1 #ifndef __NET_CFG80211_H
2 #define __NET_CFG80211_H
4 * 802.11 device and configuration interface
6 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
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.
13 #include <linux/netdevice.h>
14 #include <linux/debugfs.h>
15 #include <linux/list.h>
16 #include <linux/netlink.h>
17 #include <linux/skbuff.h>
18 #include <linux/nl80211.h>
19 #include <linux/if_ether.h>
20 #include <linux/ieee80211.h>
21 #include <net/regulatory.h>
23 /* remove once we remove the wext stuff */
24 #include <net/iw_handler.h>
25 #include <linux/wireless.h>
26 #include <linux/compat-2.6.h>
30 * wireless hardware capability structures
34 * enum ieee80211_band - supported frequency bands
36 * The bands are assigned this way because the supported
37 * bitrates differ in these bands.
39 * @IEEE80211_BAND_2GHZ: 2.4GHz ISM band
40 * @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7)
43 IEEE80211_BAND_2GHZ = NL80211_BAND_2GHZ,
44 IEEE80211_BAND_5GHZ = NL80211_BAND_5GHZ,
51 * enum ieee80211_channel_flags - channel flags
53 * Channel flags set by the regulatory control code.
55 * @IEEE80211_CHAN_DISABLED: This channel is disabled.
56 * @IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
58 * @IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
59 * @IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
60 * @IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
62 * @IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
65 enum ieee80211_channel_flags {
66 IEEE80211_CHAN_DISABLED = 1<<0,
67 IEEE80211_CHAN_PASSIVE_SCAN = 1<<1,
68 IEEE80211_CHAN_NO_IBSS = 1<<2,
69 IEEE80211_CHAN_RADAR = 1<<3,
70 IEEE80211_CHAN_NO_HT40PLUS = 1<<4,
71 IEEE80211_CHAN_NO_HT40MINUS = 1<<5,
74 #define IEEE80211_CHAN_NO_HT40 \
75 (IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
78 * struct ieee80211_channel - channel definition
80 * This structure describes a single channel for use
83 * @center_freq: center frequency in MHz
84 * @hw_value: hardware-specific value for the channel
85 * @flags: channel flags from &enum ieee80211_channel_flags.
86 * @orig_flags: channel flags at registration time, used by regulatory
87 * code to support devices with additional restrictions
88 * @band: band this channel belongs to.
89 * @max_antenna_gain: maximum antenna gain in dBi
90 * @max_power: maximum transmission power (in dBm)
91 * @beacon_found: helper to regulatory code to indicate when a beacon
92 * has been found on this channel. Use regulatory_hint_found_beacon()
93 * to enable this, this is is useful only on 5 GHz band.
94 * @orig_mag: internal use
95 * @orig_mpwr: internal use
97 struct ieee80211_channel {
98 enum ieee80211_band band;
102 int max_antenna_gain;
106 int orig_mag, orig_mpwr;
110 * enum ieee80211_rate_flags - rate flags
112 * Hardware/specification flags for rates. These are structured
113 * in a way that allows using the same bitrate structure for
114 * different bands/PHY modes.
116 * @IEEE80211_RATE_SHORT_PREAMBLE: Hardware can send with short
117 * preamble on this bitrate; only relevant in 2.4GHz band and
119 * @IEEE80211_RATE_MANDATORY_A: This bitrate is a mandatory rate
120 * when used with 802.11a (on the 5 GHz band); filled by the
121 * core code when registering the wiphy.
122 * @IEEE80211_RATE_MANDATORY_B: This bitrate is a mandatory rate
123 * when used with 802.11b (on the 2.4 GHz band); filled by the
124 * core code when registering the wiphy.
125 * @IEEE80211_RATE_MANDATORY_G: This bitrate is a mandatory rate
126 * when used with 802.11g (on the 2.4 GHz band); filled by the
127 * core code when registering the wiphy.
128 * @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode.
130 enum ieee80211_rate_flags {
131 IEEE80211_RATE_SHORT_PREAMBLE = 1<<0,
132 IEEE80211_RATE_MANDATORY_A = 1<<1,
133 IEEE80211_RATE_MANDATORY_B = 1<<2,
134 IEEE80211_RATE_MANDATORY_G = 1<<3,
135 IEEE80211_RATE_ERP_G = 1<<4,
139 * struct ieee80211_rate - bitrate definition
141 * This structure describes a bitrate that an 802.11 PHY can
142 * operate with. The two values @hw_value and @hw_value_short
143 * are only for driver use when pointers to this structure are
146 * @flags: rate-specific flags
147 * @bitrate: bitrate in units of 100 Kbps
148 * @hw_value: driver/hardware value for this rate
149 * @hw_value_short: driver/hardware value for this rate when
150 * short preamble is used
152 struct ieee80211_rate {
155 u16 hw_value, hw_value_short;
159 * struct ieee80211_sta_ht_cap - STA's HT capabilities
161 * This structure describes most essential parameters needed
162 * to describe 802.11n HT capabilities for an STA.
164 * @ht_supported: is HT supported by the STA
165 * @cap: HT capabilities map as described in 802.11n spec
166 * @ampdu_factor: Maximum A-MPDU length factor
167 * @ampdu_density: Minimum A-MPDU spacing
168 * @mcs: Supported MCS rates
170 struct ieee80211_sta_ht_cap {
171 u16 cap; /* use IEEE80211_HT_CAP_ */
175 struct ieee80211_mcs_info mcs;
179 * struct ieee80211_supported_band - frequency band definition
181 * This structure describes a frequency band a wiphy
182 * is able to operate in.
184 * @channels: Array of channels the hardware can operate in
186 * @band: the band this structure represents
187 * @n_channels: Number of channels in @channels
188 * @bitrates: Array of bitrates the hardware can operate with
189 * in this band. Must be sorted to give a valid "supported
190 * rates" IE, i.e. CCK rates first, then OFDM.
191 * @n_bitrates: Number of bitrates in @bitrates
193 struct ieee80211_supported_band {
194 struct ieee80211_channel *channels;
195 struct ieee80211_rate *bitrates;
196 enum ieee80211_band band;
199 struct ieee80211_sta_ht_cap ht_cap;
203 * Wireless hardware/device configuration structures and methods
207 * struct vif_params - describes virtual interface parameters
208 * @mesh_id: mesh ID to use
209 * @mesh_id_len: length of the mesh ID
210 * @use_4addr: use 4-address frames
219 * struct key_params - key information
221 * Information about a key
224 * @key_len: length of key material
225 * @cipher: cipher suite selector
226 * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used
227 * with the get_key() callback, must be in little endian,
228 * length given by @seq_len.
239 * enum survey_info_flags - survey information flags
241 * Used by the driver to indicate which info in &struct survey_info
242 * it has filled in during the get_survey().
244 enum survey_info_flags {
245 SURVEY_INFO_NOISE_DBM = 1<<0,
249 * struct survey_info - channel survey response
251 * Used by dump_survey() to report back per-channel survey information.
253 * @channel: the channel this survey record reports, mandatory
254 * @filled: bitflag of flags from &enum survey_info_flags
255 * @noise: channel noise in dBm. This and all following fields are
258 * This structure can later be expanded with things like
259 * channel duty cycle etc.
262 struct ieee80211_channel *channel;
268 * struct beacon_parameters - beacon parameters
270 * Used to configure the beacon for an interface.
272 * @head: head portion of beacon (before TIM IE)
273 * or %NULL if not changed
274 * @tail: tail portion of beacon (after TIM IE)
275 * or %NULL if not changed
276 * @interval: beacon interval or zero if not changed
277 * @dtim_period: DTIM period or zero if not changed
278 * @head_len: length of @head
279 * @tail_len: length of @tail
281 struct beacon_parameters {
283 int interval, dtim_period;
284 int head_len, tail_len;
288 * enum plink_action - actions to perform in mesh peers
290 * @PLINK_ACTION_INVALID: action 0 is reserved
291 * @PLINK_ACTION_OPEN: start mesh peer link establishment
292 * @PLINK_ACTION_BLOCL: block traffic from this mesh peer
295 PLINK_ACTION_INVALID,
301 * struct station_parameters - station parameters
303 * Used to change and create a new station.
305 * @vlan: vlan interface station should belong to
306 * @supported_rates: supported rates in IEEE 802.11 format
307 * (or NULL for no change)
308 * @supported_rates_len: number of supported rates
309 * @sta_flags_mask: station flags that changed
310 * (bitmask of BIT(NL80211_STA_FLAG_...))
311 * @sta_flags_set: station flags values
312 * (bitmask of BIT(NL80211_STA_FLAG_...))
313 * @listen_interval: listen interval or -1 for no change
314 * @aid: AID or zero for no change
316 struct station_parameters {
318 struct net_device *vlan;
319 u32 sta_flags_mask, sta_flags_set;
322 u8 supported_rates_len;
324 struct ieee80211_ht_cap *ht_capa;
328 * enum station_info_flags - station information flags
330 * Used by the driver to indicate which info in &struct station_info
331 * it has filled in during get_station() or dump_station().
333 * @STATION_INFO_INACTIVE_TIME: @inactive_time filled
334 * @STATION_INFO_RX_BYTES: @rx_bytes filled
335 * @STATION_INFO_TX_BYTES: @tx_bytes filled
336 * @STATION_INFO_LLID: @llid filled
337 * @STATION_INFO_PLID: @plid filled
338 * @STATION_INFO_PLINK_STATE: @plink_state filled
339 * @STATION_INFO_SIGNAL: @signal filled
340 * @STATION_INFO_TX_BITRATE: @tx_bitrate fields are filled
341 * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
342 * @STATION_INFO_RX_PACKETS: @rx_packets filled
343 * @STATION_INFO_TX_PACKETS: @tx_packets filled
345 enum station_info_flags {
346 STATION_INFO_INACTIVE_TIME = 1<<0,
347 STATION_INFO_RX_BYTES = 1<<1,
348 STATION_INFO_TX_BYTES = 1<<2,
349 STATION_INFO_LLID = 1<<3,
350 STATION_INFO_PLID = 1<<4,
351 STATION_INFO_PLINK_STATE = 1<<5,
352 STATION_INFO_SIGNAL = 1<<6,
353 STATION_INFO_TX_BITRATE = 1<<7,
354 STATION_INFO_RX_PACKETS = 1<<8,
355 STATION_INFO_TX_PACKETS = 1<<9,
359 * enum station_info_rate_flags - bitrate info flags
361 * Used by the driver to indicate the specific rate transmission
362 * type for 802.11n transmissions.
