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> |
f0706e82 | 26 | #include <net/wireless.h> |
ccc58057 | 27 | #include <net/iw_handler.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 | |
45 | #define IEEE80211_ENCRYPT_TAILROOM 12 | |
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 | ||
f0706e82 JB |
59 | struct ieee80211_fragment_entry { |
60 | unsigned long first_frag_time; | |
61 | unsigned int seq; | |
62 | unsigned int rx_queue; | |
63 | unsigned int last_frag; | |
64 | unsigned int extra_len; | |
65 | struct sk_buff_head skb_list; | |
66 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
67 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
68 | }; | |
69 | ||
70 | ||
c2b13452 | 71 | struct ieee80211_bss { |
f0706e82 | 72 | struct list_head list; |
c2b13452 | 73 | struct ieee80211_bss *hnext; |
056cdd59 JB |
74 | size_t ssid_len; |
75 | ||
f0706e82 JB |
76 | atomic_t users; |
77 | ||
78 | u8 bssid[ETH_ALEN]; | |
79 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
98f7dfd8 | 80 | u8 dtim_period; |
f0706e82 | 81 | u16 capability; /* host byte order */ |
8318d78a | 82 | enum ieee80211_band band; |
f0706e82 | 83 | int freq; |
566bfe5a | 84 | int signal, noise, qual; |
43ac2ca3 JM |
85 | u8 *ies; /* all information elements from the last Beacon or Probe |
86 | * Response frames; note Beacon frame is not allowed to | |
87 | * override values from Probe Response */ | |
88 | size_t ies_len; | |
89 | bool wmm_used; | |
ee385855 LCC |
90 | #ifdef CONFIG_MAC80211_MESH |
91 | u8 *mesh_id; | |
92 | size_t mesh_id_len; | |
24736701 | 93 | u8 *mesh_cfg; |
902acc78 | 94 | #endif |
f0706e82 JB |
95 | #define IEEE80211_MAX_SUPP_RATES 32 |
96 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
97 | size_t supp_rates_len; | |
f0706e82 | 98 | u64 timestamp; |
056cdd59 | 99 | int beacon_int; |
f0706e82 | 100 | |
9859b81e | 101 | unsigned long last_probe_resp; |
f0706e82 JB |
102 | unsigned long last_update; |
103 | ||
5628221c DD |
104 | /* during assocation, we save an ERP value from a probe response so |
105 | * that we can feed ERP info to the driver when handling the | |
106 | * association completes. these fields probably won't be up-to-date | |
107 | * otherwise, you probably don't want to use them. */ | |
108 | int has_erp_value; | |
109 | u8 erp_value; | |
f0706e82 JB |
110 | }; |
111 | ||
c2b13452 | 112 | static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss) |
902acc78 JB |
113 | { |
114 | #ifdef CONFIG_MAC80211_MESH | |
115 | return bss->mesh_cfg; | |
116 | #endif | |
117 | return NULL; | |
118 | } | |
119 | ||
c2b13452 | 120 | static inline u8 *bss_mesh_id(struct ieee80211_bss *bss) |
902acc78 JB |
121 | { |
122 | #ifdef CONFIG_MAC80211_MESH | |
123 | return bss->mesh_id; | |
124 | #endif | |
125 | return NULL; | |
126 | } | |
127 | ||
c2b13452 | 128 | static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss) |
902acc78 JB |
129 | { |
130 | #ifdef CONFIG_MAC80211_MESH | |
131 | return bss->mesh_id_len; | |
132 | #endif | |
133 | return 0; | |
134 | } | |
135 | ||
f0706e82 | 136 | |
9ae54c84 JB |
137 | typedef unsigned __bitwise__ ieee80211_tx_result; |
138 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
139 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
140 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
141 | ||
5cf121c3 JB |
142 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
143 | #define IEEE80211_TX_UNICAST BIT(1) | |
144 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
145 | #define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) | |
5cf121c3 JB |
146 | |
147 | struct ieee80211_tx_data { | |
148 | struct sk_buff *skb; | |
149 | struct net_device *dev; | |
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; |
2e92e6f2 | 156 | s8 rate_idx; |
5cf121c3 JB |
157 | /* use this rate (if set) for last fragment; rate can |
158 | * be set to lower rate for the first fragments, e.g., | |
159 | * when using CTS protection with IEEE 802.11g. */ | |
2e92e6f2 | 160 | s8 last_frag_rate_idx; |
5cf121c3 JB |
161 | |
162 | /* Extra fragments (in addition to the first fragment | |
163 | * in skb) */ | |
5cf121c3 | 164 | struct sk_buff **extra_frag; |
056cdd59 JB |
165 | int num_extra_frag; |
166 | ||
a4b7d7bd | 167 | u16 ethertype; |
056cdd59 | 168 | unsigned int flags; |
5cf121c3 JB |
169 | }; |
170 | ||
171 | ||
9ae54c84 | 172 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
173 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
174 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
175 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
176 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 177 | |
5cf121c3 | 178 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 179 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
180 | #define IEEE80211_RX_RA_MATCH BIT(1) |
181 | #define IEEE80211_RX_AMSDU BIT(2) | |
182 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) | |
