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>
6 * Copyright 2013-2014 Intel Mobile Communications GmbH
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
16 #include <linux/kernel.h>
17 #include <linux/device.h>
18 #include <linux/if_ether.h>
19 #include <linux/interrupt.h>
20 #include <linux/list.h>
21 #include <linux/netdevice.h>
22 #include <linux/skbuff.h>
23 #include <linux/workqueue.h>
24 #include <linux/types.h>
25 #include <linux/spinlock.h>
26 #include <linux/etherdevice.h>
27 #include <linux/leds.h>
28 #include <linux/idr.h>
29 #include <net/ieee80211_radiotap.h>
30 #include <net/cfg80211.h>
31 #include <net/mac80211.h>
36 struct ieee80211_local
;
38 /* Maximum number of broadcast/multicast frames to buffer when some of the
39 * associated stations are using power saving. */
40 #define AP_MAX_BC_BUFFER 128
42 /* Maximum number of frames buffered to all STAs, including multicast frames.
43 * Note: increasing this limit increases the potential memory requirement. Each
44 * frame can be up to about 2 kB long. */
45 #define TOTAL_MAX_TX_BUFFER 512
47 /* Required encryption head and tailroom */
48 #define IEEE80211_ENCRYPT_HEADROOM 8
49 #define IEEE80211_ENCRYPT_TAILROOM 18
51 /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent
52 * reception of at least three fragmented frames. This limit can be increased
53 * by changing this define, at the cost of slower frame reassembly and
54 * increased memory use (about 2 kB of RAM per entry). */
55 #define IEEE80211_FRAGMENT_MAX 4
57 /* power level hasn't been configured (or set to automatic) */
58 #define IEEE80211_UNSET_POWER_LEVEL INT_MIN
61 * Some APs experience problems when working with U-APSD. Decrease the
62 * probability of that happening by using legacy mode for all ACs but VO.
63 * The AP that caused us trouble was a Cisco 4410N. It ignores our
64 * setting, and always treats non-VO ACs as legacy.
66 #define IEEE80211_DEFAULT_UAPSD_QUEUES \
67 IEEE80211_WMM_IE_STA_QOSINFO_AC_VO
69 #define IEEE80211_DEFAULT_MAX_SP_LEN \
70 IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
72 #define IEEE80211_DEAUTH_FRAME_LEN (24 /* hdr */ + 2 /* reason */)
74 struct ieee80211_fragment_entry
{
75 unsigned long first_frag_time
;
77 unsigned int rx_queue
;
78 unsigned int last_frag
;
79 unsigned int extra_len
;
80 struct sk_buff_head skb_list
;
81 int ccmp
; /* Whether fragments were encrypted with CCMP */
82 u8 last_pn
[6]; /* PN of the last fragment if CCMP was used */
86 struct ieee80211_bss
{
87 u32 device_ts_beacon
, device_ts_presp
;
92 #define IEEE80211_MAX_SUPP_RATES 32
93 u8 supp_rates
[IEEE80211_MAX_SUPP_RATES
];
94 size_t supp_rates_len
;
95 struct ieee80211_rate
*beacon_rate
;
98 * During association, we save an ERP value from a probe response so
99 * that we can feed ERP info to the driver when handling the
100 * association completes. these fields probably won't be up-to-date
101 * otherwise, you probably don't want to use them.
106 /* Keep track of the corruption of the last beacon/probe response. */
109 /* Keep track of what bits of information we have valid info for. */
114 * enum ieee80211_corrupt_data_flags - BSS data corruption flags
115 * @IEEE80211_BSS_CORRUPT_BEACON: last beacon frame received was corrupted
116 * @IEEE80211_BSS_CORRUPT_PROBE_RESP: last probe response received was corrupted
118 * These are bss flags that are attached to a bss in the
119 * @corrupt_data field of &struct ieee80211_bss.
121 enum ieee80211_bss_corrupt_data_flags
{
122 IEEE80211_BSS_CORRUPT_BEACON
= BIT(0),
123 IEEE80211_BSS_CORRUPT_PROBE_RESP
= BIT(1)
127 * enum ieee80211_valid_data_flags - BSS valid data flags
128 * @IEEE80211_BSS_VALID_WMM: WMM/UAPSD data was gathered from non-corrupt IE
129 * @IEEE80211_BSS_VALID_RATES: Supported rates were gathered from non-corrupt IE
130 * @IEEE80211_BSS_VALID_ERP: ERP flag was gathered from non-corrupt IE
132 * These are bss flags that are attached to a bss in the
133 * @valid_data field of &struct ieee80211_bss. They show which parts
134 * of the data structure were received as a result of an un-corrupted
135 * beacon/probe response.
137 enum ieee80211_bss_valid_data_flags
{
138 IEEE80211_BSS_VALID_WMM
= BIT(1),
139 IEEE80211_BSS_VALID_RATES
= BIT(2),
140 IEEE80211_BSS_VALID_ERP
= BIT(3)
143 typedef unsigned __bitwise__ ieee80211_tx_result
;
144 #define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
145 #define TX_DROP ((__force ieee80211_tx_result) 1u)
146 #define TX_QUEUED ((__force ieee80211_tx_result) 2u)
148 #define IEEE80211_TX_UNICAST BIT(1)
149 #define IEEE80211_TX_PS_BUFFERED BIT(2)
151 struct ieee80211_tx_data
{
153 struct sk_buff_head skbs
;
154 struct ieee80211_local
*local
;
155 struct ieee80211_sub_if_data
*sdata
;
156 struct sta_info
*sta
;
157 struct ieee80211_key
*key
;
158 struct ieee80211_tx_rate rate
;
164 typedef unsigned __bitwise__ ieee80211_rx_result
;
165 #define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
166 #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u)
167 #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
168 #define RX_QUEUED ((__force ieee80211_rx_result) 3u)
171 * enum ieee80211_packet_rx_flags - packet RX flags
172 * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed
173 * (incl. multicast frames)
174 * @IEEE80211_RX_FRAGMENTED: fragmented frame
175 * @IEEE80211_RX_AMSDU: a-MSDU packet
176 * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed
177 * @IEEE80211_RX_DEFERRED_RELEASE: frame was subjected to receive reordering
179 * These are per-frame flags that are attached to a frame in the
180 * @rx_flags field of &struct ieee80211_rx_status.
182 enum ieee80211_packet_rx_flags
{
183 IEEE80211_RX_RA_MATCH
= BIT(1),
184 IEEE80211_RX_FRAGMENTED
= BIT(2),
185 IEEE80211_RX_AMSDU
= BIT(3),
186 IEEE80211_RX_MALFORMED_ACTION_FRM
= BIT(4),
187 IEEE80211_RX_DEFERRED_RELEASE
= BIT(5),
191 * enum ieee80211_rx_flags - RX data flags
193 * @IEEE80211_RX_CMNTR: received on cooked monitor already
194 * @IEEE80211_RX_BEACON_REPORTED: This frame was already reported
195 * to cfg80211_report_obss_beacon().
197 * These flags are used across handling multiple interfaces
198 * for a single frame.
200 enum ieee80211_rx_flags
{
201 IEEE80211_RX_CMNTR
= BIT(0),
202 IEEE80211_RX_BEACON_REPORTED
= BIT(1),
205 struct ieee80211_rx_data
{
207 struct ieee80211_local
*local
;
208 struct ieee80211_sub_if_data
*sdata
;
209 struct sta_info
*sta
;
210 struct ieee80211_key
*key
;
215 * Index into sequence numbers array, 0..16
216 * since the last (16) is used for non-QoS,
217 * will be 16 on non-QoS frames.
222 * Index into the security IV/PN arrays, 0..16
223 * since the last (16) is used for CCMP-encrypted
224 * management frames, will be set to 16 on mgmt
225 * frames and 0 on non-QoS frames.
