2 * Copyright 2002-2005, Instant802 Networks, Inc.
3 * Copyright 2005, Devicescape Software, Inc.
4 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
5 * Copyright 2007-2008 Johannes Berg <johannes@sipsolutions.net>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
15 #include <linux/kernel.h>
16 #include <linux/device.h>
17 #include <linux/if_ether.h>
18 #include <linux/interrupt.h>
19 #include <linux/list.h>
20 #include <linux/netdevice.h>
21 #include <linux/skbuff.h>
22 #include <linux/workqueue.h>
23 #include <linux/types.h>
24 #include <linux/spinlock.h>
25 #include <linux/etherdevice.h>
26 #include <net/cfg80211.h>
27 #include <net/mac80211.h>
31 struct ieee80211_local;
33 /* Maximum number of broadcast/multicast frames to buffer when some of the
34 * associated stations are using power saving. */
35 #define AP_MAX_BC_BUFFER 128
37 /* Maximum number of frames buffered to all STAs, including multicast frames.
38 * Note: increasing this limit increases the potential memory requirement. Each
39 * frame can be up to about 2 kB long. */
40 #define TOTAL_MAX_TX_BUFFER 512
42 /* Required encryption head and tailroom */
43 #define IEEE80211_ENCRYPT_HEADROOM 8
44 #define IEEE80211_ENCRYPT_TAILROOM 18
46 /* IEEE 802.11 (Ch. 9.5 Defragmentation) requires support for concurrent
47 * reception of at least three fragmented frames. This limit can be increased
48 * by changing this define, at the cost of slower frame reassembly and
49 * increased memory use (about 2 kB of RAM per entry). */
50 #define IEEE80211_FRAGMENT_MAX 4
53 * Time after which we ignore scan results and no longer report/use
56 #define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ)
58 #define TU_TO_EXP_TIME(x) (jiffies + usecs_to_jiffies((x) * 1024))
60 struct ieee80211_fragment_entry {
61 unsigned long first_frag_time;
63 unsigned int rx_queue;
64 unsigned int last_frag;
65 unsigned int extra_len;
66 struct sk_buff_head skb_list;
67 int ccmp; /* Whether fragments were encrypted with CCMP */
68 u8 last_pn[6]; /* PN of the last fragment if CCMP was used */
72 struct ieee80211_bss {
73 /* Yes, this is a hack */
74 struct cfg80211_bss cbss;
76 /* don't want to look up all the time */
78 u8 ssid[IEEE80211_MAX_SSID_LEN];
84 unsigned long last_probe_resp;
86 #ifdef CONFIG_MAC80211_MESH
92 #define IEEE80211_MAX_SUPP_RATES 32
93 u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
94 size_t supp_rates_len;
97 * During assocation, we save an ERP value from a probe response so
98 * that we can feed ERP info to the driver when handling the
99 * association completes. these fields probably won't be up-to-date
100 * otherwise, you probably don't want to use them.
106 static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss)
108 #ifdef CONFIG_MAC80211_MESH
109 return bss->mesh_cfg;
114 static inline u8 *bss_mesh_id(struct ieee80211_bss *bss)
116 #ifdef CONFIG_MAC80211_MESH
122 static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss)
124 #ifdef CONFIG_MAC80211_MESH
125 return bss->mesh_id_len;
131 typedef unsigned __bitwise__ ieee80211_tx_result;
132 #define TX_CONTINUE ((__force ieee80211_tx_result) 0u)
133 #define TX_DROP ((__force ieee80211_tx_result) 1u)
134 #define TX_QUEUED ((__force ieee80211_tx_result) 2u)
136 #define IEEE80211_TX_FRAGMENTED BIT(0)
137 #define IEEE80211_TX_UNICAST BIT(1)
