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 | ||
0a51b27e JB |
56 | /* |
57 | * Time after which we ignore scan results and no longer report/use | |
58 | * them in any way. | |
59 | */ | |
60 | #define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ) | |
61 | ||
f0706e82 JB |
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]; | |
98f7dfd8 | 83 | u8 dtim_period; |
f0706e82 | 84 | u16 capability; /* host byte order */ |
8318d78a | 85 | enum ieee80211_band band; |
f0706e82 | 86 | int freq; |
566bfe5a | 87 | int signal, noise, qual; |
43ac2ca3 JM |
88 | u8 *ies; /* all information elements from the last Beacon or Probe |
89 | * Response frames; note Beacon frame is not allowed to | |
90 | * override values from Probe Response */ | |
91 | size_t ies_len; | |
92 | bool wmm_used; | |
ee385855 LCC |
93 | #ifdef CONFIG_MAC80211_MESH |
94 | u8 *mesh_id; | |
95 | size_t mesh_id_len; | |
24736701 | 96 | u8 *mesh_cfg; |
902acc78 | 97 | #endif |
f0706e82 JB |
98 | #define IEEE80211_MAX_SUPP_RATES 32 |
99 | u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; | |
100 | size_t supp_rates_len; | |
f0706e82 | 101 | u64 timestamp; |
056cdd59 | 102 | int beacon_int; |
f0706e82 | 103 | |
9859b81e | 104 | unsigned long last_probe_resp; |
f0706e82 JB |
105 | unsigned long last_update; |
106 | ||
5628221c DD |
107 | /* during assocation, we save an ERP value from a probe response so |
108 | * that we can feed ERP info to the driver when handling the | |
109 | * association completes. these fields probably won't be up-to-date | |
110 | * otherwise, you probably don't want to use them. */ | |
111 | int has_erp_value; | |
112 | u8 erp_value; | |
f0706e82 JB |
113 | }; |
114 | ||
24736701 | 115 | static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss) |
902acc78 JB |
116 | { |
117 | #ifdef CONFIG_MAC80211_MESH | |
118 | return bss->mesh_cfg; | |
119 | #endif | |
120 | return NULL; | |
121 | } | |
122 | ||
123 | static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss) | |
124 | { | |
125 | #ifdef CONFIG_MAC80211_MESH | |
126 | return bss->mesh_id; | |
127 | #endif | |
128 | return NULL; | |
129 | } | |
130 | ||
131 | static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss) | |
132 | { | |
133 | #ifdef CONFIG_MAC80211_MESH | |
134 | return bss->mesh_id_len; | |
135 | #endif | |
136 | return 0; | |
137 | } | |
138 | ||
f0706e82 | 139 | |
9ae54c84 JB |
140 | typedef unsigned __bitwise__ ieee80211_tx_result; |
141 | #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) | |
142 | #define TX_DROP ((__force ieee80211_tx_result) 1u) | |
143 | #define TX_QUEUED ((__force ieee80211_tx_result) 2u) | |
144 | ||
5cf121c3 JB |
145 | #define IEEE80211_TX_FRAGMENTED BIT(0) |
146 | #define IEEE80211_TX_UNICAST BIT(1) | |
147 | #define IEEE80211_TX_PS_BUFFERED BIT(2) | |
148 | #define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) | |
5cf121c3 JB |
149 | |
150 | struct ieee80211_tx_data { | |
151 | struct sk_buff *skb; | |
152 | struct net_device *dev; | |
153 | struct ieee80211_local *local; | |
154 | struct ieee80211_sub_if_data *sdata; | |
155 | struct sta_info *sta; | |
5cf121c3 | 156 | struct ieee80211_key *key; |
5cf121c3 | 157 | |
5cf121c3 | 158 | struct ieee80211_channel *channel; |
2e92e6f2 | 159 | s8 rate_idx; |
5cf121c3 JB |
160 | /* use this rate (if set) for last fragment; rate can |
161 | * be set to lower rate for the first fragments, e.g., | |
162 | * when using CTS protection with IEEE 802.11g. */ | |
2e92e6f2 | 163 | s8 last_frag_rate_idx; |
5cf121c3 JB |
164 | |
165 | /* Extra fragments (in addition to the first fragment | |
166 | * in skb) */ | |
5cf121c3 | 167 | struct sk_buff **extra_frag; |
056cdd59 JB |
168 | int num_extra_frag; |
169 | ||
a4b7d7bd | 170 | u16 ethertype; |
056cdd59 | 171 | unsigned int flags; |
5cf121c3 JB |
172 | }; |
173 | ||
174 | ||
9ae54c84 | 175 | typedef unsigned __bitwise__ ieee80211_rx_result; |
e4c26add JB |
176 | #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) |
177 | #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) | |
178 | #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) | |
179 | #define RX_QUEUED ((__force ieee80211_rx_result) 3u) | |
9ae54c84 | 180 | |
5cf121c3 | 181 | #define IEEE80211_RX_IN_SCAN BIT(0) |
badffb72 | 182 | /* frame is destined to interface currently processed (incl. multicast frames) */ |
5cf121c3 JB |
183 | #define IEEE80211_RX_RA_MATCH BIT(1) |
184 | #define IEEE80211_RX_AMSDU BIT(2) | |
185 | #define IEEE80211_RX_CMNTR_REPORTED BIT(3) | |
186 | #define IEEE80211_RX_FRAGMENTED BIT(4) | |
187 | ||
188 | struct ieee80211_rx_data { | |
f0706e82 JB |
189 | struct sk_buff *skb; |
190 | struct net_device *dev; | |
191 | struct ieee80211_local *local; | |
192 | struct ieee80211_sub_if_data *sdata; | |
193 | struct sta_info *sta; | |
f0706e82 | 194 | struct ieee80211_key *key; |
5cf121c3 JB |
195 | struct ieee80211_rx_status *status; |
196 | struct ieee80211_rate *rate; | |
