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Commit | Line | Data |
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f0706e82 JB |
1 | /* |
2 | * Copyright 2002-2005, Instant802 Networks, Inc. | |
3 | * Copyright 2005, Devicescape Software, Inc. | |
4 | * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> | |
026331c4 | 5 | * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> |
f0706e82 JB |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #ifndef IEEE80211_I_H | |
13 | #define IEEE80211_I_H | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/device.h> | |
17 | #include <linux/if_ether.h> | |
18 | #include <linux/interrupt.h> | |
19 | #include <linux/list.h> | |
20 | #include <linux/netdevice.h> | |
21 | #include <linux/skbuff.h> | |
22 | #include <linux/workqueue.h> | |
23 | #include <linux/types.h> | |
24 | #include <linux/spinlock.h> | |
571ecf67 | 25 | #include <linux/etherdevice.h> |
e1e54068 | 26 | #include <linux/leds.h> |
a729cff8 | 27 | #include <linux/idr.h> |
fe7a5d5c | 28 | #include <net/ieee80211_radiotap.h> |
93da9cc1 | 29 | #include <net/cfg80211.h> |
51cb6db0 | 30 | #include <net/mac80211.h> |
2c8dccc7 | 31 | #include "key.h" |
f0706e82 | 32 | #include "sta_info.h" |
bdcbd8e0 | 33 | #include "debug.h" |
f0706e82 | 34 | |
9cfb0009 | 35 | struct ieee80211_local; |
f0706e82 JB |
36 | |
37 | /* Maximum number of broadcast/multicast frames to buffer when some of the | |
38 | * associated stations are using power saving. */ | |
39 | #define AP_MAX_BC_BUFFER 128 | |
40 | ||
41 | /* Maximum number of frames buffered to all STAs, including multicast frames. | |
42 | * Note: increasing this limit increases the potential memory requirement. Each | |
43 | * frame can be up to about 2 kB long. */ | |
44 | #define TOTAL_MAX_TX_BUFFER 512 | |
45 | ||
46 | /* Required encryption head and tailroom */ | |
47 | #define IEEE80211_ENCRYPT_HEADROOM 8 | |
765cb46a | 48 | #define IEEE80211_ENCRYPT_TAILROOM 18 |
f0706e82 JB |
49 | |
50 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent | |
51 | * reception of at least three fragmented frames. This limit can be increased | |
52 | * by changing this define, at the cost of slower frame reassembly and | |
53 | * increased memory use (about 2 kB of RAM per entry). */ | |
54 | #define IEEE80211_FRAGMENT_MAX 4 | |
55 | ||
12d3952f FF |
56 | #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) |
57 | #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) | |
20ad19d0 | 58 | |
d6a4ed6f AN |
59 | /* |
60 | * Some APs experience problems when working with U-APSD. Decrease the | |
61 | * probability of that happening by using legacy mode for all ACs but VO. | |
62 | * The AP that caused us trouble was a Cisco 4410N. It ignores our | |
63 | * setting, and always treats non-VO ACs as legacy. | |
64 | */ | |
ab13315a | 65 | #define IEEE80211_DEFAULT_UAPSD_QUEUES \ |
d6a4ed6f | 66 | IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |
ab13315a KV |
67 | |
68 | #define IEEE80211_DEFAULT_MAX_SP_LEN \ | |
69 | IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL | |
70 | ||
6ae16775 AQ |
71 | #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */) |
72 | ||
f0706e82 JB |
73 | struct ieee80211_fragment_entry { |
74 | unsigned long first_frag_time; | |
75 | unsigned int seq; | |
76 | unsigned int rx_queue; | |
77 | unsigned int last_frag; | |
78 | unsigned int extra_len; | |
79 | struct sk_buff_head skb_list; | |
80 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
81 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
82 | }; | |
83 | ||
84 | ||
c2b13452 | 85 | struct ieee80211_bss { |
00d3f14c JB |
86 | /* don't want to look up all the time */ |
87 | size_t ssid_len; | |
f0706e82 | 88 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
00d3f14c | 89 | |
8c358bcd JB |
90 | u32 device_ts; |
91 | ||
98f7dfd8 | 92 | u8 dtim_period; |
00d3f14c | 93 | |
43ac2ca3 | 94 | bool wmm_used; |
ab13315a | 95 | bool uapsd_supported; |
00d3f14c JB |
96 | |
97 | unsigned long last_probe_resp; | |
98 | ||
ee385855 LCC |
99 | #ifdef CONFIG_MAC80211_MESH |
100 | u8 *mesh_id; | |
101 | size_t mesh_id_len; | |
24736701 | 102 | u8 *mesh_cfg; |
902acc78 | 103 | #endif |
00d3f14c | 104 | |
f0706e82 JB |
105 | #define IEEE80211_MAX_SUPP_RATES 32 |
106 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
107 | size_t supp_rates_len; | |
f0706e82 | 108 | |
00d3f14c | 109 | /* |
25985edc | 110 | * During association, we save an ERP value from a probe response so |
5628221c DD |
111 | * that we can feed ERP info to the driver when handling the |
112 | * association completes. these fields probably won't be up-to-date | |
00d3f14c JB |
113 | * otherwise, you probably don't want to use them. |
114 | */ | |
115 | bool has_erp_value; | |
5628221c | 116 | u8 erp_value; |
fcff4f10 PS |
117 | |
118 | /* Keep track of the corruption of the last beacon/probe response. */ | |
119 | u8 corrupt_data; | |
120 | ||
121 | /* Keep track of what bits of information we have valid info for. */ | |
122 | u8 valid_data; | |
123 | }; | |
124 | ||
125 | /** | |
126 | * enum ieee80211_corrupt_data_flags - BSS data corruption flags | |
127 | * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted | |
128 | * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted | |
129 | * | |
130 | * These are bss flags that are attached to a bss in the | |
131 | * @corrupt_data field of &struct ieee80211_bss. | |
132 | */ | |
133 | enum ieee80211_bss_corrupt_data_flags { | |
134 | IEEE80211_BSS_CORRUPT_BEACON = BIT(0), | |
135 | IEEE80211_BSS_CORRUPT_PROBE_RESP = BIT(1) | |
136 | }; | |
137 | ||
138 | /** | |
139 | * enum ieee80211_valid_data_flags - BSS valid data flags | |
140 | * @IEEE80211_BSS_VALID_DTIM: DTIM data was gathered from non-corrupt IE | |
141 | * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE | |
142 | * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE | |
143 | * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE | |
144 | * | |
145 | * These are bss flags that are attached to a bss in the | |
146 | * @valid_data field of &struct ieee80211_bss. They show which parts | |
147 | * of the data structure were recieved as a result of an un-corrupted | |
148 | * beacon/probe response. | |
149 | */ | |
150 | enum ieee80211_bss_valid_data_flags { | |
151 | IEEE80211_BSS_VALID_DTIM = BIT(0), | |
152 | IEEE80211_BSS_VALID_WMM = BIT(1), | |
153 | IEEE80211_BSS_VALID_RATES = BIT(2), | |
154 | IEEE80211_BSS_VALID_ERP = BIT(3) | |
f0706e82 JB |
155 | }; |
156 | ||
c2b13452 | 157 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
902acc78 JB |
158 | { |
159 | #ifdef CONFIG_MAC80211_MESH | |
160 | return bss->mesh_cfg; | |
161 | #endif | |
162 | return NULL; | |
163 | } | |
164 | ||
c2b13452 | 165 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
902acc78 JB |
166 | { |
167 | #ifdef CONFIG_MAC80211_MESH | |
168 | return bss->mesh_id; | |
169 | #endif | |
170 | return NULL; | |
171 | } | |
172 | ||
c2b13452 | 173 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
902acc78 JB |
174 | { |
175 | #ifdef CONFIG_MAC80211_MESH | |
176 | return bss->mesh_id_len; | |
177 | #endif | |
178 | return 0; | |
179 | } | |
180 | ||
f0706e82 | 181 | |
9ae54c84 JB |
182 | typedef unsigned __bitwise__ ieee80211_tx_result; |
183 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
184 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
185 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
186 | ||
5cf121c3 JB |
187 | #define IEEE80211_TX_UNICAST BIT(1) |
188 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
5cf121c3 JB |
189 | |
190 | struct ieee80211_tx_data { | |
191 | struct sk_buff *skb; | |
252b86c4 | 192 | struct sk_buff_head skbs; |
5cf121c3 JB |
193 | struct ieee80211_local *local; |
194 | struct ieee80211_sub_if_data *sdata; | |
195 | struct sta_info *sta; | |
5cf121c3 | 196 | struct ieee80211_key *key; |
5cf121c3 | 197 | |
056cdd59 | 198 | unsigned int flags; |
5cf121c3 JB |
199 | }; |
200 | ||
201 | ||
9ae54c84 | 202 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
203 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
204 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
205 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
206 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 207 | |
554891e6 JB |
208 | /** |