138 #define IEEE80211_TX_PS_BUFFERED BIT(2)
140 struct ieee80211_tx_data {
142 struct net_device *dev;
143 struct ieee80211_local *local;
144 struct ieee80211_sub_if_data *sdata;
145 struct sta_info *sta;
146 struct ieee80211_key *key;
148 struct ieee80211_channel *channel;
155 typedef unsigned __bitwise__ ieee80211_rx_result;
156 #define RX_CONTINUE ((__force ieee80211_rx_result) 0u)
157 #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u)
158 #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u)
159 #define RX_QUEUED ((__force ieee80211_rx_result) 3u)
161 #define IEEE80211_RX_IN_SCAN BIT(0)
162 /* frame is destined to interface currently processed (incl. multicast frames) */
163 #define IEEE80211_RX_RA_MATCH BIT(1)
164 #define IEEE80211_RX_AMSDU BIT(2)
165 #define IEEE80211_RX_CMNTR_REPORTED BIT(3)
166 #define IEEE80211_RX_FRAGMENTED BIT(4)
168 struct ieee80211_rx_data {
170 struct net_device *dev;
171 struct ieee80211_local *local;
172 struct ieee80211_sub_if_data *sdata;
173 struct sta_info *sta;
174 struct ieee80211_key *key;
175 struct ieee80211_rx_status *status;
176 struct ieee80211_rate *rate;
186 int head_len, tail_len;
190 struct ieee80211_if_ap {
191 struct beacon_data *beacon;
193 struct list_head vlans;
195 /* yes, this looks ugly, but guarantees that we can later use
197 * NB: don't touch this bitmap, use sta_info_{set,clear}_tim_bit */
198 u8 tim[sizeof(unsigned long) * BITS_TO_LONGS(IEEE80211_MAX_AID + 1)];
199 struct sk_buff_head ps_bc_buf;
200 atomic_t num_sta_ps; /* number of stations in PS mode */
204 struct ieee80211_if_wds {
205 struct sta_info *sta;
206 u8 remote_addr[ETH_ALEN];
209 struct ieee80211_if_vlan {
210 struct list_head list;
212 /* used for all tx if the VLAN is configured to 4-addr mode */
213 struct sta_info *sta;
217 __u32 fwded_mcast; /* Mesh forwarded multicast frames */
218 __u32 fwded_unicast; /* Mesh forwarded unicast frames */
219 __u32 fwded_frames; /* Mesh total forwarded frames */
220 __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/
221 __u32 dropped_frames_no_route; /* Not transmitted, no route found */
222 atomic_t estab_plinks;
225 #define PREQ_Q_F_START 0x1
226 #define PREQ_Q_F_REFRESH 0x2
227 struct mesh_preq_queue {
228 struct list_head list;
233 enum ieee80211_mgd_state {
234 IEEE80211_MGD_STATE_IDLE,
235 IEEE80211_MGD_STATE_PROBE,
236 IEEE80211_MGD_STATE_AUTH,
237 IEEE80211_MGD_STATE_ASSOC,
240 struct ieee80211_mgd_work {
241 struct list_head list;
242 struct ieee80211_bss *bss;
244 u8 prev_bssid[ETH_ALEN];
245 u8 ssid[IEEE80211_MAX_SSID_LEN];
247 unsigned long timeout;
248 enum ieee80211_mgd_state state;
249 u16 auth_alg, auth_transaction;
253 u8 key[WLAN_KEY_LEN_WEP104];
257 u8 ie[0]; /* for auth or assoc frame, not probe */
260 /* flags used in struct ieee80211_if_managed.flags */
261 enum ieee80211_sta_flags {
262 IEEE80211_STA_BEACON_POLL = BIT(0),
263 IEEE80211_STA_CONNECTION_POLL = BIT(1),
264 IEEE80211_STA_CONTROL_PORT = BIT(2),
265 IEEE80211_STA_WMM_ENABLED = BIT(3),
266 IEEE80211_STA_DISABLE_11N = BIT(4),
267 IEEE80211_STA_CSA_RECEIVED = BIT(5),
268 IEEE80211_STA_MFP_ENABLED = BIT(6),
271 /* flags for MLME request */
272 enum ieee80211_sta_request {
273 IEEE80211_STA_REQ_SCAN,
276 struct ieee80211_if_managed {
277 struct timer_list timer;
278 struct timer_list conn_mon_timer;
279 struct timer_list bcn_mon_timer;