056cdd59 | 197 | |
a4b7d7bd | 198 | u16 ethertype; |
056cdd59 | 199 | unsigned int flags; |
5cf121c3 JB |
200 | int sent_ps_buffered; |
201 | int queue; | |
5cf121c3 JB |
202 | u32 tkip_iv32; |
203 | u16 tkip_iv16; | |
f0706e82 JB |
204 | }; |
205 | ||
f0706e82 | 206 | struct ieee80211_tx_stored_packet { |
f0706e82 | 207 | struct sk_buff *skb; |
f0706e82 | 208 | struct sk_buff **extra_frag; |
2e92e6f2 | 209 | s8 last_frag_rate_idx; |
056cdd59 | 210 | int num_extra_frag; |
2e92e6f2 | 211 | bool last_frag_rate_ctrl_probe; |
f0706e82 JB |
212 | }; |
213 | ||
5dfdaf58 JB |
214 | struct beacon_data { |
215 | u8 *head, *tail; | |
216 | int head_len, tail_len; | |
217 | int dtim_period; | |
218 | }; | |
219 | ||
f0706e82 | 220 | struct ieee80211_if_ap { |
5dfdaf58 | 221 | struct beacon_data *beacon; |
f0706e82 | 222 | |
0ec3ca44 JB |
223 | struct list_head vlans; |
224 | ||
f0706e82 JB |
225 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
226 | size_t ssid_len; | |
f0706e82 JB |
227 | |
228 | /* yes, this looks ugly, but guarantees that we can later use | |
229 | * bitmap_empty :) | |
004c872e | 230 | * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */ |
f0706e82 | 231 | u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)]; |
f0706e82 | 232 | struct sk_buff_head ps_bc_buf; |
056cdd59 | 233 | atomic_t num_sta_ps; /* number of stations in PS mode */ |
5dfdaf58 | 234 | int dtim_count; |
f0706e82 JB |
235 | int num_beacons; /* number of TXed beacon frames for this BSS */ |
236 | }; | |
237 | ||
238 | struct ieee80211_if_wds { | |
f0706e82 | 239 | struct sta_info *sta; |
056cdd59 | 240 | u8 remote_addr[ETH_ALEN]; |
f0706e82 JB |
241 | }; |
242 | ||
243 | struct ieee80211_if_vlan { | |
0ec3ca44 | 244 | struct list_head list; |
f0706e82 JB |
245 | }; |
246 | ||
ee385855 LCC |
247 | struct mesh_stats { |
248 | __u32 fwded_frames; /* Mesh forwarded frames */ | |
249 | __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ | |
250 | __u32 dropped_frames_no_route; /* Not transmitted, no route found */ | |
251 | atomic_t estab_plinks; | |
252 | }; | |
253 | ||
254 | #define PREQ_Q_F_START 0x1 | |
255 | #define PREQ_Q_F_REFRESH 0x2 | |
256 | struct mesh_preq_queue { | |
257 | struct list_head list; | |
258 | u8 dst[ETH_ALEN]; | |
259 | u8 flags; | |
260 | }; | |
261 | ||
ee385855 LCC |
262 | struct mesh_config { |
263 | /* Timeouts in ms */ | |
264 | /* Mesh plink management parameters */ | |
265 | u16 dot11MeshRetryTimeout; | |
266 | u16 dot11MeshConfirmTimeout; | |
267 | u16 dot11MeshHoldingTimeout; | |
268 | u16 dot11MeshMaxPeerLinks; | |
269 | u8 dot11MeshMaxRetries; | |
270 | u8 dot11MeshTTL; | |
271 | bool auto_open_plinks; | |
272 | /* HWMP parameters */ | |
ee385855 LCC |
273 | u8 dot11MeshHWMPmaxPREQretries; |
274 | u32 path_refresh_time; | |
275 | u16 min_discovery_timeout; | |
056cdd59 JB |
276 | u32 dot11MeshHWMPactivePathTimeout; |
277 | u16 dot11MeshHWMPpreqMinInterval; | |
278 | u16 dot11MeshHWMPnetDiameterTraversalTime; | |
ee385855 | 279 | }; |
902acc78 | 280 | |
ee385855 | 281 | |
d6f2da5b JS |
282 | /* flags used in struct ieee80211_if_sta.flags */ |
283 | #define IEEE80211_STA_SSID_SET BIT(0) | |
284 | #define IEEE80211_STA_BSSID_SET BIT(1) | |
285 | #define IEEE80211_STA_PREV_BSSID_SET BIT(2) | |
286 | #define IEEE80211_STA_AUTHENTICATED BIT(3) | |
287 | #define IEEE80211_STA_ASSOCIATED BIT(4) | |
288 | #define IEEE80211_STA_PROBEREQ_POLL BIT(5) | |
289 | #define IEEE80211_STA_CREATE_IBSS BIT(6) | |
290 | #define IEEE80211_STA_MIXED_CELL BIT(7) | |
291 | #define IEEE80211_STA_WMM_ENABLED BIT(8) | |
292 | #define IEEE80211_STA_AUTO_SSID_SEL BIT(10) | |
293 | #define IEEE80211_STA_AUTO_BSSID_SEL BIT(11) | |
294 | #define IEEE80211_STA_AUTO_CHANNEL_SEL BIT(12) | |
5b98b1f7 | 295 | #define IEEE80211_STA_PRIVACY_INVOKED BIT(13) |
48c2fc59 TW |
296 | /* flags for MLME request*/ |
297 | #define IEEE80211_STA_REQ_SCAN 0 | |
9859b81e RR |
298 | #define IEEE80211_STA_REQ_DIRECT_PROBE 1 |
299 | #define IEEE80211_STA_REQ_AUTH 2 | |
300 | #define IEEE80211_STA_REQ_RUN 3 | |
48c2fc59 TW |
301 | |
302 | /* flags used for setting mlme state */ | |
303 | enum ieee80211_sta_mlme_state { | |
304 | IEEE80211_STA_MLME_DISABLED, | |
9859b81e | 305 | IEEE80211_STA_MLME_DIRECT_PROBE, |
48c2fc59 TW |
306 | IEEE80211_STA_MLME_AUTHENTICATE, |
307 | IEEE80211_STA_MLME_ASSOCIATE, | |
308 | IEEE80211_STA_MLME_ASSOCIATED, | |
309 | IEEE80211_STA_MLME_IBSS_SEARCH, | |
310 | IEEE80211_STA_MLME_IBSS_JOINED, | |
48c2fc59 TW |
311 | }; |
312 | ||
313 | /* bitfield of allowed auth algs */ | |
314 | #define IEEE80211_AUTH_ALG_OPEN BIT(0) | |
315 | #define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1) | |
316 | #define IEEE80211_AUTH_ALG_LEAP BIT(2) | |
317 | ||
f0706e82 | 318 | struct ieee80211_if_sta { |
056cdd59 JB |
319 | struct timer_list timer; |
320 | struct work_struct work; | |
321 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; | |