209 | * enum ieee80211_packet_rx_flags - packet RX flags | |
210 | * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed | |
211 | * (incl. multicast frames) | |
554891e6 JB |
212 | * @IEEE80211_RX_FRAGMENTED: fragmented frame |
213 | * @IEEE80211_RX_AMSDU: a-MSDU packet | |
214 | * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed | |
4cfda47b | 215 | * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering |
554891e6 JB |
216 | * |
217 | * These are per-frame flags that are attached to a frame in the | |
218 | * @rx_flags field of &struct ieee80211_rx_status. | |
219 | */ | |
220 | enum ieee80211_packet_rx_flags { | |
554891e6 JB |
221 | IEEE80211_RX_RA_MATCH = BIT(1), |
222 | IEEE80211_RX_FRAGMENTED = BIT(2), | |
223 | IEEE80211_RX_AMSDU = BIT(3), | |
224 | IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4), | |
4cfda47b | 225 | IEEE80211_RX_DEFERRED_RELEASE = BIT(5), |
554891e6 JB |
226 | }; |
227 | ||
228 | /** | |
229 | * enum ieee80211_rx_flags - RX data flags | |
230 | * | |
231 | * @IEEE80211_RX_CMNTR: received on cooked monitor already | |
ee971924 JB |
232 | * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported |
233 | * to cfg80211_report_obss_beacon(). | |
554891e6 JB |
234 | * |
235 | * These flags are used across handling multiple interfaces | |
236 | * for a single frame. | |
237 | */ | |
238 | enum ieee80211_rx_flags { | |
239 | IEEE80211_RX_CMNTR = BIT(0), | |
ee971924 | 240 | IEEE80211_RX_BEACON_REPORTED = BIT(1), |
554891e6 | 241 | }; |
5cf121c3 JB |
242 | |
243 | struct ieee80211_rx_data { | |
f0706e82 | 244 | struct sk_buff *skb; |
f0706e82 JB |
245 | struct ieee80211_local *local; |
246 | struct ieee80211_sub_if_data *sdata; | |
247 | struct sta_info *sta; | |
f0706e82 | 248 | struct ieee80211_key *key; |
056cdd59 | 249 | |
056cdd59 | 250 | unsigned int flags; |
9e26297a JB |
251 | |
252 | /* | |
253 | * Index into sequence numbers array, 0..16 | |
254 | * since the last (16) is used for non-QoS, | |
255 | * will be 16 on non-QoS frames. | |
256 | */ | |
257 | int seqno_idx; | |
258 | ||
259 | /* | |
260 | * Index into the security IV/PN arrays, 0..16 | |
261 | * since the last (16) is used for CCMP-encrypted | |
262 | * management frames, will be set to 16 on mgmt | |
263 | * frames and 0 on non-QoS frames. | |
264 | */ | |
265 | int security_idx; | |
266 | ||
5cf121c3 JB |
267 | u32 tkip_iv32; |
268 | u16 tkip_iv16; | |
f0706e82 JB |
269 | }; |
270 | ||
5dfdaf58 JB |
271 | struct beacon_data { |
272 | u8 *head, *tail; | |
273 | int head_len, tail_len; | |
8860020e | 274 | struct rcu_head rcu_head; |
5dfdaf58 JB |
275 | }; |
276 | ||
aa7a0080 ES |
277 | struct probe_resp { |
278 | struct rcu_head rcu_head; | |
279 | int len; | |
280 | u8 data[0]; | |
281 | }; | |
282 | ||
d012a605 | 283 | struct ps_data { |
f0706e82 JB |
284 | /* yes, this looks ugly, but guarantees that we can later use |
285 | * bitmap_empty :) | |
004c872e | 286 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 287 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
d012a605 | 288 | struct sk_buff_head bc_buf; |
056cdd59 | 289 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 290 | int dtim_count; |
512119b3 | 291 | bool dtim_bc_mc; |
f0706e82 JB |
292 | }; |
293 | ||
d012a605 MP |
294 | struct ieee80211_if_ap { |
295 | struct beacon_data __rcu *beacon; | |
296 | struct probe_resp __rcu *probe_resp; | |
297 | ||
298 | struct list_head vlans; | |
299 | ||
300 | struct ps_data ps; | |
301 | atomic_t num_mcast_sta; /* number of stations receiving multicast */ | |
302 | }; | |
303 | ||
f0706e82 | 304 | struct ieee80211_if_wds { |
f0706e82 | 305 | struct sta_info *sta; |
056cdd59 | 306 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
307 | }; |
308 | ||
309 | struct ieee80211_if_vlan { | |
0ec3ca44 | 310 | struct list_head list; |
f14543ee FF |
311 | |
312 | /* used for all tx if the VLAN is configured to 4-addr mode */ | |
40b275b6 | 313 | struct sta_info __rcu *sta; |
f0706e82 JB |
314 | }; |
315 | ||
ee385855 | 316 | struct mesh_stats { |
c8a61a7d DW |
317 | __u32 fwded_mcast; /* Mesh forwarded multicast frames */ |
318 | __u32 fwded_unicast; /* Mesh forwarded unicast frames */ | |
319 | __u32 fwded_frames; /* Mesh total forwarded frames */ | |
ee385855 LCC |
320 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
321 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
cfee66b0 | 322 | __u32 dropped_frames_congestion;/* Not forwarded due to congestion */ |
ee385855 LCC |
323 | }; |
324 | ||
325 | #define PREQ_Q_F_START 0x1 | |
326 | #define PREQ_Q_F_REFRESH 0x2 | |
327 | struct mesh_preq_queue { | |
328 | struct list_head list; | |
329 | u8 dst[ETH_ALEN]; | |
330 | u8 flags; | |
331 | }; | |
332 | ||
2eb278e0 JB |
333 | #if HZ/100 == 0 |
334 | #define IEEE80211_ROC_MIN_LEFT 1 | |
335 | #else | |
336 | #define IEEE80211_ROC_MIN_LEFT (HZ/100) | |
337 | #endif | |
af6b6374 | 338 | |
2eb278e0 | 339 | struct ieee80211_roc_work { |
77fdaa12 | 340 | struct list_head list; |
2eb278e0 | 341 | struct list_head dependents; |
77fdaa12 | 342 | |
2eb278e0 | 343 | struct delayed_work work; |
af6b6374 JB |
344 | |
345 | struct ieee80211_sub_if_data *sdata; | |
346 | ||
f679f65d | 347 | struct ieee80211_channel *chan; |
e4da8c37 | 348 | enum nl80211_channel_type chan_type; |
af6b6374 | 349 | |
2eb278e0 | 350 | bool started, abort, hw_begun, notified; |
f679f65d | 351 | |
2eb278e0 | 352 | unsigned long hw_start_time; |
e4da8c37 | 353 | |
2eb278e0 JB |
354 | u32 duration, req_duration; |
355 | struct sk_buff *frame; | |
356 | u64 mgmt_tx_cookie; | |
77fdaa12 JB |
357 | }; |
358 | ||
46900298 | 359 | /* flags used in struct ieee80211_if_managed.flags */ |
ab1faead | 360 | enum ieee80211_sta_flags { |
b291ba11 JB |
361 | IEEE80211_STA_BEACON_POLL = BIT(0), |
362 | IEEE80211_STA_CONNECTION_POLL = BIT(1), | |
363 | IEEE80211_STA_CONTROL_PORT = BIT(2), | |
b291ba11 JB |
364 | IEEE80211_STA_DISABLE_11N = BIT(4), |
365 | IEEE80211_STA_CSA_RECEIVED = BIT(5), | |
366 | IEEE80211_STA_MFP_ENABLED = BIT(6), | |
ab13315a | 367 | IEEE80211_STA_UAPSD_ENABLED = BIT(7), |
375177bf | 368 | IEEE80211_STA_NULLFUNC_ACKED = BIT(8), |
17e4ec14 | 369 | IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9), |
24398e39 | 370 | IEEE80211_STA_DISABLE_40MHZ = BIT(10), |
d545daba | 371 | IEEE80211_STA_DISABLE_VHT = BIT(11), |
ab1faead JB |
372 | }; |
373 | ||
66e67e41 JB |
374 | struct ieee80211_mgd_auth_data { |
375 | struct cfg80211_bss *bss; | |
376 | unsigned long timeout; | |
377 | int tries; | |
378 | u16 algorithm, expected_transaction; | |
379 | ||
380 | u8 key[WLAN_KEY_LEN_WEP104]; | |
381 | u8 key_len, key_idx; | |
66e67e41 JB |
382 | bool done; |
383 | ||
6b8ece3a JM |
384 | u16 sae_trans, sae_status; |
385 | size_t data_len; | |
386 | u8 data[]; | |
66e67e41 JB |
387 | }; |
388 | ||
389 | struct ieee80211_mgd_assoc_data { | |
390 | struct cfg80211_bss *bss; | |
391 | const u8 *supp_rates; | |
66e67e41 JB |
392 | |
393 | unsigned long timeout; | |
394 | int tries; | |
395 | ||
396 | u16 capability; | |
397 | u8 prev_bssid[ETH_ALEN]; | |
398 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
399 | u8 ssid_len; | |
400 | u8 supp_rates_len; | |
76f0303d | 401 | bool wmm, uapsd; |
66e67e41 JB |
402 | bool have_beacon; |
403 | bool sent_assoc; | |
404 | bool synced; | |
405 | ||
9dde6423 JB |
406 | u8 ap_ht_param; |
407 | ||
66e67e41 JB |
408 | size_t ie_len; |
409 | u8 ie[]; | |
410 | }; | |
411 | ||
46900298 | 412 | struct ieee80211_if_managed { |
056cdd59 | 413 | struct timer_list timer; |
b291ba11 JB |
414 | struct timer_list conn_mon_timer; |
415 | struct timer_list bcn_mon_timer; | |
c481ec97 | 416 | struct timer_list chswitch_timer; |
b291ba11 | 417 | struct work_struct monitor_work; |
c481ec97 | 418 | struct work_struct chswitch_work; |
1e4dcd01 | 419 | struct work_struct beacon_connection_loss_work; |
882a7c69 | 420 | struct work_struct csa_connection_drop_work; |
46900298 | 421 | |
7ccc8bd7 | 422 | unsigned long beacon_timeout; |
b291ba11 | 423 | unsigned long probe_timeout; |
a43abf29 | 424 | int probe_send_count; |
04ac3c0e | 425 | bool nullfunc_failed; |
b291ba11 | 426 | |
77fdaa12 | 427 | struct mutex mtx; |
0c1ad2ca | 428 | struct cfg80211_bss *associated; |
66e67e41 JB |
429 | struct ieee80211_mgd_auth_data *auth_data; |
430 | struct ieee80211_mgd_assoc_data *assoc_data; | |
46900298 | 431 | |
