net/tcp/arp.h

/* */
   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 0.8.4.4 1993/01/23 18:00:11 bir7 Exp $ */
  23 /* $Log: arp.h,v $
  24  * Revision 0.8.4.4  1993/01/23  18:00:11  bir7
  25  * Added ioctls as supplied by R.P. Bellis <rpb@psy.ox.ac.uk>
  26  *
  27  * Revision 0.8.4.3  1992/12/03  19:54:12  bir7
  28  * Added paranoid queue checking.
  29  *
  30  * Revision 0.8.4.2  1992/11/15  14:55:30  bir7
  31  * make arp_q global so sock.c can mess with it.
  32  *
  33  * Revision 0.8.4.1  1992/11/10  00:17:18  bir7
  34  * version change only.
  35  *
  36  * Revision 0.8.3.2  1992/11/10  00:14:47  bir7
  37  * Changed malloc to kmalloc and added $iId$ and $Log: arp.h,v $
  38  * Revision 0.8.4.4  1993/01/23  18:00:11  bir7
  39  * Added ioctls as supplied by R.P. Bellis <rpb@psy.ox.ac.uk>
  40  *
  41  * Revision 0.8.4.3  1992/12/03  19:54:12  bir7
  42  * Added paranoid queue checking.
  43  *
  44  * Revision 0.8.4.2  1992/11/15  14:55:30  bir7
  45  * make arp_q global so sock.c can mess with it.
  46  *
  47  * Revision 0.8.4.1  1992/11/10  00:17:18  bir7
  48  * version change only.
  49  *.
  50  * */
  51 
  52 #ifndef _TCP_ARP_H
  53 #define _TCP_ARP_H
  54 
  55 struct arp
  56 {
  57   unsigned short hrd;
  58   unsigned short pro;
  59   unsigned char hlen;
  60   unsigned char plen;
  61   unsigned short op;
  62 };
  63 
  64 
  65 struct arp_table
  66 {
  67   volatile struct arp_table *next;
  68   volatile unsigned long last_used;
  69   unsigned long ip;
  70   unsigned char hlen;
  71   unsigned char hard[MAX_ADDR_LEN];
  72 };
  73 
  74 volatile struct sk_buff *arp_q;
  75 
  76 int arp_rcv(struct sk_buff *, struct device *, struct packet_type *);
  77 void arp_snd (unsigned long, struct device *, unsigned long);
  78 int arp_find (unsigned char *, unsigned long, struct device *dev,
  79               unsigned long);
  80 void arp_add_broad (unsigned long, struct device *dev);
  81 void arp_destroy (unsigned long);
  82 void arp_add (unsigned long addr, unsigned char *haddr, struct device *dev);
  83 void arp_queue (struct sk_buff *skb);
  84 
  85 int arp_ioctl_set(struct arpreq *req);
  86 int arp_ioctl_get(struct arpreq *req);
  87 int arp_ioctl_del(struct arpreq *req);
  88 
  89 #define ARP_TABLE_SIZE 16
  90 #define ARP_IP_PROT ETHERTYPE_IP
  91 #define ARP_REQUEST 1
  92 #define ARP_REPLY 2
  93 #define ARP_TIMEOUT 8640000 /* about 8 hours. */
  94 #define ARP_RES_TIME 250 /* 2.5 seconds. */
  95 
  96 #define ARP_QUEUE_MAGIC 0x0432447A
  97 
  98 #endif
/* */
root/net/tcp/arp.h

INCLUDED FROM
