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6fc6879b JM |
1 | /* |
2 | * hostapd / Station table | |
9b5d2b8b | 3 | * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi> |
6fc6879b JM |
4 | * |
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. | |
8 | * | |
9 | * Alternatively, this software may be distributed under the terms of BSD | |
10 | * license. | |
11 | * | |
12 | * See README and COPYING for more details. | |
13 | */ | |
14 | ||
15 | #ifndef STA_INFO_H | |
16 | #define STA_INFO_H | |
17 | ||
9b5d2b8b JM |
18 | /* STA flags */ |
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) | |
fbbfcbac | 33 | #define WLAN_STA_WDS BIT(14) |
b8281964 | 34 | #define WLAN_STA_ASSOC_REQ_OK BIT(15) |
17f6b900 | 35 | #define WLAN_STA_WPS2 BIT(16) |
9b5d2b8b JM |
36 | #define WLAN_STA_NONERP BIT(31) |
37 | ||
97234b50 JM |
38 | /* Maximum number of supported rates (from both Supported Rates and Extended |
39 | * Supported Rates IEs). */ | |
40 | #define WLAN_SUPP_RATES_MAX 32 | |
41 | ||
42 | ||
43 | struct sta_info { | |
44 | struct sta_info *next; /* next entry in sta list */ | |
45 | struct sta_info *hnext; /* next entry in hash table list */ | |
46 | u8 addr[6]; | |
47 | u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ | |
9b5d2b8b | 48 | u32 flags; /* Bitfield of WLAN_STA_* */ |
97234b50 JM |
49 | u16 capability; |
50 | u16 listen_interval; /* or beacon_int for APs */ | |
51 | u8 supported_rates[WLAN_SUPP_RATES_MAX]; | |
52 | int supported_rates_len; | |
53 | ||
54 | unsigned int nonerp_set:1; | |
55 | unsigned int no_short_slot_time_set:1; | |
56 | unsigned int no_short_preamble_set:1; | |
57 | unsigned int no_ht_gf_set:1; | |
58 | unsigned int no_ht_set:1; | |
59 | unsigned int ht_20mhz_set:1; | |
aefb53bd | 60 | unsigned int no_p2p_set:1; |
97234b50 JM |
61 | |
62 | u16 auth_alg; | |
63 | u8 previous_ap[6]; | |
64 | ||
65 | enum { | |
66 | STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE | |
67 | } timeout_next; | |
68 | ||
69 | /* IEEE 802.1X related data */ | |
70 | struct eapol_state_machine *eapol_sm; | |
71 | ||
72 | /* IEEE 802.11f (IAPP) related data */ | |
73 | struct ieee80211_mgmt *last_assoc_req; | |
74 | ||
75 | u32 acct_session_id_hi; | |
76 | u32 acct_session_id_lo; | |
77 | time_t acct_session_start; | |
78 | int acct_session_started; | |
79 | int acct_terminate_cause; /* Acct-Terminate-Cause */ | |
80 | int acct_interim_interval; /* Acct-Interim-Interval */ | |
81 | ||
82 | unsigned long last_rx_bytes; | |
83 | unsigned long last_tx_bytes; | |
84 | u32 acct_input_gigawords; /* Acct-Input-Gigawords */ | |
85 | u32 acct_output_gigawords; /* Acct-Output-Gigawords */ | |
86 | ||
87 | u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ | |
88 | ||
89 | struct wpa_state_machine *wpa_sm; | |
90 | struct rsn_preauth_interface *preauth_iface; | |
91 | ||
92 | struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */ | |
93 | struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */ | |
94 | ||
95 | int vlan_id; | |
96 | ||
df84268a | 97 | struct ieee80211_ht_capabilities *ht_capabilities; |
97234b50 JM |
98 | |
99 | #ifdef CONFIG_IEEE80211W | |
100 | int sa_query_count; /* number of pending SA Query requests; | |
101 | * 0 = no SA Query in progress */ | |
102 | int sa_query_timed_out; | |
103 | u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * | |
104 | * sa_query_count octets of pending SA Query | |
105 | * transaction identifiers */ | |
106 | struct os_time sa_query_start; | |
107 | #endif /* CONFIG_IEEE80211W */ | |
108 | ||
109 | struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ | |
b305c684 | 110 | struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ |
97234b50 JM |
111 | }; |
112 | ||
113 | ||
114 | /* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has | |
115 | * passed since last received frame from the station, a nullfunc data frame is | |
116 | * sent to the station. If this frame is not acknowledged and no other frames | |
117 | * have been received, the station will be disassociated after | |
118 | * AP_DISASSOC_DELAY seconds. Similarily, the station will be deauthenticated | |
119 | * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ | |
120 | #define AP_MAX_INACTIVITY (5 * 60) | |
121 | #define AP_DISASSOC_DELAY (1) | |
122 | #define AP_DEAUTH_DELAY (1) | |
123 | /* Number of seconds to keep STA entry with Authenticated flag after it has | |
124 | * been disassociated. */ | |
125 | #define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) | |
126 | /* Number of seconds to keep STA entry after it has been deauthenticated. */ | |
127 | #define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) | |
128 | ||
129 | ||
130 | struct hostapd_data; | |
131 | ||
6fc6879b JM |
132 | int ap_for_each_sta(struct hostapd_data *hapd, |
133 | int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, | |
134 | void *ctx), | |
135 | void *ctx); | |
136 | struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); | |
137 | void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); | |
138 | void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); | |
139 | void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); | |
140 | void hostapd_free_stas(struct hostapd_data *hapd); | |
141 | void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); | |
142 | void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, | |
143 | u32 session_timeout); | |
144 | void ap_sta_no_session_timeout(struct hostapd_data *hapd, | |
145 | struct sta_info *sta); | |
146 | struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); | |
147 | void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, | |
148 | u16 reason); | |
149 | void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, | |
150 | u16 reason); | |
151 | int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta, | |
152 | int old_vlanid); | |
93b76319 JM |
153 | void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); |
154 | void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); | |
45c94154 | 155 | int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); |
45cefa0b JM |
156 | void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, |
157 | const u8 *addr, u16 reason); | |
6fc6879b | 158 | |
6905dcb1 JB |
159 | void ap_sta_set_authorized(struct hostapd_data *hapd, |
160 | struct sta_info *sta, int authorized); | |
161 | static inline int ap_sta_is_authorized(struct sta_info *sta) | |
162 | { | |
163 | return sta->flags & WLAN_STA_AUTHORIZED; | |
164 | } | |
165 | ||
6fc6879b | 166 | #endif /* STA_INFO_H */ |