322 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
48c2fc59 | 323 | enum ieee80211_sta_mlme_state state; |
f0706e82 | 324 | size_t ssid_len; |
a0af5f14 HS |
325 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
326 | size_t scan_ssid_len; | |
f0706e82 JB |
327 | u16 aid; |
328 | u16 ap_capab, capab; | |
329 | u8 *extra_ie; /* to be added to the end of AssocReq */ | |
330 | size_t extra_ie_len; | |
331 | ||
332 | /* The last AssocReq/Resp IEs */ | |
333 | u8 *assocreq_ies, *assocresp_ies; | |
334 | size_t assocreq_ies_len, assocresp_ies_len; | |
335 | ||
056cdd59 JB |
336 | struct sk_buff_head skb_queue; |
337 | ||
6042a3e3 | 338 | int assoc_scan_tries; /* number of scans done pre-association */ |
9859b81e | 339 | int direct_probe_tries; /* retries for direct probes */ |
6042a3e3 RR |
340 | int auth_tries; /* retries for auth req */ |
341 | int assoc_tries; /* retries for assoc req */ | |
f0706e82 | 342 | |
056cdd59 JB |
343 | unsigned long request; |
344 | ||
345 | unsigned long last_probe; | |
346 | ||
d6f2da5b | 347 | unsigned int flags; |
f0706e82 | 348 | |
f0706e82 JB |
349 | unsigned int auth_algs; /* bitfield of allowed auth algs */ |
350 | int auth_alg; /* currently used IEEE 802.11 authentication algorithm */ | |
351 | int auth_transaction; | |
352 | ||
353 | unsigned long ibss_join_req; | |
354 | struct sk_buff *probe_resp; /* ProbeResp template for IBSS */ | |
8318d78a | 355 | u32 supp_rates_bits[IEEE80211_NUM_BANDS]; |
f0706e82 JB |
356 | |
357 | int wmm_last_param_set; | |
ee385855 | 358 | int num_beacons; /* number of TXed beacon frames by this STA */ |
f0706e82 JB |
359 | }; |
360 | ||
472dbc45 JB |
361 | struct ieee80211_if_mesh { |
362 | struct work_struct work; | |
363 | struct timer_list housekeeping_timer; | |
364 | struct timer_list mesh_path_timer; | |
365 | struct sk_buff_head skb_queue; | |
366 | ||
367 | bool housekeeping; | |
368 | ||
369 | u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; | |
370 | size_t mesh_id_len; | |
371 | /* Active Path Selection Protocol Identifier */ | |
372 | u8 mesh_pp_id[4]; | |
373 | /* Active Path Selection Metric Identifier */ | |
374 | u8 mesh_pm_id[4]; | |
375 | /* Congestion Control Mode Identifier */ | |
376 | u8 mesh_cc_id[4]; | |
377 | /* Local mesh Destination Sequence Number */ | |
378 | u32 dsn; | |
379 | /* Last used PREQ ID */ | |
380 | u32 preq_id; | |
381 | atomic_t mpaths; | |
382 | /* Timestamp of last DSN update */ | |
383 | unsigned long last_dsn_update; | |
384 | /* Timestamp of last DSN sent */ | |
385 | unsigned long last_preq; | |
386 | struct mesh_rmc *rmc; | |
387 | spinlock_t mesh_preq_queue_lock; | |
388 | struct mesh_preq_queue preq_queue; | |
389 | int preq_queue_len; | |
390 | struct mesh_stats mshstats; | |
391 | struct mesh_config mshcfg; | |
392 | u32 mesh_seqnum; | |
393 | bool accepting_plinks; | |
394 | int num_beacons; | |
395 | }; | |
902acc78 JB |
396 | |
397 | #ifdef CONFIG_MAC80211_MESH | |
472dbc45 JB |
398 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
399 | do { (msh)->mshstats.name++; } while (0) | |
902acc78 | 400 | #else |
472dbc45 | 401 | #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \ |
902acc78 JB |
402 | do { } while (0) |
403 | #endif | |
f0706e82 | 404 | |
213cd118 JB |
405 | /** |
406 | * enum ieee80211_sub_if_data_flags - virtual interface flags | |
407 | * | |
408 | * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets | |
409 | * @IEEE80211_SDATA_PROMISC: interface is promisc | |
410 | * @IEEE80211_SDATA_USERSPACE_MLME: userspace MLME is active | |
411 | * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode | |
412 | * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between | |
413 | * associated stations and deliver multicast frames both | |
414 | * back to wireless media and to the local net stack. | |
415 | */ | |
416 | enum ieee80211_sub_if_data_flags { | |
417 | IEEE80211_SDATA_ALLMULTI = BIT(0), | |
418 | IEEE80211_SDATA_PROMISC = BIT(1), | |
419 | IEEE80211_SDATA_USERSPACE_MLME = BIT(2), | |
420 | IEEE80211_SDATA_OPERATING_GMODE = BIT(3), | |
421 | IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(4), | |
422 | }; | |
423 | ||
f0706e82 JB |
424 | struct ieee80211_sub_if_data { |
425 | struct list_head list; | |
f0706e82 JB |
426 | |
427 | struct wireless_dev wdev; | |
428 | ||
11a843b7 JB |
429 | /* keys */ |
430 | struct list_head key_list; | |
431 | ||
f0706e82 JB |
432 | struct net_device *dev; |
433 | struct ieee80211_local *local; | |
434 | ||
13262ffd | 435 | unsigned int flags; |
7e9ed188 | 436 | |
f0706e82 | 437 | int drop_unencrypted; |
f0706e82 | 438 | |
8318d78a JB |
439 | /* |
440 | * basic rates of this AP or the AP we're associated to | |
441 | */ | |
442 | u64 basic_rates; | |
443 | ||
f0706e82 JB |
444 | /* Fragment table for host-based reassembly */ |
445 | struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX]; | |
446 | unsigned int fragment_next; | |
447 | ||
