |
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 | ||
74 | struct ieee80211_sta_bss { | |
75 | struct list_head list; | |
76 | struct ieee80211_sta_bss *hnext; | |
056cdd59 JB |
77 | size_t ssid_len; |
78 | ||
f0706e82 JB |
79 | atomic_t users; |
80 | ||
81 | u8 bssid[ETH_ALEN]; | |
82 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
98f7dfd8 | 83 | u8 dtim_period; |
f0706e82 | 84 | u16 capability; /* host byte order */ |
8318d78a | 85 | enum ieee80211_band band; |
f0706e82 | 86 | int freq; |
566bfe5a | 87 | int signal, noise, qual; |
43ac2ca3 JM |
88 | u8 *ies; /* all information elements from the last Beacon or Probe |
89 | * Response frames; note Beacon frame is not allowed to | |
90 | * override values from Probe Response */ | |
91 | size_t ies_len; | |
92 | bool wmm_used; | |
ee385855 LCC |
93 | #ifdef CONFIG_MAC80211_MESH |
94 | u8 *mesh_id; | |
95 | size_t mesh_id_len; | |
24736701 | 96 | u8 *mesh_cfg; |
902acc78 | 97 | #endif |
f0706e82 JB |
98 | #define IEEE80211_MAX_SUPP_RATES 32 |
99 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
100 | size_t supp_rates_len; | |
f0706e82 | 101 | u64 timestamp; |
056cdd59 | 102 | int beacon_int; |
f0706e82 | 103 | |
9859b81e | 104 | unsigned long last_probe_resp; |
f0706e82 JB |
105 | unsigned long last_update; |
106 | ||
5628221c DD |
107 | /* during assocation, we save an ERP value from a probe response so |
108 | * that we can feed ERP info to the driver when handling the | |
109 | * association completes. these fields probably won't be up-to-date | |
110 | * otherwise, you probably don't want to use them. */ | |
111 | int has_erp_value; | |
112 | u8 erp_value; | |
f0706e82 JB |
113 | }; |
114 | ||
24736701 | 115 | static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss) |
902acc78 JB |
116 | { |
117 | #ifdef CONFIG_MAC80211_MESH | |
118 | return bss->mesh_cfg; | |
119 | #endif | |
120 | return NULL; | |
121 | } | |
122 | ||
123 | static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss) | |
124 | { | |
125 | #ifdef CONFIG_MAC80211_MESH | |
126 | return bss->mesh_id; | |
127 | #endif | |
128 | return NULL; | |
129 | } | |
130 | ||
131 | static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss) | |
132 | { | |
133 | #ifdef CONFIG_MAC80211_MESH | |
134 | return bss->mesh_id_len; | |
135 | #endif | |
136 | return 0; | |
137 | } | |
138 | ||
f0706e82 | 139 | |
9ae54c84 JB |
140 | typedef unsigned __bitwise__ ieee80211_tx_result; |
141 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
142 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
143 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
144 | ||
5cf121c3 JB |
145 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
146 | #define IEEE80211_TX_UNICAST BIT(1) | |
147 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
148 | #define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) | |
5cf121c3 JB |
149 | |
150 | struct ieee80211_tx_data { | |
151 | struct sk_buff *skb; | |
152 | struct net_device *dev; | |
153 | struct ieee80211_local *local; | |
154 | struct ieee80211_sub_if_data *sdata; | |
155 | struct sta_info *sta; | |
5cf121c3 | 156 | struct ieee80211_key *key; |
5cf121c3 | 157 | |
5cf121c3 | 158 | struct ieee80211_channel *channel; |
2e92e6f2 | 159 | s8 rate_idx; |
5cf121c3 JB |
160 | /* use this rate (if set) for last fragment; rate can |
161 | * be set to lower rate for the first fragments, e.g., | |
162 | * when using CTS protection with IEEE 802.11g. */ | |
2e92e6f2 | 163 | s8 last_frag_rate_idx; |
5cf121c3 JB |
164 | |
165 | /* Extra fragments (in addition to the first fragment | |
166 | * in skb) */ | |
5cf121c3 | 167 | struct sk_buff **extra_frag; |
056cdd59 JB |
168 | int num_extra_frag; |
169 | ||
a4b7d7bd | 170 | u16 ethertype; |
056cdd59 | 171 | unsigned int flags; |
5cf121c3 JB |
172 | }; |
173 | ||
174 | ||
9ae54c84 | 175 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
176 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
177 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
178 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
179 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 180 | |
5cf121c3 | 181 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 182 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
183 | #define IEEE80211_RX_RA_MATCH BIT(1) |
184 | #define IEEE80211_RX_AMSDU BIT(2) | |
185 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) | |
186 | #define IEEE80211_RX_FRAGMENTED BIT(4) | |
187 | ||
188 | struct ieee80211_rx_data { | |
f0706e82 JB |
189 | struct sk_buff *skb; |
190 | struct net_device *dev; | |
191 | struct ieee80211_local *local; | |
192 | struct ieee80211_sub_if_data *sdata; | |
193 | struct sta_info *sta; | |
