sta_info.h revision bd14a57187b024f49f5b9ace55ef457d8d04650a
1/* 2 * hostapd / Station table 3 * Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9#ifndef STA_INFO_H 10#define STA_INFO_H 11 12/* STA flags */ 13#define WLAN_STA_AUTH BIT(0) 14#define WLAN_STA_ASSOC BIT(1) 15#define WLAN_STA_AUTHORIZED BIT(5) 16#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 17#define WLAN_STA_SHORT_PREAMBLE BIT(7) 18#define WLAN_STA_PREAUTH BIT(8) 19#define WLAN_STA_WMM BIT(9) 20#define WLAN_STA_MFP BIT(10) 21#define WLAN_STA_HT BIT(11) 22#define WLAN_STA_WPS BIT(12) 23#define WLAN_STA_MAYBE_WPS BIT(13) 24#define WLAN_STA_WDS BIT(14) 25#define WLAN_STA_ASSOC_REQ_OK BIT(15) 26#define WLAN_STA_WPS2 BIT(16) 27#define WLAN_STA_GAS BIT(17) 28#define WLAN_STA_VHT BIT(18) 29#define WLAN_STA_WNM_SLEEP_MODE BIT(19) 30#define WLAN_STA_VHT_OPMODE_ENABLED BIT(20) 31#define WLAN_STA_PENDING_DISASSOC_CB BIT(29) 32#define WLAN_STA_PENDING_DEAUTH_CB BIT(30) 33#define WLAN_STA_NONERP BIT(31) 34 35/* Maximum number of supported rates (from both Supported Rates and Extended 36 * Supported Rates IEs). */ 37#define WLAN_SUPP_RATES_MAX 32 38 39 40struct sta_info { 41 struct sta_info *next; /* next entry in sta list */ 42 struct sta_info *hnext; /* next entry in hash table list */ 43 u8 addr[6]; 44 u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */ 45 u32 flags; /* Bitfield of WLAN_STA_* */ 46 u16 capability; 47 u16 listen_interval; /* or beacon_int for APs */ 48 u8 supported_rates[WLAN_SUPP_RATES_MAX]; 49 int supported_rates_len; 50 u8 qosinfo; /* Valid when WLAN_STA_WMM is set */ 51 52 unsigned int nonerp_set:1; 53 unsigned int no_short_slot_time_set:1; 54 unsigned int no_short_preamble_set:1; 55 unsigned int no_ht_gf_set:1; 56 unsigned int no_ht_set:1; 57 unsigned int ht_20mhz_set:1; 58 unsigned int no_p2p_set:1; 59 unsigned int qos_map_enabled:1; 60 61 u16 auth_alg; 62 u8 previous_ap[6]; 63 64 enum { 65 STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE, 66 STA_DISASSOC_FROM_CLI 67 } timeout_next; 68 69 u16 deauth_reason; 70 u16 disassoc_reason; 71 72 /* IEEE 802.1X related data */ 73 struct eapol_state_machine *eapol_sm; 74 75 /* IEEE 802.11f (IAPP) related data */ 76 struct ieee80211_mgmt *last_assoc_req; 77 78 u32 acct_session_id_hi; 79 u32 acct_session_id_lo; 80 struct os_reltime acct_session_start; 81 int acct_session_started; 82 int acct_terminate_cause; /* Acct-Terminate-Cause */ 83 int acct_interim_interval; /* Acct-Interim-Interval */ 84 85 unsigned long last_rx_bytes; 86 unsigned long last_tx_bytes; 87 u32 acct_input_gigawords; /* Acct-Input-Gigawords */ 88 u32 acct_output_gigawords; /* Acct-Output-Gigawords */ 89 90 u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */ 91 92 struct wpa_state_machine *wpa_sm; 93 struct rsn_preauth_interface *preauth_iface; 94 95 struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */ 96 struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */ 97 98 int vlan_id; 99 /* PSKs from RADIUS authentication server */ 100 struct hostapd_sta_wpa_psk_short *psk; 101 102 char *identity; /* User-Name from RADIUS */ 103 char *radius_cui; /* Chargeable-User-Identity from RADIUS */ 104 105 struct ieee80211_ht_capabilities *ht_capabilities; 106 struct ieee80211_vht_capabilities *vht_capabilities; 107 u8 vht_opmode; 108 109#ifdef CONFIG_IEEE80211W 110 int sa_query_count; /* number of pending SA Query requests; 111 * 0 = no SA Query in progress */ 112 int sa_query_timed_out; 113 u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN * 114 * sa_query_count octets of pending SA Query 115 * transaction identifiers */ 116 struct os_reltime sa_query_start; 117#endif /* CONFIG_IEEE80211W */ 118 119#ifdef CONFIG_INTERWORKING 120#define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */ 121 struct gas_dialog_info *gas_dialog; 122 u8 gas_dialog_next; 123#endif /* CONFIG_INTERWORKING */ 124 125 struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */ 126 struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */ 127 struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */ 128 129 struct os_reltime connected_time; 130 131#ifdef CONFIG_SAE 132 struct sae_data *sae; 133#endif /* CONFIG_SAE */ 134}; 135 136 137/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has 138 * passed since last received frame from the station, a nullfunc data frame is 139 * sent to the station. If this frame is not acknowledged and no other frames 140 * have been received, the station will be disassociated after 141 * AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated 142 * after AP_DEAUTH_DELAY seconds has passed after disassociation. */ 143#define AP_MAX_INACTIVITY (5 * 60) 144#define AP_DISASSOC_DELAY (1) 145#define AP_DEAUTH_DELAY (1) 146/* Number of seconds to keep STA entry with Authenticated flag after it has 147 * been disassociated. */ 148#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30) 149/* Number of seconds to keep STA entry after it has been deauthenticated. */ 150#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5) 151 152 153struct hostapd_data; 154 155int ap_for_each_sta(struct hostapd_data *hapd, 156 int (*cb)(struct hostapd_data *hapd, struct sta_info *sta, 157 void *ctx), 158 void *ctx); 159struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta); 160struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr); 161void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta); 162void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta); 163void hostapd_free_stas(struct hostapd_data *hapd); 164void ap_handle_timer(void *eloop_ctx, void *timeout_ctx); 165void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta, 166 u32 session_timeout); 167void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta, 168 u32 session_timeout); 169void ap_sta_no_session_timeout(struct hostapd_data *hapd, 170 struct sta_info *sta); 171struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr); 172void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta, 173 u16 reason); 174void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta, 175 u16 reason); 176#ifdef CONFIG_WPS 177int ap_sta_wps_cancel(struct hostapd_data *hapd, 178 struct sta_info *sta, void *ctx); 179#endif /* CONFIG_WPS */ 180int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta, 181 int old_vlanid); 182void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 183void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta); 184int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta); 185void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta, 186 const u8 *addr, u16 reason); 187 188void ap_sta_set_authorized(struct hostapd_data *hapd, 189 struct sta_info *sta, int authorized); 190static inline int ap_sta_is_authorized(struct sta_info *sta) 191{ 192 return sta->flags & WLAN_STA_AUTHORIZED; 193} 194 195void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta); 196void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta); 197 198int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen); 199 200#endif /* STA_INFO_H */ 201