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 <linux/idr.h>
28 #include <net/ieee80211_radiotap.h>
29 #include <net/cfg80211.h>
30 #include <net/mac80211.h>
35 struct ieee80211_local
;
37 /* Maximum number of broadcast/multicast frames to buffer when some of the
38 * associated stations are using power saving. */
39 #define AP_MAX_BC_BUFFER 128
41 /* Maximum number of frames buffered to all STAs, including multicast frames.
42 * Note: increasing this limit increases the potential memory requirement. Each
43 * frame can be up to about 2 kB long. */
44 #define TOTAL_MAX_TX_BUFFER 512
46 /* Required encryption head and tailroom */
47 #define IEEE80211_ENCRYPT_HEADROOM 8
48 #define IEEE80211_ENCRYPT_TAILROOM 18
50 /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent
51 * reception of at least three fragmented frames. This limit can be increased
52 * by changing this define, at the cost of slower frame reassembly and
53 * increased memory use (about 2 kB of RAM per entry). */
54 #define IEEE80211_FRAGMENT_MAX 4
56 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
57 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
60 * Some APs experience problems when working with U-APSD. Decrease the
61 * probability of that happening by using legacy mode for all ACs but VO.
62 * The AP that caused us trouble was a Cisco 4410N. It ignores our
63 * setting, and always treats non-VO ACs as legacy.
65 #define IEEE80211_DEFAULT_UAPSD_QUEUES \
66 IEEE80211_WMM_IE_STA_QOSINFO_AC_VO
68 #define IEEE80211_DEFAULT_MAX_SP_LEN \
69 IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
71 #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */)
73 struct ieee80211_fragment_entry
{
74 unsigned long first_frag_time
;
76 unsigned int rx_queue
;
77 unsigned int last_frag
;
78 unsigned int extra_len
;
79 struct sk_buff_head skb_list
;
80 int ccmp
; /* Whether fragments were encrypted with CCMP */
81 u8 last_pn
[6]; /* PN of the last fragment if CCMP was used */
85 struct ieee80211_bss
{
86 /* don't want to look up all the time */
88 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
97 unsigned long last_probe_resp
;
99 #ifdef CONFIG_MAC80211_MESH
105 #define IEEE80211_MAX_SUPP_RATES 32
106 u8 supp_rates
[IEEE80211_MAX_SUPP_RATES
];
107 size_t supp_rates_len
;
110 * During association, we save an ERP value from a probe response so
111 * that we can feed ERP info to the driver when handling the
112 * association completes. these fields probably won't be up-to-date
113 * otherwise, you probably don't want to use them.
118 /* Keep track of the corruption of the last beacon/probe response. */
121 /* Keep track of what bits of information we have valid info for. */
126 * enum ieee80211_corrupt_data_flags - BSS data corruption flags
127 * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted
128 * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted
130 * These are bss flags that are attached to a bss in the
131 * @corrupt_data field of &struct ieee80211_bss.
133 enum ieee80211_bss_corrupt_data_flags
{
134 IEEE80211_BSS_CORRUPT_BEACON
= BIT(0),
135 IEEE80211_BSS_CORRUPT_PROBE_RESP
= BIT(1)
139 * enum ieee80211_valid_data_flags - BSS valid data flags
140 * @IEEE80211_BSS_VALID_DTIM: DTIM data was gathered from non-corrupt IE
141 * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE
142 * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE
143 * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE
145 * These are bss flags that are attached to a bss in the
146 * @valid_data field of &struct ieee80211_bss. They show which parts
147 * of the data structure were recieved as a result of an un-corrupted
148 * beacon/probe response.
150 enum ieee80211_bss_valid_data_flags
{
151 IEEE80211_BSS_VALID_DTIM
= BIT(0),
152 IEEE80211_BSS_VALID_WMM
= BIT(1),
153 IEEE80211_BSS_VALID_RATES
= BIT(2),
154 IEEE80211_BSS_VALID_ERP
= BIT(3)
157 static inline u8
*bss_mesh_cfg(struct ieee80211_bss
*bss
)
159 #ifdef CONFIG_MAC80211_MESH
160 return bss
->mesh_cfg
;
165 static inline u8
*bss_mesh_id(struct ieee80211_bss
*bss
)
167 #ifdef CONFIG_MAC80211_MESH
173 static inline u8
bss_mesh_id_len(struct ieee80211_bss
*bss
)
175 #ifdef CONFIG_MAC80211_MESH
176 return bss
->mesh_id_len
;
182 typedef unsigned __bitwise__ ieee80211_tx_result
;
183 #define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
184 #define TX_DROP ((__force ieee80211_tx_result) 1u)
185 #define TX_QUEUED ((__force ieee80211_tx_result) 2u)
187 #define IEEE80211_TX_UNICAST BIT(1)
188 #define IEEE80211_TX_PS_BUFFERED BIT(2)
190 struct ieee80211_tx_data
{
192 struct sk_buff_head skbs
;
193 struct ieee80211_local
*local
;
194 struct ieee80211_sub_if_data
*sdata
;
195 struct sta_info
*sta
;
196 struct ieee80211_key
*key
;
202 typedef unsigned __bitwise__ ieee80211_rx_result
;
203 #define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
204 #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u)
205 #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
206 #define RX_QUEUED ((__force ieee80211_rx_result) 3u)
209 * enum ieee80211_packet_rx_flags - packet RX flags
210 * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed
211 * (incl. multicast frames)
212 * @IEEE80211_RX_FRAGMENTED: fragmented frame
213 * @IEEE80211_RX_AMSDU: a-MSDU packet
214 * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed
215 * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering
217 * These are per-frame flags that are attached to a frame in the
218 * @rx_flags field of &struct ieee80211_rx_status.
220 enum ieee80211_packet_rx_flags
{
221 IEEE80211_RX_RA_MATCH
= BIT(1),
222 IEEE80211_RX_FRAGMENTED
= BIT(2),
223 IEEE80211_RX_AMSDU
= BIT(3),
224 IEEE80211_RX_MALFORMED_ACTION_FRM
= BIT(4),
225 IEEE80211_RX_DEFERRED_RELEASE
= BIT(5),
229 * enum ieee80211_rx_flags - RX data flags
231 * @IEEE80211_RX_CMNTR: received on cooked monitor already
232 * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported
233 * to cfg80211_report_obss_beacon().
235 * These flags are used across handling multiple interfaces
236 * for a single frame.
