2 * Copyright 2002-2005, Instant802 Networks, Inc.
3 * Copyright 2005, Devicescape Software, Inc.
4 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
5 * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
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.
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>
25 #include <linux/etherdevice.h>
26 #include <linux/leds.h>
27 #include <net/ieee80211_radiotap.h>
28 #include <net/cfg80211.h>
29 #include <net/mac80211.h>
33 struct ieee80211_local
;
35 /* Maximum number of broadcast/multicast frames to buffer when some of the
36 * associated stations are using power saving. */
37 #define AP_MAX_BC_BUFFER 128
39 /* Maximum number of frames buffered to all STAs, including multicast frames.
40 * Note: increasing this limit increases the potential memory requirement. Each
41 * frame can be up to about 2 kB long. */
42 #define TOTAL_MAX_TX_BUFFER 512
44 /* Required encryption head and tailroom */
45 #define IEEE80211_ENCRYPT_HEADROOM 8
46 #define IEEE80211_ENCRYPT_TAILROOM 18
48 /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent
49 * reception of at least three fragmented frames. This limit can be increased
50 * by changing this define, at the cost of slower frame reassembly and
51 * increased memory use (about 2 kB of RAM per entry). */
52 #define IEEE80211_FRAGMENT_MAX 4
54 #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024))
56 #define IEEE80211_DEFAULT_UAPSD_QUEUES \
57 (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \
58 IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \
59 IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \
60 IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
62 #define IEEE80211_DEFAULT_MAX_SP_LEN \
63 IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
65 struct ieee80211_fragment_entry
{
66 unsigned long first_frag_time
;
68 unsigned int rx_queue
;
69 unsigned int last_frag
;
70 unsigned int extra_len
;
71 struct sk_buff_head skb_list
;
72 int ccmp
; /* Whether fragments were encrypted with CCMP */
73 u8 last_pn
[6]; /* PN of the last fragment if CCMP was used */
77 struct ieee80211_bss
{
78 /* don't want to look up all the time */
80 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
87 unsigned long last_probe_resp
;
89 #ifdef CONFIG_MAC80211_MESH
95 #define IEEE80211_MAX_SUPP_RATES 32
96 u8 supp_rates
[IEEE80211_MAX_SUPP_RATES
];
97 size_t supp_rates_len
;
100 * During association, we save an ERP value from a probe response so
101 * that we can feed ERP info to the driver when handling the
102 * association completes. these fields probably won't be up-to-date
103 * otherwise, you probably don't want to use them.
109 static inline u8
*bss_mesh_cfg(struct ieee80211_bss
*bss
)
111 #ifdef CONFIG_MAC80211_MESH
112 return bss
->mesh_cfg
;
117 static inline u8
*bss_mesh_id(struct ieee80211_bss
*bss
)
119 #ifdef CONFIG_MAC80211_MESH
125 static inline u8
bss_mesh_id_len(struct ieee80211_bss
*bss
)
127 #ifdef CONFIG_MAC80211_MESH
128 return bss
->mesh_id_len
;
134 typedef unsigned __bitwise__ ieee80211_tx_result
;
135 #define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
136 #define TX_DROP ((__force ieee80211_tx_result) 1u)
137 #define TX_QUEUED ((__force ieee80211_tx_result) 2u)
139 #define IEEE80211_TX_FRAGMENTED BIT(0)
140 #define IEEE80211_TX_UNICAST BIT(1)
141 #define IEEE80211_TX_PS_BUFFERED BIT(2)
143 struct ieee80211_tx_data
{
145 struct ieee80211_local
*local
;
146 struct ieee80211_sub_if_data
*sdata
;
147 struct sta_info
*sta
;
148 struct ieee80211_key
*key
;
150 struct ieee80211_channel
*channel
;
157 typedef 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)
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
171 * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering
173 * These are per-frame flags that are attached to a frame in the
174 * @rx_flags field of &struct ieee80211_rx_status.
176 enum 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),
182 IEEE80211_RX_DEFERRED_RELEASE
= BIT(5),
186 * enum ieee80211_rx_flags - RX data flags
188 * @IEEE80211_RX_CMNTR: received on cooked monitor already
190 * These flags are used across handling multiple interfaces
191 * for a single frame.
193 enum ieee80211_rx_flags
{
194 IEEE80211_RX_CMNTR
= BIT(0),
197 struct ieee80211_rx_data
{
199 struct ieee80211_local
*local
;
200 struct ieee80211_sub_if_data
*sdata
;
201 struct sta_info
*sta
;
202 struct ieee80211_key
*key
;
212 int head_len
, tail_len
;
216 struct ieee80211_if_ap
{
217 struct beacon_data __rcu
*beacon
;
219 struct list_head vlans
;
221 /* yes, this looks ugly, but guarantees that we can later use
223 * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */
224 u8 tim
[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID
+ 1)];
225 struct sk_buff_head ps_bc_buf
;
226 atomic_t num_sta_ps
; /* number of stations in PS mode */
231 struct ieee80211_if_wds
{
232 struct sta_info
*sta
;
233 u8 remote_addr
[ETH_ALEN
];
236 struct ieee80211_if_vlan
{
237 struct list_head list
;
239 /* used for all tx if the VLAN is configured to 4-addr mode */
240 struct sta_info __rcu
*sta
;
244 __u32 fwded_mcast
; /* Mesh forwarded multicast frames */
245 __u32 fwded_unicast
; /* Mesh forwarded unicast frames */
246 __u32 fwded_frames
; /* Mesh total forwarded frames */
247 __u32 dropped_frames_ttl
; /* Not transmitted since mesh_ttl == 0*/
248 __u32 dropped_frames_no_route
; /* Not transmitted, no route found */
249 atomic_t estab_plinks
;
252 #define PREQ_Q_F_START 0x1
253 #define PREQ_Q_F_REFRESH 0x2
254 struct mesh_preq_queue
{
255 struct list_head list
;
260 enum ieee80211_work_type
{
261 IEEE80211_WORK_ABORT
,
262 IEEE80211_WORK_DIRECT_PROBE
,
264 IEEE80211_WORK_ASSOC_BEACON_WAIT
,
265 IEEE80211_WORK_ASSOC
,
266 IEEE80211_WORK_REMAIN_ON_CHANNEL
,
267 IEEE80211_WORK_OFFCHANNEL_TX
,
271 * enum work_done_result - indicates what to do after work was done
273 * @WORK_DONE_DESTROY: This work item is no longer needed, destroy.
