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Jiri Bencf0706e82007-05-05 11:45:53 -07001/*
2 * Copyright 2002-2005, Instant802 Networks, Inc.
3 * Copyright 2005, Devicescape Software, Inc.
4 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
Jouni Malinen026331c2010-02-15 12:53:10 +02005 * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
Jiri Bencf0706e82007-05-05 11:45:53 -07006 *
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>
Johannes Berg571ecf62007-07-27 15:43:22 +020025#include <linux/etherdevice.h>
Johannes Berge1e54062010-11-30 08:58:45 +010026#include <linux/leds.h>
Johannes Berga729cff2011-11-06 14:13:34 +010027#include <linux/idr.h>
Johannes Bergfe7a5d52009-11-18 18:42:47 +010028#include <net/ieee80211_radiotap.h>
colin@cozybit.com93da9cc2008-10-21 12:03:48 -070029#include <net/cfg80211.h>
David S. Miller51cb6db2008-07-15 03:34:57 -070030#include <net/mac80211.h>
Johannes Berg2c8dccc2008-04-08 15:14:40 -040031#include "key.h"
Jiri Bencf0706e82007-05-05 11:45:53 -070032#include "sta_info.h"
33
Johannes Berg9cfb0002008-04-03 15:17:31 +020034struct ieee80211_local;
Jiri Bencf0706e82007-05-05 11:45:53 -070035
36/* Maximum number of broadcast/multicast frames to buffer when some of the
37 * associated stations are using power saving. */
38#define AP_MAX_BC_BUFFER 128
39
40/* Maximum number of frames buffered to all STAs, including multicast frames.
41 * Note: increasing this limit increases the potential memory requirement. Each
42 * frame can be up to about 2 kB long. */
43#define TOTAL_MAX_TX_BUFFER 512
44
45/* Required encryption head and tailroom */
46#define IEEE80211_ENCRYPT_HEADROOM 8
Jouni Malinen765cb462009-01-08 13:32:01 +020047#define IEEE80211_ENCRYPT_TAILROOM 18
Jiri Bencf0706e82007-05-05 11:45:53 -070048
49/* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent
50 * reception of at least three fragmented frames. This limit can be increased
51 * by changing this define, at the cost of slower frame reassembly and
52 * increased memory use (about 2 kB of RAM per entry). */
53#define IEEE80211_FRAGMENT_MAX 4
54
Johannes Berg20ad19d2009-02-10 21:25:45 +010055#define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024))
56
Kalle Valoab133152010-01-12 10:42:31 +020057#define IEEE80211_DEFAULT_UAPSD_QUEUES \
58 (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \
59 IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \
60 IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \
61 IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
62
63#define IEEE80211_DEFAULT_MAX_SP_LEN \
64 IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
65
Jiri Bencf0706e82007-05-05 11:45:53 -070066struct ieee80211_fragment_entry {
67 unsigned long first_frag_time;
68 unsigned int seq;
69 unsigned int rx_queue;
70 unsigned int last_frag;
71 unsigned int extra_len;
72 struct sk_buff_head skb_list;
73 int ccmp; /* Whether fragments were encrypted with CCMP */
74 u8 last_pn[6]; /* PN of the last fragment if CCMP was used */
75};
76
77
Johannes Bergc2b13452008-09-11 00:01:55 +020078struct ieee80211_bss {
Johannes Berg00d3f142009-02-10 21:26:00 +010079 /* don't want to look up all the time */
Johannes Berg056cdd52008-03-26 23:21:47 +010080 size_t ssid_len;
Jiri Bencf0706e82007-05-05 11:45:53 -070081 u8 ssid[IEEE80211_MAX_SSID_LEN];
Johannes Berg00d3f142009-02-10 21:26:00 +010082
Emmanuel Grumbach98f7dfd2008-07-18 13:52:59 +080083 u8 dtim_period;
Johannes Berg00d3f142009-02-10 21:26:00 +010084
Jouni Malinen43ac2ca2008-08-15 22:21:27 +030085 bool wmm_used;
Kalle Valoab133152010-01-12 10:42:31 +020086 bool uapsd_supported;
Johannes Berg00d3f142009-02-10 21:26:00 +010087
88 unsigned long last_probe_resp;
89
Luis Carlos Coboee385852008-02-23 15:17:11 +010090#ifdef CONFIG_MAC80211_MESH
91 u8 *mesh_id;
92 size_t mesh_id_len;
John W. Linville24736702008-04-08 14:15:46 -040093 u8 *mesh_cfg;
Johannes Berg902acc72008-02-23 15:17:19 +010094#endif
Johannes Berg00d3f142009-02-10 21:26:00 +010095
Jiri Bencf0706e82007-05-05 11:45:53 -070096#define IEEE80211_MAX_SUPP_RATES 32
97 u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
98 size_t supp_rates_len;
Jiri Bencf0706e82007-05-05 11:45:53 -070099
Johannes Berg00d3f142009-02-10 21:26:00 +0100100 /*
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300101 * During association, we save an ERP value from a probe response so
Daniel Drake56282212007-07-10 19:32:10 +0200102 * that we can feed ERP info to the driver when handling the
103 * association completes. these fields probably won't be up-to-date
Johannes Berg00d3f142009-02-10 21:26:00 +0100104 * otherwise, you probably don't want to use them.
105 */
106 bool has_erp_value;
Daniel Drake56282212007-07-10 19:32:10 +0200107 u8 erp_value;
Jiri Bencf0706e82007-05-05 11:45:53 -0700108};
109
Johannes Bergc2b13452008-09-11 00:01:55 +0200110static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss)
Johannes Berg902acc72008-02-23 15:17:19 +0100111{
112#ifdef CONFIG_MAC80211_MESH
113 return bss->mesh_cfg;
114#endif
115 return NULL;
116}
117
Johannes Bergc2b13452008-09-11 00:01:55 +0200118static inline u8 *bss_mesh_id(struct ieee80211_bss *bss)
Johannes Berg902acc72008-02-23 15:17:19 +0100119{
120#ifdef CONFIG_MAC80211_MESH
121 return bss->mesh_id;
122#endif
123 return NULL;
124}
125
Johannes Bergc2b13452008-09-11 00:01:55 +0200126static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss)
Johannes Berg902acc72008-02-23 15:17:19 +0100127{
128#ifdef CONFIG_MAC80211_MESH
129 return bss->mesh_id_len;
130#endif
131 return 0;
132}
133
Jiri Bencf0706e82007-05-05 11:45:53 -0700134
Johannes Berg9ae54c82008-01-31 19:48:20 +0100135typedef unsigned __bitwise__ ieee80211_tx_result;
136#define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
137#define TX_DROP ((__force ieee80211_tx_result) 1u)
138#define TX_QUEUED ((__force ieee80211_tx_result) 2u)
139
Johannes Berg5cf121c2008-02-25 16:27:43 +0100140#define IEEE80211_TX_UNICAST BIT(1)
141#define IEEE80211_TX_PS_BUFFERED BIT(2)
Johannes Berg9ae54c82008-01-31 19:48:20 +0100142
Johannes Berg5cf121c2008-02-25 16:27:43 +0100143struct ieee80211_tx_data {
Jiri Bencf0706e82007-05-05 11:45:53 -0700144 struct sk_buff *skb;
Johannes Berg252b86c2011-11-16 15:28:55 +0100145 struct sk_buff_head skbs;
Jiri Bencf0706e82007-05-05 11:45:53 -0700146 struct ieee80211_local *local;
147 struct ieee80211_sub_if_data *sdata;
148 struct sta_info *sta;
Jiri Bencf0706e82007-05-05 11:45:53 -0700149 struct ieee80211_key *key;
Jiri Bencf0706e82007-05-05 11:45:53 -0700150
Johannes Berg5cf121c2008-02-25 16:27:43 +0100151 struct ieee80211_channel *channel;
Johannes Berg5cf121c2008-02-25 16:27:43 +0100152
Johannes Berg056cdd52008-03-26 23:21:47 +0100153 unsigned int flags;
Johannes Berg5cf121c2008-02-25 16:27:43 +0100154};
155
156
157typedef unsigned __bitwise__ ieee80211_rx_result;
158#define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
159#define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u)
160#define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
161#define RX_QUEUED ((__force ieee80211_rx_result) 3u)
162
Johannes Berg554891e2010-09-24 12:38:25 +0200163/**
164 * enum ieee80211_packet_rx_flags - packet RX flags
165 * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed
166 * (incl. multicast frames)
167 * @IEEE80211_RX_IN_SCAN: received while scanning
168 * @IEEE80211_RX_FRAGMENTED: fragmented frame
169 * @IEEE80211_RX_AMSDU: a-MSDU packet
170 * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed
Christian Lamparter4cfda472010-12-27 23:21:26 +0100171 * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering
Johannes Berg554891e2010-09-24 12:38:25 +0200172 *
173 * These are per-frame flags that are attached to a frame in the
174 * @rx_flags field of &struct ieee80211_rx_status.
175 */
176enum ieee80211_packet_rx_flags {
177 IEEE80211_RX_IN_SCAN = BIT(0),
178 IEEE80211_RX_RA_MATCH = BIT(1),
179 IEEE80211_RX_FRAGMENTED = BIT(2),
180 IEEE80211_RX_AMSDU = BIT(3),
181 IEEE80211_RX_MALFORMED_ACTION_FRM = BIT(4),
Christian Lamparter4cfda472010-12-27 23:21:26 +0100182 IEEE80211_RX_DEFERRED_RELEASE = BIT(5),
Johannes Berg554891e2010-09-24 12:38:25 +0200183};
184
185/**
186 * enum ieee80211_rx_flags - RX data flags
187 *
188 * @IEEE80211_RX_CMNTR: received on cooked monitor already
Johannes Bergee971922011-11-04 11:18:18 +0100189 * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported
190 * to cfg80211_report_obss_beacon().
Johannes Berg554891e2010-09-24 12:38:25 +0200191 *
192 * These flags are used across handling multiple interfaces
193 * for a single frame.
194 */
195enum ieee80211_rx_flags {
196 IEEE80211_RX_CMNTR = BIT(0),
Johannes Bergee971922011-11-04 11:18:18 +0100197 IEEE80211_RX_BEACON_REPORTED = BIT(1),
Johannes Berg554891e2010-09-24 12:38:25 +0200198};
Johannes Berg5cf121c2008-02-25 16:27:43 +0100199
200struct ieee80211_rx_data {
201 struct sk_buff *skb;
Johannes Berg5cf121c2008-02-25 16:27:43 +0100202 struct ieee80211_local *local;
203 struct ieee80211_sub_if_data *sdata;
204 struct sta_info *sta;
Johannes Berg5cf121c2008-02-25 16:27:43 +0100205 struct ieee80211_key *key;
Johannes Berg056cdd52008-03-26 23:21:47 +0100206
Johannes Berg056cdd52008-03-26 23:21:47 +0100207 unsigned int flags;
Johannes Berg9e262972011-07-07 18:45:03 +0200208
209 /*
210 * Index into sequence numbers array, 0..16
211 * since the last (16) is used for non-QoS,
212 * will be 16 on non-QoS frames.