183 | #define IEEE80211_RX_FRAGMENTED BIT(4) | |
184 | ||
185 | struct ieee80211_rx_data { | |
f0706e82 JB |
186 | struct sk_buff *skb; |
187 | struct net_device *dev; | |
188 | struct ieee80211_local *local; | |
189 | struct ieee80211_sub_if_data *sdata; | |
190 | struct sta_info *sta; | |
f0706e82 | 191 | struct ieee80211_key *key; |
5cf121c3 JB |
192 | struct ieee80211_rx_status *status; |
193 | struct ieee80211_rate *rate; | |
056cdd59 | 194 | |
a4b7d7bd | 195 | u16 ethertype; |
056cdd59 | 196 | unsigned int flags; |
5cf121c3 JB |
197 | int sent_ps_buffered; |
198 | int queue; | |
5cf121c3 JB |
199 | u32 tkip_iv32; |
200 | u16 tkip_iv16; | |
f0706e82 JB |
201 | }; |
202 | ||
f0706e82 | 203 | struct ieee80211_tx_stored_packet { |
f0706e82 | 204 | struct sk_buff *skb; |
f0706e82 | 205 | struct sk_buff **extra_frag; |
2e92e6f2 | 206 | s8 last_frag_rate_idx; |
056cdd59 | 207 | int num_extra_frag; |
2e92e6f2 | 208 | bool last_frag_rate_ctrl_probe; |
f0706e82 JB |
209 | }; |
210 | ||
5dfdaf58 JB |
211 | struct beacon_data { |
212 | u8 *head, *tail; | |
213 | int head_len, tail_len; | |
214 | int dtim_period; | |
215 | }; | |
216 | ||
f0706e82 | 217 | struct ieee80211_if_ap { |
5dfdaf58 | 218 | struct beacon_data *beacon; |
f0706e82 | 219 | |
0ec3ca44 JB |
220 | struct list_head vlans; |
221 | ||
f0706e82 JB |
222 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
223 | size_t ssid_len; | |
f0706e82 JB |
224 | |
225 | /* yes, this looks ugly, but guarantees that we can later use | |
226 | * bitmap_empty :) | |
004c872e | 227 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 228 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 229 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 230 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 231 | int dtim_count; |
f0706e82 JB |
232 | int num_beacons; /* number of TXed beacon frames for this BSS */ |
233 | }; | |
234 | ||
235 | struct ieee80211_if_wds { | |
f0706e82 | 236 | struct sta_info *sta; |
056cdd59 | 237 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
238 | }; |
239 | ||
240 | struct ieee80211_if_vlan { | |
0ec3ca44 | 241 | struct list_head list; |
f0706e82 JB |
242 | }; |
243 | ||
ee385855 LCC |
244 | struct mesh_stats { |
245 | __u32 fwded_frames; /* Mesh forwarded frames */ | |
246 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ | |
247 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
248 | atomic_t estab_plinks; | |
249 | }; | |
250 | ||
251 | #define PREQ_Q_F_START 0x1 | |
252 | #define PREQ_Q_F_REFRESH 0x2 | |
253 | struct mesh_preq_queue { | |
254 | struct list_head list; | |
255 | u8 dst[ETH_ALEN]; | |
256 | u8 flags; | |
257 | }; | |
258 | ||
ee385855 LCC |
259 | struct mesh_config { |
260 | /* Timeouts in ms */ | |
261 | /* Mesh plink management parameters */ | |
262 | u16 dot11MeshRetryTimeout; | |
263 | u16 dot11MeshConfirmTimeout; | |
264 | u16 dot11MeshHoldingTimeout; | |
265 | u16 dot11MeshMaxPeerLinks; | |
266 | u8 dot11MeshMaxRetries; | |
267 | u8 dot11MeshTTL; | |
268 | bool auto_open_plinks; | |
269 | /* HWMP parameters */ | |
ee385855 LCC |
270 | u8 dot11MeshHWMPmaxPREQretries; |
271 | u32 path_refresh_time; | |
272 | u16 min_discovery_timeout; | |
056cdd59 JB |
273 | u32 dot11MeshHWMPactivePathTimeout; |
274 | u16 dot11MeshHWMPpreqMinInterval; | |
275 | u16 dot11MeshHWMPnetDiameterTraversalTime; | |
ee385855 | 276 | }; |
902acc78 | 277 | |
ee385855 | 278 | |
d6f2da5b JS |
279 | /* flags used in struct ieee80211_if_sta.flags */ |
280 | #define IEEE80211_STA_SSID_SET BIT(0) | |
281 | #define IEEE80211_STA_BSSID_SET BIT(1) | |
282 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) | |
283 | #define IEEE80211_STA_AUTHENTICATED BIT(3) | |
284 | #define IEEE80211_STA_ASSOCIATED BIT(4) | |
285 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) | |
286 | #define IEEE80211_STA_CREATE_IBSS BIT(6) | |
287 | #define IEEE80211_STA_MIXED_CELL BIT(7) | |
288 | #define IEEE80211_STA_WMM_ENABLED BIT(8) | |
289 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) | |
290 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) | |
291 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) | |
5b98b1f7 | 292 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
ccd7b362 | 293 | /* flags for MLME request */ |
48c2fc59 | 294 | #define IEEE80211_STA_REQ_SCAN 0 |
9859b81e RR |
295 | #define IEEE80211_STA_REQ_DIRECT_PROBE 1 |
296 | #define IEEE80211_STA_REQ_AUTH 2 | |
297 | #define IEEE80211_STA_REQ_RUN 3 | |
48c2fc59 | 298 | |
ccd7b362 | 299 | /* STA/IBSS MLME states */ |
48c2fc59 TW |
300 | enum ieee80211_sta_mlme_state { |
301 | IEEE80211_STA_MLME_DISABLED, | |
9859b81e | 302 | IEEE80211_STA_MLME_DIRECT_PROBE, |
48c2fc59 TW |
303 | IEEE80211_STA_MLME_AUTHENTICATE, |
304 | IEEE80211_STA_MLME_ASSOCIATE, | |
305 | IEEE80211_STA_MLME_ASSOCIATED, | |
306 | IEEE80211_STA_MLME_IBSS_SEARCH, | |
307 | IEEE80211_STA_MLME_IBSS_JOINED, | |
48c2fc59 TW |
