1 #ifndef __NET_CFG80211_H
2 #define __NET_CFG80211_H
4 * 802.11 device and configuration interface
6 * Copyright 2006-2009 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>
29 * wireless hardware capability structures
33 * enum ieee80211_band - supported frequency bands
35 * The bands are assigned this way because the supported
36 * bitrates differ in these bands.
38 * @IEEE80211_BAND_2GHZ: 2.4GHz ISM band
39 * @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7)
50 * enum ieee80211_channel_flags - channel flags
52 * Channel flags set by the regulatory control code.
54 * @IEEE80211_CHAN_DISABLED: This channel is disabled.
55 * @IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
57 * @IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
58 * @IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
59 * @IEEE80211_CHAN_NO_FAT_ABOVE: extension channel above this channel
61 * @IEEE80211_CHAN_NO_FAT_BELOW: extension channel below this channel
64 enum ieee80211_channel_flags {
65 IEEE80211_CHAN_DISABLED = 1<<0,
66 IEEE80211_CHAN_PASSIVE_SCAN = 1<<1,
67 IEEE80211_CHAN_NO_IBSS = 1<<2,
68 IEEE80211_CHAN_RADAR = 1<<3,
69 IEEE80211_CHAN_NO_FAT_ABOVE = 1<<4,
70 IEEE80211_CHAN_NO_FAT_BELOW = 1<<5,
74 * struct ieee80211_channel - channel definition
76 * This structure describes a single channel for use
79 * @center_freq: center frequency in MHz
80 * @max_bandwidth: maximum allowed bandwidth for this channel, in MHz
81 * @hw_value: hardware-specific value for the channel
82 * @flags: channel flags from &enum ieee80211_channel_flags.
83 * @orig_flags: channel flags at registration time, used by regulatory
84 * code to support devices with additional restrictions
85 * @band: band this channel belongs to.
86 * @max_antenna_gain: maximum antenna gain in dBi
87 * @max_power: maximum transmission power (in dBm)
88 * @beacon_found: helper to regulatory code to indicate when a beacon
89 * has been found on this channel. Use regulatory_hint_found_beacon()
90 * to enable this, this is is useful only on 5 GHz band.
91 * @orig_mag: internal use
92 * @orig_mpwr: internal use
94 struct ieee80211_channel {
95 enum ieee80211_band band;
100 int max_antenna_gain;
104 int orig_mag, orig_mpwr;
108 * enum ieee80211_rate_flags - rate flags
110 * Hardware/specification flags for rates. These are structured
111 * in a way that allows using the same bitrate structure for
112 * different bands/PHY modes.
114 * @IEEE80211_RATE_SHORT_PREAMBLE: Hardware can send with short
115 * preamble on this bitrate; only relevant in 2.4GHz band and
117 * @IEEE80211_RATE_MANDATORY_A: This bitrate is a mandatory rate
118 * when used with 802.11a (on the 5 GHz band); filled by the
119 * core code when registering the wiphy.
120 * @IEEE80211_RATE_MANDATORY_B: This bitrate is a mandatory rate
121 * when used with 802.11b (on the 2.4 GHz band); filled by the
122 * core code when registering the wiphy.
123 * @IEEE80211_RATE_MANDATORY_G: This bitrate is a mandatory rate
124 * when used with 802.11g (on the 2.4 GHz band); filled by the
125 * core code when registering the wiphy.
126 * @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode.
128 enum ieee80211_rate_flags {
129 IEEE80211_RATE_SHORT_PREAMBLE = 1<<0,
130 IEEE80211_RATE_MANDATORY_A = 1<<1,
131 IEEE80211_RATE_MANDATORY_B = 1<<2,
132 IEEE80211_RATE_MANDATORY_G = 1<<3,
133 IEEE80211_RATE_ERP_G = 1<<4,
137 * struct ieee80211_rate - bitrate definition
139 * This structure describes a bitrate that an 802.11 PHY can
140 * operate with. The two values @hw_value and @hw_value_short
141 * are only for driver use when pointers to this structure are
144 * @flags: rate-specific flags
145 * @bitrate: bitrate in units of 100 Kbps
146 * @hw_value: driver/hardware value for this rate
147 * @hw_value_short: driver/hardware value for this rate when
148 * short preamble is used
150 struct ieee80211_rate {
153 u16 hw_value, hw_value_short;
157 * struct ieee80211_sta_ht_cap - STA's HT capabilities
159 * This structure describes most essential parameters needed
160 * to describe 802.11n HT capabilities for an STA.
162 * @ht_supported: is HT supported by the STA
163 * @cap: HT capabilities map as described in 802.11n spec
164 * @ampdu_factor: Maximum A-MPDU length factor
165 * @ampdu_density: Minimum A-MPDU spacing
166 * @mcs: Supported MCS rates
168 struct ieee80211_sta_ht_cap {
169 u16 cap; /* use IEEE80211_HT_CAP_ */
173 struct ieee80211_mcs_info mcs;
177 * struct ieee80211_supported_band - frequency band definition
179 * This structure describes a frequency band a wiphy
180 * is able to operate in.
182 * @channels: Array of channels the hardware can operate in
184 * @band: the band this structure represents
185 * @n_channels: Number of channels in @channels
186 * @bitrates: Array of bitrates the hardware can operate with
187 * in this band. Must be sorted to give a valid "supported
188 * rates" IE, i.e. CCK rates first, then OFDM.
189 * @n_bitrates: Number of bitrates in @bitrates
191 struct ieee80211_supported_band {
192 struct ieee80211_channel *channels;
193 struct ieee80211_rate *bitrates;
194 enum ieee80211_band band;
197 struct ieee80211_sta_ht_cap ht_cap;
201 * Wireless hardware/device configuration structures and methods
205 * struct vif_params - describes virtual interface parameters
206 * @mesh_id: mesh ID to use
207 * @mesh_id_len: length of the mesh ID
215 * struct key_params - key information
217 * Information about a key
220 * @key_len: length of key material
221 * @cipher: cipher suite selector
222 * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used
223 * with the get_key() callback, must be in little endian,
224 * length given by @seq_len.
235 * struct beacon_parameters - beacon parameters
237 * Used to configure the beacon for an interface.
