#ifndef __NET_CFG80211_H #define __NET_CFG80211_H /* * 802.11 device and configuration interface * * Copyright 2006-2009 Johannes Berg * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include #include #include #include /* remove once we remove the wext stuff */ #include #include /* * wireless hardware capability structures */ /** * enum ieee80211_band - supported frequency bands * * The bands are assigned this way because the supported * bitrates differ in these bands. * * @IEEE80211_BAND_2GHZ: 2.4GHz ISM band * @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7) */ enum ieee80211_band { IEEE80211_BAND_2GHZ, IEEE80211_BAND_5GHZ, /* keep last */ IEEE80211_NUM_BANDS }; /** * enum ieee80211_channel_flags - channel flags * * Channel flags set by the regulatory control code. * * @IEEE80211_CHAN_DISABLED: This channel is disabled. * @IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted * on this channel. * @IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel. * @IEEE80211_CHAN_RADAR: Radar detection is required on this channel. * @IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel * is not permitted. * @IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel * is not permitted. */ enum ieee80211_channel_flags { IEEE80211_CHAN_DISABLED = 1<<0, IEEE80211_CHAN_PASSIVE_SCAN = 1<<1, IEEE80211_CHAN_NO_IBSS = 1<<2, IEEE80211_CHAN_RADAR = 1<<3, IEEE80211_CHAN_NO_HT40PLUS = 1<<4, IEEE80211_CHAN_NO_HT40MINUS = 1<<5, }; #define IEEE80211_CHAN_NO_HT40 \ (IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) /** * struct ieee80211_channel - channel definition * * This structure describes a single channel for use * with cfg80211. * * @center_freq: center frequency in MHz * @hw_value: hardware-specific value for the channel * @flags: channel flags from &enum ieee80211_channel_flags. * @orig_flags: channel flags at registration time, used by regulatory * code to support devices with additional restrictions * @band: band this channel belongs to. * @max_antenna_gain: maximum antenna gain in dBi * @max_power: maximum transmission power (in dBm) * @beacon_found: helper to regulatory code to indicate when a beacon * has been found on this channel. Use regulatory_hint_found_beacon() * to enable this, this is is useful only on 5 GHz band. * @orig_mag: internal use * @orig_mpwr: internal use */ struct ieee80211_channel { enum ieee80211_band band; u16 center_freq; u16 hw_value; u32 flags; int max_antenna_gain; int max_power; bool beacon_found; u32 orig_flags; int orig_mag, orig_mpwr; }; /** * enum ieee80211_rate_flags - rate flags * * Hardware/specification flags for rates. These are structured * in a way that allows using the same bitrate structure for * different bands/PHY modes. * * @IEEE80211_RATE_SHORT_PREAMBLE: Hardware can send with short * preamble on this bitrate; only relevant in 2.4GHz band and * with CCK rates. * @IEEE80211_RATE_MANDATORY_A: This bitrate is a mandatory rate * when used with 802.11a (on the 5 GHz band); filled by the * core code when registering the wiphy. * @IEEE80211_RATE_MANDATORY_B: This bitrate is a mandatory rate * when used with 802.11b (on the 2.4 GHz band); filled by the * core code when registering the wiphy. * @IEEE80211_RATE_MANDATORY_G: This bitrate is a mandatory rate * when used with 802.11g (on the 2.4 GHz band); filled by the * core code when registering the wiphy. * @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode. */ enum ieee80211_rate_flags { IEEE80211_RATE_SHORT_PREAMBLE = 1<<0, IEEE80211_RATE_MANDATORY_A = 1<<1, IEEE80211_RATE_MANDATORY_B = 1<<2, IEEE80211_RATE_MANDATORY_G = 1<<3, IEEE80211_RATE_ERP_G = 1<<4, }; /** * struct ieee80211_rate - bitrate definition * * This structure describes a bitrate that an 802.11 PHY can * operate with. The two values @hw_value and @hw_value_short * are only for driver use when pointers to this structure are * passed around. * * @flags: rate-specific flags * @bitrate: bitrate in units of 100 Kbps * @hw_value: driver/hardware value for this rate * @hw_value_short: driver/hardware value for this rate when * short preamble is used */ struct ieee80211_rate { u32 flags; u16 bitrate; u16 hw_value, hw_value_short; }; /** * struct ieee80211_sta_ht_cap - STA's HT capabilities * * This structure describes most essential parameters needed * to describe 802.11n HT capabilities for an STA. * * @ht_supported: is HT supported by the STA * @cap: HT capabilities map as described in 802.11n spec * @ampdu_factor: Maximum A-MPDU length factor * @ampdu_density: Minimum A-MPDU spacing * @mcs: Supported MCS rates */ struct ieee80211_sta_ht_cap { u16 cap; /* use IEEE80211_HT_CAP_ */ bool ht_supported; u8 ampdu_factor; u8 ampdu_density; struct ieee80211_mcs_info mcs; }; /** * struct ieee80211_supported_band - frequency band definition * * This structure describes a frequency band a wiphy * is able to operate