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> |
a729cff8 | 27 | #include <linux/idr.h> |
fe7a5d5c | 28 | #include <net/ieee80211_radiotap.h> |
93da9cc1 | 29 | #include <net/cfg80211.h> |
51cb6db0 | 30 | #include <net/mac80211.h> |
2c8dccc7 | 31 | #include "key.h" |
f0706e82 | 32 | #include "sta_info.h" |
bdcbd8e0 | 33 | #include "debug.h" |
f0706e82 | 34 | |
9cfb0009 | 35 | struct ieee80211_local; |
f0706e82 JB |
36 | |
37 | /* Maximum number of broadcast/multicast frames to buffer when some of the | |
38 | * associated stations are using power saving. */ | |
39 | #define AP_MAX_BC_BUFFER 128 | |
40 | ||
41 | /* Maximum number of frames buffered to all STAs, including multicast frames. | |
42 | * Note: increasing this limit increases the potential memory requirement. Each | |
43 | * frame can be up to about 2 kB long. */ | |
44 | #define TOTAL_MAX_TX_BUFFER 512 | |
45 | ||
46 | /* Required encryption head and tailroom */ | |
47 | #define IEEE80211_ENCRYPT_HEADROOM 8 | |
765cb46a | 48 | #define IEEE80211_ENCRYPT_TAILROOM 18 |
f0706e82 JB |
49 | |
50 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent | |
51 | * reception of at least three fragmented frames. This limit can be increased | |
52 | * by changing this define, at the cost of slower frame reassembly and | |
53 | * increased memory use (about 2 kB of RAM per entry). */ | |
54 | #define IEEE80211_FRAGMENT_MAX 4 | |
55 | ||
12d3952f FF |
56 | #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) |
57 | #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) | |
20ad19d0 | 58 | |
d6a4ed6f AN |
59 | /* |
60 | * Some APs experience problems when working with U-APSD. Decrease the | |
61 | * probability of that happening by using legacy mode for all ACs but VO. | |
62 | * The AP that caused us trouble was a Cisco 4410N. It ignores our | |
63 | * setting, and always treats non-VO ACs as legacy. | |
64 | */ | |
ab13315a | 65 | #define IEEE80211_DEFAULT_UAPSD_QUEUES \ |
d6a4ed6f | 66 | IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |
ab13315a KV |
67 | |
68 | #define IEEE80211_DEFAULT_MAX_SP_LEN \ | |
69 | IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL | |
70 | ||
6ae16775 AQ |
71 | #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) |
72 | ||
f0706e82 JB |
73 | struct ieee80211_fragment_entry { |
74 | unsigned long first_frag_time; | |
75 | unsigned int seq; | |
76 | unsigned int rx_queue; | |
77 | unsigned int last_frag; | |
78 | unsigned int extra_len; | |
79 | struct sk_buff_head skb_list; | |
80 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
81 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
82 | }; | |
83 | ||
84 | ||
c2b13452 | 85 | struct ieee80211_bss { |
00d3f14c JB |
86 | /* don't want to look up all the time */ |
87 | size_t ssid_len; | |
f0706e82 | 88 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
00d3f14c | 89 | |
8c358bcd JB |
90 | u32 device_ts; |
91 | ||
98f7dfd8 | 92 | u8 dtim_period; |
00d3f14c | 93 | |
43ac2ca3 | 94 | bool wmm_used; |
ab13315a | 95 | bool uapsd_supported; |
00d3f14c JB |
96 | |
97 | unsigned long last_probe_resp; | |
98 | ||
ee385855 LCC |
99 | #ifdef CONFIG_MAC80211_MESH |
100 | u8 *mesh_id; | |
101 | size_t mesh_id_len; | |
24736701 | 102 | u8 *mesh_cfg; |
902acc78 | 103 | #endif |
00d3f14c | 104 | |
f0706e82 JB |
105 | #define IEEE80211_MAX_SUPP_RATES 32 |
106 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
107 | size_t supp_rates_len; | |
f0706e82 | 108 | |
00d3f14c | 109 | /* |
25985edc | 110 | * During association, we save an ERP value from a probe response so |
5628221c DD |
111 | * that we can feed ERP info to the driver when handling the |
112 | * association completes. these fields probably won't be up-to-date | |
00d3f14c JB |
113 | * otherwise, you probably don't want to use them. |
114 | */ | |
115 | bool has_erp_value; | |
5628221c | 116 | u8 erp_value; |
fcff4f10 PS |
117 | |
118 | /* Keep track of the corruption of the last beacon/probe response. */ | |
119 | u8 corrupt_data; | |
120 | ||
121 | /* Keep track of what bits of information we have valid info for. */ | |
122 | u8 valid_data; | |
123 | }; | |
124 | ||
125 | /** | |
126 | * enum ieee80211_corrupt_data_flags - BSS data corruption flags | |
127 | * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted | |
128 | * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted | |
129 | * | |
130 | * These are bss flags that are attached to a bss in the | |
131 | * @corrupt_data field of &struct ieee80211_bss. | |
132 | */ | |
133 | enum ieee80211_bss_corrupt_data_flags { | |
134 | IEEE80211_BSS_CORRUPT_BEACON = BIT(0), | |
135 | IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) | |
136 | }; | |
137 | ||
138 | /** | |
139 | * enum ieee80211_valid_data_flags - BSS valid data flags | |
140 | * @IEEE80211_BSS_VALID_DTIM: DTIM data was gathered from non-corrupt IE | |
141 | * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE | |
142 | * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE | |
143 | * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE | |
144 | * | |
145 | * These are bss flags that are attached to a bss in the | |
146 | * @valid_data field of &struct ieee80211_bss. They show which parts | |
147 | * of the data structure were recieved as a result of an un-corrupted | |
148 | * beacon/probe response. | |
149 | */ | |
150 | enum ieee80211_bss_valid_data_flags { | |
151 | IEEE80211_BSS_VALID_DTIM = BIT(0), | |
152 | IEEE80211_BSS_VALID_WMM = BIT(1), | |
153 | IEEE80211_BSS_VALID_RATES = BIT(2), | |
154 | IEEE80211_BSS_VALID_ERP = BIT(3) | |
f0706e82 JB |
155 | }; |
156 | ||
c2b13452 | 157 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
902acc78 JB |
158 | { |
159 | #ifdef CONFIG_MAC80211_MESH | |
160 | return bss->mesh_cfg; | |
161 | #endif | |
162 | return NULL; | |
163 | } | |
164 | ||
c2b13452 | 165 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
902acc78 JB |
166 | { |
167 | #ifdef CONFIG_MAC80211_MESH | |
168 | return bss->mesh_id; | |
169 | #endif | |
170 | return NULL; | |
171 | } | |
172 | ||
c2b13452 | 173 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
902acc78 JB |
174 | { |
175 | #ifdef CONFIG_MAC80211_MESH | |
176 | return bss->mesh_id_len; | |
177 | #endif | |
178 | return 0; | |
179 | } | |
180 | ||
f0706e82 | 181 | |
9ae54c84 JB |
182 | typedef unsigned __bitwise__ ieee80211_tx_result; |
183 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
184 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
185 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
186 | ||
5cf121c3 JB |
187 | #define IEEE80211_TX_UNICAST BIT(1) |
188 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
5cf121c3 JB |
189 | |
190 | struct ieee80211_tx_data { | |
191 | struct sk_buff *skb; | |
252b86c4 | 192 | struct sk_buff_head skbs; |
5cf121c3 JB |
193 | struct ieee80211_local *local; |
194 | struct ieee80211_sub_if_data *sdata; | |
195 | struct sta_info *sta; | |
5cf121c3 | 196 | struct ieee80211_key *key; |
5cf121c3 | 197 | |
056cdd59 | 198 | unsigned int flags; |
5cf121c3 JB |
199 | }; |
200 | ||
201 | ||
9ae54c84 | 202 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
203 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
204 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
205 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
206 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 207 | |
554891e6 JB |
208 | /** |
209 | * enum ieee80211_packet_rx_flags - packet RX flags | |
210 | * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed | |
211 | * (incl. multicast frames) | |
554891e6 JB |
212 | * @IEEE80211_RX_FRAGMENTED: fragmented frame |
213 | * @IEEE80211_RX_AMSDU: a-MSDU packet | |
214 | * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed | |
4cfda47b | 215 | * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering |
554891e6 JB |
216 | * |
217 | * These are per-frame flags that are attached to a frame in the | |
218 | * @rx_flags field of &struct ieee80211_rx_status. | |
219 | */ | |
220 | enum ieee80211_packet_rx_flags { | |
554891e6 JB |
221 | IEEE80211_RX_RA_MATCH = BIT(1), |
