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> |
2c8dccc7 | 27 | #include "key.h" |
f0706e82 JB |
28 | #include "sta_info.h" |
29 | ||
30 | /* ieee80211.o internal definitions, etc. These are not included into | |
31 | * low-level drivers. */ | |
32 | ||
33 | #ifndef ETH_P_PAE | |
34 | #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ | |
35 | #endif /* ETH_P_PAE */ | |
36 | ||
37 | #define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08) | |
38 | ||
9cfb0009 | 39 | #define IEEE80211_FC(type, subtype) cpu_to_le16(type | subtype) |
f0706e82 | 40 | |
9cfb0009 | 41 | struct ieee80211_local; |
f0706e82 JB |
42 | |
43 | /* Maximum number of broadcast/multicast frames to buffer when some of the | |
44 | * associated stations are using power saving. */ | |
45 | #define AP_MAX_BC_BUFFER 128 | |
46 | ||
47 | /* Maximum number of frames buffered to all STAs, including multicast frames. | |
48 | * Note: increasing this limit increases the potential memory requirement. Each | |
49 | * frame can be up to about 2 kB long. */ | |
50 | #define TOTAL_MAX_TX_BUFFER 512 | |
51 | ||
52 | /* Required encryption head and tailroom */ | |
53 | #define IEEE80211_ENCRYPT_HEADROOM 8 | |
54 | #define IEEE80211_ENCRYPT_TAILROOM 12 | |
55 | ||
56 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent | |
57 | * reception of at least three fragmented frames. This limit can be increased | |
58 | * by changing this define, at the cost of slower frame reassembly and | |
59 | * increased memory use (about 2 kB of RAM per entry). */ | |
60 | #define IEEE80211_FRAGMENT_MAX 4 | |
61 | ||
62 | struct ieee80211_fragment_entry { | |
63 | unsigned long first_frag_time; | |
64 | unsigned int seq; | |
65 | unsigned int rx_queue; | |
66 | unsigned int last_frag; | |
67 | unsigned int extra_len; | |
68 | struct sk_buff_head skb_list; | |
69 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
70 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
71 | }; | |
72 | ||
73 | ||
74 | struct ieee80211_sta_bss { | |
75 | struct list_head list; | |
76 | struct ieee80211_sta_bss *hnext; | |
056cdd59 JB |
77 | size_t ssid_len; |
78 | ||
f0706e82 JB |
79 | atomic_t users; |
80 | ||
81 | u8 bssid[ETH_ALEN]; | |
82 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
f0706e82 | 83 | u16 capability; /* host byte order */ |
8318d78a | 84 | enum ieee80211_band band; |
f0706e82 | 85 | int freq; |
566bfe5a | 86 | int signal, noise, qual; |
f0706e82 JB |
87 | u8 *wpa_ie; |
88 | size_t wpa_ie_len; | |
89 | u8 *rsn_ie; | |
90 | size_t rsn_ie_len; | |
91 | u8 *wmm_ie; | |
92 | size_t wmm_ie_len; | |
c7153508 RR |
93 | u8 *ht_ie; |
94 | size_t ht_ie_len; | |
ee385855 LCC |
95 | #ifdef CONFIG_MAC80211_MESH |
96 | u8 *mesh_id; | |
97 | size_t mesh_id_len; | |
24736701 | 98 | u8 *mesh_cfg; |
902acc78 | 99 | #endif |
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 | u64 timestamp; |
056cdd59 | 104 | int beacon_int; |
f0706e82 | 105 | |
30b89b0f | 106 | bool probe_resp; |
f0706e82 JB |
107 | unsigned long last_update; |
108 | ||
5628221c DD |
109 | /* during assocation, we save an ERP value from a probe response so |
110 | * that we can feed ERP info to the driver when handling the | |
111 | * association completes. these fields probably won't be up-to-date | |
112 | * otherwise, you probably don't want to use them. */ | |
113 | int has_erp_value; | |
114 | u8 erp_value; | |
f0706e82 JB |
115 | }; |
116 | ||
24736701 | 117 | static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss) |
902acc78 JB |
118 | { |
119 | #ifdef CONFIG_MAC80211_MESH | |
120 | return bss->mesh_cfg; | |
121 | #endif | |
122 | return NULL; | |
123 | } | |
124 | ||
125 | static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss) | |
126 | { | |
127 | #ifdef CONFIG_MAC80211_MESH | |
128 | return bss->mesh_id; | |
129 | #endif | |
130 | return NULL; | |
131 | } | |
132 | ||
133 | static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss) | |
134 | { | |
135 | #ifdef CONFIG_MAC80211_MESH | |
136 | return bss->mesh_id_len; | |
137 | #endif | |
138 | return 0; | |
139 | } | |
140 | ||
f0706e82 | 141 | |
9ae54c84 JB |
142 | typedef unsigned __bitwise__ ieee80211_tx_result; |
143 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
144 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
145 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
146 | ||
5cf121c3 JB |
147 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
148 | #define IEEE80211_TX_UNICAST BIT(1) | |
149 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
150 | #define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) | |
5cf121c3 JB |
151 | |
152 | struct ieee80211_tx_data { | |
153 | struct sk_buff *skb; | |
154 | struct net_device *dev; | |
155 | struct ieee80211_local *local; | |