in. * * @channels: Array of channels the hardware can operate in * in this band. * @band: the band this structure represents * @n_channels: Number of channels in @channels * @bitrates: Array of bitrates the hardware can operate with * in this band. Must be sorted to give a valid "supported * rates" IE, i.e. CCK rates first, then OFDM. * @n_bitrates: Number of bitrates in @bitrates */ struct ieee80211_supported_band { struct ieee80211_channel *channels; struct ieee80211_rate *bitrates; enum ieee80211_band band; int n_channels; int n_bitrates; struct ieee80211_sta_ht_cap ht_cap; }; /* * Wireless hardware/device configuration structures and methods */ /** * struct vif_params - describes virtual interface parameters * @mesh_id: mesh ID to use * @mesh_id_len: length of the mesh ID * @use_4addr: use 4-address frames */ struct vif_params { u8 *mesh_id; int mesh_id_len; int use_4addr; }; /** * struct key_params - key information * * Information about a key * * @key: key material * @key_len: length of key material * @cipher: cipher suite selector * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used * with the get_key() callback, must be in little endian, * length given by @seq_len. */ struct key_params { u8 *key; u8 *seq; int key_len; int seq_len; u32 cipher; }; /** * enum survey_info_flags - survey information flags * * Used by the driver to indicate which info in &struct survey_info * it has filled in during the get_survey(). */ enum survey_info_flags { SURVEY_INFO_NOISE_DBM = 1<<0, }; /** * struct survey_info - channel survey response * * Used by dump_survey() to report back per-channel survey information. * * @channel: the channel this survey record reports, mandatory * @filled: bitflag of flags from &enum survey_info_flags * @noise: channel noise in dBm. This and all following fields are * optional * * This structure can later be expanded with things like * channel duty cycle etc. */ struct survey_info { struct ieee80211_channel *channel; u32 filled; s8 noise; }; /** * struct beacon_parameters - beacon parameters * * Used to configure the beacon for an interface. * * @head: head portion of beacon (before TIM IE) * or %NULL if not changed * @tail: tail portion of beacon (after TIM IE) * or %NULL if not changed * @interval: beacon interval or zero if not changed * @dtim_period: DTIM period or zero if not changed * @head_len: length of @head * @tail_len: length of @tail */ struct beacon_parameters { u8 *head, *tail; int interval, dtim_period; int head_len, tail_len; }; /** * enum plink_action - actions to perform in mesh peers * * @PLINK_ACTION_INVALID: action 0 is reserved * @PLINK_ACTION_OPEN: start mesh peer link establishment * @PLINK_ACTION_BLOCL: block traffic from this mesh peer */ enum plink_actions { PLINK_ACTION_INVALID, PLINK_ACTION_OPEN, PLINK_ACTION_BLOCK, }; /** * struct station_parameters - station parameters * * Used to change and create a new station. * * @vlan: vlan interface station should belong to * @supported_rates: supported rates in IEEE 802.11 format * (or NULL for no change) * @supported_rates_len: number of supported rates * @sta_flags_mask: station flags that changed * (bitmask of BIT(NL80211_STA_FLAG_...)) * @sta_flags_set: station flags values * (bitmask of BIT(NL80211_STA_FLAG_...)) * @listen_interval: listen interval or -1 for no change * @aid: AID or zero for no change */ struct station_parameters { u8 *supported_rates; struct net_device *vlan; u32 sta_flags_mask, sta_flags_set; int listen_interval; u16 aid; u8 supported_rates_len; u8 plink_action; struct ieee80211_ht_cap *ht_capa; }; /** * enum station_info_flags - station information flags * * Used by the driver to indicate which info in &struct station_info * it has filled in during get_station() or dump_station(). * * @STATION_INFO_INACTIVE_TIME: @inactive_time filled * @STATION_INFO_RX_BYTES: @rx_bytes filled * @STATION_INFO_TX_BYTES: @tx_bytes filled * @STATION_INFO_LLID: @llid filled * @STATION_INFO_PLID: @plid filled * @STATION_INFO_PLINK_STATE: @plink_state filled * @STATION_INFO_SIGNAL: @signal filled * @STATION_INFO_TX_BITRATE: @tx_bitrate fields are filled * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs) * @STATION_INFO_RX_PACKETS: @rx_packets filled * @STATION_INFO_TX_PACKETS: @tx_packets filled */ enum station_info_flags { STATION_INFO_INACTIVE_TIME = 1<<0, STATION_INFO_RX_BYTES = 1<<1, STATION_INFO_TX_BYTES = 1<<2, STATION_INFO_LLID = 1<<3, STATION_INFO_PLID = 1<<4, STATION_INFO_PLINK_STATE = 1<<5, STATION_INFO_SIGNAL = 1<<6, STATION_INFO_TX_BITRATE = 1<<7, STATION_INFO_RX_PACKETS = 1<<8, STATION_INFO_TX_PACKETS = 1<<9, }; /** * enum station_info_rate_flags - bitrate info flags * * Used by the driver to indicate the specific rate transmission * type for 802.11n transmissions. * * @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval */ enum rate_info_flags { RATE_INFO_FLAGS_MCS = 1<<0, RATE_INFO_FLAGS_40_MHZ_WIDTH = 1<<1, RATE_INFO_FLAGS_SHORT_GI = 1<<2, }; /** * struct rate_info - bitrate information * * Information about a receiving or transmitting bitrate * * @flags: bitflag of flags from &enum rate_info_flags * @mcs: mcs index if struct describes a 802.11n bitrate * @legacy: bitrate in 100kbit/s for 802.11abg */ struct rate_info { u8 flags; u8 mcs; u16 legacy; }; /** * struct station_info - station information * * Station information filled by driver for get_station() and dump_station. * * @filled: bitflag of flags from &enum station_info_flags * @inactive_time: time since last station activity (tx/rx) in milliseconds * @rx_bytes: bytes received from this station * @tx_bytes: bytes transmitted to this station * @llid: mesh local link id * @plid: mesh peer link id * @plink_state: mesh peer link state * @signal: signal strength of last received packet in dBm * @txrate: current unicast bitrate to this station * @rx_packets: packets received from this station * @tx_packets: packets transmitted to this station * @generation: generation number for nl80211 dumps. * This number should increase every time the list of stations * changes, i.e. when a station is added or removed, so that * userspace can tell whether it got a consistent snapshot. */ struct station_info { u32 filled; u32 inactive_time; u32 rx_bytes; u32 tx_bytes; u16 llid; u16 plid; u8 plink_state; s8 signal; struct rate_info txrate; u32 rx_packets; u32 tx_packets; int generation; }; /** * enum monitor_flags - monitor flags * * Monitor interface configuration flags. Note that these must be the bits * according to the nl80211 flags. * * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP * @MONITOR_FLAG_CONTROL: pass control frames * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering * @MONITOR_FLAG_COOK_FRAMES: report frames after processing */ enum monitor_flags { MONITOR_FLAG_FCSFAIL = 1<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 *)))); }; /** * ieee80211_bss_get_ie - find IE with given ID * @bss: the bss to search * @ie: the IE ID * Returns %NULL if not found. */ const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie); /** * struct cfg80211_crypto_settings - Crypto settings * @wpa_versions: indicates which, if any, WPA versions are enabled * (from enum nl80211_wpa_versions) * @cipher_group: group key cipher suite (or 0 if unset) * @n_ciphers_pairwise: number of AP supported unicast ciphers * @ciphers_pairwise: unicast key cipher suites * @n_akm_suites: number of AKM suites * @akm_suites: AKM suites * @control_port: Whether user space controls IEEE 802.1X port, i.e., * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is * required to assume that the port is unauthorized until authorized by * user space. Otherwise, port is marked authorized by default. */ struct cfg80211_crypto_settings { u32 wpa_versions; u32 cipher_group; int n_ciphers_pairwise; u32 ciphers_pairwise[NL80211_MAX_NR_CIPHER_SUITES]; int n_akm_suites; u32 akm_suites[NL80211_MAX_NR_AKM_SUITES]; bool control_port; }; /** * struct cfg80211_auth_request - Authentication request data * * This structure provides information needed to complete IEEE 802.11 * authentication. * * @bss: The BSS to authenticate with. * @auth_type: Authentication type (algorithm) * @ie: Extra IEs to add to Authentication frame or %NULL * @ie_len: Length of ie buffer in octets * @key_len: length of WEP key for shared key authentication * @key_idx: index of WEP key for shared key authentication * @key: WEP key for shared key authentication */ struct cfg80211_auth_request { struct cfg80211_bss *bss; const u8 *ie; size_t ie_len; enum nl80211_auth_type auth_type; const u8 *key; u8 key_len, key_idx; }; /** * struct cfg80211_assoc_request - (Re)Association request data * * This structure provides information needed to complete IEEE 802.11 * (re)association. * @bss: The BSS to associate with. * @ie: Extra IEs to add to (Re)Association Request frame or %NULL * @ie_len: Length of ie buffer in octets * @use_mfp: Use management frame protection (IEEE 802.11w) in this association * @crypto: crypto settings * @prev_bssid: previous BSSID, if not %NULL use reassociate frame */ struct cfg80211_assoc_request { struct cfg80211_bss *bss; const u8 *ie, *prev_bssid; size_t ie_len; struct cfg80211_crypto_settings crypto; bool use_mfp; }; /** * struct cfg80211_deauth_request - Deauthentication request data * * This structure provides information needed to complete IEEE 802.11 * deauthentication. * * @bss: the BSS to deauthenticate from * @ie: Extra IEs to add to Deauthentication frame or %NULL * @ie_len: Length of ie buffer in octets * @reason_code: The reason code for the deauthentication */ struct cfg80211_deauth_request { struct cfg80211_bss *bss; const u8 *ie; size_t ie_len; u16 reason_code; }; /** * struct cfg80211_disassoc_request - Disassociation request data * * This structure provides information needed to complete IEEE 802.11 * disassocation. * * @bss: the BSS to disassociate from * @ie: Extra IEs to add to Disassociation frame or %NULL * @ie_len: Length of ie buffer in octets * @reason_code: The reason code for the disassociation */ struct cfg80211_disassoc_request { struct cfg80211_bss *bss; const u8 *ie; size_t ie_len; u16 reason_code; }; /** * 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 * @beacon_interval: beacon interval to use * @privacy: this is a protected network, keys will be configured * after joining */ struct cfg80211_ibss_params { u8 *ssid; u8 *bssid; struct ieee80211_channel *channel; u8 *ie; u8 ssid_len, ie_len; u16 beacon_interval; bool channel_fixed; bool privacy; }; /** * struct cfg80211_connect_params - Connection parameters * * This structure provides information needed to complete IEEE 802.11 * authentication and association. * * @channel: The channel to use or %NULL if not specified (auto-select based * on scan results) * @bssid: The AP BSSID or %NULL if not specified (auto-select based on scan * results) * @ssid: SSID * @ssid_len: Length of ssid in octets * @auth_type: Authentication type (algorithm) * @assoc_ie: IEs for association request * @assoc_ie_len: Length of assoc_ie in octets * @privacy: indicates whether privacy-enabled APs should be used * @crypto: crypto settings * @key_len: length of WEP key for shared key authentication * @key_idx: index of WEP key for shared key authentication * @key: WEP key for shared key authentication */ struct cfg80211_connect_params { struct ieee80211_channel *channel; u8 *bssid; u8 *ssid; size_t ssid_len; enum nl80211_auth_type auth_type; u8 *ie; size_t ie_len; bool privacy; struct cfg80211_crypto_settings crypto; const u8 *key; u8 key_len, key_idx; }; /** * enum wiphy_params_flags - set_wiphy_params bitfield values * WIPHY_PARAM_RETRY_SHORT: wiphy->retry_short has changed * WIPHY_PARAM_RETRY_LONG: wiphy->retry_long has changed * WIPHY_PARAM_FRAG_THRESHOLD: wiphy->frag_threshold has changed * WIPHY_PARAM_RTS_THRESHOLD: wiphy->rts_threshold has changed */ enum wiphy_params_flags { WIPHY_PARAM_RETRY_SHORT = 1 << 0, WIPHY_PARAM_RETRY_LONG = 1 << 1, WIPHY_PARAM_FRAG_THRESHOLD = 1 << 2, WIPHY_PARAM_RTS_THRESHOLD = 1 << 3, }; /** * enum tx_power_setting - TX power adjustment * * @TX_POWER_AUTOMATIC: the dbm parameter is ignored * @TX_POWER_LIMITED: limit TX power by the dbm parameter * @TX_POWER_FIXED: fix TX power to the dbm parameter */ enum tx_power_setting { TX_POWER_AUTOMATIC, TX_POWER_LIMITED, TX_POWER_FIXED, }; /* * cfg80211_bitrate_mask - masks for bitrate control */ struct cfg80211_bitrate_mask { /* * As discussed in Berlin, this struct really * should look like this: struct { u32 legacy; u8 mcs[IEEE80211_HT_MCS_MASK_LEN]; } control[IEEE80211_NUM_BANDS]; * Since we can always fix in-kernel users, let's keep * it simpler for now: */ u32 fixed; /* fixed bitrate, 0 == not fixed */ u32 maxrate; /* in kbps, 0 == no limit */ }; /** * struct cfg80211_pmksa - PMK Security Association * * This structure is passed to the set/del_pmksa() method for PMKSA * caching. * * @bssid: The AP's BSSID. * @pmkid: The PMK material itself. */ struct cfg80211_pmksa { u8 *bssid; u8 *pmkid; }; /** * 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. Beware: You must create * the new netdev in the wiphy's network namespace! * * @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. This function should return an error if it is * not possible to retrieve the key, -ENOENT if it doesn't exist. * * @del_key: remove a key given the @mac_addr (%NULL for a group key) * and @key_index, return -ENOENT if the key doesn't exist. * * @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 * * @connect: Connect to the ESS with the specified parameters. When connected, * call cfg80211_connect_result() with status code %WLAN_STATUS_SUCCESS. * If the connection fails for some reason, call cfg80211_connect_result() * with the status from the AP. * @disconnect: Disconnect from the BSS/ESS. * * @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. * * @set_wiphy_params: Notify that wiphy parameters have changed; * @changed bitfield (see &enum wiphy_params_flags) describes which values * have changed. The actual parameter values are available in * struct wiphy. If returning an error, no value should be changed. * * @set_tx_power: set the transmit power according to the parameters * @get_tx_power: store the current TX power into the dbm variable; * return 0 if successful * * @rfkill_poll: polls the hw rfkill line, use cfg80211 reporting * functions to adjust rfkill hw state * * @dump_survey: get site survey information. * * @testmode_cmd: run a test mode command * * @set_pmksa: Cache a PMKID for a BSSID. This is mostly useful for fullmac * devices