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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> | |
e039fa4a | 5 | * Copyright 2007-2008 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> |
fe7a5d5c | 26 | #include <net/ieee80211_radiotap.h> |
93da9cc1 | 27 | #include <net/cfg80211.h> |
51cb6db0 | 28 | #include <net/mac80211.h> |
2c8dccc7 | 29 | #include "key.h" |
f0706e82 JB |
30 | #include "sta_info.h" |
31 | ||
9cfb0009 | 32 | struct ieee80211_local; |
f0706e82 JB |
33 | |
34 | /* Maximum number of broadcast/multicast frames to buffer when some of the | |
35 | * associated stations are using power saving. */ | |
36 | #define AP_MAX_BC_BUFFER 128 | |
37 | ||
38 | /* Maximum number of frames buffered to all STAs, including multicast frames. | |
39 | * Note: increasing this limit increases the potential memory requirement. Each | |
40 | * frame can be up to about 2 kB long. */ | |
41 | #define TOTAL_MAX_TX_BUFFER 512 | |
42 | ||
43 | /* Required encryption head and tailroom */ | |
44 | #define IEEE80211_ENCRYPT_HEADROOM 8 | |
765cb46a | 45 | #define IEEE80211_ENCRYPT_TAILROOM 18 |
f0706e82 JB |
46 | |
47 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent | |
48 | * reception of at least three fragmented frames. This limit can be increased | |
49 | * by changing this define, at the cost of slower frame reassembly and | |
50 | * increased memory use (about 2 kB of RAM per entry). */ | |
51 | #define IEEE80211_FRAGMENT_MAX 4 | |
52 | ||
0a51b27e JB |
53 | /* |
54 | * Time after which we ignore scan results and no longer report/use | |
55 | * them in any way. | |
56 | */ | |
57 | #define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ) | |
58 | ||
20ad19d0 JB |
59 | #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024)) |
60 | ||
ab13315a KV |
61 | #define IEEE80211_DEFAULT_UAPSD_QUEUES \ |
62 | (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ | |
63 | IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ | |
64 | IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ | |
65 | IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) | |
66 | ||
67 | #define IEEE80211_DEFAULT_MAX_SP_LEN \ | |
68 | IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL | |
69 | ||
f0706e82 JB |
70 | struct ieee80211_fragment_entry { |
71 | unsigned long first_frag_time; | |
72 | unsigned int seq; | |
73 | unsigned int rx_queue; | |
74 | unsigned int last_frag; | |
75 | unsigned int extra_len; | |
76 | struct sk_buff_head skb_list; | |
77 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
78 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
79 | }; | |
80 | ||
81 | ||
c2b13452 | 82 | struct ieee80211_bss { |
00d3f14c JB |
83 | /* don't want to look up all the time */ |
84 | size_t ssid_len; | |
f0706e82 | 85 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
00d3f14c | 86 | |
98f7dfd8 | 87 | u8 dtim_period; |
00d3f14c | 88 | |
43ac2ca3 | 89 | bool wmm_used; |
ab13315a | 90 | bool uapsd_supported; |
00d3f14c JB |
91 | |
92 | unsigned long last_probe_resp; | |
93 | ||
ee385855 LCC |
94 | #ifdef CONFIG_MAC80211_MESH |
95 | u8 *mesh_id; | |
96 | size_t mesh_id_len; | |
24736701 | 97 | u8 *mesh_cfg; |
902acc78 | 98 | #endif |
00d3f14c | 99 | |
f0706e82 JB |
100 | #define IEEE80211_MAX_SUPP_RATES 32 |
101 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
102 | size_t supp_rates_len; | |
f0706e82 | 103 | |
00d3f14c JB |
104 | /* |
105 | * During assocation, we save an ERP value from a probe response so | |
5628221c DD |
106 | * that we can feed ERP info to the driver when handling the |
107 | * association completes. these fields probably won't be up-to-date | |
00d3f14c JB |
108 | * otherwise, you probably don't want to use them. |
109 | */ | |
110 | bool has_erp_value; | |
5628221c | 111 | u8 erp_value; |
f0706e82 JB |
112 | }; |
113 | ||
c2b13452 | 114 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
902acc78 JB |
115 | { |
116 | #ifdef CONFIG_MAC80211_MESH | |
117 | return bss->mesh_cfg; | |
118 | #endif | |
119 | return NULL; | |
120 | } | |
121 | ||
c2b13452 | 122 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
902acc78 JB |
123 | { |
124 | #ifdef CONFIG_MAC80211_MESH | |
125 | return bss->mesh_id; | |
126 | #endif | |
127 | return NULL; | |
128 | } | |
129 | ||
c2b13452 | 130 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
902acc78 JB |
131 | { |
132 | #ifdef CONFIG_MAC80211_MESH | |
133 | return bss->mesh_id_len; | |
134 | #endif | |
135 | return 0; | |
136 | } | |
137 | ||
f0706e82 | 138 | |
9ae54c84 JB |
139 | typedef unsigned __bitwise__ ieee80211_tx_result; |
140 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
141 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
142 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
143 | ||
5cf121c3 JB |
144 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
145 | #define IEEE80211_TX_UNICAST BIT(1) | |
146 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
5cf121c3 JB |
147 | |
148 | struct ieee80211_tx_data { | |
149 | struct sk_buff *skb; | |
5cf121c3 JB |
150 | struct ieee80211_local *local; |
151 | struct ieee80211_sub_if_data *sdata; | |
152 | struct sta_info *sta; | |
5cf121c3 | 153 | struct ieee80211_key *key; |
5cf121c3 | 154 | |
5cf121c3 | 155 | struct ieee80211_channel *channel; |
5cf121c3 | 156 | |
a4b7d7bd | 157 | u16 ethertype; |
056cdd59 | 158 | unsigned int flags; |
5cf121c3 JB |
159 | }; |
160 | ||
161 | ||
9ae54c84 | 162 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
163 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
164 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
165 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
166 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 167 | |
5cf121c3 | 168 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 169 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
170 | #define IEEE80211_RX_RA_MATCH BIT(1) |
171 | #define IEEE80211_RX_AMSDU BIT(2) | |
8c0c709e | 172 | #define IEEE80211_RX_FRAGMENTED BIT(3) |
2569a826 | 173 | /* only add flags here that do not change with subframes of an aMPDU */ |
5cf121c3 JB |