213 */
214 int seqno_idx;
215
216 /*
217 * Index into the security IV/PN arrays, 0..16
218 * since the last (16) is used for CCMP-encrypted
219 * management frames, will be set to 16 on mgmt
220 * frames and 0 on non-QoS frames.
221 */
222 int security_idx;
223
Johannes Berg5cf121c2008-02-25 16:27:43 +0100224 u32 tkip_iv32;
225 u16 tkip_iv16;
Jiri Bencf0706e82007-05-05 11:45:53 -0700226};
227
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100228struct beacon_data {
229 u8 *head, *tail;
230 int head_len, tail_len;
231 int dtim_period;
232};
233
Jiri Bencf0706e82007-05-05 11:45:53 -0700234struct ieee80211_if_ap {
Johannes Berg40b275b2011-05-13 14:15:49 +0200235 struct beacon_data __rcu *beacon;
Arik Nemtsov02945822011-11-10 11:28:57 +0200236 struct sk_buff __rcu *probe_resp;
Jiri Bencf0706e82007-05-05 11:45:53 -0700237
Johannes Berg0ec3ca42007-09-17 01:29:24 -0400238 struct list_head vlans;
239
Jiri Bencf0706e82007-05-05 11:45:53 -0700240 /* yes, this looks ugly, but guarantees that we can later use
241 * bitmap_empty :)
Johannes Berg004c8722008-02-20 11:21:35 +0100242 * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */
Jiri Bencf0706e82007-05-05 11:45:53 -0700243 u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)];
Jiri Bencf0706e82007-05-05 11:45:53 -0700244 struct sk_buff_head ps_bc_buf;
Johannes Berg056cdd52008-03-26 23:21:47 +0100245 atomic_t num_sta_ps; /* number of stations in PS mode */
Johannes Berg29623892011-12-14 12:20:31 +0100246 atomic_t num_sta_authorized; /* number of authorized stations */
Johannes Berg5dfdaf52007-12-19 02:03:33 +0100247 int dtim_count;
Christian Lamparter512119b2011-01-31 20:48:44 +0200248 bool dtim_bc_mc;
Jiri Bencf0706e82007-05-05 11:45:53 -0700249};
250
251struct ieee80211_if_wds {
Jiri Bencf0706e82007-05-05 11:45:53 -0700252 struct sta_info *sta;
Johannes Berg056cdd52008-03-26 23:21:47 +0100253 u8 remote_addr[ETH_ALEN];
Jiri Bencf0706e82007-05-05 11:45:53 -0700254};
255
256struct ieee80211_if_vlan {
Johannes Berg0ec3ca42007-09-17 01:29:24 -0400257 struct list_head list;
Felix Fietkauf14543ee2009-11-10 20:10:05 +0100258
259 /* used for all tx if the VLAN is configured to 4-addr mode */
Johannes Berg40b275b2011-05-13 14:15:49 +0200260 struct sta_info __rcu *sta;
Jiri Bencf0706e82007-05-05 11:45:53 -0700261};
262
Luis Carlos Coboee385852008-02-23 15:17:11 +0100263struct mesh_stats {
Daniel Walkerc8a61a72009-08-18 10:59:00 -0700264 __u32 fwded_mcast; /* Mesh forwarded multicast frames */
265 __u32 fwded_unicast; /* Mesh forwarded unicast frames */
266 __u32 fwded_frames; /* Mesh total forwarded frames */
Luis Carlos Coboee385852008-02-23 15:17:11 +0100267 __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/
268 __u32 dropped_frames_no_route; /* Not transmitted, no route found */
Javier Cardonacfee66b2011-09-06 13:05:21 -0700269 __u32 dropped_frames_congestion;/* Not forwarded due to congestion */
Luis Carlos Coboee385852008-02-23 15:17:11 +0100270 atomic_t estab_plinks;
271};
272
273#define PREQ_Q_F_START 0x1
274#define PREQ_Q_F_REFRESH 0x2
275struct mesh_preq_queue {
276 struct list_head list;
277 u8 dst[ETH_ALEN];
278 u8 flags;
279};
280
Johannes Bergf679f652009-12-23 13:15:34 +0100281enum ieee80211_work_type {
Johannes Bergb8bc4b02009-12-23 13:15:42 +0100282 IEEE80211_WORK_ABORT,
Johannes Bergaf6b6372009-12-23 13:15:35 +0100283 IEEE80211_WORK_DIRECT_PROBE,
Johannes Bergf679f652009-12-23 13:15:34 +0100284 IEEE80211_WORK_AUTH,
Johannes Berge5b900d2010-07-29 16:08:55 +0200285 IEEE80211_WORK_ASSOC_BEACON_WAIT,
Johannes Bergf679f652009-12-23 13:15:34 +0100286 IEEE80211_WORK_ASSOC,
Johannes Bergb8bc4b02009-12-23 13:15:42 +0100287 IEEE80211_WORK_REMAIN_ON_CHANNEL,
Johannes Bergf30221e2010-11-25 10:02:30 +0100288 IEEE80211_WORK_OFFCHANNEL_TX,
Johannes Berg77fdaa12009-07-07 03:45:17 +0200289};
290
Johannes Bergaf6b6372009-12-23 13:15:35 +0100291/**
292 * enum work_done_result - indicates what to do after work was done
293 *
294 * @WORK_DONE_DESTROY: This work item is no longer needed, destroy.
295 * @WORK_DONE_REQUEUE: This work item was reset to be reused, and
296 * should be requeued.
297 */
298enum work_done_result {
299 WORK_DONE_DESTROY,
300 WORK_DONE_REQUEUE,
301};
302
Johannes Bergf679f652009-12-23 13:15:34 +0100303struct ieee80211_work {
Johannes Berg77fdaa12009-07-07 03:45:17 +0200304 struct list_head list;
Johannes Bergf679f652009-12-23 13:15:34 +0100305
Johannes Bergaf6b6372009-12-23 13:15:35 +0100306 struct rcu_head rcu_head;
307
308 struct ieee80211_sub_if_data *sdata;
309
310 enum work_done_result (*done)(struct ieee80211_work *wk,
311 struct sk_buff *skb);
312
Johannes Bergf679f652009-12-23 13:15:34 +0100313 struct ieee80211_channel *chan;
Johannes Berge4da8c32009-12-23 13:15:43 +0100314 enum nl80211_channel_type chan_type;
Johannes Bergaf6b6372009-12-23 13:15:35 +0100315
Johannes Berg77fdaa12009-07-07 03:45:17 +0200316 unsigned long timeout;
Johannes Bergf679f652009-12-23 13:15:34 +0100317 enum ieee80211_work_type type;
Johannes Berg77fdaa12009-07-07 03:45:17 +0200318
Johannes Bergaf6b6372009-12-23 13:15:35 +0100319 u8 filter_ta[ETH_ALEN];
320
Johannes Berge4da8c32009-12-23 13:15:43 +0100321 bool started;
322
Johannes Bergf679f652009-12-23 13:15:34 +0100323 union {
324 struct {
325 int tries;
326 u16 algorithm, transaction;
327 u8 ssid[IEEE80211_MAX_SSID_LEN];
328 u8 ssid_len;
Johannes Bergf679f652009-12-23 13:15:34 +0100329 u8 key[WLAN_KEY_LEN_WEP104];
330 u8 key_len, key_idx;
331 bool privacy;
Johannes Bergb2abb6e2011-07-19 10:39:53 +0200332 bool synced;
Johannes Bergaf6b6372009-12-23 13:15:35 +0100333 } probe_auth;
Johannes Bergf679f652009-12-23 13:15:34 +0100334 struct {
Johannes Berg0c1ad2c2009-12-23 13:15:39 +0100335 struct cfg80211_bss *bss;
Johannes Bergf679f652009-12-23 13:15:34 +0100336 const u8 *supp_rates;
337 const u8 *ht_information_ie;
Johannes Bergaf6b6372009-12-23 13:15:35 +0100338 enum ieee80211_smps_mode smps;
Johannes Bergf679f652009-12-23 13:15:34 +0100339 int tries;
340 u16 capability;
Johannes Bergaf6b6372009-12-23 13:15:35 +0100341 u8 prev_bssid[ETH_ALEN];
Johannes Bergf679f652009-12-23 13:15:34 +0100342 u8 ssid[IEEE80211_MAX_SSID_LEN];
343 u8 ssid_len;
344 u8 supp_rates_len;
Kalle Valoab133152010-01-12 10:42:31 +0200345 bool wmm_used, use_11n, uapsd_used;
Johannes Bergb2abb6e2011-07-19 10:39:53 +0200346 bool synced;
Johannes Bergf679f652009-12-23 13:15:34 +0100347 } assoc;
Johannes Bergb8bc4b02009-12-23 13:15:42 +0100348 struct {
Johannes Berge4da8c32009-12-23 13:15:43 +0100349 u32 duration;
Johannes Bergb8bc4b02009-12-23 13:15:42 +0100350 } remain;
Johannes Bergf30221e2010-11-25 10:02:30 +0100351 struct {
352 struct sk_buff *frame;
353 u32 wait;
Johannes Berg28a1bcd2011-10-04 18:27:10 +0200354 bool status;
Johannes Bergf30221e2010-11-25 10:02:30 +0100355 } offchan_tx;
Johannes Bergf679f652009-12-23 13:15:34 +0100356 };
Johannes Berg77fdaa12009-07-07 03:45:17 +0200357
Johannes Bergf679f652009-12-23 13:15:34 +0100358 int ie_len;
Johannes Berg77fdaa12009-07-07 03:45:17 +0200359 /* must be last */
Johannes Bergf679f652009-12-23 13:15:34 +0100360 u8 ie[0];
Johannes Berg77fdaa12009-07-07 03:45:17 +0200361};
362
Johannes Berg46900292009-02-15 12:44:28 +0100363/* flags used in struct ieee80211_if_managed.flags */
Johannes Bergab1faea2009-07-01 21:41:17 +0200364enum ieee80211_sta_flags {
Johannes Bergb291ba12009-07-10 15:29:03 +0200365 IEEE80211_STA_BEACON_POLL = BIT(0),
366 IEEE80211_STA_CONNECTION_POLL = BIT(1),
367 IEEE80211_STA_CONTROL_PORT = BIT(2),
Johannes Bergb291ba12009-07-10 15:29:03 +0200368 IEEE80211_STA_DISABLE_11N = BIT(4),
369 IEEE80211_STA_CSA_RECEIVED = BIT(5),
370 IEEE80211_STA_MFP_ENABLED = BIT(6),
Kalle Valoab133152010-01-12 10:42:31 +0200371 IEEE80211_STA_UAPSD_ENABLED = BIT(7),
Vivek Natarajan375177b2010-02-09 14:50:28 +0530372 IEEE80211_STA_NULLFUNC_ACKED = BIT(8),
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700373 IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9),
Johannes Bergab1faea2009-07-01 21:41:17 +0200374};
375
Johannes Berg46900292009-02-15 12:44:28 +0100376struct ieee80211_if_managed {
Johannes Berg056cdd52008-03-26 23:21:47 +0100377 struct timer_list timer;
Johannes Bergb291ba12009-07-10 15:29:03 +0200378 struct timer_list conn_mon_timer;
379 struct timer_list bcn_mon_timer;
Sujithc481ec92009-01-06 09:28:37 +0530380 struct timer_list chswitch_timer;
Johannes Bergb291ba12009-07-10 15:29:03 +0200381 struct work_struct monitor_work;
Sujithc481ec92009-01-06 09:28:37 +0530382 struct work_struct chswitch_work;
Juuso Oikarinen1e4dcd02010-03-19 07:14:53 +0200383 struct work_struct beacon_connection_loss_work;
Johannes Berg46900292009-02-15 12:44:28 +0100384
