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; |
5cf121c3 | 159 | |
056cdd59 | 160 | unsigned int flags; |
5cf121c3 JB |
161 | }; |
162 | ||
163 | ||
9ae54c84 | 164 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
165 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
166 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
167 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
168 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 169 | |
554891e6 JB |
170 | /** |
171 | * enum ieee80211_packet_rx_flags - packet RX flags | |
172 | * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed | |
173 | * (incl. multicast frames) | |
554891e6 JB |
174 | * @IEEE80211_RX_FRAGMENTED: fragmented frame |
175 | * @IEEE80211_RX_AMSDU: a-MSDU packet | |
176 | * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed | |
4cfda47b | 177 | * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering |
554891e6 JB |
178 | * |
179 | * These are per-frame flags that are attached to a frame in the | |
180 | * @rx_flags field of &struct ieee80211_rx_status. | |
181 | */ | |
182 | enum ieee80211_packet_rx_flags { | |
554891e6 JB |
183 | IEEE80211_RX_RA_MATCH = BIT(1), |
184 | IEEE80211_RX_FRAGMENTED = BIT(2), | |
185 | IEEE80211_RX_AMSDU = BIT(3), | |
186 | IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), | |
4cfda47b | 187 | IEEE80211_RX_DEFERRED_RELEASE = BIT(5), |
554891e6 JB |
188 | }; |
189 | ||
190 | /** | |
191 | * enum ieee80211_rx_flags - RX data flags | |
192 | * | |
193 | * @IEEE80211_RX_CMNTR: received on cooked monitor already | |
ee971924 JB |
194 | * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported |
195 | * to cfg80211_report_obss_beacon(). | |
554891e6 JB |
196 | * |
197 | * These flags are used across handling multiple interfaces | |
198 | * for a single frame. | |
199 | */ | |
200 | enum ieee80211_rx_flags { | |
201 | IEEE80211_RX_CMNTR = BIT(0), | |
ee971924 | 202 | IEEE80211_RX_BEACON_REPORTED = BIT(1), |
554891e6 | 203 | }; |
5cf121c3 JB |
204 | |
205 | struct ieee80211_rx_data { | |
f0706e82 | 206 | struct sk_buff *skb; |
f0706e82 JB |
207 | struct ieee80211_local *local; |
208 | struct ieee80211_sub_if_data *sdata; | |
209 | struct sta_info *sta; | |
f0706e82 | 210 | struct ieee80211_key *key; |
056cdd59 | 211 | |
056cdd59 | 212 | unsigned int flags; |
9e26297a JB |
213 | |
214 | /* | |
215 | * Index into sequence numbers array, 0..16 | |
216 | * since the last (16) is used for non-QoS, | |
217 | * will be 16 on non-QoS frames. | |
218 | */ | |
219 | int seqno_idx; | |
220 | ||
221 | /* | |
222 | * Index into the security IV/PN arrays, 0..16 | |
223 | * since the last (16) is used for CCMP-encrypted | |
224 | * management frames, will be set to 16 on mgmt | |
225 | * frames and 0 on non-QoS frames. | |
226 | */ | |
227 | int security_idx; | |
228 | ||
5cf121c3 JB |
229 | u32 tkip_iv32; |
230 | u16 tkip_iv16; | |
f0706e82 JB |
231 | }; |
232 | ||
5dfdaf58 JB |
233 | struct beacon_data { |
234 | u8 *head, *tail; | |
235 | int head_len, tail_len; | |
8860020e | 236 | struct rcu_head rcu_head; |
5dfdaf58 JB |
237 | }; |
238 | ||
aa7a0080 ES |
239 | struct probe_resp { |
240 | struct rcu_head rcu_head; | |
241 | int len; | |
242 | u8 data[0]; | |
243 | }; | |
244 | ||
d012a605 | 245 | struct ps_data { |
f0706e82 JB |
246 | /* yes, this looks ugly, but guarantees that we can later use |
247 | * bitmap_empty :) | |
004c872e | 248 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 249 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
d012a605 | 250 | struct sk_buff_head bc_buf; |
056cdd59 | 251 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 252 | int dtim_count; |
512119b3 | 253 | bool dtim_bc_mc; |
f0706e82 JB |
254 | }; |
255 | ||
d012a605 MP |
256 | struct ieee80211_if_ap { |
257 | struct beacon_data __rcu *beacon; | |
258 | struct probe_resp __rcu *probe_resp; | |
259 | ||
260 | struct list_head vlans; | |
261 | ||
262 | struct ps_data ps; | |
263 | atomic_t num_mcast_sta; /* number of stations receiving multicast */ | |
264 | }; | |
265 | ||
f0706e82 | 266 | struct ieee80211_if_wds { |
f0706e82 | 267 | struct sta_info *sta; |
056cdd59 | 268 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
269 | }; |
270 | ||
271 | struct ieee80211_if_vlan { | |
0ec3ca44 | 272 | struct list_head list; |
f14543ee FF |
273 | |
274 | /* used for all tx if the VLAN is configured to 4-addr mode */ | |
40b275b6 | 275 | struct sta_info __rcu *sta; |
f0706e82 JB |
276 | }; |
277 | ||
ee385855 | 278 | struct mesh_stats { |
c8a61a7d DW |
279 | __u32 fwded_mcast; /* Mesh forwarded multicast frames */ |
280 | __u32 fwded_unicast; /* Mesh forwarded unicast frames */ | |
281 | __u32 fwded_frames; /* Mesh total forwarded frames */ | |
ee385855 LCC |
282 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
283 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
cfee66b0 | 284 | __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ |
ee385855 LCC |
285 | }; |
286 | ||
287 | #define PREQ_Q_F_START 0x1 | |
288 | #define PREQ_Q_F_REFRESH 0x2 | |
289 | struct mesh_preq_queue { | |
290 | struct list_head list; | |
291 | u8 dst[ETH_ALEN]; | |
292 | u8 flags; | |
293 | }; | |
294 | ||
2eb278e0 JB |
295 | #if HZ/100 == 0 |
296 | #define IEEE80211_ROC_MIN_LEFT 1 | |
297 | #else | |
298 | #define IEEE80211_ROC_MIN_LEFT (HZ/100) | |
299 | #endif | |
af6b6374 | 300 | |
2eb278e0 | 301 | struct ieee80211_roc_work { |
77fdaa12 | 302 | struct list_head list; |
2eb278e0 | 303 | struct list_head dependents; |
77fdaa12 | 304 | |
2eb278e0 | 305 | struct delayed_work work; |
af6b6374 JB |
306 | |
307 | struct ieee80211_sub_if_data *sdata; | |
308 | ||
f679f65d | 309 | struct ieee80211_channel *chan; |
af6b6374 | 310 | |
2eb278e0 | 311 | bool started, abort, hw_begun, notified; |
f679f65d | 312 | |
2eb278e0 | 313 | unsigned long hw_start_time; |
e4da8c37 | 314 | |
2eb278e0 JB |
315 | u32 duration, req_duration; |
316 | struct sk_buff *frame; | |
50febf6a | 317 | u64 cookie, mgmt_tx_cookie; |
d339d5ca | 318 | enum ieee80211_roc_type type; |
77fdaa12 JB |
319 | }; |
320 | ||
46900298 | 321 | /* flags used in struct ieee80211_if_managed.flags */ |
ab1faead | 322 | enum ieee80211_sta_flags { |
b291ba11 JB |
323 | IEEE80211_STA_BEACON_POLL = BIT(0), |
324 | IEEE80211_STA_CONNECTION_POLL = BIT(1), | |
325 | IEEE80211_STA_CONTROL_PORT = BIT(2), | |
a8243b72 | 326 | IEEE80211_STA_DISABLE_HT = BIT(4), |
b291ba11 JB |
327 | IEEE80211_STA_CSA_RECEIVED = BIT(5), |
328 | IEEE80211_STA_MFP_ENABLED = BIT(6), | |
ab13315a | 329 | IEEE80211_STA_UAPSD_ENABLED = BIT(7), |
375177bf | 330 | IEEE80211_STA_NULLFUNC_ACKED = BIT(8), |
17e4ec14 | 331 | IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), |
24398e39 | 332 | IEEE80211_STA_DISABLE_40MHZ = BIT(10), |
d545daba | 333 | IEEE80211_STA_DISABLE_VHT = BIT(11), |
f2d9d270 JB |
334 | IEEE80211_STA_DISABLE_80P80MHZ = BIT(12), |
335 | IEEE80211_STA_DISABLE_160MHZ = BIT(13), | |
ab1faead JB |
336 | }; |
337 | ||
66e67e41 JB |
338 | struct ieee80211_mgd_auth_data { |
339 | struct cfg80211_bss *bss; | |
340 | unsigned long timeout; | |
341 | int tries; | |
342 | u16 algorithm, expected_transaction; | |
343 | ||
344 | u8 key[WLAN_KEY_LEN_WEP104]; | |
345 | u8 key_len, key_idx; | |
66e67e41 | 346 | bool done; |
89afe614 | 347 | bool timeout_started; |
66e67e41 | 348 | |
6b8ece3a JM |
349 | u16 sae_trans, sae_status; |
350 | size_t data_len; | |
351 | u8 data[]; | |
66e67e41 JB |
352 | }; |
353 | ||
354 | struct ieee80211_mgd_assoc_data { | |
355 | struct cfg80211_bss *bss; | |
356 | const u8 *supp_rates; | |
66e67e41 JB |
357 | |
358 | unsigned long timeout; | |
359 | int tries; | |
360 | ||
361 | u16 capability; | |
362 | u8 prev_bssid[ETH_ALEN]; | |
363 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
364 | u8 ssid_len; | |
365 | u8 supp_rates_len; | |
76f0303d | 366 | bool wmm, uapsd; |
c65dd147 | 367 | bool have_beacon, need_beacon; |