222 | IEEE80211_RX_FRAGMENTED = BIT(2), | |
223 | IEEE80211_RX_AMSDU = BIT(3), | |
224 | IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), | |
4cfda47b | 225 | IEEE80211_RX_DEFERRED_RELEASE = BIT(5), |
554891e6 JB |
226 | }; |
227 | ||
228 | /** | |
229 | * enum ieee80211_rx_flags - RX data flags | |
230 | * | |
231 | * @IEEE80211_RX_CMNTR: received on cooked monitor already | |
ee971924 JB |
232 | * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported |
233 | * to cfg80211_report_obss_beacon(). | |
554891e6 JB |
234 | * |
235 | * These flags are used across handling multiple interfaces | |
236 | * for a single frame. | |
237 | */ | |
238 | enum ieee80211_rx_flags { | |
239 | IEEE80211_RX_CMNTR = BIT(0), | |
ee971924 | 240 | IEEE80211_RX_BEACON_REPORTED = BIT(1), |
554891e6 | 241 | }; |
5cf121c3 JB |
242 | |
243 | struct ieee80211_rx_data { | |
f0706e82 | 244 | struct sk_buff *skb; |
f0706e82 JB |
245 | struct ieee80211_local *local; |
246 | struct ieee80211_sub_if_data *sdata; | |
247 | struct sta_info *sta; | |
f0706e82 | 248 | struct ieee80211_key *key; |
056cdd59 | 249 | |
056cdd59 | 250 | unsigned int flags; |
9e26297a JB |
251 | |
252 | /* | |
253 | * Index into sequence numbers array, 0..16 | |
254 | * since the last (16) is used for non-QoS, | |
255 | * will be 16 on non-QoS frames. | |
256 | */ | |
257 | int seqno_idx; | |
258 | ||
259 | /* | |
260 | * Index into the security IV/PN arrays, 0..16 | |
261 | * since the last (16) is used for CCMP-encrypted | |
262 | * management frames, will be set to 16 on mgmt | |
263 | * frames and 0 on non-QoS frames. | |
264 | */ | |
265 | int security_idx; | |
266 | ||
5cf121c3 JB |
267 | u32 tkip_iv32; |
268 | u16 tkip_iv16; | |
f0706e82 JB |
269 | }; |
270 | ||
5dfdaf58 JB |
271 | struct beacon_data { |
272 | u8 *head, *tail; | |
273 | int head_len, tail_len; | |
8860020e | 274 | struct rcu_head rcu_head; |
5dfdaf58 JB |
275 | }; |
276 | ||
aa7a0080 ES |
277 | struct probe_resp { |
278 | struct rcu_head rcu_head; | |
279 | int len; | |
280 | u8 data[0]; | |
281 | }; | |
282 | ||
f0706e82 | 283 | struct ieee80211_if_ap { |
40b275b6 | 284 | struct beacon_data __rcu *beacon; |
aa7a0080 | 285 | struct probe_resp __rcu *probe_resp; |
f0706e82 | 286 | |
0ec3ca44 JB |
287 | struct list_head vlans; |
288 | ||
f0706e82 JB |
289 | /* yes, this looks ugly, but guarantees that we can later use |
290 | * bitmap_empty :) | |
004c872e | 291 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 292 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 293 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 294 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
030ef8f8 | 295 | atomic_t num_mcast_sta; /* number of stations receiving multicast */ |
5dfdaf58 | 296 | int dtim_count; |
512119b3 | 297 | bool dtim_bc_mc; |
f0706e82 JB |
298 | }; |
299 | ||
300 | struct ieee80211_if_wds { | |
f0706e82 | 301 | struct sta_info *sta; |
056cdd59 | 302 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
303 | }; |
304 | ||
305 | struct ieee80211_if_vlan { | |
0ec3ca44 | 306 | struct list_head list; |
f14543ee FF |
307 | |
308 | /* used for all tx if the VLAN is configured to 4-addr mode */ | |
40b275b6 | 309 | struct sta_info __rcu *sta; |
f0706e82 JB |
310 | }; |
311 | ||
ee385855 | 312 | struct mesh_stats { |
c8a61a7d DW |
313 | __u32 fwded_mcast; /* Mesh forwarded multicast frames */ |
314 | __u32 fwded_unicast; /* Mesh forwarded unicast frames */ | |
315 | __u32 fwded_frames; /* Mesh total forwarded frames */ | |
ee385855 LCC |
316 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
317 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
cfee66b0 | 318 | __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ |
ee385855 LCC |
319 | atomic_t estab_plinks; |
320 | }; | |
321 | ||
322 | #define PREQ_Q_F_START 0x1 | |
323 | #define PREQ_Q_F_REFRESH 0x2 | |
324 | struct mesh_preq_queue { | |
325 | struct list_head list; | |
326 | u8 dst[ETH_ALEN]; | |
327 | u8 flags; | |
328 | }; | |
329 | ||
2eb278e0 JB |
330 | #if HZ/100 == 0 |
331 | #define IEEE80211_ROC_MIN_LEFT 1 | |
332 | #else | |
333 | #define IEEE80211_ROC_MIN_LEFT (HZ/100) | |
334 | #endif | |
af6b6374 | 335 | |
2eb278e0 | 336 | struct ieee80211_roc_work { |
77fdaa12 | 337 | struct list_head list; |
2eb278e0 | 338 | struct list_head dependents; |
77fdaa12 | 339 | |
2eb278e0 | 340 | struct delayed_work work; |
af6b6374 JB |
341 | |
342 | struct ieee80211_sub_if_data *sdata; | |
343 | ||
f679f65d | 344 | struct ieee80211_channel *chan; |
e4da8c37 | 345 | enum nl80211_channel_type chan_type; |
af6b6374 | 346 | |
2eb278e0 | 347 | bool started, abort, hw_begun, notified; |
f679f65d | 348 | |
2eb278e0 | 349 | unsigned long hw_start_time; |
e4da8c37 | 350 | |
2eb278e0 JB |
351 | u32 duration, req_duration; |
352 | struct sk_buff *frame; | |
353 | u64 mgmt_tx_cookie; | |
77fdaa12 JB |
354 | }; |
355 | ||
46900298 | 356 | /* flags used in struct ieee80211_if_managed.flags */ |
ab1faead | 357 | enum ieee80211_sta_flags { |
b291ba11 JB |
358 | IEEE80211_STA_BEACON_POLL = BIT(0), |
359 | IEEE80211_STA_CONNECTION_POLL = BIT(1), | |
360 | IEEE80211_STA_CONTROL_PORT = BIT(2), | |
b291ba11 JB |
361 | IEEE80211_STA_DISABLE_11N = BIT(4), |
362 | IEEE80211_STA_CSA_RECEIVED = BIT(5), | |
363 | IEEE80211_STA_MFP_ENABLED = BIT(6), | |
ab13315a | 364 | IEEE80211_STA_UAPSD_ENABLED = BIT(7), |
375177bf | 365 | IEEE80211_STA_NULLFUNC_ACKED = BIT(8), |
17e4ec14 | 366 | IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), |
24398e39 | 367 | IEEE80211_STA_DISABLE_40MHZ = BIT(10), |
d545daba | 368 | IEEE80211_STA_DISABLE_VHT = BIT(11), |
ab1faead JB |
369 | }; |
370 | ||
66e67e41 JB |
371 | struct ieee80211_mgd_auth_data { |
372 | struct cfg80211_bss *bss; | |
373 | unsigned long timeout; | |
374 | int tries; | |
375 | u16 algorithm, expected_transaction; | |
376 | ||
377 | u8 key[WLAN_KEY_LEN_WEP104]; | |
378 | u8 key_len, key_idx; | |
66e67e41 JB |
379 | bool done; |
380 | ||
381 | size_t ie_len; | |
382 | u8 ie[]; | |
383 | }; | |
384 | ||
385 | struct ieee80211_mgd_assoc_data { | |
386 | struct cfg80211_bss *bss; | |
387 | const u8 *supp_rates; | |
66e67e41 JB |
388 | |
389 | unsigned long timeout; | |
390 | int tries; | |
391 | ||
392 | u16 capability; | |
393 | u8 prev_bssid[ETH_ALEN]; | |
394 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
395 | u8 ssid_len; | |
396 | u8 supp_rates_len; | |
76f0303d | 397 | bool wmm, uapsd; |
66e67e41 JB |
398 | bool have_beacon; |
399 | bool sent_assoc; | |
400 | bool synced; | |
401 | ||
9dde6423 JB |
402 | u8 ap_ht_param; |
403 | ||
66e67e41 JB |
404 | size_t ie_len; |
405 | u8 ie[]; | |
406 | }; | |
407 | ||
46900298 | 408 | struct ieee80211_if_managed { |
056cdd59 | 409 | struct timer_list timer; |
b291ba11 JB |
410 | struct timer_list conn_mon_timer; |
411 | struct timer_list bcn_mon_timer; | |
c481ec97 | 412 | struct timer_list chswitch_timer; |
b291ba11 | 413 | struct work_struct monitor_work; |
c481ec97 | 414 | struct work_struct chswitch_work; |
1e4dcd01 | 415 | struct work_struct beacon_connection_loss_work; |
882a7c69 | 416 | struct work_struct csa_connection_drop_work; |
46900298 | 417 | |
7ccc8bd7 | 418 | unsigned long beacon_timeout; |
b291ba11 | 419 | unsigned long probe_timeout; |
a43abf29 | 420 | int probe_send_count; |
04ac3c0e | 421 | bool nullfunc_failed; |
b291ba11 | 422 | |
77fdaa12 | 423 | struct mutex mtx; |
0c1ad2ca | 424 | struct cfg80211_bss *associated; |
66e67e41 JB |
425 | struct ieee80211_mgd_auth_data *auth_data; |
426 | struct ieee80211_mgd_assoc_data *assoc_data; | |
46900298 | 427 | |
77fdaa12 | 428 | u8 bssid[ETH_ALEN]; |
46900298 | 429 | |
f0706e82 | 430 | u16 aid; |
f0706e82 | 431 | |
5bb644a0 | 432 | unsigned long timers_running; /* used for quiesce/restart */ |
965bedad | 433 | bool powersave; /* powersave requested for this iface */ |
05cb9108 | 434 | bool broken_ap; /* AP is broken -- turn off powersave */ |
0f78231b | 435 | enum ieee80211_smps_mode req_smps, /* requested smps mode */ |
d1f5b7a3 JB |
436 | ap_smps, /* smps mode AP thinks we're in */ |
437 | driver_smps_mode; /* smps mode request */ | |
