FreeBSD/Linux Kernel Cross Reference
sys/dev/wi/wi_hostap.h

     /*
      * Copyright (c) 2002
      *      Thomas Skibo <skibo@pacbell.net>.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Thomas Skibo.
     * 4. Neither the name of the author nor the names of any co-contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY Thomas Skibo AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL Thomas Skibo OR HIS DRINKING PALS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     * THE POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD: releng/5.0/sys/dev/wi/wi_hostap.h 98720 2002-06-24 04:42:46Z imp $
     */
    
    #ifndef __WI_HOSTAP_H__
    #define __WI_HOSTAP_H__
    
    #define WIHAP_MAX_STATIONS      1800
    
    struct hostap_sta {
            u_int8_t        addr[6];
            u_int16_t       asid;
            u_int16_t       flags;
            u_int16_t       sig_info;       /* 15:8 signal, 7:0 noise */
            u_int16_t       capinfo;
            u_int8_t        rates;
    };
    
    #define HOSTAP_FLAGS_AUTHEN     0x0001
    #define HOSTAP_FLAGS_ASSOC      0x0002
    #define HOSTAP_FLAGS_PERM       0x0004
    #define HOSTAP_FLAGS_BITS       "\2\01ASSOC\02AUTH\03PERM"
    
    #define SIOCHOSTAP_GET          _IOWR('i', 210, struct ifreq)
    #define SIOCHOSTAP_ADD          _IOWR('i', 211, struct ifreq)
    #define SIOCHOSTAP_DEL          _IOWR('i', 212, struct ifreq)
    #define SIOCHOSTAP_GETALL       _IOWR('i', 213, struct ifreq)
    #define SIOCHOSTAP_GFLAGS       _IOWR('i', 214, struct ifreq)
    #define SIOCHOSTAP_SFLAGS       _IOWR('i', 215, struct ifreq)
    
    /* Flags for SIOCHOSTAP_GFLAGS/SFLAGS */
    #define WIHAPFL_ACTIVE          0x0001
    #define WIHAPFL_MAC_FILT        0x0002
    
    /* Flags set inernally only: */
    #define WIHAPFL_CANTCHANGE      (WIHAPFL_ACTIVE)
    
    struct hostap_getall {
            int             nstations;
            struct hostap_sta *addr;
            int             size;
    };
    
    
    
    #ifdef _KERNEL
    struct wihap_sta_info {
            LIST_ENTRY(wihap_sta_info) list;
            LIST_ENTRY(wihap_sta_info) hash;
    
            struct wi_softc *sc;
            u_int8_t        addr[6];
            u_short         flags;
            int             inactivity_timer;
    
            u_int16_t       asid;
            u_int16_t       capinfo;
            u_int16_t       sig_info;       /* 15:8 signal, 7:0 noise */
            u_int8_t        rates;
            u_int8_t        tx_curr_rate;
            u_int8_t        tx_max_rate;
            u_int32_t       *challenge;
            struct callout_handle   tmo;
    };
    
    #define WI_SIFLAGS_ASSOC        HOSTAP_FLAGS_ASSOC
    #define WI_SIFLAGS_AUTHEN       HOSTAP_FLAGS_AUTHEN
    #define WI_SIFLAGS_PERM         HOSTAP_FLAGS_PERM
    
   #define WI_STA_HASH_SIZE        113
   
   #if WI_STA_HASH_SIZE*16 >= 2007 /* will generate ASID's too large. */
   #error "WI_STA_HASH_SIZE too big"
   #endif
   #if WI_STA_HASH_SIZE*16 < WIHAP_MAX_STATIONS
   #error "WI_STA_HASH_SIZE too small"
   #endif
   
   struct wihap_info {
           LIST_HEAD(sta_list, wihap_sta_info)     sta_list;
           LIST_HEAD(sta_hash, wihap_sta_info)     sta_hash[WI_STA_HASH_SIZE];
   
           u_int16_t               apflags;
   
           int                     n_stations;
           u_int16_t               asid_inuse_mask[WI_STA_HASH_SIZE];
   
           int                     inactivity_time;
   };
   
   #define WIHAP_INTERVAL                  5
   #define WIHAP_DFLT_INACTIVITY_TIME      120     /* 2 minutes */
   
   struct wi_softc;
   struct wi_frame;
   
   void wihap_timer(void *);
   void wihap_mgmt_input(struct wi_softc *, struct wi_frame *, struct mbuf *);
   int  wihap_data_input(struct wi_softc *, struct wi_frame *, struct mbuf *);
   int  wihap_check_tx(struct wihap_info *, u_int8_t [], u_int8_t *);
   void wihap_init(struct wi_softc *);
   void wihap_shutdown(struct wi_softc *);
   int  wihap_ioctl(struct wi_softc *, u_long, caddr_t);
   
   #endif /* _KERNEL */
   #endif /* __WI_HOSTAP_H__ */

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