Commit | Line | Data |
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f0706e82 JB |
1 | /* |
2 | * Copyright 2002-2005, Instant802 Networks, Inc. | |
3 | * Copyright 2005, Devicescape Software, Inc. | |
4 | * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> | |
e039fa4a | 5 | * Copyright 2007-2008 Johannes Berg <johannes@sipsolutions.net> |
f0706e82 JB |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #ifndef IEEE80211_I_H | |
13 | #define IEEE80211_I_H | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/device.h> | |
17 | #include <linux/if_ether.h> | |
18 | #include <linux/interrupt.h> | |
19 | #include <linux/list.h> | |
20 | #include <linux/netdevice.h> | |
21 | #include <linux/skbuff.h> | |
22 | #include <linux/workqueue.h> | |
23 | #include <linux/types.h> | |
24 | #include <linux/spinlock.h> | |
571ecf67 | 25 | #include <linux/etherdevice.h> |
93da9cc1 | 26 | #include <net/cfg80211.h> |
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 | 151 | |
a4b7d7bd | 152 | u16 ethertype; |
056cdd59 | 153 | unsigned int flags; |
5cf121c3 JB |
154 | }; |
155 | ||
156 | ||
9ae54c84 | 157 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
158 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
159 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
160 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
161 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 162 | |
5cf121c3 | 163 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 164 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
165 | #define IEEE80211_RX_RA_MATCH BIT(1) |
166 | #define IEEE80211_RX_AMSDU BIT(2) | |
167 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) | |
168 | #define IEEE80211_RX_FRAGMENTED BIT(4) | |
169 | ||
170 | struct ieee80211_rx_data { | |
f0706e82 JB |
171 | struct sk_buff *skb; |
172 | struct net_device *dev; | |
173 | struct ieee80211_local *local; | |
174 | struct ieee80211_sub_if_data *sdata; | |
175 | struct sta_info *sta; | |
f0706e82 | 176 | struct ieee80211_key *key; |
5cf121c3 JB |
177 | struct ieee80211_rx_status *status; |
178 | struct ieee80211_rate *rate; | |
056cdd59 | 179 | |
056cdd59 | 180 | unsigned int flags; |
5cf121c3 JB |
181 | int sent_ps_buffered; |
182 | int queue; | |
5cf121c3 JB |
183 | u32 tkip_iv32; |
184 | u16 tkip_iv16; | |
f0706e82 JB |
185 | }; |
186 | ||
5dfdaf58 JB |
187 | struct beacon_data { |
188 | u8 *head, *tail; | |
189 | int head_len, tail_len; | |
190 | int dtim_period; | |
191 | }; | |
192 | ||
f0706e82 | 193 | struct ieee80211_if_ap { |
5dfdaf58 | 194 | struct beacon_data *beacon; |
f0706e82 | 195 | |
0ec3ca44 JB |
196 | struct list_head vlans; |
197 | ||
f0706e82 JB |
198 | /* yes, this looks ugly, but guarantees that we can later use |
199 | * bitmap_empty :) | |
004c872e | 200 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 201 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 202 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 203 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 204 | int dtim_count; |
f0706e82 JB |
205 | }; |
206 | ||
207 | struct ieee80211_if_wds { | |
f0706e82 | 208 | struct sta_info *sta; |
056cdd59 | 209 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
210 | }; |
211 | ||
212 | struct ieee80211_if_vlan { | |
0ec3ca44 | 213 | struct list_head list; |
f0706e82 JB |
214 | }; |
215 | ||
ee385855 LCC |
216 | struct mesh_stats { |
217 | __u32 fwded_frames; /* Mesh forwarded frames */ | |
218 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ | |
219 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
220 | atomic_t estab_plinks; | |
221 | }; | |
222 | ||
223 | #define PREQ_Q_F_START 0x1 | |
224 | #define PREQ_Q_F_REFRESH 0x2 | |
225 | struct mesh_preq_queue { | |
226 | struct list_head list; | |
227 | u8 dst[ETH_ALEN]; | |
228 | u8 flags; | |
229 | }; | |
230 | ||
46900298 | 231 | /* flags used in struct ieee80211_if_managed.flags */ |
d6f2da5b JS |
232 | #define IEEE80211_STA_SSID_SET BIT(0) |
233 | #define IEEE80211_STA_BSSID_SET BIT(1) | |
234 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) | |
235 | #define IEEE80211_STA_AUTHENTICATED BIT(3) | |
236 | #define IEEE80211_STA_ASSOCIATED BIT(4) | |
237 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) | |
238 | #define IEEE80211_STA_CREATE_IBSS BIT(6) | |
7986cf95 | 239 | /* hole at 7, please re-use */ |
d6f2da5b | 240 | #define IEEE80211_STA_WMM_ENABLED BIT(8) |
7986cf95 | 241 | /* hole at 9, please re-use */ |
d6f2da5b JS |
242 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) |
243 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) | |
244 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) | |
5b98b1f7 | 245 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
eb46936b | 246 | #define IEEE80211_STA_TKIP_WEP_USED BIT(14) |
c481ec97 | 247 | #define IEEE80211_STA_CSA_RECEIVED BIT(15) |
5394af4d | 248 | #define IEEE80211_STA_MFP_ENABLED BIT(16) |
636a5d36 | 249 | #define IEEE80211_STA_EXT_SME BIT(17) |
ccd7b362 | 250 | /* flags for MLME request */ |
48c2fc59 | 251 | #define IEEE80211_STA_REQ_SCAN 0 |
9859b81e RR |
252 | #define IEEE80211_STA_REQ_DIRECT_PROBE 1 |
253 | #define IEEE80211_STA_REQ_AUTH 2 | |