364 * @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled
365 * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission
366 * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
368 enum rate_info_flags {
369 RATE_INFO_FLAGS_MCS = 1<<0,
370 RATE_INFO_FLAGS_40_MHZ_WIDTH = 1<<1,
371 RATE_INFO_FLAGS_SHORT_GI = 1<<2,
375 * struct rate_info - bitrate information
377 * Information about a receiving or transmitting bitrate
379 * @flags: bitflag of flags from &enum rate_info_flags
380 * @mcs: mcs index if struct describes a 802.11n bitrate
381 * @legacy: bitrate in 100kbit/s for 802.11abg
390 * struct station_info - station information
392 * Station information filled by driver for get_station() and dump_station.
394 * @filled: bitflag of flags from &enum station_info_flags
395 * @inactive_time: time since last station activity (tx/rx) in milliseconds
396 * @rx_bytes: bytes received from this station
397 * @tx_bytes: bytes transmitted to this station
398 * @llid: mesh local link id
399 * @plid: mesh peer link id
400 * @plink_state: mesh peer link state
401 * @signal: signal strength of last received packet in dBm
402 * @txrate: current unicast bitrate to this station
403 * @rx_packets: packets received from this station
404 * @tx_packets: packets transmitted to this station
405 * @generation: generation number for nl80211 dumps.
406 * This number should increase every time the list of stations
407 * changes, i.e. when a station is added or removed, so that
408 * userspace can tell whether it got a consistent snapshot.
410 struct station_info {
419 struct rate_info txrate;
427 * enum monitor_flags - monitor flags
429 * Monitor interface configuration flags. Note that these must be the bits
430 * according to the nl80211 flags.
432 * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS
433 * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP
434 * @MONITOR_FLAG_CONTROL: pass control frames
435 * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering
436 * @MONITOR_FLAG_COOK_FRAMES: report frames after processing
439 MONITOR_FLAG_FCSFAIL = 1<<NL80211_MNTR_FLAG_FCSFAIL,
440 MONITOR_FLAG_PLCPFAIL = 1<<NL80211_MNTR_FLAG_PLCPFAIL,
441 MONITOR_FLAG_CONTROL = 1<<NL80211_MNTR_FLAG_CONTROL,
442 MONITOR_FLAG_OTHER_BSS = 1<<NL80211_MNTR_FLAG_OTHER_BSS,
443 MONITOR_FLAG_COOK_FRAMES = 1<<NL80211_MNTR_FLAG_COOK_FRAMES,
447 * enum mpath_info_flags - mesh path information flags
449 * Used by the driver to indicate which info in &struct mpath_info it has filled
450 * in during get_station() or dump_station().
452 * MPATH_INFO_FRAME_QLEN: @frame_qlen filled
453 * MPATH_INFO_SN: @sn filled
454 * MPATH_INFO_METRIC: @metric filled
455 * MPATH_INFO_EXPTIME: @exptime filled
456 * MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled
457 * MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled
458 * MPATH_INFO_FLAGS: @flags filled
460 enum mpath_info_flags {
461 MPATH_INFO_FRAME_QLEN = BIT(0),
462 MPATH_INFO_SN = BIT(1),
463 MPATH_INFO_METRIC = BIT(2),
464 MPATH_INFO_EXPTIME = BIT(3),
465 MPATH_INFO_DISCOVERY_TIMEOUT = BIT(4),
466 MPATH_INFO_DISCOVERY_RETRIES = BIT(5),
467 MPATH_INFO_FLAGS = BIT(6),
471 * struct mpath_info - mesh path information
473 * Mesh path information filled by driver for get_mpath() and dump_mpath().
475 * @filled: bitfield of flags from &enum mpath_info_flags
476 * @frame_qlen: number of queued frames for this destination
477 * @sn: target sequence number
478 * @metric: metric (cost) of this mesh path
479 * @exptime: expiration time for the mesh path from now, in msecs
480 * @flags: mesh path flags
481 * @discovery_timeout: total mesh path discovery timeout, in msecs
482 * @discovery_retries: mesh path discovery retries
483 * @generation: generation number for nl80211 dumps.
484 * This number should increase every time the list of mesh paths
485 * changes, i.e. when a station is added or removed, so that
486 * userspace can tell whether it got a consistent snapshot.
494 u32 discovery_timeout;
495 u8 discovery_retries;
502 * struct bss_parameters - BSS parameters
504 * Used to change BSS parameters (mainly for AP mode).
506 * @use_cts_prot: Whether to use CTS protection
507 * (0 = no, 1 = yes, -1 = do not change)
508 * @use_short_preamble: Whether the use of short preambles is allowed
509 * (0 = no, 1 = yes, -1 = do not change)
510 * @use_short_slot_time: Whether the use of short slot time is allowed
511 * (0 = no, 1 = yes, -1 = do not change)
512 * @basic_rates: basic rates in IEEE 802.11 format
513 * (or NULL for no change)
514 * @basic_rates_len: number of basic rates
516 struct bss_parameters {
518 int use_short_preamble;
519 int use_short_slot_time;
526 /* Mesh plink management parameters */
527 u16 dot11MeshRetryTimeout;
528 u16 dot11MeshConfirmTimeout;
529 u16 dot11MeshHoldingTimeout;
530 u16 dot11MeshMaxPeerLinks;
531 u8 dot11MeshMaxRetries;
533 bool auto_open_plinks;
534 /* HWMP parameters */
535 u8 dot11MeshHWMPmaxPREQretries;
536 u32 path_refresh_time;
537 u16 min_discovery_timeout;
538 u32 dot11MeshHWMPactivePathTimeout;
539 u16 dot11MeshHWMPpreqMinInterval;
540 u16 dot11MeshHWMPnetDiameterTraversalTime;
541 u8 dot11MeshHWMPRootMode;
545 * struct ieee80211_txq_params - TX queue parameters
546 * @queue: TX queue identifier (NL80211_TXQ_Q_*)
547 * @txop: Maximum burst time in units of 32 usecs, 0 meaning disabled
548 * @cwmin: Minimum contention window [a value of the form 2^n-1 in the range
550 * @cwmax: Maximum contention window [a value of the form 2^n-1 in the range
552 * @aifs: Arbitration interframe space [0..255]
554 struct ieee80211_txq_params {
555 enum nl80211_txq_q queue;
562 /* from net/wireless.h */
565 /* from net/ieee80211.h */
566 struct ieee80211_channel;
569 * struct cfg80211_ssid - SSID description
571 * @ssid_len: length of the ssid
573 struct cfg80211_ssid {
574 u8 ssid[IEEE80211_MAX_SSID_LEN];
579 * struct cfg80211_scan_request - scan request description
581 * @ssids: SSIDs to scan for (active scan only)
582 * @n_ssids: number of SSIDs
583 * @channels: channels to scan on.
584 * @n_channels: total number of channels to scan
585 * @ie: optional information element(s) to add into Probe Request or %NULL
586 * @ie_len: length of ie in octets
587 * @wiphy: the wiphy this was for
588 * @dev: the interface
590 struct cfg80211_scan_request {
591 struct cfg80211_ssid *ssids;
599 struct net_device *dev;
603 struct ieee80211_channel *channels[0];
607 * enum cfg80211_signal_type - signal type
609 * @CFG80211_SIGNAL_TYPE_NONE: no signal strength information available
610 * @CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm)
611 * @CFG80211_SIGNAL_TYPE_UNSPEC: signal strength, increasing from 0 through 100
613 enum cfg80211_signal_type {
614 CFG80211_SIGNAL_TYPE_NONE,
615 CFG80211_SIGNAL_TYPE_MBM,
616 CFG80211_SIGNAL_TYPE_UNSPEC,
620 * struct cfg80211_bss - BSS description
622 * This structure describes a BSS (which may also be a mesh network)
623 * for use in scan results and similar.
625 * @bssid: BSSID of the BSS
626 * @tsf: timestamp of last received update
627 * @beacon_interval: the beacon interval as from the frame
628 * @capability: the capability field in host byte order
629 * @information_elements: the information elements (Note that there
630 * is no guarantee that these are well-formed!); this is a pointer to
631 * either the beacon_ies or proberesp_ies depending on whether Probe
632 * Response frame has been received
633 * @len_information_elements: total length of the information elements
634 * @beacon_ies: the information elements from the last Beacon frame
635 * @len_beacon_ies: total length of the beacon_ies
636 * @proberesp_ies: the information elements from the last Probe Response frame
637 * @len_proberesp_ies: total length of the proberesp_ies
638 * @signal: signal strength value (type depends on the wiphy's signal_type)
639 * @free_priv: function pointer to free private data
640 * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes
642 struct cfg80211_bss {
643 struct ieee80211_channel *channel;
649 u8 *information_elements;
650 size_t len_information_elements;
652 size_t len_beacon_ies;
654 size_t len_proberesp_ies;
658 void (*free_priv)(struct cfg80211_bss *bss);
659 u8 priv[0] __attribute__((__aligned__(sizeof(void *))));
663 * ieee80211_bss_get_ie - find IE with given ID
664 * @bss: the bss to search
666 * Returns %NULL if not found.
