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> |
2c8dccc7 | 28 | #include "key.h" |
f0706e82 JB |
29 | #include "sta_info.h" |
30 | ||
31 | /* ieee80211.o internal definitions, etc. These are not included into | |
32 | * low-level drivers. */ | |
33 | ||
34 | #ifndef ETH_P_PAE | |
35 | #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ | |
36 | #endif /* ETH_P_PAE */ | |
37 | ||
38 | #define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08) | |
39 | ||
9cfb0009 | 40 | #define IEEE80211_FC(type, subtype) cpu_to_le16(type | subtype) |
f0706e82 | 41 | |
9cfb0009 | 42 | struct ieee80211_local; |
f0706e82 JB |
43 | |
44 | /* Maximum number of broadcast/multicast frames to buffer when some of the | |
45 | * associated stations are using power saving. */ | |
46 | #define AP_MAX_BC_BUFFER 128 | |
47 | ||
48 | /* Maximum number of frames buffered to all STAs, including multicast frames. | |
49 | * Note: increasing this limit increases the potential memory requirement. Each | |
50 | * frame can be up to about 2 kB long. */ | |
51 | #define TOTAL_MAX_TX_BUFFER 512 | |
52 | ||
53 | /* Required encryption head and tailroom */ | |
54 | #define IEEE80211_ENCRYPT_HEADROOM 8 | |
55 | #define IEEE80211_ENCRYPT_TAILROOM 12 | |
56 | ||
57 | /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent | |
58 | * reception of at least three fragmented frames. This limit can be increased | |
59 | * by changing this define, at the cost of slower frame reassembly and | |
60 | * increased memory use (about 2 kB of RAM per entry). */ | |
61 | #define IEEE80211_FRAGMENT_MAX 4 | |
62 | ||
63 | struct ieee80211_fragment_entry { | |
64 | unsigned long first_frag_time; | |
65 | unsigned int seq; | |
66 | unsigned int rx_queue; | |
67 | unsigned int last_frag; | |
68 | unsigned int extra_len; | |
69 | struct sk_buff_head skb_list; | |
70 | int ccmp; /* Whether fragments were encrypted with CCMP */ | |
71 | u8 last_pn[6]; /* PN of the last fragment if CCMP was used */ | |
72 | }; | |
73 | ||
74 | ||
75 | struct ieee80211_sta_bss { | |
76 | struct list_head list; | |
77 | struct ieee80211_sta_bss *hnext; | |
056cdd59 JB |
78 | size_t ssid_len; |
79 | ||
f0706e82 JB |
80 | atomic_t users; |
81 | ||
82 | u8 bssid[ETH_ALEN]; | |
83 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
f0706e82 | 84 | u16 capability; /* host byte order */ |
8318d78a | 85 | enum ieee80211_band band; |
f0706e82 | 86 | int freq; |
566bfe5a | 87 | int signal, noise, qual; |
f0706e82 JB |
88 | u8 *wpa_ie; |
89 | size_t wpa_ie_len; | |
90 | u8 *rsn_ie; | |
91 | size_t rsn_ie_len; | |
92 | u8 *wmm_ie; | |
93 | size_t wmm_ie_len; | |
c7153508 RR |
94 | u8 *ht_ie; |
95 | size_t ht_ie_len; | |
9306102e EG |
96 | u8 *ht_add_ie; |
97 | size_t ht_add_ie_len; | |
ee385855 LCC |
98 | #ifdef CONFIG_MAC80211_MESH |
99 | u8 *mesh_id; | |
100 | size_t mesh_id_len; | |
24736701 | 101 | u8 *mesh_cfg; |
902acc78 | 102 | #endif |
f0706e82 JB |
103 | #define IEEE80211_MAX_SUPP_RATES 32 |
104 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
105 | size_t supp_rates_len; | |
f0706e82 | 106 | u64 timestamp; |
056cdd59 | 107 | int beacon_int; |
f0706e82 | 108 | |
30b89b0f | 109 | bool probe_resp; |
f0706e82 JB |
110 | unsigned long last_update; |
111 | ||
5628221c DD |
112 | /* during assocation, we save an ERP value from a probe response so |
113 | * that we can feed ERP info to the driver when handling the | |
114 | * association completes. these fields probably won't be up-to-date | |
115 | * otherwise, you probably don't want to use them. */ | |
116 | int has_erp_value; | |
117 | u8 erp_value; | |
f0706e82 JB |
118 | }; |
119 | ||
24736701 | 120 | static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss) |
902acc78 JB |
121 | { |
122 | #ifdef CONFIG_MAC80211_MESH | |
123 | return bss->mesh_cfg; | |
124 | #endif | |
125 | return NULL; | |
126 | } | |
127 | ||
128 | static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss) | |
129 | { | |
130 | #ifdef CONFIG_MAC80211_MESH | |
131 | return bss->mesh_id; | |
132 | #endif | |
133 | return NULL; | |
134 | } | |
135 | ||
136 | static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss) | |
137 | { | |
138 | #ifdef CONFIG_MAC80211_MESH | |
139 | return bss->mesh_id_len; | |
140 | #endif | |
141 | return 0; | |
142 | } | |
143 | ||
f0706e82 | 144 | |
9ae54c84 JB |
145 | typedef unsigned __bitwise__ ieee80211_tx_result; |
146 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
147 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
148 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
149 | ||
5cf121c3 JB |
150 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
151 | #define IEEE80211_TX_UNICAST BIT(1) | |
