2 * hostapd / Station table
3 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
19 #define WLAN_STA_AUTH BIT(0)
20 #define WLAN_STA_ASSOC BIT(1)
21 #define WLAN_STA_PS BIT(2)
22 #define WLAN_STA_TIM BIT(3)
23 #define WLAN_STA_PERM BIT(4)
24 #define WLAN_STA_AUTHORIZED BIT(5)
25 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
26 #define WLAN_STA_SHORT_PREAMBLE BIT(7)
27 #define WLAN_STA_PREAUTH BIT(8)
28 #define WLAN_STA_WMM BIT(9)
29 #define WLAN_STA_MFP BIT(10)
30 #define WLAN_STA_HT BIT(11)
31 #define WLAN_STA_WPS BIT(12)
32 #define WLAN_STA_MAYBE_WPS BIT(13)
33 #define WLAN_STA_NONERP BIT(31)
35 /* Maximum number of supported rates (from both Supported Rates and Extended
36 * Supported Rates IEs). */
37 #define WLAN_SUPP_RATES_MAX 32
41 struct sta_info *next; /* next entry in sta list */
42 struct sta_info *hnext; /* next entry in hash table list */
44 u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */
45 u32 flags; /* Bitfield of WLAN_STA_* */
47 u16 listen_interval; /* or beacon_int for APs */
48 u8 supported_rates[WLAN_SUPP_RATES_MAX];
49 int supported_rates_len;
51 unsigned int nonerp_set:1;
52 unsigned int no_short_slot_time_set:1;
53 unsigned int no_short_preamble_set:1;
54 unsigned int no_ht_gf_set:1;
55 unsigned int no_ht_set:1;
56 unsigned int ht_20mhz_set:1;
62 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE
65 /* IEEE 802.1X related data */
66 struct eapol_state_machine *eapol_sm;
68 /* IEEE 802.11f (IAPP) related data */
69 struct ieee80211_mgmt *last_assoc_req;
71 u32 acct_session_id_hi;
72 u32 acct_session_id_lo;
73 time_t acct_session_start;
74 int acct_session_started;
75 int acct_terminate_cause; /* Acct-Terminate-Cause */
76 int acct_interim_interval; /* Acct-Interim-Interval */
78 unsigned long last_rx_bytes;
79 unsigned long last_tx_bytes;
80 u32 acct_input_gigawords; /* Acct-Input-Gigawords */
81 u32 acct_output_gigawords; /* Acct-Output-Gigawords */
83 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */
85 struct wpa_state_machine *wpa_sm;
86 struct rsn_preauth_interface *preauth_iface;
88 struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */
89 struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */
93 struct ieee80211_ht_capabilities *ht_capabilities;
95 #ifdef CONFIG_IEEE80211W
96 int sa_query_count; /* number of pending SA Query requests;
97 * 0 = no SA Query in progress */
98 int sa_query_timed_out;
99 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
100 * sa_query_count octets of pending SA Query
101 * transaction identifiers */
102 struct os_time sa_query_start;
103 #endif /* CONFIG_IEEE80211W */
105 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */
109 /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has
110 * passed since last received frame from the station, a nullfunc data frame is
111 * sent to the station. If this frame is not acknowledged and no other frames
112 * have been received, the station will be disassociated after
113 * AP_DISASSOC_DELAY seconds. Similarily, the station will be deauthenticated
114 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */
115 #define AP_MAX_INACTIVITY (5 * 60)
116 #define AP_DISASSOC_DELAY (1)
117 #define AP_DEAUTH_DELAY (1)
118 /* Number of seconds to keep STA entry with Authenticated flag after it has
119 * been disassociated. */
120 #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30)
121 /* Number of seconds to keep STA entry after it has been deauthenticated. */
122 #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5)
127 int ap_for_each_sta(struct hostapd_data *hapd,
128 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
131 struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta);
132 void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta);
133 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
134 void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
135 void hostapd_free_stas(struct hostapd_data *hapd);
136 void ap_handle_timer(void *eloop_ctx, void *timeout_ctx);
137 void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
138 u32 session_timeout);
139 void ap_sta_no_session_timeout(struct hostapd_data *hapd,
140 struct sta_info *sta);
141 struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr);
142 void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
144 void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
146 int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
148 void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
149 void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
150 int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta);
152 #endif /* STA_INFO_H */