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linux/include/net/cfg80211.h
Kalle Valo a08c1c1ac0 cfg80211: add feature to hold bss 
In beacon filtering there needs to be a way to not expire the BSS even
when no beacons are received. Add an interface to cfg80211 to hold
BSS and make sure that it's not expired.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-03-27 20:13:13 -04:00

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#ifndef __NET_CFG80211_H
#define __NET_CFG80211_H
#include <linux/netlink.h>
#include <linux/skbuff.h>
#include <linux/nl80211.h>
#include <linux/if_ether.h>
#include <linux/ieee80211.h>
#include <linux/wireless.h>
#include <net/iw_handler.h>
#include <net/genetlink.h>
/* remove once we remove the wext stuff */
#include <net/iw_handler.h>
/*
* 802.11 configuration in-kernel interface
*
* Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
*/
/**
* struct vif_params - describes virtual interface parameters
* @mesh_id: mesh ID to use
* @mesh_id_len: length of the mesh ID
*/
struct vif_params {
u8 *mesh_id;
int mesh_id_len;
};
/* Radiotap header iteration
* implemented in net/wireless/radiotap.c
* docs 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);
/**
* 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;
};
/**
* 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 station_flags - station flags
*
* Station capability flags. Note that these must be the bits
* according to the nl80211 flags.
*
* @STATION_FLAG_CHANGED: station flags were changed
* @STATION_FLAG_AUTHORIZED: station is authorized to send frames (802.1X)
* @STATION_FLAG_SHORT_PREAMBLE: station is capable of receiving frames
* with short preambles
* @STATION_FLAG_WME: station is WME/QoS capable
* @STATION_FLAG_MFP: station uses management frame protection
*/
enum station_flags {
STATION_FLAG_CHANGED = 1<<0,
STATION_FLAG_AUTHORIZED = 1<<NL80211_STA_FLAG_AUTHORIZED,
STATION_FLAG_SHORT_PREAMBLE = 1<<NL80211_STA_FLAG_SHORT_PREAMBLE,
STATION_FLAG_WME = 1<<NL80211_STA_FLAG_WME,
STATION_FLAG_MFP = 1<<NL80211_STA_FLAG_MFP,
};
/**
* 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
* @station_flags: station flags (see &enum station_flags)
* @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 station_flags;
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
*/
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;
};
/**
* 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<<NL80211_MNTR_FLAG_FCSFAIL,
MONITOR_FLAG_PLCPFAIL = 1<<NL80211_MNTR_FLAG_PLCPFAIL,
MONITOR_FLAG_CONTROL = 1<<NL80211_MNTR_FLAG_CONTROL,
MONITOR_FLAG_OTHER_BSS = 1<<NL80211_MNTR_FLAG_OTHER_BSS,
MONITOR_FLAG_COOK_FRAMES = 1<<NL80211_MNTR_FLAG_COOK_FRAMES,
};
/**
* enum mpath_info_flags - mesh path information flags
*
* Used by the driver to indicate which info in &struct mpath_info it has filled
* in during get_station() or dump_station().
*
* MPATH_INFO_FRAME_QLEN: @frame_qlen filled
* MPATH_INFO_DSN: @dsn filled
* MPATH_INFO_METRIC: @metric filled
* MPATH_INFO_EXPTIME: @exptime filled
* MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled
* MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled
* MPATH_INFO_FLAGS: @flags filled
*/
enum mpath_info_flags {
MPATH_INFO_FRAME_QLEN = BIT(0),
MPATH_INFO_DSN = BIT(1),
MPATH_INFO_METRIC = BIT(2),
MPATH_INFO_EXPTIME = BIT(3),
MPATH_INFO_DISCOVERY_TIMEOUT = BIT(4),
MPATH_INFO_DISCOVERY_RETRIES = BIT(5),
MPATH_INFO_FLAGS = BIT(6),
};
/**
* struct mpath_info - mesh path information
*
* Mesh path information filled by driver for get_mpath() and dump_mpath().
*
* @filled: bitfield of flags from &enum mpath_info_flags
* @frame_qlen: number of queued frames for this destination
* @dsn: destination sequence number
* @metric: metric (cost) of this mesh path
* @exptime: expiration time for the mesh path from now, in msecs
* @flags: mesh path flags
* @discovery_timeout: total mesh path discovery timeout, in msecs
* @discovery_retries: mesh path discovery retries
*/
struct mpath_info {
u32 filled;
u32 frame_qlen;
u32 dsn;
u32 metric;
u32 exptime;
u32 discovery_timeout;
u8 discovery_retries;
u8 flags;
};
/**
* struct bss_parameters - BSS parameters
*
* Used to change BSS parameters (mainly for AP mode).