156 | struct ieee80211_sub_if_data *sdata; | |
157 | struct sta_info *sta; | |
5cf121c3 | 158 | struct ieee80211_key *key; |
5cf121c3 | 159 | |
5cf121c3 | 160 | struct ieee80211_channel *channel; |
2e92e6f2 | 161 | s8 rate_idx; |
5cf121c3 JB |
162 | /* use this rate (if set) for last fragment; rate can |
163 | * be set to lower rate for the first fragments, e.g., | |
164 | * when using CTS protection with IEEE 802.11g. */ | |
2e92e6f2 | 165 | s8 last_frag_rate_idx; |
5cf121c3 JB |
166 | |
167 | /* Extra fragments (in addition to the first fragment | |
168 | * in skb) */ | |
5cf121c3 | 169 | struct sk_buff **extra_frag; |
056cdd59 JB |
170 | int num_extra_frag; |
171 | ||
172 | u16 fc, ethertype; | |
173 | unsigned int flags; | |
5cf121c3 JB |
174 | }; |
175 | ||
176 | ||
9ae54c84 | 177 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
178 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
179 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
180 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
181 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 182 | |
5cf121c3 | 183 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 184 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
185 | #define IEEE80211_RX_RA_MATCH BIT(1) |
186 | #define IEEE80211_RX_AMSDU BIT(2) | |
187 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) | |
188 | #define IEEE80211_RX_FRAGMENTED BIT(4) | |
189 | ||
190 | struct ieee80211_rx_data { | |
f0706e82 JB |
191 | struct sk_buff *skb; |
192 | struct net_device *dev; | |
193 | struct ieee80211_local *local; | |
194 | struct ieee80211_sub_if_data *sdata; | |
195 | struct sta_info *sta; | |
f0706e82 | 196 | struct ieee80211_key *key; |
5cf121c3 JB |
197 | struct ieee80211_rx_status *status; |
198 | struct ieee80211_rate *rate; | |
056cdd59 JB |
199 | |
200 | u16 fc, ethertype; | |
201 | unsigned int flags; | |
5cf121c3 JB |
202 | int sent_ps_buffered; |
203 | int queue; | |
204 | int load; | |
205 | u32 tkip_iv32; | |
206 | u16 tkip_iv16; | |
f0706e82 JB |
207 | }; |
208 | ||
f0706e82 | 209 | struct ieee80211_tx_stored_packet { |
f0706e82 | 210 | struct sk_buff *skb; |
f0706e82 | 211 | struct sk_buff **extra_frag; |
2e92e6f2 | 212 | s8 last_frag_rate_idx; |
056cdd59 | 213 | int num_extra_frag; |
2e92e6f2 | 214 | bool last_frag_rate_ctrl_probe; |
f0706e82 JB |
215 | }; |
216 | ||
5dfdaf58 JB |
217 | struct beacon_data { |
218 | u8 *head, *tail; | |
219 | int head_len, tail_len; | |
220 | int dtim_period; | |
221 | }; | |
222 | ||
f0706e82 | 223 | struct ieee80211_if_ap { |
5dfdaf58 | 224 | struct beacon_data *beacon; |
f0706e82 | 225 | |
0ec3ca44 JB |
226 | struct list_head vlans; |
227 | ||
f0706e82 JB |
228 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
229 | size_t ssid_len; | |
f0706e82 JB |
230 | |
231 | /* yes, this looks ugly, but guarantees that we can later use | |
232 | * bitmap_empty :) | |
004c872e | 233 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 234 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 235 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 236 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 237 | int dtim_count; |
f0706e82 JB |
238 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ |
239 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ | |
240 | int num_beacons; /* number of TXed beacon frames for this BSS */ | |
241 | }; | |
242 | ||
243 | struct ieee80211_if_wds { | |
f0706e82 | 244 | struct sta_info *sta; |
056cdd59 | 245 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
246 | }; |
247 | ||
248 | struct ieee80211_if_vlan { | |
0ec3ca44 JB |
249 | struct ieee80211_sub_if_data *ap; |
250 | struct list_head list; | |
f0706e82 JB |
251 | }; |
252 | ||
ee385855 LCC |
253 | struct mesh_stats { |
254 | __u32 fwded_frames; /* Mesh forwarded frames */ | |
255 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ | |
256 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
257 | atomic_t estab_plinks; | |
258 | }; | |
259 | ||
260 | #define PREQ_Q_F_START 0x1 | |
261 | #define PREQ_Q_F_REFRESH 0x2 | |
262 | struct mesh_preq_queue { | |
263 | struct list_head list; | |
264 | u8 dst[ETH_ALEN]; | |
265 | u8 flags; | |
266 | }; | |
267 | ||
ee385855 LCC |
268 | struct mesh_config { |
269 | /* Timeouts in ms */ | |
270 | /* Mesh plink management parameters */ | |
271 | u16 dot11MeshRetryTimeout; | |
272 | u16 dot11MeshConfirmTimeout; | |
273 | u16 dot11MeshHoldingTimeout; | |
274 | u16 dot11MeshMaxPeerLinks; | |
275 | u8 dot11MeshMaxRetries; | |
276 | u8 dot11MeshTTL; | |
277 | bool auto_open_plinks; | |
278 | /* HWMP parameters */ | |
ee385855 LCC |
279 | u8 dot11MeshHWMPmaxPREQretries; |
280 | u32 path_refresh_time; | |
281 | u16 min_discovery_timeout; | |
056cdd59 JB |
282 | u32 dot11MeshHWMPactivePathTimeout; |