280 struct timer_list chswitch_timer;
281 struct work_struct work;
282 struct work_struct monitor_work;
283 struct work_struct chswitch_work;
284 struct work_struct beacon_loss_work;
286 unsigned long probe_timeout;
287 int probe_send_count;
290 struct ieee80211_bss *associated;
291 struct ieee80211_mgd_work *old_associate_work;
292 struct list_head work_list;
299 struct sk_buff_head skb_queue;
301 unsigned long timers_running; /* used for quiesce/restart */
302 bool powersave; /* powersave requested for this iface */
304 unsigned long request;
311 IEEE80211_MFP_DISABLED,
312 IEEE80211_MFP_OPTIONAL,
313 IEEE80211_MFP_REQUIRED
314 } mfp; /* management frame protection */
316 int wmm_last_param_set;
319 enum ieee80211_ibss_request {
320 IEEE80211_IBSS_REQ_RUN = 0,
323 struct ieee80211_if_ibss {
324 struct timer_list timer;
325 struct work_struct work;
327 struct sk_buff_head skb_queue;
329 unsigned long request;
330 unsigned long last_scan_completed;
339 u8 ssid[IEEE80211_MAX_SSID_LEN];
342 struct ieee80211_channel *channel;
344 unsigned long ibss_join_req;
345 /* probe response/beacon for IBSS */
346 struct sk_buff *presp, *skb;
349 IEEE80211_IBSS_MLME_SEARCH,
350 IEEE80211_IBSS_MLME_JOINED,
354 struct ieee80211_if_mesh {
355 struct work_struct work;
356 struct timer_list housekeeping_timer;
357 struct timer_list mesh_path_timer;
358 struct timer_list mesh_path_root_timer;
359 struct sk_buff_head skb_queue;
361 unsigned long timers_running;
363 unsigned long wrkq_flags;
365 u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
367 /* Active Path Selection Protocol Identifier */
369 /* Active Path Selection Metric Identifier */
371 /* Congestion Control Mode Identifier */
373 /* Synchronization Protocol Identifier */
375 /* Authentication Protocol Identifier */
377 /* Local mesh Sequence Number */
379 /* Last used PREQ ID */
382 /* Timestamp of last SN update */
383 unsigned long last_sn_update;
384 /* Timestamp of last SN sent */
385 unsigned long last_preq;
386 struct mesh_rmc *rmc;
387 spinlock_t mesh_preq_queue_lock;
388 struct mesh_preq_queue preq_queue;
390 struct mesh_stats mshstats;
391 struct mesh_config mshcfg;
393 bool accepting_plinks;
396 #ifdef CONFIG_MAC80211_MESH
397 #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
398 do { (msh)->mshstats.name++; } while (0)
400 #define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
405 * enum ieee80211_sub_if_data_flags - virtual interface flags
407 * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets
408 * @IEEE80211_SDATA_PROMISC: interface is promisc
409 * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode
410 * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between
411 * associated stations and deliver multicast frames both
412 * back to wireless media and to the local net stack.
414 enum ieee80211_sub_if_data_flags {
415 IEEE80211_SDATA_ALLMULTI = BIT(0),
416 IEEE80211_SDATA_PROMISC = BIT(1),
417 IEEE80211_SDATA_OPERATING_GMODE = BIT(2),
418 IEEE80211_SDATA_DONT_BRIDGE_PACKETS = BIT(3),
421 struct ieee80211_sub_if_data {
422 struct list_head list;
424 struct wireless_dev wdev;
427 struct list_head key_list;
429 struct net_device *dev;
430 struct ieee80211_local *local;
434 int drop_unencrypted;
437 * keep track of whether the HT opmode (stored in
438 * vif.bss_info.ht_operation_mode) is valid.