152 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
153 | #define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) | |
5cf121c3 JB |
154 | |
155 | struct ieee80211_tx_data { | |
156 | struct sk_buff *skb; | |
157 | struct net_device *dev; | |
158 | struct ieee80211_local *local; | |
159 | struct ieee80211_sub_if_data *sdata; | |
160 | struct sta_info *sta; | |
5cf121c3 | 161 | struct ieee80211_key *key; |
5cf121c3 | 162 | |
5cf121c3 | 163 | struct ieee80211_channel *channel; |
2e92e6f2 | 164 | s8 rate_idx; |
5cf121c3 JB |
165 | /* use this rate (if set) for last fragment; rate can |
166 | * be set to lower rate for the first fragments, e.g., | |
167 | * when using CTS protection with IEEE 802.11g. */ | |
2e92e6f2 | 168 | s8 last_frag_rate_idx; |
5cf121c3 JB |
169 | |
170 | /* Extra fragments (in addition to the first fragment | |
171 | * in skb) */ | |
5cf121c3 | 172 | struct sk_buff **extra_frag; |
056cdd59 JB |
173 | int num_extra_frag; |
174 | ||
175 | u16 fc, ethertype; | |
176 | unsigned int flags; | |
5cf121c3 JB |
177 | }; |
178 | ||
179 | ||
9ae54c84 | 180 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
181 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
182 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
183 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
184 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 185 | |
5cf121c3 | 186 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 187 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
188 | #define IEEE80211_RX_RA_MATCH BIT(1) |
189 | #define IEEE80211_RX_AMSDU BIT(2) | |
190 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) | |
191 | #define IEEE80211_RX_FRAGMENTED BIT(4) | |
192 | ||
193 | struct ieee80211_rx_data { | |
f0706e82 JB |
194 | struct sk_buff *skb; |
195 | struct net_device *dev; | |
196 | struct ieee80211_local *local; | |
197 | struct ieee80211_sub_if_data *sdata; | |
198 | struct sta_info *sta; | |
f0706e82 | 199 | struct ieee80211_key *key; |
5cf121c3 JB |
200 | struct ieee80211_rx_status *status; |
201 | struct ieee80211_rate *rate; | |
056cdd59 JB |
202 | |
203 | u16 fc, ethertype; | |
204 | unsigned int flags; | |
5cf121c3 JB |
205 | int sent_ps_buffered; |
206 | int queue; | |
5cf121c3 JB |
207 | u32 tkip_iv32; |
208 | u16 tkip_iv16; | |
f0706e82 JB |
209 | }; |
210 | ||
f0706e82 | 211 | struct ieee80211_tx_stored_packet { |
f0706e82 | 212 | struct sk_buff *skb; |
f0706e82 | 213 | struct sk_buff **extra_frag; |
2e92e6f2 | 214 | s8 last_frag_rate_idx; |
056cdd59 | 215 | int num_extra_frag; |
2e92e6f2 | 216 | bool last_frag_rate_ctrl_probe; |
f0706e82 JB |
217 | }; |
218 | ||
5dfdaf58 JB |
219 | struct beacon_data { |
220 | u8 *head, *tail; | |
221 | int head_len, tail_len; | |
222 | int dtim_period; | |
223 | }; | |
224 | ||
f0706e82 | 225 | struct ieee80211_if_ap { |
5dfdaf58 | 226 | struct beacon_data *beacon; |
f0706e82 | 227 | |
0ec3ca44 JB |
228 | struct list_head vlans; |
229 | ||
f0706e82 JB |
230 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
231 | size_t ssid_len; | |
f0706e82 JB |
232 | |
233 | /* yes, this looks ugly, but guarantees that we can later use | |
234 | * bitmap_empty :) | |
004c872e | 235 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 236 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 237 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 238 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 239 | int dtim_count; |
f0706e82 JB |
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 | 249 | struct list_head list; |
f0706e82 JB |
250 | }; |
251 | ||
ee385855 LCC |
252 | struct mesh_stats { |
253 | __u32 fwded_frames; /* Mesh forwarded frames */ | |
254 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ | |
255 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
256 | atomic_t estab_plinks; | |
257 | }; | |
258 | ||
259 | #define PREQ_Q_F_START 0x1 | |
260 | #define PREQ_Q_F_REFRESH 0x2 | |
261 | struct mesh_preq_queue { | |
262 | struct list_head list; | |
263 | u8 dst[ETH_ALEN]; | |
264 | u8 flags; | |
265 | }; | |
266 | ||
ee385855 LCC |
267 | struct mesh_config { |
268 | /* Timeouts in ms */ | |
269 | /* Mesh plink management parameters */ | |
270 | u16 dot11MeshRetryTimeout; | |
271 | u16 dot11MeshConfirmTimeout; | |
272 | u16 dot11MeshHoldingTimeout; | |
273 | u16 dot11MeshMaxPeerLinks; | |
274 | u8 dot11MeshMaxRetries; | |
275 | u8 dot11MeshTTL; | |
276 | bool auto_open_plinks; | |
277 | /* HWMP parameters */ | |
ee385855 LCC |
278 | u8 dot11MeshHWMPmaxPREQretries; |
279 | u32 path_refresh_time; | |
280 | u16 min_discovery_timeout; | |
056cdd59 JB |
281 | u32 dot11MeshHWMPactivePathTimeout; |
