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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> |
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 | ||
32 | /* ieee80211.o internal definitions, etc. These are not included into | |
33 | * low-level drivers. */ | |
34 | ||
9cfb0009 | 35 | struct ieee80211_local; |
f0706e82 JB |
36 | |
37 | /* Maximum number of broadcast/multicast frames to buffer when some of the | |
38 | * associated stations are using power saving. */ | |
39 | #define AP_MAX_BC_BUFFER 128 | |
40 | ||
41 | /* Maximum number of frames buffered to all STAs, including multicast frames. | |
42 | * Note: increasing this limit increases the potential memory requirement. Each | |
43 | * frame can be up to about 2 kB long. */ | |
44 | #define TOTAL_MAX_TX_BUFFER 512 | |
45 | ||
46 | /* Required encryption head and tailroom */ | |
47 | #define IEEE80211_ENCRYPT_HEADROOM 8 | |
48 | #define IEEE80211_ENCRYPT_TAILROOM 12 | |
49 | ||
50 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent | |
51 | * reception of at least three fragmented frames. This limit can be increased | |
52 | * by changing this define, at the cost of slower frame reassembly and | |
53 | * increased memory use (about 2 kB of RAM per entry). */ | |
54 | #define IEEE80211_FRAGMENT_MAX 4 | |
55 | ||
56 | struct ieee80211_fragment_entry { | |
57 | unsigned long first_frag_time; | |
58 | unsigned int seq; | |
59 | unsigned int rx_queue; | |
60 | unsigned int last_frag; | |
61 | unsigned int extra_len; | |
62 | struct sk_buff_head skb_list; | |
63 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
64 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
65 | }; | |
66 | ||
67 | ||
68 | struct ieee80211_sta_bss { | |
69 | struct list_head list; | |
70 | struct ieee80211_sta_bss *hnext; | |
056cdd59 JB |
71 | size_t ssid_len; |
72 | ||
f0706e82 JB |
73 | atomic_t users; |
74 | ||
75 | u8 bssid[ETH_ALEN]; | |
76 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
98f7dfd8 | 77 | u8 dtim_period; |
f0706e82 | 78 | u16 capability; /* host byte order */ |
8318d78a | 79 | enum ieee80211_band band; |
f0706e82 | 80 | int freq; |
566bfe5a | 81 | int signal, noise, qual; |
f0706e82 JB |
82 | u8 *wpa_ie; |
83 | size_t wpa_ie_len; | |
84 | u8 *rsn_ie; | |
85 | size_t rsn_ie_len; | |
86 | u8 *wmm_ie; | |
87 | size_t wmm_ie_len; | |
c7153508 RR |
88 | u8 *ht_ie; |
89 | size_t ht_ie_len; | |
9306102e EG |
90 | u8 *ht_add_ie; |
91 | size_t ht_add_ie_len; | |
ee385855 LCC |
92 | #ifdef CONFIG_MAC80211_MESH |
93 | u8 *mesh_id; | |
94 | size_t mesh_id_len; | |
24736701 | 95 | u8 *mesh_cfg; |
902acc78 | 96 | #endif |
f0706e82 JB |
97 | #define IEEE80211_MAX_SUPP_RATES 32 |
98 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
99 | size_t supp_rates_len; | |
f0706e82 | 100 | u64 timestamp; |
056cdd59 | 101 | int beacon_int; |
f0706e82 | 102 | |
30b89b0f | 103 | bool probe_resp; |
f0706e82 JB |
104 | unsigned long last_update; |
105 | ||
5628221c DD |
106 | /* during assocation, we save an ERP value from a probe response so |
107 | * that we can feed ERP info to the driver when handling the | |
108 | * association completes. these fields probably won't be up-to-date | |
109 | * otherwise, you probably don't want to use them. */ | |
110 | int has_erp_value; | |
111 | u8 erp_value; | |
f0706e82 JB |
112 | }; |
113 | ||
24736701 | 114 | static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss) |
902acc78 JB |
115 | { |
116 | #ifdef CONFIG_MAC80211_MESH | |
117 | return bss->mesh_cfg; | |
118 | #endif | |
119 | return NULL; | |
120 | } | |
121 | ||
122 | static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss) | |
123 | { | |
124 | #ifdef CONFIG_MAC80211_MESH | |
125 | return bss->mesh_id; | |
126 | #endif | |
127 | return NULL; | |
128 | } | |
129 | ||
130 | static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss) | |
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) | |
147 | #define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) | |
5cf121c3 JB |
148 | |
149 | struct ieee80211_tx_data { | |
150 | struct sk_buff *skb; | |
151 | struct net_device *dev; | |
152 | struct ieee80211_local *local; | |
153 | struct ieee80211_sub_if_data *sdata; | |
154 | struct sta_info *sta; | |
5cf121c3 | 155 | struct ieee80211_key *key; |
5cf121c3 | 156 | |
5cf121c3 | 157 | struct ieee80211_channel *channel; |
2e92e6f2 | 158 | s8 rate_idx; |
5cf121c3 JB |
159 | /* use this rate (if set) for last fragment; rate can |
160 | * be set to lower rate for the first fragments, e.g., | |
161 | * when using CTS protection with IEEE 802.11g. */ | |
2e92e6f2 | 162 | s8 last_frag_rate_idx; |