283 | u16 dot11MeshHWMPpreqMinInterval; | |
284 | u16 dot11MeshHWMPnetDiameterTraversalTime; | |
ee385855 | 285 | }; |
902acc78 | 286 | |
ee385855 | 287 | |
d6f2da5b JS |
288 | /* flags used in struct ieee80211_if_sta.flags */ |
289 | #define IEEE80211_STA_SSID_SET BIT(0) | |
290 | #define IEEE80211_STA_BSSID_SET BIT(1) | |
291 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) | |
292 | #define IEEE80211_STA_AUTHENTICATED BIT(3) | |
293 | #define IEEE80211_STA_ASSOCIATED BIT(4) | |
294 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) | |
295 | #define IEEE80211_STA_CREATE_IBSS BIT(6) | |
296 | #define IEEE80211_STA_MIXED_CELL BIT(7) | |
297 | #define IEEE80211_STA_WMM_ENABLED BIT(8) | |
298 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) | |
299 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) | |
300 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) | |
5b98b1f7 | 301 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
f0706e82 | 302 | struct ieee80211_if_sta { |
056cdd59 JB |
303 | struct timer_list timer; |
304 | struct work_struct work; | |
305 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; | |
306 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
f0706e82 JB |
307 | enum { |
308 | IEEE80211_DISABLED, IEEE80211_AUTHENTICATE, | |
309 | IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED, | |
ee385855 LCC |
310 | IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED, |
311 | IEEE80211_MESH_UP | |
f0706e82 | 312 | } state; |
f0706e82 | 313 | size_t ssid_len; |
a0af5f14 HS |
314 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
315 | size_t scan_ssid_len; | |
ee385855 LCC |
316 | #ifdef CONFIG_MAC80211_MESH |
317 | struct timer_list mesh_path_timer; | |
318 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
ee385855 LCC |
319 | size_t mesh_id_len; |
320 | /* Active Path Selection Protocol Identifier */ | |
321 | u8 mesh_pp_id[4]; | |
322 | /* Active Path Selection Metric Identifier */ | |
323 | u8 mesh_pm_id[4]; | |
324 | /* Congestion Control Mode Identifier */ | |
325 | u8 mesh_cc_id[4]; | |
326 | /* Local mesh Destination Sequence Number */ | |
327 | u32 dsn; | |
328 | /* Last used PREQ ID */ | |
329 | u32 preq_id; | |
330 | atomic_t mpaths; | |
331 | /* Timestamp of last DSN update */ | |
332 | unsigned long last_dsn_update; | |
333 | /* Timestamp of last DSN sent */ | |
334 | unsigned long last_preq; | |
335 | struct mesh_rmc *rmc; | |
336 | spinlock_t mesh_preq_queue_lock; | |
337 | struct mesh_preq_queue preq_queue; | |
338 | int preq_queue_len; | |
339 | struct mesh_stats mshstats; | |
340 | struct mesh_config mshcfg; | |
51ceddad | 341 | u32 mesh_seqnum; |
056cdd59 | 342 | bool accepting_plinks; |
ee385855 | 343 | #endif |
f0706e82 JB |
344 | u16 aid; |
345 | u16 ap_capab, capab; | |
346 | u8 *extra_ie; /* to be added to the end of AssocReq */ | |
347 | size_t extra_ie_len; | |
348 | ||
349 | /* The last AssocReq/Resp IEs */ | |
350 | u8 *assocreq_ies, *assocresp_ies; | |
351 | size_t assocreq_ies_len, assocresp_ies_len; | |
352 | ||
056cdd59 JB |
353 | struct sk_buff_head skb_queue; |
354 | ||
f0706e82 JB |
355 | int auth_tries, assoc_tries; |
356 | ||
056cdd59 JB |
357 | unsigned long request; |
358 | ||
359 | unsigned long last_probe; | |
360 | ||
d6f2da5b | 361 | unsigned int flags; |
f0706e82 JB |
362 | #define IEEE80211_STA_REQ_SCAN 0 |
363 | #define IEEE80211_STA_REQ_AUTH 1 | |
364 | #define IEEE80211_STA_REQ_RUN 2 | |
f0706e82 JB |
365 | |
366 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) | |
367 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) | |
368 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) | |
369 | unsigned int auth_algs; /* bitfield of allowed auth algs */ | |
370 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ | |
371 | int auth_transaction; | |
372 | ||
373 | unsigned long ibss_join_req; | |
374 | struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ | |
8318d78a | 375 | u32 supp_rates_bits[IEEE80211_NUM_BANDS]; |
f0706e82 JB |
376 | |
377 | int wmm_last_param_set; | |
ee385855 | 378 | int num_beacons; /* number of TXed beacon frames by this STA */ |
f0706e82 JB |
379 | }; |
380 | ||
902acc78 JB |
381 | static inline void ieee80211_if_sta_set_mesh_id(struct ieee80211_if_sta *ifsta, |
382 | u8 mesh_id_len, u8 *mesh_id) | |
383 | { | |
384 | #ifdef CONFIG_MAC80211_MESH | |
385 | ifsta->mesh_id_len = mesh_id_len; | |
386 | memcpy(ifsta->mesh_id, mesh_id, mesh_id_len); | |
387 | #endif | |
388 | } | |
389 | ||
390 | #ifdef CONFIG_MAC80211_MESH | |
391 | #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ | |
392 | do { (sta)->mshstats.name++; } while (0) | |
393 | #else | |
394 | #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ | |
395 | do { } while (0) | |
396 | #endif | |
f0706e82 | 397 | |
13262ffd JS |