Felix Fietkau7ccc8bd2010-11-19 22:55:38 +0100385 unsigned long beacon_timeout;
Johannes Bergb291ba12009-07-10 15:29:03 +0200386 unsigned long probe_timeout;
Maxim Levitskya43abf22009-07-31 18:54:12 +0300387 int probe_send_count;
Felix Fietkau04ac3c02010-12-02 21:01:08 +0100388 bool nullfunc_failed;
Johannes Bergb291ba12009-07-10 15:29:03 +0200389
Johannes Berg77fdaa12009-07-07 03:45:17 +0200390 struct mutex mtx;
Johannes Berg0c1ad2c2009-12-23 13:15:39 +0100391 struct cfg80211_bss *associated;
Johannes Berg46900292009-02-15 12:44:28 +0100392
Johannes Berg77fdaa12009-07-07 03:45:17 +0200393 u8 bssid[ETH_ALEN];
Johannes Berg46900292009-02-15 12:44:28 +0100394
Jiri Bencf0706e82007-05-05 11:45:53 -0700395 u16 aid;
Jiri Bencf0706e82007-05-05 11:45:53 -0700396
Johannes Berg5bb644a2009-05-17 11:40:42 +0200397 unsigned long timers_running; /* used for quiesce/restart */
Johannes Berg965beda2009-04-16 13:17:24 +0200398 bool powersave; /* powersave requested for this iface */
Johannes Berg05cb9102011-10-28 11:59:47 +0200399 bool broken_ap; /* AP is broken -- turn off powersave */
Johannes Berg0f782312009-12-01 13:37:02 +0100400 enum ieee80211_smps_mode req_smps, /* requested smps mode */
Johannes Bergd1f5b7a2010-08-05 17:05:55 +0200401 ap_smps, /* smps mode AP thinks we're in */
402 driver_smps_mode; /* smps mode request */
403
404 struct work_struct request_smps_work;
Johannes Berg965beda2009-04-16 13:17:24 +0200405
Jiri Slabyd6f2da52007-08-28 17:01:54 -0400406 unsigned int flags;
Jiri Bencf0706e82007-05-05 11:45:53 -0700407
Juuso Oikarinend8ec4432010-10-01 16:02:31 +0300408 bool beacon_crc_valid;
Johannes Bergd91f36d2009-04-16 13:17:26 +0200409 u32 beacon_crc;
410
Jouni Malinenfdfacf02009-01-08 13:32:05 +0200411 enum {
412 IEEE80211_MFP_DISABLED,
413 IEEE80211_MFP_OPTIONAL,
414 IEEE80211_MFP_REQUIRED
415 } mfp; /* management frame protection */
416
Jiri Bencf0706e82007-05-05 11:45:53 -0700417 int wmm_last_param_set;
Johannes Berg9bc383d2009-11-19 11:55:19 +0100418
419 u8 use_4addr;
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700420
421 /* Signal strength from the last Beacon frame in the current BSS. */
422 int last_beacon_signal;
423
424 /*
425 * Weighted average of the signal strength from Beacon frames in the
426 * current BSS. This is in units of 1/16 of the signal unit to maintain
427 * accuracy and to speed up calculations, i.e., the value need to be
428 * divided by 16 to get the actual value.
429 */
430 int ave_beacon_signal;
431
432 /*
Jouni Malinen391a2002010-08-27 22:22:00 +0300433 * Number of Beacon frames used in ave_beacon_signal. This can be used
434 * to avoid generating less reliable cqm events that would be based
435 * only on couple of received frames.
436 */
437 unsigned int count_beacon_signal;
438
439 /*
Jouni Malinen17e4ec12010-03-29 23:28:30 -0700440 * Last Beacon frame signal strength average (ave_beacon_signal / 16)
441 * that triggered a cqm event. 0 indicates that no event has been
442 * generated for the current association.
443 */
444 int last_cqm_event_signal;
Meenakshi Venkataraman615f7b92011-07-08 08:46:22 -0700445
446 /*
447 * State variables for keeping track of RSSI of the AP currently
448 * connected to and informing driver when RSSI has gone
449 * below/above a certain threshold.
450 */
451 int rssi_min_thold, rssi_max_thold;
452 int last_ave_beacon_signal;
Ben Greearef96a8422011-11-18 11:32:00 -0800453
454 struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */
455 struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */
Jiri Bencf0706e82007-05-05 11:45:53 -0700456};
457
Johannes Berg46900292009-02-15 12:44:28 +0100458struct ieee80211_if_ibss {
459 struct timer_list timer;
Johannes Berg46900292009-02-15 12:44:28 +0100460
Johannes Berg7a17a332010-07-21 11:30:27 +0200461 struct mutex mtx;
462
Johannes Bergaf8cdcd2009-04-19 21:25:43 +0200463 unsigned long last_scan_completed;
Johannes Berg5bb644a2009-05-17 11:40:42 +0200464
Teemu Paasikivifbd2c8d2010-06-14 12:55:31 +0300465 u32 basic_rates;
466
Johannes Berg5bb644a2009-05-17 11:40:42 +0200467 bool timer_running;
468
Johannes Bergaf8cdcd2009-04-19 21:25:43 +0200469 bool fixed_bssid;
470 bool fixed_channel;
Johannes Bergfffd0932009-07-08 14:22:54 +0200471 bool privacy;
Johannes Berg46900292009-02-15 12:44:28 +0100472
473 u8 bssid[ETH_ALEN];
Johannes Bergaf8cdcd2009-04-19 21:25:43 +0200474 u8 ssid[IEEE80211_MAX_SSID_LEN];
475 u8 ssid_len, ie_len;
476 u8 *ie;
477 struct ieee80211_channel *channel;
Alexander Simon13c40c52011-11-30 16:56:34 +0100478 enum nl80211_channel_type channel_type;
Johannes Berg46900292009-02-15 12:44:28 +0100479
480 unsigned long ibss_join_req;
Johannes Bergaf8cdcd2009-04-19 21:25:43 +0200481 /* probe response/beacon for IBSS */
Johannes Berg40b275b2011-05-13 14:15:49 +0200482 struct sk_buff __rcu *presp;
483 struct sk_buff *skb;
Johannes Berg46900292009-02-15 12:44:28 +0100484
Johannes Berg8bf11d82011-12-15 11:17:37 +0100485 spinlock_t incomplete_lock;
486 struct list_head incomplete_stations;
487
Johannes Berg46900292009-02-15 12:44:28 +0100488 enum {
489 IEEE80211_IBSS_MLME_SEARCH,
490 IEEE80211_IBSS_MLME_JOINED,
491 } state;
492};
493
Johannes Berg472dbc42008-09-11 00:01:49 +0200494struct ieee80211_if_mesh {
Johannes Berg472dbc42008-09-11 00:01:49 +0200495 struct timer_list housekeeping_timer;
496 struct timer_list mesh_path_timer;
Rui Pauloe304bfd2009-11-09 23:46:56 +0000497 struct timer_list mesh_path_root_timer;
Johannes Berg472dbc42008-09-11 00:01:49 +0200498
Johannes Berg5bb644a2009-05-17 11:40:42 +0200499 unsigned long timers_running;
500
Javier Cardona18889232009-08-10 12:15:52 -0700501 unsigned long wrkq_flags;
Johannes Berg472dbc42008-09-11 00:01:49 +0200502
503 u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
504 size_t mesh_id_len;
505 /* Active Path Selection Protocol Identifier */
Rui Paulo34917072009-11-09 23:46:39 +0000506 u8 mesh_pp_id;
Johannes Berg472dbc42008-09-11 00:01:49 +0200507 /* Active Path Selection Metric Identifier */
Rui Paulo34917072009-11-09 23:46:39 +0000508 u8 mesh_pm_id;
Johannes Berg472dbc42008-09-11 00:01:49 +0200509 /* Congestion Control Mode Identifier */
Rui Paulo34917072009-11-09 23:46:39 +0000510 u8 mesh_cc_id;
Javier Cardona9e03fdf2009-08-20 09:21:45 -0700511 /* Synchronization Protocol Identifier */
Rui Paulo34917072009-11-09 23:46:39 +0000512 u8 mesh_sp_id;
Javier Cardona9e03fdf2009-08-20 09:21:45 -0700513 /* Authentication Protocol Identifier */
Rui Paulo34917072009-11-09 23:46:39 +0000514 u8 mesh_auth_id;
Rui Paulod19b3bf2009-11-09 23:46:55 +0000515 /* Local mesh Sequence Number */
516 u32 sn;
Johannes Berg472dbc42008-09-11 00:01:49 +0200517 /* Last used PREQ ID */
518 u32 preq_id;
519 atomic_t mpaths;
Rui Paulod19b3bf2009-11-09 23:46:55 +0000520 /* Timestamp of last SN update */
521 unsigned long last_sn_update;
Thomas Pedersendca7e942011-11-24 17:15:24 -0800522 /* Time when it's ok to send next PERR */
523 unsigned long next_perr;
524 /* Timestamp of last PREQ sent */
Johannes Berg472dbc42008-09-11 00:01:49 +0200525 unsigned long last_preq;
526 struct mesh_rmc *rmc;
527 spinlock_t mesh_preq_queue_lock;
528 struct mesh_preq_queue preq_queue;
529 int preq_queue_len;
530 struct mesh_stats mshstats;
531 struct mesh_config mshcfg;
532 u32 mesh_seqnum;
533 bool accepting_plinks;
Javier Cardona5ee68e52011-08-09 16:45:08 -0700534 int num_gates;
Javier Cardona581a8b02011-04-07 15:08:27 -0700535 const u8 *ie;
536 u8 ie_len;
Javier Cardonab130e5c2011-05-03 16:57:07 -0700537 enum {
538 IEEE80211_MESH_SEC_NONE = 0x0,
539 IEEE80211_MESH_SEC_AUTHED = 0x1,
540 IEEE80211_MESH_SEC_SECURED = 0x2,
541 } security;
Johannes Berg472dbc42008-09-11 00:01:49 +0200542};
Johannes Berg902acc72008-02-23 15:17:19 +0100543
544#ifdef CONFIG_MAC80211_MESH
Johannes Berg472dbc42008-09-11 00:01:49 +0200545#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
546 do { (msh)->mshstats.name++; } while (0)
Johannes Berg902acc72008-02-23 15:17:19 +0100547#else
Johannes Berg472dbc42008-09-11 00:01:49 +0200548#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
Johannes Berg902acc72008-02-23 15:17:19 +0100549 do { } while (0)
550#endif
Jiri Bencf0706e82007-05-05 11:45:53 -0700551
Johannes Berg213cd112008-09-11 00:01:54 +0200552/**
553 * enum ieee80211_sub_if_data_flags - virtual interface flags
554 *
555 * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets
556 * @IEEE80211_SDATA_PROMISC: interface is promisc
Johannes Berg213cd112008-09-11 00:01:54 +0200557 * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode
558 * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between
559 * associated stations and deliver multicast frames both
560 * back to wireless media and to the local net stack.
