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1/*
2 * Copyright 2002-2005, Instant802 Networks, Inc.
3 * Copyright 2005, Devicescape Software, Inc.
4 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#ifndef IEEE80211_I_H
12#define IEEE80211_I_H
13
14#include <linux/kernel.h>
15#include <linux/device.h>
16#include <linux/if_ether.h>
17#include <linux/interrupt.h>
18#include <linux/list.h>
19#include <linux/netdevice.h>
20#include <linux/skbuff.h>
21#include <linux/workqueue.h>
22#include <linux/types.h>
23#include <linux/spinlock.h>
24#include <net/wireless.h>
25#include "ieee80211_key.h"
26#include "sta_info.h"
27
28/* ieee80211.o internal definitions, etc. These are not included into
29 * low-level drivers. */
30
31#ifndef ETH_P_PAE
32#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
33#endif /* ETH_P_PAE */
34
35#define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08)
36
37struct ieee80211_local;
38
39#define BIT(x) (1 << (x))
40
41#define IEEE80211_ALIGN32_PAD(a) ((4 - ((a) & 3)) & 3)
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
62struct 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
74struct ieee80211_sta_bss {
75 struct list_head list;
76 struct ieee80211_sta_bss *hnext;
77 atomic_t users;
78
79 u8 bssid[ETH_ALEN];
80 u8 ssid[IEEE80211_MAX_SSID_LEN];
81 size_t ssid_len;
82 u16 capability; /* host byte order */
83 int hw_mode;
84 int channel;
85 int freq;
86 int rssi, signal, noise;
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;
93#define IEEE80211_MAX_SUPP_RATES 32
94 u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
95 size_t supp_rates_len;
96 int beacon_int;
97 u64 timestamp;
98
99 int probe_resp;
100 unsigned long last_update;
101
102};
103
104
105typedef enum {
106 TXRX_CONTINUE, TXRX_DROP, TXRX_QUEUED
107} ieee80211_txrx_result;
108
109struct ieee80211_txrx_data {
110 struct sk_buff *skb;
111 struct net_device *dev;
112 struct ieee80211_local *local;
113 struct ieee80211_sub_if_data *sdata;
114 struct sta_info *sta;
115 u16 fc, ethertype;
116 struct ieee80211_key *key;
117 unsigned int fragmented:1; /* whether the MSDU was fragmented */
118 union {
119 struct {
120 struct ieee80211_tx_control *control;
121 unsigned int unicast:1;
122 unsigned int ps_buffered:1;
123 unsigned int short_preamble:1;
124 unsigned int probe_last_frag:1;
125 struct ieee80211_hw_mode *mode;
126 struct ieee80211_rate *rate;
127 /* use this rate (if set) for last fragment; rate can
128 * be set to lower rate for the first fragments, e.g.,
129 * when using CTS protection with IEEE 802.11g. */
130 struct ieee80211_rate *last_frag_rate;
131 int last_frag_hwrate;
132 int mgmt_interface;
133
134 /* Extra fragments (in addition to the first fragment
135 * in skb) */
136 int num_extra_frag;
137 struct sk_buff **extra_frag;
138 } tx;
139 struct {
140 struct ieee80211_rx_status *status;
141 int sent_ps_buffered;
142 int queue;
143 int load;
144 unsigned int in_scan:1;
145 /* frame is destined to interface currently processed
146 * (including multicast frames) */
147 unsigned int ra_match:1;
148 } rx;
149 } u;
150};
151
152/* Stored in sk_buff->cb */
153struct ieee80211_tx_packet_data {
154 int ifindex;
155 unsigned long jiffies;
156 unsigned int req_tx_status:1;
157 unsigned int do_not_encrypt:1;
158 unsigned int requeue:1;
159 unsigned int mgmt_iface:1;
160 unsigned int queue:4;
161};
162
163struct ieee80211_tx_stored_packet {
164 struct ieee80211_tx_control control;
165 struct sk_buff *skb;
166 int num_extra_frag;
167 struct sk_buff **extra_frag;
168 int last_frag_rateidx;
169 int last_frag_hwrate;
170 struct ieee80211_rate *last_frag_rate;
171 unsigned int last_frag_rate_ctrl_probe:1;
172};
173
174typedef ieee80211_txrx_result (*ieee80211_tx_handler)
175(struct ieee80211_txrx_data *tx);
176
177typedef ieee80211_txrx_result (*ieee80211_rx_handler)
178(struct ieee80211_txrx_data *rx);
179
180struct ieee80211_if_ap {
181 u8 *beacon_head, *beacon_tail;
182 int beacon_head_len, beacon_tail_len;
