1515 lines
49 KiB
C
1515 lines
49 KiB
C
#ifndef __NET_CFG80211_H
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#define __NET_CFG80211_H
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/*
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* 802.11 device and configuration interface
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*
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* Copyright 2006-2009 Johannes Berg <johannes@sipsolutions.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/netdevice.h>
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#include <linux/debugfs.h>
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#include <linux/list.h>
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#include <linux/netlink.h>
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#include <linux/skbuff.h>
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#include <linux/nl80211.h>
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#include <linux/if_ether.h>
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#include <linux/ieee80211.h>
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#include <net/regulatory.h>
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/* remove once we remove the wext stuff */
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#include <net/iw_handler.h>
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#include <linux/wireless.h>
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/*
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* wireless hardware capability structures
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*/
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/**
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* enum ieee80211_band - supported frequency bands
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*
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* The bands are assigned this way because the supported
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* bitrates differ in these bands.
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*
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* @IEEE80211_BAND_2GHZ: 2.4GHz ISM band
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* @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7)
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*/
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enum ieee80211_band {
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IEEE80211_BAND_2GHZ,
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IEEE80211_BAND_5GHZ,
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/* keep last */
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IEEE80211_NUM_BANDS
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};
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/**
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* enum ieee80211_channel_flags - channel flags
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*
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* Channel flags set by the regulatory control code.
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*
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* @IEEE80211_CHAN_DISABLED: This channel is disabled.
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* @IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
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* on this channel.
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* @IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
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* @IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
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* @IEEE80211_CHAN_NO_FAT_ABOVE: extension channel above this channel
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* is not permitted.
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* @IEEE80211_CHAN_NO_FAT_BELOW: extension channel below this channel
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* is not permitted.
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*/
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enum ieee80211_channel_flags {
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IEEE80211_CHAN_DISABLED = 1<<0,
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IEEE80211_CHAN_PASSIVE_SCAN = 1<<1,
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IEEE80211_CHAN_NO_IBSS = 1<<2,
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IEEE80211_CHAN_RADAR = 1<<3,
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IEEE80211_CHAN_NO_FAT_ABOVE = 1<<4,
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IEEE80211_CHAN_NO_FAT_BELOW = 1<<5,
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};
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/**
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* struct ieee80211_channel - channel definition
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*
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* This structure describes a single channel for use
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* with cfg80211.
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*
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* @center_freq: center frequency in MHz
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* @max_bandwidth: maximum allowed bandwidth for this channel, in MHz
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* @hw_value: hardware-specific value for the channel
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* @flags: channel flags from &enum ieee80211_channel_flags.
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* @orig_flags: channel flags at registration time, used by regulatory
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* code to support devices with additional restrictions
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* @band: band this channel belongs to.
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* @max_antenna_gain: maximum antenna gain in dBi
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* @max_power: maximum transmission power (in dBm)
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* @beacon_found: helper to regulatory code to indicate when a beacon
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* has been found on this channel. Use regulatory_hint_found_beacon()
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* to enable this, this is is useful only on 5 GHz band.
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* @orig_mag: internal use
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* @orig_mpwr: internal use
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*/
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struct ieee80211_channel {
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enum ieee80211_band band;
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u16 center_freq;
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u8 max_bandwidth;
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u16 hw_value;
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u32 flags;
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int max_antenna_gain;
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int max_power;
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bool beacon_found;
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u32 orig_flags;
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int orig_mag, orig_mpwr;
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};
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/**
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* enum ieee80211_rate_flags - rate flags
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*
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* Hardware/specification flags for rates. These are structured
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* in a way that allows using the same bitrate structure for
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* different bands/PHY modes.
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*
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* @IEEE80211_RATE_SHORT_PREAMBLE: Hardware can send with short
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* preamble on this bitrate; only relevant in 2.4GHz band and
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* with CCK rates.
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* @IEEE80211_RATE_MANDATORY_A: This bitrate is a mandatory rate
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* when used with 802.11a (on the 5 GHz band); filled by the
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* core code when registering the wiphy.
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* @IEEE80211_RATE_MANDATORY_B: This bitrate is a mandatory rate
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* when used with 802.11b (on the 2.4 GHz band); filled by the
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* core code when registering the wiphy.
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* @IEEE80211_RATE_MANDATORY_G: This bitrate is a mandatory rate
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* when used with 802.11g (on the 2.4 GHz band); filled by the
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* core code when registering the wiphy.
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* @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode.
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*/
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enum ieee80211_rate_flags {
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IEEE80211_RATE_SHORT_PREAMBLE = 1<<0,
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IEEE80211_RATE_MANDATORY_A = 1<<1,
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IEEE80211_RATE_MANDATORY_B = 1<<2,
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IEEE80211_RATE_MANDATORY_G = 1<<3,
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IEEE80211_RATE_ERP_G = 1<<4,
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};
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/**
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* struct ieee80211_rate - bitrate definition
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*
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* This structure describes a bitrate that an 802.11 PHY can
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* operate with. The two values @hw_value and @hw_value_short
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* are only for driver use when pointers to this structure are
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* passed around.
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*
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* @flags: rate-specific flags
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* @bitrate: bitrate in units of 100 Kbps
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* @hw_value: driver/hardware value for this rate
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* @hw_value_short: driver/hardware value for this rate when
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* short preamble is used
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*/
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struct ieee80211_rate {
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u32 flags;
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u16 bitrate;
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u16 hw_value, hw_value_short;
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};
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/**
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* struct ieee80211_sta_ht_cap - STA's HT capabilities
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*
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* This structure describes most essential parameters needed
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* to describe 802.11n HT capabilities for an STA.
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*
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* @ht_supported: is HT supported by the STA
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* @cap: HT capabilities map as described in 802.11n spec
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* @ampdu_factor: Maximum A-MPDU length factor
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* @ampdu_density: Minimum A-MPDU spacing
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* @mcs: Supported MCS rates
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*/
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struct ieee80211_sta_ht_cap {
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u16 cap; /* use IEEE80211_HT_CAP_ */
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bool ht_supported;
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u8 ampdu_factor;
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u8 ampdu_density;
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struct ieee80211_mcs_info mcs;
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};
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/**
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* struct ieee80211_supported_band - frequency band definition
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*
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* This structure describes a frequency band a wiphy
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* is able to operate in.
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*
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* @channels: Array of channels the hardware can operate in
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* in this band.
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* @band: the band this structure represents
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* @n_channels: Number of channels in @channels
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* @bitrates: Array of bitrates the hardware can operate with
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* in this band. Must be sorted to give a valid "supported
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* rates" IE, i.e. CCK rates first, then OFDM.
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* @n_bitrates: Number of bitrates in @bitrates
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*/
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struct ieee80211_supported_band {
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struct ieee80211_channel *channels;
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struct ieee80211_rate *bitrates;
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enum ieee80211_band band;
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int n_channels;
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int n_bitrates;
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struct ieee80211_sta_ht_cap ht_cap;
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};
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/*
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* Wireless hardware/device configuration structures and methods
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*/
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/**
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* struct vif_params - describes virtual interface parameters
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* @mesh_id: mesh ID to use
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* @mesh_id_len: length of the mesh ID
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*/
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struct vif_params {
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u8 *mesh_id;
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int mesh_id_len;
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};
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/**
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* struct key_params - key information
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*
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* Information about a key
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*
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* @key: key material
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* @key_len: length of key material
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* @cipher: cipher suite selector
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* @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used
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* with the get_key() callback, must be in little endian,
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* length given by @seq_len.