282 | u16 dot11MeshHWMPpreqMinInterval; | |
283 | u16 dot11MeshHWMPnetDiameterTraversalTime; | |
ee385855 | 284 | }; |
902acc78 | 285 | |
ee385855 | 286 | |
d6f2da5b JS |
287 | /* flags used in struct ieee80211_if_sta.flags */ |
288 | #define IEEE80211_STA_SSID_SET BIT(0) | |
289 | #define IEEE80211_STA_BSSID_SET BIT(1) | |
290 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) | |
291 | #define IEEE80211_STA_AUTHENTICATED BIT(3) | |
292 | #define IEEE80211_STA_ASSOCIATED BIT(4) | |
293 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) | |
294 | #define IEEE80211_STA_CREATE_IBSS BIT(6) | |
295 | #define IEEE80211_STA_MIXED_CELL BIT(7) | |
296 | #define IEEE80211_STA_WMM_ENABLED BIT(8) | |
297 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) | |
298 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) | |
299 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) | |
5b98b1f7 | 300 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
f0706e82 | 301 | struct ieee80211_if_sta { |
056cdd59 JB |
302 | struct timer_list timer; |
303 | struct work_struct work; | |
304 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; | |
305 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
f0706e82 JB |
306 | enum { |
307 | IEEE80211_DISABLED, IEEE80211_AUTHENTICATE, | |
308 | IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED, | |
ee385855 LCC |
309 | IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED, |
310 | IEEE80211_MESH_UP | |
f0706e82 | 311 | } state; |
f0706e82 | 312 | size_t ssid_len; |
a0af5f14 HS |
313 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
314 | size_t scan_ssid_len; | |
ee385855 LCC |
315 | #ifdef CONFIG_MAC80211_MESH |
316 | struct timer_list mesh_path_timer; | |
317 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
ee385855 LCC |
318 | size_t mesh_id_len; |
319 | /* Active Path Selection Protocol Identifier */ | |
320 | u8 mesh_pp_id[4]; | |
321 | /* Active Path Selection Metric Identifier */ | |
322 | u8 mesh_pm_id[4]; | |
323 | /* Congestion Control Mode Identifier */ | |
324 | u8 mesh_cc_id[4]; | |
325 | /* Local mesh Destination Sequence Number */ | |
326 | u32 dsn; | |
327 | /* Last used PREQ ID */ | |
328 | u32 preq_id; | |
329 | atomic_t mpaths; | |
330 | /* Timestamp of last DSN update */ | |
331 | unsigned long last_dsn_update; | |
332 | /* Timestamp of last DSN sent */ | |
333 | unsigned long last_preq; | |
334 | struct mesh_rmc *rmc; | |
335 | spinlock_t mesh_preq_queue_lock; | |
336 | struct mesh_preq_queue preq_queue; | |
337 | int preq_queue_len; | |
338 | struct mesh_stats mshstats; | |
339 | struct mesh_config mshcfg; | |
51ceddad | 340 | u32 mesh_seqnum; |
056cdd59 | 341 | bool accepting_plinks; |
ee385855 | 342 | #endif |
f0706e82 JB |
343 | u16 aid; |
344 | u16 ap_capab, capab; | |
345 | u8 *extra_ie; /* to be added to the end of AssocReq */ | |
346 | size_t extra_ie_len; | |
347 | ||
348 | /* The last AssocReq/Resp IEs */ | |
349 | u8 *assocreq_ies, *assocresp_ies; | |
350 | size_t assocreq_ies_len, assocresp_ies_len; | |
351 | ||
056cdd59 JB |
352 | struct sk_buff_head skb_queue; |
353 | ||
f0706e82 JB |
354 | int auth_tries, assoc_tries; |
355 | ||
056cdd59 JB |
356 | unsigned long request; |
357 | ||
358 | unsigned long last_probe; | |
359 | ||
d6f2da5b | 360 | unsigned int flags; |
f0706e82 JB |
361 | #define IEEE80211_STA_REQ_SCAN 0 |
362 | #define IEEE80211_STA_REQ_AUTH 1 | |
363 | #define IEEE80211_STA_REQ_RUN 2 | |
f0706e82 JB |
364 | |
365 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) | |
366 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) | |
367 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) | |
368 | unsigned int auth_algs; /* bitfield of allowed auth algs */ | |
369 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ | |
370 | int auth_transaction; | |
371 | ||
372 | unsigned long ibss_join_req; | |
373 | struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ | |
8318d78a | 374 | u32 supp_rates_bits[IEEE80211_NUM_BANDS]; |
f0706e82 JB |
375 | |
376 | int wmm_last_param_set; | |
ee385855 | 377 | int num_beacons; /* number of TXed beacon frames by this STA */ |
f0706e82 JB |
378 | }; |
379 | ||
902acc78 JB |
380 | static inline void ieee80211_if_sta_set_mesh_id(struct ieee80211_if_sta *ifsta, |
381 | u8 mesh_id_len, u8 *mesh_id) | |
382 | { | |
383 | #ifdef CONFIG_MAC80211_MESH | |
384 | ifsta->mesh_id_len = mesh_id_len; | |
385 | memcpy(ifsta->mesh_id, mesh_id, mesh_id_len); | |
386 | #endif | |
387 | } | |
388 | ||
389 | #ifdef CONFIG_MAC80211_MESH | |
390 | #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ | |
391 | do { (sta)->mshstats.name++; } while (0) | |
392 | #else | |
