#ifndef __NET_CFG80211_H #define __NET_CFG80211_H #include <linux/netlink.h> #include <linux/skbuff.h> #include <linux/nl80211.h> #include <net/genetlink.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 */ 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, }; /** * 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 */ 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, }; /** * 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 */ struct station_info { u32 filled; u32 inactive_time; u32 rx_bytes; u32 tx_bytes; u16 llid; u16 plid; u8 plink_state; }; /** * 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) */ struct bss_parameters { int use_cts_prot; int use_short_preamble; int use_short_slot_time; }; /** * enum reg_set_by - Indicates who is trying to set the regulatory domain * @REGDOM_SET_BY_INIT: regulatory domain was set by initialization. We will be * using a static world regulatory domain by default. * @REGDOM_SET_BY_CORE: Core queried CRDA for a dynamic world regulatory domain. * @REGDOM_SET_BY_USER: User asked the wireless core to set the * regulatory domain. * @REGDOM_SET_BY_DRIVER: a wireless drivers has hinted to the wireless core * it thinks its knows the regulatory domain we should be in. * @REGDOM_SET_BY_COUNTRY_IE: the wireless core has received an 802.11 country * information element with regulatory information it thinks we * should consider. */ enum reg_set_by { REGDOM_SET_BY_INIT, REGDOM_SET_BY_CORE, REGDOM_SET_BY_USER, REGDOM_SET_BY_DRIVER, REGDOM_SET_BY_COUNTRY_IE, }; 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 = (start) * 1000, \ .freq_range.end_freq_khz = (end) * 1000, \ .freq_range.max_bandwidth_khz = (bw) * 1000, \ .power_rule.max_antenna_gain = (gain) * 100, \ .power_rule.max_eirp = (eirp) * 100, \ .flags = reg_flags, \ } /* from net/wireless.h */ struct wiphy; /** * 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. * * @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 * * @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. * * @set_mesh_cfg: set mesh parameters (by now, just mesh id) * * @change_bss: Modify parameters for a given BSS. */ struct cfg80211_ops { 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 (*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 (*change_bss)(struct wiphy *wiphy, struct net_device *dev, struct bss_parameters *params); }; #endif /* __NET_CFG80211_H */