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_HT40PLUS: extension channel above this channel
61 * @IEEE80211_CHAN_NO_HT40MINUS: 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_HT40PLUS
= 1<<4,
70 IEEE80211_CHAN_NO_HT40MINUS
= 1<<5,
73 #define IEEE80211_CHAN_NO_HT40 \
74 (IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
77 * struct ieee80211_channel - channel definition
79 * This structure describes a single channel for use
82 * @center_freq: center frequency in MHz
83 * @max_bandwidth: maximum allowed bandwidth for this channel, 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
;
103 int max_antenna_gain
;
107 int orig_mag
, orig_mpwr
;
111 * enum ieee80211_rate_flags - rate flags
113 * Hardware/specification flags for rates. These are structured
114 * in a way that allows using the same bitrate structure for
115 * different bands/PHY modes.
117 * @IEEE80211_RATE_SHORT_PREAMBLE: Hardware can send with short
118 * preamble on this bitrate; only relevant in 2.4GHz band and
120 * @IEEE80211_RATE_MANDATORY_A: This bitrate is a mandatory rate
121 * when used with 802.11a (on the 5 GHz band); filled by the
122 * core code when registering the wiphy.
123 * @IEEE80211_RATE_MANDATORY_B: This bitrate is a mandatory rate
124 * when used with 802.11b (on the 2.4 GHz band); filled by the
125 * core code when registering the wiphy.
126 * @IEEE80211_RATE_MANDATORY_G: This bitrate is a mandatory rate
127 * when used with 802.11g (on the 2.4 GHz band); filled by the
128 * core code when registering the wiphy.
129 * @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode.
131 enum ieee80211_rate_flags
{
132 IEEE80211_RATE_SHORT_PREAMBLE
= 1<<0,
133 IEEE80211_RATE_MANDATORY_A
= 1<<1,
134 IEEE80211_RATE_MANDATORY_B
= 1<<2,
135 IEEE80211_RATE_MANDATORY_G
= 1<<3,
136 IEEE80211_RATE_ERP_G
= 1<<4,
140 * struct ieee80211_rate - bitrate definition
142 * This structure describes a bitrate that an 802.11 PHY can
143 * operate with. The two values @hw_value and @hw_value_short
144 * are only for driver use when pointers to this structure are
147 * @flags: rate-specific flags
148 * @bitrate: bitrate in units of 100 Kbps
149 * @hw_value: driver/hardware value for this rate
150 * @hw_value_short: driver/hardware value for this rate when
151 * short preamble is used
153 struct ieee80211_rate
{
156 u16 hw_value
, hw_value_short
;
160 * struct ieee80211_sta_ht_cap - STA's HT capabilities
162 * This structure describes most essential parameters needed
163 * to describe 802.11n HT capabilities for an STA.
165 * @ht_supported: is HT supported by the STA
166 * @cap: HT capabilities map as described in 802.11n spec
167 * @ampdu_factor: Maximum A-MPDU length factor
168 * @ampdu_density: Minimum A-MPDU spacing
169 * @mcs: Supported MCS rates
171 struct ieee80211_sta_ht_cap
{
172 u16 cap
; /* use IEEE80211_HT_CAP_ */
176 struct ieee80211_mcs_info mcs
;
180 * struct ieee80211_supported_band - frequency band definition
182 * This structure describes a frequency band a wiphy
183 * is able to operate in.
185 * @channels: Array of channels the hardware can operate in
187 * @band: the band this structure represents
188 * @n_channels: Number of channels in @channels
189 * @bitrates: Array of bitrates the hardware can operate with
190 * in this band. Must be sorted to give a valid "supported
191 * rates" IE, i.e. CCK rates first, then OFDM.
192 * @n_bitrates: Number of bitrates in @bitrates
194 struct ieee80211_supported_band
{
195 struct ieee80211_channel
*channels
;
196 struct ieee80211_rate
*bitrates
;
197 enum ieee80211_band band
;
200 struct ieee80211_sta_ht_cap ht_cap
;
204 * Wireless hardware/device configuration structures and methods
208 * struct vif_params - describes virtual interface parameters
209 * @mesh_id: mesh ID to use
210 * @mesh_id_len: length of the mesh ID
218 * struct key_params - key information
220 * Information about a key
223 * @key_len: length of key material
224 * @cipher: cipher suite selector
225 * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used
226 * with the get_key() callback, must be in little endian,
227 * length given by @seq_len.
238 * struct beacon_parameters - beacon parameters
240 * Used to configure the beacon for an interface.
242 * @head: head portion of beacon (before TIM IE)
243 * or %NULL if not changed
244 * @tail: tail portion of beacon (after TIM IE)
245 * or %NULL if not changed
246 * @interval: beacon interval or zero if not changed
247 * @dtim_period: DTIM period or zero if not changed
248 * @head_len: length of @head
249 * @tail_len: length of @tail
251 struct beacon_parameters
{
253 int interval
, dtim_period
;
254 int head_len
, tail_len
;
258 * enum plink_action - actions to perform in mesh peers
260 * @PLINK_ACTION_INVALID: action 0 is reserved
261 * @PLINK_ACTION_OPEN: start mesh peer link establishment
262 * @PLINK_ACTION_BLOCL: block traffic from this mesh peer
265 PLINK_ACTION_INVALID
,
271 * struct station_parameters - station parameters
273 * Used to change and create a new station.
275 * @vlan: vlan interface station should belong to
276 * @supported_rates: supported rates in IEEE 802.11 format
277 * (or NULL for no change)
278 * @supported_rates_len: number of supported rates
279 * @sta_flags_mask: station flags that changed
280 * (bitmask of BIT(NL80211_STA_FLAG_...))
281 * @sta_flags_set: station flags values
282 * (bitmask of BIT(NL80211_STA_FLAG_...))
283 * @listen_interval: listen interval or -1 for no change
284 * @aid: AID or zero for no change
286 struct station_parameters
{
288 struct net_device
*vlan
;
289 u32 sta_flags_mask
, sta_flags_set
;
292 u8 supported_rates_len
;
294 struct ieee80211_ht_cap
*ht_capa
;
298 * enum station_info_flags - station information flags
300 * Used by the driver to indicate which info in &struct station_info
301 * it has filled in during get_station() or dump_station().