393 | #define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ | |
394 | do { } while (0) | |
395 | #endif | |
f0706e82 | 396 | |
13262ffd JS |
397 | /* flags used in struct ieee80211_sub_if_data.flags */ |
398 | #define IEEE80211_SDATA_ALLMULTI BIT(0) | |
399 | #define IEEE80211_SDATA_PROMISC BIT(1) | |
471b3efd | 400 | #define IEEE80211_SDATA_USERSPACE_MLME BIT(2) |
8318d78a | 401 | #define IEEE80211_SDATA_OPERATING_GMODE BIT(3) |
f0706e82 JB |
402 | struct ieee80211_sub_if_data { |
403 | struct list_head list; | |
f0706e82 JB |
404 | |
405 | struct wireless_dev wdev; | |
406 | ||
11a843b7 JB |
407 | /* keys */ |
408 | struct list_head key_list; | |
409 | ||
f0706e82 JB |
410 | struct net_device *dev; |
411 | struct ieee80211_local *local; | |
412 | ||
13262ffd | 413 | unsigned int flags; |
7e9ed188 | 414 | |
f0706e82 | 415 | int drop_unencrypted; |
f0706e82 | 416 | |
8318d78a JB |
417 | /* |
418 | * basic rates of this AP or the AP we're associated to | |
419 | */ | |
420 | u64 basic_rates; | |
421 | ||
f0706e82 JB |
422 | u16 sequence; |
423 | ||
424 | /* Fragment table for host-based reassembly */ | |
425 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
426 | unsigned int fragment_next; | |
427 | ||
428 | #define NUM_DEFAULT_KEYS 4 | |
429 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; | |
430 | struct ieee80211_key *default_key; | |
431 | ||
3e122be0 JB |
432 | /* BSS configuration for this interface. */ |
433 | struct ieee80211_bss_conf bss_conf; | |
434 | ||
471b3efd | 435 | /* |
3e122be0 JB |
436 | * AP this belongs to: self in AP mode and |
437 | * corresponding AP in VLAN mode, NULL for | |
438 | * all others (might be needed later in IBSS) | |
471b3efd | 439 | */ |
3e122be0 JB |
440 | struct ieee80211_if_ap *bss; |
441 | ||
442 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ | |
443 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ | |
f0706e82 JB |
444 | |
445 | union { | |
446 | struct ieee80211_if_ap ap; | |
447 | struct ieee80211_if_wds wds; | |
448 | struct ieee80211_if_vlan vlan; | |
449 | struct ieee80211_if_sta sta; | |
8cc9a739 | 450 | u32 mntr_flags; |
f0706e82 | 451 | } u; |
e9f207f0 JB |
452 | |
453 | #ifdef CONFIG_MAC80211_DEBUGFS | |
454 | struct dentry *debugfsdir; | |
455 | union { | |
456 | struct { | |
e9f207f0 | 457 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
458 | struct dentry *state; |
459 | struct dentry *bssid; | |
460 | struct dentry *prev_bssid; | |
461 | struct dentry *ssid_len; | |
462 | struct dentry *aid; | |
463 | struct dentry *ap_capab; | |
464 | struct dentry *capab; | |
465 | struct dentry *extra_ie_len; | |
466 | struct dentry *auth_tries; | |
467 | struct dentry *assoc_tries; | |
468 | struct dentry *auth_algs; | |
469 | struct dentry *auth_alg; | |
470 | struct dentry *auth_transaction; | |
471 | struct dentry *flags; | |
ee385855 | 472 | struct dentry *num_beacons_sta; |
e9f207f0 JB |
473 | } sta; |
474 | struct { | |
e9f207f0 | 475 | struct dentry *drop_unencrypted; |
e9f207f0 | 476 | struct dentry *num_sta_ps; |
e9f207f0 JB |
477 | struct dentry *dtim_count; |
478 | struct dentry *num_beacons; | |
479 | struct dentry *force_unicast_rateidx; | |
480 | struct dentry *max_ratectrl_rateidx; | |
481 | struct dentry *num_buffered_multicast; | |
e9f207f0 JB |
482 | } ap; |
483 | struct { | |
e9f207f0 | 484 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
485 | struct dentry *peer; |
486 | } wds; | |
487 | struct { | |
e9f207f0 | 488 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
489 | } vlan; |
490 | struct { | |
491 | struct dentry *mode; | |
492 | } monitor; | |
493 | struct dentry *default_key; | |
494 | } debugfs; | |
ee385855 LCC |
495 | |
496 | #ifdef CONFIG_MAC80211_MESH | |
497 | struct dentry *mesh_stats_dir; | |
498 | struct { | |
499 | struct dentry *fwded_frames; | |
500 | struct dentry *dropped_frames_ttl; | |
501 | struct dentry *dropped_frames_no_route; | |
502 | struct dentry *estab_plinks; | |
902acc78 | 503 | struct timer_list mesh_path_timer; |
ee385855 LCC |
504 | } mesh_stats; |
505 | ||
506 | struct dentry *mesh_config_dir; | |
507 | struct { | |
508 | struct dentry *dot11MeshRetryTimeout; | |
509 | struct dentry *dot11MeshConfirmTimeout; | |
510 | struct dentry *dot11MeshHoldingTimeout; | |
511 | struct dentry *dot11MeshMaxRetries; | |
512 | struct dentry *dot11MeshTTL; | |
513 | struct dentry *auto_open_plinks; | |
514 | struct dentry *dot11MeshMaxPeerLinks; | |
515 | struct dentry *dot11MeshHWMPactivePathTimeout; | |
516 | struct dentry *dot11MeshHWMPpreqMinInterval; | |
517 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; | |
518 | struct dentry *dot11MeshHWMPmaxPREQretries; | |