183
184 u8 ssid[IEEE80211_MAX_SSID_LEN];
185 size_t ssid_len;
186 u8 *generic_elem;
187 size_t generic_elem_len;
188
189 /* yes, this looks ugly, but guarantees that we can later use
190 * bitmap_empty :)
191 * NB: don't ever use set_bit, use bss_tim_set/bss_tim_clear! */
192 u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)];
193 atomic_t num_sta_ps; /* number of stations in PS mode */
194 struct sk_buff_head ps_bc_buf;
195 int dtim_period, dtim_count;
196 int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
197 int max_ratectrl_rateidx; /* max TX rateidx for rate control */
198 int num_beacons; /* number of TXed beacon frames for this BSS */
199};
200
201struct ieee80211_if_wds {
202 u8 remote_addr[ETH_ALEN];
203 struct sta_info *sta;
204};
205
206struct ieee80211_if_vlan {
207 u8 id;
208};
209
210struct ieee80211_if_sta {
211 enum {
212 IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
213 IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
214 IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED
215 } state;
216 struct timer_list timer;
217 struct work_struct work;
218 u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
219 u8 ssid[IEEE80211_MAX_SSID_LEN];
220 size_t ssid_len;
221 u16 aid;
222 u16 ap_capab, capab;
223 u8 *extra_ie; /* to be added to the end of AssocReq */
224 size_t extra_ie_len;
225
226 /* The last AssocReq/Resp IEs */
227 u8 *assocreq_ies, *assocresp_ies;
228 size_t assocreq_ies_len, assocresp_ies_len;
229
230 int auth_tries, assoc_tries;
231
232 unsigned int ssid_set:1;
233 unsigned int bssid_set:1;
234 unsigned int prev_bssid_set:1;
235 unsigned int authenticated:1;
236 unsigned int associated:1;
237 unsigned int probereq_poll:1;
238 unsigned int use_protection:1;
239 unsigned int create_ibss:1;
240 unsigned int mixed_cell:1;
241 unsigned int wmm_enabled:1;
242 unsigned int auto_ssid_sel:1;
243 unsigned int auto_bssid_sel:1;
244 unsigned int auto_channel_sel:1;
245#define IEEE80211_STA_REQ_SCAN 0
246#define IEEE80211_STA_REQ_AUTH 1
247#define IEEE80211_STA_REQ_RUN 2
248 unsigned long request;
249 struct sk_buff_head skb_queue;
250
251 int key_mgmt;
252 unsigned long last_probe;
253
254#define IEEE80211_AUTH_ALG_OPEN BIT(0)
255#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
256#define IEEE80211_AUTH_ALG_LEAP BIT(2)
257 unsigned int auth_algs; /* bitfield of allowed auth algs */
258 int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
259 int auth_transaction;
260
261 unsigned long ibss_join_req;
262 struct sk_buff *probe_resp; /* ProbeResp template for IBSS */
263 u32 supp_rates_bits;
264
265 int wmm_last_param_set;
266};
267
268
269struct ieee80211_sub_if_data {
270 struct list_head list;
271 unsigned int type;
272
273 struct wireless_dev wdev;
274
275 struct net_device *dev;
276 struct ieee80211_local *local;
277
278 int mc_count;
279 unsigned int allmulti:1;
280 unsigned int promisc:1;
281
282 struct net_device_stats stats;
283 int drop_unencrypted;
284 int eapol; /* 0 = process EAPOL frames as normal data frames,
285 * 1 = send EAPOL frames through wlan#ap to hostapd
286 * (default) */
287 int ieee802_1x; /* IEEE 802.1X PAE - drop packet to/from unauthorized
288 * port */
289
290 u16 sequence;
291
292 /* Fragment table for host-based reassembly */
293 struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
294 unsigned int fragment_next;
295
296#define NUM_DEFAULT_KEYS 4
297 struct ieee80211_key *keys[NUM_DEFAULT_KEYS];
298 struct ieee80211_key *default_key;
299
300 struct ieee80211_if_ap *bss; /* BSS that this device belongs to */
301
302 union {
303 struct ieee80211_if_ap ap;
304 struct ieee80211_if_wds wds;
305 struct ieee80211_if_vlan vlan;
306 struct ieee80211_if_sta sta;
307 } u;
308 int channel_use;
309 int channel_use_raw;
310};
311
312#define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev)
313
314enum {
315 IEEE80211_RX_MSG = 1,
316 IEEE80211_TX_STATUS_MSG = 2,
317};
318
319struct ieee80211_local {
320 /* embed the driver visible part.
