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hostap/hostapd/driver.h
Jouni Malinen 97234b5073 Move STA entry structure into sta_info.h and remove ap.h 
This cleans up some of the hostapd include file usage and only includes
the needed STA flags into driver wrappers.
2009-03-25 16:13:35 +02:00

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/*
* hostapd - driver interface definition
* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
* Copyright (c) 2007-2008, Intel Corporation
*
* 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.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#ifndef DRIVER_H
#define DRIVER_H
#include "sta_flags.h"
struct hostapd_data;
struct hostap_sta_driver_data {
unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes;
unsigned long current_tx_rate;
unsigned long inactive_msec;
unsigned long flags;
unsigned long num_ps_buf_frames;
unsigned long tx_retry_failed;
unsigned long tx_retry_count;
int last_rssi;
int last_ack_rssi;
};
struct hostapd_sta_add_params {
const u8 *addr;
u16 aid;
u16 capability;
const u8 *supp_rates;
size_t supp_rates_len;
int flags;
u16 listen_interval;
const struct ht_cap_ie *ht_capabilities;
};
struct hostapd_freq_params {
int mode;
int freq;
int ht_enabled;
int sec_channel_offset; /* 0 = HT40 disabled, -1 = HT40 enabled,
* secondary channel below primary, 1 = HT40
* enabled, secondary channel above primary */
};
enum hostapd_driver_if_type {
HOSTAPD_IF_VLAN, HOSTAPD_IF_WDS
};
struct hostapd_neighbor_bss {
u8 bssid[ETH_ALEN];
int freq; /* MHz */
unsigned int ht:1;
int pri_chan;
int sec_chan; /* 0 for 20 MHz channels */
};
struct wpa_driver_ops {
const char *name; /* as appears in the config file */
void * (*init)(struct hostapd_data *hapd);
void * (*init_bssid)(struct hostapd_data *hapd, const u8 *bssid);
void (*deinit)(void *priv);
int (*wireless_event_init)(void *priv);
void (*wireless_event_deinit)(void *priv);
/**
* set_8021x - enable/disable IEEE 802.1X support
* @ifname: Interface name (for multi-SSID/VLAN support)
* @priv: driver private data
* @enabled: 1 = enable, 0 = disable
*
* Returns: 0 on success, -1 on failure
*
* Configure the kernel driver to enable/disable 802.1X support.
* This may be an empty function if 802.1X support is always enabled.
*/
int (*set_ieee8021x)(const char *ifname, void *priv, int enabled);
/**
* set_privacy - enable/disable privacy
* @priv: driver private data
* @enabled: 1 = privacy enabled, 0 = disabled
*
* Return: 0 on success, -1 on failure
*
* Configure privacy.
*/
int (*set_privacy)(const char *ifname, void *priv, int enabled);
int (*set_encryption)(const char *ifname, void *priv, const char *alg,
const u8 *addr, int idx,
const u8 *key, size_t key_len, int txkey);
int (*get_seqnum)(const char *ifname, void *priv, const u8 *addr,
int idx, u8 *seq);
int (*get_seqnum_igtk)(const char *ifname, void *priv, const u8 *addr,
int idx, u8 *seq);
int (*flush)(void *priv);
int (*set_generic_elem)(const char *ifname, void *priv, const u8 *elem,
size_t elem_len);
int (*read_sta_data)(void *priv, struct hostap_sta_driver_data *data,
const u8 *addr);
int (*send_eapol)(void *priv, const u8 *addr, const u8 *data,
size_t data_len, int encrypt, const u8 *own_addr);
int (*sta_deauth)(void *priv, const u8 *addr, int reason);
int (*sta_disassoc)(void *priv, const u8 *addr, int reason);
int (*sta_remove)(void *priv, const u8 *addr);
int (*get_ssid)(const char *ifname, void *priv, u8 *buf, int len);
int (*set_ssid)(const char *ifname, void *priv, const u8 *buf,
int len);
int (*set_countermeasures)(void *priv, int enabled);
int (*send_mgmt_frame)(void *priv, const void *msg, size_t len,
int flags);
int (*set_assoc_ap)(void *priv, const u8 *addr);
/* note: sta_add() is deprecated; use sta_add2() instead */
int (*sta_add)(const char *ifname, void *priv, const u8 *addr, u16 aid,
u16 capability, u8 *supp_rates, size_t supp_rates_len,
int flags, u16 listen_interval);
int (*sta_add2)(const char *ifname, void *priv,
struct hostapd_sta_add_params *params);
int (*get_inact_sec)(void *priv, const u8 *addr);
int (*sta_clear_stats)(void *priv, const u8 *addr);
/* note: set_freq() is deprecated; use set_freq2() instead */
int (*set_freq)(void *priv, int mode, int freq);
int (*set_freq2)(void *priv, struct hostapd_freq_params *freq);
int (*set_rts)(void *priv, int rts);