519 | struct dentry *path_refresh_time; | |
520 | struct dentry *min_discovery_timeout; | |
521 | } mesh_config; | |
522 | #endif | |
523 | ||
e9f207f0 | 524 | #endif |
32bfd35d JB |
525 | /* must be last, dynamically sized area in this! */ |
526 | struct ieee80211_vif vif; | |
f0706e82 JB |
527 | }; |
528 | ||
32bfd35d JB |
529 | static inline |
530 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
531 | { | |
532 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
533 | } | |
534 | ||
f0706e82 JB |
535 | enum { |
536 | IEEE80211_RX_MSG = 1, | |
537 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
538 | IEEE80211_DELBA_MSG = 3, |
539 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
540 | }; |
541 | ||
542 | struct ieee80211_local { | |
543 | /* embed the driver visible part. | |
544 | * don't cast (use the static inlines below), but we keep | |
545 | * it first anyway so they become a no-op */ | |
546 | struct ieee80211_hw hw; | |
547 | ||
548 | const struct ieee80211_ops *ops; | |
549 | ||
f0706e82 | 550 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
f0706e82 | 551 | int open_count; |
3d30d949 | 552 | int monitors, cooked_mntrs; |
8cc9a739 MW |
553 | /* number of interfaces with corresponding FIF_ flags */ |
554 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; | |
4150c572 | 555 | unsigned int filter_flags; /* FIF_* */ |
f0706e82 JB |
556 | struct iw_statistics wstats; |
557 | u8 wstats_flags; | |
d0709a65 | 558 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
b306f453 | 559 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 560 | |
f0706e82 JB |
561 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
562 | * added to skb_queue will be processed, but frames in | |
563 | * skb_queue_unreliable may be dropped if the total length of these | |
564 | * queues increases over the limit. */ | |
565 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
566 | struct tasklet_struct tasklet; | |
567 | struct sk_buff_head skb_queue; | |
568 | struct sk_buff_head skb_queue_unreliable; | |
569 | ||
d0709a65 JB |
570 | /* Station data */ |
571 | /* | |
572 | * The lock only protects the list, hash, timer and counter | |
573 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 574 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
575 | */ |
576 | spinlock_t sta_lock; | |
577 | unsigned long num_sta; | |
f0706e82 | 578 | struct list_head sta_list; |
dc6676b7 JB |
579 | struct list_head sta_flush_list; |
580 | struct work_struct sta_flush_work; | |
f0706e82 JB |
581 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
582 | struct timer_list sta_cleanup; | |
583 | ||
e2530083 | 584 | unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
eefce91a | 585 | struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
586 | struct tasklet_struct tx_pending_tasklet; |
587 | ||
53918994 JB |
588 | /* number of interfaces with corresponding IFF_ flags */ |
589 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
590 | |
591 | struct rate_control_ref *rate_ctrl; | |
592 | ||
f0706e82 | 593 | int rts_threshold; |
f0706e82 JB |
594 | int fragmentation_threshold; |
595 | int short_retry_limit; /* dot11ShortRetryLimit */ | |
596 | int long_retry_limit; /* dot11LongRetryLimit */ | |
f0706e82 JB |
597 | |
598 | struct crypto_blkcipher *wep_tx_tfm; | |
599 | struct crypto_blkcipher *wep_rx_tfm; | |
600 | u32 wep_iv; | |
f0706e82 JB |
601 | |
602 | int bridge_packets; /* bridge packets between associated stations and | |
603 | * deliver multicast frames both back to wireless | |
604 | * media and to the local net stack */ | |
605 | ||
79010420 JB |
606 | struct list_head interfaces; |
607 | ||
b16bd15c JB |
608 | /* |
609 | * Key lock, protects sdata's key_list and sta_info's | |
610 | * key pointers (write access, they're RCU.) | |
611 | */ | |
612 | spinlock_t key_lock; | |
613 | ||
614 | ||
ece8eddd ZY |
615 | bool sta_sw_scanning; |
616 | bool sta_hw_scanning; | |
f0706e82 | 617 | int scan_channel_idx; |
8318d78a JB |
618 | enum ieee80211_band scan_band; |
619 | ||
f0706e82 JB |
620 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
621 | unsigned long last_scan_completed; | |
622 | struct delayed_work scan_work; | |
623 | struct net_device *scan_dev; | |
624 | struct ieee80211_channel *oper_channel, *scan_channel; | |
f0706e82 JB |
625 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
626 | size_t scan_ssid_len; | |
627 | struct list_head sta_bss_list; | |
628 | struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE]; | |
629 | spinlock_t sta_bss_lock; | |
f0706e82 JB |
630 | |
631 | /* SNMP counters */ | |
632 | /* dot11CountersTable */ | |
633 | u32 dot11TransmittedFragmentCount; | |