398 | /* flags used in struct ieee80211_sub_if_data.flags */ |
399 | #define IEEE80211_SDATA_ALLMULTI BIT(0) | |
400 | #define IEEE80211_SDATA_PROMISC BIT(1) | |
471b3efd | 401 | #define IEEE80211_SDATA_USERSPACE_MLME BIT(2) |
8318d78a | 402 | #define IEEE80211_SDATA_OPERATING_GMODE BIT(3) |
f0706e82 JB |
403 | struct ieee80211_sub_if_data { |
404 | struct list_head list; | |
f0706e82 JB |
405 | |
406 | struct wireless_dev wdev; | |
407 | ||
11a843b7 JB |
408 | /* keys */ |
409 | struct list_head key_list; | |
410 | ||
f0706e82 JB |
411 | struct net_device *dev; |
412 | struct ieee80211_local *local; | |
413 | ||
13262ffd | 414 | unsigned int flags; |
7e9ed188 | 415 | |
f0706e82 | 416 | int drop_unencrypted; |
f0706e82 | 417 | |
8318d78a JB |
418 | /* |
419 | * basic rates of this AP or the AP we're associated to | |
420 | */ | |
421 | u64 basic_rates; | |
422 | ||
f0706e82 JB |
423 | u16 sequence; |
424 | ||
425 | /* Fragment table for host-based reassembly */ | |
426 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
427 | unsigned int fragment_next; | |
428 | ||
429 | #define NUM_DEFAULT_KEYS 4 | |
430 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; | |
431 | struct ieee80211_key *default_key; | |
432 | ||
471b3efd JB |
433 | /* |
434 | * BSS configuration for this interface. | |
435 | * | |
436 | * FIXME: I feel bad putting this here when we already have a | |
437 | * bss pointer, but the bss pointer is just wrong when | |
438 | * you have multiple virtual STA mode interfaces... | |
439 | * This needs to be fixed. | |
440 | */ | |
441 | struct ieee80211_bss_conf bss_conf; | |
f0706e82 JB |
442 | struct ieee80211_if_ap *bss; /* BSS that this device belongs to */ |
443 | ||
444 | union { | |
445 | struct ieee80211_if_ap ap; | |
446 | struct ieee80211_if_wds wds; | |
447 | struct ieee80211_if_vlan vlan; | |
448 | struct ieee80211_if_sta sta; | |
8cc9a739 | 449 | u32 mntr_flags; |
f0706e82 JB |
450 | } u; |
451 | int channel_use; | |
452 | int channel_use_raw; | |
e9f207f0 JB |
453 | |
454 | #ifdef CONFIG_MAC80211_DEBUGFS | |
455 | struct dentry *debugfsdir; | |
456 | union { | |
457 | struct { | |
458 | struct dentry *channel_use; | |
459 | struct dentry *drop_unencrypted; | |
e9f207f0 JB |
460 | struct dentry *state; |
461 | struct dentry *bssid; | |
462 | struct dentry *prev_bssid; | |
463 | struct dentry *ssid_len; | |
464 | struct dentry *aid; | |
465 | struct dentry *ap_capab; | |
466 | struct dentry *capab; | |
467 | struct dentry *extra_ie_len; | |
468 | struct dentry *auth_tries; | |
469 | struct dentry *assoc_tries; | |
470 | struct dentry *auth_algs; | |
471 | struct dentry *auth_alg; | |
472 | struct dentry *auth_transaction; | |
473 | struct dentry *flags; | |
ee385855 | 474 | struct dentry *num_beacons_sta; |
e9f207f0 JB |
475 | } sta; |
476 | struct { | |
477 | struct dentry *channel_use; | |
478 | struct dentry *drop_unencrypted; | |
e9f207f0 | 479 | struct dentry *num_sta_ps; |
e9f207f0 JB |
480 | struct dentry *dtim_count; |
481 | struct dentry *num_beacons; | |
482 | struct dentry *force_unicast_rateidx; | |
483 | struct dentry *max_ratectrl_rateidx; | |
484 | struct dentry *num_buffered_multicast; | |
e9f207f0 JB |
485 | } ap; |
486 | struct { | |
487 | struct dentry *channel_use; | |
488 | struct dentry *drop_unencrypted; | |
e9f207f0 JB |
489 | struct dentry *peer; |
490 | } wds; | |
491 | struct { | |
492 | struct dentry *channel_use; | |
493 | struct dentry *drop_unencrypted; | |
e9f207f0 JB |
494 | } vlan; |
495 | struct { | |
496 | struct dentry *mode; | |
497 | } monitor; | |
498 | struct dentry *default_key; | |
499 | } debugfs; | |
ee385855 LCC |
500 | |
501 | #ifdef CONFIG_MAC80211_MESH | |
502 | struct dentry *mesh_stats_dir; | |
503 | struct { | |
504 | struct dentry *fwded_frames; | |
505 | struct dentry *dropped_frames_ttl; | |
506 | struct dentry *dropped_frames_no_route; | |
507 | struct dentry *estab_plinks; | |
902acc78 | 508 | struct timer_list mesh_path_timer; |
ee385855 LCC |
509 | } mesh_stats; |
510 | ||
511 | struct dentry *mesh_config_dir; | |
512 | struct { | |
513 | struct dentry *dot11MeshRetryTimeout; | |
514 | struct dentry *dot11MeshConfirmTimeout; | |
515 | struct dentry *dot11MeshHoldingTimeout; | |
516 | struct dentry *dot11MeshMaxRetries; | |
517 | struct dentry *dot11MeshTTL; | |
518 | struct dentry *auto_open_plinks; | |
519 | struct dentry *dot11MeshMaxPeerLinks; | |
520 | struct dentry *dot11MeshHWMPactivePathTimeout; | |
521 | struct dentry *dot11MeshHWMPpreqMinInterval; | |
522 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; | |
523 | struct dentry *dot11MeshHWMPmaxPREQretries; | |
524 | struct dentry *path_refresh_time; | |
525 | struct dentry *min_discovery_timeout; | |
526 | } mesh_config; | |
527 | #endif | |
528 | ||