438 | ||
439 | struct work_struct request_smps_work; | |
965bedad | 440 | |
d6f2da5b | 441 | unsigned int flags; |
f0706e82 | 442 | |
d8ec4433 | 443 | bool beacon_crc_valid; |
d91f36db JB |
444 | u32 beacon_crc; |
445 | ||
fdfacf0a JM |
446 | enum { |
447 | IEEE80211_MFP_DISABLED, | |
448 | IEEE80211_MFP_OPTIONAL, | |
449 | IEEE80211_MFP_REQUIRED | |
450 | } mfp; /* management frame protection */ | |
451 | ||
dc41e4d4 EP |
452 | /* |
453 | * Bitmask of enabled u-apsd queues, | |
454 | * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association | |
455 | * to take effect. | |
456 | */ | |
457 | unsigned int uapsd_queues; | |
458 | ||
459 | /* | |
460 | * Maximum number of buffered frames AP can deliver during a | |
461 | * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. | |
462 | * Needs a new association to take effect. | |
463 | */ | |
464 | unsigned int uapsd_max_sp_len; | |
465 | ||
f0706e82 | 466 | int wmm_last_param_set; |
9bc383de JB |
467 | |
468 | u8 use_4addr; | |
17e4ec14 JM |
469 | |
470 | /* Signal strength from the last Beacon frame in the current BSS. */ | |
471 | int last_beacon_signal; | |
472 | ||
473 | /* | |
474 | * Weighted average of the signal strength from Beacon frames in the | |
475 | * current BSS. This is in units of 1/16 of the signal unit to maintain | |
476 | * accuracy and to speed up calculations, i.e., the value need to be | |
477 | * divided by 16 to get the actual value. | |
478 | */ | |
479 | int ave_beacon_signal; | |
480 | ||
391a200a JM |
481 | /* |
482 | * Number of Beacon frames used in ave_beacon_signal. This can be used | |
483 | * to avoid generating less reliable cqm events that would be based | |
484 | * only on couple of received frames. | |
485 | */ | |
486 | unsigned int count_beacon_signal; | |
487 | ||
17e4ec14 JM |
488 | /* |
489 | * Last Beacon frame signal strength average (ave_beacon_signal / 16) | |
490 | * that triggered a cqm event. 0 indicates that no event has been | |
491 | * generated for the current association. | |
492 | */ | |
493 | int last_cqm_event_signal; | |
615f7b9b MV |
494 | |
495 | /* | |
496 | * State variables for keeping track of RSSI of the AP currently | |
497 | * connected to and informing driver when RSSI has gone | |
498 | * below/above a certain threshold. | |
499 | */ | |
500 | int rssi_min_thold, rssi_max_thold; | |
501 | int last_ave_beacon_signal; | |
ef96a842 BG |
502 | |
503 | struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ | |
504 | struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ | |
f0706e82 JB |
505 | }; |
506 | ||
46900298 JB |
507 | struct ieee80211_if_ibss { |
508 | struct timer_list timer; | |
46900298 | 509 | |
7a17a33c JB |
510 | struct mutex mtx; |
511 | ||
af8cdcd8 | 512 | unsigned long last_scan_completed; |
5bb644a0 | 513 | |
fbd2c8dc TP |
514 | u32 basic_rates; |
515 | ||
5bb644a0 JB |
516 | bool timer_running; |
517 | ||
af8cdcd8 JB |
518 | bool fixed_bssid; |
519 | bool fixed_channel; | |
fffd0934 | 520 | bool privacy; |
46900298 | 521 | |
267335d6 | 522 | bool control_port; |
6abe0563 | 523 | unsigned int auth_frame_registrations; |
267335d6 | 524 | |
4d196e4b | 525 | u8 bssid[ETH_ALEN] __aligned(2); |
af8cdcd8 JB |
526 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
527 | u8 ssid_len, ie_len; | |
528 | u8 *ie; | |
529 | struct ieee80211_channel *channel; | |
13c40c54 | 530 | enum nl80211_channel_type channel_type; |
46900298 JB |
531 | |
532 | unsigned long ibss_join_req; | |
af8cdcd8 | 533 | /* probe response/beacon for IBSS */ |
40b275b6 JB |
534 | struct sk_buff __rcu *presp; |
535 | struct sk_buff *skb; | |
46900298 | 536 | |
8bf11d8d JB |
537 | spinlock_t incomplete_lock; |
538 | struct list_head incomplete_stations; | |
539 | ||
46900298 JB |
540 | enum { |
541 | IEEE80211_IBSS_MLME_SEARCH, | |
542 | IEEE80211_IBSS_MLME_JOINED, | |
543 | } state; | |
544 | }; | |
545 | ||
dbf498fb JC |
546 | /** |
547 | * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface | |
548 | * | |
549 | * these declarations define the interface, which enables | |
550 | * vendor-specific mesh synchronization | |
551 | * | |
552 | */ | |
553 | struct ieee802_11_elems; | |
554 | struct ieee80211_mesh_sync_ops { | |
555 | void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, | |
556 | u16 stype, | |
557 | struct ieee80211_mgmt *mgmt, | |
558 | struct ieee802_11_elems *elems, | |
559 | struct ieee80211_rx_status *rx_status); | |
560 | void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata); | |
561 | /* add other framework functions here */ | |
562 | }; | |
563 | ||
472dbc45 | 564 | struct ieee80211_if_mesh { |
472dbc45 JB |
565 | struct timer_list housekeeping_timer; |
566 | struct timer_list mesh_path_timer; | |
e304bfd3 | 567 | struct timer_list mesh_path_root_timer; |
472dbc45 | 568 | |
5bb644a0 JB |
569 | unsigned long timers_running; |
570 | ||
18889231 | 571 | unsigned long wrkq_flags; |
472dbc45 JB |
572 | |
573 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
574 | size_t mesh_id_len; | |
575 | /* Active Path Selection Protocol Identifier */ | |
3491707a | 576 | u8 mesh_pp_id; |
472dbc45 | 577 | /* Active Path Selection Metric Identifier */ |
3491707a | 578 | u8 mesh_pm_id; |
472dbc45 | 579 | /* Congestion Control Mode Identifier */ |
3491707a | 580 | u8 mesh_cc_id; |
9e03fdfd | 581 | /* Synchronization Protocol Identifier */ |
3491707a | 582 | u8 mesh_sp_id; |
9e03fdfd | 583 | /* Authentication Protocol Identifier */ |
3491707a | 584 | u8 mesh_auth_id; |
d19b3bf6 RP |
585 | /* Local mesh Sequence Number */ |
586 | u32 sn; | |
472dbc45 JB |
587 | /* Last used PREQ ID */ |
588 | u32 preq_id; | |
589 | atomic_t mpaths; | |
d19b3bf6 RP |
590 | /* Timestamp of last SN update */ |
591 | unsigned long last_sn_update; | |
dca7e943 TP |
592 | /* Time when it's ok to send next PERR */ |
593 | unsigned long next_perr; | |
594 | /* Timestamp of last PREQ sent */ | |
472dbc45 JB |
595 | unsigned long last_preq; |
596 | struct mesh_rmc *rmc; | |
597 | spinlock_t mesh_preq_queue_lock; | |
598 | struct mesh_preq_queue preq_queue; | |
599 | int preq_queue_len; | |
600 | struct mesh_stats mshstats; | |
601 | struct mesh_config mshcfg; | |
602 | u32 mesh_seqnum; | |
603 | bool accepting_plinks; | |
5ee68e5b | 604 | int num_gates; |
581a8b0f JC |
605 | const u8 *ie; |
606 | u8 ie_len; | |
b130e5ce JC |
607 | enum { |
608 | IEEE80211_MESH_SEC_NONE = 0x0, | |
609 | IEEE80211_MESH_SEC_AUTHED = 0x1, | |
610 | IEEE80211_MESH_SEC_SECURED = 0x2, | |
611 | } security; | |
dbf498fb JC |
612 | /* Extensible Synchronization Framework */ |
613 | struct ieee80211_mesh_sync_ops *sync_ops; | |
614 | s64 sync_offset_clockdrift_max; | |
615 | spinlock_t sync_offset_lock; | |
616 | bool adjusting_tbtt; | |
472dbc45 | 617 | }; |
902acc78 JB |
618 | |
619 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
620 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
621 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 622 | #else |
472dbc45 | 623 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
624 | do { } while (0) |
625 | #endif | |
f0706e82 | 626 | |
213cd118 JB |
627 | /** |
628 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
629 | * | |
630 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
631 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
213cd118 JB |
632 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
633 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
634 | * associated stations and deliver multicast frames both | |
635 | * back to wireless media and to the local net stack. | |
95acac61 | 636 | * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. |
7b7eab6f | 637 | * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver |
213cd118 JB |
638 | */ |
639 | enum ieee80211_sub_if_data_flags { | |
640 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
641 | IEEE80211_SDATA_PROMISC = BIT(1), | |
7986cf95 JB |
642 | IEEE80211_SDATA_OPERATING_GMODE = BIT(2), |
643 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), | |
95acac61 | 644 | IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), |
