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Commit | Line | Data |
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f0706e82 JB |
1 | /* |
2 | * Copyright 2002-2005, Instant802 Networks, Inc. | |
3 | * Copyright 2005, Devicescape Software, Inc. | |
4 | * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> | |
e039fa4a | 5 | * Copyright 2007-2008 Johannes Berg <johannes@sipsolutions.net> |
f0706e82 JB |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #ifndef IEEE80211_I_H | |
13 | #define IEEE80211_I_H | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/device.h> | |
17 | #include <linux/if_ether.h> | |
18 | #include <linux/interrupt.h> | |
19 | #include <linux/list.h> | |
20 | #include <linux/netdevice.h> | |
21 | #include <linux/skbuff.h> | |
22 | #include <linux/workqueue.h> | |
23 | #include <linux/types.h> | |
24 | #include <linux/spinlock.h> | |
571ecf67 | 25 | #include <linux/etherdevice.h> |
93da9cc1 | 26 | #include <net/cfg80211.h> |
ccc58057 | 27 | #include <net/iw_handler.h> |
51cb6db0 | 28 | #include <net/mac80211.h> |
2c8dccc7 | 29 | #include "key.h" |
f0706e82 JB |
30 | #include "sta_info.h" |
31 | ||
9cfb0009 | 32 | struct ieee80211_local; |
f0706e82 JB |
33 | |
34 | /* Maximum number of broadcast/multicast frames to buffer when some of the | |
35 | * associated stations are using power saving. */ | |
36 | #define AP_MAX_BC_BUFFER 128 | |
37 | ||
38 | /* Maximum number of frames buffered to all STAs, including multicast frames. | |
39 | * Note: increasing this limit increases the potential memory requirement. Each | |
40 | * frame can be up to about 2 kB long. */ | |
41 | #define TOTAL_MAX_TX_BUFFER 512 | |
42 | ||
43 | /* Required encryption head and tailroom */ | |
44 | #define IEEE80211_ENCRYPT_HEADROOM 8 | |
765cb46a | 45 | #define IEEE80211_ENCRYPT_TAILROOM 18 |
f0706e82 JB |
46 | |
47 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent | |
48 | * reception of at least three fragmented frames. This limit can be increased | |
49 | * by changing this define, at the cost of slower frame reassembly and | |
50 | * increased memory use (about 2 kB of RAM per entry). */ | |
51 | #define IEEE80211_FRAGMENT_MAX 4 | |
52 | ||
0a51b27e JB |
53 | /* |
54 | * Time after which we ignore scan results and no longer report/use | |
55 | * them in any way. | |
56 | */ | |
57 | #define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ) | |
58 | ||
20ad19d0 JB |
59 | #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) |
60 | ||
f0706e82 JB |
61 | struct ieee80211_fragment_entry { |
62 | unsigned long first_frag_time; | |
63 | unsigned int seq; | |
64 | unsigned int rx_queue; | |
65 | unsigned int last_frag; | |
66 | unsigned int extra_len; | |
67 | struct sk_buff_head skb_list; | |
68 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
69 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
70 | }; | |
71 | ||
72 | ||
c2b13452 | 73 | struct ieee80211_bss { |
00d3f14c JB |
74 | /* Yes, this is a hack */ |
75 | struct cfg80211_bss cbss; | |
056cdd59 | 76 | |
00d3f14c JB |
77 | /* don't want to look up all the time */ |
78 | size_t ssid_len; | |
f0706e82 | 79 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
00d3f14c | 80 | |
98f7dfd8 | 81 | u8 dtim_period; |
00d3f14c | 82 | |
43ac2ca3 | 83 | bool wmm_used; |
00d3f14c JB |
84 | |
85 | unsigned long last_probe_resp; | |
86 | ||
ee385855 LCC |
87 | #ifdef CONFIG_MAC80211_MESH |
88 | u8 *mesh_id; | |
89 | size_t mesh_id_len; | |
24736701 | 90 | u8 *mesh_cfg; |
902acc78 | 91 | #endif |
00d3f14c | 92 | |
f0706e82 JB |
93 | #define IEEE80211_MAX_SUPP_RATES 32 |
94 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
95 | size_t supp_rates_len; | |
f0706e82 | 96 | |
00d3f14c JB |
97 | /* |
98 | * During assocation, we save an ERP value from a probe response so | |
5628221c DD |
99 | * that we can feed ERP info to the driver when handling the |
100 | * association completes. these fields probably won't be up-to-date | |
00d3f14c JB |
101 | * otherwise, you probably don't want to use them. |
102 | */ | |
103 | bool has_erp_value; | |
5628221c | 104 | u8 erp_value; |
f0706e82 JB |
105 | }; |
106 | ||
c2b13452 | 107 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
902acc78 JB |
108 | { |
109 | #ifdef CONFIG_MAC80211_MESH | |
110 | return bss->mesh_cfg; | |
111 | #endif | |
112 | return NULL; | |
113 | } | |
114 | ||
c2b13452 | 115 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
902acc78 JB |
116 | { |
117 | #ifdef CONFIG_MAC80211_MESH | |
118 | return bss->mesh_id; | |
119 | #endif | |
120 | return NULL; | |
121 | } | |
122 | ||
c2b13452 | 123 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
902acc78 JB |
124 | { |
125 | #ifdef CONFIG_MAC80211_MESH | |
126 | return bss->mesh_id_len; | |
127 | #endif | |
128 | return 0; | |
129 | } | |
130 | ||
f0706e82 | 131 | |
9ae54c84 JB |
132 | typedef unsigned __bitwise__ ieee80211_tx_result; |
133 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
134 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
135 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
136 | ||
5cf121c3 JB |
137 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
138 | #define IEEE80211_TX_UNICAST BIT(1) | |
139 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
5cf121c3 JB |
140 | |
141 | struct ieee80211_tx_data { | |
142 | struct sk_buff *skb; | |
143 | struct net_device *dev; | |
144 | struct ieee80211_local *local; | |
145 | struct ieee80211_sub_if_data *sdata; | |
146 | struct sta_info *sta; | |
5cf121c3 | 147 | struct ieee80211_key *key; |
5cf121c3 | 148 | |
5cf121c3 | 149 | struct ieee80211_channel *channel; |
5cf121c3 | 150 | |
a4b7d7bd | 151 | u16 ethertype; |
056cdd59 | 152 | unsigned int flags; |
5cf121c3 JB |
153 | }; |
154 | ||
155 | ||
9ae54c84 | 156 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
157 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