254 | #define IEEE80211_STA_REQ_RUN 3 | |
48c2fc59 | 255 | |
48c2fc59 TW |
256 | /* bitfield of allowed auth algs */ |
257 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) | |
258 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) | |
259 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) | |
636a5d36 | 260 | #define IEEE80211_AUTH_ALG_FT BIT(3) |
48c2fc59 | 261 | |
46900298 | 262 | struct ieee80211_if_managed { |
056cdd59 | 263 | struct timer_list timer; |
c481ec97 | 264 | struct timer_list chswitch_timer; |
056cdd59 | 265 | struct work_struct work; |
c481ec97 | 266 | struct work_struct chswitch_work; |
04de8381 | 267 | struct work_struct beacon_loss_work; |
46900298 | 268 | |
056cdd59 | 269 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; |
46900298 | 270 | |
056cdd59 | 271 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
f0706e82 | 272 | size_t ssid_len; |
46900298 JB |
273 | |
274 | enum { | |
275 | IEEE80211_STA_MLME_DISABLED, | |
276 | IEEE80211_STA_MLME_DIRECT_PROBE, | |
277 | IEEE80211_STA_MLME_AUTHENTICATE, | |
278 | IEEE80211_STA_MLME_ASSOCIATE, | |
279 | IEEE80211_STA_MLME_ASSOCIATED, | |
280 | } state; | |
281 | ||
f0706e82 JB |
282 | u16 aid; |
283 | u16 ap_capab, capab; | |
284 | u8 *extra_ie; /* to be added to the end of AssocReq */ | |
285 | size_t extra_ie_len; | |
286 | ||
287 | /* The last AssocReq/Resp IEs */ | |
288 | u8 *assocreq_ies, *assocresp_ies; | |
289 | size_t assocreq_ies_len, assocresp_ies_len; | |
290 | ||
056cdd59 JB |
291 | struct sk_buff_head skb_queue; |
292 | ||
6042a3e3 | 293 | int assoc_scan_tries; /* number of scans done pre-association */ |
9859b81e | 294 | int direct_probe_tries; /* retries for direct probes */ |
6042a3e3 RR |
295 | int auth_tries; /* retries for auth req */ |
296 | int assoc_tries; /* retries for assoc req */ | |
f0706e82 | 297 | |
965bedad JB |
298 | bool powersave; /* powersave requested for this iface */ |
299 | ||
056cdd59 JB |
300 | unsigned long request; |
301 | ||
302 | unsigned long last_probe; | |
15b7b062 | 303 | unsigned long last_beacon; |
056cdd59 | 304 | |
d6f2da5b | 305 | unsigned int flags; |
f0706e82 | 306 | |
f0706e82 JB |
307 | unsigned int auth_algs; /* bitfield of allowed auth algs */ |
308 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ | |
309 | int auth_transaction; | |
310 | ||
fdfacf0a JM |
311 | enum { |
312 | IEEE80211_MFP_DISABLED, | |
313 | IEEE80211_MFP_OPTIONAL, | |
314 | IEEE80211_MFP_REQUIRED | |
315 | } mfp; /* management frame protection */ | |
316 | ||
f0706e82 | 317 | int wmm_last_param_set; |
9aed3cc1 JM |
318 | |
319 | /* Extra IE data for management frames */ | |
636a5d36 JM |
320 | u8 *sme_auth_ie; |
321 | size_t sme_auth_ie_len; | |
f0706e82 JB |
322 | }; |
323 | ||
46900298 JB |
324 | enum ieee80211_ibss_flags { |
325 | IEEE80211_IBSS_AUTO_CHANNEL_SEL = BIT(0), | |
326 | IEEE80211_IBSS_AUTO_BSSID_SEL = BIT(1), | |
327 | IEEE80211_IBSS_BSSID_SET = BIT(2), | |
328 | IEEE80211_IBSS_PREV_BSSID_SET = BIT(3), | |
329 | IEEE80211_IBSS_SSID_SET = BIT(4), | |
330 | }; | |
331 | ||
332 | enum ieee80211_ibss_request { | |
333 | IEEE80211_IBSS_REQ_RUN = 0, | |
334 | }; | |
335 | ||
336 | struct ieee80211_if_ibss { | |
337 | struct timer_list timer; | |
338 | struct work_struct work; | |
339 | ||
340 | struct sk_buff_head skb_queue; | |
341 | ||
342 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
343 | u8 ssid_len; | |
344 | ||
345 | u32 flags; | |
346 | ||
347 | u8 bssid[ETH_ALEN]; | |
348 | ||
349 | unsigned long request; | |
350 | ||
351 | unsigned long ibss_join_req; | |
352 | struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ | |
353 | ||
354 | enum { | |
355 | IEEE80211_IBSS_MLME_SEARCH, | |
356 | IEEE80211_IBSS_MLME_JOINED, | |
357 | } state; | |
358 | }; | |
359 | ||
472dbc45 JB |
360 | struct ieee80211_if_mesh { |
361 | struct work_struct work; | |
362 | struct timer_list housekeeping_timer; | |
363 | struct timer_list mesh_path_timer; | |
364 | struct sk_buff_head skb_queue; | |
365 | ||
366 | bool housekeeping; | |
367 | ||
368 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
369 | size_t mesh_id_len; | |
370 | /* Active Path Selection Protocol Identifier */ | |
371 | u8 mesh_pp_id[4]; | |
372 | /* Active Path Selection Metric Identifier */ | |
373 | u8 mesh_pm_id[4]; | |
374 | /* Congestion Control Mode Identifier */ | |
375 | u8 mesh_cc_id[4]; | |
376 | /* Local mesh Destination Sequence Number */ | |
377 | u32 dsn; | |
378 | /* Last used PREQ ID */ | |
379 | u32 preq_id; | |
380 | atomic_t mpaths; | |
381 | /* Timestamp of last DSN update */ | |
382 | unsigned long last_dsn_update; | |
383 | /* Timestamp of last DSN sent */ | |
384 | unsigned long last_preq; | |
385 | struct mesh_rmc *rmc; | |
386 | spinlock_t mesh_preq_queue_lock; | |
387 | struct mesh_preq_queue preq_queue; | |
388 | int preq_queue_len; | |
389 | struct mesh_stats mshstats; | |
390 | struct mesh_config mshcfg; | |
391 | u32 mesh_seqnum; | |
392 | bool accepting_plinks; | |
472dbc45 | 393 | }; |
902acc78 JB |
394 | |
395 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
396 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
397 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 398 | #else |