7b7eab6f | 645 | IEEE80211_SDATA_IN_DRIVER = BIT(5), |
213cd118 JB |
646 | }; |
647 | ||
34d4bc4d JB |
648 | /** |
649 | * enum ieee80211_sdata_state_bits - virtual interface state bits | |
650 | * @SDATA_STATE_RUNNING: virtual interface is up & running; this | |
651 | * mirrors netif_running() but is separate for interface type | |
652 | * change handling while the interface is up | |
5b714c6a JB |
653 | * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel |
654 | * mode, so queues are stopped | |
34d4bc4d JB |
655 | */ |
656 | enum ieee80211_sdata_state_bits { | |
657 | SDATA_STATE_RUNNING, | |
5b714c6a | 658 | SDATA_STATE_OFFCHANNEL, |
34d4bc4d JB |
659 | }; |
660 | ||
d01a1e65 MK |
661 | /** |
662 | * enum ieee80211_chanctx_mode - channel context configuration mode | |
663 | * | |
664 | * @IEEE80211_CHANCTX_SHARED: channel context may be used by | |
665 | * multiple interfaces | |
666 | * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used | |
667 | * only by a single interface. This can be used for example for | |
668 | * non-fixed channel IBSS. | |
669 | */ | |
670 | enum ieee80211_chanctx_mode { | |
671 | IEEE80211_CHANCTX_SHARED, | |
672 | IEEE80211_CHANCTX_EXCLUSIVE | |
673 | }; | |
674 | ||
675 | struct ieee80211_chanctx { | |
676 | struct list_head list; | |
677 | struct rcu_head rcu_head; | |
678 | ||
679 | enum ieee80211_chanctx_mode mode; | |
680 | int refcount; | |
681 | ||
682 | struct ieee80211_chanctx_conf conf; | |
683 | }; | |
684 | ||
f0706e82 JB |
685 | struct ieee80211_sub_if_data { |
686 | struct list_head list; | |
f0706e82 JB |
687 | |
688 | struct wireless_dev wdev; | |
689 | ||
11a843b7 JB |
690 | /* keys */ |
691 | struct list_head key_list; | |
692 | ||
3bff1865 YAP |
693 | /* count for keys needing tailroom space allocation */ |
694 | int crypto_tx_tailroom_needed_cnt; | |
695 | ||
f0706e82 JB |
696 | struct net_device *dev; |
697 | struct ieee80211_local *local; | |
698 | ||
13262ffd | 699 | unsigned int flags; |
7e9ed188 | 700 | |
34d4bc4d JB |
701 | unsigned long state; |
702 | ||
f0706e82 | 703 | int drop_unencrypted; |
f0706e82 | 704 | |
47846c9b JB |
705 | char name[IFNAMSIZ]; |
706 | ||
7da7cc1d JB |
707 | /* to detect idle changes */ |
708 | bool old_idle; | |
709 | ||
f0706e82 JB |
710 | /* Fragment table for host-based reassembly */ |
711 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
712 | unsigned int fragment_next; | |
713 | ||
b53be792 SW |
714 | /* TID bitmap for NoAck policy */ |
715 | u16 noack_map; | |
716 | ||
00e96dec YD |
717 | /* bit field of ACM bits (BIT(802.1D tag)) */ |
718 | u8 wmm_acm; | |
719 | ||
40b275b6 JB |
720 | struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; |
721 | struct ieee80211_key __rcu *default_unicast_key; | |
722 | struct ieee80211_key __rcu *default_multicast_key; | |
723 | struct ieee80211_key __rcu *default_mgmt_key; | |
f0706e82 | 724 | |
94778280 | 725 | u16 sequence_number; |
a621fa4d JB |
726 | __be16 control_port_protocol; |
727 | bool control_port_no_encrypt; | |
94778280 | 728 | |
54bcbc69 | 729 | struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; |
f6f3def3 | 730 | |
64592c8f | 731 | struct work_struct work; |
35f20c14 JB |
732 | struct sk_buff_head skb_queue; |
733 | ||
68542962 JO |
734 | bool arp_filter_state; |
735 | ||
471b3efd | 736 | /* |
3e122be0 JB |
737 | * AP this belongs to: self in AP mode and |
738 | * corresponding AP in VLAN mode, NULL for | |
739 | * all others (might be needed later in IBSS) | |
471b3efd | 740 | */ |
3e122be0 JB |
741 | struct ieee80211_if_ap *bss; |
742 | ||
37eb0b16 JM |
743 | /* bitmap of allowed (non-MCS) rate indexes for rate control */ |
744 | u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; | |
19468413 | 745 | u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; |
f0706e82 JB |
746 | |
747 | union { | |
748 | struct ieee80211_if_ap ap; | |
749 | struct ieee80211_if_wds wds; | |
750 | struct ieee80211_if_vlan vlan; | |
46900298 JB |
751 | struct ieee80211_if_managed mgd; |
752 | struct ieee80211_if_ibss ibss; | |
472dbc45 | 753 | struct ieee80211_if_mesh mesh; |
8cc9a739 | 754 | u32 mntr_flags; |
f0706e82 | 755 | } u; |
e9f207f0 JB |
756 | |
757 | #ifdef CONFIG_MAC80211_DEBUGFS | |
2b58b209 | 758 | struct { |
7bcfaf2f | 759 | struct dentry *dir; |
295bafb4 | 760 | struct dentry *subdir_stations; |
f7e0104c JB |
761 | struct dentry *default_unicast_key; |
762 | struct dentry *default_multicast_key; | |
3cfcf6ac | 763 | struct dentry *default_mgmt_key; |
7bcfaf2f | 764 | } debugfs; |
e9f207f0 | 765 | #endif |
32bfd35d JB |
766 | /* must be last, dynamically sized area in this! */ |
767 | struct ieee80211_vif vif; | |
f0706e82 JB |
768 | }; |
769 | ||
32bfd35d JB |
770 | static inline |
771 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
772 | { | |
773 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
774 | } | |
775 | ||
c1475ca9 JB |
776 | enum sdata_queue_type { |
777 | IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, | |
778 | IEEE80211_SDATA_QUEUE_AGG_START = 1, | |
779 | IEEE80211_SDATA_QUEUE_AGG_STOP = 2, | |
780 | }; | |
781 | ||
f0706e82 JB |
782 | enum { |
783 | IEEE80211_RX_MSG = 1, | |
784 | IEEE80211_TX_STATUS_MSG = 2, | |
37fbd908 JB |
785 | IEEE80211_EOSP_MSG = 3, |
786 | }; | |
787 | ||
788 | struct skb_eosp_msg_data { | |
789 | u8 sta[ETH_ALEN], iface[ETH_ALEN]; | |
f0706e82 JB |
790 | }; |
791 | ||
ce7c9111 KV |
792 | enum queue_stop_reason { |
793 | IEEE80211_QUEUE_STOP_REASON_DRIVER, | |
520eb820 | 794 | IEEE80211_QUEUE_STOP_REASON_PS, |
96f5e66e JB |
795 | IEEE80211_QUEUE_STOP_REASON_CSA, |
796 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, | |
25420604 | 797 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
8f77f384 | 798 | IEEE80211_QUEUE_STOP_REASON_SKB_ADD, |
ce7c9111 KV |
799 | }; |
800 | ||
65a6538a | 801 | #ifdef CONFIG_MAC80211_LEDS |
e1e54068 JB |
802 | struct tpt_led_trigger { |
803 | struct led_trigger trig; | |
804 | char name[32]; | |
805 | const struct ieee80211_tpt_blink *blink_table; | |
806 | unsigned int blink_table_len; | |
807 | struct timer_list timer; | |
e1e54068 JB |
808 | unsigned long prev_traffic; |
809 | unsigned long tx_bytes, rx_bytes; | |
67408c8c JB |
810 | unsigned int active, want; |
811 | bool running; | |
e1e54068 | 812 | }; |
65a6538a | 813 | #endif |
e1e54068 | 814 | |
142b9f50 HS |
815 | /** |
816 | * mac80211 scan flags - currently active scan mode | |
817 | * | |
818 | * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as | |
819 | * well be on the operating channel | |
820 | * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to | |
821 | * determine if we are on the operating channel or not | |
8a690674 BG |
822 | * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating |
823 | * channel. This should not interrupt normal traffic. | |
8789d459 JB |
824 | * @SCAN_COMPLETED: Set for our scan work function when the driver reported |
825 | * that the scan completed. | |
826 | * @SCAN_ABORTED: Set for our scan work function when the driver reported | |
827 | * a scan complete for an aborted scan. | |
142b9f50 | 828 | */ |
fbe9c429 HS |
829 | enum { |
830 | SCAN_SW_SCANNING, | |
142b9f50 | 831 | SCAN_HW_SCANNING, |
8a690674 | 832 | SCAN_ONCHANNEL_SCANNING, |
8789d459 JB |
833 | SCAN_COMPLETED, |
834 | SCAN_ABORTED, | |
142b9f50 HS |
835 | }; |
836 | ||
837 | /** | |
838 | * enum mac80211_scan_state - scan state machine states | |
839 | * | |
840 | * @SCAN_DECISION: Main entry point to the scan state machine, this state | |
841 | * determines if we should keep on scanning or switch back to the | |
842 | * operating channel | |
843 | * @SCAN_SET_CHANNEL: Set the next channel to be scanned | |
844 | * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses | |
07ef03ee JB |
845 | * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to |
846 | * send out data | |
847 | * @SCAN_RESUME: Resume the scan and scan the next channel | |
142b9f50 HS |
848 | */ |
849 | enum mac80211_scan_state { | |
850 | SCAN_DECISION, | |
851 | SCAN_SET_CHANNEL, | |
852 | SCAN_SEND_PROBE, | |