448 | #define NUM_DEFAULT_KEYS 4 | |
449 | struct ieee80211_key *keys[NUM_DEFAULT_KEYS]; | |
450 | struct ieee80211_key *default_key; | |
451 | ||
3e122be0 JB |
452 | /* BSS configuration for this interface. */ |
453 | struct ieee80211_bss_conf bss_conf; | |
454 | ||
471b3efd | 455 | /* |
3e122be0 JB |
456 | * AP this belongs to: self in AP mode and |
457 | * corresponding AP in VLAN mode, NULL for | |
458 | * all others (might be needed later in IBSS) | |
471b3efd | 459 | */ |
3e122be0 JB |
460 | struct ieee80211_if_ap *bss; |
461 | ||
462 | int force_unicast_rateidx; /* forced TX rateidx for unicast frames */ | |
463 | int max_ratectrl_rateidx; /* max TX rateidx for rate control */ | |
f0706e82 JB |
464 | |
465 | union { | |
466 | struct ieee80211_if_ap ap; | |
467 | struct ieee80211_if_wds wds; | |
468 | struct ieee80211_if_vlan vlan; | |
469 | struct ieee80211_if_sta sta; | |
472dbc45 JB |
470 | #ifdef CONFIG_MAC80211_MESH |
471 | struct ieee80211_if_mesh mesh; | |
472 | #endif | |
8cc9a739 | 473 | u32 mntr_flags; |
f0706e82 | 474 | } u; |
e9f207f0 JB |
475 | |
476 | #ifdef CONFIG_MAC80211_DEBUGFS | |
477 | struct dentry *debugfsdir; | |
478 | union { | |
479 | struct { | |
e9f207f0 | 480 | struct dentry *drop_unencrypted; |
e9f207f0 JB |
481 | struct dentry *state; |
482 | struct dentry *bssid; | |
483 | struct dentry *prev_bssid; | |
484 | struct dentry *ssid_len; | |
485 | struct dentry *aid; | |
486 | struct dentry *ap_capab; | |
487 | struct dentry *capab; | |
488 | struct dentry *extra_ie_len; | |
489 | struct dentry *auth_tries; | |
490 | struct dentry *assoc_tries; | |
491 | struct dentry *auth_algs; | |
492 | struct dentry *auth_alg; | |
493 | struct dentry *auth_transaction; | |
494 | struct dentry *flags; | |
ee385855 | 495 | struct dentry *num_beacons_sta; |
93015f0f JM |
496 | struct dentry *force_unicast_rateidx; |
497 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
498 | } sta; |
499 | struct { | |
e9f207f0 | 500 | struct dentry *drop_unencrypted; |
e9f207f0 | 501 | struct dentry *num_sta_ps; |
e9f207f0 JB |
502 | struct dentry *dtim_count; |
503 | struct dentry *num_beacons; | |
504 | struct dentry *force_unicast_rateidx; | |
505 | struct dentry *max_ratectrl_rateidx; | |
506 | struct dentry *num_buffered_multicast; | |
e9f207f0 JB |
507 | } ap; |
508 | struct { | |
e9f207f0 | 509 | struct dentry *drop_unencrypted; |
e9f207f0 | 510 | struct dentry *peer; |
93015f0f JM |
511 | struct dentry *force_unicast_rateidx; |
512 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
513 | } wds; |
514 | struct { | |
e9f207f0 | 515 | struct dentry *drop_unencrypted; |
93015f0f JM |
516 | struct dentry *force_unicast_rateidx; |
517 | struct dentry *max_ratectrl_rateidx; | |
e9f207f0 JB |
518 | } vlan; |
519 | struct { | |
520 | struct dentry *mode; | |
521 | } monitor; | |
e9f207f0 | 522 | } debugfs; |
2b58b209 JM |
523 | struct { |
524 | struct dentry *default_key; | |
525 | } common_debugfs; | |
ee385855 LCC |
526 | |
527 | #ifdef CONFIG_MAC80211_MESH | |
528 | struct dentry *mesh_stats_dir; | |
529 | struct { | |
530 | struct dentry *fwded_frames; | |
531 | struct dentry *dropped_frames_ttl; | |
532 | struct dentry *dropped_frames_no_route; | |
533 | struct dentry *estab_plinks; | |
902acc78 | 534 | struct timer_list mesh_path_timer; |
ee385855 LCC |
535 | } mesh_stats; |
536 | ||
537 | struct dentry *mesh_config_dir; | |
538 | struct { | |
539 | struct dentry *dot11MeshRetryTimeout; | |
540 | struct dentry *dot11MeshConfirmTimeout; | |
541 | struct dentry *dot11MeshHoldingTimeout; | |
542 | struct dentry *dot11MeshMaxRetries; | |
543 | struct dentry *dot11MeshTTL; | |
544 | struct dentry *auto_open_plinks; | |
545 | struct dentry *dot11MeshMaxPeerLinks; | |
546 | struct dentry *dot11MeshHWMPactivePathTimeout; | |
547 | struct dentry *dot11MeshHWMPpreqMinInterval; | |
548 | struct dentry *dot11MeshHWMPnetDiameterTraversalTime; | |
549 | struct dentry *dot11MeshHWMPmaxPREQretries; | |
550 | struct dentry *path_refresh_time; | |
551 | struct dentry *min_discovery_timeout; | |
552 | } mesh_config; | |
553 | #endif | |
554 | ||
e9f207f0 | 555 | #endif |
32bfd35d JB |
556 | /* must be last, dynamically sized area in this! */ |
557 | struct ieee80211_vif vif; | |
f0706e82 JB |
558 | }; |
559 | ||
32bfd35d JB |
560 | static inline |
561 | struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p) | |
562 | { | |
563 | return container_of(p, struct ieee80211_sub_if_data, vif); | |
564 | } | |
565 | ||
472dbc45 JB |
566 | static inline void |
567 | ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata, | |
568 | u8 mesh_id_len, u8 *mesh_id) | |
569 | { | |
570 | #ifdef CONFIG_MAC80211_MESH | |
571 | struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; | |
572 | ifmsh->mesh_id_len = mesh_id_len; | |
573 | memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len); | |
574 | #else | |
575 | WARN_ON(1); | |
576 | #endif | |
577 | } | |
578 | ||
f0706e82 JB |