308 | }; |
309 | ||
310 | /* bitfield of allowed auth algs */ | |
311 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) | |
312 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) | |
313 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) | |
314 | ||
f0706e82 | 315 | struct ieee80211_if_sta { |
056cdd59 JB |
316 | struct timer_list timer; |
317 | struct work_struct work; | |
318 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; | |
319 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
48c2fc59 | 320 | enum ieee80211_sta_mlme_state state; |
f0706e82 | 321 | size_t ssid_len; |
a0af5f14 HS |
322 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
323 | size_t scan_ssid_len; | |
f0706e82 JB |
324 | u16 aid; |
325 | u16 ap_capab, capab; | |
326 | u8 *extra_ie; /* to be added to the end of AssocReq */ | |
327 | size_t extra_ie_len; | |
328 | ||
329 | /* The last AssocReq/Resp IEs */ | |
330 | u8 *assocreq_ies, *assocresp_ies; | |
331 | size_t assocreq_ies_len, assocresp_ies_len; | |
332 | ||
056cdd59 JB |
333 | struct sk_buff_head skb_queue; |
334 | ||
6042a3e3 | 335 | int assoc_scan_tries; /* number of scans done pre-association */ |
9859b81e | 336 | int direct_probe_tries; /* retries for direct probes */ |
6042a3e3 RR |
337 | int auth_tries; /* retries for auth req */ |
338 | int assoc_tries; /* retries for assoc req */ | |
f0706e82 | 339 | |
056cdd59 JB |
340 | unsigned long request; |
341 | ||
342 | unsigned long last_probe; | |
343 | ||
d6f2da5b | 344 | unsigned int flags; |
f0706e82 | 345 | |
f0706e82 JB |
346 | unsigned int auth_algs; /* bitfield of allowed auth algs */ |
347 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ | |
348 | int auth_transaction; | |
349 | ||
350 | unsigned long ibss_join_req; | |
351 | struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ | |
8318d78a | 352 | u32 supp_rates_bits[IEEE80211_NUM_BANDS]; |
f0706e82 JB |
353 | |
354 | int wmm_last_param_set; | |
ee385855 | 355 | int num_beacons; /* number of TXed beacon frames by this STA */ |
f0706e82 JB |
356 | }; |
357 | ||
472dbc45 JB |
358 | struct ieee80211_if_mesh { |
359 | struct work_struct work; | |
360 | struct timer_list housekeeping_timer; | |
361 | struct timer_list mesh_path_timer; | |
362 | struct sk_buff_head skb_queue; | |
363 | ||
364 | bool housekeeping; | |
365 | ||
366 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
367 | size_t mesh_id_len; | |
368 | /* Active Path Selection Protocol Identifier */ | |
369 | u8 mesh_pp_id[4]; | |
370 | /* Active Path Selection Metric Identifier */ | |
371 | u8 mesh_pm_id[4]; | |
372 | /* Congestion Control Mode Identifier */ | |
373 | u8 mesh_cc_id[4]; | |
374 | /* Local mesh Destination Sequence Number */ | |
375 | u32 dsn; | |
376 | /* Last used PREQ ID */ | |
377 | u32 preq_id; | |
378 | atomic_t mpaths; | |
379 | /* Timestamp of last DSN update */ | |
380 | unsigned long last_dsn_update; | |
381 | /* Timestamp of last DSN sent */ | |
382 | unsigned long last_preq; | |
383 | struct mesh_rmc *rmc; | |
384 | spinlock_t mesh_preq_queue_lock; | |
385 | struct mesh_preq_queue preq_queue; | |
386 | int preq_queue_len; | |
387 | struct mesh_stats mshstats; | |
388 | struct mesh_config mshcfg; | |
389 | u32 mesh_seqnum; | |
390 | bool accepting_plinks; | |
391 | int num_beacons; | |
392 | }; | |
902acc78 JB |
393 | |
394 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
395 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
396 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 397 | #else |
472dbc45 | 398 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
399 | do { } while (0) |
400 | #endif | |
f0706e82 | 401 | |
213cd118 JB |
402 | /** |
403 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
404 | * | |
405 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
406 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
407 | * @IEEE80211_SDATA_USERSPACE_MLME: userspace MLME is active | |
408 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode | |
409 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
410 | * associated stations and deliver multicast frames both | |
411 | * back to wireless media and to the local net stack. | |
412 | */ | |
413 | enum ieee80211_sub_if_data_flags { | |
414 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
415 | IEEE80211_SDATA_PROMISC = BIT(1), | |
416 | IEEE80211_SDATA_USERSPACE_MLME = BIT(2), | |
417 | IEEE80211_SDATA_OPERATING_GMODE = BIT(3), | |
418 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(4), | |
419 | }; | |
420 | ||
f0706e82 JB |
421 | struct ieee80211_sub_if_data { |
422 | struct list_head list; | |
f0706e82 JB |
423 | |
424 | struct wireless_dev wdev; | |
425 | ||
11a843b7 JB |
426 | /* keys */ |
427 | struct list_head key_list; | |
428 | ||
f0706e82 JB |
429 | struct net_device *dev; |
430 | struct ieee80211_local *local; | |
431 | ||
13262ffd | 432 | unsigned int flags; |
7e9ed188 | 433 | |