158 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
159 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
160 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 161 | |
5cf121c3 | 162 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 163 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
164 | #define IEEE80211_RX_RA_MATCH BIT(1) |
165 | #define IEEE80211_RX_AMSDU BIT(2) | |
166 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) | |
167 | #define IEEE80211_RX_FRAGMENTED BIT(4) | |
168 | ||
169 | struct ieee80211_rx_data { | |
f0706e82 JB |
170 | struct sk_buff *skb; |
171 | struct net_device *dev; | |
172 | struct ieee80211_local *local; | |
173 | struct ieee80211_sub_if_data *sdata; | |
174 | struct sta_info *sta; | |
f0706e82 | 175 | struct ieee80211_key *key; |
5cf121c3 JB |
176 | struct ieee80211_rx_status *status; |
177 | struct ieee80211_rate *rate; | |
056cdd59 | 178 | |
056cdd59 | 179 | unsigned int flags; |
5cf121c3 JB |
180 | int sent_ps_buffered; |
181 | int queue; | |
5cf121c3 JB |
182 | u32 tkip_iv32; |
183 | u16 tkip_iv16; | |
f0706e82 JB |
184 | }; |
185 | ||
5dfdaf58 JB |
186 | struct beacon_data { |
187 | u8 *head, *tail; | |
188 | int head_len, tail_len; | |
189 | int dtim_period; | |
190 | }; | |
191 | ||
f0706e82 | 192 | struct ieee80211_if_ap { |
5dfdaf58 | 193 | struct beacon_data *beacon; |
f0706e82 | 194 | |
0ec3ca44 JB |
195 | struct list_head vlans; |
196 | ||
f0706e82 JB |
197 | /* yes, this looks ugly, but guarantees that we can later use |
198 | * bitmap_empty :) | |
004c872e | 199 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 200 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 201 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 202 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 203 | int dtim_count; |
f0706e82 JB |
204 | }; |
205 | ||
206 | struct ieee80211_if_wds { | |
f0706e82 | 207 | struct sta_info *sta; |
056cdd59 | 208 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
209 | }; |
210 | ||
211 | struct ieee80211_if_vlan { | |
0ec3ca44 | 212 | struct list_head list; |
f0706e82 JB |
213 | }; |
214 | ||
ee385855 LCC |
215 | struct mesh_stats { |
216 | __u32 fwded_frames; /* Mesh forwarded frames */ | |
217 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ | |
218 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
219 | atomic_t estab_plinks; | |
220 | }; | |
221 | ||
222 | #define PREQ_Q_F_START 0x1 | |
223 | #define PREQ_Q_F_REFRESH 0x2 | |
224 | struct mesh_preq_queue { | |
225 | struct list_head list; | |
226 | u8 dst[ETH_ALEN]; | |
227 | u8 flags; | |
228 | }; | |
229 | ||
46900298 | 230 | /* flags used in struct ieee80211_if_managed.flags */ |
d6f2da5b JS |
231 | #define IEEE80211_STA_SSID_SET BIT(0) |
232 | #define IEEE80211_STA_BSSID_SET BIT(1) | |
233 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) | |
234 | #define IEEE80211_STA_AUTHENTICATED BIT(3) | |
235 | #define IEEE80211_STA_ASSOCIATED BIT(4) | |
236 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) | |
237 | #define IEEE80211_STA_CREATE_IBSS BIT(6) | |
3f77316c | 238 | #define IEEE80211_STA_CONTROL_PORT BIT(7) |
d6f2da5b | 239 | #define IEEE80211_STA_WMM_ENABLED BIT(8) |
7986cf95 | 240 | /* hole at 9, please re-use */ |
d6f2da5b JS |
241 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) |
242 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) | |
243 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) | |
5b98b1f7 | 244 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
eb46936b | 245 | #define IEEE80211_STA_TKIP_WEP_USED BIT(14) |
c481ec97 | 246 | #define IEEE80211_STA_CSA_RECEIVED BIT(15) |
5394af4d | 247 | #define IEEE80211_STA_MFP_ENABLED BIT(16) |
636a5d36 | 248 | #define IEEE80211_STA_EXT_SME BIT(17) |
ccd7b362 | 249 | /* flags for MLME request */ |
48c2fc59 | 250 | #define IEEE80211_STA_REQ_SCAN 0 |
16cf438a JB |
251 | #define IEEE80211_STA_REQ_AUTH 1 |
252 | #define IEEE80211_STA_REQ_RUN 2 | |
48c2fc59 | 253 | |
48c2fc59 TW |
254 | /* bitfield of allowed auth algs */ |
255 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) | |
256 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) | |
257 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) | |
636a5d36 | 258 | #define IEEE80211_AUTH_ALG_FT BIT(3) |
48c2fc59 | 259 | |
46900298 | 260 | struct ieee80211_if_managed { |
056cdd59 | 261 | struct timer_list timer; |
c481ec97 | 262 | struct timer_list chswitch_timer; |
056cdd59 | 263 | struct work_struct work; |
c481ec97 | 264 | struct work_struct chswitch_work; |
04de8381 | 265 | struct work_struct beacon_loss_work; |
46900298 | 266 | |
056cdd59 | 267 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; |
46900298 | 268 | |
056cdd59 | 269 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
f0706e82 | 270 | size_t ssid_len; |
46900298 JB |
271 | |
272 | enum { | |
273 | IEEE80211_STA_MLME_DISABLED, | |
274 | IEEE80211_STA_MLME_DIRECT_PROBE, | |
275 | IEEE80211_STA_MLME_AUTHENTICATE, | |
276 | IEEE80211_STA_MLME_ASSOCIATE, | |
277 | IEEE80211_STA_MLME_ASSOCIATED, | |
278 | } state; | |
279 | ||
f0706e82 JB |
280 | u16 aid; |
281 | u16 ap_capab, capab; | |
282 | u8 *extra_ie; /* to be added to the end of AssocReq */ | |
283 | size_t extra_ie_len; | |
284 | ||
285 | /* The last AssocReq/Resp IEs */ | |
286 | u8 *assocreq_ies, *assocresp_ies; | |
287 | size_t assocreq_ies_len, assocresp_ies_len; | |
288 | ||
056cdd59 JB |
289 | struct sk_buff_head skb_queue; |
290 | ||
6042a3e3 | 291 | int assoc_scan_tries; /* number of scans done pre-association */ |
9859b81e | 292 | int direct_probe_tries; /* retries for direct probes */ |
6042a3e3 RR |
293 | int auth_tries; /* retries for auth req */ |
294 | int assoc_tries; /* retries for assoc req */ | |
f0706e82 | 295 | |
5bb644a0 | 296 | unsigned long timers_running; /* used for quiesce/restart */ |
965bedad JB |
297 | bool powersave; /* powersave requested for this iface */ |