77fdaa12 | 432 | u8 bssid[ETH_ALEN]; |
46900298 | 433 | |
f0706e82 | 434 | u16 aid; |
f0706e82 | 435 | |
5bb644a0 | 436 | unsigned long timers_running; /* used for quiesce/restart */ |
965bedad | 437 | bool powersave; /* powersave requested for this iface */ |
05cb9108 | 438 | bool broken_ap; /* AP is broken -- turn off powersave */ |
0f78231b | 439 | enum ieee80211_smps_mode req_smps, /* requested smps mode */ |
d1f5b7a3 JB |
440 | driver_smps_mode; /* smps mode request */ |
441 | ||
442 | struct work_struct request_smps_work; | |
965bedad | 443 | |
d6f2da5b | 444 | unsigned int flags; |
f0706e82 | 445 | |
d8ec4433 | 446 | bool beacon_crc_valid; |
d91f36db JB |
447 | u32 beacon_crc; |
448 | ||
fdfacf0a JM |
449 | enum { |
450 | IEEE80211_MFP_DISABLED, | |
451 | IEEE80211_MFP_OPTIONAL, | |
452 | IEEE80211_MFP_REQUIRED | |
453 | } mfp; /* management frame protection */ | |
454 | ||
dc41e4d4 EP |
455 | /* |
456 | * Bitmask of enabled u-apsd queues, | |
457 | * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association | |
458 | * to take effect. | |
459 | */ | |
460 | unsigned int uapsd_queues; | |
461 | ||
462 | /* | |
463 | * Maximum number of buffered frames AP can deliver during a | |
464 | * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. | |
465 | * Needs a new association to take effect. | |
466 | */ | |
467 | unsigned int uapsd_max_sp_len; | |
468 | ||
f0706e82 | 469 | int wmm_last_param_set; |
9bc383de JB |
470 | |
471 | u8 use_4addr; | |
17e4ec14 JM |
472 | |
473 | /* Signal strength from the last Beacon frame in the current BSS. */ | |
474 | int last_beacon_signal; | |
475 | ||
476 | /* | |
477 | * Weighted average of the signal strength from Beacon frames in the | |
478 | * current BSS. This is in units of 1/16 of the signal unit to maintain | |
479 | * accuracy and to speed up calculations, i.e., the value need to be | |
480 | * divided by 16 to get the actual value. | |
481 | */ | |
482 | int ave_beacon_signal; | |
483 | ||
391a200a JM |
484 | /* |
485 | * Number of Beacon frames used in ave_beacon_signal. This can be used | |
486 | * to avoid generating less reliable cqm events that would be based | |
487 | * only on couple of received frames. | |
488 | */ | |
489 | unsigned int count_beacon_signal; | |
490 | ||
17e4ec14 JM |
491 | /* |
492 | * Last Beacon frame signal strength average (ave_beacon_signal / 16) | |
493 | * that triggered a cqm event. 0 indicates that no event has been | |
494 | * generated for the current association. | |
495 | */ | |
496 | int last_cqm_event_signal; | |
615f7b9b MV |
497 | |
498 | /* | |
499 | * State variables for keeping track of RSSI of the AP currently | |
500 | * connected to and informing driver when RSSI has gone | |
501 | * below/above a certain threshold. | |
502 | */ | |
503 | int rssi_min_thold, rssi_max_thold; | |
504 | int last_ave_beacon_signal; | |
ef96a842 BG |
505 | |
506 | struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */ | |
507 | struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */ | |
f0706e82 JB |
508 | }; |
509 | ||
46900298 JB |
510 | struct ieee80211_if_ibss { |
511 | struct timer_list timer; | |
46900298 | 512 | |
7a17a33c JB |
513 | struct mutex mtx; |
514 | ||
af8cdcd8 | 515 | unsigned long last_scan_completed; |
5bb644a0 | 516 | |
fbd2c8dc TP |
517 | u32 basic_rates; |
518 | ||
5bb644a0 JB |
519 | bool timer_running; |
520 | ||
af8cdcd8 JB |
521 | bool fixed_bssid; |
522 | bool fixed_channel; | |
fffd0934 | 523 | bool privacy; |
46900298 | 524 | |
267335d6 | 525 | bool control_port; |
6abe0563 | 526 | unsigned int auth_frame_registrations; |
267335d6 | 527 | |
4d196e4b | 528 | u8 bssid[ETH_ALEN] __aligned(2); |
af8cdcd8 JB |
529 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
530 | u8 ssid_len, ie_len; | |
531 | u8 *ie; | |
532 | struct ieee80211_channel *channel; | |
13c40c54 | 533 | enum nl80211_channel_type channel_type; |
46900298 JB |
534 | |
535 | unsigned long ibss_join_req; | |
af8cdcd8 | 536 | /* probe response/beacon for IBSS */ |
40b275b6 JB |
537 | struct sk_buff __rcu *presp; |
538 | struct sk_buff *skb; | |
46900298 | 539 | |
8bf11d8d JB |
540 | spinlock_t incomplete_lock; |
541 | struct list_head incomplete_stations; | |
542 | ||
46900298 JB |
543 | enum { |
544 | IEEE80211_IBSS_MLME_SEARCH, | |
545 | IEEE80211_IBSS_MLME_JOINED, | |
546 | } state; | |
547 | }; | |
548 | ||
dbf498fb JC |
549 | /** |
550 | * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface | |
551 | * | |
552 | * these declarations define the interface, which enables | |
553 | * vendor-specific mesh synchronization | |
554 | * | |
555 | */ | |
556 | struct ieee802_11_elems; | |
557 | struct ieee80211_mesh_sync_ops { | |
558 | void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata, | |
559 | u16 stype, | |
560 | struct ieee80211_mgmt *mgmt, | |
561 | struct ieee802_11_elems *elems, | |
562 | struct ieee80211_rx_status *rx_status); | |
563 | void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata); | |
564 | /* add other framework functions here */ | |
565 | }; | |
566 | ||
472dbc45 | 567 | struct ieee80211_if_mesh { |
472dbc45 JB |
568 | struct timer_list housekeeping_timer; |
569 | struct timer_list mesh_path_timer; | |
e304bfd3 | 570 | struct timer_list mesh_path_root_timer; |
472dbc45 | 571 | |
5bb644a0 JB |
572 | unsigned long timers_running; |
573 | ||
18889231 | 574 | unsigned long wrkq_flags; |
472dbc45 JB |
575 | |
576 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
577 | size_t mesh_id_len; | |
578 | /* Active Path Selection Protocol Identifier */ | |
3491707a | 579 | u8 mesh_pp_id; |
472dbc45 | 580 | /* Active Path Selection Metric Identifier */ |
3491707a | 581 | u8 mesh_pm_id; |
472dbc45 | 582 | /* Congestion Control Mode Identifier */ |
3491707a | 583 | u8 mesh_cc_id; |
9e03fdfd | 584 | /* Synchronization Protocol Identifier */ |
3491707a | 585 | u8 mesh_sp_id; |
9e03fdfd | 586 | /* Authentication Protocol Identifier */ |
3491707a | 587 | u8 mesh_auth_id; |
d19b3bf6 RP |
588 | /* Local mesh Sequence Number */ |
589 | u32 sn; | |
472dbc45 JB |
590 | /* Last used PREQ ID */ |
591 | u32 preq_id; | |
592 | atomic_t mpaths; | |
d19b3bf6 RP |
593 | /* Timestamp of last SN update */ |
594 | unsigned long last_sn_update; | |
dca7e943 TP |
595 | /* Time when it's ok to send next PERR */ |
596 | unsigned long next_perr; | |
597 | /* Timestamp of last PREQ sent */ | |
472dbc45 JB |
598 | unsigned long last_preq; |
599 | struct mesh_rmc *rmc; | |
600 | spinlock_t mesh_preq_queue_lock; | |
601 | struct mesh_preq_queue preq_queue; | |
602 | int preq_queue_len; | |
603 | struct mesh_stats mshstats; | |
604 | struct mesh_config mshcfg; | |
1258d976 | 605 | atomic_t estab_plinks; |
472dbc45 JB |
606 | u32 mesh_seqnum; |
607 | bool accepting_plinks; | |
5ee68e5b | 608 | int num_gates; |
581a8b0f JC |
609 | const u8 *ie; |
610 | u8 ie_len; | |
b130e5ce JC |
611 | enum { |
612 | IEEE80211_MESH_SEC_NONE = 0x0, | |
613 | IEEE80211_MESH_SEC_AUTHED = 0x1, | |
614 | IEEE80211_MESH_SEC_SECURED = 0x2, | |
615 | } security; | |
dbf498fb | 616 | /* Extensible Synchronization Framework */ |
8ba7acf3 | 617 | const struct ieee80211_mesh_sync_ops *sync_ops; |
dbf498fb JC |
618 | s64 sync_offset_clockdrift_max; |
619 | spinlock_t sync_offset_lock; | |
620 | bool adjusting_tbtt; | |
472dbc45 | 621 | }; |
902acc78 JB |
622 | |
623 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
624 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
625 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 626 | #else |
472dbc45 | 627 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
628 | do { } while (0) |
629 | #endif | |
f0706e82 | 630 | |
213cd118 JB |
631 | /** |
632 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
633 | * | |
634 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
635 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
213cd118 JB |
636 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
637 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
638 | * associated stations and deliver multicast frames both | |
639 | * back to wireless media and to the local net stack. | |
95acac61 | 640 | * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume. |
7b7eab6f | 641 | * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver |
213cd118 JB |
642 | */ |
643 | enum ieee80211_sub_if_data_flags { | |