f0706e82 | 194 | struct ieee80211_key *key; |
5cf121c3 JB |
195 | struct ieee80211_rx_status *status; |
196 | struct ieee80211_rate *rate; | |
056cdd59 | 197 | |
a4b7d7bd | 198 | u16 ethertype; |
056cdd59 | 199 | unsigned int flags; |
5cf121c3 JB |
200 | int sent_ps_buffered; |
201 | int queue; | |
5cf121c3 JB |
202 | u32 tkip_iv32; |
203 | u16 tkip_iv16; | |
f0706e82 JB |
204 | }; |
205 | ||
f0706e82 | 206 | struct ieee80211_tx_stored_packet { |
f0706e82 | 207 | struct sk_buff *skb; |
f0706e82 | 208 | struct sk_buff **extra_frag; |
2e92e6f2 | 209 | s8 last_frag_rate_idx; |
056cdd59 | 210 | int num_extra_frag; |
2e92e6f2 | 211 | bool last_frag_rate_ctrl_probe; |
f0706e82 JB |
212 | }; |
213 | ||
5dfdaf58 JB |
214 | struct beacon_data { |
215 | u8 *head, *tail; | |
216 | int head_len, tail_len; | |
217 | int dtim_period; | |
218 | }; | |
219 | ||
f0706e82 | 220 | struct ieee80211_if_ap { |
5dfdaf58 | 221 | struct beacon_data *beacon; |
f0706e82 | 222 | |
0ec3ca44 JB |
223 | struct list_head vlans; |
224 | ||
f0706e82 JB |
225 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
226 | size_t ssid_len; | |
f0706e82 JB |
227 | |
228 | /* yes, this looks ugly, but guarantees that we can later use | |
229 | * bitmap_empty :) | |
004c872e | 230 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 231 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 232 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 233 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 234 | int dtim_count; |
f0706e82 JB |
235 | int num_beacons; /* number of TXed beacon frames for this BSS */ |
236 | }; | |
237 | ||
238 | struct ieee80211_if_wds { | |
f0706e82 | 239 | struct sta_info *sta; |
056cdd59 | 240 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
241 | }; |
242 | ||
243 | struct ieee80211_if_vlan { | |
0ec3ca44 | 244 | struct list_head list; |
f0706e82 JB |
245 | }; |
246 | ||
ee385855 LCC |
247 | struct mesh_stats { |
248 | __u32 fwded_frames; /* Mesh forwarded frames */ | |
249 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ | |
250 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
251 | atomic_t estab_plinks; | |
252 | }; | |
253 | ||
254 | #define PREQ_Q_F_START 0x1 | |
255 | #define PREQ_Q_F_REFRESH 0x2 | |
256 | struct mesh_preq_queue { | |
257 | struct list_head list; | |
258 | u8 dst[ETH_ALEN]; | |
259 | u8 flags; | |
260 | }; | |
261 | ||
ee385855 LCC |
262 | struct mesh_config { |
263 | /* Timeouts in ms */ | |
264 | /* Mesh plink management parameters */ | |
265 | u16 dot11MeshRetryTimeout; | |
266 | u16 dot11MeshConfirmTimeout; | |
267 | u16 dot11MeshHoldingTimeout; | |
268 | u16 dot11MeshMaxPeerLinks; | |
269 | u8 dot11MeshMaxRetries; | |
270 | u8 dot11MeshTTL; | |
271 | bool auto_open_plinks; | |
272 | /* HWMP parameters */ | |
ee385855 LCC |
273 | u8 dot11MeshHWMPmaxPREQretries; |
274 | u32 path_refresh_time; | |
275 | u16 min_discovery_timeout; | |
056cdd59 JB |
276 | u32 dot11MeshHWMPactivePathTimeout; |
277 | u16 dot11MeshHWMPpreqMinInterval; | |
278 | u16 dot11MeshHWMPnetDiameterTraversalTime; | |
ee385855 | 279 | }; |
902acc78 | 280 | |
ee385855 | 281 | |
d6f2da5b JS |
282 | /* flags used in struct ieee80211_if_sta.flags */ |
283 | #define IEEE80211_STA_SSID_SET BIT(0) | |
284 | #define IEEE80211_STA_BSSID_SET BIT(1) | |
285 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) | |
286 | #define IEEE80211_STA_AUTHENTICATED BIT(3) | |
287 | #define IEEE80211_STA_ASSOCIATED BIT(4) | |
288 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) | |
289 | #define IEEE80211_STA_CREATE_IBSS BIT(6) | |
290 | #define IEEE80211_STA_MIXED_CELL BIT(7) | |
291 | #define IEEE80211_STA_WMM_ENABLED BIT(8) | |
292 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) | |
293 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) | |
294 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) | |
5b98b1f7 | 295 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
48c2fc59 TW |
296 | /* flags for MLME request*/ |
297 | #define IEEE80211_STA_REQ_SCAN 0 | |
9859b81e RR |
298 | #define IEEE80211_STA_REQ_DIRECT_PROBE 1 |
299 | #define IEEE80211_STA_REQ_AUTH 2 | |
300 | #define IEEE80211_STA_REQ_RUN 3 | |
48c2fc59 TW |
301 | |
302 | /* flags used for setting mlme state */ | |
303 | enum ieee80211_sta_mlme_state { | |
304 | IEEE80211_STA_MLME_DISABLED, | |
9859b81e | 305 | IEEE80211_STA_MLME_DIRECT_PROBE, |
48c2fc59 TW |
306 | IEEE80211_STA_MLME_AUTHENTICATE, |
307 | IEEE80211_STA_MLME_ASSOCIATE, | |
308 | IEEE80211_STA_MLME_ASSOCIATED, | |
309 | IEEE80211_STA_MLME_IBSS_SEARCH, | |
310 | IEEE80211_STA_MLME_IBSS_JOINED, | |
311 | IEEE80211_STA_MLME_MESH_UP | |
312 | }; | |
313 | ||
314 | /* bitfield of allowed auth algs */ | |
