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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> |
51cb6db0 | 27 | #include <net/mac80211.h> |
2c8dccc7 | 28 | #include "key.h" |
f0706e82 JB |
29 | #include "sta_info.h" |
30 | ||
9cfb0009 | 31 | struct ieee80211_local; |
f0706e82 JB |
32 | |
33 | /* Maximum number of broadcast/multicast frames to buffer when some of the | |
34 | * associated stations are using power saving. */ | |
35 | #define AP_MAX_BC_BUFFER 128 | |
36 | ||
37 | /* Maximum number of frames buffered to all STAs, including multicast frames. | |
38 | * Note: increasing this limit increases the potential memory requirement. Each | |
39 | * frame can be up to about 2 kB long. */ | |
40 | #define TOTAL_MAX_TX_BUFFER 512 | |
41 | ||
42 | /* Required encryption head and tailroom */ | |
43 | #define IEEE80211_ENCRYPT_HEADROOM 8 | |
765cb46a | 44 | #define IEEE80211_ENCRYPT_TAILROOM 18 |
f0706e82 JB |
45 | |
46 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent | |
47 | * reception of at least three fragmented frames. This limit can be increased | |
48 | * by changing this define, at the cost of slower frame reassembly and | |
49 | * increased memory use (about 2 kB of RAM per entry). */ | |
50 | #define IEEE80211_FRAGMENT_MAX 4 | |
51 | ||
0a51b27e JB |
52 | /* |
53 | * Time after which we ignore scan results and no longer report/use | |
54 | * them in any way. | |
55 | */ | |
56 | #define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ) | |
57 | ||
20ad19d0 JB |
58 | #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) |
59 | ||
f0706e82 JB |
60 | struct ieee80211_fragment_entry { |
61 | unsigned long first_frag_time; | |
62 | unsigned int seq; | |
63 | unsigned int rx_queue; | |
64 | unsigned int last_frag; | |
65 | unsigned int extra_len; | |
66 | struct sk_buff_head skb_list; | |
67 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
68 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
69 | }; | |
70 | ||
71 | ||
c2b13452 | 72 | struct ieee80211_bss { |
00d3f14c JB |
73 | /* Yes, this is a hack */ |
74 | struct cfg80211_bss cbss; | |
056cdd59 | 75 | |
00d3f14c JB |
76 | /* don't want to look up all the time */ |
77 | size_t ssid_len; | |
f0706e82 | 78 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
00d3f14c | 79 | |
98f7dfd8 | 80 | u8 dtim_period; |
00d3f14c | 81 | |
43ac2ca3 | 82 | bool wmm_used; |
00d3f14c JB |
83 | |
84 | unsigned long last_probe_resp; | |
85 | ||
ee385855 LCC |
86 | #ifdef CONFIG_MAC80211_MESH |
87 | u8 *mesh_id; | |
88 | size_t mesh_id_len; | |
24736701 | 89 | u8 *mesh_cfg; |
902acc78 | 90 | #endif |
00d3f14c | 91 | |
f0706e82 JB |
92 | #define IEEE80211_MAX_SUPP_RATES 32 |
93 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
94 | size_t supp_rates_len; | |
f0706e82 | 95 | |
00d3f14c JB |
96 | /* |
97 | * During assocation, we save an ERP value from a probe response so | |
5628221c DD |
98 | * that we can feed ERP info to the driver when handling the |
99 | * association completes. these fields probably won't be up-to-date | |
00d3f14c JB |
100 | * otherwise, you probably don't want to use them. |
101 | */ | |
102 | bool has_erp_value; | |
5628221c | 103 | u8 erp_value; |
f0706e82 JB |
104 | }; |
105 | ||
c2b13452 | 106 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
902acc78 JB |
107 | { |
108 | #ifdef CONFIG_MAC80211_MESH | |
109 | return bss->mesh_cfg; | |
110 | #endif | |
111 | return NULL; | |
112 | } | |
113 | ||
c2b13452 | 114 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
902acc78 JB |
115 | { |
116 | #ifdef CONFIG_MAC80211_MESH | |
117 | return bss->mesh_id; | |
118 | #endif | |
119 | return NULL; | |
120 | } | |
121 | ||
c2b13452 | 122 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
902acc78 JB |
123 | { |
124 | #ifdef CONFIG_MAC80211_MESH | |
125 | return bss->mesh_id_len; | |
126 | #endif | |
127 | return 0; | |
128 | } | |
129 | ||
f0706e82 | 130 | |
9ae54c84 JB |
131 | typedef unsigned __bitwise__ ieee80211_tx_result; |
132 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
133 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
134 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
135 | ||
5cf121c3 JB |
136 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
137 | #define IEEE80211_TX_UNICAST BIT(1) | |
138 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
5cf121c3 JB |
139 | |
140 | struct ieee80211_tx_data { | |
141 | struct sk_buff *skb; | |
142 | struct net_device *dev; | |
143 | struct ieee80211_local *local; | |
144 | struct ieee80211_sub_if_data *sdata; | |
145 | struct sta_info *sta; | |
5cf121c3 | 146 | struct ieee80211_key *key; |
5cf121c3 | 147 | |
5cf121c3 | 148 | struct ieee80211_channel *channel; |
5cf121c3 | 149 | |
a4b7d7bd | 150 | u16 ethertype; |
056cdd59 | 151 | unsigned int flags; |
5cf121c3 JB |
152 | }; |
153 | ||
154 | ||
9ae54c84 | 155 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
156 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