174 | |
175 | struct ieee80211_rx_data { | |
f0706e82 | 176 | struct sk_buff *skb; |
f0706e82 JB |
177 | struct ieee80211_local *local; |
178 | struct ieee80211_sub_if_data *sdata; | |
179 | struct sta_info *sta; | |
f0706e82 | 180 | struct ieee80211_key *key; |
056cdd59 | 181 | |
056cdd59 | 182 | unsigned int flags; |
5cf121c3 | 183 | int queue; |
5cf121c3 JB |
184 | u32 tkip_iv32; |
185 | u16 tkip_iv16; | |
f0706e82 JB |
186 | }; |
187 | ||
5dfdaf58 JB |
188 | struct beacon_data { |
189 | u8 *head, *tail; | |
190 | int head_len, tail_len; | |
191 | int dtim_period; | |
192 | }; | |
193 | ||
f0706e82 | 194 | struct ieee80211_if_ap { |
5dfdaf58 | 195 | struct beacon_data *beacon; |
f0706e82 | 196 | |
0ec3ca44 JB |
197 | struct list_head vlans; |
198 | ||
f0706e82 JB |
199 | /* yes, this looks ugly, but guarantees that we can later use |
200 | * bitmap_empty :) | |
004c872e | 201 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 202 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 203 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 204 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 205 | int dtim_count; |
f0706e82 JB |
206 | }; |
207 | ||
208 | struct ieee80211_if_wds { | |
f0706e82 | 209 | struct sta_info *sta; |
056cdd59 | 210 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
211 | }; |
212 | ||
213 | struct ieee80211_if_vlan { | |
0ec3ca44 | 214 | struct list_head list; |
f14543ee FF |
215 | |
216 | /* used for all tx if the VLAN is configured to 4-addr mode */ | |
217 | struct sta_info *sta; | |
f0706e82 JB |
218 | }; |
219 | ||
ee385855 | 220 | struct mesh_stats { |
c8a61a7d DW |
221 | __u32 fwded_mcast; /* Mesh forwarded multicast frames */ |
222 | __u32 fwded_unicast; /* Mesh forwarded unicast frames */ | |
223 | __u32 fwded_frames; /* Mesh total forwarded frames */ | |
ee385855 LCC |
224 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ |
225 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
226 | atomic_t estab_plinks; | |
227 | }; | |
228 | ||
229 | #define PREQ_Q_F_START 0x1 | |
230 | #define PREQ_Q_F_REFRESH 0x2 | |
231 | struct mesh_preq_queue { | |
232 | struct list_head list; | |
233 | u8 dst[ETH_ALEN]; | |
234 | u8 flags; | |
235 | }; | |
236 | ||
f679f65d | 237 | enum ieee80211_work_type { |
b8bc4b0a | 238 | IEEE80211_WORK_ABORT, |
af6b6374 | 239 | IEEE80211_WORK_DIRECT_PROBE, |
f679f65d JB |
240 | IEEE80211_WORK_AUTH, |
241 | IEEE80211_WORK_ASSOC, | |
b8bc4b0a | 242 | IEEE80211_WORK_REMAIN_ON_CHANNEL, |
77fdaa12 JB |
243 | }; |
244 | ||
af6b6374 JB |
245 | /** |
246 | * enum work_done_result - indicates what to do after work was done | |
247 | * | |
248 | * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. | |
249 | * @WORK_DONE_REQUEUE: This work item was reset to be reused, and | |
250 | * should be requeued. | |
251 | */ | |
252 | enum work_done_result { | |
253 | WORK_DONE_DESTROY, | |
254 | WORK_DONE_REQUEUE, | |
255 | }; | |
256 | ||
f679f65d | 257 | struct ieee80211_work { |
77fdaa12 | 258 | struct list_head list; |
77fdaa12 | 259 | |
af6b6374 JB |
260 | struct rcu_head rcu_head; |
261 | ||
262 | struct ieee80211_sub_if_data *sdata; | |
263 | ||
264 | enum work_done_result (*done)(struct ieee80211_work *wk, | |
265 | struct sk_buff *skb); | |
266 | ||
f679f65d | 267 | struct ieee80211_channel *chan; |
e4da8c37 | 268 | enum nl80211_channel_type chan_type; |
af6b6374 | 269 | |
f679f65d JB |
270 | unsigned long timeout; |
271 | enum ieee80211_work_type type; | |
272 | ||
af6b6374 JB |
273 | u8 filter_ta[ETH_ALEN]; |
274 | ||
e4da8c37 JB |
275 | bool started; |
276 | ||
f679f65d JB |
277 | union { |
278 | struct { | |
279 | int tries; | |
280 | u16 algorithm, transaction; | |
281 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
282 | u8 ssid_len; | |
f679f65d JB |
283 | u8 key[WLAN_KEY_LEN_WEP104]; |
284 | u8 key_len, key_idx; | |
285 | bool privacy; | |
af6b6374 | 286 | } probe_auth; |
f679f65d | 287 | struct { |
0c1ad2ca | 288 | struct cfg80211_bss *bss; |
f679f65d JB |
289 | const u8 *supp_rates; |
290 | const u8 *ht_information_ie; | |
af6b6374 | 291 | enum ieee80211_smps_mode smps; |
f679f65d JB |
292 | int tries; |
293 | u16 capability; | |
af6b6374 | 294 | u8 prev_bssid[ETH_ALEN]; |
f679f65d JB |
295 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
296 | u8 ssid_len; | |
297 | u8 supp_rates_len; | |
ab13315a | 298 | bool wmm_used, use_11n, uapsd_used; |
f679f65d | 299 | } assoc; |
b8bc4b0a | 300 | struct { |
e4da8c37 | 301 | u32 duration; |
b8bc4b0a | 302 | } remain; |
f679f65d | 303 | }; |
fffd0934 | 304 | |
f679f65d | 305 | int ie_len; |
77fdaa12 | 306 | /* must be last */ |
f679f65d | 307 | u8 ie[0]; |
77fdaa12 JB |
308 | }; |
309 | ||
46900298 | 310 | /* flags used in struct ieee80211_if_managed.flags */ |
ab1faead | 311 | enum ieee80211_sta_flags { |
b291ba11 JB |
312 | IEEE80211_STA_BEACON_POLL = BIT(0), |
313 | IEEE80211_STA_CONNECTION_POLL = BIT(1), | |
314 | IEEE80211_STA_CONTROL_PORT = BIT(2), | |
b291ba11 JB |
315 | IEEE80211_STA_DISABLE_11N = BIT(4), |
316 | IEEE80211_STA_CSA_RECEIVED = BIT(5), | |
317 | IEEE80211_STA_MFP_ENABLED = BIT(6), | |
ab13315a | 318 | IEEE80211_STA_UAPSD_ENABLED = BIT(7), |
ab1faead JB |
319 | }; |
320 | ||
46900298 | 321 | struct ieee80211_if_managed { |
056cdd59 | 322 | struct timer_list timer; |
b291ba11 JB |
323 | struct timer_list conn_mon_timer; |
324 | struct timer_list bcn_mon_timer; | |
c481ec97 | 325 | struct timer_list chswitch_timer; |
056cdd59 | 326 | struct work_struct work; |
b291ba11 | 327 | struct work_struct monitor_work; |
c481ec97 | 328 | struct work_struct chswitch_work; |
04de8381 | 329 | struct work_struct beacon_loss_work; |
46900298 | 330 | |
b291ba11 | 331 | unsigned long probe_timeout; |
a43abf29 | 332 | int probe_send_count; |
b291ba11 | 333 | |
77fdaa12 | 334 | struct mutex mtx; |
0c1ad2ca | 335 | struct cfg80211_bss *associated; |
46900298 | 336 | |
77fdaa12 | 337 | u8 bssid[ETH_ALEN]; |
46900298 | 338 | |
f0706e82 | 339 | u16 aid; |
f0706e82 | 340 | |
056cdd59 JB |
341 | struct sk_buff_head skb_queue; |
342 | ||
5bb644a0 | 343 | unsigned long timers_running; /* used for quiesce/restart */ |