f0706e82 | 434 | int drop_unencrypted; |
f0706e82 | 435 | |
f0706e82 JB |
436 | /* Fragment table for host-based reassembly */ |
437 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
438 | unsigned int fragment_next; | |
439 | ||
440 | #define NUM_DEFAULT_KEYS 4 | |
441 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; | |
442 | struct ieee80211_key *default_key; | |
443 | ||
3e122be0 JB |
444 | /* BSS configuration for this interface. */ |
445 | struct ieee80211_bss_conf bss_conf; | |
446 | ||
471b3efd | 447 | /* |
3e122be0 JB |
448 | * AP this belongs to: self in AP mode and |
449 | * corresponding AP in VLAN mode, NULL for | |
450 | * all others (might be needed later in IBSS) | |
471b3efd | 451 | */ |
3e122be0 JB |
452 | struct ieee80211_if_ap *bss; |
453 | ||
454 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ | |
455 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ | |
f0706e82 JB |
456 | |
457 | union { | |
458 | struct ieee80211_if_ap ap; | |
459 | struct ieee80211_if_wds wds; | |
460 | struct ieee80211_if_vlan vlan; | |
461 | struct ieee80211_if_sta sta; | |
472dbc45 JB |
462 | #ifdef CONFIG_MAC80211_MESH |
463 | struct ieee80211_if_mesh mesh; | |
464 | #endif | |
8cc9a739 | 465 | u32 mntr_flags; |
f0706e82 | 466 | } u; |
e9f207f0 JB |
467 | |
468 | #ifdef CONFIG_MAC80211_DEBUGFS | |
469 | struct dentry *debugfsdir; | |
470 | union { | |
471 | struct { | |
e9f207f0 | 472 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
473 | struct dentry *state; |
474 | struct dentry *bssid; | |
475 | struct dentry *prev_bssid; | |
476 | struct dentry *ssid_len; | |
477 | struct dentry *aid; | |
478 | struct dentry *ap_capab; | |
479 | struct dentry *capab; | |
480 | struct dentry *extra_ie_len; | |
481 | struct dentry *auth_tries; | |
482 | struct dentry *assoc_tries; | |
483 | struct dentry *auth_algs; | |
484 | struct dentry *auth_alg; | |
485 | struct dentry *auth_transaction; | |
486 | struct dentry *flags; | |
ee385855 | 487 | struct dentry *num_beacons_sta; |
93015f0f JM |
488 | struct dentry *force_unicast_rateidx; |
489 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
490 | } sta; |
491 | struct { | |
e9f207f0 | 492 | struct dentry *drop_unencrypted; |
e9f207f0 | 493 | struct dentry *num_sta_ps; |
e9f207f0 JB |
494 | struct dentry *dtim_count; |
495 | struct dentry *num_beacons; | |
496 | struct dentry *force_unicast_rateidx; | |
497 | struct dentry *max_ratectrl_rateidx; | |
498 | struct dentry *num_buffered_multicast; | |
e9f207f0 JB |
499 | } ap; |
500 | struct { | |
e9f207f0 | 501 | struct dentry *drop_unencrypted; |
e9f207f0 | 502 | struct dentry *peer; |
93015f0f JM |
503 | struct dentry *force_unicast_rateidx; |
504 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
505 | } wds; |
506 | struct { | |
e9f207f0 | 507 | struct dentry *drop_unencrypted; |
93015f0f JM |
508 | struct dentry *force_unicast_rateidx; |
509 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
510 | } vlan; |
511 | struct { | |
512 | struct dentry *mode; | |
513 | } monitor; | |
e9f207f0 | 514 | } debugfs; |
2b58b209 JM |
515 | struct { |
516 | struct dentry *default_key; | |
517 | } common_debugfs; | |
ee385855 LCC |
518 | |
519 | #ifdef CONFIG_MAC80211_MESH | |
520 | struct dentry *mesh_stats_dir; | |
521 | struct { | |
522 | struct dentry *fwded_frames; | |
523 | struct dentry *dropped_frames_ttl; | |
524 | struct dentry *dropped_frames_no_route; | |
525 | struct dentry *estab_plinks; | |
902acc78 | 526 | struct timer_list mesh_path_timer; |
ee385855 LCC |
527 | } mesh_stats; |
528 | ||
529 | struct dentry *mesh_config_dir; | |
530 | struct { | |
531 | struct dentry *dot11MeshRetryTimeout; | |
532 | struct dentry *dot11MeshConfirmTimeout; | |
533 | struct dentry *dot11MeshHoldingTimeout; | |
534 | struct dentry *dot11MeshMaxRetries; | |
535 | struct dentry *dot11MeshTTL; | |
536 | struct dentry *auto_open_plinks; | |
537 | struct dentry *dot11MeshMaxPeerLinks; | |
538 | struct dentry *dot11MeshHWMPactivePathTimeout; | |
539 | struct dentry *dot11MeshHWMPpreqMinInterval; | |
540 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; | |
541 | struct dentry *dot11MeshHWMPmaxPREQretries; | |
542 | struct dentry *path_refresh_time; | |
543 | struct dentry *min_discovery_timeout; | |
544 | } mesh_config; | |
545 | #endif | |
546 | ||
e9f207f0 | 547 | #endif |
32bfd35d JB |
548 | /* must be last, dynamically sized area in this! */ |
549 | struct ieee80211_vif vif; | |
f0706e82 JB |
550 | }; |
551 | ||
32bfd35d JB |
552 | static inline |
553 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
554 | { | |
555 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
556 | } | |
557 | ||
472dbc45 JB |
558 | static inline void |
559 | ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, | |
560 | u8 mesh_id_len, u8 *mesh_id) | |
561 | { | |
562 | #ifdef CONFIG_MAC80211_MESH | |
563 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