303 * @STATION_INFO_INACTIVE_TIME: @inactive_time filled
304 * @STATION_INFO_RX_BYTES: @rx_bytes filled
305 * @STATION_INFO_TX_BYTES: @tx_bytes filled
306 * @STATION_INFO_LLID: @llid filled
307 * @STATION_INFO_PLID: @plid filled
308 * @STATION_INFO_PLINK_STATE: @plink_state filled
309 * @STATION_INFO_SIGNAL: @signal filled
310 * @STATION_INFO_TX_BITRATE: @tx_bitrate fields are filled
311 * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
312 * @STATION_INFO_RX_PACKETS: @rx_packets filled
313 * @STATION_INFO_TX_PACKETS: @tx_packets filled
315 enum station_info_flags
{
316 STATION_INFO_INACTIVE_TIME
= 1<<0,
317 STATION_INFO_RX_BYTES
= 1<<1,
318 STATION_INFO_TX_BYTES
= 1<<2,
319 STATION_INFO_LLID
= 1<<3,
320 STATION_INFO_PLID
= 1<<4,
321 STATION_INFO_PLINK_STATE
= 1<<5,
322 STATION_INFO_SIGNAL
= 1<<6,
323 STATION_INFO_TX_BITRATE
= 1<<7,
324 STATION_INFO_RX_PACKETS
= 1<<8,
325 STATION_INFO_TX_PACKETS
= 1<<9,
329 * enum station_info_rate_flags - bitrate info flags
331 * Used by the driver to indicate the specific rate transmission
332 * type for 802.11n transmissions.
334 * @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled
335 * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission
336 * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
338 enum rate_info_flags
{
339 RATE_INFO_FLAGS_MCS
= 1<<0,
340 RATE_INFO_FLAGS_40_MHZ_WIDTH
= 1<<1,
341 RATE_INFO_FLAGS_SHORT_GI
= 1<<2,
345 * struct rate_info - bitrate information
347 * Information about a receiving or transmitting bitrate
349 * @flags: bitflag of flags from &enum rate_info_flags
350 * @mcs: mcs index if struct describes a 802.11n bitrate
351 * @legacy: bitrate in 100kbit/s for 802.11abg
360 * struct station_info - station information
362 * Station information filled by driver for get_station() and dump_station.
364 * @filled: bitflag of flags from &enum station_info_flags
365 * @inactive_time: time since last station activity (tx/rx) in milliseconds
366 * @rx_bytes: bytes received from this station
367 * @tx_bytes: bytes transmitted to this station
368 * @llid: mesh local link id
369 * @plid: mesh peer link id
370 * @plink_state: mesh peer link state
371 * @signal: signal strength of last received packet in dBm
372 * @txrate: current unicast bitrate to this station
373 * @rx_packets: packets received from this station
374 * @tx_packets: packets transmitted to this station
376 struct station_info
{
385 struct rate_info txrate
;
391 * enum monitor_flags - monitor flags
393 * Monitor interface configuration flags. Note that these must be the bits
394 * according to the nl80211 flags.
396 * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS
397 * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP
398 * @MONITOR_FLAG_CONTROL: pass control frames
399 * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering
400 * @MONITOR_FLAG_COOK_FRAMES: report frames after processing
403 MONITOR_FLAG_FCSFAIL
= 1<<NL80211_MNTR_FLAG_FCSFAIL
,
404 MONITOR_FLAG_PLCPFAIL
= 1<<NL80211_MNTR_FLAG_PLCPFAIL
,
405 MONITOR_FLAG_CONTROL
= 1<<NL80211_MNTR_FLAG_CONTROL
,
406 MONITOR_FLAG_OTHER_BSS
= 1<<NL80211_MNTR_FLAG_OTHER_BSS
,
407 MONITOR_FLAG_COOK_FRAMES
= 1<<NL80211_MNTR_FLAG_COOK_FRAMES
,
411 * enum mpath_info_flags - mesh path information flags
413 * Used by the driver to indicate which info in &struct mpath_info it has filled
414 * in during get_station() or dump_station().
416 * MPATH_INFO_FRAME_QLEN: @frame_qlen filled
417 * MPATH_INFO_DSN: @dsn filled
418 * MPATH_INFO_METRIC: @metric filled
419 * MPATH_INFO_EXPTIME: @exptime filled
420 * MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled
421 * MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled
422 * MPATH_INFO_FLAGS: @flags filled
424 enum mpath_info_flags
{
425 MPATH_INFO_FRAME_QLEN
= BIT(0),
426 MPATH_INFO_DSN
= BIT(1),
427 MPATH_INFO_METRIC
= BIT(2),
428 MPATH_INFO_EXPTIME
= BIT(3),
429 MPATH_INFO_DISCOVERY_TIMEOUT
= BIT(4),
430 MPATH_INFO_DISCOVERY_RETRIES
= BIT(5),
431 MPATH_INFO_FLAGS
= BIT(6),
435 * struct mpath_info - mesh path information
437 * Mesh path information filled by driver for get_mpath() and dump_mpath().
439 * @filled: bitfield of flags from &enum mpath_info_flags
440 * @frame_qlen: number of queued frames for this destination
441 * @dsn: destination sequence number
442 * @metric: metric (cost) of this mesh path
443 * @exptime: expiration time for the mesh path from now, in msecs
444 * @flags: mesh path flags
445 * @discovery_timeout: total mesh path discovery timeout, in msecs
446 * @discovery_retries: mesh path discovery retries
454 u32 discovery_timeout
;
455 u8 discovery_retries
;
460 * struct bss_parameters - BSS parameters
462 * Used to change BSS parameters (mainly for AP mode).
464 * @use_cts_prot: Whether to use CTS protection
465 * (0 = no, 1 = yes, -1 = do not change)
466 * @use_short_preamble: Whether the use of short preambles is allowed
467 * (0 = no, 1 = yes, -1 = do not change)
468 * @use_short_slot_time: Whether the use of short slot time is allowed
469 * (0 = no, 1 = yes, -1 = do not change)
470 * @basic_rates: basic rates in IEEE 802.11 format
471 * (or NULL for no change)
472 * @basic_rates_len: number of basic rates
474 struct bss_parameters
{
476 int use_short_preamble
;
477 int use_short_slot_time
;
484 /* Mesh plink management parameters */
485 u16 dot11MeshRetryTimeout
;
486 u16 dot11MeshConfirmTimeout
;
487 u16 dot11MeshHoldingTimeout
;
488 u16 dot11MeshMaxPeerLinks
;
489 u8 dot11MeshMaxRetries
;
491 bool auto_open_plinks
;
492 /* HWMP parameters */
493 u8 dot11MeshHWMPmaxPREQretries
;
494 u32 path_refresh_time
;
495 u16 min_discovery_timeout
;
496 u32 dot11MeshHWMPactivePathTimeout
;
497 u16 dot11MeshHWMPpreqMinInterval
;
498 u16 dot11MeshHWMPnetDiameterTraversalTime
;
502 * struct ieee80211_txq_params - TX queue parameters
503 * @queue: TX queue identifier (NL80211_TXQ_Q_*)
504 * @txop: Maximum burst time in units of 32 usecs, 0 meaning disabled
505 * @cwmin: Minimum contention window [a value of the form 2^n-1 in the range
507 * @cwmax: Maximum contention window [a value of the form 2^n-1 in the range
509 * @aifs: Arbitration interframe space [0..255]
511 struct ieee80211_txq_params
{
512 enum nl80211_txq_q queue
;
519 /* from net/wireless.h */
522 /* from net/ieee80211.h */
523 struct ieee80211_channel
;
526 * struct cfg80211_ssid - SSID description
528 * @ssid_len: length of the ssid
530 struct cfg80211_ssid
{
531 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
536 * struct cfg80211_scan_request - scan request description
538 * @ssids: SSIDs to scan for (active scan only)
539 * @n_ssids: number of SSIDs
540 * @channels: channels to scan on.