66e67e41 | 368 | bool synced; |
89afe614 | 369 | bool timeout_started; |
66e67e41 | 370 | |
9dde6423 JB |
371 | u8 ap_ht_param; |
372 | ||
b08fbbd8 JB |
373 | struct ieee80211_vht_cap ap_vht_cap; |
374 | ||
66e67e41 JB |
375 | size_t ie_len; |
376 | u8 ie[]; | |
377 | }; | |
378 | ||
46900298 | 379 | struct ieee80211_if_managed { |
056cdd59 | 380 | struct timer_list timer; |
b291ba11 JB |
381 | struct timer_list conn_mon_timer; |
382 | struct timer_list bcn_mon_timer; | |
c481ec97 | 383 | struct timer_list chswitch_timer; |
b291ba11 | 384 | struct work_struct monitor_work; |
c481ec97 | 385 | struct work_struct chswitch_work; |
1e4dcd01 | 386 | struct work_struct beacon_connection_loss_work; |
882a7c69 | 387 | struct work_struct csa_connection_drop_work; |
46900298 | 388 | |
7ccc8bd7 | 389 | unsigned long beacon_timeout; |
b291ba11 | 390 | unsigned long probe_timeout; |
a43abf29 | 391 | int probe_send_count; |
04ac3c0e | 392 | bool nullfunc_failed; |
682bd38b | 393 | bool connection_loss; |
b291ba11 | 394 | |
77fdaa12 | 395 | struct mutex mtx; |
0c1ad2ca | 396 | struct cfg80211_bss *associated; |
66e67e41 JB |
397 | struct ieee80211_mgd_auth_data *auth_data; |
398 | struct ieee80211_mgd_assoc_data *assoc_data; | |
46900298 | 399 | |
77fdaa12 | 400 | u8 bssid[ETH_ALEN]; |
46900298 | 401 | |
f0706e82 | 402 | u16 aid; |
f0706e82 | 403 | |
965bedad | 404 | bool powersave; /* powersave requested for this iface */ |
05cb9108 | 405 | bool broken_ap; /* AP is broken -- turn off powersave */ |
826262c3 | 406 | u8 dtim_period; |
0f78231b | 407 | enum ieee80211_smps_mode req_smps, /* requested smps mode */ |
d1f5b7a3 JB |
408 | driver_smps_mode; /* smps mode request */ |
409 | ||
410 | struct work_struct request_smps_work; | |
965bedad | 411 | |
d6f2da5b | 412 | unsigned int flags; |
f0706e82 | 413 | |
d8ec4433 | 414 | bool beacon_crc_valid; |
d91f36db JB |
415 | u32 beacon_crc; |
416 | ||
1672c0e3 JB |
417 | bool status_acked; |
418 | bool status_received; | |
419 | __le16 status_fc; | |
420 | ||
fdfacf0a JM |
421 | enum { |
422 | IEEE80211_MFP_DISABLED, | |
423 | IEEE80211_MFP_OPTIONAL, | |
424 | IEEE80211_MFP_REQUIRED | |
425 | } mfp; /* management frame protection */ | |
426 | ||
dc41e4d4 EP |
427 | /* |
428 | * Bitmask of enabled u-apsd queues, | |
429 | * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association | |
430 | * to take effect. | |
431 | */ | |
432 | unsigned int uapsd_queues; | |
433 | ||
434 | /* | |
435 | * Maximum number of buffered frames AP can deliver during a | |
436 | * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. | |
437 | * Needs a new association to take effect. | |
438 | */ | |
439 | unsigned int uapsd_max_sp_len; | |
440 | ||
f0706e82 | 441 | int wmm_last_param_set; |
9bc383de JB |
442 | |
443 | u8 use_4addr; | |
17e4ec14 | 444 | |
488dd7b5 JB |
445 | u8 p2p_noa_index; |
446 | ||
17e4ec14 JM |
447 | /* Signal strength from the last Beacon frame in the current BSS. */ |
448 | int last_beacon_signal; | |
449 | ||
450 | /* | |
451 | * Weighted average of the signal strength from Beacon frames in the | |
452 | * current BSS. This is in units of 1/16 of the signal unit to maintain | |
453 | * accuracy and to speed up calculations, i.e., the value need to be | |
454 | * divided by 16 to get the actual value. | |
455 | */ | |
456 | int ave_beacon_signal; | |
457 | ||
391a200a JM |
458 | /* |
459 | * Number of Beacon frames used in ave_beacon_signal. This can be used | |
460 | * to avoid generating less reliable cqm events that would be based | |
461 | * only on couple of received frames. | |
462 | */ | |
463 | unsigned int count_beacon_signal; | |
464 | ||
17e4ec14 JM |
465 | /* |
466 | * Last Beacon frame signal strength average (ave_beacon_signal / 16) | |
467 | * that triggered a cqm event. 0 indicates that no event has been | |
468 | * generated for the current association. | |
469 | */ | |
470 | int last_cqm_event_signal; | |
615f7b9b MV |
471 | |
472 | /* | |
473 | * State variables for keeping track of RSSI of the AP currently | |
474 | * connected to and informing driver when RSSI has gone | |
475 | * below/above a certain threshold. | |
476 | */ | |
477 | int rssi_min_thold, rssi_max_thold; | |
478 | int last_ave_beacon_signal; | |
ef96a842 BG |
479 | |
480 | struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ | |
481 | struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ | |
dd5ecfea JB |
482 | struct ieee80211_vht_cap vht_capa; /* configured VHT overrides */ |
483 | struct ieee80211_vht_cap vht_capa_mask; /* Valid parts of vht_capa */ | |
f0706e82 JB |
484 | }; |
485 | ||
46900298 JB |
486 | struct ieee80211_if_ibss { |
487 | struct timer_list timer; | |
46900298 | 488 | |
7a17a33c JB |
489 | struct mutex mtx; |
490 | ||
af8cdcd8 | 491 | unsigned long last_scan_completed; |
5bb644a0 | 492 | |
fbd2c8dc TP |
493 | u32 basic_rates; |
494 | ||
af8cdcd8 JB |
495 | bool fixed_bssid; |
496 | bool fixed_channel; | |
fffd0934 | 497 | bool privacy; |
46900298 | 498 | |
267335d6 | 499 | bool control_port; |
6abe0563 | 500 | unsigned int auth_frame_registrations; |
267335d6 | 501 | |
4d196e4b | 502 | u8 bssid[ETH_ALEN] __aligned(2); |
af8cdcd8 JB |
503 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
504 | u8 ssid_len, ie_len; | |
505 | u8 *ie; | |
506 | struct ieee80211_channel *channel; | |
13c40c54 | 507 | enum nl80211_channel_type channel_type; |
46900298 JB |
508 | |
509 | unsigned long ibss_join_req; | |
af8cdcd8 | 510 | /* probe response/beacon for IBSS */ |
40b275b6 JB |
511 | struct sk_buff __rcu *presp; |
512 | struct sk_buff *skb; | |
46900298 | 513 | |
8bf11d8d JB |
514 | spinlock_t incomplete_lock; |
515 | struct list_head incomplete_stations; | |
516 | ||
46900298 JB |
517 | enum { |
518 | IEEE80211_IBSS_MLME_SEARCH, | |
519 | IEEE80211_IBSS_MLME_JOINED, | |
520 | } state; | |
521 | }; | |
522 | ||
dbf498fb JC |
523 | /** |
524 | * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface | |
525 | * | |
526 | * these declarations define the interface, which enables | |
527 | * vendor-specific mesh synchronization | |
528 | * | |
529 | */ | |
530 | struct ieee802_11_elems; | |
531 | struct ieee80211_mesh_sync_ops { | |
532 | void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, | |
533 | u16 stype, | |
534 | struct ieee80211_mgmt *mgmt, | |
535 | struct ieee802_11_elems *elems, | |
536 | struct ieee80211_rx_status *rx_status); | |
537 | void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata); | |
538 | /* add other framework functions here */ | |
539 | }; | |
540 | ||
472dbc45 | 541 | struct ieee80211_if_mesh { |
472dbc45 JB |
542 | struct timer_list housekeeping_timer; |
543 | struct timer_list mesh_path_timer; | |
e304bfd3 | 544 | struct timer_list mesh_path_root_timer; |
472dbc45 | 545 | |
18889231 | 546 | unsigned long wrkq_flags; |
472dbc45 JB |
547 | |
548 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
549 | size_t mesh_id_len; | |
550 | /* Active Path Selection Protocol Identifier */ | |
3491707a | 551 | u8 mesh_pp_id; |
472dbc45 | 552 | /* Active Path Selection Metric Identifier */ |
3491707a | 553 | u8 mesh_pm_id; |
472dbc45 | 554 | /* Congestion Control Mode Identifier */ |
3491707a | 555 | u8 mesh_cc_id; |
9e03fdfd | 556 | /* Synchronization Protocol Identifier */ |
3491707a | 557 | u8 mesh_sp_id; |
9e03fdfd | 558 | /* Authentication Protocol Identifier */ |
3491707a | 559 | u8 mesh_auth_id; |
d19b3bf6 RP |
560 | /* Local mesh Sequence Number */ |
561 | u32 sn; | |
472dbc45 JB |
562 | /* Last used PREQ ID */ |
563 | u32 preq_id; | |
564 | atomic_t mpaths; | |
d19b3bf6 RP |
565 | /* Timestamp of last SN update */ |
566 | unsigned long last_sn_update; | |
dca7e943 TP |
567 | /* Time when it's ok to send next PERR */ |
568 | unsigned long next_perr; | |
569 | /* Timestamp of last PREQ sent */ | |
472dbc45 JB |
570 | unsigned long last_preq; |
571 | struct mesh_rmc *rmc; | |
572 | spinlock_t mesh_preq_queue_lock; | |