274 * @WORK_DONE_REQUEUE: This work item was reset to be reused, and
275 * should be requeued.
277 enum work_done_result
{
282 struct ieee80211_work
{
283 struct list_head list
;
285 struct rcu_head rcu_head
;
287 struct ieee80211_sub_if_data
*sdata
;
289 enum work_done_result (*done
)(struct ieee80211_work
*wk
,
290 struct sk_buff
*skb
);
292 struct ieee80211_channel
*chan
;
293 enum nl80211_channel_type chan_type
;
295 unsigned long timeout
;
296 enum ieee80211_work_type type
;
298 u8 filter_ta
[ETH_ALEN
];
305 u16 algorithm
, transaction
;
306 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
308 u8 key
[WLAN_KEY_LEN_WEP104
];
313 struct cfg80211_bss
*bss
;
314 const u8
*supp_rates
;
315 const u8
*ht_information_ie
;
316 enum ieee80211_smps_mode smps
;
319 u8 prev_bssid
[ETH_ALEN
];
320 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
323 bool wmm_used
, use_11n
, uapsd_used
;
329 struct sk_buff
*frame
;
340 /* flags used in struct ieee80211_if_managed.flags */
341 enum ieee80211_sta_flags
{
342 IEEE80211_STA_BEACON_POLL
= BIT(0),
343 IEEE80211_STA_CONNECTION_POLL
= BIT(1),
344 IEEE80211_STA_CONTROL_PORT
= BIT(2),
345 IEEE80211_STA_DISABLE_11N
= BIT(4),
346 IEEE80211_STA_CSA_RECEIVED
= BIT(5),
347 IEEE80211_STA_MFP_ENABLED
= BIT(6),
348 IEEE80211_STA_UAPSD_ENABLED
= BIT(7),
349 IEEE80211_STA_NULLFUNC_ACKED
= BIT(8),
350 IEEE80211_STA_RESET_SIGNAL_AVE
= BIT(9),
353 struct ieee80211_if_managed
{
354 struct timer_list timer
;
355 struct timer_list conn_mon_timer
;
356 struct timer_list bcn_mon_timer
;
357 struct timer_list chswitch_timer
;
358 struct work_struct monitor_work
;
359 struct work_struct chswitch_work
;
360 struct work_struct beacon_connection_loss_work
;
362 unsigned long beacon_timeout
;
363 unsigned long probe_timeout
;
364 int probe_send_count
;
365 bool nullfunc_failed
;
368 struct cfg80211_bss
*associated
;
374 unsigned long timers_running
; /* used for quiesce/restart */
375 bool powersave
; /* powersave requested for this iface */
376 enum ieee80211_smps_mode req_smps
, /* requested smps mode */
377 ap_smps
, /* smps mode AP thinks we're in */
378 driver_smps_mode
; /* smps mode request */
380 struct work_struct request_smps_work
;
384 bool beacon_crc_valid
;
388 IEEE80211_MFP_DISABLED
,
389 IEEE80211_MFP_OPTIONAL
,
390 IEEE80211_MFP_REQUIRED
391 } mfp
; /* management frame protection */
393 int wmm_last_param_set
;
397 /* Signal strength from the last Beacon frame in the current BSS. */
398 int last_beacon_signal
;
401 * Weighted average of the signal strength from Beacon frames in the
402 * current BSS. This is in units of 1/16 of the signal unit to maintain
403 * accuracy and to speed up calculations, i.e., the value need to be
404 * divided by 16 to get the actual value.
406 int ave_beacon_signal
;
409 * Number of Beacon frames used in ave_beacon_signal. This can be used
410 * to avoid generating less reliable cqm events that would be based
411 * only on couple of received frames.
413 unsigned int count_beacon_signal
;
416 * Last Beacon frame signal strength average (ave_beacon_signal / 16)
417 * that triggered a cqm event. 0 indicates that no event has been
418 * generated for the current association.
420 int last_cqm_event_signal
;
423 struct ieee80211_if_ibss
{
424 struct timer_list timer
;
428 unsigned long last_scan_completed
;
439 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
442 struct ieee80211_channel
*channel
;
444 unsigned long ibss_join_req
;
445 /* probe response/beacon for IBSS */
446 struct sk_buff __rcu
*presp
;
450 IEEE80211_IBSS_MLME_SEARCH
,
451 IEEE80211_IBSS_MLME_JOINED
,
455 struct ieee80211_if_mesh
{
456 struct timer_list housekeeping_timer
;
457 struct timer_list mesh_path_timer
;
458 struct timer_list mesh_path_root_timer
;
460 unsigned long timers_running
;
462 unsigned long wrkq_flags
;
464 u8 mesh_id
[IEEE80211_MAX_MESH_ID_LEN
];
466 /* Active Path Selection Protocol Identifier */
468 /* Active Path Selection Metric Identifier */
470 /* Congestion Control Mode Identifier */
472 /* Synchronization Protocol Identifier */
474 /* Authentication Protocol Identifier */
476 /* Local mesh Sequence Number */
478 /* Last used PREQ ID */
481 /* Timestamp of last SN update */
482 unsigned long last_sn_update
;
483 /* Timestamp of last SN sent */
484 unsigned long last_preq
;
485 struct mesh_rmc
*rmc
;
486 spinlock_t mesh_preq_queue_lock
;
487 struct mesh_preq_queue preq_queue
;
489 struct mesh_stats mshstats
;
490 struct mesh_config mshcfg
;
492 bool accepting_plinks
;
496 IEEE80211_MESH_SEC_NONE
= 0x0,
497 IEEE80211_MESH_SEC_AUTHED
= 0x1,
498 IEEE80211_MESH_SEC_SECURED
= 0x2,
502 #ifdef CONFIG_MAC80211_MESH
503 #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
504 do { (msh)->mshstats.name++; } while (0)
506 #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
511 * enum ieee80211_sub_if_data_flags - virtual interface flags
513 * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets
514 * @IEEE80211_SDATA_PROMISC: interface is promisc
515 * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode
516 * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between
517 * associated stations and deliver multicast frames both
518 * back to wireless media and to the local net stack.
