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 recieved 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 */
528 u8 tdls_peer[ETH_ALEN] __aligned(2);
529 struct delayed_work tdls_peer_del_work;
531 /* WMM-AC TSPEC support */
532 struct ieee80211_sta_tx_tspec tx_tspec[IEEE80211_NUM_ACS];
533 /* Use a separate work struct so that we can do something here
534 * while the sdata->work is flushing the queues, for example.
535 * otherwise, in scenarios where we hardly get any traffic out
536 * on the BE queue, but there's a lot of VO traffic, we might
537 * get stuck in a downgraded situation and flush takes forever.
539 struct delayed_work tx_tspec_wk;
542 struct ieee80211_if_ibss {
543 struct timer_list timer;
544 struct work_struct csa_connection_drop_work;
546 unsigned long last_scan_completed;
555 bool userspace_handles_dfs;
557 u8 bssid[ETH_ALEN] __aligned(2);
558 u8 ssid[IEEE80211_MAX_SSID_LEN];
561 struct cfg80211_chan_def chandef;
563 unsigned long ibss_join_req;
564 /* probe response/beacon for IBSS */
565 struct beacon_data __rcu *presp;
567 struct ieee80211_ht_cap ht_capa; /* configured ht-cap over-rides */
568 struct ieee80211_ht_cap ht_capa_mask; /* Valid parts of ht_capa */
570 spinlock_t incomplete_lock;
571 struct list_head incomplete_stations;
574 IEEE80211_IBSS_MLME_SEARCH,
575 IEEE80211_IBSS_MLME_JOINED,
580 * struct ieee80211_mesh_sync_ops - Extensible synchronization framework interface
582 * these declarations define the interface, which enables
583 * vendor-specific mesh synchronization
586 struct ieee802_11_elems;
587 struct ieee80211_mesh_sync_ops {
588 void (*rx_bcn_presp)(struct ieee80211_sub_if_data *sdata,
590 struct ieee80211_mgmt *mgmt,
591 struct ieee802_11_elems *elems,
592 struct ieee80211_rx_status *rx_status);
594 /* should be called with beacon_data under RCU read lock */
595 void (*adjust_tbtt)(struct ieee80211_sub_if_data *sdata,
596 struct beacon_data *beacon);
597 /* add other framework functions here */
600 struct mesh_csa_settings {
601 struct rcu_head rcu_head;
602 struct cfg80211_csa_settings settings;
605 struct ieee80211_if_mesh {
606 struct timer_list housekeeping_timer;
607 struct timer_list mesh_path_timer;
608 struct timer_list mesh_path_root_timer;
610 unsigned long wrkq_flags;
611 unsigned long mbss_changed;
613 u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
615 /* Active Path Selection Protocol Identifier */
617 /* Active Path Selection Metric Identifier */
619 /* Congestion Control Mode Identifier */
621 /* Synchronization Protocol Identifier */
623 /* Authentication Protocol Identifier */
625 /* Local mesh Sequence Number */
627 /* Last used PREQ ID */
630 /* Timestamp of last SN update */
631 unsigned long last_sn_update;
632 /* Time when it's ok to send next PERR */
633 unsigned long next_perr;
634 /* Timestamp of last PREQ sent */
635 unsigned long last_preq;
636 struct mesh_rmc *rmc;
637 spinlock_t mesh_preq_queue_lock;
638 struct mesh_preq_queue preq_queue;
640 struct mesh_stats mshstats;
641 struct mesh_config mshcfg;
642 atomic_t estab_plinks;
644 bool accepting_plinks;
646 struct beacon_data __rcu *beacon;
650 IEEE80211_MESH_SEC_NONE = 0x0,
651 IEEE80211_MESH_SEC_AUTHED = 0x1,
652 IEEE80211_MESH_SEC_SECURED = 0x2,
655 /* Extensible Synchronization Framework */
656 const struct ieee80211_mesh_sync_ops *sync_ops;
657 s64 sync_offset_clockdrift_max;
658 spinlock_t sync_offset_lock;
660 /* mesh power save */
661 enum nl80211_mesh_power_mode nonpeer_pm;
662 int ps_peers_light_sleep;
663 int ps_peers_deep_sleep;
665 /* Channel Switching Support */
666 struct mesh_csa_settings __rcu *csa;
668 IEEE80211_MESH_CSA_ROLE_NONE,
669 IEEE80211_MESH_CSA_ROLE_INIT,
670 IEEE80211_MESH_CSA_ROLE_REPEATER,
675 /* offset from skb->data while building IE */
679 #ifdef CONFIG_MAC80211_MESH
680 #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
681 do { (msh)->mshstats.name++; } while (0)
683 #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
688 * enum ieee80211_sub_if_data_flags - virtual interface flags
690 * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets
691 * @IEEE80211_SDATA_PROMISC: interface is promisc
692 * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode
693 * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between
694 * associated stations and deliver multicast frames both
695 * back to wireless media and to the local net stack.
696 * @IEEE80211_SDATA_DISCONNECT_RESUME: Disconnect after resume.
697 * @IEEE80211_SDATA_IN_DRIVER: indicates interface was added to driver
699 enum ieee80211_sub_if_data_flags {
700 IEEE80211_SDATA_ALLMULTI = BIT(0),
701 IEEE80211_SDATA_PROMISC = BIT(1),
702 IEEE80211_SDATA_OPERATING_GMODE = BIT(2),
703 IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
704 IEEE80211_SDATA_DISCONNECT_RESUME = BIT(4),
705 IEEE80211_SDATA_IN_DRIVER = BIT(5),
709 * enum ieee80211_sdata_state_bits - virtual interface state bits
710 * @SDATA_STATE_RUNNING: virtual interface is up & running; this
711 * mirrors netif_running() but is separate for interface type
712 * change handling while the interface is up
713 * @SDATA_STATE_OFFCHANNEL: This interface is currently in offchannel
714 * mode, so queues are stopped
715 * @SDATA_STATE_OFFCHANNEL_BEACON_STOPPED: Beaconing was stopped due
716 * to offchannel, reset when offchannel returns
718 enum ieee80211_sdata_state_bits {
720 SDATA_STATE_OFFCHANNEL,
721 SDATA_STATE_OFFCHANNEL_BEACON_STOPPED,
725 * enum ieee80211_chanctx_mode - channel context configuration mode
727 * @IEEE80211_CHANCTX_SHARED: channel context may be used by
728 * multiple interfaces
729 * @IEEE80211_CHANCTX_EXCLUSIVE: channel context can be used
730 * only by a single interface. This can be used for example for
731 * non-fixed channel IBSS.
