hostap/hostapd/hostapd.h

257 lines
6 KiB
C
Raw Normal View History

/*
* hostapd / Initialization and configuration
* Host AP kernel driver
* Copyright (c) 2002-2007, 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 HOSTAPD_H
#define HOSTAPD_H
#include "common.h"
#include "ap.h"
#ifndef ETH_ALEN
#define ETH_ALEN 6
#endif
#ifndef IFNAMSIZ
#define IFNAMSIZ 16
#endif
#ifndef ETH_P_ALL
#define ETH_P_ALL 0x0003
#endif
#ifndef ETH_P_PAE
#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
#endif /* ETH_P_PAE */
#ifndef ETH_P_EAPOL
#define ETH_P_EAPOL ETH_P_PAE
#endif /* ETH_P_EAPOL */
#ifndef ETH_P_RRB
#define ETH_P_RRB 0x890D
#endif /* ETH_P_RRB */
#include "config.h"
#ifdef _MSC_VER
#pragma pack(push, 1)
#endif /* _MSC_VER */
#define MAX_VLAN_ID 4094
struct ieee8023_hdr {
u8 dest[6];
u8 src[6];
u16 ethertype;
} STRUCT_PACKED;
struct ieee80211_hdr {
le16 frame_control;
le16 duration_id;
u8 addr1[6];
u8 addr2[6];
u8 addr3[6];
le16 seq_ctrl;
/* followed by 'u8 addr4[6];' if ToDS and FromDS is set in data frame
*/
} STRUCT_PACKED;
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
#define IEEE80211_DA_FROMDS addr1
#define IEEE80211_BSSID_FROMDS addr2
#define IEEE80211_SA_FROMDS addr3
#define IEEE80211_HDRLEN (sizeof(struct ieee80211_hdr))
#define IEEE80211_FC(type, stype) host_to_le16((type << 2) | (stype << 4))
/* MTU to be set for the wlan#ap device; this is mainly needed for IEEE 802.1X
* frames that might be longer than normal default MTU and they are not
* fragmented */
#define HOSTAPD_MTU 2290
extern unsigned char rfc1042_header[6];
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 wpa_driver_ops;
struct wpa_ctrl_dst;
struct radius_server_data;
#ifdef CONFIG_FULL_DYNAMIC_VLAN
struct full_dynamic_vlan;
#endif /* CONFIG_FULL_DYNAMIC_VLAN */
/**
* struct hostapd_data - hostapd per-BSS data structure
*/
struct hostapd_data {
struct hostapd_iface *iface;
struct hostapd_config *iconf;
struct hostapd_bss_config *conf;
int interface_added; /* virtual interface added for this BSS */
u8 own_addr[ETH_ALEN];
int num_sta; /* number of entries in sta_list */
struct sta_info *sta_list; /* STA info list head */
struct sta_info *sta_hash[STA_HASH_SIZE];
/* pointers to STA info; based on allocated AID or NULL if AID free
* AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1
* and so on
*/
struct sta_info *sta_aid[MAX_AID_TABLE_SIZE];
const struct wpa_driver_ops *driver;
void *drv_priv;
u8 *default_wep_key;
u8 default_wep_key_idx;
struct radius_client_data *radius;
int radius_client_reconfigured;
u32 acct_session_id_hi, acct_session_id_lo;
struct iapp_data *iapp;
enum { DO_NOT_ASSOC = 0, WAIT_BEACON, AUTHENTICATE, ASSOCIATE,
ASSOCIATED } assoc_ap_state;
char assoc_ap_ssid[33];
int assoc_ap_ssid_len;
u16 assoc_ap_aid;
struct hostapd_cached_radius_acl *acl_cache;
struct hostapd_acl_query_data *acl_queries;
struct wpa_authenticator *wpa_auth;
struct eapol_authenticator *eapol_auth;
struct rsn_preauth_interface *preauth_iface;
time_t michael_mic_failure;
int michael_mic_failures;
int tkip_countermeasures;
int ctrl_sock;
struct wpa_ctrl_dst *ctrl_dst;
void *ssl_ctx;
void *eap_sim_db_priv;
struct radius_server_data *radius_srv;
int parameter_set_count;
#ifdef CONFIG_FULL_DYNAMIC_VLAN
struct full_dynamic_vlan *full_dynamic_vlan;
#endif /* CONFIG_FULL_DYNAMIC_VLAN */
struct l2_packet_data *l2;
};
/**
* hostapd_iface_cb - Generic callback type for per-iface asynchronous requests
* @iface: the interface the event occured on.
* @status: 0 if the request succeeded; -1 if the request failed.
*/
typedef void (*hostapd_iface_cb)(struct hostapd_iface *iface, int status);
struct hostapd_config_change;
/**
* struct hostapd_iface - hostapd per-interface data structure
*/
struct hostapd_iface {
char *config_fname;
struct hostapd_config *conf;
hostapd_iface_cb setup_cb;
size_t num_bss;
struct hostapd_data **bss;
int num_ap; /* number of entries in ap_list */
struct ap_info *ap_list; /* AP info list head */
struct ap_info *ap_hash[STA_HASH_SIZE];
struct ap_info *ap_iter_list;
struct hostapd_hw_modes *hw_features;
int num_hw_features;
struct hostapd_hw_modes *current_mode;
/* Rates that are currently used (i.e., filtered copy of
* current_mode->channels */
int num_rates;
struct hostapd_rate_data *current_rates;
hostapd_iface_cb hw_mode_sel_cb;
u16 hw_flags;
/* Number of associated Non-ERP stations (i.e., stations using 802.11b
* in 802.11g BSS) */
int num_sta_non_erp;
/* Number of associated stations that do not support Short Slot Time */
int num_sta_no_short_slot_time;
/* Number of associated stations that do not support Short Preamble */
int num_sta_no_short_preamble;
int olbc; /* Overlapping Legacy BSS Condition */
/* Number of HT associated stations that do not support greenfield */
int num_sta_ht_no_gf;
/* Number of associated non-HT stations */
int num_sta_no_ht;
/* Number of HT associated stations 20 MHz */
int num_sta_ht_20mhz;
/* Overlapping BSS information */
int olbc_ht;
int dfs_enable;
u8 pwr_const;
unsigned int tx_power;
unsigned int sta_max_power;
unsigned int channel_switch;
struct hostapd_config_change *change;
hostapd_iface_cb reload_iface_cb;
hostapd_iface_cb config_reload_cb;
#ifdef CONFIG_IEEE80211N
u16 ht_op_mode;
#endif /* CONFIG_IEEE80211N */
};
void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
int reassoc);
#endif /* HOSTAPD_H */