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 | |
1ea6f9c0 JB |
59 | /* power level hasn't been configured (or set to automatic) */ |
60 | #define IEEE80211_UNSET_POWER_LEVEL INT_MIN | |
61 | ||
d6a4ed6f AN |
62 | /* |
63 | * Some APs experience problems when working with U-APSD. Decrease the | |
64 | * probability of that happening by using legacy mode for all ACs but VO. | |
65 | * The AP that caused us trouble was a Cisco 4410N. It ignores our | |
66 | * setting, and always treats non-VO ACs as legacy. | |
67 | */ | |
ab13315a | 68 | #define IEEE80211_DEFAULT_UAPSD_QUEUES \ |
d6a4ed6f | 69 | IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |
ab13315a KV |
70 | |
71 | #define IEEE80211_DEFAULT_MAX_SP_LEN \ | |
72 | IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL | |
73 | ||
6ae16775 AQ |
74 | #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) |
75 | ||
f0706e82 JB |
76 | struct ieee80211_fragment_entry { |
77 | unsigned long first_frag_time; | |
78 | unsigned int seq; | |
79 | unsigned int rx_queue; | |
80 | unsigned int last_frag; | |
81 | unsigned int extra_len; | |
82 | struct sk_buff_head skb_list; | |
83 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
84 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
85 | }; | |
86 | ||
87 | ||
c2b13452 | 88 | struct ieee80211_bss { |
ef429dad | 89 | u32 device_ts_beacon, device_ts_presp; |
8c358bcd | 90 | |
43ac2ca3 | 91 | bool wmm_used; |
ab13315a | 92 | bool uapsd_supported; |
00d3f14c | 93 | |
f0706e82 JB |
94 | #define IEEE80211_MAX_SUPP_RATES 32 |
95 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
96 | size_t supp_rates_len; | |
f0706e82 | 97 | |
00d3f14c | 98 | /* |
25985edc | 99 | * During association, we save an ERP value from a probe response so |
5628221c DD |
100 | * that we can feed ERP info to the driver when handling the |
101 | * association completes. these fields probably won't be up-to-date | |
00d3f14c JB |
102 | * otherwise, you probably don't want to use them. |
103 | */ | |
104 | bool has_erp_value; | |
5628221c | 105 | u8 erp_value; |
fcff4f10 PS |
106 | |
107 | /* Keep track of the corruption of the last beacon/probe response. */ | |
108 | u8 corrupt_data; | |
109 | ||
110 | /* Keep track of what bits of information we have valid info for. */ | |
111 | u8 valid_data; | |
112 | }; | |
113 | ||
114 | /** | |
115 | * enum ieee80211_corrupt_data_flags - BSS data corruption flags | |
116 | * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted | |
117 | * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted | |
118 | * | |
119 | * These are bss flags that are attached to a bss in the | |
120 | * @corrupt_data field of &struct ieee80211_bss. | |
121 | */ | |
122 | enum ieee80211_bss_corrupt_data_flags { | |
123 | IEEE80211_BSS_CORRUPT_BEACON = BIT(0), | |
124 | IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) | |
125 | }; | |
126 | ||
127 | /** | |
128 | * enum ieee80211_valid_data_flags - BSS valid data flags | |
fcff4f10 PS |
129 | * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE |
130 | * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE | |
131 | * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE | |
132 | * | |
133 | * These are bss flags that are attached to a bss in the | |
134 | * @valid_data field of &struct ieee80211_bss. They show which parts | |
135 | * of the data structure were recieved as a result of an un-corrupted | |
136 | * beacon/probe response. | |
137 | */ | |
138 | enum ieee80211_bss_valid_data_flags { | |
fcff4f10 PS |
139 | IEEE80211_BSS_VALID_WMM = BIT(1), |
140 | IEEE80211_BSS_VALID_RATES = BIT(2), | |
141 | IEEE80211_BSS_VALID_ERP = BIT(3) | |
f0706e82 JB |
142 | }; |
143 | ||
9ae54c84 JB |
144 | typedef unsigned __bitwise__ ieee80211_tx_result; |
145 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
146 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
147 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
148 | ||
5cf121c3 JB |
149 | #define IEEE80211_TX_UNICAST BIT(1) |
150 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
5cf121c3 JB |
151 | |
152 | struct ieee80211_tx_data { | |
153 | struct sk_buff *skb; | |
252b86c4 | 154 | struct sk_buff_head skbs; |
5cf121c3 JB |
155 | struct ieee80211_local *local; |
156 | struct ieee80211_sub_if_data *sdata; | |
157 | struct sta_info *sta; | |
5cf121c3 | 158 | struct ieee80211_key *key; |
0d528d85 | 159 | struct ieee80211_tx_rate rate; |
5cf121c3 | 160 | |
056cdd59 | 161 | unsigned int flags; |
5cf121c3 JB |
162 | }; |
163 | ||
164 | ||
9ae54c84 | 165 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
166 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
167 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
168 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
169 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 170 | |
554891e6 JB |
171 | /** |
172 | * enum ieee80211_packet_rx_flags - packet RX flags | |
173 | * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed | |
174 | * (incl. multicast frames) | |
554891e6 JB |
175 | * @IEEE80211_RX_FRAGMENTED: fragmented frame |
176 | * @IEEE80211_RX_AMSDU: a-MSDU packet | |
177 | * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed | |
4cfda47b | 178 | * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering |
554891e6 JB |
179 | * |
180 | * These are per-frame flags that are attached to a frame in the | |
181 | * @rx_flags field of &struct ieee80211_rx_status. | |
182 | */ | |
183 | enum ieee80211_packet_rx_flags { | |
554891e6 JB |
184 | IEEE80211_RX_RA_MATCH = BIT(1), |
185 | IEEE80211_RX_FRAGMENTED = BIT(2), | |
186 | IEEE80211_RX_AMSDU = BIT(3), | |
187 | IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), | |
4cfda47b | 188 | IEEE80211_RX_DEFERRED_RELEASE = BIT(5), |
554891e6 JB |
189 | }; |
190 | ||
191 | /** | |
192 | * enum ieee80211_rx_flags - RX data flags | |
193 | * | |
194 | * @IEEE80211_RX_CMNTR: received on cooked monitor already | |
ee971924 JB |
195 | * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported |
196 | * to cfg80211_report_obss_beacon(). | |
554891e6 JB |
197 | * |
198 | * These flags are used across handling multiple interfaces | |
199 | * for a single frame. | |
200 | */ | |
201 | enum ieee80211_rx_flags { | |
202 | IEEE80211_RX_CMNTR = BIT(0), | |
ee971924 | 203 | IEEE80211_RX_BEACON_REPORTED = BIT(1), |
554891e6 | 204 | }; |
5cf121c3 JB |
205 | |
206 | struct ieee80211_rx_data { | |
f0706e82 | 207 | struct sk_buff *skb; |
f0706e82 JB |
208 | struct ieee80211_local *local; |
209 | struct ieee80211_sub_if_data *sdata; | |
210 | struct sta_info *sta; | |
f0706e82 | 211 | struct ieee80211_key *key; |
056cdd59 | 212 | |
056cdd59 | 213 | unsigned int flags; |
9e26297a JB |
214 | |
215 | /* | |
216 | * Index into sequence numbers array, 0..16 | |
217 | * since the last (16) is used for non-QoS, | |
218 | * will be 16 on non-QoS frames. | |
219 | */ | |
220 | int seqno_idx; | |
221 | ||
222 | /* | |
223 | * Index into the security IV/PN arrays, 0..16 | |
224 | * since the last (16) is used for CCMP-encrypted | |
225 | * management frames, will be set to 16 on mgmt | |
226 | * frames and 0 on non-QoS frames. | |
227 | */ | |
228 | int security_idx; | |
229 | ||
5cf121c3 JB |
230 | u32 tkip_iv32; |
231 | u16 tkip_iv16; | |
f0706e82 JB |
232 | }; |
233 | ||
5dfdaf58 JB |
234 | struct beacon_data { |
235 | u8 *head, *tail; | |
236 | int head_len, tail_len; | |
8860020e | 237 | struct rcu_head rcu_head; |
5dfdaf58 JB |
238 | }; |
239 | ||
aa7a0080 ES |
240 | struct probe_resp { |
241 | struct rcu_head rcu_head; | |
242 | int len; | |
243 | u8 data[0]; | |
244 | }; | |
245 | ||
d012a605 | 246 | struct ps_data { |
f0706e82 JB |
247 | /* yes, this looks ugly, but guarantees that we can later use |
248 | * bitmap_empty :) | |
004c872e | 249 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 250 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
d012a605 | 251 | struct sk_buff_head bc_buf; |
056cdd59 | 252 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 253 | int dtim_count; |
512119b3 | 254 | bool dtim_bc_mc; |
f0706e82 JB |
255 | }; |
256 | ||
d012a605 MP |
257 | struct ieee80211_if_ap { |
258 | struct beacon_data __rcu *beacon; | |
259 | struct probe_resp __rcu *probe_resp; | |
260 | ||
261 | struct list_head vlans; | |
262 | ||
263 | struct ps_data ps; | |
264 | atomic_t num_mcast_sta; /* number of stations receiving multicast */ | |
265 | }; | |
266 | ||
f0706e82 | 267 | struct ieee80211_if_wds { |
f0706e82 | 268 | struct sta_info *sta; |