239 * @head: head portion of beacon (before TIM IE)
240 * or %NULL if not changed
241 * @tail: tail portion of beacon (after TIM IE)
242 * or %NULL if not changed
243 * @interval: beacon interval or zero if not changed
244 * @dtim_period: DTIM period or zero if not changed
245 * @head_len: length of @head
246 * @tail_len: length of @tail
248 struct beacon_parameters {
250 int interval, dtim_period;
251 int head_len, tail_len;
255 * enum plink_action - actions to perform in mesh peers
257 * @PLINK_ACTION_INVALID: action 0 is reserved
258 * @PLINK_ACTION_OPEN: start mesh peer link establishment
259 * @PLINK_ACTION_BLOCL: block traffic from this mesh peer
262 PLINK_ACTION_INVALID,
268 * struct station_parameters - station parameters
270 * Used to change and create a new station.
272 * @vlan: vlan interface station should belong to
273 * @supported_rates: supported rates in IEEE 802.11 format
274 * (or NULL for no change)
275 * @supported_rates_len: number of supported rates
276 * @sta_flags_mask: station flags that changed
277 * (bitmask of BIT(NL80211_STA_FLAG_...))
278 * @sta_flags_set: station flags values
279 * (bitmask of BIT(NL80211_STA_FLAG_...))
280 * @listen_interval: listen interval or -1 for no change
281 * @aid: AID or zero for no change
283 struct station_parameters {
285 struct net_device *vlan;
286 u32 sta_flags_mask, sta_flags_set;
289 u8 supported_rates_len;
291 struct ieee80211_ht_cap *ht_capa;
295 * enum station_info_flags - station information flags
297 * Used by the driver to indicate which info in &struct station_info
298 * it has filled in during get_station() or dump_station().
300 * @STATION_INFO_INACTIVE_TIME: @inactive_time filled
301 * @STATION_INFO_RX_BYTES: @rx_bytes filled
302 * @STATION_INFO_TX_BYTES: @tx_bytes filled
303 * @STATION_INFO_LLID: @llid filled
304 * @STATION_INFO_PLID: @plid filled
305 * @STATION_INFO_PLINK_STATE: @plink_state filled
306 * @STATION_INFO_SIGNAL: @signal filled
307 * @STATION_INFO_TX_BITRATE: @tx_bitrate fields are filled
308 * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
309 * @STATION_INFO_RX_PACKETS: @rx_packets filled
310 * @STATION_INFO_TX_PACKETS: @tx_packets filled
312 enum station_info_flags {
313 STATION_INFO_INACTIVE_TIME = 1<<0,
314 STATION_INFO_RX_BYTES = 1<<1,
315 STATION_INFO_TX_BYTES = 1<<2,
316 STATION_INFO_LLID = 1<<3,
317 STATION_INFO_PLID = 1<<4,
318 STATION_INFO_PLINK_STATE = 1<<5,
319 STATION_INFO_SIGNAL = 1<<6,
320 STATION_INFO_TX_BITRATE = 1<<7,
321 STATION_INFO_RX_PACKETS = 1<<8,
322 STATION_INFO_TX_PACKETS = 1<<9,
326 * enum station_info_rate_flags - bitrate info flags
328 * Used by the driver to indicate the specific rate transmission
329 * type for 802.11n transmissions.
331 * @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled
332 * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission
333 * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
335 enum rate_info_flags {
336 RATE_INFO_FLAGS_MCS = 1<<0,
337 RATE_INFO_FLAGS_40_MHZ_WIDTH = 1<<1,
338 RATE_INFO_FLAGS_SHORT_GI = 1<<2,
342 * struct rate_info - bitrate information
344 * Information about a receiving or transmitting bitrate
346 * @flags: bitflag of flags from &enum rate_info_flags
347 * @mcs: mcs index if struct describes a 802.11n bitrate
348 * @legacy: bitrate in 100kbit/s for 802.11abg
357 * struct station_info - station information
359 * Station information filled by driver for get_station() and dump_station.
361 * @filled: bitflag of flags from &enum station_info_flags
362 * @inactive_time: time since last station activity (tx/rx) in milliseconds
363 * @rx_bytes: bytes received from this station
364 * @tx_bytes: bytes transmitted to this station
365 * @llid: mesh local link id
366 * @plid: mesh peer link id
367 * @plink_state: mesh peer link state
368 * @signal: signal strength of last received packet in dBm
369 * @txrate: current unicast bitrate to this station
370 * @rx_packets: packets received from this station
371 * @tx_packets: packets transmitted to this station
373 struct station_info {
382 struct rate_info txrate;
388 * enum monitor_flags - monitor flags
390 * Monitor interface configuration flags. Note that these must be the bits
391 * according to the nl80211 flags.
393 * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS
394 * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP
395 * @MONITOR_FLAG_CONTROL: pass control frames
396 * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering
397 * @MONITOR_FLAG_COOK_FRAMES: report frames after processing
400 MONITOR_FLAG_FCSFAIL = 1<<NL80211_MNTR_FLAG_FCSFAIL,
401 MONITOR_FLAG_PLCPFAIL = 1<<NL80211_MNTR_FLAG_PLCPFAIL,
402 MONITOR_FLAG_CONTROL = 1<<NL80211_MNTR_FLAG_CONTROL,
403 MONITOR_FLAG_OTHER_BSS = 1<<NL80211_MNTR_FLAG_OTHER_BSS,
404 MONITOR_FLAG_COOK_FRAMES = 1<<NL80211_MNTR_FLAG_COOK_FRAMES,
408 * enum mpath_info_flags - mesh path information flags
410 * Used by the driver to indicate which info in &struct mpath_info it has filled
411 * in during get_station() or dump_station().
413 * MPATH_INFO_FRAME_QLEN: @frame_qlen filled
414 * MPATH_INFO_DSN: @dsn filled
415 * MPATH_INFO_METRIC: @metric filled
416 * MPATH_INFO_EXPTIME: @exptime filled
417 * MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled
418 * MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled
419 * MPATH_INFO_FLAGS: @flags filled
421 enum mpath_info_flags {
422 MPATH_INFO_FRAME_QLEN = BIT(0),
423 MPATH_INFO_DSN = BIT(1),
424 MPATH_INFO_METRIC = BIT(2),
425 MPATH_INFO_EXPTIME = BIT(3),
426 MPATH_INFO_DISCOVERY_TIMEOUT = BIT(4),
427 MPATH_INFO_DISCOVERY_RETRIES = BIT(5),
428 MPATH_INFO_FLAGS = BIT(6),
432 * struct mpath_info - mesh path information
434 * Mesh path information filled by driver for get_mpath() and dump_mpath().
