hostapd.h

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#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 BIT
#define BIT(x) (1 << (x))
#endif

#ifndef MAC2STR
#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
#endif

#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 {
        u16 frame_control;
        u16 duration_id;
        u8 addr1[6];
        u8 addr2[6];
        u8 addr3[6];
        u16 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 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 {
        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];

        struct driver_ops *driver;

        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 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 */
};


typedef void (*hostapd_iface_cb)(struct hostapd_iface *iface, int status);


struct hostapd_config_change;

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 */

        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;
};

void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
                           int reassoc);
void hostapd_logger(struct hostapd_data *hapd, const u8 *addr,
                    unsigned int module, int level, const char *fmt,
                    ...) PRINTF_FORMAT(5, 6);


#ifndef _MSC_VER
#define HOSTAPD_DEBUG(level, args...) \
do { \
        if (hapd->conf == NULL || hapd->conf->debug >= (level)) \
                printf(args); \
} while (0)
#endif /* _MSC_VER */

#define HOSTAPD_DEBUG_COND(level) (hapd->conf->debug >= (level))

const char * hostapd_ip_txt(const struct hostapd_ip_addr *addr, char *buf,
                            size_t buflen);
int hostapd_ip_diff(struct hostapd_ip_addr *a, struct hostapd_ip_addr *b);

#endif /* HOSTAPD_H */

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