668 const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie);
672 * struct cfg80211_crypto_settings - Crypto settings
673 * @wpa_versions: indicates which, if any, WPA versions are enabled
674 * (from enum nl80211_wpa_versions)
675 * @cipher_group: group key cipher suite (or 0 if unset)
676 * @n_ciphers_pairwise: number of AP supported unicast ciphers
677 * @ciphers_pairwise: unicast key cipher suites
678 * @n_akm_suites: number of AKM suites
679 * @akm_suites: AKM suites
680 * @control_port: Whether user space controls IEEE 802.1X port, i.e.,
681 * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
682 * required to assume that the port is unauthorized until authorized by
683 * user space. Otherwise, port is marked authorized by default.
685 struct cfg80211_crypto_settings {
688 int n_ciphers_pairwise;
689 u32 ciphers_pairwise[NL80211_MAX_NR_CIPHER_SUITES];
691 u32 akm_suites[NL80211_MAX_NR_AKM_SUITES];
696 * struct cfg80211_auth_request - Authentication request data
698 * This structure provides information needed to complete IEEE 802.11
701 * @bss: The BSS to authenticate with.
702 * @auth_type: Authentication type (algorithm)
703 * @ie: Extra IEs to add to Authentication frame or %NULL
704 * @ie_len: Length of ie buffer in octets
705 * @key_len: length of WEP key for shared key authentication
706 * @key_idx: index of WEP key for shared key authentication
707 * @key: WEP key for shared key authentication
709 struct cfg80211_auth_request {
710 struct cfg80211_bss *bss;
713 enum nl80211_auth_type auth_type;
719 * struct cfg80211_assoc_request - (Re)Association request data
721 * This structure provides information needed to complete IEEE 802.11
723 * @bss: The BSS to associate with.
724 * @ie: Extra IEs to add to (Re)Association Request frame or %NULL
725 * @ie_len: Length of ie buffer in octets
726 * @use_mfp: Use management frame protection (IEEE 802.11w) in this association
727 * @crypto: crypto settings
728 * @prev_bssid: previous BSSID, if not %NULL use reassociate frame
730 struct cfg80211_assoc_request {
731 struct cfg80211_bss *bss;
732 const u8 *ie, *prev_bssid;
734 struct cfg80211_crypto_settings crypto;
739 * struct cfg80211_deauth_request - Deauthentication request data
741 * This structure provides information needed to complete IEEE 802.11
744 * @bss: the BSS to deauthenticate from
745 * @ie: Extra IEs to add to Deauthentication frame or %NULL
746 * @ie_len: Length of ie buffer in octets
747 * @reason_code: The reason code for the deauthentication
749 struct cfg80211_deauth_request {
750 struct cfg80211_bss *bss;
757 * struct cfg80211_disassoc_request - Disassociation request data
759 * This structure provides information needed to complete IEEE 802.11
762 * @bss: the BSS to disassociate from
763 * @ie: Extra IEs to add to Disassociation frame or %NULL
764 * @ie_len: Length of ie buffer in octets
765 * @reason_code: The reason code for the disassociation
767 struct cfg80211_disassoc_request {
768 struct cfg80211_bss *bss;
775 * struct cfg80211_ibss_params - IBSS parameters
777 * This structure defines the IBSS parameters for the join_ibss()
780 * @ssid: The SSID, will always be non-null.
781 * @ssid_len: The length of the SSID, will always be non-zero.
782 * @bssid: Fixed BSSID requested, maybe be %NULL, if set do not
783 * search for IBSSs with a different BSSID.
784 * @channel: The channel to use if no IBSS can be found to join.
785 * @channel_fixed: The channel should be fixed -- do not search for
786 * IBSSs to join on other channels.
787 * @ie: information element(s) to include in the beacon
788 * @ie_len: length of that
789 * @beacon_interval: beacon interval to use
790 * @privacy: this is a protected network, keys will be configured
793 struct cfg80211_ibss_params {
796 struct ieee80211_channel *channel;
805 * struct cfg80211_connect_params - Connection parameters
807 * This structure provides information needed to complete IEEE 802.11
808 * authentication and association.
810 * @channel: The channel to use or %NULL if not specified (auto-select based
812 * @bssid: The AP BSSID or %NULL if not specified (auto-select based on scan
815 * @ssid_len: Length of ssid in octets
816 * @auth_type: Authentication type (algorithm)
817 * @assoc_ie: IEs for association request
818 * @assoc_ie_len: Length of assoc_ie in octets
819 * @privacy: indicates whether privacy-enabled APs should be used
820 * @crypto: crypto settings
821 * @key_len: length of WEP key for shared key authentication
822 * @key_idx: index of WEP key for shared key authentication
823 * @key: WEP key for shared key authentication
825 struct cfg80211_connect_params {
826 struct ieee80211_channel *channel;
830 enum nl80211_auth_type auth_type;
834 struct cfg80211_crypto_settings crypto;
840 * enum wiphy_params_flags - set_wiphy_params bitfield values
841 * WIPHY_PARAM_RETRY_SHORT: wiphy->retry_short has changed
842 * WIPHY_PARAM_RETRY_LONG: wiphy->retry_long has changed
843 * WIPHY_PARAM_FRAG_THRESHOLD: wiphy->frag_threshold has changed
844 * WIPHY_PARAM_RTS_THRESHOLD: wiphy->rts_threshold has changed
846 enum wiphy_params_flags {
847 WIPHY_PARAM_RETRY_SHORT = 1 << 0,
848 WIPHY_PARAM_RETRY_LONG = 1 << 1,
849 WIPHY_PARAM_FRAG_THRESHOLD = 1 << 2,
850 WIPHY_PARAM_RTS_THRESHOLD = 1 << 3,
851 WIPHY_PARAM_COVERAGE_CLASS = 1 << 4,
855 * enum tx_power_setting - TX power adjustment
857 * @TX_POWER_AUTOMATIC: the dbm parameter is ignored
858 * @TX_POWER_LIMITED: limit TX power by the dbm parameter
859 * @TX_POWER_FIXED: fix TX power to the dbm parameter
861 enum tx_power_setting {
868 * cfg80211_bitrate_mask - masks for bitrate control
870 struct cfg80211_bitrate_mask {
873 /* TODO: add support for masking MCS rates; e.g.: */
874 /* u8 mcs[IEEE80211_HT_MCS_MASK_LEN]; */
875 } control[IEEE80211_NUM_BANDS];
878 * struct cfg80211_pmksa - PMK Security Association
880 * This structure is passed to the set/del_pmksa() method for PMKSA
883 * @bssid: The AP's BSSID.
884 * @pmkid: The PMK material itself.
886 struct cfg80211_pmksa {
892 * struct cfg80211_ops - backend description for wireless configuration
894 * This struct is registered by fullmac card drivers and/or wireless stacks
895 * in order to handle configuration requests on their interfaces.
897 * All callbacks except where otherwise noted should return 0
898 * on success or a negative error code.
900 * All operations are currently invoked under rtnl for consistency with the
901 * wireless extensions but this is subject to reevaluation as soon as this
902 * code is used more widely and we have a first user without wext.
904 * @suspend: wiphy device needs to be suspended
905 * @resume: wiphy device needs to be resumed
907 * @add_virtual_intf: create a new virtual interface with the given name,
908 * must set the struct wireless_dev's iftype. Beware: You must create
909 * the new netdev in the wiphy's network namespace!
911 * @del_virtual_intf: remove the virtual interface determined by ifindex.
913 * @change_virtual_intf: change type/configuration of virtual interface,
914 * keep the struct wireless_dev's iftype updated.
916 * @add_key: add a key with the given parameters. @mac_addr will be %NULL
917 * when adding a group key.
919 * @get_key: get information about the key with the given parameters.
920 * @mac_addr will be %NULL when requesting information for a group
921 * key. All pointers given to the @callback function need not be valid
922 * after it returns. This function should return an error if it is
923 * not possible to retrieve the key, -ENOENT if it doesn't exist.
925 * @del_key: remove a key given the @mac_addr (%NULL for a group key)
926 * and @key_index, return -ENOENT if the key doesn't exist.
928 * @set_default_key: set the default key on an interface
930 * @set_default_mgmt_key: set the default management frame key on an interface
932 * @add_beacon: Add a beacon with given parameters, @head, @interval
933 * and @dtim_period will be valid, @tail is optional.
934 * @set_beacon: Change the beacon parameters for an access point mode
935 * interface. This should reject the call when no beacon has been
937 * @del_beacon: Remove beacon configuration and stop sending the beacon.
939 * @add_station: Add a new station.
941 * @del_station: Remove a station; @mac may be NULL to remove all stations.
943 * @change_station: Modify a given station.
945 * @get_mesh_params: Put the current mesh parameters into *params
947 * @set_mesh_params: Set mesh parameters.
948 * The mask is a bitfield which tells us which parameters to
949 * set, and which to leave alone.
951 * @set_mesh_cfg: set mesh parameters (by now, just mesh id)
953 * @change_bss: Modify parameters for a given BSS.
955 * @set_txq_params: Set TX queue parameters
957 * @set_channel: Set channel
959 * @scan: Request to do a scan. If returning zero, the scan request is given
960 * the driver, and will be valid until passed to cfg80211_scan_done().
961 * For scan results, call cfg80211_inform_bss(); you can call this outside
962 * the scan/scan_done bracket too.
964 * @auth: Request to authenticate with the specified peer
965 * @assoc: Request to (re)associate with the specified peer
966 * @deauth: Request to deauthenticate from the specified peer
967 * @disassoc: Request to disassociate from the specified peer
969 * @connect: Connect to the ESS with the specified parameters. When connected,
970 * call cfg80211_connect_result() with status code %WLAN_STATUS_SUCCESS.
971 * If the connection fails for some reason, call cfg80211_connect_result()
972 * with the status from the AP.