644 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
645 | IEEE80211_SDATA_PROMISC = BIT(1), | |
7986cf95 JB |
646 | IEEE80211_SDATA_OPERATING_GMODE = BIT(2), |
647 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), | |
95acac61 | 648 | IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4), |
7b7eab6f | 649 | IEEE80211_SDATA_IN_DRIVER = BIT(5), |
213cd118 JB |
650 | }; |
651 | ||
34d4bc4d JB |
652 | /** |
653 | * enum ieee80211_sdata_state_bits - virtual interface state bits | |
654 | * @SDATA_STATE_RUNNING: virtual interface is up & running; this | |
655 | * mirrors netif_running() but is separate for interface type | |
656 | * change handling while the interface is up | |
5b714c6a JB |
657 | * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel |
658 | * mode, so queues are stopped | |
34d4bc4d JB |
659 | */ |
660 | enum ieee80211_sdata_state_bits { | |
661 | SDATA_STATE_RUNNING, | |
5b714c6a | 662 | SDATA_STATE_OFFCHANNEL, |
34d4bc4d JB |
663 | }; |
664 | ||
d01a1e65 MK |
665 | /** |
666 | * enum ieee80211_chanctx_mode - channel context configuration mode | |
667 | * | |
668 | * @IEEE80211_CHANCTX_SHARED: channel context may be used by | |
669 | * multiple interfaces | |
670 | * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used | |
671 | * only by a single interface. This can be used for example for | |
672 | * non-fixed channel IBSS. | |
673 | */ | |
674 | enum ieee80211_chanctx_mode { | |
675 | IEEE80211_CHANCTX_SHARED, | |
676 | IEEE80211_CHANCTX_EXCLUSIVE | |
677 | }; | |
678 | ||
679 | struct ieee80211_chanctx { | |
680 | struct list_head list; | |
681 | struct rcu_head rcu_head; | |
682 | ||
683 | enum ieee80211_chanctx_mode mode; | |
684 | int refcount; | |
685 | ||
686 | struct ieee80211_chanctx_conf conf; | |
687 | }; | |
688 | ||
f0706e82 JB |
689 | struct ieee80211_sub_if_data { |
690 | struct list_head list; | |
f0706e82 JB |
691 | |
692 | struct wireless_dev wdev; | |
693 | ||
11a843b7 JB |
694 | /* keys */ |
695 | struct list_head key_list; | |
696 | ||
3bff1865 YAP |
697 | /* count for keys needing tailroom space allocation */ |
698 | int crypto_tx_tailroom_needed_cnt; | |
699 | ||
f0706e82 JB |
700 | struct net_device *dev; |
701 | struct ieee80211_local *local; | |
702 | ||
13262ffd | 703 | unsigned int flags; |
7e9ed188 | 704 | |
34d4bc4d JB |
705 | unsigned long state; |
706 | ||
f0706e82 | 707 | int drop_unencrypted; |
f0706e82 | 708 | |
47846c9b JB |
709 | char name[IFNAMSIZ]; |
710 | ||
7da7cc1d JB |
711 | /* to detect idle changes */ |
712 | bool old_idle; | |
713 | ||
f0706e82 JB |
714 | /* Fragment table for host-based reassembly */ |
715 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
716 | unsigned int fragment_next; | |
717 | ||
b53be792 SW |
718 | /* TID bitmap for NoAck policy */ |
719 | u16 noack_map; | |
720 | ||
00e96dec YD |
721 | /* bit field of ACM bits (BIT(802.1D tag)) */ |
722 | u8 wmm_acm; | |
723 | ||
40b275b6 JB |
724 | struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; |
725 | struct ieee80211_key __rcu *default_unicast_key; | |
726 | struct ieee80211_key __rcu *default_multicast_key; | |
727 | struct ieee80211_key __rcu *default_mgmt_key; | |
f0706e82 | 728 | |
94778280 | 729 | u16 sequence_number; |
a621fa4d JB |
730 | __be16 control_port_protocol; |
731 | bool control_port_no_encrypt; | |
94778280 | 732 | |
54bcbc69 | 733 | struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS]; |
f6f3def3 | 734 | |
04ecd257 JB |
735 | /* used to reconfigure hardware SM PS */ |
736 | struct work_struct recalc_smps; | |
737 | ||
64592c8f | 738 | struct work_struct work; |
35f20c14 JB |
739 | struct sk_buff_head skb_queue; |
740 | ||
68542962 JO |
741 | bool arp_filter_state; |
742 | ||
04ecd257 JB |
743 | u8 needed_rx_chains; |
744 | enum ieee80211_smps_mode smps_mode; | |
745 | ||
471b3efd | 746 | /* |
3e122be0 JB |
747 | * AP this belongs to: self in AP mode and |
748 | * corresponding AP in VLAN mode, NULL for | |
749 | * all others (might be needed later in IBSS) | |
471b3efd | 750 | */ |
3e122be0 JB |
751 | struct ieee80211_if_ap *bss; |
752 | ||
37eb0b16 JM |
753 | /* bitmap of allowed (non-MCS) rate indexes for rate control */ |
754 | u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; | |
19468413 | 755 | u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN]; |
f0706e82 JB |
756 | |
757 | union { | |
758 | struct ieee80211_if_ap ap; | |
759 | struct ieee80211_if_wds wds; | |
760 | struct ieee80211_if_vlan vlan; | |
46900298 JB |
761 | struct ieee80211_if_managed mgd; |
762 | struct ieee80211_if_ibss ibss; | |
472dbc45 | 763 | struct ieee80211_if_mesh mesh; |
8cc9a739 | 764 | u32 mntr_flags; |
f0706e82 | 765 | } u; |
e9f207f0 JB |
766 | |
767 | #ifdef CONFIG_MAC80211_DEBUGFS | |
2b58b209 | 768 | struct { |
7bcfaf2f | 769 | struct dentry *dir; |
295bafb4 | 770 | struct dentry *subdir_stations; |
f7e0104c JB |
771 | struct dentry *default_unicast_key; |
772 | struct dentry *default_multicast_key; | |
3cfcf6ac | 773 | struct dentry *default_mgmt_key; |
7bcfaf2f | 774 | } debugfs; |
e9f207f0 | 775 | #endif |
32bfd35d JB |
776 | /* must be last, dynamically sized area in this! */ |
777 | struct ieee80211_vif vif; | |
f0706e82 JB |
778 | }; |
779 | ||
32bfd35d JB |
780 | static inline |
781 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
782 | { | |
783 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
784 | } | |
785 | ||
55de908a JB |
786 | static inline enum ieee80211_band |
787 | ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata) | |
788 | { | |
789 | enum ieee80211_band band = IEEE80211_BAND_2GHZ; | |
790 | struct ieee80211_chanctx_conf *chanctx_conf; | |
791 | ||
792 | rcu_read_lock(); | |
793 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
794 | if (!WARN_ON(!chanctx_conf)) | |
795 | band = chanctx_conf->channel->band; | |
796 | rcu_read_unlock(); | |
797 | ||
798 | return band; | |
799 | } | |
800 | ||
c1475ca9 JB |
801 | enum sdata_queue_type { |
802 | IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, | |
803 | IEEE80211_SDATA_QUEUE_AGG_START = 1, | |
804 | IEEE80211_SDATA_QUEUE_AGG_STOP = 2, | |
805 | }; | |
806 | ||
f0706e82 JB |
807 | enum { |
808 | IEEE80211_RX_MSG = 1, | |
809 | IEEE80211_TX_STATUS_MSG = 2, | |
37fbd908 JB |
810 | IEEE80211_EOSP_MSG = 3, |
811 | }; | |
812 | ||
813 | struct skb_eosp_msg_data { | |
814 | u8 sta[ETH_ALEN], iface[ETH_ALEN]; | |
f0706e82 JB |
815 | }; |
816 | ||
ce7c9111 KV |
817 | enum queue_stop_reason { |
818 | IEEE80211_QUEUE_STOP_REASON_DRIVER, | |
520eb820 | 819 | IEEE80211_QUEUE_STOP_REASON_PS, |
96f5e66e JB |
820 | IEEE80211_QUEUE_STOP_REASON_CSA, |
821 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, | |
25420604 | 822 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
8f77f384 | 823 | IEEE80211_QUEUE_STOP_REASON_SKB_ADD, |
ce7c9111 KV |
824 | }; |
825 | ||
65a6538a | 826 | #ifdef CONFIG_MAC80211_LEDS |
e1e54068 JB |
827 | struct tpt_led_trigger { |
828 | struct led_trigger trig; | |
829 | char name[32]; | |
830 | const struct ieee80211_tpt_blink *blink_table; | |
831 | unsigned int blink_table_len; | |
832 | struct timer_list timer; | |
e1e54068 JB |
833 | unsigned long prev_traffic; |
834 | unsigned long tx_bytes, rx_bytes; | |
67408c8c JB |
835 | unsigned int active, want; |
836 | bool running; | |
e1e54068 | 837 | }; |
65a6538a | 838 | #endif |
e1e54068 | 839 | |
142b9f50 HS |
840 | /** |
841 | * mac80211 scan flags - currently active scan mode | |
842 | * | |
843 | * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as | |
844 | * well be on the operating channel | |
845 | * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to | |
846 | * determine if we are on the operating channel or not | |
8a690674 BG |
847 | * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating |
848 | * channel. This should not interrupt normal traffic. | |
8789d459 JB |
849 | * @SCAN_COMPLETED: Set for our scan work function when the driver reported |
850 | * that the scan completed. | |
851 | * @SCAN_ABORTED: Set for our scan work function when the driver reported | |
852 | * a scan complete for an aborted scan. | |
142b9f50 | 853 | */ |
fbe9c429 HS |
854 | enum { |
855 | SCAN_SW_SCANNING, | |
142b9f50 | 856 | SCAN_HW_SCANNING, |
8a690674 | 857 | SCAN_ONCHANNEL_SCANNING, |
8789d459 JB |
858 | SCAN_COMPLETED, |
859 | SCAN_ABORTED, | |