965bedad | 344 | bool powersave; /* powersave requested for this iface */ |
0f78231b JB |
345 | enum ieee80211_smps_mode req_smps, /* requested smps mode */ |
346 | ap_smps; /* smps mode AP thinks we're in */ | |
965bedad | 347 | |
d6f2da5b | 348 | unsigned int flags; |
f0706e82 | 349 | |
d91f36db JB |
350 | u32 beacon_crc; |
351 | ||
fdfacf0a JM |
352 | enum { |
353 | IEEE80211_MFP_DISABLED, | |
354 | IEEE80211_MFP_OPTIONAL, | |
355 | IEEE80211_MFP_REQUIRED | |
356 | } mfp; /* management frame protection */ | |
357 | ||
f0706e82 | 358 | int wmm_last_param_set; |
9bc383de JB |
359 | |
360 | u8 use_4addr; | |
f0706e82 JB |
361 | }; |
362 | ||
46900298 JB |
363 | enum ieee80211_ibss_request { |
364 | IEEE80211_IBSS_REQ_RUN = 0, | |
365 | }; | |
366 | ||
367 | struct ieee80211_if_ibss { | |
368 | struct timer_list timer; | |
369 | struct work_struct work; | |
370 | ||
371 | struct sk_buff_head skb_queue; | |
372 | ||
af8cdcd8 JB |
373 | unsigned long request; |
374 | unsigned long last_scan_completed; | |
5bb644a0 JB |
375 | |
376 | bool timer_running; | |
377 | ||
af8cdcd8 JB |
378 | bool fixed_bssid; |
379 | bool fixed_channel; | |
fffd0934 | 380 | bool privacy; |
46900298 JB |
381 | |
382 | u8 bssid[ETH_ALEN]; | |
af8cdcd8 JB |
383 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
384 | u8 ssid_len, ie_len; | |
385 | u8 *ie; | |
386 | struct ieee80211_channel *channel; | |
46900298 JB |
387 | |
388 | unsigned long ibss_join_req; | |
af8cdcd8 JB |
389 | /* probe response/beacon for IBSS */ |
390 | struct sk_buff *presp, *skb; | |
46900298 JB |
391 | |
392 | enum { | |
393 | IEEE80211_IBSS_MLME_SEARCH, | |
394 | IEEE80211_IBSS_MLME_JOINED, | |
395 | } state; | |
396 | }; | |
397 | ||
472dbc45 JB |
398 | struct ieee80211_if_mesh { |
399 | struct work_struct work; | |
400 | struct timer_list housekeeping_timer; | |
401 | struct timer_list mesh_path_timer; | |
e304bfd3 | 402 | struct timer_list mesh_path_root_timer; |
472dbc45 JB |
403 | struct sk_buff_head skb_queue; |
404 | ||
5bb644a0 JB |
405 | unsigned long timers_running; |
406 | ||
18889231 | 407 | unsigned long wrkq_flags; |
472dbc45 JB |
408 | |
409 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
410 | size_t mesh_id_len; | |
411 | /* Active Path Selection Protocol Identifier */ | |
3491707a | 412 | u8 mesh_pp_id; |
472dbc45 | 413 | /* Active Path Selection Metric Identifier */ |
3491707a | 414 | u8 mesh_pm_id; |
472dbc45 | 415 | /* Congestion Control Mode Identifier */ |
3491707a | 416 | u8 mesh_cc_id; |
9e03fdfd | 417 | /* Synchronization Protocol Identifier */ |
3491707a | 418 | u8 mesh_sp_id; |
9e03fdfd | 419 | /* Authentication Protocol Identifier */ |
3491707a | 420 | u8 mesh_auth_id; |
d19b3bf6 RP |
421 | /* Local mesh Sequence Number */ |
422 | u32 sn; | |
472dbc45 JB |
423 | /* Last used PREQ ID */ |
424 | u32 preq_id; | |
425 | atomic_t mpaths; | |
d19b3bf6 RP |
426 | /* Timestamp of last SN update */ |
427 | unsigned long last_sn_update; | |
428 | /* Timestamp of last SN sent */ | |
472dbc45 JB |
429 | unsigned long last_preq; |
430 | struct mesh_rmc *rmc; | |
431 | spinlock_t mesh_preq_queue_lock; | |
432 | struct mesh_preq_queue preq_queue; | |
433 | int preq_queue_len; | |
434 | struct mesh_stats mshstats; | |
435 | struct mesh_config mshcfg; | |
436 | u32 mesh_seqnum; | |
437 | bool accepting_plinks; | |
472dbc45 | 438 | }; |
902acc78 JB |
439 | |
440 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
441 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
442 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 443 | #else |
472dbc45 | 444 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
445 | do { } while (0) |
446 | #endif | |
f0706e82 | 447 | |
213cd118 JB |
448 | /** |
449 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
450 | * | |
451 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
452 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
213cd118 JB |
453 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode |
454 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
455 | * associated stations and deliver multicast frames both | |
456 | * back to wireless media and to the local net stack. | |
457 | */ | |
458 | enum ieee80211_sub_if_data_flags { | |
459 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
460 | IEEE80211_SDATA_PROMISC = BIT(1), | |
7986cf95 JB |
461 | IEEE80211_SDATA_OPERATING_GMODE = BIT(2), |
462 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3), | |
213cd118 JB |
463 | }; |
464 | ||
f0706e82 JB |
465 | struct ieee80211_sub_if_data { |
466 | struct list_head list; | |
f0706e82 JB |
467 | |
468 | struct wireless_dev wdev; | |
469 | ||
11a843b7 JB |
470 | /* keys */ |
471 | struct list_head key_list; | |
472 | ||
f0706e82 JB |
473 | struct net_device *dev; |
474 | struct ieee80211_local *local; | |
475 | ||
13262ffd | 476 | unsigned int flags; |
7e9ed188 | 477 | |
f0706e82 | 478 | int drop_unencrypted; |
f0706e82 | 479 | |
47846c9b JB |
480 | char name[IFNAMSIZ]; |
481 | ||
413ad50a JB |
482 | /* |
483 | * keep track of whether the HT opmode (stored in | |
484 | * vif.bss_info.ht_operation_mode) is valid. | |
485 | */ | |
486 | bool ht_opmode_valid; | |
487 | ||
f0706e82 JB |
488 | /* Fragment table for host-based reassembly */ |
489 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
490 | unsigned int fragment_next; | |
491 | ||
492 | #define NUM_DEFAULT_KEYS 4 | |
3cfcf6ac JM |
493 | #define NUM_DEFAULT_MGMT_KEYS 2 |
494 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; | |
f0706e82 | 495 | struct ieee80211_key *default_key; |
3cfcf6ac | 496 | struct ieee80211_key *default_mgmt_key; |
f0706e82 | 497 | |
94778280 JB |
498 | u16 sequence_number; |
499 | ||
471b3efd | 500 | /* |
3e122be0 JB |
501 | * AP this belongs to: self in AP mode and |
502 | * corresponding AP in VLAN mode, NULL for | |
503 | * all others (might be needed later in IBSS) | |
471b3efd | 504 | */ |
3e122be0 JB |
505 | struct ieee80211_if_ap *bss; |
506 | ||
37eb0b16 JM |
507 | /* bitmap of allowed (non-MCS) rate indexes for rate control */ |