Johannes Berg95acac62011-07-12 12:30:59 +0200561 * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume.
Johannes Berg7b7eab62011-11-03 14:41:13 +0100562 * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver
Johannes Berg213cd112008-09-11 00:01:54 +0200563 */
564enum ieee80211_sub_if_data_flags {
565 IEEE80211_SDATA_ALLMULTI = BIT(0),
566 IEEE80211_SDATA_PROMISC = BIT(1),
Johannes Berg7986cf92009-03-21 17:08:43 +0100567 IEEE80211_SDATA_OPERATING_GMODE = BIT(2),
568 IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
Johannes Berg95acac62011-07-12 12:30:59 +0200569 IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
Johannes Berg7b7eab62011-11-03 14:41:13 +0100570 IEEE80211_SDATA_IN_DRIVER = BIT(5),
Johannes Berg213cd112008-09-11 00:01:54 +0200571};
572
Johannes Berg34d4bc42010-08-27 12:35:58 +0200573/**
574 * enum ieee80211_sdata_state_bits - virtual interface state bits
575 * @SDATA_STATE_RUNNING: virtual interface is up & running; this
576 * mirrors netif_running() but is separate for interface type
577 * change handling while the interface is up
Johannes Berg5b714c62010-08-27 13:45:28 +0200578 * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel
579 * mode, so queues are stopped
Johannes Berg34d4bc42010-08-27 12:35:58 +0200580 */
581enum ieee80211_sdata_state_bits {
582 SDATA_STATE_RUNNING,
Johannes Berg5b714c62010-08-27 13:45:28 +0200583 SDATA_STATE_OFFCHANNEL,
Johannes Berg34d4bc42010-08-27 12:35:58 +0200584};
585
Jiri Bencf0706e82007-05-05 11:45:53 -0700586struct ieee80211_sub_if_data {
587 struct list_head list;
Jiri Bencf0706e82007-05-05 11:45:53 -0700588
589 struct wireless_dev wdev;
590
Johannes Berg11a843b2007-08-28 17:01:55 -0400591 /* keys */
592 struct list_head key_list;
593
Yogesh Ashok Powar3bff1862011-06-28 18:41:37 +0530594 /* count for keys needing tailroom space allocation */
595 int crypto_tx_tailroom_needed_cnt;
596
Jiri Bencf0706e82007-05-05 11:45:53 -0700597 struct net_device *dev;
598 struct ieee80211_local *local;
599
Jiri Slaby13262ff2007-08-28 17:01:54 -0400600 unsigned int flags;
Daniel Drake7e9ed182007-07-27 15:43:24 +0200601
Johannes Berg34d4bc42010-08-27 12:35:58 +0200602 unsigned long state;
603
Jiri Bencf0706e82007-05-05 11:45:53 -0700604 int drop_unencrypted;
Jiri Bencf0706e82007-05-05 11:45:53 -0700605
Johannes Berg47846c92009-11-25 17:46:19 +0100606 char name[IFNAMSIZ];
607
Johannes Berg413ad502009-05-08 21:21:06 +0200608 /*
609 * keep track of whether the HT opmode (stored in
610 * vif.bss_info.ht_operation_mode) is valid.
611 */
612 bool ht_opmode_valid;
613
Johannes Berg7da7cc12010-08-05 17:02:38 +0200614 /* to detect idle changes */
615 bool old_idle;
616
Jiri Bencf0706e82007-05-05 11:45:53 -0700617 /* Fragment table for host-based reassembly */
618 struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
619 unsigned int fragment_next;
620
Simon Wunderlichb53be792011-11-18 14:20:44 +0100621 /* TID bitmap for NoAck policy */
622 u16 noack_map;
623
Johannes Berg40b275b2011-05-13 14:15:49 +0200624 struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS];
625 struct ieee80211_key __rcu *default_unicast_key;
626 struct ieee80211_key __rcu *default_multicast_key;
627 struct ieee80211_key __rcu *default_mgmt_key;
Jiri Bencf0706e82007-05-05 11:45:53 -0700628
Johannes Berg94778282008-10-10 13:21:59 +0200629 u16 sequence_number;
Johannes Berga621fa42010-08-27 14:26:54 +0300630 __be16 control_port_protocol;
631 bool control_port_no_encrypt;
Johannes Berg94778282008-10-10 13:21:59 +0200632
Eliad Pellerf6f3def2011-09-25 20:06:54 +0300633 struct ieee80211_tx_queue_params tx_conf[IEEE80211_MAX_QUEUES];
634
Johannes Berg64592c82010-06-10 10:21:31 +0200635 struct work_struct work;
Johannes Berg35f20c12010-06-10 10:21:30 +0200636 struct sk_buff_head skb_queue;
637
Juuso Oikarinen68542962010-06-09 13:43:26 +0300638 bool arp_filter_state;
639
Johannes Berg3e122be2008-07-09 14:40:34 +0200640 /*
641 * AP this belongs to: self in AP mode and
642 * corresponding AP in VLAN mode, NULL for
643 * all others (might be needed later in IBSS)
644 */
645 struct ieee80211_if_ap *bss;
646
Jouni Malinen37eb0b12010-01-06 13:09:08 +0200647 /* bitmap of allowed (non-MCS) rate indexes for rate control */
648 u32 rc_rateidx_mask[IEEE80211_NUM_BANDS];
Jiri Bencf0706e82007-05-05 11:45:53 -0700649
650 union {
651 struct ieee80211_if_ap ap;
652 struct ieee80211_if_wds wds;
653 struct ieee80211_if_vlan vlan;
Johannes Berg46900292009-02-15 12:44:28 +0100654 struct ieee80211_if_managed mgd;
655 struct ieee80211_if_ibss ibss;
Johannes Berg472dbc42008-09-11 00:01:49 +0200656 struct ieee80211_if_mesh mesh;
Michael Wu8cc9a732008-01-31 19:48:23 +0100657 u32 mntr_flags;
Jiri Bencf0706e82007-05-05 11:45:53 -0700658 } u;
Jiri Bence9f207f2007-05-05 11:46:38 -0700659
660#ifdef CONFIG_MAC80211_DEBUGFS
Jouni Malinen2b58b202008-08-28 15:12:06 +0300661 struct {
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100662 struct dentry *dir;
Ben Greear295bafb2010-09-22 20:29:01 -0700663 struct dentry *subdir_stations;
Johannes Bergf7e01042010-12-09 19:49:02 +0100664 struct dentry *default_unicast_key;
665 struct dentry *default_multicast_key;
Jouni Malinen3cfcf6ac2009-01-08 13:32:02 +0200666 struct dentry *default_mgmt_key;
Johannes Berg7bcfaf22009-10-27 12:59:03 +0100667 } debugfs;
Jiri Bence9f207f2007-05-05 11:46:38 -0700668#endif
Johannes Berg32bfd352007-12-19 01:31:26 +0100669 /* must be last, dynamically sized area in this! */
670 struct ieee80211_vif vif;
Jiri Bencf0706e82007-05-05 11:45:53 -0700671};
672
Johannes Berg32bfd352007-12-19 01:31:26 +0100673static inline
674struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
675{
676 return container_of(p, struct ieee80211_sub_if_data, vif);
677}
678
Johannes Bergc1475ca2010-06-10 10:21:37 +0200679enum sdata_queue_type {
680 IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0,
681 IEEE80211_SDATA_QUEUE_AGG_START = 1,
682 IEEE80211_SDATA_QUEUE_AGG_STOP = 2,
683};
684
Jiri Bencf0706e82007-05-05 11:45:53 -0700685enum {
686 IEEE80211_RX_MSG = 1,
687 IEEE80211_TX_STATUS_MSG = 2,
Johannes Berg37fbd902011-09-29 16:04:39 +0200688 IEEE80211_EOSP_MSG = 3,
689};
690
691struct skb_eosp_msg_data {
692 u8 sta[ETH_ALEN], iface[ETH_ALEN];
Jiri Bencf0706e82007-05-05 11:45:53 -0700693};
694
Kalle Valoce7c9112008-12-18 23:35:20 +0200695enum queue_stop_reason {
696 IEEE80211_QUEUE_STOP_REASON_DRIVER,
Kalle Valo520eb822008-12-18 23:35:27 +0200697 IEEE80211_QUEUE_STOP_REASON_PS,
Johannes Berg96f5e662009-02-12 00:51:53 +0100698 IEEE80211_QUEUE_STOP_REASON_CSA,
699 IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
Johannes Berg25420602009-03-13 11:43:36 +0100700 IEEE80211_QUEUE_STOP_REASON_SUSPEND,
Johannes Berg8f77f382009-06-07 21:58:37 +0200701 IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
Rajkumar Manoharan693828f2011-09-02 13:51:59 +0530702 IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE,
Kalle Valoce7c9112008-12-18 23:35:20 +0200703};
704
Luciano Coelho65a65382010-12-21 16:02:17 +0200705#ifdef CONFIG_MAC80211_LEDS
Johannes Berge1e54062010-11-30 08:58:45 +0100706struct tpt_led_trigger {
707 struct led_trigger trig;
708 char name[32];
709 const struct ieee80211_tpt_blink *blink_table;
710 unsigned int blink_table_len;
711 struct timer_list timer;
Johannes Berge1e54062010-11-30 08:58:45 +0100712 unsigned long prev_traffic;
713 unsigned long tx_bytes, rx_bytes;
Johannes Berg67408c82010-11-30 08:59:23 +0100714 unsigned int active, want;
715 bool running;
Johannes Berge1e54062010-11-30 08:58:45 +0100716};
Luciano Coelho65a65382010-12-21 16:02:17 +0200717#endif
Johannes Berge1e54062010-11-30 08:58:45 +0100718
Helmut Schaa142b9f52009-07-23 13:18:01 +0200719/**
720 * mac80211 scan flags - currently active scan mode
721 *
722 * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as
723 * well be on the operating channel
724 * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
725 * determine if we are on the operating channel or not
Johannes Berg8789d452010-08-26 13:30:26 +0200726 * @SCAN_COMPLETED: Set for our scan work function when the driver reported
727 * that the scan completed.
728 * @SCAN_ABORTED: Set for our scan work function when the driver reported
729 * a scan complete for an aborted scan.