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*/
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struct key_params {
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u8 *key;
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u8 *seq;
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int key_len;
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int seq_len;
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u32 cipher;
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};
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/**
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* struct beacon_parameters - beacon parameters
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*
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* Used to configure the beacon for an interface.
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*
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* @head: head portion of beacon (before TIM IE)
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* or %NULL if not changed
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* @tail: tail portion of beacon (after TIM IE)
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* or %NULL if not changed
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* @interval: beacon interval or zero if not changed
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* @dtim_period: DTIM period or zero if not changed
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* @head_len: length of @head
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* @tail_len: length of @tail
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*/
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struct beacon_parameters {
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u8 *head, *tail;
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int interval, dtim_period;
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int head_len, tail_len;
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};
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/**
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* enum station_flags - station flags
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*
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* Station capability flags. Note that these must be the bits
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* according to the nl80211 flags.
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*
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* @STATION_FLAG_CHANGED: station flags were changed
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* @STATION_FLAG_AUTHORIZED: station is authorized to send frames (802.1X)
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* @STATION_FLAG_SHORT_PREAMBLE: station is capable of receiving frames
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* with short preambles
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* @STATION_FLAG_WME: station is WME/QoS capable
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* @STATION_FLAG_MFP: station uses management frame protection
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*/
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enum station_flags {
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STATION_FLAG_CHANGED = 1<<0,
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STATION_FLAG_AUTHORIZED = 1<<NL80211_STA_FLAG_AUTHORIZED,
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STATION_FLAG_SHORT_PREAMBLE = 1<<NL80211_STA_FLAG_SHORT_PREAMBLE,
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STATION_FLAG_WME = 1<<NL80211_STA_FLAG_WME,
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STATION_FLAG_MFP = 1<<NL80211_STA_FLAG_MFP,
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};
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/**
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* enum plink_action - actions to perform in mesh peers
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*
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* @PLINK_ACTION_INVALID: action 0 is reserved
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* @PLINK_ACTION_OPEN: start mesh peer link establishment
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* @PLINK_ACTION_BLOCL: block traffic from this mesh peer
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*/
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enum plink_actions {
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PLINK_ACTION_INVALID,
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PLINK_ACTION_OPEN,
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PLINK_ACTION_BLOCK,
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};
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/**
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* struct station_parameters - station parameters
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*
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* Used to change and create a new station.
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*
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* @vlan: vlan interface station should belong to
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* @supported_rates: supported rates in IEEE 802.11 format
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* (or NULL for no change)
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* @supported_rates_len: number of supported rates
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* @station_flags: station flags (see &enum station_flags)
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* @listen_interval: listen interval or -1 for no change
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* @aid: AID or zero for no change
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*/
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struct station_parameters {
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u8 *supported_rates;
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struct net_device *vlan;
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u32 station_flags;
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int listen_interval;
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u16 aid;
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u8 supported_rates_len;
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u8 plink_action;
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struct ieee80211_ht_cap *ht_capa;
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};
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/**
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* enum station_info_flags - station information flags
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*
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* Used by the driver to indicate which info in &struct station_info
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* it has filled in during get_station() or dump_station().
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*
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* @STATION_INFO_INACTIVE_TIME: @inactive_time filled
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* @STATION_INFO_RX_BYTES: @rx_bytes filled
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* @STATION_INFO_TX_BYTES: @tx_bytes filled
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* @STATION_INFO_LLID: @llid filled
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* @STATION_INFO_PLID: @plid filled
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* @STATION_INFO_PLINK_STATE: @plink_state filled
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* @STATION_INFO_SIGNAL: @signal filled
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* @STATION_INFO_TX_BITRATE: @tx_bitrate fields are filled
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* (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
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* @STATION_INFO_RX_PACKETS: @rx_packets filled
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* @STATION_INFO_TX_PACKETS: @tx_packets filled
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*/
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enum station_info_flags {
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STATION_INFO_INACTIVE_TIME = 1<<0,
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STATION_INFO_RX_BYTES = 1<<1,
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STATION_INFO_TX_BYTES = 1<<2,
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STATION_INFO_LLID = 1<<3,
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STATION_INFO_PLID = 1<<4,
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STATION_INFO_PLINK_STATE = 1<<5,
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STATION_INFO_SIGNAL = 1<<6,
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STATION_INFO_TX_BITRATE = 1<<7,
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STATION_INFO_RX_PACKETS = 1<<8,
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STATION_INFO_TX_PACKETS = 1<<9,
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};
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/**
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* enum station_info_rate_flags - bitrate info flags
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*
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* Used by the driver to indicate the specific rate transmission
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* type for 802.11n transmissions.
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*
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* @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled
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* @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission
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* @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
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*/
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enum rate_info_flags {
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RATE_INFO_FLAGS_MCS = 1<<0,
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RATE_INFO_FLAGS_40_MHZ_WIDTH = 1<<1,
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RATE_INFO_FLAGS_SHORT_GI = 1<<2,
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};
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/**
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* struct rate_info - bitrate information
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*
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* Information about a receiving or transmitting bitrate
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*
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* @flags: bitflag of flags from &enum rate_info_flags
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* @mcs: mcs index if struct describes a 802.11n bitrate
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* @legacy: bitrate in 100kbit/s for 802.11abg
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*/
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struct rate_info {
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u8 flags;
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u8 mcs;
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u16 legacy;
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};
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/**
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* struct station_info - station information
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*
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* Station information filled by driver for get_station() and dump_station.
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*
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* @filled: bitflag of flags from &enum station_info_flags
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* @inactive_time: time since last station activity (tx/rx) in milliseconds
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* @rx_bytes: bytes received from this station
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* @tx_bytes: bytes transmitted to this station
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* @llid: mesh local link id
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* @plid: mesh peer link id
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* @plink_state: mesh peer link state
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* @signal: signal strength of last received packet in dBm
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* @txrate: current unicast bitrate to this station
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* @rx_packets: packets received from this station
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* @tx_packets: packets transmitted to this station
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*/
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struct station_info {
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u32 filled;
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u32 inactive_time;
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u32 rx_bytes;
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u32 tx_bytes;
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u16 llid;
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u16 plid;
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u8 plink_state;
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s8 signal;
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struct rate_info txrate;
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u32 rx_packets;
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u32 tx_packets;
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};
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/**
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* enum monitor_flags - monitor flags
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*
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* Monitor interface configuration flags. Note that these must be the bits
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* according to the nl80211 flags.
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*
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* @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS
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* @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP
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* @MONITOR_FLAG_CONTROL: pass control frames
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* @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering
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* @MONITOR_FLAG_COOK_FRAMES: report frames after processing
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*/
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enum monitor_flags {
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MONITOR_FLAG_FCSFAIL = 1<<NL80211_MNTR_FLAG_FCSFAIL,
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MONITOR_FLAG_PLCPFAIL = 1<<NL80211_MNTR_FLAG_PLCPFAIL,
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MONITOR_FLAG_CONTROL = 1<<NL80211_MNTR_FLAG_CONTROL,
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MONITOR_FLAG_OTHER_BSS = 1<<NL80211_MNTR_FLAG_OTHER_BSS,
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MONITOR_FLAG_COOK_FRAMES = 1<<NL80211_MNTR_FLAG_COOK_FRAMES,
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};
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/**
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* enum mpath_info_flags - mesh path information flags
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*
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* Used by the driver to indicate which info in &struct mpath_info it has filled
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* in during get_station() or dump_station().