157 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
158 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
159 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 160 | |
5cf121c3 | 161 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 162 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
163 | #define IEEE80211_RX_RA_MATCH BIT(1) |
164 | #define IEEE80211_RX_AMSDU BIT(2) | |
165 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) | |
166 | #define IEEE80211_RX_FRAGMENTED BIT(4) | |
167 | ||
168 | struct ieee80211_rx_data { | |
f0706e82 JB |
169 | struct sk_buff *skb; |
170 | struct net_device *dev; | |
171 | struct ieee80211_local *local; | |
172 | struct ieee80211_sub_if_data *sdata; | |
173 | struct sta_info *sta; | |
f0706e82 | 174 | struct ieee80211_key *key; |
5cf121c3 JB |
175 | struct ieee80211_rx_status *status; |
176 | struct ieee80211_rate *rate; | |
056cdd59 | 177 | |
056cdd59 | 178 | unsigned int flags; |
5cf121c3 | 179 | int queue; |
5cf121c3 JB |
180 | u32 tkip_iv32; |
181 | u16 tkip_iv16; | |
f0706e82 JB |
182 | }; |
183 | ||
5dfdaf58 JB |
184 | struct beacon_data { |
185 | u8 *head, *tail; | |
186 | int head_len, tail_len; | |
187 | int dtim_period; | |
188 | }; | |
189 | ||
f0706e82 | 190 | struct ieee80211_if_ap { |
5dfdaf58 | 191 | struct beacon_data *beacon; |
f0706e82 | 192 | |
0ec3ca44 JB |
193 | struct list_head vlans; |
194 | ||
f0706e82 JB |
195 | /* yes, this looks ugly, but guarantees that we can later use |
196 | * bitmap_empty :) | |
004c872e | 197 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 198 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 199 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 200 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 201 | int dtim_count; |
f0706e82 JB |
202 | }; |
203 | ||
204 | struct ieee80211_if_wds { | |
f0706e82 | 205 | struct sta_info *sta; |
056cdd59 | 206 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
207 | }; |
208 | ||
209 | struct ieee80211_if_vlan { | |
0ec3ca44 | 210 | struct list_head list; |
f14543ee FF |
211 | |
212 | /* used for all tx if the VLAN is configured to 4-addr mode */ | |
213 | struct sta_info *sta; | |
f0706e82 JB |
214 | }; |
215 | ||
ee385855 | 216 | struct mesh_stats { |
c8a61a7d DW |
217 | __u32 fwded_mcast; /* Mesh forwarded multicast frames */ |
218 | __u32 fwded_unicast; /* Mesh forwarded unicast frames */ | |
219 | __u32 fwded_frames; /* Mesh total forwarded frames */ | |
ee385855 LCC |
220 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
221 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
222 | atomic_t estab_plinks; | |
223 | }; | |
224 | ||
225 | #define PREQ_Q_F_START 0x1 | |
226 | #define PREQ_Q_F_REFRESH 0x2 | |
227 | struct mesh_preq_queue { | |
228 | struct list_head list; | |
229 | u8 dst[ETH_ALEN]; | |
230 | u8 flags; | |
231 | }; | |
232 | ||
77fdaa12 JB |
233 | enum ieee80211_mgd_state { |
234 | IEEE80211_MGD_STATE_IDLE, | |
235 | IEEE80211_MGD_STATE_PROBE, | |
236 | IEEE80211_MGD_STATE_AUTH, | |
237 | IEEE80211_MGD_STATE_ASSOC, | |
238 | }; | |
239 | ||
240 | struct ieee80211_mgd_work { | |
241 | struct list_head list; | |
242 | struct ieee80211_bss *bss; | |
243 | int ie_len; | |
244 | u8 prev_bssid[ETH_ALEN]; | |
245 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
246 | u8 ssid_len; | |
247 | unsigned long timeout; | |
248 | enum ieee80211_mgd_state state; | |
249 | u16 auth_alg, auth_transaction; | |
250 | ||
251 | int tries; | |
252 | ||
fffd0934 JB |
253 | u8 key[WLAN_KEY_LEN_WEP104]; |
254 | u8 key_len, key_idx; | |
255 | ||
77fdaa12 JB |
256 | /* must be last */ |
257 | u8 ie[0]; /* for auth or assoc frame, not probe */ | |
258 | }; | |
259 | ||
46900298 | 260 | /* flags used in struct ieee80211_if_managed.flags */ |
ab1faead | 261 | enum ieee80211_sta_flags { |
b291ba11 JB |
262 | IEEE80211_STA_BEACON_POLL = BIT(0), |
263 | IEEE80211_STA_CONNECTION_POLL = BIT(1), | |
264 | IEEE80211_STA_CONTROL_PORT = BIT(2), | |
265 | IEEE80211_STA_WMM_ENABLED = BIT(3), | |
266 | IEEE80211_STA_DISABLE_11N = BIT(4), | |
267 | IEEE80211_STA_CSA_RECEIVED = BIT(5), | |
268 | IEEE80211_STA_MFP_ENABLED = BIT(6), | |
ab1faead JB |
269 | }; |
270 | ||
ccd7b362 | 271 | /* flags for MLME request */ |
ab1faead JB |
272 | enum ieee80211_sta_request { |
273 | IEEE80211_STA_REQ_SCAN, | |
ab1faead | 274 | }; |
48c2fc59 | 275 | |
46900298 | 276 | struct ieee80211_if_managed { |
056cdd59 | 277 | struct timer_list timer; |
b291ba11 JB |
278 | struct timer_list conn_mon_timer; |
279 | struct timer_list bcn_mon_timer; | |
c481ec97 | 280 | struct timer_list chswitch_timer; |
056cdd59 | 281 | struct work_struct work; |
b291ba11 | 282 | struct work_struct monitor_work; |
c481ec97 | 283 | struct work_struct chswitch_work; |
04de8381 | 284 | struct work_struct beacon_loss_work; |
46900298 | 285 | |
b291ba11 | 286 | unsigned long probe_timeout; |
a43abf29 | 287 | int probe_send_count; |
b291ba11 | 288 | |
77fdaa12 JB |
289 | struct mutex mtx; |
290 | struct ieee80211_bss *associated; | |