5cf121c3 JB |
163 | |
164 | /* Extra fragments (in addition to the first fragment | |
165 | * in skb) */ | |
5cf121c3 | 166 | struct sk_buff **extra_frag; |
056cdd59 JB |
167 | int num_extra_frag; |
168 | ||
a4b7d7bd | 169 | u16 ethertype; |
056cdd59 | 170 | unsigned int flags; |
5cf121c3 JB |
171 | }; |
172 | ||
173 | ||
9ae54c84 | 174 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
175 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
176 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
177 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
178 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 179 | |
5cf121c3 | 180 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 181 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
182 | #define IEEE80211_RX_RA_MATCH BIT(1) |
183 | #define IEEE80211_RX_AMSDU BIT(2) | |
184 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) | |
185 | #define IEEE80211_RX_FRAGMENTED BIT(4) | |
186 | ||
187 | struct ieee80211_rx_data { | |
f0706e82 JB |
188 | struct sk_buff *skb; |
189 | struct net_device *dev; | |
190 | struct ieee80211_local *local; | |
191 | struct ieee80211_sub_if_data *sdata; | |
192 | struct sta_info *sta; | |
f0706e82 | 193 | struct ieee80211_key *key; |
5cf121c3 JB |
194 | struct ieee80211_rx_status *status; |
195 | struct ieee80211_rate *rate; | |
056cdd59 | 196 | |
a4b7d7bd | 197 | u16 ethertype; |
056cdd59 | 198 | unsigned int flags; |
5cf121c3 JB |
199 | int sent_ps_buffered; |
200 | int queue; | |
5cf121c3 JB |
201 | u32 tkip_iv32; |
202 | u16 tkip_iv16; | |
f0706e82 JB |
203 | }; |
204 | ||
f0706e82 | 205 | struct ieee80211_tx_stored_packet { |
f0706e82 | 206 | struct sk_buff *skb; |
f0706e82 | 207 | struct sk_buff **extra_frag; |
2e92e6f2 | 208 | s8 last_frag_rate_idx; |
056cdd59 | 209 | int num_extra_frag; |
2e92e6f2 | 210 | bool last_frag_rate_ctrl_probe; |
f0706e82 JB |
211 | }; |
212 | ||
5dfdaf58 JB |
213 | struct beacon_data { |
214 | u8 *head, *tail; | |
215 | int head_len, tail_len; | |
216 | int dtim_period; | |
217 | }; | |
218 | ||
f0706e82 | 219 | struct ieee80211_if_ap { |
5dfdaf58 | 220 | struct beacon_data *beacon; |
f0706e82 | 221 | |
0ec3ca44 JB |
222 | struct list_head vlans; |
223 | ||
f0706e82 JB |
224 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
225 | size_t ssid_len; | |
f0706e82 JB |
226 | |
227 | /* yes, this looks ugly, but guarantees that we can later use | |
228 | * bitmap_empty :) | |
004c872e | 229 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 230 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 231 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 232 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 233 | int dtim_count; |
f0706e82 JB |
234 | int num_beacons; /* number of TXed beacon frames for this BSS */ |
235 | }; | |
236 | ||
237 | struct ieee80211_if_wds { | |
f0706e82 | 238 | struct sta_info *sta; |
056cdd59 | 239 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
240 | }; |
241 | ||
242 | struct ieee80211_if_vlan { | |
0ec3ca44 | 243 | struct list_head list; |
f0706e82 JB |
244 | }; |
245 | ||
ee385855 LCC |
246 | struct mesh_stats { |
247 | __u32 fwded_frames; /* Mesh forwarded frames */ | |
248 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ | |
249 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
250 | atomic_t estab_plinks; | |
251 | }; | |
252 | ||
253 | #define PREQ_Q_F_START 0x1 | |
254 | #define PREQ_Q_F_REFRESH 0x2 | |
255 | struct mesh_preq_queue { | |
256 | struct list_head list; | |
257 | u8 dst[ETH_ALEN]; | |
258 | u8 flags; | |
259 | }; | |
260 | ||
ee385855 LCC |
261 | struct mesh_config { |
262 | /* Timeouts in ms */ | |
263 | /* Mesh plink management parameters */ | |
264 | u16 dot11MeshRetryTimeout; | |
265 | u16 dot11MeshConfirmTimeout; | |
266 | u16 dot11MeshHoldingTimeout; | |
267 | u16 dot11MeshMaxPeerLinks; | |
268 | u8 dot11MeshMaxRetries; | |
269 | u8 dot11MeshTTL; | |
270 | bool auto_open_plinks; | |
271 | /* HWMP parameters */ | |
ee385855 LCC |
272 | u8 dot11MeshHWMPmaxPREQretries; |
273 | u32 path_refresh_time; | |
274 | u16 min_discovery_timeout; | |
056cdd59 JB |
275 | u32 dot11MeshHWMPactivePathTimeout; |
276 | u16 dot11MeshHWMPpreqMinInterval; | |
277 | u16 dot11MeshHWMPnetDiameterTraversalTime; | |
ee385855 | 278 | }; |
902acc78 | 279 | |
ee385855 | 280 | |
d6f2da5b JS |
281 | /* flags used in struct ieee80211_if_sta.flags */ |
282 | #define IEEE80211_STA_SSID_SET BIT(0) | |
283 | #define IEEE80211_STA_BSSID_SET BIT(1) | |
284 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) | |
285 | #define IEEE80211_STA_AUTHENTICATED BIT(3) | |