056cdd59 | 269 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
270 | }; |
271 | ||
272 | struct ieee80211_if_vlan { | |
0ec3ca44 | 273 | struct list_head list; |
f14543ee FF |
274 | |
275 | /* used for all tx if the VLAN is configured to 4-addr mode */ | |
40b275b6 | 276 | struct sta_info __rcu *sta; |
f0706e82 JB |
277 | }; |
278 | ||
ee385855 | 279 | struct mesh_stats { |
c8a61a7d DW |
280 | __u32 fwded_mcast; /* Mesh forwarded multicast frames */ |
281 | __u32 fwded_unicast; /* Mesh forwarded unicast frames */ | |
282 | __u32 fwded_frames; /* Mesh total forwarded frames */ | |
ee385855 LCC |
283 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
284 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
cfee66b0 | 285 | __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ |
ee385855 LCC |
286 | }; |
287 | ||
288 | #define PREQ_Q_F_START 0x1 | |
289 | #define PREQ_Q_F_REFRESH 0x2 | |
290 | struct mesh_preq_queue { | |
291 | struct list_head list; | |
292 | u8 dst[ETH_ALEN]; | |
293 | u8 flags; | |
294 | }; | |
295 | ||
2eb278e0 JB |
296 | #if HZ/100 == 0 |
297 | #define IEEE80211_ROC_MIN_LEFT 1 | |
298 | #else | |
299 | #define IEEE80211_ROC_MIN_LEFT (HZ/100) | |
300 | #endif | |
af6b6374 | 301 | |
2eb278e0 | 302 | struct ieee80211_roc_work { |
77fdaa12 | 303 | struct list_head list; |
2eb278e0 | 304 | struct list_head dependents; |
77fdaa12 | 305 | |
2eb278e0 | 306 | struct delayed_work work; |
af6b6374 JB |
307 | |
308 | struct ieee80211_sub_if_data *sdata; | |
309 | ||
f679f65d | 310 | struct ieee80211_channel *chan; |
af6b6374 | 311 | |
2eb278e0 | 312 | bool started, abort, hw_begun, notified; |
3fbd45ca | 313 | bool to_be_freed; |
d13ab64e | 314 | bool on_channel; |
f679f65d | 315 | |
2eb278e0 | 316 | unsigned long hw_start_time; |
e4da8c37 | 317 | |
2eb278e0 JB |
318 | u32 duration, req_duration; |
319 | struct sk_buff *frame; | |
50febf6a | 320 | u64 cookie, mgmt_tx_cookie; |
d339d5ca | 321 | enum ieee80211_roc_type type; |
77fdaa12 JB |
322 | }; |
323 | ||
46900298 | 324 | /* flags used in struct ieee80211_if_managed.flags */ |
ab1faead | 325 | enum ieee80211_sta_flags { |
b291ba11 JB |
326 | IEEE80211_STA_BEACON_POLL = BIT(0), |
327 | IEEE80211_STA_CONNECTION_POLL = BIT(1), | |
328 | IEEE80211_STA_CONTROL_PORT = BIT(2), | |
a8243b72 | 329 | IEEE80211_STA_DISABLE_HT = BIT(4), |
b291ba11 JB |
330 | IEEE80211_STA_CSA_RECEIVED = BIT(5), |
331 | IEEE80211_STA_MFP_ENABLED = BIT(6), | |
ab13315a | 332 | IEEE80211_STA_UAPSD_ENABLED = BIT(7), |
375177bf | 333 | IEEE80211_STA_NULLFUNC_ACKED = BIT(8), |
17e4ec14 | 334 | IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), |
24398e39 | 335 | IEEE80211_STA_DISABLE_40MHZ = BIT(10), |
d545daba | 336 | IEEE80211_STA_DISABLE_VHT = BIT(11), |
f2d9d270 JB |
337 | IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), |
338 | IEEE80211_STA_DISABLE_160MHZ = BIT(13), | |
ab1faead JB |
339 | }; |
340 | ||
66e67e41 JB |
341 | struct ieee80211_mgd_auth_data { |
342 | struct cfg80211_bss *bss; | |
343 | unsigned long timeout; | |
344 | int tries; | |
345 | u16 algorithm, expected_transaction; | |
346 | ||
347 | u8 key[WLAN_KEY_LEN_WEP104]; | |
348 | u8 key_len, key_idx; | |
66e67e41 | 349 | bool done; |
89afe614 | 350 | bool timeout_started; |
66e67e41 | 351 | |
6b8ece3a JM |
352 | u16 sae_trans, sae_status; |
353 | size_t data_len; | |
354 | u8 data[]; | |
66e67e41 JB |
355 | }; |
356 | ||
357 | struct ieee80211_mgd_assoc_data { | |
358 | struct cfg80211_bss *bss; | |
359 | const u8 *supp_rates; | |
66e67e41 JB |
360 | |
361 | unsigned long timeout; | |
362 | int tries; | |
363 | ||
364 | u16 capability; | |
365 | u8 prev_bssid[ETH_ALEN]; | |
366 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
367 | u8 ssid_len; | |
368 | u8 supp_rates_len; | |
76f0303d | 369 | bool wmm, uapsd; |
c65dd147 | 370 | bool have_beacon, need_beacon; |
66e67e41 | 371 | bool synced; |
89afe614 | 372 | bool timeout_started; |
66e67e41 | 373 | |
9dde6423 JB |
374 | u8 ap_ht_param; |
375 | ||
b08fbbd8 JB |
376 | struct ieee80211_vht_cap ap_vht_cap; |
377 | ||
66e67e41 JB |
378 | size_t ie_len; |
379 | u8 ie[]; | |
380 | }; | |
381 | ||
46900298 | 382 | struct ieee80211_if_managed { |
056cdd59 | 383 | struct timer_list timer; |
b291ba11 JB |
384 | struct timer_list conn_mon_timer; |
385 | struct timer_list bcn_mon_timer; | |
c481ec97 | 386 | struct timer_list chswitch_timer; |
b291ba11 | 387 | struct work_struct monitor_work; |
c481ec97 | 388 | struct work_struct chswitch_work; |
1e4dcd01 | 389 | struct work_struct beacon_connection_loss_work; |
882a7c69 | 390 | struct work_struct csa_connection_drop_work; |
46900298 | 391 | |
7ccc8bd7 | 392 | unsigned long beacon_timeout; |
b291ba11 | 393 | unsigned long probe_timeout; |
a43abf29 | 394 | int probe_send_count; |
04ac3c0e | 395 | bool nullfunc_failed; |
682bd38b | 396 | bool connection_loss; |
b291ba11 | 397 | |
77fdaa12 | 398 | struct mutex mtx; |
0c1ad2ca | 399 | struct cfg80211_bss *associated; |
66e67e41 JB |
400 | struct ieee80211_mgd_auth_data *auth_data; |
401 | struct ieee80211_mgd_assoc_data *assoc_data; | |
46900298 | 402 | |
77fdaa12 | 403 | u8 bssid[ETH_ALEN]; |
46900298 | 404 | |
f0706e82 | 405 | u16 aid; |
f0706e82 | 406 | |
965bedad | 407 | bool powersave; /* powersave requested for this iface */ |
05cb9108 | 408 | bool broken_ap; /* AP is broken -- turn off powersave */ |
826262c3 | 409 | u8 dtim_period; |
0f78231b | 410 | enum ieee80211_smps_mode req_smps, /* requested smps mode */ |
d1f5b7a3 JB |
411 | driver_smps_mode; /* smps mode request */ |
412 | ||
413 | struct work_struct request_smps_work; | |
965bedad | 414 | |
d6f2da5b | 415 | unsigned int flags; |
f0706e82 | 416 | |
d8ec4433 | 417 | bool beacon_crc_valid; |
d91f36db JB |
418 | u32 beacon_crc; |
419 | ||
1672c0e3 JB |
420 | bool status_acked; |
421 | bool status_received; | |
422 | __le16 status_fc; | |
423 | ||
fdfacf0a JM |
424 | enum { |
425 | IEEE80211_MFP_DISABLED, | |
426 | IEEE80211_MFP_OPTIONAL, | |
427 | IEEE80211_MFP_REQUIRED | |
428 | } mfp; /* management frame protection */ | |
429 | ||
dc41e4d4 EP |
430 | /* |
431 | * Bitmask of enabled u-apsd queues, | |
432 | * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association | |
433 | * to take effect. | |
434 | */ | |
435 | unsigned int uapsd_queues; | |
436 | ||
437 | /* | |
438 | * Maximum number of buffered frames AP can deliver during a | |
439 | * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. | |
440 | * Needs a new association to take effect. | |
441 | */ | |
442 | unsigned int uapsd_max_sp_len; | |
443 | ||
f0706e82 | 444 | int wmm_last_param_set; |
9bc383de JB |
445 | |
446 | u8 use_4addr; | |
17e4ec14 | 447 | |
67baf663 | 448 | s16 p2p_noa_index; |
488dd7b5 | 449 | |
17e4ec14 JM |
450 | /* Signal strength from the last Beacon frame in the current BSS. */ |
451 | int last_beacon_signal; | |
452 | ||
453 | /* | |
454 | * Weighted average of the signal strength from Beacon frames in the | |
455 | * current BSS. This is in units of 1/16 of the signal unit to maintain | |
456 | * accuracy and to speed up calculations, i.e., the value need to be | |
457 | * divided by 16 to get the actual value. | |
458 | */ | |
459 | int ave_beacon_signal; | |
460 | ||
391a200a JM |
461 | /* |
462 | * Number of Beacon frames used in ave_beacon_signal. This can be used | |
463 | * to avoid generating less reliable cqm events that would be based | |
464 | * only on couple of received frames. | |
465 | */ | |
466 | unsigned int count_beacon_signal; | |
467 | ||
17e4ec14 JM |
468 | /* |
469 | * Last Beacon frame signal strength average (ave_beacon_signal / 16) | |
470 | * that triggered a cqm event. 0 indicates that no event has been | |
471 | * generated for the current association. | |
472 | */ | |
473 | int last_cqm_event_signal; | |
615f7b9b MV |
474 | |
475 | /* | |
476 | * State variables for keeping track of RSSI of the AP currently | |
477 | * connected to and informing driver when RSSI has gone | |
478 | * below/above a certain threshold. | |
479 | */ | |
480 | int rssi_min_thold, rssi_max_thold; | |
481 | int last_ave_beacon_signal; | |
ef96a842 BG |
482 | |
483 | struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ | |
484 | struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ | |
dd5ecfea JB |
485 | struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ |
486 | struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ | |
f0706e82 JB |
487 | }; |
488 | ||
46900298 JB |
489 | struct ieee80211_if_ibss { |
490 | struct timer_list timer; | |