e21546a2 | 291 | struct ieee80211_mgd_work *old_associate_work; |
77fdaa12 | 292 | struct list_head work_list; |
46900298 | 293 | |
77fdaa12 | 294 | u8 bssid[ETH_ALEN]; |
46900298 | 295 | |
f0706e82 | 296 | u16 aid; |
a7c1cfc9 | 297 | u16 capab; |
f0706e82 | 298 | |
056cdd59 JB |
299 | struct sk_buff_head skb_queue; |
300 | ||
5bb644a0 | 301 | unsigned long timers_running; /* used for quiesce/restart */ |
965bedad JB |
302 | bool powersave; /* powersave requested for this iface */ |
303 | ||
056cdd59 JB |
304 | unsigned long request; |
305 | ||
d6f2da5b | 306 | unsigned int flags; |
f0706e82 | 307 | |
d91f36db JB |
308 | u32 beacon_crc; |
309 | ||
fdfacf0a JM |
310 | enum { |
311 | IEEE80211_MFP_DISABLED, | |
312 | IEEE80211_MFP_OPTIONAL, | |
313 | IEEE80211_MFP_REQUIRED | |
314 | } mfp; /* management frame protection */ | |
315 | ||
f0706e82 JB |
316 | int wmm_last_param_set; |
317 | }; | |
318 | ||
46900298 JB |
319 | enum ieee80211_ibss_request { |
320 | IEEE80211_IBSS_REQ_RUN = 0, | |
321 | }; | |
322 | ||
323 | struct ieee80211_if_ibss { | |
324 | struct timer_list timer; | |
325 | struct work_struct work; | |
326 | ||
327 | struct sk_buff_head skb_queue; | |
328 | ||
af8cdcd8 JB |
329 | unsigned long request; |
330 | unsigned long last_scan_completed; | |
5bb644a0 JB |
331 | |
332 | bool timer_running; | |
333 | ||
af8cdcd8 JB |
334 | bool fixed_bssid; |
335 | bool fixed_channel; | |
fffd0934 | 336 | bool privacy; |
46900298 JB |
337 | |
338 | u8 bssid[ETH_ALEN]; | |
af8cdcd8 JB |
339 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
340 | u8 ssid_len, ie_len; | |
341 | u8 *ie; | |
342 | struct ieee80211_channel *channel; | |
46900298 JB |
343 | |
344 | unsigned long ibss_join_req; | |
af8cdcd8 JB |
345 | /* probe response/beacon for IBSS */ |
346 | struct sk_buff *presp, *skb; | |
46900298 JB |
347 | |
348 | enum { | |
349 | IEEE80211_IBSS_MLME_SEARCH, | |
350 | IEEE80211_IBSS_MLME_JOINED, | |
351 | } state; | |
352 | }; | |
353 | ||
472dbc45 JB |
354 | struct ieee80211_if_mesh { |
355 | struct work_struct work; | |
356 | struct timer_list housekeeping_timer; | |
357 | struct timer_list mesh_path_timer; | |
358 | struct sk_buff_head skb_queue; | |
359 | ||
5bb644a0 JB |
360 | unsigned long timers_running; |
361 | ||
18889231 | 362 | unsigned long wrkq_flags; |
472dbc45 JB |
363 | |
364 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
365 | size_t mesh_id_len; | |
366 | /* Active Path Selection Protocol Identifier */ | |
3491707a | 367 | u8 mesh_pp_id; |
472dbc45 | 368 | /* Active Path Selection Metric Identifier */ |
3491707a | 369 | u8 mesh_pm_id; |
472dbc45 | 370 | /* Congestion Control Mode Identifier */ |
3491707a | 371 | u8 mesh_cc_id; |
9e03fdfd | 372 | /* Synchronization Protocol Identifier */ |
3491707a | 373 | u8 mesh_sp_id; |
9e03fdfd | 374 | /* Authentication Protocol Identifier */ |
3491707a | 375 | u8 mesh_auth_id; |
472dbc45 JB |
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 | |
413ad50a JB |
435 | /* |
436 | * keep track of whether the HT opmode (stored in | |
437 | * vif.bss_info.ht_operation_mode) is valid. | |
438 | */ | |
439 | bool ht_opmode_valid; | |
440 | ||
f0706e82 JB |
441 | /* Fragment table for host-based reassembly */ |
442 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
443 | unsigned int fragment_next; | |
444 | ||
445 | #define NUM_DEFAULT_KEYS 4 | |
3cfcf6ac JM |
446 | #define NUM_DEFAULT_MGMT_KEYS 2 |
447 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; | |
f0706e82 | 448 | struct ieee80211_key *default_key; |
3cfcf6ac | 449 | struct ieee80211_key *default_mgmt_key; |
f0706e82 | 450 | |
94778280 JB |
451 | u16 sequence_number; |
452 | ||
471b3efd | 453 | /* |
3e122be0 JB |
454 | * AP this belongs to: self in AP mode and |
455 | * corresponding AP in VLAN mode, NULL for | |
456 | * all others (might be needed later in IBSS) | |
471b3efd | 457 | */ |
3e122be0 JB |
458 | struct ieee80211_if_ap *bss; |
459 | ||
460 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ | |
461 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ | |
f0706e82 | 462 | |
f14543ee FF |
463 | bool use_4addr; /* use 4-address frames */ |
464 | ||
f0706e82 JB |
465 | union { |
466 | struct ieee80211_if_ap ap; | |
467 | struct ieee80211_if_wds wds; | |
468 | struct ieee80211_if_vlan vlan; | |
46900298 JB |
469 | struct ieee80211_if_managed mgd; |
470 | struct ieee80211_if_ibss ibss; | |
472dbc45 JB |
471 | #ifdef CONFIG_MAC80211_MESH |
472 | struct ieee80211_if_mesh mesh; | |
473 | #endif | |
8cc9a739 | 474 | u32 mntr_flags; |
f0706e82 | 475 | } u; |
e9f207f0 JB |
476 | |
477 | #ifdef CONFIG_MAC80211_DEBUGFS | |
2b58b209 | 478 | struct { |
7bcfaf2f | 479 | struct dentry *dir; |
2b58b209 | 480 | struct dentry *default_key; |
3cfcf6ac | 481 | struct dentry *default_mgmt_key; |
7bcfaf2f | 482 | } debugfs; |
e9f207f0 | 483 | #endif |
32bfd35d JB |
484 | /* must be last, dynamically sized area in this! */ |
485 | struct ieee80211_vif vif; | |
f0706e82 JB |
486 | }; |
487 | ||
32bfd35d JB |