286 | #define IEEE80211_STA_ASSOCIATED BIT(4) | |
287 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) | |
288 | #define IEEE80211_STA_CREATE_IBSS BIT(6) | |
289 | #define IEEE80211_STA_MIXED_CELL BIT(7) | |
290 | #define IEEE80211_STA_WMM_ENABLED BIT(8) | |
291 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) | |
292 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) | |
293 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) | |
5b98b1f7 | 294 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
f0706e82 | 295 | struct ieee80211_if_sta { |
056cdd59 JB |
296 | struct timer_list timer; |
297 | struct work_struct work; | |
298 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; | |
299 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
f0706e82 JB |
300 | enum { |
301 | IEEE80211_DISABLED, IEEE80211_AUTHENTICATE, | |
302 | IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED, | |
ee385855 LCC |
303 | IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED, |
304 | IEEE80211_MESH_UP | |
f0706e82 | 305 | } state; |
f0706e82 | 306 | size_t ssid_len; |
a0af5f14 HS |
307 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
308 | size_t scan_ssid_len; | |
ee385855 LCC |
309 | #ifdef CONFIG_MAC80211_MESH |
310 | struct timer_list mesh_path_timer; | |
311 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
ee385855 LCC |
312 | size_t mesh_id_len; |
313 | /* Active Path Selection Protocol Identifier */ | |
314 | u8 mesh_pp_id[4]; | |
315 | /* Active Path Selection Metric Identifier */ | |
316 | u8 mesh_pm_id[4]; | |
317 | /* Congestion Control Mode Identifier */ | |
318 | u8 mesh_cc_id[4]; | |
319 | /* Local mesh Destination Sequence Number */ | |
320 | u32 dsn; | |
321 | /* Last used PREQ ID */ | |
322 | u32 preq_id; | |
323 | atomic_t mpaths; | |
324 | /* Timestamp of last DSN update */ | |
325 | unsigned long last_dsn_update; | |
326 | /* Timestamp of last DSN sent */ | |
327 | unsigned long last_preq; | |
328 | struct mesh_rmc *rmc; | |
329 | spinlock_t mesh_preq_queue_lock; | |
330 | struct mesh_preq_queue preq_queue; | |
331 | int preq_queue_len; | |
332 | struct mesh_stats mshstats; | |
333 | struct mesh_config mshcfg; | |
51ceddad | 334 | u32 mesh_seqnum; |
056cdd59 | 335 | bool accepting_plinks; |
ee385855 | 336 | #endif |
f0706e82 JB |
337 | u16 aid; |
338 | u16 ap_capab, capab; | |
339 | u8 *extra_ie; /* to be added to the end of AssocReq */ | |
340 | size_t extra_ie_len; | |
341 | ||
342 | /* The last AssocReq/Resp IEs */ | |
343 | u8 *assocreq_ies, *assocresp_ies; | |
344 | size_t assocreq_ies_len, assocresp_ies_len; | |
345 | ||
056cdd59 JB |
346 | struct sk_buff_head skb_queue; |
347 | ||
f0706e82 JB |
348 | int auth_tries, assoc_tries; |
349 | ||
056cdd59 JB |
350 | unsigned long request; |
351 | ||
352 | unsigned long last_probe; | |
353 | ||
d6f2da5b | 354 | unsigned int flags; |
f0706e82 JB |
355 | #define IEEE80211_STA_REQ_SCAN 0 |
356 | #define IEEE80211_STA_REQ_AUTH 1 | |
357 | #define IEEE80211_STA_REQ_RUN 2 | |
f0706e82 JB |
358 | |
359 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) | |
360 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) | |
361 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) | |
362 | unsigned int auth_algs; /* bitfield of allowed auth algs */ | |
363 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ | |
364 | int auth_transaction; | |
365 | ||
366 | unsigned long ibss_join_req; | |
367 | struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ | |
8318d78a | 368 | u32 supp_rates_bits[IEEE80211_NUM_BANDS]; |
f0706e82 JB |
369 | |
370 | int wmm_last_param_set; | |
ee385855 | 371 | int num_beacons; /* number of TXed beacon frames by this STA */ |
f0706e82 JB |
372 | }; |
373 | ||
902acc78 JB |
374 | static inline void ieee80211_if_sta_set_mesh_id(struct ieee80211_if_sta *ifsta, |
375 | u8 mesh_id_len, u8 *mesh_id) | |
376 | { | |
377 | #ifdef CONFIG_MAC80211_MESH | |
378 | ifsta->mesh_id_len = mesh_id_len; | |
379 | memcpy(ifsta->mesh_id, mesh_id, mesh_id_len); | |
380 | #endif | |
381 | } | |
382 | ||
383 | #ifdef CONFIG_MAC80211_MESH | |
384 | #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ | |
385 | do { (sta)->mshstats.name++; } while (0) | |
386 | #else | |
387 | #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ | |
388 | do { } while (0) | |
389 | #endif | |
f0706e82 | 390 | |
13262ffd JS |
391 | /* flags used in struct ieee80211_sub_if_data.flags */ |
392 | #define IEEE80211_SDATA_ALLMULTI BIT(0) | |
393 | #define IEEE80211_SDATA_PROMISC BIT(1) | |
471b3efd | 394 | #define IEEE80211_SDATA_USERSPACE_MLME BIT(2) |
8318d78a | 395 | #define IEEE80211_SDATA_OPERATING_GMODE BIT(3) |