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*
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* MPATH_INFO_FRAME_QLEN: @frame_qlen filled
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* MPATH_INFO_DSN: @dsn filled
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* MPATH_INFO_METRIC: @metric filled
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* MPATH_INFO_EXPTIME: @exptime filled
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* MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled
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* MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled
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* MPATH_INFO_FLAGS: @flags filled
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*/
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enum mpath_info_flags {
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MPATH_INFO_FRAME_QLEN = BIT(0),
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MPATH_INFO_DSN = BIT(1),
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MPATH_INFO_METRIC = BIT(2),
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MPATH_INFO_EXPTIME = BIT(3),
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MPATH_INFO_DISCOVERY_TIMEOUT = BIT(4),
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MPATH_INFO_DISCOVERY_RETRIES = BIT(5),
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MPATH_INFO_FLAGS = BIT(6),
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};
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/**
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* struct mpath_info - mesh path information
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*
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* Mesh path information filled by driver for get_mpath() and dump_mpath().
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*
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* @filled: bitfield of flags from &enum mpath_info_flags
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* @frame_qlen: number of queued frames for this destination
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* @dsn: destination sequence number
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* @metric: metric (cost) of this mesh path
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* @exptime: expiration time for the mesh path from now, in msecs
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* @flags: mesh path flags
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* @discovery_timeout: total mesh path discovery timeout, in msecs
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* @discovery_retries: mesh path discovery retries
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*/
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struct mpath_info {
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u32 filled;
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u32 frame_qlen;
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u32 dsn;
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u32 metric;
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u32 exptime;
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u32 discovery_timeout;
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u8 discovery_retries;
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u8 flags;
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};
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/**
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* struct bss_parameters - BSS parameters
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*
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* Used to change BSS parameters (mainly for AP mode).
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*
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* @use_cts_prot: Whether to use CTS protection
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* (0 = no, 1 = yes, -1 = do not change)
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* @use_short_preamble: Whether the use of short preambles is allowed
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* (0 = no, 1 = yes, -1 = do not change)
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* @use_short_slot_time: Whether the use of short slot time is allowed
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* (0 = no, 1 = yes, -1 = do not change)
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* @basic_rates: basic rates in IEEE 802.11 format
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* (or NULL for no change)
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* @basic_rates_len: number of basic rates
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*/
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struct bss_parameters {
|
|
int use_cts_prot;
|
|
int use_short_preamble;
|
|
int use_short_slot_time;
|
|
u8 *basic_rates;
|
|
u8 basic_rates_len;
|
|
};
|
|
|
|
struct mesh_config {
|
|
/* Timeouts in ms */
|
|
/* Mesh plink management parameters */
|
|
u16 dot11MeshRetryTimeout;
|
|
u16 dot11MeshConfirmTimeout;
|
|
u16 dot11MeshHoldingTimeout;
|
|
u16 dot11MeshMaxPeerLinks;
|
|
u8 dot11MeshMaxRetries;
|
|
u8 dot11MeshTTL;
|
|
bool auto_open_plinks;
|
|
/* HWMP parameters */
|
|
u8 dot11MeshHWMPmaxPREQretries;
|
|
u32 path_refresh_time;
|
|
u16 min_discovery_timeout;
|
|
u32 dot11MeshHWMPactivePathTimeout;
|
|
u16 dot11MeshHWMPpreqMinInterval;
|
|
u16 dot11MeshHWMPnetDiameterTraversalTime;
|
|
};
|
|
|
|
/**
|
|
* struct ieee80211_txq_params - TX queue parameters
|
|
* @queue: TX queue identifier (NL80211_TXQ_Q_*)
|
|
* @txop: Maximum burst time in units of 32 usecs, 0 meaning disabled
|
|
* @cwmin: Minimum contention window [a value of the form 2^n-1 in the range
|
|
* 1..32767]
|
|
* @cwmax: Maximum contention window [a value of the form 2^n-1 in the range
|
|
* 1..32767]
|
|
* @aifs: Arbitration interframe space [0..255]
|
|
*/
|
|
struct ieee80211_txq_params {
|
|
enum nl80211_txq_q queue;
|
|
u16 txop;
|
|
u16 cwmin;
|
|
u16 cwmax;
|
|
u8 aifs;
|
|
};
|
|
|
|
/* from net/wireless.h */
|
|
struct wiphy;
|
|
|
|
/* from net/ieee80211.h */
|
|
struct ieee80211_channel;
|
|
|
|
/**
|
|
* struct cfg80211_ssid - SSID description
|
|
* @ssid: the SSID
|
|
* @ssid_len: length of the ssid
|
|
*/
|
|
struct cfg80211_ssid {
|
|
u8 ssid[IEEE80211_MAX_SSID_LEN];
|
|
u8 ssid_len;
|
|
};
|
|
|
|
/**
|
|
* struct cfg80211_scan_request - scan request description
|
|
*
|
|
* @ssids: SSIDs to scan for (active scan only)
|
|
* @n_ssids: number of SSIDs
|
|
* @channels: channels to scan on.
|
|
* @n_channels: number of channels for each band
|
|
* @ie: optional information element(s) to add into Probe Request or %NULL
|
|
* @ie_len: length of ie in octets
|
|
* @wiphy: the wiphy this was for
|
|
* @ifidx: the interface index
|
|
*/
|
|
struct cfg80211_scan_request {
|
|
struct cfg80211_ssid *ssids;
|
|
int n_ssids;
|
|
struct ieee80211_channel **channels;
|
|
u32 n_channels;
|
|
const u8 *ie;
|
|
size_t ie_len;
|
|
|
|
/* internal */
|
|
struct wiphy *wiphy;
|
|
int ifidx;
|
|
};
|
|
|
|
/**
|
|
* enum cfg80211_signal_type - signal type
|
|
*
|
|
* @CFG80211_SIGNAL_TYPE_NONE: no signal strength information available
|
|
* @CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm)
|
|
* @CFG80211_SIGNAL_TYPE_UNSPEC: signal strength, increasing from 0 through 100
|
|
*/
|
|
enum cfg80211_signal_type {
|
|
CFG80211_SIGNAL_TYPE_NONE,
|
|
CFG80211_SIGNAL_TYPE_MBM,
|
|
CFG80211_SIGNAL_TYPE_UNSPEC,
|
|
};
|
|
|
|
/**
|
|
* struct cfg80211_bss - BSS description
|
|
*
|
|
* This structure describes a BSS (which may also be a mesh network)
|
|
* for use in scan results and similar.
|
|
*
|
|
* @bssid: BSSID of the BSS
|
|
* @tsf: timestamp of last received update
|
|
* @beacon_interval: the beacon interval as from the frame
|
|
* @capability: the capability field in host byte order
|
|
* @information_elements: the information elements (Note that there
|
|
* is no guarantee that these are well-formed!)