541 * @n_channels: number of channels for each band
542 * @ie: optional information element(s) to add into Probe Request or %NULL
543 * @ie_len: length of ie in octets
544 * @wiphy: the wiphy this was for
545 * @ifidx: the interface index
547 struct cfg80211_scan_request
{
548 struct cfg80211_ssid
*ssids
;
550 struct ieee80211_channel
**channels
;
561 * enum cfg80211_signal_type - signal type
563 * @CFG80211_SIGNAL_TYPE_NONE: no signal strength information available
564 * @CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm)
565 * @CFG80211_SIGNAL_TYPE_UNSPEC: signal strength, increasing from 0 through 100
567 enum cfg80211_signal_type
{
568 CFG80211_SIGNAL_TYPE_NONE
,
569 CFG80211_SIGNAL_TYPE_MBM
,
570 CFG80211_SIGNAL_TYPE_UNSPEC
,
574 * struct cfg80211_bss - BSS description
576 * This structure describes a BSS (which may also be a mesh network)
577 * for use in scan results and similar.
579 * @bssid: BSSID of the BSS
580 * @tsf: timestamp of last received update
581 * @beacon_interval: the beacon interval as from the frame
582 * @capability: the capability field in host byte order
583 * @information_elements: the information elements (Note that there
584 * is no guarantee that these are well-formed!)
585 * @len_information_elements: total length of the information elements
586 * @signal: signal strength value (type depends on the wiphy's signal_type)
587 * @hold: BSS should not expire
588 * @free_priv: function pointer to free private data
589 * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes
591 struct cfg80211_bss
{
592 struct ieee80211_channel
*channel
;
598 u8
*information_elements
;
599 size_t len_information_elements
;
603 void (*free_priv
)(struct cfg80211_bss
*bss
);
604 u8 priv
[0] __attribute__((__aligned__(sizeof(void *))));
608 * struct cfg80211_auth_request - Authentication request data
610 * This structure provides information needed to complete IEEE 802.11
612 * NOTE: This structure will likely change when more code from mac80211 is
613 * moved into cfg80211 so that non-mac80211 drivers can benefit from it, too.
614 * Before using this in a driver that does not use mac80211, it would be better
615 * to check the status of that work and better yet, volunteer to work on it.
617 * @chan: The channel to use or %NULL if not specified (auto-select based on
619 * @peer_addr: The address of the peer STA (AP BSSID in infrastructure case);
620 * this field is required to be present; if the driver wants to help with
621 * BSS selection, it should use (yet to be added) MLME event to allow user
622 * space SME to be notified of roaming candidate, so that the SME can then
623 * use the authentication request with the recommended BSSID and whatever
624 * other data may be needed for authentication/association
625 * @ssid: SSID or %NULL if not yet available
626 * @ssid_len: Length of ssid in octets
627 * @auth_type: Authentication type (algorithm)
628 * @ie: Extra IEs to add to Authentication frame or %NULL
629 * @ie_len: Length of ie buffer in octets
631 struct cfg80211_auth_request
{
632 struct ieee80211_channel
*chan
;
636 enum nl80211_auth_type auth_type
;
642 * struct cfg80211_assoc_request - (Re)Association request data
644 * This structure provides information needed to complete IEEE 802.11
646 * NOTE: This structure will likely change when more code from mac80211 is
647 * moved into cfg80211 so that non-mac80211 drivers can benefit from it, too.
648 * Before using this in a driver that does not use mac80211, it would be better
649 * to check the status of that work and better yet, volunteer to work on it.
651 * @chan: The channel to use or %NULL if not specified (auto-select based on
653 * @peer_addr: The address of the peer STA (AP BSSID); this field is required
654 * to be present and the STA must be in State 2 (authenticated) with the
657 * @ssid_len: Length of ssid in octets
658 * @ie: Extra IEs to add to (Re)Association Request frame or %NULL
659 * @ie_len: Length of ie buffer in octets
660 * @use_mfp: Use management frame protection (IEEE 802.11w) in this association
661 * @control_port: Whether user space controls IEEE 802.1X port, i.e.,
662 * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
663 * required to assume that the port is unauthorized until authorized by
664 * user space. Otherwise, port is marked authorized by default.
666 struct cfg80211_assoc_request
{
667 struct ieee80211_channel
*chan
;
678 * struct cfg80211_deauth_request - Deauthentication request data
680 * This structure provides information needed to complete IEEE 802.11
683 * @peer_addr: The address of the peer STA (AP BSSID); this field is required
684 * to be present and the STA must be authenticated with the peer STA
685 * @ie: Extra IEs to add to Deauthentication frame or %NULL
686 * @ie_len: Length of ie buffer in octets
688 struct cfg80211_deauth_request
{
696 * struct cfg80211_disassoc_request - Disassociation request data
698 * This structure provides information needed to complete IEEE 802.11
701 * @peer_addr: The address of the peer STA (AP BSSID); this field is required
702 * to be present and the STA must be associated with the peer STA
703 * @ie: Extra IEs to add to Disassociation frame or %NULL
704 * @ie_len: Length of ie buffer in octets
706 struct cfg80211_disassoc_request
{
714 * struct cfg80211_ibss_params - IBSS parameters
716 * This structure defines the IBSS parameters for the join_ibss()
719 * @ssid: The SSID, will always be non-null.
720 * @ssid_len: The length of the SSID, will always be non-zero.
721 * @bssid: Fixed BSSID requested, maybe be %NULL, if set do not
722 * search for IBSSs with a different BSSID.
723 * @channel: The channel to use if no IBSS can be found to join.
724 * @channel_fixed: The channel should be fixed -- do not search for
725 * IBSSs to join on other channels.
