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> | |
026331c4 | 5 | * Copyright 2007-2010 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> |
e1e54068 | 26 | #include <linux/leds.h> |
fe7a5d5c | 27 | #include <net/ieee80211_radiotap.h> |
93da9cc1 | 28 | #include <net/cfg80211.h> |
51cb6db0 | 29 | #include <net/mac80211.h> |
2c8dccc7 | 30 | #include "key.h" |
f0706e82 JB |
31 | #include "sta_info.h" |
32 | ||
9cfb0009 | 33 | struct ieee80211_local; |
f0706e82 JB |
34 | |
35 | /* Maximum number of broadcast/multicast frames to buffer when some of the | |
36 | * associated stations are using power saving. */ | |
37 | #define AP_MAX_BC_BUFFER 128 | |
38 | ||
39 | /* Maximum number of frames buffered to all STAs, including multicast frames. | |
40 | * Note: increasing this limit increases the potential memory requirement. Each | |
41 | * frame can be up to about 2 kB long. */ | |
42 | #define TOTAL_MAX_TX_BUFFER 512 | |
43 | ||
44 | /* Required encryption head and tailroom */ | |
45 | #define IEEE80211_ENCRYPT_HEADROOM 8 | |
765cb46a | 46 | #define IEEE80211_ENCRYPT_TAILROOM 18 |
f0706e82 JB |
47 | |
48 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent | |
49 | * reception of at least three fragmented frames. This limit can be increased | |
50 | * by changing this define, at the cost of slower frame reassembly and | |
51 | * increased memory use (about 2 kB of RAM per entry). */ | |
52 | #define IEEE80211_FRAGMENT_MAX 4 | |
53 | ||
20ad19d0 JB |
54 | #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) |
55 | ||
ab13315a KV |
56 | #define IEEE80211_DEFAULT_UAPSD_QUEUES \ |
57 | (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ | |
58 | IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ | |
59 | IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ | |
60 | IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) | |
61 | ||
62 | #define IEEE80211_DEFAULT_MAX_SP_LEN \ | |
63 | IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL | |
64 | ||
f0706e82 JB |
65 | struct ieee80211_fragment_entry { |
66 | unsigned long first_frag_time; | |
67 | unsigned int seq; | |
68 | unsigned int rx_queue; | |
69 | unsigned int last_frag; | |
70 | unsigned int extra_len; | |
71 | struct sk_buff_head skb_list; | |
72 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
73 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
74 | }; | |
75 | ||
76 | ||
c2b13452 | 77 | struct ieee80211_bss { |
00d3f14c JB |
78 | /* don't want to look up all the time */ |
79 | size_t ssid_len; | |
f0706e82 | 80 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
00d3f14c | 81 | |
98f7dfd8 | 82 | u8 dtim_period; |
00d3f14c | 83 | |
43ac2ca3 | 84 | bool wmm_used; |
ab13315a | 85 | bool uapsd_supported; |
00d3f14c JB |
86 | |
87 | unsigned long last_probe_resp; | |
88 | ||
ee385855 LCC |
89 | #ifdef CONFIG_MAC80211_MESH |
90 | u8 *mesh_id; | |
91 | size_t mesh_id_len; | |
24736701 | 92 | u8 *mesh_cfg; |
902acc78 | 93 | #endif |
00d3f14c | 94 | |
f0706e82 JB |
95 | #define IEEE80211_MAX_SUPP_RATES 32 |
96 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
97 | size_t supp_rates_len; | |
f0706e82 | 98 | |
00d3f14c | 99 | /* |
25985edc | 100 | * During association, we save an ERP value from a probe response so |
5628221c DD |
101 | * that we can feed ERP info to the driver when handling the |
102 | * association completes. these fields probably won't be up-to-date | |
00d3f14c JB |
103 | * otherwise, you probably don't want to use them. |
104 | */ | |
105 | bool has_erp_value; | |
5628221c | 106 | u8 erp_value; |
f0706e82 JB |
107 | }; |
108 | ||
c2b13452 | 109 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
902acc78 JB |
110 | { |
111 | #ifdef CONFIG_MAC80211_MESH | |
112 | return bss->mesh_cfg; | |
113 | #endif | |
114 | return NULL; | |
115 | } | |
116 | ||
c2b13452 | 117 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
902acc78 JB |
118 | { |
119 | #ifdef CONFIG_MAC80211_MESH | |
120 | return bss->mesh_id; | |
121 | #endif | |
122 | return NULL; | |
123 | } | |
124 | ||
c2b13452 | 125 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
902acc78 JB |
126 | { |
127 | #ifdef CONFIG_MAC80211_MESH | |
128 | return bss->mesh_id_len; | |
129 | #endif | |
130 | return 0; | |
131 | } | |
132 | ||
f0706e82 | 133 | |
9ae54c84 JB |
134 | typedef unsigned __bitwise__ ieee80211_tx_result; |
135 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
136 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
137 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
138 | ||
5cf121c3 JB |
139 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
140 | #define IEEE80211_TX_UNICAST BIT(1) | |
141 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
5cf121c3 JB |
142 | |
143 | struct ieee80211_tx_data { | |
144 | struct sk_buff *skb; | |
5cf121c3 JB |
145 | struct ieee80211_local *local; |
146 | struct ieee80211_sub_if_data *sdata; | |
147 | struct sta_info *sta; | |
5cf121c3 | 148 | struct ieee80211_key *key; |
5cf121c3 | 149 | |
5cf121c3 | 150 | struct ieee80211_channel *channel; |
5cf121c3 | 151 | |
a4b7d7bd | 152 | u16 ethertype; |
056cdd59 | 153 | unsigned int flags; |
5cf121c3 JB |
154 | }; |
155 | ||
156 | ||
9ae54c84 | 157 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
158 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
159 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
160 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
161 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 162 | |
554891e6 JB |
163 | /** |
164 | * enum ieee80211_packet_rx_flags - packet RX flags | |
165 | * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed | |
166 | * (incl. multicast frames) | |
167 | * @IEEE80211_RX_IN_SCAN: received while scanning | |
168 | * @IEEE80211_RX_FRAGMENTED: fragmented frame | |
169 | * @IEEE80211_RX_AMSDU: a-MSDU packet | |
170 | * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed | |
4cfda47b | 171 | * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering |
554891e6 JB |
172 | * |
173 | * These are per-frame flags that are attached to a frame in the | |
174 | * @rx_flags field of &struct ieee80211_rx_status. | |
175 | */ | |
176 | enum ieee80211_packet_rx_flags { | |
177 | IEEE80211_RX_IN_SCAN = BIT(0), | |
178 | IEEE80211_RX_RA_MATCH = BIT(1), | |
179 | IEEE80211_RX_FRAGMENTED = BIT(2), | |
180 | IEEE80211_RX_AMSDU = BIT(3), | |
181 | IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), | |
4cfda47b | 182 | IEEE80211_RX_DEFERRED_RELEASE = BIT(5), |
554891e6 JB |
183 | }; |
184 | ||
185 | /** | |
186 | * enum ieee80211_rx_flags - RX data flags | |
187 | * | |
188 | * @IEEE80211_RX_CMNTR: received on cooked monitor already | |
189 | * | |
190 | * These flags are used across handling multiple interfaces | |
191 | * for a single frame. | |
192 | */ | |
193 | enum ieee80211_rx_flags { | |
194 | IEEE80211_RX_CMNTR = BIT(0), | |
195 | }; | |
5cf121c3 JB |
196 | |
197 | struct ieee80211_rx_data { | |
f0706e82 | 198 | struct sk_buff *skb; |
f0706e82 JB |
199 | struct ieee80211_local *local; |
200 | struct ieee80211_sub_if_data *sdata; | |
201 | struct sta_info *sta; | |
f0706e82 | 202 | struct ieee80211_key *key; |
056cdd59 | 203 | |
056cdd59 | 204 | unsigned int flags; |
9e26297a JB |
205 | |
206 | /* | |
207 | * Index into sequence numbers array, 0..16 | |
208 | * since the last (16) is used for non-QoS, | |