Helmut Schaa142b9f52009-07-23 13:18:01 +0200730 */
Helmut Schaafbe9c422009-07-23 12:14:04 +0200731enum {
732 SCAN_SW_SCANNING,
Helmut Schaa142b9f52009-07-23 13:18:01 +0200733 SCAN_HW_SCANNING,
Johannes Berg8789d452010-08-26 13:30:26 +0200734 SCAN_COMPLETED,
735 SCAN_ABORTED,
Helmut Schaa142b9f52009-07-23 13:18:01 +0200736};
737
738/**
739 * enum mac80211_scan_state - scan state machine states
740 *
741 * @SCAN_DECISION: Main entry point to the scan state machine, this state
742 * determines if we should keep on scanning or switch back to the
743 * operating channel
744 * @SCAN_SET_CHANNEL: Set the next channel to be scanned
745 * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses
Johannes Berg07ef03e2011-11-08 16:21:21 +0100746 * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to
747 * send out data
748 * @SCAN_RESUME: Resume the scan and scan the next channel
Helmut Schaa142b9f52009-07-23 13:18:01 +0200749 */
750enum mac80211_scan_state {
751 SCAN_DECISION,
752 SCAN_SET_CHANNEL,
753 SCAN_SEND_PROBE,
Johannes Berg07ef03e2011-11-08 16:21:21 +0100754 SCAN_SUSPEND,
755 SCAN_RESUME,
Helmut Schaafbe9c422009-07-23 12:14:04 +0200756};
757
Jiri Bencf0706e82007-05-05 11:45:53 -0700758struct ieee80211_local {
759 /* embed the driver visible part.
760 * don't cast (use the static inlines below), but we keep
761 * it first anyway so they become a no-op */
762 struct ieee80211_hw hw;
763
764 const struct ieee80211_ops *ops;
765
Luis R. Rodriguez42935ec2009-07-29 20:08:07 -0400766 /*
Johannes Bergaf6b6372009-12-23 13:15:35 +0100767 * work stuff, potentially off-channel (in the future)
768 */
Johannes Bergaf6b6372009-12-23 13:15:35 +0100769 struct list_head work_list;
770 struct timer_list work_timer;
771 struct work_struct work_work;
772 struct sk_buff_head work_skb_queue;
773
774 /*
Luis R. Rodriguez42935ec2009-07-29 20:08:07 -0400775 * private workqueue to mac80211. mac80211 makes this accessible
776 * via ieee80211_queue_work()
777 */
778 struct workqueue_struct *workqueue;
779
Johannes Berge4e72fb2009-03-23 17:28:42 +0100780 unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
Johannes Berg96f5e662009-02-12 00:51:53 +0100781 /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
Kalle Valoce7c9112008-12-18 23:35:20 +0200782 spinlock_t queue_stop_reason_lock;
Johannes Berg96f5e662009-02-12 00:51:53 +0100783
Jiri Bencf0706e82007-05-05 11:45:53 -0700784 int open_count;
Michael Wu3d30d942008-01-31 19:48:27 +0100785 int monitors, cooked_mntrs;
Michael Wu8cc9a732008-01-31 19:48:23 +0100786 /* number of interfaces with corresponding FIF_ flags */
Johannes Berg7be50862010-10-13 12:06:24 +0200787 int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
788 fif_probe_req;
789 int probe_req_reg;
Johannes Berg4150c572007-09-17 01:29:23 -0400790 unsigned int filter_flags; /* FIF_* */
Johannes Berg3b8d81e02009-06-17 17:43:56 +0200791
Johannes Berg3ffc2a92010-08-27 14:26:52 +0300792 bool wiphy_ciphers_allocated;
793
Johannes Berg3b8d81e02009-06-17 17:43:56 +0200794 /* protects the aggregated multicast list and filter calls */
795 spinlock_t filter_lock;
796
Johannes Berg3ac64be2009-08-17 16:16:53 +0200797 /* used for uploading changed mc list */
798 struct work_struct reconfig_filter;
799
Johannes Berg0f782312009-12-01 13:37:02 +0100800 /* used to reconfigure hardware SM PS */
801 struct work_struct recalc_smps;
802
Johannes Berg3b8d81e02009-06-17 17:43:56 +0200803 /* aggregated multicast list */
Jiri Pirko22bedad32010-04-01 21:22:57 +0000804 struct netdev_hw_addr_list mc_list;
Johannes Berg3b8d81e02009-06-17 17:43:56 +0200805
Johannes Bergd0709a62008-02-25 16:27:46 +0100806 bool tim_in_locked_section; /* see ieee80211_beacon_get() */
Johannes Berg5bb644a2009-05-17 11:40:42 +0200807
808 /*
809 * suspended is true if we finished all the suspend _and_ we have
810 * not yet come up from resume. This is to be used by mac80211
811 * to ensure driver sanity during suspend and mac80211's own
812 * sanity. It can eventually be used for WoW as well.
813 */
814 bool suspended;
815
816 /*
Johannes Bergceb99fe2009-11-19 14:29:39 +0100817 * Resuming is true while suspended, but when we're reprogramming the
818 * hardware -- at that time it's allowed to use ieee80211_queue_work()
819 * again even though some other parts of the stack are still suspended
820 * and we still drop received frames to avoid waking the stack.
821 */
822 bool resuming;
823
824 /*
Johannes Berg5bb644a2009-05-17 11:40:42 +0200825 * quiescing is true during the suspend process _only_ to
826 * ease timer cancelling etc.
827 */
828 bool quiescing;
829
Johannes Bergea77f122009-08-21 14:44:45 +0200830 /* device is started */
831 bool started;
832
Johannes Bergeecc4802011-05-04 15:37:29 +0200833 /* wowlan is enabled -- don't reconfig on resume */
834 bool wowlan;
835
Johannes Bergb306f452007-07-10 19:32:08 +0200836 int tx_headroom; /* required headroom for hardware/radiotap */
Jiri Bencf0706e82007-05-05 11:45:53 -0700837
Jiri Bencf0706e82007-05-05 11:45:53 -0700838 /* Tasklet and skb queue to process calls from IRQ mode. All frames
839 * added to skb_queue will be processed, but frames in
840 * skb_queue_unreliable may be dropped if the total length of these
841 * queues increases over the limit. */
842#define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
843 struct tasklet_struct tasklet;
844 struct sk_buff_head skb_queue;
845 struct sk_buff_head skb_queue_unreliable;
846
Christian Lamparter24a8fda2010-12-30 17:25:29 +0100847 /*
848 * Internal FIFO queue which is shared between multiple rx path
849 * stages. Its main task is to provide a serialization mechanism,
850 * so all rx handlers can enjoy having exclusive access to their
851 * private data structures.
852 */
853 struct sk_buff_head rx_skb_queue;
854 bool running_rx_handler; /* protected by rx_skb_queue.lock */
855
Johannes Bergd0709a62008-02-25 16:27:46 +0100856 /* Station data */
857 /*
Johannes Berg4d339602011-12-15 11:24:20 +0100858 * The mutex only protects the list, hash table and
859 * counter, reads are done with RCU.
Johannes Bergd0709a62008-02-25 16:27:46 +0100860 */
Johannes Berg34e89502010-02-03 13:59:58 +0100861 struct mutex sta_mtx;
Johannes Berg4d339602011-12-15 11:24:20 +0100862 spinlock_t tim_lock;
Johannes Bergd0709a62008-02-25 16:27:46 +0100863 unsigned long num_sta;
Johannes Berg4d339602011-12-15 11:24:20 +0100864 struct list_head sta_list;
Johannes Berg40b275b2011-05-13 14:15:49 +0200865 struct sta_info __rcu *sta_hash[STA_HASH_SIZE];
Jiri Bencf0706e82007-05-05 11:45:53 -0700866 struct timer_list sta_cleanup;
Johannes Bergf5ea9122009-08-07 16:17:38 +0200867 int sta_generation;
Jiri Bencf0706e82007-05-05 11:45:53 -0700868
Johannes Berg2a577d92009-03-23 17:28:37 +0100869 struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
Jiri Bencf0706e82007-05-05 11:45:53 -0700870 struct tasklet_struct tx_pending_tasklet;
871
Johannes Berga6a67db2010-06-10 10:21:41 +0200872 atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES];
Johannes Bergcd8ffc82009-03-23 17:28:41 +0100873
Johannes Berg53918992007-09-26 15:19:47 +0200874 /* number of interfaces with corresponding IFF_ flags */
875 atomic_t iff_allmultis, iff_promiscs;
Jiri Bencf0706e82007-05-05 11:45:53 -0700876
877 struct rate_control_ref *rate_ctrl;
878
Felix Fietkau5f9f1812011-03-25 21:39:19 +0100879 struct crypto_cipher *wep_tx_tfm;
880 struct crypto_cipher *wep_rx_tfm;
Jiri Bencf0706e82007-05-05 11:45:53 -0700881 u32 wep_iv;
Jiri Bencf0706e82007-05-05 11:45:53 -0700882
Johannes Bergc771c9d2009-01-23 22:54:03 +0100883 /* see iface.c */
Johannes Berg79010422007-09-18 17:29:21 -0400884 struct list_head interfaces;
Johannes Bergc771c9d2009-01-23 22:54:03 +0100885 struct mutex iflist_mtx;
Johannes Berg79010422007-09-18 17:29:21 -0400886
Johannes Bergb16bd152008-04-11 21:40:35 +0200887 /*
Johannes Bergad0e2b52010-06-01 10:19:19 +0200888 * Key mutex, protects sdata's key_list and sta_info's
Johannes Bergb16bd152008-04-11 21:40:35 +0200889 * key pointers (write access, they're RCU.)