e9f207f0 | 529 | #endif |
32bfd35d JB |
530 | /* must be last, dynamically sized area in this! */ |
531 | struct ieee80211_vif vif; | |
f0706e82 JB |
532 | }; |
533 | ||
32bfd35d JB |
534 | static inline |
535 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
536 | { | |
537 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
538 | } | |
539 | ||
f0706e82 JB |
540 | #define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev) |
541 | ||
542 | enum { | |
543 | IEEE80211_RX_MSG = 1, | |
544 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
545 | IEEE80211_DELBA_MSG = 3, |
546 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
547 | }; |
548 | ||
549 | struct ieee80211_local { | |
550 | /* embed the driver visible part. | |
551 | * don't cast (use the static inlines below), but we keep | |
552 | * it first anyway so they become a no-op */ | |
553 | struct ieee80211_hw hw; | |
554 | ||
555 | const struct ieee80211_ops *ops; | |
556 | ||
f0706e82 | 557 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
f0706e82 | 558 | int open_count; |
3d30d949 | 559 | int monitors, cooked_mntrs; |
8cc9a739 MW |
560 | /* number of interfaces with corresponding FIF_ flags */ |
561 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; | |
4150c572 | 562 | unsigned int filter_flags; /* FIF_* */ |
f0706e82 JB |
563 | struct iw_statistics wstats; |
564 | u8 wstats_flags; | |
d0709a65 | 565 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
b306f453 | 566 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 JB |
567 | |
568 | enum { | |
569 | IEEE80211_DEV_UNINITIALIZED = 0, | |
570 | IEEE80211_DEV_REGISTERED, | |
571 | IEEE80211_DEV_UNREGISTERED, | |
572 | } reg_state; | |
573 | ||
574 | /* Tasklet and skb queue to process calls from IRQ mode. All frames | |
575 | * added to skb_queue will be processed, but frames in | |
576 | * skb_queue_unreliable may be dropped if the total length of these | |
577 | * queues increases over the limit. */ | |
578 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
579 | struct tasklet_struct tasklet; | |
580 | struct sk_buff_head skb_queue; | |
581 | struct sk_buff_head skb_queue_unreliable; | |
582 | ||
d0709a65 JB |
583 | /* Station data */ |
584 | /* | |
585 | * The lock only protects the list, hash, timer and counter | |
586 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 587 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
588 | */ |
589 | spinlock_t sta_lock; | |
590 | unsigned long num_sta; | |
f0706e82 | 591 | struct list_head sta_list; |
dc6676b7 JB |
592 | struct list_head sta_flush_list; |
593 | struct work_struct sta_flush_work; | |
f0706e82 JB |
594 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
595 | struct timer_list sta_cleanup; | |
596 | ||
e2530083 | 597 | unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
eefce91a | 598 | struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
599 | struct tasklet_struct tx_pending_tasklet; |
600 | ||
53918994 JB |
601 | /* number of interfaces with corresponding IFF_ flags */ |
602 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
603 | |
604 | struct rate_control_ref *rate_ctrl; | |
605 | ||
f0706e82 | 606 | int rts_threshold; |
f0706e82 JB |
607 | int fragmentation_threshold; |
608 | int short_retry_limit; /* dot11ShortRetryLimit */ | |
609 | int long_retry_limit; /* dot11LongRetryLimit */ | |
f0706e82 JB |
610 | |
611 | struct crypto_blkcipher *wep_tx_tfm; | |
612 | struct crypto_blkcipher *wep_rx_tfm; | |
613 | u32 wep_iv; | |
f0706e82 JB |
614 | |
615 | int bridge_packets; /* bridge packets between associated stations and | |
616 | * deliver multicast frames both back to wireless | |
617 | * media and to the local net stack */ | |
618 | ||
79010420 JB |
619 | struct list_head interfaces; |
620 | ||
b16bd15c JB |
621 | /* |
622 | * Key lock, protects sdata's key_list and sta_info's | |
623 | * key pointers (write access, they're RCU.) | |
624 | */ | |
625 | spinlock_t key_lock; | |
626 | ||
627 | ||
ece8eddd ZY |
628 | bool sta_sw_scanning; |
629 | bool sta_hw_scanning; | |
f0706e82 | 630 | int scan_channel_idx; |
8318d78a JB |
631 | enum ieee80211_band scan_band; |
632 | ||
f0706e82 JB |
633 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
634 | unsigned long last_scan_completed; | |
635 | struct delayed_work scan_work; | |
636 | struct net_device *scan_dev; | |
637 | struct ieee80211_channel *oper_channel, *scan_channel; | |
f0706e82 JB |
638 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
639 | size_t scan_ssid_len; | |
640 | struct list_head sta_bss_list; | |
641 | struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE]; | |
642 | spinlock_t sta_bss_lock; | |
f0706e82 JB |
643 | |
644 | /* SNMP counters */ | |
645 | /* dot11CountersTable */ | |
646 | u32 dot11TransmittedFragmentCount; | |
