root/net/tcp/pack_type.c

/* */

   1 /* pack_type.c - implements raw packet sockets. */
   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 
  23 #include <linux/stddef.h>
  24 #include "dev.h"
  25 #include "eth.h"
  26 
  27 extern int arp_rcv (struct sk_buff *skb, struct device *dev,
  28                     struct packet_type *pt);
  29 
  30 static struct packet_type arp_packet_type=
  31 {
  32    NET16(ETHERTYPE_ARP),
  33    0, /* copy */
  34    arp_rcv,
  35    NULL,
  36    NULL /* next */
  37 };
  38 
  39 extern int ip_rcv (struct sk_buff *skb, struct device *dev,
  40                    struct packet_type *pt);
  41 
  42 static struct packet_type ip_packet_type=
  43 {
  44    NET16(ETHERTYPE_IP),
  45    0, /* copy */
  46    ip_rcv,
  47    NULL,
  48    &arp_packet_type
  49 };
  50    
  51 struct packet_type *ptype_base = &ip_packet_type;
  52 
  53 
  54 
  55 
  56 

/* */