hostapd.h

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#ifndef HOSTAPD_H
#define HOSTAPD_H

#include "common.h"

#define MAX_VLAN_ID 4094

struct wpa_driver_ops;
struct wpa_ctrl_dst;
struct radius_server_data;
struct upnp_wps_device_sm;

#ifdef CONFIG_FULL_DYNAMIC_VLAN
struct full_dynamic_vlan;
#endif /* CONFIG_FULL_DYNAMIC_VLAN */

struct hostapd_probereq_cb {
        void (*cb)(void *ctx, const u8 *sa, const u8 *ie, size_t ie_len);
        void *ctx;
};

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 */
#define STA_HASH_SIZE 256
#define STA_HASH(sta) (sta[5])
        struct sta_info *sta_hash[STA_HASH_SIZE];

        /*
         * Bitfield for indicating which AIDs are allocated. Only AID values
         * 1-2007 are used and as such, the bit at index 0 corresponds to AID
         * 1.
         */
#define AID_WORDS ((2008 + 31) / 32)
        u32 sta_aid[AID_WORDS];

        const struct wpa_driver_ops *driver;
        void *drv_priv;

        void *msg_ctx; /* ctx for wpa_msg() calls */

        struct radius_client_data *radius;
        int radius_client_reconfigured;
        u32 acct_session_id_hi, acct_session_id_lo;

        struct iapp_data *iapp;

        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;
        struct wps_context *wps;

#ifdef CONFIG_WPS
        u8 *wps_beacon_ie;
        size_t wps_beacon_ie_len;
        u8 *wps_probe_resp_ie;
        size_t wps_probe_resp_ie_len;
        unsigned int ap_pin_failures;
        struct upnp_wps_device_sm *wps_upnp;
#endif /* CONFIG_WPS */

        struct hostapd_probereq_cb *probereq_cb;
        size_t num_probereq_cb;
};


struct hostapd_iface {
        void *owner;
        char *config_fname;
        struct hostapd_config *conf;

        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;

        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;

        u16 ht_op_mode;
        void (*scan_cb)(struct hostapd_iface *iface);
};

int hostapd_reload_config(struct hostapd_iface *iface);
struct hostapd_data *
hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
                       struct hostapd_config *conf,
                       struct hostapd_bss_config *bss);
int hostapd_setup_interface(struct hostapd_iface *iface);
int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
void hostapd_interface_deinit(struct hostapd_iface *iface);
int handle_reload_iface(struct hostapd_iface *iface, void *ctx);
int handle_dump_state_iface(struct hostapd_iface *iface, void *ctx);

int hostapd_for_each_interface(int (*cb)(struct hostapd_iface *iface,
                                         void *ctx), void *ctx);

int hostapd_register_probereq_cb(struct hostapd_data *hapd,
                                 void (*cb)(void *ctx, const u8 *sa,
                                            const u8 *ie, size_t ie_len),
                                 void *ctx);

#endif /* HOSTAPD_H */