|
|
* @len_information_elements: total length of the information elements
|
|
* @signal: signal strength value (type depends on the wiphy's signal_type)
|
|
* @hold: BSS should not expire
|
|
* @free_priv: function pointer to free private data
|
|
* @priv: private area for driver use, has at least wiphy->bss_priv_size bytes
|
|
*/
|
|
struct cfg80211_bss {
|
|
struct ieee80211_channel *channel;
|
|
|
|
u8 bssid[ETH_ALEN];
|
|
u64 tsf;
|
|
u16 beacon_interval;
|
|
u16 capability;
|
|
u8 *information_elements;
|
|
size_t len_information_elements;
|
|
|
|
s32 signal;
|
|
|
|
void (*free_priv)(struct cfg80211_bss *bss);
|
|
u8 priv[0] __attribute__((__aligned__(sizeof(void *))));
|
|
};
|
|
|
|
/**
|
|
* struct cfg80211_auth_request - Authentication request data
|
|
*
|
|
* This structure provides information needed to complete IEEE 802.11
|
|
* authentication.
|
|
* NOTE: This structure will likely change when more code from mac80211 is
|
|
* moved into cfg80211 so that non-mac80211 drivers can benefit from it, too.
|
|
* Before using this in a driver that does not use mac80211, it would be better
|
|
* to check the status of that work and better yet, volunteer to work on it.
|
|
*
|
|
* @chan: The channel to use or %NULL if not specified (auto-select based on
|
|
* scan results)
|
|
* @peer_addr: The address of the peer STA (AP BSSID in infrastructure case);
|
|
* this field is required to be present; if the driver wants to help with
|
|
* BSS selection, it should use (yet to be added) MLME event to allow user
|
|
* space SME to be notified of roaming candidate, so that the SME can then
|
|
* use the authentication request with the recommended BSSID and whatever
|
|
* other data may be needed for authentication/association
|
|
* @ssid: SSID or %NULL if not yet available
|
|
* @ssid_len: Length of ssid in octets
|
|
* @auth_type: Authentication type (algorithm)
|
|
* @ie: Extra IEs to add to Authentication frame or %NULL
|
|
* @ie_len: Length of ie buffer in octets
|
|
*/
|
|
struct cfg80211_auth_request {
|
|
struct ieee80211_channel *chan;
|
|
u8 *peer_addr;
|
|
const u8 *ssid;
|
|
size_t ssid_len;
|
|
enum nl80211_auth_type auth_type;
|
|
const u8 *ie;
|
|
size_t ie_len;
|
|
};
|
|
|
|
/**
|
|
* struct cfg80211_assoc_request - (Re)Association request data
|
|
*
|
|
* This structure provides information needed to complete IEEE 802.11
|
|
* (re)association.
|
|
* NOTE: This structure will likely change when more code from mac80211 is
|
|
* moved into cfg80211 so that non-mac80211 drivers can benefit from it, too.
|
|
* Before using this in a driver that does not use mac80211, it would be better
|
|
* to check the status of that work and better yet, volunteer to work on it.
|
|
*
|
|
* @chan: The channel to use or %NULL if not specified (auto-select based on
|
|
* scan results)
|
|
* @peer_addr: The address of the peer STA (AP BSSID); this field is required
|
|
* to be present and the STA must be in State 2 (authenticated) with the
|
|
* peer STA
|
|
* @ssid: SSID
|
|
* @ssid_len: Length of ssid in octets
|
|
* @ie: Extra IEs to add to (Re)Association Request frame or %NULL
|
|
* @ie_len: Length of ie buffer in octets
|
|
*/
|
|
struct cfg80211_assoc_request {
|
|
struct ieee80211_channel *chan;
|
|
u8 *peer_addr;
|
|
const u8 *ssid;
|
|
size_t ssid_len;
|
|
const u8 *ie;
|
|
size_t ie_len;
|
|
};
|
|
|
|
/**
|
|
* struct cfg80211_deauth_request - Deauthentication request data
|
|
*
|
|
* This structure provides information needed to complete IEEE 802.11
|
|
* deauthentication.
|
|
*
|
|
* @peer_addr: The address of the peer STA (AP BSSID); this field is required
|
|
* to be present and the STA must be authenticated with the peer STA
|
|
* @ie: Extra IEs to add to Deauthentication frame or %NULL
|
|
* @ie_len: Length of ie buffer in octets
|
|
*/
|
|
struct cfg80211_deauth_request {
|
|
u8 *peer_addr;
|
|
u16 reason_code;
|
|
const u8 *ie;
|
|
size_t ie_len;
|
|
};
|
|
|
|
/**
|
|
* struct cfg80211_disassoc_request - Disassociation request data
|
|
*
|
|
* This structure provides information needed to complete IEEE 802.11
|
|
* disassocation.
|
|
*
|
|
* @peer_addr: The address of the peer STA (AP BSSID); this field is required
|
|
* to be present and the STA must be associated with the peer STA
|
|
* @ie: Extra IEs to add to Disassociation frame or %NULL
|
|
* @ie_len: Length of ie buffer in octets
|
|
*/
|
|
struct cfg80211_disassoc_request {
|
|
u8 *peer_addr;
|
|
u16 reason_code;
|
|
const u8 *ie;
|
|
size_t ie_len;
|
|
};
|
|
|
|
/**
|
|
* struct cfg80211_ibss_params - IBSS parameters
|
|
*
|
|
* This structure defines the IBSS parameters for the join_ibss()
|
|
* method.
|
|
*
|
|
* @ssid: The SSID, will always be non-null.
|
|
* @ssid_len: The length of the SSID, will always be non-zero.
|
|
* @bssid: Fixed BSSID requested, maybe be %NULL, if set do not
|
|
* search for IBSSs with a different BSSID.
|
|
* @channel: The channel to use if no IBSS can be found to join.
|
|
* @channel_fixed: The channel should be fixed -- do not search for
|
|
* IBSSs to join on other channels.
|
|
* @ie: information element(s) to include in the beacon
|
|
* @ie_len: length of that
|
|
*/
|
|
struct cfg80211_ibss_params {
|
|
u8 *ssid;
|
|
u8 *bssid;
|
|
struct ieee80211_channel *channel;
|
|
u8 *ie;
|
|
u8 ssid_len, ie_len;
|
|
bool channel_fixed;
|
|
};
|
|
|
|
/**
|
|
* struct cfg80211_ops - backend description for wireless configuration
|
|
*
|
|
* This struct is registered by fullmac card drivers and/or wireless stacks
|
|
* in order to handle configuration requests on their interfaces.
|
|
*
|
|
* All callbacks except where otherwise noted should return 0
|
|
* on success or a negative error code.
|
|
*
|
|
* All operations are currently invoked under rtnl for consistency with the
|
|
* wireless extensions but this is subject to reevaluation as soon as this
|
|
* code is used more widely and we have a first user without wext.
|
|
*
|
|
* @suspend: wiphy device needs to be suspended
|
|
* @resume: wiphy device needs to be resumed
|
|
*
|
|
* @add_virtual_intf: create a new virtual interface with the given name,
|
|
* must set the struct wireless_dev's iftype.
|
|
*
|
|
* @del_virtual_intf: remove the virtual interface determined by ifindex.
|
|
*
|
|
* @change_virtual_intf: change type/configuration of virtual interface,
|
|
* keep the struct wireless_dev's iftype updated.
|
|
*
|
|
* @add_key: add a key with the given parameters. @mac_addr will be %NULL
|
|
* when adding a group key.
|
|
*
|
|
* @get_key: get information about the key with the given parameters.
|
|
* @mac_addr will be %NULL when requesting information for a group
|
|
* key. All pointers given to the @callback function need not be valid
|
|
* after it returns.
|
|
*
|
|
* @del_key: remove a key given the @mac_addr (%NULL for a group key)
|
|
* and @key_index
|
|
*
|
|
* @set_default_key: set the default key on an interface
|
|
*
|
|
* @set_default_mgmt_key: set the default management frame key on an interface
|
|
*
|
|
* @add_beacon: Add a beacon with given parameters, @head, @interval
|
|
* and @dtim_period will be valid, @tail is optional.