733 enum ieee80211_chanctx_mode {
734 IEEE80211_CHANCTX_SHARED,
735 IEEE80211_CHANCTX_EXCLUSIVE
739 * enum ieee80211_chanctx_replace_state - channel context replacement state
741 * This is used for channel context in-place reservations that require channel
742 * context switch/swap.
744 * @IEEE80211_CHANCTX_REPLACE_NONE: no replacement is taking place
745 * @IEEE80211_CHANCTX_WILL_BE_REPLACED: this channel context will be replaced
746 * by a (not yet registered) channel context pointed by %replace_ctx.
747 * @IEEE80211_CHANCTX_REPLACES_OTHER: this (not yet registered) channel context
748 * replaces an existing channel context pointed to by %replace_ctx.
750 enum ieee80211_chanctx_replace_state {
751 IEEE80211_CHANCTX_REPLACE_NONE,
752 IEEE80211_CHANCTX_WILL_BE_REPLACED,
753 IEEE80211_CHANCTX_REPLACES_OTHER,
756 struct ieee80211_chanctx {
757 struct list_head list;
758 struct rcu_head rcu_head;
760 struct list_head assigned_vifs;
761 struct list_head reserved_vifs;
763 enum ieee80211_chanctx_replace_state replace_state;
764 struct ieee80211_chanctx *replace_ctx;
766 enum ieee80211_chanctx_mode mode;
769 struct ieee80211_chanctx_conf conf;
772 struct mac80211_qos_map {
773 struct cfg80211_qos_map qos_map;
774 struct rcu_head rcu_head;
777 struct ieee80211_sub_if_data {
778 struct list_head list;
780 struct wireless_dev wdev;
783 struct list_head key_list;
785 /* count for keys needing tailroom space allocation */
786 int crypto_tx_tailroom_needed_cnt;
787 int crypto_tx_tailroom_pending_dec;
788 struct delayed_work dec_tailroom_needed_wk;
790 struct net_device *dev;
791 struct ieee80211_local *local;
797 int drop_unencrypted;
801 /* Fragment table for host-based reassembly */
802 struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
803 unsigned int fragment_next;
805 /* TID bitmap for NoAck policy */
808 /* bit field of ACM bits (BIT(802.1D tag)) */
811 struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS];
812 struct ieee80211_key __rcu *default_unicast_key;
813 struct ieee80211_key __rcu *default_multicast_key;
814 struct ieee80211_key __rcu *default_mgmt_key;
817 __be16 control_port_protocol;
818 bool control_port_no_encrypt;
819 int encrypt_headroom;
821 struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
822 struct mac80211_qos_map __rcu *qos_map;
824 struct work_struct csa_finalize_work;
825 bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */
826 struct cfg80211_chan_def csa_chandef;
828 struct list_head assigned_chanctx_list; /* protected by chanctx_mtx */
829 struct list_head reserved_chanctx_list; /* protected by chanctx_mtx */
831 /* context reservation -- protected with chanctx_mtx */
832 struct ieee80211_chanctx *reserved_chanctx;
833 struct cfg80211_chan_def reserved_chandef;
834 bool reserved_radar_required;
837 /* used to reconfigure hardware SM PS */
838 struct work_struct recalc_smps;
840 struct work_struct work;
841 struct sk_buff_head skb_queue;
844 enum ieee80211_smps_mode smps_mode;
846 int user_power_level; /* in dBm */
847 int ap_power_level; /* in dBm */
850 struct delayed_work dfs_cac_timer_work;
853 * AP this belongs to: self in AP mode and
854 * corresponding AP in VLAN mode, NULL for
855 * all others (might be needed later in IBSS)
857 struct ieee80211_if_ap *bss;
859 /* bitmap of allowed (non-MCS) rate indexes for rate control */
860 u32 rc_rateidx_mask[IEEE80211_NUM_BANDS];
862 bool rc_has_mcs_mask[IEEE80211_NUM_BANDS];
863 u8 rc_rateidx_mcs_mask[IEEE80211_NUM_BANDS][IEEE80211_HT_MCS_MASK_LEN];
866 struct ieee80211_if_ap ap;
867 struct ieee80211_if_wds wds;
868 struct ieee80211_if_vlan vlan;
869 struct ieee80211_if_managed mgd;
870 struct ieee80211_if_ibss ibss;
871 struct ieee80211_if_mesh mesh;
875 #ifdef CONFIG_MAC80211_DEBUGFS
877 struct dentry *subdir_stations;
878 struct dentry *default_unicast_key;
879 struct dentry *default_multicast_key;
880 struct dentry *default_mgmt_key;
884 /* must be last, dynamically sized area in this! */
885 struct ieee80211_vif vif;
889 struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
891 return container_of(p, struct ieee80211_sub_if_data, vif);
894 static inline void sdata_lock(struct ieee80211_sub_if_data *sdata)
895 __acquires(&sdata->wdev.mtx)
897 mutex_lock(&sdata->wdev.mtx);
898 __acquire(&sdata->wdev.mtx);
901 static inline void sdata_unlock(struct ieee80211_sub_if_data *sdata)
902 __releases(&sdata->wdev.mtx)
904 mutex_unlock(&sdata->wdev.mtx);
905 __release(&sdata->wdev.mtx);
908 #define sdata_dereference(p, sdata) \
909 rcu_dereference_protected(p, lockdep_is_held(&sdata->wdev.mtx))
912 sdata_assert_lock(struct ieee80211_sub_if_data *sdata)
914 lockdep_assert_held(&sdata->wdev.mtx);
917 static inline enum ieee80211_band
918 ieee80211_get_sdata_band(struct ieee80211_sub_if_data *sdata)
920 enum ieee80211_band band = IEEE80211_BAND_2GHZ;
921 struct ieee80211_chanctx_conf *chanctx_conf;
924 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
925 if (!WARN_ON(!chanctx_conf))