488 | static inline |
489 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
490 | { | |
491 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
492 | } | |
493 | ||
472dbc45 JB |
494 | static inline void |
495 | ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, | |
496 | u8 mesh_id_len, u8 *mesh_id) | |
497 | { | |
498 | #ifdef CONFIG_MAC80211_MESH | |
499 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
500 | ifmsh->mesh_id_len = mesh_id_len; | |
501 | memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); | |
502 | #else | |
503 | WARN_ON(1); | |
504 | #endif | |
505 | } | |
506 | ||
f0706e82 JB |
507 | enum { |
508 | IEEE80211_RX_MSG = 1, | |
509 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
510 | IEEE80211_DELBA_MSG = 3, |
511 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
512 | }; |
513 | ||
ce7c9111 KV |
514 | enum queue_stop_reason { |
515 | IEEE80211_QUEUE_STOP_REASON_DRIVER, | |
520eb820 | 516 | IEEE80211_QUEUE_STOP_REASON_PS, |
96f5e66e JB |
517 | IEEE80211_QUEUE_STOP_REASON_CSA, |
518 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, | |
25420604 | 519 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
8f77f384 | 520 | IEEE80211_QUEUE_STOP_REASON_SKB_ADD, |
ce7c9111 KV |
521 | }; |
522 | ||
142b9f50 HS |
523 | /** |
524 | * mac80211 scan flags - currently active scan mode | |
525 | * | |
526 | * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as | |
527 | * well be on the operating channel | |
528 | * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to | |
529 | * determine if we are on the operating channel or not | |
530 | * @SCAN_OFF_CHANNEL: We're off our operating channel for scanning, | |
531 | * gets only set in conjunction with SCAN_SW_SCANNING | |
532 | */ | |
fbe9c429 HS |
533 | enum { |
534 | SCAN_SW_SCANNING, | |
142b9f50 HS |
535 | SCAN_HW_SCANNING, |
536 | SCAN_OFF_CHANNEL, | |
537 | }; | |
538 | ||
539 | /** | |
540 | * enum mac80211_scan_state - scan state machine states | |
541 | * | |
542 | * @SCAN_DECISION: Main entry point to the scan state machine, this state | |
543 | * determines if we should keep on scanning or switch back to the | |
544 | * operating channel | |
545 | * @SCAN_SET_CHANNEL: Set the next channel to be scanned | |
546 | * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses | |
547 | * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP | |
548 | * about us leaving the channel and stop all associated STA interfaces | |
549 | * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the | |
550 | * AP about us being back and restart all associated STA interfaces | |
551 | */ | |
552 | enum mac80211_scan_state { | |
553 | SCAN_DECISION, | |
554 | SCAN_SET_CHANNEL, | |
555 | SCAN_SEND_PROBE, | |
556 | SCAN_LEAVE_OPER_CHANNEL, | |
557 | SCAN_ENTER_OPER_CHANNEL, | |
fbe9c429 HS |
558 | }; |
559 | ||
f0706e82 JB |
560 | struct ieee80211_local { |
561 | /* embed the driver visible part. | |
562 | * don't cast (use the static inlines below), but we keep | |
563 | * it first anyway so they become a no-op */ | |
564 | struct ieee80211_hw hw; | |
565 | ||
566 | const struct ieee80211_ops *ops; | |
567 | ||
42935eca LR |
568 | /* |
569 | * private workqueue to mac80211. mac80211 makes this accessible | |
570 | * via ieee80211_queue_work() | |
571 | */ | |
572 | struct workqueue_struct *workqueue; | |
573 | ||
e4e72fb4 | 574 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
96f5e66e | 575 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
ce7c9111 | 576 | spinlock_t queue_stop_reason_lock; |
96f5e66e | 577 | |
f0706e82 | 578 | int open_count; |
3d30d949 | 579 | int monitors, cooked_mntrs; |
8cc9a739 | 580 | /* number of interfaces with corresponding FIF_ flags */ |
e3b90ca2 | 581 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll; |
4150c572 | 582 | unsigned int filter_flags; /* FIF_* */ |
f0706e82 | 583 | struct iw_statistics wstats; |
3b8d81e0 JB |
584 | |
585 | /* protects the aggregated multicast list and filter calls */ | |
586 | spinlock_t filter_lock; | |
587 | ||
3ac64bee JB |
588 | /* used for uploading changed mc list */ |
589 | struct work_struct reconfig_filter; | |
590 | ||
3b8d81e0 JB |
591 | /* aggregated multicast list */ |
592 | struct dev_addr_list *mc_list; | |
593 | int mc_count; | |
594 | ||
d0709a65 | 595 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
5bb644a0 JB |
596 | |
597 | /* | |
598 | * suspended is true if we finished all the suspend _and_ we have | |
599 | * not yet come up from resume. This is to be used by mac80211 | |
600 | * to ensure driver sanity during suspend and mac80211's own | |
601 | * sanity. It can eventually be used for WoW as well. | |
602 | */ | |
603 | bool suspended; | |
604 | ||
605 | /* | |
606 | * quiescing is true during the suspend process _only_ to | |
607 | * ease timer cancelling etc. | |
608 | */ | |
609 | bool quiescing; | |
610 | ||
ea77f12f JB |
611 | /* device is started */ |
612 | bool started; | |
613 | ||