209 | * will be 16 on non-QoS frames. | |
210 | */ | |
211 | int seqno_idx; | |
212 | ||
213 | /* | |
214 | * Index into the security IV/PN arrays, 0..16 | |
215 | * since the last (16) is used for CCMP-encrypted | |
216 | * management frames, will be set to 16 on mgmt | |
217 | * frames and 0 on non-QoS frames. | |
218 | */ | |
219 | int security_idx; | |
220 | ||
5cf121c3 JB |
221 | u32 tkip_iv32; |
222 | u16 tkip_iv16; | |
f0706e82 JB |
223 | }; |
224 | ||
5dfdaf58 JB |
225 | struct beacon_data { |
226 | u8 *head, *tail; | |
227 | int head_len, tail_len; | |
228 | int dtim_period; | |
229 | }; | |
230 | ||
f0706e82 | 231 | struct ieee80211_if_ap { |
40b275b6 | 232 | struct beacon_data __rcu *beacon; |
f0706e82 | 233 | |
0ec3ca44 JB |
234 | struct list_head vlans; |
235 | ||
f0706e82 JB |
236 | /* yes, this looks ugly, but guarantees that we can later use |
237 | * bitmap_empty :) | |
004c872e | 238 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 239 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 240 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 241 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 242 | int dtim_count; |
512119b3 | 243 | bool dtim_bc_mc; |
f0706e82 JB |
244 | }; |
245 | ||
246 | struct ieee80211_if_wds { | |
f0706e82 | 247 | struct sta_info *sta; |
056cdd59 | 248 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
249 | }; |
250 | ||
251 | struct ieee80211_if_vlan { | |
0ec3ca44 | 252 | struct list_head list; |
f14543ee FF |
253 | |
254 | /* used for all tx if the VLAN is configured to 4-addr mode */ | |
40b275b6 | 255 | struct sta_info __rcu *sta; |
f0706e82 JB |
256 | }; |
257 | ||
ee385855 | 258 | struct mesh_stats { |
c8a61a7d DW |
259 | __u32 fwded_mcast; /* Mesh forwarded multicast frames */ |
260 | __u32 fwded_unicast; /* Mesh forwarded unicast frames */ | |
261 | __u32 fwded_frames; /* Mesh total forwarded frames */ | |
ee385855 LCC |
262 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
263 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
264 | atomic_t estab_plinks; | |
265 | }; | |
266 | ||
267 | #define PREQ_Q_F_START 0x1 | |
268 | #define PREQ_Q_F_REFRESH 0x2 | |
269 | struct mesh_preq_queue { | |
270 | struct list_head list; | |
271 | u8 dst[ETH_ALEN]; | |
272 | u8 flags; | |
273 | }; | |
274 | ||
f679f65d | 275 | enum ieee80211_work_type { |
b8bc4b0a | 276 | IEEE80211_WORK_ABORT, |
af6b6374 | 277 | IEEE80211_WORK_DIRECT_PROBE, |
f679f65d | 278 | IEEE80211_WORK_AUTH, |
e5b900d2 | 279 | IEEE80211_WORK_ASSOC_BEACON_WAIT, |
f679f65d | 280 | IEEE80211_WORK_ASSOC, |
b8bc4b0a | 281 | IEEE80211_WORK_REMAIN_ON_CHANNEL, |
f30221e4 | 282 | IEEE80211_WORK_OFFCHANNEL_TX, |
77fdaa12 JB |
283 | }; |
284 | ||
af6b6374 JB |
285 | /** |
286 | * enum work_done_result - indicates what to do after work was done | |
287 | * | |
288 | * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. | |
289 | * @WORK_DONE_REQUEUE: This work item was reset to be reused, and | |
290 | * should be requeued. | |
291 | */ | |
292 | enum work_done_result { | |
293 | WORK_DONE_DESTROY, | |
294 | WORK_DONE_REQUEUE, | |
295 | }; | |
296 | ||
f679f65d | 297 | struct ieee80211_work { |
77fdaa12 | 298 | struct list_head list; |
77fdaa12 | 299 | |
af6b6374 JB |
300 | struct rcu_head rcu_head; |
301 | ||
302 | struct ieee80211_sub_if_data *sdata; | |
303 | ||
304 | enum work_done_result (*done)(struct ieee80211_work *wk, | |
305 | struct sk_buff *skb); | |
306 | ||
f679f65d | 307 | struct ieee80211_channel *chan; |
e4da8c37 | 308 | enum nl80211_channel_type chan_type; |
af6b6374 | 309 | |
f679f65d JB |
310 | unsigned long timeout; |
311 | enum ieee80211_work_type type; | |
312 | ||
af6b6374 JB |
313 | u8 filter_ta[ETH_ALEN]; |
314 | ||
e4da8c37 JB |
315 | bool started; |
316 | ||
f679f65d JB |
317 | union { |
318 | struct { | |
319 | int tries; | |
320 | u16 algorithm, transaction; | |
321 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
322 | u8 ssid_len; | |
f679f65d JB |
323 | u8 key[WLAN_KEY_LEN_WEP104]; |
324 | u8 key_len, key_idx; | |
325 | bool privacy; | |
af6b6374 | 326 | } probe_auth; |
f679f65d | 327 | struct { |
0c1ad2ca | 328 | struct cfg80211_bss *bss; |
f679f65d JB |
329 | const u8 *supp_rates; |
330 | const u8 *ht_information_ie; | |
af6b6374 | 331 | enum ieee80211_smps_mode smps; |
f679f65d JB |
332 | int tries; |
333 | u16 capability; | |
af6b6374 | 334 | u8 prev_bssid[ETH_ALEN]; |
f679f65d JB |
335 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
336 | u8 ssid_len; | |
337 | u8 supp_rates_len; | |
ab13315a | 338 | bool wmm_used, use_11n, uapsd_used; |
f679f65d | 339 | } assoc; |
b8bc4b0a | 340 | struct { |
e4da8c37 | 341 | u32 duration; |
b8bc4b0a | 342 | } remain; |
f30221e4 JB |
343 | struct { |
344 | struct sk_buff *frame; | |
345 | u32 wait; | |
346 | } offchan_tx; | |
f679f65d | 347 | }; |
fffd0934 | 348 | |
f679f65d | 349 | int ie_len; |
77fdaa12 | 350 | /* must be last */ |
f679f65d | 351 | u8 ie[0]; |
77fdaa12 JB |
352 | }; |
353 | ||
46900298 | 354 | /* flags used in struct ieee80211_if_managed.flags */ |
ab1faead | 355 | enum ieee80211_sta_flags { |
b291ba11 JB |
356 | IEEE80211_STA_BEACON_POLL = BIT(0), |
357 | IEEE80211_STA_CONNECTION_POLL = BIT(1), | |
358 | IEEE80211_STA_CONTROL_PORT = BIT(2), | |
b291ba11 JB |
359 | IEEE80211_STA_DISABLE_11N = BIT(4), |
360 | IEEE80211_STA_CSA_RECEIVED = BIT(5), | |
361 | IEEE80211_STA_MFP_ENABLED = BIT(6), | |
ab13315a | 362 | IEEE80211_STA_UAPSD_ENABLED = BIT(7), |
375177bf | 363 | IEEE80211_STA_NULLFUNC_ACKED = BIT(8), |
17e4ec14 | 364 | IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), |
ab1faead JB |
365 | }; |
366 | ||
46900298 | 367 | struct ieee80211_if_managed { |
056cdd59 | 368 | struct timer_list timer; |
b291ba11 JB |
369 | struct timer_list conn_mon_timer; |
370 | struct timer_list bcn_mon_timer; | |
c481ec97 | 371 | struct timer_list chswitch_timer; |
b291ba11 | 372 | struct work_struct monitor_work; |
c481ec97 | 373 | struct work_struct chswitch_work; |
1e4dcd01 | 374 | struct work_struct beacon_connection_loss_work; |
46900298 | 375 | |
7ccc8bd7 | 376 | unsigned long beacon_timeout; |
b291ba11 | 377 | unsigned long probe_timeout; |
a43abf29 | 378 | int probe_send_count; |
04ac3c0e | 379 | bool nullfunc_failed; |
b291ba11 | 380 | |
77fdaa12 | 381 | struct mutex mtx; |
0c1ad2ca | 382 | struct cfg80211_bss *associated; |
46900298 | 383 | |
77fdaa12 | 384 | u8 bssid[ETH_ALEN]; |
46900298 | 385 | |
f0706e82 | 386 | u16 aid; |
f0706e82 | 387 | |
5bb644a0 | 388 | unsigned long timers_running; /* used for quiesce/restart */ |
965bedad | 389 | bool powersave; /* powersave requested for this iface */ |
0f78231b | 390 | enum ieee80211_smps_mode req_smps, /* requested smps mode */ |
d1f5b7a3 JB |
391 | ap_smps, /* smps mode AP thinks we're in */ |
392 | driver_smps_mode; /* smps mode request */ | |
393 | ||
394 | struct work_struct request_smps_work; | |
965bedad | 395 | |
d6f2da5b | 396 | unsigned int flags; |
f0706e82 | 397 | |
d8ec4433 | 398 | bool beacon_crc_valid; |
d91f36db JB |
399 | u32 beacon_crc; |
400 | ||
fdfacf0a JM |
401 | enum { |
402 | IEEE80211_MFP_DISABLED, | |
403 | IEEE80211_MFP_OPTIONAL, | |
404 | IEEE80211_MFP_REQUIRED | |
405 | } mfp; /* management frame protection */ | |
406 | ||
f0706e82 | 407 | int wmm_last_param_set; |
9bc383de JB |
408 | |
409 | u8 use_4addr; | |
17e4ec14 JM |