46900298 | 491 | |
7a17a33c JB |
492 | struct mutex mtx; |
493 | ||
af8cdcd8 | 494 | unsigned long last_scan_completed; |
5bb644a0 | 495 | |
fbd2c8dc TP |
496 | u32 basic_rates; |
497 | ||
af8cdcd8 JB |
498 | bool fixed_bssid; |
499 | bool fixed_channel; | |
fffd0934 | 500 | bool privacy; |
46900298 | 501 | |
267335d6 | 502 | bool control_port; |
6abe0563 | 503 | unsigned int auth_frame_registrations; |
267335d6 | 504 | |
4d196e4b | 505 | u8 bssid[ETH_ALEN] __aligned(2); |
af8cdcd8 JB |
506 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
507 | u8 ssid_len, ie_len; | |
508 | u8 *ie; | |
509 | struct ieee80211_channel *channel; | |
13c40c54 | 510 | enum nl80211_channel_type channel_type; |
46900298 JB |
511 | |
512 | unsigned long ibss_join_req; | |
af8cdcd8 | 513 | /* probe response/beacon for IBSS */ |
c3ffeab4 | 514 | struct beacon_data __rcu *presp; |
46900298 | 515 | |
8bf11d8d JB |
516 | spinlock_t incomplete_lock; |
517 | struct list_head incomplete_stations; | |
518 | ||
46900298 JB |
519 | enum { |
520 | IEEE80211_IBSS_MLME_SEARCH, | |
521 | IEEE80211_IBSS_MLME_JOINED, | |
522 | } state; | |
523 | }; | |
524 | ||
dbf498fb JC |
525 | /** |
526 | * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface | |
527 | * | |
528 | * these declarations define the interface, which enables | |
529 | * vendor-specific mesh synchronization | |
530 | * | |
531 | */ | |
532 | struct ieee802_11_elems; | |
533 | struct ieee80211_mesh_sync_ops { | |
534 | void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, | |
535 | u16 stype, | |
536 | struct ieee80211_mgmt *mgmt, | |
537 | struct ieee802_11_elems *elems, | |
538 | struct ieee80211_rx_status *rx_status); | |
539 | void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata); | |
540 | /* add other framework functions here */ | |
541 | }; | |
542 | ||
472dbc45 | 543 | struct ieee80211_if_mesh { |
472dbc45 JB |
544 | struct timer_list housekeeping_timer; |
545 | struct timer_list mesh_path_timer; | |
e304bfd3 | 546 | struct timer_list mesh_path_root_timer; |
472dbc45 | 547 | |
18889231 | 548 | unsigned long wrkq_flags; |
472dbc45 JB |
549 | |
550 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
551 | size_t mesh_id_len; | |
552 | /* Active Path Selection Protocol Identifier */ | |
3491707a | 553 | u8 mesh_pp_id; |
472dbc45 | 554 | /* Active Path Selection Metric Identifier */ |
3491707a | 555 | u8 mesh_pm_id; |
472dbc45 | 556 | /* Congestion Control Mode Identifier */ |
3491707a | 557 | u8 mesh_cc_id; |
9e03fdfd | 558 | /* Synchronization Protocol Identifier */ |
3491707a | 559 | u8 mesh_sp_id; |
9e03fdfd | 560 | /* Authentication Protocol Identifier */ |
3491707a | 561 | u8 mesh_auth_id; |
d19b3bf6 RP |
562 | /* Local mesh Sequence Number */ |
563 | u32 sn; | |
472dbc45 JB |
564 | /* Last used PREQ ID */ |
565 | u32 preq_id; | |
566 | atomic_t mpaths; | |
d19b3bf6 RP |
567 | /* Timestamp of last SN update */ |
568 | unsigned long last_sn_update; | |
dca7e943 TP |
569 | /* Time when it's ok to send next PERR */ |
570 | unsigned long next_perr; | |
571 | /* Timestamp of last PREQ sent */ | |
472dbc45 JB |
572 | unsigned long last_preq; |
573 | struct mesh_rmc *rmc; | |
574 | spinlock_t mesh_preq_queue_lock; | |
575 | struct mesh_preq_queue preq_queue; | |
576 | int preq_queue_len; | |
577 | struct mesh_stats mshstats; | |
578 | struct mesh_config mshcfg; | |
1258d976 | 579 | atomic_t estab_plinks; |
472dbc45 JB |
580 | u32 mesh_seqnum; |
581 | bool accepting_plinks; | |
5ee68e5b | 582 | int num_gates; |
2b5e1967 TP |
583 | struct beacon_data __rcu *beacon; |
584 | /* just protects beacon updates for now */ | |
585 | struct mutex mtx; | |
581a8b0f JC |
586 | const u8 *ie; |
587 | u8 ie_len; | |
b130e5ce JC |
588 | enum { |
589 | IEEE80211_MESH_SEC_NONE = 0x0, | |
590 | IEEE80211_MESH_SEC_AUTHED = 0x1, | |
591 | IEEE80211_MESH_SEC_SECURED = 0x2, | |
592 | } security; | |
a6dad6a2 | 593 | bool user_mpm; |
dbf498fb | 594 | /* Extensible Synchronization Framework */ |
8ba7acf3 | 595 | const struct ieee80211_mesh_sync_ops *sync_ops; |
dbf498fb JC |
596 | s64 sync_offset_clockdrift_max; |
597 | spinlock_t sync_offset_lock; | |
598 | bool adjusting_tbtt; | |
3f52b7e3 MP |
599 | /* mesh power save */ |
600 | enum nl80211_mesh_power_mode nonpeer_pm; | |
601 | int ps_peers_light_sleep; | |
602 | int ps_peers_deep_sleep; | |
603 | struct ps_data ps; | |
472dbc45 | 604 | }; |
902acc78 JB |
605 | |
606 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
607 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
608 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 609 | #else |
472dbc45 | 610 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
611 | do { } while (0) |
612 | #endif | |
f0706e82 | 613 | |
213cd118 JB |
614 | /** |
615 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
616 | * | |
617 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
618 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
213cd118 JB |
619 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
620 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
621 | * associated stations and deliver multicast frames both | |
622 | * back to wireless media and to the local net stack. | |
95acac61 | 623 | * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. |
7b7eab6f | 624 | * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver |
213cd118 JB |
625 | */ |
626 | enum ieee80211_sub_if_data_flags { | |
627 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
628 | IEEE80211_SDATA_PROMISC = BIT(1), | |
7986cf95 JB |
629 | IEEE80211_SDATA_OPERATING_GMODE = BIT(2), |
630 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), | |
95acac61 | 631 | IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), |
7b7eab6f | 632 | IEEE80211_SDATA_IN_DRIVER = BIT(5), |
213cd118 JB |
633 | }; |
634 | ||
34d4bc4d JB |
635 | /** |
636 | * enum ieee80211_sdata_state_bits - virtual interface state bits | |
637 | * @SDATA_STATE_RUNNING: virtual interface is up & running; this | |
638 | * mirrors netif_running() but is separate for interface type | |
639 | * change handling while the interface is up | |
5b714c6a JB |
640 | * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel |
641 | * mode, so queues are stopped | |
d6a83228 JB |
642 | * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due |
643 | * to offchannel, reset when offchannel returns | |
34d4bc4d JB |
644 | */ |
645 | enum ieee80211_sdata_state_bits { | |
646 | SDATA_STATE_RUNNING, | |
5b714c6a | 647 | SDATA_STATE_OFFCHANNEL, |
d6a83228 | 648 | SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, |
34d4bc4d JB |
649 | }; |
650 | ||
d01a1e65 MK |
651 | /** |
652 | * enum ieee80211_chanctx_mode - channel context configuration mode | |
653 | * | |
654 | * @IEEE80211_CHANCTX_SHARED: channel context may be used by | |
655 | * multiple interfaces | |
656 | * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used | |
657 | * only by a single interface. This can be used for example for | |
658 | * non-fixed channel IBSS. | |
659 | */ | |
660 | enum ieee80211_chanctx_mode { | |
661 | IEEE80211_CHANCTX_SHARED, | |
662 | IEEE80211_CHANCTX_EXCLUSIVE | |
663 | }; | |
664 | ||
665 | struct ieee80211_chanctx { | |
666 | struct list_head list; | |
667 | struct rcu_head rcu_head; | |
668 | ||
669 | enum ieee80211_chanctx_mode mode; | |
670 | int refcount; | |
8a61af65 | 671 | bool driver_present; |
d01a1e65 MK |
672 | |
673 | struct ieee80211_chanctx_conf conf; | |
674 | }; | |
675 | ||
f0706e82 JB |
676 | struct ieee80211_sub_if_data { |
677 | struct list_head list; | |
f0706e82 JB |
678 | |
679 | struct wireless_dev wdev; | |
680 | ||
11a843b7 JB |
681 | /* keys */ |
682 | struct list_head key_list; | |
683 | ||
3bff1865 YAP |
684 | /* count for keys needing tailroom space allocation */ |
685 | int crypto_tx_tailroom_needed_cnt; | |
8d1f7ecd JB |
686 | int crypto_tx_tailroom_pending_dec; |
687 | struct delayed_work dec_tailroom_needed_wk; | |
3bff1865 | 688 | |
f0706e82 JB |
689 | struct net_device *dev; |
690 | struct ieee80211_local *local; | |
691 | ||
13262ffd | 692 | unsigned int flags; |
7e9ed188 | 693 | |
34d4bc4d JB |
694 | unsigned long state; |
695 | ||
f0706e82 | 696 | int drop_unencrypted; |
f0706e82 | 697 | |
47846c9b JB |
698 | char name[IFNAMSIZ]; |
699 | ||
f0706e82 JB |
700 | /* Fragment table for host-based reassembly */ |
701 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
702 | unsigned int fragment_next; | |
703 | ||
b53be792 SW |
704 | /* TID bitmap for NoAck policy */ |