|
|
* @set_beacon: Change the beacon parameters for an access point mode
|
|
* interface. This should reject the call when no beacon has been
|
|
* configured.
|
|
* @del_beacon: Remove beacon configuration and stop sending the beacon.
|
|
*
|
|
* @add_station: Add a new station.
|
|
*
|
|
* @del_station: Remove a station; @mac may be NULL to remove all stations.
|
|
*
|
|
* @change_station: Modify a given station.
|
|
*
|
|
* @get_mesh_params: Put the current mesh parameters into *params
|
|
*
|
|
* @set_mesh_params: Set mesh parameters.
|
|
* The mask is a bitfield which tells us which parameters to
|
|
* set, and which to leave alone.
|
|
*
|
|
* @set_mesh_cfg: set mesh parameters (by now, just mesh id)
|
|
*
|
|
* @change_bss: Modify parameters for a given BSS.
|
|
*
|
|
* @set_txq_params: Set TX queue parameters
|
|
*
|
|
* @set_channel: Set channel
|
|
*
|
|
* @scan: Request to do a scan. If returning zero, the scan request is given
|
|
* the driver, and will be valid until passed to cfg80211_scan_done().
|
|
* For scan results, call cfg80211_inform_bss(); you can call this outside
|
|
* the scan/scan_done bracket too.
|
|
*
|
|
* @auth: Request to authenticate with the specified peer
|
|
* @assoc: Request to (re)associate with the specified peer
|
|
* @deauth: Request to deauthenticate from the specified peer
|
|
* @disassoc: Request to disassociate from the specified peer
|
|
*
|
|
* @join_ibss: Join the specified IBSS (or create if necessary). Once done, call
|
|
* cfg80211_ibss_joined(), also call that function when changing BSSID due
|
|
* to a merge.
|
|
* @leave_ibss: Leave the IBSS.
|
|
*/
|
|
struct cfg80211_ops {
|
|
int (*suspend)(struct wiphy *wiphy);
|
|
int (*resume)(struct wiphy *wiphy);
|
|
|
|
int (*add_virtual_intf)(struct wiphy *wiphy, char *name,
|
|
enum nl80211_iftype type, u32 *flags,
|
|
struct vif_params *params);
|
|
int (*del_virtual_intf)(struct wiphy *wiphy, int ifindex);
|
|
int (*change_virtual_intf)(struct wiphy *wiphy, int ifindex,
|
|
enum nl80211_iftype type, u32 *flags,
|
|
struct vif_params *params);
|
|
|
|
int (*add_key)(struct wiphy *wiphy, struct net_device *netdev,
|
|
u8 key_index, u8 *mac_addr,
|
|
struct key_params *params);
|
|
int (*get_key)(struct wiphy *wiphy, struct net_device *netdev,
|
|
u8 key_index, u8 *mac_addr, void *cookie,
|
|
void (*callback)(void *cookie, struct key_params*));
|
|
int (*del_key)(struct wiphy *wiphy, struct net_device *netdev,
|
|
u8 key_index, u8 *mac_addr);
|
|
int (*set_default_key)(struct wiphy *wiphy,
|
|
struct net_device *netdev,
|
|
u8 key_index);
|
|
int (*set_default_mgmt_key)(struct wiphy *wiphy,
|
|
struct net_device *netdev,
|
|
u8 key_index);
|
|
|
|
int (*add_beacon)(struct wiphy *wiphy, struct net_device *dev,
|
|
struct beacon_parameters *info);
|
|
int (*set_beacon)(struct wiphy *wiphy, struct net_device *dev,
|
|
struct beacon_parameters *info);
|
|
int (*del_beacon)(struct wiphy *wiphy, struct net_device *dev);
|
|
|
|
|
|
int (*add_station)(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *mac, struct station_parameters *params);
|
|
int (*del_station)(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *mac);
|
|
int (*change_station)(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *mac, struct station_parameters *params);
|
|
int (*get_station)(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *mac, struct station_info *sinfo);
|
|
int (*dump_station)(struct wiphy *wiphy, struct net_device *dev,
|
|
int idx, u8 *mac, struct station_info *sinfo);
|
|
|
|
int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *dst, u8 *next_hop);
|
|
int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *dst);
|
|
int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *dst, u8 *next_hop);
|
|
int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev,
|
|
u8 *dst, u8 *next_hop,
|
|
struct mpath_info *pinfo);
|
|
int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev,
|
|
int idx, u8 *dst, u8 *next_hop,
|
|
struct mpath_info *pinfo);
|
|
int (*get_mesh_params)(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
struct mesh_config *conf);
|
|
int (*set_mesh_params)(struct wiphy *wiphy,
|
|
struct net_device *dev,
|
|
const struct mesh_config *nconf, u32 mask);
|
|
int (*change_bss)(struct wiphy *wiphy, struct net_device *dev,
|
|
struct bss_parameters *params);
|
|
|
|
int (*set_txq_params)(struct wiphy *wiphy,
|
|
struct ieee80211_txq_params *params);
|
|
|
|
int (*set_channel)(struct wiphy *wiphy,
|
|
struct ieee80211_channel *chan,
|
|
enum nl80211_channel_type channel_type);
|
|
|
|
int (*scan)(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_scan_request *request);
|
|
|
|
int (*auth)(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_auth_request *req);
|
|
int (*assoc)(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_assoc_request *req);
|
|
int (*deauth)(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_deauth_request *req);
|
|
int (*disassoc)(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_disassoc_request *req);
|
|
|
|
int (*join_ibss)(struct wiphy *wiphy, struct net_device *dev,
|
|
struct cfg80211_ibss_params *params);
|
|
int (*leave_ibss)(struct wiphy *wiphy, struct net_device *dev);
|
|
};
|
|
|
|
/*
|
|
* wireless hardware and networking interfaces structures
|
|
* and registration/helper functions
|
|
*/
|
|
|
|
/**
|
|
* struct wiphy - wireless hardware description
|
|
* @idx: the wiphy index assigned to this item
|
|
* @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name>
|
|
* @custom_regulatory: tells us the driver for this device
|
|
* has its own custom regulatory domain and cannot identify the
|
|
* ISO / IEC 3166 alpha2 it belongs to. When this is enabled
|
|
* we will disregard the first regulatory hint (when the
|
|
* initiator is %REGDOM_SET_BY_CORE).
|
|
* @strict_regulatory: tells us the driver for this device will ignore
|
|
* regulatory domain settings until it gets its own regulatory domain
|
|
* via its regulatory_hint(). After its gets its own regulatory domain
|
|
* it will only allow further regulatory domain settings to further
|
|
* enhance compliance. For example if channel 13 and 14 are disabled
|
|
* by this regulatory domain no user regulatory domain can enable these
|
|
* channels at a later time. This can be used for devices which do not
|
|
* have calibration information gauranteed for frequencies or settings
|
|
* outside of its regulatory domain.
|
|
* @reg_notifier: the driver's regulatory notification callback
|
|
* @regd: the driver's regulatory domain, if one was requested via
|
|
* the regulatory_hint() API. This can be used by the driver
|
|
* on the reg_notifier() if it chooses to ignore future
|
|
* regulatory domain changes caused by other drivers.
|
|
* @signal_type: signal type reported in &struct cfg80211_bss.
