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136 lines
4.2 KiB
C
136 lines
4.2 KiB
C
/*
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* Copyright (c) 2002
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* Thomas Skibo <skibo@pacbell.net>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Thomas Skibo.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Thomas Skibo AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Thomas Skibo OR HIS DRINKING PALS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef __WI_HOSTAP_H__
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#define __WI_HOSTAP_H__
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#define WIHAP_MAX_STATIONS 1800
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struct hostap_sta {
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u_int8_t addr[6];
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u_int16_t asid;
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u_int16_t flags;
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u_int16_t sig_info; /* 15:8 signal, 7:0 noise */
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u_int16_t capinfo;
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u_int8_t rates;
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};
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#define HOSTAP_FLAGS_AUTHEN 0x0001
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#define HOSTAP_FLAGS_ASSOC 0x0002
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#define HOSTAP_FLAGS_PERM 0x0004
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#define SIOCHOSTAP_GET _IOWR('i', 210, struct ifreq)
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#define SIOCHOSTAP_ADD _IOWR('i', 211, struct ifreq)
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#define SIOCHOSTAP_DEL _IOWR('i', 212, struct ifreq)
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#define SIOCHOSTAP_GETALL _IOWR('i', 213, struct ifreq)
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#define SIOCHOSTAP_GFLAGS _IOWR('i', 214, struct ifreq)
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#define SIOCHOSTAP_SFLAGS _IOWR('i', 215, struct ifreq)
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/* Flags for SIOCHOSTAP_GFLAGS/SFLAGS */
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#define WIHAPFL_ACTIVE 0x0001
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#define WIHAPFL_MAC_FILT 0x0002
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/* Flags set inernally only: */
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#define WIHAPFL_CANTCHANGE (WIHAPFL_ACTIVE)
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struct hostap_getall {
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int nstations;
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struct hostap_sta *addr;
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int size;
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};
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#ifdef _KERNEL
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struct wihap_sta_info {
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LIST_ENTRY(wihap_sta_info) list;
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LIST_ENTRY(wihap_sta_info) hash;
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struct wi_softc *sc;
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u_int8_t addr[6];
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u_short flags;
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int inactivity_timer;
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u_int16_t asid;
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u_int16_t capinfo;
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u_int16_t sig_info; /* 15:8 signal, 7:0 noise */
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u_int8_t rates;
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u_int8_t tx_curr_rate;
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u_int8_t tx_max_rate;
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u_int32_t *challenge;
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struct callout_handle tmo;
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};
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#define WI_SIFLAGS_ASSOC HOSTAP_FLAGS_ASSOC
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#define WI_SIFLAGS_AUTHEN HOSTAP_FLAGS_AUTHEN
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#define WI_SIFLAGS_PERM HOSTAP_FLAGS_PERM
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#define WI_STA_HASH_SIZE 113
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#if WI_STA_HASH_SIZE*16 >= 2007 /* will generate ASID's too large. */
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#error "WI_STA_HASH_SIZE too big"
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#endif
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#if WI_STA_HASH_SIZE*16 < WIHAP_MAX_STATIONS
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#error "WI_STA_HASH_SIZE too small"
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#endif
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struct wihap_info {
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LIST_HEAD(sta_list, wihap_sta_info) sta_list;
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LIST_HEAD(sta_hash, wihap_sta_info) sta_hash[WI_STA_HASH_SIZE];
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u_int16_t apflags;
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int n_stations;
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u_int16_t asid_inuse_mask[WI_STA_HASH_SIZE];
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int inactivity_time;
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};
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#define WIHAP_INTERVAL 5
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#define WIHAP_DFLT_INACTIVITY_TIME 120 /* 2 minutes */
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struct wi_softc;
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struct wi_frame;
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void wihap_timer(void *);
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void wihap_mgmt_input(struct wi_softc *, struct wi_frame *, struct mbuf *);
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int wihap_data_input(struct wi_softc *, struct wi_frame *, struct mbuf *);
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int wihap_check_tx(struct wihap_info *, u_int8_t [], u_int8_t *);
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void wihap_init(struct wi_softc *);
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void wihap_shutdown(struct wi_softc *);
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int wihap_ioctl(struct wi_softc *, u_long, caddr_t);
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#endif /* _KERNEL */
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#endif /* __WI_HOSTAP_H__ */
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