508 | u32 rc_rateidx_mask[IEEE80211_NUM_BANDS]; | |
f0706e82 JB |
509 | |
510 | union { | |
511 | struct ieee80211_if_ap ap; | |
512 | struct ieee80211_if_wds wds; | |
513 | struct ieee80211_if_vlan vlan; | |
46900298 JB |
514 | struct ieee80211_if_managed mgd; |
515 | struct ieee80211_if_ibss ibss; | |
472dbc45 JB |
516 | #ifdef CONFIG_MAC80211_MESH |
517 | struct ieee80211_if_mesh mesh; | |
518 | #endif | |
8cc9a739 | 519 | u32 mntr_flags; |
f0706e82 | 520 | } u; |
e9f207f0 JB |
521 | |
522 | #ifdef CONFIG_MAC80211_DEBUGFS | |
2b58b209 | 523 | struct { |
7bcfaf2f | 524 | struct dentry *dir; |
2b58b209 | 525 | struct dentry *default_key; |
3cfcf6ac | 526 | struct dentry *default_mgmt_key; |
7bcfaf2f | 527 | } debugfs; |
e9f207f0 | 528 | #endif |
32bfd35d JB |
529 | /* must be last, dynamically sized area in this! */ |
530 | struct ieee80211_vif vif; | |
f0706e82 JB |
531 | }; |
532 | ||
32bfd35d JB |
533 | static inline |
534 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
535 | { | |
536 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
537 | } | |
538 | ||
472dbc45 JB |
539 | static inline void |
540 | ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, | |
541 | u8 mesh_id_len, u8 *mesh_id) | |
542 | { | |
543 | #ifdef CONFIG_MAC80211_MESH | |
544 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
545 | ifmsh->mesh_id_len = mesh_id_len; | |
546 | memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); | |
547 | #else | |
548 | WARN_ON(1); | |
549 | #endif | |
550 | } | |
551 | ||
f0706e82 JB |
552 | enum { |
553 | IEEE80211_RX_MSG = 1, | |
554 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
555 | IEEE80211_DELBA_MSG = 3, |
556 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
557 | }; |
558 | ||
ce7c9111 KV |
559 | enum queue_stop_reason { |
560 | IEEE80211_QUEUE_STOP_REASON_DRIVER, | |
520eb820 | 561 | IEEE80211_QUEUE_STOP_REASON_PS, |
96f5e66e JB |
562 | IEEE80211_QUEUE_STOP_REASON_CSA, |
563 | IEEE80211_QUEUE_STOP_REASON_AGGREGATION, | |
25420604 | 564 | IEEE80211_QUEUE_STOP_REASON_SUSPEND, |
8f77f384 | 565 | IEEE80211_QUEUE_STOP_REASON_SKB_ADD, |
ce7c9111 KV |
566 | }; |
567 | ||
142b9f50 HS |
568 | /** |
569 | * mac80211 scan flags - currently active scan mode | |
570 | * | |
571 | * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as | |
572 | * well be on the operating channel | |
573 | * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to | |
574 | * determine if we are on the operating channel or not | |
575 | * @SCAN_OFF_CHANNEL: We're off our operating channel for scanning, | |
576 | * gets only set in conjunction with SCAN_SW_SCANNING | |
577 | */ | |
fbe9c429 HS |
578 | enum { |
579 | SCAN_SW_SCANNING, | |
142b9f50 HS |
580 | SCAN_HW_SCANNING, |
581 | SCAN_OFF_CHANNEL, | |
582 | }; | |
583 | ||
584 | /** | |
585 | * enum mac80211_scan_state - scan state machine states | |
586 | * | |
587 | * @SCAN_DECISION: Main entry point to the scan state machine, this state | |
588 | * determines if we should keep on scanning or switch back to the | |
589 | * operating channel | |
590 | * @SCAN_SET_CHANNEL: Set the next channel to be scanned | |
591 | * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses | |
592 | * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP | |
593 | * about us leaving the channel and stop all associated STA interfaces | |
594 | * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the | |
595 | * AP about us being back and restart all associated STA interfaces | |
596 | */ | |
597 | enum mac80211_scan_state { | |
598 | SCAN_DECISION, | |
599 | SCAN_SET_CHANNEL, | |
600 | SCAN_SEND_PROBE, | |
601 | SCAN_LEAVE_OPER_CHANNEL, | |
602 | SCAN_ENTER_OPER_CHANNEL, | |
fbe9c429 HS |
603 | }; |
604 | ||
f0706e82 JB |
605 | struct ieee80211_local { |
606 | /* embed the driver visible part. | |
607 | * don't cast (use the static inlines below), but we keep | |
608 | * it first anyway so they become a no-op */ | |
609 | struct ieee80211_hw hw; | |
610 | ||
611 | const struct ieee80211_ops *ops; | |
612 | ||
af6b6374 JB |
613 | /* |
614 | * work stuff, potentially off-channel (in the future) | |
615 | */ | |
616 | struct mutex work_mtx; | |
617 | struct list_head work_list; | |
618 | struct timer_list work_timer; | |
619 | struct work_struct work_work; | |
620 | struct sk_buff_head work_skb_queue; | |
621 | ||
42935eca LR |
622 | /* |
623 | * private workqueue to mac80211. mac80211 makes this accessible | |
624 | * via ieee80211_queue_work() | |
625 | */ | |
626 | struct workqueue_struct *workqueue; | |
627 | ||
e4e72fb4 | 628 | unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; |
96f5e66e | 629 | /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ |
ce7c9111 | 630 | spinlock_t queue_stop_reason_lock; |
96f5e66e | 631 | |
f0706e82 | 632 | int open_count; |
3d30d949 | 633 | int monitors, cooked_mntrs; |
8cc9a739 | 634 | /* number of interfaces with corresponding FIF_ flags */ |
e3b90ca2 | 635 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll; |
4150c572 | 636 | unsigned int filter_flags; /* FIF_* */ |
3b8d81e0 JB |
637 | |
638 | /* protects the aggregated multicast list and filter calls */ | |
639 | spinlock_t filter_lock; | |
640 | ||
3ac64bee JB |
641 | /* used for uploading changed mc list */ |
642 | struct work_struct reconfig_filter; | |
643 | ||
0f78231b JB |
644 | /* used to reconfigure hardware SM PS */ |
645 | struct work_struct recalc_smps; | |
646 | ||
3b8d81e0 JB |
647 | /* aggregated multicast list */ |
648 | struct dev_addr_list *mc_list; | |
649 | int mc_count; | |
650 | ||
d0709a65 | 651 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
5bb644a0 JB |
652 | |
653 | /* | |
654 | * suspended is true if we finished all the suspend _and_ we have | |
655 | * not yet come up from resume. This is to be used by mac80211 | |
656 | * to ensure driver sanity during suspend and mac80211's own | |
657 | * sanity. It can eventually be used for WoW as well. | |
658 | */ | |
659 | bool suspended; | |
660 | ||
ceb99fe0 JB |
661 | /* |
662 | * Resuming is true while suspended, but when we're reprogramming the | |