926 band = chanctx_conf->def.chan->band;
933 ieee80211_chandef_get_shift(struct cfg80211_chan_def *chandef)
935 switch (chandef->width) {
936 case NL80211_CHAN_WIDTH_5:
938 case NL80211_CHAN_WIDTH_10:
946 ieee80211_vif_get_shift(struct ieee80211_vif *vif)
948 struct ieee80211_chanctx_conf *chanctx_conf;
952 chanctx_conf = rcu_dereference(vif->chanctx_conf);
954 shift = ieee80211_chandef_get_shift(&chanctx_conf->def);
960 struct ieee80211_rx_agg {
965 enum sdata_queue_type {
966 IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0,
967 IEEE80211_SDATA_QUEUE_AGG_START = 1,
968 IEEE80211_SDATA_QUEUE_AGG_STOP = 2,
969 IEEE80211_SDATA_QUEUE_RX_AGG_START = 3,
970 IEEE80211_SDATA_QUEUE_RX_AGG_STOP = 4,
974 IEEE80211_RX_MSG = 1,
975 IEEE80211_TX_STATUS_MSG = 2,
978 enum queue_stop_reason {
979 IEEE80211_QUEUE_STOP_REASON_DRIVER,
980 IEEE80211_QUEUE_STOP_REASON_PS,
981 IEEE80211_QUEUE_STOP_REASON_CSA,
982 IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
983 IEEE80211_QUEUE_STOP_REASON_SUSPEND,
984 IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
985 IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL,
986 IEEE80211_QUEUE_STOP_REASON_FLUSH,
987 IEEE80211_QUEUE_STOP_REASON_TDLS_TEARDOWN,
989 IEEE80211_QUEUE_STOP_REASONS,
992 #ifdef CONFIG_MAC80211_LEDS
993 struct tpt_led_trigger {
994 struct led_trigger trig;
996 const struct ieee80211_tpt_blink *blink_table;
997 unsigned int blink_table_len;
998 struct timer_list timer;
999 unsigned long prev_traffic;
1000 unsigned long tx_bytes, rx_bytes;
1001 unsigned int active, want;
1007 * struct ieee80211_tx_latency_bin_ranges - Tx latency statistics bins ranges
1009 * Measuring Tx latency statistics. Counts how many Tx frames transmitted in a
1010 * certain latency range (in Milliseconds). Each station that uses these
1011 * ranges will have bins to count the amount of frames received in that range.
1012 * The user can configure the ranges via debugfs.
1013 * If ranges is NULL then Tx latency statistics bins are disabled for all
1016 * @n_ranges: number of ranges that are taken in account
1017 * @ranges: the ranges that the user requested or NULL if disabled.
1019 struct ieee80211_tx_latency_bin_ranges {
1025 * mac80211 scan flags - currently active scan mode
1027 * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as
1028 * well be on the operating channel
1029 * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
1030 * determine if we are on the operating channel or not
1031 * @SCAN_ONCHANNEL_SCANNING: Do a software scan on only the current operating
1032 * channel. This should not interrupt normal traffic.
1033 * @SCAN_COMPLETED: Set for our scan work function when the driver reported
1034 * that the scan completed.
1035 * @SCAN_ABORTED: Set for our scan work function when the driver reported
1036 * a scan complete for an aborted scan.
1037 * @SCAN_HW_CANCELLED: Set for our scan work function when the scan is being
1043 SCAN_ONCHANNEL_SCANNING,
1050 * enum mac80211_scan_state - scan state machine states
1052 * @SCAN_DECISION: Main entry point to the scan state machine, this state
1053 * determines if we should keep on scanning or switch back to the
1055 * @SCAN_SET_CHANNEL: Set the next channel to be scanned
1056 * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses
1057 * @SCAN_SUSPEND: Suspend the scan and go back to operating channel to
1059 * @SCAN_RESUME: Resume the scan and scan the next channel
1060 * @SCAN_ABORT: Abort the scan and go back to operating channel
1062 enum mac80211_scan_state {
1071 struct ieee80211_local {
1072 /* embed the driver visible part.
1073 * don't cast (use the static inlines below), but we keep
1074 * it first anyway so they become a no-op */
1075 struct ieee80211_hw hw;
1077 const struct ieee80211_ops *ops;
1080 * private workqueue to mac80211. mac80211 makes this accessible
1081 * via ieee80211_queue_work()
1083 struct workqueue_struct *workqueue;
1085 unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
1086 int q_stop_reasons[IEEE80211_MAX_QUEUES][IEEE80211_QUEUE_STOP_REASONS];
1087 /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
1088 spinlock_t queue_stop_reason_lock;
1091 int monitors, cooked_mntrs;
1092 /* number of interfaces with corresponding FIF_ flags */
1093 int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
1096 unsigned int filter_flags; /* FIF_* */
1098 bool wiphy_ciphers_allocated;
1102 /* protects the aggregated multicast list and filter calls */
1103 spinlock_t filter_lock;
1105 /* used for uploading changed mc list */
1106 struct work_struct reconfig_filter;
1108 /* aggregated multicast list */
1109 struct netdev_hw_addr_list mc_list;
1111 bool tim_in_locked_section; /* see ieee80211_beacon_get() */
1114 * suspended is true if we finished all the suspend _and_ we have
1115 * not yet come up from resume. This is to be used by mac80211
1116 * to ensure driver sanity during suspend and mac80211's own
1117 * sanity. It can eventually be used for WoW as well.