*
* @use_cts_prot: Whether to use CTS protection
* (0 = no, 1 = yes, -1 = do not change)
* @use_short_preamble: Whether the use of short preambles is allowed
* (0 = no, 1 = yes, -1 = do not change)
* @use_short_slot_time: Whether the use of short slot time is allowed
* (0 = no, 1 = yes, -1 = do not change)
* @basic_rates: basic rates in IEEE 802.11 format
* (or NULL for no change)
* @basic_rates_len: number of basic rates
*/
struct bss_parameters {
int use_cts_prot;
int use_short_preamble;
int use_short_slot_time;
u8 *basic_rates;
u8 basic_rates_len;
};
/**
* enum environment_cap - Environment parsed from country IE
* @ENVIRON_ANY: indicates country IE applies to both indoor and
* outdoor operation.
* @ENVIRON_INDOOR: indicates country IE applies only to indoor operation
* @ENVIRON_OUTDOOR: indicates country IE applies only to outdoor operation
*/
enum environment_cap {
ENVIRON_ANY,
ENVIRON_INDOOR,
ENVIRON_OUTDOOR,
};
/**
* struct regulatory_request - used to keep track of regulatory requests
*
* @wiphy_idx: this is set if this request's initiator is
* %REGDOM_SET_BY_COUNTRY_IE or %REGDOM_SET_BY_DRIVER. This
* can be used by the wireless core to deal with conflicts
* and potentially inform users of which devices specifically
* cased the conflicts.
* @initiator: indicates who sent this request, could be any of
* of those set in nl80211_reg_initiator (%NL80211_REGDOM_SET_BY_*)
* @alpha2: the ISO / IEC 3166 alpha2 country code of the requested
* regulatory domain. We have a few special codes:
* 00 - World regulatory domain
* 99 - built by driver but a specific alpha2 cannot be determined
* 98 - result of an intersection between two regulatory domains
* @intersect: indicates whether the wireless core should intersect
* the requested regulatory domain with the presently set regulatory
* domain.
* @country_ie_checksum: checksum of the last processed and accepted
* country IE
* @country_ie_env: lets us know if the AP is telling us we are outdoor,
* indoor, or if it doesn't matter
* @list: used to insert into the reg_requests_list linked list
*/
struct regulatory_request {
int wiphy_idx;
enum nl80211_reg_initiator initiator;
char alpha2[2];
bool intersect;
u32 country_ie_checksum;
enum environment_cap country_ie_env;
struct list_head list;
};
struct ieee80211_freq_range {
u32 start_freq_khz;
u32 end_freq_khz;
u32 max_bandwidth_khz;
};
struct ieee80211_power_rule {
u32 max_antenna_gain;
u32 max_eirp;
};
struct ieee80211_reg_rule {
struct ieee80211_freq_range freq_range;
struct ieee80211_power_rule power_rule;
u32 flags;
};
struct ieee80211_regdomain {
u32 n_reg_rules;
char alpha2[2];
struct ieee80211_reg_rule reg_rules[];
};
#define MHZ_TO_KHZ(freq) ((freq) * 1000)
#define KHZ_TO_MHZ(freq) ((freq) / 1000)
#define DBI_TO_MBI(gain) ((gain) * 100)
#define MBI_TO_DBI(gain) ((gain) / 100)
#define DBM_TO_MBM(gain) ((gain) * 100)
#define MBM_TO_DBM(gain) ((gain) / 100)
#define REG_RULE(start, end, bw, gain, eirp, reg_flags) { \
.freq_range.start_freq_khz = MHZ_TO_KHZ(start), \
.freq_range.end_freq_khz = MHZ_TO_KHZ(end), \
.freq_range.max_bandwidth_khz = MHZ_TO_KHZ(bw), \
.power_rule.max_antenna_gain = DBI_TO_MBI(gain), \
.power_rule.max_eirp = DBM_TO_MBM(eirp), \
.flags = reg_flags, \
}
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;
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_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
*/
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);
};
/* temporary wext handlers */
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_giwrange(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *data, char *extra);
/**
* 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_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_rx_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.
*/
void cfg80211_send_rx_deauth(struct net_device *dev, const u8 *buf,
size_t len);
/**
* cfg80211_send_rx_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.
*/
void cfg80211_send_rx_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);
#endif /* __NET_CFG80211_H */
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