705 | u16 noack_map; | |
706 | ||
00e96dec YD |
707 | /* bit field of ACM bits (BIT(802.1D tag)) */ |
708 | u8 wmm_acm; | |
709 | ||
40b275b6 JB |
710 | struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; |
711 | struct ieee80211_key __rcu *default_unicast_key; | |
712 | struct ieee80211_key __rcu *default_multicast_key; | |
713 | struct ieee80211_key __rcu *default_mgmt_key; | |
f0706e82 | 714 | |
94778280 | 715 | u16 sequence_number; |
a621fa4d JB |
716 | __be16 control_port_protocol; |
717 | bool control_port_no_encrypt; | |
94778280 | 718 | |
54bcbc69 | 719 | struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; |
f6f3def3 | 720 | |
04ecd257 JB |
721 | /* used to reconfigure hardware SM PS */ |
722 | struct work_struct recalc_smps; | |
723 | ||
64592c8f | 724 | struct work_struct work; |
35f20c14 JB |
725 | struct sk_buff_head skb_queue; |
726 | ||
04ecd257 JB |
727 | u8 needed_rx_chains; |
728 | enum ieee80211_smps_mode smps_mode; | |
729 | ||
1ea6f9c0 JB |
730 | int user_power_level; /* in dBm */ |
731 | int ap_power_level; /* in dBm */ | |
732 | ||
164eb02d SW |
733 | bool radar_required; |
734 | struct delayed_work dfs_cac_timer_work; | |
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]; | |
2ffbe6d3 FF |
745 | |
746 | bool rc_has_mcs_mask[IEEE80211_NUM_BANDS]; | |
19468413 | 747 | u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; |
f0706e82 JB |
748 | |
749 | union { | |
750 | struct ieee80211_if_ap ap; | |
751 | struct ieee80211_if_wds wds; | |
752 | struct ieee80211_if_vlan vlan; | |
46900298 JB |
753 | struct ieee80211_if_managed mgd; |
754 | struct ieee80211_if_ibss ibss; | |
472dbc45 | 755 | struct ieee80211_if_mesh mesh; |
8cc9a739 | 756 | u32 mntr_flags; |
f0706e82 | 757 | } u; |
e9f207f0 | 758 | |
97f97b1f JB |
759 | spinlock_t cleanup_stations_lock; |
760 | struct list_head cleanup_stations; | |
761 | struct work_struct cleanup_stations_wk; | |
762 | ||
e9f207f0 | 763 | #ifdef CONFIG_MAC80211_DEBUGFS |
2b58b209 | 764 | struct { |
295bafb4 | 765 | struct dentry *subdir_stations; |
f7e0104c JB |
766 | struct dentry *default_unicast_key; |
767 | struct dentry *default_multicast_key; | |
3cfcf6ac | 768 | struct dentry *default_mgmt_key; |
7bcfaf2f | 769 | } debugfs; |
e9f207f0 | 770 | #endif |
529ba6e9 | 771 | |
32bfd35d JB |
772 | /* must be last, dynamically sized area in this! */ |
773 | struct ieee80211_vif vif; | |
f0706e82 JB |
774 | }; |
775 | ||
32bfd35d JB |
776 | static inline |
777 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
778 | { | |
779 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
780 | } | |
781 | ||
55de908a JB |
782 | static inline enum ieee80211_band |
783 | ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) | |
784 | { | |
785 | enum ieee80211_band band = IEEE80211_BAND_2GHZ; | |
786 | struct ieee80211_chanctx_conf *chanctx_conf; | |
787 | ||
788 | rcu_read_lock(); | |
789 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
790 | if (!WARN_ON(!chanctx_conf)) | |
4bf88530 | 791 | band = chanctx_conf->def.chan->band; |
55de908a JB |
792 | rcu_read_unlock(); |
793 | ||
794 | return band; | |
795 | } | |
796 | ||
c1475ca9 JB |
797 | enum sdata_queue_type { |
798 | IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, | |
799 | IEEE80211_SDATA_QUEUE_AGG_START = 1, | |
800 | IEEE80211_SDATA_QUEUE_AGG_STOP = 2, | |
801 | }; | |
802 | ||
f0706e82 JB |
803 | enum { |
804 | IEEE80211_RX_MSG = 1, | |
805 | IEEE80211_TX_STATUS_MSG = 2, | |
806 | }; | |
807 | ||
ce7c9111 KV |
808 | enum queue_stop_reason { |
809 | IEEE80211_QUEUE_STOP_REASON_DRIVER, | |
520eb820 | 810 | IEEE80211_QUEUE_STOP_REASON_PS, |
96f5e66e JB |
811 | IEEE80211_QUEUE_STOP_REASON_CSA, |
812 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, | |
25420604 | 813 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
8f77f384 | 814 | IEEE80211_QUEUE_STOP_REASON_SKB_ADD, |
6c17b77b | 815 | IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, |
445ea4e8 | 816 | IEEE80211_QUEUE_STOP_REASON_FLUSH, |
ce7c9111 KV |
817 | }; |
818 | ||
65a6538a | 819 | #ifdef CONFIG_MAC80211_LEDS |
e1e54068 JB |
820 | struct tpt_led_trigger { |
821 | struct led_trigger trig; | |
822 | char name[32]; | |
823 | const struct ieee80211_tpt_blink *blink_table; | |
824 | unsigned int blink_table_len; | |
825 | struct timer_list timer; | |
e1e54068 JB |
826 | unsigned long prev_traffic; |
827 | unsigned long tx_bytes, rx_bytes; | |
67408c8c JB |
828 | unsigned int active, want; |
829 | bool running; | |
e1e54068 | 830 | }; |
65a6538a | 831 | #endif |
e1e54068 | 832 | |
142b9f50 HS |
833 | /** |
834 | * mac80211 scan flags - currently active scan mode | |
835 | * | |
836 | * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as | |
837 | * well be on the operating channel | |
838 | * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to | |
839 | * determine if we are on the operating channel or not | |
8a690674 BG |
840 | * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating |
841 | * channel. This should not interrupt normal traffic. | |
8789d459 JB |
842 | * @SCAN_COMPLETED: Set for our scan work function when the driver reported |
843 | * that the scan completed. | |
844 | * @SCAN_ABORTED: Set for our scan work function when the driver reported | |
845 | * a scan complete for an aborted scan. | |
715a606d EG |
846 | * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being |
847 | * cancelled. | |
142b9f50 | 848 | */ |
fbe9c429 HS |
849 | enum { |
850 | SCAN_SW_SCANNING, | |
142b9f50 | 851 | SCAN_HW_SCANNING, |
8a690674 | 852 | SCAN_ONCHANNEL_SCANNING, |
8789d459 JB |
853 | SCAN_COMPLETED, |
854 | SCAN_ABORTED, | |
715a606d | 855 | SCAN_HW_CANCELLED, |
142b9f50 HS |
856 | }; |
857 | ||
858 | /** | |
859 | * enum mac80211_scan_state - scan state machine states | |
860 | * | |
861 | * @SCAN_DECISION: Main entry point to the scan state machine, this state | |
862 | * determines if we should keep on scanning or switch back to the | |
863 | * operating channel | |
864 | * @SCAN_SET_CHANNEL: Set the next channel to be scanned | |
865 | * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses | |
07ef03ee JB |
866 | * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to |
867 | * send out data | |
868 | * @SCAN_RESUME: Resume the scan and scan the next channel | |
cd2bb512 | 869 | * @SCAN_ABORT: Abort the scan and go back to operating channel |
142b9f50 HS |
870 | */ |
871 | enum mac80211_scan_state { | |
872 | SCAN_DECISION, | |
873 | SCAN_SET_CHANNEL, | |
874 | SCAN_SEND_PROBE, | |
07ef03ee JB |
875 | SCAN_SUSPEND, |
876 | SCAN_RESUME, | |
cd2bb512 | 877 | SCAN_ABORT, |
fbe9c429 HS |
878 | }; |
879 | ||
f0706e82 JB |
880 | struct ieee80211_local { |
881 | /* embed the driver visible part. | |
882 | * don't cast (use the static inlines below), but we keep | |
883 | * it first anyway so they become a no-op */ | |
884 | struct ieee80211_hw hw; | |
885 | ||
886 | const struct ieee80211_ops *ops; | |
887 | ||
42935eca LR |
888 | /* |
889 | * private workqueue to mac80211. mac80211 makes this accessible | |
890 | * via ieee80211_queue_work() | |
891 | */ | |
892 | struct workqueue_struct *workqueue; | |
893 | ||
e4e72fb4 | 894 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
96f5e66e | 895 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
ce7c9111 | 896 | spinlock_t queue_stop_reason_lock; |
96f5e66e | 897 | |
f0706e82 | 898 | int open_count; |
3d30d949 | 899 | int monitors, cooked_mntrs; |
8cc9a739 | 900 | /* number of interfaces with corresponding FIF_ flags */ |
7be5086d JB |
901 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, |
902 | fif_probe_req; | |
903 | int probe_req_reg; | |
4150c572 | 904 | unsigned int filter_flags; /* FIF_* */ |
3b8d81e0 | 905 | |
3ffc2a90 JB |
906 | bool wiphy_ciphers_allocated; |
907 | ||
fe57d9f5 JB |
908 | bool use_chanctx; |
909 | ||
3b8d81e0 JB |
910 | /* protects the aggregated multicast list and filter calls */ |
911 | spinlock_t filter_lock; | |
912 | ||
3ac64bee JB |
913 | /* used for uploading changed mc list */ |
914 | struct work_struct reconfig_filter; | |
915 | ||
3b8d81e0 | 916 | /* aggregated multicast list */ |
22bedad3 | 917 | struct netdev_hw_addr_list mc_list; |
3b8d81e0 | 918 | |
d0709a65 | 919 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
5bb644a0 JB |
920 | |
921 | /* | |
922 | * suspended is true if we finished all the suspend _and_ we have | |
923 | * not yet come up from resume. This is to be used by mac80211 | |
924 | * to ensure driver sanity during suspend and mac80211's own | |