647 | u32 dot11MulticastTransmittedFrameCount; | |
648 | u32 dot11FailedCount; | |
649 | u32 dot11RetryCount; | |
650 | u32 dot11MultipleRetryCount; | |
651 | u32 dot11FrameDuplicateCount; | |
652 | u32 dot11ReceivedFragmentCount; | |
653 | u32 dot11MulticastReceivedFrameCount; | |
654 | u32 dot11TransmittedFrameCount; | |
655 | u32 dot11WEPUndecryptableCount; | |
656 | ||
657 | #ifdef CONFIG_MAC80211_LEDS | |
658 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
659 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
660 | char tx_led_name[32], rx_led_name[32], | |
661 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
662 | #endif |
663 | ||
664 | u32 channel_use; | |
665 | u32 channel_use_raw; | |
f0706e82 | 666 | |
e9f207f0 JB |
667 | #ifdef CONFIG_MAC80211_DEBUGFS |
668 | struct work_struct sta_debugfs_add; | |
669 | #endif | |
670 | ||
f0706e82 JB |
671 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
672 | /* TX/RX handler statistics */ | |
673 | unsigned int tx_handlers_drop; | |
674 | unsigned int tx_handlers_queued; | |
675 | unsigned int tx_handlers_drop_unencrypted; | |
676 | unsigned int tx_handlers_drop_fragment; | |
677 | unsigned int tx_handlers_drop_wep; | |
678 | unsigned int tx_handlers_drop_not_assoc; | |
679 | unsigned int tx_handlers_drop_unauth_port; | |
680 | unsigned int rx_handlers_drop; | |
681 | unsigned int rx_handlers_queued; | |
682 | unsigned int rx_handlers_drop_nullfunc; | |
683 | unsigned int rx_handlers_drop_defrag; | |
684 | unsigned int rx_handlers_drop_short; | |
685 | unsigned int rx_handlers_drop_passive_scan; | |
686 | unsigned int tx_expand_skb_head; | |
687 | unsigned int tx_expand_skb_head_cloned; | |
688 | unsigned int rx_expand_skb_head; | |
689 | unsigned int rx_expand_skb_head2; | |
690 | unsigned int rx_handlers_fragments; | |
691 | unsigned int tx_status_drop; | |
f0706e82 JB |
692 | #define I802_DEBUG_INC(c) (c)++ |
693 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
694 | #define I802_DEBUG_INC(c) do { } while (0) | |
695 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
696 | ||
697 | ||
f0706e82 JB |
698 | int total_ps_buffered; /* total number of all buffered unicast and |
699 | * multicast packets for power saving stations | |
700 | */ | |
f0706e82 JB |
701 | int wifi_wme_noack_test; |
702 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
703 | ||
e9f207f0 JB |
704 | #ifdef CONFIG_MAC80211_DEBUGFS |
705 | struct local_debugfsdentries { | |
e9f207f0 | 706 | struct dentry *frequency; |
e9f207f0 JB |
707 | struct dentry *antenna_sel_tx; |
708 | struct dentry *antenna_sel_rx; | |
709 | struct dentry *bridge_packets; | |
e9f207f0 JB |
710 | struct dentry *rts_threshold; |
711 | struct dentry *fragmentation_threshold; | |
712 | struct dentry *short_retry_limit; | |
713 | struct dentry *long_retry_limit; | |
714 | struct dentry *total_ps_buffered; | |
e9f207f0 | 715 | struct dentry *wep_iv; |
e9f207f0 JB |
716 | struct dentry *statistics; |
717 | struct local_debugfsdentries_statsdentries { | |
718 | struct dentry *transmitted_fragment_count; | |
719 | struct dentry *multicast_transmitted_frame_count; | |
720 | struct dentry *failed_count; | |
721 | struct dentry *retry_count; | |
722 | struct dentry *multiple_retry_count; | |
723 | struct dentry *frame_duplicate_count; | |
724 | struct dentry *received_fragment_count; | |
725 | struct dentry *multicast_received_frame_count; | |
726 | struct dentry *transmitted_frame_count; | |
727 | struct dentry *wep_undecryptable_count; | |
728 | struct dentry *num_scans; | |
729 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS | |
730 | struct dentry *tx_handlers_drop; | |
731 | struct dentry *tx_handlers_queued; | |
732 | struct dentry *tx_handlers_drop_unencrypted; | |
733 | struct dentry *tx_handlers_drop_fragment; | |
734 | struct dentry *tx_handlers_drop_wep; | |
735 | struct dentry *tx_handlers_drop_not_assoc; | |
736 | struct dentry *tx_handlers_drop_unauth_port; | |
737 | struct dentry *rx_handlers_drop; | |
738 | struct dentry *rx_handlers_queued; | |
739 | struct dentry *rx_handlers_drop_nullfunc; | |
740 | struct dentry *rx_handlers_drop_defrag; | |
741 | struct dentry *rx_handlers_drop_short; | |
742 | struct dentry *rx_handlers_drop_passive_scan; | |
743 | struct dentry *tx_expand_skb_head; | |
744 | struct dentry *tx_expand_skb_head_cloned; | |
745 | struct dentry *rx_expand_skb_head; | |
746 | struct dentry *rx_expand_skb_head2; | |
747 | struct dentry *rx_handlers_fragments; | |
748 | struct dentry *tx_status_drop; | |
e9f207f0 JB |
749 | #endif |
750 | struct dentry *dot11ACKFailureCount; | |
751 | struct dentry *dot11RTSFailureCount; | |
752 | struct dentry *dot11FCSErrorCount; | |
753 | struct dentry *dot11RTSSuccessCount; | |
754 | } stats; | |
755 | struct dentry *stations; | |