298 | ||
056cdd59 JB |
299 | unsigned long request; |
300 | ||
301 | unsigned long last_probe; | |
15b7b062 | 302 | unsigned long last_beacon; |
056cdd59 | 303 | |
d6f2da5b | 304 | unsigned int flags; |
f0706e82 | 305 | |
f0706e82 JB |
306 | unsigned int auth_algs; /* bitfield of allowed auth algs */ |
307 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ | |
308 | int auth_transaction; | |
309 | ||
d91f36db JB |
310 | u32 beacon_crc; |
311 | ||
fdfacf0a JM |
312 | enum { |
313 | IEEE80211_MFP_DISABLED, | |
314 | IEEE80211_MFP_OPTIONAL, | |
315 | IEEE80211_MFP_REQUIRED | |
316 | } mfp; /* management frame protection */ | |
317 | ||
f0706e82 | 318 | int wmm_last_param_set; |
9aed3cc1 JM |
319 | |
320 | /* Extra IE data for management frames */ | |
636a5d36 JM |
321 | u8 *sme_auth_ie; |
322 | size_t sme_auth_ie_len; | |
f0706e82 JB |
323 | }; |
324 | ||
46900298 JB |
325 | enum ieee80211_ibss_request { |
326 | IEEE80211_IBSS_REQ_RUN = 0, | |
327 | }; | |
328 | ||
329 | struct ieee80211_if_ibss { | |
330 | struct timer_list timer; | |
331 | struct work_struct work; | |
332 | ||
333 | struct sk_buff_head skb_queue; | |
334 | ||
af8cdcd8 JB |
335 | unsigned long request; |
336 | unsigned long last_scan_completed; | |
5bb644a0 JB |
337 | |
338 | bool timer_running; | |
339 | ||
af8cdcd8 JB |
340 | bool fixed_bssid; |
341 | bool fixed_channel; | |
46900298 JB |
342 | |
343 | u8 bssid[ETH_ALEN]; | |
af8cdcd8 JB |
344 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
345 | u8 ssid_len, ie_len; | |
346 | u8 *ie; | |
347 | struct ieee80211_channel *channel; | |
46900298 JB |
348 | |
349 | unsigned long ibss_join_req; | |
af8cdcd8 JB |
350 | /* probe response/beacon for IBSS */ |
351 | struct sk_buff *presp, *skb; | |
46900298 JB |
352 | |
353 | enum { | |
354 | IEEE80211_IBSS_MLME_SEARCH, | |
355 | IEEE80211_IBSS_MLME_JOINED, | |
356 | } state; | |
357 | }; | |
358 | ||
472dbc45 JB |
359 | struct ieee80211_if_mesh { |
360 | struct work_struct work; | |
361 | struct timer_list housekeeping_timer; | |
362 | struct timer_list mesh_path_timer; | |
363 | struct sk_buff_head skb_queue; | |
364 | ||
5bb644a0 JB |
365 | unsigned long timers_running; |
366 | ||
472dbc45 JB |
367 | bool housekeeping; |
368 | ||
369 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
370 | size_t mesh_id_len; | |
371 | /* Active Path Selection Protocol Identifier */ | |
372 | u8 mesh_pp_id[4]; | |
373 | /* Active Path Selection Metric Identifier */ | |
374 | u8 mesh_pm_id[4]; | |
375 | /* Congestion Control Mode Identifier */ | |
376 | u8 mesh_cc_id[4]; | |
377 | /* Local mesh Destination Sequence Number */ | |
378 | u32 dsn; | |
379 | /* Last used PREQ ID */ | |
380 | u32 preq_id; | |
381 | atomic_t mpaths; | |
382 | /* Timestamp of last DSN update */ | |
383 | unsigned long last_dsn_update; | |
384 | /* Timestamp of last DSN sent */ | |
385 | unsigned long last_preq; | |
386 | struct mesh_rmc *rmc; | |
387 | spinlock_t mesh_preq_queue_lock; | |
388 | struct mesh_preq_queue preq_queue; | |
389 | int preq_queue_len; | |
390 | struct mesh_stats mshstats; | |
391 | struct mesh_config mshcfg; | |
392 | u32 mesh_seqnum; | |
393 | bool accepting_plinks; | |
472dbc45 | 394 | }; |
902acc78 JB |
395 | |
396 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
397 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
398 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 399 | #else |
472dbc45 | 400 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
401 | do { } while (0) |
402 | #endif | |
f0706e82 | 403 | |
213cd118 JB |
404 | /** |
405 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
406 | * | |
407 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
408 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
213cd118 JB |
409 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
410 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
411 | * associated stations and deliver multicast frames both | |
412 | * back to wireless media and to the local net stack. | |
413 | */ | |
414 | enum ieee80211_sub_if_data_flags { | |
415 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
416 | IEEE80211_SDATA_PROMISC = BIT(1), | |
7986cf95 JB |
417 | IEEE80211_SDATA_OPERATING_GMODE = BIT(2), |
418 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), | |
213cd118 JB |
419 | }; |
420 | ||
f0706e82 JB |
421 | struct ieee80211_sub_if_data { |
422 | struct list_head list; | |
f0706e82 JB |
423 | |
424 | struct wireless_dev wdev; | |
425 | ||
11a843b7 JB |
426 | /* keys */ |
427 | struct list_head key_list; | |
428 | ||
f0706e82 JB |
429 | struct net_device *dev; |
430 | struct ieee80211_local *local; | |
431 | ||
13262ffd | 432 | unsigned int flags; |
7e9ed188 | 433 | |
f0706e82 | 434 | int drop_unencrypted; |
f0706e82 | 435 | |
413ad50a JB |
436 | /* |
437 | * keep track of whether the HT opmode (stored in | |
438 | * vif.bss_info.ht_operation_mode) is valid. | |
439 | */ | |
440 | bool ht_opmode_valid; | |
441 | ||
f0706e82 JB |
442 | /* Fragment table for host-based reassembly */ |
443 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
444 | unsigned int fragment_next; | |
445 | ||
446 | #define NUM_DEFAULT_KEYS 4 | |
3cfcf6ac JM |
447 | #define NUM_DEFAULT_MGMT_KEYS 2 |
448 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; | |
f0706e82 | 449 | struct ieee80211_key *default_key; |
3cfcf6ac | 450 | struct ieee80211_key *default_mgmt_key; |
f0706e82 | 451 | |
94778280 JB |
452 | u16 sequence_number; |
453 | ||
471b3efd | 454 | /* |
3e122be0 JB |
455 | * AP this belongs to: self in AP mode and |
456 | * corresponding AP in VLAN mode, NULL for | |
457 | * all others (might be needed later in IBSS) | |
471b3efd | 458 | */ |
3e122be0 JB |
459 | struct ieee80211_if_ap *bss; |
460 | ||
461 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ | |
462 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ | |
f0706e82 JB |
463 | |
464 | union { | |
465 | struct ieee80211_if_ap ap; | |
466 | struct ieee80211_if_wds wds; | |
467 | struct ieee80211_if_vlan vlan; | |
46900298 JB |
468 | struct ieee80211_if_managed mgd; |
469 | struct ieee80211_if_ibss ibss; | |
472dbc45 JB |
470 | #ifdef CONFIG_MAC80211_MESH |
471 | struct ieee80211_if_mesh mesh; | |
472 | #endif | |
8cc9a739 | 473 | u32 mntr_flags; |
f0706e82 | 474 | } u; |
e9f207f0 JB |
475 | |
476 | #ifdef CONFIG_MAC80211_DEBUGFS | |
477 | struct dentry *debugfsdir; | |
478 | union { | |
479 | struct { | |
e9f207f0 | 480 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
481 | struct dentry *state; |
482 | struct dentry *bssid; | |
483 | struct dentry *prev_bssid; | |
484 | struct dentry *ssid_len; | |
485 | struct dentry *aid; | |
486 | struct dentry *ap_capab; | |
487 | struct dentry *capab; | |
488 | struct dentry *extra_ie_len; | |
489 | struct dentry *auth_tries; | |
490 | struct dentry *assoc_tries; | |
491 | struct dentry *auth_algs; | |
492 | struct dentry *auth_alg; | |
493 | struct dentry *auth_transaction; | |
494 | struct dentry *flags; | |
93015f0f JM |
495 | struct dentry *force_unicast_rateidx; |
496 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
497 | } sta; |
498 | struct { | |
e9f207f0 | 499 | struct dentry *drop_unencrypted; |
e9f207f0 | 500 | struct dentry *num_sta_ps; |
e9f207f0 | 501 | struct dentry *dtim_count; |
e9f207f0 JB |
502 | struct dentry *force_unicast_rateidx; |
503 | struct dentry *max_ratectrl_rateidx; | |
504 | struct dentry *num_buffered_multicast; | |
e9f207f0 JB |
505 | } ap; |
506 | struct { | |
e9f207f0 | 507 | struct dentry *drop_unencrypted; |
e9f207f0 | 508 | struct dentry *peer; |
93015f0f JM |
509 | struct dentry *force_unicast_rateidx; |
510 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
511 | } wds; |
512 | struct { | |
e9f207f0 | 513 | struct dentry *drop_unencrypted; |
93015f0f JM |
514 | struct dentry *force_unicast_rateidx; |
515 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
516 | } vlan; |
517 | struct { | |
518 | struct dentry *mode; | |
519 | } monitor; | |
e9f207f0 | 520 | } debugfs; |
2b58b209 JM |
521 | struct { |
522 | struct dentry *default_key; | |
3cfcf6ac | 523 | struct dentry *default_mgmt_key; |
2b58b209 | 524 | } common_debugfs; |
ee385855 LCC |
525 | |
526 | #ifdef CONFIG_MAC80211_MESH | |
527 | struct dentry *mesh_stats_dir; | |
528 | struct { | |
529 | struct dentry *fwded_frames; | |
530 | struct dentry *dropped_frames_ttl; | |
531 | struct dentry *dropped_frames_no_route; | |
532 | struct dentry *estab_plinks; | |
902acc78 | 533 | struct timer_list mesh_path_timer; |
ee385855 LCC |
534 | } mesh_stats; |
535 | ||
536 | struct dentry *mesh_config_dir; | |
537 | struct { | |
538 | struct dentry *dot11MeshRetryTimeout; | |
539 | struct dentry *dot11MeshConfirmTimeout; | |
540 | struct dentry *dot11MeshHoldingTimeout; | |
541 | struct dentry *dot11MeshMaxRetries; | |
542 | struct dentry *dot11MeshTTL; | |
543 | struct dentry *auto_open_plinks; | |
544 | struct dentry *dot11MeshMaxPeerLinks; | |
545 | struct dentry *dot11MeshHWMPactivePathTimeout; | |
546 | struct dentry *dot11MeshHWMPpreqMinInterval; | |
547 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; | |
548 | struct dentry *dot11MeshHWMPmaxPREQretries; | |
549 | struct dentry *path_refresh_time; | |
550 | struct dentry *min_discovery_timeout; | |
551 | } mesh_config; | |
552 | #endif | |
553 | ||
e9f207f0 | 554 | #endif |
32bfd35d JB |
555 | /* must be last, dynamically sized area in this! */ |
556 | struct ieee80211_vif vif; | |
f0706e82 JB |
557 | }; |
558 | ||
32bfd35d JB |
559 | static inline |
560 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
561 | { | |
562 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
563 | } | |
564 | ||
472dbc45 JB |
565 | static inline void |
566 | ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, | |
567 | u8 mesh_id_len, u8 *mesh_id) | |
568 | { | |
569 | #ifdef CONFIG_MAC80211_MESH | |
570 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
571 | ifmsh->mesh_id_len = mesh_id_len; | |
572 | memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); | |
573 | #else | |
574 | WARN_ON(1); | |
575 | #endif | |
576 | } | |
577 | ||
f0706e82 JB |
578 | enum { |
579 | IEEE80211_RX_MSG = 1, | |
580 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
581 | IEEE80211_DELBA_MSG = 3, |
582 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
583 | }; |
584 | ||
ce7c9111 KV |
585 | enum queue_stop_reason { |
586 | IEEE80211_QUEUE_STOP_REASON_DRIVER, | |
520eb820 | 587 | IEEE80211_QUEUE_STOP_REASON_PS, |
96f5e66e JB |
588 | IEEE80211_QUEUE_STOP_REASON_CSA, |
589 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, | |
25420604 | 590 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
2a577d98 | 591 | IEEE80211_QUEUE_STOP_REASON_PENDING, |
8f77f384 | 592 | IEEE80211_QUEUE_STOP_REASON_SKB_ADD, |
ce7c9111 KV |
593 | }; |
594 | ||
133b8226 JB |
595 | struct ieee80211_master_priv { |
596 | struct ieee80211_local *local; | |
597 | }; | |
598 | ||
f0706e82 JB |
599 | struct ieee80211_local { |
600 | /* embed the driver visible part. | |
601 | * don't cast (use the static inlines below), but we keep | |
602 | * it first anyway so they become a no-op */ | |
603 | struct ieee80211_hw hw; | |
604 | ||
605 | const struct ieee80211_ops *ops; | |
606 | ||
e4e72fb4 | 607 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
96f5e66e | 608 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
ce7c9111 | 609 | spinlock_t queue_stop_reason_lock; |
96f5e66e | 610 | |
f0706e82 | 611 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
f0706e82 | 612 | int open_count; |
3d30d949 | 613 | int monitors, cooked_mntrs; |
8cc9a739 MW |
614 | /* number of interfaces with corresponding FIF_ flags */ |
615 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; | |