315 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) | |
316 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) | |
317 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) | |
318 | ||
f0706e82 | 319 | struct ieee80211_if_sta { |
056cdd59 JB |
320 | struct timer_list timer; |
321 | struct work_struct work; | |
322 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; | |
323 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
48c2fc59 | 324 | enum ieee80211_sta_mlme_state state; |
f0706e82 | 325 | size_t ssid_len; |
a0af5f14 HS |
326 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
327 | size_t scan_ssid_len; | |
ee385855 LCC |
328 | #ifdef CONFIG_MAC80211_MESH |
329 | struct timer_list mesh_path_timer; | |
330 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
ee385855 LCC |
331 | size_t mesh_id_len; |
332 | /* Active Path Selection Protocol Identifier */ | |
333 | u8 mesh_pp_id[4]; | |
334 | /* Active Path Selection Metric Identifier */ | |
335 | u8 mesh_pm_id[4]; | |
336 | /* Congestion Control Mode Identifier */ | |
337 | u8 mesh_cc_id[4]; | |
338 | /* Local mesh Destination Sequence Number */ | |
339 | u32 dsn; | |
340 | /* Last used PREQ ID */ | |
341 | u32 preq_id; | |
342 | atomic_t mpaths; | |
343 | /* Timestamp of last DSN update */ | |
344 | unsigned long last_dsn_update; | |
345 | /* Timestamp of last DSN sent */ | |
346 | unsigned long last_preq; | |
347 | struct mesh_rmc *rmc; | |
348 | spinlock_t mesh_preq_queue_lock; | |
349 | struct mesh_preq_queue preq_queue; | |
350 | int preq_queue_len; | |
351 | struct mesh_stats mshstats; | |
352 | struct mesh_config mshcfg; | |
51ceddad | 353 | u32 mesh_seqnum; |
056cdd59 | 354 | bool accepting_plinks; |
ee385855 | 355 | #endif |
f0706e82 JB |
356 | u16 aid; |
357 | u16 ap_capab, capab; | |
358 | u8 *extra_ie; /* to be added to the end of AssocReq */ | |
359 | size_t extra_ie_len; | |
360 | ||
361 | /* The last AssocReq/Resp IEs */ | |
362 | u8 *assocreq_ies, *assocresp_ies; | |
363 | size_t assocreq_ies_len, assocresp_ies_len; | |
364 | ||
056cdd59 JB |
365 | struct sk_buff_head skb_queue; |
366 | ||
6042a3e3 | 367 | int assoc_scan_tries; /* number of scans done pre-association */ |
9859b81e | 368 | int direct_probe_tries; /* retries for direct probes */ |
6042a3e3 RR |
369 | int auth_tries; /* retries for auth req */ |
370 | int assoc_tries; /* retries for assoc req */ | |
f0706e82 | 371 | |
056cdd59 JB |
372 | unsigned long request; |
373 | ||
374 | unsigned long last_probe; | |
375 | ||
d6f2da5b | 376 | unsigned int flags; |
f0706e82 | 377 | |
f0706e82 JB |
378 | unsigned int auth_algs; /* bitfield of allowed auth algs */ |
379 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ | |
380 | int auth_transaction; | |
381 | ||
382 | unsigned long ibss_join_req; | |
383 | struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ | |
8318d78a | 384 | u32 supp_rates_bits[IEEE80211_NUM_BANDS]; |
f0706e82 JB |
385 | |
386 | int wmm_last_param_set; | |
ee385855 | 387 | int num_beacons; /* number of TXed beacon frames by this STA */ |
f0706e82 JB |
388 | }; |
389 | ||
902acc78 JB |
390 | static inline void ieee80211_if_sta_set_mesh_id(struct ieee80211_if_sta *ifsta, |
391 | u8 mesh_id_len, u8 *mesh_id) | |
392 | { | |
393 | #ifdef CONFIG_MAC80211_MESH | |
394 | ifsta->mesh_id_len = mesh_id_len; | |
395 | memcpy(ifsta->mesh_id, mesh_id, mesh_id_len); | |
396 | #endif | |
397 | } | |
398 | ||
399 | #ifdef CONFIG_MAC80211_MESH | |
400 | #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ | |
401 | do { (sta)->mshstats.name++; } while (0) | |
402 | #else | |
403 | #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ | |
404 | do { } while (0) | |
405 | #endif | |
f0706e82 | 406 | |
13262ffd JS |
407 | /* flags used in struct ieee80211_sub_if_data.flags */ |
408 | #define IEEE80211_SDATA_ALLMULTI BIT(0) | |
409 | #define IEEE80211_SDATA_PROMISC BIT(1) | |
471b3efd | 410 | #define IEEE80211_SDATA_USERSPACE_MLME BIT(2) |
8318d78a | 411 | #define IEEE80211_SDATA_OPERATING_GMODE BIT(3) |
f0706e82 JB |
412 | struct ieee80211_sub_if_data { |
413 | struct list_head list; | |
f0706e82 JB |
414 | |
415 | struct wireless_dev wdev; | |
416 | ||
11a843b7 JB |
417 | /* keys */ |
418 | struct list_head key_list; | |
419 | ||
f0706e82 JB |
420 | struct net_device *dev; |
421 | struct ieee80211_local *local; | |
422 | ||
13262ffd | 423 | unsigned int flags; |
7e9ed188 | 424 | |
f0706e82 | 425 | int drop_unencrypted; |
f0706e82 | 426 | |
8318d78a JB |
427 | /* |
428 | * basic rates of this AP or the AP we're associated to | |
429 | */ | |
430 | u64 basic_rates; | |
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 | |
437 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; | |