1122 * Resuming is true while suspended, but when we're reprogramming the
1123 * hardware -- at that time it's allowed to use ieee80211_queue_work()
1124 * again even though some other parts of the stack are still suspended
1125 * and we still drop received frames to avoid waking the stack.
1130 * quiescing is true during the suspend process _only_ to
1131 * ease timer cancelling etc.
1135 /* device is started */
1138 /* device is during a HW reconfig */
1141 /* wowlan is enabled -- don't reconfig on resume */
1144 /* DFS/radar detection is enabled */
1145 bool radar_detect_enabled;
1146 struct work_struct radar_detected_work;
1148 /* number of RX chains the hardware has */
1151 int tx_headroom; /* required headroom for hardware/radiotap */
1153 /* Tasklet and skb queue to process calls from IRQ mode. All frames
1154 * added to skb_queue will be processed, but frames in
1155 * skb_queue_unreliable may be dropped if the total length of these
1156 * queues increases over the limit. */
1157 #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
1158 struct tasklet_struct tasklet;
1159 struct sk_buff_head skb_queue;
1160 struct sk_buff_head skb_queue_unreliable;
1162 spinlock_t rx_path_lock;
1166 * The mutex only protects the list, hash table and
1167 * counter, reads are done with RCU.
1169 struct mutex sta_mtx;
1170 spinlock_t tim_lock;
1171 unsigned long num_sta;
1172 struct list_head sta_list;
1173 struct sta_info __rcu *sta_hash[STA_HASH_SIZE];
1174 struct timer_list sta_cleanup;
1178 * Tx latency statistics parameters for all stations.
1179 * Can enable via debugfs (NULL when disabled).
1181 struct ieee80211_tx_latency_bin_ranges __rcu *tx_latency;
1183 struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
1184 struct tasklet_struct tx_pending_tasklet;
1186 atomic_t agg_queue_stop[IEEE80211_MAX_QUEUES];
1188 /* number of interfaces with corresponding IFF_ flags */
1189 atomic_t iff_allmultis, iff_promiscs;
1191 struct rate_control_ref *rate_ctrl;
1193 struct crypto_cipher *wep_tx_tfm;
1194 struct crypto_cipher *wep_rx_tfm;
1198 struct list_head interfaces;
1199 struct mutex iflist_mtx;
1202 * Key mutex, protects sdata's key_list and sta_info's
1203 * key pointers (write access, they're RCU.)
1205 struct mutex key_mtx;
1207 /* mutex for scan and work locking */
1210 /* Scanning and BSS list */
1211 unsigned long scanning;
1212 struct cfg80211_ssid scan_ssid;
1213 struct cfg80211_scan_request *int_scan_req;
1214 struct cfg80211_scan_request *scan_req;
1215 struct ieee80211_scan_request *hw_scan_req;
1216 struct cfg80211_chan_def scan_chandef;
1217 enum ieee80211_band hw_scan_band;
1218 int scan_channel_idx;
1220 int hw_scan_ies_bufsize;
1222 struct work_struct sched_scan_stopped_work;
1223 struct ieee80211_sub_if_data __rcu *sched_scan_sdata;
1224 struct cfg80211_sched_scan_request *sched_scan_req;
1226 unsigned long leave_oper_channel_time;
1227 enum mac80211_scan_state next_scan_state;
1228 struct delayed_work scan_work;
1229 struct ieee80211_sub_if_data __rcu *scan_sdata;
1230 /* For backward compatibility only -- do not use */
1231 struct cfg80211_chan_def _oper_chandef;
1233 /* Temporary remain-on-channel for off-channel operations */
1234 struct ieee80211_channel *tmp_channel;
1236 /* channel contexts */
1237 struct list_head chanctx_list;
1238 struct mutex chanctx_mtx;
1241 /* dot11CountersTable */
1242 u32 dot11TransmittedFragmentCount;
1243 u32 dot11MulticastTransmittedFrameCount;
1244 u32 dot11FailedCount;
1245 u32 dot11RetryCount;
1246 u32 dot11MultipleRetryCount;
1247 u32 dot11FrameDuplicateCount;
1248 u32 dot11ReceivedFragmentCount;
1249 u32 dot11MulticastReceivedFrameCount;
1250 u32 dot11TransmittedFrameCount;
1252 #ifdef CONFIG_MAC80211_LEDS
1253 struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;
1254 struct tpt_led_trigger *tpt_led_trigger;
1255 char tx_led_name[32], rx_led_name[32],
1256 assoc_led_name[32], radio_led_name[32];
1259 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
1260 /* TX/RX handler statistics */
1261 unsigned int tx_handlers_drop;
1262 unsigned int tx_handlers_queued;
1263 unsigned int tx_handlers_drop_unencrypted;
1264 unsigned int tx_handlers_drop_fragment;
1265 unsigned int tx_handlers_drop_wep;
1266 unsigned int tx_handlers_drop_not_assoc;
1267 unsigned int tx_handlers_drop_unauth_port;
1268 unsigned int rx_handlers_drop;
1269 unsigned int rx_handlers_queued;
1270 unsigned int rx_handlers_drop_nullfunc;
1271 unsigned int rx_handlers_drop_defrag;
1272 unsigned int rx_handlers_drop_short;
1273 unsigned int tx_expand_skb_head;
1274 unsigned int tx_expand_skb_head_cloned;
1275 unsigned int rx_expand_skb_head;
1276 unsigned int rx_expand_skb_head2;
1277 unsigned int rx_handlers_fragments;
1278 unsigned int tx_status_drop;
1279 #define I802_DEBUG_INC(c) (c)++
1280 #else /* CONFIG_MAC80211_DEBUG_COUNTERS */
1281 #define I802_DEBUG_INC(c) do { } while (0)
1282 #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
1285 int total_ps_buffered; /* total number of all buffered unicast and
1286 * multicast packets for power saving stations
1290 bool offchannel_ps_enabled;
1292 * PS can only be enabled when we have exactly one managed
1293 * interface (and monitors) in PS, this then points there.