238 enum ieee80211_rx_flags
{
239 IEEE80211_RX_CMNTR
= BIT(0),
240 IEEE80211_RX_BEACON_REPORTED
= BIT(1),
243 struct ieee80211_rx_data
{
245 struct ieee80211_local
*local
;
246 struct ieee80211_sub_if_data
*sdata
;
247 struct sta_info
*sta
;
248 struct ieee80211_key
*key
;
253 * Index into sequence numbers array, 0..16
254 * since the last (16) is used for non-QoS,
255 * will be 16 on non-QoS frames.
260 * Index into the security IV/PN arrays, 0..16
261 * since the last (16) is used for CCMP-encrypted
262 * management frames, will be set to 16 on mgmt
263 * frames and 0 on non-QoS frames.
273 int head_len
, tail_len
;
274 struct rcu_head rcu_head
;
278 struct rcu_head rcu_head
;
283 struct ieee80211_if_ap
{
284 struct beacon_data __rcu
*beacon
;
285 struct probe_resp __rcu
*probe_resp
;
287 struct list_head vlans
;
289 /* yes, this looks ugly, but guarantees that we can later use
291 * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */
292 u8 tim
[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID
+ 1)];
293 struct sk_buff_head ps_bc_buf
;
294 atomic_t num_sta_ps
; /* number of stations in PS mode */
295 atomic_t num_mcast_sta
; /* number of stations receiving multicast */
300 struct ieee80211_if_wds
{
301 struct sta_info
*sta
;
302 u8 remote_addr
[ETH_ALEN
];
305 struct ieee80211_if_vlan
{
306 struct list_head list
;
308 /* used for all tx if the VLAN is configured to 4-addr mode */
309 struct sta_info __rcu
*sta
;
313 __u32 fwded_mcast
; /* Mesh forwarded multicast frames */
314 __u32 fwded_unicast
; /* Mesh forwarded unicast frames */
315 __u32 fwded_frames
; /* Mesh total forwarded frames */
316 __u32 dropped_frames_ttl
; /* Not transmitted since mesh_ttl == 0*/
317 __u32 dropped_frames_no_route
; /* Not transmitted, no route found */
318 __u32 dropped_frames_congestion
;/* Not forwarded due to congestion */
319 atomic_t estab_plinks
;
322 #define PREQ_Q_F_START 0x1
323 #define PREQ_Q_F_REFRESH 0x2
324 struct mesh_preq_queue
{
325 struct list_head list
;
331 #define IEEE80211_ROC_MIN_LEFT 1
333 #define IEEE80211_ROC_MIN_LEFT (HZ/100)
336 struct ieee80211_roc_work
{
337 struct list_head list
;
338 struct list_head dependents
;
340 struct delayed_work work
;
342 struct ieee80211_sub_if_data
*sdata
;
344 struct ieee80211_channel
*chan
;
345 enum nl80211_channel_type chan_type
;
347 bool started
, abort
, hw_begun
, notified
;
349 unsigned long hw_start_time
;
351 u32 duration
, req_duration
;
352 struct sk_buff
*frame
;
356 /* flags used in struct ieee80211_if_managed.flags */
357 enum ieee80211_sta_flags
{
358 IEEE80211_STA_BEACON_POLL
= BIT(0),
359 IEEE80211_STA_CONNECTION_POLL
= BIT(1),
360 IEEE80211_STA_CONTROL_PORT
= BIT(2),
361 IEEE80211_STA_DISABLE_11N
= BIT(4),
362 IEEE80211_STA_CSA_RECEIVED
= BIT(5),
363 IEEE80211_STA_MFP_ENABLED
= BIT(6),
364 IEEE80211_STA_UAPSD_ENABLED
= BIT(7),
365 IEEE80211_STA_NULLFUNC_ACKED
= BIT(8),
366 IEEE80211_STA_RESET_SIGNAL_AVE
= BIT(9),
367 IEEE80211_STA_DISABLE_40MHZ
= BIT(10),
368 IEEE80211_STA_DISABLE_VHT
= BIT(11),
371 struct ieee80211_mgd_auth_data
{
372 struct cfg80211_bss
*bss
;
373 unsigned long timeout
;
375 u16 algorithm
, expected_transaction
;
377 u8 key
[WLAN_KEY_LEN_WEP104
];
385 struct ieee80211_mgd_assoc_data
{
386 struct cfg80211_bss
*bss
;
387 const u8
*supp_rates
;
389 unsigned long timeout
;
393 u8 prev_bssid
[ETH_ALEN
];
394 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
408 struct ieee80211_if_managed
{
409 struct timer_list timer
;
410 struct timer_list conn_mon_timer
;
411 struct timer_list bcn_mon_timer
;
412 struct timer_list chswitch_timer
;
413 struct work_struct monitor_work
;
414 struct work_struct chswitch_work
;
415 struct work_struct beacon_connection_loss_work
;
416 struct work_struct csa_connection_drop_work
;
418 unsigned long beacon_timeout
;
419 unsigned long probe_timeout
;
420 int probe_send_count
;
421 bool nullfunc_failed
;
424 struct cfg80211_bss
*associated
;
425 struct ieee80211_mgd_auth_data
*auth_data
;
426 struct ieee80211_mgd_assoc_data
*assoc_data
;
432 unsigned long timers_running
; /* used for quiesce/restart */
433 bool powersave
; /* powersave requested for this iface */
434 bool broken_ap
; /* AP is broken -- turn off powersave */
435 enum ieee80211_smps_mode req_smps
, /* requested smps mode */
436 ap_smps
, /* smps mode AP thinks we're in */
437 driver_smps_mode
; /* smps mode request */
439 struct work_struct request_smps_work
;
443 bool beacon_crc_valid
;
447 IEEE80211_MFP_DISABLED
,
448 IEEE80211_MFP_OPTIONAL
,
449 IEEE80211_MFP_REQUIRED
450 } mfp
; /* management frame protection */
453 * Bitmask of enabled u-apsd queues,
454 * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association
457 unsigned int uapsd_queues
;
460 * Maximum number of buffered frames AP can deliver during a
461 * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar.
462 * Needs a new association to take effect.
464 unsigned int uapsd_max_sp_len
;
466 int wmm_last_param_set
;
470 /* Signal strength from the last Beacon frame in the current BSS. */
471 int last_beacon_signal
;
474 * Weighted average of the signal strength from Beacon frames in the
475 * current BSS. This is in units of 1/16 of the signal unit to maintain
476 * accuracy and to speed up calculations, i.e., the value need to be
477 * divided by 16 to get the actual value.