472dbc45 | 399 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
400 | do { } while (0) |
401 | #endif | |
f0706e82 | 402 | |
213cd118 JB |
403 | /** |
404 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
405 | * | |
406 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
407 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
213cd118 JB |
408 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
409 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
410 | * associated stations and deliver multicast frames both | |
411 | * back to wireless media and to the local net stack. | |
412 | */ | |
413 | enum ieee80211_sub_if_data_flags { | |
414 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
415 | IEEE80211_SDATA_PROMISC = BIT(1), | |
7986cf95 JB |
416 | IEEE80211_SDATA_OPERATING_GMODE = BIT(2), |
417 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), | |
213cd118 JB |
418 | }; |
419 | ||
f0706e82 JB |
420 | struct ieee80211_sub_if_data { |
421 | struct list_head list; | |
f0706e82 JB |
422 | |
423 | struct wireless_dev wdev; | |
424 | ||
11a843b7 JB |
425 | /* keys */ |
426 | struct list_head key_list; | |
427 | ||
f0706e82 JB |
428 | struct net_device *dev; |
429 | struct ieee80211_local *local; | |
430 | ||
13262ffd | 431 | unsigned int flags; |
7e9ed188 | 432 | |
f0706e82 | 433 | int drop_unencrypted; |
f0706e82 | 434 | |
f0706e82 JB |
435 | /* Fragment table for host-based reassembly */ |
436 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
437 | unsigned int fragment_next; | |
438 | ||
439 | #define NUM_DEFAULT_KEYS 4 | |
3cfcf6ac JM |
440 | #define NUM_DEFAULT_MGMT_KEYS 2 |
441 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; | |
f0706e82 | 442 | struct ieee80211_key *default_key; |
3cfcf6ac | 443 | struct ieee80211_key *default_mgmt_key; |
f0706e82 | 444 | |
94778280 JB |
445 | u16 sequence_number; |
446 | ||
471b3efd | 447 | /* |
3e122be0 JB |
448 | * AP this belongs to: self in AP mode and |
449 | * corresponding AP in VLAN mode, NULL for | |
450 | * all others (might be needed later in IBSS) | |
471b3efd | 451 | */ |
3e122be0 JB |
452 | struct ieee80211_if_ap *bss; |
453 | ||
454 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ | |
455 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ | |
f0706e82 JB |
456 | |
457 | union { | |
458 | struct ieee80211_if_ap ap; | |
459 | struct ieee80211_if_wds wds; | |
460 | struct ieee80211_if_vlan vlan; | |
46900298 JB |
461 | struct ieee80211_if_managed mgd; |
462 | struct ieee80211_if_ibss ibss; | |
472dbc45 JB |
463 | #ifdef CONFIG_MAC80211_MESH |
464 | struct ieee80211_if_mesh mesh; | |
465 | #endif | |
8cc9a739 | 466 | u32 mntr_flags; |
f0706e82 | 467 | } u; |
e9f207f0 JB |
468 | |
469 | #ifdef CONFIG_MAC80211_DEBUGFS | |
470 | struct dentry *debugfsdir; | |
471 | union { | |
472 | struct { | |
e9f207f0 | 473 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
474 | struct dentry *state; |
475 | struct dentry *bssid; | |
476 | struct dentry *prev_bssid; | |
477 | struct dentry *ssid_len; | |
478 | struct dentry *aid; | |
479 | struct dentry *ap_capab; | |
480 | struct dentry *capab; | |
481 | struct dentry *extra_ie_len; | |
482 | struct dentry *auth_tries; | |
483 | struct dentry *assoc_tries; | |
484 | struct dentry *auth_algs; | |
485 | struct dentry *auth_alg; | |
486 | struct dentry *auth_transaction; | |
487 | struct dentry *flags; | |
93015f0f JM |
488 | struct dentry *force_unicast_rateidx; |
489 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
490 | } sta; |
491 | struct { | |
e9f207f0 | 492 | struct dentry *drop_unencrypted; |
e9f207f0 | 493 | struct dentry *num_sta_ps; |
e9f207f0 | 494 | struct dentry *dtim_count; |
e9f207f0 JB |
495 | struct dentry *force_unicast_rateidx; |
496 | struct dentry *max_ratectrl_rateidx; | |
497 | struct dentry *num_buffered_multicast; | |
e9f207f0 JB |
498 | } ap; |
499 | struct { | |
e9f207f0 | 500 | struct dentry *drop_unencrypted; |
e9f207f0 | 501 | struct dentry *peer; |
93015f0f JM |
502 | struct dentry *force_unicast_rateidx; |
503 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
504 | } wds; |
505 | struct { | |
e9f207f0 | 506 | struct dentry *drop_unencrypted; |
93015f0f JM |
507 | struct dentry *force_unicast_rateidx; |
508 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
509 | } vlan; |
510 | struct { | |
511 | struct dentry *mode; | |
512 | } monitor; | |
e9f207f0 | 513 | } debugfs; |
2b58b209 JM |
514 | struct { |
515 | struct dentry *default_key; | |
3cfcf6ac | 516 | struct dentry *default_mgmt_key; |
2b58b209 | 517 | } common_debugfs; |
ee385855 LCC |
518 | |
519 | #ifdef CONFIG_MAC80211_MESH | |
520 | struct dentry *mesh_stats_dir; | |
521 | struct { | |
522 | struct dentry *fwded_frames; | |
523 | struct dentry *dropped_frames_ttl; | |
524 | struct dentry *dropped_frames_no_route; | |
525 | struct dentry *estab_plinks; | |
902acc78 | 526 | struct timer_list mesh_path_timer; |
ee385855 LCC |
527 | } mesh_stats; |
528 | ||
529 | struct dentry *mesh_config_dir; | |
530 | struct { | |
531 | struct dentry *dot11MeshRetryTimeout; | |
532 | struct dentry *dot11MeshConfirmTimeout; | |