726 * @ie: information element(s) to include in the beacon
727 * @ie_len: length of that
728 * @beacon_interval: beacon interval to use
730 struct cfg80211_ibss_params
{
733 struct ieee80211_channel
*channel
;
741 * enum wiphy_params_flags - set_wiphy_params bitfield values
742 * WIPHY_PARAM_RETRY_SHORT: wiphy->retry_short has changed
743 * WIPHY_PARAM_RETRY_LONG: wiphy->retry_long has changed
744 * WIPHY_PARAM_FRAG_THRESHOLD: wiphy->frag_threshold has changed
745 * WIPHY_PARAM_RTS_THRESHOLD: wiphy->rts_threshold has changed
747 enum wiphy_params_flags
{
748 WIPHY_PARAM_RETRY_SHORT
= 1 << 0,
749 WIPHY_PARAM_RETRY_LONG
= 1 << 1,
750 WIPHY_PARAM_FRAG_THRESHOLD
= 1 << 2,
751 WIPHY_PARAM_RTS_THRESHOLD
= 1 << 3,
755 * struct cfg80211_ops - backend description for wireless configuration
757 * This struct is registered by fullmac card drivers and/or wireless stacks
758 * in order to handle configuration requests on their interfaces.
760 * All callbacks except where otherwise noted should return 0
761 * on success or a negative error code.
763 * All operations are currently invoked under rtnl for consistency with the
764 * wireless extensions but this is subject to reevaluation as soon as this
765 * code is used more widely and we have a first user without wext.
767 * @suspend: wiphy device needs to be suspended
768 * @resume: wiphy device needs to be resumed
770 * @add_virtual_intf: create a new virtual interface with the given name,
771 * must set the struct wireless_dev's iftype.
773 * @del_virtual_intf: remove the virtual interface determined by ifindex.
775 * @change_virtual_intf: change type/configuration of virtual interface,
776 * keep the struct wireless_dev's iftype updated.
778 * @add_key: add a key with the given parameters. @mac_addr will be %NULL
779 * when adding a group key.
781 * @get_key: get information about the key with the given parameters.
782 * @mac_addr will be %NULL when requesting information for a group
783 * key. All pointers given to the @callback function need not be valid
786 * @del_key: remove a key given the @mac_addr (%NULL for a group key)
789 * @set_default_key: set the default key on an interface
791 * @set_default_mgmt_key: set the default management frame key on an interface
793 * @add_beacon: Add a beacon with given parameters, @head, @interval
794 * and @dtim_period will be valid, @tail is optional.
795 * @set_beacon: Change the beacon parameters for an access point mode
796 * interface. This should reject the call when no beacon has been
798 * @del_beacon: Remove beacon configuration and stop sending the beacon.
800 * @add_station: Add a new station.
802 * @del_station: Remove a station; @mac may be NULL to remove all stations.
804 * @change_station: Modify a given station.
806 * @get_mesh_params: Put the current mesh parameters into *params
808 * @set_mesh_params: Set mesh parameters.
809 * The mask is a bitfield which tells us which parameters to
810 * set, and which to leave alone.
812 * @set_mesh_cfg: set mesh parameters (by now, just mesh id)
814 * @change_bss: Modify parameters for a given BSS.
816 * @set_txq_params: Set TX queue parameters
818 * @set_channel: Set channel
820 * @scan: Request to do a scan. If returning zero, the scan request is given
821 * the driver, and will be valid until passed to cfg80211_scan_done().
822 * For scan results, call cfg80211_inform_bss(); you can call this outside
823 * the scan/scan_done bracket too.
825 * @auth: Request to authenticate with the specified peer
826 * @assoc: Request to (re)associate with the specified peer
827 * @deauth: Request to deauthenticate from the specified peer
828 * @disassoc: Request to disassociate from the specified peer
830 * @join_ibss: Join the specified IBSS (or create if necessary). Once done, call
831 * cfg80211_ibss_joined(), also call that function when changing BSSID due
833 * @leave_ibss: Leave the IBSS.
835 * @set_wiphy_params: Notify that wiphy parameters have changed;
836 * @changed bitfield (see &enum wiphy_params_flags) describes which values
837 * have changed. The actual parameter values are available in
838 * struct wiphy. If returning an error, no value should be changed.
840 struct cfg80211_ops
{
841 int (*suspend
)(struct wiphy
*wiphy
);
842 int (*resume
)(struct wiphy
*wiphy
);
844 int (*add_virtual_intf
)(struct wiphy
*wiphy
, char *name
,
845 enum nl80211_iftype type
, u32
*flags
,
846 struct vif_params
*params
);
847 int (*del_virtual_intf
)(struct wiphy
*wiphy
, int ifindex
);
848 int (*change_virtual_intf
)(struct wiphy
*wiphy
, int ifindex
,
849 enum nl80211_iftype type
, u32
*flags
,
850 struct vif_params
*params
);
852 int (*add_key
)(struct wiphy
*wiphy
, struct net_device
*netdev
,
853 u8 key_index
, const u8
*mac_addr
,
854 struct key_params
*params
);
855 int (*get_key
)(struct wiphy
*wiphy
, struct net_device
*netdev
,
856 u8 key_index
, const u8
*mac_addr
, void *cookie
,
857 void (*callback
)(void *cookie
, struct key_params
*));
858 int (*del_key
)(struct wiphy
*wiphy
, struct net_device
*netdev
,
859 u8 key_index
, const u8
*mac_addr
);
860 int (*set_default_key
)(struct wiphy
*wiphy
,
861 struct net_device
*netdev
,
863 int (*set_default_mgmt_key
)(struct wiphy
*wiphy
,
864 struct net_device
*netdev
,
867 int (*add_beacon
)(struct wiphy
*wiphy
, struct net_device
*dev
,
868 struct beacon_parameters
*info
);
869 int (*set_beacon
)(struct wiphy
*wiphy
, struct net_device
*dev
,
870 struct beacon_parameters
*info
);
871 int (*del_beacon
)(struct wiphy
*wiphy
, struct net_device
*dev
);
874 int (*add_station
)(struct wiphy
*wiphy
, struct net_device
*dev
,
875 u8
*mac
, struct station_parameters
*params
);
876 int (*del_station
)(struct wiphy
*wiphy
, struct net_device
*dev
,
878 int (*change_station
)(struct wiphy
*wiphy
, struct net_device
*dev
,
879 u8
*mac
, struct station_parameters
*params
);
880 int (*get_station
)(struct wiphy
*wiphy
, struct net_device
*dev
,
881 u8
*mac
, struct station_info
*sinfo
);
882 int (*dump_station
)(struct wiphy
*wiphy
, struct net_device
*dev
,
883 int idx
, u8
*mac
, struct station_info
*sinfo
);
885 int (*add_mpath
)(struct wiphy
*wiphy
, struct net_device
*dev
,