410 | |
411 | /* Signal strength from the last Beacon frame in the current BSS. */ | |
412 | int last_beacon_signal; | |
413 | ||
414 | /* | |
415 | * Weighted average of the signal strength from Beacon frames in the | |
416 | * current BSS. This is in units of 1/16 of the signal unit to maintain | |
417 | * accuracy and to speed up calculations, i.e., the value need to be | |
418 | * divided by 16 to get the actual value. | |
419 | */ | |
420 | int ave_beacon_signal; | |
421 | ||
391a200a JM |
422 | /* |
423 | * Number of Beacon frames used in ave_beacon_signal. This can be used | |
424 | * to avoid generating less reliable cqm events that would be based | |
425 | * only on couple of received frames. | |
426 | */ | |
427 | unsigned int count_beacon_signal; | |
428 | ||
17e4ec14 JM |
429 | /* |
430 | * Last Beacon frame signal strength average (ave_beacon_signal / 16) | |
431 | * that triggered a cqm event. 0 indicates that no event has been | |
432 | * generated for the current association. | |
433 | */ | |
434 | int last_cqm_event_signal; | |
615f7b9b MV |
435 | |
436 | /* | |
437 | * State variables for keeping track of RSSI of the AP currently | |
438 | * connected to and informing driver when RSSI has gone | |
439 | * below/above a certain threshold. | |
440 | */ | |
441 | int rssi_min_thold, rssi_max_thold; | |
442 | int last_ave_beacon_signal; | |
f0706e82 JB |
443 | }; |
444 | ||
46900298 JB |
445 | struct ieee80211_if_ibss { |
446 | struct timer_list timer; | |
46900298 | 447 | |
7a17a33c JB |
448 | struct mutex mtx; |
449 | ||
af8cdcd8 | 450 | unsigned long last_scan_completed; |
5bb644a0 | 451 | |
fbd2c8dc TP |
452 | u32 basic_rates; |
453 | ||
5bb644a0 JB |
454 | bool timer_running; |
455 | ||
af8cdcd8 JB |
456 | bool fixed_bssid; |
457 | bool fixed_channel; | |
fffd0934 | 458 | bool privacy; |
46900298 JB |
459 | |
460 | u8 bssid[ETH_ALEN]; | |
af8cdcd8 JB |
461 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
462 | u8 ssid_len, ie_len; | |
463 | u8 *ie; | |
464 | struct ieee80211_channel *channel; | |
46900298 JB |
465 | |
466 | unsigned long ibss_join_req; | |
af8cdcd8 | 467 | /* probe response/beacon for IBSS */ |
40b275b6 JB |
468 | struct sk_buff __rcu *presp; |
469 | struct sk_buff *skb; | |
46900298 JB |
470 | |
471 | enum { | |
472 | IEEE80211_IBSS_MLME_SEARCH, | |
473 | IEEE80211_IBSS_MLME_JOINED, | |
474 | } state; | |
475 | }; | |
476 | ||
472dbc45 | 477 | struct ieee80211_if_mesh { |
472dbc45 JB |
478 | struct timer_list housekeeping_timer; |
479 | struct timer_list mesh_path_timer; | |
e304bfd3 | 480 | struct timer_list mesh_path_root_timer; |
472dbc45 | 481 | |
5bb644a0 JB |
482 | unsigned long timers_running; |
483 | ||
18889231 | 484 | unsigned long wrkq_flags; |
472dbc45 JB |
485 | |
486 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
487 | size_t mesh_id_len; | |
488 | /* Active Path Selection Protocol Identifier */ | |
3491707a | 489 | u8 mesh_pp_id; |
472dbc45 | 490 | /* Active Path Selection Metric Identifier */ |
3491707a | 491 | u8 mesh_pm_id; |
472dbc45 | 492 | /* Congestion Control Mode Identifier */ |
3491707a | 493 | u8 mesh_cc_id; |
9e03fdfd | 494 | /* Synchronization Protocol Identifier */ |
3491707a | 495 | u8 mesh_sp_id; |
9e03fdfd | 496 | /* Authentication Protocol Identifier */ |
3491707a | 497 | u8 mesh_auth_id; |
d19b3bf6 RP |
498 | /* Local mesh Sequence Number */ |
499 | u32 sn; | |
472dbc45 JB |
500 | /* Last used PREQ ID */ |
501 | u32 preq_id; | |
502 | atomic_t mpaths; | |
d19b3bf6 RP |
503 | /* Timestamp of last SN update */ |
504 | unsigned long last_sn_update; | |
505 | /* Timestamp of last SN sent */ | |
472dbc45 JB |
506 | unsigned long last_preq; |
507 | struct mesh_rmc *rmc; | |
508 | spinlock_t mesh_preq_queue_lock; | |
509 | struct mesh_preq_queue preq_queue; | |
510 | int preq_queue_len; | |
511 | struct mesh_stats mshstats; | |
512 | struct mesh_config mshcfg; | |
513 | u32 mesh_seqnum; | |
514 | bool accepting_plinks; | |
581a8b0f JC |
515 | const u8 *ie; |
516 | u8 ie_len; | |
b130e5ce JC |
517 | enum { |
518 | IEEE80211_MESH_SEC_NONE = 0x0, | |
519 | IEEE80211_MESH_SEC_AUTHED = 0x1, | |
520 | IEEE80211_MESH_SEC_SECURED = 0x2, | |
521 | } security; | |
472dbc45 | 522 | }; |
902acc78 JB |
523 | |
524 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
525 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
526 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 527 | #else |
472dbc45 | 528 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
529 | do { } while (0) |
530 | #endif | |
f0706e82 | 531 | |
213cd118 JB |
532 | /** |
533 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
534 | * | |
535 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
536 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
213cd118 JB |
537 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
538 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
539 | * associated stations and deliver multicast frames both | |
540 | * back to wireless media and to the local net stack. | |
541 | */ | |
542 | enum ieee80211_sub_if_data_flags { | |
543 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
544 | IEEE80211_SDATA_PROMISC = BIT(1), | |
7986cf95 JB |
545 | IEEE80211_SDATA_OPERATING_GMODE = BIT(2), |
546 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), | |
213cd118 JB |
547 | }; |
548 | ||
34d4bc4d JB |
549 | /** |
550 | * enum ieee80211_sdata_state_bits - virtual interface state bits | |
551 | * @SDATA_STATE_RUNNING: virtual interface is up & running; this | |
552 | * mirrors netif_running() but is separate for interface type | |
553 | * change handling while the interface is up | |
5b714c6a JB |
554 | * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel |
555 | * mode, so queues are stopped | |
34d4bc4d JB |
556 | */ |
557 | enum ieee80211_sdata_state_bits { | |
558 | SDATA_STATE_RUNNING, | |
5b714c6a | 559 | SDATA_STATE_OFFCHANNEL, |
34d4bc4d JB |
560 | }; |
561 | ||
f0706e82 JB |
562 | struct ieee80211_sub_if_data { |
563 | struct list_head list; | |
f0706e82 JB |
564 | |
565 | struct wireless_dev wdev; | |
566 | ||
11a843b7 JB |
567 | /* keys */ |
568 | struct list_head key_list; | |
569 | ||
3bff1865 YAP |
570 | /* count for keys needing tailroom space allocation */ |
571 | int crypto_tx_tailroom_needed_cnt; | |
572 | ||
f0706e82 JB |
573 | struct net_device *dev; |
574 | struct ieee80211_local *local; | |
575 | ||
13262ffd | 576 | unsigned int flags; |
7e9ed188 | 577 | |
34d4bc4d JB |
578 | unsigned long state; |
579 | ||
f0706e82 | 580 | int drop_unencrypted; |
f0706e82 | 581 | |
47846c9b JB |
582 | char name[IFNAMSIZ]; |
583 | ||
413ad50a JB |
584 | /* |
585 | * keep track of whether the HT opmode (stored in | |
586 | * vif.bss_info.ht_operation_mode) is valid. | |
587 | */ | |
588 | bool ht_opmode_valid; | |
589 | ||
7da7cc1d JB |
590 | /* to detect idle changes */ |
591 | bool old_idle; | |
592 | ||
f0706e82 JB |
593 | /* Fragment table for host-based reassembly */ |
594 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
595 | unsigned int fragment_next; | |
596 | ||
40b275b6 JB |
597 | struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; |
598 | struct ieee80211_key __rcu *default_unicast_key; | |
599 | struct ieee80211_key __rcu *default_multicast_key; | |
600 | struct ieee80211_key __rcu *default_mgmt_key; | |
f0706e82 | 601 | |