533 | struct dentry *dot11MeshHoldingTimeout; | |
534 | struct dentry *dot11MeshMaxRetries; | |
535 | struct dentry *dot11MeshTTL; | |
536 | struct dentry *auto_open_plinks; | |
537 | struct dentry *dot11MeshMaxPeerLinks; | |
538 | struct dentry *dot11MeshHWMPactivePathTimeout; | |
539 | struct dentry *dot11MeshHWMPpreqMinInterval; | |
540 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; | |
541 | struct dentry *dot11MeshHWMPmaxPREQretries; | |
542 | struct dentry *path_refresh_time; | |
543 | struct dentry *min_discovery_timeout; | |
544 | } mesh_config; | |
545 | #endif | |
546 | ||
e9f207f0 | 547 | #endif |
32bfd35d JB |
548 | /* must be last, dynamically sized area in this! */ |
549 | struct ieee80211_vif vif; | |
f0706e82 JB |
550 | }; |
551 | ||
32bfd35d JB |
552 | static inline |
553 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
554 | { | |
555 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
556 | } | |
557 | ||
472dbc45 JB |
558 | static inline void |
559 | ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, | |
560 | u8 mesh_id_len, u8 *mesh_id) | |
561 | { | |
562 | #ifdef CONFIG_MAC80211_MESH | |
563 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
564 | ifmsh->mesh_id_len = mesh_id_len; | |
565 | memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); | |
566 | #else | |
567 | WARN_ON(1); | |
568 | #endif | |
569 | } | |
570 | ||
f0706e82 JB |
571 | enum { |
572 | IEEE80211_RX_MSG = 1, | |
573 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
574 | IEEE80211_DELBA_MSG = 3, |
575 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
576 | }; |
577 | ||
ce7c9111 KV |
578 | enum queue_stop_reason { |
579 | IEEE80211_QUEUE_STOP_REASON_DRIVER, | |
520eb820 | 580 | IEEE80211_QUEUE_STOP_REASON_PS, |
96f5e66e JB |
581 | IEEE80211_QUEUE_STOP_REASON_CSA, |
582 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, | |
25420604 | 583 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
2a577d98 | 584 | IEEE80211_QUEUE_STOP_REASON_PENDING, |
ce7c9111 KV |
585 | }; |
586 | ||
133b8226 JB |
587 | struct ieee80211_master_priv { |
588 | struct ieee80211_local *local; | |
589 | }; | |
590 | ||
f0706e82 JB |
591 | struct ieee80211_local { |
592 | /* embed the driver visible part. | |
593 | * don't cast (use the static inlines below), but we keep | |
594 | * it first anyway so they become a no-op */ | |
595 | struct ieee80211_hw hw; | |
596 | ||
597 | const struct ieee80211_ops *ops; | |
598 | ||
e4e72fb4 | 599 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
96f5e66e | 600 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
ce7c9111 | 601 | spinlock_t queue_stop_reason_lock; |
96f5e66e | 602 | |
f0706e82 | 603 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
f0706e82 | 604 | int open_count; |
3d30d949 | 605 | int monitors, cooked_mntrs; |
8cc9a739 MW |
606 | /* number of interfaces with corresponding FIF_ flags */ |
607 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; | |
4150c572 | 608 | unsigned int filter_flags; /* FIF_* */ |
f0706e82 | 609 | struct iw_statistics wstats; |
d0709a65 | 610 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
b306f453 | 611 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 612 | |
f0706e82 JB |
613 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
614 | * added to skb_queue will be processed, but frames in | |
615 | * skb_queue_unreliable may be dropped if the total length of these | |
616 | * queues increases over the limit. */ | |
617 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
618 | struct tasklet_struct tasklet; | |
619 | struct sk_buff_head skb_queue; | |
620 | struct sk_buff_head skb_queue_unreliable; | |
621 | ||
d0709a65 JB |
622 | /* Station data */ |
623 | /* | |
624 | * The lock only protects the list, hash, timer and counter | |
625 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 626 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
627 | */ |
628 | spinlock_t sta_lock; | |
629 | unsigned long num_sta; | |
f0706e82 | 630 | struct list_head sta_list; |
dc6676b7 JB |
631 | struct list_head sta_flush_list; |
632 | struct work_struct sta_flush_work; | |
f0706e82 JB |
633 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
634 | struct timer_list sta_cleanup; | |
635 | ||
2a577d98 | 636 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
637 | struct tasklet_struct tx_pending_tasklet; |
638 | ||
cd8ffc80 JB |
639 | /* |
640 | * This lock is used to prevent concurrent A-MPDU | |
641 | * session start/stop processing, this thus also | |
642 | * synchronises the ->ampdu_action() callback to | |
643 | * drivers and limits it to one at a time. | |
644 | */ | |
645 | spinlock_t ampdu_lock; | |
646 | ||
53918994 JB |
647 | /* number of interfaces with corresponding IFF_ flags */ |
648 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
649 | |
650 | struct rate_control_ref *rate_ctrl; | |
651 | ||
f0706e82 | 652 | int rts_threshold; |
f0706e82 | 653 | int fragmentation_threshold; |
f0706e82 JB |
654 | |
655 | struct crypto_blkcipher *wep_tx_tfm; | |
656 | struct crypto_blkcipher *wep_rx_tfm; | |
657 | u32 wep_iv; | |
f0706e82 | 658 | |
c771c9d8 | 659 | /* see iface.c */ |