663 | * hardware -- at that time it's allowed to use ieee80211_queue_work() | |
664 | * again even though some other parts of the stack are still suspended | |
665 | * and we still drop received frames to avoid waking the stack. | |
666 | */ | |
667 | bool resuming; | |
668 | ||
5bb644a0 JB |
669 | /* |
670 | * quiescing is true during the suspend process _only_ to | |
671 | * ease timer cancelling etc. | |
672 | */ | |
673 | bool quiescing; | |
674 | ||
ea77f12f JB |
675 | /* device is started */ |
676 | bool started; | |
677 | ||
b306f453 | 678 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 679 | |
f0706e82 JB |
680 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
681 | * added to skb_queue will be processed, but frames in | |
682 | * skb_queue_unreliable may be dropped if the total length of these | |
683 | * queues increases over the limit. */ | |
684 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
685 | struct tasklet_struct tasklet; | |
686 | struct sk_buff_head skb_queue; | |
687 | struct sk_buff_head skb_queue_unreliable; | |
688 | ||
d0709a65 JB |
689 | /* Station data */ |
690 | /* | |
691 | * The lock only protects the list, hash, timer and counter | |
692 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 693 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
694 | */ |
695 | spinlock_t sta_lock; | |
696 | unsigned long num_sta; | |
f0706e82 | 697 | struct list_head sta_list; |
f0706e82 JB |
698 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
699 | struct timer_list sta_cleanup; | |
f5ea9120 | 700 | int sta_generation; |
f0706e82 | 701 | |
2a577d98 | 702 | struct sk_buff_head pending[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
703 | struct tasklet_struct tx_pending_tasklet; |
704 | ||
cd8ffc80 JB |
705 | /* |
706 | * This lock is used to prevent concurrent A-MPDU | |
707 | * session start/stop processing, this thus also | |
708 | * synchronises the ->ampdu_action() callback to | |
709 | * drivers and limits it to one at a time. | |
710 | */ | |
711 | spinlock_t ampdu_lock; | |
712 | ||
53918994 JB |
713 | /* number of interfaces with corresponding IFF_ flags */ |
714 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
715 | |
716 | struct rate_control_ref *rate_ctrl; | |
717 | ||
f0706e82 JB |
718 | struct crypto_blkcipher *wep_tx_tfm; |
719 | struct crypto_blkcipher *wep_rx_tfm; | |
720 | u32 wep_iv; | |
f0706e82 | 721 | |
c771c9d8 | 722 | /* see iface.c */ |
79010420 | 723 | struct list_head interfaces; |
c771c9d8 | 724 | struct mutex iflist_mtx; |
79010420 | 725 | |
b16bd15c JB |
726 | /* |
727 | * Key lock, protects sdata's key_list and sta_info's | |
728 | * key pointers (write access, they're RCU.) | |
729 | */ | |
730 | spinlock_t key_lock; | |
731 | ||
732 | ||
c2b13452 | 733 | /* Scanning and BSS list */ |
f3b85252 | 734 | struct mutex scan_mtx; |
fbe9c429 | 735 | unsigned long scanning; |
2a519311 | 736 | struct cfg80211_ssid scan_ssid; |
5ba63533 | 737 | struct cfg80211_scan_request *int_scan_req; |
4d36ec58 | 738 | struct cfg80211_scan_request *scan_req, *hw_scan_req; |
2a519311 | 739 | struct ieee80211_channel *scan_channel; |
4d36ec58 | 740 | enum ieee80211_band hw_scan_band; |
f0706e82 | 741 | int scan_channel_idx; |
de95a54b | 742 | int scan_ies_len; |
8318d78a | 743 | |
977923b0 | 744 | enum mac80211_scan_state next_scan_state; |
f0706e82 | 745 | struct delayed_work scan_work; |
491775a5 | 746 | struct ieee80211_sub_if_data *scan_sdata; |
094d05dc | 747 | enum nl80211_channel_type oper_channel_type; |
2a519311 | 748 | struct ieee80211_channel *oper_channel, *csa_channel; |
f0706e82 | 749 | |
b8bc4b0a JB |
750 | /* Temporary remain-on-channel for off-channel operations */ |
751 | struct ieee80211_channel *tmp_channel; | |
752 | enum nl80211_channel_type tmp_channel_type; | |
753 | ||
f0706e82 JB |
754 | /* SNMP counters */ |
755 | /* dot11CountersTable */ | |
756 | u32 dot11TransmittedFragmentCount; | |
757 | u32 dot11MulticastTransmittedFrameCount; | |
758 | u32 dot11FailedCount; | |
759 | u32 dot11RetryCount; | |
760 | u32 dot11MultipleRetryCount; | |
761 | u32 dot11FrameDuplicateCount; | |
762 | u32 dot11ReceivedFragmentCount; | |
763 | u32 dot11MulticastReceivedFrameCount; | |
764 | u32 dot11TransmittedFrameCount; | |
f0706e82 JB |
765 | |
766 | #ifdef CONFIG_MAC80211_LEDS | |
767 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
768 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
769 | char tx_led_name[32], rx_led_name[32], | |
770 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
771 | #endif |
772 | ||
e9f207f0 JB |
773 | #ifdef CONFIG_MAC80211_DEBUGFS |
774 | struct work_struct sta_debugfs_add; | |
775 | #endif | |
776 | ||
f0706e82 JB |
777 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
778 | /* TX/RX handler statistics */ | |
779 | unsigned int tx_handlers_drop; | |
780 | unsigned int tx_handlers_queued; | |
781 | unsigned int tx_handlers_drop_unencrypted; | |
782 | unsigned int tx_handlers_drop_fragment; | |
783 | unsigned int tx_handlers_drop_wep; | |
784 | unsigned int tx_handlers_drop_not_assoc; | |
785 | unsigned int tx_handlers_drop_unauth_port; | |
786 | unsigned int rx_handlers_drop; | |
787 | unsigned int rx_handlers_queued; | |
788 | unsigned int rx_handlers_drop_nullfunc; | |
789 | unsigned int rx_handlers_drop_defrag; | |
790 | unsigned int rx_handlers_drop_short; | |
791 | unsigned int rx_handlers_drop_passive_scan; | |
792 | unsigned int tx_expand_skb_head; | |
793 | unsigned int tx_expand_skb_head_cloned; | |
794 | unsigned int rx_expand_skb_head; | |
795 | unsigned int rx_expand_skb_head2; | |
796 | unsigned int rx_handlers_fragments; | |
797 | unsigned int tx_status_drop; | |
f0706e82 JB |
798 | #define I802_DEBUG_INC(c) (c)++ |
799 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
800 | #define I802_DEBUG_INC(c) do { } while (0) | |
801 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
802 | ||
803 | ||
f0706e82 JB |
804 | int total_ps_buffered; /* total number of all buffered unicast and |
805 | * multicast packets for power saving stations | |
806 | */ | |
f0706e82 JB |
807 | int wifi_wme_noack_test; |
