1 /* 2 server/ip/gen/icmp_hdr.h 3 */ 4 5 #ifndef __SERVER__IP__GEN__ICMP_HDR_H__ 6 #define __SERVER__IP__GEN__ICMP_HDR_H__ 7 8 typedef struct icmp_id_seq 9 { 10 u16_t iis_id, iis_seq; 11 } icmp_id_seq_t; 12 13 typedef struct icmp_ip_id 14 { 15 ip_hdr_t iii_hdr; 16 /* ip_hdr_options and 64 bytes of data */ 17 } icmp_ip_id_t; 18 19 typedef struct icmp_ram /* RFC 1256 */ 20 { 21 u8_t iram_na; 22 u8_t iram_aes; 23 u16_t iram_lt; 24 } icmp_ram_t; 25 26 typedef struct icmp_pp 27 { 28 u8_t ipp_ptr; 29 u8_t ipp_unused[3]; 30 } icmp_pp_t; 31 32 typedef struct icmp_mtu /* RFC 1191 */ 33 { 34 u16_t im_unused; 35 u16_t im_mtu; 36 } icmp_mtu_t; 37 38 typedef struct icmp_hdr 39 { 40 u8_t ih_type, ih_code; 41 u16_t ih_chksum; 42 union 43 { 44 u32_t ihh_unused; 45 icmp_id_seq_t ihh_idseq; 46 ipaddr_t ihh_gateway; 47 icmp_ram_t ihh_ram; 48 icmp_pp_t ihh_pp; 49 icmp_mtu_t ihh_mtu; 50 } ih_hun; 51 union 52 { 53 icmp_ip_id_t ihd_ipid; 54 u8_t uhd_data[1]; 55 } ih_dun; 56 } icmp_hdr_t; 57 58 #endif /* __SERVER__IP__GEN__ICMP_HDR_H__ */ 59 60 /* 61 * $PchId: icmp_hdr.h,v 1.5 2002/06/10 07:10:48 philip Exp $ 62 */ 63