564 | ifmsh->mesh_id_len = mesh_id_len; | |
565 | memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); | |
566 | #else | |
567 | WARN_ON(1); | |
568 | #endif | |
569 | } | |
570 | ||
f0706e82 JB |
571 | enum { |
572 | IEEE80211_RX_MSG = 1, | |
573 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
574 | IEEE80211_DELBA_MSG = 3, |
575 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
576 | }; |
577 | ||
51cb6db0 DM |
578 | /* maximum number of hardware queues we support. */ |
579 | #define QD_MAX_QUEUES (IEEE80211_MAX_AMPDU_QUEUES + IEEE80211_MAX_QUEUES) | |
580 | ||
f0706e82 JB |
581 | struct ieee80211_local { |
582 | /* embed the driver visible part. | |
583 | * don't cast (use the static inlines below), but we keep | |
584 | * it first anyway so they become a no-op */ | |
585 | struct ieee80211_hw hw; | |
586 | ||
587 | const struct ieee80211_ops *ops; | |
588 | ||
51cb6db0 DM |
589 | unsigned long queue_pool[BITS_TO_LONGS(QD_MAX_QUEUES)]; |
590 | ||
f0706e82 | 591 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
f0706e82 | 592 | int open_count; |
3d30d949 | 593 | int monitors, cooked_mntrs; |
8cc9a739 MW |
594 | /* number of interfaces with corresponding FIF_ flags */ |
595 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; | |
4150c572 | 596 | unsigned int filter_flags; /* FIF_* */ |
f0706e82 JB |
597 | struct iw_statistics wstats; |
598 | u8 wstats_flags; | |
d0709a65 | 599 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
b306f453 | 600 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 601 | |
f0706e82 JB |
602 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
603 | * added to skb_queue will be processed, but frames in | |
604 | * skb_queue_unreliable may be dropped if the total length of these | |
605 | * queues increases over the limit. */ | |
606 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
607 | struct tasklet_struct tasklet; | |
608 | struct sk_buff_head skb_queue; | |
609 | struct sk_buff_head skb_queue_unreliable; | |
610 | ||
d0709a65 JB |
611 | /* Station data */ |
612 | /* | |
613 | * The lock only protects the list, hash, timer and counter | |
614 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 615 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
616 | */ |
617 | spinlock_t sta_lock; | |
618 | unsigned long num_sta; | |
f0706e82 | 619 | struct list_head sta_list; |
dc6676b7 JB |
620 | struct list_head sta_flush_list; |
621 | struct work_struct sta_flush_work; | |
f0706e82 JB |
622 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
623 | struct timer_list sta_cleanup; | |
624 | ||
e2530083 | 625 | unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
f8e79ddd | 626 | unsigned long queues_pending_run[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
eefce91a | 627 | struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
628 | struct tasklet_struct tx_pending_tasklet; |
629 | ||
53918994 JB |
630 | /* number of interfaces with corresponding IFF_ flags */ |
631 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
632 | |
633 | struct rate_control_ref *rate_ctrl; | |
634 | ||
f0706e82 | 635 | int rts_threshold; |
f0706e82 JB |
636 | int fragmentation_threshold; |
637 | int short_retry_limit; /* dot11ShortRetryLimit */ | |
638 | int long_retry_limit; /* dot11LongRetryLimit */ | |
f0706e82 JB |
639 | |
640 | struct crypto_blkcipher *wep_tx_tfm; | |
641 | struct crypto_blkcipher *wep_rx_tfm; | |
642 | u32 wep_iv; | |
f0706e82 | 643 | |
79010420 JB |
644 | struct list_head interfaces; |
645 | ||
b16bd15c JB |
646 | /* |
647 | * Key lock, protects sdata's key_list and sta_info's | |
648 | * key pointers (write access, they're RCU.) | |
649 | */ | |
650 | spinlock_t key_lock; | |
651 | ||
652 | ||
c2b13452 JB |
653 | /* Scanning and BSS list */ |
654 | bool sw_scanning, hw_scanning; | |
f0706e82 | 655 | int scan_channel_idx; |
8318d78a JB |
656 | enum ieee80211_band scan_band; |
657 | ||
f0706e82 JB |
658 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
659 | unsigned long last_scan_completed; | |
660 | struct delayed_work scan_work; | |
491775a5 | 661 | struct ieee80211_sub_if_data *scan_sdata; |
f0706e82 | 662 | struct ieee80211_channel *oper_channel, *scan_channel; |
f0706e82 JB |
663 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
664 | size_t scan_ssid_len; | |
c2b13452 JB |
665 | struct list_head bss_list; |
666 | struct ieee80211_bss *bss_hash[STA_HASH_SIZE]; | |
667 | spinlock_t bss_lock; | |
f0706e82 JB |
668 | |
669 | /* SNMP counters */ | |
670 | /* dot11CountersTable */ | |
671 | u32 dot11TransmittedFragmentCount; | |
672 | u32 dot11MulticastTransmittedFrameCount; | |
673 | u32 dot11FailedCount; | |
674 | u32 dot11RetryCount; | |
675 | u32 dot11MultipleRetryCount; | |
676 | u32 dot11FrameDuplicateCount; | |
677 | u32 dot11ReceivedFragmentCount; | |
678 | u32 dot11MulticastReceivedFrameCount; | |
679 | u32 dot11TransmittedFrameCount; | |