94778280 | 602 | u16 sequence_number; |
a621fa4d JB |
603 | __be16 control_port_protocol; |
604 | bool control_port_no_encrypt; | |
94778280 | 605 | |
64592c8f | 606 | struct work_struct work; |
35f20c14 JB |
607 | struct sk_buff_head skb_queue; |
608 | ||
68542962 JO |
609 | bool arp_filter_state; |
610 | ||
471b3efd | 611 | /* |
3e122be0 JB |
612 | * AP this belongs to: self in AP mode and |
613 | * corresponding AP in VLAN mode, NULL for | |
614 | * all others (might be needed later in IBSS) | |
471b3efd | 615 | */ |
3e122be0 JB |
616 | struct ieee80211_if_ap *bss; |
617 | ||
37eb0b16 JM |
618 | /* bitmap of allowed (non-MCS) rate indexes for rate control */ |
619 | u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; | |
f0706e82 JB |
620 | |
621 | union { | |
622 | struct ieee80211_if_ap ap; | |
623 | struct ieee80211_if_wds wds; | |
624 | struct ieee80211_if_vlan vlan; | |
46900298 JB |
625 | struct ieee80211_if_managed mgd; |
626 | struct ieee80211_if_ibss ibss; | |
472dbc45 | 627 | struct ieee80211_if_mesh mesh; |
8cc9a739 | 628 | u32 mntr_flags; |
f0706e82 | 629 | } u; |
e9f207f0 JB |
630 | |
631 | #ifdef CONFIG_MAC80211_DEBUGFS | |
2b58b209 | 632 | struct { |
7bcfaf2f | 633 | struct dentry *dir; |
295bafb4 | 634 | struct dentry *subdir_stations; |
f7e0104c JB |
635 | struct dentry *default_unicast_key; |
636 | struct dentry *default_multicast_key; | |
3cfcf6ac | 637 | struct dentry *default_mgmt_key; |
7bcfaf2f | 638 | } debugfs; |
e9f207f0 | 639 | #endif |
32bfd35d JB |
640 | /* must be last, dynamically sized area in this! */ |
641 | struct ieee80211_vif vif; | |
f0706e82 JB |
642 | }; |
643 | ||
32bfd35d JB |
644 | static inline |
645 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
646 | { | |
647 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
648 | } | |
649 | ||
c1475ca9 JB |
650 | enum sdata_queue_type { |
651 | IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, | |
652 | IEEE80211_SDATA_QUEUE_AGG_START = 1, | |
653 | IEEE80211_SDATA_QUEUE_AGG_STOP = 2, | |
654 | }; | |
655 | ||
f0706e82 JB |
656 | enum { |
657 | IEEE80211_RX_MSG = 1, | |
658 | IEEE80211_TX_STATUS_MSG = 2, | |
659 | }; | |
660 | ||
ce7c9111 KV |
661 | enum queue_stop_reason { |
662 | IEEE80211_QUEUE_STOP_REASON_DRIVER, | |
520eb820 | 663 | IEEE80211_QUEUE_STOP_REASON_PS, |
96f5e66e JB |
664 | IEEE80211_QUEUE_STOP_REASON_CSA, |
665 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, | |
25420604 | 666 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
8f77f384 | 667 | IEEE80211_QUEUE_STOP_REASON_SKB_ADD, |
ce7c9111 KV |
668 | }; |
669 | ||
65a6538a | 670 | #ifdef CONFIG_MAC80211_LEDS |
e1e54068 JB |
671 | struct tpt_led_trigger { |
672 | struct led_trigger trig; | |
673 | char name[32]; | |
674 | const struct ieee80211_tpt_blink *blink_table; | |
675 | unsigned int blink_table_len; | |
676 | struct timer_list timer; | |
e1e54068 JB |
677 | unsigned long prev_traffic; |
678 | unsigned long tx_bytes, rx_bytes; | |
67408c8c JB |
679 | unsigned int active, want; |
680 | bool running; | |
e1e54068 | 681 | }; |
65a6538a | 682 | #endif |
e1e54068 | 683 | |
142b9f50 HS |
684 | /** |
685 | * mac80211 scan flags - currently active scan mode | |
686 | * | |
687 | * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as | |
688 | * well be on the operating channel | |
689 | * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to | |
690 | * determine if we are on the operating channel or not | |
8789d459 JB |
691 | * @SCAN_COMPLETED: Set for our scan work function when the driver reported |
692 | * that the scan completed. | |
693 | * @SCAN_ABORTED: Set for our scan work function when the driver reported | |
694 | * a scan complete for an aborted scan. | |
142b9f50 | 695 | */ |
fbe9c429 HS |
696 | enum { |
697 | SCAN_SW_SCANNING, | |
142b9f50 | 698 | SCAN_HW_SCANNING, |
8789d459 JB |
699 | SCAN_COMPLETED, |
700 | SCAN_ABORTED, | |
142b9f50 HS |
701 | }; |
702 | ||
703 | /** | |
704 | * enum mac80211_scan_state - scan state machine states | |
705 | * | |
706 | * @SCAN_DECISION: Main entry point to the scan state machine, this state | |
707 | * determines if we should keep on scanning or switch back to the | |
708 | * operating channel | |
709 | * @SCAN_SET_CHANNEL: Set the next channel to be scanned | |
710 | * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses | |
711 | * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP | |
712 | * about us leaving the channel and stop all associated STA interfaces | |
713 | * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the | |
714 | * AP about us being back and restart all associated STA interfaces | |
715 | */ | |
716 | enum mac80211_scan_state { | |
717 | SCAN_DECISION, | |
718 | SCAN_SET_CHANNEL, | |
719 | SCAN_SEND_PROBE, | |
720 | SCAN_LEAVE_OPER_CHANNEL, | |
721 | SCAN_ENTER_OPER_CHANNEL, | |
fbe9c429 HS |
722 | }; |
723 | ||
f0706e82 JB |
724 | struct ieee80211_local { |
725 | /* embed the driver visible part. | |
726 | * don't cast (use the static inlines below), but we keep | |
727 | * it first anyway so they become a no-op */ | |
728 | struct ieee80211_hw hw; | |
729 | ||
730 | const struct ieee80211_ops *ops; | |
731 | ||
af6b6374 JB |
732 | /* |
733 | * work stuff, potentially off-channel (in the future) | |
734 | */ | |
af6b6374 JB |
735 | struct list_head work_list; |
736 | struct timer_list work_timer; | |
737 | struct work_struct work_work; | |
738 | struct sk_buff_head work_skb_queue; | |
739 | ||
42935eca LR |
740 | /* |
741 | * private workqueue to mac80211. mac80211 makes this accessible | |
742 | * via ieee80211_queue_work() | |
743 | */ | |
744 | struct workqueue_struct *workqueue; | |
745 | ||
e4e72fb4 | 746 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
96f5e66e | 747 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
ce7c9111 | 748 | spinlock_t queue_stop_reason_lock; |
96f5e66e | 749 | |
f0706e82 | 750 | int open_count; |
3d30d949 | 751 | int monitors, cooked_mntrs; |
8cc9a739 | 752 | /* number of interfaces with corresponding FIF_ flags */ |
7be5086d JB |
753 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, |
754 | fif_probe_req; | |
755 | int probe_req_reg; | |
4150c572 | 756 | unsigned int filter_flags; /* FIF_* */ |
3b8d81e0 | 757 | |
3ffc2a90 JB |
758 | bool wiphy_ciphers_allocated; |
759 | ||
3b8d81e0 JB |
760 | /* protects the aggregated multicast list and filter calls */ |
761 | spinlock_t filter_lock; | |
762 | ||
3ac64bee JB |
763 | /* used for uploading changed mc list */ |
764 | struct work_struct reconfig_filter; | |
765 | ||
0f78231b JB |
766 | /* used to reconfigure hardware SM PS */ |
767 | struct work_struct recalc_smps; | |
768 | ||
3b8d81e0 | 769 | /* aggregated multicast list */ |
22bedad3 | 770 | struct netdev_hw_addr_list mc_list; |
3b8d81e0 | 771 | |
d0709a65 | 772 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
5bb644a0 JB |
773 | |
774 | /* | |
775 | * suspended is true if we finished all the suspend _and_ we have | |
776 | * not yet come up from resume. This is to be used by mac80211 | |
777 | * to ensure driver sanity during suspend and mac80211's own | |
778 | * sanity. It can eventually be used for WoW as well. | |
779 | */ | |
780 | bool suspended; | |
781 | ||
ceb99fe0 JB |
782 | /* |
783 | * Resuming is true while suspended, but when we're reprogramming the | |
784 | * hardware -- at that time it's allowed to use ieee80211_queue_work() | |