79010420 | 660 | struct list_head interfaces; |
c771c9d8 | 661 | struct mutex iflist_mtx; |
79010420 | 662 | |
b16bd15c JB |
663 | /* |
664 | * Key lock, protects sdata's key_list and sta_info's | |
665 | * key pointers (write access, they're RCU.) | |
666 | */ | |
667 | spinlock_t key_lock; | |
668 | ||
669 | ||
c2b13452 JB |
670 | /* Scanning and BSS list */ |
671 | bool sw_scanning, hw_scanning; | |
2a519311 JB |
672 | struct cfg80211_ssid scan_ssid; |
673 | struct cfg80211_scan_request int_scan_req; | |
674 | struct cfg80211_scan_request *scan_req; | |
675 | struct ieee80211_channel *scan_channel; | |
de95a54b JB |
676 | const u8 *orig_ies; |
677 | int orig_ies_len; | |
f0706e82 | 678 | int scan_channel_idx; |
de95a54b | 679 | int scan_ies_len; |
8318d78a | 680 | |
f0706e82 JB |
681 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
682 | unsigned long last_scan_completed; | |
683 | struct delayed_work scan_work; | |
491775a5 | 684 | struct ieee80211_sub_if_data *scan_sdata; |
094d05dc | 685 | enum nl80211_channel_type oper_channel_type; |
2a519311 | 686 | struct ieee80211_channel *oper_channel, *csa_channel; |
f0706e82 JB |
687 | |
688 | /* SNMP counters */ | |
689 | /* dot11CountersTable */ | |
690 | u32 dot11TransmittedFragmentCount; | |
691 | u32 dot11MulticastTransmittedFrameCount; | |
692 | u32 dot11FailedCount; | |
693 | u32 dot11RetryCount; | |
694 | u32 dot11MultipleRetryCount; | |
695 | u32 dot11FrameDuplicateCount; | |
696 | u32 dot11ReceivedFragmentCount; | |
697 | u32 dot11MulticastReceivedFrameCount; | |
698 | u32 dot11TransmittedFrameCount; | |
f0706e82 JB |
699 | |
700 | #ifdef CONFIG_MAC80211_LEDS | |
701 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
702 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
703 | char tx_led_name[32], rx_led_name[32], | |
704 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
705 | #endif |
706 | ||
e9f207f0 JB |
707 | #ifdef CONFIG_MAC80211_DEBUGFS |
708 | struct work_struct sta_debugfs_add; | |
709 | #endif | |
710 | ||
f0706e82 JB |
711 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
712 | /* TX/RX handler statistics */ | |
713 | unsigned int tx_handlers_drop; | |
714 | unsigned int tx_handlers_queued; | |
715 | unsigned int tx_handlers_drop_unencrypted; | |
716 | unsigned int tx_handlers_drop_fragment; | |
717 | unsigned int tx_handlers_drop_wep; | |
718 | unsigned int tx_handlers_drop_not_assoc; | |
719 | unsigned int tx_handlers_drop_unauth_port; | |
720 | unsigned int rx_handlers_drop; | |
721 | unsigned int rx_handlers_queued; | |
722 | unsigned int rx_handlers_drop_nullfunc; | |
723 | unsigned int rx_handlers_drop_defrag; | |
724 | unsigned int rx_handlers_drop_short; | |
725 | unsigned int rx_handlers_drop_passive_scan; | |
726 | unsigned int tx_expand_skb_head; | |
727 | unsigned int tx_expand_skb_head_cloned; | |
728 | unsigned int rx_expand_skb_head; | |
729 | unsigned int rx_expand_skb_head2; | |
730 | unsigned int rx_handlers_fragments; | |
731 | unsigned int tx_status_drop; | |
f0706e82 JB |
732 | #define I802_DEBUG_INC(c) (c)++ |
733 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
734 | #define I802_DEBUG_INC(c) do { } while (0) | |
735 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
736 | ||
737 | ||
f0706e82 JB |
738 | int total_ps_buffered; /* total number of all buffered unicast and |
739 | * multicast packets for power saving stations | |
740 | */ | |
f0706e82 JB |
741 | int wifi_wme_noack_test; |
742 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
520eb820 | 743 | |
572e0012 | 744 | bool pspolling; |
965bedad JB |
745 | /* |
746 | * PS can only be enabled when we have exactly one managed | |
747 | * interface (and monitors) in PS, this then points there. | |
748 | */ | |
749 | struct ieee80211_sub_if_data *ps_sdata; | |
520eb820 KV |
750 | struct work_struct dynamic_ps_enable_work; |
751 | struct work_struct dynamic_ps_disable_work; | |
752 | struct timer_list dynamic_ps_timer; | |
f0706e82 | 753 | |
2bf30fab | 754 | int user_power_level; /* in dBm */ |
a8302de9 | 755 | int power_constr_level; /* in dBm */ |
2bf30fab | 756 | |
f2753ddb JB |
757 | struct work_struct restart_work; |
758 | ||
e9f207f0 JB |
759 | #ifdef CONFIG_MAC80211_DEBUGFS |
760 | struct local_debugfsdentries { | |
4b7679a5 JB |
761 | struct dentry *rcdir; |
762 | struct dentry *rcname; | |
e9f207f0 | 763 | struct dentry *frequency; |
e9f207f0 JB |
764 | struct dentry *rts_threshold; |
765 | struct dentry *fragmentation_threshold; | |
766 | struct dentry *short_retry_limit; | |
767 | struct dentry *long_retry_limit; | |
768 | struct dentry *total_ps_buffered; | |
e9f207f0 | 769 | struct dentry *wep_iv; |
ae54c985 | 770 | struct dentry *tsf; |
827b1fb4 | 771 | struct dentry *reset; |
e9f207f0 JB |
772 | struct dentry *statistics; |
773 | struct local_debugfsdentries_statsdentries { | |
774 | struct dentry *transmitted_fragment_count; | |
775 | struct dentry *multicast_transmitted_frame_count; | |
776 | struct dentry *failed_count; | |
777 | struct dentry *retry_count; | |
778 | struct dentry *multiple_retry_count; | |
779 | struct dentry *frame_duplicate_count; | |
780 | struct dentry *received_fragment_count; | |
