root / lab4 / .minix-src / include / net / gen / icmp_hdr.h @ 13
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| 1 | 13 | up20180614 | /*
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| 2 | server/ip/gen/icmp_hdr.h
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| 3 | */
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| 4 | |||
| 5 | #ifndef __SERVER__IP__GEN__ICMP_HDR_H__
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| 6 | #define __SERVER__IP__GEN__ICMP_HDR_H__
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| 7 | |||
| 8 | typedef struct icmp_id_seq |
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| 9 | {
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| 10 | u16_t iis_id, iis_seq; |
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| 11 | } icmp_id_seq_t; |
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| 12 | |||
| 13 | typedef struct icmp_ip_id |
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| 14 | {
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| 15 | ip_hdr_t iii_hdr; |
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| 16 | /* ip_hdr_options and 64 bytes of data */
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| 17 | } icmp_ip_id_t; |
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| 18 | |||
| 19 | typedef struct icmp_ram /* RFC 1256 */ |
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| 20 | {
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| 21 | u8_t iram_na; |
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| 22 | u8_t iram_aes; |
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| 23 | u16_t iram_lt; |
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| 24 | } icmp_ram_t; |
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| 25 | |||
| 26 | typedef struct icmp_pp |
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| 27 | {
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| 28 | u8_t ipp_ptr; |
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| 29 | u8_t ipp_unused[3];
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| 30 | } icmp_pp_t; |
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| 31 | |||
| 32 | typedef struct icmp_mtu /* RFC 1191 */ |
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| 33 | {
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| 34 | u16_t im_unused; |
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| 35 | u16_t im_mtu; |
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| 36 | } icmp_mtu_t; |
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| 37 | |||
| 38 | typedef struct icmp_hdr |
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| 39 | {
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| 40 | u8_t ih_type, ih_code; |
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| 41 | u16_t ih_chksum; |
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| 42 | union
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| 43 | {
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| 44 | u32_t ihh_unused; |
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| 45 | icmp_id_seq_t ihh_idseq; |
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| 46 | ipaddr_t ihh_gateway; |
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| 47 | icmp_ram_t ihh_ram; |
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| 48 | icmp_pp_t ihh_pp; |
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| 49 | icmp_mtu_t ihh_mtu; |
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| 50 | } ih_hun; |
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| 51 | union
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| 52 | {
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| 53 | icmp_ip_id_t ihd_ipid; |
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| 54 | u8_t uhd_data[1];
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| 55 | } ih_dun; |
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| 56 | } icmp_hdr_t; |
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| 57 | |||
| 58 | #endif /* __SERVER__IP__GEN__ICMP_HDR_H__ */ |
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| 59 | |||
| 60 | /*
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| 61 | * $PchId: icmp_hdr.h,v 1.5 2002/06/10 07:10:48 philip Exp $
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| 62 | */ |