634 | u32 dot11MulticastTransmittedFrameCount; | |
635 | u32 dot11FailedCount; | |
636 | u32 dot11RetryCount; | |
637 | u32 dot11MultipleRetryCount; | |
638 | u32 dot11FrameDuplicateCount; | |
639 | u32 dot11ReceivedFragmentCount; | |
640 | u32 dot11MulticastReceivedFrameCount; | |
641 | u32 dot11TransmittedFrameCount; | |
642 | u32 dot11WEPUndecryptableCount; | |
643 | ||
644 | #ifdef CONFIG_MAC80211_LEDS | |
645 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
646 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
647 | char tx_led_name[32], rx_led_name[32], | |
648 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
649 | #endif |
650 | ||
e9f207f0 JB |
651 | #ifdef CONFIG_MAC80211_DEBUGFS |
652 | struct work_struct sta_debugfs_add; | |
653 | #endif | |
654 | ||
f0706e82 JB |
655 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
656 | /* TX/RX handler statistics */ | |
657 | unsigned int tx_handlers_drop; | |
658 | unsigned int tx_handlers_queued; | |
659 | unsigned int tx_handlers_drop_unencrypted; | |
660 | unsigned int tx_handlers_drop_fragment; | |
661 | unsigned int tx_handlers_drop_wep; | |
662 | unsigned int tx_handlers_drop_not_assoc; | |
663 | unsigned int tx_handlers_drop_unauth_port; | |
664 | unsigned int rx_handlers_drop; | |
665 | unsigned int rx_handlers_queued; | |
666 | unsigned int rx_handlers_drop_nullfunc; | |
667 | unsigned int rx_handlers_drop_defrag; | |
668 | unsigned int rx_handlers_drop_short; | |
669 | unsigned int rx_handlers_drop_passive_scan; | |
670 | unsigned int tx_expand_skb_head; | |
671 | unsigned int tx_expand_skb_head_cloned; | |
672 | unsigned int rx_expand_skb_head; | |
673 | unsigned int rx_expand_skb_head2; | |
674 | unsigned int rx_handlers_fragments; | |
675 | unsigned int tx_status_drop; | |
f0706e82 JB |
676 | #define I802_DEBUG_INC(c) (c)++ |
677 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
678 | #define I802_DEBUG_INC(c) do { } while (0) | |
679 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
680 | ||
681 | ||
f0706e82 JB |
682 | int total_ps_buffered; /* total number of all buffered unicast and |
683 | * multicast packets for power saving stations | |
684 | */ | |
f0706e82 JB |
685 | int wifi_wme_noack_test; |
686 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
687 | ||
e9f207f0 JB |
688 | #ifdef CONFIG_MAC80211_DEBUGFS |
689 | struct local_debugfsdentries { | |
e9f207f0 | 690 | struct dentry *frequency; |
e9f207f0 JB |
691 | struct dentry *antenna_sel_tx; |
692 | struct dentry *antenna_sel_rx; | |
693 | struct dentry *bridge_packets; | |
e9f207f0 JB |
694 | struct dentry *rts_threshold; |
695 | struct dentry *fragmentation_threshold; | |
696 | struct dentry *short_retry_limit; | |
697 | struct dentry *long_retry_limit; | |
698 | struct dentry *total_ps_buffered; | |
e9f207f0 | 699 | struct dentry *wep_iv; |
e9f207f0 JB |
700 | struct dentry *statistics; |
701 | struct local_debugfsdentries_statsdentries { | |
702 | struct dentry *transmitted_fragment_count; | |
703 | struct dentry *multicast_transmitted_frame_count; | |
704 | struct dentry *failed_count; | |
705 | struct dentry *retry_count; | |
706 | struct dentry *multiple_retry_count; | |
707 | struct dentry *frame_duplicate_count; | |
708 | struct dentry *received_fragment_count; | |
709 | struct dentry *multicast_received_frame_count; | |
710 | struct dentry *transmitted_frame_count; | |
711 | struct dentry *wep_undecryptable_count; | |
712 | struct dentry *num_scans; | |
713 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS | |
714 | struct dentry *tx_handlers_drop; | |
715 | struct dentry *tx_handlers_queued; | |
716 | struct dentry *tx_handlers_drop_unencrypted; | |
717 | struct dentry *tx_handlers_drop_fragment; | |
718 | struct dentry *tx_handlers_drop_wep; | |
719 | struct dentry *tx_handlers_drop_not_assoc; | |
720 | struct dentry *tx_handlers_drop_unauth_port; | |
721 | struct dentry *rx_handlers_drop; | |
722 | struct dentry *rx_handlers_queued; | |
723 | struct dentry *rx_handlers_drop_nullfunc; | |
724 | struct dentry *rx_handlers_drop_defrag; | |
725 | struct dentry *rx_handlers_drop_short; | |
726 | struct dentry *rx_handlers_drop_passive_scan; | |
727 | struct dentry *tx_expand_skb_head; | |
728 | struct dentry *tx_expand_skb_head_cloned; | |
729 | struct dentry *rx_expand_skb_head; | |
730 | struct dentry *rx_expand_skb_head2; | |
731 | struct dentry *rx_handlers_fragments; | |
732 | struct dentry *tx_status_drop; | |
e9f207f0 JB |
733 | #endif |
734 | struct dentry *dot11ACKFailureCount; | |
735 | struct dentry *dot11RTSFailureCount; | |
736 | struct dentry *dot11FCSErrorCount; | |
737 | struct dentry *dot11RTSSuccessCount; | |