f0706e82 JB |
396 | struct ieee80211_sub_if_data { |
397 | struct list_head list; | |
f0706e82 JB |
398 | |
399 | struct wireless_dev wdev; | |
400 | ||
11a843b7 JB |
401 | /* keys */ |
402 | struct list_head key_list; | |
403 | ||
f0706e82 JB |
404 | struct net_device *dev; |
405 | struct ieee80211_local *local; | |
406 | ||
13262ffd | 407 | unsigned int flags; |
7e9ed188 | 408 | |
f0706e82 | 409 | int drop_unencrypted; |
f0706e82 | 410 | |
8318d78a JB |
411 | /* |
412 | * basic rates of this AP or the AP we're associated to | |
413 | */ | |
414 | u64 basic_rates; | |
415 | ||
f0706e82 JB |
416 | /* Fragment table for host-based reassembly */ |
417 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
418 | unsigned int fragment_next; | |
419 | ||
420 | #define NUM_DEFAULT_KEYS 4 | |
421 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; | |
422 | struct ieee80211_key *default_key; | |
423 | ||
3e122be0 JB |
424 | /* BSS configuration for this interface. */ |
425 | struct ieee80211_bss_conf bss_conf; | |
426 | ||
471b3efd | 427 | /* |
3e122be0 JB |
428 | * AP this belongs to: self in AP mode and |
429 | * corresponding AP in VLAN mode, NULL for | |
430 | * all others (might be needed later in IBSS) | |
471b3efd | 431 | */ |
3e122be0 JB |
432 | struct ieee80211_if_ap *bss; |
433 | ||
434 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ | |
435 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ | |
f0706e82 JB |
436 | |
437 | union { | |
438 | struct ieee80211_if_ap ap; | |
439 | struct ieee80211_if_wds wds; | |
440 | struct ieee80211_if_vlan vlan; | |
441 | struct ieee80211_if_sta sta; | |
8cc9a739 | 442 | u32 mntr_flags; |
f0706e82 | 443 | } u; |
e9f207f0 JB |
444 | |
445 | #ifdef CONFIG_MAC80211_DEBUGFS | |
446 | struct dentry *debugfsdir; | |
447 | union { | |
448 | struct { | |
e9f207f0 | 449 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
450 | struct dentry *state; |
451 | struct dentry *bssid; | |
452 | struct dentry *prev_bssid; | |
453 | struct dentry *ssid_len; | |
454 | struct dentry *aid; | |
455 | struct dentry *ap_capab; | |
456 | struct dentry *capab; | |
457 | struct dentry *extra_ie_len; | |
458 | struct dentry *auth_tries; | |
459 | struct dentry *assoc_tries; | |
460 | struct dentry *auth_algs; | |
461 | struct dentry *auth_alg; | |
462 | struct dentry *auth_transaction; | |
463 | struct dentry *flags; | |
ee385855 | 464 | struct dentry *num_beacons_sta; |
e9f207f0 JB |
465 | } sta; |
466 | struct { | |
e9f207f0 | 467 | struct dentry *drop_unencrypted; |
e9f207f0 | 468 | struct dentry *num_sta_ps; |
e9f207f0 JB |
469 | struct dentry *dtim_count; |
470 | struct dentry *num_beacons; | |
471 | struct dentry *force_unicast_rateidx; | |
472 | struct dentry *max_ratectrl_rateidx; | |
473 | struct dentry *num_buffered_multicast; | |
e9f207f0 JB |
474 | } ap; |
475 | struct { | |
e9f207f0 | 476 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
477 | struct dentry *peer; |
478 | } wds; | |
479 | struct { | |
e9f207f0 | 480 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
481 | } vlan; |
482 | struct { | |
483 | struct dentry *mode; | |
484 | } monitor; | |
485 | struct dentry *default_key; | |
486 | } debugfs; | |
ee385855 LCC |
487 | |
488 | #ifdef CONFIG_MAC80211_MESH | |
489 | struct dentry *mesh_stats_dir; | |
490 | struct { | |
491 | struct dentry *fwded_frames; | |
492 | struct dentry *dropped_frames_ttl; | |
493 | struct dentry *dropped_frames_no_route; | |
494 | struct dentry *estab_plinks; | |
902acc78 | 495 | struct timer_list mesh_path_timer; |
ee385855 LCC |
496 | } mesh_stats; |
497 | ||
498 | struct dentry *mesh_config_dir; | |
499 | struct { | |
500 | struct dentry *dot11MeshRetryTimeout; | |
501 | struct dentry *dot11MeshConfirmTimeout; | |
502 | struct dentry *dot11MeshHoldingTimeout; | |
503 | struct dentry *dot11MeshMaxRetries; | |
504 | struct dentry *dot11MeshTTL; | |
505 | struct dentry *auto_open_plinks; | |
506 | struct dentry *dot11MeshMaxPeerLinks; | |
507 | struct dentry *dot11MeshHWMPactivePathTimeout; | |
508 | struct dentry *dot11MeshHWMPpreqMinInterval; | |
509 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; | |
510 | struct dentry *dot11MeshHWMPmaxPREQretries; | |
511 | struct dentry *path_refresh_time; | |
512 | struct dentry *min_discovery_timeout; | |
513 | } mesh_config; | |
514 | #endif | |
515 | ||
e9f207f0 | 516 | #endif |
32bfd35d JB |
517 | /* must be last, dynamically sized area in this! */ |
518 | struct ieee80211_vif vif; | |
f0706e82 JB |
519 | }; |
520 | ||
32bfd35d JB |
521 | static inline |
522 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
523 | { | |