781 | struct dentry *multicast_received_frame_count; | |
782 | struct dentry *transmitted_frame_count; | |
783 | struct dentry *wep_undecryptable_count; | |
784 | struct dentry *num_scans; | |
785 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS | |
786 | struct dentry *tx_handlers_drop; | |
787 | struct dentry *tx_handlers_queued; | |
788 | struct dentry *tx_handlers_drop_unencrypted; | |
789 | struct dentry *tx_handlers_drop_fragment; | |
790 | struct dentry *tx_handlers_drop_wep; | |
791 | struct dentry *tx_handlers_drop_not_assoc; | |
792 | struct dentry *tx_handlers_drop_unauth_port; | |
793 | struct dentry *rx_handlers_drop; | |
794 | struct dentry *rx_handlers_queued; | |
795 | struct dentry *rx_handlers_drop_nullfunc; | |
796 | struct dentry *rx_handlers_drop_defrag; | |
797 | struct dentry *rx_handlers_drop_short; | |
798 | struct dentry *rx_handlers_drop_passive_scan; | |
799 | struct dentry *tx_expand_skb_head; | |
800 | struct dentry *tx_expand_skb_head_cloned; | |
801 | struct dentry *rx_expand_skb_head; | |
802 | struct dentry *rx_expand_skb_head2; | |
803 | struct dentry *rx_handlers_fragments; | |
804 | struct dentry *tx_status_drop; | |
e9f207f0 JB |
805 | #endif |
806 | struct dentry *dot11ACKFailureCount; | |
807 | struct dentry *dot11RTSFailureCount; | |
808 | struct dentry *dot11FCSErrorCount; | |
809 | struct dentry *dot11RTSSuccessCount; | |
810 | } stats; | |
811 | struct dentry *stations; | |
812 | struct dentry *keys; | |
813 | } debugfs; | |
814 | #endif | |
f0706e82 JB |
815 | }; |
816 | ||
3e122be0 JB |
817 | static inline struct ieee80211_sub_if_data * |
818 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
819 | { | |
820 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
821 | ||
822 | BUG_ON(!local || local->mdev == dev); | |
823 | ||
824 | return netdev_priv(dev); | |
825 | } | |
826 | ||
eadc8d9e RR |
827 | /* this struct represents 802.11n's RA/TID combination */ |
828 | struct ieee80211_ra_tid { | |
829 | u8 ra[ETH_ALEN]; | |
830 | u16 tid; | |
831 | }; | |
832 | ||
ee385855 LCC |
833 | /* Parsed Information Elements */ |
834 | struct ieee802_11_elems { | |
43ac2ca3 JM |
835 | u8 *ie_start; |
836 | size_t total_len; | |
837 | ||
ee385855 LCC |
838 | /* pointers to IEs */ |
839 | u8 *ssid; | |
840 | u8 *supp_rates; | |
841 | u8 *fh_params; | |
842 | u8 *ds_params; | |
843 | u8 *cf_params; | |
844 | u8 *tim; | |
845 | u8 *ibss_params; | |
846 | u8 *challenge; | |
847 | u8 *wpa; | |
848 | u8 *rsn; | |
849 | u8 *erp_info; | |
850 | u8 *ext_supp_rates; | |
851 | u8 *wmm_info; | |
852 | u8 *wmm_param; | |
09914813 | 853 | struct ieee80211_ht_cap *ht_cap_elem; |
d9fe60de | 854 | struct ieee80211_ht_info *ht_info_elem; |
ee385855 LCC |
855 | u8 *mesh_config; |
856 | u8 *mesh_id; | |
857 | u8 *peer_link; | |
858 | u8 *preq; | |
859 | u8 *prep; | |
860 | u8 *perr; | |
f2df3859 AK |
861 | u8 *ch_switch_elem; |
862 | u8 *country_elem; | |
863 | u8 *pwr_constr_elem; | |
864 | u8 *quiet_elem; /* first quite element */ | |
f797eb7e | 865 | u8 *timeout_int; |
ee385855 LCC |
866 | |
867 | /* length of them, respectively */ | |
868 | u8 ssid_len; | |
869 | u8 supp_rates_len; | |
870 | u8 fh_params_len; | |
871 | u8 ds_params_len; | |
872 | u8 cf_params_len; | |
873 | u8 tim_len; | |
874 | u8 ibss_params_len; | |
875 | u8 challenge_len; | |
876 | u8 wpa_len; | |
877 | u8 rsn_len; | |
878 | u8 erp_info_len; | |
879 | u8 ext_supp_rates_len; | |
880 | u8 wmm_info_len; | |
881 | u8 wmm_param_len; | |
ee385855 LCC |
882 | u8 mesh_config_len; |
883 | u8 mesh_id_len; | |
884 | u8 peer_link_len; | |
885 | u8 preq_len; | |
886 | u8 prep_len; | |
887 | u8 perr_len; | |
f2df3859 AK |
888 | u8 ch_switch_elem_len; |
889 | u8 country_elem_len; | |
890 | u8 pwr_constr_elem_len; | |
891 | u8 quiet_elem_len; | |
892 | u8 num_of_quiet_elem; /* can be more the one */ | |
f797eb7e | 893 | u8 timeout_int_len; |
ee385855 LCC |
894 | }; |
895 | ||
f0706e82 JB |
896 | static inline struct ieee80211_local *hw_to_local( |
897 | struct ieee80211_hw *hw) | |
898 | { | |
899 | return container_of(hw, struct ieee80211_local, hw); | |
900 | } | |
901 | ||
902 | static inline struct ieee80211_hw *local_to_hw( | |
903 | struct ieee80211_local *local) | |
904 | { | |
905 | return &local->hw; | |
906 | } | |
907 | ||
f0706e82 | 908 | |
571ecf67 JB |
909 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
910 | { | |
911 | return compare_ether_addr(raddr, addr) == 0 || | |
912 | is_broadcast_ether_addr(raddr); | |
913 | } | |
914 | ||
915 | ||
e8975581 | 916 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
9d139c81 | 917 | int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed); |
5cf121c3 | 918 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
9c6bd790 JB |
919 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
920 | u32 changed); | |
0d143fe1 | 921 | void ieee80211_configure_filter(struct ieee80211_local *local); |
46900298 | 922 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
f0706e82 | 923 | |
9c6bd790 | 924 | /* wireless extensions */ |
f0706e82 | 925 | extern const struct iw_handler_def ieee80211_iw_handler_def; |
65b53e4c | 926 | |
46900298 | 927 | /* STA code */ |