438 | struct ieee80211_key *default_key; | |
439 | ||
3e122be0 JB |
440 | /* BSS configuration for this interface. */ |
441 | struct ieee80211_bss_conf bss_conf; | |
442 | ||
471b3efd | 443 | /* |
3e122be0 JB |
444 | * AP this belongs to: self in AP mode and |
445 | * corresponding AP in VLAN mode, NULL for | |
446 | * all others (might be needed later in IBSS) | |
471b3efd | 447 | */ |
3e122be0 JB |
448 | struct ieee80211_if_ap *bss; |
449 | ||
450 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ | |
451 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ | |
f0706e82 JB |
452 | |
453 | union { | |
454 | struct ieee80211_if_ap ap; | |
455 | struct ieee80211_if_wds wds; | |
456 | struct ieee80211_if_vlan vlan; | |
457 | struct ieee80211_if_sta sta; | |
8cc9a739 | 458 | u32 mntr_flags; |
f0706e82 | 459 | } u; |
e9f207f0 JB |
460 | |
461 | #ifdef CONFIG_MAC80211_DEBUGFS | |
462 | struct dentry *debugfsdir; | |
463 | union { | |
464 | struct { | |
e9f207f0 | 465 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
466 | struct dentry *state; |
467 | struct dentry *bssid; | |
468 | struct dentry *prev_bssid; | |
469 | struct dentry *ssid_len; | |
470 | struct dentry *aid; | |
471 | struct dentry *ap_capab; | |
472 | struct dentry *capab; | |
473 | struct dentry *extra_ie_len; | |
474 | struct dentry *auth_tries; | |
475 | struct dentry *assoc_tries; | |
476 | struct dentry *auth_algs; | |
477 | struct dentry *auth_alg; | |
478 | struct dentry *auth_transaction; | |
479 | struct dentry *flags; | |
ee385855 | 480 | struct dentry *num_beacons_sta; |
93015f0f JM |
481 | struct dentry *force_unicast_rateidx; |
482 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
483 | } sta; |
484 | struct { | |
e9f207f0 | 485 | struct dentry *drop_unencrypted; |
e9f207f0 | 486 | struct dentry *num_sta_ps; |
e9f207f0 JB |
487 | struct dentry *dtim_count; |
488 | struct dentry *num_beacons; | |
489 | struct dentry *force_unicast_rateidx; | |
490 | struct dentry *max_ratectrl_rateidx; | |
491 | struct dentry *num_buffered_multicast; | |
e9f207f0 JB |
492 | } ap; |
493 | struct { | |
e9f207f0 | 494 | struct dentry *drop_unencrypted; |
e9f207f0 | 495 | struct dentry *peer; |
93015f0f JM |
496 | struct dentry *force_unicast_rateidx; |
497 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
498 | } wds; |
499 | struct { | |
e9f207f0 | 500 | struct dentry *drop_unencrypted; |
93015f0f JM |
501 | struct dentry *force_unicast_rateidx; |
502 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
503 | } vlan; |
504 | struct { | |
505 | struct dentry *mode; | |
506 | } monitor; | |
e9f207f0 | 507 | } debugfs; |
2b58b209 JM |
508 | struct { |
509 | struct dentry *default_key; | |
510 | } common_debugfs; | |
ee385855 LCC |
511 | |
512 | #ifdef CONFIG_MAC80211_MESH | |
513 | struct dentry *mesh_stats_dir; | |
514 | struct { | |
515 | struct dentry *fwded_frames; | |
516 | struct dentry *dropped_frames_ttl; | |
517 | struct dentry *dropped_frames_no_route; | |
518 | struct dentry *estab_plinks; | |
902acc78 | 519 | struct timer_list mesh_path_timer; |
ee385855 LCC |
520 | } mesh_stats; |
521 | ||
522 | struct dentry *mesh_config_dir; | |
523 | struct { | |
524 | struct dentry *dot11MeshRetryTimeout; | |
525 | struct dentry *dot11MeshConfirmTimeout; | |
526 | struct dentry *dot11MeshHoldingTimeout; | |
527 | struct dentry *dot11MeshMaxRetries; | |
528 | struct dentry *dot11MeshTTL; | |
529 | struct dentry *auto_open_plinks; | |
530 | struct dentry *dot11MeshMaxPeerLinks; | |
531 | struct dentry *dot11MeshHWMPactivePathTimeout; | |
532 | struct dentry *dot11MeshHWMPpreqMinInterval; | |
533 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; | |
534 | struct dentry *dot11MeshHWMPmaxPREQretries; | |
535 | struct dentry *path_refresh_time; | |
536 | struct dentry *min_discovery_timeout; | |
537 | } mesh_config; | |
538 | #endif | |
539 | ||
e9f207f0 | 540 | #endif |
32bfd35d JB |
541 | /* must be last, dynamically sized area in this! */ |
542 | struct ieee80211_vif vif; | |
f0706e82 JB |
543 | }; |
544 | ||
32bfd35d JB |
545 | static inline |
546 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
547 | { | |
548 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
549 | } | |
550 | ||
f0706e82 JB |
551 | enum { |
552 | IEEE80211_RX_MSG = 1, | |
553 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
554 | IEEE80211_DELBA_MSG = 3, |
555 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
556 | }; |
557 | ||
51cb6db0 DM |
558 | /* maximum number of hardware queues we support. */ |
559 | #define QD_MAX_QUEUES (IEEE80211_MAX_AMPDU_QUEUES + IEEE80211_MAX_QUEUES) | |
560 | ||
f0706e82 JB |
561 | struct ieee80211_local { |
562 | /* embed the driver visible part. | |
