1 #ifndef __NET_CFG80211_H
2 #define __NET_CFG80211_H
4 * 802.11 device and configuration interface
6 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #include <linux/netdevice.h>
14 #include <linux/debugfs.h>
15 #include <linux/list.h>
16 #include <linux/bug.h>
17 #include <linux/netlink.h>
18 #include <linux/skbuff.h>
19 #include <linux/nl80211.h>
20 #include <linux/if_ether.h>
21 #include <linux/ieee80211.h>
22 #include <linux/net.h>
23 #include <net/regulatory.h>
28 * cfg80211 is the configuration API for 802.11 devices in Linux. It bridges
29 * userspace and drivers, and offers some utility functionality associated
30 * with 802.11. cfg80211 must, directly or indirectly via mac80211, be used
31 * by all modern wireless drivers in Linux, so that they offer a consistent
32 * API through nl80211. For backward compatibility, cfg80211 also offers
33 * wireless extensions to userspace, but hides them from drivers completely.
35 * Additionally, cfg80211 contains code to help enforce regulatory spectrum
41 * DOC: Device registration
43 * In order for a driver to use cfg80211, it must register the hardware device
44 * with cfg80211. This happens through a number of hardware capability structs
47 * The fundamental structure for each device is the 'wiphy', of which each
48 * instance describes a physical wireless device connected to the system. Each
49 * such wiphy can have zero, one, or many virtual interfaces associated with
50 * it, which need to be identified as such by pointing the network interface's
51 * @ieee80211_ptr pointer to a &struct wireless_dev which further describes
52 * the wireless part of the interface, normally this struct is embedded in the
53 * network interface's private data area. Drivers can optionally allow creating
54 * or destroying virtual interfaces on the fly, but without at least one or the
55 * ability to create some the wireless device isn't useful.
57 * Each wiphy structure contains device capability information, and also has
58 * a pointer to the various operations the driver offers. The definitions and
59 * structures here describe these capabilities in detail.
65 * wireless hardware capability structures
69 * enum ieee80211_band - supported frequency bands
71 * The bands are assigned this way because the supported
72 * bitrates differ in these bands.
74 * @IEEE80211_BAND_2GHZ: 2.4GHz ISM band
75 * @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7)
76 * @IEEE80211_BAND_60GHZ: around 60 GHz band (58.32 - 64.80 GHz)
77 * @IEEE80211_NUM_BANDS: number of defined bands
80 IEEE80211_BAND_2GHZ
= NL80211_BAND_2GHZ
,
81 IEEE80211_BAND_5GHZ
= NL80211_BAND_5GHZ
,
82 IEEE80211_BAND_60GHZ
= NL80211_BAND_60GHZ
,
89 * enum ieee80211_channel_flags - channel flags
91 * Channel flags set by the regulatory control code.
93 * @IEEE80211_CHAN_DISABLED: This channel is disabled.
94 * @IEEE80211_CHAN_NO_IR: do not initiate radiation, this includes
95 * sending probe requests or beaconing.
96 * @IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
97 * @IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
99 * @IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
101 * @IEEE80211_CHAN_NO_OFDM: OFDM is not allowed on this channel.
102 * @IEEE80211_CHAN_NO_80MHZ: If the driver supports 80 MHz on the band,
103 * this flag indicates that an 80 MHz channel cannot use this
104 * channel as the control or any of the secondary channels.
105 * This may be due to the driver or due to regulatory bandwidth
107 * @IEEE80211_CHAN_NO_160MHZ: If the driver supports 160 MHz on the band,
108 * this flag indicates that an 160 MHz channel cannot use this
109 * channel as the control or any of the secondary channels.
110 * This may be due to the driver or due to regulatory bandwidth
112 * @IEEE80211_CHAN_INDOOR_ONLY: see %NL80211_FREQUENCY_ATTR_INDOOR_ONLY
113 * @IEEE80211_CHAN_GO_CONCURRENT: see %NL80211_FREQUENCY_ATTR_GO_CONCURRENT
116 enum ieee80211_channel_flags
{
117 IEEE80211_CHAN_DISABLED
= 1<<0,
118 IEEE80211_CHAN_NO_IR
= 1<<1,
120 IEEE80211_CHAN_RADAR
= 1<<3,
121 IEEE80211_CHAN_NO_HT40PLUS
= 1<<4,
122 IEEE80211_CHAN_NO_HT40MINUS
= 1<<5,
123 IEEE80211_CHAN_NO_OFDM
= 1<<6,
124 IEEE80211_CHAN_NO_80MHZ
= 1<<7,
125 IEEE80211_CHAN_NO_160MHZ
= 1<<8,
126 IEEE80211_CHAN_INDOOR_ONLY
= 1<<9,
127 IEEE80211_CHAN_GO_CONCURRENT
= 1<<10,
130 #define IEEE80211_CHAN_NO_HT40 \
131 (IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
133 #define IEEE80211_DFS_MIN_CAC_TIME_MS 60000
134 #define IEEE80211_DFS_MIN_NOP_TIME_MS (30 * 60 * 1000)
137 * struct ieee80211_channel - channel definition
139 * This structure describes a single channel for use
142 * @center_freq: center frequency in MHz
143 * @hw_value: hardware-specific value for the channel
144 * @flags: channel flags from &enum ieee80211_channel_flags.
145 * @orig_flags: channel flags at registration time, used by regulatory
146 * code to support devices with additional restrictions
147 * @band: band this channel belongs to.
148 * @max_antenna_gain: maximum antenna gain in dBi
149 * @max_power: maximum transmission power (in dBm)
150 * @max_reg_power: maximum regulatory transmission power (in dBm)
151 * @beacon_found: helper to regulatory code to indicate when a beacon
152 * has been found on this channel. Use regulatory_hint_found_beacon()
153 * to enable this, this is useful only on 5 GHz band.
154 * @orig_mag: internal use
155 * @orig_mpwr: internal use
156 * @dfs_state: current state of this channel. Only relevant if radar is required
158 * @dfs_state_entered: timestamp (jiffies) when the dfs state was entered.
159 * @dfs_cac_ms: DFS CAC time in milliseconds, this is valid for DFS channels.
161 struct ieee80211_channel
{
162 enum ieee80211_band band
;
166 int max_antenna_gain
;
171 int orig_mag
, orig_mpwr
;
172 enum nl80211_dfs_state dfs_state
;
173 unsigned long dfs_state_entered
;
174 unsigned int dfs_cac_ms
;
178 * enum ieee80211_rate_flags - rate flags
180 * Hardware/specification flags for rates. These are structured
181 * in a way that allows using the same bitrate structure for
182 * different bands/PHY modes.
184 * @IEEE80211_RATE_SHORT_PREAMBLE: Hardware can send with short
185 * preamble on this bitrate; only relevant in 2.4GHz band and
187 * @IEEE80211_RATE_MANDATORY_A: This bitrate is a mandatory rate
188 * when used with 802.11a (on the 5 GHz band); filled by the
189 * core code when registering the wiphy.
190 * @IEEE80211_RATE_MANDATORY_B: This bitrate is a mandatory rate
191 * when used with 802.11b (on the 2.4 GHz band); filled by the
192 * core code when registering the wiphy.
193 * @IEEE80211_RATE_MANDATORY_G: This bitrate is a mandatory rate
194 * when used with 802.11g (on the 2.4 GHz band); filled by the
195 * core code when registering the wiphy.
196 * @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode.
197 * @IEEE80211_RATE_SUPPORTS_5MHZ: Rate can be used in 5 MHz mode
198 * @IEEE80211_RATE_SUPPORTS_10MHZ: Rate can be used in 10 MHz mode
200 enum ieee80211_rate_flags
{
201 IEEE80211_RATE_SHORT_PREAMBLE
= 1<<0,
202 IEEE80211_RATE_MANDATORY_A
= 1<<1,
203 IEEE80211_RATE_MANDATORY_B
= 1<<2,
204 IEEE80211_RATE_MANDATORY_G
= 1<<3,
205 IEEE80211_RATE_ERP_G
= 1<<4,
206 IEEE80211_RATE_SUPPORTS_5MHZ
= 1<<5,
207 IEEE80211_RATE_SUPPORTS_10MHZ
= 1<<6,
211 * struct ieee80211_rate - bitrate definition
213 * This structure describes a bitrate that an 802.11 PHY can
214 * operate with. The two values @hw_value and @hw_value_short
215 * are only for driver use when pointers to this structure are
218 * @flags: rate-specific flags
219 * @bitrate: bitrate in units of 100 Kbps
220 * @hw_value: driver/hardware value for this rate
221 * @hw_value_short: driver/hardware value for this rate when
222 * short preamble is used
224 struct ieee80211_rate
{
227 u16 hw_value
, hw_value_short
;
231 * struct ieee80211_sta_ht_cap - STA's HT capabilities
233 * This structure describes most essential parameters needed
234 * to describe 802.11n HT capabilities for an STA.
236 * @ht_supported: is HT supported by the STA
237 * @cap: HT capabilities map as described in 802.11n spec
238 * @ampdu_factor: Maximum A-MPDU length factor
239 * @ampdu_density: Minimum A-MPDU spacing
240 * @mcs: Supported MCS rates
242 struct ieee80211_sta_ht_cap
{
243 u16 cap
; /* use IEEE80211_HT_CAP_ */
247 struct ieee80211_mcs_info mcs
;
251 * struct ieee80211_sta_vht_cap - STA's VHT capabilities
253 * This structure describes most essential parameters needed
254 * to describe 802.11ac VHT capabilities for an STA.
256 * @vht_supported: is VHT supported by the STA
257 * @cap: VHT capabilities map as described in 802.11ac spec
258 * @vht_mcs: Supported VHT MCS rates
260 struct ieee80211_sta_vht_cap
{
262 u32 cap
; /* use IEEE80211_VHT_CAP_ */
263 struct ieee80211_vht_mcs_info vht_mcs
;
267 * struct ieee80211_supported_band - frequency band definition
269 * This structure describes a frequency band a wiphy
270 * is able to operate in.
272 * @channels: Array of channels the hardware can operate in
274 * @band: the band this structure represents
275 * @n_channels: Number of channels in @channels
276 * @bitrates: Array of bitrates the hardware can operate with
277 * in this band. Must be sorted to give a valid "supported
278 * rates" IE, i.e. CCK rates first, then OFDM.
279 * @n_bitrates: Number of bitrates in @bitrates
280 * @ht_cap: HT capabilities in this band
281 * @vht_cap: VHT capabilities in this band
283 struct ieee80211_supported_band
{
284 struct ieee80211_channel
*channels
;
285 struct ieee80211_rate
*bitrates
;
286 enum ieee80211_band band
;
289 struct ieee80211_sta_ht_cap ht_cap
;
290 struct ieee80211_sta_vht_cap vht_cap
;
294 * Wireless hardware/device configuration structures and methods
298 * DOC: Actions and configuration
300 * Each wireless device and each virtual interface offer a set of configuration
301 * operations and other actions that are invoked by userspace. Each of these
302 * actions is described in the operations structure, and the parameters these
303 * operations use are described separately.
305 * Additionally, some operations are asynchronous and expect to get status
306 * information via some functions that drivers need to call.
308 * Scanning and BSS list handling with its associated functionality is described
309 * in a separate chapter.
313 * struct vif_params - describes virtual interface parameters
314 * @use_4addr: use 4-address frames
315 * @macaddr: address to use for this virtual interface. This will only
316 * be used for non-netdevice interfaces. If this parameter is set
317 * to zero address the driver may determine the address as needed.
321 u8 macaddr
[ETH_ALEN
];
325 * struct key_params - key information
327 * Information about a key
330 * @key_len: length of key material
331 * @cipher: cipher suite selector
332 * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used
333 * with the get_key() callback, must be in little endian,
334 * length given by @seq_len.
335 * @seq_len: length of @seq.
346 * struct cfg80211_chan_def - channel definition
347 * @chan: the (control) channel
348 * @width: channel width
349 * @center_freq1: center frequency of first segment
350 * @center_freq2: center frequency of second segment
351 * (only with 80+80 MHz)
353 struct cfg80211_chan_def
{
354 struct ieee80211_channel
*chan
;
355 enum nl80211_chan_width width
;
361 * cfg80211_get_chandef_type - return old channel type from chandef
362 * @chandef: the channel definition
364 * Return: The old channel type (NOHT, HT20, HT40+/-) from a given
365 * chandef, which must have a bandwidth allowing this conversion.
367 static inline enum nl80211_channel_type
368 cfg80211_get_chandef_type(const struct cfg80211_chan_def
*chandef
)
370 switch (chandef
->width
) {
371 case NL80211_CHAN_WIDTH_20_NOHT
:
372 return NL80211_CHAN_NO_HT
;
373 case NL80211_CHAN_WIDTH_20
:
374 return NL80211_CHAN_HT20
;
375 case NL80211_CHAN_WIDTH_40
:
376 if (chandef
->center_freq1
> chandef
->chan
->center_freq
)
377 return NL80211_CHAN_HT40PLUS
;
378 return NL80211_CHAN_HT40MINUS
;
381 return NL80211_CHAN_NO_HT
;
386 * cfg80211_chandef_create - create channel definition using channel type
387 * @chandef: the channel definition struct to fill
388 * @channel: the control channel
389 * @chantype: the channel type
391 * Given a channel type, create a channel definition.
393 void cfg80211_chandef_create(struct cfg80211_chan_def
*chandef
,
394 struct ieee80211_channel
*channel
,
395 enum nl80211_channel_type chantype
);
398 * cfg80211_chandef_identical - check if two channel definitions are identical
399 * @chandef1: first channel definition
400 * @chandef2: second channel definition
402 * Return: %true if the channels defined by the channel definitions are
403 * identical, %false otherwise.
406 cfg80211_chandef_identical(const struct cfg80211_chan_def
*chandef1
,
407 const struct cfg80211_chan_def
*chandef2
)
409 return (chandef1
->chan
== chandef2
->chan
&&
410 chandef1
->width
== chandef2
->width
&&
411 chandef1
->center_freq1
== chandef2
->center_freq1
&&
412 chandef1
->center_freq2
== chandef2
->center_freq2
);
416 * cfg80211_chandef_compatible - check if two channel definitions are compatible
417 * @chandef1: first channel definition
418 * @chandef2: second channel definition
420 * Return: %NULL if the given channel definitions are incompatible,
421 * chandef1 or chandef2 otherwise.
423 const struct cfg80211_chan_def
*
424 cfg80211_chandef_compatible(const struct cfg80211_chan_def
*chandef1
,
425 const struct cfg80211_chan_def
*chandef2
);
428 * cfg80211_chandef_valid - check if a channel definition is valid
429 * @chandef: the channel definition to check
430 * Return: %true if the channel definition is valid. %false otherwise.
432 bool cfg80211_chandef_valid(const struct cfg80211_chan_def
*chandef
);
435 * cfg80211_chandef_usable - check if secondary channels can be used
436 * @wiphy: the wiphy to validate against
437 * @chandef: the channel definition to check
438 * @prohibited_flags: the regulatory channel flags that must not be set
439 * Return: %true if secondary channels are usable. %false otherwise.
441 bool cfg80211_chandef_usable(struct wiphy
*wiphy
,
442 const struct cfg80211_chan_def
*chandef
,
443 u32 prohibited_flags
);
446 * cfg80211_chandef_dfs_required - checks if radar detection is required
447 * @wiphy: the wiphy to validate against
448 * @chandef: the channel definition to check
449 * Return: 1 if radar detection is required, 0 if it is not, < 0 on error
451 int cfg80211_chandef_dfs_required(struct wiphy
*wiphy
,
452 const struct cfg80211_chan_def
*chandef
);
455 * ieee80211_chandef_rate_flags - returns rate flags for a channel
457 * In some channel types, not all rates may be used - for example CCK
458 * rates may not be used in 5/10 MHz channels.
460 * @chandef: channel definition for the channel
462 * Returns: rate flags which apply for this channel
464 static inline enum ieee80211_rate_flags
465 ieee80211_chandef_rate_flags(struct cfg80211_chan_def
*chandef
)
467 switch (chandef
->width
) {
468 case NL80211_CHAN_WIDTH_5
:
469 return IEEE80211_RATE_SUPPORTS_5MHZ
;
470 case NL80211_CHAN_WIDTH_10
:
471 return IEEE80211_RATE_SUPPORTS_10MHZ
;
479 * ieee80211_chandef_max_power - maximum transmission power for the chandef
481 * In some regulations, the transmit power may depend on the configured channel
482 * bandwidth which may be defined as dBm/MHz. This function returns the actual
483 * max_power for non-standard (20 MHz) channels.
485 * @chandef: channel definition for the channel
487 * Returns: maximum allowed transmission power in dBm for the chandef
490 ieee80211_chandef_max_power(struct cfg80211_chan_def
*chandef
)
492 switch (chandef
->width
) {
493 case NL80211_CHAN_WIDTH_5
:
494 return min(chandef
->chan
->max_reg_power
- 6,
495 chandef
->chan
->max_power
);
496 case NL80211_CHAN_WIDTH_10
:
497 return min(chandef
->chan
->max_reg_power
- 3,
498 chandef
->chan
->max_power
);
502 return chandef
->chan
->max_power
;
506 * enum survey_info_flags - survey information flags
508 * @SURVEY_INFO_NOISE_DBM: noise (in dBm) was filled in
509 * @SURVEY_INFO_IN_USE: channel is currently being used
510 * @SURVEY_INFO_CHANNEL_TIME: channel active time (in ms) was filled in
511 * @SURVEY_INFO_CHANNEL_TIME_BUSY: channel busy time was filled in
512 * @SURVEY_INFO_CHANNEL_TIME_EXT_BUSY: extension channel busy time was filled in
513 * @SURVEY_INFO_CHANNEL_TIME_RX: channel receive time was filled in
514 * @SURVEY_INFO_CHANNEL_TIME_TX: channel transmit time was filled in
516 * Used by the driver to indicate which info in &struct survey_info
517 * it has filled in during the get_survey().
519 enum survey_info_flags
{
520 SURVEY_INFO_NOISE_DBM
= 1<<0,
521 SURVEY_INFO_IN_USE
= 1<<1,
522 SURVEY_INFO_CHANNEL_TIME
= 1<<2,
523 SURVEY_INFO_CHANNEL_TIME_BUSY
= 1<<3,
524 SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
= 1<<4,
525 SURVEY_INFO_CHANNEL_TIME_RX
= 1<<5,
526 SURVEY_INFO_CHANNEL_TIME_TX
= 1<<6,
530 * struct survey_info - channel survey response
532 * @channel: the channel this survey record reports, mandatory
533 * @filled: bitflag of flags from &enum survey_info_flags
534 * @noise: channel noise in dBm. This and all following fields are
536 * @channel_time: amount of time in ms the radio spent on the channel
537 * @channel_time_busy: amount of time the primary channel was sensed busy
538 * @channel_time_ext_busy: amount of time the extension channel was sensed busy
539 * @channel_time_rx: amount of time the radio spent receiving data
540 * @channel_time_tx: amount of time the radio spent transmitting data
542 * Used by dump_survey() to report back per-channel survey information.
544 * This structure can later be expanded with things like
545 * channel duty cycle etc.
548 struct ieee80211_channel
*channel
;
550 u64 channel_time_busy
;
551 u64 channel_time_ext_busy
;
559 * struct cfg80211_crypto_settings - Crypto settings
560 * @wpa_versions: indicates which, if any, WPA versions are enabled
561 * (from enum nl80211_wpa_versions)
562 * @cipher_group: group key cipher suite (or 0 if unset)
563 * @n_ciphers_pairwise: number of AP supported unicast ciphers
564 * @ciphers_pairwise: unicast key cipher suites
565 * @n_akm_suites: number of AKM suites
566 * @akm_suites: AKM suites
567 * @control_port: Whether user space controls IEEE 802.1X port, i.e.,
568 * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
569 * required to assume that the port is unauthorized until authorized by
570 * user space. Otherwise, port is marked authorized by default.
571 * @control_port_ethertype: the control port protocol that should be
572 * allowed through even on unauthorized ports
573 * @control_port_no_encrypt: TRUE to prevent encryption of control port
576 struct cfg80211_crypto_settings
{
579 int n_ciphers_pairwise
;
580 u32 ciphers_pairwise
[NL80211_MAX_NR_CIPHER_SUITES
];
582 u32 akm_suites
[NL80211_MAX_NR_AKM_SUITES
];
584 __be16 control_port_ethertype
;
585 bool control_port_no_encrypt
;
589 * struct cfg80211_beacon_data - beacon data
590 * @head: head portion of beacon (before TIM IE)
591 * or %NULL if not changed
592 * @tail: tail portion of beacon (after TIM IE)
593 * or %NULL if not changed
594 * @head_len: length of @head
595 * @tail_len: length of @tail
596 * @beacon_ies: extra information element(s) to add into Beacon frames or %NULL
597 * @beacon_ies_len: length of beacon_ies in octets
598 * @proberesp_ies: extra information element(s) to add into Probe Response
600 * @proberesp_ies_len: length of proberesp_ies in octets
601 * @assocresp_ies: extra information element(s) to add into (Re)Association
602 * Response frames or %NULL
603 * @assocresp_ies_len: length of assocresp_ies in octets
604 * @probe_resp_len: length of probe response template (@probe_resp)
605 * @probe_resp: probe response template (AP mode only)
607 struct cfg80211_beacon_data
{
608 const u8
*head
, *tail
;
609 const u8
*beacon_ies
;
610 const u8
*proberesp_ies
;
611 const u8
*assocresp_ies
;
612 const u8
*probe_resp
;
614 size_t head_len
, tail_len
;
615 size_t beacon_ies_len
;
616 size_t proberesp_ies_len
;
617 size_t assocresp_ies_len
;
618 size_t probe_resp_len
;
626 * struct cfg80211_acl_data - Access control list data
628 * @acl_policy: ACL policy to be applied on the station's
629 * entry specified by mac_addr
630 * @n_acl_entries: Number of MAC address entries passed
631 * @mac_addrs: List of MAC addresses of stations to be used for ACL
633 struct cfg80211_acl_data
{
634 enum nl80211_acl_policy acl_policy
;
638 struct mac_address mac_addrs
[];
642 * struct cfg80211_ap_settings - AP configuration
644 * Used to configure an AP interface.
646 * @chandef: defines the channel to use
647 * @beacon: beacon data
648 * @beacon_interval: beacon interval
649 * @dtim_period: DTIM period
650 * @ssid: SSID to be used in the BSS (note: may be %NULL if not provided from
652 * @ssid_len: length of @ssid
653 * @hidden_ssid: whether to hide the SSID in Beacon/Probe Response frames
654 * @crypto: crypto settings
655 * @privacy: the BSS uses privacy
656 * @auth_type: Authentication type (algorithm)
657 * @inactivity_timeout: time in seconds to determine station's inactivity.