573 | struct mesh_preq_queue preq_queue; | |
574 | int preq_queue_len; | |
575 | struct mesh_stats mshstats; | |
576 | struct mesh_config mshcfg; | |
1258d976 | 577 | atomic_t estab_plinks; |
472dbc45 JB |
578 | u32 mesh_seqnum; |
579 | bool accepting_plinks; | |
5ee68e5b | 580 | int num_gates; |
2b5e1967 TP |
581 | struct beacon_data __rcu *beacon; |
582 | /* just protects beacon updates for now */ | |
583 | struct mutex mtx; | |
581a8b0f JC |
584 | const u8 *ie; |
585 | u8 ie_len; | |
b130e5ce JC |
586 | enum { |
587 | IEEE80211_MESH_SEC_NONE = 0x0, | |
588 | IEEE80211_MESH_SEC_AUTHED = 0x1, | |
589 | IEEE80211_MESH_SEC_SECURED = 0x2, | |
590 | } security; | |
a6dad6a2 | 591 | bool user_mpm; |
dbf498fb | 592 | /* Extensible Synchronization Framework */ |
8ba7acf3 | 593 | const struct ieee80211_mesh_sync_ops *sync_ops; |
dbf498fb JC |
594 | s64 sync_offset_clockdrift_max; |
595 | spinlock_t sync_offset_lock; | |
596 | bool adjusting_tbtt; | |
3f52b7e3 MP |
597 | /* mesh power save */ |
598 | enum nl80211_mesh_power_mode nonpeer_pm; | |
599 | int ps_peers_light_sleep; | |
600 | int ps_peers_deep_sleep; | |
601 | struct ps_data ps; | |
472dbc45 | 602 | }; |
902acc78 JB |
603 | |
604 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
605 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
606 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 607 | #else |
472dbc45 | 608 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
609 | do { } while (0) |
610 | #endif | |
f0706e82 | 611 | |
213cd118 JB |
612 | /** |
613 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
614 | * | |
615 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
616 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
213cd118 JB |
617 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
618 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
619 | * associated stations and deliver multicast frames both | |
620 | * back to wireless media and to the local net stack. | |
95acac61 | 621 | * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. |
7b7eab6f | 622 | * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver |
213cd118 JB |
623 | */ |
624 | enum ieee80211_sub_if_data_flags { | |
625 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
626 | IEEE80211_SDATA_PROMISC = BIT(1), | |
7986cf95 JB |
627 | IEEE80211_SDATA_OPERATING_GMODE = BIT(2), |
628 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), | |
95acac61 | 629 | IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), |
7b7eab6f | 630 | IEEE80211_SDATA_IN_DRIVER = BIT(5), |
213cd118 JB |
631 | }; |
632 | ||
34d4bc4d JB |
633 | /** |
634 | * enum ieee80211_sdata_state_bits - virtual interface state bits | |
635 | * @SDATA_STATE_RUNNING: virtual interface is up & running; this | |
636 | * mirrors netif_running() but is separate for interface type | |
637 | * change handling while the interface is up | |
5b714c6a JB |
638 | * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel |
639 | * mode, so queues are stopped | |
d6a83228 JB |
640 | * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due |
641 | * to offchannel, reset when offchannel returns | |
34d4bc4d JB |
642 | */ |
643 | enum ieee80211_sdata_state_bits { | |
644 | SDATA_STATE_RUNNING, | |
5b714c6a | 645 | SDATA_STATE_OFFCHANNEL, |
d6a83228 | 646 | SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, |
34d4bc4d JB |
647 | }; |
648 | ||
d01a1e65 MK |
649 | /** |
650 | * enum ieee80211_chanctx_mode - channel context configuration mode | |
651 | * | |
652 | * @IEEE80211_CHANCTX_SHARED: channel context may be used by | |
653 | * multiple interfaces | |
654 | * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used | |
655 | * only by a single interface. This can be used for example for | |
656 | * non-fixed channel IBSS. | |
657 | */ | |
658 | enum ieee80211_chanctx_mode { | |
659 | IEEE80211_CHANCTX_SHARED, | |
660 | IEEE80211_CHANCTX_EXCLUSIVE | |
661 | }; | |
662 | ||
663 | struct ieee80211_chanctx { | |
664 | struct list_head list; | |
665 | struct rcu_head rcu_head; | |
666 | ||
667 | enum ieee80211_chanctx_mode mode; | |
668 | int refcount; | |
8a61af65 | 669 | bool driver_present; |
d01a1e65 MK |
670 | |
671 | struct ieee80211_chanctx_conf conf; | |
672 | }; | |
673 | ||
f0706e82 JB |
674 | struct ieee80211_sub_if_data { |
675 | struct list_head list; | |
f0706e82 JB |
676 | |
677 | struct wireless_dev wdev; | |
678 | ||
11a843b7 JB |
679 | /* keys */ |
680 | struct list_head key_list; | |
681 | ||
3bff1865 YAP |
682 | /* count for keys needing tailroom space allocation */ |
683 | int crypto_tx_tailroom_needed_cnt; | |
8d1f7ecd JB |
684 | int crypto_tx_tailroom_pending_dec; |
685 | struct delayed_work dec_tailroom_needed_wk; | |
3bff1865 | 686 | |
f0706e82 JB |
687 | struct net_device *dev; |
688 | struct ieee80211_local *local; | |
689 | ||
13262ffd | 690 | unsigned int flags; |
7e9ed188 | 691 | |
34d4bc4d JB |
692 | unsigned long state; |
693 | ||
f0706e82 | 694 | int drop_unencrypted; |
f0706e82 | 695 | |
47846c9b JB |
696 | char name[IFNAMSIZ]; |
697 | ||
f0706e82 JB |
698 | /* Fragment table for host-based reassembly */ |
699 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
700 | unsigned int fragment_next; | |
701 | ||
b53be792 SW |
702 | /* TID bitmap for NoAck policy */ |
703 | u16 noack_map; | |
704 | ||
00e96dec YD |
705 | /* bit field of ACM bits (BIT(802.1D tag)) */ |
706 | u8 wmm_acm; | |
707 | ||
40b275b6 JB |
708 | struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; |
709 | struct ieee80211_key __rcu *default_unicast_key; | |
710 | struct ieee80211_key __rcu *default_multicast_key; | |
711 | struct ieee80211_key __rcu *default_mgmt_key; | |
f0706e82 | 712 | |
94778280 | 713 | u16 sequence_number; |
a621fa4d JB |
714 | __be16 control_port_protocol; |
715 | bool control_port_no_encrypt; | |
94778280 | 716 | |
54bcbc69 | 717 | struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; |
f6f3def3 | 718 | |
04ecd257 JB |
719 | /* used to reconfigure hardware SM PS */ |
720 | struct work_struct recalc_smps; | |
721 | ||
64592c8f | 722 | struct work_struct work; |
35f20c14 JB |
723 | struct sk_buff_head skb_queue; |
724 | ||
04ecd257 JB |
725 | u8 needed_rx_chains; |
726 | enum ieee80211_smps_mode smps_mode; | |
727 | ||
1ea6f9c0 JB |
728 | int user_power_level; /* in dBm */ |
729 | int ap_power_level; /* in dBm */ | |
730 | ||
164eb02d SW |
731 | bool radar_required; |
732 | struct delayed_work dfs_cac_timer_work; | |
733 | ||
471b3efd | 734 | /* |
3e122be0 JB |
735 | * AP this belongs to: self in AP mode and |
736 | * corresponding AP in VLAN mode, NULL for | |
737 | * all others (might be needed later in IBSS) | |
471b3efd | 738 | */ |
3e122be0 JB |
739 | struct ieee80211_if_ap *bss; |
740 | ||
37eb0b16 JM |
741 | /* bitmap of allowed (non-MCS) rate indexes for rate control */ |
742 | u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; | |
19468413 | 743 | u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; |
f0706e82 JB |
744 | |
745 | union { | |
746 | struct ieee80211_if_ap ap; | |
747 | struct ieee80211_if_wds wds; | |
748 | struct ieee80211_if_vlan vlan; | |
46900298 JB |
749 | struct ieee80211_if_managed mgd; |
750 | struct ieee80211_if_ibss ibss; | |
472dbc45 | 751 | struct ieee80211_if_mesh mesh; |
8cc9a739 | 752 | u32 mntr_flags; |
f0706e82 | 753 | } u; |
e9f207f0 | 754 | |
97f97b1f JB |
755 | spinlock_t cleanup_stations_lock; |
756 | struct list_head cleanup_stations; | |
757 | struct work_struct cleanup_stations_wk; | |
758 | ||
e9f207f0 | 759 | #ifdef CONFIG_MAC80211_DEBUGFS |
2b58b209 | 760 | struct { |
295bafb4 | 761 | struct dentry *subdir_stations; |
f7e0104c JB |
762 | struct dentry *default_unicast_key; |
763 | struct dentry *default_multicast_key; | |
3cfcf6ac | 764 | struct dentry *default_mgmt_key; |
7bcfaf2f | 765 | } debugfs; |
e9f207f0 | 766 | #endif |
529ba6e9 | 767 | |
32bfd35d JB |
768 | /* must be last, dynamically sized area in this! */ |