973 * @disconnect: Disconnect from the BSS/ESS.
975 * @join_ibss: Join the specified IBSS (or create if necessary). Once done, call
976 * cfg80211_ibss_joined(), also call that function when changing BSSID due
978 * @leave_ibss: Leave the IBSS.
980 * @set_wiphy_params: Notify that wiphy parameters have changed;
981 * @changed bitfield (see &enum wiphy_params_flags) describes which values
982 * have changed. The actual parameter values are available in
983 * struct wiphy. If returning an error, no value should be changed.
985 * @set_tx_power: set the transmit power according to the parameters
986 * @get_tx_power: store the current TX power into the dbm variable;
987 * return 0 if successful
989 * @rfkill_poll: polls the hw rfkill line, use cfg80211 reporting
990 * functions to adjust rfkill hw state
992 * @dump_survey: get site survey information.
994 * @remain_on_channel: Request the driver to remain awake on the specified
995 * channel for the specified duration to complete an off-channel
996 * operation (e.g., public action frame exchange). When the driver is
997 * ready on the requested channel, it must indicate this with an event
998 * notification by calling cfg80211_ready_on_channel().
999 * @cancel_remain_on_channel: Cancel an on-going remain-on-channel operation.
1000 * This allows the operation to be terminated prior to timeout based on
1001 * the duration value.
1002 * @action: Transmit an action frame
1004 * @testmode_cmd: run a test mode command
1006 * @set_pmksa: Cache a PMKID for a BSSID. This is mostly useful for fullmac
1007 * devices running firmwares capable of generating the (re) association
1008 * RSN IE. It allows for faster roaming between WPA2 BSSIDs.
1009 * @del_pmksa: Delete a cached PMKID.
1010 * @flush_pmksa: Flush all cached PMKIDs.
1013 struct cfg80211_ops {
1014 int (*suspend)(struct wiphy *wiphy);
1015 int (*resume)(struct wiphy *wiphy);
1017 int (*add_virtual_intf)(struct wiphy *wiphy, char *name,
1018 enum nl80211_iftype type, u32 *flags,
1019 struct vif_params *params);
1020 int (*del_virtual_intf)(struct wiphy *wiphy, struct net_device *dev);
1021 int (*change_virtual_intf)(struct wiphy *wiphy,
1022 struct net_device *dev,
1023 enum nl80211_iftype type, u32 *flags,
1024 struct vif_params *params);
1026 int (*add_key)(struct wiphy *wiphy, struct net_device *netdev,
1027 u8 key_index, const u8 *mac_addr,
1028 struct key_params *params);
1029 int (*get_key)(struct wiphy *wiphy, struct net_device *netdev,
1030 u8 key_index, const u8 *mac_addr, void *cookie,
1031 void (*callback)(void *cookie, struct key_params*));
1032 int (*del_key)(struct wiphy *wiphy, struct net_device *netdev,
1033 u8 key_index, const u8 *mac_addr);
1034 int (*set_default_key)(struct wiphy *wiphy,
1035 struct net_device *netdev,
1037 int (*set_default_mgmt_key)(struct wiphy *wiphy,
1038 struct net_device *netdev,
1041 int (*add_beacon)(struct wiphy *wiphy, struct net_device *dev,
1042 struct beacon_parameters *info);
1043 int (*set_beacon)(struct wiphy *wiphy, struct net_device *dev,
1044 struct beacon_parameters *info);
1045 int (*del_beacon)(struct wiphy *wiphy, struct net_device *dev);
1048 int (*add_station)(struct wiphy *wiphy, struct net_device *dev,
1049 u8 *mac, struct station_parameters *params);
1050 int (*del_station)(struct wiphy *wiphy, struct net_device *dev,
1052 int (*change_station)(struct wiphy *wiphy, struct net_device *dev,
1053 u8 *mac, struct station_parameters *params);
1054 int (*get_station)(struct wiphy *wiphy, struct net_device *dev,
1055 u8 *mac, struct station_info *sinfo);
1056 int (*dump_station)(struct wiphy *wiphy, struct net_device *dev,
1057 int idx, u8 *mac, struct station_info *sinfo);
1059 int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev,
1060 u8 *dst, u8 *next_hop);
1061 int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev,
1063 int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev,
1064 u8 *dst, u8 *next_hop);
1065 int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev,
1066 u8 *dst, u8 *next_hop,
1067 struct mpath_info *pinfo);
1068 int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev,
1069 int idx, u8 *dst, u8 *next_hop,
1070 struct mpath_info *pinfo);
1071 int (*get_mesh_params)(struct wiphy *wiphy,
1072 struct net_device *dev,
1073 struct mesh_config *conf);
1074 int (*set_mesh_params)(struct wiphy *wiphy,
1075 struct net_device *dev,
1076 const struct mesh_config *nconf, u32 mask);
1077 int (*change_bss)(struct wiphy *wiphy, struct net_device *dev,
1078 struct bss_parameters *params);
1080 int (*set_txq_params)(struct wiphy *wiphy,
1081 struct ieee80211_txq_params *params);
1083 int (*set_channel)(struct wiphy *wiphy,
1084 struct ieee80211_channel *chan,
1085 enum nl80211_channel_type channel_type);
1087 int (*scan)(struct wiphy *wiphy, struct net_device *dev,
1088 struct cfg80211_scan_request *request);
1090 int (*auth)(struct wiphy *wiphy, struct net_device *dev,
1091 struct cfg80211_auth_request *req);
1092 int (*assoc)(struct wiphy *wiphy, struct net_device *dev,
1093 struct cfg80211_assoc_request *req);
1094 int (*deauth)(struct wiphy *wiphy, struct net_device *dev,
1095 struct cfg80211_deauth_request *req,
1097 int (*disassoc)(struct wiphy *wiphy, struct net_device *dev,
1098 struct cfg80211_disassoc_request *req,
1101 int (*connect)(struct wiphy *wiphy, struct net_device *dev,
1102 struct cfg80211_connect_params *sme);
1103 int (*disconnect)(struct wiphy *wiphy, struct net_device *dev,
1106 int (*join_ibss)(struct wiphy *wiphy, struct net_device *dev,
1107 struct cfg80211_ibss_params *params);
1108 int (*leave_ibss)(struct wiphy *wiphy, struct net_device *dev);
1110 int (*set_wiphy_params)(struct wiphy *wiphy, u32 changed);
1112 int (*set_tx_power)(struct wiphy *wiphy,
1113 enum tx_power_setting type, int dbm);
1114 int (*get_tx_power)(struct wiphy *wiphy, int *dbm);
1116 int (*set_wds_peer)(struct wiphy *wiphy, struct net_device *dev,
1119 void (*rfkill_poll)(struct wiphy *wiphy);
1121 #ifdef CONFIG_NL80211_TESTMODE
1122 int (*testmode_cmd)(struct wiphy *wiphy, void *data, int len);
1125 int (*set_bitrate_mask)(struct wiphy *wiphy,
1126 struct net_device *dev,
1128 const struct cfg80211_bitrate_mask *mask);
1130 int (*dump_survey)(struct wiphy *wiphy, struct net_device *netdev,
1131 int idx, struct survey_info *info);
1133 int (*set_pmksa)(struct wiphy *wiphy, struct net_device *netdev,
1134 struct cfg80211_pmksa *pmksa);
1135 int (*del_pmksa)(struct wiphy *wiphy, struct net_device *netdev,
1136 struct cfg80211_pmksa *pmksa);
1137 int (*flush_pmksa)(struct wiphy *wiphy, struct net_device *netdev);
1139 int (*remain_on_channel)(struct wiphy *wiphy,
1140 struct net_device *dev,
1141 struct ieee80211_channel *chan,
1142 enum nl80211_channel_type channel_type,
1143 unsigned int duration,
1145 int (*cancel_remain_on_channel)(struct wiphy *wiphy,
1146 struct net_device *dev,
1149 int (*action)(struct wiphy *wiphy, struct net_device *dev,
1150 struct ieee80211_channel *chan,
1151 enum nl80211_channel_type channel_type,
1152 const u8 *buf, size_t len, u64 *cookie);
1154 int (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
1155 bool enabled, int timeout);
1159 * wireless hardware and networking interfaces structures
1160 * and registration/helper functions
1164 * enum wiphy_flags - wiphy capability flags
1166 * @WIPHY_FLAG_CUSTOM_REGULATORY: tells us the driver for this device
1167 * has its own custom regulatory domain and cannot identify the
1168 * ISO / IEC 3166 alpha2 it belongs to. When this is enabled
1169 * we will disregard the first regulatory hint (when the
1170 * initiator is %REGDOM_SET_BY_CORE).
1171 * @WIPHY_FLAG_STRICT_REGULATORY: tells us the driver for this device will
1172 * ignore regulatory domain settings until it gets its own regulatory
1173 * domain via its regulatory_hint(). After its gets its own regulatory
1174 * domain it will only allow further regulatory domain settings to
1175 * further enhance compliance. For example if channel 13 and 14 are
1176 * disabled by this regulatory domain no user regulatory domain can
1177 * enable these channels at a later time. This can be used for devices
1178 * which do not have calibration information gauranteed for frequencies
1179 * or settings outside of its regulatory domain.