4150c572 | 616 | unsigned int filter_flags; /* FIF_* */ |
f0706e82 | 617 | struct iw_statistics wstats; |
d0709a65 | 618 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
5bb644a0 JB |
619 | |
620 | /* | |
621 | * suspended is true if we finished all the suspend _and_ we have | |
622 | * not yet come up from resume. This is to be used by mac80211 | |
623 | * to ensure driver sanity during suspend and mac80211's own | |
624 | * sanity. It can eventually be used for WoW as well. | |
625 | */ | |
626 | bool suspended; | |
627 | ||
628 | /* | |
629 | * quiescing is true during the suspend process _only_ to | |
630 | * ease timer cancelling etc. | |
631 | */ | |
632 | bool quiescing; | |
633 | ||
b306f453 | 634 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 635 | |
f0706e82 JB |
636 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
637 | * added to skb_queue will be processed, but frames in | |
638 | * skb_queue_unreliable may be dropped if the total length of these | |
639 | * queues increases over the limit. */ | |
640 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
641 | struct tasklet_struct tasklet; | |
642 | struct sk_buff_head skb_queue; | |
643 | struct sk_buff_head skb_queue_unreliable; | |
644 | ||
d0709a65 JB |
645 | /* Station data */ |
646 | /* | |
647 | * The lock only protects the list, hash, timer and counter | |
648 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 649 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
650 | */ |
651 | spinlock_t sta_lock; | |
652 | unsigned long num_sta; | |
f0706e82 | 653 | struct list_head sta_list; |
f0706e82 JB |
654 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
655 | struct timer_list sta_cleanup; | |
656 | ||
2a577d98 | 657 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
658 | struct tasklet_struct tx_pending_tasklet; |
659 | ||
cd8ffc80 JB |
660 | /* |
661 | * This lock is used to prevent concurrent A-MPDU | |
662 | * session start/stop processing, this thus also | |
663 | * synchronises the ->ampdu_action() callback to | |
664 | * drivers and limits it to one at a time. | |
665 | */ | |
666 | spinlock_t ampdu_lock; | |
667 | ||
53918994 JB |
668 | /* number of interfaces with corresponding IFF_ flags */ |
669 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
670 | |
671 | struct rate_control_ref *rate_ctrl; | |
672 | ||
f0706e82 JB |
673 | struct crypto_blkcipher *wep_tx_tfm; |
674 | struct crypto_blkcipher *wep_rx_tfm; | |
675 | u32 wep_iv; | |
f0706e82 | 676 | |
c771c9d8 | 677 | /* see iface.c */ |
79010420 | 678 | struct list_head interfaces; |
c771c9d8 | 679 | struct mutex iflist_mtx; |
79010420 | 680 | |
b16bd15c JB |
681 | /* |
682 | * Key lock, protects sdata's key_list and sta_info's | |
683 | * key pointers (write access, they're RCU.) | |
684 | */ | |
685 | spinlock_t key_lock; | |
686 | ||
687 | ||
c2b13452 | 688 | /* Scanning and BSS list */ |
f3b85252 | 689 | struct mutex scan_mtx; |
c2b13452 | 690 | bool sw_scanning, hw_scanning; |
2a519311 JB |
691 | struct cfg80211_ssid scan_ssid; |
692 | struct cfg80211_scan_request int_scan_req; | |
693 | struct cfg80211_scan_request *scan_req; | |
694 | struct ieee80211_channel *scan_channel; | |
de95a54b JB |
695 | const u8 *orig_ies; |
696 | int orig_ies_len; | |
f0706e82 | 697 | int scan_channel_idx; |
de95a54b | 698 | int scan_ies_len; |
8318d78a | 699 | |
f0706e82 | 700 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
f0706e82 | 701 | struct delayed_work scan_work; |
491775a5 | 702 | struct ieee80211_sub_if_data *scan_sdata; |
094d05dc | 703 | enum nl80211_channel_type oper_channel_type; |
2a519311 | 704 | struct ieee80211_channel *oper_channel, *csa_channel; |
f0706e82 JB |
705 | |
706 | /* SNMP counters */ | |
707 | /* dot11CountersTable */ | |
708 | u32 dot11TransmittedFragmentCount; | |
709 | u32 dot11MulticastTransmittedFrameCount; | |
710 | u32 dot11FailedCount; | |
711 | u32 dot11RetryCount; | |
712 | u32 dot11MultipleRetryCount; | |
713 | u32 dot11FrameDuplicateCount; | |
714 | u32 dot11ReceivedFragmentCount; | |
715 | u32 dot11MulticastReceivedFrameCount; | |
716 | u32 dot11TransmittedFrameCount; | |
f0706e82 JB |
717 | |
718 | #ifdef CONFIG_MAC80211_LEDS | |
719 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
720 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
721 | char tx_led_name[32], rx_led_name[32], | |
722 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
723 | #endif |
724 | ||
e9f207f0 JB |
725 | #ifdef CONFIG_MAC80211_DEBUGFS |
726 | struct work_struct sta_debugfs_add; | |
727 | #endif | |
728 | ||
f0706e82 JB |
729 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
730 | /* TX/RX handler statistics */ | |
731 | unsigned int tx_handlers_drop; | |
732 | unsigned int tx_handlers_queued; | |
733 | unsigned int tx_handlers_drop_unencrypted; | |
734 | unsigned int tx_handlers_drop_fragment; | |
735 | unsigned int tx_handlers_drop_wep; | |
736 | unsigned int tx_handlers_drop_not_assoc; | |
737 | unsigned int tx_handlers_drop_unauth_port; | |
738 | unsigned int rx_handlers_drop; | |
739 | unsigned int rx_handlers_queued; | |
740 | unsigned int rx_handlers_drop_nullfunc; | |
741 | unsigned int rx_handlers_drop_defrag; | |
742 | unsigned int rx_handlers_drop_short; | |
743 | unsigned int rx_handlers_drop_passive_scan; | |
744 | unsigned int tx_expand_skb_head; | |
745 | unsigned int tx_expand_skb_head_cloned; | |
746 | unsigned int rx_expand_skb_head; | |
747 | unsigned int rx_expand_skb_head2; | |
748 | unsigned int rx_handlers_fragments; | |
749 | unsigned int tx_status_drop; | |
f0706e82 JB |
750 | #define I802_DEBUG_INC(c) (c)++ |
751 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
752 | #define I802_DEBUG_INC(c) do { } while (0) | |
753 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
754 | ||
755 | ||
f0706e82 JB |
756 | int total_ps_buffered; /* total number of all buffered unicast and |