769 | struct ieee80211_vif vif; | |
f0706e82 JB |
770 | }; |
771 | ||
32bfd35d JB |
772 | static inline |
773 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
774 | { | |
775 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
776 | } | |
777 | ||
55de908a JB |
778 | static inline enum ieee80211_band |
779 | ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) | |
780 | { | |
781 | enum ieee80211_band band = IEEE80211_BAND_2GHZ; | |
782 | struct ieee80211_chanctx_conf *chanctx_conf; | |
783 | ||
784 | rcu_read_lock(); | |
785 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
786 | if (!WARN_ON(!chanctx_conf)) | |
4bf88530 | 787 | band = chanctx_conf->def.chan->band; |
55de908a JB |
788 | rcu_read_unlock(); |
789 | ||
790 | return band; | |
791 | } | |
792 | ||
c1475ca9 JB |
793 | enum sdata_queue_type { |
794 | IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, | |
795 | IEEE80211_SDATA_QUEUE_AGG_START = 1, | |
796 | IEEE80211_SDATA_QUEUE_AGG_STOP = 2, | |
797 | }; | |
798 | ||
f0706e82 JB |
799 | enum { |
800 | IEEE80211_RX_MSG = 1, | |
801 | IEEE80211_TX_STATUS_MSG = 2, | |
802 | }; | |
803 | ||
ce7c9111 KV |
804 | enum queue_stop_reason { |
805 | IEEE80211_QUEUE_STOP_REASON_DRIVER, | |
520eb820 | 806 | IEEE80211_QUEUE_STOP_REASON_PS, |
96f5e66e JB |
807 | IEEE80211_QUEUE_STOP_REASON_CSA, |
808 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, | |
25420604 | 809 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
8f77f384 | 810 | IEEE80211_QUEUE_STOP_REASON_SKB_ADD, |
6c17b77b | 811 | IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL, |
445ea4e8 | 812 | IEEE80211_QUEUE_STOP_REASON_FLUSH, |
ce7c9111 KV |
813 | }; |
814 | ||
65a6538a | 815 | #ifdef CONFIG_MAC80211_LEDS |
e1e54068 JB |
816 | struct tpt_led_trigger { |
817 | struct led_trigger trig; | |
818 | char name[32]; | |
819 | const struct ieee80211_tpt_blink *blink_table; | |
820 | unsigned int blink_table_len; | |
821 | struct timer_list timer; | |
e1e54068 JB |
822 | unsigned long prev_traffic; |
823 | unsigned long tx_bytes, rx_bytes; | |
67408c8c JB |
824 | unsigned int active, want; |
825 | bool running; | |
e1e54068 | 826 | }; |
65a6538a | 827 | #endif |
e1e54068 | 828 | |
142b9f50 HS |
829 | /** |
830 | * mac80211 scan flags - currently active scan mode | |
831 | * | |
832 | * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as | |
833 | * well be on the operating channel | |
834 | * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to | |
835 | * determine if we are on the operating channel or not | |
8a690674 BG |
836 | * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating |
837 | * channel. This should not interrupt normal traffic. | |
8789d459 JB |
838 | * @SCAN_COMPLETED: Set for our scan work function when the driver reported |
839 | * that the scan completed. | |
840 | * @SCAN_ABORTED: Set for our scan work function when the driver reported | |
841 | * a scan complete for an aborted scan. | |
142b9f50 | 842 | */ |
fbe9c429 HS |
843 | enum { |
844 | SCAN_SW_SCANNING, | |
142b9f50 | 845 | SCAN_HW_SCANNING, |
8a690674 | 846 | SCAN_ONCHANNEL_SCANNING, |
8789d459 JB |
847 | SCAN_COMPLETED, |
848 | SCAN_ABORTED, | |
142b9f50 HS |
849 | }; |
850 | ||
851 | /** | |
852 | * enum mac80211_scan_state - scan state machine states | |
853 | * | |
854 | * @SCAN_DECISION: Main entry point to the scan state machine, this state | |
855 | * determines if we should keep on scanning or switch back to the | |
856 | * operating channel | |
857 | * @SCAN_SET_CHANNEL: Set the next channel to be scanned | |
858 | * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses | |
07ef03ee JB |
859 | * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to |
860 | * send out data | |
861 | * @SCAN_RESUME: Resume the scan and scan the next channel | |
cd2bb512 | 862 | * @SCAN_ABORT: Abort the scan and go back to operating channel |
142b9f50 HS |
863 | */ |
864 | enum mac80211_scan_state { | |
865 | SCAN_DECISION, | |
866 | SCAN_SET_CHANNEL, | |
867 | SCAN_SEND_PROBE, | |
07ef03ee JB |
868 | SCAN_SUSPEND, |
869 | SCAN_RESUME, | |
cd2bb512 | 870 | SCAN_ABORT, |
fbe9c429 HS |
871 | }; |
872 | ||
f0706e82 JB |
873 | struct ieee80211_local { |
874 | /* embed the driver visible part. | |
875 | * don't cast (use the static inlines below), but we keep | |
876 | * it first anyway so they become a no-op */ | |
877 | struct ieee80211_hw hw; | |
878 | ||
879 | const struct ieee80211_ops *ops; | |
880 | ||
42935eca LR |
881 | /* |
882 | * private workqueue to mac80211. mac80211 makes this accessible | |
883 | * via ieee80211_queue_work() | |
884 | */ | |
885 | struct workqueue_struct *workqueue; | |
886 | ||
e4e72fb4 | 887 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
96f5e66e | 888 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
ce7c9111 | 889 | spinlock_t queue_stop_reason_lock; |
96f5e66e | 890 | |
f0706e82 | 891 | int open_count; |
3d30d949 | 892 | int monitors, cooked_mntrs; |
8cc9a739 | 893 | /* number of interfaces with corresponding FIF_ flags */ |
7be5086d JB |
894 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, |
895 | fif_probe_req; | |
896 | int probe_req_reg; | |
4150c572 | 897 | unsigned int filter_flags; /* FIF_* */ |
3b8d81e0 | 898 | |
3ffc2a90 JB |
899 | bool wiphy_ciphers_allocated; |
900 | ||
fe57d9f5 JB |
901 | bool use_chanctx; |
902 | ||
3b8d81e0 JB |
903 | /* protects the aggregated multicast list and filter calls */ |
904 | spinlock_t filter_lock; | |
905 | ||
3ac64bee JB |
906 | /* used for uploading changed mc list */ |
907 | struct work_struct reconfig_filter; | |
908 | ||
3b8d81e0 | 909 | /* aggregated multicast list */ |
22bedad3 | 910 | struct netdev_hw_addr_list mc_list; |
3b8d81e0 | 911 | |
d0709a65 | 912 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
5bb644a0 JB |
913 | |
914 | /* | |
915 | * suspended is true if we finished all the suspend _and_ we have | |
916 | * not yet come up from resume. This is to be used by mac80211 | |
917 | * to ensure driver sanity during suspend and mac80211's own | |
918 | * sanity. It can eventually be used for WoW as well. | |
919 | */ | |
920 | bool suspended; | |
921 | ||
ceb99fe0 JB |
922 | /* |
923 | * Resuming is true while suspended, but when we're reprogramming the | |
924 | * hardware -- at that time it's allowed to use ieee80211_queue_work() | |
925 | * again even though some other parts of the stack are still suspended | |
926 | * and we still drop received frames to avoid waking the stack. | |
927 | */ | |
928 | bool resuming; | |
929 | ||
5bb644a0 JB |
930 | /* |
931 | * quiescing is true during the suspend process _only_ to | |
932 | * ease timer cancelling etc. | |
933 | */ | |
934 | bool quiescing; | |
935 | ||
ea77f12f JB |
936 | /* device is started */ |
937 | bool started; | |
938 | ||
04800ada AN |
939 | /* device is during a HW reconfig */ |
940 | bool in_reconfig; | |
941 | ||
eecc4800 JB |
942 | /* wowlan is enabled -- don't reconfig on resume */ |
943 | bool wowlan; | |
944 | ||
164eb02d SW |
945 | /* DFS/radar detection is enabled */ |
946 | bool radar_detect_enabled; | |
947 | struct work_struct radar_detected_work; | |
948 | ||
04ecd257 JB |
949 | /* number of RX chains the hardware has */ |
950 | u8 rx_chains; | |
951 | ||
b306f453 | 952 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 953 | |
f0706e82 JB |
954 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
955 | * added to skb_queue will be processed, but frames in | |
956 | * skb_queue_unreliable may be dropped if the total length of these | |
957 | * queues increases over the limit. */ | |
958 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
959 | struct tasklet_struct tasklet; | |
960 | struct sk_buff_head skb_queue; | |
961 | struct sk_buff_head skb_queue_unreliable; | |
962 | ||
f9e124fb | 963 | spinlock_t rx_path_lock; |
24a8fdad | 964 | |
d0709a65 JB |
965 | /* Station data */ |
966 | /* | |
4d33960b JB |