436 * @filled: bitfield of flags from &enum mpath_info_flags
437 * @frame_qlen: number of queued frames for this destination
438 * @dsn: destination sequence number
439 * @metric: metric (cost) of this mesh path
440 * @exptime: expiration time for the mesh path from now, in msecs
441 * @flags: mesh path flags
442 * @discovery_timeout: total mesh path discovery timeout, in msecs
443 * @discovery_retries: mesh path discovery retries
451 u32 discovery_timeout;
452 u8 discovery_retries;
457 * struct bss_parameters - BSS parameters
459 * Used to change BSS parameters (mainly for AP mode).
461 * @use_cts_prot: Whether to use CTS protection
462 * (0 = no, 1 = yes, -1 = do not change)
463 * @use_short_preamble: Whether the use of short preambles is allowed
464 * (0 = no, 1 = yes, -1 = do not change)
465 * @use_short_slot_time: Whether the use of short slot time is allowed
466 * (0 = no, 1 = yes, -1 = do not change)
467 * @basic_rates: basic rates in IEEE 802.11 format
468 * (or NULL for no change)
469 * @basic_rates_len: number of basic rates
471 struct bss_parameters {
473 int use_short_preamble;
474 int use_short_slot_time;
481 /* Mesh plink management parameters */
482 u16 dot11MeshRetryTimeout;
483 u16 dot11MeshConfirmTimeout;
484 u16 dot11MeshHoldingTimeout;
485 u16 dot11MeshMaxPeerLinks;
486 u8 dot11MeshMaxRetries;
488 bool auto_open_plinks;
489 /* HWMP parameters */
490 u8 dot11MeshHWMPmaxPREQretries;
491 u32 path_refresh_time;
492 u16 min_discovery_timeout;
493 u32 dot11MeshHWMPactivePathTimeout;
494 u16 dot11MeshHWMPpreqMinInterval;
495 u16 dot11MeshHWMPnetDiameterTraversalTime;
499 * struct ieee80211_txq_params - TX queue parameters
500 * @queue: TX queue identifier (NL80211_TXQ_Q_*)
501 * @txop: Maximum burst time in units of 32 usecs, 0 meaning disabled
502 * @cwmin: Minimum contention window [a value of the form 2^n-1 in the range
504 * @cwmax: Maximum contention window [a value of the form 2^n-1 in the range
506 * @aifs: Arbitration interframe space [0..255]
508 struct ieee80211_txq_params {
509 enum nl80211_txq_q queue;
516 /* from net/wireless.h */
519 /* from net/ieee80211.h */
520 struct ieee80211_channel;
523 * struct cfg80211_ssid - SSID description
525 * @ssid_len: length of the ssid
527 struct cfg80211_ssid {
528 u8 ssid[IEEE80211_MAX_SSID_LEN];
533 * struct cfg80211_scan_request - scan request description
535 * @ssids: SSIDs to scan for (active scan only)
536 * @n_ssids: number of SSIDs
537 * @channels: channels to scan on.
538 * @n_channels: number of channels for each band
539 * @ie: optional information element(s) to add into Probe Request or %NULL
540 * @ie_len: length of ie in octets
541 * @wiphy: the wiphy this was for
542 * @ifidx: the interface index
544 struct cfg80211_scan_request {
545 struct cfg80211_ssid *ssids;
547 struct ieee80211_channel **channels;
558 * enum cfg80211_signal_type - signal type
560 * @CFG80211_SIGNAL_TYPE_NONE: no signal strength information available
561 * @CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm)
562 * @CFG80211_SIGNAL_TYPE_UNSPEC: signal strength, increasing from 0 through 100
564 enum cfg80211_signal_type {
565 CFG80211_SIGNAL_TYPE_NONE,
566 CFG80211_SIGNAL_TYPE_MBM,
567 CFG80211_SIGNAL_TYPE_UNSPEC,
571 * struct cfg80211_bss - BSS description
573 * This structure describes a BSS (which may also be a mesh network)
574 * for use in scan results and similar.
576 * @bssid: BSSID of the BSS
577 * @tsf: timestamp of last received update
578 * @beacon_interval: the beacon interval as from the frame
579 * @capability: the capability field in host byte order
580 * @information_elements: the information elements (Note that there
581 * is no guarantee that these are well-formed!)
582 * @len_information_elements: total length of the information elements
583 * @signal: signal strength value (type depends on the wiphy's signal_type)
584 * @hold: BSS should not expire
585 * @free_priv: function pointer to free private data
586 * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes
588 struct cfg80211_bss {
589 struct ieee80211_channel *channel;
595 u8 *information_elements;
596 size_t len_information_elements;
600 void (*free_priv)(struct cfg80211_bss *bss);
601 u8 priv[0] __attribute__((__aligned__(sizeof(void *))));
605 * struct cfg80211_auth_request - Authentication request data
607 * This structure provides information needed to complete IEEE 802.11
609 * NOTE: This structure will likely change when more code from mac80211 is
610 * moved into cfg80211 so that non-mac80211 drivers can benefit from it, too.
611 * Before using this in a driver that does not use mac80211, it would be better
612 * to check the status of that work and better yet, volunteer to work on it.
614 * @chan: The channel to use or %NULL if not specified (auto-select based on
616 * @peer_addr: The address of the peer STA (AP BSSID in infrastructure case);
617 * this field is required to be present; if the driver wants to help with
618 * BSS selection, it should use (yet to be added) MLME event to allow user
619 * space SME to be notified of roaming candidate, so that the SME can then
620 * use the authentication request with the recommended BSSID and whatever
621 * other data may be needed for authentication/association
622 * @ssid: SSID or %NULL if not yet available
623 * @ssid_len: Length of ssid in octets
624 * @auth_type: Authentication type (algorithm)
625 * @ie: Extra IEs to add to Authentication frame or %NULL
626 * @ie_len: Length of ie buffer in octets
628 struct cfg80211_auth_request {
629 struct ieee80211_channel *chan;
633 enum nl80211_auth_type auth_type;
639 * struct cfg80211_assoc_request - (Re)Association request data
641 * This structure provides information needed to complete IEEE 802.11
643 * NOTE: This structure will likely change when more code from mac80211 is
644 * moved into cfg80211 so that non-mac80211 drivers can benefit from it, too.
645 * Before using this in a driver that does not use mac80211, it would be better
646 * to check the status of that work and better yet, volunteer to work on it.