1295 struct ieee80211_sub_if_data *ps_sdata;
1296 struct work_struct dynamic_ps_enable_work;
1297 struct work_struct dynamic_ps_disable_work;
1298 struct timer_list dynamic_ps_timer;
1299 struct notifier_block network_latency_notifier;
1300 struct notifier_block ifa_notifier;
1301 struct notifier_block ifa6_notifier;
1304 * The dynamic ps timeout configured from user space via WEXT -
1305 * this will override whatever chosen by mac80211 internally.
1307 int dynamic_ps_forced_timeout;
1309 int user_power_level; /* in dBm, for all interfaces */
1311 enum ieee80211_smps_mode smps_mode;
1313 struct work_struct restart_work;
1315 #ifdef CONFIG_MAC80211_DEBUGFS
1316 struct local_debugfsdentries {
1317 struct dentry *rcdir;
1318 struct dentry *keys;
1323 * Remain-on-channel support
1325 struct list_head roc_list;
1326 struct work_struct hw_roc_start, hw_roc_done;
1327 unsigned long hw_roc_start_time;
1328 u64 roc_cookie_counter;
1330 struct idr ack_status_frames;
1331 spinlock_t ack_status_lock;
1333 struct ieee80211_sub_if_data __rcu *p2p_sdata;
1335 struct napi_struct *napi;
1337 /* virtual monitor interface */
1338 struct ieee80211_sub_if_data __rcu *monitor_sdata;
1339 struct cfg80211_chan_def monitor_chandef;
1341 /* extended capabilities provided by mac80211 */
1345 static inline struct ieee80211_sub_if_data *
1346 IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
1348 return netdev_priv(dev);
1351 static inline struct ieee80211_sub_if_data *
1352 IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev)
1354 return container_of(wdev, struct ieee80211_sub_if_data, wdev);
1357 /* this struct represents 802.11n's RA/TID combination */
1358 struct ieee80211_ra_tid {
1363 /* this struct holds the value parsing from channel switch IE */
1364 struct ieee80211_csa_ie {
1365 struct cfg80211_chan_def chandef;
1372 /* Parsed Information Elements */
1373 struct ieee802_11_elems {
1377 /* pointers to IEs */
1379 const u8 *supp_rates;
1380 const u8 *ds_params;
1381 const struct ieee80211_tim_ie *tim;
1382 const u8 *challenge;
1385 const u8 *ext_supp_rates;
1387 const u8 *wmm_param;
1388 const struct ieee80211_ht_cap *ht_cap_elem;
1389 const struct ieee80211_ht_operation *ht_operation;
1390 const struct ieee80211_vht_cap *vht_cap_elem;
1391 const struct ieee80211_vht_operation *vht_operation;
1392 const struct ieee80211_meshconf_ie *mesh_config;
1395 const __le16 *awake_window;
1399 const struct ieee80211_rann_ie *rann;
1400 const struct ieee80211_channel_sw_ie *ch_switch_ie;
1401 const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
1402 const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
1403 const u8 *country_elem;
1404 const u8 *pwr_constr_elem;
1405 const u8 *cisco_dtpc_elem;
1406 const struct ieee80211_timeout_interval_ie *timeout_int;
1407 const u8 *opmode_notif;
1408 const struct ieee80211_sec_chan_offs_ie *sec_chan_offs;
1409 const struct ieee80211_mesh_chansw_params_ie *mesh_chansw_params_ie;
1411 /* length of them, respectively */
1417 u8 ext_supp_rates_len;
1425 u8 country_elem_len;
1427 /* whether a parse error occurred while retrieving these elements */
1431 static inline struct ieee80211_local *hw_to_local(
1432 struct ieee80211_hw *hw)
1434 return container_of(hw, struct ieee80211_local, hw);
1438 static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
1440 return ether_addr_equal(raddr, addr) ||
1441 is_broadcast_ether_addr(raddr);
1445 ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status)
1447 WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START &&
1448 status->flag & RX_FLAG_MACTIME_END);
1449 return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END);
1452 u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
1453 struct ieee80211_rx_status *status,
1454 unsigned int mpdu_len,
1455 unsigned int mpdu_offset);
1456 int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
1457 void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
1458 void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
1460 void ieee80211_configure_filter(struct ieee80211_local *local);
1461 u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
1464 void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
1465 int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
1466 struct cfg80211_auth_request *req);
1467 int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
1468 struct cfg80211_assoc_request *req);
1469 int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
1470 struct cfg80211_deauth_request *req);
1471 int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
1472 struct cfg80211_disassoc_request *req);
1473 void ieee80211_send_pspoll(struct ieee80211_local *local,
1474 struct ieee80211_sub_if_data *sdata);
1475 void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency);
1476 void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata);
1477 int ieee80211_max_network_latency(struct notifier_block *nb,
1478 unsigned long data, void *dummy);
1479 int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
1480 void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata);
1481 void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1482 struct sk_buff *skb);
1483 void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata);
1484 void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata);
1485 void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata);
1486 void ieee80211_mgd_conn_tx_status(struct ieee80211_sub_if_data *sdata,
1487 __le16 fc, bool acked);
1488 void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata);
1489 void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
1490 void ieee80211_sta_handle_tspec_ac_params(struct ieee80211_sub_if_data *sdata);
1493 void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
1494 void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
1495 void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata,
1496 const u8 *bssid, const u8 *addr, u32 supp_rates);
1497 int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
1498 struct cfg80211_ibss_params *params);
1499 int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);
1500 void ieee80211_ibss_work(struct ieee80211_sub_if_data *sdata);
1501 void ieee80211_ibss_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1502 struct sk_buff *skb);
1503 int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata,
1504 struct cfg80211_csa_settings *csa_settings);
1505 int ieee80211_ibss_finish_csa(struct ieee80211_sub_if_data *sdata);
1506 void ieee80211_ibss_stop(struct ieee80211_sub_if_data *sdata);
1509 void ieee80211_mesh_work(struct ieee80211_sub_if_data *sdata);
1510 void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
1511 struct sk_buff *skb);
1512 int ieee80211_mesh_csa_beacon(struct ieee80211_sub_if_data *sdata,
1513 struct cfg80211_csa_settings *csa_settings);
1514 int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata);
1516 /* scan/BSS handling */
1517 void ieee80211_scan_work(struct work_struct *work);
1518 int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
1519 const u8 *ssid, u8 ssid_len,
1520 struct ieee80211_channel *chan,
1521 enum nl80211_bss_scan_width scan_width);
1522 int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
1523 struct cfg80211_scan_request *req);
1524 void ieee80211_scan_cancel(struct ieee80211_local *local);