967 | * The mutex only protects the list, hash table and |
968 | * counter, reads are done with RCU. | |
d0709a65 | 969 | */ |
34e89507 | 970 | struct mutex sta_mtx; |
4d33960b | 971 | spinlock_t tim_lock; |
d0709a65 | 972 | unsigned long num_sta; |
4d33960b | 973 | struct list_head sta_list; |
40b275b6 | 974 | struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; |
f0706e82 | 975 | struct timer_list sta_cleanup; |
f5ea9120 | 976 | int sta_generation; |
f0706e82 | 977 | |
2a577d98 | 978 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
979 | struct tasklet_struct tx_pending_tasklet; |
980 | ||
a6a67db2 | 981 | atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; |
cd8ffc80 | 982 | |
53918994 JB |
983 | /* number of interfaces with corresponding IFF_ flags */ |
984 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
985 | |
986 | struct rate_control_ref *rate_ctrl; | |
987 | ||
5f9f1812 FF |
988 | struct crypto_cipher *wep_tx_tfm; |
989 | struct crypto_cipher *wep_rx_tfm; | |
f0706e82 | 990 | u32 wep_iv; |
f0706e82 | 991 | |
c771c9d8 | 992 | /* see iface.c */ |
79010420 | 993 | struct list_head interfaces; |
c771c9d8 | 994 | struct mutex iflist_mtx; |
79010420 | 995 | |
b16bd15c | 996 | /* |
ad0e2b5a | 997 | * Key mutex, protects sdata's key_list and sta_info's |
b16bd15c JB |
998 | * key pointers (write access, they're RCU.) |
999 | */ | |
ad0e2b5a | 1000 | struct mutex key_mtx; |
b16bd15c | 1001 | |
a1699b75 JB |
1002 | /* mutex for scan and work locking */ |
1003 | struct mutex mtx; | |
b16bd15c | 1004 | |
c2b13452 | 1005 | /* Scanning and BSS list */ |
fbe9c429 | 1006 | unsigned long scanning; |
2a519311 | 1007 | struct cfg80211_ssid scan_ssid; |
5ba63533 | 1008 | struct cfg80211_scan_request *int_scan_req; |
4d36ec58 | 1009 | struct cfg80211_scan_request *scan_req, *hw_scan_req; |
2a519311 | 1010 | struct ieee80211_channel *scan_channel; |
4d36ec58 | 1011 | enum ieee80211_band hw_scan_band; |
f0706e82 | 1012 | int scan_channel_idx; |
de95a54b | 1013 | int scan_ies_len; |
c604b9f2 | 1014 | int hw_scan_ies_bufsize; |
8318d78a | 1015 | |
85a9994a | 1016 | struct work_struct sched_scan_stopped_work; |
5260a5b2 | 1017 | struct ieee80211_sub_if_data __rcu *sched_scan_sdata; |
79f460ca | 1018 | |
df13cce5 | 1019 | unsigned long leave_oper_channel_time; |
977923b0 | 1020 | enum mac80211_scan_state next_scan_state; |
f0706e82 | 1021 | struct delayed_work scan_work; |
e2fd5dbc | 1022 | struct ieee80211_sub_if_data __rcu *scan_sdata; |
55de908a JB |
1023 | struct ieee80211_channel *csa_channel; |
1024 | /* For backward compatibility only -- do not use */ | |
1025 | struct ieee80211_channel *_oper_channel; | |
0aaffa9b | 1026 | enum nl80211_channel_type _oper_channel_type; |
f0706e82 | 1027 | |
b8bc4b0a JB |
1028 | /* Temporary remain-on-channel for off-channel operations */ |
1029 | struct ieee80211_channel *tmp_channel; | |
b8bc4b0a | 1030 | |
d01a1e65 MK |
1031 | /* channel contexts */ |
1032 | struct list_head chanctx_list; | |
1033 | struct mutex chanctx_mtx; | |
1034 | ||
f0706e82 JB |
1035 | /* SNMP counters */ |
1036 | /* dot11CountersTable */ | |
1037 | u32 dot11TransmittedFragmentCount; | |
1038 | u32 dot11MulticastTransmittedFrameCount; | |
1039 | u32 dot11FailedCount; | |
1040 | u32 dot11RetryCount; | |
1041 | u32 dot11MultipleRetryCount; | |
1042 | u32 dot11FrameDuplicateCount; | |
1043 | u32 dot11ReceivedFragmentCount; | |
1044 | u32 dot11MulticastReceivedFrameCount; | |
1045 | u32 dot11TransmittedFrameCount; | |
f0706e82 JB |
1046 | |
1047 | #ifdef CONFIG_MAC80211_LEDS | |
1048 | int tx_led_counter, rx_led_counter; | |
cdcb006f | 1049 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
e1e54068 | 1050 | struct tpt_led_trigger *tpt_led_trigger; |
cdcb006f ID |
1051 | char tx_led_name[32], rx_led_name[32], |
1052 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
1053 | #endif |
1054 | ||
f0706e82 JB |
1055 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
1056 | /* TX/RX handler statistics */ | |
1057 | unsigned int tx_handlers_drop; | |
1058 | unsigned int tx_handlers_queued; | |
1059 | unsigned int tx_handlers_drop_unencrypted; | |
1060 | unsigned int tx_handlers_drop_fragment; | |
1061 | unsigned int tx_handlers_drop_wep; | |
1062 | unsigned int tx_handlers_drop_not_assoc; | |
1063 | unsigned int tx_handlers_drop_unauth_port; | |
1064 | unsigned int rx_handlers_drop; | |
1065 | unsigned int rx_handlers_queued; | |
1066 | unsigned int rx_handlers_drop_nullfunc; | |
1067 | unsigned int rx_handlers_drop_defrag; | |
1068 | unsigned int rx_handlers_drop_short; | |
f0706e82 JB |
1069 | unsigned int tx_expand_skb_head; |
1070 | unsigned int tx_expand_skb_head_cloned; | |
1071 | unsigned int rx_expand_skb_head; | |
1072 | unsigned int rx_expand_skb_head2; | |
1073 | unsigned int rx_handlers_fragments; | |
1074 | unsigned int tx_status_drop; | |
f0706e82 JB |
1075 | #define I802_DEBUG_INC(c) (c)++ |
1076 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
1077 | #define I802_DEBUG_INC(c) do { } while (0) | |
1078 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
1079 | ||
1080 | ||
f0706e82 JB |
1081 | int total_ps_buffered; /* total number of all buffered unicast and |
1082 | * multicast packets for power saving stations | |
1083 | */ | |
520eb820 | 1084 | |
572e0012 | 1085 | bool pspolling; |
b203ffc3 | 1086 | bool offchannel_ps_enabled; |
965bedad JB |
1087 | /* |
1088 | * PS can only be enabled when we have exactly one managed | |
1089 | * interface (and monitors) in PS, this then points there. | |
1090 | */ | |
1091 | struct ieee80211_sub_if_data *ps_sdata; | |
520eb820 KV |
1092 | struct work_struct dynamic_ps_enable_work; |
1093 | struct work_struct dynamic_ps_disable_work; | |
1094 | struct timer_list dynamic_ps_timer; | |
10f644a4 | 1095 | struct notifier_block network_latency_notifier; |
2b2c009e | 1096 | struct notifier_block ifa_notifier; |
a65240c1 | 1097 | struct notifier_block ifa6_notifier; |
f0706e82 | 1098 | |
ff616381 JO |
1099 | /* |
1100 | * The dynamic ps timeout configured from user space via WEXT - | |
1101 | * this will override whatever chosen by mac80211 internally. | |
1102 | */ | |
1103 | int dynamic_ps_forced_timeout; | |
1104 | ||
1ea6f9c0 | 1105 | int user_power_level; /* in dBm, for all interfaces */ |
2bf30fab | 1106 | |
0f78231b JB |
1107 | enum ieee80211_smps_mode smps_mode; |
1108 | ||
f2753ddb JB |
1109 | struct work_struct restart_work; |
1110 | ||
e9f207f0 JB |
1111 | #ifdef CONFIG_MAC80211_DEBUGFS |
1112 | struct local_debugfsdentries { | |
4b7679a5 | 1113 | struct dentry *rcdir; |
e9f207f0 JB |
1114 | struct dentry *keys; |
1115 | } debugfs; | |
1116 | #endif | |
4e6cbfd0 | 1117 | |
2eb278e0 JB |
1118 | /* |
1119 | * Remain-on-channel support | |
1120 | */ | |
1121 | struct list_head roc_list; | |
21f83589 | 1122 | struct work_struct hw_roc_start, hw_roc_done; |
2eb278e0 | 1123 | unsigned long hw_roc_start_time; |
50febf6a | 1124 | u64 roc_cookie_counter; |
21f83589 | 1125 | |
a729cff8 JB |
1126 | struct idr ack_status_frames; |
1127 | spinlock_t ack_status_lock; | |
1128 | ||
f142c6b9 JB |
1129 | struct ieee80211_sub_if_data __rcu *p2p_sdata; |
1130 | ||
4b6f1dd6 JB |
1131 | /* virtual monitor interface */ |
1132 | struct ieee80211_sub_if_data __rcu *monitor_sdata; | |
4bf88530 | 1133 | struct cfg80211_chan_def monitor_chandef; |
f0706e82 JB |
1134 | }; |
1135 | ||
3e122be0 JB |
1136 | static inline struct ieee80211_sub_if_data * |
1137 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
1138 | { | |
3e122be0 JB |
1139 | return netdev_priv(dev); |
1140 | } | |
1141 | ||
71bbc994 JB |
1142 | static inline struct ieee80211_sub_if_data * |
1143 | IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) | |
1144 | { | |
1145 | return container_of(wdev, struct ieee80211_sub_if_data, wdev); | |
1146 | } | |
1147 | ||
c1475ca9 | 1148 | /* this struct represents 802.11n's RA/TID combination */ |
eadc8d9e RR |