142b9f50 HS |
860 | }; |
861 | ||
862 | /** | |
863 | * enum mac80211_scan_state - scan state machine states | |
864 | * | |
865 | * @SCAN_DECISION: Main entry point to the scan state machine, this state | |
866 | * determines if we should keep on scanning or switch back to the | |
867 | * operating channel | |
868 | * @SCAN_SET_CHANNEL: Set the next channel to be scanned | |
869 | * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses | |
07ef03ee JB |
870 | * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to |
871 | * send out data | |
872 | * @SCAN_RESUME: Resume the scan and scan the next channel | |
cd2bb512 | 873 | * @SCAN_ABORT: Abort the scan and go back to operating channel |
142b9f50 HS |
874 | */ |
875 | enum mac80211_scan_state { | |
876 | SCAN_DECISION, | |
877 | SCAN_SET_CHANNEL, | |
878 | SCAN_SEND_PROBE, | |
07ef03ee JB |
879 | SCAN_SUSPEND, |
880 | SCAN_RESUME, | |
cd2bb512 | 881 | SCAN_ABORT, |
fbe9c429 HS |
882 | }; |
883 | ||
f0706e82 JB |
884 | struct ieee80211_local { |
885 | /* embed the driver visible part. | |
886 | * don't cast (use the static inlines below), but we keep | |
887 | * it first anyway so they become a no-op */ | |
888 | struct ieee80211_hw hw; | |
889 | ||
890 | const struct ieee80211_ops *ops; | |
891 | ||
42935eca LR |
892 | /* |
893 | * private workqueue to mac80211. mac80211 makes this accessible | |
894 | * via ieee80211_queue_work() | |
895 | */ | |
896 | struct workqueue_struct *workqueue; | |
897 | ||
e4e72fb4 | 898 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
96f5e66e | 899 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
ce7c9111 | 900 | spinlock_t queue_stop_reason_lock; |
96f5e66e | 901 | |
f0706e82 | 902 | int open_count; |
3d30d949 | 903 | int monitors, cooked_mntrs; |
8cc9a739 | 904 | /* number of interfaces with corresponding FIF_ flags */ |
7be5086d JB |
905 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, |
906 | fif_probe_req; | |
907 | int probe_req_reg; | |
4150c572 | 908 | unsigned int filter_flags; /* FIF_* */ |
3b8d81e0 | 909 | |
3ffc2a90 JB |
910 | bool wiphy_ciphers_allocated; |
911 | ||
fe57d9f5 JB |
912 | bool use_chanctx; |
913 | ||
3b8d81e0 JB |
914 | /* protects the aggregated multicast list and filter calls */ |
915 | spinlock_t filter_lock; | |
916 | ||
3ac64bee JB |
917 | /* used for uploading changed mc list */ |
918 | struct work_struct reconfig_filter; | |
919 | ||
3b8d81e0 | 920 | /* aggregated multicast list */ |
22bedad3 | 921 | struct netdev_hw_addr_list mc_list; |
3b8d81e0 | 922 | |
d0709a65 | 923 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
5bb644a0 JB |
924 | |
925 | /* | |
926 | * suspended is true if we finished all the suspend _and_ we have | |
927 | * not yet come up from resume. This is to be used by mac80211 | |
928 | * to ensure driver sanity during suspend and mac80211's own | |
929 | * sanity. It can eventually be used for WoW as well. | |
930 | */ | |
931 | bool suspended; | |
932 | ||
ceb99fe0 JB |
933 | /* |
934 | * Resuming is true while suspended, but when we're reprogramming the | |
935 | * hardware -- at that time it's allowed to use ieee80211_queue_work() | |
936 | * again even though some other parts of the stack are still suspended | |
937 | * and we still drop received frames to avoid waking the stack. | |
938 | */ | |
939 | bool resuming; | |
940 | ||
5bb644a0 JB |
941 | /* |
942 | * quiescing is true during the suspend process _only_ to | |
943 | * ease timer cancelling etc. | |
944 | */ | |
945 | bool quiescing; | |
946 | ||
ea77f12f JB |
947 | /* device is started */ |
948 | bool started; | |
949 | ||
04800ada AN |
950 | /* device is during a HW reconfig */ |
951 | bool in_reconfig; | |
952 | ||
eecc4800 JB |
953 | /* wowlan is enabled -- don't reconfig on resume */ |
954 | bool wowlan; | |
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 | ||
24a8fdad CL |
970 | /* |
971 | * Internal FIFO queue which is shared between multiple rx path | |
972 | * stages. Its main task is to provide a serialization mechanism, | |
973 | * so all rx handlers can enjoy having exclusive access to their | |
974 | * private data structures. | |
975 | */ | |
976 | struct sk_buff_head rx_skb_queue; | |
977 | bool running_rx_handler; /* protected by rx_skb_queue.lock */ | |
978 | ||
d0709a65 JB |
979 | /* Station data */ |
980 | /* | |
4d33960b JB |
981 | * The mutex only protects the list, hash table and |
982 | * counter, reads are done with RCU. | |
d0709a65 | 983 | */ |
34e89507 | 984 | struct mutex sta_mtx; |
4d33960b | 985 | spinlock_t tim_lock; |
d0709a65 | 986 | unsigned long num_sta; |
4d33960b | 987 | struct list_head sta_list; |
40b275b6 | 988 | struct sta_info __rcu *sta_hash[STA_HASH_SIZE]; |
f0706e82 | 989 | struct timer_list sta_cleanup; |
f5ea9120 | 990 | int sta_generation; |
f0706e82 | 991 | |
2a577d98 | 992 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
993 | struct tasklet_struct tx_pending_tasklet; |
994 | ||
a6a67db2 | 995 | atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES]; |
cd8ffc80 | 996 | |
53918994 JB |
997 | /* number of interfaces with corresponding IFF_ flags */ |
998 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
999 | |
1000 | struct rate_control_ref *rate_ctrl; | |
1001 | ||
5f9f1812 FF |
1002 | struct crypto_cipher *wep_tx_tfm; |
1003 | struct crypto_cipher *wep_rx_tfm; | |
f0706e82 | 1004 | u32 wep_iv; |
f0706e82 | 1005 | |
c771c9d8 | 1006 | /* see iface.c */ |
79010420 | 1007 | struct list_head interfaces; |
c771c9d8 | 1008 | struct mutex iflist_mtx; |
79010420 | 1009 | |
b16bd15c | 1010 | /* |
ad0e2b5a | 1011 | * Key mutex, protects sdata's key_list and sta_info's |
b16bd15c JB |
1012 | * key pointers (write access, they're RCU.) |
1013 | */ | |
ad0e2b5a | 1014 | struct mutex key_mtx; |
b16bd15c | 1015 | |
a1699b75 JB |
1016 | /* mutex for scan and work locking */ |
1017 | struct mutex mtx; | |
b16bd15c | 1018 | |
c2b13452 | 1019 | /* Scanning and BSS list */ |
fbe9c429 | 1020 | unsigned long scanning; |
2a519311 | 1021 | struct cfg80211_ssid scan_ssid; |
5ba63533 | 1022 | struct cfg80211_scan_request *int_scan_req; |
4d36ec58 | 1023 | struct cfg80211_scan_request *scan_req, *hw_scan_req; |
2a519311 | 1024 | struct ieee80211_channel *scan_channel; |
4d36ec58 | 1025 | enum ieee80211_band hw_scan_band; |
f0706e82 | 1026 | int scan_channel_idx; |
de95a54b | 1027 | int scan_ies_len; |
8318d78a | 1028 | |
85a9994a | 1029 | struct work_struct sched_scan_stopped_work; |
5260a5b2 | 1030 | struct ieee80211_sub_if_data __rcu *sched_scan_sdata; |
79f460ca | 1031 | |
df13cce5 | 1032 | unsigned long leave_oper_channel_time; |
977923b0 | 1033 | enum mac80211_scan_state next_scan_state; |
f0706e82 | 1034 | struct delayed_work scan_work; |
e2fd5dbc | 1035 | struct ieee80211_sub_if_data __rcu *scan_sdata; |
55de908a JB |
1036 | struct ieee80211_channel *csa_channel; |
1037 | /* For backward compatibility only -- do not use */ | |
1038 | struct ieee80211_channel *_oper_channel; | |
0aaffa9b | 1039 | enum nl80211_channel_type _oper_channel_type; |
f0706e82 | 1040 | |
b8bc4b0a JB |
1041 | /* Temporary remain-on-channel for off-channel operations */ |
1042 | struct ieee80211_channel *tmp_channel; | |
1043 | enum nl80211_channel_type tmp_channel_type; | |
1044 | ||
d01a1e65 MK |
1045 | /* channel contexts */ |
1046 | struct list_head chanctx_list; | |
1047 | struct mutex chanctx_mtx; | |
1048 | ||
f0706e82 JB |
1049 | /* SNMP counters */ |
1050 | /* dot11CountersTable */ | |
1051 | u32 dot11TransmittedFragmentCount; | |
1052 | u32 dot11MulticastTransmittedFrameCount; | |
1053 | u32 dot11FailedCount; | |
1054 | u32 dot11RetryCount; | |
1055 | u32 dot11MultipleRetryCount; | |
1056 | u32 dot11FrameDuplicateCount; | |
1057 | u32 dot11ReceivedFragmentCount; | |
1058 | u32 dot11MulticastReceivedFrameCount; | |
1059 | u32 dot11TransmittedFrameCount; | |
f0706e82 JB |
1060 | |
1061 | #ifdef CONFIG_MAC80211_LEDS | |
1062 | int tx_led_counter, rx_led_counter; | |
cdcb006f | 1063 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
e1e54068 | 1064 | struct tpt_led_trigger *tpt_led_trigger; |
cdcb006f ID |
1065 | char tx_led_name[32], rx_led_name[32], |
1066 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
1067 | #endif |
1068 | ||
f0706e82 JB |
1069 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
1070 | /* TX/RX handler statistics */ | |