563 | * don't cast (use the static inlines below), but we keep | |
564 | * it first anyway so they become a no-op */ | |
565 | struct ieee80211_hw hw; | |
566 | ||
567 | const struct ieee80211_ops *ops; | |
568 | ||
51cb6db0 DM |
569 | unsigned long queue_pool[BITS_TO_LONGS(QD_MAX_QUEUES)]; |
570 | ||
f0706e82 | 571 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
f0706e82 | 572 | int open_count; |
3d30d949 | 573 | int monitors, cooked_mntrs; |
8cc9a739 MW |
574 | /* number of interfaces with corresponding FIF_ flags */ |
575 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; | |
4150c572 | 576 | unsigned int filter_flags; /* FIF_* */ |
f0706e82 JB |
577 | struct iw_statistics wstats; |
578 | u8 wstats_flags; | |
d0709a65 | 579 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
b306f453 | 580 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 581 | |
f0706e82 JB |
582 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
583 | * added to skb_queue will be processed, but frames in | |
584 | * skb_queue_unreliable may be dropped if the total length of these | |
585 | * queues increases over the limit. */ | |
586 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
587 | struct tasklet_struct tasklet; | |
588 | struct sk_buff_head skb_queue; | |
589 | struct sk_buff_head skb_queue_unreliable; | |
590 | ||
d0709a65 JB |
591 | /* Station data */ |
592 | /* | |
593 | * The lock only protects the list, hash, timer and counter | |
594 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 595 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
596 | */ |
597 | spinlock_t sta_lock; | |
598 | unsigned long num_sta; | |
f0706e82 | 599 | struct list_head sta_list; |
dc6676b7 JB |
600 | struct list_head sta_flush_list; |
601 | struct work_struct sta_flush_work; | |
f0706e82 JB |
602 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
603 | struct timer_list sta_cleanup; | |
604 | ||
e2530083 | 605 | unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
f8e79ddd | 606 | unsigned long queues_pending_run[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
eefce91a | 607 | struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
608 | struct tasklet_struct tx_pending_tasklet; |
609 | ||
53918994 JB |
610 | /* number of interfaces with corresponding IFF_ flags */ |
611 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
612 | |
613 | struct rate_control_ref *rate_ctrl; | |
614 | ||
f0706e82 | 615 | int rts_threshold; |
f0706e82 JB |
616 | int fragmentation_threshold; |
617 | int short_retry_limit; /* dot11ShortRetryLimit */ | |
618 | int long_retry_limit; /* dot11LongRetryLimit */ | |
f0706e82 JB |
619 | |
620 | struct crypto_blkcipher *wep_tx_tfm; | |
621 | struct crypto_blkcipher *wep_rx_tfm; | |
622 | u32 wep_iv; | |
f0706e82 JB |
623 | |
624 | int bridge_packets; /* bridge packets between associated stations and | |
625 | * deliver multicast frames both back to wireless | |
626 | * media and to the local net stack */ | |
627 | ||
79010420 JB |
628 | struct list_head interfaces; |
629 | ||
b16bd15c JB |
630 | /* |
631 | * Key lock, protects sdata's key_list and sta_info's | |
632 | * key pointers (write access, they're RCU.) | |
633 | */ | |
634 | spinlock_t key_lock; | |
635 | ||
636 | ||
ece8eddd ZY |
637 | bool sta_sw_scanning; |
638 | bool sta_hw_scanning; | |
f0706e82 | 639 | int scan_channel_idx; |
8318d78a JB |
640 | enum ieee80211_band scan_band; |
641 | ||
f0706e82 JB |
642 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
643 | unsigned long last_scan_completed; | |
644 | struct delayed_work scan_work; | |
491775a5 | 645 | struct ieee80211_sub_if_data *scan_sdata; |
f0706e82 | 646 | struct ieee80211_channel *oper_channel, *scan_channel; |
f0706e82 JB |
647 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
648 | size_t scan_ssid_len; | |
649 | struct list_head sta_bss_list; | |
650 | struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE]; | |
651 | spinlock_t sta_bss_lock; | |
f0706e82 JB |
652 | |
653 | /* SNMP counters */ | |
654 | /* dot11CountersTable */ | |
655 | u32 dot11TransmittedFragmentCount; | |
656 | u32 dot11MulticastTransmittedFrameCount; | |
657 | u32 dot11FailedCount; | |
658 | u32 dot11RetryCount; | |
659 | u32 dot11MultipleRetryCount; | |
660 | u32 dot11FrameDuplicateCount; | |
661 | u32 dot11ReceivedFragmentCount; | |
662 | u32 dot11MulticastReceivedFrameCount; | |
663 | u32 dot11TransmittedFrameCount; | |
664 | u32 dot11WEPUndecryptableCount; | |
665 | ||
666 | #ifdef CONFIG_MAC80211_LEDS | |
667 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
668 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
669 | char tx_led_name[32], rx_led_name[32], | |