520 enum ieee80211_sub_if_data_flags
{
521 IEEE80211_SDATA_ALLMULTI
= BIT(0),
522 IEEE80211_SDATA_PROMISC
= BIT(1),
523 IEEE80211_SDATA_OPERATING_GMODE
= BIT(2),
524 IEEE80211_SDATA_DONT_BRIDGE_PACKETS
= BIT(3),
528 * enum ieee80211_sdata_state_bits - virtual interface state bits
529 * @SDATA_STATE_RUNNING: virtual interface is up & running; this
530 * mirrors netif_running() but is separate for interface type
531 * change handling while the interface is up
532 * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel
533 * mode, so queues are stopped
535 enum ieee80211_sdata_state_bits
{
537 SDATA_STATE_OFFCHANNEL
,
540 struct ieee80211_sub_if_data
{
541 struct list_head list
;
543 struct wireless_dev wdev
;
546 struct list_head key_list
;
548 struct net_device
*dev
;
549 struct ieee80211_local
*local
;
555 int drop_unencrypted
;
560 * keep track of whether the HT opmode (stored in
561 * vif.bss_info.ht_operation_mode) is valid.
563 bool ht_opmode_valid
;
565 /* to detect idle changes */
568 /* Fragment table for host-based reassembly */
569 struct ieee80211_fragment_entry fragments
[IEEE80211_FRAGMENT_MAX
];
570 unsigned int fragment_next
;
572 struct ieee80211_key __rcu
*keys
[NUM_DEFAULT_KEYS
+ NUM_DEFAULT_MGMT_KEYS
];
573 struct ieee80211_key __rcu
*default_unicast_key
;
574 struct ieee80211_key __rcu
*default_multicast_key
;
575 struct ieee80211_key __rcu
*default_mgmt_key
;
578 __be16 control_port_protocol
;
579 bool control_port_no_encrypt
;
581 struct work_struct work
;
582 struct sk_buff_head skb_queue
;
584 bool arp_filter_state
;
587 * AP this belongs to: self in AP mode and
588 * corresponding AP in VLAN mode, NULL for
589 * all others (might be needed later in IBSS)
591 struct ieee80211_if_ap
*bss
;
593 /* bitmap of allowed (non-MCS) rate indexes for rate control */
594 u32 rc_rateidx_mask
[IEEE80211_NUM_BANDS
];
597 struct ieee80211_if_ap ap
;
598 struct ieee80211_if_wds wds
;
599 struct ieee80211_if_vlan vlan
;
600 struct ieee80211_if_managed mgd
;
601 struct ieee80211_if_ibss ibss
;
602 struct ieee80211_if_mesh mesh
;
606 #ifdef CONFIG_MAC80211_DEBUGFS
609 struct dentry
*subdir_stations
;
610 struct dentry
*default_unicast_key
;
611 struct dentry
*default_multicast_key
;
612 struct dentry
*default_mgmt_key
;
615 /* must be last, dynamically sized area in this! */
616 struct ieee80211_vif vif
;
620 struct ieee80211_sub_if_data
*vif_to_sdata(struct ieee80211_vif
*p
)
622 return container_of(p
, struct ieee80211_sub_if_data
, vif
);
625 enum sdata_queue_type
{
626 IEEE80211_SDATA_QUEUE_TYPE_FRAME
= 0,
627 IEEE80211_SDATA_QUEUE_AGG_START
= 1,
628 IEEE80211_SDATA_QUEUE_AGG_STOP
= 2,
632 IEEE80211_RX_MSG
= 1,
633 IEEE80211_TX_STATUS_MSG
= 2,
636 enum queue_stop_reason
{
637 IEEE80211_QUEUE_STOP_REASON_DRIVER
,
638 IEEE80211_QUEUE_STOP_REASON_PS
,
639 IEEE80211_QUEUE_STOP_REASON_CSA
,
640 IEEE80211_QUEUE_STOP_REASON_AGGREGATION
,
641 IEEE80211_QUEUE_STOP_REASON_SUSPEND
,
642 IEEE80211_QUEUE_STOP_REASON_SKB_ADD
,
645 #ifdef CONFIG_MAC80211_LEDS
646 struct tpt_led_trigger
{
647 struct led_trigger trig
;
649 const struct ieee80211_tpt_blink
*blink_table
;
650 unsigned int blink_table_len
;
651 struct timer_list timer
;
652 unsigned long prev_traffic
;
653 unsigned long tx_bytes
, rx_bytes
;
654 unsigned int active
, want
;
660 * mac80211 scan flags - currently active scan mode
662 * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as
663 * well be on the operating channel
664 * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
665 * determine if we are on the operating channel or not
666 * @SCAN_COMPLETED: Set for our scan work function when the driver reported
667 * that the scan completed.