785 | * again even though some other parts of the stack are still suspended | |
786 | * and we still drop received frames to avoid waking the stack. | |
787 | */ | |
788 | bool resuming; | |
789 | ||
5bb644a0 JB |
790 | /* |
791 | * quiescing is true during the suspend process _only_ to | |
792 | * ease timer cancelling etc. | |
793 | */ | |
794 | bool quiescing; | |
795 | ||
ea77f12f JB |
796 | /* device is started */ |
797 | bool started; | |
798 | ||
eecc4800 JB |
799 | /* wowlan is enabled -- don't reconfig on resume */ |
800 | bool wowlan; | |
801 | ||
b306f453 | 802 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 803 | |
f0706e82 JB |
804 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
805 | * added to skb_queue will be processed, but frames in | |
806 | * skb_queue_unreliable may be dropped if the total length of these | |
807 | * queues increases over the limit. */ | |
808 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
809 | struct tasklet_struct tasklet; | |
810 | struct sk_buff_head skb_queue; | |
811 | struct sk_buff_head skb_queue_unreliable; | |
812 | ||
24a8fdad CL |
813 | /* |
814 | * Internal FIFO queue which is shared between multiple rx path | |
815 | * stages. Its main task is to provide a serialization mechanism, | |
816 | * so all rx handlers can enjoy having exclusive access to their | |
817 | * private data structures. | |
818 | */ | |
819 | struct sk_buff_head rx_skb_queue; | |
820 | bool running_rx_handler; /* protected by rx_skb_queue.lock */ | |
821 | ||
d0709a65 JB |
822 | /* Station data */ |
823 | /* | |
34e89507 JB |
824 | * The mutex only protects the list and counter, |
825 | * reads are done in RCU. | |
826 | * Additionally, the lock protects the hash table, | |
827 | * the pending list and each BSS's TIM bitmap. | |
d0709a65 | 828 | */ |
34e89507 | 829 | struct mutex sta_mtx; |
d0709a65 JB |
830 | spinlock_t sta_lock; |
831 | unsigned long num_sta; | |
34e89507 | 832 | struct list_head sta_list, sta_pending_list; |
40b275b6 | 833 | struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; |
f0706e82 | 834 | struct timer_list sta_cleanup; |
34e89507 | 835 | struct work_struct sta_finish_work; |
f5ea9120 | 836 | int sta_generation; |
f0706e82 | 837 | |
2a577d98 | 838 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
839 | struct tasklet_struct tx_pending_tasklet; |
840 | ||
a6a67db2 | 841 | atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; |
cd8ffc80 | 842 | |
53918994 JB |
843 | /* number of interfaces with corresponding IFF_ flags */ |
844 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
845 | |
846 | struct rate_control_ref *rate_ctrl; | |
847 | ||
5f9f1812 FF |
848 | struct crypto_cipher *wep_tx_tfm; |
849 | struct crypto_cipher *wep_rx_tfm; | |
f0706e82 | 850 | u32 wep_iv; |
f0706e82 | 851 | |
c771c9d8 | 852 | /* see iface.c */ |
79010420 | 853 | struct list_head interfaces; |
c771c9d8 | 854 | struct mutex iflist_mtx; |
79010420 | 855 | |
b16bd15c | 856 | /* |
ad0e2b5a | 857 | * Key mutex, protects sdata's key_list and sta_info's |
b16bd15c JB |
858 | * key pointers (write access, they're RCU.) |
859 | */ | |
ad0e2b5a | 860 | struct mutex key_mtx; |
b16bd15c | 861 | |
a1699b75 JB |
862 | /* mutex for scan and work locking */ |
863 | struct mutex mtx; | |
b16bd15c | 864 | |
c2b13452 | 865 | /* Scanning and BSS list */ |
fbe9c429 | 866 | unsigned long scanning; |
2a519311 | 867 | struct cfg80211_ssid scan_ssid; |
5ba63533 | 868 | struct cfg80211_scan_request *int_scan_req; |
4d36ec58 | 869 | struct cfg80211_scan_request *scan_req, *hw_scan_req; |
2a519311 | 870 | struct ieee80211_channel *scan_channel; |
4d36ec58 | 871 | enum ieee80211_band hw_scan_band; |
f0706e82 | 872 | int scan_channel_idx; |
de95a54b | 873 | int scan_ies_len; |
8318d78a | 874 | |
79f460ca LC |
875 | bool sched_scanning; |
876 | struct ieee80211_sched_scan_ies sched_scan_ies; | |
85a9994a | 877 | struct work_struct sched_scan_stopped_work; |
79f460ca | 878 | |
df13cce5 | 879 | unsigned long leave_oper_channel_time; |
977923b0 | 880 | enum mac80211_scan_state next_scan_state; |
f0706e82 | 881 | struct delayed_work scan_work; |
491775a5 | 882 | struct ieee80211_sub_if_data *scan_sdata; |
0aaffa9b | 883 | enum nl80211_channel_type _oper_channel_type; |
2a519311 | 884 | struct ieee80211_channel *oper_channel, *csa_channel; |
f0706e82 | 885 | |
b8bc4b0a JB |
886 | /* Temporary remain-on-channel for off-channel operations */ |
887 | struct ieee80211_channel *tmp_channel; | |
888 | enum nl80211_channel_type tmp_channel_type; | |
889 | ||
f0706e82 JB |
890 | /* SNMP counters */ |
891 | /* dot11CountersTable */ | |
892 | u32 dot11TransmittedFragmentCount; | |
893 | u32 dot11MulticastTransmittedFrameCount; | |
894 | u32 dot11FailedCount; | |
895 | u32 dot11RetryCount; | |
896 | u32 dot11MultipleRetryCount; | |
897 | u32 dot11FrameDuplicateCount; | |
898 | u32 dot11ReceivedFragmentCount; | |
899 | u32 dot11MulticastReceivedFrameCount; | |
900 | u32 dot11TransmittedFrameCount; | |
f0706e82 JB |
901 | |
902 | #ifdef CONFIG_MAC80211_LEDS | |
903 | int tx_led_counter, rx_led_counter; | |
cdcb006f | 904 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
e1e54068 | 905 | struct tpt_led_trigger *tpt_led_trigger; |
cdcb006f ID |
906 | char tx_led_name[32], rx_led_name[32], |
907 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
908 | #endif |
909 | ||
f0706e82 JB |
910 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
911 | /* TX/RX handler statistics */ | |
912 | unsigned int tx_handlers_drop; | |
913 | unsigned int tx_handlers_queued; | |
914 | unsigned int tx_handlers_drop_unencrypted; | |
915 | unsigned int tx_handlers_drop_fragment; | |
916 | unsigned int tx_handlers_drop_wep; | |
917 | unsigned int tx_handlers_drop_not_assoc; | |
918 | unsigned int tx_handlers_drop_unauth_port; | |
919 | unsigned int rx_handlers_drop; | |
920 | unsigned int rx_handlers_queued; | |
921 | unsigned int rx_handlers_drop_nullfunc; | |
922 | unsigned int rx_handlers_drop_defrag; | |
923 | unsigned int rx_handlers_drop_short; | |
924 | unsigned int rx_handlers_drop_passive_scan; | |
925 | unsigned int tx_expand_skb_head; | |
926 | unsigned int tx_expand_skb_head_cloned; | |
927 | unsigned int rx_expand_skb_head; | |
928 | unsigned int rx_expand_skb_head2; | |
929 | unsigned int rx_handlers_fragments; | |
930 | unsigned int tx_status_drop; | |
f0706e82 JB |
931 | #define I802_DEBUG_INC(c) (c)++ |
932 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
933 | #define I802_DEBUG_INC(c) do { } while (0) | |
934 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
935 | ||
936 | ||
f0706e82 JB |
937 | int total_ps_buffered; /* total number of all buffered unicast and |
938 | * multicast packets for power saving stations | |
939 | */ | |
f0706e82 JB |
940 | int wifi_wme_noack_test; |
941 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
520eb820 | 942 | |
50ae0cf1 KV |
943 | /* |
944 | * Bitmask of enabled u-apsd queues, | |
945 | * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association | |
946 | * to take effect. | |
947 | */ | |
948 | unsigned int uapsd_queues; | |
949 | ||
950 | /* | |
951 | * Maximum number of buffered frames AP can deliver during a | |
952 | * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. | |
953 | * Needs a new association to take effect. | |