658 * @p2p_ctwindow: P2P CT Window
659 * @p2p_opp_ps: P2P opportunistic PS
660 * @acl: ACL configuration used by the drivers which has support for
661 * MAC address based access control
662 * @radar_required: set if radar detection is required
664 struct cfg80211_ap_settings
{
665 struct cfg80211_chan_def chandef
;
667 struct cfg80211_beacon_data beacon
;
669 int beacon_interval
, dtim_period
;
672 enum nl80211_hidden_ssid hidden_ssid
;
673 struct cfg80211_crypto_settings crypto
;
675 enum nl80211_auth_type auth_type
;
676 int inactivity_timeout
;
679 const struct cfg80211_acl_data
*acl
;
684 * struct cfg80211_csa_settings - channel switch settings
686 * Used for channel switch
688 * @chandef: defines the channel to use after the switch
689 * @beacon_csa: beacon data while performing the switch
690 * @counter_offset_beacon: offset for the counter within the beacon (tail)
691 * @counter_offset_presp: offset for the counter within the probe response
692 * @beacon_after: beacon data to be used on the new channel
693 * @radar_required: whether radar detection is required on the new channel
694 * @block_tx: whether transmissions should be blocked while changing
695 * @count: number of beacons until switch
697 struct cfg80211_csa_settings
{
698 struct cfg80211_chan_def chandef
;
699 struct cfg80211_beacon_data beacon_csa
;
700 u16 counter_offset_beacon
, counter_offset_presp
;
701 struct cfg80211_beacon_data beacon_after
;
708 * enum station_parameters_apply_mask - station parameter values to apply
709 * @STATION_PARAM_APPLY_UAPSD: apply new uAPSD parameters (uapsd_queues, max_sp)
710 * @STATION_PARAM_APPLY_CAPABILITY: apply new capability
711 * @STATION_PARAM_APPLY_PLINK_STATE: apply new plink state
713 * Not all station parameters have in-band "no change" signalling,
714 * for those that don't these flags will are used.
716 enum station_parameters_apply_mask
{
717 STATION_PARAM_APPLY_UAPSD
= BIT(0),
718 STATION_PARAM_APPLY_CAPABILITY
= BIT(1),
719 STATION_PARAM_APPLY_PLINK_STATE
= BIT(2),
723 * struct station_parameters - station parameters
725 * Used to change and create a new station.
727 * @vlan: vlan interface station should belong to
728 * @supported_rates: supported rates in IEEE 802.11 format
729 * (or NULL for no change)
730 * @supported_rates_len: number of supported rates
731 * @sta_flags_mask: station flags that changed
732 * (bitmask of BIT(NL80211_STA_FLAG_...))
733 * @sta_flags_set: station flags values
734 * (bitmask of BIT(NL80211_STA_FLAG_...))
735 * @listen_interval: listen interval or -1 for no change
736 * @aid: AID or zero for no change
737 * @plink_action: plink action to take
738 * @plink_state: set the peer link state for a station
739 * @ht_capa: HT capabilities of station
740 * @vht_capa: VHT capabilities of station
741 * @uapsd_queues: bitmap of queues configured for uapsd. same format
742 * as the AC bitmap in the QoS info field
743 * @max_sp: max Service Period. same format as the MAX_SP in the
744 * QoS info field (but already shifted down)
745 * @sta_modify_mask: bitmap indicating which parameters changed
746 * (for those that don't have a natural "no change" value),
747 * see &enum station_parameters_apply_mask
748 * @local_pm: local link-specific mesh power save mode (no change when set
750 * @capability: station capability
751 * @ext_capab: extended capabilities of the station
752 * @ext_capab_len: number of extended capabilities
753 * @supported_channels: supported channels in IEEE 802.11 format
754 * @supported_channels_len: number of supported channels
755 * @supported_oper_classes: supported oper classes in IEEE 802.11 format
756 * @supported_oper_classes_len: number of supported operating classes
757 * @opmode_notif: operating mode field from Operating Mode Notification
758 * @opmode_notif_used: information if operating mode field is used
760 struct station_parameters
{
761 const u8
*supported_rates
;
762 struct net_device
*vlan
;
763 u32 sta_flags_mask
, sta_flags_set
;
767 u8 supported_rates_len
;
770 const struct ieee80211_ht_cap
*ht_capa
;
771 const struct ieee80211_vht_cap
*vht_capa
;
774 enum nl80211_mesh_power_mode local_pm
;
778 const u8
*supported_channels
;
779 u8 supported_channels_len
;
780 const u8
*supported_oper_classes
;
781 u8 supported_oper_classes_len
;
783 bool opmode_notif_used
;
787 * enum cfg80211_station_type - the type of station being modified
788 * @CFG80211_STA_AP_CLIENT: client of an AP interface
789 * @CFG80211_STA_AP_MLME_CLIENT: client of an AP interface that has
790 * the AP MLME in the device
791 * @CFG80211_STA_AP_STA: AP station on managed interface
792 * @CFG80211_STA_IBSS: IBSS station
793 * @CFG80211_STA_TDLS_PEER_SETUP: TDLS peer on managed interface (dummy entry
794 * while TDLS setup is in progress, it moves out of this state when
795 * being marked authorized; use this only if TDLS with external setup is
797 * @CFG80211_STA_TDLS_PEER_ACTIVE: TDLS peer on managed interface (active
798 * entry that is operating, has been marked authorized by userspace)
799 * @CFG80211_STA_MESH_PEER_KERNEL: peer on mesh interface (kernel managed)
800 * @CFG80211_STA_MESH_PEER_USER: peer on mesh interface (user managed)
802 enum cfg80211_station_type
{
803 CFG80211_STA_AP_CLIENT
,
804 CFG80211_STA_AP_MLME_CLIENT
,
807 CFG80211_STA_TDLS_PEER_SETUP
,
808 CFG80211_STA_TDLS_PEER_ACTIVE
,
809 CFG80211_STA_MESH_PEER_KERNEL
,
810 CFG80211_STA_MESH_PEER_USER
,
814 * cfg80211_check_station_change - validate parameter changes
815 * @wiphy: the wiphy this operates on
816 * @params: the new parameters for a station
817 * @statype: the type of station being modified
819 * Utility function for the @change_station driver method. Call this function
820 * with the appropriate station type looking up the station (and checking that
821 * it exists). It will verify whether the station change is acceptable, and if
822 * not will return an error code. Note that it may modify the parameters for
823 * backward compatibility reasons, so don't use them before calling this.
825 int cfg80211_check_station_change(struct wiphy
*wiphy
,
826 struct station_parameters
*params
,
827 enum cfg80211_station_type statype
);
830 * enum station_info_flags - station information flags
832 * Used by the driver to indicate which info in &struct station_info
833 * it has filled in during get_station() or dump_station().
835 * @STATION_INFO_INACTIVE_TIME: @inactive_time filled
836 * @STATION_INFO_RX_BYTES: @rx_bytes filled
837 * @STATION_INFO_TX_BYTES: @tx_bytes filled
838 * @STATION_INFO_RX_BYTES64: @rx_bytes filled with 64-bit value
839 * @STATION_INFO_TX_BYTES64: @tx_bytes filled with 64-bit value
840 * @STATION_INFO_LLID: @llid filled
841 * @STATION_INFO_PLID: @plid filled
842 * @STATION_INFO_PLINK_STATE: @plink_state filled
843 * @STATION_INFO_SIGNAL: @signal filled
844 * @STATION_INFO_TX_BITRATE: @txrate fields are filled
845 * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
846 * @STATION_INFO_RX_PACKETS: @rx_packets filled with 32-bit value
847 * @STATION_INFO_TX_PACKETS: @tx_packets filled with 32-bit value
848 * @STATION_INFO_TX_RETRIES: @tx_retries filled
849 * @STATION_INFO_TX_FAILED: @tx_failed filled
850 * @STATION_INFO_RX_DROP_MISC: @rx_dropped_misc filled
851 * @STATION_INFO_SIGNAL_AVG: @signal_avg filled
852 * @STATION_INFO_RX_BITRATE: @rxrate fields are filled
853 * @STATION_INFO_BSS_PARAM: @bss_param filled
854 * @STATION_INFO_CONNECTED_TIME: @connected_time filled
855 * @STATION_INFO_ASSOC_REQ_IES: @assoc_req_ies filled
856 * @STATION_INFO_STA_FLAGS: @sta_flags filled
857 * @STATION_INFO_BEACON_LOSS_COUNT: @beacon_loss_count filled
858 * @STATION_INFO_T_OFFSET: @t_offset filled
859 * @STATION_INFO_LOCAL_PM: @local_pm filled
860 * @STATION_INFO_PEER_PM: @peer_pm filled
861 * @STATION_INFO_NONPEER_PM: @nonpeer_pm filled
862 * @STATION_INFO_CHAIN_SIGNAL: @chain_signal filled
863 * @STATION_INFO_CHAIN_SIGNAL_AVG: @chain_signal_avg filled
865 enum station_info_flags
{
866 STATION_INFO_INACTIVE_TIME
= 1<<0,
867 STATION_INFO_RX_BYTES
= 1<<1,
868 STATION_INFO_TX_BYTES
= 1<<2,
869 STATION_INFO_LLID
= 1<<3,
870 STATION_INFO_PLID
= 1<<4,
871 STATION_INFO_PLINK_STATE
= 1<<5,
872 STATION_INFO_SIGNAL
= 1<<6,
873 STATION_INFO_TX_BITRATE
= 1<<7,
874 STATION_INFO_RX_PACKETS
= 1<<8,
875 STATION_INFO_TX_PACKETS
= 1<<9,
876 STATION_INFO_TX_RETRIES
= 1<<10,
877 STATION_INFO_TX_FAILED
= 1<<11,
878 STATION_INFO_RX_DROP_MISC
= 1<<12,
879 STATION_INFO_SIGNAL_AVG
= 1<<13,
880 STATION_INFO_RX_BITRATE
= 1<<14,
881 STATION_INFO_BSS_PARAM
= 1<<15,
882 STATION_INFO_CONNECTED_TIME
= 1<<16,
883 STATION_INFO_ASSOC_REQ_IES
= 1<<17,
884 STATION_INFO_STA_FLAGS
= 1<<18,
885 STATION_INFO_BEACON_LOSS_COUNT
= 1<<19,
886 STATION_INFO_T_OFFSET
= 1<<20,
887 STATION_INFO_LOCAL_PM
= 1<<21,
888 STATION_INFO_PEER_PM
= 1<<22,
889 STATION_INFO_NONPEER_PM
= 1<<23,
890 STATION_INFO_RX_BYTES64
= 1<<24,
891 STATION_INFO_TX_BYTES64
= 1<<25,
892 STATION_INFO_CHAIN_SIGNAL
= 1<<26,
893 STATION_INFO_CHAIN_SIGNAL_AVG
= 1<<27,
897 * enum station_info_rate_flags - bitrate info flags
899 * Used by the driver to indicate the specific rate transmission
900 * type for 802.11n transmissions.
902 * @RATE_INFO_FLAGS_MCS: mcs field filled with HT MCS
903 * @RATE_INFO_FLAGS_VHT_MCS: mcs field filled with VHT MCS
904 * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 MHz width transmission
905 * @RATE_INFO_FLAGS_80_MHZ_WIDTH: 80 MHz width transmission
906 * @RATE_INFO_FLAGS_80P80_MHZ_WIDTH: 80+80 MHz width transmission
907 * @RATE_INFO_FLAGS_160_MHZ_WIDTH: 160 MHz width transmission
908 * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
909 * @RATE_INFO_FLAGS_60G: 60GHz MCS
911 enum rate_info_flags
{
912 RATE_INFO_FLAGS_MCS
= BIT(0),
913 RATE_INFO_FLAGS_VHT_MCS
= BIT(1),
914 RATE_INFO_FLAGS_40_MHZ_WIDTH
= BIT(2),
915 RATE_INFO_FLAGS_80_MHZ_WIDTH
= BIT(3),
916 RATE_INFO_FLAGS_80P80_MHZ_WIDTH
= BIT(4),
917 RATE_INFO_FLAGS_160_MHZ_WIDTH
= BIT(5),
918 RATE_INFO_FLAGS_SHORT_GI
= BIT(6),
919 RATE_INFO_FLAGS_60G
= BIT(7),
923 * struct rate_info - bitrate information
925 * Information about a receiving or transmitting bitrate
927 * @flags: bitflag of flags from &enum rate_info_flags
928 * @mcs: mcs index if struct describes a 802.11n bitrate
929 * @legacy: bitrate in 100kbit/s for 802.11abg
930 * @nss: number of streams (VHT only)
940 * enum station_info_rate_flags - bitrate info flags
942 * Used by the driver to indicate the specific rate transmission
943 * type for 802.11n transmissions.
945 * @BSS_PARAM_FLAGS_CTS_PROT: whether CTS protection is enabled
946 * @BSS_PARAM_FLAGS_SHORT_PREAMBLE: whether short preamble is enabled
947 * @BSS_PARAM_FLAGS_SHORT_SLOT_TIME: whether short slot time is enabled
949 enum bss_param_flags
{
950 BSS_PARAM_FLAGS_CTS_PROT
= 1<<0,
951 BSS_PARAM_FLAGS_SHORT_PREAMBLE
= 1<<1,
952 BSS_PARAM_FLAGS_SHORT_SLOT_TIME
= 1<<2,
956 * struct sta_bss_parameters - BSS parameters for the attached station
958 * Information about the currently associated BSS
960 * @flags: bitflag of flags from &enum bss_param_flags
961 * @dtim_period: DTIM period for the BSS
962 * @beacon_interval: beacon interval
964 struct sta_bss_parameters
{
970 #define IEEE80211_MAX_CHAINS 4
973 * struct station_info - station information
975 * Station information filled by driver for get_station() and dump_station.
977 * @filled: bitflag of flags from &enum station_info_flags
978 * @connected_time: time(in secs) since a station is last connected
979 * @inactive_time: time since last station activity (tx/rx) in milliseconds
980 * @rx_bytes: bytes received from this station
981 * @tx_bytes: bytes transmitted to this station
982 * @llid: mesh local link id
983 * @plid: mesh peer link id
984 * @plink_state: mesh peer link state
985 * @signal: The signal strength, type depends on the wiphy's signal_type.
986 * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
987 * @signal_avg: Average signal strength, type depends on the wiphy's signal_type.
988 * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
989 * @chains: bitmask for filled values in @chain_signal, @chain_signal_avg
990 * @chain_signal: per-chain signal strength of last received packet in dBm
991 * @chain_signal_avg: per-chain signal strength average in dBm
992 * @txrate: current unicast bitrate from this station
993 * @rxrate: current unicast bitrate to this station
994 * @rx_packets: packets received from this station
995 * @tx_packets: packets transmitted to this station
996 * @tx_retries: cumulative retry counts
997 * @tx_failed: number of failed transmissions (retries exceeded, no ACK)
998 * @rx_dropped_misc: Dropped for un-specified reason.
999 * @bss_param: current BSS parameters
1000 * @generation: generation number for nl80211 dumps.
1001 * This number should increase every time the list of stations
1002 * changes, i.e. when a station is added or removed, so that
1003 * userspace can tell whether it got a consistent snapshot.
1004 * @assoc_req_ies: IEs from (Re)Association Request.
1005 * This is used only when in AP mode with drivers that do not use
1006 * user space MLME/SME implementation. The information is provided for
1007 * the cfg80211_new_sta() calls to notify user space of the IEs.
1008 * @assoc_req_ies_len: Length of assoc_req_ies buffer in octets.
1009 * @sta_flags: station flags mask & values
1010 * @beacon_loss_count: Number of times beacon loss event has triggered.
1011 * @t_offset: Time offset of the station relative to this host.
1012 * @local_pm: local mesh STA power save mode
1013 * @peer_pm: peer mesh STA power save mode
1014 * @nonpeer_pm: non-peer mesh STA power save mode
1016 struct station_info
{
1029 s8 chain_signal
[IEEE80211_MAX_CHAINS
];
1030 s8 chain_signal_avg
[IEEE80211_MAX_CHAINS
];
1032 struct rate_info txrate
;
1033 struct rate_info rxrate
;
1038 u32 rx_dropped_misc
;
1039 struct sta_bss_parameters bss_param
;
1040 struct nl80211_sta_flag_update sta_flags
;
1044 const u8
*assoc_req_ies
;
1045 size_t assoc_req_ies_len
;
1047 u32 beacon_loss_count
;
1049 enum nl80211_mesh_power_mode local_pm
;
1050 enum nl80211_mesh_power_mode peer_pm
;
1051 enum nl80211_mesh_power_mode nonpeer_pm
;
1054 * Note: Add a new enum station_info_flags value for each new field and
1055 * use it to check which fields are initialized.
1060 * enum monitor_flags - monitor flags
1062 * Monitor interface configuration flags. Note that these must be the bits
1063 * according to the nl80211 flags.
1065 * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS
1066 * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP
1067 * @MONITOR_FLAG_CONTROL: pass control frames
1068 * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering
1069 * @MONITOR_FLAG_COOK_FRAMES: report frames after processing
1070 * @MONITOR_FLAG_ACTIVE: active monitor, ACKs frames on its MAC address
1072 enum monitor_flags
{
1073 MONITOR_FLAG_FCSFAIL
= 1<<NL80211_MNTR_FLAG_FCSFAIL
,
1074 MONITOR_FLAG_PLCPFAIL
= 1<<NL80211_MNTR_FLAG_PLCPFAIL
,
1075 MONITOR_FLAG_CONTROL
= 1<<NL80211_MNTR_FLAG_CONTROL
,
1076 MONITOR_FLAG_OTHER_BSS
= 1<<NL80211_MNTR_FLAG_OTHER_BSS
,
1077 MONITOR_FLAG_COOK_FRAMES
= 1<<NL80211_MNTR_FLAG_COOK_FRAMES
,
1078 MONITOR_FLAG_ACTIVE
= 1<<NL80211_MNTR_FLAG_ACTIVE
,
1082 * enum mpath_info_flags - mesh path information flags
1084 * Used by the driver to indicate which info in &struct mpath_info it has filled
1085 * in during get_station() or dump_station().
1087 * @MPATH_INFO_FRAME_QLEN: @frame_qlen filled
1088 * @MPATH_INFO_SN: @sn filled
1089 * @MPATH_INFO_METRIC: @metric filled
1090 * @MPATH_INFO_EXPTIME: @exptime filled
1091 * @MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled
1092 * @MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled
1093 * @MPATH_INFO_FLAGS: @flags filled
1095 enum mpath_info_flags
{
1096 MPATH_INFO_FRAME_QLEN
= BIT(0),
1097 MPATH_INFO_SN
= BIT(1),
1098 MPATH_INFO_METRIC
= BIT(2),
1099 MPATH_INFO_EXPTIME
= BIT(3),
1100 MPATH_INFO_DISCOVERY_TIMEOUT
= BIT(4),
1101 MPATH_INFO_DISCOVERY_RETRIES
= BIT(5),
1102 MPATH_INFO_FLAGS
= BIT(6),
1106 * struct mpath_info - mesh path information
1108 * Mesh path information filled by driver for get_mpath() and dump_mpath().
1110 * @filled: bitfield of flags from &enum mpath_info_flags
1111 * @frame_qlen: number of queued frames for this destination
1112 * @sn: target sequence number
1113 * @metric: metric (cost) of this mesh path
1114 * @exptime: expiration time for the mesh path from now, in msecs
1115 * @flags: mesh path flags
1116 * @discovery_timeout: total mesh path discovery timeout, in msecs
1117 * @discovery_retries: mesh path discovery retries
1118 * @generation: generation number for nl80211 dumps.
1119 * This number should increase every time the list of mesh paths
1120 * changes, i.e. when a station is added or removed, so that
1121 * userspace can tell whether it got a consistent snapshot.
1129 u32 discovery_timeout
;
1130 u8 discovery_retries
;
1137 * struct bss_parameters - BSS parameters
1139 * Used to change BSS parameters (mainly for AP mode).
1141 * @use_cts_prot: Whether to use CTS protection
1142 * (0 = no, 1 = yes, -1 = do not change)
1143 * @use_short_preamble: Whether the use of short preambles is allowed
1144 * (0 = no, 1 = yes, -1 = do not change)
1145 * @use_short_slot_time: Whether the use of short slot time is allowed
1146 * (0 = no, 1 = yes, -1 = do not change)
1147 * @basic_rates: basic rates in IEEE 802.11 format
1148 * (or NULL for no change)
1149 * @basic_rates_len: number of basic rates
1150 * @ap_isolate: do not forward packets between connected stations
1151 * @ht_opmode: HT Operation mode
1152 * (u16 = opmode, -1 = do not change)
1153 * @p2p_ctwindow: P2P CT Window (-1 = no change)
1154 * @p2p_opp_ps: P2P opportunistic PS (-1 = no change)
1156 struct bss_parameters
{
1158 int use_short_preamble
;
1159 int use_short_slot_time
;
1164 s8 p2p_ctwindow
, p2p_opp_ps
;
1168 * struct mesh_config - 802.11s mesh configuration
1170 * These parameters can be changed while the mesh is active.