479 int ave_beacon_signal
;
482 * Number of Beacon frames used in ave_beacon_signal. This can be used
483 * to avoid generating less reliable cqm events that would be based
484 * only on couple of received frames.
486 unsigned int count_beacon_signal
;
489 * Last Beacon frame signal strength average (ave_beacon_signal / 16)
490 * that triggered a cqm event. 0 indicates that no event has been
491 * generated for the current association.
493 int last_cqm_event_signal
;
496 * State variables for keeping track of RSSI of the AP currently
497 * connected to and informing driver when RSSI has gone
498 * below/above a certain threshold.
500 int rssi_min_thold
, rssi_max_thold
;
501 int last_ave_beacon_signal
;
503 struct ieee80211_ht_cap ht_capa
; /* configured ht-cap over-rides */
504 struct ieee80211_ht_cap ht_capa_mask
; /* Valid parts of ht_capa */
507 struct ieee80211_if_ibss
{
508 struct timer_list timer
;
512 unsigned long last_scan_completed
;
523 unsigned int auth_frame_registrations
;
525 u8 bssid
[ETH_ALEN
] __aligned(2);
526 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
529 struct ieee80211_channel
*channel
;
530 enum nl80211_channel_type channel_type
;
532 unsigned long ibss_join_req
;
533 /* probe response/beacon for IBSS */
534 struct sk_buff __rcu
*presp
;
537 spinlock_t incomplete_lock
;
538 struct list_head incomplete_stations
;
541 IEEE80211_IBSS_MLME_SEARCH
,
542 IEEE80211_IBSS_MLME_JOINED
,
547 * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface
549 * these declarations define the interface, which enables
550 * vendor-specific mesh synchronization
553 struct ieee802_11_elems
;
554 struct ieee80211_mesh_sync_ops
{
555 void (*rx_bcn_presp
)(struct ieee80211_sub_if_data
*sdata
,
557 struct ieee80211_mgmt
*mgmt
,
558 struct ieee802_11_elems
*elems
,
559 struct ieee80211_rx_status
*rx_status
);
560 void (*adjust_tbtt
)(struct ieee80211_sub_if_data
*sdata
);
561 /* add other framework functions here */
564 struct ieee80211_if_mesh
{
565 struct timer_list housekeeping_timer
;
566 struct timer_list mesh_path_timer
;
567 struct timer_list mesh_path_root_timer
;
569 unsigned long timers_running
;
571 unsigned long wrkq_flags
;
573 u8 mesh_id
[IEEE80211_MAX_MESH_ID_LEN
];
575 /* Active Path Selection Protocol Identifier */
577 /* Active Path Selection Metric Identifier */
579 /* Congestion Control Mode Identifier */
581 /* Synchronization Protocol Identifier */
583 /* Authentication Protocol Identifier */
585 /* Local mesh Sequence Number */
587 /* Last used PREQ ID */
590 /* Timestamp of last SN update */
591 unsigned long last_sn_update
;
592 /* Time when it's ok to send next PERR */
593 unsigned long next_perr
;
594 /* Timestamp of last PREQ sent */
595 unsigned long last_preq
;
596 struct mesh_rmc
*rmc
;
597 spinlock_t mesh_preq_queue_lock
;
598 struct mesh_preq_queue preq_queue
;
600 struct mesh_stats mshstats
;
601 struct mesh_config mshcfg
;
603 bool accepting_plinks
;
608 IEEE80211_MESH_SEC_NONE
= 0x0,
609 IEEE80211_MESH_SEC_AUTHED
= 0x1,
610 IEEE80211_MESH_SEC_SECURED
= 0x2,
612 /* Extensible Synchronization Framework */
613 struct ieee80211_mesh_sync_ops
*sync_ops
;
614 s64 sync_offset_clockdrift_max
;
615 spinlock_t sync_offset_lock
;
619 #ifdef CONFIG_MAC80211_MESH
620 #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
621 do { (msh)->mshstats.name++; } while (0)
623 #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
628 * enum ieee80211_sub_if_data_flags - virtual interface flags
630 * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets
631 * @IEEE80211_SDATA_PROMISC: interface is promisc
632 * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode
633 * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between
634 * associated stations and deliver multicast frames both
635 * back to wireless media and to the local net stack.
636 * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume.
637 * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver
639 enum ieee80211_sub_if_data_flags
{
640 IEEE80211_SDATA_ALLMULTI
= BIT(0),
641 IEEE80211_SDATA_PROMISC
= BIT(1),
642 IEEE80211_SDATA_OPERATING_GMODE
= BIT(2),
643 IEEE80211_SDATA_DONT_BRIDGE_PACKETS
= BIT(3),
644 IEEE80211_SDATA_DISCONNECT_RESUME
= BIT(4),
645 IEEE80211_SDATA_IN_DRIVER
= BIT(5),
649 * enum ieee80211_sdata_state_bits - virtual interface state bits
650 * @SDATA_STATE_RUNNING: virtual interface is up & running; this
651 * mirrors netif_running() but is separate for interface type
652 * change handling while the interface is up
653 * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel
654 * mode, so queues are stopped
656 enum ieee80211_sdata_state_bits
{
658 SDATA_STATE_OFFCHANNEL
,
661 struct ieee80211_sub_if_data
{
662 struct list_head list
;
664 struct wireless_dev wdev
;
667 struct list_head key_list
;
669 /* count for keys needing tailroom space allocation */
670 int crypto_tx_tailroom_needed_cnt
;
672 struct net_device
*dev
;
673 struct ieee80211_local
*local
;
679 int drop_unencrypted
;
683 /* to detect idle changes */
686 /* Fragment table for host-based reassembly */
687 struct ieee80211_fragment_entry fragments
[IEEE80211_FRAGMENT_MAX
];
688 unsigned int fragment_next
;
690 /* TID bitmap for NoAck policy */
693 /* bit field of ACM bits (BIT(802.1D tag)) */
696 struct ieee80211_key __rcu
*keys
[NUM_DEFAULT_KEYS
+ NUM_DEFAULT_MGMT_KEYS
];
697 struct ieee80211_key __rcu
*default_unicast_key
;
698 struct ieee80211_key __rcu
*default_multicast_key
;
699 struct ieee80211_key __rcu
*default_mgmt_key
;
702 __be16 control_port_protocol
;
703 bool control_port_no_encrypt
;
705 struct ieee80211_tx_queue_params tx_conf
[IEEE80211_NUM_ACS
];
707 struct work_struct work
;
708 struct sk_buff_head skb_queue
;
710 bool arp_filter_state
;
713 * AP this belongs to: self in AP mode and
714 * corresponding AP in VLAN mode, NULL for