321 * don't cast (use the static inlines below), but we keep
322 * it first anyway so they become a no-op */
323 struct ieee80211_hw hw;
324
325 const struct ieee80211_ops *ops;
326
327 /* List of registered struct ieee80211_hw_mode */
328 struct list_head modes_list;
329
330 struct net_device *mdev; /* wmaster# - "master" 802.11 device */
331 struct net_device *apdev; /* wlan#ap - management frames (hostapd) */
332 int open_count;
333 int monitors;
334 struct iw_statistics wstats;
335 u8 wstats_flags;
336
337 enum {
338 IEEE80211_DEV_UNINITIALIZED = 0,
339 IEEE80211_DEV_REGISTERED,
340 IEEE80211_DEV_UNREGISTERED,
341 } reg_state;
342
343 /* Tasklet and skb queue to process calls from IRQ mode. All frames
344 * added to skb_queue will be processed, but frames in
345 * skb_queue_unreliable may be dropped if the total length of these
346 * queues increases over the limit. */
347#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
348 struct tasklet_struct tasklet;
349 struct sk_buff_head skb_queue;
350 struct sk_buff_head skb_queue_unreliable;
351
352 /* Station data structures */
353 spinlock_t sta_lock; /* mutex for STA data structures */
354 int num_sta; /* number of stations in sta_list */
355 struct list_head sta_list;
356 struct list_head deleted_sta_list;
357 struct sta_info *sta_hash[STA_HASH_SIZE];
358 struct timer_list sta_cleanup;
359
360 unsigned long state[NUM_TX_DATA_QUEUES];
361 struct ieee80211_tx_stored_packet pending_packet[NUM_TX_DATA_QUEUES];
362 struct tasklet_struct tx_pending_tasklet;
363
364 int mc_count; /* total count of multicast entries in all interfaces */
365 int iff_allmultis, iff_promiscs;
366 /* number of interfaces with corresponding IFF_ flags */
367
368 struct rate_control_ref *rate_ctrl;
369
370 int next_mode; /* MODE_IEEE80211*
371 * The mode preference for next channel change. This is
372 * used to select .11g vs. .11b channels (or 4.9 GHz vs.