668 * @SCAN_ABORTED: Set for our scan work function when the driver reported
669 * a scan complete for an aborted scan.
679 * enum mac80211_scan_state - scan state machine states
681 * @SCAN_DECISION: Main entry point to the scan state machine, this state
682 * determines if we should keep on scanning or switch back to the
684 * @SCAN_SET_CHANNEL: Set the next channel to be scanned
685 * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses
686 * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP
687 * about us leaving the channel and stop all associated STA interfaces
688 * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the
689 * AP about us being back and restart all associated STA interfaces
691 enum mac80211_scan_state
{
695 SCAN_LEAVE_OPER_CHANNEL
,
696 SCAN_ENTER_OPER_CHANNEL
,
699 struct ieee80211_local
{
700 /* embed the driver visible part.
701 * don't cast (use the static inlines below), but we keep
702 * it first anyway so they become a no-op */
703 struct ieee80211_hw hw
;
705 const struct ieee80211_ops
*ops
;
708 * work stuff, potentially off-channel (in the future)
710 struct list_head work_list
;
711 struct timer_list work_timer
;
712 struct work_struct work_work
;
713 struct sk_buff_head work_skb_queue
;
716 * private workqueue to mac80211. mac80211 makes this accessible
717 * via ieee80211_queue_work()
719 struct workqueue_struct
*workqueue
;
721 unsigned long queue_stop_reasons
[IEEE80211_MAX_QUEUES
];
722 /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
723 spinlock_t queue_stop_reason_lock
;
726 int monitors
, cooked_mntrs
;
727 /* number of interfaces with corresponding FIF_ flags */
728 int fif_fcsfail
, fif_plcpfail
, fif_control
, fif_other_bss
, fif_pspoll
,
731 unsigned int filter_flags
; /* FIF_* */
733 bool wiphy_ciphers_allocated
;
735 /* protects the aggregated multicast list and filter calls */
736 spinlock_t filter_lock
;
738 /* used for uploading changed mc list */
739 struct work_struct reconfig_filter
;
741 /* used to reconfigure hardware SM PS */
742 struct work_struct recalc_smps
;
744 /* aggregated multicast list */
745 struct netdev_hw_addr_list mc_list
;
747 bool tim_in_locked_section
; /* see ieee80211_beacon_get() */
750 * suspended is true if we finished all the suspend _and_ we have
751 * not yet come up from resume. This is to be used by mac80211
752 * to ensure driver sanity during suspend and mac80211's own
753 * sanity. It can eventually be used for WoW as well.
758 * Resuming is true while suspended, but when we're reprogramming the
759 * hardware -- at that time it's allowed to use ieee80211_queue_work()
760 * again even though some other parts of the stack are still suspended
761 * and we still drop received frames to avoid waking the stack.
766 * quiescing is true during the suspend process _only_ to
767 * ease timer cancelling etc.
771 /* device is started */
774 /* wowlan is enabled -- don't reconfig on resume */
777 int tx_headroom
; /* required headroom for hardware/radiotap */
779 /* Tasklet and skb queue to process calls from IRQ mode. All frames
780 * added to skb_queue will be processed, but frames in
781 * skb_queue_unreliable may be dropped if the total length of these
782 * queues increases over the limit. */
783 #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
784 struct tasklet_struct tasklet
;
785 struct sk_buff_head skb_queue
;
786 struct sk_buff_head skb_queue_unreliable
;
789 * Internal FIFO queue which is shared between multiple rx path
790 * stages. Its main task is to provide a serialization mechanism,
791 * so all rx handlers can enjoy having exclusive access to their
792 * private data structures.
794 struct sk_buff_head rx_skb_queue
;
795 bool running_rx_handler
; /* protected by rx_skb_queue.lock */
799 * The mutex only protects the list and counter,
800 * reads are done in RCU.
801 * Additionally, the lock protects the hash table,
802 * the pending list and each BSS's TIM bitmap.
804 struct mutex sta_mtx
;
806 unsigned long num_sta
;
807 struct list_head sta_list
, sta_pending_list
;
808 struct sta_info __rcu
*sta_hash
[STA_HASH_SIZE
];
809 struct timer_list sta_cleanup
;
810 struct work_struct sta_finish_work
;
813 struct sk_buff_head pending
[IEEE80211_MAX_QUEUES
];
814 struct tasklet_struct tx_pending_tasklet
;
816 atomic_t agg_queue_stop
[IEEE80211_MAX_QUEUES
];
818 /* number of interfaces with corresponding IFF_ flags */
819 atomic_t iff_allmultis
, iff_promiscs
;
821 struct rate_control_ref
*rate_ctrl
;
823 struct crypto_cipher
*wep_tx_tfm
;
824 struct crypto_cipher
*wep_rx_tfm
;
828 struct list_head interfaces
;
829 struct mutex iflist_mtx
;
832 * Key mutex, protects sdata's key_list and sta_info's
833 * key pointers (write access, they're RCU.)