1172 * @dot11MeshRetryTimeout: the initial retry timeout in millisecond units used
1173 * by the Mesh Peering Open message
1174 * @dot11MeshConfirmTimeout: the initial retry timeout in millisecond units
1175 * used by the Mesh Peering Open message
1176 * @dot11MeshHoldingTimeout: the confirm timeout in millisecond units used by
1177 * the mesh peering management to close a mesh peering
1178 * @dot11MeshMaxPeerLinks: the maximum number of peer links allowed on this
1180 * @dot11MeshMaxRetries: the maximum number of peer link open retries that can
1181 * be sent to establish a new peer link instance in a mesh
1182 * @dot11MeshTTL: the value of TTL field set at a source mesh STA
1183 * @element_ttl: the value of TTL field set at a mesh STA for path selection
1185 * @auto_open_plinks: whether we should automatically open peer links when we
1186 * detect compatible mesh peers
1187 * @dot11MeshNbrOffsetMaxNeighbor: the maximum number of neighbors to
1188 * synchronize to for 11s default synchronization method
1189 * @dot11MeshHWMPmaxPREQretries: the number of action frames containing a PREQ
1190 * that an originator mesh STA can send to a particular path target
1191 * @path_refresh_time: how frequently to refresh mesh paths in milliseconds
1192 * @min_discovery_timeout: the minimum length of time to wait until giving up on
1193 * a path discovery in milliseconds
1194 * @dot11MeshHWMPactivePathTimeout: the time (in TUs) for which mesh STAs
1195 * receiving a PREQ shall consider the forwarding information from the
1196 * root to be valid. (TU = time unit)
1197 * @dot11MeshHWMPpreqMinInterval: the minimum interval of time (in TUs) during
1198 * which a mesh STA can send only one action frame containing a PREQ
1200 * @dot11MeshHWMPperrMinInterval: the minimum interval of time (in TUs) during
1201 * which a mesh STA can send only one Action frame containing a PERR
1203 * @dot11MeshHWMPnetDiameterTraversalTime: the interval of time (in TUs) that
1204 * it takes for an HWMP information element to propagate across the mesh
1205 * @dot11MeshHWMPRootMode: the configuration of a mesh STA as root mesh STA
1206 * @dot11MeshHWMPRannInterval: the interval of time (in TUs) between root
1207 * announcements are transmitted
1208 * @dot11MeshGateAnnouncementProtocol: whether to advertise that this mesh
1209 * station has access to a broader network beyond the MBSS. (This is
1210 * missnamed in draft 12.0: dot11MeshGateAnnouncementProtocol set to true
1211 * only means that the station will announce others it's a mesh gate, but
1212 * not necessarily using the gate announcement protocol. Still keeping the
1213 * same nomenclature to be in sync with the spec)
1214 * @dot11MeshForwarding: whether the Mesh STA is forwarding or non-forwarding
1215 * entity (default is TRUE - forwarding entity)
1216 * @rssi_threshold: the threshold for average signal strength of candidate
1217 * station to establish a peer link
1218 * @ht_opmode: mesh HT protection mode
1220 * @dot11MeshHWMPactivePathToRootTimeout: The time (in TUs) for which mesh STAs
1221 * receiving a proactive PREQ shall consider the forwarding information to
1222 * the root mesh STA to be valid.
1224 * @dot11MeshHWMProotInterval: The interval of time (in TUs) between proactive
1225 * PREQs are transmitted.
1226 * @dot11MeshHWMPconfirmationInterval: The minimum interval of time (in TUs)
1227 * during which a mesh STA can send only one Action frame containing
1228 * a PREQ element for root path confirmation.
1229 * @power_mode: The default mesh power save mode which will be the initial
1230 * setting for new peer links.
1231 * @dot11MeshAwakeWindowDuration: The duration in TUs the STA will remain awake
1232 * after transmitting its beacon.
1233 * @plink_timeout: If no tx activity is seen from a STA we've established
1234 * peering with for longer than this time (in seconds), then remove it
1235 * from the STA's list of peers. Default is 30 minutes.
1237 struct mesh_config
{
1238 u16 dot11MeshRetryTimeout
;
1239 u16 dot11MeshConfirmTimeout
;
1240 u16 dot11MeshHoldingTimeout
;
1241 u16 dot11MeshMaxPeerLinks
;
1242 u8 dot11MeshMaxRetries
;
1245 bool auto_open_plinks
;
1246 u32 dot11MeshNbrOffsetMaxNeighbor
;
1247 u8 dot11MeshHWMPmaxPREQretries
;
1248 u32 path_refresh_time
;
1249 u16 min_discovery_timeout
;
1250 u32 dot11MeshHWMPactivePathTimeout
;
1251 u16 dot11MeshHWMPpreqMinInterval
;
1252 u16 dot11MeshHWMPperrMinInterval
;
1253 u16 dot11MeshHWMPnetDiameterTraversalTime
;
1254 u8 dot11MeshHWMPRootMode
;
1255 u16 dot11MeshHWMPRannInterval
;
1256 bool dot11MeshGateAnnouncementProtocol
;
1257 bool dot11MeshForwarding
;
1260 u32 dot11MeshHWMPactivePathToRootTimeout
;
1261 u16 dot11MeshHWMProotInterval
;
1262 u16 dot11MeshHWMPconfirmationInterval
;
1263 enum nl80211_mesh_power_mode power_mode
;
1264 u16 dot11MeshAwakeWindowDuration
;
1269 * struct mesh_setup - 802.11s mesh setup configuration
1270 * @chandef: defines the channel to use
1271 * @mesh_id: the mesh ID
1272 * @mesh_id_len: length of the mesh ID, at least 1 and at most 32 bytes
1273 * @sync_method: which synchronization method to use
1274 * @path_sel_proto: which path selection protocol to use
1275 * @path_metric: which metric to use
1276 * @auth_id: which authentication method this mesh is using
1277 * @ie: vendor information elements (optional)
1278 * @ie_len: length of vendor information elements
1279 * @is_authenticated: this mesh requires authentication
1280 * @is_secure: this mesh uses security
1281 * @user_mpm: userspace handles all MPM functions
1282 * @dtim_period: DTIM period to use
1283 * @beacon_interval: beacon interval to use
1284 * @mcast_rate: multicat rate for Mesh Node [6Mbps is the default for 802.11a]
1285 * @basic_rates: basic rates to use when creating the mesh
1287 * These parameters are fixed when the mesh is created.
1290 struct cfg80211_chan_def chandef
;
1299 bool is_authenticated
;
1303 u16 beacon_interval
;
1304 int mcast_rate
[IEEE80211_NUM_BANDS
];
1309 * struct ieee80211_txq_params - TX queue parameters
1310 * @ac: AC identifier
1311 * @txop: Maximum burst time in units of 32 usecs, 0 meaning disabled
1312 * @cwmin: Minimum contention window [a value of the form 2^n-1 in the range
1314 * @cwmax: Maximum contention window [a value of the form 2^n-1 in the range
1316 * @aifs: Arbitration interframe space [0..255]
1318 struct ieee80211_txq_params
{
1327 * DOC: Scanning and BSS list handling
1329 * The scanning process itself is fairly simple, but cfg80211 offers quite
1330 * a bit of helper functionality. To start a scan, the scan operation will
1331 * be invoked with a scan definition. This scan definition contains the
1332 * channels to scan, and the SSIDs to send probe requests for (including the
1333 * wildcard, if desired). A passive scan is indicated by having no SSIDs to
1334 * probe. Additionally, a scan request may contain extra information elements
1335 * that should be added to the probe request. The IEs are guaranteed to be
1336 * well-formed, and will not exceed the maximum length the driver advertised
1337 * in the wiphy structure.
1339 * When scanning finds a BSS, cfg80211 needs to be notified of that, because
1340 * it is responsible for maintaining the BSS list; the driver should not
1341 * maintain a list itself. For this notification, various functions exist.
1343 * Since drivers do not maintain a BSS list, there are also a number of
1344 * functions to search for a BSS and obtain information about it from the
1345 * BSS structure cfg80211 maintains. The BSS list is also made available
1350 * struct cfg80211_ssid - SSID description
1352 * @ssid_len: length of the ssid
1354 struct cfg80211_ssid
{
1355 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
1360 * struct cfg80211_scan_request - scan request description
1362 * @ssids: SSIDs to scan for (active scan only)
1363 * @n_ssids: number of SSIDs
1364 * @channels: channels to scan on.
1365 * @n_channels: total number of channels to scan
1366 * @scan_width: channel width for scanning
1367 * @ie: optional information element(s) to add into Probe Request or %NULL
1368 * @ie_len: length of ie in octets
1369 * @flags: bit field of flags controlling operation
1370 * @rates: bitmap of rates to advertise for each band
1371 * @wiphy: the wiphy this was for
1372 * @scan_start: time (in jiffies) when the scan started
1373 * @wdev: the wireless device to scan for
1374 * @aborted: (internal) scan request was notified as aborted
1375 * @notified: (internal) scan request was notified as done or aborted
1376 * @no_cck: used to send probe requests at non CCK rate in 2GHz band
1378 struct cfg80211_scan_request
{
1379 struct cfg80211_ssid
*ssids
;
1382 enum nl80211_bss_scan_width scan_width
;
1387 u32 rates
[IEEE80211_NUM_BANDS
];
1389 struct wireless_dev
*wdev
;
1392 struct wiphy
*wiphy
;
1393 unsigned long scan_start
;
1394 bool aborted
, notified
;
1398 struct ieee80211_channel
*channels
[0];
1402 * struct cfg80211_match_set - sets of attributes to match
1404 * @ssid: SSID to be matched; may be zero-length for no match (RSSI only)
1405 * @rssi_thold: don't report scan results below this threshold (in s32 dBm)
1407 struct cfg80211_match_set
{
1408 struct cfg80211_ssid ssid
;
1413 * struct cfg80211_sched_scan_request - scheduled scan request description
1415 * @ssids: SSIDs to scan for (passed in the probe_reqs in active scans)
1416 * @n_ssids: number of SSIDs
1417 * @n_channels: total number of channels to scan
1418 * @scan_width: channel width for scanning
1419 * @interval: interval between each scheduled scan cycle
1420 * @ie: optional information element(s) to add into Probe Request or %NULL
1421 * @ie_len: length of ie in octets
1422 * @flags: bit field of flags controlling operation
1423 * @match_sets: sets of parameters to be matched for a scan result
1424 * entry to be considered valid and to be passed to the host
1425 * (others are filtered out).
1426 * If ommited, all results are passed.
1427 * @n_match_sets: number of match sets
1428 * @wiphy: the wiphy this was for
1429 * @dev: the interface
1430 * @scan_start: start time of the scheduled scan
1431 * @channels: channels to scan
1432 * @min_rssi_thold: for drivers only supporting a single threshold, this
1433 * contains the minimum over all matchsets
1435 struct cfg80211_sched_scan_request
{
1436 struct cfg80211_ssid
*ssids
;
1439 enum nl80211_bss_scan_width scan_width
;
1444 struct cfg80211_match_set
*match_sets
;
1449 struct wiphy
*wiphy
;
1450 struct net_device
*dev
;
1451 unsigned long scan_start
;
1454 struct ieee80211_channel
*channels
[0];
1458 * enum cfg80211_signal_type - signal type
1460 * @CFG80211_SIGNAL_TYPE_NONE: no signal strength information available
1461 * @CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm)
1462 * @CFG80211_SIGNAL_TYPE_UNSPEC: signal strength, increasing from 0 through 100
1464 enum cfg80211_signal_type
{
1465 CFG80211_SIGNAL_TYPE_NONE
,
1466 CFG80211_SIGNAL_TYPE_MBM
,
1467 CFG80211_SIGNAL_TYPE_UNSPEC
,
1471 * struct cfg80211_bss_ie_data - BSS entry IE data
1472 * @tsf: TSF contained in the frame that carried these IEs
1473 * @rcu_head: internal use, for freeing
1474 * @len: length of the IEs
1477 struct cfg80211_bss_ies
{
1479 struct rcu_head rcu_head
;
1485 * struct cfg80211_bss - BSS description
1487 * This structure describes a BSS (which may also be a mesh network)
1488 * for use in scan results and similar.
1490 * @channel: channel this BSS is on
1491 * @scan_width: width of the control channel
1492 * @bssid: BSSID of the BSS
1493 * @beacon_interval: the beacon interval as from the frame
1494 * @capability: the capability field in host byte order
1495 * @ies: the information elements (Note that there is no guarantee that these
1496 * are well-formed!); this is a pointer to either the beacon_ies or
1497 * proberesp_ies depending on whether Probe Response frame has been
1498 * received. It is always non-%NULL.
1499 * @beacon_ies: the information elements from the last Beacon frame
1500 * (implementation note: if @hidden_beacon_bss is set this struct doesn't
1501 * own the beacon_ies, but they're just pointers to the ones from the
1502 * @hidden_beacon_bss struct)
1503 * @proberesp_ies: the information elements from the last Probe Response frame
1504 * @hidden_beacon_bss: in case this BSS struct represents a probe response from
1505 * a BSS that hides the SSID in its beacon, this points to the BSS struct
1506 * that holds the beacon data. @beacon_ies is still valid, of course, and
1507 * points to the same data as hidden_beacon_bss->beacon_ies in that case.
1508 * @signal: signal strength value (type depends on the wiphy's signal_type)
1509 * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes
1511 struct cfg80211_bss
{
1512 struct ieee80211_channel
*channel
;
1513 enum nl80211_bss_scan_width scan_width
;
1515 const struct cfg80211_bss_ies __rcu
*ies
;
1516 const struct cfg80211_bss_ies __rcu
*beacon_ies
;
1517 const struct cfg80211_bss_ies __rcu
*proberesp_ies
;
1519 struct cfg80211_bss
*hidden_beacon_bss
;
1523 u16 beacon_interval
;
1528 u8 priv
[0] __aligned(sizeof(void *));
1532 * ieee80211_bss_get_ie - find IE with given ID
1533 * @bss: the bss to search
1536 * Note that the return value is an RCU-protected pointer, so
1537 * rcu_read_lock() must be held when calling this function.
1538 * Return: %NULL if not found.
1540 const u8
*ieee80211_bss_get_ie(struct cfg80211_bss
*bss
, u8 ie
);
1544 * struct cfg80211_auth_request - Authentication request data
1546 * This structure provides information needed to complete IEEE 802.11
1549 * @bss: The BSS to authenticate with, the callee must obtain a reference
1550 * to it if it needs to keep it.
1551 * @auth_type: Authentication type (algorithm)
1552 * @ie: Extra IEs to add to Authentication frame or %NULL
1553 * @ie_len: Length of ie buffer in octets
1554 * @key_len: length of WEP key for shared key authentication
1555 * @key_idx: index of WEP key for shared key authentication
1556 * @key: WEP key for shared key authentication
1557 * @sae_data: Non-IE data to use with SAE or %NULL. This starts with
1558 * Authentication transaction sequence number field.
1559 * @sae_data_len: Length of sae_data buffer in octets
1561 struct cfg80211_auth_request
{
1562 struct cfg80211_bss
*bss
;
1565 enum nl80211_auth_type auth_type
;
1567 u8 key_len
, key_idx
;
1569 size_t sae_data_len
;
1573 * enum cfg80211_assoc_req_flags - Over-ride default behaviour in association.
1575 * @ASSOC_REQ_DISABLE_HT: Disable HT (802.11n)
1576 * @ASSOC_REQ_DISABLE_VHT: Disable VHT
1578 enum cfg80211_assoc_req_flags
{
1579 ASSOC_REQ_DISABLE_HT
= BIT(0),
1580 ASSOC_REQ_DISABLE_VHT
= BIT(1),
1584 * struct cfg80211_assoc_request - (Re)Association request data
1586 * This structure provides information needed to complete IEEE 802.11
1588 * @bss: The BSS to associate with. If the call is successful the driver is
1589 * given a reference that it must give back to cfg80211_send_rx_assoc()
1590 * or to cfg80211_assoc_timeout(). To ensure proper refcounting, new
1591 * association requests while already associating must be rejected.
1592 * @ie: Extra IEs to add to (Re)Association Request frame or %NULL
1593 * @ie_len: Length of ie buffer in octets
1594 * @use_mfp: Use management frame protection (IEEE 802.11w) in this association
1595 * @crypto: crypto settings
1596 * @prev_bssid: previous BSSID, if not %NULL use reassociate frame
1597 * @flags: See &enum cfg80211_assoc_req_flags
1598 * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
1599 * will be used in ht_capa. Un-supported values will be ignored.
1600 * @ht_capa_mask: The bits of ht_capa which are to be used.
1601 * @vht_capa: VHT capability override
1602 * @vht_capa_mask: VHT capability mask indicating which fields to use
1604 struct cfg80211_assoc_request
{
1605 struct cfg80211_bss
*bss
;
1606 const u8
*ie
, *prev_bssid
;
1608 struct cfg80211_crypto_settings crypto
;
1611 struct ieee80211_ht_cap ht_capa
;
1612 struct ieee80211_ht_cap ht_capa_mask
;
1613 struct ieee80211_vht_cap vht_capa
, vht_capa_mask
;
1617 * struct cfg80211_deauth_request - Deauthentication request data
1619 * This structure provides information needed to complete IEEE 802.11
1622 * @bssid: the BSSID of the BSS to deauthenticate from
1623 * @ie: Extra IEs to add to Deauthentication frame or %NULL
1624 * @ie_len: Length of ie buffer in octets
1625 * @reason_code: The reason code for the deauthentication
1626 * @local_state_change: if set, change local state only and
1627 * do not set a deauth frame
1629 struct cfg80211_deauth_request
{
1634 bool local_state_change
;
1638 * struct cfg80211_disassoc_request - Disassociation request data
1640 * This structure provides information needed to complete IEEE 802.11
1643 * @bss: the BSS to disassociate from
1644 * @ie: Extra IEs to add to Disassociation frame or %NULL
1645 * @ie_len: Length of ie buffer in octets
1646 * @reason_code: The reason code for the disassociation
1647 * @local_state_change: This is a request for a local state only, i.e., no
1648 * Disassociation frame is to be transmitted.
1650 struct cfg80211_disassoc_request
{
1651 struct cfg80211_bss
*bss
;
1655 bool local_state_change
;
1659 * struct cfg80211_ibss_params - IBSS parameters
1661 * This structure defines the IBSS parameters for the join_ibss()
1664 * @ssid: The SSID, will always be non-null.
1665 * @ssid_len: The length of the SSID, will always be non-zero.
1666 * @bssid: Fixed BSSID requested, maybe be %NULL, if set do not
1667 * search for IBSSs with a different BSSID.
1668 * @chandef: defines the channel to use if no other IBSS to join can be found
1669 * @channel_fixed: The channel should be fixed -- do not search for
1670 * IBSSs to join on other channels.
1671 * @ie: information element(s) to include in the beacon
1672 * @ie_len: length of that
1673 * @beacon_interval: beacon interval to use
1674 * @privacy: this is a protected network, keys will be configured
1676 * @control_port: whether user space controls IEEE 802.1X port, i.e.,
1677 * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
1678 * required to assume that the port is unauthorized until authorized by
1679 * user space. Otherwise, port is marked authorized by default.
1680 * @userspace_handles_dfs: whether user space controls DFS operation, i.e.
1681 * changes the channel when a radar is detected. This is required
1682 * to operate on DFS channels.
1683 * @basic_rates: bitmap of basic rates to use when creating the IBSS
1684 * @mcast_rate: per-band multicast rate index + 1 (0: disabled)
1685 * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
1686 * will be used in ht_capa. Un-supported values will be ignored.
1687 * @ht_capa_mask: The bits of ht_capa which are to be used.
1689 struct cfg80211_ibss_params
{
1692 struct cfg80211_chan_def chandef
;
1694 u8 ssid_len
, ie_len
;
1695 u16 beacon_interval
;
1700 bool userspace_handles_dfs
;
1701 int mcast_rate
[IEEE80211_NUM_BANDS
];
1702 struct ieee80211_ht_cap ht_capa
;
1703 struct ieee80211_ht_cap ht_capa_mask
;
1707 * struct cfg80211_connect_params - Connection parameters
1709 * This structure provides information needed to complete IEEE 802.11
1710 * authentication and association.
1712 * @channel: The channel to use or %NULL if not specified (auto-select based
1714 * @channel_hint: The channel of the recommended BSS for initial connection or
1715 * %NULL if not specified
1716 * @bssid: The AP BSSID or %NULL if not specified (auto-select based on scan
1718 * @bssid_hint: The recommended AP BSSID for initial connection to the BSS or
1719 * %NULL if not specified. Unlike the @bssid parameter, the driver is
1720 * allowed to ignore this @bssid_hint if it has knowledge of a better BSS
1723 * @ssid_len: Length of ssid in octets
1724 * @auth_type: Authentication type (algorithm)
1725 * @ie: IEs for association request
1726 * @ie_len: Length of assoc_ie in octets
1727 * @privacy: indicates whether privacy-enabled APs should be used
1728 * @mfp: indicate whether management frame protection is used
1729 * @crypto: crypto settings
1730 * @key_len: length of WEP key for shared key authentication
1731 * @key_idx: index of WEP key for shared key authentication
1732 * @key: WEP key for shared key authentication
1733 * @flags: See &enum cfg80211_assoc_req_flags
1734 * @bg_scan_period: Background scan period in seconds
1735 * or -1 to indicate that default value is to be used.
1736 * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
1737 * will be used in ht_capa. Un-supported values will be ignored.
1738 * @ht_capa_mask: The bits of ht_capa which are to be used.
1739 * @vht_capa: VHT Capability overrides
1740 * @vht_capa_mask: The bits of vht_capa which are to be used.
1742 struct cfg80211_connect_params
{
1743 struct ieee80211_channel
*channel
;
1744 struct ieee80211_channel
*channel_hint
;
1746 const u8
*bssid_hint
;
1749 enum nl80211_auth_type auth_type
;
1753 enum nl80211_mfp mfp
;
1754 struct cfg80211_crypto_settings crypto
;
1756 u8 key_len
, key_idx
;
1759 struct ieee80211_ht_cap ht_capa
;
1760 struct ieee80211_ht_cap ht_capa_mask
;
1761 struct ieee80211_vht_cap vht_capa
;
1762 struct ieee80211_vht_cap vht_capa_mask
;
1766 * enum wiphy_params_flags - set_wiphy_params bitfield values
1767 * @WIPHY_PARAM_RETRY_SHORT: wiphy->retry_short has changed
1768 * @WIPHY_PARAM_RETRY_LONG: wiphy->retry_long has changed
1769 * @WIPHY_PARAM_FRAG_THRESHOLD: wiphy->frag_threshold has changed
1770 * @WIPHY_PARAM_RTS_THRESHOLD: wiphy->rts_threshold has changed
1771 * @WIPHY_PARAM_COVERAGE_CLASS: coverage class changed
1773 enum wiphy_params_flags
{
1774 WIPHY_PARAM_RETRY_SHORT
= 1 << 0,
1775 WIPHY_PARAM_RETRY_LONG
= 1 << 1,
1776 WIPHY_PARAM_FRAG_THRESHOLD
= 1 << 2,
1777 WIPHY_PARAM_RTS_THRESHOLD
= 1 << 3,
1778 WIPHY_PARAM_COVERAGE_CLASS
= 1 << 4,
1782 * cfg80211_bitrate_mask - masks for bitrate control
1784 struct cfg80211_bitrate_mask
{
1787 u8 ht_mcs
[IEEE80211_HT_MCS_MASK_LEN
];
1788 u16 vht_mcs
[NL80211_VHT_NSS_MAX
];
1789 enum nl80211_txrate_gi gi
;
1790 } control
[IEEE80211_NUM_BANDS
];
1793 * struct cfg80211_pmksa - PMK Security Association
1795 * This structure is passed to the set/del_pmksa() method for PMKSA
1798 * @bssid: The AP's BSSID.
1799 * @pmkid: The PMK material itself.
