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/*
server/ip/gen/icmp_hdr.h
*/
#ifndef __SERVER__IP__GEN__ICMP_HDR_H__
#define __SERVER__IP__GEN__ICMP_HDR_H__
typedef struct icmp_id_seq
{
u16_t iis_id, iis_seq;
} icmp_id_seq_t;
typedef struct icmp_ip_id
{
ip_hdr_t iii_hdr;
/* ip_hdr_options and 64 bytes of data */
} icmp_ip_id_t;
typedef struct icmp_ram /* RFC 1256 */
{
u8_t iram_na;
u8_t iram_aes;
u16_t iram_lt;
} icmp_ram_t;
typedef struct icmp_pp
{
u8_t ipp_ptr;
u8_t ipp_unused[3];
} icmp_pp_t;
typedef struct icmp_mtu /* RFC 1191 */
{
u16_t im_unused;
u16_t im_mtu;
} icmp_mtu_t;
typedef struct icmp_hdr
{
u8_t ih_type, ih_code;
u16_t ih_chksum;
union
{
u32_t ihh_unused;
icmp_id_seq_t ihh_idseq;
ipaddr_t ihh_gateway;
icmp_ram_t ihh_ram;
icmp_pp_t ihh_pp;
icmp_mtu_t ihh_mtu;
} ih_hun;
union
{
icmp_ip_id_t ihd_ipid;
u8_t uhd_data[1];
} ih_dun;
} icmp_hdr_t;
#endif /* __SERVER__IP__GEN__ICMP_HDR_H__ */
/*
* $PchId: icmp_hdr.h,v 1.5 2002/06/10 07:10:48 philip Exp $
*/
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