9c6bd790 | 928 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
46900298 JB |
929 | ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, |
930 | struct sk_buff *skb, | |
931 | struct ieee80211_rx_status *rx_status); | |
79f6440c | 932 | int ieee80211_sta_commit(struct ieee80211_sub_if_data *sdata); |
f698d856 JBG |
933 | int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); |
934 | int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); | |
935 | int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); | |
46900298 | 936 | void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata); |
f698d856 JBG |
937 | int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason); |
938 | int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason); | |
572e0012 KV |
939 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
940 | struct ieee80211_sub_if_data *sdata); | |
965bedad | 941 | void ieee80211_recalc_ps(struct ieee80211_local *local); |
9c6bd790 | 942 | |
46900298 | 943 | /* IBSS code */ |
79f6440c | 944 | int ieee80211_ibss_commit(struct ieee80211_sub_if_data *sdata); |
46900298 JB |
945 | int ieee80211_ibss_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); |
946 | int ieee80211_ibss_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); | |
947 | int ieee80211_ibss_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); | |
948 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); | |
949 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
950 | ieee80211_rx_result | |
951 | ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, | |
952 | struct ieee80211_rx_status *rx_status); | |
953 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, | |
954 | u8 *bssid, u8 *addr, u32 supp_rates); | |
955 | ||
9c6bd790 | 956 | /* scan/BSS handling */ |
46900298 | 957 | void ieee80211_scan_work(struct work_struct *work); |
c2b13452 | 958 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
2a519311 | 959 | struct cfg80211_scan_request *req); |
c2b13452 JB |
960 | int ieee80211_scan_results(struct ieee80211_local *local, |
961 | struct iw_request_info *info, | |
962 | char *buf, size_t len); | |
963 | ieee80211_rx_result | |
964 | ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, | |
965 | struct sk_buff *skb, | |
966 | struct ieee80211_rx_status *rx_status); | |
c2b13452 | 967 | int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, |
636a5d36 | 968 | const char *ie, size_t len); |
9c6bd790 | 969 | |
0a51b27e | 970 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
af88b907 | 971 | void ieee80211_scan_failed(struct ieee80211_local *local); |
c2b13452 | 972 | int ieee80211_start_scan(struct ieee80211_sub_if_data *scan_sdata, |
2a519311 | 973 | struct cfg80211_scan_request *req); |
c2b13452 | 974 | struct ieee80211_bss * |
98c8fccf JB |
975 | ieee80211_bss_info_update(struct ieee80211_local *local, |
976 | struct ieee80211_rx_status *rx_status, | |
977 | struct ieee80211_mgmt *mgmt, | |
978 | size_t len, | |
979 | struct ieee802_11_elems *elems, | |
2a519311 JB |
980 | struct ieee80211_channel *channel, |
981 | bool beacon); | |
c2b13452 | 982 | struct ieee80211_bss * |
5484e237 JB |
983 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, |
984 | u8 *ssid, u8 ssid_len); | |
98c8fccf | 985 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 986 | struct ieee80211_bss *bss); |
7a947080 VT |
987 | void ieee80211_rx_bss_remove(struct ieee80211_sub_if_data *sdata, u8 *bssid, |
988 | int freq, u8 *ssid, u8 ssid_len); | |
ee385855 | 989 | |
3e122be0 JB |
990 | /* interface handling */ |
991 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, | |
05c914fe | 992 | struct net_device **new_dev, enum nl80211_iftype type, |
ee385855 | 993 | struct vif_params *params); |
f3947e2d | 994 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
05c914fe | 995 | enum nl80211_iftype type); |
f698d856 | 996 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 997 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
f0706e82 | 998 | |
e2ebc74d | 999 | /* tx handling */ |
e2ebc74d JB |
1000 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
1001 | void ieee80211_tx_pending(unsigned long data); | |
1002 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
1003 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
1004 | int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
e2ebc74d | 1005 | |
de1ede7a | 1006 | /* HT */ |
ae5eb026 JB |
1007 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, |
1008 | struct ieee80211_ht_cap *ht_cap_ie, | |
d9fe60de | 1009 | struct ieee80211_sta_ht_cap *ht_cap); |
de1ede7a | 1010 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); |
b8695a8f JB |
1011 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
1012 | const u8 *da, u16 tid, | |
1013 | u16 initiator, u16 reason_code); | |
de1ede7a JB |
1014 | |
1015 | void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da, | |
1016 | u16 tid, u16 initiator, u16 reason); | |
849b7967 JB |
1017 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
1018 | u16 initiator, u16 reason); | |
2dace10e | 1019 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta); |
de1ede7a JB |