680 | u32 dot11WEPUndecryptableCount; | |
681 | ||
682 | #ifdef CONFIG_MAC80211_LEDS | |
683 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
684 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
685 | char tx_led_name[32], rx_led_name[32], | |
686 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
687 | #endif |
688 | ||
e9f207f0 JB |
689 | #ifdef CONFIG_MAC80211_DEBUGFS |
690 | struct work_struct sta_debugfs_add; | |
691 | #endif | |
692 | ||
f0706e82 JB |
693 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
694 | /* TX/RX handler statistics */ | |
695 | unsigned int tx_handlers_drop; | |
696 | unsigned int tx_handlers_queued; | |
697 | unsigned int tx_handlers_drop_unencrypted; | |
698 | unsigned int tx_handlers_drop_fragment; | |
699 | unsigned int tx_handlers_drop_wep; | |
700 | unsigned int tx_handlers_drop_not_assoc; | |
701 | unsigned int tx_handlers_drop_unauth_port; | |
702 | unsigned int rx_handlers_drop; | |
703 | unsigned int rx_handlers_queued; | |
704 | unsigned int rx_handlers_drop_nullfunc; | |
705 | unsigned int rx_handlers_drop_defrag; | |
706 | unsigned int rx_handlers_drop_short; | |
707 | unsigned int rx_handlers_drop_passive_scan; | |
708 | unsigned int tx_expand_skb_head; | |
709 | unsigned int tx_expand_skb_head_cloned; | |
710 | unsigned int rx_expand_skb_head; | |
711 | unsigned int rx_expand_skb_head2; | |
712 | unsigned int rx_handlers_fragments; | |
713 | unsigned int tx_status_drop; | |
f0706e82 JB |
714 | #define I802_DEBUG_INC(c) (c)++ |
715 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
716 | #define I802_DEBUG_INC(c) do { } while (0) | |
717 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
718 | ||
719 | ||
f0706e82 JB |
720 | int total_ps_buffered; /* total number of all buffered unicast and |
721 | * multicast packets for power saving stations | |
722 | */ | |
f0706e82 JB |
723 | int wifi_wme_noack_test; |
724 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
725 | ||
e9f207f0 JB |
726 | #ifdef CONFIG_MAC80211_DEBUGFS |
727 | struct local_debugfsdentries { | |
e9f207f0 | 728 | struct dentry *frequency; |
e9f207f0 JB |
729 | struct dentry *antenna_sel_tx; |
730 | struct dentry *antenna_sel_rx; | |
e9f207f0 JB |
731 | struct dentry *rts_threshold; |
732 | struct dentry *fragmentation_threshold; | |
733 | struct dentry *short_retry_limit; | |
734 | struct dentry *long_retry_limit; | |
735 | struct dentry *total_ps_buffered; | |
e9f207f0 | 736 | struct dentry *wep_iv; |
e9f207f0 JB |
737 | struct dentry *statistics; |
738 | struct local_debugfsdentries_statsdentries { | |
739 | struct dentry *transmitted_fragment_count; | |
740 | struct dentry *multicast_transmitted_frame_count; | |
741 | struct dentry *failed_count; | |
742 | struct dentry *retry_count; | |
743 | struct dentry *multiple_retry_count; | |
744 | struct dentry *frame_duplicate_count; | |
745 | struct dentry *received_fragment_count; | |
746 | struct dentry *multicast_received_frame_count; | |
747 | struct dentry *transmitted_frame_count; | |
748 | struct dentry *wep_undecryptable_count; | |
749 | struct dentry *num_scans; | |
750 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS | |
751 | struct dentry *tx_handlers_drop; | |
752 | struct dentry *tx_handlers_queued; | |
753 | struct dentry *tx_handlers_drop_unencrypted; | |
754 | struct dentry *tx_handlers_drop_fragment; | |
755 | struct dentry *tx_handlers_drop_wep; | |
756 | struct dentry *tx_handlers_drop_not_assoc; | |
757 | struct dentry *tx_handlers_drop_unauth_port; | |
758 | struct dentry *rx_handlers_drop; | |
759 | struct dentry *rx_handlers_queued; | |
760 | struct dentry *rx_handlers_drop_nullfunc; | |
761 | struct dentry *rx_handlers_drop_defrag; | |
762 | struct dentry *rx_handlers_drop_short; | |
763 | struct dentry *rx_handlers_drop_passive_scan; | |
764 | struct dentry *tx_expand_skb_head; | |
765 | struct dentry *tx_expand_skb_head_cloned; | |
766 | struct dentry *rx_expand_skb_head; | |
767 | struct dentry *rx_expand_skb_head2; | |
768 | struct dentry *rx_handlers_fragments; | |
769 | struct dentry *tx_status_drop; | |
e9f207f0 JB |
770 | #endif |
771 | struct dentry *dot11ACKFailureCount; | |
772 | struct dentry *dot11RTSFailureCount; | |
773 | struct dentry *dot11FCSErrorCount; | |
774 | struct dentry *dot11RTSSuccessCount; | |
775 | } stats; | |
776 | struct dentry *stations; | |
777 | struct dentry *keys; | |
778 | } debugfs; | |
779 | #endif | |
f0706e82 JB |
780 | }; |
781 | ||
3e122be0 JB |
782 | static inline struct ieee80211_sub_if_data * |
783 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
784 | { | |
785 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
786 | ||
787 | BUG_ON(!local || local->mdev == dev); | |
788 | ||
789 | return netdev_priv(dev); | |
790 | } | |
791 | ||
eadc8d9e RR |
792 | /* this struct represents 802.11n's RA/TID combination */ |
793 | struct ieee80211_ra_tid { | |
794 | u8 ra[ETH_ALEN]; | |
795 | u16 tid; | |
