package/ead/src/ead-pcap.h

   1 /*
   2  * Copyright (c) 2001-2003, Adam Dunkels.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote
  14  *    products derived from this software without specific prior
  15  *    written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  23  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  25  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  *
  29  * This file was part of the uIP TCP/IP stack.
  30  *
  31  */
  32 #ifndef __EAD_PCAP_H
  33 #define __EAD_PCAP_H
  34
  35 #include <net/ethernet.h>
  36 #include <stdint.h>
  37 #include "ead.h"
  38
  39 typedef uint8_t u8_t;
  40 typedef uint16_t u16_t;
  41
  42 /* The UDP and IP headers. */
  43 struct ead_packet {
  44   struct ether_header eh;
  45   /* IP header. */
  46   u8_t vhl,
  47     tos,
  48     len[2],
  49     ipid[2],
  50     ipoffset[2],
  51     ttl,
  52     proto;
  53   u16_t ipchksum;
  54   u16_t srcipaddr[2],
  55     destipaddr[2];
  56
  57   /* UDP header. */
  58   u16_t srcport,
  59     destport;
  60   u16_t udplen;
  61   u16_t udpchksum;
  62
  63   struct ead_msg msg;
  64 } __attribute__((packed));
  65
  66 #define UIP_PROTO_UDP  17
  67 #define UIP_IPH_LEN    20    /* Size of IP header */
  68 #define UIP_UDPH_LEN   8    /* Size of UDP header */
  69 #define UIP_IPUDPH_LEN (UIP_UDPH_LEN + UIP_IPH_LEN)
  70
  71 #endif