954 | */ | |
955 | unsigned int uapsd_max_sp_len; | |
956 | ||
572e0012 | 957 | bool pspolling; |
b203ffc3 | 958 | bool offchannel_ps_enabled; |
965bedad JB |
959 | /* |
960 | * PS can only be enabled when we have exactly one managed | |
961 | * interface (and monitors) in PS, this then points there. | |
962 | */ | |
963 | struct ieee80211_sub_if_data *ps_sdata; | |
520eb820 KV |
964 | struct work_struct dynamic_ps_enable_work; |
965 | struct work_struct dynamic_ps_disable_work; | |
966 | struct timer_list dynamic_ps_timer; | |
10f644a4 | 967 | struct notifier_block network_latency_notifier; |
2b2c009e | 968 | struct notifier_block ifa_notifier; |
f0706e82 | 969 | |
ff616381 JO |
970 | /* |
971 | * The dynamic ps timeout configured from user space via WEXT - | |
972 | * this will override whatever chosen by mac80211 internally. | |
973 | */ | |
974 | int dynamic_ps_forced_timeout; | |
f90754c1 JO |
975 | int dynamic_ps_user_timeout; |
976 | bool disable_dynamic_ps; | |
ff616381 | 977 | |
2bf30fab | 978 | int user_power_level; /* in dBm */ |
a8302de9 | 979 | int power_constr_level; /* in dBm */ |
2bf30fab | 980 | |
0f78231b JB |
981 | enum ieee80211_smps_mode smps_mode; |
982 | ||
f2753ddb JB |
983 | struct work_struct restart_work; |
984 | ||
e9f207f0 JB |
985 | #ifdef CONFIG_MAC80211_DEBUGFS |
986 | struct local_debugfsdentries { | |
4b7679a5 | 987 | struct dentry *rcdir; |
e9f207f0 JB |
988 | struct dentry *keys; |
989 | } debugfs; | |
990 | #endif | |
4e6cbfd0 | 991 | |
21f83589 JB |
992 | struct ieee80211_channel *hw_roc_channel; |
993 | struct net_device *hw_roc_dev; | |
4334ec85 | 994 | struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status; |
21f83589 JB |
995 | struct work_struct hw_roc_start, hw_roc_done; |
996 | enum nl80211_channel_type hw_roc_channel_type; | |
997 | unsigned int hw_roc_duration; | |
998 | u32 hw_roc_cookie; | |
90fc4b3a | 999 | bool hw_roc_for_tx; |
5f16a436 | 1000 | unsigned long hw_offchan_tx_cookie; |
21f83589 | 1001 | |
4e6cbfd0 JL |
1002 | /* dummy netdev for use w/ NAPI */ |
1003 | struct net_device napi_dev; | |
1004 | ||
1005 | struct napi_struct napi; | |
f0706e82 JB |
1006 | }; |
1007 | ||
3e122be0 JB |
1008 | static inline struct ieee80211_sub_if_data * |
1009 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
1010 | { | |
3e122be0 JB |
1011 | return netdev_priv(dev); |
1012 | } | |
1013 | ||
c1475ca9 | 1014 | /* this struct represents 802.11n's RA/TID combination */ |
eadc8d9e RR |
1015 | struct ieee80211_ra_tid { |
1016 | u8 ra[ETH_ALEN]; | |
1017 | u16 tid; | |
1018 | }; | |
1019 | ||
ee385855 LCC |
1020 | /* Parsed Information Elements */ |
1021 | struct ieee802_11_elems { | |
43ac2ca3 JM |
1022 | u8 *ie_start; |
1023 | size_t total_len; | |
1024 | ||
ee385855 LCC |
1025 | /* pointers to IEs */ |
1026 | u8 *ssid; | |
1027 | u8 *supp_rates; | |
1028 | u8 *fh_params; | |
1029 | u8 *ds_params; | |
1030 | u8 *cf_params; | |
e7ec86f5 | 1031 | struct ieee80211_tim_ie *tim; |
ee385855 LCC |
1032 | u8 *ibss_params; |
1033 | u8 *challenge; | |
1034 | u8 *wpa; | |
1035 | u8 *rsn; | |
1036 | u8 *erp_info; | |
1037 | u8 *ext_supp_rates; | |
1038 | u8 *wmm_info; | |
1039 | u8 *wmm_param; | |
09914813 | 1040 | struct ieee80211_ht_cap *ht_cap_elem; |
d9fe60de | 1041 | struct ieee80211_ht_info *ht_info_elem; |
136cfa28 | 1042 | struct ieee80211_meshconf_ie *mesh_config; |
ee385855 LCC |
1043 | u8 *mesh_id; |
1044 | u8 *peer_link; | |
1045 | u8 *preq; | |
1046 | u8 *prep; | |
1047 | u8 *perr; | |
90a5e169 | 1048 | struct ieee80211_rann_ie *rann; |
f2df3859 AK |
1049 | u8 *ch_switch_elem; |
1050 | u8 *country_elem; | |
1051 | u8 *pwr_constr_elem; | |
1052 | u8 *quiet_elem; /* first quite element */ | |
f797eb7e | 1053 | u8 *timeout_int; |
ee385855 LCC |
1054 | |
1055 | /* length of them, respectively */ | |
1056 | u8 ssid_len; | |
1057 | u8 supp_rates_len; | |
1058 | u8 fh_params_len; | |
1059 | u8 ds_params_len; | |
1060 | u8 cf_params_len; | |
1061 | u8 tim_len; | |
1062 | u8 ibss_params_len; | |
1063 | u8 challenge_len; | |
1064 | u8 wpa_len; | |
1065 | u8 rsn_len; | |
1066 | u8 erp_info_len; | |
1067 | u8 ext_supp_rates_len; | |
1068 | u8 wmm_info_len; | |
1069 | u8 wmm_param_len; | |
ee385855 LCC |
1070 | u8 mesh_id_len; |
1071 | u8 peer_link_len; | |
1072 | u8 preq_len; | |
1073 | u8 prep_len; | |
1074 | u8 perr_len; | |
f2df3859 AK |
1075 | u8 ch_switch_elem_len; |
1076 | u8 country_elem_len; | |
1077 | u8 pwr_constr_elem_len; | |
1078 | u8 quiet_elem_len; | |
1079 | u8 num_of_quiet_elem; /* can be more the one */ | |
f797eb7e | 1080 | u8 timeout_int_len; |
ee385855 LCC |
1081 | }; |
1082 | ||
f0706e82 JB |
1083 | static inline struct ieee80211_local *hw_to_local( |
1084 | struct ieee80211_hw *hw) | |
1085 | { | |
1086 | return container_of(hw, struct ieee80211_local, hw); | |
1087 | } | |
1088 | ||
1089 | static inline struct ieee80211_hw *local_to_hw( | |
1090 | struct ieee80211_local *local) | |
1091 | { | |
1092 | return &local->hw; | |
1093 | } | |
1094 | ||
f0706e82 | 1095 | |
571ecf67 JB |
1096 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
1097 | { | |
1098 | return compare_ether_addr(raddr, addr) == 0 || | |
1099 | is_broadcast_ether_addr(raddr); | |
1100 | } | |
1101 | ||
1102 | ||
e8975581 | 1103 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
5cf121c3 | 1104 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
9c6bd790 JB |
1105 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
1106 | u32 changed); | |
0d143fe1 | 1107 | void ieee80211_configure_filter(struct ieee80211_local *local); |
46900298 | 1108 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
f0706e82 | 1109 | |
46900298 | 1110 | /* STA code */ |
9c6bd790 | 1111 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
77fdaa12 JB |
1112 | int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, |
1113 | struct cfg80211_auth_request *req); | |
1114 | int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, | |
1115 | struct cfg80211_assoc_request *req); | |
1116 | int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, | |
667503dd JB |
1117 | struct cfg80211_deauth_request *req, |
1118 | void *cookie); | |
77fdaa12 | 1119 | int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, |
667503dd JB |
1120 | struct cfg80211_disassoc_request *req, |
1121 | void *cookie); | |
572e0012 KV |
1122 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
1123 | struct ieee80211_sub_if_data *sdata); | |
10f644a4 JB |
1124 | void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); |
1125 | int ieee80211_max_network_latency(struct notifier_block *nb, | |
1126 | unsigned long data, void *dummy); | |
2b2c009e | 1127 | int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); |
cc32abd4 JB |
1128 | void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, |
1129 | struct ieee80211_channel_sw_ie *sw_elem, | |
5ce6e438 JB |
1130 | struct ieee80211_bss *bss, |
1131 | u64 timestamp); | |
5bb644a0 JB |
1132 | void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); |
1133 | void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); | |
1fa57d01 JB |
1134 | void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); |
1135 | void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1136 | struct sk_buff *skb); | |
d3a910a8 | 1137 | void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); |