233 struct ieee80211_csa_settings
{
234 const u16
*counter_offsets_beacon
;
235 const u16
*counter_offsets_presp
;
237 int n_counter_offsets_beacon
;
238 int n_counter_offsets_presp
;
245 int head_len
, tail_len
;
246 struct ieee80211_meshconf_ie
*meshconf
;
247 u16 csa_counter_offsets
[IEEE80211_MAX_CSA_COUNTERS_NUM
];
248 u8 csa_current_counter
;
249 struct rcu_head rcu_head
;
253 struct rcu_head rcu_head
;
255 u16 csa_counter_offsets
[IEEE80211_MAX_CSA_COUNTERS_NUM
];
260 /* yes, this looks ugly, but guarantees that we can later use
262 * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */
263 u8 tim
[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID
+ 1)]
264 __aligned(__alignof__(unsigned long));
265 struct sk_buff_head bc_buf
;
266 atomic_t num_sta_ps
; /* number of stations in PS mode */
271 struct ieee80211_if_ap
{
272 struct beacon_data __rcu
*beacon
;
273 struct probe_resp __rcu
*probe_resp
;
275 /* to be used after channel switch. */
276 struct cfg80211_beacon_data
*next_beacon
;
277 struct list_head vlans
; /* write-protected with RTNL and local->mtx */
280 atomic_t num_mcast_sta
; /* number of stations receiving multicast */
281 enum ieee80211_smps_mode req_smps
, /* requested smps mode */
282 driver_smps_mode
; /* smps mode request */
284 struct work_struct request_smps_work
;
287 struct ieee80211_if_wds
{
288 struct sta_info
*sta
;
289 u8 remote_addr
[ETH_ALEN
];
292 struct ieee80211_if_vlan
{
293 struct list_head list
; /* write-protected with RTNL and local->mtx */
295 /* used for all tx if the VLAN is configured to 4-addr mode */
296 struct sta_info __rcu
*sta
;
300 __u32 fwded_mcast
; /* Mesh forwarded multicast frames */
301 __u32 fwded_unicast
; /* Mesh forwarded unicast frames */
302 __u32 fwded_frames
; /* Mesh total forwarded frames */
303 __u32 dropped_frames_ttl
; /* Not transmitted since mesh_ttl == 0*/
304 __u32 dropped_frames_no_route
; /* Not transmitted, no route found */
305 __u32 dropped_frames_congestion
;/* Not forwarded due to congestion */
308 #define PREQ_Q_F_START 0x1
309 #define PREQ_Q_F_REFRESH 0x2
310 struct mesh_preq_queue
{
311 struct list_head list
;
317 #define IEEE80211_ROC_MIN_LEFT 1
319 #define IEEE80211_ROC_MIN_LEFT (HZ/100)
322 struct ieee80211_roc_work
{
323 struct list_head list
;
324 struct list_head dependents
;
326 struct delayed_work work
;
328 struct ieee80211_sub_if_data
*sdata
;
330 struct ieee80211_channel
*chan
;
332 bool started
, abort
, hw_begun
, notified
;
336 unsigned long hw_start_time
;
338 u32 duration
, req_duration
;
339 struct sk_buff
*frame
;
340 u64 cookie
, mgmt_tx_cookie
;
341 enum ieee80211_roc_type type
;
344 /* flags used in struct ieee80211_if_managed.flags */
345 enum ieee80211_sta_flags
{
346 IEEE80211_STA_CONNECTION_POLL
= BIT(1),
347 IEEE80211_STA_CONTROL_PORT
= BIT(2),
348 IEEE80211_STA_DISABLE_HT
= BIT(4),
349 IEEE80211_STA_MFP_ENABLED
= BIT(6),
350 IEEE80211_STA_UAPSD_ENABLED
= BIT(7),
351 IEEE80211_STA_NULLFUNC_ACKED
= BIT(8),
352 IEEE80211_STA_RESET_SIGNAL_AVE
= BIT(9),
353 IEEE80211_STA_DISABLE_40MHZ
= BIT(10),
354 IEEE80211_STA_DISABLE_VHT
= BIT(11),
355 IEEE80211_STA_DISABLE_80P80MHZ
= BIT(12),
356 IEEE80211_STA_DISABLE_160MHZ
= BIT(13),
357 IEEE80211_STA_DISABLE_WMM
= BIT(14),
358 IEEE80211_STA_ENABLE_RRM
= BIT(15),
361 struct ieee80211_mgd_auth_data
{
362 struct cfg80211_bss
*bss
;
363 unsigned long timeout
;
365 u16 algorithm
, expected_transaction
;
367 u8 key
[WLAN_KEY_LEN_WEP104
];
370 bool timeout_started
;
372 u16 sae_trans
, sae_status
;
377 struct ieee80211_mgd_assoc_data
{
378 struct cfg80211_bss
*bss
;
379 const u8
*supp_rates
;
381 unsigned long timeout
;
385 u8 prev_bssid
[ETH_ALEN
];
386 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
392 bool timeout_started
;
396 struct ieee80211_vht_cap ap_vht_cap
;
402 struct ieee80211_sta_tx_tspec
{
403 /* timestamp of the first packet in the time slice */
404 unsigned long time_slice_start
;
406 u32 admitted_time
; /* in usecs, unlike over the air */
408 s8 up
; /* signed to be able to invalidate with -1 during teardown */
410 /* consumed TX time in microseconds in the time slice */
411 u32 consumed_tx_time
;
413 TX_TSPEC_ACTION_NONE
= 0,
414 TX_TSPEC_ACTION_DOWNGRADE
,
415 TX_TSPEC_ACTION_STOP_DOWNGRADE
,
420 struct ieee80211_if_managed
{
421 struct timer_list timer
;
422 struct timer_list conn_mon_timer
;
423 struct timer_list bcn_mon_timer
;
424 struct timer_list chswitch_timer
;
425 struct work_struct monitor_work
;
426 struct work_struct chswitch_work
;
427 struct work_struct beacon_connection_loss_work
;
428 struct work_struct csa_connection_drop_work
;
430 unsigned long beacon_timeout
;
431 unsigned long probe_timeout
;
432 int probe_send_count
;
433 bool nullfunc_failed
;
434 bool connection_loss
;
436 struct cfg80211_bss
*associated
;
437 struct ieee80211_mgd_auth_data
*auth_data
;
438 struct ieee80211_mgd_assoc_data
*assoc_data
;
444 bool powersave
; /* powersave requested for this iface */
445 bool broken_ap
; /* AP is broken -- turn off powersave */
448 enum ieee80211_smps_mode req_smps
, /* requested smps mode */
449 driver_smps_mode
; /* smps mode request */
451 struct work_struct request_smps_work
;
455 bool csa_waiting_bcn
;
457 bool beacon_crc_valid
;
461 bool status_received
;
465 IEEE80211_MFP_DISABLED
,
466 IEEE80211_MFP_OPTIONAL
,
467 IEEE80211_MFP_REQUIRED
468 } mfp
; /* management frame protection */
471 * Bitmask of enabled u-apsd queues,
472 * IEEE80211_WMM_IE_STA_QOSINFO_AC_BE & co. Needs a new association
475 unsigned int uapsd_queues
;
478 * Maximum number of buffered frames AP can deliver during a
479 * service period, IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL or similar.
480 * Needs a new association to take effect.
482 unsigned int uapsd_max_sp_len
;
484 int wmm_last_param_set
;
490 /* Signal strength from the last Beacon frame in the current BSS. */
491 int last_beacon_signal
;
494 * Weighted average of the signal strength from Beacon frames in the
495 * current BSS. This is in units of 1/16 of the signal unit to maintain
496 * accuracy and to speed up calculations, i.e., the value need to be
497 * divided by 16 to get the actual value.
499 int ave_beacon_signal
;
502 * Number of Beacon frames used in ave_beacon_signal. This can be used
503 * to avoid generating less reliable cqm events that would be based
504 * only on couple of received frames.
506 unsigned int count_beacon_signal
;
509 * Last Beacon frame signal strength average (ave_beacon_signal / 16)
510 * that triggered a cqm event. 0 indicates that no event has been
511 * generated for the current association.
513 int last_cqm_event_signal
;
516 * State variables for keeping track of RSSI of the AP currently
517 * connected to and informing driver when RSSI has gone
518 * below/above a certain threshold.
520 int rssi_min_thold
, rssi_max_thold
;
521 int last_ave_beacon_signal
;
523 struct ieee80211_ht_cap ht_capa
; /* configured ht-cap over-rides */
524 struct ieee80211_ht_cap ht_capa_mask
; /* Valid parts of ht_capa */
525 struct ieee80211_vht_cap vht_capa
; /* configured VHT overrides */
526 struct ieee80211_vht_cap vht_capa_mask
; /* Valid parts of vht_capa */
529 u8 tdls_peer
[ETH_ALEN
] __aligned(2);
530 struct delayed_work tdls_peer_del_work
;
531 struct sk_buff
*orig_teardown_skb
; /* The original teardown skb */
532 struct sk_buff
*teardown_skb
; /* A copy to send through the AP */
533 spinlock_t teardown_lock
; /* To lock changing teardown_skb */
534 bool tdls_chan_switch_prohibited
;
536 /* WMM-AC TSPEC support */
537 struct ieee80211_sta_tx_tspec tx_tspec
[IEEE80211_NUM_ACS
];
538 /* Use a separate work struct so that we can do something here
539 * while the sdata->work is flushing the queues, for example.
540 * otherwise, in scenarios where we hardly get any traffic out
541 * on the BE queue, but there's a lot of VO traffic, we might
542 * get stuck in a downgraded situation and flush takes forever.