648 * @chan: The channel to use or %NULL if not specified (auto-select based on
650 * @peer_addr: The address of the peer STA (AP BSSID); this field is required
651 * to be present and the STA must be in State 2 (authenticated) with the
654 * @ssid_len: Length of ssid in octets
655 * @ie: Extra IEs to add to (Re)Association Request frame or %NULL
656 * @ie_len: Length of ie buffer in octets
657 * @use_mfp: Use management frame protection (IEEE 802.11w) in this association
658 * @control_port: Whether user space controls IEEE 802.1X port, i.e.,
659 * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
660 * required to assume that the port is unauthorized until authorized by
661 * user space. Otherwise, port is marked authorized by default.
663 struct cfg80211_assoc_request {
664 struct ieee80211_channel *chan;
675 * struct cfg80211_deauth_request - Deauthentication request data
677 * This structure provides information needed to complete IEEE 802.11
680 * @peer_addr: The address of the peer STA (AP BSSID); this field is required
681 * to be present and the STA must be authenticated with the peer STA
682 * @ie: Extra IEs to add to Deauthentication frame or %NULL
683 * @ie_len: Length of ie buffer in octets
685 struct cfg80211_deauth_request {
693 * struct cfg80211_disassoc_request - Disassociation request data
695 * This structure provides information needed to complete IEEE 802.11
698 * @peer_addr: The address of the peer STA (AP BSSID); this field is required
699 * to be present and the STA must be associated with the peer STA
700 * @ie: Extra IEs to add to Disassociation frame or %NULL
701 * @ie_len: Length of ie buffer in octets
703 struct cfg80211_disassoc_request {
711 * struct cfg80211_ibss_params - IBSS parameters
713 * This structure defines the IBSS parameters for the join_ibss()
716 * @ssid: The SSID, will always be non-null.
717 * @ssid_len: The length of the SSID, will always be non-zero.
718 * @bssid: Fixed BSSID requested, maybe be %NULL, if set do not
719 * search for IBSSs with a different BSSID.
720 * @channel: The channel to use if no IBSS can be found to join.
721 * @channel_fixed: The channel should be fixed -- do not search for
722 * IBSSs to join on other channels.
723 * @ie: information element(s) to include in the beacon
724 * @ie_len: length of that
725 * @beacon_interval: beacon interval to use
727 struct cfg80211_ibss_params {
730 struct ieee80211_channel *channel;
738 * enum wiphy_params_flags - set_wiphy_params bitfield values
739 * WIPHY_PARAM_RETRY_SHORT: wiphy->retry_short has changed
740 * WIPHY_PARAM_RETRY_LONG: wiphy->retry_long has changed
741 * WIPHY_PARAM_FRAG_THRESHOLD: wiphy->frag_threshold has changed
742 * WIPHY_PARAM_RTS_THRESHOLD: wiphy->rts_threshold has changed
744 enum wiphy_params_flags {
745 WIPHY_PARAM_RETRY_SHORT = 1 << 0,
746 WIPHY_PARAM_RETRY_LONG = 1 << 1,
747 WIPHY_PARAM_FRAG_THRESHOLD = 1 << 2,
748 WIPHY_PARAM_RTS_THRESHOLD = 1 << 3,
752 * struct cfg80211_ops - backend description for wireless configuration
754 * This struct is registered by fullmac card drivers and/or wireless stacks
755 * in order to handle configuration requests on their interfaces.
757 * All callbacks except where otherwise noted should return 0
758 * on success or a negative error code.
760 * All operations are currently invoked under rtnl for consistency with the
761 * wireless extensions but this is subject to reevaluation as soon as this
762 * code is used more widely and we have a first user without wext.
764 * @suspend: wiphy device needs to be suspended
765 * @resume: wiphy device needs to be resumed
767 * @add_virtual_intf: create a new virtual interface with the given name,
768 * must set the struct wireless_dev's iftype.
770 * @del_virtual_intf: remove the virtual interface determined by ifindex.
772 * @change_virtual_intf: change type/configuration of virtual interface,
773 * keep the struct wireless_dev's iftype updated.
775 * @add_key: add a key with the given parameters. @mac_addr will be %NULL
776 * when adding a group key.
778 * @get_key: get information about the key with the given parameters.
779 * @mac_addr will be %NULL when requesting information for a group
780 * key. All pointers given to the @callback function need not be valid
783 * @del_key: remove a key given the @mac_addr (%NULL for a group key)
786 * @set_default_key: set the default key on an interface
788 * @set_default_mgmt_key: set the default management frame key on an interface
790 * @add_beacon: Add a beacon with given parameters, @head, @interval
791 * and @dtim_period will be valid, @tail is optional.
792 * @set_beacon: Change the beacon parameters for an access point mode
793 * interface. This should reject the call when no beacon has been
795 * @del_beacon: Remove beacon configuration and stop sending the beacon.
797 * @add_station: Add a new station.
799 * @del_station: Remove a station; @mac may be NULL to remove all stations.
801 * @change_station: Modify a given station.
803 * @get_mesh_params: Put the current mesh parameters into *params
805 * @set_mesh_params: Set mesh parameters.
806 * The mask is a bitfield which tells us which parameters to
807 * set, and which to leave alone.
809 * @set_mesh_cfg: set mesh parameters (by now, just mesh id)
811 * @change_bss: Modify parameters for a given BSS.
813 * @set_txq_params: Set TX queue parameters
815 * @set_channel: Set channel
817 * @scan: Request to do a scan. If returning zero, the scan request is given
818 * the driver, and will be valid until passed to cfg80211_scan_done().
819 * For scan results, call cfg80211_inform_bss(); you can call this outside
820 * the scan/scan_done bracket too.
822 * @auth: Request to authenticate with the specified peer
823 * @assoc: Request to (re)associate with the specified peer
824 * @deauth: Request to deauthenticate from the specified peer
825 * @disassoc: Request to disassociate from the specified peer
827 * @join_ibss: Join the specified IBSS (or create if necessary). Once done, call
828 * cfg80211_ibss_joined(), also call that function when changing BSSID due
830 * @leave_ibss: Leave the IBSS.
832 * @set_wiphy_params: Notify that wiphy parameters have changed;
833 * @changed bitfield (see &enum wiphy_params_flags) describes which values
834 * have changed. The actual parameter values are available in
835 * struct wiphy. If returning an error, no value should be changed.