1071 | unsigned int tx_handlers_drop; | |
1072 | unsigned int tx_handlers_queued; | |
1073 | unsigned int tx_handlers_drop_unencrypted; | |
1074 | unsigned int tx_handlers_drop_fragment; | |
1075 | unsigned int tx_handlers_drop_wep; | |
1076 | unsigned int tx_handlers_drop_not_assoc; | |
1077 | unsigned int tx_handlers_drop_unauth_port; | |
1078 | unsigned int rx_handlers_drop; | |
1079 | unsigned int rx_handlers_queued; | |
1080 | unsigned int rx_handlers_drop_nullfunc; | |
1081 | unsigned int rx_handlers_drop_defrag; | |
1082 | unsigned int rx_handlers_drop_short; | |
f0706e82 JB |
1083 | unsigned int tx_expand_skb_head; |
1084 | unsigned int tx_expand_skb_head_cloned; | |
1085 | unsigned int rx_expand_skb_head; | |
1086 | unsigned int rx_expand_skb_head2; | |
1087 | unsigned int rx_handlers_fragments; | |
1088 | unsigned int tx_status_drop; | |
f0706e82 JB |
1089 | #define I802_DEBUG_INC(c) (c)++ |
1090 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
1091 | #define I802_DEBUG_INC(c) do { } while (0) | |
1092 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
1093 | ||
1094 | ||
f0706e82 JB |
1095 | int total_ps_buffered; /* total number of all buffered unicast and |
1096 | * multicast packets for power saving stations | |
1097 | */ | |
520eb820 | 1098 | |
572e0012 | 1099 | bool pspolling; |
b203ffc3 | 1100 | bool offchannel_ps_enabled; |
965bedad JB |
1101 | /* |
1102 | * PS can only be enabled when we have exactly one managed | |
1103 | * interface (and monitors) in PS, this then points there. | |
1104 | */ | |
1105 | struct ieee80211_sub_if_data *ps_sdata; | |
520eb820 KV |
1106 | struct work_struct dynamic_ps_enable_work; |
1107 | struct work_struct dynamic_ps_disable_work; | |
1108 | struct timer_list dynamic_ps_timer; | |
10f644a4 | 1109 | struct notifier_block network_latency_notifier; |
2b2c009e | 1110 | struct notifier_block ifa_notifier; |
f0706e82 | 1111 | |
ff616381 JO |
1112 | /* |
1113 | * The dynamic ps timeout configured from user space via WEXT - | |
1114 | * this will override whatever chosen by mac80211 internally. | |
1115 | */ | |
1116 | int dynamic_ps_forced_timeout; | |
f90754c1 JO |
1117 | int dynamic_ps_user_timeout; |
1118 | bool disable_dynamic_ps; | |
ff616381 | 1119 | |
2bf30fab | 1120 | int user_power_level; /* in dBm */ |
04b7b2ff | 1121 | int ap_power_level; /* in dBm */ |
2bf30fab | 1122 | |
0f78231b JB |
1123 | enum ieee80211_smps_mode smps_mode; |
1124 | ||
f2753ddb JB |
1125 | struct work_struct restart_work; |
1126 | ||
e9f207f0 JB |
1127 | #ifdef CONFIG_MAC80211_DEBUGFS |
1128 | struct local_debugfsdentries { | |
4b7679a5 | 1129 | struct dentry *rcdir; |
e9f207f0 JB |
1130 | struct dentry *keys; |
1131 | } debugfs; | |
1132 | #endif | |
4e6cbfd0 | 1133 | |
2eb278e0 JB |
1134 | /* |
1135 | * Remain-on-channel support | |
1136 | */ | |
1137 | struct list_head roc_list; | |
21f83589 | 1138 | struct work_struct hw_roc_start, hw_roc_done; |
2eb278e0 | 1139 | unsigned long hw_roc_start_time; |
21f83589 | 1140 | |
a729cff8 JB |
1141 | struct idr ack_status_frames; |
1142 | spinlock_t ack_status_lock; | |
1143 | ||
f142c6b9 JB |
1144 | struct ieee80211_sub_if_data __rcu *p2p_sdata; |
1145 | ||
4e6cbfd0 JL |
1146 | /* dummy netdev for use w/ NAPI */ |
1147 | struct net_device napi_dev; | |
1148 | ||
1149 | struct napi_struct napi; | |
4b6f1dd6 JB |
1150 | |
1151 | /* virtual monitor interface */ | |
1152 | struct ieee80211_sub_if_data __rcu *monitor_sdata; | |
55de908a JB |
1153 | struct ieee80211_channel *monitor_channel; |
1154 | enum nl80211_channel_type monitor_channel_type; | |
f0706e82 JB |
1155 | }; |
1156 | ||
3e122be0 JB |
1157 | static inline struct ieee80211_sub_if_data * |
1158 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
1159 | { | |
3e122be0 JB |
1160 | return netdev_priv(dev); |
1161 | } | |
1162 | ||
71bbc994 JB |
1163 | static inline struct ieee80211_sub_if_data * |
1164 | IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) | |
1165 | { | |
1166 | return container_of(wdev, struct ieee80211_sub_if_data, wdev); | |
1167 | } | |
1168 | ||
c1475ca9 | 1169 | /* this struct represents 802.11n's RA/TID combination */ |
eadc8d9e RR |
1170 | struct ieee80211_ra_tid { |
1171 | u8 ra[ETH_ALEN]; | |
1172 | u16 tid; | |
1173 | }; | |
1174 | ||
dd76986b JB |
1175 | /* Parsed Information Elements */ |
1176 | struct ieee802_11_elems { | |
1177 | u8 *ie_start; | |
1178 | size_t total_len; | |
1179 | ||
1180 | /* pointers to IEs */ | |
1181 | u8 *ssid; | |
1182 | u8 *supp_rates; | |
1183 | u8 *fh_params; | |
1184 | u8 *ds_params; | |
1185 | u8 *cf_params; | |
1186 | struct ieee80211_tim_ie *tim; | |
1187 | u8 *ibss_params; | |
1188 | u8 *challenge; | |
1189 | u8 *wpa; | |
1190 | u8 *rsn; | |
1191 | u8 *erp_info; | |
1192 | u8 *ext_supp_rates; | |
1193 | u8 *wmm_info; | |
1194 | u8 *wmm_param; | |
1195 | struct ieee80211_ht_cap *ht_cap_elem; | |
074d46d1 | 1196 | struct ieee80211_ht_operation *ht_operation; |
818255ea MP |
1197 | struct ieee80211_vht_cap *vht_cap_elem; |
1198 | struct ieee80211_vht_operation *vht_operation; | |
dd76986b JB |
1199 | struct ieee80211_meshconf_ie *mesh_config; |
1200 | u8 *mesh_id; | |
1201 | u8 *peering; | |
1202 | u8 *preq; | |
1203 | u8 *prep; | |
1204 | u8 *perr; | |
1205 | struct ieee80211_rann_ie *rann; | |
5bc1420b | 1206 | struct ieee80211_channel_sw_ie *ch_switch_ie; |
dd76986b JB |
1207 | u8 *country_elem; |
1208 | u8 *pwr_constr_elem; | |
1209 | u8 *quiet_elem; /* first quite element */ | |
1210 | u8 *timeout_int; | |
1211 | ||
1212 | /* length of them, respectively */ | |
1213 | u8 ssid_len; | |
1214 | u8 supp_rates_len; | |
1215 | u8 fh_params_len; | |
1216 | u8 ds_params_len; | |
1217 | u8 cf_params_len; | |
1218 | u8 tim_len; | |
1219 | u8 ibss_params_len; | |
1220 | u8 challenge_len; | |
1221 | u8 wpa_len; | |
1222 | u8 rsn_len; | |
1223 | u8 erp_info_len; | |
1224 | u8 ext_supp_rates_len; | |
1225 | u8 wmm_info_len; | |
1226 | u8 wmm_param_len; | |
1227 | u8 mesh_id_len; | |
1228 | u8 peering_len; | |
1229 | u8 preq_len; | |
1230 | u8 prep_len; | |
1231 | u8 perr_len; | |
dd76986b | 1232 | u8 country_elem_len; |
dd76986b JB |
1233 | u8 quiet_elem_len; |
1234 | u8 num_of_quiet_elem; /* can be more the one */ | |
1235 | u8 timeout_int_len; | |
fcff4f10 PS |
1236 | |
1237 | /* whether a parse error occurred while retrieving these elements */ | |
1238 | bool parse_error; | |
dd76986b JB |
1239 | }; |
1240 | ||
f0706e82 JB |
1241 | static inline struct ieee80211_local *hw_to_local( |
1242 | struct ieee80211_hw *hw) | |
1243 | { | |
1244 | return container_of(hw, struct ieee80211_local, hw); | |
1245 | } | |
1246 | ||
f0706e82 | 1247 | |
571ecf67 JB |
1248 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
1249 | { | |
b203ca39 | 1250 | return ether_addr_equal(raddr, addr) || |
571ecf67 JB |
1251 | is_broadcast_ether_addr(raddr); |
1252 | } | |
1253 | ||
1254 | ||
e8975581 | 1255 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
5cf121c3 | 1256 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
9c6bd790 JB |
1257 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
1258 | u32 changed); | |
0d143fe1 | 1259 | void ieee80211_configure_filter(struct ieee80211_local *local); |
46900298 | 1260 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
f0706e82 | 1261 | |
46900298 | 1262 | /* STA code */ |
9c6bd790 | 1263 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
77fdaa12 JB |
1264 | int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, |
1265 | struct cfg80211_auth_request *req); | |
1266 | int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, | |
1267 | struct cfg80211_assoc_request *req); | |
1268 | int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, | |
63c9c5e7 | 1269 | struct cfg80211_deauth_request *req); |
77fdaa12 | 1270 | int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, |
63c9c5e7 | 1271 | struct cfg80211_disassoc_request *req); |
572e0012 KV |
1272 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
1273 | struct ieee80211_sub_if_data *sdata); | |
10f644a4 | 1274 | void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); |
ab095877 | 1275 | void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata); |
10f644a4 JB |
1276 | int ieee80211_max_network_latency(struct notifier_block *nb, |
1277 | unsigned long data, void *dummy); | |