544 struct delayed_work tx_tspec_wk
;
547 struct ieee80211_if_ibss
{
548 struct timer_list timer
;
549 struct work_struct csa_connection_drop_work
;
551 unsigned long last_scan_completed
;
560 bool userspace_handles_dfs
;
562 u8 bssid
[ETH_ALEN
] __aligned(2);
563 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
566 struct cfg80211_chan_def chandef
;
568 unsigned long ibss_join_req
;
569 /* probe response/beacon for IBSS */
570 struct beacon_data __rcu
*presp
;
572 struct ieee80211_ht_cap ht_capa
; /* configured ht-cap over-rides */
573 struct ieee80211_ht_cap ht_capa_mask
; /* Valid parts of ht_capa */
575 spinlock_t incomplete_lock
;
576 struct list_head incomplete_stations
;
579 IEEE80211_IBSS_MLME_SEARCH
,
580 IEEE80211_IBSS_MLME_JOINED
,
585 * struct ieee80211_if_ocb - OCB mode state
587 * @housekeeping_timer: timer for periodic invocation of a housekeeping task
588 * @wrkq_flags: OCB deferred task action
589 * @incomplete_lock: delayed STA insertion lock
590 * @incomplete_stations: list of STAs waiting for delayed insertion
591 * @joined: indication if the interface is connected to an OCB network
593 struct ieee80211_if_ocb
{
594 struct timer_list housekeeping_timer
;
595 unsigned long wrkq_flags
;
597 spinlock_t incomplete_lock
;
598 struct list_head incomplete_stations
;
604 * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface
606 * these declarations define the interface, which enables
607 * vendor-specific mesh synchronization
610 struct ieee802_11_elems
;
611 struct ieee80211_mesh_sync_ops
{
612 void (*rx_bcn_presp
)(struct ieee80211_sub_if_data
*sdata
,
614 struct ieee80211_mgmt
*mgmt
,
615 struct ieee802_11_elems
*elems
,
616 struct ieee80211_rx_status
*rx_status
);
618 /* should be called with beacon_data under RCU read lock */
619 void (*adjust_tbtt
)(struct ieee80211_sub_if_data
*sdata
,
620 struct beacon_data
*beacon
);
621 /* add other framework functions here */
624 struct mesh_csa_settings
{
625 struct rcu_head rcu_head
;
626 struct cfg80211_csa_settings settings
;
629 struct ieee80211_if_mesh
{
630 struct timer_list housekeeping_timer
;
631 struct timer_list mesh_path_timer
;
632 struct timer_list mesh_path_root_timer
;
634 unsigned long wrkq_flags
;
635 unsigned long mbss_changed
;
637 u8 mesh_id
[IEEE80211_MAX_MESH_ID_LEN
];
639 /* Active Path Selection Protocol Identifier */
641 /* Active Path Selection Metric Identifier */
643 /* Congestion Control Mode Identifier */
645 /* Synchronization Protocol Identifier */
647 /* Authentication Protocol Identifier */
649 /* Local mesh Sequence Number */
651 /* Last used PREQ ID */
654 /* Timestamp of last SN update */
655 unsigned long last_sn_update
;
656 /* Time when it's ok to send next PERR */
657 unsigned long next_perr
;
658 /* Timestamp of last PREQ sent */
659 unsigned long last_preq
;
660 struct mesh_rmc
*rmc
;
661 spinlock_t mesh_preq_queue_lock
;
662 struct mesh_preq_queue preq_queue
;
664 struct mesh_stats mshstats
;
665 struct mesh_config mshcfg
;
666 atomic_t estab_plinks
;
668 bool accepting_plinks
;
670 struct beacon_data __rcu
*beacon
;
674 IEEE80211_MESH_SEC_NONE
= 0x0,
675 IEEE80211_MESH_SEC_AUTHED
= 0x1,
676 IEEE80211_MESH_SEC_SECURED
= 0x2,
679 /* Extensible Synchronization Framework */
680 const struct ieee80211_mesh_sync_ops
*sync_ops
;
681 s64 sync_offset_clockdrift_max
;
682 spinlock_t sync_offset_lock
;
684 /* mesh power save */
685 enum nl80211_mesh_power_mode nonpeer_pm
;
686 int ps_peers_light_sleep
;
687 int ps_peers_deep_sleep
;
689 /* Channel Switching Support */
690 struct mesh_csa_settings __rcu
*csa
;
692 IEEE80211_MESH_CSA_ROLE_NONE
,
693 IEEE80211_MESH_CSA_ROLE_INIT
,
694 IEEE80211_MESH_CSA_ROLE_REPEATER
,
699 /* offset from skb->data while building IE */
703 #ifdef CONFIG_MAC80211_MESH
704 #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
705 do { (msh)->mshstats.name++; } while (0)
707 #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
712 * enum ieee80211_sub_if_data_flags - virtual interface flags
714 * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets
715 * @IEEE80211_SDATA_PROMISC: interface is promisc
716 * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode
717 * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between
718 * associated stations and deliver multicast frames both
719 * back to wireless media and to the local net stack.
720 * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume.
721 * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver
723 enum ieee80211_sub_if_data_flags
{
724 IEEE80211_SDATA_ALLMULTI
= BIT(0),
725 IEEE80211_SDATA_PROMISC
= BIT(1),
726 IEEE80211_SDATA_OPERATING_GMODE
= BIT(2),
727 IEEE80211_SDATA_DONT_BRIDGE_PACKETS
= BIT(3),
728 IEEE80211_SDATA_DISCONNECT_RESUME
= BIT(4),
729 IEEE80211_SDATA_IN_DRIVER
= BIT(5),
733 * enum ieee80211_sdata_state_bits - virtual interface state bits
734 * @SDATA_STATE_RUNNING: virtual interface is up & running; this
735 * mirrors netif_running() but is separate for interface type
736 * change handling while the interface is up
737 * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel
738 * mode, so queues are stopped
739 * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due
740 * to offchannel, reset when offchannel returns
742 enum ieee80211_sdata_state_bits
{
744 SDATA_STATE_OFFCHANNEL
,
745 SDATA_STATE_OFFCHANNEL_BEACON_STOPPED
,
749 * enum ieee80211_chanctx_mode - channel context configuration mode
751 * @IEEE80211_CHANCTX_SHARED: channel context may be used by
752 * multiple interfaces
753 * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used
754 * only by a single interface. This can be used for example for
755 * non-fixed channel IBSS.
757 enum ieee80211_chanctx_mode
{
758 IEEE80211_CHANCTX_SHARED
,
759 IEEE80211_CHANCTX_EXCLUSIVE
763 * enum ieee80211_chanctx_replace_state - channel context replacement state
765 * This is used for channel context in-place reservations that require channel
766 * context switch/swap.
768 * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place
769 * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced
770 * by a (not yet registered) channel context pointed by %replace_ctx.
771 * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context
772 * replaces an existing channel context pointed to by %replace_ctx.
774 enum ieee80211_chanctx_replace_state
{
775 IEEE80211_CHANCTX_REPLACE_NONE
,
776 IEEE80211_CHANCTX_WILL_BE_REPLACED
,
777 IEEE80211_CHANCTX_REPLACES_OTHER
,
780 struct ieee80211_chanctx
{
781 struct list_head list
;
782 struct rcu_head rcu_head
;
784 struct list_head assigned_vifs
;
785 struct list_head reserved_vifs
;
787 enum ieee80211_chanctx_replace_state replace_state
;
788 struct ieee80211_chanctx
*replace_ctx
;
790 enum ieee80211_chanctx_mode mode
;
793 struct ieee80211_chanctx_conf conf
;
796 struct mac80211_qos_map
{
797 struct cfg80211_qos_map qos_map
;
798 struct rcu_head rcu_head
;
801 struct ieee80211_sub_if_data
{
802 struct list_head list
;
804 struct wireless_dev wdev
;
807 struct list_head key_list
;
809 /* count for keys needing tailroom space allocation */
810 int crypto_tx_tailroom_needed_cnt
;
811 int crypto_tx_tailroom_pending_dec
;
812 struct delayed_work dec_tailroom_needed_wk
;
814 struct net_device
*dev
;
815 struct ieee80211_local
*local
;
821 int drop_unencrypted
;
825 /* Fragment table for host-based reassembly */
826 struct ieee80211_fragment_entry fragments
[IEEE80211_FRAGMENT_MAX
];
827 unsigned int fragment_next
;
829 /* TID bitmap for NoAck policy */
832 /* bit field of ACM bits (BIT(802.1D tag)) */
835 struct ieee80211_key __rcu
*keys
[NUM_DEFAULT_KEYS
+ NUM_DEFAULT_MGMT_KEYS
];
836 struct ieee80211_key __rcu
*default_unicast_key
;
837 struct ieee80211_key __rcu
*default_multicast_key
;
838 struct ieee80211_key __rcu
*default_mgmt_key
;
841 __be16 control_port_protocol
;
842 bool control_port_no_encrypt
;
843 int encrypt_headroom
;
845 struct ieee80211_tx_queue_params tx_conf
[IEEE80211_NUM_ACS
];
846 struct mac80211_qos_map __rcu
*qos_map
;
848 struct work_struct csa_finalize_work
;
849 bool csa_block_tx
; /* write-protected by sdata_lock and local->mtx */
850 struct cfg80211_chan_def csa_chandef
;
852 struct list_head assigned_chanctx_list
; /* protected by chanctx_mtx */
853 struct list_head reserved_chanctx_list
; /* protected by chanctx_mtx */
855 /* context reservation -- protected with chanctx_mtx */
856 struct ieee80211_chanctx
*reserved_chanctx
;
857 struct cfg80211_chan_def reserved_chandef
;
858 bool reserved_radar_required
;
861 /* used to reconfigure hardware SM PS */