835 struct mutex key_mtx
;
837 /* mutex for scan and work locking */
840 /* Scanning and BSS list */
841 unsigned long scanning
;
842 struct cfg80211_ssid scan_ssid
;
843 struct cfg80211_scan_request
*int_scan_req
;
844 struct cfg80211_scan_request
*scan_req
, *hw_scan_req
;
845 struct ieee80211_channel
*scan_channel
;
846 enum ieee80211_band hw_scan_band
;
847 int scan_channel_idx
;
851 struct ieee80211_sched_scan_ies sched_scan_ies
;
852 struct work_struct sched_scan_stopped_work
;
854 unsigned long leave_oper_channel_time
;
855 enum mac80211_scan_state next_scan_state
;
856 struct delayed_work scan_work
;
857 struct ieee80211_sub_if_data
*scan_sdata
;
858 enum nl80211_channel_type _oper_channel_type
;
859 struct ieee80211_channel
*oper_channel
, *csa_channel
;
861 /* Temporary remain-on-channel for off-channel operations */
862 struct ieee80211_channel
*tmp_channel
;
863 enum nl80211_channel_type tmp_channel_type
;
866 /* dot11CountersTable */
867 u32 dot11TransmittedFragmentCount
;
868 u32 dot11MulticastTransmittedFrameCount
;
869 u32 dot11FailedCount
;
871 u32 dot11MultipleRetryCount
;
872 u32 dot11FrameDuplicateCount
;
873 u32 dot11ReceivedFragmentCount
;
874 u32 dot11MulticastReceivedFrameCount
;
875 u32 dot11TransmittedFrameCount
;
877 #ifdef CONFIG_MAC80211_LEDS
878 int tx_led_counter
, rx_led_counter
;
879 struct led_trigger
*tx_led
, *rx_led
, *assoc_led
, *radio_led
;
880 struct tpt_led_trigger
*tpt_led_trigger
;
881 char tx_led_name
[32], rx_led_name
[32],
882 assoc_led_name
[32], radio_led_name
[32];
885 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
886 /* TX/RX handler statistics */
887 unsigned int tx_handlers_drop
;
888 unsigned int tx_handlers_queued
;
889 unsigned int tx_handlers_drop_unencrypted
;
890 unsigned int tx_handlers_drop_fragment
;
891 unsigned int tx_handlers_drop_wep
;
892 unsigned int tx_handlers_drop_not_assoc
;
893 unsigned int tx_handlers_drop_unauth_port
;
894 unsigned int rx_handlers_drop
;
895 unsigned int rx_handlers_queued
;
896 unsigned int rx_handlers_drop_nullfunc
;
897 unsigned int rx_handlers_drop_defrag
;
898 unsigned int rx_handlers_drop_short
;
899 unsigned int rx_handlers_drop_passive_scan
;
900 unsigned int tx_expand_skb_head
;
901 unsigned int tx_expand_skb_head_cloned
;
902 unsigned int rx_expand_skb_head
;
903 unsigned int rx_expand_skb_head2
;
904 unsigned int rx_handlers_fragments
;
905 unsigned int tx_status_drop
;
906 #define I802_DEBUG_INC(c) (c)++
907 #else /* CONFIG_MAC80211_DEBUG_COUNTERS */
908 #define I802_DEBUG_INC(c) do { } while (0)
909 #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
912 int total_ps_buffered
; /* total number of all buffered unicast and
913 * multicast packets for power saving stations
915 int wifi_wme_noack_test
;
916 unsigned int wmm_acm
; /* bit field of ACM bits (BIT(802.1D tag)) */
919 * Bitmask of enabled u-apsd queues,
920 * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association
923 unsigned int uapsd_queues
;
926 * Maximum number of buffered frames AP can deliver during a
927 * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar.
928 * Needs a new association to take effect.
930 unsigned int uapsd_max_sp_len
;
933 bool offchannel_ps_enabled
;
935 * PS can only be enabled when we have exactly one managed
936 * interface (and monitors) in PS, this then points there.
938 struct ieee80211_sub_if_data
*ps_sdata
;
939 struct work_struct dynamic_ps_enable_work
;
940 struct work_struct dynamic_ps_disable_work
;
941 struct timer_list dynamic_ps_timer
;
942 struct notifier_block network_latency_notifier
;
943 struct notifier_block ifa_notifier
;
946 * The dynamic ps timeout configured from user space via WEXT -
947 * this will override whatever chosen by mac80211 internally.
949 int dynamic_ps_forced_timeout
;
950 int dynamic_ps_user_timeout
;
951 bool disable_dynamic_ps
;
953 int user_power_level
; /* in dBm */
954 int power_constr_level
; /* in dBm */
956 enum ieee80211_smps_mode smps_mode
;
958 struct work_struct restart_work
;
960 #ifdef CONFIG_MAC80211_DEBUGFS
961 struct local_debugfsdentries
{
962 struct dentry
*rcdir
;
967 struct ieee80211_channel
*hw_roc_channel
;
968 struct net_device
*hw_roc_dev
;
969 struct sk_buff
*hw_roc_skb
, *hw_roc_skb_for_status
;
970 struct work_struct hw_roc_start
, hw_roc_done
;
971 enum nl80211_channel_type hw_roc_channel_type
;
972 unsigned int hw_roc_duration
;
975 unsigned long hw_offchan_tx_cookie
;
977 /* dummy netdev for use w/ NAPI */
978 struct net_device napi_dev
;
980 struct napi_struct napi
;
983 static inline struct ieee80211_sub_if_data
*
984 IEEE80211_DEV_TO_SUB_IF(struct net_device
*dev
)
986 return netdev_priv(dev
);
989 /* this struct represents 802.11n's RA/TID combination */
990 struct ieee80211_ra_tid
{
995 /* Parsed Information Elements */
996 struct ieee802_11_elems
{
1000 /* pointers to IEs */
1006 struct ieee80211_tim_ie
*tim
;