886 u8
*dst
, u8
*next_hop
);
887 int (*del_mpath
)(struct wiphy
*wiphy
, struct net_device
*dev
,
889 int (*change_mpath
)(struct wiphy
*wiphy
, struct net_device
*dev
,
890 u8
*dst
, u8
*next_hop
);
891 int (*get_mpath
)(struct wiphy
*wiphy
, struct net_device
*dev
,
892 u8
*dst
, u8
*next_hop
,
893 struct mpath_info
*pinfo
);
894 int (*dump_mpath
)(struct wiphy
*wiphy
, struct net_device
*dev
,
895 int idx
, u8
*dst
, u8
*next_hop
,
896 struct mpath_info
*pinfo
);
897 int (*get_mesh_params
)(struct wiphy
*wiphy
,
898 struct net_device
*dev
,
899 struct mesh_config
*conf
);
900 int (*set_mesh_params
)(struct wiphy
*wiphy
,
901 struct net_device
*dev
,
902 const struct mesh_config
*nconf
, u32 mask
);
903 int (*change_bss
)(struct wiphy
*wiphy
, struct net_device
*dev
,
904 struct bss_parameters
*params
);
906 int (*set_txq_params
)(struct wiphy
*wiphy
,
907 struct ieee80211_txq_params
*params
);
909 int (*set_channel
)(struct wiphy
*wiphy
,
910 struct ieee80211_channel
*chan
,
911 enum nl80211_channel_type channel_type
);
913 int (*scan
)(struct wiphy
*wiphy
, struct net_device
*dev
,
914 struct cfg80211_scan_request
*request
);
916 int (*auth
)(struct wiphy
*wiphy
, struct net_device
*dev
,
917 struct cfg80211_auth_request
*req
);
918 int (*assoc
)(struct wiphy
*wiphy
, struct net_device
*dev
,
919 struct cfg80211_assoc_request
*req
);
920 int (*deauth
)(struct wiphy
*wiphy
, struct net_device
*dev
,
921 struct cfg80211_deauth_request
*req
);
922 int (*disassoc
)(struct wiphy
*wiphy
, struct net_device
*dev
,
923 struct cfg80211_disassoc_request
*req
);
925 int (*join_ibss
)(struct wiphy
*wiphy
, struct net_device
*dev
,
926 struct cfg80211_ibss_params
*params
);
927 int (*leave_ibss
)(struct wiphy
*wiphy
, struct net_device
*dev
);
929 int (*set_wiphy_params
)(struct wiphy
*wiphy
, u32 changed
);
933 * wireless hardware and networking interfaces structures
934 * and registration/helper functions
938 * struct wiphy - wireless hardware description
939 * @idx: the wiphy index assigned to this item
940 * @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
941 * @custom_regulatory: tells us the driver for this device
942 * has its own custom regulatory domain and cannot identify the
943 * ISO / IEC 3166 alpha2 it belongs to. When this is enabled
944 * we will disregard the first regulatory hint (when the
945 * initiator is %REGDOM_SET_BY_CORE).
946 * @strict_regulatory: tells us the driver for this device will ignore
947 * regulatory domain settings until it gets its own regulatory domain
948 * via its regulatory_hint(). After its gets its own regulatory domain
949 * it will only allow further regulatory domain settings to further
950 * enhance compliance. For example if channel 13 and 14 are disabled
951 * by this regulatory domain no user regulatory domain can enable these
952 * channels at a later time. This can be used for devices which do not
953 * have calibration information gauranteed for frequencies or settings
954 * outside of its regulatory domain.
955 * @reg_notifier: the driver's regulatory notification callback
956 * @regd: the driver's regulatory domain, if one was requested via
957 * the regulatory_hint() API. This can be used by the driver
958 * on the reg_notifier() if it chooses to ignore future
959 * regulatory domain changes caused by other drivers.
960 * @signal_type: signal type reported in &struct cfg80211_bss.
961 * @cipher_suites: supported cipher suites
962 * @n_cipher_suites: number of supported cipher suites
963 * @retry_short: Retry limit for short frames (dot11ShortRetryLimit)
964 * @retry_long: Retry limit for long frames (dot11LongRetryLimit)
965 * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold);
966 * -1 = fragmentation disabled, only odd values >= 256 used
967 * @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled
970 /* assign these fields before you register the wiphy */
972 /* permanent MAC address */
973 u8 perm_addr
[ETH_ALEN
];
975 /* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
978 bool custom_regulatory
;
979 bool strict_regulatory
;
981 enum cfg80211_signal_type signal_type
;
988 const u32
*cipher_suites
;
995 /* If multiple wiphys are registered and you're handed e.g.
996 * a regular netdev with assigned ieee80211_ptr, you won't
997 * know whether it points to a wiphy your driver has registered
998 * or not. Assign this to something global to your driver to
999 * help determine whether you own this wiphy or not. */
1002 struct ieee80211_supported_band
*bands
[IEEE80211_NUM_BANDS
];
1004 /* Lets us get back the wiphy on the callback */
1005 int (*reg_notifier
)(struct wiphy
*wiphy
,
1006 struct regulatory_request
*request
);
1008 /* fields below are read-only, assigned by cfg80211 */
1010 const struct ieee80211_regdomain
*regd
;
1012 /* the item in /sys/class/ieee80211/ points to this,
1013 * you need use set_wiphy_dev() (see below) */
1016 /* dir in debugfs: ieee80211/<wiphyname> */
1017 struct dentry
*debugfsdir
;
1019 char priv
[0] __attribute__((__aligned__(NETDEV_ALIGN
)));
1023 * wiphy_priv - return priv from wiphy
1025 * @wiphy: the wiphy whose priv pointer to return
1027 static inline void *wiphy_priv(struct wiphy
*wiphy
)
1030 return &wiphy
->priv
;
1034 * set_wiphy_dev - set device pointer for wiphy
1036 * @wiphy: The wiphy whose device to bind
1037 * @dev: The device to parent it to
1039 static inline void set_wiphy_dev(struct wiphy
*wiphy
, struct device
*dev
)
1041 wiphy
->dev
.parent
= dev
;
1045 * wiphy_dev - get wiphy dev pointer
1047 * @wiphy: The wiphy whose device struct to look up
1049 static inline struct device
*wiphy_dev(struct wiphy
*wiphy
)
1051 return wiphy
->dev
.parent
;
1055 * wiphy_name - get wiphy name
1057 * @wiphy: The wiphy whose name to return
1059 static inline const char *wiphy_name(struct wiphy
*wiphy
)
1061 return dev_name(&wiphy
->dev
);
1065 * wiphy_new - create a new wiphy for use with cfg80211
1067 * @ops: The configuration operations for this device
1068 * @sizeof_priv: The size of the private area to allocate
1070 * Create a new wiphy and associate the given operations with it.
1071 * @sizeof_priv bytes are allocated for private use.
