root/net/tcp/arp.h

/* [previous][next][first][last][top][bottom][index][help] */

INCLUDED FROM


   1 /* arp.h */
   2 /*
   3     Copyright (C) 1992  Ross Biro
   4 
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2, or (at your option)
   8     any later version.
   9 
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14 
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
  18 
  19     The Author may be reached as bir7@leland.stanford.edu or
  20     C/O Department of Mathematics; Stanford University; Stanford, CA 94305
  21 */
  22 /* $Id: arp.h,v 0.8.4.2 1992/11/15 14:55:30 bir7 Exp $ */
  23 /* $Log: arp.h,v $
  24  * Revision 0.8.4.2  1992/11/15  14:55:30  bir7
  25  * make arp_q global so sock.c can mess with it.
  26  *
  27  * Revision 0.8.4.1  1992/11/10  00:17:18  bir7
  28  * version change only.
  29  *
  30  * Revision 0.8.3.2  1992/11/10  00:14:47  bir7
  31  * Changed malloc to kmalloc and added $iId$ and $Log: arp.h,v $
  32  * Revision 0.8.4.2  1992/11/15  14:55:30  bir7
  33  * make arp_q global so sock.c can mess with it.
  34  *
  35  * Revision 0.8.4.1  1992/11/10  00:17:18  bir7
  36  * version change only.
  37  *.
  38  * */
  39 
  40 #ifndef _TCP_ARP_H
  41 #define _TCP_ARP_H
  42 
  43 struct arp
  44 {
  45   unsigned short hrd;
  46   unsigned short pro;
  47   unsigned char hlen;
  48   unsigned char plen;
  49   unsigned short op;
  50 };
  51 
  52 
  53 struct arp_table
  54 {
  55   struct arp_table *next;
  56   unsigned long last_used;
  57   unsigned long ip;
  58   unsigned char hlen;
  59   unsigned char hard[MAX_ADDR_LEN];
  60 };
  61 
  62 struct sk_buff *arp_q;
  63 
  64 int arp_rcv(struct sk_buff *, struct device *, struct packet_type *);
  65 void arp_snd (unsigned long, struct device *, unsigned long);
  66 int arp_find (unsigned char *, unsigned long, struct device *dev,
  67               unsigned long);
  68 void arp_add_broad (unsigned long, struct device *dev);
  69 void arp_destroy (unsigned long);
  70 void arp_add (unsigned long addr, unsigned char *haddr, struct device *dev);
  71 void arp_queue (struct sk_buff *skb);
  72 
  73 #define ARP_TABLE_SIZE 16
  74 #define ARP_IP_PROT ETHERTYPE_IP
  75 #define ARP_REQUEST 1
  76 #define ARP_REPLY 2
  77 #define ARP_TIMEOUT 8640000 /* about 8 hours. */
  78 #define ARP_RES_TIME 250 /* 2.5 seconds. */
  79 #endif

/* [previous][next][first][last][top][bottom][index][help] */