925 | * sanity. It can eventually be used for WoW as well. | |
926 | */ | |
927 | bool suspended; | |
928 | ||
ceb99fe0 JB |
929 | /* |
930 | * Resuming is true while suspended, but when we're reprogramming the | |
931 | * hardware -- at that time it's allowed to use ieee80211_queue_work() | |
932 | * again even though some other parts of the stack are still suspended | |
933 | * and we still drop received frames to avoid waking the stack. | |
934 | */ | |
935 | bool resuming; | |
936 | ||
5bb644a0 JB |
937 | /* |
938 | * quiescing is true during the suspend process _only_ to | |
939 | * ease timer cancelling etc. | |
940 | */ | |
941 | bool quiescing; | |
942 | ||
ea77f12f JB |
943 | /* device is started */ |
944 | bool started; | |
945 | ||
04800ada AN |
946 | /* device is during a HW reconfig */ |
947 | bool in_reconfig; | |
948 | ||
eecc4800 JB |
949 | /* wowlan is enabled -- don't reconfig on resume */ |
950 | bool wowlan; | |
951 | ||
164eb02d SW |
952 | /* DFS/radar detection is enabled */ |
953 | bool radar_detect_enabled; | |
954 | struct work_struct radar_detected_work; | |
955 | ||
04ecd257 JB |
956 | /* number of RX chains the hardware has */ |
957 | u8 rx_chains; | |
958 | ||
b306f453 | 959 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 960 | |
f0706e82 JB |
961 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
962 | * added to skb_queue will be processed, but frames in | |
963 | * skb_queue_unreliable may be dropped if the total length of these | |
964 | * queues increases over the limit. */ | |
965 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
966 | struct tasklet_struct tasklet; | |
967 | struct sk_buff_head skb_queue; | |
968 | struct sk_buff_head skb_queue_unreliable; | |
969 | ||
f9e124fb | 970 | spinlock_t rx_path_lock; |
24a8fdad | 971 | |
d0709a65 JB |
972 | /* Station data */ |
973 | /* | |
4d33960b JB |
974 | * The mutex only protects the list, hash table and |
975 | * counter, reads are done with RCU. | |
d0709a65 | 976 | */ |
34e89507 | 977 | struct mutex sta_mtx; |
4d33960b | 978 | spinlock_t tim_lock; |
d0709a65 | 979 | unsigned long num_sta; |
4d33960b | 980 | struct list_head sta_list; |
40b275b6 | 981 | struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; |
f0706e82 | 982 | struct timer_list sta_cleanup; |
f5ea9120 | 983 | int sta_generation; |
f0706e82 | 984 | |
2a577d98 | 985 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
986 | struct tasklet_struct tx_pending_tasklet; |
987 | ||
a6a67db2 | 988 | atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; |
cd8ffc80 | 989 | |
53918994 JB |
990 | /* number of interfaces with corresponding IFF_ flags */ |
991 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
992 | |
993 | struct rate_control_ref *rate_ctrl; | |
994 | ||
5f9f1812 FF |
995 | struct crypto_cipher *wep_tx_tfm; |
996 | struct crypto_cipher *wep_rx_tfm; | |
f0706e82 | 997 | u32 wep_iv; |
f0706e82 | 998 | |
c771c9d8 | 999 | /* see iface.c */ |
79010420 | 1000 | struct list_head interfaces; |
c771c9d8 | 1001 | struct mutex iflist_mtx; |
79010420 | 1002 | |
b16bd15c | 1003 | /* |
ad0e2b5a | 1004 | * Key mutex, protects sdata's key_list and sta_info's |
b16bd15c JB |
1005 | * key pointers (write access, they're RCU.) |
1006 | */ | |
ad0e2b5a | 1007 | struct mutex key_mtx; |
b16bd15c | 1008 | |
a1699b75 JB |
1009 | /* mutex for scan and work locking */ |
1010 | struct mutex mtx; | |
b16bd15c | 1011 | |
c2b13452 | 1012 | /* Scanning and BSS list */ |
fbe9c429 | 1013 | unsigned long scanning; |
2a519311 | 1014 | struct cfg80211_ssid scan_ssid; |
5ba63533 | 1015 | struct cfg80211_scan_request *int_scan_req; |
4d36ec58 | 1016 | struct cfg80211_scan_request *scan_req, *hw_scan_req; |
2a519311 | 1017 | struct ieee80211_channel *scan_channel; |
4d36ec58 | 1018 | enum ieee80211_band hw_scan_band; |
f0706e82 | 1019 | int scan_channel_idx; |
de95a54b | 1020 | int scan_ies_len; |
c604b9f2 | 1021 | int hw_scan_ies_bufsize; |
8318d78a | 1022 | |
85a9994a | 1023 | struct work_struct sched_scan_stopped_work; |
5260a5b2 | 1024 | struct ieee80211_sub_if_data __rcu *sched_scan_sdata; |
79f460ca | 1025 | |
df13cce5 | 1026 | unsigned long leave_oper_channel_time; |
977923b0 | 1027 | enum mac80211_scan_state next_scan_state; |
f0706e82 | 1028 | struct delayed_work scan_work; |
e2fd5dbc | 1029 | struct ieee80211_sub_if_data __rcu *scan_sdata; |
85220d71 | 1030 | struct cfg80211_chan_def csa_chandef; |
55de908a | 1031 | /* For backward compatibility only -- do not use */ |
675a0b04 | 1032 | struct cfg80211_chan_def _oper_chandef; |
f0706e82 | 1033 | |
b8bc4b0a JB |
1034 | /* Temporary remain-on-channel for off-channel operations */ |
1035 | struct ieee80211_channel *tmp_channel; | |
b8bc4b0a | 1036 | |
d01a1e65 MK |
1037 | /* channel contexts */ |
1038 | struct list_head chanctx_list; | |
1039 | struct mutex chanctx_mtx; | |
1040 | ||
f0706e82 JB |
1041 | /* SNMP counters */ |
1042 | /* dot11CountersTable */ | |
1043 | u32 dot11TransmittedFragmentCount; | |
1044 | u32 dot11MulticastTransmittedFrameCount; | |
1045 | u32 dot11FailedCount; | |
1046 | u32 dot11RetryCount; | |
1047 | u32 dot11MultipleRetryCount; | |
1048 | u32 dot11FrameDuplicateCount; | |
1049 | u32 dot11ReceivedFragmentCount; | |
1050 | u32 dot11MulticastReceivedFrameCount; | |
1051 | u32 dot11TransmittedFrameCount; | |
f0706e82 JB |
1052 | |
1053 | #ifdef CONFIG_MAC80211_LEDS | |
1054 | int tx_led_counter, rx_led_counter; | |
cdcb006f | 1055 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
e1e54068 | 1056 | struct tpt_led_trigger *tpt_led_trigger; |
cdcb006f ID |
1057 | char tx_led_name[32], rx_led_name[32], |
1058 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
1059 | #endif |
1060 | ||
f0706e82 JB |
1061 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
1062 | /* TX/RX handler statistics */ | |
1063 | unsigned int tx_handlers_drop; | |
1064 | unsigned int tx_handlers_queued; | |
1065 | unsigned int tx_handlers_drop_unencrypted; | |
1066 | unsigned int tx_handlers_drop_fragment; | |
1067 | unsigned int tx_handlers_drop_wep; | |
1068 | unsigned int tx_handlers_drop_not_assoc; | |
1069 | unsigned int tx_handlers_drop_unauth_port; | |
1070 | unsigned int rx_handlers_drop; | |
1071 | unsigned int rx_handlers_queued; | |
1072 | unsigned int rx_handlers_drop_nullfunc; | |
1073 | unsigned int rx_handlers_drop_defrag; | |
1074 | unsigned int rx_handlers_drop_short; | |
f0706e82 JB |
1075 | unsigned int tx_expand_skb_head; |
1076 | unsigned int tx_expand_skb_head_cloned; | |
1077 | unsigned int rx_expand_skb_head; | |
1078 | unsigned int rx_expand_skb_head2; | |
1079 | unsigned int rx_handlers_fragments; | |
1080 | unsigned int tx_status_drop; | |
f0706e82 JB |
1081 | #define I802_DEBUG_INC(c) (c)++ |
1082 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
1083 | #define I802_DEBUG_INC(c) do { } while (0) | |
1084 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
1085 | ||
1086 | ||
f0706e82 JB |
1087 | int total_ps_buffered; /* total number of all buffered unicast and |
1088 | * multicast packets for power saving stations | |
1089 | */ | |
520eb820 | 1090 | |
572e0012 | 1091 | bool pspolling; |
b203ffc3 | 1092 | bool offchannel_ps_enabled; |
965bedad JB |
1093 | /* |
1094 | * PS can only be enabled when we have exactly one managed | |
1095 | * interface (and monitors) in PS, this then points there. | |
1096 | */ | |
1097 | struct ieee80211_sub_if_data *ps_sdata; | |
520eb820 KV |
1098 | struct work_struct dynamic_ps_enable_work; |
1099 | struct work_struct dynamic_ps_disable_work; | |
1100 | struct timer_list dynamic_ps_timer; | |
10f644a4 | 1101 | struct notifier_block network_latency_notifier; |
2b2c009e | 1102 | struct notifier_block ifa_notifier; |
a65240c1 | 1103 | struct notifier_block ifa6_notifier; |
f0706e82 | 1104 | |
ff616381 JO |
1105 | /* |
1106 | * The dynamic ps timeout configured from user space via WEXT - | |
1107 | * this will override whatever chosen by mac80211 internally. | |
1108 | */ | |
1109 | int dynamic_ps_forced_timeout; | |
1110 | ||
1ea6f9c0 | 1111 | int user_power_level; /* in dBm, for all interfaces */ |
2bf30fab | 1112 | |
0f78231b JB |
1113 | enum ieee80211_smps_mode smps_mode; |
1114 | ||
f2753ddb JB |
1115 | struct work_struct restart_work; |
1116 | ||
e9f207f0 JB |
1117 | #ifdef CONFIG_MAC80211_DEBUGFS |
1118 | struct local_debugfsdentries { | |
4b7679a5 | 1119 | struct dentry *rcdir; |
e9f207f0 JB |
1120 | struct dentry *keys; |
1121 | } debugfs; | |
1122 | #endif | |
4e6cbfd0 | 1123 | |