be099e82 | 1138 | void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); |
9c6bd790 | 1139 | |
46900298 | 1140 | /* IBSS code */ |
46900298 JB |
1141 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); |
1142 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
46900298 | 1143 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, |
34e89507 JB |
1144 | u8 *bssid, u8 *addr, u32 supp_rates, |
1145 | gfp_t gfp); | |
af8cdcd8 JB |
1146 | int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, |
1147 | struct cfg80211_ibss_params *params); | |
1148 | int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); | |
5bb644a0 JB |
1149 | void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); |
1150 | void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); | |
1fa57d01 JB |
1151 | void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); |
1152 | void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1153 | struct sk_buff *skb); | |
1154 | ||
1155 | /* mesh code */ | |
1156 | void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); | |
1157 | void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1158 | struct sk_buff *skb); | |
46900298 | 1159 | |
9c6bd790 | 1160 | /* scan/BSS handling */ |
46900298 | 1161 | void ieee80211_scan_work(struct work_struct *work); |
f3b85252 | 1162 | int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, |
be4a4b6a JB |
1163 | const u8 *ssid, u8 ssid_len, |
1164 | struct ieee80211_channel *chan); | |
c2b13452 | 1165 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
2a519311 | 1166 | struct cfg80211_scan_request *req); |
5bb644a0 | 1167 | void ieee80211_scan_cancel(struct ieee80211_local *local); |
c2b13452 | 1168 | ieee80211_rx_result |
f1d58c25 | 1169 | ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
9c6bd790 | 1170 | |
0a51b27e | 1171 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
c2b13452 | 1172 | struct ieee80211_bss * |
98c8fccf JB |
1173 | ieee80211_bss_info_update(struct ieee80211_local *local, |
1174 | struct ieee80211_rx_status *rx_status, | |
1175 | struct ieee80211_mgmt *mgmt, | |
1176 | size_t len, | |
1177 | struct ieee802_11_elems *elems, | |
2a519311 JB |
1178 | struct ieee80211_channel *channel, |
1179 | bool beacon); | |
c2b13452 | 1180 | struct ieee80211_bss * |
5484e237 JB |
1181 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, |
1182 | u8 *ssid, u8 ssid_len); | |
98c8fccf | 1183 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 1184 | struct ieee80211_bss *bss); |
ee385855 | 1185 | |
79f460ca LC |
1186 | /* scheduled scan handling */ |
1187 | int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, | |
1188 | struct cfg80211_sched_scan_request *req); | |
85a9994a LC |
1189 | int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); |
1190 | void ieee80211_sched_scan_stopped_work(struct work_struct *work); | |
79f460ca | 1191 | |
b203ffc3 | 1192 | /* off-channel helpers */ |
b23b025f BG |
1193 | bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local); |
1194 | void ieee80211_offchannel_enable_all_ps(struct ieee80211_local *local, | |
1195 | bool tell_ap); | |
1196 | void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, | |
1197 | bool offchannel_ps_enable); | |
b203ffc3 | 1198 | void ieee80211_offchannel_return(struct ieee80211_local *local, |
b23b025f BG |
1199 | bool enable_beaconing, |
1200 | bool offchannel_ps_disable); | |
21f83589 | 1201 | void ieee80211_hw_roc_setup(struct ieee80211_local *local); |
b203ffc3 | 1202 | |
3e122be0 | 1203 | /* interface handling */ |
47846c9b JB |
1204 | int ieee80211_iface_init(void); |
1205 | void ieee80211_iface_exit(void); | |
3e122be0 | 1206 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
05c914fe | 1207 | struct net_device **new_dev, enum nl80211_iftype type, |
ee385855 | 1208 | struct vif_params *params); |
f3947e2d | 1209 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
05c914fe | 1210 | enum nl80211_iftype type); |
f698d856 | 1211 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 1212 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
5cff20e6 JB |
1213 | u32 __ieee80211_recalc_idle(struct ieee80211_local *local); |
1214 | void ieee80211_recalc_idle(struct ieee80211_local *local); | |
85416a4f CL |
1215 | void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, |
1216 | const int offset); | |
f0706e82 | 1217 | |
9607e6b6 JB |
1218 | static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) |
1219 | { | |
34d4bc4d | 1220 | return test_bit(SDATA_STATE_RUNNING, &sdata->state); |
9607e6b6 JB |
1221 | } |
1222 | ||
e2ebc74d | 1223 | /* tx handling */ |
e2ebc74d JB |
1224 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
1225 | void ieee80211_tx_pending(unsigned long data); | |
d0cf9c0d SH |
1226 | netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, |
1227 | struct net_device *dev); | |
1228 | netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, | |
1229 | struct net_device *dev); | |
e2ebc74d | 1230 | |
fe7a5d5c JB |
1231 | /* |
1232 | * radiotap header for status frames | |
1233 | */ | |
1234 | struct ieee80211_tx_status_rtap_hdr { | |
1235 | struct ieee80211_radiotap_header hdr; | |
1236 | u8 rate; | |
1237 | u8 padding_for_rate; | |
1238 | __le16 tx_flags; | |
1239 | u8 data_retries; | |
bc10502d | 1240 | } __packed; |
fe7a5d5c JB |
1241 | |
1242 | ||
de1ede7a | 1243 | /* HT */ |
ae5eb026 JB |
1244 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, |
1245 | struct ieee80211_ht_cap *ht_cap_ie, | |
d9fe60de | 1246 | struct ieee80211_sta_ht_cap *ht_cap); |
de1ede7a | 1247 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); |
b8695a8f JB |
1248 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
1249 | const u8 *da, u16 tid, | |
1250 | u16 initiator, u16 reason_code); | |
0f78231b JB |
1251 | int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, |
1252 | enum ieee80211_smps_mode smps, const u8 *da, | |
1253 | const u8 *bssid); | |
d1f5b7a3 | 1254 | void ieee80211_request_smps_work(struct work_struct *work); |
de1ede7a | 1255 | |
7c3b1dd8 | 1256 | void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 | 1257 | u16 initiator, u16 reason, bool stop); |
849b7967 | 1258 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 JB |
1259 | u16 initiator, u16 reason, bool stop); |
1260 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx); | |
de1ede7a JB |
1261 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
1262 | struct sta_info *sta, | |
1263 | struct ieee80211_mgmt *mgmt, size_t len); | |
1264 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
1265 | struct sta_info *sta, | |
1266 | struct ieee80211_mgmt *mgmt, | |
1267 | size_t len); | |
1268 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
1269 | struct sta_info *sta, | |
1270 | struct ieee80211_mgmt *mgmt, | |
1271 | size_t len); | |
1272 | ||
849b7967 | 1273 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 JB |
1274 | enum ieee80211_back_parties initiator, |
1275 | bool tx); | |
67c282c0 | 1276 | int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 JB |
1277 | enum ieee80211_back_parties initiator, |
1278 | bool tx); | |
5d22c89b JB |
1279 | void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); |
1280 | void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); | |
67c282c0 JB |
1281 | void ieee80211_ba_session_work(struct work_struct *work); |