440 bool ht_opmode_valid;
442 /* Fragment table for host-based reassembly */
443 struct ieee80211_fragment_entry fragments[IEEE80211_FRAGMENT_MAX];
444 unsigned int fragment_next;
446 #define NUM_DEFAULT_KEYS 4
447 #define NUM_DEFAULT_MGMT_KEYS 2
448 struct ieee80211_key *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS];
449 struct ieee80211_key *default_key;
450 struct ieee80211_key *default_mgmt_key;
455 * AP this belongs to: self in AP mode and
456 * corresponding AP in VLAN mode, NULL for
457 * all others (might be needed later in IBSS)
459 struct ieee80211_if_ap *bss;
461 int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
462 int max_ratectrl_rateidx; /* max TX rateidx for rate control */
464 bool use_4addr; /* use 4-address frames */
467 struct ieee80211_if_ap ap;
468 struct ieee80211_if_wds wds;
469 struct ieee80211_if_vlan vlan;
470 struct ieee80211_if_managed mgd;
471 struct ieee80211_if_ibss ibss;
472 #ifdef CONFIG_MAC80211_MESH
473 struct ieee80211_if_mesh mesh;
478 #ifdef CONFIG_MAC80211_DEBUGFS
481 struct dentry *default_key;
482 struct dentry *default_mgmt_key;
485 /* must be last, dynamically sized area in this! */
486 struct ieee80211_vif vif;
490 struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
492 return container_of(p, struct ieee80211_sub_if_data, vif);
496 ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata,
497 u8 mesh_id_len, u8 *mesh_id)
499 #ifdef CONFIG_MAC80211_MESH
500 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
501 ifmsh->mesh_id_len = mesh_id_len;
502 memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len);
509 IEEE80211_RX_MSG = 1,
510 IEEE80211_TX_STATUS_MSG = 2,
511 IEEE80211_DELBA_MSG = 3,
512 IEEE80211_ADDBA_MSG = 4,
515 enum queue_stop_reason {
516 IEEE80211_QUEUE_STOP_REASON_DRIVER,
517 IEEE80211_QUEUE_STOP_REASON_PS,
518 IEEE80211_QUEUE_STOP_REASON_CSA,
519 IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
520 IEEE80211_QUEUE_STOP_REASON_SUSPEND,
521 IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
525 * mac80211 scan flags - currently active scan mode
527 * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as
528 * well be on the operating channel
529 * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
530 * determine if we are on the operating channel or not
531 * @SCAN_OFF_CHANNEL: We're off our operating channel for scanning,
532 * gets only set in conjunction with SCAN_SW_SCANNING
541 * enum mac80211_scan_state - scan state machine states
543 * @SCAN_DECISION: Main entry point to the scan state machine, this state
544 * determines if we should keep on scanning or switch back to the
546 * @SCAN_SET_CHANNEL: Set the next channel to be scanned
547 * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses
548 * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP
549 * about us leaving the channel and stop all associated STA interfaces
550 * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the
551 * AP about us being back and restart all associated STA interfaces
553 enum mac80211_scan_state {
557 SCAN_LEAVE_OPER_CHANNEL,
558 SCAN_ENTER_OPER_CHANNEL,
561 struct ieee80211_local {
562 /* embed the driver visible part.
563 * don't cast (use the static inlines below), but we keep
564 * it first anyway so they become a no-op */
565 struct ieee80211_hw hw;
567 const struct ieee80211_ops *ops;
570 * private workqueue to mac80211. mac80211 makes this accessible
571 * via ieee80211_queue_work()
573 struct workqueue_struct *workqueue;
575 unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES];
576 /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */
577 spinlock_t queue_stop_reason_lock;
580 int monitors, cooked_mntrs;
581 /* number of interfaces with corresponding FIF_ flags */
582 int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll;
583 unsigned int filter_flags; /* FIF_* */
584 struct iw_statistics wstats;
586 /* protects the aggregated multicast list and filter calls */
587 spinlock_t filter_lock;
589 /* used for uploading changed mc list */
590 struct work_struct reconfig_filter;
592 /* aggregated multicast list */
593 struct dev_addr_list *mc_list;
596 bool tim_in_locked_section; /* see ieee80211_beacon_get() */
599 * suspended is true if we finished all the suspend _and_ we have
600 * not yet come up from resume. This is to be used by mac80211
601 * to ensure driver sanity during suspend and mac80211's own
602 * sanity. It can eventually be used for WoW as well.
607 * quiescing is true during the suspend process _only_ to
608 * ease timer cancelling etc.
612 /* device is started */
615 int tx_headroom; /* required headroom for hardware/radiotap */
617 /* Tasklet and skb queue to process calls from IRQ mode. All frames
618 * added to skb_queue will be processed, but frames in
619 * skb_queue_unreliable may be dropped if the total length of these
620 * queues increases over the limit. */
621 #define IEEE80211_IRQSAFE_QUEUE_LIMIT 128
622 struct tasklet_struct tasklet;
623 struct sk_buff_head skb_queue;
624 struct sk_buff_head skb_queue_unreliable;
628 * The lock only protects the list, hash, timer and counter
629 * against manipulation, reads are done in RCU. Additionally,
630 * the lock protects each BSS's TIM bitmap.