1525 void ieee80211_run_deferred_scan(struct ieee80211_local *local);
1526 void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb);
1528 void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
1529 struct ieee80211_bss *
1530 ieee80211_bss_info_update(struct ieee80211_local *local,
1531 struct ieee80211_rx_status *rx_status,
1532 struct ieee80211_mgmt *mgmt,
1534 struct ieee802_11_elems *elems,
1535 struct ieee80211_channel *channel);
1536 void ieee80211_rx_bss_put(struct ieee80211_local *local,
1537 struct ieee80211_bss *bss);
1539 /* scheduled scan handling */
1541 __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
1542 struct cfg80211_sched_scan_request *req);
1543 int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
1544 struct cfg80211_sched_scan_request *req);
1545 int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata);
1546 void ieee80211_sched_scan_end(struct ieee80211_local *local);
1547 void ieee80211_sched_scan_stopped_work(struct work_struct *work);
1549 /* off-channel helpers */
1550 void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
1551 void ieee80211_offchannel_return(struct ieee80211_local *local);
1552 void ieee80211_roc_setup(struct ieee80211_local *local);
1553 void ieee80211_start_next_roc(struct ieee80211_local *local);
1554 void ieee80211_roc_purge(struct ieee80211_local *local,
1555 struct ieee80211_sub_if_data *sdata);
1556 void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free);
1557 void ieee80211_sw_roc_work(struct work_struct *work);
1558 void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc);
1560 /* channel switch handling */
1561 void ieee80211_csa_finalize_work(struct work_struct *work);
1562 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
1563 struct cfg80211_csa_settings *params);
1565 /* interface handling */
1566 int ieee80211_iface_init(void);
1567 void ieee80211_iface_exit(void);
1568 int ieee80211_if_add(struct ieee80211_local *local, const char *name,
1569 struct wireless_dev **new_wdev, enum nl80211_iftype type,
1570 struct vif_params *params);
1571 int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
1572 enum nl80211_iftype type);
1573 void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
1574 void ieee80211_remove_interfaces(struct ieee80211_local *local);
1575 u32 ieee80211_idle_off(struct ieee80211_local *local);
1576 void ieee80211_recalc_idle(struct ieee80211_local *local);
1577 void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
1579 int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up);
1580 void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata);
1581 int ieee80211_add_virtual_monitor(struct ieee80211_local *local);
1582 void ieee80211_del_virtual_monitor(struct ieee80211_local *local);
1584 bool __ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
1585 void ieee80211_recalc_txpower(struct ieee80211_sub_if_data *sdata);
1587 static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
1589 return test_bit(SDATA_STATE_RUNNING, &sdata->state);
1593 void ieee80211_clear_tx_pending(struct ieee80211_local *local);
1594 void ieee80211_tx_pending(unsigned long data);
1595 netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
1596 struct net_device *dev);
1597 netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
1598 struct net_device *dev);
1599 void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
1600 struct sk_buff_head *skbs);
1603 void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
1604 struct ieee80211_sta_ht_cap *ht_cap);
1605 bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
1606 struct ieee80211_supported_band *sband,
1607 const struct ieee80211_ht_cap *ht_cap_ie,
1608 struct sta_info *sta);
1609 void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
1610 const u8 *da, u16 tid,
1611 u16 initiator, u16 reason_code);
1612 int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
1613 enum ieee80211_smps_mode smps, const u8 *da,
1615 void ieee80211_request_smps_ap_work(struct work_struct *work);
1616 void ieee80211_request_smps_mgd_work(struct work_struct *work);
1617 bool ieee80211_smps_is_restrictive(enum ieee80211_smps_mode smps_mode_old,
1618 enum ieee80211_smps_mode smps_mode_new);
1620 void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
1621 u16 initiator, u16 reason, bool stop);
1622 void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
1623 u16 initiator, u16 reason, bool stop);
1624 void __ieee80211_start_rx_ba_session(struct sta_info *sta,
1625 u8 dialog_token, u16 timeout,
1626 u16 start_seq_num, u16 ba_policy, u16 tid,
1627 u16 buf_size, bool tx, bool auto_seq);
1628 void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
1629 enum ieee80211_agg_stop_reason reason);
1630 void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
1631 struct sta_info *sta,
1632 struct ieee80211_mgmt *mgmt, size_t len);
1633 void ieee80211_process_addba_resp(struct ieee80211_local *local,
1634 struct sta_info *sta,
1635 struct ieee80211_mgmt *mgmt,
1637 void ieee80211_process_addba_request(struct ieee80211_local *local,
1638 struct sta_info *sta,
1639 struct ieee80211_mgmt *mgmt,
1642 int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
1643 enum ieee80211_agg_stop_reason reason);
1644 int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
1645 enum ieee80211_agg_stop_reason reason);
1646 void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
1647 void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
1648 void ieee80211_ba_session_work(struct work_struct *work);
1649 void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
1650 void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
1652 u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs);
1656 ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
1657 struct ieee80211_supported_band *sband,
1658 const struct ieee80211_vht_cap *vht_cap_ie,
1659 struct sta_info *sta);
1660 enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta);
1661 void ieee80211_sta_set_rx_nss(struct sta_info *sta);
1662 u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
1663 struct sta_info *sta, u8 opmode,
1664 enum ieee80211_band band, bool nss_only);
1665 void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
1666 struct sta_info *sta, u8 opmode,
1667 enum ieee80211_band band, bool nss_only);
1668 void ieee80211_apply_vhtcap_overrides(struct ieee80211_sub_if_data *sdata,
1669 struct ieee80211_sta_vht_cap *vht_cap);
1671 /* Spectrum management */
1672 void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
1673 struct ieee80211_mgmt *mgmt,
1676 * ieee80211_parse_ch_switch_ie - parses channel switch IEs
1677 * @sdata: the sdata of the interface which has received the frame
1678 * @elems: parsed 802.11 elements received with the frame
1679 * @beacon: indicates if the frame was a beacon or probe response
1680 * @current_band: indicates the current band
1681 * @sta_flags: contains information about own capabilities and restrictions
1682 * to decide which channel switch announcements can be accepted. Only the
1683 * following subset of &enum ieee80211_sta_flags are evaluated:
1684 * %IEEE80211_STA_DISABLE_HT, %IEEE80211_STA_DISABLE_VHT,
1685 * %IEEE80211_STA_DISABLE_40MHZ, %IEEE80211_STA_DISABLE_80P80MHZ,
1686 * %IEEE80211_STA_DISABLE_160MHZ.