|
|
* @cipher_suites: supported cipher suites
|
|
* @n_cipher_suites: number of supported cipher suites
|
|
*/
|
|
struct wiphy {
|
|
/* assign these fields before you register the wiphy */
|
|
|
|
/* permanent MAC address */
|
|
u8 perm_addr[ETH_ALEN];
|
|
|
|
/* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
|
|
u16 interface_modes;
|
|
|
|
bool custom_regulatory;
|
|
bool strict_regulatory;
|
|
|
|
enum cfg80211_signal_type signal_type;
|
|
|
|
int bss_priv_size;
|
|
u8 max_scan_ssids;
|
|
u16 max_scan_ie_len;
|
|
|
|
int n_cipher_suites;
|
|
const u32 *cipher_suites;
|
|
|
|
/* If multiple wiphys are registered and you're handed e.g.
|
|
* a regular netdev with assigned ieee80211_ptr, you won't
|
|
* know whether it points to a wiphy your driver has registered
|
|
* or not. Assign this to something global to your driver to
|
|
* help determine whether you own this wiphy or not. */
|
|
void *privid;
|
|
|
|
struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS];
|
|
|
|
/* Lets us get back the wiphy on the callback */
|
|
int (*reg_notifier)(struct wiphy *wiphy,
|
|
struct regulatory_request *request);
|
|
|
|
/* fields below are read-only, assigned by cfg80211 */
|
|
|
|
const struct ieee80211_regdomain *regd;
|
|
|
|
/* the item in /sys/class/ieee80211/ points to this,
|
|
* you need use set_wiphy_dev() (see below) */
|
|
struct device dev;
|
|
|
|
/* dir in debugfs: ieee80211/<wiphyname> */
|
|
struct dentry *debugfsdir;
|
|
|
|
char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
|
|
};
|
|
|
|
/**
|
|
* wiphy_priv - return priv from wiphy
|
|
*
|
|
* @wiphy: the wiphy whose priv pointer to return
|
|
*/
|
|
static inline void *wiphy_priv(struct wiphy *wiphy)
|
|
{
|
|
BUG_ON(!wiphy);
|
|
return &wiphy->priv;
|
|
}
|
|
|
|
/**
|
|
* set_wiphy_dev - set device pointer for wiphy
|
|
*
|
|
* @wiphy: The wiphy whose device to bind
|
|
* @dev: The device to parent it to
|
|
*/
|
|
static inline void set_wiphy_dev(struct wiphy *wiphy, struct device *dev)
|
|
{
|
|
wiphy->dev.parent = dev;
|
|
}
|
|
|
|
/**
|
|
* wiphy_dev - get wiphy dev pointer
|
|
*
|
|
* @wiphy: The wiphy whose device struct to look up
|
|
*/
|
|
static inline struct device *wiphy_dev(struct wiphy *wiphy)
|
|
{
|
|
return wiphy->dev.parent;
|
|
}
|
|
|
|
/**
|
|
* wiphy_name - get wiphy name
|
|
*
|
|
* @wiphy: The wiphy whose name to return
|
|
*/
|
|
static inline const char *wiphy_name(struct wiphy *wiphy)
|
|
{
|
|
return dev_name(&wiphy->dev);
|
|
}
|
|
|
|
/**
|
|
* wiphy_new - create a new wiphy for use with cfg80211
|
|
*
|
|
* @ops: The configuration operations for this device
|
|
* @sizeof_priv: The size of the private area to allocate
|
|
*
|
|
* Create a new wiphy and associate the given operations with it.
|
|
* @sizeof_priv bytes are allocated for private use.
|
|
*
|
|
* The returned pointer must be assigned to each netdev's
|
|
* ieee80211_ptr for proper operation.
|
|
*/
|
|
struct wiphy *wiphy_new(struct cfg80211_ops *ops, int sizeof_priv);
|
|
|
|
/**
|
|
* wiphy_register - register a wiphy with cfg80211
|
|
*
|
|
* @wiphy: The wiphy to register.
|
|
*
|
|
* Returns a non-negative wiphy index or a negative error code.
|
|
*/
|
|
extern int wiphy_register(struct wiphy *wiphy);
|
|
|
|
/**
|
|
* wiphy_unregister - deregister a wiphy from cfg80211
|
|
*
|
|
* @wiphy: The wiphy to unregister.
|
|
*
|
|
* After this call, no more requests can be made with this priv
|
|
* pointer, but the call may sleep to wait for an outstanding
|
|
* request that is being handled.
|
|
*/
|
|
extern void wiphy_unregister(struct wiphy *wiphy);
|
|
|
|
/**
|
|
* wiphy_free - free wiphy
|
|
*
|
|
* @wiphy: The wiphy to free
|
|
*/
|
|
extern void wiphy_free(struct wiphy *wiphy);
|
|
|
|
/**
|
|
* struct wireless_dev - wireless per-netdev state
|
|
*
|
|
* This structure must be allocated by the driver/stack
|
|
* that uses the ieee80211_ptr field in struct net_device
|
|
* (this is intentional so it can be allocated along with
|
|
* the netdev.)
|
|
*
|
|
* @wiphy: pointer to hardware description
|
|
* @iftype: interface type
|
|
* @list: (private) Used to collect the interfaces
|
|
* @netdev: (private) Used to reference back to the netdev
|
|
* @current_bss: (private) Used by the internal configuration code
|
|
* @bssid: (private) Used by the internal configuration code
|
|
* @ssid: (private) Used by the internal configuration code
|
|
* @ssid_len: (private) Used by the internal configuration code
|
|
* @wext: (private) Used by the internal wireless extensions compat code
|
|
* @wext_bssid: (private) Used by the internal wireless extensions compat code
|
|
*/
|
|
struct wireless_dev {
|
|
struct wiphy *wiphy;
|
|
enum nl80211_iftype iftype;
|
|
|
|
/* private to the generic wireless code */
|
|
struct list_head list;
|
|
struct net_device *netdev;
|
|
|
|
/* currently used for IBSS - might be rearranged in the future */
|
|
struct cfg80211_bss *current_bss;
|
|
u8 bssid[ETH_ALEN];
|
|
u8 ssid[IEEE80211_MAX_SSID_LEN];
|
|
u8 ssid_len;
|
|
|
|
#ifdef CONFIG_WIRELESS_EXT
|
|
/* wext data */
|
|
struct cfg80211_ibss_params wext;
|
|
u8 wext_bssid[ETH_ALEN];
|
|
#endif
|
|
};
|
|
|
|
/**
|
|
* wdev_priv - return wiphy priv from wireless_dev
|
|
*
|
|
* @wdev: The wireless device whose wiphy's priv pointer to return
|
|
*/
|
|
static inline void *wdev_priv(struct wireless_dev *wdev)
|
|
{
|
|
BUG_ON(!wdev);
|
|
return wiphy_priv(wdev->wiphy);
|
|
}
|
|
|
|
/*
|
|
* Utility functions
|
|
*/
|
|
|
|
/**
|
|
* ieee80211_channel_to_frequency - convert channel number to frequency
|
|
*/
|
|
extern int ieee80211_channel_to_frequency(int chan);
|
|
|
|
/**
|
|
* ieee80211_frequency_to_channel - convert frequency to channel number
|
|
*/
|
|
extern int ieee80211_frequency_to_channel(int freq);
|
|
|
|
/*
|
|
* Name indirection necessary because the ieee80211 code also has
|
|
* a function named "ieee80211_get_channel", so if you include
|
|
* cfg80211's header file you get cfg80211's version, if you try
|
|
* to include both header files you'll (rightfully!) get a symbol
|
|
* clash.