524 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
525 | } | |
526 | ||
f0706e82 JB |
527 | enum { |
528 | IEEE80211_RX_MSG = 1, | |
529 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
530 | IEEE80211_DELBA_MSG = 3, |
531 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
532 | }; |
533 | ||
51cb6db0 DM |
534 | /* maximum number of hardware queues we support. */ |
535 | #define QD_MAX_QUEUES (IEEE80211_MAX_AMPDU_QUEUES + IEEE80211_MAX_QUEUES) | |
536 | ||
f0706e82 JB |
537 | struct ieee80211_local { |
538 | /* embed the driver visible part. | |
539 | * don't cast (use the static inlines below), but we keep | |
540 | * it first anyway so they become a no-op */ | |
541 | struct ieee80211_hw hw; | |
542 | ||
543 | const struct ieee80211_ops *ops; | |
544 | ||
51cb6db0 DM |
545 | unsigned long queue_pool[BITS_TO_LONGS(QD_MAX_QUEUES)]; |
546 | ||
f0706e82 | 547 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
f0706e82 | 548 | int open_count; |
3d30d949 | 549 | int monitors, cooked_mntrs; |
8cc9a739 MW |
550 | /* number of interfaces with corresponding FIF_ flags */ |
551 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; | |
4150c572 | 552 | unsigned int filter_flags; /* FIF_* */ |
f0706e82 JB |
553 | struct iw_statistics wstats; |
554 | u8 wstats_flags; | |
d0709a65 | 555 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
b306f453 | 556 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 557 | |
f0706e82 JB |
558 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
559 | * added to skb_queue will be processed, but frames in | |
560 | * skb_queue_unreliable may be dropped if the total length of these | |
561 | * queues increases over the limit. */ | |
562 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
563 | struct tasklet_struct tasklet; | |
564 | struct sk_buff_head skb_queue; | |
565 | struct sk_buff_head skb_queue_unreliable; | |
566 | ||
d0709a65 JB |
567 | /* Station data */ |
568 | /* | |
569 | * The lock only protects the list, hash, timer and counter | |
570 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 571 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
572 | */ |
573 | spinlock_t sta_lock; | |
574 | unsigned long num_sta; | |
f0706e82 | 575 | struct list_head sta_list; |
dc6676b7 JB |
576 | struct list_head sta_flush_list; |
577 | struct work_struct sta_flush_work; | |
f0706e82 JB |
578 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
579 | struct timer_list sta_cleanup; | |
580 | ||
e2530083 | 581 | unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
f8e79ddd | 582 | unsigned long queues_pending_run[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
eefce91a | 583 | struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
584 | struct tasklet_struct tx_pending_tasklet; |
585 | ||
53918994 JB |
586 | /* number of interfaces with corresponding IFF_ flags */ |
587 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
588 | |
589 | struct rate_control_ref *rate_ctrl; | |
590 | ||
f0706e82 | 591 | int rts_threshold; |
f0706e82 JB |
592 | int fragmentation_threshold; |
593 | int short_retry_limit; /* dot11ShortRetryLimit */ | |
594 | int long_retry_limit; /* dot11LongRetryLimit */ | |
f0706e82 JB |
595 | |
596 | struct crypto_blkcipher *wep_tx_tfm; | |
597 | struct crypto_blkcipher *wep_rx_tfm; | |
598 | u32 wep_iv; | |
f0706e82 JB |
599 | |
600 | int bridge_packets; /* bridge packets between associated stations and | |
601 | * deliver multicast frames both back to wireless | |
602 | * media and to the local net stack */ | |
603 | ||
79010420 JB |
604 | struct list_head interfaces; |
605 | ||
b16bd15c JB |
606 | /* |
607 | * Key lock, protects sdata's key_list and sta_info's | |
608 | * key pointers (write access, they're RCU.) | |
609 | */ | |
610 | spinlock_t key_lock; | |
611 | ||
612 | ||
ece8eddd ZY |
613 | bool sta_sw_scanning; |
614 | bool sta_hw_scanning; | |
f0706e82 | 615 | int scan_channel_idx; |
8318d78a JB |
616 | enum ieee80211_band scan_band; |
617 | ||
f0706e82 JB |
618 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
619 | unsigned long last_scan_completed; | |
620 | struct delayed_work scan_work; | |
621 | struct net_device *scan_dev; | |
622 | struct ieee80211_channel *oper_channel, *scan_channel; | |
f0706e82 JB |
623 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
624 | size_t scan_ssid_len; | |
625 | struct list_head sta_bss_list; | |
626 | struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE]; | |
627 | spinlock_t sta_bss_lock; | |
f0706e82 JB |
628 | |
629 | /* SNMP counters */ | |
630 | /* dot11CountersTable */ | |
631 | u32 dot11TransmittedFragmentCount; | |