837 struct cfg80211_ops {
838 int (*suspend)(struct wiphy *wiphy);
839 int (*resume)(struct wiphy *wiphy);
841 int (*add_virtual_intf)(struct wiphy *wiphy, char *name,
842 enum nl80211_iftype type, u32 *flags,
843 struct vif_params *params);
844 int (*del_virtual_intf)(struct wiphy *wiphy, int ifindex);
845 int (*change_virtual_intf)(struct wiphy *wiphy, int ifindex,
846 enum nl80211_iftype type, u32 *flags,
847 struct vif_params *params);
849 int (*add_key)(struct wiphy *wiphy, struct net_device *netdev,
850 u8 key_index, const u8 *mac_addr,
851 struct key_params *params);
852 int (*get_key)(struct wiphy *wiphy, struct net_device *netdev,
853 u8 key_index, const u8 *mac_addr, void *cookie,
854 void (*callback)(void *cookie, struct key_params*));
855 int (*del_key)(struct wiphy *wiphy, struct net_device *netdev,
856 u8 key_index, const u8 *mac_addr);
857 int (*set_default_key)(struct wiphy *wiphy,
858 struct net_device *netdev,
860 int (*set_default_mgmt_key)(struct wiphy *wiphy,
861 struct net_device *netdev,
864 int (*add_beacon)(struct wiphy *wiphy, struct net_device *dev,
865 struct beacon_parameters *info);
866 int (*set_beacon)(struct wiphy *wiphy, struct net_device *dev,
867 struct beacon_parameters *info);
868 int (*del_beacon)(struct wiphy *wiphy, struct net_device *dev);
871 int (*add_station)(struct wiphy *wiphy, struct net_device *dev,
872 u8 *mac, struct station_parameters *params);
873 int (*del_station)(struct wiphy *wiphy, struct net_device *dev,
875 int (*change_station)(struct wiphy *wiphy, struct net_device *dev,
876 u8 *mac, struct station_parameters *params);
877 int (*get_station)(struct wiphy *wiphy, struct net_device *dev,
878 u8 *mac, struct station_info *sinfo);
879 int (*dump_station)(struct wiphy *wiphy, struct net_device *dev,
880 int idx, u8 *mac, struct station_info *sinfo);
882 int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev,
883 u8 *dst, u8 *next_hop);
884 int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev,
886 int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev,
887 u8 *dst, u8 *next_hop);
888 int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev,
889 u8 *dst, u8 *next_hop,
890 struct mpath_info *pinfo);
891 int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev,
892 int idx, u8 *dst, u8 *next_hop,
893 struct mpath_info *pinfo);
894 int (*get_mesh_params)(struct wiphy *wiphy,
895 struct net_device *dev,
896 struct mesh_config *conf);
897 int (*set_mesh_params)(struct wiphy *wiphy,
898 struct net_device *dev,
899 const struct mesh_config *nconf, u32 mask);
900 int (*change_bss)(struct wiphy *wiphy, struct net_device *dev,
901 struct bss_parameters *params);
903 int (*set_txq_params)(struct wiphy *wiphy,
904 struct ieee80211_txq_params *params);
906 int (*set_channel)(struct wiphy *wiphy,
907 struct ieee80211_channel *chan,
908 enum nl80211_channel_type channel_type);
910 int (*scan)(struct wiphy *wiphy, struct net_device *dev,
911 struct cfg80211_scan_request *request);
913 int (*auth)(struct wiphy *wiphy, struct net_device *dev,
914 struct cfg80211_auth_request *req);
915 int (*assoc)(struct wiphy *wiphy, struct net_device *dev,
916 struct cfg80211_assoc_request *req);
917 int (*deauth)(struct wiphy *wiphy, struct net_device *dev,
918 struct cfg80211_deauth_request *req);
919 int (*disassoc)(struct wiphy *wiphy, struct net_device *dev,
920 struct cfg80211_disassoc_request *req);
922 int (*join_ibss)(struct wiphy *wiphy, struct net_device *dev,
923 struct cfg80211_ibss_params *params);
924 int (*leave_ibss)(struct wiphy *wiphy, struct net_device *dev);
926 int (*set_wiphy_params)(struct wiphy *wiphy, u32 changed);
930 * wireless hardware and networking interfaces structures
931 * and registration/helper functions
935 * struct wiphy - wireless hardware description
936 * @idx: the wiphy index assigned to this item
937 * @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
938 * @custom_regulatory: tells us the driver for this device
939 * has its own custom regulatory domain and cannot identify the
940 * ISO / IEC 3166 alpha2 it belongs to. When this is enabled
941 * we will disregard the first regulatory hint (when the
942 * initiator is %REGDOM_SET_BY_CORE).
943 * @strict_regulatory: tells us the driver for this device will ignore
944 * regulatory domain settings until it gets its own regulatory domain
945 * via its regulatory_hint(). After its gets its own regulatory domain
946 * it will only allow further regulatory domain settings to further
947 * enhance compliance. For example if channel 13 and 14 are disabled
948 * by this regulatory domain no user regulatory domain can enable these
949 * channels at a later time. This can be used for devices which do not
950 * have calibration information gauranteed for frequencies or settings
951 * outside of its regulatory domain.
952 * @reg_notifier: the driver's regulatory notification callback
953 * @regd: the driver's regulatory domain, if one was requested via
954 * the regulatory_hint() API. This can be used by the driver
955 * on the reg_notifier() if it chooses to ignore future
956 * regulatory domain changes caused by other drivers.
957 * @signal_type: signal type reported in &struct cfg80211_bss.
958 * @cipher_suites: supported cipher suites
959 * @n_cipher_suites: number of supported cipher suites
960 * @retry_short: Retry limit for short frames (dot11ShortRetryLimit)
961 * @retry_long: Retry limit for long frames (dot11LongRetryLimit)
962 * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold);
963 * -1 = fragmentation disabled, only odd values >= 256 used
964 * @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled
967 /* assign these fields before you register the wiphy */
969 /* permanent MAC address */
970 u8 perm_addr[ETH_ALEN];
972 /* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
975 bool custom_regulatory;
976 bool strict_regulatory;
978 enum cfg80211_signal_type signal_type;
985 const u32 *cipher_suites;
992 /* If multiple wiphys are registered and you're handed e.g.