1801 struct cfg80211_pmksa
{
1807 * struct cfg80211_pkt_pattern - packet pattern
1808 * @mask: bitmask where to match pattern and where to ignore bytes,
1809 * one bit per byte, in same format as nl80211
1810 * @pattern: bytes to match where bitmask is 1
1811 * @pattern_len: length of pattern (in bytes)
1812 * @pkt_offset: packet offset (in bytes)
1814 * Internal note: @mask and @pattern are allocated in one chunk of
1815 * memory, free @mask only!
1817 struct cfg80211_pkt_pattern
{
1824 * struct cfg80211_wowlan_tcp - TCP connection parameters
1826 * @sock: (internal) socket for source port allocation
1827 * @src: source IP address
1828 * @dst: destination IP address
1829 * @dst_mac: destination MAC address
1830 * @src_port: source port
1831 * @dst_port: destination port
1832 * @payload_len: data payload length
1833 * @payload: data payload buffer
1834 * @payload_seq: payload sequence stamping configuration
1835 * @data_interval: interval at which to send data packets
1836 * @wake_len: wakeup payload match length
1837 * @wake_data: wakeup payload match data
1838 * @wake_mask: wakeup payload match mask
1839 * @tokens_size: length of the tokens buffer
1840 * @payload_tok: payload token usage configuration
1842 struct cfg80211_wowlan_tcp
{
1843 struct socket
*sock
;
1845 u16 src_port
, dst_port
;
1846 u8 dst_mac
[ETH_ALEN
];
1849 struct nl80211_wowlan_tcp_data_seq payload_seq
;
1852 const u8
*wake_data
, *wake_mask
;
1854 /* must be last, variable member */
1855 struct nl80211_wowlan_tcp_data_token payload_tok
;
1859 * struct cfg80211_wowlan - Wake on Wireless-LAN support info
1861 * This structure defines the enabled WoWLAN triggers for the device.
1862 * @any: wake up on any activity -- special trigger if device continues
1863 * operating as normal during suspend
1864 * @disconnect: wake up if getting disconnected
1865 * @magic_pkt: wake up on receiving magic packet
1866 * @patterns: wake up on receiving packet matching a pattern
1867 * @n_patterns: number of patterns
1868 * @gtk_rekey_failure: wake up on GTK rekey failure
1869 * @eap_identity_req: wake up on EAP identity request packet
1870 * @four_way_handshake: wake up on 4-way handshake
1871 * @rfkill_release: wake up when rfkill is released
1872 * @tcp: TCP connection establishment/wakeup parameters, see nl80211.h.
1873 * NULL if not configured.
1875 struct cfg80211_wowlan
{
1876 bool any
, disconnect
, magic_pkt
, gtk_rekey_failure
,
1877 eap_identity_req
, four_way_handshake
,
1879 struct cfg80211_pkt_pattern
*patterns
;
1880 struct cfg80211_wowlan_tcp
*tcp
;
1885 * struct cfg80211_coalesce_rules - Coalesce rule parameters
1887 * This structure defines coalesce rule for the device.
1888 * @delay: maximum coalescing delay in msecs.
1889 * @condition: condition for packet coalescence.
1890 * see &enum nl80211_coalesce_condition.
1891 * @patterns: array of packet patterns
1892 * @n_patterns: number of patterns
1894 struct cfg80211_coalesce_rules
{
1896 enum nl80211_coalesce_condition condition
;
1897 struct cfg80211_pkt_pattern
*patterns
;
1902 * struct cfg80211_coalesce - Packet coalescing settings
1904 * This structure defines coalescing settings.
1905 * @rules: array of coalesce rules
1906 * @n_rules: number of rules
1908 struct cfg80211_coalesce
{
1909 struct cfg80211_coalesce_rules
*rules
;
1914 * struct cfg80211_wowlan_wakeup - wakeup report
1915 * @disconnect: woke up by getting disconnected
1916 * @magic_pkt: woke up by receiving magic packet
1917 * @gtk_rekey_failure: woke up by GTK rekey failure
1918 * @eap_identity_req: woke up by EAP identity request packet
1919 * @four_way_handshake: woke up by 4-way handshake
1920 * @rfkill_release: woke up by rfkill being released
1921 * @pattern_idx: pattern that caused wakeup, -1 if not due to pattern
1922 * @packet_present_len: copied wakeup packet data
1923 * @packet_len: original wakeup packet length
1924 * @packet: The packet causing the wakeup, if any.
1925 * @packet_80211: For pattern match, magic packet and other data
1926 * frame triggers an 802.3 frame should be reported, for
1927 * disconnect due to deauth 802.11 frame. This indicates which
1929 * @tcp_match: TCP wakeup packet received
1930 * @tcp_connlost: TCP connection lost or failed to establish
1931 * @tcp_nomoretokens: TCP data ran out of tokens
1933 struct cfg80211_wowlan_wakeup
{
1934 bool disconnect
, magic_pkt
, gtk_rekey_failure
,
1935 eap_identity_req
, four_way_handshake
,
1936 rfkill_release
, packet_80211
,
1937 tcp_match
, tcp_connlost
, tcp_nomoretokens
;
1939 u32 packet_present_len
, packet_len
;
1944 * struct cfg80211_gtk_rekey_data - rekey data
1945 * @kek: key encryption key
1946 * @kck: key confirmation key
1947 * @replay_ctr: replay counter
1949 struct cfg80211_gtk_rekey_data
{
1950 u8 kek
[NL80211_KEK_LEN
];
1951 u8 kck
[NL80211_KCK_LEN
];
1952 u8 replay_ctr
[NL80211_REPLAY_CTR_LEN
];
1956 * struct cfg80211_update_ft_ies_params - FT IE Information
1958 * This structure provides information needed to update the fast transition IE
1960 * @md: The Mobility Domain ID, 2 Octet value
1961 * @ie: Fast Transition IEs
1962 * @ie_len: Length of ft_ie in octets
1964 struct cfg80211_update_ft_ies_params
{
1971 * struct cfg80211_mgmt_tx_params - mgmt tx parameters
1973 * This structure provides information needed to transmit a mgmt frame
1975 * @chan: channel to use
1976 * @offchan: indicates wether off channel operation is required
1977 * @wait: duration for ROC
1978 * @buf: buffer to transmit
1979 * @len: buffer length
1980 * @no_cck: don't use cck rates for this frame
1981 * @dont_wait_for_ack: tells the low level not to wait for an ack
1983 struct cfg80211_mgmt_tx_params
{
1984 struct ieee80211_channel
*chan
;
1990 bool dont_wait_for_ack
;
1994 * struct cfg80211_dscp_exception - DSCP exception
1996 * @dscp: DSCP value that does not adhere to the user priority range definition
1997 * @up: user priority value to which the corresponding DSCP value belongs
1999 struct cfg80211_dscp_exception
{
2005 * struct cfg80211_dscp_range - DSCP range definition for user priority
2007 * @low: lowest DSCP value of this user priority range, inclusive
2008 * @high: highest DSCP value of this user priority range, inclusive
2010 struct cfg80211_dscp_range
{
2015 /* QoS Map Set element length defined in IEEE Std 802.11-2012, 8.4.2.97 */
2016 #define IEEE80211_QOS_MAP_MAX_EX 21
2017 #define IEEE80211_QOS_MAP_LEN_MIN 16
2018 #define IEEE80211_QOS_MAP_LEN_MAX \
2019 (IEEE80211_QOS_MAP_LEN_MIN + 2 * IEEE80211_QOS_MAP_MAX_EX)
2022 * struct cfg80211_qos_map - QoS Map Information
2024 * This struct defines the Interworking QoS map setting for DSCP values
2026 * @num_des: number of DSCP exceptions (0..21)
2027 * @dscp_exception: optionally up to maximum of 21 DSCP exceptions from
2028 * the user priority DSCP range definition
2029 * @up: DSCP range definition for a particular user priority
2031 struct cfg80211_qos_map
{
2033 struct cfg80211_dscp_exception dscp_exception
[IEEE80211_QOS_MAP_MAX_EX
];
2034 struct cfg80211_dscp_range up
[8];
2038 * struct cfg80211_ops - backend description for wireless configuration
2040 * This struct is registered by fullmac card drivers and/or wireless stacks
2041 * in order to handle configuration requests on their interfaces.
2043 * All callbacks except where otherwise noted should return 0
2044 * on success or a negative error code.
2046 * All operations are currently invoked under rtnl for consistency with the
2047 * wireless extensions but this is subject to reevaluation as soon as this
2048 * code is used more widely and we have a first user without wext.
2050 * @suspend: wiphy device needs to be suspended. The variable @wow will
2051 * be %NULL or contain the enabled Wake-on-Wireless triggers that are
2052 * configured for the device.
2053 * @resume: wiphy device needs to be resumed
2054 * @set_wakeup: Called when WoWLAN is enabled/disabled, use this callback
2055 * to call device_set_wakeup_enable() to enable/disable wakeup from
2058 * @add_virtual_intf: create a new virtual interface with the given name,
2059 * must set the struct wireless_dev's iftype. Beware: You must create
2060 * the new netdev in the wiphy's network namespace! Returns the struct
2061 * wireless_dev, or an ERR_PTR. For P2P device wdevs, the driver must
2062 * also set the address member in the wdev.
2064 * @del_virtual_intf: remove the virtual interface
2066 * @change_virtual_intf: change type/configuration of virtual interface,
2067 * keep the struct wireless_dev's iftype updated.
2069 * @add_key: add a key with the given parameters. @mac_addr will be %NULL
2070 * when adding a group key.
2072 * @get_key: get information about the key with the given parameters.
2073 * @mac_addr will be %NULL when requesting information for a group
2074 * key. All pointers given to the @callback function need not be valid
2075 * after it returns. This function should return an error if it is
2076 * not possible to retrieve the key, -ENOENT if it doesn't exist.
2078 * @del_key: remove a key given the @mac_addr (%NULL for a group key)
2079 * and @key_index, return -ENOENT if the key doesn't exist.
2081 * @set_default_key: set the default key on an interface
2083 * @set_default_mgmt_key: set the default management frame key on an interface
2085 * @set_rekey_data: give the data necessary for GTK rekeying to the driver
2087 * @start_ap: Start acting in AP mode defined by the parameters.
2088 * @change_beacon: Change the beacon parameters for an access point mode
2089 * interface. This should reject the call when AP mode wasn't started.
2090 * @stop_ap: Stop being an AP, including stopping beaconing.
2092 * @add_station: Add a new station.
2093 * @del_station: Remove a station; @mac may be NULL to remove all stations.
2094 * @change_station: Modify a given station. Note that flags changes are not much
2095 * validated in cfg80211, in particular the auth/assoc/authorized flags
2096 * might come to the driver in invalid combinations -- make sure to check
2097 * them, also against the existing state! Drivers must call
2098 * cfg80211_check_station_change() to validate the information.
2099 * @get_station: get station information for the station identified by @mac
2100 * @dump_station: dump station callback -- resume dump at index @idx
2102 * @add_mpath: add a fixed mesh path
2103 * @del_mpath: delete a given mesh path
2104 * @change_mpath: change a given mesh path
2105 * @get_mpath: get a mesh path for the given parameters
2106 * @dump_mpath: dump mesh path callback -- resume dump at index @idx
2107 * @join_mesh: join the mesh network with the specified parameters
2108 * (invoked with the wireless_dev mutex held)
2109 * @leave_mesh: leave the current mesh network
2110 * (invoked with the wireless_dev mutex held)
2112 * @get_mesh_config: Get the current mesh configuration
2114 * @update_mesh_config: Update mesh parameters on a running mesh.
2115 * The mask is a bitfield which tells us which parameters to
2116 * set, and which to leave alone.
2118 * @change_bss: Modify parameters for a given BSS.
2120 * @set_txq_params: Set TX queue parameters
2122 * @libertas_set_mesh_channel: Only for backward compatibility for libertas,
2123 * as it doesn't implement join_mesh and needs to set the channel to
2124 * join the mesh instead.
2126 * @set_monitor_channel: Set the monitor mode channel for the device. If other
2127 * interfaces are active this callback should reject the configuration.
2128 * If no interfaces are active or the device is down, the channel should
2129 * be stored for when a monitor interface becomes active.
2131 * @scan: Request to do a scan. If returning zero, the scan request is given
2132 * the driver, and will be valid until passed to cfg80211_scan_done().
2133 * For scan results, call cfg80211_inform_bss(); you can call this outside
2134 * the scan/scan_done bracket too.
2136 * @auth: Request to authenticate with the specified peer
2137 * (invoked with the wireless_dev mutex held)
2138 * @assoc: Request to (re)associate with the specified peer
2139 * (invoked with the wireless_dev mutex held)
2140 * @deauth: Request to deauthenticate from the specified peer
2141 * (invoked with the wireless_dev mutex held)
2142 * @disassoc: Request to disassociate from the specified peer
2143 * (invoked with the wireless_dev mutex held)
2145 * @connect: Connect to the ESS with the specified parameters. When connected,
2146 * call cfg80211_connect_result() with status code %WLAN_STATUS_SUCCESS.
2147 * If the connection fails for some reason, call cfg80211_connect_result()
2148 * with the status from the AP.
2149 * (invoked with the wireless_dev mutex held)
2150 * @disconnect: Disconnect from the BSS/ESS.
2151 * (invoked with the wireless_dev mutex held)
2153 * @join_ibss: Join the specified IBSS (or create if necessary). Once done, call
2154 * cfg80211_ibss_joined(), also call that function when changing BSSID due
2156 * (invoked with the wireless_dev mutex held)
2157 * @leave_ibss: Leave the IBSS.
2158 * (invoked with the wireless_dev mutex held)
2160 * @set_mcast_rate: Set the specified multicast rate (only if vif is in ADHOC or
2163 * @set_wiphy_params: Notify that wiphy parameters have changed;
2164 * @changed bitfield (see &enum wiphy_params_flags) describes which values
2165 * have changed. The actual parameter values are available in
2166 * struct wiphy. If returning an error, no value should be changed.
2168 * @set_tx_power: set the transmit power according to the parameters,
2169 * the power passed is in mBm, to get dBm use MBM_TO_DBM(). The
2170 * wdev may be %NULL if power was set for the wiphy, and will
2171 * always be %NULL unless the driver supports per-vif TX power
2172 * (as advertised by the nl80211 feature flag.)
2173 * @get_tx_power: store the current TX power into the dbm variable;
2174 * return 0 if successful
2176 * @set_wds_peer: set the WDS peer for a WDS interface
2178 * @rfkill_poll: polls the hw rfkill line, use cfg80211 reporting
2179 * functions to adjust rfkill hw state
2181 * @dump_survey: get site survey information.
2183 * @remain_on_channel: Request the driver to remain awake on the specified
2184 * channel for the specified duration to complete an off-channel
2185 * operation (e.g., public action frame exchange). When the driver is
2186 * ready on the requested channel, it must indicate this with an event
2187 * notification by calling cfg80211_ready_on_channel().
2188 * @cancel_remain_on_channel: Cancel an on-going remain-on-channel operation.
2189 * This allows the operation to be terminated prior to timeout based on
2190 * the duration value.
2191 * @mgmt_tx: Transmit a management frame.
2192 * @mgmt_tx_cancel_wait: Cancel the wait time from transmitting a management
2193 * frame on another channel
2195 * @testmode_cmd: run a test mode command; @wdev may be %NULL
2196 * @testmode_dump: Implement a test mode dump. The cb->args[2] and up may be
2197 * used by the function, but 0 and 1 must not be touched. Additionally,
2198 * return error codes other than -ENOBUFS and -ENOENT will terminate the
2199 * dump and return to userspace with an error, so be careful. If any data
2200 * was passed in from userspace then the data/len arguments will be present
2201 * and point to the data contained in %NL80211_ATTR_TESTDATA.
2203 * @set_bitrate_mask: set the bitrate mask configuration
2205 * @set_pmksa: Cache a PMKID for a BSSID. This is mostly useful for fullmac
2206 * devices running firmwares capable of generating the (re) association
2207 * RSN IE. It allows for faster roaming between WPA2 BSSIDs.
2208 * @del_pmksa: Delete a cached PMKID.
2209 * @flush_pmksa: Flush all cached PMKIDs.
2210 * @set_power_mgmt: Configure WLAN power management. A timeout value of -1
2211 * allows the driver to adjust the dynamic ps timeout value.
2212 * @set_cqm_rssi_config: Configure connection quality monitor RSSI threshold.
2213 * @set_cqm_txe_config: Configure connection quality monitor TX error
2215 * @sched_scan_start: Tell the driver to start a scheduled scan.
2216 * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan. This
2217 * call must stop the scheduled scan and be ready for starting a new one
2218 * before it returns, i.e. @sched_scan_start may be called immediately
2219 * after that again and should not fail in that case. The driver should
2220 * not call cfg80211_sched_scan_stopped() for a requested stop (when this
2221 * method returns 0.)
2223 * @mgmt_frame_register: Notify driver that a management frame type was
2224 * registered. Note that this callback may not sleep, and cannot run
2225 * concurrently with itself.
2227 * @set_antenna: Set antenna configuration (tx_ant, rx_ant) on the device.
2228 * Parameters are bitmaps of allowed antennas to use for TX/RX. Drivers may
2229 * reject TX/RX mask combinations they cannot support by returning -EINVAL
2230 * (also see nl80211.h @NL80211_ATTR_WIPHY_ANTENNA_TX).
2232 * @get_antenna: Get current antenna configuration from device (tx_ant, rx_ant).
2234 * @set_ringparam: Set tx and rx ring sizes.
2236 * @get_ringparam: Get tx and rx ring current and maximum sizes.
2238 * @tdls_mgmt: Transmit a TDLS management frame.
2239 * @tdls_oper: Perform a high-level TDLS operation (e.g. TDLS link setup).
2241 * @probe_client: probe an associated client, must return a cookie that it
2242 * later passes to cfg80211_probe_status().
2244 * @set_noack_map: Set the NoAck Map for the TIDs.
2246 * @get_et_sset_count: Ethtool API to get string-set count.
2247 * See @ethtool_ops.get_sset_count
2249 * @get_et_stats: Ethtool API to get a set of u64 stats.
2250 * See @ethtool_ops.get_ethtool_stats
2252 * @get_et_strings: Ethtool API to get a set of strings to describe stats
2253 * and perhaps other supported types of ethtool data-sets.
2254 * See @ethtool_ops.get_strings
2256 * @get_channel: Get the current operating channel for the virtual interface.
2257 * For monitor interfaces, it should return %NULL unless there's a single
2258 * current monitoring channel.
2260 * @start_p2p_device: Start the given P2P device.
2261 * @stop_p2p_device: Stop the given P2P device.
2263 * @set_mac_acl: Sets MAC address control list in AP and P2P GO mode.
2264 * Parameters include ACL policy, an array of MAC address of stations
2265 * and the number of MAC addresses. If there is already a list in driver
2266 * this new list replaces the existing one. Driver has to clear its ACL
2267 * when number of MAC addresses entries is passed as 0. Drivers which
2268 * advertise the support for MAC based ACL have to implement this callback.
2270 * @start_radar_detection: Start radar detection in the driver.
2272 * @update_ft_ies: Provide updated Fast BSS Transition information to the
2273 * driver. If the SME is in the driver/firmware, this information can be
2274 * used in building Authentication and Reassociation Request frames.
2276 * @crit_proto_start: Indicates a critical protocol needs more link reliability
2277 * for a given duration (milliseconds). The protocol is provided so the
2278 * driver can take the most appropriate actions.
2279 * @crit_proto_stop: Indicates critical protocol no longer needs increased link
2280 * reliability. This operation can not fail.
2281 * @set_coalesce: Set coalesce parameters.