579 | enum { |
580 | IEEE80211_RX_MSG = 1, | |
581 | IEEE80211_TX_STATUS_MSG = 2, | |
eadc8d9e RR |
582 | IEEE80211_DELBA_MSG = 3, |
583 | IEEE80211_ADDBA_MSG = 4, | |
f0706e82 JB |
584 | }; |
585 | ||
51cb6db0 DM |
586 | /* maximum number of hardware queues we support. */ |
587 | #define QD_MAX_QUEUES (IEEE80211_MAX_AMPDU_QUEUES + IEEE80211_MAX_QUEUES) | |
588 | ||
f0706e82 JB |
589 | struct ieee80211_local { |
590 | /* embed the driver visible part. | |
591 | * don't cast (use the static inlines below), but we keep | |
592 | * it first anyway so they become a no-op */ | |
593 | struct ieee80211_hw hw; | |
594 | ||
595 | const struct ieee80211_ops *ops; | |
596 | ||
51cb6db0 DM |
597 | unsigned long queue_pool[BITS_TO_LONGS(QD_MAX_QUEUES)]; |
598 | ||
f0706e82 | 599 | struct net_device *mdev; /* wmaster# - "master" 802.11 device */ |
f0706e82 | 600 | int open_count; |
3d30d949 | 601 | int monitors, cooked_mntrs; |
8cc9a739 MW |
602 | /* number of interfaces with corresponding FIF_ flags */ |
603 | int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; | |
4150c572 | 604 | unsigned int filter_flags; /* FIF_* */ |
f0706e82 JB |
605 | struct iw_statistics wstats; |
606 | u8 wstats_flags; | |
d0709a65 | 607 | bool tim_in_locked_section; /* see ieee80211_beacon_get() */ |
b306f453 | 608 | int tx_headroom; /* required headroom for hardware/radiotap */ |
f0706e82 | 609 | |
f0706e82 JB |
610 | /* Tasklet and skb queue to process calls from IRQ mode. All frames |
611 | * added to skb_queue will be processed, but frames in | |
612 | * skb_queue_unreliable may be dropped if the total length of these | |
613 | * queues increases over the limit. */ | |
614 | #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128 | |
615 | struct tasklet_struct tasklet; | |
616 | struct sk_buff_head skb_queue; | |
617 | struct sk_buff_head skb_queue_unreliable; | |
618 | ||
d0709a65 JB |
619 | /* Station data */ |
620 | /* | |
621 | * The lock only protects the list, hash, timer and counter | |
622 | * against manipulation, reads are done in RCU. Additionally, | |
b16bd15c | 623 | * the lock protects each BSS's TIM bitmap. |
d0709a65 JB |
624 | */ |
625 | spinlock_t sta_lock; | |
626 | unsigned long num_sta; | |
f0706e82 | 627 | struct list_head sta_list; |
dc6676b7 JB |
628 | struct list_head sta_flush_list; |
629 | struct work_struct sta_flush_work; | |
f0706e82 JB |
630 | struct sta_info *sta_hash[STA_HASH_SIZE]; |
631 | struct timer_list sta_cleanup; | |
632 | ||
e2530083 | 633 | unsigned long queues_pending[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
f8e79ddd | 634 | unsigned long queues_pending_run[BITS_TO_LONGS(IEEE80211_MAX_QUEUES)]; |
eefce91a | 635 | struct ieee80211_tx_stored_packet pending_packet[IEEE80211_MAX_QUEUES]; |
f0706e82 JB |
636 | struct tasklet_struct tx_pending_tasklet; |
637 | ||
53918994 JB |
638 | /* number of interfaces with corresponding IFF_ flags */ |
639 | atomic_t iff_allmultis, iff_promiscs; | |
f0706e82 JB |
640 | |
641 | struct rate_control_ref *rate_ctrl; | |
642 | ||
f0706e82 | 643 | int rts_threshold; |
f0706e82 JB |
644 | int fragmentation_threshold; |
645 | int short_retry_limit; /* dot11ShortRetryLimit */ | |
646 | int long_retry_limit; /* dot11LongRetryLimit */ | |
f0706e82 JB |
647 | |
648 | struct crypto_blkcipher *wep_tx_tfm; | |
649 | struct crypto_blkcipher *wep_rx_tfm; | |
650 | u32 wep_iv; | |
f0706e82 | 651 | |
79010420 JB |
652 | struct list_head interfaces; |
653 | ||
b16bd15c JB |
654 | /* |
655 | * Key lock, protects sdata's key_list and sta_info's | |
656 | * key pointers (write access, they're RCU.) | |
657 | */ | |
658 | spinlock_t key_lock; | |
659 | ||
660 | ||
ece8eddd ZY |
661 | bool sta_sw_scanning; |
662 | bool sta_hw_scanning; | |
f0706e82 | 663 | int scan_channel_idx; |
8318d78a JB |
664 | enum ieee80211_band scan_band; |
665 | ||
f0706e82 JB |
666 | enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state; |
667 | unsigned long last_scan_completed; | |
668 | struct delayed_work scan_work; | |
491775a5 | 669 | struct ieee80211_sub_if_data *scan_sdata; |
f0706e82 | 670 | struct ieee80211_channel *oper_channel, *scan_channel; |
f0706e82 JB |
671 | u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; |
672 | size_t scan_ssid_len; | |
673 | struct list_head sta_bss_list; | |
674 | struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE]; | |
675 | spinlock_t sta_bss_lock; | |
f0706e82 JB |
676 | |
677 | /* SNMP counters */ | |
678 | /* dot11CountersTable */ | |
679 | u32 dot11TransmittedFragmentCount; | |
680 | u32 dot11MulticastTransmittedFrameCount; | |
681 | u32 dot11FailedCount; | |
682 | u32 dot11RetryCount; | |
683 | u32 dot11MultipleRetryCount; | |
684 | u32 dot11FrameDuplicateCount; | |
685 | u32 dot11ReceivedFragmentCount; | |
686 | u32 dot11MulticastReceivedFrameCount; | |
687 | u32 dot11TransmittedFrameCount; | |
688 | u32 dot11WEPUndecryptableCount; | |
689 | ||
