net/tcp/icmp.h

/* */
   1 /* Internet Control Message Protocol (ICMP) header file */
   2 
   3 /* $Id: icmp.h,v 0.8.4.2 1992/11/15 14:55:30 bir7 Exp $ */
   4 /* $Log: icmp.h,v $
   5  * Revision 0.8.4.2  1992/11/15  14:55:30  bir7
   6  * Remove ctrl-h so diff no longer thinks it's a binary file.
   7  *
   8  * Revision 0.8.4.1  1992/11/10  00:17:18  bir7
   9  * version change only.
  10  *
  11  * Revision 0.8.3.2  1992/11/10  00:14:47  bir7
  12  * Changed malloc to kmalloc and added Id and Log
  13  *
  14  */
  15 
  16 #define ICMP_ECHOREPLY          0
  17 #define ICMP_DEST_UNREACH       3
  18 #define ICMP_SOURCE_QUENCH      4
  19 #define ICMP_REDIRECT           5
  20 #define ICMP_ECHO               8
  21 #define ICMP_TIME_EXCEEDED     11
  22 #define ICMP_PARAMETERPROB     12
  23 #define ICMP_TIMESTAMP         13
  24 #define ICMP_TIMESTAMPREPLY    14
  25 #define ICMP_INFO_REQUEST      15
  26 #define ICMP_INFO_REPLY        16
  27 
  28 
  29 /* used by unreachable. */
  30 
  31 #define ICMP_NET_UNREACH        0
  32 #define ICMP_HOST_UNREACH       1
  33 #define ICMP_PROT_UNREACH       2
  34 #define ICMP_PORT_UNREACH       3 /* lots of room for confusion. */
  35 #define ICMP_FRAG_NNEDED        4
  36 #define ICMP_SR_FAILED          5
  37 #define ICMP_NET_UNKNOWN        6
  38 #define ICMP_HOST_UNKNOWN       7
  39 #define ICMP_HOST_ISOLATED      8
  40 #define ICMP_NET_ANO            9
  41 #define ICMP_HOST_ANO          10
  42 #define ICMP_NET_UNR_TOS       11
  43 #define ICMP_HOST_UNR_TOS      12
  44 
  45 
  46 struct icmp_header
  47 {
  48         unsigned char type;
  49         unsigned char code;
  50         unsigned short checksum;
  51         union 
  52           {
  53              struct
  54                {
  55                   unsigned short id;
  56                   unsigned short sequence;
  57                } echo;
  58              unsigned long gateway;
  59           } un;
  60 };
  61 
  62 struct icmp_err 
  63 {
  64    int errno;
  65    unsigned fatal:1;
  66 };
  67 
  68 extern struct icmp_err icmp_err_convert[];
  69 
  70 int
  71 icmp_rcv(struct sk_buff *skb, struct device *dev, struct options *opt,
  72         unsigned long daddr, unsigned short len,
  73         unsigned long saddr, int redo, struct ip_protocol *protocol);
  74 
  75 void
  76 icmp_reply (struct sk_buff *skb_in,  int type, int code, struct device *dev);
/* */
root/net/tcp/icmp.h

INCLUDED FROM