715 * all others (might be needed later in IBSS)
717 struct ieee80211_if_ap
*bss
;
719 /* bitmap of allowed (non-MCS) rate indexes for rate control */
720 u32 rc_rateidx_mask
[IEEE80211_NUM_BANDS
];
721 u8 rc_rateidx_mcs_mask
[IEEE80211_NUM_BANDS
][IEEE80211_HT_MCS_MASK_LEN
];
724 struct ieee80211_if_ap ap
;
725 struct ieee80211_if_wds wds
;
726 struct ieee80211_if_vlan vlan
;
727 struct ieee80211_if_managed mgd
;
728 struct ieee80211_if_ibss ibss
;
729 struct ieee80211_if_mesh mesh
;
733 #ifdef CONFIG_MAC80211_DEBUGFS
736 struct dentry
*subdir_stations
;
737 struct dentry
*default_unicast_key
;
738 struct dentry
*default_multicast_key
;
739 struct dentry
*default_mgmt_key
;
742 /* must be last, dynamically sized area in this! */
743 struct ieee80211_vif vif
;
747 struct ieee80211_sub_if_data
*vif_to_sdata(struct ieee80211_vif
*p
)
749 return container_of(p
, struct ieee80211_sub_if_data
, vif
);
752 enum sdata_queue_type
{
753 IEEE80211_SDATA_QUEUE_TYPE_FRAME
= 0,
754 IEEE80211_SDATA_QUEUE_AGG_START
= 1,
755 IEEE80211_SDATA_QUEUE_AGG_STOP
= 2,
759 IEEE80211_RX_MSG
= 1,
760 IEEE80211_TX_STATUS_MSG
= 2,
761 IEEE80211_EOSP_MSG
= 3,
764 struct skb_eosp_msg_data
{
765 u8 sta
[ETH_ALEN
], iface
[ETH_ALEN
];
768 enum queue_stop_reason
{
769 IEEE80211_QUEUE_STOP_REASON_DRIVER
,
770 IEEE80211_QUEUE_STOP_REASON_PS
,
771 IEEE80211_QUEUE_STOP_REASON_CSA
,
772 IEEE80211_QUEUE_STOP_REASON_AGGREGATION
,
773 IEEE80211_QUEUE_STOP_REASON_SUSPEND
,
774 IEEE80211_QUEUE_STOP_REASON_SKB_ADD
,
777 #ifdef CONFIG_MAC80211_LEDS
778 struct tpt_led_trigger
{
779 struct led_trigger trig
;
781 const struct ieee80211_tpt_blink
*blink_table
;
782 unsigned int blink_table_len
;
783 struct timer_list timer
;
784 unsigned long prev_traffic
;
785 unsigned long tx_bytes
, rx_bytes
;
786 unsigned int active
, want
;
792 * mac80211 scan flags - currently active scan mode
794 * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as
795 * well be on the operating channel
796 * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
797 * determine if we are on the operating channel or not
798 * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating
799 * channel. This should not interrupt normal traffic.
800 * @SCAN_COMPLETED: Set for our scan work function when the driver reported
801 * that the scan completed.
802 * @SCAN_ABORTED: Set for our scan work function when the driver reported
803 * a scan complete for an aborted scan.
808 SCAN_ONCHANNEL_SCANNING
,
814 * enum mac80211_scan_state - scan state machine states
816 * @SCAN_DECISION: Main entry point to the scan state machine, this state
817 * determines if we should keep on scanning or switch back to the
819 * @SCAN_SET_CHANNEL: Set the next channel to be scanned
820 * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses
821 * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to
823 * @SCAN_RESUME: Resume the scan and scan the next channel
825 enum mac80211_scan_state
{
833 struct ieee80211_local
{
834 /* embed the driver visible part.
835 * don't cast (use the static inlines below), but we keep
836 * it first anyway so they become a no-op */
837 struct ieee80211_hw hw
;
839 const struct ieee80211_ops
*ops
;
842 * private workqueue to mac80211. mac80211 makes this accessible
843 * via ieee80211_queue_work()
845 struct workqueue_struct
*workqueue
;
847 unsigned long queue_stop_reasons
[IEEE80211_MAX_QUEUES
];
848 /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
849 spinlock_t queue_stop_reason_lock
;
852 int monitors
, cooked_mntrs
;
853 /* number of interfaces with corresponding FIF_ flags */
854 int fif_fcsfail
, fif_plcpfail
, fif_control
, fif_other_bss
, fif_pspoll
,
857 unsigned int filter_flags
; /* FIF_* */
859 bool wiphy_ciphers_allocated
;
861 /* protects the aggregated multicast list and filter calls */
862 spinlock_t filter_lock
;
864 /* used for uploading changed mc list */
865 struct work_struct reconfig_filter
;
867 /* used to reconfigure hardware SM PS */
868 struct work_struct recalc_smps
;
870 /* aggregated multicast list */
871 struct netdev_hw_addr_list mc_list
;
873 bool tim_in_locked_section
; /* see ieee80211_beacon_get() */
876 * suspended is true if we finished all the suspend _and_ we have
877 * not yet come up from resume. This is to be used by mac80211
878 * to ensure driver sanity during suspend and mac80211's own
879 * sanity. It can eventually be used for WoW as well.
884 * Resuming is true while suspended, but when we're reprogramming the
885 * hardware -- at that time it's allowed to use ieee80211_queue_work()
886 * again even though some other parts of the stack are still suspended
887 * and we still drop received frames to avoid waking the stack.
892 * quiescing is true during the suspend process _only_ to
893 * ease timer cancelling etc.
897 /* device is started */
900 /* device is during a HW reconfig */
903 /* wowlan is enabled -- don't reconfig on resume */
906 int tx_headroom
; /* required headroom for hardware/radiotap */
908 /* Tasklet and skb queue to process calls from IRQ mode. All frames
909 * added to skb_queue will be processed, but frames in
910 * skb_queue_unreliable may be dropped if the total length of these
911 * queues increases over the limit. */
912 #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
913 struct tasklet_struct tasklet
;
914 struct sk_buff_head skb_queue
;
915 struct sk_buff_head skb_queue_unreliable
;
918 * Internal FIFO queue which is shared between multiple rx path
919 * stages. Its main task is to provide a serialization mechanism,
920 * so all rx handlers can enjoy having exclusive access to their
921 * private data structures.
923 struct sk_buff_head rx_skb_queue
;
924 bool running_rx_handler
; /* protected by rx_skb_queue.lock */
928 * The mutex only protects the list, hash table and
929 * counter, reads are done with RCU.
