sys/lib/libsa/iodesc.h

   1 /*      $NetBSD: iodesc.h,v 1.10 2014/03/29 14:30:16 jakllsch Exp $     */
   2
   3 /*
   4  * Copyright (c) 1993 Adam Glass
   5  * Copyright (c) 1992 Regents of the University of California.
   6  * All rights reserved.
   7  *
   8  * This software was developed by the Computer Systems Engineering group
   9  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
  10  * contributed to Berkeley.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  * 3. All advertising materials mentioning features or use of this software
  21  *    must display the following acknowledgement:
  22  *      This product includes software developed by the University of
  23  *      California, Lawrence Berkeley Laboratory and its contributors.
  24  * 4. Neither the name of the University nor the names of its contributors
  25  *    may be used to endorse or promote products derived from this software
  26  *    without specific prior written permission.
  27  *
  28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  38  * SUCH DAMAGE.
  39  */
  40
  41 #ifndef __SYS_LIBNETBOOT_IODESC_H
  42 #define __SYS_LIBNETBOOT_IODESC_H
  43
  44 #include <net/if_ether.h>               /* for ETHER_ADDR_LEN */
  45
  46 #ifdef _STANDALONE
  47 /*
  48  * libsa code uses the following types to avoid 64 bit time_t:
  49  *
  50  * satime_t:
  51  *      numbers in seconds returned by the machine dependent getsecs() function
  52  *      which are used to measure relative time
  53  *
  54  * saseconds_t:
  55  *      numbers in seconds used to specify timeout to network drivers
  56  *
  57  */
  58 typedef unsigned int    satime_t;
  59 typedef int             saseconds_t;
  60 #else
  61 typedef time_t          satime_t;
  62 typedef time_t          saseconds_t;
  63 #endif
  64
  65 struct iodesc {
  66         struct  in_addr destip;         /* dest. ip addr, net order */
  67         struct  in_addr myip;           /* local ip addr, net order */
  68         u_short destport;               /* dest. port, net order */
  69         u_short myport;                 /* local port, net order */
  70         u_long  xid;                    /* transaction identification */
  71         u_char  myea[ETHER_ADDR_LEN];   /* my ethernet address */
  72         void    *io_netif;
  73 };
  74
  75 struct iodesc   *socktodesc(int);
  76 ssize_t         netif_get(struct iodesc *, void *, size_t, saseconds_t);
  77 ssize_t         netif_put(struct iodesc *, void *, size_t);
  78
  79 #endif /* __SYS_LIBNETBOOT_IODESC_H */