loop-uh
5e1409131e
Cross compiled by llvm-mingw (nfq2/winnative/build.sh). Upstream sources are not changed: a force-included header emulates the cygwin environment, compat.c replaces the cygwin runtime (utf-8 file api, path conversion, command line and @file parsing identical to cygwin, signals, wordexp). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
27 lines
579 B
C
27 lines
579 B
C
// winnative: BSD style ipv4 header
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#pragma once
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#include <netinet/in.h>
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struct ip
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{
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uint8_t ip_hl:4, ip_v:4;
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uint8_t ip_tos;
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uint16_t ip_len;
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uint16_t ip_id;
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uint16_t ip_off;
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#define IP_RF 0x8000
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#define IP_DF 0x4000
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#define IP_MF 0x2000
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#define IP_OFFMASK 0x1fff
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uint8_t ip_ttl;
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uint8_t ip_p;
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uint16_t ip_sum;
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struct in_addr ip_src, ip_dst;
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} __attribute__((packed));
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#define IPVERSION 4
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#define MAXTTL 255
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#define IPDEFTTL 64
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#define IPTOS_ECN_MASK 0x03
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#define IPTOS_ECN_NOT_ECT 0x00
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#define IPTOS_ECN_ECT1 0x01
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#define IPTOS_ECN_ECT0 0x02
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#define IPTOS_ECN_CE 0x03
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