1687 * @bssid: the currently connected bssid (for reporting)
1688 * @csa_ie: parsed 802.11 csa elements on count, mode, chandef and mesh ttl.
1689 All of them will be filled with if success only.
1690 * Return: 0 on success, <0 on error and >0 if there is nothing to parse.
1692 int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
1693 struct ieee802_11_elems *elems, bool beacon,
1694 enum ieee80211_band current_band,
1695 u32 sta_flags, u8 *bssid,
1696 struct ieee80211_csa_ie *csa_ie);
1698 /* Suspend/resume and hw reconfiguration */
1699 int ieee80211_reconfig(struct ieee80211_local *local);
1700 void ieee80211_stop_device(struct ieee80211_local *local);
1702 int __ieee80211_suspend(struct ieee80211_hw *hw,
1703 struct cfg80211_wowlan *wowlan);
1705 static inline int __ieee80211_resume(struct ieee80211_hw *hw)
1707 struct ieee80211_local *local = hw_to_local(hw);
1709 WARN(test_bit(SCAN_HW_SCANNING, &local->scanning),
1710 "%s: resume with hardware scan still in progress\n",
1711 wiphy_name(hw->wiphy));
1713 return ieee80211_reconfig(hw_to_local(hw));
1716 /* utility functions/constants */
1717 extern const void *const mac80211_wiphy_privid; /* for wiphy privid */
1718 u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
1719 enum nl80211_iftype type);
1720 int ieee80211_frame_duration(enum ieee80211_band band, size_t len,
1721 int rate, int erp, int short_preamble,
1723 void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
1724 struct ieee80211_hdr *hdr, const u8 *tsc,
1726 void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
1728 void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
1729 enum ieee80211_band band);
1731 void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
1732 struct sk_buff *skb, int tid,
1733 enum ieee80211_band band);
1736 ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
1737 struct sk_buff *skb, int tid,
1738 enum ieee80211_band band)
1741 __ieee80211_tx_skb_tid_band(sdata, skb, tid, band);
1745 static inline void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata,
1746 struct sk_buff *skb, int tid)
1748 struct ieee80211_chanctx_conf *chanctx_conf;
1751 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
1752 if (WARN_ON(!chanctx_conf)) {
1758 __ieee80211_tx_skb_tid_band(sdata, skb, tid,
1759 chanctx_conf->def.chan->band);
1763 static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata,
1764 struct sk_buff *skb)
1766 /* Send all internal mgmt frames on VO. Accordingly set TID to 7. */
1767 ieee80211_tx_skb_tid(sdata, skb, 7);
1770 u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
1771 struct ieee802_11_elems *elems,
1772 u64 filter, u32 crc);
1773 static inline void ieee802_11_parse_elems(const u8 *start, size_t len,
1775 struct ieee802_11_elems *elems)
1777 ieee802_11_parse_elems_crc(start, len, action, elems, 0, 0);
1780 static inline bool ieee80211_rx_reorder_ready(struct sk_buff_head *frames)
1782 struct sk_buff *tail = skb_peek_tail(frames);
1783 struct ieee80211_rx_status *status;
1788 status = IEEE80211_SKB_RXCB(tail);
1789 if (status->flag & RX_FLAG_AMSDU_MORE)
1795 extern const int ieee802_1d_to_ac[8];
1797 static inline int ieee80211_ac_from_tid(int tid)
1799 return ieee802_1d_to_ac[tid & 7];
1802 void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
1803 void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
1804 void ieee80211_dynamic_ps_timer(unsigned long data);
1805 void ieee80211_send_nullfunc(struct ieee80211_local *local,
1806 struct ieee80211_sub_if_data *sdata,
1808 void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
1809 struct ieee80211_hdr *hdr);
1810 void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
1811 struct ieee80211_hdr *hdr, bool ack, u16 tx_time);
1813 void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
1814 unsigned long queues,
1815 enum queue_stop_reason reason,
1817 void ieee80211_stop_vif_queues(struct ieee80211_local *local,
1818 struct ieee80211_sub_if_data *sdata,
1819 enum queue_stop_reason reason);
1820 void ieee80211_wake_vif_queues(struct ieee80211_local *local,
1821 struct ieee80211_sub_if_data *sdata,
1822 enum queue_stop_reason reason);
1823 void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
1824 unsigned long queues,
1825 enum queue_stop_reason reason,
1827 void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
1828 enum queue_stop_reason reason,
1830 void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
1831 enum queue_stop_reason reason,
1833 void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue);
1834 void ieee80211_add_pending_skb(struct ieee80211_local *local,
1835 struct sk_buff *skb);
1836 void ieee80211_add_pending_skbs(struct ieee80211_local *local,
1837 struct sk_buff_head *skbs);
1838 void ieee80211_flush_queues(struct ieee80211_local *local,
1839 struct ieee80211_sub_if_data *sdata);
1841 void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
1842 u16 transaction, u16 auth_alg, u16 status,
1843 const u8 *extra, size_t extra_len, const u8 *bssid,
1844 const u8 *da, const u8 *key, u8 key_len, u8 key_idx,
1846 void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
1847 const u8 *bssid, u16 stype, u16 reason,
1848 bool send_frame, u8 *frame_buf);