931 struct mutex sta_mtx
;
933 unsigned long num_sta
;
934 struct list_head sta_list
;
935 struct sta_info __rcu
*sta_hash
[STA_HASH_SIZE
];
936 struct timer_list sta_cleanup
;
939 struct sk_buff_head pending
[IEEE80211_MAX_QUEUES
];
940 struct tasklet_struct tx_pending_tasklet
;
942 atomic_t agg_queue_stop
[IEEE80211_MAX_QUEUES
];
944 /* number of interfaces with corresponding IFF_ flags */
945 atomic_t iff_allmultis
, iff_promiscs
;
947 struct rate_control_ref
*rate_ctrl
;
949 struct crypto_cipher
*wep_tx_tfm
;
950 struct crypto_cipher
*wep_rx_tfm
;
954 struct list_head interfaces
;
955 struct mutex iflist_mtx
;
958 * Key mutex, protects sdata's key_list and sta_info's
959 * key pointers (write access, they're RCU.)
961 struct mutex key_mtx
;
963 /* mutex for scan and work locking */
966 /* Scanning and BSS list */
967 unsigned long scanning
;
968 struct cfg80211_ssid scan_ssid
;
969 struct cfg80211_scan_request
*int_scan_req
;
970 struct cfg80211_scan_request
*scan_req
, *hw_scan_req
;
971 struct ieee80211_channel
*scan_channel
;
972 enum ieee80211_band hw_scan_band
;
973 int scan_channel_idx
;
976 struct work_struct sched_scan_stopped_work
;
977 struct ieee80211_sub_if_data __rcu
*sched_scan_sdata
;
979 unsigned long leave_oper_channel_time
;
980 enum mac80211_scan_state next_scan_state
;
981 struct delayed_work scan_work
;
982 struct ieee80211_sub_if_data __rcu
*scan_sdata
;
983 enum nl80211_channel_type _oper_channel_type
;
984 struct ieee80211_channel
*oper_channel
, *csa_channel
;
986 /* Temporary remain-on-channel for off-channel operations */
987 struct ieee80211_channel
*tmp_channel
;
988 enum nl80211_channel_type tmp_channel_type
;
991 /* dot11CountersTable */
992 u32 dot11TransmittedFragmentCount
;
993 u32 dot11MulticastTransmittedFrameCount
;
994 u32 dot11FailedCount
;
996 u32 dot11MultipleRetryCount
;
997 u32 dot11FrameDuplicateCount
;
998 u32 dot11ReceivedFragmentCount
;
999 u32 dot11MulticastReceivedFrameCount
;
1000 u32 dot11TransmittedFrameCount
;
1002 #ifdef CONFIG_MAC80211_LEDS
1003 int tx_led_counter
, rx_led_counter
;
1004 struct led_trigger
*tx_led
, *rx_led
, *assoc_led
, *radio_led
;
1005 struct tpt_led_trigger
*tpt_led_trigger
;
1006 char tx_led_name
[32], rx_led_name
[32],
1007 assoc_led_name
[32], radio_led_name
[32];
1010 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
1011 /* TX/RX handler statistics */
1012 unsigned int tx_handlers_drop
;
1013 unsigned int tx_handlers_queued
;
1014 unsigned int tx_handlers_drop_unencrypted
;
1015 unsigned int tx_handlers_drop_fragment
;
1016 unsigned int tx_handlers_drop_wep
;
1017 unsigned int tx_handlers_drop_not_assoc
;
1018 unsigned int tx_handlers_drop_unauth_port
;
1019 unsigned int rx_handlers_drop
;
1020 unsigned int rx_handlers_queued
;
1021 unsigned int rx_handlers_drop_nullfunc
;
1022 unsigned int rx_handlers_drop_defrag
;
1023 unsigned int rx_handlers_drop_short
;
1024 unsigned int tx_expand_skb_head
;
1025 unsigned int tx_expand_skb_head_cloned
;
1026 unsigned int rx_expand_skb_head
;
1027 unsigned int rx_expand_skb_head2
;
1028 unsigned int rx_handlers_fragments
;
1029 unsigned int tx_status_drop
;
1030 #define I802_DEBUG_INC(c) (c)++
1031 #else /* CONFIG_MAC80211_DEBUG_COUNTERS */
1032 #define I802_DEBUG_INC(c) do { } while (0)
1033 #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
1036 int total_ps_buffered
; /* total number of all buffered unicast and
1037 * multicast packets for power saving stations
1041 bool offchannel_ps_enabled
;
1043 * PS can only be enabled when we have exactly one managed
1044 * interface (and monitors) in PS, this then points there.
1046 struct ieee80211_sub_if_data
*ps_sdata
;
1047 struct work_struct dynamic_ps_enable_work
;
1048 struct work_struct dynamic_ps_disable_work
;
1049 struct timer_list dynamic_ps_timer
;
1050 struct notifier_block network_latency_notifier
;
1051 struct notifier_block ifa_notifier
;
1054 * The dynamic ps timeout configured from user space via WEXT -
1055 * this will override whatever chosen by mac80211 internally.