2eb278e0 JB |
1124 | /* |
1125 | * Remain-on-channel support | |
1126 | */ | |
1127 | struct list_head roc_list; | |
21f83589 | 1128 | struct work_struct hw_roc_start, hw_roc_done; |
2eb278e0 | 1129 | unsigned long hw_roc_start_time; |
50febf6a | 1130 | u64 roc_cookie_counter; |
21f83589 | 1131 | |
a729cff8 JB |
1132 | struct idr ack_status_frames; |
1133 | spinlock_t ack_status_lock; | |
1134 | ||
f142c6b9 JB |
1135 | struct ieee80211_sub_if_data __rcu *p2p_sdata; |
1136 | ||
4b6f1dd6 JB |
1137 | /* virtual monitor interface */ |
1138 | struct ieee80211_sub_if_data __rcu *monitor_sdata; | |
4bf88530 | 1139 | struct cfg80211_chan_def monitor_chandef; |
f0706e82 JB |
1140 | }; |
1141 | ||
3e122be0 JB |
1142 | static inline struct ieee80211_sub_if_data * |
1143 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
1144 | { | |
3e122be0 JB |
1145 | return netdev_priv(dev); |
1146 | } | |
1147 | ||
71bbc994 JB |
1148 | static inline struct ieee80211_sub_if_data * |
1149 | IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) | |
1150 | { | |
1151 | return container_of(wdev, struct ieee80211_sub_if_data, wdev); | |
1152 | } | |
1153 | ||
c1475ca9 | 1154 | /* this struct represents 802.11n's RA/TID combination */ |
eadc8d9e RR |
1155 | struct ieee80211_ra_tid { |
1156 | u8 ra[ETH_ALEN]; | |
1157 | u16 tid; | |
1158 | }; | |
1159 | ||
dd76986b JB |
1160 | /* Parsed Information Elements */ |
1161 | struct ieee802_11_elems { | |
4a3cb702 | 1162 | const u8 *ie_start; |
dd76986b JB |
1163 | size_t total_len; |
1164 | ||
1165 | /* pointers to IEs */ | |
4a3cb702 JB |
1166 | const u8 *ssid; |
1167 | const u8 *supp_rates; | |
4a3cb702 | 1168 | const u8 *ds_params; |
4a3cb702 | 1169 | const struct ieee80211_tim_ie *tim; |
4a3cb702 JB |
1170 | const u8 *challenge; |
1171 | const u8 *rsn; | |
1172 | const u8 *erp_info; | |
1173 | const u8 *ext_supp_rates; | |
1174 | const u8 *wmm_info; | |
1175 | const u8 *wmm_param; | |
1176 | const struct ieee80211_ht_cap *ht_cap_elem; | |
1177 | const struct ieee80211_ht_operation *ht_operation; | |
1178 | const struct ieee80211_vht_cap *vht_cap_elem; | |
1179 | const struct ieee80211_vht_operation *vht_operation; | |
1180 | const struct ieee80211_meshconf_ie *mesh_config; | |
1181 | const u8 *mesh_id; | |
1182 | const u8 *peering; | |
1183 | const __le16 *awake_window; | |
1184 | const u8 *preq; | |
1185 | const u8 *prep; | |
1186 | const u8 *perr; | |
1187 | const struct ieee80211_rann_ie *rann; | |
1188 | const struct ieee80211_channel_sw_ie *ch_switch_ie; | |
b4f286a1 | 1189 | const struct ieee80211_ext_chansw_ie *ext_chansw_ie; |
b2e506bf | 1190 | const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie; |
4a3cb702 JB |
1191 | const u8 *country_elem; |
1192 | const u8 *pwr_constr_elem; | |
79ba1d89 | 1193 | const struct ieee80211_timeout_interval_ie *timeout_int; |
4a3cb702 | 1194 | const u8 *opmode_notif; |
85220d71 | 1195 | const struct ieee80211_sec_chan_offs_ie *sec_chan_offs; |
dd76986b JB |
1196 | |
1197 | /* length of them, respectively */ | |
1198 | u8 ssid_len; | |
1199 | u8 supp_rates_len; | |
dd76986b | 1200 | u8 tim_len; |
dd76986b | 1201 | u8 challenge_len; |
dd76986b | 1202 | u8 rsn_len; |
dd76986b JB |
1203 | u8 ext_supp_rates_len; |
1204 | u8 wmm_info_len; | |
1205 | u8 wmm_param_len; | |
1206 | u8 mesh_id_len; | |
1207 | u8 peering_len; | |
1208 | u8 preq_len; | |
1209 | u8 prep_len; | |
1210 | u8 perr_len; | |
dd76986b | 1211 | u8 country_elem_len; |
fcff4f10 PS |
1212 | |
1213 | /* whether a parse error occurred while retrieving these elements */ | |
1214 | bool parse_error; | |
dd76986b JB |
1215 | }; |
1216 | ||
f0706e82 JB |
1217 | static inline struct ieee80211_local *hw_to_local( |
1218 | struct ieee80211_hw *hw) | |
1219 | { | |
1220 | return container_of(hw, struct ieee80211_local, hw); | |
1221 | } | |
1222 | ||
f0706e82 | 1223 | |
571ecf67 JB |
1224 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
1225 | { | |
b203ca39 | 1226 | return ether_addr_equal(raddr, addr) || |
571ecf67 JB |
1227 | is_broadcast_ether_addr(raddr); |
1228 | } | |
1229 | ||
f4bda337 TP |
1230 | static inline bool |
1231 | ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) | |
1232 | { | |
1233 | WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && | |
1234 | status->flag & RX_FLAG_MACTIME_END); | |
1235 | return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); | |
1236 | } | |
571ecf67 | 1237 | |
f4bda337 TP |
1238 | u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, |
1239 | struct ieee80211_rx_status *status, | |
1240 | unsigned int mpdu_len, | |
1241 | unsigned int mpdu_offset); | |
e8975581 | 1242 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
5cf121c3 | 1243 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
9c6bd790 JB |
1244 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
1245 | u32 changed); | |
0d143fe1 | 1246 | void ieee80211_configure_filter(struct ieee80211_local *local); |
46900298 | 1247 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
f0706e82 | 1248 | |
46900298 | 1249 | /* STA code */ |
9c6bd790 | 1250 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
77fdaa12 JB |
1251 | int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, |
1252 | struct cfg80211_auth_request *req); | |
1253 | int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, | |
1254 | struct cfg80211_assoc_request *req); | |
1255 | int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, | |
63c9c5e7 | 1256 | struct cfg80211_deauth_request *req); |
77fdaa12 | 1257 | int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, |
63c9c5e7 | 1258 | struct cfg80211_disassoc_request *req); |
572e0012 KV |
1259 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
1260 | struct ieee80211_sub_if_data *sdata); | |
10f644a4 | 1261 | void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); |
ab095877 | 1262 | void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); |
10f644a4 JB |
1263 | int ieee80211_max_network_latency(struct notifier_block *nb, |
1264 | unsigned long data, void *dummy); | |
2b2c009e | 1265 | int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); |
1fa57d01 JB |
1266 | void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); |
1267 | void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1268 | struct sk_buff *skb); | |
d3a910a8 | 1269 | void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); |
be099e82 | 1270 | void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); |
afa762f6 | 1271 | void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); |
1672c0e3 JB |
1272 | void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, |
1273 | __le16 fc, bool acked); | |
ef55c176 | 1274 | void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata); |
b8360ab8 | 1275 | void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); |
9c6bd790 | 1276 | |
46900298 | 1277 | /* IBSS code */ |
46900298 JB |
1278 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); |
1279 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
8bf11d8d JB |
1280 | void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, |
1281 | const u8 *bssid, const u8 *addr, u32 supp_rates); | |
af8cdcd8 JB |
1282 | int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, |
1283 | struct cfg80211_ibss_params *params); | |
1284 | int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); | |
1fa57d01 JB |
1285 | void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); |
1286 | void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1287 | struct sk_buff *skb); | |
1288 | ||
1289 | /* mesh code */ | |
1290 | void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); | |
1291 | void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1292 | struct sk_buff *skb); | |
46900298 | 1293 | |
9c6bd790 | 1294 | /* scan/BSS handling */ |
46900298 | 1295 | void ieee80211_scan_work(struct work_struct *work); |
34bcf715 SG |
1296 | int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, |
1297 | const u8 *ssid, u8 ssid_len, | |
1298 | struct ieee80211_channel *chan); | |
c2b13452 | 1299 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
2a519311 | 1300 | struct cfg80211_scan_request *req); |
5bb644a0 | 1301 | void ieee80211_scan_cancel(struct ieee80211_local *local); |
133d40f9 | 1302 | void ieee80211_run_deferred_scan(struct ieee80211_local *local); |
d48b2968 | 1303 | void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); |
9c6bd790 | 1304 | |
0a51b27e | 1305 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