862 struct work_struct recalc_smps
;
864 struct work_struct work
;
865 struct sk_buff_head skb_queue
;
868 enum ieee80211_smps_mode smps_mode
;
870 int user_power_level
; /* in dBm */
871 int ap_power_level
; /* in dBm */
874 struct delayed_work dfs_cac_timer_work
;
877 * AP this belongs to: self in AP mode and
878 * corresponding AP in VLAN mode, NULL for
879 * all others (might be needed later in IBSS)
881 struct ieee80211_if_ap
*bss
;
883 /* bitmap of allowed (non-MCS) rate indexes for rate control */
884 u32 rc_rateidx_mask
[IEEE80211_NUM_BANDS
];
886 bool rc_has_mcs_mask
[IEEE80211_NUM_BANDS
];
887 u8 rc_rateidx_mcs_mask
[IEEE80211_NUM_BANDS
][IEEE80211_HT_MCS_MASK_LEN
];
890 struct ieee80211_if_ap ap
;
891 struct ieee80211_if_wds wds
;
892 struct ieee80211_if_vlan vlan
;
893 struct ieee80211_if_managed mgd
;
894 struct ieee80211_if_ibss ibss
;
895 struct ieee80211_if_mesh mesh
;
896 struct ieee80211_if_ocb ocb
;
900 #ifdef CONFIG_MAC80211_DEBUGFS
902 struct dentry
*subdir_stations
;
903 struct dentry
*default_unicast_key
;
904 struct dentry
*default_multicast_key
;
905 struct dentry
*default_mgmt_key
;
909 /* must be last, dynamically sized area in this! */
910 struct ieee80211_vif vif
;
914 struct ieee80211_sub_if_data
*vif_to_sdata(struct ieee80211_vif
*p
)
916 return container_of(p
, struct ieee80211_sub_if_data
, vif
);
919 static inline void sdata_lock(struct ieee80211_sub_if_data
*sdata
)
920 __acquires(&sdata
->wdev
.mtx
)
922 mutex_lock(&sdata
->wdev
.mtx
);
923 __acquire(&sdata
->wdev
.mtx
);
926 static inline void sdata_unlock(struct ieee80211_sub_if_data
*sdata
)
927 __releases(&sdata
->wdev
.mtx
)
929 mutex_unlock(&sdata
->wdev
.mtx
);
930 __release(&sdata
->wdev
.mtx
);
933 #define sdata_dereference(p, sdata) \
934 rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx))
937 sdata_assert_lock(struct ieee80211_sub_if_data
*sdata
)
939 lockdep_assert_held(&sdata
->wdev
.mtx
);
942 static inline enum ieee80211_band
943 ieee80211_get_sdata_band(struct ieee80211_sub_if_data
*sdata
)
945 enum ieee80211_band band
= IEEE80211_BAND_2GHZ
;
946 struct ieee80211_chanctx_conf
*chanctx_conf
;
949 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
950 if (!WARN_ON(!chanctx_conf
))
951 band
= chanctx_conf
->def
.chan
->band
;
958 ieee80211_chandef_get_shift(struct cfg80211_chan_def
*chandef
)
960 switch (chandef
->width
) {
961 case NL80211_CHAN_WIDTH_5
:
963 case NL80211_CHAN_WIDTH_10
:
971 ieee80211_vif_get_shift(struct ieee80211_vif
*vif
)
973 struct ieee80211_chanctx_conf
*chanctx_conf
;
977 chanctx_conf
= rcu_dereference(vif
->chanctx_conf
);
979 shift
= ieee80211_chandef_get_shift(&chanctx_conf
->def
);
985 struct ieee80211_rx_agg
{
990 enum sdata_queue_type
{
991 IEEE80211_SDATA_QUEUE_TYPE_FRAME
= 0,
992 IEEE80211_SDATA_QUEUE_AGG_START
= 1,
993 IEEE80211_SDATA_QUEUE_AGG_STOP
= 2,
994 IEEE80211_SDATA_QUEUE_RX_AGG_START
= 3,
995 IEEE80211_SDATA_QUEUE_RX_AGG_STOP
= 4,
999 IEEE80211_RX_MSG
= 1,
1000 IEEE80211_TX_STATUS_MSG
= 2,
1003 enum queue_stop_reason
{
1004 IEEE80211_QUEUE_STOP_REASON_DRIVER
,
1005 IEEE80211_QUEUE_STOP_REASON_PS
,
1006 IEEE80211_QUEUE_STOP_REASON_CSA
,
1007 IEEE80211_QUEUE_STOP_REASON_AGGREGATION
,
1008 IEEE80211_QUEUE_STOP_REASON_SUSPEND
,
1009 IEEE80211_QUEUE_STOP_REASON_SKB_ADD
,
1010 IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL
,
1011 IEEE80211_QUEUE_STOP_REASON_FLUSH
,
1012 IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN
,
1014 IEEE80211_QUEUE_STOP_REASONS
,
1017 #ifdef CONFIG_MAC80211_LEDS
1018 struct tpt_led_trigger
{
1019 struct led_trigger trig
;
1021 const struct ieee80211_tpt_blink
*blink_table
;
1022 unsigned int blink_table_len
;
1023 struct timer_list timer
;
1024 unsigned long prev_traffic
;
1025 unsigned long tx_bytes
, rx_bytes
;
1026 unsigned int active
, want
;
1032 * struct ieee80211_tx_latency_bin_ranges - Tx latency statistics bins ranges
1034 * Measuring Tx latency statistics. Counts how many Tx frames transmitted in a
1035 * certain latency range (in Milliseconds). Each station that uses these
1036 * ranges will have bins to count the amount of frames received in that range.
1037 * The user can configure the ranges via debugfs.
1038 * If ranges is NULL then Tx latency statistics bins are disabled for all
1041 * @n_ranges: number of ranges that are taken in account
1042 * @ranges: the ranges that the user requested or NULL if disabled.
1044 struct ieee80211_tx_latency_bin_ranges
{
1050 * mac80211 scan flags - currently active scan mode
1052 * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as
1053 * well be on the operating channel
1054 * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
1055 * determine if we are on the operating channel or not
1056 * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating
1057 * channel. This should not interrupt normal traffic.
1058 * @SCAN_COMPLETED: Set for our scan work function when the driver reported
1059 * that the scan completed.
1060 * @SCAN_ABORTED: Set for our scan work function when the driver reported
1061 * a scan complete for an aborted scan.
1062 * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being
1068 SCAN_ONCHANNEL_SCANNING
,
1075 * enum mac80211_scan_state - scan state machine states
1077 * @SCAN_DECISION: Main entry point to the scan state machine, this state
1078 * determines if we should keep on scanning or switch back to the
1080 * @SCAN_SET_CHANNEL: Set the next channel to be scanned
1081 * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses
1082 * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to
1084 * @SCAN_RESUME: Resume the scan and scan the next channel
1085 * @SCAN_ABORT: Abort the scan and go back to operating channel
1087 enum mac80211_scan_state
{
1096 struct ieee80211_local
{
1097 /* embed the driver visible part.
1098 * don't cast (use the static inlines below), but we keep
1099 * it first anyway so they become a no-op */
1100 struct ieee80211_hw hw
;
1102 const struct ieee80211_ops
*ops
;
1105 * private workqueue to mac80211. mac80211 makes this accessible
1106 * via ieee80211_queue_work()
1108 struct workqueue_struct
*workqueue
;
1110 unsigned long queue_stop_reasons
[IEEE80211_MAX_QUEUES
];
1111 int q_stop_reasons
[IEEE80211_MAX_QUEUES
][IEEE80211_QUEUE_STOP_REASONS
];
1112 /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
1113 spinlock_t queue_stop_reason_lock
;
1116 int monitors
, cooked_mntrs
;
1117 /* number of interfaces with corresponding FIF_ flags */
1118 int fif_fcsfail
, fif_plcpfail
, fif_control
, fif_other_bss
, fif_pspoll
,
1121 unsigned int filter_flags
; /* FIF_* */
1123 bool wiphy_ciphers_allocated
;
1127 /* protects the aggregated multicast list and filter calls */
1128 spinlock_t filter_lock
;
1130 /* used for uploading changed mc list */
1131 struct work_struct reconfig_filter
;
1133 /* aggregated multicast list */
1134 struct netdev_hw_addr_list mc_list
;
1136 bool tim_in_locked_section
; /* see ieee80211_beacon_get() */
1139 * suspended is true if we finished all the suspend _and_ we have
1140 * not yet come up from resume. This is to be used by mac80211
1141 * to ensure driver sanity during suspend and mac80211's own
1142 * sanity. It can eventually be used for WoW as well.
1147 * Resuming is true while suspended, but when we're reprogramming the
1148 * hardware -- at that time it's allowed to use ieee80211_queue_work()
1149 * again even though some other parts of the stack are still suspended
1150 * and we still drop received frames to avoid waking the stack.
1155 * quiescing is true during the suspend process _only_ to
1156 * ease timer cancelling etc.
1160 /* device is started */
1163 /* device is during a HW reconfig */
1166 /* wowlan is enabled -- don't reconfig on resume */
1169 /* DFS/radar detection is enabled */
1170 bool radar_detect_enabled
;
1171 struct work_struct radar_detected_work
;
1173 /* number of RX chains the hardware has */
1176 int tx_headroom
; /* required headroom for hardware/radiotap */
1178 /* Tasklet and skb queue to process calls from IRQ mode. All frames
1179 * added to skb_queue will be processed, but frames in
1180 * skb_queue_unreliable may be dropped if the total length of these
1181 * queues increases over the limit. */
1182 #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
1183 struct tasklet_struct tasklet
;
1184 struct sk_buff_head skb_queue
;
1185 struct sk_buff_head skb_queue_unreliable
;
1187 spinlock_t rx_path_lock
;
1191 * The mutex only protects the list, hash table and
1192 * counter, reads are done with RCU.