running firmwares capable of generating the (re) association * RSN IE. It allows for faster roaming between WPA2 BSSIDs. * @del_pmksa: Delete a cached PMKID. * @flush_pmksa: Flush all cached PMKIDs. * */ 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, struct net_device *dev); int (*change_virtual_intf)(struct wiphy *wiphy, struct net_device *dev, enum nl80211_iftype type, u32 *flags, struct vif_params *params); int (*add_key)(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, const u8 *mac_addr, struct key_params *params); int (*get_key)(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, const 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, const 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, void *cookie); int (*disassoc)(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_disassoc_request *req, void *cookie); int (*connect)(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_connect_params *sme); int (*disconnect)(struct wiphy *wiphy, struct net_device *dev, u16 reason_code); 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); int (*set_wiphy_params)(struct wiphy *wiphy, u32 changed); int (*set_tx_power)(struct wiphy *wiphy, enum tx_power_setting type, int dbm); int (*get_tx_power)(struct wiphy *wiphy, int *dbm); int (*set_wds_peer)(struct wiphy *wiphy, struct net_device *dev, u8 *addr); void (*rfkill_poll)(struct wiphy *wiphy); #ifdef CONFIG_NL80211_TESTMODE int (*testmode_cmd)(struct wiphy *wiphy, void *data, int len); #endif int (*set_bitrate_mask)(struct wiphy *wiphy, struct net_device *dev, const u8 *peer, const struct cfg80211_bitrate_mask *mask); int (*dump_survey)(struct wiphy *wiphy, struct net_device *netdev, int idx, struct survey_info *info); int (*set_pmksa)(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_pmksa *pmksa); int (*del_pmksa)(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_pmksa *pmksa); int (*flush_pmksa)(struct wiphy *wiphy, struct net_device *netdev); /* some temporary stuff to finish wext */ int (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev, bool enabled, int timeout); }; /* * wireless hardware and networking interfaces structures * and registration/helper functions */ /** * enum wiphy_flags - wiphy capability flags * * @WIPHY_FLAG_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). * @WIPHY_FLAG_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. * @WIPHY_FLAG_DISABLE_BEACON_HINTS: enable this if your driver needs to ensure * that passive scan flags and beaconing flags may not be lifted by * cfg80211 due to regulatory beacon hints. For more information on beacon * hints read the documenation for regulatory_hint_found_beacon() * @WIPHY_FLAG_NETNS_OK: if not set, do not allow changing the netns of this * wiphy at all * @WIPHY_FLAG_PS_ON_BY_DEFAULT: if set to true, powersave will be enabled * by default -- this flag will be set depending on the kernel's default * on wiphy_new(), but can be changed by the driver if it has a good * reason to override the default * @WIPHY_FLAG_4ADDR_AP: supports 4addr mode even on AP (with a single station * on a VLAN interface) * @WIPHY_FLAG_4ADDR_STATION: supports 4addr mode even as a station */ enum wiphy_flags { WIPHY_FLAG_CUSTOM_REGULATORY = BIT(0), WIPHY_FLAG_STRICT_REGULATORY = BIT(1), WIPHY_FLAG_DISABLE_BEACON_HINTS = BIT(2), WIPHY_FLAG_NETNS_OK = BIT(3), WIPHY_FLAG_PS_ON_BY_DEFAULT = BIT(4), WIPHY_FLAG_4ADDR_AP = BIT(5), WIPHY_FLAG_4ADDR_STATION = BIT(6), }; /** * struct wiphy - wireless hardware description * @idx: the wiphy index assigned to this item * @class_dev: the class device representing /sys/class/ieee80211/ * @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 * @retry_short: Retry limit for short frames (dot11ShortRetryLimit) * @retry_long: Retry limit for long frames (dot11LongRetryLimit) * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold); * -1 = fragmentation disabled, only odd values >= 256 used * @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled * @net: the network namespace this wiphy currently lives in */ 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; u32 flags; 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; u8 retry_short; u8 retry_long; u32 frag_threshold; u32 rts_threshold; char fw_version[ETHTOOL_BUSINFO_LEN]; u32 hw_version; u8 max_num_pmkids; /* 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. */ const 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/ */ struct dentry *debugfsdir; #ifdef CONFIG_NET_NS /* the network namespace this phy lives in currently */ struct net *_net; #endif #ifdef CONFIG_CFG80211_WEXT const struct iw_handler_def *wext; #endif char priv[0] __attribute__((__aligned__(NETDEV_ALIGN))); }; #ifdef CONFIG_NET_NS static inline struct net *wiphy_net(struct wiphy *wiphy) { return wiphy->_net; } static inline void wiphy_net_set(struct wiphy *wiphy, struct net *net) { wiphy->_net = net; } #else static inline struct net *wiphy_net(struct wiphy *wiphy) { return &init_net; } static inline void wiphy_net_set(struct wiphy *wiphy, struct net *net) { } #endif /** * 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; } /** * priv_to_wiphy - return the wiphy containing the priv * * @priv: a pointer previously returned by wiphy_priv */ static inline struct wiphy *priv_to_wiphy(void *priv) { BUG_ON(!priv); return container_of(priv, struct 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(const 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); /* internal structs */ struct cfg80211_conn; struct cfg80211_internal_bss; struct cfg80211_cached_keys; #define MAX_AUTH_BSSES 4 /** * 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 * @use_4addr: indicates 4addr mode is used on this interface, must be * set by driver (if supported) on add_interface BEFORE registering the * netdev and may otherwise be used by driver read-only, will be update * by cfg80211 on change_interface */ struct wireless_dev { struct wiphy *wiphy; enum nl80211_iftype iftype; /* the remainder of this struct should be private to cfg80211 */ struct list_head list; struct net_device *netdev; struct mutex mtx; struct work_struct cleanup_work; bool use_4addr; /* currently used for IBSS and SME - might be rearranged later */ u8 ssid[IEEE80211_MAX_SSID_LEN]; u8 ssid_len; enum { CFG80211_SME_IDLE, CFG80211_SME_CONNECTING, CFG80211_SME_CONNECTED, } sme_state; struct cfg80211_conn *conn; struct cfg80211_cached_keys *connect_keys; struct list_head event_list; spinlock_t event_lock; struct cfg80211_internal_bss *authtry_bsses[MAX_AUTH_BSSES]; struct cfg80211_internal_bss *auth_bsses[MAX_AUTH_BSSES]; struct cfg80211_internal_bss *current_bss; /* associated / joined */ #ifdef CONFIG_CFG80211_WEXT /* wext data */ struct { struct cfg80211_ibss_params ibss; struct cfg80211_connect_params connect; struct cfg80211_cached_keys *keys; u8 *ie; size_t ie_len; u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; u8 ssid[IEEE80211_MAX_SSID_LEN]; s8 default_key, default_mgmt_key; bool ps, prev_bssid_valid; int ps_timeout; } wext; #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); extern const unsigned char rfc1042_header[6]; extern const unsigned char bridge_tunnel_header[6]; /** * ieee80211_get_hdrlen_from_skb - get header length from data * * Given an skb with a raw 802.11 header at the data pointer this function * returns the 802.11 header length in bytes (not including encryption * headers). If the data in the sk_buff is too short to contain a valid 802.11 * header the function returns 0. * * @skb: the frame */ unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb); /** * ieee80211_hdrlen - get header length in bytes from frame control * @fc: frame control field in little-endian format */ unsigned int ieee80211_hdrlen(__le16 fc); /** * ieee80211_data_to_8023 - convert an 802.11 data frame to 802.3 * @skb: the 802.11 data frame * @addr: the device MAC address * @iftype: the virtual interface type */ int ieee80211_data_to_8023(struct sk_buff *skb, u8 *addr, enum nl80211_iftype iftype); /** * ieee80211_data_from_8023 - convert an 802.3 frame to 802.11 * @skb: the 802.3 frame * @addr: the device MAC address * @iftype: the virtual interface type * @bssid: the network bssid (used only for iftype STATION and ADHOC) * @qos: build 802.11 QoS data frame */ int ieee80211_data_from_8023(struct sk_buff *skb, u8 *addr, enum nl80211_iftype iftype, u8 *bssid, bool qos); /** * cfg80211_classify8021d - determine the 802.1p/1d tag for a data frame * @skb: the data frame */ unsigned int cfg80211_classify8021d(struct sk_buff *skb); /* * 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); /** * 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 * @desired_bw_khz: the desired max bandwidth you want to use per * channel. Note that this is still 20 MHz if you want to use HT40 * as HT40 makes use of two channels for its 40 MHz width bandwidth. * If set to 0 we'll assume you want the standard 20 MHz. * @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 desired_bw_khz, 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_wext_siwgenie(struct net_device *dev, struct iw_request_info *info, struct iw_point *data, char *extra); int cfg80211_wext_siwauth(struct net_device *dev, struct iw_request_info *info, struct iw_param *data, char *extra); int cfg80211_wext_giwauth(struct net_device *dev, struct iw_request_info *info, struct iw_param *data, char *extra); int cfg80211_wext_siwfreq(struct net_device *dev, struct iw_request_info *info, struct iw_freq *freq, char *extra); int cfg80211_wext_giwfreq(struct net_device *dev, struct iw_request_info *info, struct iw_freq *freq, char *extra); int cfg80211_wext_siwessid(struct net_device *dev, struct iw_request_info *info, struct iw_point *data, char *ssid); int cfg80211_wext_giwessid(struct net_device *dev, struct iw_request_info *info, struct iw_point *data, char *ssid); int cfg80211_wext_siwrate(struct net_device *dev, struct iw_request_info *info, struct iw_param *rate, char *extra); int cfg80211_wext_giwrate(struct net_device *dev, struct iw_request_info *info, struct iw_param *rate, char *extra); int cfg80211_wext_siwrts(struct net_device *dev, struct iw_request_info *info, struct iw_param *rts, char *extra); int cfg80211_wext_giwrts(struct net_device *dev, struct iw_request_info *info, struct iw_param *rts, char *extra); int cfg80211_wext_siwfrag(struct net_device *dev, struct iw_request_info *info, struct iw_param *frag, char *extra); int cfg80211_wext_giwfrag(struct net_device *dev, struct iw_request_info *info, struct iw_param *frag, char *extra); int cfg80211_wext_siwretry(struct net_device *dev, struct iw_request_info *info, struct iw_param *retry, char *extra); int cfg80211_wext_giwretry(struct net_device *dev, struct iw_request_info *info, struct iw_param *retry, char *extra); int cfg80211_wext_siwencodeext(struct net_device *dev, struct iw_request_info *info, struct iw_point *erq, char *extra); int cfg80211_wext_siwencode(struct net_device *dev, struct iw_request_info *info, struct iw_point *erq, char *keybuf); int cfg80211_wext_giwencode(struct net_device *dev, struct iw_request_info *info, struct iw_point *erq, char *keybuf); int cfg80211_wext_siwtxpower(struct net_device *dev, struct iw_request_info *info, union iwreq_data *data, char *keybuf); int cfg80211_wext_giwtxpower(struct net_device *dev, struct iw_request_info *info, union iwreq_data *data, char *keybuf); struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev); int cfg80211_wext_siwpower(struct net_device *dev, struct iw_request_info *info, struct iw_param *wrq, char *extra); int cfg80211_wext_giwpower(struct net_device *dev, struct iw_request_info *info, struct iw_param *wrq, char *extra); int cfg80211_wext_siwap(struct net_device *dev, struct iw_request_info *info, struct sockaddr *ap_addr, char *extra); int cfg80211_wext_giwap(struct net_device *dev, struct iw_request_info *info, struct sockaddr *ap_addr, char *extra); /* * 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. The driver is required to call either this function or * cfg80211_send_auth_timeout() to indicate the result of cfg80211_ops::auth() * call. This function may sleep. */ void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len); /** * cfg80211_send_auth_timeout - notification of timed out authentication * @dev: network device * @addr: The MAC address of the device with which the authentication timed out * * This function may sleep. */ void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr); /** * __cfg80211_auth_canceled - notify cfg80211 that authentication was canceled * @dev: network device * @addr: The MAC address of the device with which the authentication timed out * * When a pending authentication had no action yet, the driver may decide * to not send a deauth frame, but in that case must calls this function * to tell cfg80211 about this decision. It is only valid to call this * function within the deauth() callback. */ void __cfg80211_auth_canceled(struct net_device *dev, const u8 *addr); /** * 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. The driver is required to call either this * function or cfg80211_send_assoc_timeout() to indicate the result of * cfg80211_ops::assoc() call. This function may sleep. */ void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len); /** * cfg80211_send_assoc_timeout - notification of timed out association * @dev: network device * @addr: The MAC address of the device with which the association timed out * * This function may sleep. */ void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr); /** * 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. This function may sleep. */ void cfg80211_send_deauth(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 * * Like cfg80211_send_deauth(), but doesn't take the wdev lock. */ 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. This function may sleep. */ void cfg80211_send_disassoc(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 * * Like cfg80211_send_disassoc(), but doesn't take the wdev lock. */ void __cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len); /** * 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) * @gfp: allocation flags * * 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, gfp_t gfp); /** * 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); /** * wiphy_rfkill_set_hw_state - notify cfg80211 about hw block state * @wiphy: the wiphy * @blocked: block status */ void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked); /** * wiphy_rfkill_start_polling - start polling rfkill * @wiphy: the wiphy */ void