757 | * multicast packets for power saving stations | |
758 | */ | |
f0706e82 JB |
759 | int wifi_wme_noack_test; |
760 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
520eb820 | 761 | |
572e0012 | 762 | bool pspolling; |
965bedad JB |
763 | /* |
764 | * PS can only be enabled when we have exactly one managed | |
765 | * interface (and monitors) in PS, this then points there. | |
766 | */ | |
767 | struct ieee80211_sub_if_data *ps_sdata; | |
520eb820 KV |
768 | struct work_struct dynamic_ps_enable_work; |
769 | struct work_struct dynamic_ps_disable_work; | |
770 | struct timer_list dynamic_ps_timer; | |
10f644a4 | 771 | struct notifier_block network_latency_notifier; |
f0706e82 | 772 | |
2bf30fab | 773 | int user_power_level; /* in dBm */ |
a8302de9 | 774 | int power_constr_level; /* in dBm */ |
2bf30fab | 775 | |
f2753ddb JB |
776 | struct work_struct restart_work; |
777 | ||
e9f207f0 JB |
778 | #ifdef CONFIG_MAC80211_DEBUGFS |
779 | struct local_debugfsdentries { | |
4b7679a5 JB |
780 | struct dentry *rcdir; |
781 | struct dentry *rcname; | |
e9f207f0 | 782 | struct dentry *frequency; |
e9f207f0 | 783 | struct dentry *total_ps_buffered; |
e9f207f0 | 784 | struct dentry *wep_iv; |
ae54c985 | 785 | struct dentry *tsf; |
db2e6bd4 | 786 | struct dentry *queues; |
827b1fb4 | 787 | struct dentry *reset; |
d3707d99 | 788 | struct dentry *noack; |
e9f207f0 JB |
789 | struct dentry *statistics; |
790 | struct local_debugfsdentries_statsdentries { | |
791 | struct dentry *transmitted_fragment_count; | |
792 | struct dentry *multicast_transmitted_frame_count; | |
793 | struct dentry *failed_count; | |
794 | struct dentry *retry_count; | |
795 | struct dentry *multiple_retry_count; | |
796 | struct dentry *frame_duplicate_count; | |
797 | struct dentry *received_fragment_count; | |
798 | struct dentry *multicast_received_frame_count; | |
799 | struct dentry *transmitted_frame_count; | |
800 | struct dentry *wep_undecryptable_count; | |
801 | struct dentry *num_scans; | |
802 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS | |
803 | struct dentry *tx_handlers_drop; | |
804 | struct dentry *tx_handlers_queued; | |
805 | struct dentry *tx_handlers_drop_unencrypted; | |
806 | struct dentry *tx_handlers_drop_fragment; | |
807 | struct dentry *tx_handlers_drop_wep; | |
808 | struct dentry *tx_handlers_drop_not_assoc; | |
809 | struct dentry *tx_handlers_drop_unauth_port; | |
810 | struct dentry *rx_handlers_drop; | |
811 | struct dentry *rx_handlers_queued; | |
812 | struct dentry *rx_handlers_drop_nullfunc; | |
813 | struct dentry *rx_handlers_drop_defrag; | |
814 | struct dentry *rx_handlers_drop_short; | |
815 | struct dentry *rx_handlers_drop_passive_scan; | |
816 | struct dentry *tx_expand_skb_head; | |
817 | struct dentry *tx_expand_skb_head_cloned; | |
818 | struct dentry *rx_expand_skb_head; | |
819 | struct dentry *rx_expand_skb_head2; | |
820 | struct dentry *rx_handlers_fragments; | |
821 | struct dentry *tx_status_drop; | |
e9f207f0 JB |
822 | #endif |
823 | struct dentry *dot11ACKFailureCount; | |
824 | struct dentry *dot11RTSFailureCount; | |
825 | struct dentry *dot11FCSErrorCount; | |
826 | struct dentry *dot11RTSSuccessCount; | |
827 | } stats; | |
828 | struct dentry *stations; | |
829 | struct dentry *keys; | |
830 | } debugfs; | |
831 | #endif | |
f0706e82 JB |
832 | }; |
833 | ||
3e122be0 JB |
834 | static inline struct ieee80211_sub_if_data * |
835 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
836 | { | |
837 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
838 | ||
839 | BUG_ON(!local || local->mdev == dev); | |
840 | ||
841 | return netdev_priv(dev); | |
842 | } | |
843 | ||
eadc8d9e RR |
844 | /* this struct represents 802.11n's RA/TID combination */ |
845 | struct ieee80211_ra_tid { | |
846 | u8 ra[ETH_ALEN]; | |
847 | u16 tid; | |
848 | }; | |
849 | ||
ee385855 LCC |
850 | /* Parsed Information Elements */ |
851 | struct ieee802_11_elems { | |
43ac2ca3 JM |
852 | u8 *ie_start; |
853 | size_t total_len; | |
854 | ||
ee385855 LCC |
855 | /* pointers to IEs */ |
856 | u8 *ssid; | |
857 | u8 *supp_rates; | |
858 | u8 *fh_params; | |
859 | u8 *ds_params; | |
860 | u8 *cf_params; | |
e7ec86f5 | 861 | struct ieee80211_tim_ie *tim; |
ee385855 LCC |
862 | u8 *ibss_params; |
863 | u8 *challenge; | |
864 | u8 *wpa; | |
865 | u8 *rsn; | |
866 | u8 *erp_info; | |
867 | u8 *ext_supp_rates; | |
868 | u8 *wmm_info; | |
869 | u8 *wmm_param; | |
09914813 | 870 | struct ieee80211_ht_cap *ht_cap_elem; |
d9fe60de | 871 | struct ieee80211_ht_info *ht_info_elem; |
ee385855 LCC |
872 | u8 *mesh_config; |
873 | u8 *mesh_id; | |
874 | u8 *peer_link; | |
875 | u8 *preq; | |
876 | u8 *prep; | |
877 | u8 *perr; | |
f2df3859 AK |
878 | u8 *ch_switch_elem; |
879 | u8 *country_elem; | |
880 | u8 *pwr_constr_elem; | |
881 | u8 *quiet_elem; /* first quite element */ | |
f797eb7e | 882 | u8 *timeout_int; |
ee385855 LCC |
883 | |
884 | /* length of them, respectively */ | |
885 | u8 ssid_len; | |
886 | u8 supp_rates_len; | |
887 | u8 fh_params_len; | |
888 | u8 ds_params_len; | |
889 | u8 cf_params_len; | |
890 | u8 tim_len; | |
891 | u8 ibss_params_len; | |
892 | u8 challenge_len; | |
893 | u8 wpa_len; | |
894 | u8 rsn_len; | |
895 | u8 erp_info_len; | |
896 | u8 ext_supp_rates_len; | |
897 | u8 wmm_info_len; | |
898 | u8 wmm_param_len; | |
ee385855 LCC |
899 | u8 mesh_config_len; |
900 | u8 mesh_id_len; | |
901 | u8 peer_link_len; | |
902 | u8 preq_len; | |
903 | u8 prep_len; | |
904 | u8 perr_len; | |
f2df3859 AK |
905 | u8 ch_switch_elem_len; |
906 | u8 country_elem_len; | |
907 | u8 pwr_constr_elem_len; | |
908 | u8 quiet_elem_len; | |
909 | u8 num_of_quiet_elem; /* can be more the one */ | |
f797eb7e | 910 | u8 timeout_int_len; |
ee385855 LCC |
911 | }; |
912 | ||
f0706e82 JB |
913 | static inline struct ieee80211_local *hw_to_local( |