1282 | void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); | |
2bff8ebf | 1283 | void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); |
849b7967 | 1284 | |
39192c0b JB |
1285 | /* Spectrum management */ |
1286 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
1287 | struct ieee80211_mgmt *mgmt, | |
1288 | size_t len); | |
1289 | ||
f2753ddb JB |
1290 | /* Suspend/resume and hw reconfiguration */ |
1291 | int ieee80211_reconfig(struct ieee80211_local *local); | |
84f6a01c | 1292 | void ieee80211_stop_device(struct ieee80211_local *local); |
f2753ddb | 1293 | |
827b1fb4 | 1294 | #ifdef CONFIG_PM |
eecc4800 JB |
1295 | int __ieee80211_suspend(struct ieee80211_hw *hw, |
1296 | struct cfg80211_wowlan *wowlan); | |
f2753ddb JB |
1297 | |
1298 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) | |
1299 | { | |
85f72bc8 JL |
1300 | struct ieee80211_local *local = hw_to_local(hw); |
1301 | ||
1302 | WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), | |
1303 | "%s: resume with hardware scan still in progress\n", | |
1304 | wiphy_name(hw->wiphy)); | |
1305 | ||
f2753ddb JB |
1306 | return ieee80211_reconfig(hw_to_local(hw)); |
1307 | } | |
827b1fb4 | 1308 | #else |
eecc4800 JB |
1309 | static inline int __ieee80211_suspend(struct ieee80211_hw *hw, |
1310 | struct cfg80211_wowlan *wowlan) | |
827b1fb4 JB |
1311 | { |
1312 | return 0; | |
1313 | } | |
f2753ddb | 1314 | |
827b1fb4 JB |
1315 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) |
1316 | { | |
1317 | return 0; | |
1318 | } | |
1319 | #endif | |
665af4fc | 1320 | |
c2d1560a JB |
1321 | /* utility functions/constants */ |
1322 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
71364716 | 1323 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
05c914fe | 1324 | enum nl80211_iftype type); |
c2d1560a JB |
1325 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
1326 | int rate, int erp, int short_preamble); | |
f698d856 | 1327 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
e6d6e342 JB |
1328 | struct ieee80211_hdr *hdr, const u8 *tsc, |
1329 | gfp_t gfp); | |
5825fe10 | 1330 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); |
62ae67be | 1331 | void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
9c6bd790 JB |
1332 | void ieee802_11_parse_elems(u8 *start, size_t len, |
1333 | struct ieee802_11_elems *elems); | |
d91f36db JB |
1334 | u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, |
1335 | struct ieee802_11_elems *elems, | |
1336 | u64 filter, u32 crc); | |
881d948c | 1337 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
96dd22ac | 1338 | enum ieee80211_band band); |
f0706e82 | 1339 | |
520eb820 KV |
1340 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
1341 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); | |
1342 | void ieee80211_dynamic_ps_timer(unsigned long data); | |
a97b77b9 VN |
1343 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
1344 | struct ieee80211_sub_if_data *sdata, | |
1345 | int powersave); | |
3cf335d5 KV |
1346 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
1347 | struct ieee80211_hdr *hdr); | |
4e5ff376 | 1348 | void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, |
04ac3c0e | 1349 | struct ieee80211_hdr *hdr, bool ack); |
1e4dcd01 | 1350 | void ieee80211_beacon_connection_loss_work(struct work_struct *work); |
520eb820 | 1351 | |
ce7c9111 KV |
1352 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
1353 | enum queue_stop_reason reason); | |
1354 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, | |
1355 | enum queue_stop_reason reason); | |
96f5e66e JB |
1356 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
1357 | enum queue_stop_reason reason); | |
1358 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, | |
1359 | enum queue_stop_reason reason); | |
8f77f384 JB |
1360 | void ieee80211_add_pending_skb(struct ieee80211_local *local, |
1361 | struct sk_buff *skb); | |
1362 | int ieee80211_add_pending_skbs(struct ieee80211_local *local, | |
1363 | struct sk_buff_head *skbs); | |
50a9432d JB |
1364 | int ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, |
1365 | struct sk_buff_head *skbs, | |
1366 | void (*fn)(void *data), void *data); | |
ce7c9111 | 1367 | |
46900298 JB |
1368 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
1369 | u16 transaction, u16 auth_alg, | |
fffd0934 JB |
1370 | u8 *extra, size_t extra_len, const u8 *bssid, |
1371 | const u8 *key, u8 key_len, u8 key_idx); | |
de95a54b | 1372 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
4d36ec58 | 1373 | const u8 *ie, size_t ie_len, |
651b5225 JM |
1374 | enum ieee80211_band band, u32 rate_mask, |
1375 | u8 channel); | |
a619a4c0 JO |
1376 | struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, |
1377 | u8 *dst, | |
1378 | const u8 *ssid, size_t ssid_len, | |
a806c558 PS |
1379 | const u8 *ie, size_t ie_len, |
1380 | bool directed); | |
46900298 | 1381 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
de95a54b | 1382 | const u8 *ssid, size_t ssid_len, |
a806c558 PS |
1383 | const u8 *ie, size_t ie_len, |
1384 | bool directed); | |
46900298 JB |
1385 | |
1386 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, | |
1387 | const size_t supp_rates_len, | |
1388 | const u8 *supp_rates); | |
1389 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, | |
1390 | struct ieee802_11_elems *elems, | |
1391 | enum ieee80211_band band); | |
0f78231b JB |
1392 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1393 | enum ieee80211_smps_mode smps_mode); | |
025e6be2 | 1394 | void ieee80211_recalc_smps(struct ieee80211_local *local); |
46900298 | 1395 | |
8e664fb3 JB |
1396 | size_t ieee80211_ie_split(const u8 *ies, size_t ielen, |
1397 | const u8 *ids, int n_ids, size_t offset); | |
1398 | size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); | |
1399 | ||
af6b6374 JB |
1400 | /* internal work items */ |
1401 | void ieee80211_work_init(struct ieee80211_local *local); | |
1402 | void ieee80211_add_work(struct ieee80211_work *wk); | |
1403 | void free_work(struct ieee80211_work *wk); | |
1404 | void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); | |
1405 | ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata, | |
1406 | struct sk_buff *skb); | |
b8bc4b0a JB |
1407 | int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, |
1408 | struct ieee80211_channel *chan, | |
1409 | enum nl80211_channel_type channel_type, | |
1410 | unsigned int duration, u64 *cookie); | |
1411 | int ieee80211_wk_cancel_remain_on_channel( | |
1412 | struct ieee80211_sub_if_data *sdata, u64 cookie); | |
af6b6374 | 1413 | |
f444de05 JB |
1414 | /* channel management */ |
1415 | enum ieee80211_chan_mode { | |
1416 | CHAN_MODE_UNDEFINED, | |
1417 | CHAN_MODE_HOPPING, | |
1418 | CHAN_MODE_FIXED, | |
1419 | }; | |
1420 | ||
1421 | enum ieee80211_chan_mode | |
1422 | ieee80211_get_channel_mode(struct ieee80211_local *local, | |
1423 | struct ieee80211_sub_if_data *ignore); | |
0aaffa9b JB |
1424 | bool ieee80211_set_channel_type(struct ieee80211_local *local, |
1425 | struct ieee80211_sub_if_data *sdata, | |
1426 | enum nl80211_channel_type chantype); | |
f444de05 | 1427 | |
f4ea83dd | 1428 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1429 | #define debug_noinline noinline |
1430 | #else | |
1431 | #define debug_noinline | |
1432 | #endif | |
1433 | ||
f0706e82 | 1434 | #endif /* IEEE80211_I_H */ |