c2b13452 | 1306 | struct ieee80211_bss * |
98c8fccf JB |
1307 | ieee80211_bss_info_update(struct ieee80211_local *local, |
1308 | struct ieee80211_rx_status *rx_status, | |
1309 | struct ieee80211_mgmt *mgmt, | |
1310 | size_t len, | |
1311 | struct ieee802_11_elems *elems, | |
d45c4172 | 1312 | struct ieee80211_channel *channel); |
98c8fccf | 1313 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 1314 | struct ieee80211_bss *bss); |
ee385855 | 1315 | |
79f460ca LC |
1316 | /* scheduled scan handling */ |
1317 | int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, | |
1318 | struct cfg80211_sched_scan_request *req); | |
85a9994a LC |
1319 | int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); |
1320 | void ieee80211_sched_scan_stopped_work(struct work_struct *work); | |
79f460ca | 1321 | |
b203ffc3 | 1322 | /* off-channel helpers */ |
aacde9ee SG |
1323 | void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); |
1324 | void ieee80211_offchannel_return(struct ieee80211_local *local); | |
2eb278e0 JB |
1325 | void ieee80211_roc_setup(struct ieee80211_local *local); |
1326 | void ieee80211_start_next_roc(struct ieee80211_local *local); | |
c8f994ee JB |
1327 | void ieee80211_roc_purge(struct ieee80211_local *local, |
1328 | struct ieee80211_sub_if_data *sdata); | |
3fbd45ca | 1329 | void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free); |
2eb278e0 JB |
1330 | void ieee80211_sw_roc_work(struct work_struct *work); |
1331 | void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); | |
b203ffc3 | 1332 | |
3e122be0 | 1333 | /* interface handling */ |
47846c9b JB |
1334 | int ieee80211_iface_init(void); |
1335 | void ieee80211_iface_exit(void); | |
3e122be0 | 1336 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
84efbb84 | 1337 | struct wireless_dev **new_wdev, enum nl80211_iftype type, |
ee385855 | 1338 | struct vif_params *params); |
f3947e2d | 1339 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
05c914fe | 1340 | enum nl80211_iftype type); |
f698d856 | 1341 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 1342 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
382a103b | 1343 | u32 ieee80211_idle_off(struct ieee80211_local *local); |
5cff20e6 | 1344 | void ieee80211_recalc_idle(struct ieee80211_local *local); |
85416a4f CL |
1345 | void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, |
1346 | const int offset); | |
f142c6b9 JB |
1347 | int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); |
1348 | void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); | |
3c3e21e7 JB |
1349 | int ieee80211_add_virtual_monitor(struct ieee80211_local *local); |
1350 | void ieee80211_del_virtual_monitor(struct ieee80211_local *local); | |
f0706e82 | 1351 | |
1ea6f9c0 JB |
1352 | bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); |
1353 | void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); | |
1354 | ||
9607e6b6 JB |
1355 | static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) |
1356 | { | |
34d4bc4d | 1357 | return test_bit(SDATA_STATE_RUNNING, &sdata->state); |
9607e6b6 JB |
1358 | } |
1359 | ||
e2ebc74d | 1360 | /* tx handling */ |
e2ebc74d JB |
1361 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
1362 | void ieee80211_tx_pending(unsigned long data); | |
d0cf9c0d SH |
1363 | netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, |
1364 | struct net_device *dev); | |
1365 | netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, | |
1366 | struct net_device *dev); | |
1f98ab7f FF |
1367 | void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, |
1368 | struct sk_buff_head *skbs); | |
e2ebc74d | 1369 | |
de1ede7a | 1370 | /* HT */ |
ef96a842 BG |
1371 | void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, |
1372 | struct ieee80211_sta_ht_cap *ht_cap); | |
e1a0c6b3 | 1373 | bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, |
ef96a842 | 1374 | struct ieee80211_supported_band *sband, |
4a3cb702 | 1375 | const struct ieee80211_ht_cap *ht_cap_ie, |
e1a0c6b3 | 1376 | struct sta_info *sta); |
b8695a8f JB |
1377 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
1378 | const u8 *da, u16 tid, | |
1379 | u16 initiator, u16 reason_code); | |
0f78231b JB |
1380 | int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, |
1381 | enum ieee80211_smps_mode smps, const u8 *da, | |
1382 | const u8 *bssid); | |
d1f5b7a3 | 1383 | void ieee80211_request_smps_work(struct work_struct *work); |
de1ede7a | 1384 | |
7c3b1dd8 | 1385 | void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 | 1386 | u16 initiator, u16 reason, bool stop); |
849b7967 | 1387 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 | 1388 | u16 initiator, u16 reason, bool stop); |
c82c4a80 JB |
1389 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, |
1390 | enum ieee80211_agg_stop_reason reason); | |
de1ede7a JB |
1391 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
1392 | struct sta_info *sta, | |
1393 | struct ieee80211_mgmt *mgmt, size_t len); | |
1394 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
1395 | struct sta_info *sta, | |
1396 | struct ieee80211_mgmt *mgmt, | |
1397 | size_t len); | |
1398 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
1399 | struct sta_info *sta, | |
1400 | struct ieee80211_mgmt *mgmt, | |
1401 | size_t len); | |
1402 | ||
849b7967 | 1403 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
c82c4a80 | 1404 | enum ieee80211_agg_stop_reason reason); |
67c282c0 | 1405 | int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
c82c4a80 | 1406 | enum ieee80211_agg_stop_reason reason); |
5d22c89b JB |
1407 | void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); |
1408 | void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); | |
67c282c0 JB |
1409 | void ieee80211_ba_session_work(struct work_struct *work); |
1410 | void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); | |
2bff8ebf | 1411 | void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); |
849b7967 | 1412 | |
04ecd257 JB |
1413 | u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); |
1414 | ||
818255ea | 1415 | /* VHT */ |
4a3cb702 JB |
1416 | void |
1417 | ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, | |
1418 | struct ieee80211_supported_band *sband, | |
1419 | const struct ieee80211_vht_cap *vht_cap_ie, | |
1420 | struct sta_info *sta); | |
e1a0c6b3 | 1421 | enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); |
8921d04e | 1422 | void ieee80211_sta_set_rx_nss(struct sta_info *sta); |
0af83d3d JB |
1423 | void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, |
1424 | struct sta_info *sta, u8 opmode, | |
bee7f586 | 1425 | enum ieee80211_band band, bool nss_only); |
dd5ecfea JB |
1426 | void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, |
1427 | struct ieee80211_sta_vht_cap *vht_cap); | |
4a34215e | 1428 | |
39192c0b JB |
1429 | /* Spectrum management */ |
1430 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
1431 | struct ieee80211_mgmt *mgmt, | |
1432 | size_t len); | |
1433 | ||
f2753ddb JB |
1434 | /* Suspend/resume and hw reconfiguration */ |
1435 | int ieee80211_reconfig(struct ieee80211_local *local); | |
84f6a01c | 1436 | void ieee80211_stop_device(struct ieee80211_local *local); |
f2753ddb | 1437 | |
eecc4800 JB |
1438 | int __ieee80211_suspend(struct ieee80211_hw *hw, |
1439 | struct cfg80211_wowlan *wowlan); | |
f2753ddb JB |
1440 | |
1441 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) | |
1442 | { | |
85f72bc8 JL |
1443 | struct ieee80211_local *local = hw_to_local(hw); |
1444 | ||
1445 | WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), | |
1446 | "%s: resume with hardware scan still in progress\n", | |
1447 | wiphy_name(hw->wiphy)); | |
1448 | ||
f2753ddb JB |
1449 | return ieee80211_reconfig(hw_to_local(hw)); |
1450 | } | |
665af4fc | 1451 | |
c2d1560a JB |
1452 | /* utility functions/constants */ |
1453 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
71364716 | 1454 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
05c914fe | 1455 | enum nl80211_iftype type); |
4ee73f33 | 1456 | int ieee80211_frame_duration(enum ieee80211_band band, size_t len, |
c2d1560a | 1457 | int rate, int erp, int short_preamble); |
f698d856 | 1458 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
e6d6e342 JB |
1459 | struct ieee80211_hdr *hdr, const u8 *tsc, |
1460 | gfp_t gfp); | |
3abead59 JB |
1461 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, |
1462 | bool bss_notify); | |
55de908a JB |
1463 | void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