756 | struct dentry *keys; | |
757 | } debugfs; | |
758 | #endif | |
f0706e82 JB |
759 | }; |
760 | ||
e2530083 JB |
761 | static inline int ieee80211_is_multiqueue(struct ieee80211_local *local) |
762 | { | |
763 | #ifdef CONFIG_MAC80211_QOS | |
764 | return netif_is_multiqueue(local->mdev); | |
765 | #else | |
766 | return 0; | |
767 | #endif | |
768 | } | |
769 | ||
eadc8d9e RR |
770 | /* this struct represents 802.11n's RA/TID combination */ |
771 | struct ieee80211_ra_tid { | |
772 | u8 ra[ETH_ALEN]; | |
773 | u16 tid; | |
774 | }; | |
775 | ||
ee385855 LCC |
776 | /* Parsed Information Elements */ |
777 | struct ieee802_11_elems { | |
778 | /* pointers to IEs */ | |
779 | u8 *ssid; | |
780 | u8 *supp_rates; | |
781 | u8 *fh_params; | |
782 | u8 *ds_params; | |
783 | u8 *cf_params; | |
784 | u8 *tim; | |
785 | u8 *ibss_params; | |
786 | u8 *challenge; | |
787 | u8 *wpa; | |
788 | u8 *rsn; | |
789 | u8 *erp_info; | |
790 | u8 *ext_supp_rates; | |
791 | u8 *wmm_info; | |
792 | u8 *wmm_param; | |
793 | u8 *ht_cap_elem; | |
794 | u8 *ht_info_elem; | |
795 | u8 *mesh_config; | |
796 | u8 *mesh_id; | |
797 | u8 *peer_link; | |
798 | u8 *preq; | |
799 | u8 *prep; | |
800 | u8 *perr; | |
801 | ||
802 | /* length of them, respectively */ | |
803 | u8 ssid_len; | |
804 | u8 supp_rates_len; | |
805 | u8 fh_params_len; | |
806 | u8 ds_params_len; | |
807 | u8 cf_params_len; | |
808 | u8 tim_len; | |
809 | u8 ibss_params_len; | |
810 | u8 challenge_len; | |
811 | u8 wpa_len; | |
812 | u8 rsn_len; | |
813 | u8 erp_info_len; | |
814 | u8 ext_supp_rates_len; | |
815 | u8 wmm_info_len; | |
816 | u8 wmm_param_len; | |
817 | u8 ht_cap_elem_len; | |
818 | u8 ht_info_elem_len; | |
819 | u8 mesh_config_len; | |
820 | u8 mesh_id_len; | |
821 | u8 peer_link_len; | |
822 | u8 preq_len; | |
823 | u8 prep_len; | |
824 | u8 perr_len; | |
825 | }; | |
826 | ||
f0706e82 JB |
827 | static inline struct ieee80211_local *hw_to_local( |
828 | struct ieee80211_hw *hw) | |
829 | { | |
830 | return container_of(hw, struct ieee80211_local, hw); | |
831 | } | |
832 | ||
833 | static inline struct ieee80211_hw *local_to_hw( | |
834 | struct ieee80211_local *local) | |
835 | { | |
836 | return &local->hw; | |
837 | } | |
838 | ||
f0706e82 JB |
839 | struct sta_attribute { |
840 | struct attribute attr; | |
841 | ssize_t (*show)(const struct sta_info *, char *buf); | |
842 | ssize_t (*store)(struct sta_info *, const char *buf, size_t count); | |
843 | }; | |
844 | ||
571ecf67 JB |
845 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
846 | { | |
847 | return compare_ether_addr(raddr, addr) == 0 || | |
848 | is_broadcast_ether_addr(raddr); | |
849 | } | |
850 | ||
851 | ||
f0706e82 JB |
852 | /* ieee80211.c */ |
853 | int ieee80211_hw_config(struct ieee80211_local *local); | |
854 | int ieee80211_if_config(struct net_device *dev); | |
855 | int ieee80211_if_config_beacon(struct net_device *dev); | |
5cf121c3 | 856 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
f0706e82 | 857 | void ieee80211_if_setup(struct net_device *dev); |
38668c05 TW |
858 | u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht, |
859 | struct ieee80211_ht_info *req_ht_cap, | |
860 | struct ieee80211_ht_bss_info *req_bss_cap); | |
f0706e82 JB |
861 | |
862 | /* ieee80211_ioctl.c */ | |
863 | extern const struct iw_handler_def ieee80211_iw_handler_def; | |
864 | ||
f0706e82 JB |
865 | |
866 | /* Least common multiple of the used rates (in 100 kbps). This is used to | |
867 | * calculate rate_inv values for each rate so that only integers are needed. */ | |
868 | #define CHAN_UTIL_RATE_LCM 95040 | |
869 | /* 1 usec is 1/8 * (95040/10) = 1188 */ | |
870 | #define CHAN_UTIL_PER_USEC 1188 | |
871 | /* Amount of bits to shift the result right to scale the total utilization | |
872 | * to values that will not wrap around 32-bit integers. */ | |
873 | #define CHAN_UTIL_SHIFT 9 | |
874 | /* Theoretical maximum of channel utilization counter in 10 ms (stat_time=1): | |
875 | * (CHAN_UTIL_PER_USEC * 10000) >> CHAN_UTIL_SHIFT = 23203. So dividing the | |
876 | * raw value with about 23 should give utilization in 10th of a percentage | |
877 | * (1/1000). However, utilization is only estimated and not all intervals | |
878 | * between frames etc. are calculated. 18 seems to give numbers that are closer | |
879 | * to the real maximum. */ | |
880 | #define CHAN_UTIL_PER_10MS 18 | |
881 | #define CHAN_UTIL_HDR_LONG (202 * CHAN_UTIL_PER_USEC) | |
882 | #define CHAN_UTIL_HDR_SHORT (40 * CHAN_UTIL_PER_USEC) | |
883 | ||
884 | ||
885 | /* ieee80211_ioctl.c */ | |
8318d78a | 886 | int ieee80211_set_freq(struct ieee80211_local *local, int freq); |
f0706e82 JB |
887 | /* ieee80211_sta.c */ |
888 | void ieee80211_sta_timer(unsigned long data); | |