07ef03ee JB |
853 | SCAN_SUSPEND, |
854 | SCAN_RESUME, | |
fbe9c429 HS |
855 | }; |
856 | ||
f0706e82 JB |
857 | struct ieee80211_local { |
858 | /* embed the driver visible part. | |
859 | * don't cast (use the static inlines below), but we keep | |
860 | * it first anyway so they become a no-op */ | |
861 | struct ieee80211_hw hw; | |
862 | ||
863 | const struct ieee80211_ops *ops; | |
864 | ||
42935eca LR |
865 | /* |
866 | * private workqueue to mac80211. mac80211 makes this accessible | |
867 | * via ieee80211_queue_work() | |
868 | */ | |
869 | struct workqueue_struct *workqueue; | |
870 | ||
e4e72fb4 | 871 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
96f5e66e | 872 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
ce7c9111 | 873 | spinlock_t queue_stop_reason_lock; |
96f5e66e | 874 | |
f0706e82 | 875 | int open_count; |
3d30d949 | 876 | int monitors, cooked_mntrs; |
8cc9a739 | 877 | /* number of interfaces with corresponding FIF_ flags */ |
7be5086d JB |
878 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, |
879 | fif_probe_req; | |
880 | int probe_req_reg; | |
4150c572 | 881 | unsigned int filter_flags; /* FIF_* */ |
3b8d81e0 | 882 | |
3ffc2a90 JB |
883 | bool wiphy_ciphers_allocated; |
884 | ||
fe57d9f5 JB |
885 | bool use_chanctx; |
886 | ||
3b8d81e0 JB |
887 | /* protects the aggregated multicast list and filter calls */ |
888 | spinlock_t filter_lock; | |
889 | ||
3ac64bee JB |
890 | /* used for uploading changed mc list */ |
891 | struct work_struct reconfig_filter; | |
892 | ||
0f78231b JB |
893 | /* used to reconfigure hardware SM PS */ |
894 | struct work_struct recalc_smps; | |
895 | ||
3b8d81e0 | 896 | /* aggregated multicast list */ |
22bedad3 | 897 | struct netdev_hw_addr_list mc_list; |
3b8d81e0 | 898 | |
d0709a65 | 899 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
5bb644a0 JB |
900 | |
901 | /* | |
902 | * suspended is true if we finished all the suspend _and_ we have | |
903 | * not yet come up from resume. This is to be used by mac80211 | |
904 | * to ensure driver sanity during suspend and mac80211's own | |
905 | * sanity. It can eventually be used for WoW as well. | |
906 | */ | |
907 | bool suspended; | |
908 | ||
ceb99fe0 JB |
909 | /* |
910 | * Resuming is true while suspended, but when we're reprogramming the | |
911 | * hardware -- at that time it's allowed to use ieee80211_queue_work() | |
912 | * again even though some other parts of the stack are still suspended | |
913 | * and we still drop received frames to avoid waking the stack. | |
914 | */ | |
915 | bool resuming; | |
916 | ||
5bb644a0 JB |
917 | /* |
918 | * quiescing is true during the suspend process _only_ to | |
919 | * ease timer cancelling etc. | |
920 | */ | |
921 | bool quiescing; | |
922 | ||
ea77f12f JB |
923 | /* device is started */ |
924 | bool started; | |
925 | ||
04800ada AN |
926 | /* device is during a HW reconfig */ |
927 | bool in_reconfig; | |
928 | ||
eecc4800 JB |
929 | /* wowlan is enabled -- don't reconfig on resume */ |
930 | bool wowlan; | |
931 | ||
b306f453 | 932 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 933 | |
f0706e82 JB |
934 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
935 | * added to skb_queue will be processed, but frames in | |
936 | * skb_queue_unreliable may be dropped if the total length of these | |
937 | * queues increases over the limit. */ | |
938 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
939 | struct tasklet_struct tasklet; | |
940 | struct sk_buff_head skb_queue; | |
941 | struct sk_buff_head skb_queue_unreliable; | |
942 | ||
24a8fdad CL |
943 | /* |
944 | * Internal FIFO queue which is shared between multiple rx path | |
945 | * stages. Its main task is to provide a serialization mechanism, | |
946 | * so all rx handlers can enjoy having exclusive access to their | |
947 | * private data structures. | |
948 | */ | |
949 | struct sk_buff_head rx_skb_queue; | |
950 | bool running_rx_handler; /* protected by rx_skb_queue.lock */ | |
951 | ||
d0709a65 JB |
952 | /* Station data */ |
953 | /* | |
4d33960b JB |
954 | * The mutex only protects the list, hash table and |
955 | * counter, reads are done with RCU. | |
d0709a65 | 956 | */ |
34e89507 | 957 | struct mutex sta_mtx; |
4d33960b | 958 | spinlock_t tim_lock; |
d0709a65 | 959 | unsigned long num_sta; |
4d33960b | 960 | struct list_head sta_list; |
40b275b6 | 961 | struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; |
f0706e82 | 962 | struct timer_list sta_cleanup; |
f5ea9120 | 963 | int sta_generation; |
f0706e82 | 964 | |
2a577d98 | 965 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
966 | struct tasklet_struct tx_pending_tasklet; |
967 | ||
a6a67db2 | 968 | atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; |
cd8ffc80 | 969 | |
53918994 JB |
970 | /* number of interfaces with corresponding IFF_ flags */ |
971 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
972 | |
973 | struct rate_control_ref *rate_ctrl; | |
974 | ||
5f9f1812 FF |
975 | struct crypto_cipher *wep_tx_tfm; |
976 | struct crypto_cipher *wep_rx_tfm; | |
f0706e82 | 977 | u32 wep_iv; |
f0706e82 | 978 | |
c771c9d8 | 979 | /* see iface.c */ |
79010420 | 980 | struct list_head interfaces; |
c771c9d8 | 981 | struct mutex iflist_mtx; |
79010420 | 982 | |
b16bd15c | 983 | /* |
ad0e2b5a | 984 | * Key mutex, protects sdata's key_list and sta_info's |
b16bd15c JB |
985 | * key pointers (write access, they're RCU.) |
986 | */ | |
ad0e2b5a | 987 | struct mutex key_mtx; |
b16bd15c | 988 | |
a1699b75 JB |
989 | /* mutex for scan and work locking */ |
990 | struct mutex mtx; | |
b16bd15c | 991 | |
c2b13452 | 992 | /* Scanning and BSS list */ |
fbe9c429 | 993 | unsigned long scanning; |
2a519311 | 994 | struct cfg80211_ssid scan_ssid; |
5ba63533 | 995 | struct cfg80211_scan_request *int_scan_req; |
4d36ec58 | 996 | struct cfg80211_scan_request *scan_req, *hw_scan_req; |
2a519311 | 997 | struct ieee80211_channel *scan_channel; |
4d36ec58 | 998 | enum ieee80211_band hw_scan_band; |
f0706e82 | 999 | int scan_channel_idx; |
de95a54b | 1000 | int scan_ies_len; |
8318d78a | 1001 | |
85a9994a | 1002 | struct work_struct sched_scan_stopped_work; |
5260a5b2 | 1003 | struct ieee80211_sub_if_data __rcu *sched_scan_sdata; |
79f460ca | 1004 | |
df13cce5 | 1005 | unsigned long leave_oper_channel_time; |
977923b0 | 1006 | enum mac80211_scan_state next_scan_state; |
f0706e82 | 1007 | struct delayed_work scan_work; |
e2fd5dbc | 1008 | struct ieee80211_sub_if_data __rcu *scan_sdata; |
0aaffa9b | 1009 | enum nl80211_channel_type _oper_channel_type; |
2a519311 | 1010 | struct ieee80211_channel *oper_channel, *csa_channel; |
f0706e82 | 1011 | |
b8bc4b0a JB |
1012 | /* Temporary remain-on-channel for off-channel operations */ |
1013 | struct ieee80211_channel *tmp_channel; | |
1014 | enum nl80211_channel_type tmp_channel_type; | |
1015 | ||
d01a1e65 MK |
1016 | /* channel contexts */ |
1017 | struct list_head chanctx_list; | |
1018 | struct mutex chanctx_mtx; | |
1019 | ||
f0706e82 JB |
1020 | /* SNMP counters */ |
1021 | /* dot11CountersTable */ | |
1022 | u32 dot11TransmittedFragmentCount; | |
1023 | u32 dot11MulticastTransmittedFrameCount; | |
1024 | u32 dot11FailedCount; | |
1025 | u32 dot11RetryCount; | |
1026 | u32 dot11MultipleRetryCount; | |
1027 | u32 dot11FrameDuplicateCount; | |
1028 | u32 dot11ReceivedFragmentCount; | |
1029 | u32 dot11MulticastReceivedFrameCount; | |
1030 | u32 dot11TransmittedFrameCount; | |
f0706e82 JB |
1031 | |
1032 | #ifdef CONFIG_MAC80211_LEDS | |
1033 | int tx_led_counter, rx_led_counter; | |
cdcb006f | 1034 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
e1e54068 | 1035 | struct tpt_led_trigger *tpt_led_trigger; |
cdcb006f ID |
1036 | char tx_led_name[32], rx_led_name[32], |
1037 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
1038 | #endif |
1039 | ||
f0706e82 JB |
1040 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
1041 | /* TX/RX handler statistics */ | |
1042 | unsigned int tx_handlers_drop; | |
1043 | unsigned int tx_handlers_queued; | |
1044 | unsigned int tx_handlers_drop_unencrypted; | |