1194 struct mutex sta_mtx
;
1195 spinlock_t tim_lock
;
1196 unsigned long num_sta
;
1197 struct list_head sta_list
;
1198 struct sta_info __rcu
*sta_hash
[STA_HASH_SIZE
];
1199 struct timer_list sta_cleanup
;
1203 * Tx latency statistics parameters for all stations.
1204 * Can enable via debugfs (NULL when disabled).
1206 struct ieee80211_tx_latency_bin_ranges __rcu
*tx_latency
;
1208 struct sk_buff_head pending
[IEEE80211_MAX_QUEUES
];
1209 struct tasklet_struct tx_pending_tasklet
;
1211 atomic_t agg_queue_stop
[IEEE80211_MAX_QUEUES
];
1213 /* number of interfaces with corresponding IFF_ flags */
1214 atomic_t iff_allmultis
, iff_promiscs
;
1216 struct rate_control_ref
*rate_ctrl
;
1218 struct crypto_cipher
*wep_tx_tfm
;
1219 struct crypto_cipher
*wep_rx_tfm
;
1223 struct list_head interfaces
;
1224 struct mutex iflist_mtx
;
1227 * Key mutex, protects sdata's key_list and sta_info's
1228 * key pointers (write access, they're RCU.)
1230 struct mutex key_mtx
;
1232 /* mutex for scan and work locking */
1235 /* Scanning and BSS list */
1236 unsigned long scanning
;
1237 struct cfg80211_ssid scan_ssid
;
1238 struct cfg80211_scan_request
*int_scan_req
;
1239 struct cfg80211_scan_request
*scan_req
;
1240 struct ieee80211_scan_request
*hw_scan_req
;
1241 struct cfg80211_chan_def scan_chandef
;
1242 enum ieee80211_band hw_scan_band
;
1243 int scan_channel_idx
;
1245 int hw_scan_ies_bufsize
;
1247 struct work_struct sched_scan_stopped_work
;
1248 struct ieee80211_sub_if_data __rcu
*sched_scan_sdata
;
1249 struct cfg80211_sched_scan_request
*sched_scan_req
;
1251 unsigned long leave_oper_channel_time
;
1252 enum mac80211_scan_state next_scan_state
;
1253 struct delayed_work scan_work
;
1254 struct ieee80211_sub_if_data __rcu
*scan_sdata
;
1255 /* For backward compatibility only -- do not use */
1256 struct cfg80211_chan_def _oper_chandef
;
1258 /* Temporary remain-on-channel for off-channel operations */
1259 struct ieee80211_channel
*tmp_channel
;
1261 /* channel contexts */
1262 struct list_head chanctx_list
;
1263 struct mutex chanctx_mtx
;
1266 /* dot11CountersTable */
1267 u32 dot11TransmittedFragmentCount
;
1268 u32 dot11MulticastTransmittedFrameCount
;
1269 u32 dot11FailedCount
;
1270 u32 dot11RetryCount
;
1271 u32 dot11MultipleRetryCount
;
1272 u32 dot11FrameDuplicateCount
;
1273 u32 dot11ReceivedFragmentCount
;
1274 u32 dot11MulticastReceivedFrameCount
;
1275 u32 dot11TransmittedFrameCount
;
1277 #ifdef CONFIG_MAC80211_LEDS
1278 struct led_trigger
*tx_led
, *rx_led
, *assoc_led
, *radio_led
;
1279 struct tpt_led_trigger
*tpt_led_trigger
;
1280 char tx_led_name
[32], rx_led_name
[32],
1281 assoc_led_name
[32], radio_led_name
[32];
1284 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
1285 /* TX/RX handler statistics */
1286 unsigned int tx_handlers_drop
;
1287 unsigned int tx_handlers_queued
;
1288 unsigned int tx_handlers_drop_unencrypted
;
1289 unsigned int tx_handlers_drop_fragment
;
1290 unsigned int tx_handlers_drop_wep
;
1291 unsigned int tx_handlers_drop_not_assoc
;
1292 unsigned int tx_handlers_drop_unauth_port
;
1293 unsigned int rx_handlers_drop
;
1294 unsigned int rx_handlers_queued
;
1295 unsigned int rx_handlers_drop_nullfunc
;
1296 unsigned int rx_handlers_drop_defrag
;
1297 unsigned int rx_handlers_drop_short
;
1298 unsigned int tx_expand_skb_head
;
1299 unsigned int tx_expand_skb_head_cloned
;
1300 unsigned int rx_expand_skb_head
;
1301 unsigned int rx_expand_skb_head2
;
1302 unsigned int rx_handlers_fragments
;
1303 unsigned int tx_status_drop
;
1304 #define I802_DEBUG_INC(c) (c)++
1305 #else /* CONFIG_MAC80211_DEBUG_COUNTERS */
1306 #define I802_DEBUG_INC(c) do { } while (0)
1307 #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
1310 int total_ps_buffered
; /* total number of all buffered unicast and
1311 * multicast packets for power saving stations
1315 bool offchannel_ps_enabled
;
1317 * PS can only be enabled when we have exactly one managed
1318 * interface (and monitors) in PS, this then points there.
1320 struct ieee80211_sub_if_data
*ps_sdata
;
1321 struct work_struct dynamic_ps_enable_work
;
1322 struct work_struct dynamic_ps_disable_work
;
1323 struct timer_list dynamic_ps_timer
;
1324 struct notifier_block network_latency_notifier
;
1325 struct notifier_block ifa_notifier
;
1326 struct notifier_block ifa6_notifier
;
1329 * The dynamic ps timeout configured from user space via WEXT -
1330 * this will override whatever chosen by mac80211 internally.
1332 int dynamic_ps_forced_timeout
;
1334 int user_power_level
; /* in dBm, for all interfaces */
1336 enum ieee80211_smps_mode smps_mode
;
1338 struct work_struct restart_work
;
1340 #ifdef CONFIG_MAC80211_DEBUGFS
1341 struct local_debugfsdentries
{
1342 struct dentry
*rcdir
;
1343 struct dentry
*keys
;
1348 * Remain-on-channel support
1350 struct list_head roc_list
;
1351 struct work_struct hw_roc_start
, hw_roc_done
;
1352 unsigned long hw_roc_start_time
;
1353 u64 roc_cookie_counter
;
1355 struct idr ack_status_frames
;
1356 spinlock_t ack_status_lock
;
1358 struct ieee80211_sub_if_data __rcu
*p2p_sdata
;
1360 struct napi_struct
*napi
;
1362 /* virtual monitor interface */
1363 struct ieee80211_sub_if_data __rcu
*monitor_sdata
;
1364 struct cfg80211_chan_def monitor_chandef
;
1366 /* extended capabilities provided by mac80211 */
1370 static inline struct ieee80211_sub_if_data
*
1371 IEEE80211_DEV_TO_SUB_IF(struct net_device
*dev
)
1373 return netdev_priv(dev
);
1376 static inline struct ieee80211_sub_if_data
*
1377 IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev
*wdev
)
1379 return container_of(wdev
, struct ieee80211_sub_if_data
, wdev
);
1382 /* this struct represents 802.11n's RA/TID combination */
1383 struct ieee80211_ra_tid
{
1388 /* this struct holds the value parsing from channel switch IE */
1389 struct ieee80211_csa_ie
{
1390 struct cfg80211_chan_def chandef
;
1397 /* Parsed Information Elements */
1398 struct ieee802_11_elems
{
1402 /* pointers to IEs */
1403 const struct ieee80211_tdls_lnkie
*lnk_id
;
1404 const struct ieee80211_ch_switch_timing
*ch_sw_timing
;
1405 const u8
*ext_capab
;
1407 const u8
*supp_rates
;
1408 const u8
*ds_params
;
1409 const struct ieee80211_tim_ie
*tim
;
1410 const u8
*challenge
;
1413 const u8
*ext_supp_rates
;
1415 const u8
*wmm_param
;
1416 const struct ieee80211_ht_cap
*ht_cap_elem
;
1417 const struct ieee80211_ht_operation
*ht_operation
;
1418 const struct ieee80211_vht_cap
*vht_cap_elem
;
1419 const struct ieee80211_vht_operation
*vht_operation
;
1420 const struct ieee80211_meshconf_ie
*mesh_config
;
1423 const __le16
*awake_window
;
1427 const struct ieee80211_rann_ie
*rann
;
1428 const struct ieee80211_channel_sw_ie
*ch_switch_ie
;
1429 const struct ieee80211_ext_chansw_ie
*ext_chansw_ie
;
1430 const struct ieee80211_wide_bw_chansw_ie
*wide_bw_chansw_ie
;
1431 const u8
*country_elem
;
1432 const u8
*pwr_constr_elem
;
1433 const u8
*cisco_dtpc_elem
;
1434 const struct ieee80211_timeout_interval_ie
*timeout_int
;
1435 const u8
*opmode_notif
;
1436 const struct ieee80211_sec_chan_offs_ie
*sec_chan_offs
;
1437 const struct ieee80211_mesh_chansw_params_ie
*mesh_chansw_params_ie
;
1439 /* length of them, respectively */
1446 u8 ext_supp_rates_len
;
1454 u8 country_elem_len
;
1456 /* whether a parse error occurred while retrieving these elements */
1460 static inline struct ieee80211_local
*hw_to_local(
1461 struct ieee80211_hw
*hw
)
1463 return container_of(hw
, struct ieee80211_local
, hw
);
1467 static inline int ieee80211_bssid_match(const u8
*raddr
, const u8
*addr
)
1469 return ether_addr_equal(raddr
, addr
) ||
1470 is_broadcast_ether_addr(raddr
);
1474 ieee80211_have_rx_timestamp(struct ieee80211_rx_status
*status
)
1476 WARN_ON_ONCE(status
->flag
& RX_FLAG_MACTIME_START
&&
1477 status
->flag
& RX_FLAG_MACTIME_END
);
1478 return status
->flag
& (RX_FLAG_MACTIME_START