2283 * @channel_switch: initiate channel-switch procedure (with CSA)
2285 * @set_qos_map: Set QoS mapping information to the driver
2287 struct cfg80211_ops
{
2288 int (*suspend
)(struct wiphy
*wiphy
, struct cfg80211_wowlan
*wow
);
2289 int (*resume
)(struct wiphy
*wiphy
);
2290 void (*set_wakeup
)(struct wiphy
*wiphy
, bool enabled
);
2292 struct wireless_dev
* (*add_virtual_intf
)(struct wiphy
*wiphy
,
2294 enum nl80211_iftype type
,
2296 struct vif_params
*params
);
2297 int (*del_virtual_intf
)(struct wiphy
*wiphy
,
2298 struct wireless_dev
*wdev
);
2299 int (*change_virtual_intf
)(struct wiphy
*wiphy
,
2300 struct net_device
*dev
,
2301 enum nl80211_iftype type
, u32
*flags
,
2302 struct vif_params
*params
);
2304 int (*add_key
)(struct wiphy
*wiphy
, struct net_device
*netdev
,
2305 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
2306 struct key_params
*params
);
2307 int (*get_key
)(struct wiphy
*wiphy
, struct net_device
*netdev
,
2308 u8 key_index
, bool pairwise
, const u8
*mac_addr
,
2310 void (*callback
)(void *cookie
, struct key_params
*));
2311 int (*del_key
)(struct wiphy
*wiphy
, struct net_device
*netdev
,
2312 u8 key_index
, bool pairwise
, const u8
*mac_addr
);
2313 int (*set_default_key
)(struct wiphy
*wiphy
,
2314 struct net_device
*netdev
,
2315 u8 key_index
, bool unicast
, bool multicast
);
2316 int (*set_default_mgmt_key
)(struct wiphy
*wiphy
,
2317 struct net_device
*netdev
,
2320 int (*start_ap
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2321 struct cfg80211_ap_settings
*settings
);
2322 int (*change_beacon
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2323 struct cfg80211_beacon_data
*info
);
2324 int (*stop_ap
)(struct wiphy
*wiphy
, struct net_device
*dev
);
2327 int (*add_station
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2328 u8
*mac
, struct station_parameters
*params
);
2329 int (*del_station
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2331 int (*change_station
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2332 u8
*mac
, struct station_parameters
*params
);
2333 int (*get_station
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2334 u8
*mac
, struct station_info
*sinfo
);
2335 int (*dump_station
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2336 int idx
, u8
*mac
, struct station_info
*sinfo
);
2338 int (*add_mpath
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2339 u8
*dst
, u8
*next_hop
);
2340 int (*del_mpath
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2342 int (*change_mpath
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2343 u8
*dst
, u8
*next_hop
);
2344 int (*get_mpath
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2345 u8
*dst
, u8
*next_hop
,
2346 struct mpath_info
*pinfo
);
2347 int (*dump_mpath
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2348 int idx
, u8
*dst
, u8
*next_hop
,
2349 struct mpath_info
*pinfo
);
2350 int (*get_mesh_config
)(struct wiphy
*wiphy
,
2351 struct net_device
*dev
,
2352 struct mesh_config
*conf
);
2353 int (*update_mesh_config
)(struct wiphy
*wiphy
,
2354 struct net_device
*dev
, u32 mask
,
2355 const struct mesh_config
*nconf
);
2356 int (*join_mesh
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2357 const struct mesh_config
*conf
,
2358 const struct mesh_setup
*setup
);
2359 int (*leave_mesh
)(struct wiphy
*wiphy
, struct net_device
*dev
);
2361 int (*change_bss
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2362 struct bss_parameters
*params
);
2364 int (*set_txq_params
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2365 struct ieee80211_txq_params
*params
);
2367 int (*libertas_set_mesh_channel
)(struct wiphy
*wiphy
,
2368 struct net_device
*dev
,
2369 struct ieee80211_channel
*chan
);
2371 int (*set_monitor_channel
)(struct wiphy
*wiphy
,
2372 struct cfg80211_chan_def
*chandef
);
2374 int (*scan
)(struct wiphy
*wiphy
,
2375 struct cfg80211_scan_request
*request
);
2377 int (*auth
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2378 struct cfg80211_auth_request
*req
);
2379 int (*assoc
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2380 struct cfg80211_assoc_request
*req
);
2381 int (*deauth
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2382 struct cfg80211_deauth_request
*req
);
2383 int (*disassoc
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2384 struct cfg80211_disassoc_request
*req
);
2386 int (*connect
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2387 struct cfg80211_connect_params
*sme
);
2388 int (*disconnect
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2391 int (*join_ibss
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2392 struct cfg80211_ibss_params
*params
);
2393 int (*leave_ibss
)(struct wiphy
*wiphy
, struct net_device
*dev
);
2395 int (*set_mcast_rate
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2396 int rate
[IEEE80211_NUM_BANDS
]);
2398 int (*set_wiphy_params
)(struct wiphy
*wiphy
, u32 changed
);
2400 int (*set_tx_power
)(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
2401 enum nl80211_tx_power_setting type
, int mbm
);
2402 int (*get_tx_power
)(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
2405 int (*set_wds_peer
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2408 void (*rfkill_poll
)(struct wiphy
*wiphy
);
2410 #ifdef CONFIG_NL80211_TESTMODE
2411 int (*testmode_cmd
)(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
2412 void *data
, int len
);
2413 int (*testmode_dump
)(struct wiphy
*wiphy
, struct sk_buff
*skb
,
2414 struct netlink_callback
*cb
,
2415 void *data
, int len
);
2418 int (*set_bitrate_mask
)(struct wiphy
*wiphy
,
2419 struct net_device
*dev
,
2421 const struct cfg80211_bitrate_mask
*mask
);
2423 int (*dump_survey
)(struct wiphy
*wiphy
, struct net_device
*netdev
,
2424 int idx
, struct survey_info
*info
);
2426 int (*set_pmksa
)(struct wiphy
*wiphy
, struct net_device
*netdev
,
2427 struct cfg80211_pmksa
*pmksa
);
2428 int (*del_pmksa
)(struct wiphy
*wiphy
, struct net_device
*netdev
,
2429 struct cfg80211_pmksa
*pmksa
);
2430 int (*flush_pmksa
)(struct wiphy
*wiphy
, struct net_device
*netdev
);
2432 int (*remain_on_channel
)(struct wiphy
*wiphy
,
2433 struct wireless_dev
*wdev
,
2434 struct ieee80211_channel
*chan
,
2435 unsigned int duration
,
2437 int (*cancel_remain_on_channel
)(struct wiphy
*wiphy
,
2438 struct wireless_dev
*wdev
,
2441 int (*mgmt_tx
)(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
2442 struct cfg80211_mgmt_tx_params
*params
,
2444 int (*mgmt_tx_cancel_wait
)(struct wiphy
*wiphy
,
2445 struct wireless_dev
*wdev
,
2448 int (*set_power_mgmt
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2449 bool enabled
, int timeout
);
2451 int (*set_cqm_rssi_config
)(struct wiphy
*wiphy
,
2452 struct net_device
*dev
,
2453 s32 rssi_thold
, u32 rssi_hyst
);
2455 int (*set_cqm_txe_config
)(struct wiphy
*wiphy
,
2456 struct net_device
*dev
,
2457 u32 rate
, u32 pkts
, u32 intvl
);
2459 void (*mgmt_frame_register
)(struct wiphy
*wiphy
,
2460 struct wireless_dev
*wdev
,
2461 u16 frame_type
, bool reg
);
2463 int (*set_antenna
)(struct wiphy
*wiphy
, u32 tx_ant
, u32 rx_ant
);
2464 int (*get_antenna
)(struct wiphy
*wiphy
, u32
*tx_ant
, u32
*rx_ant
);
2466 int (*set_ringparam
)(struct wiphy
*wiphy
, u32 tx
, u32 rx
);
2467 void (*get_ringparam
)(struct wiphy
*wiphy
,
2468 u32
*tx
, u32
*tx_max
, u32
*rx
, u32
*rx_max
);
2470 int (*sched_scan_start
)(struct wiphy
*wiphy
,
2471 struct net_device
*dev
,
2472 struct cfg80211_sched_scan_request
*request
);
2473 int (*sched_scan_stop
)(struct wiphy
*wiphy
, struct net_device
*dev
);
2475 int (*set_rekey_data
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2476 struct cfg80211_gtk_rekey_data
*data
);
2478 int (*tdls_mgmt
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2479 u8
*peer
, u8 action_code
, u8 dialog_token
,
2480 u16 status_code
, u32 peer_capability
,
2481 const u8
*buf
, size_t len
);
2482 int (*tdls_oper
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2483 u8
*peer
, enum nl80211_tdls_operation oper
);
2485 int (*probe_client
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2486 const u8
*peer
, u64
*cookie
);
2488 int (*set_noack_map
)(struct wiphy
*wiphy
,
2489 struct net_device
*dev
,
2492 int (*get_et_sset_count
)(struct wiphy
*wiphy
,
2493 struct net_device
*dev
, int sset
);
2494 void (*get_et_stats
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2495 struct ethtool_stats
*stats
, u64
*data
);
2496 void (*get_et_strings
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2497 u32 sset
, u8
*data
);
2499 int (*get_channel
)(struct wiphy
*wiphy
,
2500 struct wireless_dev
*wdev
,
2501 struct cfg80211_chan_def
*chandef
);
2503 int (*start_p2p_device
)(struct wiphy
*wiphy
,
2504 struct wireless_dev
*wdev
);
2505 void (*stop_p2p_device
)(struct wiphy
*wiphy
,
2506 struct wireless_dev
*wdev
);
2508 int (*set_mac_acl
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2509 const struct cfg80211_acl_data
*params
);
2511 int (*start_radar_detection
)(struct wiphy
*wiphy
,
2512 struct net_device
*dev
,
2513 struct cfg80211_chan_def
*chandef
,
2515 int (*update_ft_ies
)(struct wiphy
*wiphy
, struct net_device
*dev
,
2516 struct cfg80211_update_ft_ies_params
*ftie
);
2517 int (*crit_proto_start
)(struct wiphy
*wiphy
,
2518 struct wireless_dev
*wdev
,
2519 enum nl80211_crit_proto_id protocol
,
2521 void (*crit_proto_stop
)(struct wiphy
*wiphy
,
2522 struct wireless_dev
*wdev
);
2523 int (*set_coalesce
)(struct wiphy
*wiphy
,
2524 struct cfg80211_coalesce
*coalesce
);
2526 int (*channel_switch
)(struct wiphy
*wiphy
,
2527 struct net_device
*dev
,
2528 struct cfg80211_csa_settings
*params
);
2529 int (*set_qos_map
)(struct wiphy
*wiphy
,
2530 struct net_device
*dev
,
2531 struct cfg80211_qos_map
*qos_map
);
2535 * wireless hardware and networking interfaces structures
2536 * and registration/helper functions
2540 * enum wiphy_flags - wiphy capability flags
2542 * @WIPHY_FLAG_NETNS_OK: if not set, do not allow changing the netns of this
2544 * @WIPHY_FLAG_PS_ON_BY_DEFAULT: if set to true, powersave will be enabled
2545 * by default -- this flag will be set depending on the kernel's default
2546 * on wiphy_new(), but can be changed by the driver if it has a good
2547 * reason to override the default
2548 * @WIPHY_FLAG_4ADDR_AP: supports 4addr mode even on AP (with a single station
2549 * on a VLAN interface)
2550 * @WIPHY_FLAG_4ADDR_STATION: supports 4addr mode even as a station
2551 * @WIPHY_FLAG_CONTROL_PORT_PROTOCOL: This device supports setting the
2552 * control port protocol ethertype. The device also honours the
2553 * control_port_no_encrypt flag.
2554 * @WIPHY_FLAG_IBSS_RSN: The device supports IBSS RSN.
2555 * @WIPHY_FLAG_MESH_AUTH: The device supports mesh authentication by routing
2556 * auth frames to userspace. See @NL80211_MESH_SETUP_USERSPACE_AUTH.
2557 * @WIPHY_FLAG_SUPPORTS_SCHED_SCAN: The device supports scheduled scans.
2558 * @WIPHY_FLAG_SUPPORTS_FW_ROAM: The device supports roaming feature in the
2560 * @WIPHY_FLAG_AP_UAPSD: The device supports uapsd on AP.
2561 * @WIPHY_FLAG_SUPPORTS_TDLS: The device supports TDLS (802.11z) operation.
2562 * @WIPHY_FLAG_TDLS_EXTERNAL_SETUP: The device does not handle TDLS (802.11z)
2563 * link setup/discovery operations internally. Setup, discovery and
2564 * teardown packets should be sent through the @NL80211_CMD_TDLS_MGMT
2565 * command. When this flag is not set, @NL80211_CMD_TDLS_OPER should be
2566 * used for asking the driver/firmware to perform a TDLS operation.
2567 * @WIPHY_FLAG_HAVE_AP_SME: device integrates AP SME
2568 * @WIPHY_FLAG_REPORTS_OBSS: the device will report beacons from other BSSes
2569 * when there are virtual interfaces in AP mode by calling
2570 * cfg80211_report_obss_beacon().
2571 * @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD: When operating as an AP, the device
2572 * responds to probe-requests in hardware.
2573 * @WIPHY_FLAG_OFFCHAN_TX: Device supports direct off-channel TX.
2574 * @WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL: Device supports remain-on-channel call.
2575 * @WIPHY_FLAG_SUPPORTS_5_10_MHZ: Device supports 5 MHz and 10 MHz channels.
2576 * @WIPHY_FLAG_HAS_CHANNEL_SWITCH: Device supports channel switch in
2577 * beaconing mode (AP, IBSS, Mesh, ...).
2583 WIPHY_FLAG_NETNS_OK
= BIT(3),
2584 WIPHY_FLAG_PS_ON_BY_DEFAULT
= BIT(4),
2585 WIPHY_FLAG_4ADDR_AP
= BIT(5),
2586 WIPHY_FLAG_4ADDR_STATION
= BIT(6),
2587 WIPHY_FLAG_CONTROL_PORT_PROTOCOL
= BIT(7),
2588 WIPHY_FLAG_IBSS_RSN
= BIT(8),
2589 WIPHY_FLAG_MESH_AUTH
= BIT(10),
2590 WIPHY_FLAG_SUPPORTS_SCHED_SCAN
= BIT(11),
2591 /* use hole at 12 */
2592 WIPHY_FLAG_SUPPORTS_FW_ROAM
= BIT(13),
2593 WIPHY_FLAG_AP_UAPSD
= BIT(14),
2594 WIPHY_FLAG_SUPPORTS_TDLS
= BIT(15),
2595 WIPHY_FLAG_TDLS_EXTERNAL_SETUP
= BIT(16),
2596 WIPHY_FLAG_HAVE_AP_SME
= BIT(17),
2597 WIPHY_FLAG_REPORTS_OBSS
= BIT(18),
2598 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
= BIT(19),
2599 WIPHY_FLAG_OFFCHAN_TX
= BIT(20),
2600 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
= BIT(21),
2601 WIPHY_FLAG_SUPPORTS_5_10_MHZ
= BIT(22),
2602 WIPHY_FLAG_HAS_CHANNEL_SWITCH
= BIT(23),
2606 * struct ieee80211_iface_limit - limit on certain interface types
2607 * @max: maximum number of interfaces of these types
2608 * @types: interface types (bits)
2610 struct ieee80211_iface_limit
{
2616 * struct ieee80211_iface_combination - possible interface combination
2617 * @limits: limits for the given interface types
2618 * @n_limits: number of limitations
2619 * @num_different_channels: can use up to this many different channels
2620 * @max_interfaces: maximum number of interfaces in total allowed in this
2622 * @beacon_int_infra_match: In this combination, the beacon intervals
2623 * between infrastructure and AP types must match. This is required
2624 * only in special cases.
2625 * @radar_detect_widths: bitmap of channel widths supported for radar detection
2627 * With this structure the driver can describe which interface
2628 * combinations it supports concurrently.
2632 * 1. Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total:
2634 * struct ieee80211_iface_limit limits1[] = {
2635 * { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), },
2636 * { .max = 1, .types = BIT(NL80211_IFTYPE_AP}, },
2638 * struct ieee80211_iface_combination combination1 = {
2639 * .limits = limits1,
2640 * .n_limits = ARRAY_SIZE(limits1),
2641 * .max_interfaces = 2,
2642 * .beacon_int_infra_match = true,
2646 * 2. Allow #{AP, P2P-GO} <= 8, channels = 1, 8 total:
2648 * struct ieee80211_iface_limit limits2[] = {
2649 * { .max = 8, .types = BIT(NL80211_IFTYPE_AP) |
2650 * BIT(NL80211_IFTYPE_P2P_GO), },
2652 * struct ieee80211_iface_combination combination2 = {
2653 * .limits = limits2,
2654 * .n_limits = ARRAY_SIZE(limits2),
2655 * .max_interfaces = 8,
2656 * .num_different_channels = 1,
2660 * 3. Allow #STA <= 1, #{P2P-client,P2P-GO} <= 3 on two channels, 4 total.
2662 * This allows for an infrastructure connection and three P2P connections.
2664 * struct ieee80211_iface_limit limits3[] = {
2665 * { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), },
2666 * { .max = 3, .types = BIT(NL80211_IFTYPE_P2P_GO) |
2667 * BIT(NL80211_IFTYPE_P2P_CLIENT), },
2669 * struct ieee80211_iface_combination combination3 = {
2670 * .limits = limits3,
2671 * .n_limits = ARRAY_SIZE(limits3),
2672 * .max_interfaces = 4,
2673 * .num_different_channels = 2,
2676 struct ieee80211_iface_combination
{
2677 const struct ieee80211_iface_limit
*limits
;
2678 u32 num_different_channels
;
2681 bool beacon_int_infra_match
;
2682 u8 radar_detect_widths
;
2685 struct ieee80211_txrx_stypes
{
2690 * enum wiphy_wowlan_support_flags - WoWLAN support flags
2691 * @WIPHY_WOWLAN_ANY: supports wakeup for the special "any"
2692 * trigger that keeps the device operating as-is and
2693 * wakes up the host on any activity, for example a
2694 * received packet that passed filtering; note that the
2695 * packet should be preserved in that case
2696 * @WIPHY_WOWLAN_MAGIC_PKT: supports wakeup on magic packet
2698 * @WIPHY_WOWLAN_DISCONNECT: supports wakeup on disconnect
2699 * @WIPHY_WOWLAN_SUPPORTS_GTK_REKEY: supports GTK rekeying while asleep
2700 * @WIPHY_WOWLAN_GTK_REKEY_FAILURE: supports wakeup on GTK rekey failure
2701 * @WIPHY_WOWLAN_EAP_IDENTITY_REQ: supports wakeup on EAP identity request
2702 * @WIPHY_WOWLAN_4WAY_HANDSHAKE: supports wakeup on 4-way handshake failure
2703 * @WIPHY_WOWLAN_RFKILL_RELEASE: supports wakeup on RF-kill release
2705 enum wiphy_wowlan_support_flags
{
2706 WIPHY_WOWLAN_ANY
= BIT(0),
2707 WIPHY_WOWLAN_MAGIC_PKT
= BIT(1),
2708 WIPHY_WOWLAN_DISCONNECT
= BIT(2),
2709 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
= BIT(3),
2710 WIPHY_WOWLAN_GTK_REKEY_FAILURE
= BIT(4),
2711 WIPHY_WOWLAN_EAP_IDENTITY_REQ
= BIT(5),
2712 WIPHY_WOWLAN_4WAY_HANDSHAKE
= BIT(6),
2713 WIPHY_WOWLAN_RFKILL_RELEASE
= BIT(7),
2716 struct wiphy_wowlan_tcp_support
{
2717 const struct nl80211_wowlan_tcp_data_token_feature
*tok
;
2718 u32 data_payload_max
;
2719 u32 data_interval_max
;
2720 u32 wake_payload_max
;
2725 * struct wiphy_wowlan_support - WoWLAN support data
2726 * @flags: see &enum wiphy_wowlan_support_flags
2727 * @n_patterns: number of supported wakeup patterns
2728 * (see nl80211.h for the pattern definition)
2729 * @pattern_max_len: maximum length of each pattern
2730 * @pattern_min_len: minimum length of each pattern
2731 * @max_pkt_offset: maximum Rx packet offset
2732 * @tcp: TCP wakeup support information
2734 struct wiphy_wowlan_support
{
2737 int pattern_max_len
;
2738 int pattern_min_len
;
2740 const struct wiphy_wowlan_tcp_support
*tcp
;
2744 * struct wiphy_coalesce_support - coalesce support data
2745 * @n_rules: maximum number of coalesce rules
2746 * @max_delay: maximum supported coalescing delay in msecs
2747 * @n_patterns: number of supported patterns in a rule
2748 * (see nl80211.h for the pattern definition)
2749 * @pattern_max_len: maximum length of each pattern
2750 * @pattern_min_len: minimum length of each pattern
2751 * @max_pkt_offset: maximum Rx packet offset
2753 struct wiphy_coalesce_support
{
2757 int pattern_max_len
;
2758 int pattern_min_len
;
2763 * enum wiphy_vendor_command_flags - validation flags for vendor commands
2764 * @WIPHY_VENDOR_CMD_NEED_WDEV: vendor command requires wdev
2765 * @WIPHY_VENDOR_CMD_NEED_NETDEV: vendor command requires netdev
2766 * @WIPHY_VENDOR_CMD_NEED_RUNNING: interface/wdev must be up & running
2767 * (must be combined with %_WDEV or %_NETDEV)
2769 enum wiphy_vendor_command_flags
{
2770 WIPHY_VENDOR_CMD_NEED_WDEV
= BIT(0),
2771 WIPHY_VENDOR_CMD_NEED_NETDEV
= BIT(1),
2772 WIPHY_VENDOR_CMD_NEED_RUNNING
= BIT(2),
2776 * struct wiphy_vendor_command - vendor command definition
2777 * @info: vendor command identifying information, as used in nl80211
2778 * @flags: flags, see &enum wiphy_vendor_command_flags
2779 * @doit: callback for the operation, note that wdev is %NULL if the
2780 * flags didn't ask for a wdev and non-%NULL otherwise; the data
2781 * pointer may be %NULL if userspace provided no data at all
2783 struct wiphy_vendor_command
{
2784 struct nl80211_vendor_cmd_info info
;
2786 int (*doit
)(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
2787 const void *data
, int data_len
);
2791 * struct wiphy - wireless hardware description
2792 * @reg_notifier: the driver's regulatory notification callback,
2793 * note that if your driver uses wiphy_apply_custom_regulatory()
2794 * the reg_notifier's request can be passed as NULL
2795 * @regd: the driver's regulatory domain, if one was requested via
2796 * the regulatory_hint() API. This can be used by the driver
2797 * on the reg_notifier() if it chooses to ignore future
2798 * regulatory domain changes caused by other drivers.
2799 * @signal_type: signal type reported in &struct cfg80211_bss.
2800 * @cipher_suites: supported cipher suites
2801 * @n_cipher_suites: number of supported cipher suites
2802 * @retry_short: Retry limit for short frames (dot11ShortRetryLimit)
2803 * @retry_long: Retry limit for long frames (dot11LongRetryLimit)
2804 * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold);
2805 * -1 = fragmentation disabled, only odd values >= 256 used
2806 * @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled
2807 * @_net: the network namespace this wiphy currently lives in
2808 * @perm_addr: permanent MAC address of this device
2809 * @addr_mask: If the device supports multiple MAC addresses by masking,
2810 * set this to a mask with variable bits set to 1, e.g. if the last
2811 * four bits are variable then set it to 00-00-00-00-00-0f. The actual
2812 * variable bits shall be determined by the interfaces added, with
2813 * interfaces not matching the mask being rejected to be brought up.
2814 * @n_addresses: number of addresses in @addresses.
2815 * @addresses: If the device has more than one address, set this pointer
2816 * to a list of addresses (6 bytes each). The first one will be used
2817 * by default for perm_addr. In this case, the mask should be set to
2818 * all-zeroes. In this case it is assumed that the device can handle
2819 * the same number of arbitrary MAC addresses.
2820 * @registered: protects ->resume and ->suspend sysfs callbacks against
2821 * unregister hardware
2822 * @debugfsdir: debugfs directory used for this wiphy, will be renamed
2823 * automatically on wiphy renames
2824 * @dev: (virtual) struct device for this wiphy
2825 * @registered: helps synchronize suspend/resume with wiphy unregister
2826 * @wext: wireless extension handlers
2827 * @priv: driver private data (sized according to wiphy_new() parameter)
2828 * @interface_modes: bitmask of interfaces types valid for this wiphy,
2829 * must be set by driver
2830 * @iface_combinations: Valid interface combinations array, should not
2831 * list single interface types.
2832 * @n_iface_combinations: number of entries in @iface_combinations array.
2833 * @software_iftypes: bitmask of software interface types, these are not
2834 * subject to any restrictions since they are purely managed in SW.
2835 * @flags: wiphy flags, see &enum wiphy_flags
2836 * @regulatory_flags: wiphy regulatory flags, see
2837 * &enum ieee80211_regulatory_flags
2838 * @features: features advertised to nl80211, see &enum nl80211_feature_flags.