b306f453 | 614 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 615 | |
f0706e82 JB |
616 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
617 | * added to skb_queue will be processed, but frames in | |
618 | * skb_queue_unreliable may be dropped if the total length of these | |
619 | * queues increases over the limit. */ | |
620 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
621 | struct tasklet_struct tasklet; | |
622 | struct sk_buff_head skb_queue; | |
623 | struct sk_buff_head skb_queue_unreliable; | |
624 | ||
d0709a65 JB |
625 | /* Station data */ |
626 | /* | |
627 | * The lock only protects the list, hash, timer and counter | |
628 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 629 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
630 | */ |
631 | spinlock_t sta_lock; | |
632 | unsigned long num_sta; | |
f0706e82 | 633 | struct list_head sta_list; |
f0706e82 JB |
634 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
635 | struct timer_list sta_cleanup; | |
f5ea9120 | 636 | int sta_generation; |
f0706e82 | 637 | |
2a577d98 | 638 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
639 | struct tasklet_struct tx_pending_tasklet; |
640 | ||
cd8ffc80 JB |
641 | /* |
642 | * This lock is used to prevent concurrent A-MPDU | |
643 | * session start/stop processing, this thus also | |
644 | * synchronises the ->ampdu_action() callback to | |
645 | * drivers and limits it to one at a time. | |
646 | */ | |
647 | spinlock_t ampdu_lock; | |
648 | ||
53918994 JB |
649 | /* number of interfaces with corresponding IFF_ flags */ |
650 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
651 | |
652 | struct rate_control_ref *rate_ctrl; | |
653 | ||
f0706e82 JB |
654 | struct crypto_blkcipher *wep_tx_tfm; |
655 | struct crypto_blkcipher *wep_rx_tfm; | |
656 | u32 wep_iv; | |
f0706e82 | 657 | |
c771c9d8 | 658 | /* see iface.c */ |
79010420 | 659 | struct list_head interfaces; |
c771c9d8 | 660 | struct mutex iflist_mtx; |
79010420 | 661 | |
b16bd15c JB |
662 | /* |
663 | * Key lock, protects sdata's key_list and sta_info's | |
664 | * key pointers (write access, they're RCU.) | |
665 | */ | |
666 | spinlock_t key_lock; | |
667 | ||
668 | ||
c2b13452 | 669 | /* Scanning and BSS list */ |
f3b85252 | 670 | struct mutex scan_mtx; |
fbe9c429 | 671 | unsigned long scanning; |
2a519311 | 672 | struct cfg80211_ssid scan_ssid; |
5ba63533 | 673 | struct cfg80211_scan_request *int_scan_req; |
4d36ec58 | 674 | struct cfg80211_scan_request *scan_req, *hw_scan_req; |
2a519311 | 675 | struct ieee80211_channel *scan_channel; |
4d36ec58 | 676 | enum ieee80211_band hw_scan_band; |
f0706e82 | 677 | int scan_channel_idx; |
de95a54b | 678 | int scan_ies_len; |
8318d78a | 679 | |
977923b0 | 680 | enum mac80211_scan_state next_scan_state; |
f0706e82 | 681 | struct delayed_work scan_work; |
491775a5 | 682 | struct ieee80211_sub_if_data *scan_sdata; |
094d05dc | 683 | enum nl80211_channel_type oper_channel_type; |
2a519311 | 684 | struct ieee80211_channel *oper_channel, *csa_channel; |
f0706e82 JB |
685 | |
686 | /* SNMP counters */ | |
687 | /* dot11CountersTable */ | |
688 | u32 dot11TransmittedFragmentCount; | |
689 | u32 dot11MulticastTransmittedFrameCount; | |
690 | u32 dot11FailedCount; | |
691 | u32 dot11RetryCount; | |
692 | u32 dot11MultipleRetryCount; | |
693 | u32 dot11FrameDuplicateCount; | |
694 | u32 dot11ReceivedFragmentCount; | |
695 | u32 dot11MulticastReceivedFrameCount; | |
696 | u32 dot11TransmittedFrameCount; | |
f0706e82 JB |
697 | |
698 | #ifdef CONFIG_MAC80211_LEDS | |
699 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
700 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
701 | char tx_led_name[32], rx_led_name[32], | |
702 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
703 | #endif |
704 | ||
e9f207f0 JB |
705 | #ifdef CONFIG_MAC80211_DEBUGFS |
706 | struct work_struct sta_debugfs_add; | |
707 | #endif | |
708 | ||
f0706e82 JB |
709 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
710 | /* TX/RX handler statistics */ | |
711 | unsigned int tx_handlers_drop; | |
712 | unsigned int tx_handlers_queued; | |
713 | unsigned int tx_handlers_drop_unencrypted; | |
714 | unsigned int tx_handlers_drop_fragment; | |
715 | unsigned int tx_handlers_drop_wep; | |
716 | unsigned int tx_handlers_drop_not_assoc; | |
717 | unsigned int tx_handlers_drop_unauth_port; | |
718 | unsigned int rx_handlers_drop; | |
719 | unsigned int rx_handlers_queued; | |
720 | unsigned int rx_handlers_drop_nullfunc; | |
721 | unsigned int rx_handlers_drop_defrag; | |
722 | unsigned int rx_handlers_drop_short; | |
723 | unsigned int rx_handlers_drop_passive_scan; | |
724 | unsigned int tx_expand_skb_head; | |
725 | unsigned int tx_expand_skb_head_cloned; | |
726 | unsigned int rx_expand_skb_head; | |
727 | unsigned int rx_expand_skb_head2; | |
728 | unsigned int rx_handlers_fragments; | |
729 | unsigned int tx_status_drop; | |
f0706e82 JB |
730 | #define I802_DEBUG_INC(c) (c)++ |
731 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