373 * .11a) when the channel number is not unique. */
374
375 /* Supported and basic rate filters for different modes. These are
376 * pointers to -1 terminated lists and rates in 100 kbps units. */
377 int *supp_rates[NUM_IEEE80211_MODES];
378 int *basic_rates[NUM_IEEE80211_MODES];
379
380 int rts_threshold;
381 int cts_protect_erp_frames;
382 int fragmentation_threshold;
383 int short_retry_limit; /* dot11ShortRetryLimit */
384 int long_retry_limit; /* dot11LongRetryLimit */
385 int short_preamble; /* use short preamble with IEEE 802.11b */
386
387 struct crypto_blkcipher *wep_tx_tfm;
388 struct crypto_blkcipher *wep_rx_tfm;
389 u32 wep_iv;
390 int key_tx_rx_threshold; /* number of times any key can be used in TX
391 * or RX before generating a rekey
392 * notification; 0 = notification disabled. */
393
394 int bridge_packets; /* bridge packets between associated stations and
395 * deliver multicast frames both back to wireless
396 * media and to the local net stack */
397
398 ieee80211_rx_handler *rx_pre_handlers;
399 ieee80211_rx_handler *rx_handlers;
400 ieee80211_tx_handler *tx_handlers;
401
402 rwlock_t sub_if_lock; /* Protects sub_if_list. Cannot be taken under
403 * sta_bss_lock or sta_lock. */
404 struct list_head sub_if_list;
405 int sta_scanning;
406 int scan_channel_idx;
407 enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
408 unsigned long last_scan_completed;
409 struct delayed_work scan_work;
410 struct net_device *scan_dev;
411 struct ieee80211_channel *oper_channel, *scan_channel;
412 struct ieee80211_hw_mode *oper_hw_mode, *scan_hw_mode;
413 u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
414 size_t scan_ssid_len;
415 struct list_head sta_bss_list;
416 struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
417 spinlock_t sta_bss_lock;
418#define IEEE80211_SCAN_MATCH_SSID BIT(0)
419#define IEEE80211_SCAN_WPA_ONLY BIT(1)
420#define IEEE80211_SCAN_EXTRA_INFO BIT(2)
421 int scan_flags;
422
423 /* SNMP counters */
424 /* dot11CountersTable */
425 u32 dot11TransmittedFragmentCount;
426 u32 dot11MulticastTransmittedFrameCount;
427 u32 dot11FailedCount;
428 u32 dot11RetryCount;
429 u32 dot11MultipleRetryCount;
430 u32 dot11FrameDuplicateCount;
431 u32 dot11ReceivedFragmentCount;
432 u32 dot11MulticastReceivedFrameCount;
433 u32 dot11TransmittedFrameCount;
434 u32 dot11WEPUndecryptableCount;
435
436#ifdef CONFIG_MAC80211_LEDS
437 int tx_led_counter, rx_led_counter;
438 struct led_trigger *tx_led, *rx_led;
439 char tx_led_name[32], rx_led_name[32];
440#endif
441
442 u32 channel_use;
443 u32 channel_use_raw;
444 u32 stat_time;
445 struct timer_list stat_timer;
446
447 enum {
448 STA_ANTENNA_SEL_AUTO = 0,
449 STA_ANTENNA_SEL_SW_CTRL = 1,
450 STA_ANTENNA_SEL_SW_CTRL_DEBUG = 2
451 } sta_antenna_sel;
452
453 int rate_ctrl_num_up, rate_ctrl_num_down;
454
455#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
456 /* TX/RX handler statistics */
457 unsigned int tx_handlers_drop;
458 unsigned int tx_handlers_queued;
459 unsigned int tx_handlers_drop_unencrypted;
460 unsigned int tx_handlers_drop_fragment;
461 unsigned int tx_handlers_drop_wep;
462 unsigned int tx_handlers_drop_not_assoc;
463 unsigned int tx_handlers_drop_unauth_port;
464 unsigned int rx_handlers_drop;
465 unsigned int rx_handlers_queued;