914 | struct ieee80211_hw *hw) | |
915 | { | |
916 | return container_of(hw, struct ieee80211_local, hw); | |
917 | } | |
918 | ||
919 | static inline struct ieee80211_hw *local_to_hw( | |
920 | struct ieee80211_local *local) | |
921 | { | |
922 | return &local->hw; | |
923 | } | |
924 | ||
f0706e82 | 925 | |
571ecf67 JB |
926 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
927 | { | |
928 | return compare_ether_addr(raddr, addr) == 0 || | |
929 | is_broadcast_ether_addr(raddr); | |
930 | } | |
931 | ||
932 | ||
e8975581 | 933 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
5cf121c3 | 934 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
9c6bd790 JB |
935 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
936 | u32 changed); | |
0d143fe1 | 937 | void ieee80211_configure_filter(struct ieee80211_local *local); |
46900298 | 938 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
f0706e82 | 939 | |
9c6bd790 | 940 | /* wireless extensions */ |
f0706e82 | 941 | extern const struct iw_handler_def ieee80211_iw_handler_def; |
65b53e4c | 942 | |
46900298 | 943 | /* STA code */ |
9c6bd790 | 944 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
46900298 JB |
945 | ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, |
946 | struct sk_buff *skb, | |
947 | struct ieee80211_rx_status *rx_status); | |
79f6440c | 948 | int ieee80211_sta_commit(struct ieee80211_sub_if_data *sdata); |
f698d856 JBG |
949 | int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); |
950 | int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); | |
951 | int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); | |
46900298 | 952 | void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata); |
f698d856 JBG |
953 | int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason); |
954 | int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason); | |
572e0012 KV |
955 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
956 | struct ieee80211_sub_if_data *sdata); | |
10f644a4 JB |
957 | void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); |
958 | int ieee80211_max_network_latency(struct notifier_block *nb, | |
959 | unsigned long data, void *dummy); | |
cc32abd4 JB |
960 | void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, |
961 | struct ieee80211_channel_sw_ie *sw_elem, | |
962 | struct ieee80211_bss *bss); | |
5bb644a0 JB |
963 | void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); |
964 | void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); | |
9c6bd790 | 965 | |
46900298 | 966 | /* IBSS code */ |
46900298 JB |
967 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); |
968 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
969 | ieee80211_rx_result | |
970 | ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, | |
971 | struct ieee80211_rx_status *rx_status); | |
972 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, | |
973 | u8 *bssid, u8 *addr, u32 supp_rates); | |
af8cdcd8 JB |
974 | int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, |
975 | struct cfg80211_ibss_params *params); | |
976 | int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); | |
5bb644a0 JB |
977 | void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); |
978 | void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); | |
46900298 | 979 | |
9c6bd790 | 980 | /* scan/BSS handling */ |
46900298 | 981 | void ieee80211_scan_work(struct work_struct *work); |
f3b85252 JB |
982 | int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, |
983 | const u8 *ssid, u8 ssid_len); | |
c2b13452 | 984 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
2a519311 | 985 | struct cfg80211_scan_request *req); |
c2b13452 JB |
986 | int ieee80211_scan_results(struct ieee80211_local *local, |
987 | struct iw_request_info *info, | |
988 | char *buf, size_t len); | |
5bb644a0 | 989 | void ieee80211_scan_cancel(struct ieee80211_local *local); |
c2b13452 JB |
990 | ieee80211_rx_result |
991 | ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, | |
992 | struct sk_buff *skb, | |
993 | struct ieee80211_rx_status *rx_status); | |
c2b13452 | 994 | int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, |
636a5d36 | 995 | const char *ie, size_t len); |
9c6bd790 | 996 | |
0a51b27e | 997 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
c2b13452 | 998 | struct ieee80211_bss * |
98c8fccf JB |
999 | ieee80211_bss_info_update(struct ieee80211_local *local, |
1000 | struct ieee80211_rx_status *rx_status, | |
1001 | struct ieee80211_mgmt *mgmt, | |
1002 | size_t len, | |
1003 | struct ieee802_11_elems *elems, | |
2a519311 JB |
1004 | struct ieee80211_channel *channel, |
1005 | bool beacon); | |
c2b13452 | 1006 | struct ieee80211_bss * |
5484e237 JB |
1007 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, |
1008 | u8 *ssid, u8 ssid_len); | |
98c8fccf | 1009 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 1010 | struct ieee80211_bss *bss); |
7a947080 VT |
1011 | void ieee80211_rx_bss_remove(struct ieee80211_sub_if_data *sdata, u8 *bssid, |
1012 | int freq, u8 *ssid, u8 ssid_len); | |
ee385855 | 1013 | |
3e122be0 JB |
1014 | /* interface handling */ |
1015 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, | |
05c914fe | 1016 | struct net_device **new_dev, enum nl80211_iftype type, |
ee385855 | 1017 | struct vif_params *params); |
f3947e2d | 1018 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
05c914fe | 1019 | enum nl80211_iftype type); |
f698d856 | 1020 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 1021 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
5cff20e6 JB |
1022 | u32 __ieee80211_recalc_idle(struct ieee80211_local *local); |
1023 | void ieee80211_recalc_idle(struct ieee80211_local *local); | |
f0706e82 | 1024 | |
e2ebc74d | 1025 | /* tx handling */ |
e2ebc74d JB |
1026 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
1027 | void ieee80211_tx_pending(unsigned long data); | |