1045 | unsigned int tx_handlers_drop_fragment; | |
1046 | unsigned int tx_handlers_drop_wep; | |
1047 | unsigned int tx_handlers_drop_not_assoc; | |
1048 | unsigned int tx_handlers_drop_unauth_port; | |
1049 | unsigned int rx_handlers_drop; | |
1050 | unsigned int rx_handlers_queued; | |
1051 | unsigned int rx_handlers_drop_nullfunc; | |
1052 | unsigned int rx_handlers_drop_defrag; | |
1053 | unsigned int rx_handlers_drop_short; | |
f0706e82 JB |
1054 | unsigned int tx_expand_skb_head; |
1055 | unsigned int tx_expand_skb_head_cloned; | |
1056 | unsigned int rx_expand_skb_head; | |
1057 | unsigned int rx_expand_skb_head2; | |
1058 | unsigned int rx_handlers_fragments; | |
1059 | unsigned int tx_status_drop; | |
f0706e82 JB |
1060 | #define I802_DEBUG_INC(c) (c)++ |
1061 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
1062 | #define I802_DEBUG_INC(c) do { } while (0) | |
1063 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
1064 | ||
1065 | ||
f0706e82 JB |
1066 | int total_ps_buffered; /* total number of all buffered unicast and |
1067 | * multicast packets for power saving stations | |
1068 | */ | |
520eb820 | 1069 | |
572e0012 | 1070 | bool pspolling; |
b203ffc3 | 1071 | bool offchannel_ps_enabled; |
965bedad JB |
1072 | /* |
1073 | * PS can only be enabled when we have exactly one managed | |
1074 | * interface (and monitors) in PS, this then points there. | |
1075 | */ | |
1076 | struct ieee80211_sub_if_data *ps_sdata; | |
520eb820 KV |
1077 | struct work_struct dynamic_ps_enable_work; |
1078 | struct work_struct dynamic_ps_disable_work; | |
1079 | struct timer_list dynamic_ps_timer; | |
10f644a4 | 1080 | struct notifier_block network_latency_notifier; |
2b2c009e | 1081 | struct notifier_block ifa_notifier; |
f0706e82 | 1082 | |
ff616381 JO |
1083 | /* |
1084 | * The dynamic ps timeout configured from user space via WEXT - | |
1085 | * this will override whatever chosen by mac80211 internally. | |
1086 | */ | |
1087 | int dynamic_ps_forced_timeout; | |
f90754c1 JO |
1088 | int dynamic_ps_user_timeout; |
1089 | bool disable_dynamic_ps; | |
ff616381 | 1090 | |
2bf30fab | 1091 | int user_power_level; /* in dBm */ |
04b7b2ff | 1092 | int ap_power_level; /* in dBm */ |
2bf30fab | 1093 | |
0f78231b JB |
1094 | enum ieee80211_smps_mode smps_mode; |
1095 | ||
f2753ddb JB |
1096 | struct work_struct restart_work; |
1097 | ||
e9f207f0 JB |
1098 | #ifdef CONFIG_MAC80211_DEBUGFS |
1099 | struct local_debugfsdentries { | |
4b7679a5 | 1100 | struct dentry *rcdir; |
e9f207f0 JB |
1101 | struct dentry *keys; |
1102 | } debugfs; | |
1103 | #endif | |
4e6cbfd0 | 1104 | |
2eb278e0 JB |
1105 | /* |
1106 | * Remain-on-channel support | |
1107 | */ | |
1108 | struct list_head roc_list; | |
21f83589 | 1109 | struct work_struct hw_roc_start, hw_roc_done; |
2eb278e0 | 1110 | unsigned long hw_roc_start_time; |
21f83589 | 1111 | |
a729cff8 JB |
1112 | struct idr ack_status_frames; |
1113 | spinlock_t ack_status_lock; | |
1114 | ||
f142c6b9 JB |
1115 | struct ieee80211_sub_if_data __rcu *p2p_sdata; |
1116 | ||
4e6cbfd0 JL |
1117 | /* dummy netdev for use w/ NAPI */ |
1118 | struct net_device napi_dev; | |
1119 | ||
1120 | struct napi_struct napi; | |
4b6f1dd6 JB |
1121 | |
1122 | /* virtual monitor interface */ | |
1123 | struct ieee80211_sub_if_data __rcu *monitor_sdata; | |
f0706e82 JB |
1124 | }; |
1125 | ||
3e122be0 JB |
1126 | static inline struct ieee80211_sub_if_data * |
1127 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
1128 | { | |
3e122be0 JB |
1129 | return netdev_priv(dev); |
1130 | } | |
1131 | ||
71bbc994 JB |
1132 | static inline struct ieee80211_sub_if_data * |
1133 | IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) | |
1134 | { | |
1135 | return container_of(wdev, struct ieee80211_sub_if_data, wdev); | |
1136 | } | |
1137 | ||
c1475ca9 | 1138 | /* this struct represents 802.11n's RA/TID combination */ |
eadc8d9e RR |
1139 | struct ieee80211_ra_tid { |
1140 | u8 ra[ETH_ALEN]; | |
1141 | u16 tid; | |
1142 | }; | |
1143 | ||
dd76986b JB |
1144 | /* Parsed Information Elements */ |
1145 | struct ieee802_11_elems { | |
1146 | u8 *ie_start; | |
1147 | size_t total_len; | |
1148 | ||
1149 | /* pointers to IEs */ | |
1150 | u8 *ssid; | |
1151 | u8 *supp_rates; | |
1152 | u8 *fh_params; | |
1153 | u8 *ds_params; | |
1154 | u8 *cf_params; | |
1155 | struct ieee80211_tim_ie *tim; | |
1156 | u8 *ibss_params; | |
1157 | u8 *challenge; | |
1158 | u8 *wpa; | |
1159 | u8 *rsn; | |
1160 | u8 *erp_info; | |
1161 | u8 *ext_supp_rates; | |
1162 | u8 *wmm_info; | |
1163 | u8 *wmm_param; | |
1164 | struct ieee80211_ht_cap *ht_cap_elem; | |
074d46d1 | 1165 | struct ieee80211_ht_operation *ht_operation; |
dd76986b JB |
1166 | struct ieee80211_meshconf_ie *mesh_config; |
1167 | u8 *mesh_id; | |
1168 | u8 *peering; | |
1169 | u8 *preq; | |
1170 | u8 *prep; | |
1171 | u8 *perr; | |
1172 | struct ieee80211_rann_ie *rann; | |
5bc1420b | 1173 | struct ieee80211_channel_sw_ie *ch_switch_ie; |
dd76986b JB |
1174 | u8 *country_elem; |
1175 | u8 *pwr_constr_elem; | |
1176 | u8 *quiet_elem; /* first quite element */ | |
1177 | u8 *timeout_int; | |
1178 | ||
1179 | /* length of them, respectively */ | |
1180 | u8 ssid_len; | |
1181 | u8 supp_rates_len; | |
1182 | u8 fh_params_len; | |
1183 | u8 ds_params_len; | |
1184 | u8 cf_params_len; | |
1185 | u8 tim_len; | |
1186 | u8 ibss_params_len; | |
1187 | u8 challenge_len; | |
1188 | u8 wpa_len; | |
1189 | u8 rsn_len; | |
1190 | u8 erp_info_len; | |
1191 | u8 ext_supp_rates_len; | |
1192 | u8 wmm_info_len; | |
1193 | u8 wmm_param_len; | |
1194 | u8 mesh_id_len; | |
1195 | u8 peering_len; | |
1196 | u8 preq_len; | |
1197 | u8 prep_len; | |
1198 | u8 perr_len; | |
dd76986b | 1199 | u8 country_elem_len; |
dd76986b JB |
1200 | u8 quiet_elem_len; |
1201 | u8 num_of_quiet_elem; /* can be more the one */ | |
1202 | u8 timeout_int_len; | |
fcff4f10 PS |
1203 | |
1204 | /* whether a parse error occurred while retrieving these elements */ | |
1205 | bool parse_error; | |
dd76986b JB |
1206 | }; |
1207 | ||
f0706e82 JB |
1208 | static inline struct ieee80211_local *hw_to_local( |
1209 | struct ieee80211_hw *hw) | |
1210 | { | |
1211 | return container_of(hw, struct ieee80211_local, hw); | |
1212 | } | |
1213 | ||
f0706e82 | 1214 | |
571ecf67 JB |
1215 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
1216 | { | |
b203ca39 | 1217 | return ether_addr_equal(raddr, addr) || |
571ecf67 JB |
1218 | is_broadcast_ether_addr(raddr); |
1219 | } | |
1220 | ||
1221 | ||
e8975581 | 1222 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
5cf121c3 | 1223 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
9c6bd790 JB |
1224 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
1225 | u32 changed); | |
0d143fe1 | 1226 | void ieee80211_configure_filter(struct ieee80211_local *local); |
46900298 | 1227 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
f0706e82 | 1228 | |
46900298 | 1229 | /* STA code */ |
9c6bd790 | 1230 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
77fdaa12 JB |
1231 | int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, |
1232 | struct cfg80211_auth_request *req); | |
1233 | int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, | |
1234 | struct cfg80211_assoc_request *req); | |
1235 | int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, | |
63c9c5e7 | 1236 | struct cfg80211_deauth_request *req); |
77fdaa12 | 1237 | int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, |
63c9c5e7 | 1238 | struct cfg80211_disassoc_request *req); |
572e0012 KV |
1239 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
1240 | struct ieee80211_sub_if_data *sdata); | |
10f644a4 | 1241 | void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); |
ab095877 | 1242 | void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); |
10f644a4 JB |
1243 | int ieee80211_max_network_latency(struct notifier_block *nb, |
1244 | unsigned long data, void *dummy); | |
2b2c009e | 1245 | int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); |
cc32abd4 JB |
1246 | void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, |