int (*get_rts)(void *priv, int *rts);
int (*set_frag)(void *priv, int frag);
int (*get_frag)(void *priv, int *frag);
int (*set_retry)(void *priv, int short_retry, int long_retry);
int (*get_retry)(void *priv, int *short_retry, int *long_retry);
int (*sta_set_flags)(void *priv, const u8 *addr,
int total_flags, int flags_or, int flags_and);
int (*set_rate_sets)(void *priv, int *supp_rates, int *basic_rates,
int mode);
int (*set_country)(void *priv, const char *country);
int (*set_ieee80211d)(void *priv, int enabled);
int (*set_beacon)(const char *ifname, void *priv,
u8 *head, size_t head_len,
u8 *tail, size_t tail_len);
/* Configure internal bridge:
* 0 = disabled, i.e., client separation is enabled (no bridging of
* packets between associated STAs
* 1 = enabled, i.e., bridge packets between associated STAs (default)
*/
int (*set_internal_bridge)(void *priv, int value);
int (*set_beacon_int)(void *priv, int value);
int (*set_dtim_period)(const char *ifname, void *priv, int value);
/* Configure broadcast SSID mode:
* 0 = include SSID in Beacon frames and reply to Probe Request frames
* that use broadcast SSID
* 1 = hide SSID from Beacon frames and ignore Probe Request frames for
* broadcast SSID
*/
int (*set_broadcast_ssid)(void *priv, int value);
int (*set_cts_protect)(void *priv, int value);
int (*set_key_tx_rx_threshold)(void *priv, int value);
int (*set_preamble)(void *priv, int value);
int (*set_short_slot_time)(void *priv, int value);
int (*set_tx_queue_params)(void *priv, int queue, int aifs, int cw_min,
int cw_max, int burst_time);
int (*bss_add)(void *priv, const char *ifname, const u8 *bssid);
int (*bss_remove)(void *priv, const char *ifname);
int (*valid_bss_mask)(void *priv, const u8 *addr, const u8 *mask);
int (*passive_scan)(void *priv, int now, int our_mode_only,
int interval, int _listen, int *channel,
int *last_rx);
struct hostapd_hw_modes * (*get_hw_feature_data)(void *priv,
u16 *num_modes,
u16 *flags);
int (*if_add)(const char *iface, void *priv,
enum hostapd_driver_if_type type, char *ifname,
const u8 *addr);
int (*if_update)(void *priv, enum hostapd_driver_if_type type,
char *ifname, const u8 *addr);
int (*if_remove)(void *priv, enum hostapd_driver_if_type type,
const char *ifname, const u8 *addr);
int (*set_sta_vlan)(void *priv, const u8 *addr, const char *ifname,
int vlan_id);
/**
* commit - Optional commit changes handler
* @priv: driver private data
* Returns: 0 on success, -1 on failure
*
* This optional handler function can be registered if the driver
* interface implementation needs to commit changes (e.g., by setting
* network interface up) at the end of initial configuration. If set,
* this handler will be called after initial setup has been completed.
*/
int (*commit)(void *priv);
int (*send_ether)(void *priv, const u8 *dst, const u8 *src, u16 proto,
const u8 *data, size_t data_len);
int (*set_radius_acl_auth)(void *priv, const u8 *mac, int accepted,
u32 session_timeout);
int (*set_radius_acl_expire)(void *priv, const u8 *mac);
int (*set_ht_params)(const char *ifname, void *priv,
const u8 *ht_capab, size_t ht_capab_len,
const u8 *ht_oper, size_t ht_oper_len);
int (*set_wps_beacon_ie)(const char *ifname, void *priv,
const u8 *ie, size_t len);
int (*set_wps_probe_resp_ie)(const char *ifname, void *priv,
const u8 *ie, size_t len);
const struct hostapd_neighbor_bss *
(*get_neighbor_bss)(void *priv, size_t *num);
};
void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
int reassoc);
void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
const u8 *buf, size_t len, int ack);
void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, const u8 *addr);
int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
const u8 *ie, size_t ielen);
void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
void hostapd_eapol_receive(struct hostapd_data *hapd, const u8 *sa,
const u8 *buf, size_t len);
struct hostapd_frame_info {
u32 phytype;
u32 channel;
u32 datarate;
u32 ssi_signal;
unsigned int passive_scan:1;
};
void hostapd_mgmt_rx(struct hostapd_data *hapd, u8 *buf, size_t len,
u16 stype, struct hostapd_frame_info *fi);
void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
u16 stype, int ok);
void hostapd_michael_mic_failure(struct hostapd_data *hapd, const u8 *addr);
#endif /* DRIVER_H */
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