wiphy_rfkill_start_polling(struct wiphy *wiphy); /** * wiphy_rfkill_stop_polling - stop polling rfkill * @wiphy: the wiphy */ void wiphy_rfkill_stop_polling(struct wiphy *wiphy); #ifdef CONFIG_NL80211_TESTMODE /** * cfg80211_testmode_alloc_reply_skb - allocate testmode reply * @wiphy: the wiphy * @approxlen: an upper bound of the length of the data that will * be put into the skb * * This function allocates and pre-fills an skb for a reply to * the testmode command. Since it is intended for a reply, calling * it outside of the @testmode_cmd operation is invalid. * * The returned skb (or %NULL if any errors happen) is pre-filled * with the wiphy index and set up in a way that any data that is * put into the skb (with skb_put(), nla_put() or similar) will end * up being within the %NL80211_ATTR_TESTDATA attribute, so all that * needs to be done with the skb is adding data for the corresponding * userspace tool which can then read that data out of the testdata * attribute. You must not modify the skb in any other way. * * When done, call cfg80211_testmode_reply() with the skb and return * its error code as the result of the @testmode_cmd operation. */ struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, int approxlen); /** * cfg80211_testmode_reply - send the reply skb * @skb: The skb, must have been allocated with * cfg80211_testmode_alloc_reply_skb() * * Returns an error code or 0 on success, since calling this * function will usually be the last thing before returning * from the @testmode_cmd you should return the error code. * Note that this function consumes the skb regardless of the * return value. */ int cfg80211_testmode_reply(struct sk_buff *skb); /** * cfg80211_testmode_alloc_event_skb - allocate testmode event * @wiphy: the wiphy * @approxlen: an upper bound of the length of the data that will * be put into the skb * @gfp: allocation flags * * This function allocates and pre-fills an skb for an event on the * testmode multicast group. * * The returned skb (or %NULL if any errors happen) is set up in the * same way as with cfg80211_testmode_alloc_reply_skb() but prepared * for an event. As there, you should simply add data to it that will * then end up in the %NL80211_ATTR_TESTDATA attribute. Again, you must * not modify the skb in any other way. * * When done filling the skb, call cfg80211_testmode_event() with the * skb to send the event. */ struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, int approxlen, gfp_t gfp); /** * cfg80211_testmode_event - send the event * @skb: The skb, must have been allocated with * cfg80211_testmode_alloc_event_skb() * @gfp: allocation flags * * This function sends the given @skb, which must have been allocated * by cfg80211_testmode_alloc_event_skb(), as an event. It always * consumes it. */ void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp); #define CFG80211_TESTMODE_CMD(cmd) .testmode_cmd = (cmd), #else #define CFG80211_TESTMODE_CMD(cmd) #endif /** * cfg80211_connect_result - notify cfg80211 of connection result * * @dev: network device * @bssid: the BSSID of the AP * @req_ie: association request IEs (maybe be %NULL) * @req_ie_len: association request IEs length * @resp_ie: association response IEs (may be %NULL) * @resp_ie_len: assoc response IEs length * @status: status code, 0 for successful connection, use * %WLAN_STATUS_UNSPECIFIED_FAILURE if your device cannot give you * the real status code for failures. * @gfp: allocation flags * * It should be called by the underlying driver whenever connect() has * succeeded. */ void cfg80211_connect_result(struct net_device *dev, const u8 *bssid, const u8 *req_ie, size_t req_ie_len, const u8 *resp_ie, size_t resp_ie_len, u16 status, gfp_t gfp); /** * cfg80211_roamed - notify cfg80211 of roaming * * @dev: network device * @bssid: the BSSID of the new AP * @req_ie: association request IEs (maybe be %NULL) * @req_ie_len: association request IEs length * @resp_ie: association response IEs (may be %NULL) * @resp_ie_len: assoc response IEs length * @gfp: allocation flags * * It should be called by the underlying driver whenever it roamed * from one AP to another while connected. */ void cfg80211_roamed(struct net_device *dev, const u8 *bssid, const u8 *req_ie, size_t req_ie_len, const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp); /** * cfg80211_disconnected - notify cfg80211 that connection was dropped * * @dev: network device * @ie: information elements of the deauth/disassoc frame (may be %NULL) * @ie_len: length of IEs * @reason: reason code for the disconnection, set it to 0 if unknown * @gfp: allocation flags * * After it calls this function, the driver should enter an idle state * and not try to connect to any AP any more. */ void cfg80211_disconnected(struct net_device *dev, u16 reason, u8 *ie, size_t ie_len, gfp_t gfp); #endif /* __NET_CFG80211_H */