633 unsigned long num_sta;
634 struct list_head sta_list;
635 struct sta_info *sta_hash[STA_HASH_SIZE];
636 struct timer_list sta_cleanup;
639 struct sk_buff_head pending[IEEE80211_MAX_QUEUES];
640 struct tasklet_struct tx_pending_tasklet;
643 * This lock is used to prevent concurrent A-MPDU
644 * session start/stop processing, this thus also
645 * synchronises the ->ampdu_action() callback to
646 * drivers and limits it to one at a time.
648 spinlock_t ampdu_lock;
650 /* number of interfaces with corresponding IFF_ flags */
651 atomic_t iff_allmultis, iff_promiscs;
653 struct rate_control_ref *rate_ctrl;
655 struct crypto_blkcipher *wep_tx_tfm;
656 struct crypto_blkcipher *wep_rx_tfm;
660 struct list_head interfaces;
661 struct mutex iflist_mtx;
664 * Key lock, protects sdata's key_list and sta_info's
665 * key pointers (write access, they're RCU.)
670 /* Scanning and BSS list */
671 struct mutex scan_mtx;
672 unsigned long scanning;
673 struct cfg80211_ssid scan_ssid;
674 struct cfg80211_scan_request *int_scan_req;
675 struct cfg80211_scan_request *scan_req, *hw_scan_req;
676 struct ieee80211_channel *scan_channel;
677 enum ieee80211_band hw_scan_band;
678 int scan_channel_idx;
681 enum mac80211_scan_state next_scan_state;
682 struct delayed_work scan_work;
683 struct ieee80211_sub_if_data *scan_sdata;
684 enum nl80211_channel_type oper_channel_type;
685 struct ieee80211_channel *oper_channel, *csa_channel;
688 /* dot11CountersTable */
689 u32 dot11TransmittedFragmentCount;
690 u32 dot11MulticastTransmittedFrameCount;
691 u32 dot11FailedCount;
693 u32 dot11MultipleRetryCount;
694 u32 dot11FrameDuplicateCount;
695 u32 dot11ReceivedFragmentCount;
696 u32 dot11MulticastReceivedFrameCount;
697 u32 dot11TransmittedFrameCount;
699 #ifdef CONFIG_MAC80211_LEDS
700 int tx_led_counter, rx_led_counter;
701 struct led_trigger *tx_led, *rx_led, *assoc_led, *radio_led;
702 char tx_led_name[32], rx_led_name[32],
703 assoc_led_name[32], radio_led_name[32];
706 #ifdef CONFIG_MAC80211_DEBUGFS
707 struct work_struct sta_debugfs_add;
710 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
711 /* TX/RX handler statistics */
712 unsigned int tx_handlers_drop;
713 unsigned int tx_handlers_queued;
714 unsigned int tx_handlers_drop_unencrypted;
715 unsigned int tx_handlers_drop_fragment;
716 unsigned int tx_handlers_drop_wep;
717 unsigned int tx_handlers_drop_not_assoc;
718 unsigned int tx_handlers_drop_unauth_port;
719 unsigned int rx_handlers_drop;
720 unsigned int rx_handlers_queued;
721 unsigned int rx_handlers_drop_nullfunc;
722 unsigned int rx_handlers_drop_defrag;
723 unsigned int rx_handlers_drop_short;
724 unsigned int rx_handlers_drop_passive_scan;
725 unsigned int tx_expand_skb_head;
726 unsigned int tx_expand_skb_head_cloned;
727 unsigned int rx_expand_skb_head;
728 unsigned int rx_expand_skb_head2;
729 unsigned int rx_handlers_fragments;
730 unsigned int tx_status_drop;
731 #define I802_DEBUG_INC(c) (c)++
732 #else /* CONFIG_MAC80211_DEBUG_COUNTERS */
733 #define I802_DEBUG_INC(c) do { } while (0)
734 #endif /* CONFIG_MAC80211_DEBUG_COUNTERS */
737 int total_ps_buffered; /* total number of all buffered unicast and
738 * multicast packets for power saving stations
740 int wifi_wme_noack_test;
741 unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */
745 * PS can only be enabled when we have exactly one managed
746 * interface (and monitors) in PS, this then points there.