1015 struct ieee80211_ht_cap
*ht_cap_elem
;
1016 struct ieee80211_ht_info
*ht_info_elem
;
1017 struct ieee80211_meshconf_ie
*mesh_config
;
1023 struct ieee80211_rann_ie
*rann
;
1026 u8
*pwr_constr_elem
;
1027 u8
*quiet_elem
; /* first quite element */
1030 /* length of them, respectively */
1042 u8 ext_supp_rates_len
;
1050 u8 ch_switch_elem_len
;
1051 u8 country_elem_len
;
1052 u8 pwr_constr_elem_len
;
1054 u8 num_of_quiet_elem
; /* can be more the one */
1058 static inline struct ieee80211_local
*hw_to_local(
1059 struct ieee80211_hw
*hw
)
1061 return container_of(hw
, struct ieee80211_local
, hw
);
1064 static inline struct ieee80211_hw
*local_to_hw(
1065 struct ieee80211_local
*local
)
1071 static inline int ieee80211_bssid_match(const u8
*raddr
, const u8
*addr
)
1073 return compare_ether_addr(raddr
, addr
) == 0 ||
1074 is_broadcast_ether_addr(raddr
);
1078 int ieee80211_hw_config(struct ieee80211_local
*local
, u32 changed
);
1079 void ieee80211_tx_set_protected(struct ieee80211_tx_data
*tx
);
1080 void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data
*sdata
,
1082 void ieee80211_configure_filter(struct ieee80211_local
*local
);
1083 u32
ieee80211_reset_erp_info(struct ieee80211_sub_if_data
*sdata
);
1086 void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data
*sdata
);
1087 int ieee80211_mgd_auth(struct ieee80211_sub_if_data
*sdata
,
1088 struct cfg80211_auth_request
*req
);
1089 int ieee80211_mgd_assoc(struct ieee80211_sub_if_data
*sdata
,
1090 struct cfg80211_assoc_request
*req
);
1091 int ieee80211_mgd_deauth(struct ieee80211_sub_if_data
*sdata
,
1092 struct cfg80211_deauth_request
*req
,
1094 int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data
*sdata
,
1095 struct cfg80211_disassoc_request
*req
,
1097 void ieee80211_send_pspoll(struct ieee80211_local
*local
,
1098 struct ieee80211_sub_if_data
*sdata
);
1099 void ieee80211_recalc_ps(struct ieee80211_local
*local
, s32 latency
);
1100 int ieee80211_max_network_latency(struct notifier_block
*nb
,
1101 unsigned long data
, void *dummy
);
1102 int ieee80211_set_arp_filter(struct ieee80211_sub_if_data
*sdata
);
1103 void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data
*sdata
,
1104 struct ieee80211_channel_sw_ie
*sw_elem
,
1105 struct ieee80211_bss
*bss
,
1107 void ieee80211_sta_quiesce(struct ieee80211_sub_if_data
*sdata
);
1108 void ieee80211_sta_restart(struct ieee80211_sub_if_data
*sdata
);
1109 void ieee80211_sta_work(struct ieee80211_sub_if_data
*sdata
);
1110 void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data
*sdata
,
1111 struct sk_buff
*skb
);
1112 void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data
*sdata
);
1113 void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data
*sdata
);
1116 void ieee80211_ibss_notify_scan_completed(struct ieee80211_local
*local
);
1117 void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data
*sdata
);
1118 struct sta_info
*ieee80211_ibss_add_sta(struct ieee80211_sub_if_data
*sdata
,
1119 u8
*bssid
, u8
*addr
, u32 supp_rates
,
1121 int ieee80211_ibss_join(struct ieee80211_sub_if_data
*sdata
,
1122 struct cfg80211_ibss_params
*params
);
1123 int ieee80211_ibss_leave(struct ieee80211_sub_if_data
*sdata
);
1124 void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data
*sdata
);
1125 void ieee80211_ibss_restart(struct ieee80211_sub_if_data
*sdata
);
1126 void ieee80211_ibss_work(struct ieee80211_sub_if_data
*sdata
);
1127 void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data
*sdata
,
1128 struct sk_buff
*skb
);
1131 void ieee80211_mesh_work(struct ieee80211_sub_if_data
*sdata
);
1132 void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data
*sdata
,
1133 struct sk_buff
*skb
);
1135 /* scan/BSS handling */
1136 void ieee80211_scan_work(struct work_struct
*work
);
1137 int ieee80211_request_internal_scan(struct ieee80211_sub_if_data
*sdata
,
1138 const u8
*ssid
, u8 ssid_len
,
1139 struct ieee80211_channel
*chan
);
1140 int ieee80211_request_scan(struct ieee80211_sub_if_data
*sdata
,
1141 struct cfg80211_scan_request
*req
);
1142 void ieee80211_scan_cancel(struct ieee80211_local
*local
);
1144 ieee80211_scan_rx(struct ieee80211_sub_if_data
*sdata
, struct sk_buff
*skb
);
1146 void ieee80211_mlme_notify_scan_completed(struct ieee80211_local
*local
);
1147 struct ieee80211_bss
*
1148 ieee80211_bss_info_update(struct ieee80211_local
*local
,
1149 struct ieee80211_rx_status
*rx_status
,
1150 struct ieee80211_mgmt
*mgmt
,
1152 struct ieee802_11_elems
*elems
,
1153 struct ieee80211_channel
*channel
,
1155 struct ieee80211_bss
*
1156 ieee80211_rx_bss_get(struct ieee80211_local
*local
, u8
*bssid
, int freq
,
1157 u8
*ssid
, u8 ssid_len
);
1158 void ieee80211_rx_bss_put(struct ieee80211_local
*local
,
1159 struct ieee80211_bss
*bss
);
1161 /* scheduled scan handling */
1162 int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data
*sdata
,
1163 struct cfg80211_sched_scan_request