738 | } stats; | |
739 | struct dentry *stations; | |
740 | struct dentry *keys; | |
741 | } debugfs; | |
742 | #endif | |
f0706e82 JB |
743 | }; |
744 | ||
e2530083 JB |
745 | static inline int ieee80211_is_multiqueue(struct ieee80211_local *local) |
746 | { | |
747 | #ifdef CONFIG_MAC80211_QOS | |
748 | return netif_is_multiqueue(local->mdev); | |
749 | #else | |
750 | return 0; | |
751 | #endif | |
752 | } | |
753 | ||
3e122be0 JB |
754 | static inline struct ieee80211_sub_if_data * |
755 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
756 | { | |
757 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
758 | ||
759 | BUG_ON(!local || local->mdev == dev); | |
760 | ||
761 | return netdev_priv(dev); | |
762 | } | |
763 | ||
eadc8d9e RR |
764 | /* this struct represents 802.11n's RA/TID combination */ |
765 | struct ieee80211_ra_tid { | |
766 | u8 ra[ETH_ALEN]; | |
767 | u16 tid; | |
768 | }; | |
769 | ||
ee385855 LCC |
770 | /* Parsed Information Elements */ |
771 | struct ieee802_11_elems { | |
772 | /* pointers to IEs */ | |
773 | u8 *ssid; | |
774 | u8 *supp_rates; | |
775 | u8 *fh_params; | |
776 | u8 *ds_params; | |
777 | u8 *cf_params; | |
778 | u8 *tim; | |
779 | u8 *ibss_params; | |
780 | u8 *challenge; | |
781 | u8 *wpa; | |
782 | u8 *rsn; | |
783 | u8 *erp_info; | |
784 | u8 *ext_supp_rates; | |
785 | u8 *wmm_info; | |
786 | u8 *wmm_param; | |
787 | u8 *ht_cap_elem; | |
788 | u8 *ht_info_elem; | |
789 | u8 *mesh_config; | |
790 | u8 *mesh_id; | |
791 | u8 *peer_link; | |
792 | u8 *preq; | |
793 | u8 *prep; | |
794 | u8 *perr; | |
f2df3859 AK |
795 | u8 *ch_switch_elem; |
796 | u8 *country_elem; | |
797 | u8 *pwr_constr_elem; | |
798 | u8 *quiet_elem; /* first quite element */ | |
ee385855 LCC |
799 | |
800 | /* length of them, respectively */ | |
801 | u8 ssid_len; | |
802 | u8 supp_rates_len; | |
803 | u8 fh_params_len; | |
804 | u8 ds_params_len; | |
805 | u8 cf_params_len; | |
806 | u8 tim_len; | |
807 | u8 ibss_params_len; | |
808 | u8 challenge_len; | |
809 | u8 wpa_len; | |
810 | u8 rsn_len; | |
811 | u8 erp_info_len; | |
812 | u8 ext_supp_rates_len; | |
813 | u8 wmm_info_len; | |
814 | u8 wmm_param_len; | |
815 | u8 ht_cap_elem_len; | |
816 | u8 ht_info_elem_len; | |
817 | u8 mesh_config_len; | |
818 | u8 mesh_id_len; | |
819 | u8 peer_link_len; | |
820 | u8 preq_len; | |
821 | u8 prep_len; | |
822 | u8 perr_len; | |
f2df3859 AK |
823 | u8 ch_switch_elem_len; |
824 | u8 country_elem_len; | |
825 | u8 pwr_constr_elem_len; | |
826 | u8 quiet_elem_len; | |
827 | u8 num_of_quiet_elem; /* can be more the one */ | |
ee385855 LCC |
828 | }; |
829 | ||
f0706e82 JB |
830 | static inline struct ieee80211_local *hw_to_local( |
831 | struct ieee80211_hw *hw) | |
832 | { | |
833 | return container_of(hw, struct ieee80211_local, hw); | |
834 | } | |
835 | ||
836 | static inline struct ieee80211_hw *local_to_hw( | |
837 | struct ieee80211_local *local) | |
838 | { | |
839 | return &local->hw; | |
840 | } | |
841 | ||
f0706e82 JB |
842 | struct sta_attribute { |
843 | struct attribute attr; | |
844 | ssize_t (*show)(const struct sta_info *, char *buf); | |
845 | ssize_t (*store)(struct sta_info *, const char *buf, size_t count); | |
846 | }; | |
847 | ||
571ecf67 JB |
848 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
849 | { | |
850 | return compare_ether_addr(raddr, addr) == 0 || | |
851 | is_broadcast_ether_addr(raddr); | |
852 | } | |
853 | ||
854 | ||
f0706e82 JB |
855 | /* ieee80211.c */ |
856 | int ieee80211_hw_config(struct ieee80211_local *local); | |
857 | int ieee80211_if_config(struct net_device *dev); | |
858 | int ieee80211_if_config_beacon(struct net_device *dev); | |
5cf121c3 | 859 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
38668c05 TW |
860 | u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht, |
861 | struct ieee80211_ht_info *req_ht_cap, | |
862 | struct ieee80211_ht_bss_info *req_bss_cap); | |
f0706e82 JB |
863 | |
864 | /* ieee80211_ioctl.c */ | |
865 | extern const struct iw_handler_def ieee80211_iw_handler_def; | |
be038b37 | 866 | int ieee80211_set_freq(struct net_device *dev, int freq); |
65b53e4c | 867 | |
f0706e82 JB |
868 | /* ieee80211_sta.c */ |
869 | void ieee80211_sta_timer(unsigned long data); | |
870 | void ieee80211_sta_work(struct work_struct *work); | |
871 | void ieee80211_sta_scan_work(struct work_struct *work); | |
872 | void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb, | |
873 | struct ieee80211_rx_status *rx_status); | |
874 | int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len); | |
875 | int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len); | |