2839 * @bss_priv_size: each BSS struct has private data allocated with it,
2840 * this variable determines its size
2841 * @max_scan_ssids: maximum number of SSIDs the device can scan for in
2843 * @max_sched_scan_ssids: maximum number of SSIDs the device can scan
2844 * for in any given scheduled scan
2845 * @max_match_sets: maximum number of match sets the device can handle
2846 * when performing a scheduled scan, 0 if filtering is not
2848 * @max_scan_ie_len: maximum length of user-controlled IEs device can
2849 * add to probe request frames transmitted during a scan, must not
2850 * include fixed IEs like supported rates
2851 * @max_sched_scan_ie_len: same as max_scan_ie_len, but for scheduled
2853 * @coverage_class: current coverage class
2854 * @fw_version: firmware version for ethtool reporting
2855 * @hw_version: hardware version for ethtool reporting
2856 * @max_num_pmkids: maximum number of PMKIDs supported by device
2857 * @privid: a pointer that drivers can use to identify if an arbitrary
2858 * wiphy is theirs, e.g. in global notifiers
2859 * @bands: information about bands/channels supported by this device
2861 * @mgmt_stypes: bitmasks of frame subtypes that can be subscribed to or
2862 * transmitted through nl80211, points to an array indexed by interface
2865 * @available_antennas_tx: bitmap of antennas which are available to be
2866 * configured as TX antennas. Antenna configuration commands will be
2867 * rejected unless this or @available_antennas_rx is set.
2869 * @available_antennas_rx: bitmap of antennas which are available to be
2870 * configured as RX antennas. Antenna configuration commands will be
2871 * rejected unless this or @available_antennas_tx is set.
2873 * @probe_resp_offload:
2874 * Bitmap of supported protocols for probe response offloading.
2875 * See &enum nl80211_probe_resp_offload_support_attr. Only valid
2876 * when the wiphy flag @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD is set.
2878 * @max_remain_on_channel_duration: Maximum time a remain-on-channel operation
2879 * may request, if implemented.
2881 * @wowlan: WoWLAN support information
2882 * @wowlan_config: current WoWLAN configuration; this should usually not be
2883 * used since access to it is necessarily racy, use the parameter passed
2884 * to the suspend() operation instead.
2886 * @ap_sme_capa: AP SME capabilities, flags from &enum nl80211_ap_sme_features.
2887 * @ht_capa_mod_mask: Specify what ht_cap values can be over-ridden.
2888 * If null, then none can be over-ridden.
2889 * @vht_capa_mod_mask: Specify what VHT capabilities can be over-ridden.
2890 * If null, then none can be over-ridden.
2892 * @max_acl_mac_addrs: Maximum number of MAC addresses that the device
2895 * @extended_capabilities: extended capabilities supported by the driver,
2896 * additional capabilities might be supported by userspace; these are
2897 * the 802.11 extended capabilities ("Extended Capabilities element")
2898 * and are in the same format as in the information element. See
2899 * 802.11-2012 8.4.2.29 for the defined fields.
2900 * @extended_capabilities_mask: mask of the valid values
2901 * @extended_capabilities_len: length of the extended capabilities
2902 * @coalesce: packet coalescing support information
2904 * @vendor_commands: array of vendor commands supported by the hardware
2905 * @n_vendor_commands: number of vendor commands
2906 * @vendor_events: array of vendor events supported by the hardware
2907 * @n_vendor_events: number of vendor events
2909 * @max_ap_assoc_sta: maximum number of associated stations supported in AP mode
2910 * (including P2P GO) or 0 to indicate no such limit is advertised. The
2911 * driver is allowed to advertise a theoretical limit that it can reach in
2912 * some cases, but may not always reach.
2915 /* assign these fields before you register the wiphy */
2917 /* permanent MAC address(es) */
2918 u8 perm_addr
[ETH_ALEN
];
2919 u8 addr_mask
[ETH_ALEN
];
2921 struct mac_address
*addresses
;
2923 const struct ieee80211_txrx_stypes
*mgmt_stypes
;
2925 const struct ieee80211_iface_combination
*iface_combinations
;
2926 int n_iface_combinations
;
2927 u16 software_iftypes
;
2931 /* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
2932 u16 interface_modes
;
2934 u16 max_acl_mac_addrs
;
2936 u32 flags
, regulatory_flags
, features
;
2940 enum cfg80211_signal_type signal_type
;
2944 u8 max_sched_scan_ssids
;
2946 u16 max_scan_ie_len
;
2947 u16 max_sched_scan_ie_len
;
2949 int n_cipher_suites
;
2950 const u32
*cipher_suites
;
2958 char fw_version
[ETHTOOL_FWVERS_LEN
];
2962 const struct wiphy_wowlan_support
*wowlan
;
2963 struct cfg80211_wowlan
*wowlan_config
;
2966 u16 max_remain_on_channel_duration
;
2970 u32 available_antennas_tx
;
2971 u32 available_antennas_rx
;
2974 * Bitmap of supported protocols for probe response offloading
2975 * see &enum nl80211_probe_resp_offload_support_attr. Only valid
2976 * when the wiphy flag @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD is set.
2978 u32 probe_resp_offload
;
2980 const u8
*extended_capabilities
, *extended_capabilities_mask
;
2981 u8 extended_capabilities_len
;
2983 /* If multiple wiphys are registered and you're handed e.g.
2984 * a regular netdev with assigned ieee80211_ptr, you won't
2985 * know whether it points to a wiphy your driver has registered
2986 * or not. Assign this to something global to your driver to
2987 * help determine whether you own this wiphy or not. */
2990 struct ieee80211_supported_band
*bands
[IEEE80211_NUM_BANDS
];
2992 /* Lets us get back the wiphy on the callback */
2993 void (*reg_notifier
)(struct wiphy
*wiphy
,
2994 struct regulatory_request
*request
);
2996 /* fields below are read-only, assigned by cfg80211 */
2998 const struct ieee80211_regdomain __rcu
*regd
;
3000 /* the item in /sys/class/ieee80211/ points to this,
3001 * you need use set_wiphy_dev() (see below) */
3004 /* protects ->resume, ->suspend sysfs callbacks against unregister hw */
3007 /* dir in debugfs: ieee80211/<wiphyname> */
3008 struct dentry
*debugfsdir
;
3010 const struct ieee80211_ht_cap
*ht_capa_mod_mask
;
3011 const struct ieee80211_vht_cap
*vht_capa_mod_mask
;
3013 #ifdef CONFIG_NET_NS
3014 /* the network namespace this phy lives in currently */
3018 #ifdef CONFIG_CFG80211_WEXT
3019 const struct iw_handler_def
*wext
;
3022 const struct wiphy_coalesce_support
*coalesce
;
3024 const struct wiphy_vendor_command
*vendor_commands
;
3025 const struct nl80211_vendor_cmd_info
*vendor_events
;
3026 int n_vendor_commands
, n_vendor_events
;
3028 u16 max_ap_assoc_sta
;
3030 char priv
[0] __aligned(NETDEV_ALIGN
);
3033 static inline struct net
*wiphy_net(struct wiphy
*wiphy
)
3035 return read_pnet(&wiphy
->_net
);
3038 static inline void wiphy_net_set(struct wiphy
*wiphy
, struct net
*net
)
3040 write_pnet(&wiphy
->_net
, net
);
3044 * wiphy_priv - return priv from wiphy
3046 * @wiphy: the wiphy whose priv pointer to return
3047 * Return: The priv of @wiphy.
3049 static inline void *wiphy_priv(struct wiphy
*wiphy
)
3052 return &wiphy
->priv
;
3056 * priv_to_wiphy - return the wiphy containing the priv
3058 * @priv: a pointer previously returned by wiphy_priv
3059 * Return: The wiphy of @priv.
3061 static inline struct wiphy
*priv_to_wiphy(void *priv
)
3064 return container_of(priv
, struct wiphy
, priv
);
3068 * set_wiphy_dev - set device pointer for wiphy
3070 * @wiphy: The wiphy whose device to bind
3071 * @dev: The device to parent it to
3073 static inline void set_wiphy_dev(struct wiphy
*wiphy
, struct device
*dev
)
3075 wiphy
->dev
.parent
= dev
;
3079 * wiphy_dev - get wiphy dev pointer
3081 * @wiphy: The wiphy whose device struct to look up
3082 * Return: The dev of @wiphy.
3084 static inline struct device
*wiphy_dev(struct wiphy
*wiphy
)
3086 return wiphy
->dev
.parent
;
3090 * wiphy_name - get wiphy name
3092 * @wiphy: The wiphy whose name to return
3093 * Return: The name of @wiphy.
3095 static inline const char *wiphy_name(const struct wiphy
*wiphy
)
3097 return dev_name(&wiphy
->dev
);
3101 * wiphy_new - create a new wiphy for use with cfg80211
3103 * @ops: The configuration operations for this device
3104 * @sizeof_priv: The size of the private area to allocate
3106 * Create a new wiphy and associate the given operations with it.
3107 * @sizeof_priv bytes are allocated for private use.
3109 * Return: A pointer to the new wiphy. This pointer must be
3110 * assigned to each netdev's ieee80211_ptr for proper operation.
3112 struct wiphy
*wiphy_new(const struct cfg80211_ops
*ops
, int sizeof_priv
);
3115 * wiphy_register - register a wiphy with cfg80211
3117 * @wiphy: The wiphy to register.
3119 * Return: A non-negative wiphy index or a negative error code.
3121 int wiphy_register(struct wiphy
*wiphy
);
3124 * wiphy_unregister - deregister a wiphy from cfg80211
3126 * @wiphy: The wiphy to unregister.
3128 * After this call, no more requests can be made with this priv
3129 * pointer, but the call may sleep to wait for an outstanding
3130 * request that is being handled.
3132 void wiphy_unregister(struct wiphy
*wiphy
);
3135 * wiphy_free - free wiphy
3137 * @wiphy: The wiphy to free
3139 void wiphy_free(struct wiphy
*wiphy
);
3141 /* internal structs */
3142 struct cfg80211_conn
;
3143 struct cfg80211_internal_bss
;
3144 struct cfg80211_cached_keys
;
3147 * struct wireless_dev - wireless device state
3149 * For netdevs, this structure must be allocated by the driver
3150 * that uses the ieee80211_ptr field in struct net_device (this
3151 * is intentional so it can be allocated along with the netdev.)
3152 * It need not be registered then as netdev registration will
3153 * be intercepted by cfg80211 to see the new wireless device.
3155 * For non-netdev uses, it must also be allocated by the driver
3156 * in response to the cfg80211 callbacks that require it, as
3157 * there's no netdev registration in that case it may not be
3158 * allocated outside of callback operations that return it.
3160 * @wiphy: pointer to hardware description
3161 * @iftype: interface type
3162 * @list: (private) Used to collect the interfaces
3163 * @netdev: (private) Used to reference back to the netdev, may be %NULL
3164 * @identifier: (private) Identifier used in nl80211 to identify this
3165 * wireless device if it has no netdev
3166 * @current_bss: (private) Used by the internal configuration code
3167 * @chandef: (private) Used by the internal configuration code to track
3168 * the user-set channel definition.
3169 * @preset_chandef: (private) Used by the internal configuration code to
3170 * track the channel to be used for AP later
3171 * @bssid: (private) Used by the internal configuration code
3172 * @ssid: (private) Used by the internal configuration code
3173 * @ssid_len: (private) Used by the internal configuration code
3174 * @mesh_id_len: (private) Used by the internal configuration code
3175 * @mesh_id_up_len: (private) Used by the internal configuration code
3176 * @wext: (private) Used by the internal wireless extensions compat code
3177 * @use_4addr: indicates 4addr mode is used on this interface, must be
3178 * set by driver (if supported) on add_interface BEFORE registering the
3179 * netdev and may otherwise be used by driver read-only, will be update
3180 * by cfg80211 on change_interface
3181 * @mgmt_registrations: list of registrations for management frames
3182 * @mgmt_registrations_lock: lock for the list
3183 * @mtx: mutex used to lock data in this struct, may be used by drivers
3184 * and some API functions require it held
3185 * @beacon_interval: beacon interval used on this device for transmitting
3186 * beacons, 0 when not valid
3187 * @address: The address for this device, valid only if @netdev is %NULL
3188 * @p2p_started: true if this is a P2P Device that has been started
3189 * @cac_started: true if DFS channel availability check has been started
3190 * @cac_start_time: timestamp (jiffies) when the dfs state was entered.
3191 * @cac_time_ms: CAC time in ms
3192 * @ps: powersave mode is enabled
3193 * @ps_timeout: dynamic powersave timeout
3194 * @ap_unexpected_nlportid: (private) netlink port ID of application
3195 * registered for unexpected class 3 frames (AP mode)
3196 * @conn: (private) cfg80211 software SME connection state machine data
3197 * @connect_keys: (private) keys to set after connection is established
3198 * @ibss_fixed: (private) IBSS is using fixed BSSID
3199 * @ibss_dfs_possible: (private) IBSS may change to a DFS channel
3200 * @event_list: (private) list for internal event processing
3201 * @event_lock: (private) lock for event list
3202 * @owner_nlportid: (private) owner socket port ID
3204 struct wireless_dev
{
3205 struct wiphy
*wiphy
;
3206 enum nl80211_iftype iftype
;
3208 /* the remainder of this struct should be private to cfg80211 */
3209 struct list_head list
;
3210 struct net_device
*netdev
;
3214 struct list_head mgmt_registrations
;
3215 spinlock_t mgmt_registrations_lock
;
3219 bool use_4addr
, p2p_started
;
3221 u8 address
[ETH_ALEN
] __aligned(sizeof(u16
));
3223 /* currently used for IBSS and SME - might be rearranged later */
3224 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
3225 u8 ssid_len
, mesh_id_len
, mesh_id_up_len
;
3226 struct cfg80211_conn
*conn
;
3227 struct cfg80211_cached_keys
*connect_keys
;
3229 struct list_head event_list
;
3230 spinlock_t event_lock
;
3232 struct cfg80211_internal_bss
*current_bss
; /* associated / joined */
3233 struct cfg80211_chan_def preset_chandef
;
3234 struct cfg80211_chan_def chandef
;
3237 bool ibss_dfs_possible
;
3242 int beacon_interval
;
3244 u32 ap_unexpected_nlportid
;
3247 unsigned long cac_start_time
;
3248 unsigned int cac_time_ms
;
3252 #ifdef CONFIG_CFG80211_WEXT
3255 struct cfg80211_ibss_params ibss
;
3256 struct cfg80211_connect_params connect
;
3257 struct cfg80211_cached_keys
*keys
;
3260 u8 bssid
[ETH_ALEN
], prev_bssid
[ETH_ALEN
];
3261 u8 ssid
[IEEE80211_MAX_SSID_LEN
];
3262 s8 default_key
, default_mgmt_key
;
3263 bool prev_bssid_valid
;
3268 static inline u8
*wdev_address(struct wireless_dev
*wdev
)
3271 return wdev
->netdev
->dev_addr
;
3272 return wdev
->address
;
3276 * wdev_priv - return wiphy priv from wireless_dev
3278 * @wdev: The wireless device whose wiphy's priv pointer to return
3279 * Return: The wiphy priv of @wdev.
3281 static inline void *wdev_priv(struct wireless_dev
*wdev
)
3284 return wiphy_priv(wdev
->wiphy
);
3288 * DOC: Utility functions
3290 * cfg80211 offers a number of utility functions that can be useful.
3294 * ieee80211_channel_to_frequency - convert channel number to frequency
3295 * @chan: channel number
3296 * @band: band, necessary due to channel number overlap
3297 * Return: The corresponding frequency (in MHz), or 0 if the conversion failed.
3299 int ieee80211_channel_to_frequency(int chan
, enum ieee80211_band band
);
3302 * ieee80211_frequency_to_channel - convert frequency to channel number
3303 * @freq: center frequency
3304 * Return: The corresponding channel, or 0 if the conversion failed.
3306 int ieee80211_frequency_to_channel(int freq
);
3309 * Name indirection necessary because the ieee80211 code also has
3310 * a function named "ieee80211_get_channel", so if you include
3311 * cfg80211's header file you get cfg80211's version, if you try
3312 * to include both header files you'll (rightfully!) get a symbol
3315 struct ieee80211_channel
*__ieee80211_get_channel(struct wiphy
*wiphy
,
3318 * ieee80211_get_channel - get channel struct from wiphy for specified frequency
3319 * @wiphy: the struct wiphy to get the channel for
3320 * @freq: the center frequency of the channel
3321 * Return: The channel struct from @wiphy at @freq.
3323 static inline struct ieee80211_channel
*
3324 ieee80211_get_channel(struct wiphy
*wiphy
, int freq
)
3326 return __ieee80211_get_channel(wiphy
, freq
);
3330 * ieee80211_get_response_rate - get basic rate for a given rate
3332 * @sband: the band to look for rates in
3333 * @basic_rates: bitmap of basic rates
3334 * @bitrate: the bitrate for which to find the basic rate
3336 * Return: The basic rate corresponding to a given bitrate, that
3337 * is the next lower bitrate contained in the basic rate map,
3338 * which is, for this function, given as a bitmap of indices of
3339 * rates in the band's bitrate table.
3341 struct ieee80211_rate
*
3342 ieee80211_get_response_rate(struct ieee80211_supported_band
*sband
,
3343 u32 basic_rates
, int bitrate
);
3346 * ieee80211_mandatory_rates - get mandatory rates for a given band
3347 * @sband: the band to look for rates in
3348 * @scan_width: width of the control channel
3350 * This function returns a bitmap of the mandatory rates for the given
3351 * band, bits are set according to the rate position in the bitrates array.
3353 u32
ieee80211_mandatory_rates(struct ieee80211_supported_band
*sband
,
3354 enum nl80211_bss_scan_width scan_width
);
3357 * Radiotap parsing functions -- for controlled injection support
3359 * Implemented in net/wireless/radiotap.c
3360 * Documentation in Documentation/networking/radiotap-headers.txt
3363 struct radiotap_align_size
{
3364 uint8_t align
:4, size
:4;
3367 struct ieee80211_radiotap_namespace
{
3368 const struct radiotap_align_size
*align_size
;
3374 struct ieee80211_radiotap_vendor_namespaces
{
3375 const struct ieee80211_radiotap_namespace
*ns
;
3380 * struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
3381 * @this_arg_index: index of current arg, valid after each successful call
3382 * to ieee80211_radiotap_iterator_next()
3383 * @this_arg: pointer to current radiotap arg; it is valid after each
3384 * call to ieee80211_radiotap_iterator_next() but also after
3385 * ieee80211_radiotap_iterator_init() where it will point to
3386 * the beginning of the actual data portion
3387 * @this_arg_size: length of the current arg, for convenience
3388 * @current_namespace: pointer to the current namespace definition
3389 * (or internally %NULL if the current namespace is unknown)
3390 * @is_radiotap_ns: indicates whether the current namespace is the default
3391 * radiotap namespace or not
3393 * @_rtheader: pointer to the radiotap header we are walking through
3394 * @_max_length: length of radiotap header in cpu byte ordering
3395 * @_arg_index: next argument index
3396 * @_arg: next argument pointer
3397 * @_next_bitmap: internal pointer to next present u32
3398 * @_bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
3399 * @_vns: vendor namespace definitions
3400 * @_next_ns_data: beginning of the next namespace's data
3401 * @_reset_on_ext: internal; reset the arg index to 0 when going to the
3404 * Describes the radiotap parser state. Fields prefixed with an underscore
3405 * must not be used by users of the parser, only by the parser internally.
3408 struct ieee80211_radiotap_iterator
{
3409 struct ieee80211_radiotap_header
*_rtheader
;
3410 const struct ieee80211_radiotap_vendor_namespaces
*_vns
;
3411 const struct ieee80211_radiotap_namespace
*current_namespace
;
3413 unsigned char *_arg
, *_next_ns_data
;
3414 __le32
*_next_bitmap
;
3416 unsigned char *this_arg
;
3424 uint32_t _bitmap_shifter
;
3429 ieee80211_radiotap_iterator_init(struct ieee80211_radiotap_iterator
*iterator
,
3430 struct ieee80211_radiotap_header
*radiotap_header
,
3432 const struct ieee80211_radiotap_vendor_namespaces
*vns
);
3435 ieee80211_radiotap_iterator_next(struct ieee80211_radiotap_iterator
*iterator
);
3438 extern const unsigned char rfc1042_header
[6];
3439 extern const unsigned char bridge_tunnel_header
[6];
3442 * ieee80211_get_hdrlen_from_skb - get header length from data
3446 * Given an skb with a raw 802.11 header at the data pointer this function
3447 * returns the 802.11 header length.
3449 * Return: The 802.11 header length in bytes (not including encryption
3450 * headers). Or 0 if the data in the sk_buff is too short to contain a valid
3453 unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff
*skb
);
3456 * ieee80211_hdrlen - get header length in bytes from frame control
3457 * @fc: frame control field in little-endian format
3458 * Return: The header length in bytes.
3460 unsigned int __attribute_const__
ieee80211_hdrlen(__le16 fc
);
3463 * ieee80211_get_mesh_hdrlen - get mesh extension header length
3464 * @meshhdr: the mesh extension header, only the flags field
3465 * (first byte) will be accessed
3466 * Return: The length of the extension header, which is always at
3467 * least 6 bytes and at most 18 if address 5 and 6 are present.
3469 unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr
*meshhdr
);
3472 * DOC: Data path helpers
3474 * In addition to generic utilities, cfg80211 also offers
3475 * functions that help implement the data path for devices
3476 * that do not do the 802.11/802.3 conversion on the device.
3480 * ieee80211_data_to_8023 - convert an 802.11 data frame to 802.3
3481 * @skb: the 802.11 data frame
3482 * @addr: the device MAC address
3483 * @iftype: the virtual interface type
3484 * Return: 0 on success. Non-zero on error.
3486 int ieee80211_data_to_8023(struct sk_buff
*skb
, const u8
*addr
,
3487 enum nl80211_iftype iftype
);
3490 * ieee80211_data_from_8023 - convert an 802.3 frame to 802.11
3491 * @skb: the 802.3 frame
3492 * @addr: the device MAC address
3493 * @iftype: the virtual interface type
3494 * @bssid: the network bssid (used only for iftype STATION and ADHOC)
3495 * @qos: build 802.11 QoS data frame
3496 * Return: 0 on success, or a negative error code.
3498 int ieee80211_data_from_8023(struct sk_buff
*skb
, const u8
*addr
,
3499 enum nl80211_iftype iftype
, u8
*bssid
, bool qos
);
3502 * ieee80211_amsdu_to_8023s - decode an IEEE 802.11n A-MSDU frame
3504 * Decode an IEEE 802.11n A-MSDU frame and convert it to a list of
3505 * 802.3 frames. The @list will be empty if the decode fails. The
3506 * @skb is consumed after the function returns.
3508 * @skb: The input IEEE 802.11n A-MSDU frame.
3509 * @list: The output list of 802.3 frames. It must be allocated and
3510 * initialized by by the caller.
3511 * @addr: The device MAC address.
3512 * @iftype: The device interface type.
3513 * @extra_headroom: The hardware extra headroom for SKBs in the @list.
3514 * @has_80211_header: Set it true if SKB is with IEEE 802.11 header.