1073 * The returned pointer must be assigned to each netdev's
1074 * ieee80211_ptr for proper operation.
1076 struct wiphy
*wiphy_new(const struct cfg80211_ops
*ops
, int sizeof_priv
);
1079 * wiphy_register - register a wiphy with cfg80211
1081 * @wiphy: The wiphy to register.
1083 * Returns a non-negative wiphy index or a negative error code.
1085 extern int wiphy_register(struct wiphy
*wiphy
);
1088 * wiphy_unregister - deregister a wiphy from cfg80211
1090 * @wiphy: The wiphy to unregister.
1092 * After this call, no more requests can be made with this priv
1093 * pointer, but the call may sleep to wait for an outstanding
1094 * request that is being handled.
1096 extern void wiphy_unregister(struct wiphy
*wiphy
);
1099 * wiphy_free - free wiphy
1101 * @wiphy: The wiphy to free
1103 extern void wiphy_free(struct wiphy
*wiphy
);
1106 * struct wireless_dev - wireless per-netdev state
1108 * This structure must be allocated by the driver/stack
1109 * that uses the ieee80211_ptr field in struct net_device
1110 * (this is intentional so it can be allocated along with
1113 * @wiphy: pointer to hardware description
1114 * @iftype: interface type
1115 * @list: (private) Used to collect the interfaces
1116 * @netdev: (private) Used to reference back to the netdev
1117 * @current_bss: (private) Used by the internal configuration code
1118 * @bssid: (private) Used by the internal configuration code
1119 * @ssid: (private) Used by the internal configuration code
1120 * @ssid_len: (private) Used by the internal configuration code
1121 * @wext: (private) Used by the internal wireless extensions compat code
1122 * @wext_bssid: (private) Used by the internal wireless extensions compat code
1124 struct wireless_dev
{
1125 struct wiphy
*wiphy
;
1126 enum nl80211_iftype iftype
;
1128 /* private to the generic wireless code */
1129 struct list_head list
;
1130 struct net_device
*netdev
;
1132 /* currently used for IBSS - might be rearranged in the future */
1133 struct cfg80211_bss
*current_bss
;
1135 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
1138 #ifdef CONFIG_WIRELESS_EXT
1141 struct cfg80211_ibss_params ibss
;
1143 s8 default_key
, default_mgmt_key
;
1149 * wdev_priv - return wiphy priv from wireless_dev
1151 * @wdev: The wireless device whose wiphy's priv pointer to return
1153 static inline void *wdev_priv(struct wireless_dev
*wdev
)
1156 return wiphy_priv(wdev
->wiphy
);
1164 * ieee80211_channel_to_frequency - convert channel number to frequency
1166 extern int ieee80211_channel_to_frequency(int chan
);
1169 * ieee80211_frequency_to_channel - convert frequency to channel number
1171 extern int ieee80211_frequency_to_channel(int freq
);
1174 * Name indirection necessary because the ieee80211 code also has
1175 * a function named "ieee80211_get_channel", so if you include
1176 * cfg80211's header file you get cfg80211's version, if you try
1177 * to include both header files you'll (rightfully!) get a symbol
1180 extern struct ieee80211_channel
*__ieee80211_get_channel(struct wiphy
*wiphy
,
1183 * ieee80211_get_channel - get channel struct from wiphy for specified frequency
1185 static inline struct ieee80211_channel
*
1186 ieee80211_get_channel(struct wiphy
*wiphy
, int freq
)
1188 return __ieee80211_get_channel(wiphy
, freq
);
1192 * ieee80211_get_response_rate - get basic rate for a given rate
1194 * @sband: the band to look for rates in
1195 * @basic_rates: bitmap of basic rates
1196 * @bitrate: the bitrate for which to find the basic rate
1198 * This function returns the basic rate corresponding to a given
1199 * bitrate, that is the next lower bitrate contained in the basic
1200 * rate map, which is, for this function, given as a bitmap of
1201 * indices of rates in the band's bitrate table.
1203 struct ieee80211_rate
*
1204 ieee80211_get_response_rate(struct ieee80211_supported_band
*sband
,
1205 u32 basic_rates
, int bitrate
);
1208 * Radiotap parsing functions -- for controlled injection support
1210 * Implemented in net/wireless/radiotap.c
1211 * Documentation in Documentation/networking/radiotap-headers.txt
1215 * struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
1216 * @rtheader: pointer to the radiotap header we are walking through
1217 * @max_length: length of radiotap header in cpu byte ordering
1218 * @this_arg_index: IEEE80211_RADIOTAP_... index of current arg
1219 * @this_arg: pointer to current radiotap arg
1220 * @arg_index: internal next argument index
1221 * @arg: internal next argument pointer
1222 * @next_bitmap: internal pointer to next present u32
1223 * @bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
1226 struct ieee80211_radiotap_iterator
{
1227 struct ieee80211_radiotap_header
*rtheader
;
1234 __le32
*next_bitmap
;
1238 extern int ieee80211_radiotap_iterator_init(
1239 struct ieee80211_radiotap_iterator
*iterator
,
1240 struct ieee80211_radiotap_header
*radiotap_header
,
1243 extern int ieee80211_radiotap_iterator_next(
1244 struct ieee80211_radiotap_iterator
*iterator
);
1247 * Regulatory helper functions for wiphys
1251 * regulatory_hint - driver hint to the wireless core a regulatory domain
1252 * @wiphy: the wireless device giving the hint (used only for reporting
1254 * @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain
1255 * should be in. If @rd is set this should be NULL. Note that if you
1256 * set this to NULL you should still set rd->alpha2 to some accepted
1259 * Wireless drivers can use this function to hint to the wireless core
1260 * what it believes should be the current regulatory domain by
1261 * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory
1262 * domain should be in or by providing a completely build regulatory domain.
1263 * If the driver provides an ISO/IEC 3166 alpha2 userspace will be queried
1264 * for a regulatory domain structure for the respective country.
1266 * The wiphy must have been registered to cfg80211 prior to this call.
1267 * For cfg80211 drivers this means you must first use wiphy_register(),
1268 * for mac80211 drivers you must first use ieee80211_register_hw().
1270 * Drivers should check the return value, its possible you can get
1273 extern int regulatory_hint(struct wiphy
*wiphy
, const char *alpha2
);
1276 * regulatory_hint_11d - hints a country IE as a regulatory domain
1277 * @wiphy: the wireless device giving the hint (used only for reporting
1279 * @country_ie: pointer to the country IE
1280 * @country_ie_len: length of the country IE
1282 * We will intersect the rd with the what CRDA tells us should apply
1283 * for the alpha2 this country IE belongs to, this prevents APs from
1284 * sending us incorrect or outdated information against a country.