1180 * @WIPHY_FLAG_DISABLE_BEACON_HINTS: enable this if your driver needs to ensure
1181 * that passive scan flags and beaconing flags may not be lifted by
1182 * cfg80211 due to regulatory beacon hints. For more information on beacon
1183 * hints read the documenation for regulatory_hint_found_beacon()
1184 * @WIPHY_FLAG_NETNS_OK: if not set, do not allow changing the netns of this
1186 * @WIPHY_FLAG_PS_ON_BY_DEFAULT: if set to true, powersave will be enabled
1187 * by default -- this flag will be set depending on the kernel's default
1188 * on wiphy_new(), but can be changed by the driver if it has a good
1189 * reason to override the default
1190 * @WIPHY_FLAG_4ADDR_AP: supports 4addr mode even on AP (with a single station
1191 * on a VLAN interface)
1192 * @WIPHY_FLAG_4ADDR_STATION: supports 4addr mode even as a station
1195 WIPHY_FLAG_CUSTOM_REGULATORY = BIT(0),
1196 WIPHY_FLAG_STRICT_REGULATORY = BIT(1),
1197 WIPHY_FLAG_DISABLE_BEACON_HINTS = BIT(2),
1198 WIPHY_FLAG_NETNS_OK = BIT(3),
1199 WIPHY_FLAG_PS_ON_BY_DEFAULT = BIT(4),
1200 WIPHY_FLAG_4ADDR_AP = BIT(5),
1201 WIPHY_FLAG_4ADDR_STATION = BIT(6),
1204 struct mac_address {
1209 * struct wiphy - wireless hardware description
1210 * @idx: the wiphy index assigned to this item
1211 * @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
1212 * @reg_notifier: the driver's regulatory notification callback
1213 * @regd: the driver's regulatory domain, if one was requested via
1214 * the regulatory_hint() API. This can be used by the driver
1215 * on the reg_notifier() if it chooses to ignore future
1216 * regulatory domain changes caused by other drivers.
1217 * @signal_type: signal type reported in &struct cfg80211_bss.
1218 * @cipher_suites: supported cipher suites
1219 * @n_cipher_suites: number of supported cipher suites
1220 * @retry_short: Retry limit for short frames (dot11ShortRetryLimit)
1221 * @retry_long: Retry limit for long frames (dot11LongRetryLimit)
1222 * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold);
1223 * -1 = fragmentation disabled, only odd values >= 256 used
1224 * @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled
1225 * @net: the network namespace this wiphy currently lives in
1226 * @perm_addr: permanent MAC address of this device
1227 * @addr_mask: If the device supports multiple MAC addresses by masking,
1228 * set this to a mask with variable bits set to 1, e.g. if the last
1229 * four bits are variable then set it to 00:...:00:0f. The actual
1230 * variable bits shall be determined by the interfaces added, with
1231 * interfaces not matching the mask being rejected to be brought up.
1232 * @n_addresses: number of addresses in @addresses.
1233 * @addresses: If the device has more than one address, set this pointer
1234 * to a list of addresses (6 bytes each). The first one will be used
1235 * by default for perm_addr. In this case, the mask should be set to
1236 * all-zeroes. In this case it is assumed that the device can handle
1237 * the same number of arbitrary MAC addresses.
1240 /* assign these fields before you register the wiphy */
1242 /* permanent MAC address(es) */
1243 u8 perm_addr[ETH_ALEN];
1244 u8 addr_mask[ETH_ALEN];
1247 struct mac_address *addresses;
1249 /* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
1250 u16 interface_modes;
1254 enum cfg80211_signal_type signal_type;
1258 u16 max_scan_ie_len;
1260 int n_cipher_suites;
1261 const u32 *cipher_suites;
1269 char fw_version[ETHTOOL_BUSINFO_LEN];
1274 /* If multiple wiphys are registered and you're handed e.g.
1275 * a regular netdev with assigned ieee80211_ptr, you won't
1276 * know whether it points to a wiphy your driver has registered
1277 * or not. Assign this to something global to your driver to
1278 * help determine whether you own this wiphy or not. */
1281 struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS];
1283 /* Lets us get back the wiphy on the callback */
1284 int (*reg_notifier)(struct wiphy *wiphy,
1285 struct regulatory_request *request);
1287 /* fields below are read-only, assigned by cfg80211 */
1289 const struct ieee80211_regdomain *regd;
1291 /* the item in /sys/class/ieee80211/ points to this,
1292 * you need use set_wiphy_dev() (see below) */
1295 /* dir in debugfs: ieee80211/<wiphyname> */
1296 struct dentry *debugfsdir;
1298 #ifdef CONFIG_NET_NS
1299 /* the network namespace this phy lives in currently */
1303 #ifdef CONFIG_CFG80211_WEXT
1304 const struct iw_handler_def *wext;
1307 char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
1310 #ifdef CONFIG_NET_NS
1311 static inline struct net *wiphy_net(struct wiphy *wiphy)
1316 static inline void wiphy_net_set(struct wiphy *wiphy, struct net *net)
1321 static inline struct net *wiphy_net(struct wiphy *wiphy)
1326 static inline void wiphy_net_set(struct wiphy *wiphy, struct net *net)
1332 * wiphy_priv - return priv from wiphy
1334 * @wiphy: the wiphy whose priv pointer to return
1336 static inline void *wiphy_priv(struct wiphy *wiphy)
1339 return &wiphy->priv;
1343 * priv_to_wiphy - return the wiphy containing the priv
1345 * @priv: a pointer previously returned by wiphy_priv
1347 static inline struct wiphy *priv_to_wiphy(void *priv)
1350 return container_of(priv, struct wiphy, priv);
1354 * set_wiphy_dev - set device pointer for wiphy
1356 * @wiphy: The wiphy whose device to bind
1357 * @dev: The device to parent it to
1359 static inline void set_wiphy_dev(struct wiphy *wiphy, struct device *dev)
1361 wiphy->dev.parent = dev;
1365 * wiphy_dev - get wiphy dev pointer
1367 * @wiphy: The wiphy whose device struct to look up
1369 static inline struct device *wiphy_dev(struct wiphy *wiphy)
1371 return wiphy->dev.parent;
1375 * wiphy_name - get wiphy name
1377 * @wiphy: The wiphy whose name to return
1379 static inline const char *wiphy_name(struct wiphy *wiphy)
1381 return dev_name(&wiphy->dev);
1385 * wiphy_new - create a new wiphy for use with cfg80211
1387 * @ops: The configuration operations for this device
1388 * @sizeof_priv: The size of the private area to allocate
1390 * Create a new wiphy and associate the given operations with it.
1391 * @sizeof_priv bytes are allocated for private use.
1393 * The returned pointer must be assigned to each netdev's
1394 * ieee80211_ptr for proper operation.
1396 struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv);
1399 * wiphy_register - register a wiphy with cfg80211
1401 * @wiphy: The wiphy to register.
1403 * Returns a non-negative wiphy index or a negative error code.
1405 extern int wiphy_register(struct wiphy *wiphy);
1408 * wiphy_unregister - deregister a wiphy from cfg80211
1410 * @wiphy: The wiphy to unregister.
1412 * After this call, no more requests can be made with this priv
1413 * pointer, but the call may sleep to wait for an outstanding
1414 * request that is being handled.
1416 extern void wiphy_unregister(struct wiphy *wiphy);
1419 * wiphy_free - free wiphy
1421 * @wiphy: The wiphy to free
1423 extern void wiphy_free(struct wiphy *wiphy);
1425 /* internal structs */
1426 struct cfg80211_conn;
1427 struct cfg80211_internal_bss;
1428 struct cfg80211_cached_keys;
1430 #define MAX_AUTH_BSSES 4
1433 * struct wireless_dev - wireless per-netdev state
1435 * This structure must be allocated by the driver/stack
1436 * that uses the ieee80211_ptr field in struct net_device
1437 * (this is intentional so it can be allocated along with
1440 * @wiphy: pointer to hardware description
1441 * @iftype: interface type
1442 * @list: (private) Used to collect the interfaces
1443 * @netdev: (private) Used to reference back to the netdev
1444 * @current_bss: (private) Used by the internal configuration code
1445 * @bssid: (private) Used by the internal configuration code
1446 * @ssid: (private) Used by the internal configuration code
1447 * @ssid_len: (private) Used by the internal configuration code
1448 * @wext: (private) Used by the internal wireless extensions compat code
1449 * @wext_bssid: (private) Used by the internal wireless extensions compat code
1450 * @use_4addr: indicates 4addr mode is used on this interface, must be
1451 * set by driver (if supported) on add_interface BEFORE registering the
1452 * netdev and may otherwise be used by driver read-only, will be update
1453 * by cfg80211 on change_interface
1454 * @action_registrations: list of registrations for action frames
1455 * @action_registrations_lock: lock for the list
1457 struct wireless_dev {
1458 struct wiphy *wiphy;
1459 enum nl80211_iftype iftype;
1461 /* the remainder of this struct should be private to cfg80211 */
1462 struct list_head list;
1463 struct net_device *netdev;
1465 struct list_head action_registrations;
1466 spinlock_t action_registrations_lock;
1470 struct work_struct cleanup_work;
1474 /* currently used for IBSS and SME - might be rearranged later */
1475 u8 ssid[IEEE80211_MAX_SSID_LEN];
1479 CFG80211_SME_CONNECTING,
1480 CFG80211_SME_CONNECTED,
1482 struct cfg80211_conn *conn;
1483 struct cfg80211_cached_keys *connect_keys;
1485 struct list_head event_list;
1486 spinlock_t event_lock;
1488 struct cfg80211_internal_bss *authtry_bsses[MAX_AUTH_BSSES];
1489 struct cfg80211_internal_bss *auth_bsses[MAX_AUTH_BSSES];
1490 struct cfg80211_internal_bss *current_bss; /* associated / joined */
1495 #ifdef CONFIG_CFG80211_WEXT
1498 struct cfg80211_ibss_params ibss;
1499 struct cfg80211_connect_params connect;
1500 struct cfg80211_cached_keys *keys;
1503 u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
1504 u8 ssid[IEEE80211_MAX_SSID_LEN];
1505 s8 default_key, default_mgmt_key;
1506 bool prev_bssid_valid;
1512 * wdev_priv - return wiphy priv from wireless_dev
1514 * @wdev: The wireless device whose wiphy's priv pointer to return
1516 static inline void *wdev_priv(struct wireless_dev *wdev)
1519 return wiphy_priv(wdev->wiphy);
1527 * ieee80211_channel_to_frequency - convert channel number to frequency
1529 extern int ieee80211_channel_to_frequency(int chan);
1532 * ieee80211_frequency_to_channel - convert frequency to channel number
1534 extern int ieee80211_frequency_to_channel(int freq);
1537 * Name indirection necessary because the ieee80211 code also has
1538 * a function named "ieee80211_get_channel", so if you include
1539 * cfg80211's header file you get cfg80211's version, if you try
1540 * to include both header files you'll (rightfully!) get a symbol
1543 extern struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy,
1546 * ieee80211_get_channel - get channel struct from wiphy for specified frequency
1548 static inline struct ieee80211_channel *
1549 ieee80211_get_channel(struct wiphy *wiphy, int freq)
1551 return __ieee80211_get_channel(wiphy, freq);
1555 * ieee80211_get_response_rate - get basic rate for a given rate
1557 * @sband: the band to look for rates in
1558 * @basic_rates: bitmap of basic rates
1559 * @bitrate: the bitrate for which to find the basic rate
1561 * This function returns the basic rate corresponding to a given
1562 * bitrate, that is the next lower bitrate contained in the basic
1563 * rate map, which is, for this function, given as a bitmap of
1564 * indices of rates in the band's bitrate table.