993 * a regular netdev with assigned ieee80211_ptr, you won't
994 * know whether it points to a wiphy your driver has registered
995 * or not. Assign this to something global to your driver to
996 * help determine whether you own this wiphy or not. */
999 struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS];
1001 /* Lets us get back the wiphy on the callback */
1002 int (*reg_notifier)(struct wiphy *wiphy,
1003 struct regulatory_request *request);
1005 /* fields below are read-only, assigned by cfg80211 */
1007 const struct ieee80211_regdomain *regd;
1009 /* the item in /sys/class/ieee80211/ points to this,
1010 * you need use set_wiphy_dev() (see below) */
1013 /* dir in debugfs: ieee80211/<wiphyname> */
1014 struct dentry *debugfsdir;
1016 char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
1020 * wiphy_priv - return priv from wiphy
1022 * @wiphy: the wiphy whose priv pointer to return
1024 static inline void *wiphy_priv(struct wiphy *wiphy)
1027 return &wiphy->priv;
1031 * set_wiphy_dev - set device pointer for wiphy
1033 * @wiphy: The wiphy whose device to bind
1034 * @dev: The device to parent it to
1036 static inline void set_wiphy_dev(struct wiphy *wiphy, struct device *dev)
1038 wiphy->dev.parent = dev;
1042 * wiphy_dev - get wiphy dev pointer
1044 * @wiphy: The wiphy whose device struct to look up
1046 static inline struct device *wiphy_dev(struct wiphy *wiphy)
1048 return wiphy->dev.parent;
1052 * wiphy_name - get wiphy name
1054 * @wiphy: The wiphy whose name to return
1056 static inline const char *wiphy_name(struct wiphy *wiphy)
1058 return dev_name(&wiphy->dev);
1062 * wiphy_new - create a new wiphy for use with cfg80211
1064 * @ops: The configuration operations for this device
1065 * @sizeof_priv: The size of the private area to allocate
1067 * Create a new wiphy and associate the given operations with it.
1068 * @sizeof_priv bytes are allocated for private use.
1070 * The returned pointer must be assigned to each netdev's
1071 * ieee80211_ptr for proper operation.
1073 struct wiphy *wiphy_new(struct cfg80211_ops *ops, int sizeof_priv);
1076 * wiphy_register - register a wiphy with cfg80211
1078 * @wiphy: The wiphy to register.
1080 * Returns a non-negative wiphy index or a negative error code.
1082 extern int wiphy_register(struct wiphy *wiphy);
1085 * wiphy_unregister - deregister a wiphy from cfg80211
1087 * @wiphy: The wiphy to unregister.
1089 * After this call, no more requests can be made with this priv
1090 * pointer, but the call may sleep to wait for an outstanding
1091 * request that is being handled.
1093 extern void wiphy_unregister(struct wiphy *wiphy);
1096 * wiphy_free - free wiphy
1098 * @wiphy: The wiphy to free
1100 extern void wiphy_free(struct wiphy *wiphy);
1103 * struct wireless_dev - wireless per-netdev state
1105 * This structure must be allocated by the driver/stack
1106 * that uses the ieee80211_ptr field in struct net_device
1107 * (this is intentional so it can be allocated along with
1110 * @wiphy: pointer to hardware description
1111 * @iftype: interface type
1112 * @list: (private) Used to collect the interfaces
1113 * @netdev: (private) Used to reference back to the netdev
1114 * @current_bss: (private) Used by the internal configuration code
1115 * @bssid: (private) Used by the internal configuration code
1116 * @ssid: (private) Used by the internal configuration code
1117 * @ssid_len: (private) Used by the internal configuration code
1118 * @wext: (private) Used by the internal wireless extensions compat code
1119 * @wext_bssid: (private) Used by the internal wireless extensions compat code
1121 struct wireless_dev {
1122 struct wiphy *wiphy;
1123 enum nl80211_iftype iftype;
1125 /* private to the generic wireless code */
1126 struct list_head list;
1127 struct net_device *netdev;
1129 /* currently used for IBSS - might be rearranged in the future */
1130 struct cfg80211_bss *current_bss;
1132 u8 ssid[IEEE80211_MAX_SSID_LEN];
1135 #ifdef CONFIG_WIRELESS_EXT
1138 struct cfg80211_ibss_params ibss;
1140 s8 default_key, default_mgmt_key;
1146 * wdev_priv - return wiphy priv from wireless_dev
1148 * @wdev: The wireless device whose wiphy's priv pointer to return
1150 static inline void *wdev_priv(struct wireless_dev *wdev)
1153 return wiphy_priv(wdev->wiphy);
1161 * ieee80211_channel_to_frequency - convert channel number to frequency
1163 extern int ieee80211_channel_to_frequency(int chan);
1166 * ieee80211_frequency_to_channel - convert frequency to channel number
1168 extern int ieee80211_frequency_to_channel(int freq);
1171 * Name indirection necessary because the ieee80211 code also has
1172 * a function named "ieee80211_get_channel", so if you include
1173 * cfg80211's header file you get cfg80211's version, if you try
1174 * to include both header files you'll (rightfully!) get a symbol
1177 extern struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy,
1180 * ieee80211_get_channel - get channel struct from wiphy for specified frequency
1182 static inline struct ieee80211_channel *
1183 ieee80211_get_channel(struct wiphy *wiphy, int freq)
1185 return __ieee80211_get_channel(wiphy, freq);
1189 * ieee80211_get_response_rate - get basic rate for a given rate
1191 * @sband: the band to look for rates in
1192 * @basic_rates: bitmap of basic rates
1193 * @bitrate: the bitrate for which to find the basic rate
1195 * This function returns the basic rate corresponding to a given
1196 * bitrate, that is the next lower bitrate contained in the basic
1197 * rate map, which is, for this function, given as a bitmap of
1198 * indices of rates in the band's bitrate table.
1200 struct ieee80211_rate *
1201 ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
1202 u32 basic_rates, int bitrate);
1205 * Radiotap parsing functions -- for controlled injection support
1207 * Implemented in net/wireless/radiotap.c
1208 * Documentation in Documentation/networking/radiotap-headers.txt
1212 * struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
1213 * @rtheader: pointer to the radiotap header we are walking through
1214 * @max_length: length of radiotap header in cpu byte ordering
1215 * @this_arg_index: IEEE80211_RADIOTAP_... index of current arg
1216 * @this_arg: pointer to current radiotap arg
1217 * @arg_index: internal next argument index
1218 * @arg: internal next argument pointer
1219 * @next_bitmap: internal pointer to next present u32
1220 * @bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
1223 struct ieee80211_radiotap_iterator {
1224 struct ieee80211_radiotap_header *rtheader;
1231 __le32 *next_bitmap;
1235 extern int ieee80211_radiotap_iterator_init(
1236 struct ieee80211_radiotap_iterator *iterator,
1237 struct ieee80211_radiotap_header *radiotap_header,
1240 extern int ieee80211_radiotap_iterator_next(
1241 struct ieee80211_radiotap_iterator *iterator);
1244 * Regulatory helper functions for wiphys
1248 * regulatory_hint - driver hint to the wireless core a regulatory domain
1249 * @wiphy: the wireless device giving the hint (used only for reporting
1251 * @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain
1252 * should be in. If @rd is set this should be NULL. Note that if you
1253 * set this to NULL you should still set rd->alpha2 to some accepted
1256 * Wireless drivers can use this function to hint to the wireless core
1257 * what it believes should be the current regulatory domain by
1258 * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory
1259 * domain should be in or by providing a completely build regulatory domain.