670 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
671 | #endif |
672 | ||
e9f207f0 JB |
673 | #ifdef CONFIG_MAC80211_DEBUGFS |
674 | struct work_struct sta_debugfs_add; | |
675 | #endif | |
676 | ||
f0706e82 JB |
677 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
678 | /* TX/RX handler statistics */ | |
679 | unsigned int tx_handlers_drop; | |
680 | unsigned int tx_handlers_queued; | |
681 | unsigned int tx_handlers_drop_unencrypted; | |
682 | unsigned int tx_handlers_drop_fragment; | |
683 | unsigned int tx_handlers_drop_wep; | |
684 | unsigned int tx_handlers_drop_not_assoc; | |
685 | unsigned int tx_handlers_drop_unauth_port; | |
686 | unsigned int rx_handlers_drop; | |
687 | unsigned int rx_handlers_queued; | |
688 | unsigned int rx_handlers_drop_nullfunc; | |
689 | unsigned int rx_handlers_drop_defrag; | |
690 | unsigned int rx_handlers_drop_short; | |
691 | unsigned int rx_handlers_drop_passive_scan; | |
692 | unsigned int tx_expand_skb_head; | |
693 | unsigned int tx_expand_skb_head_cloned; | |
694 | unsigned int rx_expand_skb_head; | |
695 | unsigned int rx_expand_skb_head2; | |
696 | unsigned int rx_handlers_fragments; | |
697 | unsigned int tx_status_drop; | |
f0706e82 JB |
698 | #define I802_DEBUG_INC(c) (c)++ |
699 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
700 | #define I802_DEBUG_INC(c) do { } while (0) | |
701 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
702 | ||
703 | ||
f0706e82 JB |
704 | int total_ps_buffered; /* total number of all buffered unicast and |
705 | * multicast packets for power saving stations | |
706 | */ | |
f0706e82 JB |
707 | int wifi_wme_noack_test; |
708 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
709 | ||
e9f207f0 JB |
710 | #ifdef CONFIG_MAC80211_DEBUGFS |
711 | struct local_debugfsdentries { | |
e9f207f0 | 712 | struct dentry *frequency; |
e9f207f0 JB |
713 | struct dentry *antenna_sel_tx; |
714 | struct dentry *antenna_sel_rx; | |
715 | struct dentry *bridge_packets; | |
e9f207f0 JB |
716 | struct dentry *rts_threshold; |
717 | struct dentry *fragmentation_threshold; | |
718 | struct dentry *short_retry_limit; | |
719 | struct dentry *long_retry_limit; | |
720 | struct dentry *total_ps_buffered; | |
e9f207f0 | 721 | struct dentry *wep_iv; |
e9f207f0 JB |
722 | struct dentry *statistics; |
723 | struct local_debugfsdentries_statsdentries { | |
724 | struct dentry *transmitted_fragment_count; | |
725 | struct dentry *multicast_transmitted_frame_count; | |
726 | struct dentry *failed_count; | |
727 | struct dentry *retry_count; | |
728 | struct dentry *multiple_retry_count; | |
729 | struct dentry *frame_duplicate_count; | |
730 | struct dentry *received_fragment_count; | |
731 | struct dentry *multicast_received_frame_count; | |
732 | struct dentry *transmitted_frame_count; | |
733 | struct dentry *wep_undecryptable_count; | |
734 | struct dentry *num_scans; | |
735 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS | |
736 | struct dentry *tx_handlers_drop; | |
737 | struct dentry *tx_handlers_queued; | |
738 | struct dentry *tx_handlers_drop_unencrypted; | |
739 | struct dentry *tx_handlers_drop_fragment; | |
740 | struct dentry *tx_handlers_drop_wep; | |
741 | struct dentry *tx_handlers_drop_not_assoc; | |
742 | struct dentry *tx_handlers_drop_unauth_port; | |
743 | struct dentry *rx_handlers_drop; | |
744 | struct dentry *rx_handlers_queued; | |
745 | struct dentry *rx_handlers_drop_nullfunc; | |
746 | struct dentry *rx_handlers_drop_defrag; | |
747 | struct dentry *rx_handlers_drop_short; | |
748 | struct dentry *rx_handlers_drop_passive_scan; | |
749 | struct dentry *tx_expand_skb_head; | |
750 | struct dentry *tx_expand_skb_head_cloned; | |
751 | struct dentry *rx_expand_skb_head; | |
752 | struct dentry *rx_expand_skb_head2; | |
753 | struct dentry *rx_handlers_fragments; | |
754 | struct dentry *tx_status_drop; | |
e9f207f0 JB |
755 | #endif |
756 | struct dentry *dot11ACKFailureCount; | |
757 | struct dentry *dot11RTSFailureCount; | |
758 | struct dentry *dot11FCSErrorCount; | |
759 | struct dentry *dot11RTSSuccessCount; | |
760 | } stats; | |
761 | struct dentry *stations; | |
762 | struct dentry *keys; | |
763 | } debugfs; | |
764 | #endif | |
f0706e82 JB |
765 | }; |
766 | ||
3e122be0 JB |
767 | static inline struct ieee80211_sub_if_data * |
768 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
769 | { | |
770 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
771 | ||
772 | BUG_ON(!local || local->mdev == dev); | |
773 | ||
774 | return netdev_priv(dev); | |
775 | } | |
776 | ||
eadc8d9e RR |
777 | /* this struct represents 802.11n's RA/TID combination */ |
778 | struct ieee80211_ra_tid { | |
779 | u8 ra[ETH_ALEN]; | |
780 | u16 tid; | |