808 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
520eb820 | 809 | |
50ae0cf1 KV |
810 | /* |
811 | * Bitmask of enabled u-apsd queues, | |
812 | * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association | |
813 | * to take effect. | |
814 | */ | |
815 | unsigned int uapsd_queues; | |
816 | ||
817 | /* | |
818 | * Maximum number of buffered frames AP can deliver during a | |
819 | * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar. | |
820 | * Needs a new association to take effect. | |
821 | */ | |
822 | unsigned int uapsd_max_sp_len; | |
823 | ||
572e0012 | 824 | bool pspolling; |
b203ffc3 | 825 | bool offchannel_ps_enabled; |
965bedad JB |
826 | /* |
827 | * PS can only be enabled when we have exactly one managed | |
828 | * interface (and monitors) in PS, this then points there. | |
829 | */ | |
830 | struct ieee80211_sub_if_data *ps_sdata; | |
520eb820 KV |
831 | struct work_struct dynamic_ps_enable_work; |
832 | struct work_struct dynamic_ps_disable_work; | |
833 | struct timer_list dynamic_ps_timer; | |
10f644a4 | 834 | struct notifier_block network_latency_notifier; |
f0706e82 | 835 | |
2bf30fab | 836 | int user_power_level; /* in dBm */ |
a8302de9 | 837 | int power_constr_level; /* in dBm */ |
2bf30fab | 838 | |
0f78231b JB |
839 | enum ieee80211_smps_mode smps_mode; |
840 | ||
f2753ddb JB |
841 | struct work_struct restart_work; |
842 | ||
e9f207f0 JB |
843 | #ifdef CONFIG_MAC80211_DEBUGFS |
844 | struct local_debugfsdentries { | |
4b7679a5 | 845 | struct dentry *rcdir; |
e9f207f0 JB |
846 | struct dentry *stations; |
847 | struct dentry *keys; | |
848 | } debugfs; | |
849 | #endif | |
f0706e82 JB |
850 | }; |
851 | ||
3e122be0 JB |
852 | static inline struct ieee80211_sub_if_data * |
853 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
854 | { | |
3e122be0 JB |
855 | return netdev_priv(dev); |
856 | } | |
857 | ||
c951ad35 | 858 | /* this struct represents 802.11n's RA/TID combination along with our vif */ |
eadc8d9e | 859 | struct ieee80211_ra_tid { |
c951ad35 | 860 | struct ieee80211_vif *vif; |
eadc8d9e RR |
861 | u8 ra[ETH_ALEN]; |
862 | u16 tid; | |
863 | }; | |
864 | ||
ee385855 LCC |
865 | /* Parsed Information Elements */ |
866 | struct ieee802_11_elems { | |
43ac2ca3 JM |
867 | u8 *ie_start; |
868 | size_t total_len; | |
869 | ||
ee385855 LCC |
870 | /* pointers to IEs */ |
871 | u8 *ssid; | |
872 | u8 *supp_rates; | |
873 | u8 *fh_params; | |
874 | u8 *ds_params; | |
875 | u8 *cf_params; | |
e7ec86f5 | 876 | struct ieee80211_tim_ie *tim; |
ee385855 LCC |
877 | u8 *ibss_params; |
878 | u8 *challenge; | |
879 | u8 *wpa; | |
880 | u8 *rsn; | |
881 | u8 *erp_info; | |
882 | u8 *ext_supp_rates; | |
883 | u8 *wmm_info; | |
884 | u8 *wmm_param; | |
09914813 | 885 | struct ieee80211_ht_cap *ht_cap_elem; |
d9fe60de | 886 | struct ieee80211_ht_info *ht_info_elem; |
136cfa28 | 887 | struct ieee80211_meshconf_ie *mesh_config; |
ee385855 LCC |
888 | u8 *mesh_id; |
889 | u8 *peer_link; | |
890 | u8 *preq; | |
891 | u8 *prep; | |
892 | u8 *perr; | |
90a5e169 | 893 | struct ieee80211_rann_ie *rann; |
f2df3859 AK |
894 | u8 *ch_switch_elem; |
895 | u8 *country_elem; | |
896 | u8 *pwr_constr_elem; | |
897 | u8 *quiet_elem; /* first quite element */ | |
f797eb7e | 898 | u8 *timeout_int; |
ee385855 LCC |
899 | |
900 | /* length of them, respectively */ | |
901 | u8 ssid_len; | |
902 | u8 supp_rates_len; | |
903 | u8 fh_params_len; | |
904 | u8 ds_params_len; | |
905 | u8 cf_params_len; | |
906 | u8 tim_len; | |
907 | u8 ibss_params_len; | |
908 | u8 challenge_len; | |
909 | u8 wpa_len; | |
910 | u8 rsn_len; | |
911 | u8 erp_info_len; | |
912 | u8 ext_supp_rates_len; | |
913 | u8 wmm_info_len; | |
914 | u8 wmm_param_len; | |
ee385855 LCC |
915 | u8 mesh_id_len; |
916 | u8 peer_link_len; | |
917 | u8 preq_len; | |
918 | u8 prep_len; | |
919 | u8 perr_len; | |
f2df3859 AK |
920 | u8 ch_switch_elem_len; |
921 | u8 country_elem_len; | |
922 | u8 pwr_constr_elem_len; | |
923 | u8 quiet_elem_len; | |
924 | u8 num_of_quiet_elem; /* can be more the one */ | |
f797eb7e | 925 | u8 timeout_int_len; |
ee385855 LCC |
926 | }; |
927 | ||
f0706e82 JB |
928 | static inline struct ieee80211_local *hw_to_local( |
929 | struct ieee80211_hw *hw) | |
930 | { | |
931 | return container_of(hw, struct ieee80211_local, hw); | |
932 | } | |
933 | ||
934 | static inline struct ieee80211_hw *local_to_hw( | |
935 | struct ieee80211_local *local) | |
936 | { | |
937 | return &local->hw; | |
938 | } | |
939 | ||
f0706e82 | 940 | |
571ecf67 JB |
941 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
942 | { | |
943 | return compare_ether_addr(raddr, addr) == 0 || | |
944 | is_broadcast_ether_addr(raddr); | |
945 | } | |
946 | ||
947 | ||
e8975581 | 948 | int ieee80211_hw_config(struct ieee80211_local *local, u32 changed); |
5cf121c3 | 949 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
9c6bd790 JB |
950 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
951 | u32 changed); | |
0d143fe1 | 952 | void ieee80211_configure_filter(struct ieee80211_local *local); |
46900298 | 953 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
f0706e82 | 954 | |
f38fd12f JB |
955 | extern bool ieee80211_disable_40mhz_24ghz; |
956 | ||
46900298 | 957 | /* STA code */ |
9c6bd790 | 958 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); |
77fdaa12 JB |
959 | int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, |
960 | struct cfg80211_auth_request *req); | |
961 | int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, | |
962 | struct cfg80211_assoc_request *req); | |
963 | int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, | |
667503dd JB |
964 | struct cfg80211_deauth_request *req, |
965 | void *cookie); | |
77fdaa12 | 966 | int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, |
667503dd JB |
967 | struct cfg80211_disassoc_request *req, |
968 | void *cookie); | |
46900298 | 969 | ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, |
f1d58c25 | 970 | struct sk_buff *skb); |
572e0012 KV |
971 | void ieee80211_send_pspoll(struct ieee80211_local *local, |