1260 * If the driver provides an ISO/IEC 3166 alpha2 userspace will be queried
1261 * for a regulatory domain structure for the respective country.
1263 * The wiphy must have been registered to cfg80211 prior to this call.
1264 * For cfg80211 drivers this means you must first use wiphy_register(),
1265 * for mac80211 drivers you must first use ieee80211_register_hw().
1267 * Drivers should check the return value, its possible you can get
1270 extern int regulatory_hint(struct wiphy *wiphy, const char *alpha2);
1273 * regulatory_hint_11d - hints a country IE as a regulatory domain
1274 * @wiphy: the wireless device giving the hint (used only for reporting
1276 * @country_ie: pointer to the country IE
1277 * @country_ie_len: length of the country IE
1279 * We will intersect the rd with the what CRDA tells us should apply
1280 * for the alpha2 this country IE belongs to, this prevents APs from
1281 * sending us incorrect or outdated information against a country.
1283 extern void regulatory_hint_11d(struct wiphy *wiphy,
1287 * wiphy_apply_custom_regulatory - apply a custom driver regulatory domain
1288 * @wiphy: the wireless device we want to process the regulatory domain on
1289 * @regd: the custom regulatory domain to use for this wiphy
1291 * Drivers can sometimes have custom regulatory domains which do not apply
1292 * to a specific country. Drivers can use this to apply such custom regulatory
1293 * domains. This routine must be called prior to wiphy registration. The
1294 * custom regulatory domain will be trusted completely and as such previous
1295 * default channel settings will be disregarded. If no rule is found for a
1296 * channel on the regulatory domain the channel will be disabled.
1298 extern void wiphy_apply_custom_regulatory(
1299 struct wiphy *wiphy,
1300 const struct ieee80211_regdomain *regd);
1303 * freq_reg_info - get regulatory information for the given frequency
1304 * @wiphy: the wiphy for which we want to process this rule for
1305 * @center_freq: Frequency in KHz for which we want regulatory information for
1306 * @bandwidth: the bandwidth requirement you have in KHz, if you do not have one
1307 * you can set this to 0. If this frequency is allowed we then set
1308 * this value to the maximum allowed bandwidth.
1309 * @reg_rule: the regulatory rule which we have for this frequency
1311 * Use this function to get the regulatory rule for a specific frequency on
1312 * a given wireless device. If the device has a specific regulatory domain
1313 * it wants to follow we respect that unless a country IE has been received
1314 * and processed already.
1316 * Returns 0 if it was able to find a valid regulatory rule which does
1317 * apply to the given center_freq otherwise it returns non-zero. It will
1318 * also return -ERANGE if we determine the given center_freq does not even have
1319 * a regulatory rule for a frequency range in the center_freq's band. See
1320 * freq_in_rule_band() for our current definition of a band -- this is purely
1321 * subjective and right now its 802.11 specific.
1323 extern int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,
1324 const struct ieee80211_reg_rule **reg_rule);
1327 * Temporary wext handlers & helper functions
1329 * In the future cfg80211 will simply assign the entire wext handler
1330 * structure to netdevs it manages, but we're not there yet.
1332 int cfg80211_wext_giwname(struct net_device *dev,
1333 struct iw_request_info *info,
1334 char *name, char *extra);
1335 int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
1336 u32 *mode, char *extra);
1337 int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
1338 u32 *mode, char *extra);
1339 int cfg80211_wext_siwscan(struct net_device *dev,
1340 struct iw_request_info *info,
1341 union iwreq_data *wrqu, char *extra);
1342 int cfg80211_wext_giwscan(struct net_device *dev,
1343 struct iw_request_info *info,
1344 struct iw_point *data, char *extra);
1345 int cfg80211_wext_siwmlme(struct net_device *dev,
1346 struct iw_request_info *info,
1347 struct iw_point *data, char *extra);
1348 int cfg80211_wext_giwrange(struct net_device *dev,
1349 struct iw_request_info *info,
1350 struct iw_point *data, char *extra);
1351 int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
1352 struct iw_request_info *info,
1353 struct iw_freq *freq, char *extra);
1354 int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
1355 struct iw_request_info *info,
1356 struct iw_freq *freq, char *extra);
1357 int cfg80211_ibss_wext_siwessid(struct net_device *dev,
1358 struct iw_request_info *info,
1359 struct iw_point *data, char *ssid);
1360 int cfg80211_ibss_wext_giwessid(struct net_device *dev,
1361 struct iw_request_info *info,
1362 struct iw_point *data, char *ssid);
1363 int cfg80211_ibss_wext_siwap(struct net_device *dev,
1364 struct iw_request_info *info,
1365 struct sockaddr *ap_addr, char *extra);
1366 int cfg80211_ibss_wext_giwap(struct net_device *dev,
1367 struct iw_request_info *info,
1368 struct sockaddr *ap_addr, char *extra);
1370 struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy,
1371 struct iw_freq *freq);
1373 int cfg80211_wext_siwrts(struct net_device *dev,
1374 struct iw_request_info *info,
1375 struct iw_param *rts, char *extra);
1376 int cfg80211_wext_giwrts(struct net_device *dev,
1377 struct iw_request_info *info,
1378 struct iw_param *rts, char *extra);
1379 int cfg80211_wext_siwfrag(struct net_device *dev,
1380 struct iw_request_info *info,
1381 struct iw_param *frag, char *extra);
1382 int cfg80211_wext_giwfrag(struct net_device *dev,
1383 struct iw_request_info *info,
1384 struct iw_param *frag, char *extra);
1385 int cfg80211_wext_siwretry(struct net_device *dev,
1386 struct iw_request_info *info,
1387 struct iw_param *retry, char *extra);
1388 int cfg80211_wext_giwretry(struct net_device *dev,
1389 struct iw_request_info *info,
1390 struct iw_param *retry, char *extra);
1391 int cfg80211_wext_siwencodeext(struct net_device *dev,
1392 struct iw_request_info *info,
1393 struct iw_point *erq, char *extra);
1394 int cfg80211_wext_siwencode(struct net_device *dev,
1395 struct iw_request_info *info,
1396 struct iw_point *erq, char *keybuf);
1397 int cfg80211_wext_giwencode(struct net_device *dev,
1398 struct iw_request_info *info,
1399 struct iw_point *erq, char *keybuf);
1402 * callbacks for asynchronous cfg80211 methods, notification
1403 * functions and BSS handling helpers
1407 * cfg80211_scan_done - notify that scan finished
1409 * @request: the corresponding scan request
1410 * @aborted: set to true if the scan was aborted for any reason,
1411 * userspace will be notified of that
1413 void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted);
1416 * cfg80211_inform_bss - inform cfg80211 of a new BSS
1418 * @wiphy: the wiphy reporting the BSS
1419 * @bss: the found BSS
1420 * @signal: the signal strength, type depends on the wiphy's signal_type
1421 * @gfp: context flags
1423 * This informs cfg80211 that BSS information was found and
1424 * the BSS should be updated/added.
