142 lines
4.9 KiB
C
142 lines
4.9 KiB
C
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/*
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* hostapd / Station table
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* Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#ifndef STA_INFO_H
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#define STA_INFO_H
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/* STA flags */
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#define WLAN_STA_AUTH BIT(0)
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#define WLAN_STA_ASSOC BIT(1)
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#define WLAN_STA_PS BIT(2)
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#define WLAN_STA_TIM BIT(3)
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#define WLAN_STA_PERM BIT(4)
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#define WLAN_STA_AUTHORIZED BIT(5)
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#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
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#define WLAN_STA_SHORT_PREAMBLE BIT(7)
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#define WLAN_STA_PREAUTH BIT(8)
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#define WLAN_STA_WMM BIT(9)
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#define WLAN_STA_MFP BIT(10)
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#define WLAN_STA_HT BIT(11)
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#define WLAN_STA_WPS BIT(12)
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#define WLAN_STA_MAYBE_WPS BIT(13)
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#define WLAN_STA_WDS BIT(14)
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#define WLAN_STA_ASSOC_REQ_OK BIT(15)
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#define WLAN_STA_WPS2 BIT(16)
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#define WLAN_STA_GAS BIT(17)
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#define WLAN_STA_VHT BIT(18)
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#define WLAN_STA_PENDING_DISASSOC_CB BIT(29)
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#define WLAN_STA_PENDING_DEAUTH_CB BIT(30)
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#define WLAN_STA_NONERP BIT(31)
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/* Maximum number of supported rates (from both Supported Rates and Extended
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* Supported Rates IEs). */
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#define WLAN_SUPP_RATES_MAX 32
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struct sta_info {
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struct sta_info *next; /* next entry in sta list */
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struct sta_info *hnext; /* next entry in hash table list */
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u8 addr[6];
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u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */
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u32 flags; /* Bitfield of WLAN_STA_* */
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u16 capability;
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u16 listen_interval; /* or beacon_int for APs */
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u8 supported_rates[WLAN_SUPP_RATES_MAX];
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int supported_rates_len;
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u16 auth_alg;
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enum {
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STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE
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} timeout_next;
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struct wpa_state_machine *wpa_sm;
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#ifdef CONFIG_IEEE80211W
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int sa_query_count; /* number of pending SA Query requests;
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* 0 = no SA Query in progress */
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int sa_query_timed_out;
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u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
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* sa_query_count octets of pending SA Query
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* transaction identifiers */
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struct os_time sa_query_start;
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#endif /* CONFIG_IEEE80211W */
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#ifdef CONFIG_INTERWORKING
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#define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */
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struct gas_dialog_info *gas_dialog;
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u8 gas_dialog_next;
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#endif /* CONFIG_INTERWORKING */
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#ifdef CONFIG_SAE
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enum { SAE_INIT, SAE_COMMIT, SAE_CONFIRM } sae_state;
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u16 sae_send_confirm;
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#endif /* CONFIG_SAE */
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};
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/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has
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* passed since last received frame from the station, a nullfunc data frame is
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* sent to the station. If this frame is not acknowledged and no other frames
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* have been received, the station will be disassociated after
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* AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated
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* after AP_DEAUTH_DELAY seconds has passed after disassociation. */
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#define AP_MAX_INACTIVITY (5 * 60)
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#define AP_DISASSOC_DELAY (1)
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#define AP_DEAUTH_DELAY (1)
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/* Number of seconds to keep STA entry with Authenticated flag after it has
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* been disassociated. */
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#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30)
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/* Number of seconds to keep STA entry after it has been deauthenticated. */
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#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5)
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struct hostapd_data;
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int ap_for_each_sta(struct hostapd_data *hapd,
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int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
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void *ctx),
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void *ctx);
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struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta);
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void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
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void hostapd_free_stas(struct hostapd_data *hapd);
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void ap_handle_timer(void *eloop_ctx, void *timeout_ctx);
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void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
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u32 session_timeout);
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void ap_sta_no_session_timeout(struct hostapd_data *hapd,
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struct sta_info *sta);
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struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr);
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void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
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u16 reason);
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void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
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u16 reason);
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#ifdef CONFIG_WPS
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int ap_sta_wps_cancel(struct hostapd_data *hapd,
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struct sta_info *sta, void *ctx);
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#endif /* CONFIG_WPS */
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int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
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int old_vlanid);
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void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
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int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
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const u8 *addr, u16 reason);
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void ap_sta_set_authorized(struct hostapd_data *hapd,
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struct sta_info *sta, int authorized);
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static inline int ap_sta_is_authorized(struct sta_info *sta)
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{
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return sta->flags & WLAN_STA_AUTHORIZED;
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}
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void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta);
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#endif /* STA_INFO_H */
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