632 | u32 dot11MulticastTransmittedFrameCount; | |
633 | u32 dot11FailedCount; | |
634 | u32 dot11RetryCount; | |
635 | u32 dot11MultipleRetryCount; | |
636 | u32 dot11FrameDuplicateCount; | |
637 | u32 dot11ReceivedFragmentCount; | |
638 | u32 dot11MulticastReceivedFrameCount; | |
639 | u32 dot11TransmittedFrameCount; | |
640 | u32 dot11WEPUndecryptableCount; | |
641 | ||
642 | #ifdef CONFIG_MAC80211_LEDS | |
643 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
644 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
645 | char tx_led_name[32], rx_led_name[32], | |
646 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
647 | #endif |
648 | ||
e9f207f0 JB |
649 | #ifdef CONFIG_MAC80211_DEBUGFS |
650 | struct work_struct sta_debugfs_add; | |
651 | #endif | |
652 | ||
f0706e82 JB |
653 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
654 | /* TX/RX handler statistics */ | |
655 | unsigned int tx_handlers_drop; | |
656 | unsigned int tx_handlers_queued; | |
657 | unsigned int tx_handlers_drop_unencrypted; | |
658 | unsigned int tx_handlers_drop_fragment; | |
659 | unsigned int tx_handlers_drop_wep; | |
660 | unsigned int tx_handlers_drop_not_assoc; | |
661 | unsigned int tx_handlers_drop_unauth_port; | |
662 | unsigned int rx_handlers_drop; | |
663 | unsigned int rx_handlers_queued; | |
664 | unsigned int rx_handlers_drop_nullfunc; | |
665 | unsigned int rx_handlers_drop_defrag; | |
666 | unsigned int rx_handlers_drop_short; | |
667 | unsigned int rx_handlers_drop_passive_scan; | |
668 | unsigned int tx_expand_skb_head; | |
669 | unsigned int tx_expand_skb_head_cloned; | |
670 | unsigned int rx_expand_skb_head; | |
671 | unsigned int rx_expand_skb_head2; | |
672 | unsigned int rx_handlers_fragments; | |
673 | unsigned int tx_status_drop; | |
f0706e82 JB |
674 | #define I802_DEBUG_INC(c) (c)++ |
675 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
676 | #define I802_DEBUG_INC(c) do { } while (0) | |
677 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
678 | ||
679 | ||
f0706e82 JB |
680 | int total_ps_buffered; /* total number of all buffered unicast and |
681 | * multicast packets for power saving stations | |
682 | */ | |
f0706e82 JB |
683 | int wifi_wme_noack_test; |
684 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
685 | ||
e9f207f0 JB |
686 | #ifdef CONFIG_MAC80211_DEBUGFS |
687 | struct local_debugfsdentries { | |
e9f207f0 | 688 | struct dentry *frequency; |
e9f207f0 JB |
689 | struct dentry *antenna_sel_tx; |
690 | struct dentry *antenna_sel_rx; | |
691 | struct dentry *bridge_packets; | |
e9f207f0 JB |
692 | struct dentry *rts_threshold; |
693 | struct dentry *fragmentation_threshold; | |
694 | struct dentry *short_retry_limit; | |
695 | struct dentry *long_retry_limit; | |
696 | struct dentry *total_ps_buffered; | |
e9f207f0 | 697 | struct dentry *wep_iv; |
e9f207f0 JB |
698 | struct dentry *statistics; |
699 | struct local_debugfsdentries_statsdentries { | |
700 | struct dentry *transmitted_fragment_count; | |
701 | struct dentry *multicast_transmitted_frame_count; | |
702 | struct dentry *failed_count; | |
703 | struct dentry *retry_count; | |
704 | struct dentry *multiple_retry_count; | |
705 | struct dentry *frame_duplicate_count; | |
706 | struct dentry *received_fragment_count; | |
707 | struct dentry *multicast_received_frame_count; | |
708 | struct dentry *transmitted_frame_count; | |
709 | struct dentry *wep_undecryptable_count; | |
710 | struct dentry *num_scans; | |
711 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS | |
712 | struct dentry *tx_handlers_drop; | |
713 | struct dentry *tx_handlers_queued; | |
714 | struct dentry *tx_handlers_drop_unencrypted; | |
715 | struct dentry *tx_handlers_drop_fragment; | |
716 | struct dentry *tx_handlers_drop_wep; | |
717 | struct dentry *tx_handlers_drop_not_assoc; | |
718 | struct dentry *tx_handlers_drop_unauth_port; | |
719 | struct dentry *rx_handlers_drop; | |
720 | struct dentry *rx_handlers_queued; | |
721 | struct dentry *rx_handlers_drop_nullfunc; | |
722 | struct dentry *rx_handlers_drop_defrag; | |
723 | struct dentry *rx_handlers_drop_short; | |
724 | struct dentry *rx_handlers_drop_passive_scan; | |
725 | struct dentry *tx_expand_skb_head; | |
726 | struct dentry *tx_expand_skb_head_cloned; | |
727 | struct dentry *rx_expand_skb_head; | |
728 | struct dentry *rx_expand_skb_head2; | |
729 | struct dentry *rx_handlers_fragments; | |
730 | struct dentry *tx_status_drop; | |
e9f207f0 JB |
731 | #endif |
732 | struct dentry *dot11ACKFailureCount; | |
733 | struct dentry *dot11RTSFailureCount; | |
734 | struct dentry *dot11FCSErrorCount; | |