781 | }; | |
782 | ||
ee385855 LCC |
783 | /* Parsed Information Elements */ |
784 | struct ieee802_11_elems { | |
43ac2ca3 JM |
785 | u8 *ie_start; |
786 | size_t total_len; | |
787 | ||
ee385855 LCC |
788 | /* pointers to IEs */ |
789 | u8 *ssid; | |
790 | u8 *supp_rates; | |
791 | u8 *fh_params; | |
792 | u8 *ds_params; | |
793 | u8 *cf_params; | |
794 | u8 *tim; | |
795 | u8 *ibss_params; | |
796 | u8 *challenge; | |
797 | u8 *wpa; | |
798 | u8 *rsn; | |
799 | u8 *erp_info; | |
800 | u8 *ext_supp_rates; | |
801 | u8 *wmm_info; | |
802 | u8 *wmm_param; | |
803 | u8 *ht_cap_elem; | |
804 | u8 *ht_info_elem; | |
805 | u8 *mesh_config; | |
806 | u8 *mesh_id; | |
807 | u8 *peer_link; | |
808 | u8 *preq; | |
809 | u8 *prep; | |
810 | u8 *perr; | |
f2df3859 AK |
811 | u8 *ch_switch_elem; |
812 | u8 *country_elem; | |
813 | u8 *pwr_constr_elem; | |
814 | u8 *quiet_elem; /* first quite element */ | |
ee385855 LCC |
815 | |
816 | /* length of them, respectively */ | |
817 | u8 ssid_len; | |
818 | u8 supp_rates_len; | |
819 | u8 fh_params_len; | |
820 | u8 ds_params_len; | |
821 | u8 cf_params_len; | |
822 | u8 tim_len; | |
823 | u8 ibss_params_len; | |
824 | u8 challenge_len; | |
825 | u8 wpa_len; | |
826 | u8 rsn_len; | |
827 | u8 erp_info_len; | |
828 | u8 ext_supp_rates_len; | |
829 | u8 wmm_info_len; | |
830 | u8 wmm_param_len; | |
831 | u8 ht_cap_elem_len; | |
832 | u8 ht_info_elem_len; | |
833 | u8 mesh_config_len; | |
834 | u8 mesh_id_len; | |
835 | u8 peer_link_len; | |
836 | u8 preq_len; | |
837 | u8 prep_len; | |
838 | u8 perr_len; | |
f2df3859 AK |
839 | u8 ch_switch_elem_len; |
840 | u8 country_elem_len; | |
841 | u8 pwr_constr_elem_len; | |
842 | u8 quiet_elem_len; | |
843 | u8 num_of_quiet_elem; /* can be more the one */ | |
ee385855 LCC |
844 | }; |
845 | ||
f0706e82 JB |
846 | static inline struct ieee80211_local *hw_to_local( |
847 | struct ieee80211_hw *hw) | |
848 | { | |
849 | return container_of(hw, struct ieee80211_local, hw); | |
850 | } | |
851 | ||
852 | static inline struct ieee80211_hw *local_to_hw( | |
853 | struct ieee80211_local *local) | |
854 | { | |
855 | return &local->hw; | |
856 | } | |
857 | ||
f0706e82 JB |
858 | struct sta_attribute { |
859 | struct attribute attr; | |
860 | ssize_t (*show)(const struct sta_info *, char *buf); | |
861 | ssize_t (*store)(struct sta_info *, const char *buf, size_t count); | |
862 | }; | |
863 | ||
571ecf67 JB |
864 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
865 | { | |
866 | return compare_ether_addr(raddr, addr) == 0 || | |
867 | is_broadcast_ether_addr(raddr); | |
868 | } | |
869 | ||
870 | ||
f0706e82 JB |
871 | /* ieee80211.c */ |
872 | int ieee80211_hw_config(struct ieee80211_local *local); | |
9d139c81 | 873 | int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed); |
5cf121c3 | 874 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
38668c05 TW |
875 | u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht, |
876 | struct ieee80211_ht_info *req_ht_cap, | |
877 | struct ieee80211_ht_bss_info *req_bss_cap); | |
f0706e82 JB |
878 | |
879 | /* ieee80211_ioctl.c */ | |
880 | extern const struct iw_handler_def ieee80211_iw_handler_def; | |
f698d856 | 881 | int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq); |
65b53e4c | 882 | |
f0706e82 JB |
883 | /* ieee80211_sta.c */ |
884 | void ieee80211_sta_timer(unsigned long data); | |
885 | void ieee80211_sta_work(struct work_struct *work); | |
886 | void ieee80211_sta_scan_work(struct work_struct *work); | |
f698d856 | 887 | void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
f0706e82 | 888 | struct ieee80211_rx_status *rx_status); |
f698d856 JBG |
889 | int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); |
890 | int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); | |
891 | int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); | |
892 | int ieee80211_sta_req_scan(struct ieee80211_sub_if_data *sdata, u8 *ssid, size_t ssid_len); | |
893 | void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata, | |
f0706e82 | 894 | struct ieee80211_if_sta *ifsta); |
f698d856 | 895 | int ieee80211_sta_scan_results(struct ieee80211_local *local, |
ccc58057 DM |
896 | struct iw_request_info *info, |
897 | char *buf, size_t len); | |
9ae54c84 | 898 | ieee80211_rx_result ieee80211_sta_rx_scan( |
f698d856 | 899 | struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
9ae54c84 | 900 | struct ieee80211_rx_status *rx_status); |
3e122be0 JB |
901 | void ieee80211_rx_bss_list_init(struct ieee80211_local *local); |
902 | void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local); | |
f698d856 JBG |
903 | int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len); |