890 */
Johannes Bergad0e2b52010-06-01 10:19:19 +0200891 struct mutex key_mtx;
Johannes Bergb16bd152008-04-11 21:40:35 +0200892
Johannes Berga1699b72010-07-30 16:46:07 +0200893 /* mutex for scan and work locking */
894 struct mutex mtx;
Johannes Bergb16bd152008-04-11 21:40:35 +0200895
Johannes Bergc2b13452008-09-11 00:01:55 +0200896 /* Scanning and BSS list */
Helmut Schaafbe9c422009-07-23 12:14:04 +0200897 unsigned long scanning;
Johannes Berg2a519312009-02-10 21:25:55 +0100898 struct cfg80211_ssid scan_ssid;
Johannes Berg5ba63532009-08-07 17:54:07 +0200899 struct cfg80211_scan_request *int_scan_req;
Johannes Berg4d36ec582009-10-27 20:59:55 +0100900 struct cfg80211_scan_request *scan_req, *hw_scan_req;
Johannes Berg2a519312009-02-10 21:25:55 +0100901 struct ieee80211_channel *scan_channel;
Johannes Berg4d36ec582009-10-27 20:59:55 +0100902 enum ieee80211_band hw_scan_band;
Jiri Bencf0706e82007-05-05 11:45:53 -0700903 int scan_channel_idx;
Johannes Bergde95a542009-04-01 11:58:36 +0200904 int scan_ies_len;
Johannes Berg8318d782008-01-24 19:38:38 +0100905
Luciano Coelho79f460c2011-05-11 17:09:36 +0300906 bool sched_scanning;
907 struct ieee80211_sched_scan_ies sched_scan_ies;
Luciano Coelho85a99942011-05-12 16:28:29 +0300908 struct work_struct sched_scan_stopped_work;
Luciano Coelho79f460c2011-05-11 17:09:36 +0300909
Helmut Schaadf13cce2010-02-24 14:19:21 +0100910 unsigned long leave_oper_channel_time;
Helmut Schaa977923b2009-07-23 12:14:20 +0200911 enum mac80211_scan_state next_scan_state;
Jiri Bencf0706e82007-05-05 11:45:53 -0700912 struct delayed_work scan_work;
Johannes Berg491775a2008-09-08 17:44:23 +0200913 struct ieee80211_sub_if_data *scan_sdata;
Johannes Berg0aaffa92010-05-05 15:28:27 +0200914 enum nl80211_channel_type _oper_channel_type;
Johannes Berg2a519312009-02-10 21:25:55 +0100915 struct ieee80211_channel *oper_channel, *csa_channel;
Jiri Bencf0706e82007-05-05 11:45:53 -0700916
Johannes Bergb8bc4b02009-12-23 13:15:42 +0100917 /* Temporary remain-on-channel for off-channel operations */
918 struct ieee80211_channel *tmp_channel;
919 enum nl80211_channel_type tmp_channel_type;
920
Jiri Bencf0706e82007-05-05 11:45:53 -0700921 /* SNMP counters */
922 /* dot11CountersTable */
923 u32 dot11TransmittedFragmentCount;
924 u32 dot11MulticastTransmittedFrameCount;
925 u32 dot11FailedCount;
926 u32 dot11RetryCount;
927 u32 dot11MultipleRetryCount;
928 u32 dot11FrameDuplicateCount;
929 u32 dot11ReceivedFragmentCount;
930 u32 dot11MulticastReceivedFrameCount;
931 u32 dot11TransmittedFrameCount;
Jiri Bencf0706e82007-05-05 11:45:53 -0700932
933#ifdef CONFIG_MAC80211_LEDS
934 int tx_led_counter, rx_led_counter;
Ivo van Doorncdcb0062008-01-07 19:45:24 +0100935 struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;
Johannes Berge1e54062010-11-30 08:58:45 +0100936 struct tpt_led_trigger *tpt_led_trigger;
Ivo van Doorncdcb0062008-01-07 19:45:24 +0100937 char tx_led_name[32], rx_led_name[32],
938 assoc_led_name[32], radio_led_name[32];
Jiri Bencf0706e82007-05-05 11:45:53 -0700939#endif
940
Jiri Bencf0706e82007-05-05 11:45:53 -0700941#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
942 /* TX/RX handler statistics */
943 unsigned int tx_handlers_drop;
944 unsigned int tx_handlers_queued;
945 unsigned int tx_handlers_drop_unencrypted;
946 unsigned int tx_handlers_drop_fragment;
947 unsigned int tx_handlers_drop_wep;
948 unsigned int tx_handlers_drop_not_assoc;
949 unsigned int tx_handlers_drop_unauth_port;
950 unsigned int rx_handlers_drop;
951 unsigned int rx_handlers_queued;
952 unsigned int rx_handlers_drop_nullfunc;
953 unsigned int rx_handlers_drop_defrag;
954 unsigned int rx_handlers_drop_short;
955 unsigned int rx_handlers_drop_passive_scan;
956 unsigned int tx_expand_skb_head;
957 unsigned int tx_expand_skb_head_cloned;
958 unsigned int rx_expand_skb_head;
959 unsigned int rx_expand_skb_head2;
960 unsigned int rx_handlers_fragments;
961 unsigned int tx_status_drop;
Jiri Bencf0706e82007-05-05 11:45:53 -0700962#define I802_DEBUG_INC(c) (c)++
963#else /* CONFIG_MAC80211_DEBUG_COUNTERS */
964#define I802_DEBUG_INC(c) do { } while (0)
965#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
966
967
Jiri Bencf0706e82007-05-05 11:45:53 -0700968 int total_ps_buffered; /* total number of all buffered unicast and
969 * multicast packets for power saving stations
970 */
Jiri Bencf0706e82007-05-05 11:45:53 -0700971 unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */
Kalle Valo520eb822008-12-18 23:35:27 +0200972
Kalle Valo50ae0cf2010-01-12 10:42:39 +0200973 /*
974 * Bitmask of enabled u-apsd queues,
975 * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association
976 * to take effect.
977 */
978 unsigned int uapsd_queues;
979
980 /*
981 * Maximum number of buffered frames AP can deliver during a
982 * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar.
983 * Needs a new association to take effect.
984 */
985 unsigned int uapsd_max_sp_len;
986
Kalle Valo572e0012009-02-10 17:09:31 +0200987 bool pspolling;
Jouni Malinenb203ffc2009-12-23 13:15:40 +0100988 bool offchannel_ps_enabled;
Johannes Berg965beda2009-04-16 13:17:24 +0200989 /*
990 * PS can only be enabled when we have exactly one managed
991 * interface (and monitors) in PS, this then points there.
992 */
993 struct ieee80211_sub_if_data *ps_sdata;
Kalle Valo520eb822008-12-18 23:35:27 +0200994 struct work_struct dynamic_ps_enable_work;
995 struct work_struct dynamic_ps_disable_work;
996 struct timer_list dynamic_ps_timer;
Johannes Berg10f644a2009-04-16 13:17:25 +0200997 struct notifier_block network_latency_notifier;
Juuso Oikarinen2b2c0092010-05-27 15:32:13 +0300998 struct notifier_block ifa_notifier;
Jiri Bencf0706e82007-05-05 11:45:53 -0700999
Juuso Oikarinenff616382010-06-09 09:51:52 +03001000 /*
1001 * The dynamic ps timeout configured from user space via WEXT -
1002 * this will override whatever chosen by mac80211 internally.
1003 */
1004 int dynamic_ps_forced_timeout;
Juuso Oikarinenf90754c2010-06-21 08:59:39 +03001005 int dynamic_ps_user_timeout;
1006 bool disable_dynamic_ps;
Juuso Oikarinenff616382010-06-09 09:51:52 +03001007
Johannes Berg2bf30fa2009-01-06 23:23:56 +01001008 int user_power_level; /* in dBm */
Vasanthakumar Thiagarajana8302de2009-01-09 18:14:15 +05301009 int power_constr_level; /* in dBm */
Johannes Berg2bf30fa2009-01-06 23:23:56 +01001010
Johannes Berg0f782312009-12-01 13:37:02 +01001011 enum ieee80211_smps_mode smps_mode;
1012
Johannes Bergf2753dd2009-04-14 10:09:24 +02001013 struct work_struct restart_work;
1014
Jiri Bence9f207f2007-05-05 11:46:38 -07001015#ifdef CONFIG_MAC80211_DEBUGFS
1016 struct local_debugfsdentries {
Johannes Berg4b7679a2008-09-18 18:14:18 +02001017 struct dentry *rcdir;
Jiri Bence9f207f2007-05-05 11:46:38 -07001018 struct dentry *keys;
1019 } debugfs;
1020#endif
John W. Linville4e6cbfd2010-07-29 16:14:13 -04001021
Johannes Berg21f83582010-12-18 17:20:47 +01001022 struct ieee80211_channel *hw_roc_channel;
1023 struct net_device *hw_roc_dev;
Johannes Berg4334ec82011-02-02 16:58:06 +01001024 struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status;
Johannes Berg21f83582010-12-18 17:20:47 +01001025 struct work_struct hw_roc_start, hw_roc_done;
1026 enum nl80211_channel_type hw_roc_channel_type;
1027 unsigned int hw_roc_duration;
1028 u32 hw_roc_cookie;
Johannes Berg90fc4b32010-12-18 17:20:48 +01001029 bool hw_roc_for_tx;
Johannes Berg21f83582010-12-18 17:20:47 +01001030
Johannes Berga729cff2011-11-06 14:13:34 +01001031 struct idr ack_status_frames;
1032 spinlock_t ack_status_lock;
1033
John W. Linville4e6cbfd2010-07-29 16:14:13 -04001034 /* dummy netdev for use w/ NAPI */
1035 struct net_device napi_dev;
1036
1037 struct napi_struct napi;
Jiri Bencf0706e82007-05-05 11:45:53 -07001038};
1039
Johannes Berg3e122be2008-07-09 14:40:34 +02001040static inline struct ieee80211_sub_if_data *
1041IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
1042{
Johannes Berg3e122be2008-07-09 14:40:34 +02001043 return netdev_priv(dev);
1044}
1045
Johannes Bergc1475ca2010-06-10 10:21:37 +02001046/* this struct represents 802.11n's RA/TID combination */
Ron Rindjunskyeadc8d92008-01-28 14:07:17 +02001047struct ieee80211_ra_tid {
1048 u8 ra[ETH_ALEN];
1049 u16 tid;
1050};
1051
Johannes Bergdd769862011-11-18 16:54:50 +01001052/* Parsed Information Elements */
1053struct ieee802_11_elems {
1054 u8 *ie_start;
1055 size_t total_len;
1056
1057 /* pointers to IEs */
1058 u8 *ssid;
1059 u8 *supp_rates;
1060 u8 *fh_params;
1061 u8 *ds_params;
1062 u8 *cf_params;
1063 struct ieee80211_tim_ie *tim;
1064 u8 *ibss_params;
1065 u8 *challenge;
1066 u8 *wpa;
1067 u8 *rsn;
1068 u8 *erp_info;
1069 u8 *ext_supp_rates;
1070 u8 *wmm_info;
1071 u8 *wmm_param;
1072 struct ieee80211_ht_cap *ht_cap_elem;
1073 struct ieee80211_ht_info *ht_info_elem;
1074 struct ieee80211_meshconf_ie *mesh_config;
1075 u8 *mesh_id;
1076 u8 *peering;
1077 u8 *preq;
1078 u8 *prep;
1079 u8 *perr;
1080 struct ieee80211_rann_ie *rann;
1081 u8 *ch_switch_elem;
1082 u8 *country_elem;
1083 u8 *pwr_constr_elem;
1084 u8 *quiet_elem; /* first quite element */
1085 u8 *timeout_int;
1086
1087 /* length of them, respectively */
1088 u8 ssid_len;
1089 u8 supp_rates_len;
1090 u8 fh_params_len;
1091 u8 ds_params_len;
1092 u8 cf_params_len;
1093 u8 tim_len;
1094 u8 ibss_params_len;
1095 u8 challenge_len;
1096 u8 wpa_len;
1097 u8 rsn_len;
1098 u8 erp_info_len;
1099 u8 ext_supp_rates_len;
1100 u8 wmm_info_len;
1101 u8 wmm_param_len;
1102 u8 mesh_id_len;
1103 u8 peering_len;
1104 u8 preq_len;
1105 u8 prep_len;
1106 u8 perr_len;
1107 u8 ch_switch_elem_len;
1108 u8 country_elem_len;
1109 u8 pwr_constr_elem_len;
1110 u8 quiet_elem_len;
1111 u8 num_of_quiet_elem; /* can be more the one */
1112 u8 timeout_int_len;
1113};
1114
Jiri Bencf0706e82007-05-05 11:45:53 -07001115static inline struct ieee80211_local *hw_to_local(
1116 struct ieee80211_hw *hw)
1117{
1118 return container_of(hw, struct ieee80211_local, hw);
1119}
1120
1121static inline struct ieee80211_hw *local_to_hw(
1122 struct ieee80211_local *local)
1123{
1124 return &local->hw;
1125}
1126
Jiri Bencf0706e82007-05-05 11:45:53 -07001127
Johannes Berg571ecf62007-07-27 15:43:22 +02001128static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
1129{
1130 return compare_ether_addr(raddr, addr) == 0 ||
1131 is_broadcast_ether_addr(raddr);
1132}
1133
1134
Johannes Berge8975582008-10-09 12:18:51 +02001135int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
Johannes Berg5cf121c2008-02-25 16:27:43 +01001136void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