1149 | struct ieee80211_ra_tid { |
1150 | u8 ra[ETH_ALEN]; | |
1151 | u16 tid; | |
1152 | }; | |
1153 | ||
dd76986b JB |
1154 | /* Parsed Information Elements */ |
1155 | struct ieee802_11_elems { | |
4a3cb702 | 1156 | const u8 *ie_start; |
dd76986b JB |
1157 | size_t total_len; |
1158 | ||
1159 | /* pointers to IEs */ | |
4a3cb702 JB |
1160 | const u8 *ssid; |
1161 | const u8 *supp_rates; | |
1162 | const u8 *fh_params; | |
1163 | const u8 *ds_params; | |
1164 | const u8 *cf_params; | |
1165 | const struct ieee80211_tim_ie *tim; | |
1166 | const u8 *ibss_params; | |
1167 | const u8 *challenge; | |
1168 | const u8 *rsn; | |
1169 | const u8 *erp_info; | |
1170 | const u8 *ext_supp_rates; | |
1171 | const u8 *wmm_info; | |
1172 | const u8 *wmm_param; | |
1173 | const struct ieee80211_ht_cap *ht_cap_elem; | |
1174 | const struct ieee80211_ht_operation *ht_operation; | |
1175 | const struct ieee80211_vht_cap *vht_cap_elem; | |
1176 | const struct ieee80211_vht_operation *vht_operation; | |
1177 | const struct ieee80211_meshconf_ie *mesh_config; | |
1178 | const u8 *mesh_id; | |
1179 | const u8 *peering; | |
1180 | const __le16 *awake_window; | |
1181 | const u8 *preq; | |
1182 | const u8 *prep; | |
1183 | const u8 *perr; | |
1184 | const struct ieee80211_rann_ie *rann; | |
1185 | const struct ieee80211_channel_sw_ie *ch_switch_ie; | |
1186 | const u8 *country_elem; | |
1187 | const u8 *pwr_constr_elem; | |
1188 | const u8 *quiet_elem; /* first quite element */ | |
1189 | const u8 *timeout_int; | |
1190 | const u8 *opmode_notif; | |
dd76986b JB |
1191 | |
1192 | /* length of them, respectively */ | |
1193 | u8 ssid_len; | |
1194 | u8 supp_rates_len; | |
1195 | u8 fh_params_len; | |
1196 | u8 ds_params_len; | |
1197 | u8 cf_params_len; | |
1198 | u8 tim_len; | |
1199 | u8 ibss_params_len; | |
1200 | u8 challenge_len; | |
dd76986b JB |
1201 | u8 rsn_len; |
1202 | u8 erp_info_len; | |
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; |
dd76986b JB |
1212 | u8 quiet_elem_len; |
1213 | u8 num_of_quiet_elem; /* can be more the one */ | |
1214 | u8 timeout_int_len; | |
fcff4f10 PS |
1215 | |
1216 | /* whether a parse error occurred while retrieving these elements */ | |
1217 | bool parse_error; | |
dd76986b JB |
1218 | }; |
1219 | ||
f0706e82 JB |
1220 | static inline struct ieee80211_local *hw_to_local( |
1221 | struct ieee80211_hw *hw) | |
1222 | { | |
1223 | return container_of(hw, struct ieee80211_local, hw); | |
1224 | } | |
1225 | ||
f0706e82 | 1226 | |
571ecf67 JB |
1227 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
1228 | { | |
b203ca39 | 1229 | return ether_addr_equal(raddr, addr) || |
571ecf67 JB |
1230 | is_broadcast_ether_addr(raddr); |
1231 | } | |
1232 | ||
f4bda337 TP |
1233 | static inline bool |
1234 | ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) | |
1235 | { | |
1236 | WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START && | |
1237 | status->flag & RX_FLAG_MACTIME_END); | |
1238 | return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END); | |
1239 | } | |
571ecf67 | 1240 | |
f4bda337 TP |
1241 | u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local, |
1242 | struct ieee80211_rx_status *status, | |
1243 | unsigned int mpdu_len, | |
1244 | unsigned int mpdu_offset); | |
e8975581 | 1245 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
5cf121c3 | 1246 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
9c6bd790 JB |
1247 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
1248 | u32 changed); | |
0d143fe1 | 1249 | void ieee80211_configure_filter(struct ieee80211_local *local); |
46900298 | 1250 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
f0706e82 | 1251 | |
46900298 | 1252 | /* STA code */ |
9c6bd790 | 1253 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
77fdaa12 JB |
1254 | int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, |
1255 | struct cfg80211_auth_request *req); | |
1256 | int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, | |
1257 | struct cfg80211_assoc_request *req); | |
1258 | int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, | |
63c9c5e7 | 1259 | struct cfg80211_deauth_request *req); |
77fdaa12 | 1260 | int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, |
63c9c5e7 | 1261 | struct cfg80211_disassoc_request *req); |
572e0012 KV |
1262 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
1263 | struct ieee80211_sub_if_data *sdata); | |
10f644a4 | 1264 | void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); |
ab095877 | 1265 | void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); |
10f644a4 JB |
1266 | int ieee80211_max_network_latency(struct notifier_block *nb, |
1267 | unsigned long data, void *dummy); | |
2b2c009e | 1268 | int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); |
4a3cb702 JB |
1269 | void |
1270 | ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, | |
1271 | const struct ieee80211_channel_sw_ie *sw_elem, | |
1272 | struct ieee80211_bss *bss, u64 timestamp); | |
1fa57d01 JB |
1273 | void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); |
1274 | void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1275 | struct sk_buff *skb); | |
d3a910a8 | 1276 | void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); |
be099e82 | 1277 | void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); |
afa762f6 | 1278 | void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); |
1672c0e3 JB |
1279 | void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata, |
1280 | __le16 fc, bool acked); | |
9c6bd790 | 1281 | |
46900298 | 1282 | /* IBSS code */ |
46900298 JB |
1283 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); |
1284 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
8bf11d8d JB |
1285 | void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, |
1286 | const u8 *bssid, const u8 *addr, u32 supp_rates); | |
af8cdcd8 JB |
1287 | int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, |
1288 | struct cfg80211_ibss_params *params); | |
1289 | int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); | |
1fa57d01 JB |
1290 | void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); |
1291 | void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1292 | struct sk_buff *skb); | |
1293 | ||
1294 | /* mesh code */ | |
1295 | void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); | |
1296 | void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1297 | struct sk_buff *skb); | |
46900298 | 1298 | |
9c6bd790 | 1299 | /* scan/BSS handling */ |
46900298 | 1300 | void ieee80211_scan_work(struct work_struct *work); |
34bcf715 SG |
1301 | int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, |
1302 | const u8 *ssid, u8 ssid_len, | |
1303 | struct ieee80211_channel *chan); | |
c2b13452 | 1304 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
2a519311 | 1305 | struct cfg80211_scan_request *req); |
5bb644a0 | 1306 | void ieee80211_scan_cancel(struct ieee80211_local *local); |
133d40f9 | 1307 | void ieee80211_run_deferred_scan(struct ieee80211_local *local); |
d48b2968 | 1308 | void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); |
9c6bd790 | 1309 | |
0a51b27e | 1310 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
c2b13452 | 1311 | struct ieee80211_bss * |
98c8fccf JB |
1312 | ieee80211_bss_info_update(struct ieee80211_local *local, |
1313 | struct ieee80211_rx_status *rx_status, | |
1314 | struct ieee80211_mgmt *mgmt, | |
1315 | size_t len, | |
1316 | struct ieee802_11_elems *elems, | |
d45c4172 | 1317 | struct ieee80211_channel *channel); |
98c8fccf | 1318 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 1319 | struct ieee80211_bss *bss); |
ee385855 | 1320 | |
79f460ca LC |
1321 | /* scheduled scan handling */ |
1322 | int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, | |
1323 | struct cfg80211_sched_scan_request *req); | |
85a9994a LC |
1324 | int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); |