972 | struct ieee80211_sub_if_data *sdata); | |
10f644a4 JB |
973 | void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency); |
974 | int ieee80211_max_network_latency(struct notifier_block *nb, | |
975 | unsigned long data, void *dummy); | |
cc32abd4 JB |
976 | void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, |
977 | struct ieee80211_channel_sw_ie *sw_elem, | |
978 | struct ieee80211_bss *bss); | |
5bb644a0 JB |
979 | void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata); |
980 | void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata); | |
9c6bd790 | 981 | |
46900298 | 982 | /* IBSS code */ |
46900298 JB |
983 | void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local); |
984 | void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
985 | ieee80211_rx_result | |
f1d58c25 | 986 | ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
46900298 JB |
987 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, |
988 | u8 *bssid, u8 *addr, u32 supp_rates); | |
af8cdcd8 JB |
989 | int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, |
990 | struct cfg80211_ibss_params *params); | |
991 | int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata); | |
5bb644a0 JB |
992 | void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata); |
993 | void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata); | |
46900298 | 994 | |
9c6bd790 | 995 | /* scan/BSS handling */ |
46900298 | 996 | void ieee80211_scan_work(struct work_struct *work); |
f3b85252 JB |
997 | int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, |
998 | const u8 *ssid, u8 ssid_len); | |
c2b13452 | 999 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
2a519311 | 1000 | struct cfg80211_scan_request *req); |
5bb644a0 | 1001 | void ieee80211_scan_cancel(struct ieee80211_local *local); |
c2b13452 | 1002 | ieee80211_rx_result |
f1d58c25 | 1003 | ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
9c6bd790 | 1004 | |
0a51b27e | 1005 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
c2b13452 | 1006 | struct ieee80211_bss * |
98c8fccf JB |
1007 | ieee80211_bss_info_update(struct ieee80211_local *local, |
1008 | struct ieee80211_rx_status *rx_status, | |
1009 | struct ieee80211_mgmt *mgmt, | |
1010 | size_t len, | |
1011 | struct ieee802_11_elems *elems, | |
2a519311 JB |
1012 | struct ieee80211_channel *channel, |
1013 | bool beacon); | |
c2b13452 | 1014 | struct ieee80211_bss * |
5484e237 JB |
1015 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, |
1016 | u8 *ssid, u8 ssid_len); | |
98c8fccf | 1017 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 1018 | struct ieee80211_bss *bss); |
ee385855 | 1019 | |
b203ffc3 JM |
1020 | /* off-channel helpers */ |
1021 | void ieee80211_offchannel_stop_beaconing(struct ieee80211_local *local); | |
1022 | void ieee80211_offchannel_stop_station(struct ieee80211_local *local); | |
1023 | void ieee80211_offchannel_return(struct ieee80211_local *local, | |
1024 | bool enable_beaconing); | |
1025 | ||
3e122be0 | 1026 | /* interface handling */ |
47846c9b JB |
1027 | int ieee80211_iface_init(void); |
1028 | void ieee80211_iface_exit(void); | |
3e122be0 | 1029 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
05c914fe | 1030 | struct net_device **new_dev, enum nl80211_iftype type, |
ee385855 | 1031 | struct vif_params *params); |
f3947e2d | 1032 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
05c914fe | 1033 | enum nl80211_iftype type); |
f698d856 | 1034 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 1035 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
5cff20e6 JB |
1036 | u32 __ieee80211_recalc_idle(struct ieee80211_local *local); |
1037 | void ieee80211_recalc_idle(struct ieee80211_local *local); | |
f0706e82 | 1038 | |
9607e6b6 JB |
1039 | static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata) |
1040 | { | |
1041 | return netif_running(sdata->dev); | |
1042 | } | |
1043 | ||
e2ebc74d | 1044 | /* tx handling */ |
e2ebc74d JB |
1045 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
1046 | void ieee80211_tx_pending(unsigned long data); | |
d0cf9c0d SH |
1047 | netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, |
1048 | struct net_device *dev); | |
1049 | netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, | |
1050 | struct net_device *dev); | |
e2ebc74d | 1051 | |
fe7a5d5c JB |
1052 | /* |
1053 | * radiotap header for status frames | |
1054 | */ | |
1055 | struct ieee80211_tx_status_rtap_hdr { | |
1056 | struct ieee80211_radiotap_header hdr; | |
1057 | u8 rate; | |
1058 | u8 padding_for_rate; | |
1059 | __le16 tx_flags; | |
1060 | u8 data_retries; | |
1061 | } __attribute__ ((packed)); | |
1062 | ||
1063 | ||
de1ede7a | 1064 | /* HT */ |
ae5eb026 JB |
1065 | void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband, |
1066 | struct ieee80211_ht_cap *ht_cap_ie, | |
d9fe60de | 1067 | struct ieee80211_sta_ht_cap *ht_cap); |
de1ede7a | 1068 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); |
b8695a8f JB |
1069 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, |
1070 | const u8 *da, u16 tid, | |
1071 | u16 initiator, u16 reason_code); | |
0f78231b JB |
1072 | int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata, |
1073 | enum ieee80211_smps_mode smps, const u8 *da, | |
1074 | const u8 *bssid); | |
de1ede7a JB |
1075 | |
1076 | void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da, | |
1077 | u16 tid, u16 initiator, u16 reason); | |
849b7967 JB |
1078 | void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, |
1079 | u16 initiator, u16 reason); | |
2dace10e | 1080 | void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta); |
de1ede7a JB |
1081 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, |
1082 | struct sta_info *sta, | |
1083 | struct ieee80211_mgmt *mgmt, size_t len); | |
1084 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
1085 | struct sta_info *sta, | |
1086 | struct ieee80211_mgmt *mgmt, | |
1087 | size_t len); | |
1088 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
1089 | struct sta_info *sta, | |
1090 | struct ieee80211_mgmt *mgmt, | |
1091 | size_t len); | |
1092 | ||
