| /* |
| * hostapd / Station table |
| * Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi> |
| * |
| * 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 STA_INFO_H |
| #define STA_INFO_H |
| |
| #include "sta_flags.h" |
| |
| #ifdef CONFIG_IEEE80211N |
| #include "ieee802_11_defs.h" |
| #endif /* CONFIG_IEEE80211N */ |
| |
| /* Maximum number of supported rates (from both Supported Rates and Extended |
| * Supported Rates IEs). */ |
| #define WLAN_SUPP_RATES_MAX 32 |
| |
| |
| struct sta_info { |
| struct sta_info *next; /* next entry in sta list */ |
| struct sta_info *hnext; /* next entry in hash table list */ |
| u8 addr[6]; |
| u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ |
| u32 flags; |
| u16 capability; |
| u16 listen_interval; /* or beacon_int for APs */ |
| u8 supported_rates[WLAN_SUPP_RATES_MAX]; |
| int supported_rates_len; |
| |
| unsigned int nonerp_set:1; |
| unsigned int no_short_slot_time_set:1; |
| unsigned int no_short_preamble_set:1; |
| unsigned int no_ht_gf_set:1; |
| unsigned int no_ht_set:1; |
| unsigned int ht_20mhz_set:1; |
| |
| u16 auth_alg; |
| u8 previous_ap[6]; |
| |
| enum { |
| STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE |
| } timeout_next; |
| |
| /* IEEE 802.1X related data */ |
| struct eapol_state_machine *eapol_sm; |
| |
| /* IEEE 802.11f (IAPP) related data */ |
| struct ieee80211_mgmt *last_assoc_req; |
| |
| u32 acct_session_id_hi; |
| u32 acct_session_id_lo; |
| time_t acct_session_start; |
| int acct_session_started; |
| int acct_terminate_cause; /* Acct-Terminate-Cause */ |
| int acct_interim_interval; /* Acct-Interim-Interval */ |
| |
| unsigned long last_rx_bytes; |
| unsigned long last_tx_bytes; |
| u32 acct_input_gigawords; /* Acct-Input-Gigawords */ |
| u32 acct_output_gigawords; /* Acct-Output-Gigawords */ |
| |
| u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ |
| |
| struct wpa_state_machine *wpa_sm; |
| struct rsn_preauth_interface *preauth_iface; |
| |
| struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */ |
| struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */ |
| |
| int vlan_id; |
| |
| #ifdef CONFIG_IEEE80211N |
| struct ht_cap_ie ht_capabilities; /* IEEE 802.11n capabilities */ |
| #endif /* CONFIG_IEEE80211N */ |
| |
| #ifdef CONFIG_IEEE80211W |
| int sa_query_count; /* number of pending SA Query requests; |
| * 0 = no SA Query in progress */ |
| int sa_query_timed_out; |
| u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * |
| * sa_query_count octets of pending SA Query |
| * transaction identifiers */ |
| struct os_time sa_query_start; |
| #endif /* CONFIG_IEEE80211W */ |
| |
| struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ |
| }; |
| |
| |
| /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has |
| * passed since last received frame from the station, a nullfunc data frame is |
| * sent to the station. If this frame is not acknowledged and no other frames |
| * have been received, the station will be disassociated after |
| * AP_DISASSOC_DELAY seconds. Similarily, the station will be deauthenticated |
| * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ |
| #define AP_MAX_INACTIVITY (5 * 60) |
| #define AP_DISASSOC_DELAY (1) |
| #define AP_DEAUTH_DELAY (1) |
| /* Number of seconds to keep STA entry with Authenticated flag after it has |
| * been disassociated. */ |
| #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) |
| /* Number of seconds to keep STA entry after it has been deauthenticated. */ |
| #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) |
| |
| |
| struct hostapd_data; |
| |
| int ap_for_each_sta(struct hostapd_data *hapd, |
| int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, |
| void *ctx), |
| void *ctx); |
| struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); |
| void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); |
| void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); |
| void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); |
| void hostapd_free_stas(struct hostapd_data *hapd); |
| void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); |
| void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, |
| u32 session_timeout); |
| void ap_sta_no_session_timeout(struct hostapd_data *hapd, |
| struct sta_info *sta); |
| struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); |
| void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, |
| u16 reason); |
| void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, |
| u16 reason); |
| int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta, |
| int old_vlanid); |
| void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); |
| void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); |
| int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); |
| |
| #endif /* STA_INFO_H */ |