796 | }; | |
797 | ||
ee385855 LCC |
798 | /* Parsed Information Elements */ |
799 | struct ieee802_11_elems { | |
43ac2ca3 JM |
800 | u8 *ie_start; |
801 | size_t total_len; | |
802 | ||
ee385855 LCC |
803 | /* pointers to IEs */ |
804 | u8 *ssid; | |
805 | u8 *supp_rates; | |
806 | u8 *fh_params; | |
807 | u8 *ds_params; | |
808 | u8 *cf_params; | |
809 | u8 *tim; | |
810 | u8 *ibss_params; | |
811 | u8 *challenge; | |
812 | u8 *wpa; | |
813 | u8 *rsn; | |
814 | u8 *erp_info; | |
815 | u8 *ext_supp_rates; | |
816 | u8 *wmm_info; | |
817 | u8 *wmm_param; | |
818 | u8 *ht_cap_elem; | |
819 | u8 *ht_info_elem; | |
820 | u8 *mesh_config; | |
821 | u8 *mesh_id; | |
822 | u8 *peer_link; | |
823 | u8 *preq; | |
824 | u8 *prep; | |
825 | u8 *perr; | |
f2df3859 AK |
826 | u8 *ch_switch_elem; |
827 | u8 *country_elem; | |
828 | u8 *pwr_constr_elem; | |
829 | u8 *quiet_elem; /* first quite element */ | |
ee385855 LCC |
830 | |
831 | /* length of them, respectively */ | |
832 | u8 ssid_len; | |
833 | u8 supp_rates_len; | |
834 | u8 fh_params_len; | |
835 | u8 ds_params_len; | |
836 | u8 cf_params_len; | |
837 | u8 tim_len; | |
838 | u8 ibss_params_len; | |
839 | u8 challenge_len; | |
840 | u8 wpa_len; | |
841 | u8 rsn_len; | |
842 | u8 erp_info_len; | |
843 | u8 ext_supp_rates_len; | |
844 | u8 wmm_info_len; | |
845 | u8 wmm_param_len; | |
846 | u8 ht_cap_elem_len; | |
847 | u8 ht_info_elem_len; | |
848 | u8 mesh_config_len; | |
849 | u8 mesh_id_len; | |
850 | u8 peer_link_len; | |
851 | u8 preq_len; | |
852 | u8 prep_len; | |
853 | u8 perr_len; | |
f2df3859 AK |
854 | u8 ch_switch_elem_len; |
855 | u8 country_elem_len; | |
856 | u8 pwr_constr_elem_len; | |
857 | u8 quiet_elem_len; | |
858 | u8 num_of_quiet_elem; /* can be more the one */ | |
ee385855 LCC |
859 | }; |
860 | ||
f0706e82 JB |
861 | static inline struct ieee80211_local *hw_to_local( |
862 | struct ieee80211_hw *hw) | |
863 | { | |
864 | return container_of(hw, struct ieee80211_local, hw); | |
865 | } | |
866 | ||
867 | static inline struct ieee80211_hw *local_to_hw( | |
868 | struct ieee80211_local *local) | |
869 | { | |
870 | return &local->hw; | |
871 | } | |
872 | ||
f0706e82 JB |
873 | struct sta_attribute { |
874 | struct attribute attr; | |
875 | ssize_t (*show)(const struct sta_info *, char *buf); | |
876 | ssize_t (*store)(struct sta_info *, const char *buf, size_t count); | |
877 | }; | |
878 | ||
571ecf67 JB |
879 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
880 | { | |
881 | return compare_ether_addr(raddr, addr) == 0 || | |
882 | is_broadcast_ether_addr(raddr); | |
883 | } | |
884 | ||
885 | ||
f0706e82 | 886 | int ieee80211_hw_config(struct ieee80211_local *local); |
9d139c81 | 887 | int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed); |
5cf121c3 | 888 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
38668c05 TW |
889 | u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht, |
890 | struct ieee80211_ht_info *req_ht_cap, | |
891 | struct ieee80211_ht_bss_info *req_bss_cap); | |
9c6bd790 JB |
892 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
893 | u32 changed); | |
f0706e82 | 894 | |
9c6bd790 | 895 | /* wireless extensions */ |
f0706e82 | 896 | extern const struct iw_handler_def ieee80211_iw_handler_def; |
65b53e4c | 897 | |
9c6bd790 JB |
898 | /* STA/IBSS code */ |
899 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
c2b13452 | 900 | void ieee80211_scan_work(struct work_struct *work); |
f698d856 | 901 | void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
f0706e82 | 902 | struct ieee80211_rx_status *rx_status); |
f698d856 JBG |
903 | int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); |
904 | int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); | |
905 | int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); | |
f698d856 | 906 | void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata, |
f0706e82 | 907 | struct ieee80211_if_sta *ifsta); |
f698d856 | 908 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, |
988c0f72 | 909 | struct sk_buff *skb, u8 *bssid, |
87291c02 | 910 | u8 *addr, u64 supp_rates); |
f698d856 JBG |
911 | int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason); |
912 | int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason); | |
f698d856 | 913 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
ee385855 LCC |
914 | u64 ieee80211_sta_get_rates(struct ieee80211_local *local, |
915 | struct ieee802_11_elems *elems, | |
916 | enum ieee80211_band band); | |
0a51b27e JB |
917 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
918 | u8 *ssid, size_t ssid_len); | |
9c6bd790 JB |
919 | |
920 | /* scan/BSS handling */ | |
c2b13452 JB |
921 | int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, |
922 | u8 *ssid, size_t ssid_len); | |
923 | int ieee80211_scan_results(struct ieee80211_local *local, | |
924 | struct iw_request_info *info, | |
925 | char *buf, size_t len); | |