748 struct ieee80211_sub_if_data *ps_sdata;
749 struct work_struct dynamic_ps_enable_work;
750 struct work_struct dynamic_ps_disable_work;
751 struct timer_list dynamic_ps_timer;
752 struct notifier_block network_latency_notifier;
754 int user_power_level; /* in dBm */
755 int power_constr_level; /* in dBm */
757 struct work_struct restart_work;
759 #ifdef CONFIG_MAC80211_DEBUGFS
760 struct local_debugfsdentries {
761 struct dentry *rcdir;
762 struct dentry *stations;
768 static inline struct ieee80211_sub_if_data *
769 IEEE80211_DEV_TO_SUB_IF(struct net_device *dev)
771 return netdev_priv(dev);
774 /* this struct represents 802.11n's RA/TID combination along with our vif */
775 struct ieee80211_ra_tid {
776 struct ieee80211_vif *vif;
781 /* Parsed Information Elements */
782 struct ieee802_11_elems {
786 /* pointers to IEs */
792 struct ieee80211_tim_ie *tim;
801 struct ieee80211_ht_cap *ht_cap_elem;
802 struct ieee80211_ht_info *ht_info_elem;
809 struct ieee80211_rann_ie *rann;
813 u8 *quiet_elem; /* first quite element */
816 /* length of them, respectively */
828 u8 ext_supp_rates_len;
837 u8 ch_switch_elem_len;
839 u8 pwr_constr_elem_len;
841 u8 num_of_quiet_elem; /* can be more the one */
845 static inline struct ieee80211_local *hw_to_local(
846 struct ieee80211_hw *hw)
848 return container_of(hw, struct ieee80211_local, hw);
851 static inline struct ieee80211_hw *local_to_hw(
852 struct ieee80211_local *local)
858 static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
860 return compare_ether_addr(raddr, addr) == 0 ||
861 is_broadcast_ether_addr(raddr);
865 int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
866 void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
867 void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
869 void ieee80211_configure_filter(struct ieee80211_local *local);
870 u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
873 void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
874 int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
875 struct cfg80211_auth_request *req);
876 int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
877 struct cfg80211_assoc_request *req);
878 int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
879 struct cfg80211_deauth_request *req,
881 int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
882 struct cfg80211_disassoc_request *req,
884 ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata,
885 struct sk_buff *skb);
886 void ieee80211_send_pspoll(struct ieee80211_local *local,
887 struct ieee80211_sub_if_data *sdata);
888 void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency);
889 int ieee80211_max_network_latency(struct notifier_block *nb,
890 unsigned long data, void *dummy);
891 void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
892 struct ieee80211_channel_sw_ie *sw_elem,
893 struct ieee80211_bss *bss);
894 void ieee80211_sta_quiesce(struct ieee80211_sub_if_data *sdata);
895 void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata);
898 void ieee80211_ibss_notify_scan_completed(struct ieee80211_local *local);
899 void ieee80211_ibss_setup_sdata(struct ieee80211_sub_if_data *sdata);
901 ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
902 struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
903 u8 *bssid, u8 *addr, u32 supp_rates);
904 int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
905 struct cfg80211_ibss_params *params);
906 int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata);
907 void ieee80211_ibss_quiesce(struct ieee80211_sub_if_data *sdata);
908 void ieee80211_ibss_restart(struct ieee80211_sub_if_data *sdata);
910 /* scan/BSS handling */
911 void ieee80211_scan_work(struct work_struct *work);
912 int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
913 const u8 *ssid, u8 ssid_len);
914 int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
915 struct cfg80211_scan_request *req);
916 void ieee80211_scan_cancel(struct ieee80211_local *local);
918 ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb);
920 void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
921 struct ieee80211_bss *
922 ieee80211_bss_info_update(struct ieee80211_local *local,
923 struct ieee80211_rx_status *rx_status,
924 struct ieee80211_mgmt *mgmt,
926 struct ieee802_11_elems *elems,
927 struct ieee80211_channel *channel,
929 struct ieee80211_bss *
930 ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq,
931 u8 *ssid, u8 ssid_len);
932 void ieee80211_rx_bss_put(struct ieee80211_local *local,
933 struct ieee80211_bss *bss);
935 /* interface handling */
936 int ieee80211_if_add(struct ieee80211_local *local, const char *name,
937 struct net_device **new_dev, enum nl80211_iftype type,
938 struct vif_params *params);
939 int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
940 enum nl80211_iftype type);
941 void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