1057 int dynamic_ps_forced_timeout
;
1058 int dynamic_ps_user_timeout
;
1059 bool disable_dynamic_ps
;
1061 int user_power_level
; /* in dBm */
1062 int power_constr_level
; /* in dBm */
1064 enum ieee80211_smps_mode smps_mode
;
1066 struct work_struct restart_work
;
1068 #ifdef CONFIG_MAC80211_DEBUGFS
1069 struct local_debugfsdentries
{
1070 struct dentry
*rcdir
;
1071 struct dentry
*keys
;
1076 * Remain-on-channel support
1078 struct list_head roc_list
;
1079 struct work_struct hw_roc_start
, hw_roc_done
;
1080 unsigned long hw_roc_start_time
;
1082 struct idr ack_status_frames
;
1083 spinlock_t ack_status_lock
;
1085 struct ieee80211_sub_if_data __rcu
*p2p_sdata
;
1087 /* dummy netdev for use w/ NAPI */
1088 struct net_device napi_dev
;
1090 struct napi_struct napi
;
1092 /* virtual monitor interface */
1093 struct ieee80211_sub_if_data __rcu
*monitor_sdata
;
1096 static inline struct ieee80211_sub_if_data
*
1097 IEEE80211_DEV_TO_SUB_IF(struct net_device
*dev
)
1099 return netdev_priv(dev
);
1102 static inline struct ieee80211_sub_if_data
*
1103 IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev
*wdev
)
1105 return container_of(wdev
, struct ieee80211_sub_if_data
, wdev
);
1108 /* this struct represents 802.11n's RA/TID combination */
1109 struct ieee80211_ra_tid
{
1114 /* Parsed Information Elements */
1115 struct ieee802_11_elems
{
1119 /* pointers to IEs */
1125 struct ieee80211_tim_ie
*tim
;
1134 struct ieee80211_ht_cap
*ht_cap_elem
;
1135 struct ieee80211_ht_operation
*ht_operation
;
1136 struct ieee80211_meshconf_ie
*mesh_config
;
1142 struct ieee80211_rann_ie
*rann
;
1143 struct ieee80211_channel_sw_ie
*ch_switch_ie
;
1145 u8
*pwr_constr_elem
;
1146 u8
*quiet_elem
; /* first quite element */
1149 /* length of them, respectively */
1161 u8 ext_supp_rates_len
;
1169 u8 country_elem_len
;
1171 u8 num_of_quiet_elem
; /* can be more the one */
1174 /* whether a parse error occurred while retrieving these elements */
1178 static inline struct ieee80211_local
*hw_to_local(
1179 struct ieee80211_hw
*hw
)
1181 return container_of(hw
, struct ieee80211_local
, hw
);
1185 static inline int ieee80211_bssid_match(const u8
*raddr
, const u8
*addr
)
1187 return ether_addr_equal(raddr
, addr
) ||
1188 is_broadcast_ether_addr(raddr
);
1192 int ieee80211_hw_config(struct ieee80211_local
*local
, u32 changed
);
1193 void ieee80211_tx_set_protected(struct ieee80211_tx_data
*tx
);
1194 void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data
*sdata
,
1196 void ieee80211_configure_filter(struct ieee80211_local
*local
);
1197 u32
ieee80211_reset_erp_info(struct ieee80211_sub_if_data
*sdata
);
1200 void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data
*sdata
);
1201 int ieee80211_mgd_auth(struct ieee80211_sub_if_data
*sdata
,
1202 struct cfg80211_auth_request
*req
);
1203 int ieee80211_mgd_assoc(struct ieee80211_sub_if_data
*sdata
,
1204 struct cfg80211_assoc_request
*req
);
1205 int ieee80211_mgd_deauth(struct ieee80211_sub_if_data
*sdata
,
1206 struct cfg80211_deauth_request
*req
);
1207 int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data
*sdata
,
1208 struct cfg80211_disassoc_request
*req
);
1209 void ieee80211_send_pspoll(struct ieee80211_local
*local
,
1210 struct ieee80211_sub_if_data
*sdata
);
1211 void ieee80211_recalc_ps(struct ieee80211_local
*local
, s32 latency
);
1212 void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data
*sdata
);
1213 int ieee80211_max_network_latency(struct notifier_block
*nb
,
1214 unsigned long data
, void *dummy
);
1215 int ieee80211_set_arp_filter(struct ieee80211_sub_if_data
*sdata
);
1216 void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data
*sdata
,
1217 struct ieee80211_channel_sw_ie
*sw_elem
,
1218 struct ieee80211_bss
*bss
,
1220 void ieee80211_sta_quiesce(struct ieee80211_sub_if_data
*sdata
);
1221 void ieee80211_sta_restart(struct ieee80211_sub_if_data
*sdata
);
1222 void ieee80211_sta_work(struct ieee80211_sub_if_data
*sdata
);
1223 void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data
*sdata
,
1224 struct sk_buff
*skb
);
1225 void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data
*sdata
);
1226 void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data
*sdata
);
1227 void ieee80211_mgd_stop(struct ieee80211_sub_if_data
*sdata
);
1230 void ieee80211_ibss_notify_scan_completed(struct ieee80211_local
*local
);
1231 void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data
*sdata
);
1232 void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data
*sdata
,
1233 const u8
*bssid
, const u8
*addr
, u32 supp_rates
);
1234 int ieee80211_ibss_join(struct ieee80211_sub_if_data
*sdata
,
1235 struct cfg80211_ibss_params
*params
);
1236 int ieee80211_ibss_leave(struct ieee80211_sub_if_data
*sdata
);
1237 void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data
*sdata
);
1238 void ieee80211_ibss_restart(struct ieee80211_sub_if_data
*sdata
);
1239 void ieee80211_ibss_work(struct ieee80211_sub_if_data
*sdata
);
1240 void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data
*sdata
,
1241 struct sk_buff
*skb
);
1244 void ieee80211_mesh_work(struct ieee80211_sub_if_data
*sdata
);
1245 void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data
*sdata
,
1246 struct sk_buff
*skb
);
1248 /* scan/BSS handling */
1249 void ieee80211_scan_work(struct work_struct
*work
);
1250 int ieee80211_request_internal_scan(struct ieee80211_sub_if_data
*sdata
,
1251 const u8
*ssid
, u8 ssid_len
,
1252 struct ieee80211_channel
*chan
);
1253 int ieee80211_request_scan(struct ieee80211_sub_if_data
*sdata
,
1254 struct cfg80211_scan_request
*req
);
1255 void ieee80211_scan_cancel(struct ieee80211_local
*local
);
1256 void ieee80211_run_deferred_scan(struct ieee80211_local
