www.pudn.com > ucos+net.zip > neticmp.h

 
 
/* 
 * Interface Control Message Protocol Definitions. 
 * Per RFC 792, September 1981. 
 */ 
 
 
#ifndef NETICMP_H 
#define NETICMP_H 
 
 
#define ICMP_MINLEN     8                               /* abs minimum */ 
 
  
  
/* 
 * Definition of type and code field values. 
 */ 
#define ICMP_ECHOREPLY              0       /* echo reply */ 
#define ICMP_UNREACH                3       /* dest unreachable, codes: */ 
#define ICMP_UNREACH_NET            0       /* bad net */ 
#define ICMP_UNREACH_HOST           1       /* bad host */ 
#define ICMP_UNREACH_PROTOCOL       2       /* bad protocol */ 
#define ICMP_UNREACH_PORT           3       /* bad port */ 
#define ICMP_UNREACH_NEEDFRAG       4       /* IP_DF caused drop */ 
#define ICMP_UNREACH_SRCFAIL        5       /* src route failed */ 
#define ICMP_UNREACH_NET_UNKNOWN    6       /* unknown net */ 
#define ICMP_UNREACH_HOST_UNKNOWN   7       /* unknown host */ 
#define ICMP_UNREACH_ISOLATED       8       /* src host isolated */ 
#define ICMP_UNREACH_NET_PROHIB     9       /* prohibited access */ 
#define ICMP_UNREACH_HOST_PROHIB    10      /* ditto */ 
#define ICMP_UNREACH_TOSNET         11      /* bad tos for net */ 
#define ICMP_UNREACH_TOSHOST        12      /* bad tos for host */ 
#define ICMP_SOURCEQUENCH           4       /* packet lost, slow down */ 
#define ICMP_REDIRECT               5       /* shorter route, codes: */ 
#define ICMP_REDIRECT_NET           0       /* for network */ 
#define ICMP_REDIRECT_HOST          1       /* for host */ 
#define ICMP_REDIRECT_TOSNET        2       /* for tos and net */ 
#define ICMP_REDIRECT_TOSHOST       3       /* for tos and host */ 
#define ICMP_ECHO                   8       /* echo service */ 
#define ICMP_ROUTERADVERT           9       /* router advertisement */ 
#define ICMP_ROUTERSOLICIT          10      /* router solicitation */ 
#define ICMP_TIMXCEED               11      /* time exceeded, code: */ 
#define ICMP_TIMXCEED_INTRANS       0       /* ttl==0 in transit */ 
#define ICMP_TIMXCEED_REASS         1       /* ttl==0 in reass */ 
#define ICMP_PARAMPROB              12      /* ip header bad */ 
#define ICMP_PARAMPROB_OPTABSENT    1       /* req. opt. absent */ 
#define ICMP_TSTAMP                 13      /* timestamp request */ 
#define ICMP_TSTAMPREPLY            14      /* timestamp reply */ 
#define ICMP_IREQ                   15      /* information request */ 
#define ICMP_IREQREPLY              16      /* information reply */ 
#define ICMP_MASKREQ                17      /* address mask request */ 
#define ICMP_MASKREPLY              18      /* address mask reply */ 
 
#define ICMP_MAXTYPE                18 
 
 
 
 
 
/* 
 * Variables related to this implementation 
 * of the internet control message protocol. 
 */ 
typedef struct { 
/* statistics related to icmp packets generated */ 
    u_int   icps_error;         /* # of calls to icmp_error */ 
    u_int   icps_oldshort;      /* no error 'cuz old ip too short */ 
    u_int   icps_oldicmp;       /* no error 'cuz old was icmp */ 
    u_int   icps_outhist[ICMP_MAXTYPE + 1]; 
/* statistics related to input messages processed */ 
    u_int   icps_badcode;       /* icmp_code out of range */ 
    u_int   icps_tooshort;      /* packet < ICMP_MINLEN */ 
    u_int   icps_checksum;      /* bad checksum */ 
    u_int   icps_badlen;        /* calculated bound mismatch */ 
    u_int   icps_reflect;       /* number of responses */ 
    u_int   icps_inhist[ICMP_MAXTYPE + 1]; 
} IcmpStats; 
     
#endif