876 | int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid); | |
877 | int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len); | |
878 | void ieee80211_sta_req_auth(struct net_device *dev, | |
879 | struct ieee80211_if_sta *ifsta); | |
ccc58057 DM |
880 | int ieee80211_sta_scan_results(struct net_device *dev, |
881 | struct iw_request_info *info, | |
882 | char *buf, size_t len); | |
9ae54c84 JB |
883 | ieee80211_rx_result ieee80211_sta_rx_scan( |
884 | struct net_device *dev, struct sk_buff *skb, | |
885 | struct ieee80211_rx_status *rx_status); | |
3e122be0 JB |
886 | void ieee80211_rx_bss_list_init(struct ieee80211_local *local); |
887 | void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local); | |
f0706e82 | 888 | int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len); |
988c0f72 JB |
889 | struct sta_info *ieee80211_ibss_add_sta(struct net_device *dev, |
890 | struct sk_buff *skb, u8 *bssid, | |
87291c02 | 891 | u8 *addr, u64 supp_rates); |
f0706e82 JB |
892 | int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason); |
893 | int ieee80211_sta_disassociate(struct net_device *dev, u16 reason); | |
471b3efd JB |
894 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
895 | u32 changed); | |
fc32f924 | 896 | u32 ieee80211_reset_erp_info(struct net_device *dev); |
c7153508 RR |
897 | int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie, |
898 | struct ieee80211_ht_info *ht_info); | |
899 | int ieee80211_ht_addt_info_ie_to_ht_bss_info( | |
900 | struct ieee80211_ht_addt_info *ht_add_info_ie, | |
901 | struct ieee80211_ht_bss_info *bss_info); | |
eadc8d9e RR |
902 | void ieee80211_send_addba_request(struct net_device *dev, const u8 *da, |
903 | u16 tid, u8 dialog_token, u16 start_seq_num, | |
904 | u16 agg_size, u16 timeout); | |
905 | void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid, | |
906 | u16 initiator, u16 reason_code); | |
429a3805 | 907 | void ieee80211_send_bar(struct net_device *dev, u8 *ra, u16 tid, u16 ssn); |
85249e5f | 908 | |
07db2183 RR |
909 | void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da, |
910 | u16 tid, u16 initiator, u16 reason); | |
eadc8d9e | 911 | void sta_addba_resp_timer_expired(unsigned long data); |
85249e5f | 912 | void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr); |
ee385855 LCC |
913 | u64 ieee80211_sta_get_rates(struct ieee80211_local *local, |
914 | struct ieee802_11_elems *elems, | |
915 | enum ieee80211_band band); | |
ee385855 LCC |
916 | void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb, |
917 | int encrypt); | |
918 | void ieee802_11_parse_elems(u8 *start, size_t len, | |
919 | struct ieee802_11_elems *elems); | |
920 | ||
902acc78 JB |
921 | #ifdef CONFIG_MAC80211_MESH |
922 | void ieee80211_start_mesh(struct net_device *dev); | |
923 | #else | |
924 | static inline void ieee80211_start_mesh(struct net_device *dev) | |
925 | {} | |
926 | #endif | |
ee385855 | 927 | |
3e122be0 | 928 | /* interface handling */ |
75636525 | 929 | void ieee80211_if_setup(struct net_device *dev); |
3e122be0 | 930 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
75636525 | 931 | struct net_device **new_dev, enum ieee80211_if_types type, |
ee385855 | 932 | struct vif_params *params); |
75636525 JB |
933 | void ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
934 | enum ieee80211_if_types type); | |
935 | void ieee80211_if_remove(struct net_device *dev); | |
936 | void ieee80211_remove_interfaces(struct ieee80211_local *local); | |
f0706e82 | 937 | |
e2ebc74d | 938 | /* tx handling */ |
e2ebc74d JB |
939 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
940 | void ieee80211_tx_pending(unsigned long data); | |
941 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
942 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
943 | int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
e2ebc74d | 944 | |
c2d1560a JB |
945 | /* utility functions/constants */ |
946 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
947 | extern const unsigned char rfc1042_header[6]; | |
948 | extern const unsigned char bridge_tunnel_header[6]; | |
71364716 RR |
949 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
950 | enum ieee80211_if_types type); | |
c2d1560a JB |
951 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
952 | int rate, int erp, int short_preamble); | |
eb063c17 JB |
953 | void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx, |
954 | struct ieee80211_hdr *hdr); | |
f0706e82 | 955 | |
f4ea83dd | 956 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
957 | #define debug_noinline noinline |
958 | #else | |
959 | #define debug_noinline | |
960 | #endif | |
961 | ||
f0706e82 | 962 | #endif /* IEEE80211_I_H */ |