| RX_FLAG_MACTIME_END
);
1481 u64
ieee80211_calculate_rx_timestamp(struct ieee80211_local
*local
,
1482 struct ieee80211_rx_status
*status
,
1483 unsigned int mpdu_len
,
1484 unsigned int mpdu_offset
);
1485 int ieee80211_hw_config(struct ieee80211_local
*local
, u32 changed
);
1486 void ieee80211_tx_set_protected(struct ieee80211_tx_data
*tx
);
1487 void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data
*sdata
,
1489 void ieee80211_configure_filter(struct ieee80211_local
*local
);
1490 u32
ieee80211_reset_erp_info(struct ieee80211_sub_if_data
*sdata
);
1493 void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data
*sdata
);
1494 int ieee80211_mgd_auth(struct ieee80211_sub_if_data
*sdata
,
1495 struct cfg80211_auth_request
*req
);
1496 int ieee80211_mgd_assoc(struct ieee80211_sub_if_data
*sdata
,
1497 struct cfg80211_assoc_request
*req
);
1498 int ieee80211_mgd_deauth(struct ieee80211_sub_if_data
*sdata
,
1499 struct cfg80211_deauth_request
*req
);
1500 int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data
*sdata
,
1501 struct cfg80211_disassoc_request
*req
);
1502 void ieee80211_send_pspoll(struct ieee80211_local
*local
,
1503 struct ieee80211_sub_if_data
*sdata
);
1504 void ieee80211_recalc_ps(struct ieee80211_local
*local
, s32 latency
);
1505 void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data
*sdata
);
1506 int ieee80211_max_network_latency(struct notifier_block
*nb
,
1507 unsigned long data
, void *dummy
);
1508 int ieee80211_set_arp_filter(struct ieee80211_sub_if_data
*sdata
);
1509 void ieee80211_sta_work(struct ieee80211_sub_if_data
*sdata
);
1510 void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data
*sdata
,
1511 struct sk_buff
*skb
);
1512 void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data
*sdata
);
1513 void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data
*sdata
);
1514 void ieee80211_mgd_stop(struct ieee80211_sub_if_data
*sdata
);
1515 void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data
*sdata
,
1516 __le16 fc
, bool acked
);
1517 void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data
*sdata
);
1518 void ieee80211_sta_restart(struct ieee80211_sub_if_data
*sdata
);
1519 void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data
*sdata
);
1522 void ieee80211_ibss_notify_scan_completed(struct ieee80211_local
*local
);
1523 void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data
*sdata
);
1524 void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data
*sdata
,
1525 const u8
*bssid
, const u8
*addr
, u32 supp_rates
);
1526 int ieee80211_ibss_join(struct ieee80211_sub_if_data
*sdata
,
1527 struct cfg80211_ibss_params
*params
);
1528 int ieee80211_ibss_leave(struct ieee80211_sub_if_data
*sdata
);
1529 void ieee80211_ibss_work(struct ieee80211_sub_if_data
*sdata
);
1530 void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data
*sdata
,
1531 struct sk_buff
*skb
);
1532 int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
1533 struct cfg80211_csa_settings
*csa_settings
);
1534 int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data
*sdata
);
1535 void ieee80211_ibss_stop(struct ieee80211_sub_if_data
*sdata
);
1538 void ieee80211_ocb_work(struct ieee80211_sub_if_data
*sdata
);
1539 void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data
*sdata
,
1540 const u8
*bssid
, const u8
*addr
, u32 supp_rates
);
1541 void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data
*sdata
);
1542 int ieee80211_ocb_join(struct ieee80211_sub_if_data
*sdata
,
1543 struct ocb_setup
*setup
);
1544 int ieee80211_ocb_leave(struct ieee80211_sub_if_data
*sdata
);
1547 void ieee80211_mesh_work(struct ieee80211_sub_if_data
*sdata
);
1548 void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data
*sdata
,
1549 struct sk_buff
*skb
);
1550 int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data
*sdata
,
1551 struct cfg80211_csa_settings
*csa_settings
);
1552 int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data
*sdata
);
1554 /* scan/BSS handling */
1555 void ieee80211_scan_work(struct work_struct
*work
);
1556 int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data
*sdata
,
1557 const u8
*ssid
, u8 ssid_len
,
1558 struct ieee80211_channel
*chan
,
1559 enum nl80211_bss_scan_width scan_width
);
1560 int ieee80211_request_scan(struct ieee80211_sub_if_data
*sdata
,
1561 struct cfg80211_scan_request
*req
);
1562 void ieee80211_scan_cancel(struct ieee80211_local
*local
);
1563 void ieee80211_run_deferred_scan(struct ieee80211_local
*local
);
1564 void ieee80211_scan_rx(struct ieee80211_local
*local
, struct sk_buff
*skb
);
1566 void ieee80211_mlme_notify_scan_completed(struct ieee80211_local
*local
);
1567 struct ieee80211_bss
*
1568 ieee80211_bss_info_update(struct ieee80211_local
*local
,
1569 struct ieee80211_rx_status
*rx_status
,
1570 struct ieee80211_mgmt
*mgmt
,
1572 struct ieee802_11_elems
*elems
,
1573 struct ieee80211_channel
*channel
);
1574 void ieee80211_rx_bss_put(struct ieee80211_local
*local
,
1575 struct ieee80211_bss
*bss
);
1577 /* scheduled scan handling */
1579 __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data
*sdata
,
1580 struct cfg80211_sched_scan_request
*req
);
1581 int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data
*sdata
,
1582 struct cfg80211_sched_scan_request
*req
);
1583 int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data
*sdata
);
1584 void ieee80211_sched_scan_end(struct ieee80211_local
*local
);
1585 void ieee80211_sched_scan_stopped_work(struct work_struct
*work
);
1587 /* off-channel helpers */
1588 void ieee80211_offchannel_stop_vifs(struct ieee80211_local
*local
);
1589 void ieee80211_offchannel_return(struct ieee80211_local
*local
);
1590 void ieee80211_roc_setup(struct ieee80211_local
*local
);
1591 void ieee80211_start_next_roc(struct ieee80211_local
*local
);
1592 void ieee80211_roc_purge(struct ieee80211_local
*local
,
1593 struct ieee80211_sub_if_data
*sdata
);
1594 void ieee80211_roc_notify_destroy(struct ieee80211_roc_work
*roc
, bool free
);
1595 void ieee80211_sw_roc_work(struct work_struct
*work
);
1596 void ieee80211_handle_roc_started(struct ieee80211_roc_work
*roc
);
1598 /* channel switch handling */
1599 void ieee80211_csa_finalize_work(struct work_struct
*work
);
1600 int ieee80211_channel_switch(struct wiphy
*wiphy
, struct net_device
*dev
,
1601 struct cfg80211_csa_settings
*params
);
1603 /* interface handling */
1604 int ieee80211_iface_init(void);
1605 void ieee80211_iface_exit(void);
1606 int ieee80211_if_add(struct ieee80211_local
*local
, const char *name
,
1607 struct wireless_dev
**new_wdev
, enum nl80211_iftype type
,
1608 struct vif_params
*params
);
1609 int ieee80211_if_change_type(struct ieee80211_sub_if_data
*sdata
,
1610 enum nl80211_iftype type
);
1611 void ieee80211_if_remove(struct ieee80211_sub_if_data
*sdata
);
1612 void ieee80211_remove_interfaces(struct ieee80211_local
*local
);
1613 u32
ieee80211_idle_off(struct ieee80211_local
*local
);
1614 void ieee80211_recalc_idle(struct ieee80211_local
*local
);
1615 void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data
*sdata
,
1617 int ieee80211_do_open(struct wireless_dev
*wdev
, bool coming_up
);
1618 void ieee80211_sdata_stop(struct ieee80211_sub_if_data
*sdata
);
1619 int ieee80211_add_virtual_monitor(struct ieee80211_local
*local
);
1620 void ieee80211_del_virtual_monitor(struct ieee80211_local
*local
);
1622 bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data
*sdata
);
1623 void ieee80211_recalc_txpower(struct ieee80211_sub_if_data
*sdata
);
1625 static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data
*sdata
)
1627 return test_bit(SDATA_STATE_RUNNING
, &sdata
->state
);
1631 void ieee80211_clear_tx_pending(struct ieee80211_local
*local
);
1632 void ieee80211_tx_pending(unsigned long data
);
1633 netdev_tx_t
ieee80211_monitor_start_xmit(struct sk_buff