732 | #define I802_DEBUG_INC(c) do { } while (0) | |
733 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
734 | ||
735 | ||
f0706e82 JB |
736 | int total_ps_buffered; /* total number of all buffered unicast and |
737 | * multicast packets for power saving stations | |
738 | */ | |
f0706e82 JB |
739 | int wifi_wme_noack_test; |
740 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
520eb820 | 741 | |
572e0012 | 742 | bool pspolling; |
965bedad JB |
743 | /* |
744 | * PS can only be enabled when we have exactly one managed | |
745 | * interface (and monitors) in PS, this then points there. | |
746 | */ | |
747 | struct ieee80211_sub_if_data *ps_sdata; | |
520eb820 KV |
748 | struct work_struct dynamic_ps_enable_work; |
749 | struct work_struct dynamic_ps_disable_work; | |
750 | struct timer_list dynamic_ps_timer; | |
10f644a4 | 751 | struct notifier_block network_latency_notifier; |
f0706e82 | 752 | |
2bf30fab | 753 | int user_power_level; /* in dBm */ |
a8302de9 | 754 | int power_constr_level; /* in dBm */ |
2bf30fab | 755 | |
f2753ddb JB |
756 | struct work_struct restart_work; |
757 | ||
e9f207f0 JB |
758 | #ifdef CONFIG_MAC80211_DEBUGFS |
759 | struct local_debugfsdentries { | |
4b7679a5 | 760 | struct dentry *rcdir; |
e9f207f0 JB |
761 | struct dentry *stations; |
762 | struct dentry *keys; | |
763 | } debugfs; | |
764 | #endif | |
f0706e82 JB |
765 | }; |
766 | ||
3e122be0 JB |
767 | static inline struct ieee80211_sub_if_data * |
768 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
769 | { | |
3e122be0 JB |
770 | return netdev_priv(dev); |
771 | } | |
772 | ||
eadc8d9e RR |
773 | /* this struct represents 802.11n's RA/TID combination */ |
774 | struct ieee80211_ra_tid { | |
775 | u8 ra[ETH_ALEN]; | |
776 | u16 tid; | |
777 | }; | |
778 | ||
ee385855 LCC |
779 | /* Parsed Information Elements */ |
780 | struct ieee802_11_elems { | |
43ac2ca3 JM |
781 | u8 *ie_start; |
782 | size_t total_len; | |
783 | ||
ee385855 LCC |
784 | /* pointers to IEs */ |
785 | u8 *ssid; | |
786 | u8 *supp_rates; | |
787 | u8 *fh_params; | |
788 | u8 *ds_params; | |
789 | u8 *cf_params; | |
e7ec86f5 | 790 | struct ieee80211_tim_ie *tim; |
ee385855 LCC |
791 | u8 *ibss_params; |
792 | u8 *challenge; | |
793 | u8 *wpa; | |
794 | u8 *rsn; | |
795 | u8 *erp_info; | |
796 | u8 *ext_supp_rates; | |
797 | u8 *wmm_info; | |
798 | u8 *wmm_param; | |
09914813 | 799 | struct ieee80211_ht_cap *ht_cap_elem; |
d9fe60de | 800 | struct ieee80211_ht_info *ht_info_elem; |
ee385855 LCC |
801 | u8 *mesh_config; |
802 | u8 *mesh_id; | |
803 | u8 *peer_link; | |
804 | u8 *preq; | |
805 | u8 *prep; | |
806 | u8 *perr; | |
f2df3859 AK |
807 | u8 *ch_switch_elem; |
808 | u8 *country_elem; | |
809 | u8 *pwr_constr_elem; | |
810 | u8 *quiet_elem; /* first quite element */ | |
f797eb7e | 811 | u8 *timeout_int; |
ee385855 LCC |
812 | |
813 | /* length of them, respectively */ | |
814 | u8 ssid_len; | |
815 | u8 supp_rates_len; | |
816 | u8 fh_params_len; | |
817 | u8 ds_params_len; | |
818 | u8 cf_params_len; | |
819 | u8 tim_len; | |
820 | u8 ibss_params_len; | |
821 | u8 challenge_len; | |
822 | u8 wpa_len; | |
823 | u8 rsn_len; | |
824 | u8 erp_info_len; | |
825 | u8 ext_supp_rates_len; | |
826 | u8 wmm_info_len; | |
827 | u8 wmm_param_len; | |
ee385855 LCC |
828 | u8 mesh_config_len; |
829 | u8 mesh_id_len; | |
830 | u8 peer_link_len; | |
831 | u8 preq_len; | |
832 | u8 prep_len; | |
833 | u8 perr_len; | |
f2df3859 AK |
834 | u8 ch_switch_elem_len; |
835 | u8 country_elem_len; | |
836 | u8 pwr_constr_elem_len; | |
837 | u8 quiet_elem_len; | |
838 | u8 num_of_quiet_elem; /* can be more the one */ | |
f797eb7e | 839 | u8 timeout_int_len; |
ee385855 LCC |
840 | }; |
841 | ||
f0706e82 JB |
842 | static inline struct ieee80211_local *hw_to_local( |
843 | struct ieee80211_hw *hw) | |
844 | { | |
845 | return container_of(hw, struct ieee80211_local, hw); | |
846 | } | |
847 | ||
848 | static inline struct ieee80211_hw *local_to_hw( | |
849 | struct ieee80211_local *local) | |
850 | { | |
851 | return &local->hw; | |
852 | } | |
853 | ||
f0706e82 | 854 | |
571ecf67 JB |
855 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
856 | { | |
857 | return compare_ether_addr(raddr, addr) == 0 || | |
858 | is_broadcast_ether_addr(raddr); | |
859 | } | |
860 | ||
861 | ||
e8975581 | 862 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
5cf121c3 | 863 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
9c6bd790 JB |
864 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
865 | u32 changed); | |
0d143fe1 | 866 | void ieee80211_configure_filter(struct ieee80211_local *local); |
46900298 | 867 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
f0706e82 | 868 | |
46900298 | 869 | /* STA code */ |
9c6bd790 | 870 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
77fdaa12 JB |
871 | int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, |
872 | struct cfg80211_auth_request *req); | |
873 | int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, | |