3516 void ieee80211_amsdu_to_8023s(struct sk_buff
*skb
, struct sk_buff_head
*list
,
3517 const u8
*addr
, enum nl80211_iftype iftype
,
3518 const unsigned int extra_headroom
,
3519 bool has_80211_header
);
3522 * cfg80211_classify8021d - determine the 802.1p/1d tag for a data frame
3523 * @skb: the data frame
3524 * @qos_map: Interworking QoS mapping or %NULL if not in use
3525 * Return: The 802.1p/1d tag.
3527 unsigned int cfg80211_classify8021d(struct sk_buff
*skb
,
3528 struct cfg80211_qos_map
*qos_map
);
3531 * cfg80211_find_ie - find information element in data
3534 * @ies: data consisting of IEs
3535 * @len: length of data
3537 * Return: %NULL if the element ID could not be found or if
3538 * the element is invalid (claims to be longer than the given
3539 * data), or a pointer to the first byte of the requested
3540 * element, that is the byte containing the element ID.
3542 * Note: There are no checks on the element length other than
3543 * having to fit into the given data.
3545 const u8
*cfg80211_find_ie(u8 eid
, const u8
*ies
, int len
);
3548 * cfg80211_find_vendor_ie - find vendor specific information element in data
3551 * @oui_type: vendor-specific OUI type
3552 * @ies: data consisting of IEs
3553 * @len: length of data
3555 * Return: %NULL if the vendor specific element ID could not be found or if the
3556 * element is invalid (claims to be longer than the given data), or a pointer to
3557 * the first byte of the requested element, that is the byte containing the
3560 * Note: There are no checks on the element length other than having to fit into
3563 const u8
*cfg80211_find_vendor_ie(unsigned int oui
, u8 oui_type
,
3564 const u8
*ies
, int len
);
3567 * DOC: Regulatory enforcement infrastructure
3573 * regulatory_hint - driver hint to the wireless core a regulatory domain
3574 * @wiphy: the wireless device giving the hint (used only for reporting
3576 * @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain
3577 * should be in. If @rd is set this should be NULL. Note that if you
3578 * set this to NULL you should still set rd->alpha2 to some accepted
3581 * Wireless drivers can use this function to hint to the wireless core
3582 * what it believes should be the current regulatory domain by
3583 * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory
3584 * domain should be in or by providing a completely build regulatory domain.
3585 * If the driver provides an ISO/IEC 3166 alpha2 userspace will be queried
3586 * for a regulatory domain structure for the respective country.
3588 * The wiphy must have been registered to cfg80211 prior to this call.
3589 * For cfg80211 drivers this means you must first use wiphy_register(),
3590 * for mac80211 drivers you must first use ieee80211_register_hw().
3592 * Drivers should check the return value, its possible you can get
3595 * Return: 0 on success. -ENOMEM.
3597 int regulatory_hint(struct wiphy
*wiphy
, const char *alpha2
);
3600 * wiphy_apply_custom_regulatory - apply a custom driver regulatory domain
3601 * @wiphy: the wireless device we want to process the regulatory domain on
3602 * @regd: the custom regulatory domain to use for this wiphy
3604 * Drivers can sometimes have custom regulatory domains which do not apply
3605 * to a specific country. Drivers can use this to apply such custom regulatory
3606 * domains. This routine must be called prior to wiphy registration. The
3607 * custom regulatory domain will be trusted completely and as such previous
3608 * default channel settings will be disregarded. If no rule is found for a
3609 * channel on the regulatory domain the channel will be disabled.
3610 * Drivers using this for a wiphy should also set the wiphy flag
3611 * WIPHY_FLAG_CUSTOM_REGULATORY or cfg80211 will set it for the wiphy
3612 * that called this helper.
3614 void wiphy_apply_custom_regulatory(struct wiphy
*wiphy
,
3615 const struct ieee80211_regdomain
*regd
);
3618 * freq_reg_info - get regulatory information for the given frequency
3619 * @wiphy: the wiphy for which we want to process this rule for
3620 * @center_freq: Frequency in KHz for which we want regulatory information for
3622 * Use this function to get the regulatory rule for a specific frequency on
3623 * a given wireless device. If the device has a specific regulatory domain
3624 * it wants to follow we respect that unless a country IE has been received
3625 * and processed already.
3627 * Return: A valid pointer, or, when an error occurs, for example if no rule
3628 * can be found, the return value is encoded using ERR_PTR(). Use IS_ERR() to
3629 * check and PTR_ERR() to obtain the numeric return value. The numeric return
3630 * value will be -ERANGE if we determine the given center_freq does not even
3631 * have a regulatory rule for a frequency range in the center_freq's band.
3632 * See freq_in_rule_band() for our current definition of a band -- this is
3633 * purely subjective and right now it's 802.11 specific.
3635 const struct ieee80211_reg_rule
*freq_reg_info(struct wiphy
*wiphy
,
3639 * reg_initiator_name - map regulatory request initiator enum to name
3640 * @initiator: the regulatory request initiator
3642 * You can use this to map the regulatory request initiator enum to a
3643 * proper string representation.
3645 const char *reg_initiator_name(enum nl80211_reg_initiator initiator
);
3648 * callbacks for asynchronous cfg80211 methods, notification
3649 * functions and BSS handling helpers
3653 * cfg80211_scan_done - notify that scan finished
3655 * @request: the corresponding scan request
3656 * @aborted: set to true if the scan was aborted for any reason,
3657 * userspace will be notified of that
3659 void cfg80211_scan_done(struct cfg80211_scan_request
*request
, bool aborted
);
3662 * cfg80211_sched_scan_results - notify that new scan results are available
3664 * @wiphy: the wiphy which got scheduled scan results
3666 void cfg80211_sched_scan_results(struct wiphy
*wiphy
);
3669 * cfg80211_sched_scan_stopped - notify that the scheduled scan has stopped
3671 * @wiphy: the wiphy on which the scheduled scan stopped
3673 * The driver can call this function to inform cfg80211 that the
3674 * scheduled scan had to be stopped, for whatever reason. The driver
3675 * is then called back via the sched_scan_stop operation when done.
3677 void cfg80211_sched_scan_stopped(struct wiphy
*wiphy
);
3680 * cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
3682 * @wiphy: the wiphy reporting the BSS
3683 * @rx_channel: The channel the frame was received on
3684 * @scan_width: width of the control channel
3685 * @mgmt: the management frame (probe response or beacon)
3686 * @len: length of the management frame
3687 * @signal: the signal strength, type depends on the wiphy's signal_type
3688 * @gfp: context flags
3690 * This informs cfg80211 that BSS information was found and
3691 * the BSS should be updated/added.
3693 * Return: A referenced struct, must be released with cfg80211_put_bss()!
3694 * Or %NULL on error.
3696 struct cfg80211_bss
* __must_check
3697 cfg80211_inform_bss_width_frame(struct wiphy
*wiphy
,
3698 struct ieee80211_channel
*rx_channel
,
3699 enum nl80211_bss_scan_width scan_width
,
3700 struct ieee80211_mgmt
*mgmt
, size_t len
,
3701 s32 signal
, gfp_t gfp
);
3703 static inline struct cfg80211_bss
* __must_check
3704 cfg80211_inform_bss_frame(struct wiphy
*wiphy
,
3705 struct ieee80211_channel
*rx_channel
,
3706 struct ieee80211_mgmt
*mgmt
, size_t len
,
3707 s32 signal
, gfp_t gfp
)
3709 return cfg80211_inform_bss_width_frame(wiphy
, rx_channel
,
3710 NL80211_BSS_CHAN_WIDTH_20
,
3711 mgmt
, len
, signal
, gfp
);
3715 * cfg80211_inform_bss - inform cfg80211 of a new BSS
3717 * @wiphy: the wiphy reporting the BSS
3718 * @rx_channel: The channel the frame was received on
3719 * @scan_width: width of the control channel
3720 * @bssid: the BSSID of the BSS
3721 * @tsf: the TSF sent by the peer in the beacon/probe response (or 0)
3722 * @capability: the capability field sent by the peer
3723 * @beacon_interval: the beacon interval announced by the peer
3724 * @ie: additional IEs sent by the peer
3725 * @ielen: length of the additional IEs
3726 * @signal: the signal strength, type depends on the wiphy's signal_type
3727 * @gfp: context flags
3729 * This informs cfg80211 that BSS information was found and
3730 * the BSS should be updated/added.
3732 * Return: A referenced struct, must be released with cfg80211_put_bss()!
3733 * Or %NULL on error.
3735 struct cfg80211_bss
* __must_check
3736 cfg80211_inform_bss_width(struct wiphy
*wiphy
,
3737 struct ieee80211_channel
*rx_channel
,
3738 enum nl80211_bss_scan_width scan_width
,
3739 const u8
*bssid
, u64 tsf
, u16 capability
,
3740 u16 beacon_interval
, const u8
*ie
, size_t ielen
,
3741 s32 signal
, gfp_t gfp
);
3743 static inline struct cfg80211_bss
* __must_check
3744 cfg80211_inform_bss(struct wiphy
*wiphy
,
3745 struct ieee80211_channel
*rx_channel
,
3746 const u8
*bssid
, u64 tsf
, u16 capability
,
3747 u16 beacon_interval
, const u8
*ie
, size_t ielen
,
3748 s32 signal
, gfp_t gfp
)
3750 return cfg80211_inform_bss_width(wiphy
, rx_channel
,
3751 NL80211_BSS_CHAN_WIDTH_20
,
3752 bssid
, tsf
, capability
,
3753 beacon_interval
, ie
, ielen
, signal
,
3757 struct cfg80211_bss
*cfg80211_get_bss(struct wiphy
*wiphy
,
3758 struct ieee80211_channel
*channel
,
3760 const u8
*ssid
, size_t ssid_len
,
3761 u16 capa_mask
, u16 capa_val
);
3762 static inline struct cfg80211_bss
*
3763 cfg80211_get_ibss(struct wiphy
*wiphy
,
3764 struct ieee80211_channel
*channel
,
3765 const u8
*ssid
, size_t ssid_len
)
3767 return cfg80211_get_bss(wiphy
, channel
, NULL
, ssid
, ssid_len
,
3768 WLAN_CAPABILITY_IBSS
, WLAN_CAPABILITY_IBSS
);
3772 * cfg80211_ref_bss - reference BSS struct
3773 * @wiphy: the wiphy this BSS struct belongs to
3774 * @bss: the BSS struct to reference
3776 * Increments the refcount of the given BSS struct.
3778 void cfg80211_ref_bss(struct wiphy
*wiphy
, struct cfg80211_bss
*bss
);
3781 * cfg80211_put_bss - unref BSS struct
3782 * @wiphy: the wiphy this BSS struct belongs to
3783 * @bss: the BSS struct
3785 * Decrements the refcount of the given BSS struct.
3787 void cfg80211_put_bss(struct wiphy
*wiphy
, struct cfg80211_bss
*bss
);
3790 * cfg80211_unlink_bss - unlink BSS from internal data structures
3792 * @bss: the bss to remove
3794 * This function removes the given BSS from the internal data structures
3795 * thereby making it no longer show up in scan results etc. Use this
3796 * function when you detect a BSS is gone. Normally BSSes will also time
3797 * out, so it is not necessary to use this function at all.
3799 void cfg80211_unlink_bss(struct wiphy
*wiphy
, struct cfg80211_bss
*bss
);
3801 static inline enum nl80211_bss_scan_width
3802 cfg80211_chandef_to_scan_width(const struct cfg80211_chan_def
*chandef
)
3804 switch (chandef
->width
) {
3805 case NL80211_CHAN_WIDTH_5
:
3806 return NL80211_BSS_CHAN_WIDTH_5
;
3807 case NL80211_CHAN_WIDTH_10
:
3808 return NL80211_BSS_CHAN_WIDTH_10
;
3810 return NL80211_BSS_CHAN_WIDTH_20
;
3815 * cfg80211_rx_mlme_mgmt - notification of processed MLME management frame
3816 * @dev: network device
3817 * @buf: authentication frame (header + body)
3818 * @len: length of the frame data
3820 * This function is called whenever an authentication, disassociation or
3821 * deauthentication frame has been received and processed in station mode.
3822 * After being asked to authenticate via cfg80211_ops::auth() the driver must
3823 * call either this function or cfg80211_auth_timeout().
3824 * After being asked to associate via cfg80211_ops::assoc() the driver must
3825 * call either this function or cfg80211_auth_timeout().
3826 * While connected, the driver must calls this for received and processed
3827 * disassociation and deauthentication frames. If the frame couldn't be used
3828 * because it was unprotected, the driver must call the function
3829 * cfg80211_rx_unprot_mlme_mgmt() instead.
3831 * This function may sleep. The caller must hold the corresponding wdev's mutex.
3833 void cfg80211_rx_mlme_mgmt(struct net_device
*dev
, const u8
*buf
, size_t len
);
3836 * cfg80211_auth_timeout - notification of timed out authentication
3837 * @dev: network device
3838 * @addr: The MAC address of the device with which the authentication timed out
3840 * This function may sleep. The caller must hold the corresponding wdev's
3843 void cfg80211_auth_timeout(struct net_device
*dev
, const u8
*addr
);
3846 * cfg80211_rx_assoc_resp - notification of processed association response
3847 * @dev: network device
3848 * @bss: the BSS that association was requested with, ownership of the pointer
3849 * moves to cfg80211 in this call
3850 * @buf: authentication frame (header + body)
3851 * @len: length of the frame data
3853 * After being asked to associate via cfg80211_ops::assoc() the driver must
3854 * call either this function or cfg80211_auth_timeout().
3856 * This function may sleep. The caller must hold the corresponding wdev's mutex.
3858 void cfg80211_rx_assoc_resp(struct net_device
*dev
,
3859 struct cfg80211_bss
*bss
,
3860 const u8
*buf
, size_t len
);
3863 * cfg80211_assoc_timeout - notification of timed out association
3864 * @dev: network device
3865 * @bss: The BSS entry with which association timed out.
3867 * This function may sleep. The caller must hold the corresponding wdev's mutex.
3869 void cfg80211_assoc_timeout(struct net_device
*dev
, struct cfg80211_bss
*bss
);
3872 * cfg80211_tx_mlme_mgmt - notification of transmitted deauth/disassoc frame
3873 * @dev: network device
3874 * @buf: 802.11 frame (header + body)
3875 * @len: length of the frame data
3877 * This function is called whenever deauthentication has been processed in
3878 * station mode. This includes both received deauthentication frames and
3879 * locally generated ones. This function may sleep. The caller must hold the
3880 * corresponding wdev's mutex.
3882 void cfg80211_tx_mlme_mgmt(struct net_device
*dev
, const u8
*buf
, size_t len
);
3885 * cfg80211_rx_unprot_mlme_mgmt - notification of unprotected mlme mgmt frame
3886 * @dev: network device
3887 * @buf: deauthentication frame (header + body)
3888 * @len: length of the frame data
3890 * This function is called whenever a received deauthentication or dissassoc
3891 * frame has been dropped in station mode because of MFP being used but the
3892 * frame was not protected. This function may sleep.
3894 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
,
3895 const u8
*buf
, size_t len
);
3898 * cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP)
3899 * @dev: network device
3900 * @addr: The source MAC address of the frame
3901 * @key_type: The key type that the received frame used
3902 * @key_id: Key identifier (0..3). Can be -1 if missing.
3903 * @tsc: The TSC value of the frame that generated the MIC failure (6 octets)
3904 * @gfp: allocation flags
3906 * This function is called whenever the local MAC detects a MIC failure in a
3907 * received frame. This matches with MLME-MICHAELMICFAILURE.indication()
3910 void cfg80211_michael_mic_failure(struct net_device
*dev
, const u8
*addr
,
3911 enum nl80211_key_type key_type
, int key_id
,
3912 const u8
*tsc
, gfp_t gfp
);
3915 * cfg80211_ibss_joined - notify cfg80211 that device joined an IBSS
3917 * @dev: network device
3918 * @bssid: the BSSID of the IBSS joined
3919 * @channel: the channel of the IBSS joined
3920 * @gfp: allocation flags
3922 * This function notifies cfg80211 that the device joined an IBSS or
3923 * switched to a different BSSID. Before this function can be called,
3924 * either a beacon has to have been received from the IBSS, or one of
3925 * the cfg80211_inform_bss{,_frame} functions must have been called
3926 * with the locally generated beacon -- this guarantees that there is
3927 * always a scan result for this IBSS. cfg80211 will handle the rest.
3929 void cfg80211_ibss_joined(struct net_device
*dev
, const u8
*bssid
,
3930 struct ieee80211_channel
*channel
, gfp_t gfp
);
3933 * cfg80211_notify_new_candidate - notify cfg80211 of a new mesh peer candidate
3935 * @dev: network device
3936 * @macaddr: the MAC address of the new candidate
3937 * @ie: information elements advertised by the peer candidate
3938 * @ie_len: lenght of the information elements buffer
3939 * @gfp: allocation flags
3941 * This function notifies cfg80211 that the mesh peer candidate has been
3942 * detected, most likely via a beacon or, less likely, via a probe response.
3943 * cfg80211 then sends a notification to userspace.
3945 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
,
3946 const u8
*macaddr
, const u8
*ie
, u8 ie_len
, gfp_t gfp
);
3949 * DOC: RFkill integration
3951 * RFkill integration in cfg80211 is almost invisible to drivers,
3952 * as cfg80211 automatically registers an rfkill instance for each
3953 * wireless device it knows about. Soft kill is also translated
3954 * into disconnecting and turning all interfaces off, drivers are
3955 * expected to turn off the device when all interfaces are down.
3957 * However, devices may have a hard RFkill line, in which case they
3958 * also need to interact with the rfkill subsystem, via cfg80211.
3959 * They can do this with a few helper functions documented here.
3963 * wiphy_rfkill_set_hw_state - notify cfg80211 about hw block state
3965 * @blocked: block status
3967 void wiphy_rfkill_set_hw_state(struct wiphy
*wiphy
, bool blocked
);
3970 * wiphy_rfkill_start_polling - start polling rfkill
3973 void wiphy_rfkill_start_polling(struct wiphy
*wiphy
);
3976 * wiphy_rfkill_stop_polling - stop polling rfkill
3979 void wiphy_rfkill_stop_polling(struct wiphy
*wiphy
);
3982 * DOC: Vendor commands
3984 * Occasionally, there are special protocol or firmware features that
3985 * can't be implemented very openly. For this and similar cases, the
3986 * vendor command functionality allows implementing the features with
3987 * (typically closed-source) userspace and firmware, using nl80211 as
3988 * the configuration mechanism.
3990 * A driver supporting vendor commands must register them as an array
3991 * in struct wiphy, with handlers for each one, each command has an
3992 * OUI and sub command ID to identify it.
3994 * Note that this feature should not be (ab)used to implement protocol
3995 * features that could openly be shared across drivers. In particular,
3996 * it must never be required to use vendor commands to implement any
3997 * "normal" functionality that higher-level userspace like connection
3998 * managers etc. need.
4001 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
4002 enum nl80211_commands cmd
,
4003 enum nl80211_attrs attr
,
4006 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
4007 enum nl80211_commands cmd
,
4008 enum nl80211_attrs attr
,
4009 int vendor_event_idx
,
4010 int approxlen
, gfp_t gfp
);
4012 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
);
4015 * cfg80211_vendor_cmd_alloc_reply_skb - allocate vendor command reply
4017 * @approxlen: an upper bound of the length of the data that will
4018 * be put into the skb
4020 * This function allocates and pre-fills an skb for a reply to
4021 * a vendor command. Since it is intended for a reply, calling
4022 * it outside of a vendor command's doit() operation is invalid.
4024 * The returned skb is pre-filled with some identifying data in
4025 * a way that any data that is put into the skb (with skb_put(),
4026 * nla_put() or similar) will end up being within the
4027 * %NL80211_ATTR_VENDOR_DATA attribute, so all that needs to be done
4028 * with the skb is adding data for the corresponding userspace tool
4029 * which can then read that data out of the vendor data attribute.
4030 * You must not modify the skb in any other way.
4032 * When done, call cfg80211_vendor_cmd_reply() with the skb and return
4033 * its error code as the result of the doit() operation.
4035 * Return: An allocated and pre-filled skb. %NULL if any errors happen.
4037 static inline struct sk_buff
*
4038 cfg80211_vendor_cmd_alloc_reply_skb(struct wiphy
*wiphy
, int approxlen
)
4040 return __cfg80211_alloc_reply_skb(wiphy
, NL80211_CMD_VENDOR
,
4041 NL80211_ATTR_VENDOR_DATA
, approxlen
);
4045 * cfg80211_vendor_cmd_reply - send the reply skb
4046 * @skb: The skb, must have been allocated with
4047 * cfg80211_vendor_cmd_alloc_reply_skb()
4049 * Since calling this function will usually be the last thing
4050 * before returning from the vendor command doit() you should
4051 * return the error code. Note that this function consumes the
4052 * skb regardless of the return value.
4054 * Return: An error code or 0 on success.
4056 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
);
4059 * cfg80211_vendor_event_alloc - allocate vendor-specific event skb
4061 * @event_idx: index of the vendor event in the wiphy's vendor_events
4062 * @approxlen: an upper bound of the length of the data that will
4063 * be put into the skb
4064 * @gfp: allocation flags
4066 * This function allocates and pre-fills an skb for an event on the
4067 * vendor-specific multicast group.
4069 * When done filling the skb, call cfg80211_vendor_event() with the
4070 * skb to send the event.
4072 * Return: An allocated and pre-filled skb. %NULL if any errors happen.
4074 static inline struct sk_buff
*
4075 cfg80211_vendor_event_alloc(struct wiphy
*wiphy
, int approxlen
,
4076 int event_idx
, gfp_t gfp
)
4078 return __cfg80211_alloc_event_skb(wiphy
, NL80211_CMD_VENDOR
,
4079 NL80211_ATTR_VENDOR_DATA
,
4080 event_idx
, approxlen
, gfp
);
4084 * cfg80211_vendor_event - send the event
4085 * @skb: The skb, must have been allocated with cfg80211_vendor_event_alloc()
4086 * @gfp: allocation flags
4088 * This function sends the given @skb, which must have been allocated
4089 * by cfg80211_vendor_event_alloc(), as an event. It always consumes it.
4091 static inline void cfg80211_vendor_event(struct sk_buff
*skb
, gfp_t gfp
)
4093 __cfg80211_send_event_skb(skb
, gfp
);
4096 #ifdef CONFIG_NL80211_TESTMODE
4100 * Test mode is a set of utility functions to allow drivers to
4101 * interact with driver-specific tools to aid, for instance,
4102 * factory programming.
4104 * This chapter describes how drivers interact with it, for more
4105 * information see the nl80211 book's chapter on it.