1566 struct ieee80211_rate *
1567 ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
1568 u32 basic_rates, int bitrate);
1571 * Radiotap parsing functions -- for controlled injection support
1573 * Implemented in net/wireless/radiotap.c
1574 * Documentation in Documentation/networking/radiotap-headers.txt
1577 struct radiotap_align_size {
1578 uint8_t align:4, size:4;
1581 struct ieee80211_radiotap_namespace {
1582 const struct radiotap_align_size *align_size;
1588 struct ieee80211_radiotap_vendor_namespaces {
1589 const struct ieee80211_radiotap_namespace *ns;
1594 * struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
1595 * @this_arg_index: index of current arg, valid after each successful call
1596 * to ieee80211_radiotap_iterator_next()
1597 * @this_arg: pointer to current radiotap arg; it is valid after each
1598 * call to ieee80211_radiotap_iterator_next() but also after
1599 * ieee80211_radiotap_iterator_init() where it will point to
1600 * the beginning of the actual data portion
1601 * @this_arg_size: length of the current arg, for convenience
1602 * @current_namespace: pointer to the current namespace definition
1603 * (or internally %NULL if the current namespace is unknown)
1604 * @is_radiotap_ns: indicates whether the current namespace is the default
1605 * radiotap namespace or not
1607 * @overrides: override standard radiotap fields
1608 * @n_overrides: number of overrides
1610 * @_rtheader: pointer to the radiotap header we are walking through
1611 * @_max_length: length of radiotap header in cpu byte ordering
1612 * @_arg_index: next argument index
1613 * @_arg: next argument pointer
1614 * @_next_bitmap: internal pointer to next present u32
1615 * @_bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
1616 * @_vns: vendor namespace definitions
1617 * @_next_ns_data: beginning of the next namespace's data
1618 * @_reset_on_ext: internal; reset the arg index to 0 when going to the
1621 * Describes the radiotap parser state. Fields prefixed with an underscore
1622 * must not be used by users of the parser, only by the parser internally.
1625 struct ieee80211_radiotap_iterator {
1626 struct ieee80211_radiotap_header *_rtheader;
1627 const struct ieee80211_radiotap_vendor_namespaces *_vns;
1628 const struct ieee80211_radiotap_namespace *current_namespace;
1630 unsigned char *_arg, *_next_ns_data;
1631 uint32_t *_next_bitmap;
1633 unsigned char *this_arg;
1641 uint32_t _bitmap_shifter;
1645 extern int ieee80211_radiotap_iterator_init(
1646 struct ieee80211_radiotap_iterator *iterator,
1647 struct ieee80211_radiotap_header *radiotap_header,
1648 int max_length, const struct ieee80211_radiotap_vendor_namespaces *vns);
1650 extern int ieee80211_radiotap_iterator_next(
1651 struct ieee80211_radiotap_iterator *iterator);
1654 extern const unsigned char rfc1042_header[6];
1655 extern const unsigned char bridge_tunnel_header[6];
1658 * ieee80211_get_hdrlen_from_skb - get header length from data
1660 * Given an skb with a raw 802.11 header at the data pointer this function
1661 * returns the 802.11 header length in bytes (not including encryption
1662 * headers). If the data in the sk_buff is too short to contain a valid 802.11
1663 * header the function returns 0.
1667 unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb);
1670 * ieee80211_hdrlen - get header length in bytes from frame control
1671 * @fc: frame control field in little-endian format
1673 unsigned int ieee80211_hdrlen(__le16 fc);
1676 * ieee80211_data_to_8023 - convert an 802.11 data frame to 802.3
1677 * @skb: the 802.11 data frame
1678 * @addr: the device MAC address
1679 * @iftype: the virtual interface type
1681 int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
1682 enum nl80211_iftype iftype);
1685 * ieee80211_data_from_8023 - convert an 802.3 frame to 802.11
1686 * @skb: the 802.3 frame
1687 * @addr: the device MAC address
1688 * @iftype: the virtual interface type
1689 * @bssid: the network bssid (used only for iftype STATION and ADHOC)
1690 * @qos: build 802.11 QoS data frame
1692 int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
1693 enum nl80211_iftype iftype, u8 *bssid, bool qos);
1696 * ieee80211_amsdu_to_8023s - decode an IEEE 802.11n A-MSDU frame
1698 * Decode an IEEE 802.11n A-MSDU frame and convert it to a list of
1699 * 802.3 frames. The @list will be empty if the decode fails. The
1700 * @skb is consumed after the function returns.
1702 * @skb: The input IEEE 802.11n A-MSDU frame.
1703 * @list: The output list of 802.3 frames. It must be allocated and
1704 * initialized by by the caller.
1705 * @addr: The device MAC address.
1706 * @iftype: The device interface type.
1707 * @extra_headroom: The hardware extra headroom for SKBs in the @list.
1709 void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
1710 const u8 *addr, enum nl80211_iftype iftype,
1711 const unsigned int extra_headroom);
1714 * cfg80211_classify8021d - determine the 802.1p/1d tag for a data frame
1715 * @skb: the data frame
1717 unsigned int cfg80211_classify8021d(struct sk_buff *skb);
1720 * cfg80211_find_ie - find information element in data
1723 * @ies: data consisting of IEs
1724 * @len: length of data
1726 * This function will return %NULL if the element ID could
1727 * not be found or if the element is invalid (claims to be
1728 * longer than the given data), or a pointer to the first byte
1729 * of the requested element, that is the byte containing the
1730 * element ID. There are no checks on the element length
1731 * other than having to fit into the given data.
1733 const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len);
1736 * Regulatory helper functions for wiphys
1740 * regulatory_hint - driver hint to the wireless core a regulatory domain
1741 * @wiphy: the wireless device giving the hint (used only for reporting
1743 * @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain
1744 * should be in. If @rd is set this should be NULL. Note that if you
1745 * set this to NULL you should still set rd->alpha2 to some accepted
1748 * Wireless drivers can use this function to hint to the wireless core
1749 * what it believes should be the current regulatory domain by
1750 * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory
1751 * domain should be in or by providing a completely build regulatory domain.
1752 * If the driver provides an ISO/IEC 3166 alpha2 userspace will be queried
1753 * for a regulatory domain structure for the respective country.
1755 * The wiphy must have been registered to cfg80211 prior to this call.
1756 * For cfg80211 drivers this means you must first use wiphy_register(),
1757 * for mac80211 drivers you must first use ieee80211_register_hw().
1759 * Drivers should check the return value, its possible you can get
1762 extern int regulatory_hint(struct wiphy *wiphy, const char *alpha2);
1765 * wiphy_apply_custom_regulatory - apply a custom driver regulatory domain
1766 * @wiphy: the wireless device we want to process the regulatory domain on
1767 * @regd: the custom regulatory domain to use for this wiphy
1769 * Drivers can sometimes have custom regulatory domains which do not apply
1770 * to a specific country. Drivers can use this to apply such custom regulatory
1771 * domains. This routine must be called prior to wiphy registration. The
1772 * custom regulatory domain will be trusted completely and as such previous
1773 * default channel settings will be disregarded. If no rule is found for a
1774 * channel on the regulatory domain the channel will be disabled.
1776 extern void wiphy_apply_custom_regulatory(
1777 struct wiphy *wiphy,
1778 const struct ieee80211_regdomain *regd);
1781 * freq_reg_info - get regulatory information for the given frequency
1782 * @wiphy: the wiphy for which we want to process this rule for
1783 * @center_freq: Frequency in KHz for which we want regulatory information for
1784 * @desired_bw_khz: the desired max bandwidth you want to use per
1785 * channel. Note that this is still 20 MHz if you want to use HT40
1786 * as HT40 makes use of two channels for its 40 MHz width bandwidth.
1787 * If set to 0 we'll assume you want the standard 20 MHz.
1788 * @reg_rule: the regulatory rule which we have for this frequency
1790 * Use this function to get the regulatory rule for a specific frequency on
1791 * a given wireless device. If the device has a specific regulatory domain
1792 * it wants to follow we respect that unless a country IE has been received
1793 * and processed already.
1795 * Returns 0 if it was able to find a valid regulatory rule which does
1796 * apply to the given center_freq otherwise it returns non-zero. It will
1797 * also return -ERANGE if we determine the given center_freq does not even have
1798 * a regulatory rule for a frequency range in the center_freq's band. See
1799 * freq_in_rule_band() for our current definition of a band -- this is purely
1800 * subjective and right now its 802.11 specific.