1325 | void ieee80211_sched_scan_stopped_work(struct work_struct *work); | |
79f460ca | 1326 | |
b203ffc3 | 1327 | /* off-channel helpers */ |
aacde9ee SG |
1328 | void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local); |
1329 | void ieee80211_offchannel_return(struct ieee80211_local *local); | |
2eb278e0 JB |
1330 | void ieee80211_roc_setup(struct ieee80211_local *local); |
1331 | void ieee80211_start_next_roc(struct ieee80211_local *local); | |
1332 | void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata); | |
1333 | void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc); | |
1334 | void ieee80211_sw_roc_work(struct work_struct *work); | |
1335 | void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); | |
b203ffc3 | 1336 | |
3e122be0 | 1337 | /* interface handling */ |
47846c9b JB |
1338 | int ieee80211_iface_init(void); |
1339 | void ieee80211_iface_exit(void); | |
3e122be0 | 1340 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
84efbb84 | 1341 | struct wireless_dev **new_wdev, enum nl80211_iftype type, |
ee385855 | 1342 | struct vif_params *params); |
f3947e2d | 1343 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
05c914fe | 1344 | enum nl80211_iftype type); |
f698d856 | 1345 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 1346 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
5cff20e6 | 1347 | void ieee80211_recalc_idle(struct ieee80211_local *local); |
85416a4f CL |
1348 | void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, |
1349 | const int offset); | |
f142c6b9 JB |
1350 | int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); |
1351 | void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); | |
f0706e82 | 1352 | |
1ea6f9c0 JB |
1353 | bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); |
1354 | void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata); | |
1355 | ||
9607e6b6 JB |
1356 | static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) |
1357 | { | |
34d4bc4d | 1358 | return test_bit(SDATA_STATE_RUNNING, &sdata->state); |
9607e6b6 JB |
1359 | } |
1360 | ||
e2ebc74d | 1361 | /* tx handling */ |
e2ebc74d JB |
1362 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
1363 | void ieee80211_tx_pending(unsigned long data); | |
d0cf9c0d SH |
1364 | netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, |
1365 | struct net_device *dev); | |
1366 | netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, | |
1367 | struct net_device *dev); | |
1f98ab7f FF |
1368 | void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, |
1369 | struct sk_buff_head *skbs); | |
e2ebc74d | 1370 | |
de1ede7a | 1371 | /* HT */ |
ef96a842 BG |
1372 | void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, |
1373 | struct ieee80211_sta_ht_cap *ht_cap); | |
e1a0c6b3 | 1374 | bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, |
ef96a842 | 1375 | struct ieee80211_supported_band *sband, |
4a3cb702 | 1376 | const struct ieee80211_ht_cap *ht_cap_ie, |
e1a0c6b3 | 1377 | struct sta_info *sta); |
b8695a8f JB |
1378 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
1379 | const u8 *da, u16 tid, | |
1380 | u16 initiator, u16 reason_code); | |
0f78231b JB |
1381 | int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, |
1382 | enum ieee80211_smps_mode smps, const u8 *da, | |
1383 | const u8 *bssid); | |
d1f5b7a3 | 1384 | void ieee80211_request_smps_work(struct work_struct *work); |
de1ede7a | 1385 | |
7c3b1dd8 | 1386 | void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 | 1387 | u16 initiator, u16 reason, bool stop); |
849b7967 | 1388 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 | 1389 | u16 initiator, u16 reason, bool stop); |
c82c4a80 JB |
1390 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, |
1391 | enum ieee80211_agg_stop_reason reason); | |
de1ede7a JB |
1392 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
1393 | struct sta_info *sta, | |
1394 | struct ieee80211_mgmt *mgmt, size_t len); | |
1395 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
1396 | struct sta_info *sta, | |
1397 | struct ieee80211_mgmt *mgmt, | |
1398 | size_t len); | |
1399 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
1400 | struct sta_info *sta, | |
1401 | struct ieee80211_mgmt *mgmt, | |
1402 | size_t len); | |
1403 | ||
849b7967 | 1404 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
c82c4a80 | 1405 | enum ieee80211_agg_stop_reason reason); |
67c282c0 | 1406 | int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
c82c4a80 | 1407 | enum ieee80211_agg_stop_reason reason); |
5d22c89b JB |
1408 | void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); |
1409 | void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); | |
67c282c0 JB |
1410 | void ieee80211_ba_session_work(struct work_struct *work); |
1411 | void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); | |
2bff8ebf | 1412 | void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); |
849b7967 | 1413 | |
04ecd257 JB |
1414 | u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); |
1415 | ||
818255ea | 1416 | /* VHT */ |
4a3cb702 JB |
1417 | void |
1418 | ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, | |
1419 | struct ieee80211_supported_band *sband, | |
1420 | const struct ieee80211_vht_cap *vht_cap_ie, | |
1421 | struct sta_info *sta); | |
e1a0c6b3 | 1422 | enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta); |
8921d04e | 1423 | void ieee80211_sta_set_rx_nss(struct sta_info *sta); |
0af83d3d JB |
1424 | void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata, |
1425 | struct sta_info *sta, u8 opmode, | |
bee7f586 | 1426 | enum ieee80211_band band, bool nss_only); |
dd5ecfea JB |
1427 | void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata, |
1428 | struct ieee80211_sta_vht_cap *vht_cap); | |
4a34215e | 1429 | |
39192c0b JB |
1430 | /* Spectrum management */ |
1431 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
1432 | struct ieee80211_mgmt *mgmt, | |
1433 | size_t len); | |
1434 | ||
f2753ddb JB |
1435 | /* Suspend/resume and hw reconfiguration */ |
1436 | int ieee80211_reconfig(struct ieee80211_local *local); | |
84f6a01c | 1437 | void ieee80211_stop_device(struct ieee80211_local *local); |
f2753ddb | 1438 | |
eecc4800 JB |
1439 | int __ieee80211_suspend(struct ieee80211_hw *hw, |
1440 | struct cfg80211_wowlan *wowlan); | |
f2753ddb JB |
1441 | |
1442 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) | |
1443 | { | |
85f72bc8 JL |
1444 | struct ieee80211_local *local = hw_to_local(hw); |
1445 | ||
1446 | WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), | |
1447 | "%s: resume with hardware scan still in progress\n", | |
1448 | wiphy_name(hw->wiphy)); | |
1449 | ||
f2753ddb JB |
1450 | return ieee80211_reconfig(hw_to_local(hw)); |
1451 | } | |
665af4fc | 1452 | |
c2d1560a JB |
1453 | /* utility functions/constants */ |
1454 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
71364716 | 1455 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
05c914fe | 1456 | enum nl80211_iftype type); |
4ee73f33 | 1457 | int ieee80211_frame_duration(enum ieee80211_band band, size_t len, |
c2d1560a | 1458 | int rate, int erp, int short_preamble); |
f698d856 | 1459 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
e6d6e342 JB |
1460 | struct ieee80211_hdr *hdr, const u8 *tsc, |
1461 | gfp_t gfp); | |
3abead59 JB |
1462 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, |
1463 | bool bss_notify); | |
55de908a JB |
1464 | void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
1465 | enum ieee80211_band band); | |
1466 | ||
1467 | void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, | |
1468 | struct sk_buff *skb, int tid, | |
1469 | enum ieee80211_band band); | |
1470 | ||
1471 | static inline void | |
1472 | ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, | |
1473 | struct sk_buff *skb, int tid, | |
1474 | enum ieee80211_band band) | |
1475 | { | |
1476 | rcu_read_lock(); | |