*local
);
1257 void ieee80211_scan_rx(struct ieee80211_local
*local
, struct sk_buff
*skb
);
1259 void ieee80211_mlme_notify_scan_completed(struct ieee80211_local
*local
);
1260 struct ieee80211_bss
*
1261 ieee80211_bss_info_update(struct ieee80211_local
*local
,
1262 struct ieee80211_rx_status
*rx_status
,
1263 struct ieee80211_mgmt
*mgmt
,
1265 struct ieee802_11_elems
*elems
,
1266 struct ieee80211_channel
*channel
,
1268 void ieee80211_rx_bss_put(struct ieee80211_local
*local
,
1269 struct ieee80211_bss
*bss
);
1271 /* scheduled scan handling */
1272 int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data
*sdata
,
1273 struct cfg80211_sched_scan_request
*req
);
1274 int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data
*sdata
);
1275 void ieee80211_sched_scan_stopped_work(struct work_struct
*work
);
1277 /* off-channel helpers */
1278 void ieee80211_offchannel_stop_vifs(struct ieee80211_local
*local
,
1279 bool offchannel_ps_enable
);
1280 void ieee80211_offchannel_return(struct ieee80211_local
*local
,
1281 bool offchannel_ps_disable
);
1282 void ieee80211_roc_setup(struct ieee80211_local
*local
);
1283 void ieee80211_start_next_roc(struct ieee80211_local
*local
);
1284 void ieee80211_roc_purge(struct ieee80211_sub_if_data
*sdata
);
1285 void ieee80211_roc_notify_destroy(struct ieee80211_roc_work
*roc
);
1286 void ieee80211_sw_roc_work(struct work_struct
*work
);
1287 void ieee80211_handle_roc_started(struct ieee80211_roc_work
*roc
);
1289 /* interface handling */
1290 int ieee80211_iface_init(void);
1291 void ieee80211_iface_exit(void);
1292 int ieee80211_if_add(struct ieee80211_local
*local
, const char *name
,
1293 struct wireless_dev
**new_wdev
, enum nl80211_iftype type
,
1294 struct vif_params
*params
);
1295 int ieee80211_if_change_type(struct ieee80211_sub_if_data
*sdata
,
1296 enum nl80211_iftype type
);
1297 void ieee80211_if_remove(struct ieee80211_sub_if_data
*sdata
);
1298 void ieee80211_remove_interfaces(struct ieee80211_local
*local
);
1299 void ieee80211_recalc_idle(struct ieee80211_local
*local
);
1300 void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data
*sdata
,
1302 int ieee80211_do_open(struct wireless_dev
*wdev
, bool coming_up
);
1303 void ieee80211_sdata_stop(struct ieee80211_sub_if_data
*sdata
);
1305 static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data
*sdata
)
1307 return test_bit(SDATA_STATE_RUNNING
, &sdata
->state
);
1311 void ieee80211_clear_tx_pending(struct ieee80211_local
*local
);
1312 void ieee80211_tx_pending(unsigned long data
);
1313 netdev_tx_t
ieee80211_monitor_start_xmit(struct sk_buff
*skb
,
1314 struct net_device
*dev
);
1315 netdev_tx_t
ieee80211_subif_start_xmit(struct sk_buff
*skb
,
1316 struct net_device
*dev
);
1319 void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data
*sdata
,
1320 struct ieee80211_sta_ht_cap
*ht_cap
);
1321 void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data
*sdata
,
1322 struct ieee80211_supported_band
*sband
,
1323 struct ieee80211_ht_cap
*ht_cap_ie
,
1324 struct ieee80211_sta_ht_cap
*ht_cap
);
1325 void ieee80211_send_delba(struct ieee80211_sub_if_data
*sdata
,
1326 const u8
*da
, u16 tid
,
1327 u16 initiator
, u16 reason_code
);
1328 int ieee80211_send_smps_action(struct ieee80211_sub_if_data
*sdata
,
1329 enum ieee80211_smps_mode smps
, const u8
*da
,
1331 void ieee80211_request_smps_work(struct work_struct
*work
);
1333 void ___ieee80211_stop_rx_ba_session(struct sta_info
*sta
, u16 tid
,
1334 u16 initiator
, u16 reason
, bool stop
);
1335 void __ieee80211_stop_rx_ba_session(struct sta_info
*sta
, u16 tid
,
1336 u16 initiator
, u16 reason
, bool stop
);
1337 void ieee80211_sta_tear_down_BA_sessions(struct sta_info
*sta
, bool tx
);
1338 void ieee80211_process_delba(struct ieee80211_sub_if_data
*sdata
,
1339 struct sta_info
*sta
,
1340 struct ieee80211_mgmt
*mgmt
, size_t len
);
1341 void ieee80211_process_addba_resp(struct ieee80211_local
*local
,
1342 struct sta_info
*sta
,
1343 struct ieee80211_mgmt
*mgmt
,
1345 void ieee80211_process_addba_request(struct ieee80211_local
*local
,
1346 struct sta_info
*sta
,
1347 struct ieee80211_mgmt
*mgmt
,
1350 int __ieee80211_stop_tx_ba_session(struct sta_info
*sta
, u16 tid
,
1351 enum ieee80211_back_parties initiator
,
1353 int ___ieee80211_stop_tx_ba_session(struct sta_info
*sta
, u16 tid
,
1354 enum ieee80211_back_parties initiator
,
1356 void ieee80211_start_tx_ba_cb(struct ieee80211_vif
*vif
, u8
*ra
, u16 tid
);
1357 void ieee80211_stop_tx_ba_cb(struct ieee80211_vif
*vif
, u8
*ra
, u8 tid
);
1358 void ieee80211_ba_session_work(struct work_struct
*work
);
1359 void ieee80211_tx_ba_session_handle_start(struct sta_info
*sta
, int tid
);
1360 void ieee80211_release_reorder_timeout(struct sta_info
*sta
, int tid
);
1362 /* Spectrum management */
1363 void ieee80211_process_measurement_req(struct ieee80211_sub_if_data
*sdata
,
1364 struct ieee80211_mgmt
*mgmt
,
1367 /* Suspend/resume and hw reconfiguration */
1368 int ieee80211_reconfig(struct ieee80211_local
*local
);
1369 void ieee80211_stop_device(struct ieee80211_local
*local
);
1372 int __ieee80211_suspend(struct ieee80211_hw
*hw
,
1373 struct cfg80211_wowlan
*wowlan
);
1375 static inline int __ieee80211_resume(struct ieee80211_hw
*hw
)
1377 struct ieee80211_local
*local
= hw_to_local(hw
);
1379 WARN(test_bit(SCAN_HW_SCANNING
, &local
->scanning
),
1380 "%s: resume with hardware scan still in progress\n",
1381 wiphy_name(hw
->wiphy
));
1383 return ieee80211_reconfig(hw_to_local(hw
));
1386 static inline int __ieee80211_suspend(struct ieee80211_hw
*hw
,
1387 struct cfg80211_wowlan
*wowlan
)
1392 static inline int __ieee80211_resume(struct ieee80211_hw
*hw
)
1398 /* utility functions/constants */