1247 | struct ieee80211_channel_sw_ie *sw_elem, | |
5ce6e438 JB |
1248 | struct ieee80211_bss *bss, |
1249 | u64 timestamp); | |
5bb644a0 JB |
1250 | void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); |
1251 | void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); | |
1fa57d01 JB |
1252 | void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); |
1253 | void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1254 | struct sk_buff *skb); | |
d3a910a8 | 1255 | void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); |
be099e82 | 1256 | void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); |
afa762f6 | 1257 | void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); |
9c6bd790 | 1258 | |
46900298 | 1259 | /* IBSS code */ |
46900298 JB |
1260 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); |
1261 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
8bf11d8d JB |
1262 | void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, |
1263 | const u8 *bssid, const u8 *addr, u32 supp_rates); | |
af8cdcd8 JB |
1264 | int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, |
1265 | struct cfg80211_ibss_params *params); | |
1266 | int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); | |
5bb644a0 JB |
1267 | void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); |
1268 | void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); | |
1fa57d01 JB |
1269 | void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); |
1270 | void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1271 | struct sk_buff *skb); | |
1272 | ||
1273 | /* mesh code */ | |
1274 | void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); | |
1275 | void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1276 | struct sk_buff *skb); | |
46900298 | 1277 | |
9c6bd790 | 1278 | /* scan/BSS handling */ |
46900298 | 1279 | void ieee80211_scan_work(struct work_struct *work); |
f3b85252 | 1280 | int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, |
be4a4b6a JB |
1281 | const u8 *ssid, u8 ssid_len, |
1282 | struct ieee80211_channel *chan); | |
c2b13452 | 1283 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
2a519311 | 1284 | struct cfg80211_scan_request *req); |
5bb644a0 | 1285 | void ieee80211_scan_cancel(struct ieee80211_local *local); |
133d40f9 | 1286 | void ieee80211_run_deferred_scan(struct ieee80211_local *local); |
d48b2968 | 1287 | void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); |
9c6bd790 | 1288 | |
0a51b27e | 1289 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
c2b13452 | 1290 | struct ieee80211_bss * |
98c8fccf JB |
1291 | ieee80211_bss_info_update(struct ieee80211_local *local, |
1292 | struct ieee80211_rx_status *rx_status, | |
1293 | struct ieee80211_mgmt *mgmt, | |
1294 | size_t len, | |
1295 | struct ieee802_11_elems *elems, | |
2a519311 JB |
1296 | struct ieee80211_channel *channel, |
1297 | bool beacon); | |
98c8fccf | 1298 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 1299 | struct ieee80211_bss *bss); |
ee385855 | 1300 | |
79f460ca LC |
1301 | /* scheduled scan handling */ |
1302 | int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, | |
1303 | struct cfg80211_sched_scan_request *req); | |
85a9994a LC |
1304 | int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); |
1305 | void ieee80211_sched_scan_stopped_work(struct work_struct *work); | |
79f460ca | 1306 | |
b203ffc3 | 1307 | /* off-channel helpers */ |
b23b025f BG |
1308 | void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, |
1309 | bool offchannel_ps_enable); | |
b203ffc3 | 1310 | void ieee80211_offchannel_return(struct ieee80211_local *local, |
b23b025f | 1311 | bool offchannel_ps_disable); |
2eb278e0 JB |
1312 | void ieee80211_roc_setup(struct ieee80211_local *local); |
1313 | void ieee80211_start_next_roc(struct ieee80211_local *local); | |
1314 | void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata); | |
1315 | void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc); | |
1316 | void ieee80211_sw_roc_work(struct work_struct *work); | |
1317 | void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); | |
b203ffc3 | 1318 | |
3e122be0 | 1319 | /* interface handling */ |
47846c9b JB |
1320 | int ieee80211_iface_init(void); |
1321 | void ieee80211_iface_exit(void); | |
3e122be0 | 1322 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
84efbb84 | 1323 | struct wireless_dev **new_wdev, enum nl80211_iftype type, |
ee385855 | 1324 | struct vif_params *params); |
f3947e2d | 1325 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
05c914fe | 1326 | enum nl80211_iftype type); |
f698d856 | 1327 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 1328 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
5cff20e6 | 1329 | void ieee80211_recalc_idle(struct ieee80211_local *local); |
85416a4f CL |
1330 | void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, |
1331 | const int offset); | |
f142c6b9 JB |
1332 | int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); |
1333 | void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); | |
f0706e82 | 1334 | |
9607e6b6 JB |
1335 | static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) |
1336 | { | |
34d4bc4d | 1337 | return test_bit(SDATA_STATE_RUNNING, &sdata->state); |
9607e6b6 JB |
1338 | } |
1339 | ||
e2ebc74d | 1340 | /* tx handling */ |
e2ebc74d JB |
1341 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
1342 | void ieee80211_tx_pending(unsigned long data); | |
d0cf9c0d SH |
1343 | netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, |
1344 | struct net_device *dev); | |
1345 | netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, | |
1346 | struct net_device *dev); | |
e2ebc74d | 1347 | |
de1ede7a | 1348 | /* HT */ |
ef96a842 BG |
1349 | void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, |
1350 | struct ieee80211_sta_ht_cap *ht_cap); | |
1351 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, | |
1352 | struct ieee80211_supported_band *sband, | |
ae5eb026 | 1353 | struct ieee80211_ht_cap *ht_cap_ie, |
d9fe60de | 1354 | struct ieee80211_sta_ht_cap *ht_cap); |
b8695a8f JB |
1355 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
1356 | const u8 *da, u16 tid, | |
1357 | u16 initiator, u16 reason_code); | |
0f78231b JB |
1358 | int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, |
1359 | enum ieee80211_smps_mode smps, const u8 *da, | |
1360 | const u8 *bssid); | |
d1f5b7a3 | 1361 | void ieee80211_request_smps_work(struct work_struct *work); |
de1ede7a | 1362 | |
7c3b1dd8 | 1363 | void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 | 1364 | u16 initiator, u16 reason, bool stop); |
849b7967 | 1365 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 JB |
1366 | u16 initiator, u16 reason, bool stop); |
1367 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx); | |
de1ede7a JB |
1368 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
1369 | struct sta_info *sta, | |
1370 | struct ieee80211_mgmt *mgmt, size_t len); | |
1371 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
1372 | struct sta_info *sta, | |
1373 | struct ieee80211_mgmt *mgmt, | |
1374 | size_t len); | |
1375 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
1376 | struct sta_info *sta, | |
1377 | struct ieee80211_mgmt *mgmt, | |
1378 | size_t len); | |
1379 | ||
849b7967 | 1380 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 JB |
1381 | enum ieee80211_back_parties initiator, |
1382 | bool tx); | |
67c282c0 | 1383 | int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 JB |
1384 | enum ieee80211_back_parties initiator, |
1385 | bool tx); | |
5d22c89b JB |
1386 | void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); |
1387 | void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); | |
67c282c0 JB |
1388 | void ieee80211_ba_session_work(struct work_struct *work); |
1389 | void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); | |
2bff8ebf | 1390 | void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); |
849b7967 | 1391 | |
39192c0b JB |
1392 | /* Spectrum management */ |
1393 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
