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Diffstat (limited to 'hostapd/ap.h')
| -rw-r--r-- | hostapd/ap.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/hostapd/ap.h b/hostapd/ap.h new file mode 100644 index 000000000000..98f8ee7449da --- /dev/null +++ b/hostapd/ap.h @@ -0,0 +1,139 @@ +/* + * hostapd / Station table data structures + * Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi> + * Copyright (c) 2007-2008, Intel Corporation + * + * 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 AP_H +#define AP_H + +#ifdef CONFIG_IEEE80211N +#include "ieee802_11_defs.h" +#endif /* CONFIG_IEEE80211N */ + +/* STA flags */ +#define WLAN_STA_AUTH BIT(0) +#define WLAN_STA_ASSOC BIT(1) +#define WLAN_STA_PS BIT(2) +#define WLAN_STA_TIM BIT(3) +#define WLAN_STA_PERM BIT(4) +#define WLAN_STA_AUTHORIZED BIT(5) +#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ +#define WLAN_STA_SHORT_PREAMBLE BIT(7) +#define WLAN_STA_PREAUTH BIT(8) +#define WLAN_STA_WME BIT(9) +#define WLAN_STA_MFP BIT(10) +#define WLAN_STA_HT BIT(11) +#define WLAN_STA_WPS BIT(12) +#define WLAN_STA_MAYBE_WPS BIT(13) +#define WLAN_STA_NONERP BIT(31) + +/* 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 */ +}; + + +/* Maximum number of AIDs to use for STAs; must be 2007 or lower + * (8802.11 limitation) */ +#define MAX_AID_TABLE_SIZE 128 + +#define STA_HASH_SIZE 256 +#define STA_HASH(sta) (sta[5]) + + +/* 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) + +#endif /* AP_H */ |