4109 * cfg80211_testmode_alloc_reply_skb - allocate testmode reply
4111 * @approxlen: an upper bound of the length of the data that will
4112 * be put into the skb
4114 * This function allocates and pre-fills an skb for a reply to
4115 * the testmode command. Since it is intended for a reply, calling
4116 * it outside of the @testmode_cmd operation is invalid.
4118 * The returned skb is pre-filled with the wiphy index and set up in
4119 * a way that any data that is put into the skb (with skb_put(),
4120 * nla_put() or similar) will end up being within the
4121 * %NL80211_ATTR_TESTDATA attribute, so all that needs to be done
4122 * with the skb is adding data for the corresponding userspace tool
4123 * which can then read that data out of the testdata attribute. You
4124 * must not modify the skb in any other way.
4126 * When done, call cfg80211_testmode_reply() with the skb and return
4127 * its error code as the result of the @testmode_cmd operation.
4129 * Return: An allocated and pre-filled skb. %NULL if any errors happen.
4131 static inline struct sk_buff
*
4132 cfg80211_testmode_alloc_reply_skb(struct wiphy
*wiphy
, int approxlen
)
4134 return __cfg80211_alloc_reply_skb(wiphy
, NL80211_CMD_TESTMODE
,
4135 NL80211_ATTR_TESTDATA
, approxlen
);
4139 * cfg80211_testmode_reply - send the reply skb
4140 * @skb: The skb, must have been allocated with
4141 * cfg80211_testmode_alloc_reply_skb()
4143 * Since calling this function will usually be the last thing
4144 * before returning from the @testmode_cmd you should return
4145 * the error code. Note that this function consumes the skb
4146 * regardless of the return value.
4148 * Return: An error code or 0 on success.
4150 static inline int cfg80211_testmode_reply(struct sk_buff
*skb
)
4152 return cfg80211_vendor_cmd_reply(skb
);
4156 * cfg80211_testmode_alloc_event_skb - allocate testmode event
4158 * @approxlen: an upper bound of the length of the data that will
4159 * be put into the skb
4160 * @gfp: allocation flags
4162 * This function allocates and pre-fills an skb for an event on the
4163 * testmode multicast group.
4165 * The returned skb is set up in the same way as with
4166 * cfg80211_testmode_alloc_reply_skb() but prepared for an event. As
4167 * there, you should simply add data to it that will then end up in the
4168 * %NL80211_ATTR_TESTDATA attribute. Again, you must not modify the skb
4171 * When done filling the skb, call cfg80211_testmode_event() with the
4172 * skb to send the event.
4174 * Return: An allocated and pre-filled skb. %NULL if any errors happen.
4176 static inline struct sk_buff
*
4177 cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
, int approxlen
, gfp_t gfp
)
4179 return __cfg80211_alloc_event_skb(wiphy
, NL80211_CMD_TESTMODE
,
4180 NL80211_ATTR_TESTDATA
, -1,
4185 * cfg80211_testmode_event - send the event
4186 * @skb: The skb, must have been allocated with
4187 * cfg80211_testmode_alloc_event_skb()
4188 * @gfp: allocation flags
4190 * This function sends the given @skb, which must have been allocated
4191 * by cfg80211_testmode_alloc_event_skb(), as an event. It always
4194 static inline void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
4196 __cfg80211_send_event_skb(skb
, gfp
);
4199 #define CFG80211_TESTMODE_CMD(cmd) .testmode_cmd = (cmd),
4200 #define CFG80211_TESTMODE_DUMP(cmd) .testmode_dump = (cmd),
4202 #define CFG80211_TESTMODE_CMD(cmd)
4203 #define CFG80211_TESTMODE_DUMP(cmd)
4207 * cfg80211_connect_result - notify cfg80211 of connection result
4209 * @dev: network device
4210 * @bssid: the BSSID of the AP
4211 * @req_ie: association request IEs (maybe be %NULL)
4212 * @req_ie_len: association request IEs length
4213 * @resp_ie: association response IEs (may be %NULL)
4214 * @resp_ie_len: assoc response IEs length
4215 * @status: status code, 0 for successful connection, use
4216 * %WLAN_STATUS_UNSPECIFIED_FAILURE if your device cannot give you
4217 * the real status code for failures.
4218 * @gfp: allocation flags
4220 * It should be called by the underlying driver whenever connect() has
4223 void cfg80211_connect_result(struct net_device
*dev
, const u8
*bssid
,
4224 const u8
*req_ie
, size_t req_ie_len
,
4225 const u8
*resp_ie
, size_t resp_ie_len
,
4226 u16 status
, gfp_t gfp
);
4229 * cfg80211_roamed - notify cfg80211 of roaming
4231 * @dev: network device
4232 * @channel: the channel of the new AP
4233 * @bssid: the BSSID of the new AP
4234 * @req_ie: association request IEs (maybe be %NULL)
4235 * @req_ie_len: association request IEs length
4236 * @resp_ie: association response IEs (may be %NULL)
4237 * @resp_ie_len: assoc response IEs length
4238 * @gfp: allocation flags
4240 * It should be called by the underlying driver whenever it roamed
4241 * from one AP to another while connected.
4243 void cfg80211_roamed(struct net_device
*dev
,
4244 struct ieee80211_channel
*channel
,
4246 const u8
*req_ie
, size_t req_ie_len
,
4247 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
);
4250 * cfg80211_roamed_bss - notify cfg80211 of roaming
4252 * @dev: network device
4253 * @bss: entry of bss to which STA got roamed
4254 * @req_ie: association request IEs (maybe be %NULL)
4255 * @req_ie_len: association request IEs length
4256 * @resp_ie: association response IEs (may be %NULL)
4257 * @resp_ie_len: assoc response IEs length
4258 * @gfp: allocation flags
4260 * This is just a wrapper to notify cfg80211 of roaming event with driver
4261 * passing bss to avoid a race in timeout of the bss entry. It should be
4262 * called by the underlying driver whenever it roamed from one AP to another
4263 * while connected. Drivers which have roaming implemented in firmware
4264 * may use this function to avoid a race in bss entry timeout where the bss
4265 * entry of the new AP is seen in the driver, but gets timed out by the time
4266 * it is accessed in __cfg80211_roamed() due to delay in scheduling
4267 * rdev->event_work. In case of any failures, the reference is released
4268 * either in cfg80211_roamed_bss() or in __cfg80211_romed(), Otherwise,
4269 * it will be released while diconneting from the current bss.
4271 void cfg80211_roamed_bss(struct net_device
*dev
, struct cfg80211_bss
*bss
,
4272 const u8
*req_ie
, size_t req_ie_len
,
4273 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
);
4276 * cfg80211_disconnected - notify cfg80211 that connection was dropped
4278 * @dev: network device
4279 * @ie: information elements of the deauth/disassoc frame (may be %NULL)
4280 * @ie_len: length of IEs
4281 * @reason: reason code for the disconnection, set it to 0 if unknown
4282 * @gfp: allocation flags
4284 * After it calls this function, the driver should enter an idle state
4285 * and not try to connect to any AP any more.
4287 void cfg80211_disconnected(struct net_device
*dev
, u16 reason
,
4288 u8
*ie
, size_t ie_len
, gfp_t gfp
);
4291 * cfg80211_ready_on_channel - notification of remain_on_channel start
4292 * @wdev: wireless device
4293 * @cookie: the request cookie
4294 * @chan: The current channel (from remain_on_channel request)
4295 * @duration: Duration in milliseconds that the driver intents to remain on the
4297 * @gfp: allocation flags
4299 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
4300 struct ieee80211_channel
*chan
,
4301 unsigned int duration
, gfp_t gfp
);
4304 * cfg80211_remain_on_channel_expired - remain_on_channel duration expired
4305 * @wdev: wireless device
4306 * @cookie: the request cookie
4307 * @chan: The current channel (from remain_on_channel request)
4308 * @gfp: allocation flags
4310 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
4311 struct ieee80211_channel
*chan
,
4316 * cfg80211_new_sta - notify userspace about station
4319 * @mac_addr: the station's address
4320 * @sinfo: the station information
4321 * @gfp: allocation flags
4323 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
4324 struct station_info
*sinfo
, gfp_t gfp
);
4327 * cfg80211_del_sta - notify userspace about deletion of a station
4330 * @mac_addr: the station's address
4331 * @gfp: allocation flags
4333 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
);
4336 * cfg80211_conn_failed - connection request failed notification
4339 * @mac_addr: the station's address
4340 * @reason: the reason for connection failure
4341 * @gfp: allocation flags
4343 * Whenever a station tries to connect to an AP and if the station
4344 * could not connect to the AP as the AP has rejected the connection
4345 * for some reasons, this function is called.
4347 * The reason for connection failure can be any of the value from
4348 * nl80211_connect_failed_reason enum
4350 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
4351 enum nl80211_connect_failed_reason reason
,
4355 * cfg80211_rx_mgmt - notification of received, unprocessed management frame
4356 * @wdev: wireless device receiving the frame
4357 * @freq: Frequency on which the frame was received in MHz
4358 * @sig_dbm: signal strength in mBm, or 0 if unknown
4359 * @buf: Management frame (header + body)
4360 * @len: length of the frame data
4361 * @flags: flags, as defined in enum nl80211_rxmgmt_flags
4362 * @gfp: context flags
4364 * This function is called whenever an Action frame is received for a station
4365 * mode interface, but is not processed in kernel.
4367 * Return: %true if a user space application has registered for this frame.
4368 * For action frames, that makes it responsible for rejecting unrecognized
4369 * action frames; %false otherwise, in which case for action frames the
4370 * driver is responsible for rejecting the frame.
4372 bool cfg80211_rx_mgmt(struct wireless_dev
*wdev
, int freq
, int sig_dbm
,
4373 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
);
4376 * cfg80211_mgmt_tx_status - notification of TX status for management frame
4377 * @wdev: wireless device receiving the frame
4378 * @cookie: Cookie returned by cfg80211_ops::mgmt_tx()
4379 * @buf: Management frame (header + body)
4380 * @len: length of the frame data
4381 * @ack: Whether frame was acknowledged
4382 * @gfp: context flags
4384 * This function is called whenever a management frame was requested to be
4385 * transmitted with cfg80211_ops::mgmt_tx() to report the TX status of the
4386 * transmission attempt.
4388 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
4389 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
);
4393 * cfg80211_cqm_rssi_notify - connection quality monitoring rssi event
4394 * @dev: network device
4395 * @rssi_event: the triggered RSSI event
4396 * @gfp: context flags
4398 * This function is called when a configured connection quality monitoring
4399 * rssi threshold reached event occurs.
4401 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
4402 enum nl80211_cqm_rssi_threshold_event rssi_event
,
4406 * cfg80211_radar_event - radar detection event
4408 * @chandef: chandef for the current channel
4409 * @gfp: context flags
4411 * This function is called when a radar is detected on the current chanenl.
4413 void cfg80211_radar_event(struct wiphy
*wiphy
,
4414 struct cfg80211_chan_def
*chandef
, gfp_t gfp
);
4417 * cfg80211_cac_event - Channel availability check (CAC) event
4418 * @netdev: network device
4419 * @chandef: chandef for the current channel
4420 * @event: type of event
4421 * @gfp: context flags
4423 * This function is called when a Channel availability check (CAC) is finished
4424 * or aborted. This must be called to notify the completion of a CAC process,
4425 * also by full-MAC drivers.
4427 void cfg80211_cac_event(struct net_device
*netdev
,
4428 const struct cfg80211_chan_def
*chandef
,
4429 enum nl80211_radar_event event
, gfp_t gfp
);
4433 * cfg80211_cqm_pktloss_notify - notify userspace about packetloss to peer
4434 * @dev: network device
4435 * @peer: peer's MAC address
4436 * @num_packets: how many packets were lost -- should be a fixed threshold
4437 * but probably no less than maybe 50, or maybe a throughput dependent
4438 * threshold (to account for temporary interference)
4439 * @gfp: context flags
4441 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
4442 const u8
*peer
, u32 num_packets
, gfp_t gfp
);
4445 * cfg80211_cqm_txe_notify - TX error rate event
4446 * @dev: network device
4447 * @peer: peer's MAC address
4448 * @num_packets: how many packets were lost
4449 * @rate: % of packets which failed transmission
4450 * @intvl: interval (in s) over which the TX failure threshold was breached.
4451 * @gfp: context flags
4453 * Notify userspace when configured % TX failures over number of packets in a
4454 * given interval is exceeded.
4456 void cfg80211_cqm_txe_notify(struct net_device
*dev
, const u8
*peer
,
4457 u32 num_packets
, u32 rate
, u32 intvl
, gfp_t gfp
);
4460 * cfg80211_gtk_rekey_notify - notify userspace about driver rekeying
4461 * @dev: network device
4462 * @bssid: BSSID of AP (to avoid races)
4463 * @replay_ctr: new replay counter
4464 * @gfp: allocation flags
4466 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
4467 const u8
*replay_ctr
, gfp_t gfp
);
4470 * cfg80211_pmksa_candidate_notify - notify about PMKSA caching candidate
4471 * @dev: network device
4472 * @index: candidate index (the smaller the index, the higher the priority)
4473 * @bssid: BSSID of AP
4474 * @preauth: Whether AP advertises support for RSN pre-authentication
4475 * @gfp: allocation flags
4477 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
4478 const u8
*bssid
, bool preauth
, gfp_t gfp
);
4481 * cfg80211_rx_spurious_frame - inform userspace about a spurious frame
4482 * @dev: The device the frame matched to
4483 * @addr: the transmitter address
4484 * @gfp: context flags
4486 * This function is used in AP mode (only!) to inform userspace that
4487 * a spurious class 3 frame was received, to be able to deauth the
4489 * Return: %true if the frame was passed to userspace (or this failed
4490 * for a reason other than not having a subscription.)
4492 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
4493 const u8
*addr
, gfp_t gfp
);
4496 * cfg80211_rx_unexpected_4addr_frame - inform about unexpected WDS frame
4497 * @dev: The device the frame matched to
4498 * @addr: the transmitter address
4499 * @gfp: context flags
4501 * This function is used in AP mode (only!) to inform userspace that
4502 * an associated station sent a 4addr frame but that wasn't expected.
4503 * It is allowed and desirable to send this event only once for each
4504 * station to avoid event flooding.
4505 * Return: %true if the frame was passed to userspace (or this failed
4506 * for a reason other than not having a subscription.)
4508 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
4509 const u8
*addr
, gfp_t gfp
);
4512 * cfg80211_probe_status - notify userspace about probe status
4513 * @dev: the device the probe was sent on
4514 * @addr: the address of the peer
4515 * @cookie: the cookie filled in @probe_client previously
4516 * @acked: indicates whether probe was acked or not
4517 * @gfp: allocation flags
4519 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
4520 u64 cookie
, bool acked
, gfp_t gfp
);
4523 * cfg80211_report_obss_beacon - report beacon from other APs
4524 * @wiphy: The wiphy that received the beacon
4526 * @len: length of the frame
4527 * @freq: frequency the frame was received on
4528 * @sig_dbm: signal strength in mBm, or 0 if unknown
4530 * Use this function to report to userspace when a beacon was
4531 * received. It is not useful to call this when there is no
4532 * netdev that is in AP/GO mode.
4534 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
4535 const u8
*frame
, size_t len
,
4536 int freq
, int sig_dbm
);
4539 * cfg80211_reg_can_beacon - check if beaconing is allowed
4541 * @chandef: the channel definition
4543 * Return: %true if there is no secondary channel or the secondary channel(s)
4544 * can be used for beaconing (i.e. is not a radar channel etc.)
4546 bool cfg80211_reg_can_beacon(struct wiphy
*wiphy
,
4547 struct cfg80211_chan_def
*chandef
);
4550 * cfg80211_ch_switch_notify - update wdev channel and notify userspace
4551 * @dev: the device which switched channels
4552 * @chandef: the new channel definition
4554 * Caller must acquire wdev_lock, therefore must only be called from sleepable
4557 void cfg80211_ch_switch_notify(struct net_device
*dev
,
4558 struct cfg80211_chan_def
*chandef
);
4561 * ieee80211_operating_class_to_band - convert operating class to band
4563 * @operating_class: the operating class to convert
4564 * @band: band pointer to fill
4566 * Returns %true if the conversion was successful, %false otherwise.
4568 bool ieee80211_operating_class_to_band(u8 operating_class
,
4569 enum ieee80211_band
*band
);
4572 * cfg80211_tdls_oper_request - request userspace to perform TDLS operation
4573 * @dev: the device on which the operation is requested
4574 * @peer: the MAC address of the peer device
4575 * @oper: the requested TDLS operation (NL80211_TDLS_SETUP or
4576 * NL80211_TDLS_TEARDOWN)
4577 * @reason_code: the reason code for teardown request
4578 * @gfp: allocation flags
4580 * This function is used to request userspace to perform TDLS operation that
4581 * requires knowledge of keys, i.e., link setup or teardown when the AP
4582 * connection uses encryption. This is optional mechanism for the driver to use
4583 * if it can automatically determine when a TDLS link could be useful (e.g.,
4584 * based on traffic and signal strength for a peer).
4586 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
4587 enum nl80211_tdls_operation oper
,
4588 u16 reason_code
, gfp_t gfp
);
4591 * cfg80211_calculate_bitrate - calculate actual bitrate (in 100Kbps units)
4592 * @rate: given rate_info to calculate bitrate from
4594 * return 0 if MCS index >= 32
4596 u32
cfg80211_calculate_bitrate(struct rate_info
*rate
);
4599 * cfg80211_unregister_wdev - remove the given wdev
4600 * @wdev: struct wireless_dev to remove
4602 * Call this function only for wdevs that have no netdev assigned,
4603 * e.g. P2P Devices. It removes the device from the list so that
4604 * it can no longer be used. It is necessary to call this function
4605 * even when cfg80211 requests the removal of the interface by
4606 * calling the del_virtual_intf() callback. The function must also
4607 * be called when the driver wishes to unregister the wdev, e.g.
4608 * when the device is unbound from the driver.
4610 * Requires the RTNL to be held.
4612 void cfg80211_unregister_wdev(struct wireless_dev
*wdev
);
4615 * struct cfg80211_ft_event - FT Information Elements
4617 * @ies_len: length of the FT IE in bytes
4618 * @target_ap: target AP's MAC address
4620 * @ric_ies_len: length of the RIC IE in bytes
4622 struct cfg80211_ft_event_params
{
4625 const u8
*target_ap
;
4631 * cfg80211_ft_event - notify userspace about FT IE and RIC IE
4632 * @netdev: network device
4633 * @ft_event: IE information
4635 void cfg80211_ft_event(struct net_device
*netdev
,
4636 struct cfg80211_ft_event_params
*ft_event
);
4639 * cfg80211_get_p2p_attr - find and copy a P2P attribute from IE buffer
4640 * @ies: the input IE buffer
4641 * @len: the input length
4642 * @attr: the attribute ID to find
4643 * @buf: output buffer, can be %NULL if the data isn't needed, e.g.
4644 * if the function is only called to get the needed buffer size
4645 * @bufsize: size of the output buffer
4647 * The function finds a given P2P attribute in the (vendor) IEs and
4648 * copies its contents to the given buffer.
4650 * Return: A negative error code (-%EILSEQ or -%ENOENT) if the data is
4651 * malformed or the attribute can't be found (respectively), or the
4652 * length of the found attribute (which can be zero).
4654 int cfg80211_get_p2p_attr(const u8
*ies
, unsigned int len
,
4655 enum ieee80211_p2p_attr_id attr
,
4656 u8
*buf
, unsigned int bufsize
);
4659 * cfg80211_report_wowlan_wakeup - report wakeup from WoWLAN
4660 * @wdev: the wireless device reporting the wakeup
4661 * @wakeup: the wakeup report
4662 * @gfp: allocation flags
4664 * This function reports that the given device woke up. If it
4665 * caused the wakeup, report the reason(s), otherwise you may
4666 * pass %NULL as the @wakeup parameter to advertise that something
4667 * else caused the wakeup.
4669 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
4670 struct cfg80211_wowlan_wakeup
*wakeup
,
4674 * cfg80211_crit_proto_stopped() - indicate critical protocol stopped by driver.
4676 * @wdev: the wireless device for which critical protocol is stopped.
4677 * @gfp: allocation flags
4679 * This function can be called by the driver to indicate it has reverted
4680 * operation back to normal. One reason could be that the duration given
4681 * by .crit_proto_start() has expired.
4683 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
);
4686 * ieee80211_get_num_supported_channels - get number of channels device has
4689 * Return: the number of channels supported by the device.
4691 unsigned int ieee80211_get_num_supported_channels(struct wiphy
*wiphy
);
4693 /* Logging, debugging and troubleshooting/diagnostic helpers. */
4695 /* wiphy_printk helpers, similar to dev_printk */
4697 #define wiphy_printk(level, wiphy, format, args...) \
4698 dev_printk(level, &(wiphy)->dev, format, ##args)
4699 #define wiphy_emerg(wiphy, format, args...) \
4700 dev_emerg(&(wiphy)->dev, format, ##args)
4701 #define wiphy_alert(wiphy, format, args...) \
4702 dev_alert(&(wiphy)->dev, format, ##args)
4703 #define wiphy_crit(wiphy, format, args...) \
4704 dev_crit(&(wiphy)->dev, format, ##args)
4705 #define wiphy_err(wiphy, format, args...) \
4706 dev_err(&(wiphy)->dev, format, ##args)
4707 #define wiphy_warn(wiphy, format, args...) \
4708 dev_warn(&(wiphy)->dev, format, ##args)
4709 #define wiphy_notice(wiphy, format, args...) \
4710 dev_notice(&(wiphy)->dev, format, ##args)
4711 #define wiphy_info(wiphy, format, args...) \
4712 dev_info(&(wiphy)->dev, format, ##args)
4714 #define wiphy_debug(wiphy, format, args...) \
4715 wiphy_printk(KERN_DEBUG, wiphy, format, ##args)
4717 #define wiphy_dbg(wiphy, format, args...) \
4718 dev_dbg(&(wiphy)->dev, format, ##args)
4720 #if defined(VERBOSE_DEBUG)
4721 #define wiphy_vdbg wiphy_dbg
4723 #define wiphy_vdbg(wiphy, format, args...) \
4726 wiphy_printk(KERN_DEBUG, wiphy, format, ##args); \
4732 * wiphy_WARN() acts like wiphy_printk(), but with the key difference
4733 * of using a WARN/WARN_ON to get the message out, including the
4734 * file/line information and a backtrace.
4736 #define wiphy_WARN(wiphy, format, args...) \
4737 WARN(1, "wiphy: %s\n" format, wiphy_name(wiphy), ##args);
4739 #endif /* __NET_CFG80211_H */