690 | #ifdef CONFIG_MAC80211_LEDS | |
691 | int tx_led_counter, rx_led_counter; | |
cdcb006f ID |
692 | struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led; |
693 | char tx_led_name[32], rx_led_name[32], | |
694 | assoc_led_name[32], radio_led_name[32]; | |
f0706e82 JB |
695 | #endif |
696 | ||
e9f207f0 JB |
697 | #ifdef CONFIG_MAC80211_DEBUGFS |
698 | struct work_struct sta_debugfs_add; | |
699 | #endif | |
700 | ||
f0706e82 JB |
701 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS |
702 | /* TX/RX handler statistics */ | |
703 | unsigned int tx_handlers_drop; | |
704 | unsigned int tx_handlers_queued; | |
705 | unsigned int tx_handlers_drop_unencrypted; | |
706 | unsigned int tx_handlers_drop_fragment; | |
707 | unsigned int tx_handlers_drop_wep; | |
708 | unsigned int tx_handlers_drop_not_assoc; | |
709 | unsigned int tx_handlers_drop_unauth_port; | |
710 | unsigned int rx_handlers_drop; | |
711 | unsigned int rx_handlers_queued; | |
712 | unsigned int rx_handlers_drop_nullfunc; | |
713 | unsigned int rx_handlers_drop_defrag; | |
714 | unsigned int rx_handlers_drop_short; | |
715 | unsigned int rx_handlers_drop_passive_scan; | |
716 | unsigned int tx_expand_skb_head; | |
717 | unsigned int tx_expand_skb_head_cloned; | |
718 | unsigned int rx_expand_skb_head; | |
719 | unsigned int rx_expand_skb_head2; | |
720 | unsigned int rx_handlers_fragments; | |
721 | unsigned int tx_status_drop; | |
f0706e82 JB |
722 | #define I802_DEBUG_INC(c) (c)++ |
723 | #else /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
724 | #define I802_DEBUG_INC(c) do { } while (0) | |
725 | #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ | |
726 | ||
727 | ||
f0706e82 JB |
728 | int total_ps_buffered; /* total number of all buffered unicast and |
729 | * multicast packets for power saving stations | |
730 | */ | |
f0706e82 JB |
731 | int wifi_wme_noack_test; |
732 | unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ | |
733 | ||
e9f207f0 JB |
734 | #ifdef CONFIG_MAC80211_DEBUGFS |
735 | struct local_debugfsdentries { | |
e9f207f0 | 736 | struct dentry *frequency; |
e9f207f0 JB |
737 | struct dentry *antenna_sel_tx; |
738 | struct dentry *antenna_sel_rx; | |
e9f207f0 JB |
739 | struct dentry *rts_threshold; |
740 | struct dentry *fragmentation_threshold; | |
741 | struct dentry *short_retry_limit; | |
742 | struct dentry *long_retry_limit; | |
743 | struct dentry *total_ps_buffered; | |
e9f207f0 | 744 | struct dentry *wep_iv; |
e9f207f0 JB |
745 | struct dentry *statistics; |
746 | struct local_debugfsdentries_statsdentries { | |
747 | struct dentry *transmitted_fragment_count; | |
748 | struct dentry *multicast_transmitted_frame_count; | |
749 | struct dentry *failed_count; | |
750 | struct dentry *retry_count; | |
751 | struct dentry *multiple_retry_count; | |
752 | struct dentry *frame_duplicate_count; | |
753 | struct dentry *received_fragment_count; | |
754 | struct dentry *multicast_received_frame_count; | |
755 | struct dentry *transmitted_frame_count; | |
756 | struct dentry *wep_undecryptable_count; | |
757 | struct dentry *num_scans; | |
758 | #ifdef CONFIG_MAC80211_DEBUG_COUNTERS | |
759 | struct dentry *tx_handlers_drop; | |
760 | struct dentry *tx_handlers_queued; | |
761 | struct dentry *tx_handlers_drop_unencrypted; | |
762 | struct dentry *tx_handlers_drop_fragment; | |
763 | struct dentry *tx_handlers_drop_wep; | |
764 | struct dentry *tx_handlers_drop_not_assoc; | |
765 | struct dentry *tx_handlers_drop_unauth_port; | |
766 | struct dentry *rx_handlers_drop; | |
767 | struct dentry *rx_handlers_queued; | |
768 | struct dentry *rx_handlers_drop_nullfunc; | |
769 | struct dentry *rx_handlers_drop_defrag; | |
770 | struct dentry *rx_handlers_drop_short; | |
771 | struct dentry *rx_handlers_drop_passive_scan; | |
772 | struct dentry *tx_expand_skb_head; | |
773 | struct dentry *tx_expand_skb_head_cloned; | |
774 | struct dentry *rx_expand_skb_head; | |
775 | struct dentry *rx_expand_skb_head2; | |
776 | struct dentry *rx_handlers_fragments; | |
777 | struct dentry *tx_status_drop; | |
e9f207f0 JB |
778 | #endif |
779 | struct dentry *dot11ACKFailureCount; | |
780 | struct dentry *dot11RTSFailureCount; | |
781 | struct dentry *dot11FCSErrorCount; | |
782 | struct dentry *dot11RTSSuccessCount; | |
783 | } stats; | |
784 | struct dentry *stations; | |
785 | struct dentry *keys; | |
786 | } debugfs; | |
787 | #endif | |
f0706e82 JB |
788 | }; |
789 | ||
3e122be0 JB |
790 | static inline struct ieee80211_sub_if_data * |
791 | IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) | |
792 | { | |
793 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
794 | ||
795 | BUG_ON(!local || local->mdev == dev); | |
796 | ||
797 | return netdev_priv(dev); | |
798 | } | |
799 | ||
eadc8d9e RR |
800 | /* this struct represents 802.11n's RA/TID combination */ |
801 | struct ieee80211_ra_tid { | |
802 | u8 ra[ETH_ALEN]; | |
803 | u16 tid; | |
804 | }; | |
805 | ||
ee385855 LCC |
