376 lines
12 KiB
C
376 lines
12 KiB
C
#ifndef __NET_CFG80211_H
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#define __NET_CFG80211_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 <net/genetlink.h>
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/*
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* 802.11 configuration in-kernel interface
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*
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* Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
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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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/* Radiotap header iteration
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* implemented in net/wireless/radiotap.c
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* docs in Documentation/networking/radiotap-headers.txt
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*/
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/**
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* struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
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* @rtheader: pointer to the radiotap header we are walking through
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* @max_length: length of radiotap header in cpu byte ordering
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* @this_arg_index: IEEE80211_RADIOTAP_... index of current arg
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* @this_arg: pointer to current radiotap arg
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* @arg_index: internal next argument index
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* @arg: internal next argument pointer
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* @next_bitmap: internal pointer to next present u32
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* @bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
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*/
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struct ieee80211_radiotap_iterator {
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struct ieee80211_radiotap_header *rtheader;
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int max_length;
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int this_arg_index;
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u8 *this_arg;
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int arg_index;
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u8 *arg;
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__le32 *next_bitmap;
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u32 bitmap_shifter;
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};
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extern int ieee80211_radiotap_iterator_init(
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struct ieee80211_radiotap_iterator *iterator,
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struct ieee80211_radiotap_header *radiotap_header,
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int max_length);
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extern int ieee80211_radiotap_iterator_next(
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struct ieee80211_radiotap_iterator *iterator);
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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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*/
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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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};
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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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};
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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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*/
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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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};
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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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*/
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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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};
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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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/* from net/wireless.h */
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struct wiphy;
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/**
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* struct cfg80211_ops - backend description for wireless configuration
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*
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* This struct is registered by fullmac card drivers and/or wireless stacks
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* in order to handle configuration requests on their interfaces.
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*
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* All callbacks except where otherwise noted should return 0
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* on success or a negative error code.
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*
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* All operations are currently invoked under rtnl for consistency with the
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* wireless extensions but this is subject to reevaluation as soon as this
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* code is used more widely and we have a first user without wext.
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*
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* @add_virtual_intf: create a new virtual interface with the given name
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*
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* @del_virtual_intf: remove the virtual interface determined by ifindex.
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*
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* @change_virtual_intf: change type of virtual interface
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*
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* @add_key: add a key with the given parameters. @mac_addr will be %NULL
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* when adding a group key.
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*
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* @get_key: get information about the key with the given parameters.
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* @mac_addr will be %NULL when requesting information for a group
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* key. All pointers given to the @callback function need not be valid
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* after it returns.
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*
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* @del_key: remove a key given the @mac_addr (%NULL for a group key)
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* and @key_index
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*
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* @set_default_key: set the default key on an interface
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*
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* @add_beacon: Add a beacon with given parameters, @head, @interval
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* and @dtim_period will be valid, @tail is optional.
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* @set_beacon: Change the beacon parameters for an access point mode
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* interface. This should reject the call when no beacon has been
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* configured.
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* @del_beacon: Remove beacon configuration and stop sending the beacon.
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*
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* @add_station: Add a new station.
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*
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* @del_station: Remove a station; @mac may be NULL to remove all stations.
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*
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* @change_station: Modify a given station.
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*
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* @set_mesh_cfg: set mesh parameters (by now, just mesh id)
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*/
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struct cfg80211_ops {
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int (*add_virtual_intf)(struct wiphy *wiphy, char *name,
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enum nl80211_iftype type, u32 *flags,
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struct vif_params *params);
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int (*del_virtual_intf)(struct wiphy *wiphy, int ifindex);
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int (*change_virtual_intf)(struct wiphy *wiphy, int ifindex,
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enum nl80211_iftype type, u32 *flags,
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struct vif_params *params);
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int (*add_key)(struct wiphy *wiphy, struct net_device *netdev,
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u8 key_index, u8 *mac_addr,
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struct key_params *params);
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int (*get_key)(struct wiphy *wiphy, struct net_device *netdev,
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u8 key_index, u8 *mac_addr, void *cookie,
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void (*callback)(void *cookie, struct key_params*));
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int (*del_key)(struct wiphy *wiphy, struct net_device *netdev,
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u8 key_index, u8 *mac_addr);
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int (*set_default_key)(struct wiphy *wiphy,
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struct net_device *netdev,
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u8 key_index);
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int (*add_beacon)(struct wiphy *wiphy, struct net_device *dev,
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struct beacon_parameters *info);
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int (*set_beacon)(struct wiphy *wiphy, struct net_device *dev,
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struct beacon_parameters *info);
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int (*del_beacon)(struct wiphy *wiphy, struct net_device *dev);
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int (*add_station)(struct wiphy *wiphy, struct net_device *dev,
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u8 *mac, struct station_parameters *params);
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int (*del_station)(struct wiphy *wiphy, struct net_device *dev,
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u8 *mac);
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int (*change_station)(struct wiphy *wiphy, struct net_device *dev,
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u8 *mac, struct station_parameters *params);
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int (*get_station)(struct wiphy *wiphy, struct net_device *dev,
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u8 *mac, struct station_info *sinfo);
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int (*dump_station)(struct wiphy *wiphy, struct net_device *dev,
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int idx, u8 *mac, struct station_info *sinfo);
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int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev,
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u8 *dst, u8 *next_hop);
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int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev,
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u8 *dst);
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int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev,
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u8 *dst, u8 *next_hop);
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int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev,
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u8 *dst, u8 *next_hop,
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struct mpath_info *pinfo);
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int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev,
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int idx, u8 *dst, u8 *next_hop,
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struct mpath_info *pinfo);
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};
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#endif /* __NET_CFG80211_H */
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