849b7967 JB |
1093 | int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
1094 | enum ieee80211_back_parties initiator); | |
827d42c9 JB |
1095 | int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, |
1096 | enum ieee80211_back_parties initiator); | |
849b7967 | 1097 | |
39192c0b JB |
1098 | /* Spectrum management */ |
1099 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
1100 | struct ieee80211_mgmt *mgmt, | |
1101 | size_t len); | |
1102 | ||
f2753ddb JB |
1103 | /* Suspend/resume and hw reconfiguration */ |
1104 | int ieee80211_reconfig(struct ieee80211_local *local); | |
84f6a01c | 1105 | void ieee80211_stop_device(struct ieee80211_local *local); |
f2753ddb | 1106 | |
827b1fb4 | 1107 | #ifdef CONFIG_PM |
665af4fc | 1108 | int __ieee80211_suspend(struct ieee80211_hw *hw); |
f2753ddb JB |
1109 | |
1110 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) | |
1111 | { | |
1112 | return ieee80211_reconfig(hw_to_local(hw)); | |
1113 | } | |
827b1fb4 JB |
1114 | #else |
1115 | static inline int __ieee80211_suspend(struct ieee80211_hw *hw) | |
1116 | { | |
1117 | return 0; | |
1118 | } | |
f2753ddb | 1119 | |
827b1fb4 JB |
1120 | static inline int __ieee80211_resume(struct ieee80211_hw *hw) |
1121 | { | |
1122 | return 0; | |
1123 | } | |
1124 | #endif | |
665af4fc | 1125 | |
c2d1560a JB |
1126 | /* utility functions/constants */ |
1127 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
71364716 | 1128 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
05c914fe | 1129 | enum nl80211_iftype type); |
c2d1560a JB |
1130 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
1131 | int rate, int erp, int short_preamble); | |
f698d856 | 1132 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
e6d6e342 JB |
1133 | struct ieee80211_hdr *hdr, const u8 *tsc, |
1134 | gfp_t gfp); | |
5825fe10 | 1135 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); |
62ae67be | 1136 | void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); |
9c6bd790 JB |
1137 | void ieee802_11_parse_elems(u8 *start, size_t len, |
1138 | struct ieee802_11_elems *elems); | |
d91f36db JB |
1139 | u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, |
1140 | struct ieee802_11_elems *elems, | |
1141 | u64 filter, u32 crc); | |
881d948c | 1142 | u32 ieee80211_mandatory_rates(struct ieee80211_local *local, |
96dd22ac | 1143 | enum ieee80211_band band); |
f0706e82 | 1144 | |
520eb820 KV |
1145 | void ieee80211_dynamic_ps_enable_work(struct work_struct *work); |
1146 | void ieee80211_dynamic_ps_disable_work(struct work_struct *work); | |
1147 | void ieee80211_dynamic_ps_timer(unsigned long data); | |
a97b77b9 VN |
1148 | void ieee80211_send_nullfunc(struct ieee80211_local *local, |
1149 | struct ieee80211_sub_if_data *sdata, | |
1150 | int powersave); | |
3cf335d5 KV |
1151 | void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata, |
1152 | struct ieee80211_hdr *hdr); | |
04de8381 | 1153 | void ieee80211_beacon_loss_work(struct work_struct *work); |
520eb820 | 1154 | |
ce7c9111 KV |
1155 | void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw, |
1156 | enum queue_stop_reason reason); | |
1157 | void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw, | |
1158 | enum queue_stop_reason reason); | |
96f5e66e JB |
1159 | void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, |
1160 | enum queue_stop_reason reason); | |
1161 | void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, | |
1162 | enum queue_stop_reason reason); | |
8f77f384 JB |
1163 | void ieee80211_add_pending_skb(struct ieee80211_local *local, |
1164 | struct sk_buff *skb); | |
1165 | int ieee80211_add_pending_skbs(struct ieee80211_local *local, | |
1166 | struct sk_buff_head *skbs); | |
ce7c9111 | 1167 | |
46900298 JB |
1168 | void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, |
1169 | u16 transaction, u16 auth_alg, | |
fffd0934 JB |
1170 | u8 *extra, size_t extra_len, const u8 *bssid, |
1171 | const u8 *key, u8 key_len, u8 key_idx); | |
de95a54b | 1172 | int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, |
4d36ec58 JB |
1173 | const u8 *ie, size_t ie_len, |
1174 | enum ieee80211_band band); | |
46900298 | 1175 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
de95a54b JB |
1176 | const u8 *ssid, size_t ssid_len, |
1177 | const u8 *ie, size_t ie_len); | |
46900298 JB |
1178 | |
1179 | void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, | |
1180 | const size_t supp_rates_len, | |
1181 | const u8 *supp_rates); | |
1182 | u32 ieee80211_sta_get_rates(struct ieee80211_local *local, | |
1183 | struct ieee802_11_elems *elems, | |
1184 | enum ieee80211_band band); | |
0f78231b JB |
1185 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1186 | enum ieee80211_smps_mode smps_mode); | |
1187 | void ieee80211_recalc_smps(struct ieee80211_local *local, | |
1188 | struct ieee80211_sub_if_data *forsdata); | |
46900298 | 1189 | |
8e664fb3 JB |
1190 | size_t ieee80211_ie_split(const u8 *ies, size_t ielen, |
1191 | const u8 *ids, int n_ids, size_t offset); | |
1192 | size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset); | |
1193 | ||
af6b6374 JB |
1194 | /* internal work items */ |
1195 | void ieee80211_work_init(struct ieee80211_local *local); | |
1196 | void ieee80211_add_work(struct ieee80211_work *wk); | |
1197 | void free_work(struct ieee80211_work *wk); | |
1198 | void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); | |
1199 | ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata, | |
1200 | struct sk_buff *skb); | |
b8bc4b0a JB |
1201 | int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, |
1202 | struct ieee80211_channel *chan, | |
1203 | enum nl80211_channel_type channel_type, | |
1204 | unsigned int duration, u64 *cookie); | |
1205 | int ieee80211_wk_cancel_remain_on_channel( | |
1206 | struct ieee80211_sub_if_data *sdata, u64 cookie); | |
af6b6374 | 1207 | |
f4ea83dd | 1208 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1209 | #define debug_noinline noinline |
1210 | #else | |
1211 | #define debug_noinline | |
1212 | #endif | |
1213 | ||
f0706e82 | 1214 | #endif /* IEEE80211_I_H */ |