*skb
,
1634 struct net_device
*dev
);
1635 netdev_tx_t
ieee80211_subif_start_xmit(struct sk_buff
*skb
,
1636 struct net_device
*dev
);
1637 void __ieee80211_subif_start_xmit(struct sk_buff
*skb
,
1638 struct net_device
*dev
,
1640 void ieee80211_purge_tx_queue(struct ieee80211_hw
*hw
,
1641 struct sk_buff_head
*skbs
);
1643 ieee80211_build_data_template(struct ieee80211_sub_if_data
*sdata
,
1644 struct sk_buff
*skb
, u32 info_flags
);
1647 void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data
*sdata
,
1648 struct ieee80211_sta_ht_cap
*ht_cap
);
1649 bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data
*sdata
,
1650 struct ieee80211_supported_band
*sband
,
1651 const struct ieee80211_ht_cap
*ht_cap_ie
,
1652 struct sta_info
*sta
);
1653 void ieee80211_send_delba(struct ieee80211_sub_if_data
*sdata
,
1654 const u8
*da
, u16 tid
,
1655 u16 initiator
, u16 reason_code
);
1656 int ieee80211_send_smps_action(struct ieee80211_sub_if_data
*sdata
,
1657 enum ieee80211_smps_mode smps
, const u8
*da
,
1659 void ieee80211_request_smps_ap_work(struct work_struct
*work
);
1660 void ieee80211_request_smps_mgd_work(struct work_struct
*work
);
1661 bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old
,
1662 enum ieee80211_smps_mode smps_mode_new
);
1664 void ___ieee80211_stop_rx_ba_session(struct sta_info
*sta
, u16 tid
,
1665 u16 initiator
, u16 reason
, bool stop
);
1666 void __ieee80211_stop_rx_ba_session(struct sta_info
*sta
, u16 tid
,
1667 u16 initiator
, u16 reason
, bool stop
);
1668 void __ieee80211_start_rx_ba_session(struct sta_info
*sta
,
1669 u8 dialog_token
, u16 timeout
,
1670 u16 start_seq_num
, u16 ba_policy
, u16 tid
,
1671 u16 buf_size
, bool tx
, bool auto_seq
);
1672 void ieee80211_sta_tear_down_BA_sessions(struct sta_info
*sta
,
1673 enum ieee80211_agg_stop_reason reason
);
1674 void ieee80211_process_delba(struct ieee80211_sub_if_data
*sdata
,
1675 struct sta_info
*sta
,
1676 struct ieee80211_mgmt
*mgmt
, size_t len
);
1677 void ieee80211_process_addba_resp(struct ieee80211_local
*local
,
1678 struct sta_info
*sta
,
1679 struct ieee80211_mgmt
*mgmt
,
1681 void ieee80211_process_addba_request(struct ieee80211_local
*local
,
1682 struct sta_info
*sta
,
1683 struct ieee80211_mgmt
*mgmt
,
1686 int __ieee80211_stop_tx_ba_session(struct sta_info
*sta
, u16 tid
,
1687 enum ieee80211_agg_stop_reason reason
);
1688 int ___ieee80211_stop_tx_ba_session(struct sta_info
*sta
, u16 tid
,
1689 enum ieee80211_agg_stop_reason reason
);
1690 void ieee80211_start_tx_ba_cb(struct ieee80211_vif
*vif
, u8
*ra
, u16 tid
);
1691 void ieee80211_stop_tx_ba_cb(struct ieee80211_vif
*vif
, u8
*ra
, u8 tid
);
1692 void ieee80211_ba_session_work(struct work_struct
*work
);
1693 void ieee80211_tx_ba_session_handle_start(struct sta_info
*sta
, int tid
);
1694 void ieee80211_release_reorder_timeout(struct sta_info
*sta
, int tid
);
1696 u8
ieee80211_mcs_to_chains(const struct ieee80211_mcs_info
*mcs
);
1700 ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data
*sdata
,
1701 struct ieee80211_supported_band
*sband
,
1702 const struct ieee80211_vht_cap
*vht_cap_ie
,
1703 struct sta_info
*sta
);
1704 enum ieee80211_sta_rx_bandwidth
ieee80211_sta_cur_vht_bw(struct sta_info
*sta
);
1705 void ieee80211_sta_set_rx_nss(struct sta_info
*sta
);
1706 u32
__ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data
*sdata
,
1707 struct sta_info
*sta
, u8 opmode
,
1708 enum ieee80211_band band
, bool nss_only
);
1709 void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data
*sdata
,
1710 struct sta_info
*sta
, u8 opmode
,
1711 enum ieee80211_band band
, bool nss_only
);
1712 void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data
*sdata
,
1713 struct ieee80211_sta_vht_cap
*vht_cap
);
1715 /* Spectrum management */
1716 void ieee80211_process_measurement_req(struct ieee80211_sub_if_data
*sdata
,
1717 struct ieee80211_mgmt
*mgmt
,
1720 * ieee80211_parse_ch_switch_ie - parses channel switch IEs
1721 * @sdata: the sdata of the interface which has received the frame
1722 * @elems: parsed 802.11 elements received with the frame
1723 * @beacon: indicates if the frame was a beacon or probe response
1724 * @current_band: indicates the current band
1725 * @sta_flags: contains information about own capabilities and restrictions
1726 * to decide which channel switch announcements can be accepted. Only the
1727 * following subset of &enum ieee80211_sta_flags are evaluated:
1728 * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT,
1729 * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ,
1730 * %IEEE80211_STA_DISABLE_160MHZ.
1731 * @bssid: the currently connected bssid (for reporting)
1732 * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl.
1733 All of them will be filled with if success only.
1734 * Return: 0 on success, <0 on error and >0 if there is nothing to parse.
1736 int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data
*sdata
,
1737 struct ieee802_11_elems
*elems
, bool beacon
,
1738 enum ieee80211_band current_band
,
1739 u32 sta_flags
, u8
*bssid
,
1740 struct ieee80211_csa_ie
*csa_ie
);
1742 /* Suspend/resume and hw reconfiguration */
1743 int ieee80211_reconfig(struct ieee80211_local
*local
);
1744 void ieee80211_stop_device(struct ieee80211_local
*local
);
1746 int __ieee80211_suspend(struct ieee80211_hw
*hw
,
1747 struct cfg80211_wowlan
*wowlan
);
1749 static inline int __ieee80211_resume(struct ieee80211_hw
*hw
)
1751 struct ieee80211_local
*local
= hw_to_local(hw
);
1753 WARN(test_bit(SCAN_HW_SCANNING
, &local
->scanning
),
1754 "%s: resume with hardware scan still in progress\n",
1755 wiphy_name(hw
->wiphy
));
1757 return ieee80211_reconfig(hw_to_local(hw
));
1760 /* utility functions/constants */
1761 extern const void *const mac80211_wiphy_privid
; /* for wiphy privid */
1762 u8
*ieee80211_get_bssid(struct ieee80211_hdr
*hdr
, size_t len
,
1763 enum nl80211_iftype type
);
1764 int ieee80211_frame_duration(enum ieee80211_band band
, size_t len
,
1765 int rate
, int erp
, int short_preamble
,
1767 void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data
*sdata
, int keyidx
,
1768 struct ieee80211_hdr
*hdr
, const u8
*tsc
,
1770 void ieee80211_set_wmm_default(struct ieee80211_sub_if_data
*sdata
,
1772 void ieee80211_xmit(struct ieee80211_sub_if_data
*sdata
, struct sk_buff
*skb
);
1774 void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data
*sdata
,
1775 struct sk_buff
*skb
, int tid
,
1776 enum ieee80211_band band
);
1779 ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data
*sdata
,
1780 struct sk_buff
*skb
, int tid
,
1781 enum ieee80211_band band
)
1784 __ieee80211_tx_skb_tid_band(sdata
, skb
, tid
, band
);
1788 static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data
*sdata
,
1789 struct sk_buff
*skb
, int tid
)
1791 struct ieee80211_chanctx_conf
*chanctx_conf
;
1794 chanctx_conf
= rcu_dereference(sdata
->vif
.chanctx_conf
);
1795 if (WARN_ON(!chanctx_conf
)) {
1801 __ieee80211_tx_skb_tid_band(sdata
, skb
, tid
,
1802 chanctx_conf
->def
.chan
->band
);
1806 static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data
*sdata
,
1807 struct sk_buff
*skb
)
1809 /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */
1810 ieee80211_tx_skb_tid(sdata
, skb
, 7);
1813 u32
ieee802_11_parse_elems_crc(const u8
*start
, size_t len
, bool action
,
1814 struct ieee802_11_elems
*elems
,
1815 u64 filter
, u32 crc
);
1816 static inline void ieee802_11_parse_elems(const u8
*start
, size_t len
,
1818 struct ieee802_11_elems
*elems
)
1820 ieee802_11_parse_elems_crc(start
, len
, action
, elems
, 0, 0);
1823 static inline bool ieee80211_rx_reorder_ready(struct sk_buff_head
*frames
)
1825 struct sk_buff
*tail
= skb_peek_tail(frames
);
1826 struct ieee80211_rx_status
*status
;
1831 status
= IEEE80211_SKB_RXCB(tail
);
1832 if (status
->flag
& RX_FLAG_AMSDU_MORE
)
1838 extern const int ieee802_1d_to_ac