1028 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
1029 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
1030 | int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
e2ebc74d | 1031 | |
de1ede7a | 1032 | /* HT */ |
ae5eb026 JB |
1033 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, |
1034 | struct ieee80211_ht_cap *ht_cap_ie, | |
d9fe60de | 1035 | struct ieee80211_sta_ht_cap *ht_cap); |
de1ede7a | 1036 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); |
b8695a8f JB |
1037 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
1038 | const u8 *da, u16 tid, | |
1039 | u16 initiator, u16 reason_code); | |
de1ede7a JB |
1040 | |
1041 | void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da, | |
1042 | u16 tid, u16 initiator, u16 reason); | |
849b7967 JB |
1043 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
1044 | u16 initiator, u16 reason); | |
2dace10e | 1045 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta); |
de1ede7a JB |
1046 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
1047 | struct sta_info *sta, | |
1048 | struct ieee80211_mgmt *mgmt, size_t len); | |
1049 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
1050 | struct sta_info *sta, | |
1051 | struct ieee80211_mgmt *mgmt, | |
1052 | size_t len); | |
1053 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
1054 | struct sta_info *sta, | |
1055 | struct ieee80211_mgmt *mgmt, | |
1056 | size_t len); | |
1057 | ||
849b7967 JB |
1058 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
1059 | enum ieee80211_back_parties initiator); | |
1060 | ||
39192c0b JB |
1061 | /* Spectrum management */ |
1062 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
1063 | struct ieee80211_mgmt *mgmt, | |
1064 | size_t len); | |
1065 | ||
f2753ddb JB |
1066 | /* Suspend/resume and hw reconfiguration */ |
1067 | int ieee80211_reconfig(struct ieee80211_local *local); | |
1068 | ||
827b1fb4 | 1069 | #ifdef CONFIG_PM |
665af4fc | 1070 | int __ieee80211_suspend(struct ieee80211_hw *hw); |
f2753ddb JB |
1071 | |
1072 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) | |
1073 | { | |
1074 | return ieee80211_reconfig(hw_to_local(hw)); | |
1075 | } | |
827b1fb4 JB |
1076 | #else |
1077 | static inline int __ieee80211_suspend(struct ieee80211_hw *hw) | |
1078 | { | |
1079 | return 0; | |
1080 | } | |
f2753ddb | 1081 | |
827b1fb4 JB |
1082 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) |
1083 | { | |
1084 | return 0; | |
1085 | } | |
1086 | #endif | |
665af4fc | 1087 | |
c2d1560a JB |
1088 | /* utility functions/constants */ |
1089 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
71364716 | 1090 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
05c914fe | 1091 | enum nl80211_iftype type); |
c2d1560a JB |
1092 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
1093 | int rate, int erp, int short_preamble); | |
f698d856 | 1094 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
a3b8b056 | 1095 | struct ieee80211_hdr *hdr, const u8 *tsc); |
5825fe10 | 1096 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); |
e50db65c JB |
1097 | void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
1098 | int encrypt); | |
9c6bd790 JB |
1099 | void ieee802_11_parse_elems(u8 *start, size_t len, |
1100 | struct ieee802_11_elems *elems); | |
d91f36db JB |
1101 | u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, |
1102 | struct ieee802_11_elems *elems, | |
1103 | u64 filter, u32 crc); | |
881d948c | 1104 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
96dd22ac | 1105 | enum ieee80211_band band); |
f0706e82 | 1106 | |
520eb820 KV |
1107 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
1108 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); | |
1109 | void ieee80211_dynamic_ps_timer(unsigned long data); | |
a97b77b9 VN |
1110 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
1111 | struct ieee80211_sub_if_data *sdata, | |
1112 | int powersave); | |
3cf335d5 KV |
1113 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
1114 | struct ieee80211_hdr *hdr); | |
04de8381 | 1115 | void ieee80211_beacon_loss_work(struct work_struct *work); |
520eb820 | 1116 | |
ce7c9111 KV |
1117 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
1118 | enum queue_stop_reason reason); | |
1119 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, | |
1120 | enum queue_stop_reason reason); | |
96f5e66e JB |
1121 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
1122 | enum queue_stop_reason reason); | |
1123 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, | |
1124 | enum queue_stop_reason reason); | |
8f77f384 JB |
1125 | void ieee80211_add_pending_skb(struct ieee80211_local *local, |
1126 | struct sk_buff *skb); | |
1127 | int ieee80211_add_pending_skbs(struct ieee80211_local *local, | |
1128 | struct sk_buff_head *skbs); | |
ce7c9111 | 1129 | |
46900298 JB |
1130 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
1131 | u16 transaction, u16 auth_alg, | |
1132 | u8 *extra, size_t extra_len, | |
1133 | const u8 *bssid, int encrypt); | |
de95a54b JB |
1134 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
1135 | const u8 *ie, size_t ie_len); | |
46900298 | 1136 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
de95a54b JB |
1137 | const u8 *ssid, size_t ssid_len, |
1138 | const u8 *ie, size_t ie_len); | |
46900298 JB |
1139 | |
1140 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, | |
1141 | const size_t supp_rates_len, | |
1142 | const u8 *supp_rates); | |
1143 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, | |
1144 | struct ieee802_11_elems *elems, | |
1145 | enum ieee80211_band band); | |
1146 | ||
f4ea83dd | 1147 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1148 | #define debug_noinline noinline |
1149 | #else | |
1150 | #define debug_noinline | |
1151 | #endif | |
1152 | ||
f0706e82 | 1153 | #endif /* IEEE80211_I_H */ |