1477 | __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); | |
1478 | rcu_read_unlock(); | |
1479 | } | |
cf6bb79a | 1480 | |
55de908a JB |
1481 | static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, |
1482 | struct sk_buff *skb, int tid) | |
1483 | { | |
1484 | struct ieee80211_chanctx_conf *chanctx_conf; | |
1485 | ||
1486 | rcu_read_lock(); | |
1487 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
1488 | if (WARN_ON(!chanctx_conf)) { | |
1489 | rcu_read_unlock(); | |
1490 | kfree_skb(skb); | |
1491 | return; | |
1492 | } | |
1493 | ||
1494 | __ieee80211_tx_skb_tid_band(sdata, skb, tid, | |
4bf88530 | 1495 | chanctx_conf->def.chan->band); |
55de908a JB |
1496 | rcu_read_unlock(); |
1497 | } | |
1498 | ||
1499 | static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, | |
cf6bb79a HS |
1500 | struct sk_buff *skb) |
1501 | { | |
1502 | /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ | |
1503 | ieee80211_tx_skb_tid(sdata, skb, 7); | |
1504 | } | |
1505 | ||
9c6bd790 JB |
1506 | void ieee802_11_parse_elems(u8 *start, size_t len, |
1507 | struct ieee802_11_elems *elems); | |
d91f36db JB |
1508 | u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, |
1509 | struct ieee802_11_elems *elems, | |
1510 | u64 filter, u32 crc); | |
881d948c | 1511 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
96dd22ac | 1512 | enum ieee80211_band band); |
f0706e82 | 1513 | |
520eb820 KV |
1514 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
1515 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); | |
1516 | void ieee80211_dynamic_ps_timer(unsigned long data); | |
a97b77b9 VN |
1517 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
1518 | struct ieee80211_sub_if_data *sdata, | |
1519 | int powersave); | |
3cf335d5 KV |
1520 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
1521 | struct ieee80211_hdr *hdr); | |
4e5ff376 | 1522 | void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, |
04ac3c0e | 1523 | struct ieee80211_hdr *hdr, bool ack); |
520eb820 | 1524 | |
ce7c9111 | 1525 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
445ea4e8 | 1526 | unsigned long queues, |
ce7c9111 KV |
1527 | enum queue_stop_reason reason); |
1528 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, | |
445ea4e8 | 1529 | unsigned long queues, |
ce7c9111 | 1530 | enum queue_stop_reason reason); |
96f5e66e JB |
1531 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
1532 | enum queue_stop_reason reason); | |
1533 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, | |
1534 | enum queue_stop_reason reason); | |
3a25a8c8 | 1535 | void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue); |
8f77f384 JB |
1536 | void ieee80211_add_pending_skb(struct ieee80211_local *local, |
1537 | struct sk_buff *skb); | |
b0b97a8a JB |
1538 | void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, |
1539 | struct sk_buff_head *skbs, | |
1540 | void (*fn)(void *data), void *data); | |
78307daa JB |
1541 | static inline void ieee80211_add_pending_skbs(struct ieee80211_local *local, |
1542 | struct sk_buff_head *skbs) | |
1543 | { | |
1544 | ieee80211_add_pending_skbs_fn(local, skbs, NULL, NULL); | |
1545 | } | |
39ecc01d JB |
1546 | void ieee80211_flush_queues(struct ieee80211_local *local, |
1547 | struct ieee80211_sub_if_data *sdata); | |
ce7c9111 | 1548 | |
46900298 | 1549 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
700e8ea6 | 1550 | u16 transaction, u16 auth_alg, u16 status, |
4a3cb702 | 1551 | const u8 *extra, size_t extra_len, const u8 *bssid, |
1672c0e3 JB |
1552 | const u8 *da, const u8 *key, u8 key_len, u8 key_idx, |
1553 | u32 tx_flags); | |
6ae16775 AQ |
1554 | void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, |
1555 | const u8 *bssid, u16 stype, u16 reason, | |
1556 | bool send_frame, u8 *frame_buf); | |
de95a54b | 1557 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
c604b9f2 | 1558 | size_t buffer_len, const u8 *ie, size_t ie_len, |
651b5225 JM |
1559 | enum ieee80211_band band, u32 rate_mask, |
1560 | u8 channel); | |
a619a4c0 | 1561 | struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, |
85a237fe | 1562 | u8 *dst, u32 ratemask, |
6b77863b | 1563 | struct ieee80211_channel *chan, |
a619a4c0 | 1564 | const u8 *ssid, size_t ssid_len, |
a806c558 PS |
1565 | const u8 *ie, size_t ie_len, |
1566 | bool directed); | |
46900298 | 1567 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
de95a54b | 1568 | const u8 *ssid, size_t ssid_len, |
a806c558 | 1569 | const u8 *ie, size_t ie_len, |
1672c0e3 | 1570 | u32 ratemask, bool directed, u32 tx_flags, |
55de908a | 1571 | struct ieee80211_channel *channel, bool scan); |
46900298 JB |
1572 | |
1573 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, | |
1574 | const size_t supp_rates_len, | |
1575 | const u8 *supp_rates); | |
1576 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, | |
1577 | struct ieee802_11_elems *elems, | |
9ebb61a2 | 1578 | enum ieee80211_band band, u32 *basic_rates); |
0f78231b JB |
1579 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1580 | enum ieee80211_smps_mode smps_mode); | |
04ecd257 | 1581 | void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); |
46900298 | 1582 | |
8e664fb3 JB |
1583 | size_t ieee80211_ie_split(const u8 *ies, size_t ielen, |
1584 | const u8 *ids, int n_ids, size_t offset); | |
1585 | size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); | |
ef96a842 | 1586 | u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, |
42e7aa77 | 1587 | u16 cap); |
074d46d1 | 1588 | u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, |
4bf88530 | 1589 | const struct cfg80211_chan_def *chandef, |
431e3154 | 1590 | u16 prot_mode); |
ba0afa2f MP |
1591 | u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, |
1592 | u32 cap); | |
fc8a7321 | 1593 | int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, |
6b77863b JB |
1594 | struct sk_buff *skb, bool need_basic, |
1595 | enum ieee80211_band band); | |
fc8a7321 | 1596 | int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, |
6b77863b JB |
1597 | struct sk_buff *skb, bool need_basic, |
1598 | enum ieee80211_band band); | |
8e664fb3 | 1599 | |
f444de05 | 1600 | /* channel management */ |
4bf88530 | 1601 | void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan, |
4a3cb702 | 1602 | const struct ieee80211_ht_operation *ht_oper, |
4bf88530 | 1603 | struct cfg80211_chan_def *chandef); |
f444de05 | 1604 | |
d01a1e65 MK |
1605 | int __must_check |
1606 | ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, | |
4bf88530 | 1607 | const struct cfg80211_chan_def *chandef, |
d01a1e65 | 1608 | enum ieee80211_chanctx_mode mode); |
2c9b7359 JB |
1609 | int __must_check |
1610 | ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata, | |
1611 | const struct cfg80211_chan_def *chandef, | |
1612 | u32 *changed); | |
d01a1e65 | 1613 | void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); |
4d76d21b | 1614 | void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata); |
1f4ac5a6 JB |
1615 | void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata, |
1616 | bool clear); | |
d01a1e65 | 1617 | |
04ecd257 JB |
1618 | void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, |
1619 | struct ieee80211_chanctx *chanctx); | |
164eb02d SW |
1620 | void ieee80211_recalc_radar_chanctx(struct ieee80211_local *local, |
1621 | struct ieee80211_chanctx *chanctx); | |
1622 | ||
1623 | void ieee80211_dfs_cac_timer(unsigned long data); | |
1624 | void ieee80211_dfs_cac_timer_work(struct work_struct *work); | |
1625 | void ieee80211_dfs_cac_cancel(struct ieee80211_local *local); | |
1626 | void ieee80211_dfs_radar_detected_work(struct work_struct *work); | |
04ecd257 | 1627 | |
f4ea83dd | 1628 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1629 | #define debug_noinline noinline |
1630 | #else | |
1631 | #define debug_noinline | |
1632 | #endif | |
1633 | ||
f0706e82 | 1634 | #endif /* IEEE80211_I_H */ |