1464 | enum ieee80211_band band); | |
1465 | ||
1466 | void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, | |
1467 | struct sk_buff *skb, int tid, | |
1468 | enum ieee80211_band band); | |
1469 | ||
1470 | static inline void | |
1471 | ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, | |
1472 | struct sk_buff *skb, int tid, | |
1473 | enum ieee80211_band band) | |
1474 | { | |
1475 | rcu_read_lock(); | |
1476 | __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); | |
1477 | rcu_read_unlock(); | |
1478 | } | |
cf6bb79a | 1479 | |
55de908a JB |
1480 | static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, |
1481 | struct sk_buff *skb, int tid) | |
1482 | { | |
1483 | struct ieee80211_chanctx_conf *chanctx_conf; | |
1484 | ||
1485 | rcu_read_lock(); | |
1486 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
1487 | if (WARN_ON(!chanctx_conf)) { | |
1488 | rcu_read_unlock(); | |
1489 | kfree_skb(skb); | |
1490 | return; | |
1491 | } | |
1492 | ||
1493 | __ieee80211_tx_skb_tid_band(sdata, skb, tid, | |
4bf88530 | 1494 | chanctx_conf->def.chan->band); |
55de908a JB |
1495 | rcu_read_unlock(); |
1496 | } | |
1497 | ||
1498 | static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, | |
cf6bb79a HS |
1499 | struct sk_buff *skb) |
1500 | { | |
1501 | /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ | |
1502 | ieee80211_tx_skb_tid(sdata, skb, 7); | |
1503 | } | |
1504 | ||
35d865af | 1505 | u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, |
d91f36db JB |
1506 | struct ieee802_11_elems *elems, |
1507 | u64 filter, u32 crc); | |
35d865af JB |
1508 | static inline void ieee802_11_parse_elems(const u8 *start, size_t len, |
1509 | bool action, | |
ddc4db2e JB |
1510 | struct ieee802_11_elems *elems) |
1511 | { | |
b2e506bf | 1512 | ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0); |
ddc4db2e JB |
1513 | } |
1514 | ||
881d948c | 1515 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
96dd22ac | 1516 | enum ieee80211_band band); |
f0706e82 | 1517 | |
520eb820 KV |
1518 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
1519 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); | |
1520 | void ieee80211_dynamic_ps_timer(unsigned long data); | |
a97b77b9 VN |
1521 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
1522 | struct ieee80211_sub_if_data *sdata, | |
1523 | int powersave); | |
3cf335d5 KV |
1524 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
1525 | struct ieee80211_hdr *hdr); | |
4e5ff376 | 1526 | void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, |
04ac3c0e | 1527 | struct ieee80211_hdr *hdr, bool ack); |
520eb820 | 1528 | |
ce7c9111 | 1529 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
445ea4e8 | 1530 | unsigned long queues, |
ce7c9111 KV |
1531 | enum queue_stop_reason reason); |
1532 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, | |
445ea4e8 | 1533 | unsigned long queues, |
ce7c9111 | 1534 | enum queue_stop_reason reason); |
96f5e66e JB |
1535 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
1536 | enum queue_stop_reason reason); | |
1537 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, | |
1538 | enum queue_stop_reason reason); | |
3a25a8c8 | 1539 | void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); |
8f77f384 JB |
1540 | void ieee80211_add_pending_skb(struct ieee80211_local *local, |
1541 | struct sk_buff *skb); | |
b0b97a8a JB |
1542 | void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, |
1543 | struct sk_buff_head *skbs, | |
1544 | void (*fn)(void *data), void *data); | |
78307daa JB |
1545 | static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, |
1546 | struct sk_buff_head *skbs) | |
1547 | { | |
1548 | ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); | |
1549 | } | |
39ecc01d JB |
1550 | void ieee80211_flush_queues(struct ieee80211_local *local, |
1551 | struct ieee80211_sub_if_data *sdata); | |
ce7c9111 | 1552 | |
46900298 | 1553 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
700e8ea6 | 1554 | u16 transaction, u16 auth_alg, u16 status, |
4a3cb702 | 1555 | const u8 *extra, size_t extra_len, const u8 *bssid, |
1672c0e3 JB |
1556 | const u8 *da, const u8 *key, u8 key_len, u8 key_idx, |
1557 | u32 tx_flags); | |
6ae16775 AQ |
1558 | void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, |
1559 | const u8 *bssid, u16 stype, u16 reason, | |
1560 | bool send_frame, u8 *frame_buf); | |
de95a54b | 1561 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
c604b9f2 | 1562 | size_t buffer_len, const u8 *ie, size_t ie_len, |
651b5225 JM |
1563 | enum ieee80211_band band, u32 rate_mask, |
1564 | u8 channel); | |
a619a4c0 | 1565 | struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, |
85a237fe | 1566 | u8 *dst, u32 ratemask, |
6b77863b | 1567 | struct ieee80211_channel *chan, |
a619a4c0 | 1568 | const u8 *ssid, size_t ssid_len, |
a806c558 PS |
1569 | const u8 *ie, size_t ie_len, |
1570 | bool directed); | |
46900298 | 1571 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
de95a54b | 1572 | const u8 *ssid, size_t ssid_len, |
a806c558 | 1573 | const u8 *ie, size_t ie_len, |
1672c0e3 | 1574 | u32 ratemask, bool directed, u32 tx_flags, |
55de908a | 1575 | struct ieee80211_channel *channel, bool scan); |
46900298 JB |
1576 | |
1577 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, | |
1578 | const size_t supp_rates_len, | |
1579 | const u8 *supp_rates); | |
1580 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, | |
1581 | struct ieee802_11_elems *elems, | |
9ebb61a2 | 1582 | enum ieee80211_band band, u32 *basic_rates); |
0f78231b JB |
1583 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1584 | enum ieee80211_smps_mode smps_mode); | |
04ecd257 | 1585 | void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); |
46900298 | 1586 | |
8e664fb3 JB |
1587 | size_t ieee80211_ie_split(const u8 *ies, size_t ielen, |
1588 | const u8 *ids, int n_ids, size_t offset); | |
1589 | size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); | |
ef96a842 | 1590 | u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, |
42e7aa77 | 1591 | u16 cap); |
074d46d1 | 1592 | u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, |
4bf88530 | 1593 | const struct cfg80211_chan_def *chandef, |
431e3154 | 1594 | u16 prot_mode); |
ba0afa2f MP |
1595 | u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, |
1596 | u32 cap); | |
fc8a7321 | 1597 | int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, |
6b77863b JB |
1598 | struct sk_buff *skb, bool need_basic, |
1599 | enum ieee80211_band band); | |
fc8a7321 | 1600 | int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, |
6b77863b JB |
1601 | struct sk_buff *skb, bool need_basic, |
1602 | enum ieee80211_band band); | |
8e664fb3 | 1603 | |
f444de05 | 1604 | /* channel management */ |
4bf88530 | 1605 | void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, |
4a3cb702 | 1606 | const struct ieee80211_ht_operation *ht_oper, |
4bf88530 | 1607 | struct cfg80211_chan_def *chandef); |
f444de05 | 1608 | |
d01a1e65 MK |
1609 | int __must_check |
1610 | ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, | |
4bf88530 | 1611 | const struct cfg80211_chan_def *chandef, |
d01a1e65 | 1612 | enum ieee80211_chanctx_mode mode); |
2c9b7359 JB |
1613 | int __must_check |
1614 | ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, | |
1615 | const struct cfg80211_chan_def *chandef, | |
1616 | u32 *changed); | |
d01a1e65 | 1617 | void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); |
4d76d21b | 1618 | void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); |
1f4ac5a6 JB |
1619 | void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, |
1620 | bool clear); | |
d01a1e65 | 1621 | |
04ecd257 JB |
1622 | void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, |
1623 | struct ieee80211_chanctx *chanctx); | |
164eb02d SW |
1624 | void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local, |
1625 | struct ieee80211_chanctx *chanctx); | |
1626 | ||
1627 | void ieee80211_dfs_cac_timer(unsigned long data); | |
1628 | void ieee80211_dfs_cac_timer_work(struct work_struct *work); | |
1629 | void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); | |
1630 | void ieee80211_dfs_radar_detected_work(struct work_struct *work); | |
04ecd257 | 1631 | |
f4ea83dd | 1632 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1633 | #define debug_noinline noinline |
1634 | #else | |
1635 | #define debug_noinline | |
1636 | #endif | |
1637 | ||
f0706e82 | 1638 | #endif /* IEEE80211_I_H */ |