*req
);
1164 int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data
*sdata
);
1165 void ieee80211_sched_scan_stopped_work(struct work_struct
*work
);
1167 /* off-channel helpers */
1168 bool ieee80211_cfg_on_oper_channel(struct ieee80211_local
*local
);
1169 void ieee80211_offchannel_enable_all_ps(struct ieee80211_local
*local
,
1171 void ieee80211_offchannel_stop_vifs(struct ieee80211_local
*local
,
1172 bool offchannel_ps_enable
);
1173 void ieee80211_offchannel_return(struct ieee80211_local
*local
,
1174 bool enable_beaconing
,
1175 bool offchannel_ps_disable
);
1176 void ieee80211_hw_roc_setup(struct ieee80211_local
*local
);
1178 /* interface handling */
1179 int ieee80211_iface_init(void);
1180 void ieee80211_iface_exit(void);
1181 int ieee80211_if_add(struct ieee80211_local
*local
, const char *name
,
1182 struct net_device
**new_dev
, enum nl80211_iftype type
,
1183 struct vif_params
*params
);
1184 int ieee80211_if_change_type(struct ieee80211_sub_if_data
*sdata
,
1185 enum nl80211_iftype type
);
1186 void ieee80211_if_remove(struct ieee80211_sub_if_data
*sdata
);
1187 void ieee80211_remove_interfaces(struct ieee80211_local
*local
);
1188 u32
__ieee80211_recalc_idle(struct ieee80211_local
*local
);
1189 void ieee80211_recalc_idle(struct ieee80211_local
*local
);
1190 void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data
*sdata
,
1193 static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data
*sdata
)
1195 return test_bit(SDATA_STATE_RUNNING
, &sdata
->state
);
1199 void ieee80211_clear_tx_pending(struct ieee80211_local
*local
);
1200 void ieee80211_tx_pending(unsigned long data
);
1201 netdev_tx_t
ieee80211_monitor_start_xmit(struct sk_buff
*skb
,
1202 struct net_device
*dev
);
1203 netdev_tx_t
ieee80211_subif_start_xmit(struct sk_buff
*skb
,
1204 struct net_device
*dev
);
1207 * radiotap header for status frames
1209 struct ieee80211_tx_status_rtap_hdr
{
1210 struct ieee80211_radiotap_header hdr
;
1212 u8 padding_for_rate
;
1219 void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band
*sband
,
1220 struct ieee80211_ht_cap
*ht_cap_ie
,
1221 struct ieee80211_sta_ht_cap
*ht_cap
);
1222 void ieee80211_send_bar(struct ieee80211_sub_if_data
*sdata
, u8
*ra
, u16 tid
, u16 ssn
);
1223 void ieee80211_send_delba(struct ieee80211_sub_if_data
*sdata
,
1224 const u8
*da
, u16 tid
,
1225 u16 initiator
, u16 reason_code
);
1226 int ieee80211_send_smps_action(struct ieee80211_sub_if_data
*sdata
,
1227 enum ieee80211_smps_mode smps
, const u8
*da
,
1229 void ieee80211_request_smps_work(struct work_struct
*work
);
1231 void ___ieee80211_stop_rx_ba_session(struct sta_info
*sta
, u16 tid
,
1232 u16 initiator
, u16 reason
, bool stop
);
1233 void __ieee80211_stop_rx_ba_session(struct sta_info
*sta
, u16 tid
,
1234 u16 initiator
, u16 reason
, bool stop
);
1235 void ieee80211_sta_tear_down_BA_sessions(struct sta_info
*sta
, bool tx
);
1236 void ieee80211_process_delba(struct ieee80211_sub_if_data
*sdata
,
1237 struct sta_info
*sta
,
1238 struct ieee80211_mgmt
*mgmt
, size_t len
);
1239 void ieee80211_process_addba_resp(struct ieee80211_local
*local
,
1240 struct sta_info
*sta
,
1241 struct ieee80211_mgmt
*mgmt
,
1243 void ieee80211_process_addba_request(struct ieee80211_local
*local
,
1244 struct sta_info
*sta
,
1245 struct ieee80211_mgmt
*mgmt
,
1248 int __ieee80211_stop_tx_ba_session(struct sta_info
*sta
, u16 tid
,
1249 enum ieee80211_back_parties initiator
,
1251 int ___ieee80211_stop_tx_ba_session(struct sta_info
*sta
, u16 tid
,
1252 enum ieee80211_back_parties initiator
,
1254 void ieee80211_start_tx_ba_cb(struct ieee80211_vif
*vif
, u8
*ra
, u16 tid
);
1255 void ieee80211_stop_tx_ba_cb(struct ieee80211_vif
*vif
, u8
*ra
, u8 tid
);
1256 void ieee80211_ba_session_work(struct work_struct
*work
);
1257 void ieee80211_tx_ba_session_handle_start(struct sta_info
*sta
, int tid
);
1258 void ieee80211_release_reorder_timeout(struct sta_info
*sta
, int tid
);
1260 /* Spectrum management */
1261 void ieee80211_process_measurement_req(struct ieee80211_sub_if_data
*sdata
,
1262 struct ieee80211_mgmt
*mgmt
,
1265 /* Suspend/resume and hw reconfiguration */
1266 int ieee80211_reconfig(struct ieee80211_local
*local
);
1267 void ieee80211_stop_device(struct ieee80211_local
*local
);
1270 int __ieee80211_suspend(struct ieee80211_hw
*hw
,
1271 struct cfg80211_wowlan
*wowlan
);
1273 static inline int __ieee80211_resume(struct ieee80211_hw
*hw
)
1275 struct ieee80211_local
*local
= hw_to_local(hw
);
1277 WARN(test_bit(SCAN_HW_SCANNING
, &local
->scanning
),
1278 "%s: resume with hardware scan still in progress\n",
1279 wiphy_name(hw
->wiphy
));
1281 return ieee80211_reconfig(hw_to_local(hw
));
1284 static inline int __ieee80211_suspend(struct ieee80211_hw
*hw
,
1285 struct cfg80211_wowlan
*wowlan
)
1290 static inline int __ieee80211_resume(struct ieee80211_hw
*hw
)
1296 /* utility functions/constants */