|
|
*/
|
|
extern struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy,
|
|
int freq);
|
|
/**
|
|
* ieee80211_get_channel - get channel struct from wiphy for specified frequency
|
|
*/
|
|
static inline struct ieee80211_channel *
|
|
ieee80211_get_channel(struct wiphy *wiphy, int freq)
|
|
{
|
|
return __ieee80211_get_channel(wiphy, freq);
|
|
}
|
|
|
|
/**
|
|
* ieee80211_get_response_rate - get basic rate for a given rate
|
|
*
|
|
* @sband: the band to look for rates in
|
|
* @basic_rates: bitmap of basic rates
|
|
* @bitrate: the bitrate for which to find the basic rate
|
|
*
|
|
* This function returns the basic rate corresponding to a given
|
|
* bitrate, that is the next lower bitrate contained in the basic
|
|
* rate map, which is, for this function, given as a bitmap of
|
|
* indices of rates in the band's bitrate table.
|
|
*/
|
|
struct ieee80211_rate *
|
|
ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
|
|
u32 basic_rates, int bitrate);
|
|
|
|
/*
|
|
* Radiotap parsing functions -- for controlled injection support
|
|
*
|
|
* Implemented in net/wireless/radiotap.c
|
|
* Documentation in Documentation/networking/radiotap-headers.txt
|
|
*/
|
|
|
|
/**
|
|
* struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
|
|
* @rtheader: pointer to the radiotap header we are walking through
|
|
* @max_length: length of radiotap header in cpu byte ordering
|
|
* @this_arg_index: IEEE80211_RADIOTAP_... index of current arg
|
|
* @this_arg: pointer to current radiotap arg
|
|
* @arg_index: internal next argument index
|
|
* @arg: internal next argument pointer
|
|
* @next_bitmap: internal pointer to next present u32
|
|
* @bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
|
|
*/
|
|
|
|
struct ieee80211_radiotap_iterator {
|
|
struct ieee80211_radiotap_header *rtheader;
|
|
int max_length;
|
|
int this_arg_index;
|
|
u8 *this_arg;
|
|
|
|
int arg_index;
|
|
u8 *arg;
|
|
__le32 *next_bitmap;
|
|
u32 bitmap_shifter;
|
|
};
|
|
|
|
extern int ieee80211_radiotap_iterator_init(
|
|
struct ieee80211_radiotap_iterator *iterator,
|
|
struct ieee80211_radiotap_header *radiotap_header,
|
|
int max_length);
|
|
|
|
extern int ieee80211_radiotap_iterator_next(
|
|
struct ieee80211_radiotap_iterator *iterator);
|
|
|
|
/*
|
|
* Regulatory helper functions for wiphys
|
|
*/
|
|
|
|
/**
|
|
* regulatory_hint - driver hint to the wireless core a regulatory domain
|
|
* @wiphy: the wireless device giving the hint (used only for reporting
|
|
* conflicts)
|
|
* @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain
|
|
* should be in. If @rd is set this should be NULL. Note that if you
|
|
* set this to NULL you should still set rd->alpha2 to some accepted
|
|
* alpha2.
|
|
*
|
|
* Wireless drivers can use this function to hint to the wireless core
|
|
* what it believes should be the current regulatory domain by
|
|
* giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory
|
|
* domain should be in or by providing a completely build regulatory domain.
|
|
* If the driver provides an ISO/IEC 3166 alpha2 userspace will be queried
|
|
* for a regulatory domain structure for the respective country.
|
|
*
|
|
* The wiphy must have been registered to cfg80211 prior to this call.
|
|
* For cfg80211 drivers this means you must first use wiphy_register(),
|
|
* for mac80211 drivers you must first use ieee80211_register_hw().
|
|
*
|
|
* Drivers should check the return value, its possible you can get
|
|
* an -ENOMEM.
|
|
*/
|
|
extern int regulatory_hint(struct wiphy *wiphy, const char *alpha2);
|
|
|
|
/**
|
|
* regulatory_hint_11d - hints a country IE as a regulatory domain
|
|
* @wiphy: the wireless device giving the hint (used only for reporting
|
|
* conflicts)
|
|
* @country_ie: pointer to the country IE
|
|
* @country_ie_len: length of the country IE
|
|
*
|
|
* We will intersect the rd with the what CRDA tells us should apply
|
|
* for the alpha2 this country IE belongs to, this prevents APs from
|
|
* sending us incorrect or outdated information against a country.
|
|
*/
|
|
extern void regulatory_hint_11d(struct wiphy *wiphy,
|
|
u8 *country_ie,
|
|
u8 country_ie_len);
|
|
/**
|
|
* wiphy_apply_custom_regulatory - apply a custom driver regulatory domain
|
|
* @wiphy: the wireless device we want to process the regulatory domain on
|
|
* @regd: the custom regulatory domain to use for this wiphy
|
|
*
|
|
* Drivers can sometimes have custom regulatory domains which do not apply
|
|
* to a specific country. Drivers can use this to apply such custom regulatory
|
|
* domains. This routine must be called prior to wiphy registration. The
|
|
* custom regulatory domain will be trusted completely and as such previous
|
|
* default channel settings will be disregarded. If no rule is found for a
|
|
* channel on the regulatory domain the channel will be disabled.
|
|
*/
|
|
extern void wiphy_apply_custom_regulatory(
|
|
struct wiphy *wiphy,
|
|
const struct ieee80211_regdomain *regd);
|
|
|
|
/**
|
|
* freq_reg_info - get regulatory information for the given frequency
|
|
* @wiphy: the wiphy for which we want to process this rule for
|
|
* @center_freq: Frequency in KHz for which we want regulatory information for
|
|
* @bandwidth: the bandwidth requirement you have in KHz, if you do not have one
|
|
* you can set this to 0. If this frequency is allowed we then set
|
|
* this value to the maximum allowed bandwidth.
|
|
* @reg_rule: the regulatory rule which we have for this frequency
|
|
*
|
|
* Use this function to get the regulatory rule for a specific frequency on
|
|
* a given wireless device. If the device has a specific regulatory domain
|
|
* it wants to follow we respect that unless a country IE has been received
|
|
* and processed already.
|
|
*
|
|
* Returns 0 if it was able to find a valid regulatory rule which does
|
|
* apply to the given center_freq otherwise it returns non-zero. It will
|
|
* also return -ERANGE if we determine the given center_freq does not even have
|
|
* a regulatory rule for a frequency range in the center_freq's band. See
|
|
* freq_in_rule_band() for our current definition of a band -- this is purely
|
|
* subjective and right now its 802.11 specific.
|
|
*/
|
|
extern int freq_reg_info(struct wiphy *wiphy, u32 center_freq, u32 *bandwidth,
|
|
const struct ieee80211_reg_rule **reg_rule);
|
|
|
|
/*
|
|
* Temporary wext handlers & helper functions
|
|
*
|
|
* In the future cfg80211 will simply assign the entire wext handler
|
|
* structure to netdevs it manages, but we're not there yet.