1286 extern void regulatory_hint_11d(struct wiphy
*wiphy
,
1290 * wiphy_apply_custom_regulatory - apply a custom driver regulatory domain
1291 * @wiphy: the wireless device we want to process the regulatory domain on
1292 * @regd: the custom regulatory domain to use for this wiphy
1294 * Drivers can sometimes have custom regulatory domains which do not apply
1295 * to a specific country. Drivers can use this to apply such custom regulatory
1296 * domains. This routine must be called prior to wiphy registration. The
1297 * custom regulatory domain will be trusted completely and as such previous
1298 * default channel settings will be disregarded. If no rule is found for a
1299 * channel on the regulatory domain the channel will be disabled.
1301 extern void wiphy_apply_custom_regulatory(
1302 struct wiphy
*wiphy
,
1303 const struct ieee80211_regdomain
*regd
);
1306 * freq_reg_info - get regulatory information for the given frequency
1307 * @wiphy: the wiphy for which we want to process this rule for
1308 * @center_freq: Frequency in KHz for which we want regulatory information for
1309 * @desired_bw_khz: the desired max bandwidth you want to use per
1310 * channel. Note that this is still 20 MHz if you want to use HT40
1311 * as HT40 makes use of two channels for its 40 MHz width bandwidth.
1312 * If set to 0 we'll assume you want the standard 20 MHz.
1313 * @reg_rule: the regulatory rule which we have for this frequency
1315 * Use this function to get the regulatory rule for a specific frequency on
1316 * a given wireless device. If the device has a specific regulatory domain
1317 * it wants to follow we respect that unless a country IE has been received
1318 * and processed already.
1320 * Returns 0 if it was able to find a valid regulatory rule which does
1321 * apply to the given center_freq otherwise it returns non-zero. It will
1322 * also return -ERANGE if we determine the given center_freq does not even have
1323 * a regulatory rule for a frequency range in the center_freq's band. See
1324 * freq_in_rule_band() for our current definition of a band -- this is purely
1325 * subjective and right now its 802.11 specific.
1327 extern int freq_reg_info(struct wiphy
*wiphy
,
1330 const struct ieee80211_reg_rule
**reg_rule
);
1333 * Temporary wext handlers & helper functions
1335 * In the future cfg80211 will simply assign the entire wext handler
1336 * structure to netdevs it manages, but we're not there yet.
1338 int cfg80211_wext_giwname(struct net_device
*dev
,
1339 struct iw_request_info
*info
,
1340 char *name
, char *extra
);
1341 int cfg80211_wext_siwmode(struct net_device
*dev
, struct iw_request_info
*info
,
1342 u32
*mode
, char *extra
);
1343 int cfg80211_wext_giwmode(struct net_device
*dev
, struct iw_request_info
*info
,
1344 u32
*mode
, char *extra
);
1345 int cfg80211_wext_siwscan(struct net_device
*dev
,
1346 struct iw_request_info
*info
,
1347 union iwreq_data
*wrqu
, char *extra
);
1348 int cfg80211_wext_giwscan(struct net_device
*dev
,
1349 struct iw_request_info
*info
,
1350 struct iw_point
*data
, char *extra
);
1351 int cfg80211_wext_siwmlme(struct net_device
*dev
,
1352 struct iw_request_info
*info
,
1353 struct iw_point
*data
, char *extra
);
1354 int cfg80211_wext_giwrange(struct net_device
*dev
,
1355 struct iw_request_info
*info
,
1356 struct iw_point
*data
, char *extra
);
1357 int cfg80211_ibss_wext_siwfreq(struct net_device
*dev
,
1358 struct iw_request_info
*info
,
1359 struct iw_freq
*freq
, char *extra
);
1360 int cfg80211_ibss_wext_giwfreq(struct net_device
*dev
,
1361 struct iw_request_info
*info
,
1362 struct iw_freq
*freq
, char *extra
);
1363 int cfg80211_ibss_wext_siwessid(struct net_device
*dev
,
1364 struct iw_request_info
*info
,
1365 struct iw_point
*data
, char *ssid
);
1366 int cfg80211_ibss_wext_giwessid(struct net_device
*dev
,
1367 struct iw_request_info
*info
,
1368 struct iw_point
*data
, char *ssid
);
1369 int cfg80211_ibss_wext_siwap(struct net_device
*dev
,
1370 struct iw_request_info
*info
,
1371 struct sockaddr
*ap_addr
, char *extra
);
1372 int cfg80211_ibss_wext_giwap(struct net_device
*dev
,
1373 struct iw_request_info
*info
,
1374 struct sockaddr
*ap_addr
, char *extra
);
1376 struct ieee80211_channel
*cfg80211_wext_freq(struct wiphy
*wiphy
,
1377 struct iw_freq
*freq
);
1379 int cfg80211_wext_siwrts(struct net_device
*dev
,
1380 struct iw_request_info
*info
,
1381 struct iw_param
*rts
, char *extra
);
1382 int cfg80211_wext_giwrts(struct net_device
*dev
,
1383 struct iw_request_info
*info
,
1384 struct iw_param
*rts
, char *extra
);
1385 int cfg80211_wext_siwfrag(struct net_device
*dev
,
1386 struct iw_request_info
*info
,
1387 struct iw_param
*frag
, char *extra
);
1388 int cfg80211_wext_giwfrag(struct net_device
*dev
,
1389 struct iw_request_info
*info
,
1390 struct iw_param
*frag
, char *extra
);
1391 int cfg80211_wext_siwretry(struct net_device
*dev
,
1392 struct iw_request_info
*info
,
1393 struct iw_param
*retry
, char *extra
);
1394 int cfg80211_wext_giwretry(struct net_device
*dev
,
1395 struct iw_request_info
*info
,
1396 struct iw_param
*retry
, char *extra
);
1397 int cfg80211_wext_siwencodeext(struct net_device
*dev
,
1398 struct iw_request_info
*info
,
1399 struct iw_point
*erq
, char *extra
);
1400 int cfg80211_wext_siwencode(struct net_device
*dev
,
1401 struct iw_request_info
*info
,
1402 struct iw_point
*erq
, char *keybuf
);
1403 int cfg80211_wext_giwencode(struct net_device
*dev
,
1404 struct iw_request_info
*info
,
1405 struct iw_point
*erq
, char *keybuf
);
1408 * callbacks for asynchronous cfg80211 methods, notification
1409 * functions and BSS handling helpers
1413 * cfg80211_scan_done - notify that scan finished
1415 * @request: the corresponding scan request
1416 * @aborted: set to true if the scan was aborted for any reason,
1417 * userspace will be notified of that
1419 void cfg80211_scan_done(struct cfg80211_scan_request
*request
, bool aborted
);
1422 * cfg80211_inform_bss - inform cfg80211 of a new BSS
1424 * @wiphy: the wiphy reporting the BSS
1425 * @bss: the found BSS
1426 * @signal: the signal strength, type depends on the wiphy's signal_type
1427 * @gfp: context flags
1429 * This informs cfg80211 that BSS information was found and
1430 * the BSS should be updated/added.