806 | /* Parsed Information Elements */ |
807 | struct ieee802_11_elems { | |
43ac2ca3 JM |
808 | u8 *ie_start; |
809 | size_t total_len; | |
810 | ||
ee385855 LCC |
811 | /* pointers to IEs */ |
812 | u8 *ssid; | |
813 | u8 *supp_rates; | |
814 | u8 *fh_params; | |
815 | u8 *ds_params; | |
816 | u8 *cf_params; | |
817 | u8 *tim; | |
818 | u8 *ibss_params; | |
819 | u8 *challenge; | |
820 | u8 *wpa; | |
821 | u8 *rsn; | |
822 | u8 *erp_info; | |
823 | u8 *ext_supp_rates; | |
824 | u8 *wmm_info; | |
825 | u8 *wmm_param; | |
826 | u8 *ht_cap_elem; | |
827 | u8 *ht_info_elem; | |
828 | u8 *mesh_config; | |
829 | u8 *mesh_id; | |
830 | u8 *peer_link; | |
831 | u8 *preq; | |
832 | u8 *prep; | |
833 | u8 *perr; | |
f2df3859 AK |
834 | u8 *ch_switch_elem; |
835 | u8 *country_elem; | |
836 | u8 *pwr_constr_elem; | |
837 | u8 *quiet_elem; /* first quite element */ | |
ee385855 LCC |
838 | |
839 | /* length of them, respectively */ | |
840 | u8 ssid_len; | |
841 | u8 supp_rates_len; | |
842 | u8 fh_params_len; | |
843 | u8 ds_params_len; | |
844 | u8 cf_params_len; | |
845 | u8 tim_len; | |
846 | u8 ibss_params_len; | |
847 | u8 challenge_len; | |
848 | u8 wpa_len; | |
849 | u8 rsn_len; | |
850 | u8 erp_info_len; | |
851 | u8 ext_supp_rates_len; | |
852 | u8 wmm_info_len; | |
853 | u8 wmm_param_len; | |
854 | u8 ht_cap_elem_len; | |
855 | u8 ht_info_elem_len; | |
856 | u8 mesh_config_len; | |
857 | u8 mesh_id_len; | |
858 | u8 peer_link_len; | |
859 | u8 preq_len; | |
860 | u8 prep_len; | |
861 | u8 perr_len; | |
f2df3859 AK |
862 | u8 ch_switch_elem_len; |
863 | u8 country_elem_len; | |
864 | u8 pwr_constr_elem_len; | |
865 | u8 quiet_elem_len; | |
866 | u8 num_of_quiet_elem; /* can be more the one */ | |
ee385855 LCC |
867 | }; |
868 | ||
f0706e82 JB |
869 | static inline struct ieee80211_local *hw_to_local( |
870 | struct ieee80211_hw *hw) | |
871 | { | |
872 | return container_of(hw, struct ieee80211_local, hw); | |
873 | } | |
874 | ||
875 | static inline struct ieee80211_hw *local_to_hw( | |
876 | struct ieee80211_local *local) | |
877 | { | |
878 | return &local->hw; | |
879 | } | |
880 | ||
f0706e82 JB |
881 | struct sta_attribute { |
882 | struct attribute attr; | |
883 | ssize_t (*show)(const struct sta_info *, char *buf); | |
884 | ssize_t (*store)(struct sta_info *, const char *buf, size_t count); | |
885 | }; | |
886 | ||
571ecf67 JB |
887 | static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) |
888 | { | |
889 | return compare_ether_addr(raddr, addr) == 0 || | |
890 | is_broadcast_ether_addr(raddr); | |
891 | } | |
892 | ||
893 | ||
f0706e82 | 894 | int ieee80211_hw_config(struct ieee80211_local *local); |
9d139c81 | 895 | int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed); |
5cf121c3 | 896 | void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); |
38668c05 TW |
897 | u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht, |
898 | struct ieee80211_ht_info *req_ht_cap, | |
899 | struct ieee80211_ht_bss_info *req_bss_cap); | |
9c6bd790 JB |
900 | void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, |
901 | u32 changed); | |
f0706e82 | 902 | |
9c6bd790 | 903 | /* wireless extensions */ |
f0706e82 | 904 | extern const struct iw_handler_def ieee80211_iw_handler_def; |
65b53e4c | 905 | |
9c6bd790 JB |
906 | /* STA/IBSS code */ |
907 | void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata); | |
f0706e82 | 908 | void ieee80211_sta_scan_work(struct work_struct *work); |
f698d856 | 909 | void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
f0706e82 | 910 | struct ieee80211_rx_status *rx_status); |
f698d856 JBG |
911 | int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len); |
912 | int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len); | |
913 | int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid); | |
f698d856 | 914 | void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata, |
f0706e82 | 915 | struct ieee80211_if_sta *ifsta); |
f698d856 | 916 | struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, |
988c0f72 | 917 | struct sk_buff *skb, u8 *bssid, |
87291c02 | 918 | u8 *addr, u64 supp_rates); |
f698d856 JBG |
919 | int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason); |
920 | int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason); | |
f698d856 | 921 | u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata); |
ee385855 LCC |
922 | u64 ieee80211_sta_get_rates(struct ieee80211_local *local, |
923 | struct ieee802_11_elems *elems, | |
924 | enum ieee80211_band band); | |
0a51b27e JB |
925 | void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst, |
926 | u8 *ssid, size_t ssid_len); | |
9c6bd790 JB |
927 | |
928 | /* scan/BSS handling */ | |
929 | int ieee80211_sta_req_scan(struct ieee80211_sub_if_data *sdata, u8 *ssid, size_t ssid_len); | |
930 | int ieee80211_sta_scan_results(struct ieee80211_local *local, | |
931 | struct iw_request_info *info, | |
