diff options
Diffstat (limited to 'ip.h')
| -rw-r--r-- | ip.h | 36 |
1 files changed, 18 insertions, 18 deletions
@@ -1,4 +1,3 @@ -/* @(#) $Header: /tcpdump/master/tcpdump/ip.h,v 1.12 2007-09-14 01:29:28 guy Exp $ (LBL) */ /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. @@ -34,6 +33,9 @@ * @(#)ip.h 8.2 (Berkeley) 6/1/94 */ +#ifndef TCPDUMP_IP_H +#define TCPDUMP_IP_H + /* * Definitions for internet protocol version 4. * Per RFC 791, September 1981. @@ -48,19 +50,19 @@ * against negative integers quite easily, and fail in subtle ways. */ struct ip { - u_int8_t ip_vhl; /* header length, version */ + uint8_t ip_vhl; /* header length, version */ #define IP_V(ip) (((ip)->ip_vhl & 0xf0) >> 4) #define IP_HL(ip) ((ip)->ip_vhl & 0x0f) - u_int8_t ip_tos; /* type of service */ - u_int16_t ip_len; /* total length */ - u_int16_t ip_id; /* identification */ - u_int16_t ip_off; /* fragment offset field */ + uint8_t ip_tos; /* type of service */ + uint16_t ip_len; /* total length */ + uint16_t ip_id; /* identification */ + uint16_t ip_off; /* fragment offset field */ #define IP_DF 0x4000 /* dont fragment flag */ #define IP_MF 0x2000 /* more fragments flag */ #define IP_OFFMASK 0x1fff /* mask for fragmenting bits */ - u_int8_t ip_ttl; /* time to live */ - u_int8_t ip_p; /* protocol */ - u_int16_t ip_sum; /* checksum */ + uint8_t ip_ttl; /* time to live */ + uint8_t ip_p; /* protocol */ + uint16_t ip_sum; /* checksum */ struct in_addr ip_src,ip_dst; /* source and dest address */ } UNALIGNED; @@ -121,17 +123,17 @@ struct ip { * Time stamp option structure. */ struct ip_timestamp { - u_int8_t ipt_code; /* IPOPT_TS */ - u_int8_t ipt_len; /* size of structure (variable) */ - u_int8_t ipt_ptr; /* index of current entry */ - u_int8_t ipt_oflwflg; /* flags, overflow counter */ + uint8_t ipt_code; /* IPOPT_TS */ + uint8_t ipt_len; /* size of structure (variable) */ + uint8_t ipt_ptr; /* index of current entry */ + uint8_t ipt_oflwflg; /* flags, overflow counter */ #define IPTS_OFLW(ip) (((ipt)->ipt_oflwflg & 0xf0) >> 4) #define IPTS_FLG(ip) ((ipt)->ipt_oflwflg & 0x0f) union ipt_timestamp { - u_int32_t ipt_time[1]; + uint32_t ipt_time[1]; struct ipt_ta { struct in_addr ipt_addr; - u_int32_t ipt_time; + uint32_t ipt_time; } ipt_ta[1]; } ipt_timestamp; } UNALIGNED; @@ -159,6 +161,4 @@ struct ip_timestamp { #define IPTTLDEC 1 /* subtracted when forwarding */ #define IP_MSS 576 /* default maximum segment size */ - -/* in print-ip.c */ -extern int nextproto4_cksum(const struct ip *, const u_int8_t *, u_int, u_int); +#endif /* TCPDUMP_IP_H */ |