Johannes Berg9c6bd792008-09-11 00:01:52 +02001137void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
1138 u32 changed);
Johannes Berg0d143fe2008-09-11 00:01:59 +02001139void ieee80211_configure_filter(struct ieee80211_local *local);
Johannes Berg46900292009-02-15 12:44:28 +01001140u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
Jiri Bencf0706e82007-05-05 11:45:53 -07001141
Johannes Berg46900292009-02-15 12:44:28 +01001142/* STA code */
Johannes Berg9c6bd792008-09-11 00:01:52 +02001143void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
Johannes Berg77fdaa12009-07-07 03:45:17 +02001144int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
1145 struct cfg80211_auth_request *req);
1146int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
1147 struct cfg80211_assoc_request *req);
1148int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
Johannes Berg667503dd2009-07-07 03:56:11 +02001149 struct cfg80211_deauth_request *req,
1150 void *cookie);
Johannes Berg77fdaa12009-07-07 03:45:17 +02001151int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
Johannes Berg667503dd2009-07-07 03:56:11 +02001152 struct cfg80211_disassoc_request *req,
1153 void *cookie);
Kalle Valo572e0012009-02-10 17:09:31 +02001154void ieee80211_send_pspoll(struct ieee80211_local *local,
1155 struct ieee80211_sub_if_data *sdata);
Johannes Berg10f644a2009-04-16 13:17:25 +02001156void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency);
1157int ieee80211_max_network_latency(struct notifier_block *nb,
1158 unsigned long data, void *dummy);
Juuso Oikarinen2b2c0092010-05-27 15:32:13 +03001159int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
Johannes Bergcc32abd2009-05-15 11:52:31 +02001160void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
1161 struct ieee80211_channel_sw_ie *sw_elem,
Johannes Berg5ce6e432010-05-11 16:20:57 +02001162 struct ieee80211_bss *bss,
1163 u64 timestamp);
Johannes Berg5bb644a2009-05-17 11:40:42 +02001164void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata);
1165void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
Johannes Berg1fa57d02010-06-10 10:21:32 +02001166void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
1167void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1168 struct sk_buff *skb);
Luis R. Rodriguezd3a910a2010-09-16 15:12:32 -04001169void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata);
Luis R. Rodriguezbe099e82010-09-16 15:12:29 -04001170void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
Johannes Berg9c6bd792008-09-11 00:01:52 +02001171
Johannes Berg46900292009-02-15 12:44:28 +01001172/* IBSS code */
Johannes Berg46900292009-02-15 12:44:28 +01001173void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
1174void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
Johannes Berg8bf11d82011-12-15 11:17:37 +01001175void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
1176 const u8 *bssid, const u8 *addr, u32 supp_rates);
Johannes Bergaf8cdcd2009-04-19 21:25:43 +02001177int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
1178 struct cfg80211_ibss_params *params);
1179int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);
Johannes Berg5bb644a2009-05-17 11:40:42 +02001180void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata);
1181void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata);
Johannes Berg1fa57d02010-06-10 10:21:32 +02001182void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata);
1183void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1184 struct sk_buff *skb);
1185
1186/* mesh code */
1187void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata);
1188void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1189 struct sk_buff *skb);
Johannes Berg46900292009-02-15 12:44:28 +01001190
Johannes Berg9c6bd792008-09-11 00:01:52 +02001191/* scan/BSS handling */
Johannes Berg46900292009-02-15 12:44:28 +01001192void ieee80211_scan_work(struct work_struct *work);
Johannes Bergf3b85252009-04-23 16:01:47 +02001193int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
Johannes Bergbe4a4b62010-05-03 08:49:48 +02001194 const u8 *ssid, u8 ssid_len,
1195 struct ieee80211_channel *chan);
Johannes Bergc2b13452008-09-11 00:01:55 +02001196int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
Johannes Berg2a519312009-02-10 21:25:55 +01001197 struct cfg80211_scan_request *req);
Johannes Berg5bb644a2009-05-17 11:40:42 +02001198void ieee80211_scan_cancel(struct ieee80211_local *local);
Johannes Bergc2b13452008-09-11 00:01:55 +02001199ieee80211_rx_result
Johannes Bergf1d58c22009-06-17 13:13:00 +02001200ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
Johannes Berg9c6bd792008-09-11 00:01:52 +02001201
Johannes Berg0a51b272008-09-08 17:44:25 +02001202void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
Johannes Bergc2b13452008-09-11 00:01:55 +02001203struct ieee80211_bss *
Johannes Berg98c8fcc2008-09-08 17:44:26 +02001204ieee80211_bss_info_update(struct ieee80211_local *local,
1205 struct ieee80211_rx_status *rx_status,
1206 struct ieee80211_mgmt *mgmt,
1207 size_t len,
1208 struct ieee802_11_elems *elems,
Johannes Berg2a519312009-02-10 21:25:55 +01001209 struct ieee80211_channel *channel,
1210 bool beacon);
Johannes Bergc2b13452008-09-11 00:01:55 +02001211struct ieee80211_bss *
Johannes Berg5484e232008-09-08 17:44:27 +02001212ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq,
1213 u8 *ssid, u8 ssid_len);
Johannes Berg98c8fcc2008-09-08 17:44:26 +02001214void ieee80211_rx_bss_put(struct ieee80211_local *local,
Johannes Bergc2b13452008-09-11 00:01:55 +02001215 struct ieee80211_bss *bss);
Luis Carlos Coboee385852008-02-23 15:17:11 +01001216
Luciano Coelho79f460c2011-05-11 17:09:36 +03001217/* scheduled scan handling */
1218int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
1219 struct cfg80211_sched_scan_request *req);
Luciano Coelho85a99942011-05-12 16:28:29 +03001220int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata);
1221void ieee80211_sched_scan_stopped_work(struct work_struct *work);
Luciano Coelho79f460c2011-05-11 17:09:36 +03001222
Jouni Malinenb203ffc2009-12-23 13:15:40 +01001223/* off-channel helpers */
Ben Greearb23b0252011-02-04 11:54:17 -08001224void ieee80211_offchannel_enable_all_ps(struct ieee80211_local *local,
1225 bool tell_ap);
1226void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
1227 bool offchannel_ps_enable);
Jouni Malinenb203ffc2009-12-23 13:15:40 +01001228void ieee80211_offchannel_return(struct ieee80211_local *local,
Ben Greearb23b0252011-02-04 11:54:17 -08001229 bool offchannel_ps_disable);
Johannes Berg21f83582010-12-18 17:20:47 +01001230void ieee80211_hw_roc_setup(struct ieee80211_local *local);
Jouni Malinenb203ffc2009-12-23 13:15:40 +01001231
Johannes Berg3e122be2008-07-09 14:40:34 +02001232/* interface handling */
Johannes Berg47846c92009-11-25 17:46:19 +01001233int ieee80211_iface_init(void);
1234void ieee80211_iface_exit(void);
Johannes Berg3e122be2008-07-09 14:40:34 +02001235int ieee80211_if_add(struct ieee80211_local *local, const char *name,
Johannes Berg05c914f2008-09-11 00:01:58 +02001236 struct net_device **new_dev, enum nl80211_iftype type,
Luis Carlos Coboee385852008-02-23 15:17:11 +01001237 struct vif_params *params);
Johannes Bergf3947e22008-07-09 14:40:36 +02001238int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
Johannes Berg05c914f2008-09-11 00:01:58 +02001239 enum nl80211_iftype type);
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +12001240void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
Johannes Berg75636522008-07-09 14:40:35 +02001241void ieee80211_remove_interfaces(struct ieee80211_local *local);
Johannes Berg5cff20e2009-04-29 12:26:17 +02001242u32 __ieee80211_recalc_idle(struct ieee80211_local *local);
1243void ieee80211_recalc_idle(struct ieee80211_local *local);
Christian Lamparter85416a42010-10-02 13:17:07 +02001244void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
1245 const int offset);
Jiri Bencf0706e82007-05-05 11:45:53 -07001246
Johannes Berg9607e6b2009-12-23 13:15:31 +01001247static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
1248{
Johannes Berg34d4bc42010-08-27 12:35:58 +02001249 return test_bit(SDATA_STATE_RUNNING, &sdata->state);
Johannes Berg9607e6b2009-12-23 13:15:31 +01001250}
1251
Johannes Berge2ebc742007-07-27 15:43:22 +02001252/* tx handling */
Johannes Berge2ebc742007-07-27 15:43:22 +02001253void ieee80211_clear_tx_pending(struct ieee80211_local *local);
1254void ieee80211_tx_pending(unsigned long data);
Stephen Hemmingerd0cf9c02009-08-31 19:50:57 +00001255netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
1256 struct net_device *dev);
1257netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
1258 struct net_device *dev);
Johannes Berge2ebc742007-07-27 15:43:22 +02001259
Johannes Bergde1ede72008-09-09 14:42:50 +02001260/* HT */
Ben Greearef96a8422011-11-18 11:32:00 -08001261bool ieee80111_cfg_override_disables_ht40(struct ieee80211_sub_if_data *sdata);
1262void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
1263 struct ieee80211_sta_ht_cap *ht_cap);
1264void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
1265 struct ieee80211_supported_band *sband,
Johannes Bergae5eb022008-10-14 16:58:37 +02001266 struct ieee80211_ht_cap *ht_cap_ie,
Johannes Bergd9fe60d2008-10-09 12:13:49 +02001267 struct ieee80211_sta_ht_cap *ht_cap);
Johannes Bergb8695a82009-02-10 21:25:46 +01001268void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
1269 const u8 *da, u16 tid,
1270 u16 initiator, u16 reason_code);
Johannes Berg0f782312009-12-01 13:37:02 +01001271int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
1272 enum ieee80211_smps_mode smps, const u8 *da,
1273 const u8 *bssid);
Johannes Bergd1f5b7a2010-08-05 17:05:55 +02001274void ieee80211_request_smps_work(struct work_struct *work);
Johannes Bergde1ede72008-09-09 14:42:50 +02001275
Johannes Berg7c3b1dd2010-06-10 10:21:44 +02001276void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
Johannes Berg53f73c02010-10-05 19:37:40 +02001277 u16 initiator, u16 reason, bool stop);
Johannes Berg849b7962009-02-10 21:25:54 +01001278void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
Johannes Berg53f73c02010-10-05 19:37:40 +02001279 u16 initiator, u16 reason, bool stop);
1280void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx);
Johannes Bergde1ede72008-09-09 14:42:50 +02001281void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
1282 struct sta_info *sta,
1283 struct ieee80211_mgmt *mgmt, size_t len);
1284void ieee80211_process_addba_resp(struct ieee80211_local *local,
1285 struct sta_info *sta,