932 | char *buf, size_t len); | |
933 | ieee80211_rx_result ieee80211_sta_rx_scan( | |
934 | struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, | |
935 | struct ieee80211_rx_status *rx_status); | |
936 | void ieee80211_rx_bss_list_init(struct ieee80211_local *local); | |
937 | void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local); | |
938 | int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len); | |
939 | ||
0a51b27e JB |
940 | void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); |
941 | int ieee80211_sta_start_scan(struct ieee80211_sub_if_data *scan_sdata, | |
942 | u8 *ssid, size_t ssid_len); | |
98c8fccf JB |
943 | struct ieee80211_sta_bss * |
944 | ieee80211_bss_info_update(struct ieee80211_local *local, | |
945 | struct ieee80211_rx_status *rx_status, | |
946 | struct ieee80211_mgmt *mgmt, | |
947 | size_t len, | |
948 | struct ieee802_11_elems *elems, | |
949 | int freq, bool beacon); | |
5484e237 JB |
950 | struct ieee80211_sta_bss * |
951 | ieee80211_rx_bss_add(struct ieee80211_local *local, u8 *bssid, int freq, | |
952 | u8 *ssid, u8 ssid_len); | |
953 | struct ieee80211_sta_bss * | |
954 | ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq, | |
955 | u8 *ssid, u8 ssid_len); | |
98c8fccf JB |
956 | void ieee80211_rx_bss_put(struct ieee80211_local *local, |
957 | struct ieee80211_sta_bss *bss); | |
ee385855 | 958 | |
3e122be0 | 959 | /* interface handling */ |
75636525 | 960 | void ieee80211_if_setup(struct net_device *dev); |
3e122be0 | 961 | int ieee80211_if_add(struct ieee80211_local *local, const char *name, |
75636525 | 962 | struct net_device **new_dev, enum ieee80211_if_types type, |
ee385855 | 963 | struct vif_params *params); |
f3947e2d JB |
964 | int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, |
965 | enum ieee80211_if_types type); | |
f698d856 | 966 | void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata); |
75636525 | 967 | void ieee80211_remove_interfaces(struct ieee80211_local *local); |
f0706e82 | 968 | |
e2ebc74d | 969 | /* tx handling */ |
e2ebc74d JB |
970 | void ieee80211_clear_tx_pending(struct ieee80211_local *local); |
971 | void ieee80211_tx_pending(unsigned long data); | |
972 | int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
973 | int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
974 | int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
e2ebc74d | 975 | |
de1ede7a JB |
976 | /* HT */ |
977 | int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie, | |
978 | struct ieee80211_ht_info *ht_info); | |
979 | int ieee80211_ht_addt_info_ie_to_ht_bss_info( | |
980 | struct ieee80211_ht_addt_info *ht_add_info_ie, | |
981 | struct ieee80211_ht_bss_info *bss_info); | |
982 | void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn); | |
983 | ||
984 | void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da, | |
985 | u16 tid, u16 initiator, u16 reason); | |
986 | void ieee80211_sta_tear_down_BA_sessions(struct ieee80211_sub_if_data *sdata, u8 *addr); | |
987 | void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, | |
988 | struct sta_info *sta, | |
989 | struct ieee80211_mgmt *mgmt, size_t len); | |
990 | void ieee80211_process_addba_resp(struct ieee80211_local *local, | |
991 | struct sta_info *sta, | |
992 | struct ieee80211_mgmt *mgmt, | |
993 | size_t len); | |
994 | void ieee80211_process_addba_request(struct ieee80211_local *local, | |
995 | struct sta_info *sta, | |
996 | struct ieee80211_mgmt *mgmt, | |
997 | size_t len); | |
998 | ||
39192c0b JB |
999 | /* Spectrum management */ |
1000 | void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata, | |
1001 | struct ieee80211_mgmt *mgmt, | |
1002 | size_t len); | |
1003 | ||
c2d1560a JB |
1004 | /* utility functions/constants */ |
1005 | extern void *mac80211_wiphy_privid; /* for wiphy privid */ | |
1006 | extern const unsigned char rfc1042_header[6]; | |
1007 | extern const unsigned char bridge_tunnel_header[6]; | |
71364716 RR |
1008 | u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, |
1009 | enum ieee80211_if_types type); | |
c2d1560a JB |
1010 | int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, |
1011 | int rate, int erp, int short_preamble); | |
f698d856 | 1012 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
eb063c17 | 1013 | struct ieee80211_hdr *hdr); |
5825fe10 | 1014 | void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); |
e50db65c JB |
1015 | void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, |
1016 | int encrypt); | |
9c6bd790 JB |
1017 | void ieee802_11_parse_elems(u8 *start, size_t len, |
1018 | struct ieee802_11_elems *elems); | |
e16751c3 | 1019 | int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq); |
f0706e82 | 1020 | |
f4ea83dd | 1021 | #ifdef CONFIG_MAC80211_NOINLINE |
d9e8a70f JB |
1022 | #define debug_noinline noinline |
1023 | #else | |
1024 | #define debug_noinline | |
1025 | #endif | |
1026 | ||
f0706e82 | 1027 | #endif /* IEEE80211_I_H */ |