|
|
*/
|
|
int cfg80211_wext_giwname(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
char *name, char *extra);
|
|
int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
|
|
u32 *mode, char *extra);
|
|
int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
|
|
u32 *mode, char *extra);
|
|
int cfg80211_wext_siwscan(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra);
|
|
int cfg80211_wext_giwscan(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *extra);
|
|
int cfg80211_wext_siwmlme(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *extra);
|
|
int cfg80211_wext_giwrange(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *extra);
|
|
int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_freq *freq, char *extra);
|
|
int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_freq *freq, char *extra);
|
|
int cfg80211_ibss_wext_siwessid(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *ssid);
|
|
int cfg80211_ibss_wext_giwessid(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *ssid);
|
|
int cfg80211_ibss_wext_siwap(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct sockaddr *ap_addr, char *extra);
|
|
int cfg80211_ibss_wext_giwap(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct sockaddr *ap_addr, char *extra);
|
|
|
|
struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy,
|
|
struct iw_freq *freq);
|
|
|
|
/*
|
|
* callbacks for asynchronous cfg80211 methods, notification
|
|
* functions and BSS handling helpers
|
|
*/
|
|
|
|
/**
|
|
* cfg80211_scan_done - notify that scan finished
|
|
*
|
|
* @request: the corresponding scan request
|
|
* @aborted: set to true if the scan was aborted for any reason,
|
|
* userspace will be notified of that
|
|
*/
|
|
void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted);
|
|
|
|
/**
|
|
* cfg80211_inform_bss - inform cfg80211 of a new BSS
|
|
*
|
|
* @wiphy: the wiphy reporting the BSS
|
|
* @bss: the found BSS
|
|
* @signal: the signal strength, type depends on the wiphy's signal_type
|
|
* @gfp: context flags
|
|
*
|
|
* This informs cfg80211 that BSS information was found and
|
|
* the BSS should be updated/added.
|
|
*/
|
|
struct cfg80211_bss*
|
|
cfg80211_inform_bss_frame(struct wiphy *wiphy,
|
|
struct ieee80211_channel *channel,
|
|
struct ieee80211_mgmt *mgmt, size_t len,
|
|
s32 signal, gfp_t gfp);
|
|
|
|
struct cfg80211_bss*
|
|
cfg80211_inform_bss(struct wiphy *wiphy,
|
|
struct ieee80211_channel *channel,
|
|
const u8 *bssid,
|
|
u64 timestamp, u16 capability, u16 beacon_interval,
|
|
const u8 *ie, size_t ielen,
|
|
s32 signal, gfp_t gfp);
|
|
|
|
struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
|
|
struct ieee80211_channel *channel,
|
|
const u8 *bssid,
|
|
const u8 *ssid, size_t ssid_len,
|
|
u16 capa_mask, u16 capa_val);
|
|
static inline struct cfg80211_bss *
|
|
cfg80211_get_ibss(struct wiphy *wiphy,
|
|
struct ieee80211_channel *channel,
|
|
const u8 *ssid, size_t ssid_len)
|
|
{
|
|
return cfg80211_get_bss(wiphy, channel, NULL, ssid, ssid_len,
|
|
WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS);
|
|
}
|
|
|
|
struct cfg80211_bss *cfg80211_get_mesh(struct wiphy *wiphy,
|
|
struct ieee80211_channel *channel,
|
|
const u8 *meshid, size_t meshidlen,
|
|
const u8 *meshcfg);
|
|
void cfg80211_put_bss(struct cfg80211_bss *bss);
|
|
|
|
/**
|
|
* cfg80211_unlink_bss - unlink BSS from internal data structures
|
|
* @wiphy: the wiphy
|
|
* @bss: the bss to remove
|
|
*
|
|
* This function removes the given BSS from the internal data structures
|
|
* thereby making it no longer show up in scan results etc. Use this
|
|
* function when you detect a BSS is gone. Normally BSSes will also time
|
|
* out, so it is not necessary to use this function at all.
|
|
*/
|
|
void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
|
|
|
|
/**
|
|
* cfg80211_send_rx_auth - notification of processed authentication
|
|
* @dev: network device
|
|
* @buf: authentication frame (header + body)
|
|
* @len: length of the frame data
|
|
*
|
|
* This function is called whenever an authentication has been processed in
|
|
* station mode.
|
|
*/
|
|
void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
|
|
|
|
/**
|
|
* cfg80211_send_rx_assoc - notification of processed association
|
|
* @dev: network device
|
|
* @buf: (re)association response frame (header + body)
|
|
* @len: length of the frame data
|
|
*
|
|
* This function is called whenever a (re)association response has been
|
|
* processed in station mode.
|
|
*/
|
|
void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len);
|
|
|
|
/**
|
|
* cfg80211_send_deauth - notification of processed deauthentication
|
|
* @dev: network device
|
|
* @buf: deauthentication frame (header + body)
|
|
* @len: length of the frame data
|
|
*
|
|
* This function is called whenever deauthentication has been processed in
|
|
* station mode. This includes both received deauthentication frames and
|
|
* locally generated ones.
|
|
*/
|
|
void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len);
|
|
|
|
/**
|
|
* cfg80211_send_disassoc - notification of processed disassociation
|
|
* @dev: network device
|
|
* @buf: disassociation response frame (header + body)
|
|
* @len: length of the frame data
|
|
*
|
|
* This function is called whenever disassociation has been processed in
|
|
* station mode. This includes both received disassociation frames and locally
|
|
* generated ones.
|
|
*/
|
|
void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len);
|
|
|
|
/**
|
|
* cfg80211_hold_bss - exclude bss from expiration
|
|
* @bss: bss which should not expire
|
|
*
|
|
* In a case when the BSS is not updated but it shouldn't expire this
|
|
* function can be used to mark the BSS to be excluded from expiration.
|
|
*/
|
|
void cfg80211_hold_bss(struct cfg80211_bss *bss);
|
|
|
|
/**
|
|
* cfg80211_unhold_bss - remove expiration exception from the BSS
|
|
* @bss: bss which can expire again
|
|
*
|
|
* This function marks the BSS to be expirable again.
|
|
*/
|
|
void cfg80211_unhold_bss(struct cfg80211_bss *bss);
|
|
|
|
/**
|
|
* cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP)
|
|
* @dev: network device
|
|
* @addr: The source MAC address of the frame
|
|
* @key_type: The key type that the received frame used
|
|
* @key_id: Key identifier (0..3)
|
|
* @tsc: The TSC value of the frame that generated the MIC failure (6 octets)
|
|
*
|
|
* This function is called whenever the local MAC detects a MIC failure in a
|
|
* received frame. This matches with MLME-MICHAELMICFAILURE.indication()
|
|
* primitive.
|
|
*/
|
|
void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
|
|
enum nl80211_key_type key_type, int key_id,
|
|
const u8 *tsc);
|
|
|
|
/**
|
|
* cfg80211_ibss_joined - notify cfg80211 that device joined an IBSS
|
|
*
|
|
* @dev: network device
|
|
* @bssid: the BSSID of the IBSS joined
|
|
* @gfp: allocation flags
|
|
*
|
|
* This function notifies cfg80211 that the device joined an IBSS or
|
|
* switched to a different BSSID. Before this function can be called,
|
|
* either a beacon has to have been received from the IBSS, or one of
|
|
* the cfg80211_inform_bss{,_frame} functions must have been called
|
|
* with the locally generated beacon -- this guarantees that there is
|
|
* always a scan result for this IBSS. cfg80211 will handle the rest.
|
|
*/
|
|
void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp);
|
|
|
|
#endif /* __NET_CFG80211_H */
|