1286 struct ieee80211_mgmt *mgmt,
1287 size_t len);
1288void ieee80211_process_addba_request(struct ieee80211_local *local,
1289 struct sta_info *sta,
1290 struct ieee80211_mgmt *mgmt,
1291 size_t len);
1292
Johannes Berg849b7962009-02-10 21:25:54 +01001293int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
Johannes Berg53f73c02010-10-05 19:37:40 +02001294 enum ieee80211_back_parties initiator,
1295 bool tx);
Johannes Berg67c282c2010-06-10 10:21:43 +02001296int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
Johannes Berg53f73c02010-10-05 19:37:40 +02001297 enum ieee80211_back_parties initiator,
1298 bool tx);
Johannes Berg5d22c892010-06-10 10:21:40 +02001299void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
1300void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
Johannes Berg67c282c2010-06-10 10:21:43 +02001301void ieee80211_ba_session_work(struct work_struct *work);
1302void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
Christian Lamparter2bff8eb2010-08-05 01:36:41 +02001303void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
Johannes Berg849b7962009-02-10 21:25:54 +01001304
Johannes Berg39192c02008-09-09 14:49:03 +02001305/* Spectrum management */
1306void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
1307 struct ieee80211_mgmt *mgmt,
1308 size_t len);
1309
Johannes Bergf2753dd2009-04-14 10:09:24 +02001310/* Suspend/resume and hw reconfiguration */
1311int ieee80211_reconfig(struct ieee80211_local *local);
Johannes Berg84f6a012009-08-20 20:02:20 +02001312void ieee80211_stop_device(struct ieee80211_local *local);
Johannes Bergf2753dd2009-04-14 10:09:24 +02001313
Johannes Berg827b1fb2009-03-13 11:44:18 +01001314#ifdef CONFIG_PM
Johannes Bergeecc4802011-05-04 15:37:29 +02001315int __ieee80211_suspend(struct ieee80211_hw *hw,
1316 struct cfg80211_wowlan *wowlan);
Johannes Bergf2753dd2009-04-14 10:09:24 +02001317
1318static inline int __ieee80211_resume(struct ieee80211_hw *hw)
1319{
John W. Linville85f72bc2010-09-01 16:12:28 -04001320 struct ieee80211_local *local = hw_to_local(hw);
1321
1322 WARN(test_bit(SCAN_HW_SCANNING, &local->scanning),
1323 "%s: resume with hardware scan still in progress\n",
1324 wiphy_name(hw->wiphy));
1325
Johannes Bergf2753dd2009-04-14 10:09:24 +02001326 return ieee80211_reconfig(hw_to_local(hw));
1327}
Johannes Berg827b1fb2009-03-13 11:44:18 +01001328#else
Johannes Bergeecc4802011-05-04 15:37:29 +02001329static inline int __ieee80211_suspend(struct ieee80211_hw *hw,
1330 struct cfg80211_wowlan *wowlan)
Johannes Berg827b1fb2009-03-13 11:44:18 +01001331{
1332 return 0;
1333}
Johannes Bergf2753dd2009-04-14 10:09:24 +02001334
Johannes Berg827b1fb2009-03-13 11:44:18 +01001335static inline int __ieee80211_resume(struct ieee80211_hw *hw)
1336{
1337 return 0;
1338}
1339#endif
Bob Copeland665af4f2009-01-19 11:20:53 -05001340
Johannes Bergc2d15602007-07-27 15:43:23 +02001341/* utility functions/constants */
1342extern void *mac80211_wiphy_privid; /* for wiphy privid */
Ron Rindjunsky71364712007-12-25 17:00:36 +02001343u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
Johannes Berg05c914f2008-09-11 00:01:58 +02001344 enum nl80211_iftype type);
Johannes Bergc2d15602007-07-27 15:43:23 +02001345int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
1346 int rate, int erp, int short_preamble);
Jasper Bryant-Greenef698d852008-08-03 12:04:37 +12001347void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
Johannes Berge6d6e342009-07-01 21:26:47 +02001348 struct ieee80211_hdr *hdr, const u8 *tsc,
1349 gfp_t gfp);
Johannes Berg5825fe102008-09-09 12:56:01 +02001350void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata);
Johannes Bergce662b442011-09-29 16:04:34 +02001351void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
Johannes Berg62ae67b2009-11-18 18:42:05 +01001352void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
Johannes Berg9c6bd792008-09-11 00:01:52 +02001353void ieee802_11_parse_elems(u8 *start, size_t len,
1354 struct ieee802_11_elems *elems);
Johannes Bergd91f36d2009-04-16 13:17:26 +02001355u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
1356 struct ieee802_11_elems *elems,
1357 u64 filter, u32 crc);
Johannes Berg881d9482009-01-21 15:13:48 +01001358u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
Johannes Berg96dd22a2008-09-11 00:01:57 +02001359 enum ieee80211_band band);
Jiri Bencf0706e82007-05-05 11:45:53 -07001360
Kalle Valo520eb822008-12-18 23:35:27 +02001361void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
1362void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
1363void ieee80211_dynamic_ps_timer(unsigned long data);
Vivek Natarajana97b77b2008-12-23 18:39:02 -08001364void ieee80211_send_nullfunc(struct ieee80211_local *local,
1365 struct ieee80211_sub_if_data *sdata,
1366 int powersave);
Kalle Valo3cf335d2009-03-22 21:57:06 +02001367void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
1368 struct ieee80211_hdr *hdr);
Felix Fietkau4e5ff372010-11-23 03:10:31 +01001369void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
Felix Fietkau04ac3c02010-12-02 21:01:08 +01001370 struct ieee80211_hdr *hdr, bool ack);
Juuso Oikarinen1e4dcd02010-03-19 07:14:53 +02001371void ieee80211_beacon_connection_loss_work(struct work_struct *work);
Kalle Valo520eb822008-12-18 23:35:27 +02001372
Kalle Valoce7c9112008-12-18 23:35:20 +02001373void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
1374 enum queue_stop_reason reason);
1375void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
1376 enum queue_stop_reason reason);
Johannes Berg96f5e662009-02-12 00:51:53 +01001377void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
1378 enum queue_stop_reason reason);
1379void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
1380 enum queue_stop_reason reason);
Johannes Berg8f77f382009-06-07 21:58:37 +02001381void ieee80211_add_pending_skb(struct ieee80211_local *local,
1382 struct sk_buff *skb);
Johannes Bergb0b97a82011-09-29 16:04:30 +02001383void ieee80211_add_pending_skbs(struct ieee80211_local *local,
1384 struct sk_buff_head *skbs);
1385void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local,
1386 struct sk_buff_head *skbs,
1387 void (*fn)(void *data), void *data);
Kalle Valoce7c9112008-12-18 23:35:20 +02001388
Johannes Berg46900292009-02-15 12:44:28 +01001389void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
1390 u16 transaction, u16 auth_alg,
Johannes Bergfffd0932009-07-08 14:22:54 +02001391 u8 *extra, size_t extra_len, const u8 *bssid,
1392 const u8 *key, u8 key_len, u8 key_idx);
Johannes Bergde95a542009-04-01 11:58:36 +02001393int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
Johannes Berg4d36ec582009-10-27 20:59:55 +01001394 const u8 *ie, size_t ie_len,
Jouni Malinen651b5222010-08-28 19:37:51 +03001395 enum ieee80211_band band, u32 rate_mask,
1396 u8 channel);
Juuso Oikarinena619a4c2010-11-11 08:50:18 +02001397struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
Johannes Berg85a237f2011-07-18 18:08:36 +02001398 u8 *dst, u32 ratemask,
Juuso Oikarinena619a4c2010-11-11 08:50:18 +02001399 const u8 *ssid, size_t ssid_len,
Paul Stewarta806c552011-06-23 09:00:11 -08001400 const u8 *ie, size_t ie_len,
1401 bool directed);
Johannes Berg46900292009-02-15 12:44:28 +01001402void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
Johannes Bergde95a542009-04-01 11:58:36 +02001403 const u8 *ssid, size_t ssid_len,
Paul Stewarta806c552011-06-23 09:00:11 -08001404 const u8 *ie, size_t ie_len,
Rajkumar Manoharanaad14ce2011-09-25 14:53:31 +05301405 u32 ratemask, bool directed, bool no_cck);
Johannes Berg46900292009-02-15 12:44:28 +01001406
1407void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
1408 const size_t supp_rates_len,
1409 const u8 *supp_rates);
1410u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
1411 struct ieee802_11_elems *elems,
1412 enum ieee80211_band band);
Johannes Berg0f782312009-12-01 13:37:02 +01001413int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1414 enum ieee80211_smps_mode smps_mode);
Johannes Berg025e6be2010-10-05 10:41:47 +02001415void ieee80211_recalc_smps(struct ieee80211_local *local);
Johannes Berg46900292009-02-15 12:44:28 +01001416
Johannes Berg8e664fb2009-12-23 13:15:38 +01001417size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
1418 const u8 *ids, int n_ids, size_t offset);
1419size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
Ben Greearef96a8422011-11-18 11:32:00 -08001420u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
Alexander Simon42e7aa72011-10-26 14:47:26 -07001421 u16 cap);
1422u8 *ieee80211_ie_build_ht_info(u8 *pos,
1423 struct ieee80211_sta_ht_cap *ht_cap,
1424 struct ieee80211_channel *channel,
1425 enum nl80211_channel_type channel_type);
Johannes Berg8e664fb2009-12-23 13:15:38 +01001426
Johannes Bergaf6b6372009-12-23 13:15:35 +01001427/* internal work items */
1428void ieee80211_work_init(struct ieee80211_local *local);
1429void ieee80211_add_work(struct ieee80211_work *wk);
1430void free_work(struct ieee80211_work *wk);
1431void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata);
1432ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata,
1433 struct sk_buff *skb);
Johannes Bergb8bc4b02009-12-23 13:15:42 +01001434int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata,
1435 struct ieee80211_channel *chan,
1436 enum nl80211_channel_type channel_type,
1437 unsigned int duration, u64 *cookie);
1438int ieee80211_wk_cancel_remain_on_channel(
1439 struct ieee80211_sub_if_data *sdata, u64 cookie);
Johannes Bergaf6b6372009-12-23 13:15:35 +01001440
Johannes Bergf444de02010-05-05 15:25:02 +02001441/* channel management */
1442enum ieee80211_chan_mode {
1443 CHAN_MODE_UNDEFINED,
1444 CHAN_MODE_HOPPING,
1445 CHAN_MODE_FIXED,
1446};
1447
1448enum ieee80211_chan_mode
1449ieee80211_get_channel_mode(struct ieee80211_local *local,
1450 struct ieee80211_sub_if_data *ignore);
Johannes Berg0aaffa92010-05-05 15:28:27 +02001451bool ieee80211_set_channel_type(struct ieee80211_local *local,
1452 struct ieee80211_sub_if_data *sdata,
1453 enum nl80211_channel_type chantype);
Alexander Simon42e7aa72011-10-26 14:47:26 -07001454enum nl80211_channel_type
1455ieee80211_ht_info_to_channel_type(struct ieee80211_ht_info *ht_info);
Johannes Bergf444de02010-05-05 15:25:02 +02001456
Johannes Bergf4ea83d2008-06-30 15:10:46 +02001457#ifdef CONFIG_MAC80211_NOINLINE
Johannes Bergd9e8a702008-06-30 15:10:44 +02001458#define debug_noinline noinline
1459#else
1460#define debug_noinline
1461#endif
1462
Jiri Bencf0706e82007-05-05 11:45:53 -07001463#endif /* IEEE80211_I_H */