1297 extern void *mac80211_wiphy_privid
; /* for wiphy privid */
1298 u8
*ieee80211_get_bssid(struct ieee80211_hdr
*hdr
, size_t len
,
1299 enum nl80211_iftype type
);
1300 int ieee80211_frame_duration(struct ieee80211_local
*local
, size_t len
,
1301 int rate
, int erp
, int short_preamble
);
1302 void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data
*sdata
, int keyidx
,
1303 struct ieee80211_hdr
*hdr
, const u8
*tsc
,
1305 void ieee80211_set_wmm_default(struct ieee80211_sub_if_data
*sdata
);
1306 void ieee80211_tx_skb(struct ieee80211_sub_if_data
*sdata
, struct sk_buff
*skb
);
1307 void ieee802_11_parse_elems(u8
*start
, size_t len
,
1308 struct ieee802_11_elems
*elems
);
1309 u32
ieee802_11_parse_elems_crc(u8
*start
, size_t len
,
1310 struct ieee802_11_elems
*elems
,
1311 u64 filter
, u32 crc
);
1312 u32
ieee80211_mandatory_rates(struct ieee80211_local
*local
,
1313 enum ieee80211_band band
);
1315 void ieee80211_dynamic_ps_enable_work(struct work_struct
*work
);
1316 void ieee80211_dynamic_ps_disable_work(struct work_struct
*work
);
1317 void ieee80211_dynamic_ps_timer(unsigned long data
);
1318 void ieee80211_send_nullfunc(struct ieee80211_local
*local
,
1319 struct ieee80211_sub_if_data
*sdata
,
1321 void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data
*sdata
,
1322 struct ieee80211_hdr
*hdr
);
1323 void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data
*sdata
,
1324 struct ieee80211_hdr
*hdr
, bool ack
);
1325 void ieee80211_beacon_connection_loss_work(struct work_struct
*work
);
1327 void ieee80211_wake_queues_by_reason(struct ieee80211_hw
*hw
,
1328 enum queue_stop_reason reason
);
1329 void ieee80211_stop_queues_by_reason(struct ieee80211_hw
*hw
,
1330 enum queue_stop_reason reason
);
1331 void ieee80211_wake_queue_by_reason(struct ieee80211_hw
*hw
, int queue
,
1332 enum queue_stop_reason reason
);
1333 void ieee80211_stop_queue_by_reason(struct ieee80211_hw
*hw
, int queue
,
1334 enum queue_stop_reason reason
);
1335 void ieee80211_add_pending_skb(struct ieee80211_local
*local
,
1336 struct sk_buff
*skb
);
1337 int ieee80211_add_pending_skbs(struct ieee80211_local
*local
,
1338 struct sk_buff_head
*skbs
);
1339 int ieee80211_add_pending_skbs_fn(struct ieee80211_local
*local
,
1340 struct sk_buff_head
*skbs
,
1341 void (*fn
)(void *data
), void *data
);
1343 void ieee80211_send_auth(struct ieee80211_sub_if_data
*sdata
,
1344 u16 transaction
, u16 auth_alg
,
1345 u8
*extra
, size_t extra_len
, const u8
*bssid
,
1346 const u8
*key
, u8 key_len
, u8 key_idx
);
1347 int ieee80211_build_preq_ies(struct ieee80211_local
*local
, u8
*buffer
,
1348 const u8
*ie
, size_t ie_len
,
1349 enum ieee80211_band band
, u32 rate_mask
,
1351 struct sk_buff
*ieee80211_build_probe_req(struct ieee80211_sub_if_data
*sdata
,
1353 const u8
*ssid
, size_t ssid_len
,
1354 const u8
*ie
, size_t ie_len
);
1355 void ieee80211_send_probe_req(struct ieee80211_sub_if_data
*sdata
, u8
*dst
,
1356 const u8
*ssid
, size_t ssid_len
,
1357 const u8
*ie
, size_t ie_len
);
1359 void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data
*sdata
,
1360 const size_t supp_rates_len
,
1361 const u8
*supp_rates
);
1362 u32
ieee80211_sta_get_rates(struct ieee80211_local
*local
,
1363 struct ieee802_11_elems
*elems
,
1364 enum ieee80211_band band
);
1365 int __ieee80211_request_smps(struct ieee80211_sub_if_data
*sdata
,
1366 enum ieee80211_smps_mode smps_mode
);
1367 void ieee80211_recalc_smps(struct ieee80211_local
*local
);
1369 size_t ieee80211_ie_split(const u8
*ies
, size_t ielen
,
1370 const u8
*ids
, int n_ids
, size_t offset
);
1371 size_t ieee80211_ie_split_vendor(const u8
*ies
, size_t ielen
, size_t offset
);
1373 /* internal work items */
1374 void ieee80211_work_init(struct ieee80211_local
*local
);
1375 void ieee80211_add_work(struct ieee80211_work
*wk
);
1376 void free_work(struct ieee80211_work
*wk
);
1377 void ieee80211_work_purge(struct ieee80211_sub_if_data
*sdata
);
1378 ieee80211_rx_result
ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data
*sdata
,
1379 struct sk_buff
*skb
);
1380 int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data
*sdata
,
1381 struct ieee80211_channel
*chan
,
1382 enum nl80211_channel_type channel_type
,
1383 unsigned int duration
, u64
*cookie
);
1384 int ieee80211_wk_cancel_remain_on_channel(
1385 struct ieee80211_sub_if_data
*sdata
, u64 cookie
);
1387 /* channel management */
1388 enum ieee80211_chan_mode
{
1389 CHAN_MODE_UNDEFINED
,
1394 enum ieee80211_chan_mode
1395 ieee80211_get_channel_mode(struct ieee80211_local
*local
,
1396 struct ieee80211_sub_if_data
*ignore
);
1397 bool ieee80211_set_channel_type(struct ieee80211_local
*local
,
1398 struct ieee80211_sub_if_data
*sdata
,
1399 enum nl80211_channel_type chantype
);
1401 #ifdef CONFIG_MAC80211_NOINLINE
1402 #define debug_noinline noinline
1404 #define debug_noinline
1407 #endif /* IEEE80211_I_H */