874 | struct cfg80211_assoc_request *req); | |
875 | int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, | |
667503dd JB |
876 | struct cfg80211_deauth_request *req, |
877 | void *cookie); | |
77fdaa12 | 878 | int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, |
667503dd JB |
879 | struct cfg80211_disassoc_request *req, |
880 | void *cookie); | |
46900298 | 881 | ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, |
f1d58c25 | 882 | struct sk_buff *skb); |
572e0012 KV |
883 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
884 | struct ieee80211_sub_if_data *sdata); | |
10f644a4 JB |
885 | void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); |
886 | int ieee80211_max_network_latency(struct notifier_block *nb, | |
887 | unsigned long data, void *dummy); | |
cc32abd4 JB |
888 | void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, |
889 | struct ieee80211_channel_sw_ie *sw_elem, | |
890 | struct ieee80211_bss *bss); | |
5bb644a0 JB |
891 | void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); |
892 | void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); | |
9c6bd790 | 893 | |
46900298 | 894 | /* IBSS code */ |
46900298 JB |
895 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); |
896 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
897 | ieee80211_rx_result | |
f1d58c25 | 898 | ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
46900298 JB |
899 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, |
900 | u8 *bssid, u8 *addr, u32 supp_rates); | |
af8cdcd8 JB |
901 | int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, |
902 | struct cfg80211_ibss_params *params); | |
903 | int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); | |
5bb644a0 JB |
904 | void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); |
905 | void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); | |
46900298 | 906 | |
9c6bd790 | 907 | /* scan/BSS handling */ |
46900298 | 908 | void ieee80211_scan_work(struct work_struct *work); |
f3b85252 JB |
909 | int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, |
910 | const u8 *ssid, u8 ssid_len); | |
c2b13452 | 911 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
2a519311 | 912 | struct cfg80211_scan_request *req); |
5bb644a0 | 913 | void ieee80211_scan_cancel(struct ieee80211_local *local); |
c2b13452 | 914 | ieee80211_rx_result |
f1d58c25 | 915 | ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
9c6bd790 | 916 | |
0a51b27e | 917 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
c2b13452 | 918 | struct ieee80211_bss * |
98c8fccf JB |
919 | ieee80211_bss_info_update(struct ieee80211_local *local, |
920 | struct ieee80211_rx_status *rx_status, | |
921 | struct ieee80211_mgmt *mgmt, | |
922 | size_t len, | |
923 | struct ieee802_11_elems *elems, | |
2a519311 JB |
924 | struct ieee80211_channel *channel, |
925 | bool beacon); | |
c2b13452 | 926 | struct ieee80211_bss * |
5484e237 JB |
927 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, |
928 | u8 *ssid, u8 ssid_len); | |
98c8fccf | 929 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 930 | struct ieee80211_bss *bss); |
ee385855 | 931 | |
3e122be0 JB |
932 | /* interface handling */ |
933 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, | |
05c914fe | 934 | struct net_device **new_dev, enum nl80211_iftype type, |
ee385855 | 935 | struct vif_params *params); |
f3947e2d | 936 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
05c914fe | 937 | enum nl80211_iftype type); |
f698d856 | 938 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 939 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
5cff20e6 JB |
940 | u32 __ieee80211_recalc_idle(struct ieee80211_local *local); |
941 | void ieee80211_recalc_idle(struct ieee80211_local *local); | |
f0706e82 | 942 | |
e2ebc74d | 943 | /* tx handling */ |
e2ebc74d JB |
944 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
945 | void ieee80211_tx_pending(unsigned long data); | |
d0cf9c0d SH |
946 | netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, |
947 | struct net_device *dev); | |
948 | netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, | |
949 | struct net_device *dev); | |
e2ebc74d | 950 | |
de1ede7a | 951 | /* HT */ |
ae5eb026 JB |
952 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, |
953 | struct ieee80211_ht_cap *ht_cap_ie, | |
d9fe60de | 954 | struct ieee80211_sta_ht_cap *ht_cap); |
de1ede7a | 955 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); |
b8695a8f JB |
956 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
957 | const u8 *da, u16 tid, | |
958 | u16 initiator, u16 reason_code); | |
de1ede7a JB |
959 | |
960 | void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da, | |
961 | u16 tid, u16 initiator, u16 reason); | |
849b7967 JB |
962 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
963 | u16 initiator, u16 reason); | |
2dace10e | 964 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta); |
de1ede7a JB |
965 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