466 unsigned int rx_handlers_drop_nullfunc;
467 unsigned int rx_handlers_drop_defrag;
468 unsigned int rx_handlers_drop_short;
469 unsigned int rx_handlers_drop_passive_scan;
470 unsigned int tx_expand_skb_head;
471 unsigned int tx_expand_skb_head_cloned;
472 unsigned int rx_expand_skb_head;
473 unsigned int rx_expand_skb_head2;
474 unsigned int rx_handlers_fragments;
475 unsigned int tx_status_drop;
476 unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES];
477 unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES];
478#define I802_DEBUG_INC(c) (c)++
479#else /* CONFIG_MAC80211_DEBUG_COUNTERS */
480#define I802_DEBUG_INC(c) do { } while (0)
481#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
482
483
484 int default_wep_only; /* only default WEP keys are used with this
485 * interface; this is used to decide when hwaccel
486 * can be used with default keys */
487 int total_ps_buffered; /* total number of all buffered unicast and
488 * multicast packets for power saving stations
489 */
490 int allow_broadcast_always; /* whether to allow TX of broadcast frames
491 * even when there are no associated STAs
492 */
493
494 int wifi_wme_noack_test;
495 unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */
496
497 unsigned int enabled_modes; /* bitfield of allowed modes;
498 * (1 << MODE_*) */
499 unsigned int hw_modes; /* bitfield of supported hardware modes;
500 * (1 << MODE_*) */
501
502 int user_space_mlme;
503};
504
505static inline struct ieee80211_local *hw_to_local(
506 struct ieee80211_hw *hw)
507{
508 return container_of(hw, struct ieee80211_local, hw);
509}
510
511static inline struct ieee80211_hw *local_to_hw(
512 struct ieee80211_local *local)
513{
514 return &local->hw;
515}
516
517enum ieee80211_link_state_t {
518 IEEE80211_LINK_STATE_XOFF = 0,
519 IEEE80211_LINK_STATE_PENDING,
520};
521
522struct sta_attribute {
523 struct attribute attr;
524 ssize_t (*show)(const struct sta_info *, char *buf);
525 ssize_t (*store)(struct sta_info *, const char *buf, size_t count);
526};
527
528static inline void __bss_tim_set(struct ieee80211_if_ap *bss, int aid)
529{
530 /*
531 * This format has ben mandated by the IEEE specifications,
532 * so this line may not be changed to use the __set_bit() format.
533 */
534 bss->tim[(aid)/8] |= 1<<((aid) % 8);
535}
536
537static inline void bss_tim_set(struct ieee80211_local *local,
538 struct ieee80211_if_ap *bss, int aid)
539{
540 spin_lock_bh(&local->sta_lock);
541 __bss_tim_set(bss, aid);
542 spin_unlock_bh(&local->sta_lock);
543}
544
545static inline void __bss_tim_clear(struct ieee80211_if_ap *bss, int aid)
546{
547 /*
548 * This format has ben mandated by the IEEE specifications,
549 * so this line may not be changed to use the __clear_bit() format.
550 */
551 bss->tim[(aid)/8] &= !(1<<((aid) % 8));
552}
553
554static inline void bss_tim_clear(struct ieee80211_local *local,
555 struct ieee80211_if_ap *bss, int aid)
556{
557 spin_lock_bh(&local->sta_lock);
558 __bss_tim_clear(bss, aid);
559 spin_unlock_bh(&local->sta_lock);
560}
561
562/**
563 * ieee80211_is_erp_rate - Check if a rate is an ERP rate
564 * @phymode: The PHY-mode for this rate (MODE_IEEE80211...)
565 * @rate: Transmission rate to check, in 100 kbps
566 *
567 * Check if a given rate is an Extended Rate PHY (ERP) rate.