1802 extern int freq_reg_info(struct wiphy *wiphy,
1805 const struct ieee80211_reg_rule **reg_rule);
1808 * Temporary wext handlers & helper functions
1810 * In the future cfg80211 will simply assign the entire wext handler
1811 * structure to netdevs it manages, but we're not there yet.
1813 int cfg80211_wext_giwname(struct net_device *dev,
1814 struct iw_request_info *info,
1815 char *name, char *extra);
1816 int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
1817 u32 *mode, char *extra);
1818 int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
1819 u32 *mode, char *extra);
1820 int cfg80211_wext_siwscan(struct net_device *dev,
1821 struct iw_request_info *info,
1822 union iwreq_data *wrqu, char *extra);
1823 int cfg80211_wext_giwscan(struct net_device *dev,
1824 struct iw_request_info *info,
1825 struct iw_point *data, char *extra);
1826 int cfg80211_wext_siwmlme(struct net_device *dev,
1827 struct iw_request_info *info,
1828 struct iw_point *data, char *extra);
1829 int cfg80211_wext_giwrange(struct net_device *dev,
1830 struct iw_request_info *info,
1831 struct iw_point *data, char *extra);
1832 int cfg80211_wext_siwgenie(struct net_device *dev,
1833 struct iw_request_info *info,
1834 struct iw_point *data, char *extra);
1835 int cfg80211_wext_siwauth(struct net_device *dev,
1836 struct iw_request_info *info,
1837 struct iw_param *data, char *extra);
1838 int cfg80211_wext_giwauth(struct net_device *dev,
1839 struct iw_request_info *info,
1840 struct iw_param *data, char *extra);
1842 int cfg80211_wext_siwfreq(struct net_device *dev,
1843 struct iw_request_info *info,
1844 struct iw_freq *freq, char *extra);
1845 int cfg80211_wext_giwfreq(struct net_device *dev,
1846 struct iw_request_info *info,
1847 struct iw_freq *freq, char *extra);
1848 int cfg80211_wext_siwessid(struct net_device *dev,
1849 struct iw_request_info *info,
1850 struct iw_point *data, char *ssid);
1851 int cfg80211_wext_giwessid(struct net_device *dev,
1852 struct iw_request_info *info,
1853 struct iw_point *data, char *ssid);
1854 int cfg80211_wext_siwrate(struct net_device *dev,
1855 struct iw_request_info *info,
1856 struct iw_param *rate, char *extra);
1857 int cfg80211_wext_giwrate(struct net_device *dev,
1858 struct iw_request_info *info,
1859 struct iw_param *rate, char *extra);
1861 int cfg80211_wext_siwrts(struct net_device *dev,
1862 struct iw_request_info *info,
1863 struct iw_param *rts, char *extra);
1864 int cfg80211_wext_giwrts(struct net_device *dev,
1865 struct iw_request_info *info,
1866 struct iw_param *rts, char *extra);
1867 int cfg80211_wext_siwfrag(struct net_device *dev,
1868 struct iw_request_info *info,
1869 struct iw_param *frag, char *extra);
1870 int cfg80211_wext_giwfrag(struct net_device *dev,
1871 struct iw_request_info *info,
1872 struct iw_param *frag, char *extra);
1873 int cfg80211_wext_siwretry(struct net_device *dev,
1874 struct iw_request_info *info,
1875 struct iw_param *retry, char *extra);
1876 int cfg80211_wext_giwretry(struct net_device *dev,
1877 struct iw_request_info *info,
1878 struct iw_param *retry, char *extra);
1879 int cfg80211_wext_siwencodeext(struct net_device *dev,
1880 struct iw_request_info *info,
1881 struct iw_point *erq, char *extra);
1882 int cfg80211_wext_siwencode(struct net_device *dev,
1883 struct iw_request_info *info,
1884 struct iw_point *erq, char *keybuf);
1885 int cfg80211_wext_giwencode(struct net_device *dev,
1886 struct iw_request_info *info,
1887 struct iw_point *erq, char *keybuf);
1888 int cfg80211_wext_siwtxpower(struct net_device *dev,
1889 struct iw_request_info *info,
1890 union iwreq_data *data, char *keybuf);
1891 int cfg80211_wext_giwtxpower(struct net_device *dev,
1892 struct iw_request_info *info,
1893 union iwreq_data *data, char *keybuf);
1894 struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev);
1896 int cfg80211_wext_siwpower(struct net_device *dev,
1897 struct iw_request_info *info,
1898 struct iw_param *wrq, char *extra);
1899 int cfg80211_wext_giwpower(struct net_device *dev,
1900 struct iw_request_info *info,
1901 struct iw_param *wrq, char *extra);
1903 int cfg80211_wext_siwap(struct net_device *dev,
1904 struct iw_request_info *info,
1905 struct sockaddr *ap_addr, char *extra);
1906 int cfg80211_wext_giwap(struct net_device *dev,
1907 struct iw_request_info *info,
1908 struct sockaddr *ap_addr, char *extra);
1911 * callbacks for asynchronous cfg80211 methods, notification
1912 * functions and BSS handling helpers
1916 * cfg80211_scan_done - notify that scan finished
1918 * @request: the corresponding scan request
1919 * @aborted: set to true if the scan was aborted for any reason,
1920 * userspace will be notified of that
1922 void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted);
1925 * cfg80211_inform_bss - inform cfg80211 of a new BSS
1927 * @wiphy: the wiphy reporting the BSS
1928 * @bss: the found BSS
1929 * @signal: the signal strength, type depends on the wiphy's signal_type
1930 * @gfp: context flags
1932 * This informs cfg80211 that BSS information was found and
1933 * the BSS should be updated/added.
1935 struct cfg80211_bss*
1936 cfg80211_inform_bss_frame(struct wiphy *wiphy,
1937 struct ieee80211_channel *channel,
1938 struct ieee80211_mgmt *mgmt, size_t len,
1939 s32 signal, gfp_t gfp);
1941 struct cfg80211_bss*
1942 cfg80211_inform_bss(struct wiphy *wiphy,
1943 struct ieee80211_channel *channel,
1945 u64 timestamp, u16 capability, u16 beacon_interval,
1946 const u8 *ie, size_t ielen,
1947 s32 signal, gfp_t gfp);
1949 struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
1950 struct ieee80211_channel *channel,
1952 const u8 *ssid, size_t ssid_len,
1953 u16 capa_mask, u16 capa_val);
1954 static inline struct cfg80211_bss *
1955 cfg80211_get_ibss(struct wiphy *wiphy,
1956 struct ieee80211_channel *channel,
1957 const u8 *ssid, size_t ssid_len)
1959 return cfg80211_get_bss(wiphy, channel, NULL, ssid, ssid_len,
1960 WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS);
1963 struct cfg80211_bss *cfg80211_get_mesh(struct wiphy *wiphy,
1964 struct ieee80211_channel *channel,
1965 const u8 *meshid, size_t meshidlen,
1967 void cfg80211_put_bss(struct cfg80211_bss *bss);
1970 * cfg80211_unlink_bss - unlink BSS from internal data structures
1972 * @bss: the bss to remove
1974 * This function removes the given BSS from the internal data structures
1975 * thereby making it no longer show up in scan results etc. Use this
1976 * function when you detect a BSS is gone. Normally BSSes will also time
1977 * out, so it is not necessary to use this function at all.
1979 void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
1982 * cfg80211_send_rx_auth - notification of processed authentication
1983 * @dev: network device
1984 * @buf: authentication frame (header + body)
1985 * @len: length of the frame data
1987 * This function is called whenever an authentication has been processed in
1988 * station mode. The driver is required to call either this function or
1989 * cfg80211_send_auth_timeout() to indicate the result of cfg80211_ops::auth()
1990 * call. This function may sleep.
1992 void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
1995 * cfg80211_send_auth_timeout - notification of timed out authentication
1996 * @dev: network device
1997 * @addr: The MAC address of the device with which the authentication timed out
1999 * This function may sleep.
2001 void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr);
2004 * __cfg80211_auth_canceled - notify cfg80211 that authentication was canceled
2005 * @dev: network device
2006 * @addr: The MAC address of the device with which the authentication timed out
2008 * When a pending authentication had no action yet, the driver may decide
2009 * to not send a deauth frame, but in that case must calls this function
2010 * to tell cfg80211 about this decision. It is only valid to call this
2011 * function within the deauth() callback.
2013 void __cfg80211_auth_canceled(struct net_device *dev, const u8 *addr);
2016 * cfg80211_send_rx_assoc - notification of processed association
2017 * @dev: network device
2018 * @buf: (re)association response frame (header + body)
2019 * @len: length of the frame data
2021 * This function is called whenever a (re)association response has been
2022 * processed in station mode. The driver is required to call either this
2023 * function or cfg80211_send_assoc_timeout() to indicate the result of
2024 * cfg80211_ops::assoc() call. This function may sleep.
2026 void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len);
2029 * cfg80211_send_assoc_timeout - notification of timed out association
2030 * @dev: network device
2031 * @addr: The MAC address of the device with which the association timed out
2033 * This function may sleep.
2035 void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr);
2038 * cfg80211_send_deauth - notification of processed deauthentication
2039 * @dev: network device
2040 * @buf: deauthentication frame (header + body)
2041 * @len: length of the frame data
2043 * This function is called whenever deauthentication has been processed in
2044 * station mode. This includes both received deauthentication frames and
2045 * locally generated ones. This function may sleep.
2047 void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len);
2050 * __cfg80211_send_deauth - notification of processed deauthentication
2051 * @dev: network device
2052 * @buf: deauthentication frame (header + body)
2053 * @len: length of the frame data
2055 * Like cfg80211_send_deauth(), but doesn't take the wdev lock.