735 | struct dentry *dot11RTSSuccessCount; | |
736 | } stats; | |
737 | struct dentry *stations; | |
738 | struct dentry *keys; | |
739 | } debugfs; | |
740 | #endif | |
f0706e82 JB |
741 | }; |
742 | ||
3e122be0 JB |
743 | static inline struct ieee80211_sub_if_data * |
744 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
745 | { | |
746 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
747 | ||
748 | BUG_ON(!local || local->mdev == dev); | |
749 | ||
750 | return netdev_priv(dev); | |
751 | } | |
752 | ||
eadc8d9e RR |
753 | /* this struct represents 802.11n's RA/TID combination */ |
754 | struct ieee80211_ra_tid { | |
755 | u8 ra[ETH_ALEN]; | |
756 | u16 tid; | |
757 | }; | |
758 | ||
ee385855 LCC |
759 | /* Parsed Information Elements */ |
760 | struct ieee802_11_elems { | |
761 | /* pointers to IEs */ | |
762 | u8 *ssid; | |
763 | u8 *supp_rates; | |
764 | u8 *fh_params; | |
765 | u8 *ds_params; | |
766 | u8 *cf_params; | |
767 | u8 *tim; | |
768 | u8 *ibss_params; | |
769 | u8 *challenge; | |
770 | u8 *wpa; | |
771 | u8 *rsn; | |
772 | u8 *erp_info; | |
773 | u8 *ext_supp_rates; | |
774 | u8 *wmm_info; | |
775 | u8 *wmm_param; | |
776 | u8 *ht_cap_elem; | |
777 | u8 *ht_info_elem; | |
778 | u8 *mesh_config; | |
779 | u8 *mesh_id; | |
780 | u8 *peer_link; | |
781 | u8 *preq; | |
782 | u8 *prep; | |
783 | u8 *perr; | |
f2df3859 AK |
784 | u8 *ch_switch_elem; |
785 | u8 *country_elem; | |
786 | u8 *pwr_constr_elem; | |
787 | u8 *quiet_elem; /* first quite element */ | |
ee385855 LCC |
788 | |
789 | /* length of them, respectively */ | |
790 | u8 ssid_len; | |
791 | u8 supp_rates_len; | |
792 | u8 fh_params_len; | |
793 | u8 ds_params_len; | |
794 | u8 cf_params_len; | |
795 | u8 tim_len; | |
796 | u8 ibss_params_len; | |
797 | u8 challenge_len; | |
798 | u8 wpa_len; | |
799 | u8 rsn_len; | |
800 | u8 erp_info_len; | |
801 | u8 ext_supp_rates_len; | |
802 | u8 wmm_info_len; | |
803 | u8 wmm_param_len; | |
804 | u8 ht_cap_elem_len; | |
805 | u8 ht_info_elem_len; | |
806 | u8 mesh_config_len; | |
807 | u8 mesh_id_len; | |
808 | u8 peer_link_len; | |
809 | u8 preq_len; | |
810 | u8 prep_len; | |
811 | u8 perr_len; | |
f2df3859 AK |
812 | u8 ch_switch_elem_len; |
813 | u8 country_elem_len; | |
814 | u8 pwr_constr_elem_len; | |
815 | u8 quiet_elem_len; | |
816 | u8 num_of_quiet_elem; /* can be more the one */ | |
ee385855 LCC |
817 | }; |
818 | ||
f0706e82 JB |
819 | static inline struct ieee80211_local *hw_to_local( |
820 | struct ieee80211_hw *hw) | |
821 | { | |
822 | return container_of(hw, struct ieee80211_local, hw); | |
823 | } | |
824 | ||
825 | static inline struct ieee80211_hw *local_to_hw( | |
826 | struct ieee80211_local *local) | |
827 | { | |
828 | return &local->hw; | |
829 | } | |
830 | ||
f0706e82 JB |
831 | struct sta_attribute { |
832 | struct attribute attr; | |
833 | ssize_t (*show)(const struct sta_info *, char *buf); | |
834 | ssize_t (*store)(struct sta_info *, const char *buf, size_t count); | |
835 | }; | |
836 | ||
571ecf67 JB |
837 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
838 | { | |
839 | return compare_ether_addr(raddr, addr) == 0 || | |
840 | is_broadcast_ether_addr(raddr); | |
841 | } | |
842 | ||
843 | ||
f0706e82 JB |
844 | /* ieee80211.c */ |
845 | int ieee80211_hw_config(struct ieee80211_local *local); | |
9d139c81 | 846 | int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed); |
5cf121c3 | 847 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
38668c05 TW |
848 | u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht, |
849 | struct ieee80211_ht_info *req_ht_cap, | |
850 | struct ieee80211_ht_bss_info *req_bss_cap); | |
f0706e82 JB |
851 | |
852 | /* ieee80211_ioctl.c */ | |
853 | extern const struct iw_handler_def ieee80211_iw_handler_def; | |
f698d856 | 854 | int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq); |
65b53e4c | 855 | |
f0706e82 JB |
856 | /* ieee80211_sta.c */ |
857 | void ieee80211_sta_timer(unsigned long data); | |
858 | void ieee80211_sta_work(struct work_struct *work); | |
859 | void ieee80211_sta_scan_work(struct work_struct *work); | |
f698d856 | 860 | void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
f0706e82 | 861 | struct ieee80211_rx_status *rx_status); |
f698d856 JBG |
862 | int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); |
863 | int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); | |
864 | int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); | |
865 | int ieee80211_sta_req_scan(struct ieee80211_sub_if_data *sdata, u8 *ssid, size_t ssid_len); | |
866 | void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata, | |
f0706e82 | 867 | struct ieee80211_if_sta *ifsta); |