[8];
1840 static inline int ieee80211_ac_from_tid(int tid
)
1842 return ieee802_1d_to_ac
[tid
& 7];
1845 void ieee80211_dynamic_ps_enable_work(struct work_struct
*work
);
1846 void ieee80211_dynamic_ps_disable_work(struct work_struct
*work
);
1847 void ieee80211_dynamic_ps_timer(unsigned long data
);
1848 void ieee80211_send_nullfunc(struct ieee80211_local
*local
,
1849 struct ieee80211_sub_if_data
*sdata
,
1851 void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data
*sdata
,
1852 struct ieee80211_hdr
*hdr
);
1853 void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data
*sdata
,
1854 struct ieee80211_hdr
*hdr
, bool ack
, u16 tx_time
);
1856 void ieee80211_wake_queues_by_reason(struct ieee80211_hw
*hw
,
1857 unsigned long queues
,
1858 enum queue_stop_reason reason
,
1860 void ieee80211_stop_vif_queues(struct ieee80211_local
*local
,
1861 struct ieee80211_sub_if_data
*sdata
,
1862 enum queue_stop_reason reason
);
1863 void ieee80211_wake_vif_queues(struct ieee80211_local
*local
,
1864 struct ieee80211_sub_if_data
*sdata
,
1865 enum queue_stop_reason reason
);
1866 void ieee80211_stop_queues_by_reason(struct ieee80211_hw
*hw
,
1867 unsigned long queues
,
1868 enum queue_stop_reason reason
,
1870 void ieee80211_wake_queue_by_reason(struct ieee80211_hw
*hw
, int queue
,
1871 enum queue_stop_reason reason
,
1873 void ieee80211_stop_queue_by_reason(struct ieee80211_hw
*hw
, int queue
,
1874 enum queue_stop_reason reason
,
1876 void ieee80211_propagate_queue_wake(struct ieee80211_local
*local
, int queue
);
1877 void ieee80211_add_pending_skb(struct ieee80211_local
*local
,
1878 struct sk_buff
*skb
);
1879 void ieee80211_add_pending_skbs(struct ieee80211_local
*local
,
1880 struct sk_buff_head
*skbs
);
1881 void ieee80211_flush_queues(struct ieee80211_local
*local
,
1882 struct ieee80211_sub_if_data
*sdata
);
1884 void ieee80211_send_auth(struct ieee80211_sub_if_data
*sdata
,
1885 u16 transaction
, u16 auth_alg
, u16 status
,
1886 const u8
*extra
, size_t extra_len
, const u8
*bssid
,
1887 const u8
*da
, const u8
*key
, u8 key_len
, u8 key_idx
,
1889 void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data
*sdata
,
1890 const u8
*bssid
, u16 stype
, u16 reason
,
1891 bool send_frame
, u8
*frame_buf
);
1892 int ieee80211_build_preq_ies(struct ieee80211_local
*local
, u8
*buffer
,
1894 struct ieee80211_scan_ies
*ie_desc
,
1895 const u8
*ie
, size_t ie_len
,
1896 u8 bands_used
, u32
*rate_masks
,
1897 struct cfg80211_chan_def
*chandef
);
1898 struct sk_buff
*ieee80211_build_probe_req(struct ieee80211_sub_if_data
*sdata
,
1899 u8
*dst
, u32 ratemask
,
1900 struct ieee80211_channel
*chan
,
1901 const u8
*ssid
, size_t ssid_len
,
1902 const u8
*ie
, size_t ie_len
,
1904 void ieee80211_send_probe_req(struct ieee80211_sub_if_data
*sdata
, u8
*dst
,
1905 const u8
*ssid
, size_t ssid_len
,
1906 const u8
*ie
, size_t ie_len
,
1907 u32 ratemask
, bool directed
, u32 tx_flags
,
1908 struct ieee80211_channel
*channel
, bool scan
);
1910 u32
ieee80211_sta_get_rates(struct ieee80211_sub_if_data
*sdata
,
1911 struct ieee802_11_elems
*elems
,
1912 enum ieee80211_band band
, u32
*basic_rates
);
1913 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data
*sdata
,
1914 enum ieee80211_smps_mode smps_mode
);
1915 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data
*sdata
,
1916 enum ieee80211_smps_mode smps_mode
);
1917 void ieee80211_recalc_smps(struct ieee80211_sub_if_data
*sdata
);
1918 void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data
*sdata
);
1920 size_t ieee80211_ie_split_ric(const u8
*ies
, size_t ielen
,
1921 const u8
*ids
, int n_ids
,
1922 const u8
*after_ric
, int n_after_ric
,
1924 size_t ieee80211_ie_split_vendor(const u8
*ies
, size_t ielen
, size_t offset
);
1925 u8
*ieee80211_ie_build_ht_cap(u8
*pos
, struct ieee80211_sta_ht_cap
*ht_cap
,
1927 u8
*ieee80211_ie_build_ht_oper(u8
*pos
, struct ieee80211_sta_ht_cap
*ht_cap
,
1928 const struct cfg80211_chan_def
*chandef
,
1930 u8
*ieee80211_ie_build_vht_cap(u8
*pos
, struct ieee80211_sta_vht_cap
*vht_cap
,
1932 int ieee80211_parse_bitrates(struct cfg80211_chan_def
*chandef
,
1933 const struct ieee80211_supported_band
*sband
,
1934 const u8
*srates
, int srates_len
, u32
*rates
);
1935 int ieee80211_add_srates_ie(struct ieee80211_sub_if_data
*sdata
,
1936 struct sk_buff
*skb
, bool need_basic
,
1937 enum ieee80211_band band
);
1938 int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data
*sdata
,
1939 struct sk_buff
*skb
, bool need_basic
,
1940 enum ieee80211_band band
);
1941 u8
*ieee80211_add_wmm_info_ie(u8
*buf
, u8 qosinfo
);
1943 /* channel management */
1944 void ieee80211_ht_oper_to_chandef(struct ieee80211_channel
*control_chan
,
1945 const struct ieee80211_ht_operation
*ht_oper
,
1946 struct cfg80211_chan_def
*chandef
);
1947 u32
ieee80211_chandef_downgrade(struct cfg80211_chan_def
*c
);
1950 ieee80211_vif_use_channel(struct ieee80211_sub_if_data
*sdata
,
1951 const struct cfg80211_chan_def
*chandef
,
1952 enum ieee80211_chanctx_mode mode
);
1954 ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data
*sdata
,
1955 const struct cfg80211_chan_def
*chandef
,
1956 enum ieee80211_chanctx_mode mode
,
1957 bool radar_required
);
1959 ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data
*sdata
);
1960 int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data
*sdata
);
1963 ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data
*sdata
,
1964 const struct cfg80211_chan_def
*chandef
,
1966 void ieee80211_vif_release_channel(struct ieee80211_sub_if_data
*sdata
);
1967 void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data
*sdata
);
1968 void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data
*sdata
,
1970 int ieee80211_chanctx_refcount(struct ieee80211_local
*local
,
1971 struct ieee80211_chanctx
*ctx
);
1973 void ieee80211_recalc_smps_chanctx(struct ieee80211_local
*local
,
1974 struct ieee80211_chanctx
*chanctx
);
1975 void ieee80211_recalc_chanctx_min_def(struct ieee80211_local
*local
,
1976 struct ieee80211_chanctx
*ctx
);
1978 void ieee80211_dfs_cac_timer(unsigned long data
);
1979 void ieee80211_dfs_cac_timer_work(struct work_struct
*work
);
1980 void ieee80211_dfs_cac_cancel(struct ieee80211_local
*local
);
1981 void ieee80211_dfs_radar_detected_work(struct work_struct
*work
);
1982 int ieee80211_send_action_csa(struct ieee80211_sub_if_data
*sdata
,
1983 struct cfg80211_csa_settings
*csa_settings
);
1985 bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme
*cs
);
1986 bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme
*cs
, int n
);
1987 const struct ieee80211_cipher_scheme
*
1988 ieee80211_cs_get(struct ieee80211_local
*local
, u32 cipher
,
1989 enum nl80211_iftype iftype
);
1990 int ieee80211_cs_headroom(struct ieee80211_local
*local
,
1991 struct cfg80211_crypto_settings
*crypto
,
1992 enum nl80211_iftype iftype
);
1993 void ieee80211_recalc_dtim(struct ieee80211_local
*local
,
1994 struct ieee80211_sub_if_data
*sdata
);
1995 int ieee80211_check_combinations(struct ieee80211_sub_if_data
*sdata
,
1996 const struct cfg80211_chan_def
*chandef
,
1997 enum ieee80211_chanctx_mode chanmode
,
1999 int ieee80211_max_num_channels(struct ieee80211_local
*local
);
2002 int ieee80211_tdls_mgmt(struct wiphy
*wiphy
, struct net_device
*dev
,
2003 const u8
*peer
, u8 action_code
, u8 dialog_token
,
2004 u16 status_code
, u32 peer_capability
,
2005 bool initiator
, const u8
*extra_ies
,
2006 size_t extra_ies_len
);
2007 int ieee80211_tdls_oper(struct wiphy
*wiphy
, struct net_device
*dev
,
2008 const u8
*peer
, enum nl80211_tdls_operation oper
);
2009 void ieee80211_tdls_peer_del_work(struct work_struct
*wk
);
2011 extern const struct ethtool_ops ieee80211_ethtool_ops
;
2013 #ifdef CONFIG_MAC80211_NOINLINE
2014 #define debug_noinline noinline
2016 #define debug_noinline
2019 #endif /* IEEE80211_I_H */