904 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, | |
988c0f72 | 905 | struct sk_buff *skb, u8 *bssid, |
87291c02 | 906 | u8 *addr, u64 supp_rates); |
f698d856 JBG |
907 | int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason); |
908 | int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason); | |
471b3efd JB |
909 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
910 | u32 changed); | |
f698d856 | 911 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
c7153508 RR |
912 | int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie, |
913 | struct ieee80211_ht_info *ht_info); | |
914 | int ieee80211_ht_addt_info_ie_to_ht_bss_info( | |
915 | struct ieee80211_ht_addt_info *ht_add_info_ie, | |
916 | struct ieee80211_ht_bss_info *bss_info); | |
f698d856 | 917 | void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, const u8 *da, |
eadc8d9e RR |
918 | u16 tid, u8 dialog_token, u16 start_seq_num, |
919 | u16 agg_size, u16 timeout); | |
f698d856 | 920 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, const u8 *da, u16 tid, |
eadc8d9e | 921 | u16 initiator, u16 reason_code); |
f698d856 | 922 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); |
85249e5f | 923 | |
f698d856 | 924 | void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da, |
07db2183 | 925 | u16 tid, u16 initiator, u16 reason); |
eadc8d9e | 926 | void sta_addba_resp_timer_expired(unsigned long data); |
f698d856 | 927 | void ieee80211_sta_tear_down_BA_sessions(struct ieee80211_sub_if_data *sdata, u8 *addr); |
ee385855 LCC |
928 | u64 ieee80211_sta_get_rates(struct ieee80211_local *local, |
929 | struct ieee802_11_elems *elems, | |
930 | enum ieee80211_band band); | |
f698d856 | 931 | void ieee80211_sta_tx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
ee385855 | 932 | int encrypt); |
0a51b27e JB |
933 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
934 | u8 *ssid, size_t ssid_len); | |
ee385855 | 935 | void ieee802_11_parse_elems(u8 *start, size_t len, |
0a51b27e JB |
936 | struct ieee802_11_elems *elems); |
937 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); | |
938 | int ieee80211_sta_start_scan(struct ieee80211_sub_if_data *scan_sdata, | |
939 | u8 *ssid, size_t ssid_len); | |
98c8fccf JB |
940 | struct ieee80211_sta_bss * |
941 | ieee80211_bss_info_update(struct ieee80211_local *local, | |
942 | struct ieee80211_rx_status *rx_status, | |
943 | struct ieee80211_mgmt *mgmt, | |
944 | size_t len, | |
945 | struct ieee802_11_elems *elems, | |
946 | int freq, bool beacon); | |
947 | void ieee80211_rx_bss_put(struct ieee80211_local *local, | |
948 | struct ieee80211_sta_bss *bss); | |
ee385855 | 949 | |
902acc78 | 950 | #ifdef CONFIG_MAC80211_MESH |
f698d856 | 951 | void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata); |
902acc78 | 952 | #else |
f698d856 | 953 | static inline void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata) |
902acc78 JB |
954 | {} |
955 | #endif | |
ee385855 | 956 | |
3e122be0 | 957 | /* interface handling */ |
75636525 | 958 | void ieee80211_if_setup(struct net_device *dev); |
3e122be0 | 959 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
75636525 | 960 | struct net_device **new_dev, enum ieee80211_if_types type, |
ee385855 | 961 | struct vif_params *params); |
f3947e2d JB |
962 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
963 | enum ieee80211_if_types type); | |
f698d856 | 964 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 965 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
f0706e82 | 966 | |
e2ebc74d | 967 | /* tx handling */ |
e2ebc74d JB |
968 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
969 | void ieee80211_tx_pending(unsigned long data); | |
970 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
971 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
972 | int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
e2ebc74d | 973 | |
c2d1560a JB |
974 | /* utility functions/constants */ |
975 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
976 | extern const unsigned char rfc1042_header[6]; | |
977 | extern const unsigned char bridge_tunnel_header[6]; | |
71364716 RR |
978 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
979 | enum ieee80211_if_types type); | |
c2d1560a JB |
980 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
981 | int rate, int erp, int short_preamble); | |
f698d856 | 982 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
eb063c17 | 983 | struct ieee80211_hdr *hdr); |
f0706e82 | 984 | |
f4ea83dd | 985 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
986 | #define debug_noinline noinline |
987 | #else | |
988 | #define debug_noinline | |
989 | #endif | |
990 | ||
f0706e82 | 991 | #endif /* IEEE80211_I_H */ |