2b2c009e | 1278 | int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata); |
cc32abd4 JB |
1279 | void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, |
1280 | struct ieee80211_channel_sw_ie *sw_elem, | |
5ce6e438 JB |
1281 | struct ieee80211_bss *bss, |
1282 | u64 timestamp); | |
5bb644a0 JB |
1283 | void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); |
1284 | void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); | |
1fa57d01 JB |
1285 | void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata); |
1286 | void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1287 | struct sk_buff *skb); | |
d3a910a8 | 1288 | void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata); |
be099e82 | 1289 | void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata); |
afa762f6 | 1290 | void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata); |
9c6bd790 | 1291 | |
46900298 | 1292 | /* IBSS code */ |
46900298 JB |
1293 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); |
1294 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
8bf11d8d JB |
1295 | void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, |
1296 | const u8 *bssid, const u8 *addr, u32 supp_rates); | |
af8cdcd8 JB |
1297 | int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, |
1298 | struct cfg80211_ibss_params *params); | |
1299 | int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); | |
5bb644a0 JB |
1300 | void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); |
1301 | void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); | |
1fa57d01 JB |
1302 | void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata); |
1303 | void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1304 | struct sk_buff *skb); | |
1305 | ||
1306 | /* mesh code */ | |
1307 | void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata); | |
1308 | void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, | |
1309 | struct sk_buff *skb); | |
46900298 | 1310 | |
9c6bd790 | 1311 | /* scan/BSS handling */ |
46900298 | 1312 | void ieee80211_scan_work(struct work_struct *work); |
f3b85252 | 1313 | int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, |
be4a4b6a JB |
1314 | const u8 *ssid, u8 ssid_len, |
1315 | struct ieee80211_channel *chan); | |
c2b13452 | 1316 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
2a519311 | 1317 | struct cfg80211_scan_request *req); |
5bb644a0 | 1318 | void ieee80211_scan_cancel(struct ieee80211_local *local); |
133d40f9 | 1319 | void ieee80211_run_deferred_scan(struct ieee80211_local *local); |
d48b2968 | 1320 | void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); |
9c6bd790 | 1321 | |
0a51b27e | 1322 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
c2b13452 | 1323 | struct ieee80211_bss * |
98c8fccf JB |
1324 | ieee80211_bss_info_update(struct ieee80211_local *local, |
1325 | struct ieee80211_rx_status *rx_status, | |
1326 | struct ieee80211_mgmt *mgmt, | |
1327 | size_t len, | |
1328 | struct ieee802_11_elems *elems, | |
2a519311 JB |
1329 | struct ieee80211_channel *channel, |
1330 | bool beacon); | |
98c8fccf | 1331 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 1332 | struct ieee80211_bss *bss); |
ee385855 | 1333 | |
79f460ca LC |
1334 | /* scheduled scan handling */ |
1335 | int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, | |
1336 | struct cfg80211_sched_scan_request *req); | |
85a9994a LC |
1337 | int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata); |
1338 | void ieee80211_sched_scan_stopped_work(struct work_struct *work); | |
79f460ca | 1339 | |
b203ffc3 | 1340 | /* off-channel helpers */ |
b23b025f BG |
1341 | void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, |
1342 | bool offchannel_ps_enable); | |
b203ffc3 | 1343 | void ieee80211_offchannel_return(struct ieee80211_local *local, |
b23b025f | 1344 | bool offchannel_ps_disable); |
2eb278e0 JB |
1345 | void ieee80211_roc_setup(struct ieee80211_local *local); |
1346 | void ieee80211_start_next_roc(struct ieee80211_local *local); | |
1347 | void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata); | |
1348 | void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc); | |
1349 | void ieee80211_sw_roc_work(struct work_struct *work); | |
1350 | void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); | |
b203ffc3 | 1351 | |
3e122be0 | 1352 | /* interface handling */ |
47846c9b JB |
1353 | int ieee80211_iface_init(void); |
1354 | void ieee80211_iface_exit(void); | |
3e122be0 | 1355 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
84efbb84 | 1356 | struct wireless_dev **new_wdev, enum nl80211_iftype type, |
ee385855 | 1357 | struct vif_params *params); |
f3947e2d | 1358 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
05c914fe | 1359 | enum nl80211_iftype type); |
f698d856 | 1360 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 1361 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
5cff20e6 | 1362 | void ieee80211_recalc_idle(struct ieee80211_local *local); |
85416a4f CL |
1363 | void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata, |
1364 | const int offset); | |
f142c6b9 JB |
1365 | int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up); |
1366 | void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata); | |
f0706e82 | 1367 | |
9607e6b6 JB |
1368 | static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) |
1369 | { | |
34d4bc4d | 1370 | return test_bit(SDATA_STATE_RUNNING, &sdata->state); |
9607e6b6 JB |
1371 | } |
1372 | ||
e2ebc74d | 1373 | /* tx handling */ |
e2ebc74d JB |
1374 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
1375 | void ieee80211_tx_pending(unsigned long data); | |
d0cf9c0d SH |
1376 | netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, |
1377 | struct net_device *dev); | |
1378 | netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, | |
1379 | struct net_device *dev); | |
e2ebc74d | 1380 | |
de1ede7a | 1381 | /* HT */ |
ef96a842 BG |
1382 | void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, |
1383 | struct ieee80211_sta_ht_cap *ht_cap); | |
1384 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata, | |
1385 | struct ieee80211_supported_band *sband, | |
ae5eb026 | 1386 | struct ieee80211_ht_cap *ht_cap_ie, |
d9fe60de | 1387 | struct ieee80211_sta_ht_cap *ht_cap); |
b8695a8f JB |
1388 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
1389 | const u8 *da, u16 tid, | |
1390 | u16 initiator, u16 reason_code); | |
0f78231b JB |
1391 | int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, |
1392 | enum ieee80211_smps_mode smps, const u8 *da, | |
1393 | const u8 *bssid); | |
d1f5b7a3 | 1394 | void ieee80211_request_smps_work(struct work_struct *work); |
de1ede7a | 1395 | |
7c3b1dd8 | 1396 | void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 | 1397 | u16 initiator, u16 reason, bool stop); |
849b7967 | 1398 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 JB |
1399 | u16 initiator, u16 reason, bool stop); |
1400 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx); | |
de1ede7a JB |
1401 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
1402 | struct sta_info *sta, | |
1403 | struct ieee80211_mgmt *mgmt, size_t len); | |
1404 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
1405 | struct sta_info *sta, | |
1406 | struct ieee80211_mgmt *mgmt, | |
1407 | size_t len); | |
1408 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
1409 | struct sta_info *sta, | |
1410 | struct ieee80211_mgmt *mgmt, | |
1411 | size_t len); | |
1412 | ||
849b7967 | 1413 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 JB |
1414 | enum ieee80211_back_parties initiator, |
1415 | bool tx); | |
67c282c0 | 1416 | int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
53f73c09 JB |
1417 | enum ieee80211_back_parties initiator, |
1418 | bool tx); | |
5d22c89b JB |
1419 | void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); |
1420 | void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); | |
67c282c0 JB |
1421 | void ieee80211_ba_session_work(struct work_struct *work); |
1422 | void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); | |
2bff8ebf | 1423 | void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); |
849b7967 | 1424 | |
04ecd257 JB |
1425 | u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs); |
1426 | ||
818255ea MP |
1427 | /* VHT */ |