1426 struct cfg80211_bss*
1427 cfg80211_inform_bss_frame(struct wiphy *wiphy,
1428 struct ieee80211_channel *channel,
1429 struct ieee80211_mgmt *mgmt, size_t len,
1430 s32 signal, gfp_t gfp);
1432 struct cfg80211_bss*
1433 cfg80211_inform_bss(struct wiphy *wiphy,
1434 struct ieee80211_channel *channel,
1436 u64 timestamp, u16 capability, u16 beacon_interval,
1437 const u8 *ie, size_t ielen,
1438 s32 signal, gfp_t gfp);
1440 struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
1441 struct ieee80211_channel *channel,
1443 const u8 *ssid, size_t ssid_len,
1444 u16 capa_mask, u16 capa_val);
1445 static inline struct cfg80211_bss *
1446 cfg80211_get_ibss(struct wiphy *wiphy,
1447 struct ieee80211_channel *channel,
1448 const u8 *ssid, size_t ssid_len)
1450 return cfg80211_get_bss(wiphy, channel, NULL, ssid, ssid_len,
1451 WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS);
1454 struct cfg80211_bss *cfg80211_get_mesh(struct wiphy *wiphy,
1455 struct ieee80211_channel *channel,
1456 const u8 *meshid, size_t meshidlen,
1458 void cfg80211_put_bss(struct cfg80211_bss *bss);
1461 * cfg80211_unlink_bss - unlink BSS from internal data structures
1463 * @bss: the bss to remove
1465 * This function removes the given BSS from the internal data structures
1466 * thereby making it no longer show up in scan results etc. Use this
1467 * function when you detect a BSS is gone. Normally BSSes will also time
1468 * out, so it is not necessary to use this function at all.
1470 void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
1473 * cfg80211_send_rx_auth - notification of processed authentication
1474 * @dev: network device
1475 * @buf: authentication frame (header + body)
1476 * @len: length of the frame data
1478 * This function is called whenever an authentication has been processed in
1479 * station mode. The driver is required to call either this function or
1480 * cfg80211_send_auth_timeout() to indicate the result of cfg80211_ops::auth()
1483 void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
1486 * cfg80211_send_auth_timeout - notification of timed out authentication
1487 * @dev: network device
1488 * @addr: The MAC address of the device with which the authentication timed out
1490 void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr);
1493 * cfg80211_send_rx_assoc - notification of processed association
1494 * @dev: network device
1495 * @buf: (re)association response frame (header + body)
1496 * @len: length of the frame data
1498 * This function is called whenever a (re)association response has been
1499 * processed in station mode. The driver is required to call either this
1500 * function or cfg80211_send_assoc_timeout() to indicate the result of
1501 * cfg80211_ops::assoc() call.
1503 void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len);
1506 * cfg80211_send_assoc_timeout - notification of timed out association
1507 * @dev: network device
1508 * @addr: The MAC address of the device with which the association timed out
1510 void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr);
1513 * cfg80211_send_deauth - notification of processed deauthentication
1514 * @dev: network device
1515 * @buf: deauthentication frame (header + body)
1516 * @len: length of the frame data
1518 * This function is called whenever deauthentication has been processed in
1519 * station mode. This includes both received deauthentication frames and
1520 * locally generated ones.
1522 void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len);
1525 * cfg80211_send_disassoc - notification of processed disassociation
1526 * @dev: network device
1527 * @buf: disassociation response frame (header + body)
1528 * @len: length of the frame data
1530 * This function is called whenever disassociation has been processed in
1531 * station mode. This includes both received disassociation frames and locally
1534 void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len);
1537 * cfg80211_hold_bss - exclude bss from expiration
1538 * @bss: bss which should not expire
1540 * In a case when the BSS is not updated but it shouldn't expire this
1541 * function can be used to mark the BSS to be excluded from expiration.
1543 void cfg80211_hold_bss(struct cfg80211_bss *bss);
1546 * cfg80211_unhold_bss - remove expiration exception from the BSS
1547 * @bss: bss which can expire again
1549 * This function marks the BSS to be expirable again.
1551 void cfg80211_unhold_bss(struct cfg80211_bss *bss);
1554 * cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP)
1555 * @dev: network device
1556 * @addr: The source MAC address of the frame
1557 * @key_type: The key type that the received frame used
1558 * @key_id: Key identifier (0..3)
1559 * @tsc: The TSC value of the frame that generated the MIC failure (6 octets)
1561 * This function is called whenever the local MAC detects a MIC failure in a
1562 * received frame. This matches with MLME-MICHAELMICFAILURE.indication()
1565 void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
1566 enum nl80211_key_type key_type, int key_id,
1570 * cfg80211_ibss_joined - notify cfg80211 that device joined an IBSS
1572 * @dev: network device
1573 * @bssid: the BSSID of the IBSS joined
1574 * @gfp: allocation flags
1576 * This function notifies cfg80211 that the device joined an IBSS or
1577 * switched to a different BSSID. Before this function can be called,
1578 * either a beacon has to have been received from the IBSS, or one of
1579 * the cfg80211_inform_bss{,_frame} functions must have been called
1580 * with the locally generated beacon -- this guarantees that there is
1581 * always a scan result for this IBSS. cfg80211 will handle the rest.
1583 void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp);
1585 #endif /* __NET_CFG80211_H */