f698d856 | 868 | int ieee80211_sta_scan_results(struct ieee80211_local *local, |
ccc58057 DM |
869 | struct iw_request_info *info, |
870 | char *buf, size_t len); | |
9ae54c84 | 871 | ieee80211_rx_result ieee80211_sta_rx_scan( |
f698d856 | 872 | struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
9ae54c84 | 873 | struct ieee80211_rx_status *rx_status); |
3e122be0 JB |
874 | void ieee80211_rx_bss_list_init(struct ieee80211_local *local); |
875 | void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local); | |
f698d856 JBG |
876 | int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len); |
877 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, | |
988c0f72 | 878 | struct sk_buff *skb, u8 *bssid, |
87291c02 | 879 | u8 *addr, u64 supp_rates); |
f698d856 JBG |
880 | int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason); |
881 | int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason); | |
471b3efd JB |
882 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
883 | u32 changed); | |
f698d856 | 884 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
c7153508 RR |
885 | int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie, |
886 | struct ieee80211_ht_info *ht_info); | |
887 | int ieee80211_ht_addt_info_ie_to_ht_bss_info( | |
888 | struct ieee80211_ht_addt_info *ht_add_info_ie, | |
889 | struct ieee80211_ht_bss_info *bss_info); | |
f698d856 | 890 | void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, const u8 *da, |
eadc8d9e RR |
891 | u16 tid, u8 dialog_token, u16 start_seq_num, |
892 | u16 agg_size, u16 timeout); | |
f698d856 | 893 | void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata, const u8 *da, u16 tid, |
eadc8d9e | 894 | u16 initiator, u16 reason_code); |
f698d856 | 895 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); |
85249e5f | 896 | |
f698d856 | 897 | void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da, |
07db2183 | 898 | u16 tid, u16 initiator, u16 reason); |
eadc8d9e | 899 | void sta_addba_resp_timer_expired(unsigned long data); |
f698d856 | 900 | void ieee80211_sta_tear_down_BA_sessions(struct ieee80211_sub_if_data *sdata, u8 *addr); |
ee385855 LCC |
901 | u64 ieee80211_sta_get_rates(struct ieee80211_local *local, |
902 | struct ieee802_11_elems *elems, | |
903 | enum ieee80211_band band); | |
f698d856 | 904 | void ieee80211_sta_tx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
ee385855 LCC |
905 | int encrypt); |
906 | void ieee802_11_parse_elems(u8 *start, size_t len, | |
907 | struct ieee802_11_elems *elems); | |
908 | ||
902acc78 | 909 | #ifdef CONFIG_MAC80211_MESH |
f698d856 | 910 | void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata); |
902acc78 | 911 | #else |
f698d856 | 912 | static inline void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata) |
902acc78 JB |
913 | {} |
914 | #endif | |
ee385855 | 915 | |
3e122be0 | 916 | /* interface handling */ |
75636525 | 917 | void ieee80211_if_setup(struct net_device *dev); |
3e122be0 | 918 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
75636525 | 919 | struct net_device **new_dev, enum ieee80211_if_types type, |
ee385855 | 920 | struct vif_params *params); |
f3947e2d JB |
921 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
922 | enum ieee80211_if_types type); | |
f698d856 | 923 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 924 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
f0706e82 | 925 | |
e2ebc74d | 926 | /* tx handling */ |
e2ebc74d JB |
927 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
928 | void ieee80211_tx_pending(unsigned long data); | |
929 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
930 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
931 | int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
e2ebc74d | 932 | |
c2d1560a JB |
933 | /* utility functions/constants */ |
934 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
935 | extern const unsigned char rfc1042_header[6]; | |
936 | extern const unsigned char bridge_tunnel_header[6]; | |
71364716 RR |
937 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
938 | enum ieee80211_if_types type); | |
c2d1560a JB |
939 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
940 | int rate, int erp, int short_preamble); | |
f698d856 | 941 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
eb063c17 | 942 | struct ieee80211_hdr *hdr); |
f0706e82 | 943 | |
f4ea83dd | 944 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
945 | #define debug_noinline noinline |
946 | #else | |
947 | #define debug_noinline | |
948 | #endif | |
949 | ||
f0706e82 | 950 | #endif /* IEEE80211_I_H */ |