1394 | struct ieee80211_mgmt *mgmt, | |
1395 | size_t len); | |
1396 | ||
f2753ddb JB |
1397 | /* Suspend/resume and hw reconfiguration */ |
1398 | int ieee80211_reconfig(struct ieee80211_local *local); | |
84f6a01c | 1399 | void ieee80211_stop_device(struct ieee80211_local *local); |
f2753ddb | 1400 | |
eecc4800 JB |
1401 | int __ieee80211_suspend(struct ieee80211_hw *hw, |
1402 | struct cfg80211_wowlan *wowlan); | |
f2753ddb JB |
1403 | |
1404 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) | |
1405 | { | |
85f72bc8 JL |
1406 | struct ieee80211_local *local = hw_to_local(hw); |
1407 | ||
1408 | WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), | |
1409 | "%s: resume with hardware scan still in progress\n", | |
1410 | wiphy_name(hw->wiphy)); | |
1411 | ||
f2753ddb JB |
1412 | return ieee80211_reconfig(hw_to_local(hw)); |
1413 | } | |
665af4fc | 1414 | |
c2d1560a JB |
1415 | /* utility functions/constants */ |
1416 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
71364716 | 1417 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
05c914fe | 1418 | enum nl80211_iftype type); |
4ee73f33 | 1419 | int ieee80211_frame_duration(enum ieee80211_band band, size_t len, |
c2d1560a | 1420 | int rate, int erp, int short_preamble); |
f698d856 | 1421 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
e6d6e342 JB |
1422 | struct ieee80211_hdr *hdr, const u8 *tsc, |
1423 | gfp_t gfp); | |
3abead59 JB |
1424 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, |
1425 | bool bss_notify); | |
ce662b44 | 1426 | void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
cf6bb79a HS |
1427 | |
1428 | void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, | |
1429 | struct sk_buff *skb, int tid); | |
1430 | static void inline ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, | |
1431 | struct sk_buff *skb) | |
1432 | { | |
1433 | /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ | |
1434 | ieee80211_tx_skb_tid(sdata, skb, 7); | |
1435 | } | |
1436 | ||
9c6bd790 JB |
1437 | void ieee802_11_parse_elems(u8 *start, size_t len, |
1438 | struct ieee802_11_elems *elems); | |
d91f36db JB |
1439 | u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, |
1440 | struct ieee802_11_elems *elems, | |
1441 | u64 filter, u32 crc); | |
881d948c | 1442 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
96dd22ac | 1443 | enum ieee80211_band band); |
f0706e82 | 1444 | |
520eb820 KV |
1445 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
1446 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); | |
1447 | void ieee80211_dynamic_ps_timer(unsigned long data); | |
a97b77b9 VN |
1448 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
1449 | struct ieee80211_sub_if_data *sdata, | |
1450 | int powersave); | |
3cf335d5 KV |
1451 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
1452 | struct ieee80211_hdr *hdr); | |
4e5ff376 | 1453 | void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, |
04ac3c0e | 1454 | struct ieee80211_hdr *hdr, bool ack); |
520eb820 | 1455 | |
ce7c9111 KV |
1456 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
1457 | enum queue_stop_reason reason); | |
1458 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, | |
1459 | enum queue_stop_reason reason); | |
96f5e66e JB |
1460 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
1461 | enum queue_stop_reason reason); | |
1462 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, | |
1463 | enum queue_stop_reason reason); | |
3a25a8c8 | 1464 | void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); |
8f77f384 JB |
1465 | void ieee80211_add_pending_skb(struct ieee80211_local *local, |
1466 | struct sk_buff *skb); | |
b0b97a8a JB |
1467 | void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, |
1468 | struct sk_buff_head *skbs, | |
1469 | void (*fn)(void *data), void *data); | |
78307daa JB |
1470 | static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, |
1471 | struct sk_buff_head *skbs) | |
1472 | { | |
1473 | ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); | |
1474 | } | |
ce7c9111 | 1475 | |
46900298 JB |
1476 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
1477 | u16 transaction, u16 auth_alg, | |
fffd0934 | 1478 | u8 *extra, size_t extra_len, const u8 *bssid, |
efa6a09d | 1479 | const u8 *da, const u8 *key, u8 key_len, u8 key_idx); |
6ae16775 AQ |
1480 | void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, |
1481 | const u8 *bssid, u16 stype, u16 reason, | |
1482 | bool send_frame, u8 *frame_buf); | |
de95a54b | 1483 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
4d36ec58 | 1484 | const u8 *ie, size_t ie_len, |
651b5225 JM |
1485 | enum ieee80211_band band, u32 rate_mask, |
1486 | u8 channel); | |
a619a4c0 | 1487 | struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, |
85a237fe | 1488 | u8 *dst, u32 ratemask, |
6b77863b | 1489 | struct ieee80211_channel *chan, |
a619a4c0 | 1490 | const u8 *ssid, size_t ssid_len, |
a806c558 PS |
1491 | const u8 *ie, size_t ie_len, |
1492 | bool directed); | |
46900298 | 1493 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
de95a54b | 1494 | const u8 *ssid, size_t ssid_len, |
a806c558 | 1495 | const u8 *ie, size_t ie_len, |
fe94fe05 JB |
1496 | u32 ratemask, bool directed, bool no_cck, |
1497 | struct ieee80211_channel *channel); | |
46900298 JB |
1498 | |
1499 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, | |
1500 | const size_t supp_rates_len, | |
1501 | const u8 *supp_rates); | |
1502 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, | |
1503 | struct ieee802_11_elems *elems, | |
9ebb61a2 | 1504 | enum ieee80211_band band, u32 *basic_rates); |
0f78231b JB |
1505 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1506 | enum ieee80211_smps_mode smps_mode); | |
025e6be2 | 1507 | void ieee80211_recalc_smps(struct ieee80211_local *local); |
46900298 | 1508 | |
8e664fb3 JB |
1509 | size_t ieee80211_ie_split(const u8 *ies, size_t ielen, |
1510 | const u8 *ids, int n_ids, size_t offset); | |
1511 | size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); | |
ef96a842 | 1512 | u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, |
42e7aa77 | 1513 | u16 cap); |
074d46d1 JB |
1514 | u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, |
1515 | struct ieee80211_channel *channel, | |
431e3154 AN |
1516 | enum nl80211_channel_type channel_type, |
1517 | u16 prot_mode); | |
ba0afa2f MP |
1518 | u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, |
1519 | u32 cap); | |
fc8a7321 | 1520 | int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, |
6b77863b JB |
1521 | struct sk_buff *skb, bool need_basic, |
1522 | enum ieee80211_band band); | |
fc8a7321 | 1523 | int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, |
6b77863b JB |
1524 | struct sk_buff *skb, bool need_basic, |
1525 | enum ieee80211_band band); | |
8e664fb3 | 1526 | |
f444de05 JB |
1527 | /* channel management */ |
1528 | enum ieee80211_chan_mode { | |
1529 | CHAN_MODE_UNDEFINED, | |
1530 | CHAN_MODE_HOPPING, | |
1531 | CHAN_MODE_FIXED, | |
1532 | }; | |
1533 | ||
1534 | enum ieee80211_chan_mode | |
1535 | ieee80211_get_channel_mode(struct ieee80211_local *local, | |
1536 | struct ieee80211_sub_if_data *ignore); | |
0aaffa9b JB |
1537 | bool ieee80211_set_channel_type(struct ieee80211_local *local, |
1538 | struct ieee80211_sub_if_data *sdata, | |
1539 | enum nl80211_channel_type chantype); | |
42e7aa77 | 1540 | enum nl80211_channel_type |
074d46d1 | 1541 | ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper); |
f444de05 | 1542 | |
d01a1e65 MK |
1543 | int __must_check |
1544 | ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, | |
1545 | struct ieee80211_channel *channel, | |
1546 | enum nl80211_channel_type channel_type, | |
1547 | enum ieee80211_chanctx_mode mode); | |
1548 | void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); | |
1549 | ||
f4ea83dd | 1550 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1551 | #define debug_noinline noinline |
1552 | #else | |
1553 | #define debug_noinline | |
1554 | #endif | |
1555 | ||
f0706e82 | 1556 | #endif /* IEEE80211_I_H */ |