889 | void ieee80211_sta_work(struct work_struct *work); | |
890 | void ieee80211_sta_scan_work(struct work_struct *work); | |
891 | void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb, | |
892 | struct ieee80211_rx_status *rx_status); | |
893 | int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len); | |
894 | int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len); | |
895 | int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid); | |
896 | int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len); | |
897 | void ieee80211_sta_req_auth(struct net_device *dev, | |
898 | struct ieee80211_if_sta *ifsta); | |
899 | int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len); | |
9ae54c84 JB |
900 | ieee80211_rx_result ieee80211_sta_rx_scan( |
901 | struct net_device *dev, struct sk_buff *skb, | |
902 | struct ieee80211_rx_status *rx_status); | |
f0706e82 JB |
903 | void ieee80211_rx_bss_list_init(struct net_device *dev); |
904 | void ieee80211_rx_bss_list_deinit(struct net_device *dev); | |
905 | int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len); | |
988c0f72 JB |
906 | struct sta_info *ieee80211_ibss_add_sta(struct net_device *dev, |
907 | struct sk_buff *skb, u8 *bssid, | |
908 | u8 *addr); | |
f0706e82 JB |
909 | int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason); |
910 | int ieee80211_sta_disassociate(struct net_device *dev, u16 reason); | |
471b3efd JB |
911 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
912 | u32 changed); | |
d9430a32 | 913 | void ieee80211_reset_erp_info(struct net_device *dev); |
c7153508 RR |
914 | int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie, |
915 | struct ieee80211_ht_info *ht_info); | |
916 | int ieee80211_ht_addt_info_ie_to_ht_bss_info( | |
917 | struct ieee80211_ht_addt_info *ht_add_info_ie, | |
918 | struct ieee80211_ht_bss_info *bss_info); | |
eadc8d9e RR |
919 | void ieee80211_send_addba_request(struct net_device *dev, const u8 *da, |
920 | u16 tid, u8 dialog_token, u16 start_seq_num, | |
921 | u16 agg_size, u16 timeout); | |
922 | void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid, | |
923 | u16 initiator, u16 reason_code); | |
85249e5f | 924 | |
07db2183 RR |
925 | void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da, |
926 | u16 tid, u16 initiator, u16 reason); | |
eadc8d9e | 927 | void sta_addba_resp_timer_expired(unsigned long data); |
85249e5f | 928 | void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr); |
ee385855 LCC |
929 | u64 ieee80211_sta_get_rates(struct ieee80211_local *local, |
930 | struct ieee802_11_elems *elems, | |
931 | enum ieee80211_band band); | |
ee385855 LCC |
932 | void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb, |
933 | int encrypt); | |
934 | void ieee802_11_parse_elems(u8 *start, size_t len, | |
935 | struct ieee802_11_elems *elems); | |
936 | ||
902acc78 JB |
937 | #ifdef CONFIG_MAC80211_MESH |
938 | void ieee80211_start_mesh(struct net_device *dev); | |
939 | #else | |
940 | static inline void ieee80211_start_mesh(struct net_device *dev) | |
941 | {} | |
942 | #endif | |
ee385855 | 943 | |
f0706e82 JB |
944 | /* ieee80211_iface.c */ |
945 | int ieee80211_if_add(struct net_device *dev, const char *name, | |
ee385855 LCC |
946 | struct net_device **new_dev, int type, |
947 | struct vif_params *params); | |
f0706e82 JB |
948 | void ieee80211_if_set_type(struct net_device *dev, int type); |
949 | void ieee80211_if_reinit(struct net_device *dev); | |
950 | void __ieee80211_if_del(struct ieee80211_local *local, | |
951 | struct ieee80211_sub_if_data *sdata); | |
952 | int ieee80211_if_remove(struct net_device *dev, const char *name, int id); | |
953 | void ieee80211_if_free(struct net_device *dev); | |
954 | void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata); | |
f0706e82 | 955 | |
e2ebc74d | 956 | /* tx handling */ |
e2ebc74d JB |
957 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
958 | void ieee80211_tx_pending(unsigned long data); | |
959 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
960 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
961 | int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
e2ebc74d | 962 | |
c2d1560a JB |
963 | /* utility functions/constants */ |
964 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
965 | extern const unsigned char rfc1042_header[6]; | |
966 | extern const unsigned char bridge_tunnel_header[6]; | |
71364716 RR |
967 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
968 | enum ieee80211_if_types type); | |
c2d1560a JB |
969 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
970 | int rate, int erp, int short_preamble); | |
eb063c17 JB |
971 | void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx, |
972 | struct ieee80211_hdr *hdr); | |
f0706e82 JB |
973 | |
974 | #endif /* IEEE80211_I_H */ |