2057 void __cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len);
2060 * cfg80211_send_disassoc - notification of processed disassociation
2061 * @dev: network device
2062 * @buf: disassociation response frame (header + body)
2063 * @len: length of the frame data
2065 * This function is called whenever disassociation has been processed in
2066 * station mode. This includes both received disassociation frames and locally
2067 * generated ones. This function may sleep.
2069 void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len);
2072 * __cfg80211_send_disassoc - notification of processed disassociation
2073 * @dev: network device
2074 * @buf: disassociation response frame (header + body)
2075 * @len: length of the frame data
2077 * Like cfg80211_send_disassoc(), but doesn't take the wdev lock.
2079 void __cfg80211_send_disassoc(struct net_device *dev, const u8 *buf,
2083 * cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP)
2084 * @dev: network device
2085 * @addr: The source MAC address of the frame
2086 * @key_type: The key type that the received frame used
2087 * @key_id: Key identifier (0..3)
2088 * @tsc: The TSC value of the frame that generated the MIC failure (6 octets)
2089 * @gfp: allocation flags
2091 * This function is called whenever the local MAC detects a MIC failure in a
2092 * received frame. This matches with MLME-MICHAELMICFAILURE.indication()
2095 void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
2096 enum nl80211_key_type key_type, int key_id,
2097 const u8 *tsc, gfp_t gfp);
2100 * cfg80211_ibss_joined - notify cfg80211 that device joined an IBSS
2102 * @dev: network device
2103 * @bssid: the BSSID of the IBSS joined
2104 * @gfp: allocation flags
2106 * This function notifies cfg80211 that the device joined an IBSS or
2107 * switched to a different BSSID. Before this function can be called,
2108 * either a beacon has to have been received from the IBSS, or one of
2109 * the cfg80211_inform_bss{,_frame} functions must have been called
2110 * with the locally generated beacon -- this guarantees that there is
2111 * always a scan result for this IBSS. cfg80211 will handle the rest.
2113 void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp);
2116 * wiphy_rfkill_set_hw_state - notify cfg80211 about hw block state
2118 * @blocked: block status
2120 void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked);
2123 * wiphy_rfkill_start_polling - start polling rfkill
2126 void wiphy_rfkill_start_polling(struct wiphy *wiphy);
2129 * wiphy_rfkill_stop_polling - stop polling rfkill
2132 void wiphy_rfkill_stop_polling(struct wiphy *wiphy);
2134 #ifdef CONFIG_NL80211_TESTMODE
2136 * cfg80211_testmode_alloc_reply_skb - allocate testmode reply
2138 * @approxlen: an upper bound of the length of the data that will
2139 * be put into the skb
2141 * This function allocates and pre-fills an skb for a reply to
2142 * the testmode command. Since it is intended for a reply, calling
2143 * it outside of the @testmode_cmd operation is invalid.
2145 * The returned skb (or %NULL if any errors happen) is pre-filled
2146 * with the wiphy index and set up in a way that any data that is
2147 * put into the skb (with skb_put(), nla_put() or similar) will end
2148 * up being within the %NL80211_ATTR_TESTDATA attribute, so all that
2149 * needs to be done with the skb is adding data for the corresponding
2150 * userspace tool which can then read that data out of the testdata
2151 * attribute. You must not modify the skb in any other way.
2153 * When done, call cfg80211_testmode_reply() with the skb and return
2154 * its error code as the result of the @testmode_cmd operation.
2156 struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy,
2160 * cfg80211_testmode_reply - send the reply skb
2161 * @skb: The skb, must have been allocated with
2162 * cfg80211_testmode_alloc_reply_skb()
2164 * Returns an error code or 0 on success, since calling this
2165 * function will usually be the last thing before returning
2166 * from the @testmode_cmd you should return the error code.
2167 * Note that this function consumes the skb regardless of the
2170 int cfg80211_testmode_reply(struct sk_buff *skb);
2173 * cfg80211_testmode_alloc_event_skb - allocate testmode event
2175 * @approxlen: an upper bound of the length of the data that will
2176 * be put into the skb
2177 * @gfp: allocation flags
2179 * This function allocates and pre-fills an skb for an event on the
2180 * testmode multicast group.
2182 * The returned skb (or %NULL if any errors happen) is set up in the
2183 * same way as with cfg80211_testmode_alloc_reply_skb() but prepared
2184 * for an event. As there, you should simply add data to it that will
2185 * then end up in the %NL80211_ATTR_TESTDATA attribute. Again, you must
2186 * not modify the skb in any other way.
2188 * When done filling the skb, call cfg80211_testmode_event() with the
2189 * skb to send the event.
2191 struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy,
2192 int approxlen, gfp_t gfp);
2195 * cfg80211_testmode_event - send the event
2196 * @skb: The skb, must have been allocated with
2197 * cfg80211_testmode_alloc_event_skb()
2198 * @gfp: allocation flags
2200 * This function sends the given @skb, which must have been allocated
2201 * by cfg80211_testmode_alloc_event_skb(), as an event. It always
2204 void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp);
2206 #define CFG80211_TESTMODE_CMD(cmd) .testmode_cmd = (cmd),
2208 #define CFG80211_TESTMODE_CMD(cmd)
2212 * cfg80211_connect_result - notify cfg80211 of connection result
2214 * @dev: network device
2215 * @bssid: the BSSID of the AP
2216 * @req_ie: association request IEs (maybe be %NULL)
2217 * @req_ie_len: association request IEs length
2218 * @resp_ie: association response IEs (may be %NULL)
2219 * @resp_ie_len: assoc response IEs length
2220 * @status: status code, 0 for successful connection, use
2221 * %WLAN_STATUS_UNSPECIFIED_FAILURE if your device cannot give you
2222 * the real status code for failures.
2223 * @gfp: allocation flags
2225 * It should be called by the underlying driver whenever connect() has
2228 void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
2229 const u8 *req_ie, size_t req_ie_len,
2230 const u8 *resp_ie, size_t resp_ie_len,
2231 u16 status, gfp_t gfp);
2234 * cfg80211_roamed - notify cfg80211 of roaming
2236 * @dev: network device
2237 * @bssid: the BSSID of the new AP
2238 * @req_ie: association request IEs (maybe be %NULL)
2239 * @req_ie_len: association request IEs length
2240 * @resp_ie: association response IEs (may be %NULL)
2241 * @resp_ie_len: assoc response IEs length
2242 * @gfp: allocation flags
2244 * It should be called by the underlying driver whenever it roamed
2245 * from one AP to another while connected.
2247 void cfg80211_roamed(struct net_device *dev, const u8 *bssid,
2248 const u8 *req_ie, size_t req_ie_len,
2249 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
2252 * cfg80211_disconnected - notify cfg80211 that connection was dropped
2254 * @dev: network device
2255 * @ie: information elements of the deauth/disassoc frame (may be %NULL)
2256 * @ie_len: length of IEs
2257 * @reason: reason code for the disconnection, set it to 0 if unknown
2258 * @gfp: allocation flags
2260 * After it calls this function, the driver should enter an idle state
2261 * and not try to connect to any AP any more.
2263 void cfg80211_disconnected(struct net_device *dev, u16 reason,
2264 u8 *ie, size_t ie_len, gfp_t gfp);
2267 * cfg80211_ready_on_channel - notification of remain_on_channel start
2268 * @dev: network device
2269 * @cookie: the request cookie
2270 * @chan: The current channel (from remain_on_channel request)
2271 * @channel_type: Channel type
2272 * @duration: Duration in milliseconds that the driver intents to remain on the
2274 * @gfp: allocation flags
2276 void cfg80211_ready_on_channel(struct net_device *dev, u64 cookie,
2277 struct ieee80211_channel *chan,
2278 enum nl80211_channel_type channel_type,
2279 unsigned int duration, gfp_t gfp);
2282 * cfg80211_remain_on_channel_expired - remain_on_channel duration expired
2283 * @dev: network device
2284 * @cookie: the request cookie
2285 * @chan: The current channel (from remain_on_channel request)
2286 * @channel_type: Channel type
2287 * @gfp: allocation flags
2289 void cfg80211_remain_on_channel_expired(struct net_device *dev,
2291 struct ieee80211_channel *chan,
2292 enum nl80211_channel_type channel_type,
2297 * cfg80211_new_sta - notify userspace about station
2300 * @mac_addr: the station's address
2301 * @sinfo: the station information
2302 * @gfp: allocation flags
2304 void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
2305 struct station_info *sinfo, gfp_t gfp);
2308 * cfg80211_rx_action - notification of received, unprocessed Action frame
2309 * @dev: network device
2310 * @freq: Frequency on which the frame was received in MHz
2311 * @buf: Action frame (header + body)
2312 * @len: length of the frame data
2313 * @gfp: context flags
2314 * Returns %true if a user space application is responsible for rejecting the
2315 * unrecognized Action frame; %false if no such application is registered
2316 * (i.e., the driver is responsible for rejecting the unrecognized Action
2319 * This function is called whenever an Action frame is received for a station
2320 * mode interface, but is not processed in kernel.
2322 bool cfg80211_rx_action(struct net_device *dev, int freq, const u8 *buf,
2323 size_t len, gfp_t gfp);
2326 * cfg80211_action_tx_status - notification of TX status for Action frame
2327 * @dev: network device
2328 * @cookie: Cookie returned by cfg80211_ops::action()
2329 * @buf: Action frame (header + body)
2330 * @len: length of the frame data
2331 * @ack: Whether frame was acknowledged
2332 * @gfp: context flags
2334 * This function is called whenever an Action frame was requested to be
2335 * transmitted with cfg80211_ops::action() to report the TX status of the
2336 * transmission attempt.
2338 void cfg80211_action_tx_status(struct net_device *dev, u64 cookie,
2339 const u8 *buf, size_t len, bool ack, gfp_t gfp);
2341 #endif /* __NET_CFG80211_H */