942 void ieee80211_remove_interfaces(struct ieee80211_local *local);
943 u32 __ieee80211_recalc_idle(struct ieee80211_local *local);
944 void ieee80211_recalc_idle(struct ieee80211_local *local);
947 void ieee80211_clear_tx_pending(struct ieee80211_local *local);
948 void ieee80211_tx_pending(unsigned long data);
949 netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb,
950 struct net_device *dev);
951 netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
952 struct net_device *dev);
955 void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
956 struct ieee80211_ht_cap *ht_cap_ie,
957 struct ieee80211_sta_ht_cap *ht_cap);
958 void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn);
959 void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
960 const u8 *da, u16 tid,
961 u16 initiator, u16 reason_code);
963 void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da,
964 u16 tid, u16 initiator, u16 reason);
965 void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
966 u16 initiator, u16 reason);
967 void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta);
968 void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
969 struct sta_info *sta,
970 struct ieee80211_mgmt *mgmt, size_t len);
971 void ieee80211_process_addba_resp(struct ieee80211_local *local,
972 struct sta_info *sta,
973 struct ieee80211_mgmt *mgmt,
975 void ieee80211_process_addba_request(struct ieee80211_local *local,
976 struct sta_info *sta,
977 struct ieee80211_mgmt *mgmt,
980 int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
981 enum ieee80211_back_parties initiator);
983 /* Spectrum management */
984 void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
985 struct ieee80211_mgmt *mgmt,
988 /* Suspend/resume and hw reconfiguration */
989 int ieee80211_reconfig(struct ieee80211_local *local);
990 void ieee80211_stop_device(struct ieee80211_local *local);
993 int __ieee80211_suspend(struct ieee80211_hw *hw);
995 static inline int __ieee80211_resume(struct ieee80211_hw *hw)
997 return ieee80211_reconfig(hw_to_local(hw));
1000 static inline int __ieee80211_suspend(struct ieee80211_hw *hw)
1005 static inline int __ieee80211_resume(struct ieee80211_hw *hw)
1011 /* utility functions/constants */
1012 extern void *mac80211_wiphy_privid; /* for wiphy privid */
1013 u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
1014 enum nl80211_iftype type);
1015 int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
1016 int rate, int erp, int short_preamble);
1017 void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
1018 struct ieee80211_hdr *hdr, const u8 *tsc,
1020 void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata);
1021 void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
1023 void ieee802_11_parse_elems(u8 *start, size_t len,
1024 struct ieee802_11_elems *elems);
1025 u32 ieee802_11_parse_elems_crc(u8 *start, size_t len,
1026 struct ieee802_11_elems *elems,
1027 u64 filter, u32 crc);
1028 u32 ieee80211_mandatory_rates(struct ieee80211_local *local,
1029 enum ieee80211_band band);
1031 void ieee80211_dynamic_ps_enable_work(struct work_struct *work);
1032 void ieee80211_dynamic_ps_disable_work(struct work_struct *work);
1033 void ieee80211_dynamic_ps_timer(unsigned long data);
1034 void ieee80211_send_nullfunc(struct ieee80211_local *local,
1035 struct ieee80211_sub_if_data *sdata,
1037 void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
1038 struct ieee80211_hdr *hdr);
1039 void ieee80211_beacon_loss_work(struct work_struct *work);
1041 void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
1042 enum queue_stop_reason reason);
1043 void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
1044 enum queue_stop_reason reason);
1045 void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
1046 enum queue_stop_reason reason);
1047 void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
1048 enum queue_stop_reason reason);
1049 void ieee80211_add_pending_skb(struct ieee80211_local *local,
1050 struct sk_buff *skb);
1051 int ieee80211_add_pending_skbs(struct ieee80211_local *local,
1052 struct sk_buff_head *skbs);
1054 void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
1055 u16 transaction, u16 auth_alg,
1056 u8 *extra, size_t extra_len, const u8 *bssid,
1057 const u8 *key, u8 key_len, u8 key_idx);
1058 int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
1059 const u8 *ie, size_t ie_len,
1060 enum ieee80211_band band);
1061 void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
1062 const u8 *ssid, size_t ssid_len,
1063 const u8 *ie, size_t ie_len);
1065 void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
1066 const size_t supp_rates_len,
1067 const u8 *supp_rates);
1068 u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
1069 struct ieee802_11_elems *elems,
1070 enum ieee80211_band band);
1072 #ifdef CONFIG_MAC80211_NOINLINE
1073 #define debug_noinline noinline
1075 #define debug_noinline
1078 #endif /* IEEE80211_I_H */