1428 | void ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata, | |
1429 | struct ieee80211_supported_band *sband, | |
1430 | struct ieee80211_vht_cap *vht_cap_ie, | |
1431 | struct ieee80211_sta_vht_cap *vht_cap); | |
39192c0b JB |
1432 | /* Spectrum management */ |
1433 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
1434 | struct ieee80211_mgmt *mgmt, | |
1435 | size_t len); | |
1436 | ||
f2753ddb JB |
1437 | /* Suspend/resume and hw reconfiguration */ |
1438 | int ieee80211_reconfig(struct ieee80211_local *local); | |
84f6a01c | 1439 | void ieee80211_stop_device(struct ieee80211_local *local); |
f2753ddb | 1440 | |
eecc4800 JB |
1441 | int __ieee80211_suspend(struct ieee80211_hw *hw, |
1442 | struct cfg80211_wowlan *wowlan); | |
f2753ddb JB |
1443 | |
1444 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) | |
1445 | { | |
85f72bc8 JL |
1446 | struct ieee80211_local *local = hw_to_local(hw); |
1447 | ||
1448 | WARN(test_bit(SCAN_HW_SCANNING, &local->scanning), | |
1449 | "%s: resume with hardware scan still in progress\n", | |
1450 | wiphy_name(hw->wiphy)); | |
1451 | ||
f2753ddb JB |
1452 | return ieee80211_reconfig(hw_to_local(hw)); |
1453 | } | |
665af4fc | 1454 | |
c2d1560a JB |
1455 | /* utility functions/constants */ |
1456 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
71364716 | 1457 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
05c914fe | 1458 | enum nl80211_iftype type); |
4ee73f33 | 1459 | int ieee80211_frame_duration(enum ieee80211_band band, size_t len, |
c2d1560a | 1460 | int rate, int erp, int short_preamble); |
f698d856 | 1461 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
e6d6e342 JB |
1462 | struct ieee80211_hdr *hdr, const u8 *tsc, |
1463 | gfp_t gfp); | |
3abead59 JB |
1464 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, |
1465 | bool bss_notify); | |
55de908a JB |
1466 | void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
1467 | enum ieee80211_band band); | |
1468 | ||
1469 | void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, | |
1470 | struct sk_buff *skb, int tid, | |
1471 | enum ieee80211_band band); | |
1472 | ||
1473 | static inline void | |
1474 | ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata, | |
1475 | struct sk_buff *skb, int tid, | |
1476 | enum ieee80211_band band) | |
1477 | { | |
1478 | rcu_read_lock(); | |
1479 | __ieee80211_tx_skb_tid_band(sdata, skb, tid, band); | |
1480 | rcu_read_unlock(); | |
1481 | } | |
cf6bb79a | 1482 | |
55de908a JB |
1483 | static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, |
1484 | struct sk_buff *skb, int tid) | |
1485 | { | |
1486 | struct ieee80211_chanctx_conf *chanctx_conf; | |
1487 | ||
1488 | rcu_read_lock(); | |
1489 | chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); | |
1490 | if (WARN_ON(!chanctx_conf)) { | |
1491 | rcu_read_unlock(); | |
1492 | kfree_skb(skb); | |
1493 | return; | |
1494 | } | |
1495 | ||
1496 | __ieee80211_tx_skb_tid_band(sdata, skb, tid, | |
1497 | chanctx_conf->channel->band); | |
1498 | rcu_read_unlock(); | |
1499 | } | |
1500 | ||
1501 | static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, | |
cf6bb79a HS |
1502 | struct sk_buff *skb) |
1503 | { | |
1504 | /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */ | |
1505 | ieee80211_tx_skb_tid(sdata, skb, 7); | |
1506 | } | |
1507 | ||
9c6bd790 JB |
1508 | void ieee802_11_parse_elems(u8 *start, size_t len, |
1509 | struct ieee802_11_elems *elems); | |
d91f36db JB |
1510 | u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, |
1511 | struct ieee802_11_elems *elems, | |
1512 | u64 filter, u32 crc); | |
881d948c | 1513 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
96dd22ac | 1514 | enum ieee80211_band band); |
f0706e82 | 1515 | |
520eb820 KV |
1516 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
1517 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); | |
1518 | void ieee80211_dynamic_ps_timer(unsigned long data); | |
a97b77b9 VN |
1519 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
1520 | struct ieee80211_sub_if_data *sdata, | |
1521 | int powersave); | |
3cf335d5 KV |
1522 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
1523 | struct ieee80211_hdr *hdr); | |
4e5ff376 | 1524 | void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata, |
04ac3c0e | 1525 | struct ieee80211_hdr *hdr, bool ack); |
520eb820 | 1526 | |
ce7c9111 KV |
1527 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
1528 | enum queue_stop_reason reason); | |
1529 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, | |
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 | } | |
ce7c9111 | 1546 | |
46900298 | 1547 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
700e8ea6 | 1548 | u16 transaction, u16 auth_alg, u16 status, |
fffd0934 | 1549 | u8 *extra, size_t extra_len, const u8 *bssid, |
efa6a09d | 1550 | const u8 *da, const u8 *key, u8 key_len, u8 key_idx); |
6ae16775 AQ |
1551 | void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata, |
1552 | const u8 *bssid, u16 stype, u16 reason, | |
1553 | bool send_frame, u8 *frame_buf); | |
de95a54b | 1554 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
4d36ec58 | 1555 | const u8 *ie, size_t ie_len, |
651b5225 JM |
1556 | enum ieee80211_band band, u32 rate_mask, |
1557 | u8 channel); | |
a619a4c0 | 1558 | struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata, |
85a237fe | 1559 | u8 *dst, u32 ratemask, |
6b77863b | 1560 | struct ieee80211_channel *chan, |
a619a4c0 | 1561 | const u8 *ssid, size_t ssid_len, |
a806c558 PS |
1562 | const u8 *ie, size_t ie_len, |
1563 | bool directed); | |
46900298 | 1564 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
de95a54b | 1565 | const u8 *ssid, size_t ssid_len, |
a806c558 | 1566 | const u8 *ie, size_t ie_len, |
fe94fe05 | 1567 | u32 ratemask, bool directed, bool no_cck, |
55de908a | 1568 | struct ieee80211_channel *channel, bool scan); |
46900298 JB |
1569 | |
1570 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, | |
1571 | const size_t supp_rates_len, | |
1572 | const u8 *supp_rates); | |
1573 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, | |
1574 | struct ieee802_11_elems *elems, | |
9ebb61a2 | 1575 | enum ieee80211_band band, u32 *basic_rates); |
0f78231b JB |
1576 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1577 | enum ieee80211_smps_mode smps_mode); | |
04ecd257 | 1578 | void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata); |
46900298 | 1579 | |
8e664fb3 JB |
1580 | size_t ieee80211_ie_split(const u8 *ies, size_t ielen, |
1581 | const u8 *ids, int n_ids, size_t offset); | |
1582 | size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); | |
ef96a842 | 1583 | u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, |
42e7aa77 | 1584 | u16 cap); |
074d46d1 JB |
1585 | u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, |
1586 | struct ieee80211_channel *channel, | |
431e3154 AN |
1587 | enum nl80211_channel_type channel_type, |
1588 | u16 prot_mode); | |
ba0afa2f MP |
1589 | u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap, |
1590 | u32 cap); | |
fc8a7321 | 1591 | int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, |
6b77863b JB |
1592 | struct sk_buff *skb, bool need_basic, |
1593 | enum ieee80211_band band); | |
fc8a7321 | 1594 | int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, |
6b77863b JB |
1595 | struct sk_buff *skb, bool need_basic, |
1596 | enum ieee80211_band band); | |
8e664fb3 | 1597 | |
f444de05 | 1598 | /* channel management */ |
42e7aa77 | 1599 | enum nl80211_channel_type |
074d46d1 | 1600 | ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation *ht_oper); |
f444de05 | 1601 | |
d01a1e65 MK |
1602 | int __must_check |
1603 | ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata, | |
1604 | struct ieee80211_channel *channel, | |
1605 | enum nl80211_channel_type channel_type, | |
1606 | enum ieee80211_chanctx_mode mode); | |
1607 | void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata); | |
1608 | ||
04ecd257 JB |
1609 | void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local, |
1610 | struct ieee80211_chanctx *chanctx); | |
1611 | ||
f4ea83dd | 1612 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1613 | #define debug_noinline noinline |
1614 | #else | |
1615 | #define debug_noinline | |
1616 | #endif | |
1617 | ||
f0706e82 | 1618 | #endif /* IEEE80211_I_H */ |