1399 extern void *mac80211_wiphy_privid
; /* for wiphy privid */
1400 u8
*ieee80211_get_bssid(struct ieee80211_hdr
*hdr
, size_t len
,
1401 enum nl80211_iftype type
);
1402 int ieee80211_frame_duration(enum ieee80211_band band
, size_t len
,
1403 int rate
, int erp
, int short_preamble
);
1404 void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data
*sdata
, int keyidx
,
1405 struct ieee80211_hdr
*hdr
, const u8
*tsc
,
1407 void ieee80211_set_wmm_default(struct ieee80211_sub_if_data
*sdata
,
1409 void ieee80211_xmit(struct ieee80211_sub_if_data
*sdata
, struct sk_buff
*skb
);
1411 void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data
*sdata
,
1412 struct sk_buff
*skb
, int tid
);
1413 static void inline ieee80211_tx_skb(struct ieee80211_sub_if_data
*sdata
,
1414 struct sk_buff
*skb
)
1416 /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */
1417 ieee80211_tx_skb_tid(sdata
, skb
, 7);
1420 void ieee802_11_parse_elems(u8
*start
, size_t len
,
1421 struct ieee802_11_elems
*elems
);
1422 u32
ieee802_11_parse_elems_crc(u8
*start
, size_t len
,
1423 struct ieee802_11_elems
*elems
,
1424 u64 filter
, u32 crc
);
1425 u32
ieee80211_mandatory_rates(struct ieee80211_local
*local
,
1426 enum ieee80211_band band
);
1428 void ieee80211_dynamic_ps_enable_work(struct work_struct
*work
);
1429 void ieee80211_dynamic_ps_disable_work(struct work_struct
*work
);
1430 void ieee80211_dynamic_ps_timer(unsigned long data
);
1431 void ieee80211_send_nullfunc(struct ieee80211_local
*local
,
1432 struct ieee80211_sub_if_data
*sdata
,
1434 void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data
*sdata
,
1435 struct ieee80211_hdr
*hdr
);
1436 void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data
*sdata
,
1437 struct ieee80211_hdr
*hdr
, bool ack
);
1439 void ieee80211_wake_queues_by_reason(struct ieee80211_hw
*hw
,
1440 enum queue_stop_reason reason
);
1441 void ieee80211_stop_queues_by_reason(struct ieee80211_hw
*hw
,
1442 enum queue_stop_reason reason
);
1443 void ieee80211_wake_queue_by_reason(struct ieee80211_hw
*hw
, int queue
,
1444 enum queue_stop_reason reason
);
1445 void ieee80211_stop_queue_by_reason(struct ieee80211_hw
*hw
, int queue
,
1446 enum queue_stop_reason reason
);
1447 void ieee80211_propagate_queue_wake(struct ieee80211_local
*local
, int queue
);
1448 void ieee80211_add_pending_skb(struct ieee80211_local
*local
,
1449 struct sk_buff
*skb
);
1450 void ieee80211_add_pending_skbs_fn(struct ieee80211_local
*local
,
1451 struct sk_buff_head
*skbs
,
1452 void (*fn
)(void *data
), void *data
);
1453 static inline void ieee80211_add_pending_skbs(struct ieee80211_local
*local
,
1454 struct sk_buff_head
*skbs
)
1456 ieee80211_add_pending_skbs_fn(local
, skbs
, NULL
, NULL
);
1459 void ieee80211_send_auth(struct ieee80211_sub_if_data
*sdata
,
1460 u16 transaction
, u16 auth_alg
,
1461 u8
*extra
, size_t extra_len
, const u8
*bssid
,
1462 const u8
*da
, const u8
*key
, u8 key_len
, u8 key_idx
);
1463 void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data
*sdata
,
1464 const u8
*bssid
, u16 stype
, u16 reason
,
1465 bool send_frame
, u8
*frame_buf
);
1466 int ieee80211_build_preq_ies(struct ieee80211_local
*local
, u8
*buffer
,
1467 const u8
*ie
, size_t ie_len
,
1468 enum ieee80211_band band
, u32 rate_mask
,
1470 struct sk_buff
*ieee80211_build_probe_req(struct ieee80211_sub_if_data
*sdata
,
1471 u8
*dst
, u32 ratemask
,
1472 struct ieee80211_channel
*chan
,
1473 const u8
*ssid
, size_t ssid_len
,
1474 const u8
*ie
, size_t ie_len
,
1476 void ieee80211_send_probe_req(struct ieee80211_sub_if_data
*sdata
, u8
*dst
,
1477 const u8
*ssid
, size_t ssid_len
,
1478 const u8
*ie
, size_t ie_len
,
1479 u32 ratemask
, bool directed
, bool no_cck
,
1480 struct ieee80211_channel
*channel
);
1482 void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data
*sdata
,
1483 const size_t supp_rates_len
,
1484 const u8
*supp_rates
);
1485 u32
ieee80211_sta_get_rates(struct ieee80211_local
*local
,
1486 struct ieee802_11_elems
*elems
,
1487 enum ieee80211_band band
, u32
*basic_rates
);
1488 int __ieee80211_request_smps(struct ieee80211_sub_if_data
*sdata
,
1489 enum ieee80211_smps_mode smps_mode
);
1490 void ieee80211_recalc_smps(struct ieee80211_local
*local
);
1492 size_t ieee80211_ie_split(const u8
*ies
, size_t ielen
,
1493 const u8
*ids
, int n_ids
, size_t offset
);
1494 size_t ieee80211_ie_split_vendor(const u8
*ies
, size_t ielen
, size_t offset
);
1495 u8
*ieee80211_ie_build_ht_cap(u8
*pos
, struct ieee80211_sta_ht_cap
*ht_cap
,
1497 u8
*ieee80211_ie_build_ht_oper(u8
*pos
, struct ieee80211_sta_ht_cap
*ht_cap
,
1498 struct ieee80211_channel
*channel
,
1499 enum nl80211_channel_type channel_type
,
1501 u8
*ieee80211_ie_build_vht_cap(u8
*pos
, struct ieee80211_sta_vht_cap
*vht_cap
,
1503 int ieee80211_add_srates_ie(struct ieee80211_sub_if_data
*sdata
,
1504 struct sk_buff
*skb
, bool need_basic
,
1505 enum ieee80211_band band
);
1506 int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data
*sdata
,
1507 struct sk_buff
*skb
, bool need_basic
,
1508 enum ieee80211_band band
);
1510 /* channel management */
1511 enum ieee80211_chan_mode
{
1512 CHAN_MODE_UNDEFINED
,
1517 enum ieee80211_chan_mode
1518 ieee80211_get_channel_mode(struct ieee80211_local
*local
,
1519 struct ieee80211_sub_if_data
*ignore
);
1520 bool ieee80211_set_channel_type(struct ieee80211_local
*local
,
1521 struct ieee80211_sub_if_data
*sdata
,
1522 enum nl80211_channel_type chantype
);
1523 enum nl80211_channel_type
1524 ieee80211_ht_oper_to_channel_type(struct ieee80211_ht_operation
*ht_oper
);
1526 #ifdef CONFIG_MAC80211_NOINLINE
1527 #define debug_noinline noinline
1529 #define debug_noinline
1532 #endif /* IEEE80211_I_H */