1849 int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
1851 struct ieee80211_scan_ies *ie_desc,
1852 const u8 *ie, size_t ie_len,
1853 u8 bands_used, u32 *rate_masks,
1854 struct cfg80211_chan_def *chandef);
1855 struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
1856 u8 *dst, u32 ratemask,
1857 struct ieee80211_channel *chan,
1858 const u8 *ssid, size_t ssid_len,
1859 const u8 *ie, size_t ie_len,
1861 void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
1862 const u8 *ssid, size_t ssid_len,
1863 const u8 *ie, size_t ie_len,
1864 u32 ratemask, bool directed, u32 tx_flags,
1865 struct ieee80211_channel *channel, bool scan);
1867 u32 ieee80211_sta_get_rates(struct ieee80211_sub_if_data *sdata,
1868 struct ieee802_11_elems *elems,
1869 enum ieee80211_band band, u32 *basic_rates);
1870 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
1871 enum ieee80211_smps_mode smps_mode);
1872 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
1873 enum ieee80211_smps_mode smps_mode);
1874 void ieee80211_recalc_smps(struct ieee80211_sub_if_data *sdata);
1875 void ieee80211_recalc_min_chandef(struct ieee80211_sub_if_data *sdata);
1877 size_t ieee80211_ie_split_vendor(const u8 *ies, size_t ielen, size_t offset);
1878 u8 *ieee80211_ie_build_ht_cap(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
1880 u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
1881 const struct cfg80211_chan_def *chandef,
1883 u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
1885 int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
1886 const struct ieee80211_supported_band *sband,
1887 const u8 *srates, int srates_len, u32 *rates);
1888 int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
1889 struct sk_buff *skb, bool need_basic,
1890 enum ieee80211_band band);
1891 int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
1892 struct sk_buff *skb, bool need_basic,
1893 enum ieee80211_band band);
1894 u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo);
1896 /* channel management */
1897 void ieee80211_ht_oper_to_chandef(struct ieee80211_channel *control_chan,
1898 const struct ieee80211_ht_operation *ht_oper,
1899 struct cfg80211_chan_def *chandef);
1900 u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c);
1903 ieee80211_vif_use_channel(struct ieee80211_sub_if_data *sdata,
1904 const struct cfg80211_chan_def *chandef,
1905 enum ieee80211_chanctx_mode mode);
1907 ieee80211_vif_reserve_chanctx(struct ieee80211_sub_if_data *sdata,
1908 const struct cfg80211_chan_def *chandef,
1909 enum ieee80211_chanctx_mode mode,
1910 bool radar_required);
1912 ieee80211_vif_use_reserved_context(struct ieee80211_sub_if_data *sdata);
1913 int ieee80211_vif_unreserve_chanctx(struct ieee80211_sub_if_data *sdata);
1916 ieee80211_vif_change_bandwidth(struct ieee80211_sub_if_data *sdata,
1917 const struct cfg80211_chan_def *chandef,
1919 void ieee80211_vif_release_channel(struct ieee80211_sub_if_data *sdata);
1920 void ieee80211_vif_vlan_copy_chanctx(struct ieee80211_sub_if_data *sdata);
1921 void ieee80211_vif_copy_chanctx_to_vlans(struct ieee80211_sub_if_data *sdata,
1923 int ieee80211_chanctx_refcount(struct ieee80211_local *local,
1924 struct ieee80211_chanctx *ctx);
1926 void ieee80211_recalc_smps_chanctx(struct ieee80211_local *local,
1927 struct ieee80211_chanctx *chanctx);
1928 void ieee80211_recalc_chanctx_min_def(struct ieee80211_local *local,
1929 struct ieee80211_chanctx *ctx);
1931 void ieee80211_dfs_cac_timer(unsigned long data);
1932 void ieee80211_dfs_cac_timer_work(struct work_struct *work);
1933 void ieee80211_dfs_cac_cancel(struct ieee80211_local *local);
1934 void ieee80211_dfs_radar_detected_work(struct work_struct *work);
1935 int ieee80211_send_action_csa(struct ieee80211_sub_if_data *sdata,
1936 struct cfg80211_csa_settings *csa_settings);
1938 bool ieee80211_cs_valid(const struct ieee80211_cipher_scheme *cs);
1939 bool ieee80211_cs_list_valid(const struct ieee80211_cipher_scheme *cs, int n);
1940 const struct ieee80211_cipher_scheme *
1941 ieee80211_cs_get(struct ieee80211_local *local, u32 cipher,
1942 enum nl80211_iftype iftype);
1943 int ieee80211_cs_headroom(struct ieee80211_local *local,
1944 struct cfg80211_crypto_settings *crypto,
1945 enum nl80211_iftype iftype);
1946 void ieee80211_recalc_dtim(struct ieee80211_local *local,
1947 struct ieee80211_sub_if_data *sdata);
1948 int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
1949 const struct cfg80211_chan_def *chandef,
1950 enum ieee80211_chanctx_mode chanmode,
1952 int ieee80211_max_num_channels(struct ieee80211_local *local);
1955 int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
1956 const u8 *peer, u8 action_code, u8 dialog_token,
1957 u16 status_code, u32 peer_capability,
1958 bool initiator, const u8 *extra_ies,
1959 size_t extra_ies_len);
1960 int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
1961 const u8 *peer, enum nl80211_tdls_operation oper);
1962 void ieee80211_tdls_peer_del_work(struct work_struct *wk);
1964 extern const struct ethtool_ops ieee80211_ethtool_ops;
1966 #ifdef CONFIG_MAC80211_NOINLINE
1967 #define debug_noinline noinline
1969 #define debug_noinline
1972 #endif /* IEEE80211_I_H */