1432 struct cfg80211_bss
*
1433 cfg80211_inform_bss_frame(struct wiphy
*wiphy
,
1434 struct ieee80211_channel
*channel
,
1435 struct ieee80211_mgmt
*mgmt
, size_t len
,
1436 s32 signal
, gfp_t gfp
);
1438 struct cfg80211_bss
*
1439 cfg80211_inform_bss(struct wiphy
*wiphy
,
1440 struct ieee80211_channel
*channel
,
1442 u64 timestamp
, u16 capability
, u16 beacon_interval
,
1443 const u8
*ie
, size_t ielen
,
1444 s32 signal
, gfp_t gfp
);
1446 struct cfg80211_bss
*cfg80211_get_bss(struct wiphy
*wiphy
,
1447 struct ieee80211_channel
*channel
,
1449 const u8
*ssid
, size_t ssid_len
,
1450 u16 capa_mask
, u16 capa_val
);
1451 static inline struct cfg80211_bss
*
1452 cfg80211_get_ibss(struct wiphy
*wiphy
,
1453 struct ieee80211_channel
*channel
,
1454 const u8
*ssid
, size_t ssid_len
)
1456 return cfg80211_get_bss(wiphy
, channel
, NULL
, ssid
, ssid_len
,
1457 WLAN_CAPABILITY_IBSS
, WLAN_CAPABILITY_IBSS
);
1460 struct cfg80211_bss
*cfg80211_get_mesh(struct wiphy
*wiphy
,
1461 struct ieee80211_channel
*channel
,
1462 const u8
*meshid
, size_t meshidlen
,
1464 void cfg80211_put_bss(struct cfg80211_bss
*bss
);
1467 * cfg80211_unlink_bss - unlink BSS from internal data structures
1469 * @bss: the bss to remove
1471 * This function removes the given BSS from the internal data structures
1472 * thereby making it no longer show up in scan results etc. Use this
1473 * function when you detect a BSS is gone. Normally BSSes will also time
1474 * out, so it is not necessary to use this function at all.
1476 void cfg80211_unlink_bss(struct wiphy
*wiphy
, struct cfg80211_bss
*bss
);
1479 * cfg80211_send_rx_auth - notification of processed authentication
1480 * @dev: network device
1481 * @buf: authentication frame (header + body)
1482 * @len: length of the frame data
1484 * This function is called whenever an authentication has been processed in
1485 * station mode. The driver is required to call either this function or
1486 * cfg80211_send_auth_timeout() to indicate the result of cfg80211_ops::auth()
1489 void cfg80211_send_rx_auth(struct net_device
*dev
, const u8
*buf
, size_t len
);
1492 * cfg80211_send_auth_timeout - notification of timed out authentication
1493 * @dev: network device
1494 * @addr: The MAC address of the device with which the authentication timed out
1496 void cfg80211_send_auth_timeout(struct net_device
*dev
, const u8
*addr
);
1499 * cfg80211_send_rx_assoc - notification of processed association
1500 * @dev: network device
1501 * @buf: (re)association response frame (header + body)
1502 * @len: length of the frame data
1504 * This function is called whenever a (re)association response has been
1505 * processed in station mode. The driver is required to call either this
1506 * function or cfg80211_send_assoc_timeout() to indicate the result of
1507 * cfg80211_ops::assoc() call.
1509 void cfg80211_send_rx_assoc(struct net_device
*dev
, const u8
*buf
, size_t len
);
1512 * cfg80211_send_assoc_timeout - notification of timed out association
1513 * @dev: network device
1514 * @addr: The MAC address of the device with which the association timed out
1516 void cfg80211_send_assoc_timeout(struct net_device
*dev
, const u8
*addr
);
1519 * cfg80211_send_deauth - notification of processed deauthentication
1520 * @dev: network device
1521 * @buf: deauthentication frame (header + body)
1522 * @len: length of the frame data
1524 * This function is called whenever deauthentication has been processed in
1525 * station mode. This includes both received deauthentication frames and
1526 * locally generated ones.
1528 void cfg80211_send_deauth(struct net_device
*dev
, const u8
*buf
, size_t len
);
1531 * cfg80211_send_disassoc - notification of processed disassociation
1532 * @dev: network device
1533 * @buf: disassociation response frame (header + body)
1534 * @len: length of the frame data
1536 * This function is called whenever disassociation has been processed in
1537 * station mode. This includes both received disassociation frames and locally
1540 void cfg80211_send_disassoc(struct net_device
*dev
, const u8
*buf
, size_t len
);
1543 * cfg80211_hold_bss - exclude bss from expiration
1544 * @bss: bss which should not expire
1546 * In a case when the BSS is not updated but it shouldn't expire this
1547 * function can be used to mark the BSS to be excluded from expiration.
1549 void cfg80211_hold_bss(struct cfg80211_bss
*bss
);
1552 * cfg80211_unhold_bss - remove expiration exception from the BSS
1553 * @bss: bss which can expire again
1555 * This function marks the BSS to be expirable again.
1557 void cfg80211_unhold_bss(struct cfg80211_bss
*bss
);
1560 * cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP)
1561 * @dev: network device
1562 * @addr: The source MAC address of the frame
1563 * @key_type: The key type that the received frame used
1564 * @key_id: Key identifier (0..3)
1565 * @tsc: The TSC value of the frame that generated the MIC failure (6 octets)
1567 * This function is called whenever the local MAC detects a MIC failure in a
1568 * received frame. This matches with MLME-MICHAELMICFAILURE.indication()
1571 void cfg80211_michael_mic_failure(struct net_device
*dev
, const u8
*addr
,
1572 enum nl80211_key_type key_type
, int key_id
,
1576 * cfg80211_ibss_joined - notify cfg80211 that device joined an IBSS
1578 * @dev: network device
1579 * @bssid: the BSSID of the IBSS joined
1580 * @gfp: allocation flags
1582 * This function notifies cfg80211 that the device joined an IBSS or
1583 * switched to a different BSSID. Before this function can be called,
1584 * either a beacon has to have been received from the IBSS, or one of
1585 * the cfg80211_inform_bss{,_frame} functions must have been called
1586 * with the locally generated beacon -- this guarantees that there is
1587 * always a scan result for this IBSS. cfg80211 will handle the rest.
1589 void cfg80211_ibss_joined(struct net_device
*dev
, const u8
*bssid
, gfp_t gfp
);
1591 #endif /* __NET_CFG80211_H */