966 | struct sta_info *sta, | |
967 | struct ieee80211_mgmt *mgmt, size_t len); | |
968 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
969 | struct sta_info *sta, | |
970 | struct ieee80211_mgmt *mgmt, | |
971 | size_t len); | |
972 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
973 | struct sta_info *sta, | |
974 | struct ieee80211_mgmt *mgmt, | |
975 | size_t len); | |
976 | ||
849b7967 JB |
977 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
978 | enum ieee80211_back_parties initiator); | |
979 | ||
39192c0b JB |
980 | /* Spectrum management */ |
981 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
982 | struct ieee80211_mgmt *mgmt, | |
983 | size_t len); | |
984 | ||
f2753ddb JB |
985 | /* Suspend/resume and hw reconfiguration */ |
986 | int ieee80211_reconfig(struct ieee80211_local *local); | |
84f6a01c | 987 | void ieee80211_stop_device(struct ieee80211_local *local); |
f2753ddb | 988 | |
827b1fb4 | 989 | #ifdef CONFIG_PM |
665af4fc | 990 | int __ieee80211_suspend(struct ieee80211_hw *hw); |
f2753ddb JB |
991 | |
992 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) | |
993 | { | |
994 | return ieee80211_reconfig(hw_to_local(hw)); | |
995 | } | |
827b1fb4 JB |
996 | #else |
997 | static inline int __ieee80211_suspend(struct ieee80211_hw *hw) | |
998 | { | |
999 | return 0; | |
1000 | } | |
f2753ddb | 1001 | |
827b1fb4 JB |
1002 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) |
1003 | { | |
1004 | return 0; | |
1005 | } | |
1006 | #endif | |
665af4fc | 1007 | |
c2d1560a JB |
1008 | /* utility functions/constants */ |
1009 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
71364716 | 1010 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
05c914fe | 1011 | enum nl80211_iftype type); |
c2d1560a JB |
1012 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
1013 | int rate, int erp, int short_preamble); | |
f698d856 | 1014 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
e6d6e342 JB |
1015 | struct ieee80211_hdr *hdr, const u8 *tsc, |
1016 | gfp_t gfp); | |
5825fe10 | 1017 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); |
e50db65c JB |
1018 | void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
1019 | int encrypt); | |
9c6bd790 JB |
1020 | void ieee802_11_parse_elems(u8 *start, size_t len, |
1021 | struct ieee802_11_elems *elems); | |
d91f36db JB |
1022 | u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, |
1023 | struct ieee802_11_elems *elems, | |
1024 | u64 filter, u32 crc); | |
881d948c | 1025 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
96dd22ac | 1026 | enum ieee80211_band band); |
f0706e82 | 1027 | |
520eb820 KV |
1028 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
1029 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); | |
1030 | void ieee80211_dynamic_ps_timer(unsigned long data); | |
a97b77b9 VN |
1031 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
1032 | struct ieee80211_sub_if_data *sdata, | |
1033 | int powersave); | |
3cf335d5 KV |
1034 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
1035 | struct ieee80211_hdr *hdr); | |
04de8381 | 1036 | void ieee80211_beacon_loss_work(struct work_struct *work); |
520eb820 | 1037 | |
ce7c9111 KV |
1038 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
1039 | enum queue_stop_reason reason); | |
1040 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, | |
1041 | enum queue_stop_reason reason); | |
96f5e66e JB |
1042 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
1043 | enum queue_stop_reason reason); | |
1044 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, | |
1045 | enum queue_stop_reason reason); | |
8f77f384 JB |
1046 | void ieee80211_add_pending_skb(struct ieee80211_local *local, |
1047 | struct sk_buff *skb); | |
1048 | int ieee80211_add_pending_skbs(struct ieee80211_local *local, | |
1049 | struct sk_buff_head *skbs); | |
ce7c9111 | 1050 | |
46900298 JB |
1051 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
1052 | u16 transaction, u16 auth_alg, | |
fffd0934 JB |
1053 | u8 *extra, size_t extra_len, const u8 *bssid, |
1054 | const u8 *key, u8 key_len, u8 key_idx); | |
de95a54b | 1055 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
4d36ec58 JB |
1056 | const u8 *ie, size_t ie_len, |
1057 | enum ieee80211_band band); | |
46900298 | 1058 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
de95a54b JB |
1059 | const u8 *ssid, size_t ssid_len, |
1060 | const u8 *ie, size_t ie_len); | |
46900298 JB |
1061 | |
1062 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, | |
1063 | const size_t supp_rates_len, | |
1064 | const u8 *supp_rates); | |
1065 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, | |
1066 | struct ieee802_11_elems *elems, | |
1067 | enum ieee80211_band band); | |
1068 | ||
f4ea83dd | 1069 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1070 | #define debug_noinline noinline |
1071 | #else | |
1072 | #define debug_noinline | |
1073 | #endif | |
1074 | ||
f0706e82 | 1075 | #endif /* IEEE80211_I_H */ |