1020 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
1021 | struct sta_info *sta, | |
1022 | struct ieee80211_mgmt *mgmt, size_t len); | |
1023 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
1024 | struct sta_info *sta, | |
1025 | struct ieee80211_mgmt *mgmt, | |
1026 | size_t len); | |
1027 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
1028 | struct sta_info *sta, | |
1029 | struct ieee80211_mgmt *mgmt, | |
1030 | size_t len); | |
1031 | ||
849b7967 JB |
1032 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
1033 | enum ieee80211_back_parties initiator); | |
1034 | ||
39192c0b JB |
1035 | /* Spectrum management */ |
1036 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
1037 | struct ieee80211_mgmt *mgmt, | |
1038 | size_t len); | |
c481ec97 S |
1039 | void ieee80211_chswitch_timer(unsigned long data); |
1040 | void ieee80211_chswitch_work(struct work_struct *work); | |
1041 | void ieee80211_process_chanswitch(struct ieee80211_sub_if_data *sdata, | |
1042 | struct ieee80211_channel_sw_ie *sw_elem, | |
1043 | struct ieee80211_bss *bss); | |
a8302de9 VT |
1044 | void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata, |
1045 | u16 capab_info, u8 *pwr_constr_elem, | |
1046 | u8 pwr_constr_elem_len); | |
39192c0b | 1047 | |
f2753ddb JB |
1048 | /* Suspend/resume and hw reconfiguration */ |
1049 | int ieee80211_reconfig(struct ieee80211_local *local); | |
1050 | ||
827b1fb4 | 1051 | #ifdef CONFIG_PM |
665af4fc | 1052 | int __ieee80211_suspend(struct ieee80211_hw *hw); |
f2753ddb JB |
1053 | |
1054 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) | |
1055 | { | |
1056 | return ieee80211_reconfig(hw_to_local(hw)); | |
1057 | } | |
827b1fb4 JB |
1058 | #else |
1059 | static inline int __ieee80211_suspend(struct ieee80211_hw *hw) | |
1060 | { | |
1061 | return 0; | |
1062 | } | |
f2753ddb | 1063 | |
827b1fb4 JB |
1064 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) |
1065 | { | |
1066 | return 0; | |
1067 | } | |
1068 | #endif | |
665af4fc | 1069 | |
c2d1560a JB |
1070 | /* utility functions/constants */ |
1071 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
1072 | extern const unsigned char rfc1042_header[6]; | |
1073 | extern const unsigned char bridge_tunnel_header[6]; | |
71364716 | 1074 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
05c914fe | 1075 | enum nl80211_iftype type); |
c2d1560a JB |
1076 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
1077 | int rate, int erp, int short_preamble); | |
f698d856 | 1078 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
a3b8b056 | 1079 | struct ieee80211_hdr *hdr, const u8 *tsc); |
5825fe10 | 1080 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); |
e50db65c JB |
1081 | void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
1082 | int encrypt); | |
9c6bd790 JB |
1083 | void ieee802_11_parse_elems(u8 *start, size_t len, |
1084 | struct ieee802_11_elems *elems); | |
e16751c3 | 1085 | int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq); |
881d948c | 1086 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
96dd22ac | 1087 | enum ieee80211_band band); |
f0706e82 | 1088 | |
520eb820 KV |
1089 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
1090 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); | |
1091 | void ieee80211_dynamic_ps_timer(unsigned long data); | |
a97b77b9 VN |
1092 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
1093 | struct ieee80211_sub_if_data *sdata, | |
1094 | int powersave); | |
3cf335d5 KV |
1095 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
1096 | struct ieee80211_hdr *hdr); | |
04de8381 | 1097 | void ieee80211_beacon_loss_work(struct work_struct *work); |
520eb820 | 1098 | |
ce7c9111 KV |
1099 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
1100 | enum queue_stop_reason reason); | |
1101 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, | |
1102 | enum queue_stop_reason reason); | |
96f5e66e JB |
1103 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
1104 | enum queue_stop_reason reason); | |
1105 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, | |
1106 | enum queue_stop_reason reason); | |
ce7c9111 | 1107 | |
46900298 JB |
1108 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
1109 | u16 transaction, u16 auth_alg, | |
1110 | u8 *extra, size_t extra_len, | |
1111 | const u8 *bssid, int encrypt); | |
de95a54b JB |
1112 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
1113 | const u8 *ie, size_t ie_len); | |
46900298 | 1114 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
de95a54b JB |
1115 | const u8 *ssid, size_t ssid_len, |
1116 | const u8 *ie, size_t ie_len); | |
46900298 JB |
1117 | |
1118 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, | |
1119 | const size_t supp_rates_len, | |
1120 | const u8 *supp_rates); | |
1121 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, | |
1122 | struct ieee802_11_elems *elems, | |
1123 | enum ieee80211_band band); | |
1124 | ||
f4ea83dd | 1125 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1126 | #define debug_noinline noinline |
1127 | #else | |
1128 | #define debug_noinline | |
1129 | #endif | |
1130 | ||
f0706e82 | 1131 | #endif /* IEEE80211_I_H */ |