568 */
569static inline int ieee80211_is_erp_rate(int phymode, int rate)
570{
571 if (phymode == MODE_IEEE80211G) {
572 if (rate != 10 && rate != 20 &&
573 rate != 55 && rate != 110)
574 return 1;
575 }
576 return 0;
577}
578
579/* ieee80211.c */
580int ieee80211_hw_config(struct ieee80211_local *local);
581int ieee80211_if_config(struct net_device *dev);
582int ieee80211_if_config_beacon(struct net_device *dev);
583struct ieee80211_key_conf *
584ieee80211_key_data2conf(struct ieee80211_local *local,
585 const struct ieee80211_key *data);
586struct ieee80211_key *ieee80211_key_alloc(struct ieee80211_sub_if_data *sdata,
587 int idx, size_t key_len, gfp_t flags);
588void ieee80211_key_free(struct ieee80211_key *key);
589void ieee80211_rx_mgmt(struct ieee80211_local *local, struct sk_buff *skb,
590 struct ieee80211_rx_status *status, u32 msg_type);
591void ieee80211_prepare_rates(struct ieee80211_local *local,
592 struct ieee80211_hw_mode *mode);
593void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx);
594int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr);
595void ieee80211_if_setup(struct net_device *dev);
596void ieee80211_if_mgmt_setup(struct net_device *dev);
597int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
598 const char *name);
599struct net_device_stats *ieee80211_dev_stats(struct net_device *dev);
600
601/* ieee80211_ioctl.c */
602extern const struct iw_handler_def ieee80211_iw_handler_def;
603
604void ieee80211_update_default_wep_only(struct ieee80211_local *local);
605
606
607/* Least common multiple of the used rates (in 100 kbps). This is used to
608 * calculate rate_inv values for each rate so that only integers are needed. */
609#define CHAN_UTIL_RATE_LCM 95040
610/* 1 usec is 1/8 * (95040/10) = 1188 */
611#define CHAN_UTIL_PER_USEC 1188
612/* Amount of bits to shift the result right to scale the total utilization
613 * to values that will not wrap around 32-bit integers. */
614#define CHAN_UTIL_SHIFT 9
615/* Theoretical maximum of channel utilization counter in 10 ms (stat_time=1):
616 * (CHAN_UTIL_PER_USEC * 10000) >> CHAN_UTIL_SHIFT = 23203. So dividing the
617 * raw value with about 23 should give utilization in 10th of a percentage
618 * (1/1000). However, utilization is only estimated and not all intervals
619 * between frames etc. are calculated. 18 seems to give numbers that are closer
620 * to the real maximum. */
621#define CHAN_UTIL_PER_10MS 18
622#define CHAN_UTIL_HDR_LONG (202 * CHAN_UTIL_PER_USEC)
623#define CHAN_UTIL_HDR_SHORT (40 * CHAN_UTIL_PER_USEC)
624
625
626/* ieee80211_ioctl.c */
627int ieee80211_set_compression(struct ieee80211_local *local,
628 struct net_device *dev, struct sta_info *sta);
629int ieee80211_init_client(struct net_device *dev);
630int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq);
631/* ieee80211_sta.c */
632void ieee80211_sta_timer(unsigned long data);
633void ieee80211_sta_work(struct work_struct *work);
634void ieee80211_sta_scan_work(struct work_struct *work);
635void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
636 struct ieee80211_rx_status *rx_status);
637int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len);
638int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len);
639int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid);
640int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len);
641void ieee80211_sta_req_auth(struct net_device *dev,
642 struct ieee80211_if_sta *ifsta);
643int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len);
644void ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb,
645 struct ieee80211_rx_status *rx_status);
646void ieee80211_rx_bss_list_init(struct net_device *dev);
647void ieee80211_rx_bss_list_deinit(struct net_device *dev);
648int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len);
649struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev,
650 struct sk_buff *skb, u8 *bssid,
651 u8 *addr);
652int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason);
653int ieee80211_sta_disassociate(struct net_device *dev, u16 reason);
654
655/* ieee80211_iface.c */
656int ieee80211_if_add(struct net_device *dev, const char *name,
657 struct net_device **new_dev, int type);
658void ieee80211_if_set_type(struct net_device *dev, int type);
659void ieee80211_if_reinit(struct net_device *dev);
660void __ieee80211_if_del(struct ieee80211_local *local,
661 struct ieee80211_sub_if_data *sdata);
662int ieee80211_if_remove(struct net_device *dev, const char *name, int id);
663void ieee80211_if_free(struct net_device *dev);
664void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata);
665int ieee80211_if_add_mgmt(struct ieee80211_local *local);
666void ieee80211_if_del_mgmt(struct ieee80211_local *local);
667
668/* for wiphy privid */
669extern void *mac80211_wiphy_privid;
670
671#endif /* IEEE80211_I_H */