926 | ieee80211_rx_result | |
927 | ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, | |
928 | struct sk_buff *skb, | |
929 | struct ieee80211_rx_status *rx_status); | |
9c6bd790 JB |
930 | void ieee80211_rx_bss_list_init(struct ieee80211_local *local); |
931 | void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local); | |
c2b13452 JB |
932 | int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, |
933 | char *ie, size_t len); | |
9c6bd790 | 934 | |
0a51b27e | 935 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
c2b13452 JB |
936 | int ieee80211_start_scan(struct ieee80211_sub_if_data *scan_sdata, |
937 | u8 *ssid, size_t ssid_len); | |
938 | struct ieee80211_bss * | |
98c8fccf JB |
939 | ieee80211_bss_info_update(struct ieee80211_local *local, |
940 | struct ieee80211_rx_status *rx_status, | |
941 | struct ieee80211_mgmt *mgmt, | |
942 | size_t len, | |
943 | struct ieee802_11_elems *elems, | |
944 | int freq, bool beacon); | |
c2b13452 | 945 | struct ieee80211_bss * |
5484e237 JB |
946 | ieee80211_rx_bss_add(struct ieee80211_local *local, u8 *bssid, int freq, |
947 | u8 *ssid, u8 ssid_len); | |
c2b13452 | 948 | struct ieee80211_bss * |
5484e237 JB |
949 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, |
950 | u8 *ssid, u8 ssid_len); | |
98c8fccf | 951 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
c2b13452 | 952 | struct ieee80211_bss *bss); |
ee385855 | 953 | |
3e122be0 | 954 | /* interface handling */ |
75636525 | 955 | void ieee80211_if_setup(struct net_device *dev); |
3e122be0 | 956 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
75636525 | 957 | struct net_device **new_dev, enum ieee80211_if_types type, |
ee385855 | 958 | struct vif_params *params); |
f3947e2d JB |
959 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
960 | enum ieee80211_if_types type); | |
f698d856 | 961 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 962 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
f0706e82 | 963 | |
e2ebc74d | 964 | /* tx handling */ |
e2ebc74d JB |
965 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
966 | void ieee80211_tx_pending(unsigned long data); | |
967 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
968 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
969 | int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
e2ebc74d | 970 | |
de1ede7a JB |
971 | /* HT */ |
972 | int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie, | |
973 | struct ieee80211_ht_info *ht_info); | |
974 | int ieee80211_ht_addt_info_ie_to_ht_bss_info( | |
975 | struct ieee80211_ht_addt_info *ht_add_info_ie, | |
976 | struct ieee80211_ht_bss_info *bss_info); | |
977 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); | |
978 | ||
979 | void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da, | |
980 | u16 tid, u16 initiator, u16 reason); | |
981 | void ieee80211_sta_tear_down_BA_sessions(struct ieee80211_sub_if_data *sdata, u8 *addr); | |
982 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, | |
983 | struct sta_info *sta, | |
984 | struct ieee80211_mgmt *mgmt, size_t len); | |
985 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
986 | struct sta_info *sta, | |
987 | struct ieee80211_mgmt *mgmt, | |
988 | size_t len); | |
989 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
990 | struct sta_info *sta, | |
991 | struct ieee80211_mgmt *mgmt, | |
992 | size_t len); | |
993 | ||
39192c0b JB |
994 | /* Spectrum management */ |
995 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
996 | struct ieee80211_mgmt *mgmt, | |
997 | size_t len); | |
998 | ||
c2d1560a JB |
999 | /* utility functions/constants */ |
1000 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
1001 | extern const unsigned char rfc1042_header[6]; | |
1002 | extern const unsigned char bridge_tunnel_header[6]; | |
71364716 RR |
1003 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
1004 | enum ieee80211_if_types type); | |
c2d1560a JB |
1005 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
1006 | int rate, int erp, int short_preamble); | |
f698d856 | 1007 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
eb063c17 | 1008 | struct ieee80211_hdr *hdr); |
5825fe10 | 1009 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); |
e50db65c JB |
1010 | void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
1011 | int encrypt); | |
9c6bd790 JB |
1012 | void ieee802_11_parse_elems(u8 *start, size_t len, |
1013 | struct ieee802_11_elems *elems); | |
e16751c3 | 1014 | int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq); |
96dd22ac JB |
1015 | u64 ieee80211_mandatory_rates(struct ieee80211_local *local, |
1016 | enum ieee80211_band band); | |
f0706e82 | 1017 | |
f4ea83dd | 1018 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1019 | #define debug_noinline noinline |
1020 | #else | |
1021 | #define debug_noinline | |
1022 | #endif | |
1023 | ||
f0706e82 | 1024 | #endif /* IEEE80211_I_H */ |