diff options
Diffstat (limited to 'sysdeps/generic/netinet/ip.h')
| -rw-r--r-- | sysdeps/generic/netinet/ip.h | 169 |
1 files changed, 125 insertions, 44 deletions
diff --git a/sysdeps/generic/netinet/ip.h b/sysdeps/generic/netinet/ip.h index b275b6a4ae..fc91440527 100644 --- a/sysdeps/generic/netinet/ip.h +++ b/sysdeps/generic/netinet/ip.h @@ -1,3 +1,71 @@ +/* Copyright (C) 1991,92,93,95,96,97,98,99,2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef __NETINET_IP_H +#define __NETINET_IP_H 1 + +#include <features.h> +#include <sys/types.h> + +#include <netinet/in.h> + +__BEGIN_DECLS + +struct timestamp + { + u_int8_t len; + u_int8_t ptr; +#if __BYTE_ORDER == __LITTLE_ENDIAN + unsigned int flags:4; + unsigned int overflow:4; +#elif __BYTE_ORDER == __BIG_ENDIAN + unsigned int overflow:4; + unsigned int flags:4; +#else +# error "Please fix <bits/endian.h>" +#endif + u_int32_t data[9]; + }; + +struct iphdr + { +#if __BYTE_ORDER == __LITTLE_ENDIAN + unsigned int ihl:4; + unsigned int version:4; +#elif __BYTE_ORDER == __BIG_ENDIAN + unsigned int version:4; + unsigned int ihl:4; +#else +# error "Please fix <bits/endian.h>" +#endif + u_int8_t tos; + u_int16_t tot_len; + u_int16_t id; + u_int16_t frag_off; + u_int8_t ttl; + u_int8_t protocol; + u_int16_t check; + u_int32_t saddr; + u_int32_t daddr; + /*The options start here. */ + }; + +#ifdef __USE_BSD /* * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. All rights reserved. @@ -29,50 +97,66 @@ * @(#)ip.h 8.1 (Berkeley) 6/10/93 */ -#ifndef _NETINET_IP_H -#define _NETINET_IP_H - -#include <bits/types.h> -#include <endian.h> -#include <netinet/in.h> - /* * Definitions for internet protocol version 4. * Per RFC 791, September 1981. */ -#define IPVERSION 4 /* * Structure of an internet header, naked of options. */ -struct ip { +struct ip + { #if __BYTE_ORDER == __LITTLE_ENDIAN - __u_char ip_hl:4, /* header length */ - ip_v:4; /* version */ + unsigned int ip_hl:4; /* header length */ + unsigned int ip_v:4; /* version */ #endif #if __BYTE_ORDER == __BIG_ENDIAN - __u_char ip_v:4, /* version */ - ip_hl:4; /* header length */ + unsigned int ip_v:4; /* version */ + unsigned int ip_hl:4; /* header length */ #endif - __u_char ip_tos; /* type of service */ - __u_short ip_len; /* total length */ - __u_short ip_id; /* identification */ - __u_short ip_off; /* fragment offset field */ + u_int8_t ip_tos; /* type of service */ + u_short ip_len; /* total length */ + u_short ip_id; /* identification */ + u_short ip_off; /* fragment offset field */ #define IP_RF 0x8000 /* reserved fragment flag */ #define IP_DF 0x4000 /* dont fragment flag */ #define IP_MF 0x2000 /* more fragments flag */ #define IP_OFFMASK 0x1fff /* mask for fragmenting bits */ - __u_char ip_ttl; /* time to live */ - __u_char ip_p; /* protocol */ - __u_short ip_sum; /* checksum */ - struct in_addr ip_src, ip_dst; /* source and dest address */ -}; + u_int8_t ip_ttl; /* time to live */ + u_int8_t ip_p; /* protocol */ + u_short ip_sum; /* checksum */ + struct in_addr ip_src, ip_dst; /* source and dest address */ + }; +/* + * 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 */ +#if __BYTE_ORDER == __LITTLE_ENDIAN + unsigned int ipt_flg:4; /* flags, see below */ + unsigned int ipt_oflw:4; /* overflow counter */ +#endif +#if __BYTE_ORDER == __BIG_ENDIAN + unsigned int ipt_oflw:4; /* overflow counter */ + unsigned int ipt_flg:4; /* flags, see below */ +#endif + u_int32_t data[9]; + }; +#endif /* __USE_BSD */ + +#define IPVERSION 4 /* IP version number */ #define IP_MAXPACKET 65535 /* maximum packet size */ /* * Definitions for IP type of service (ip_tos) */ +#define IPTOS_TOS_MASK 0x1E +#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK) #define IPTOS_LOWDELAY 0x10 #define IPTOS_THROUGHPUT 0x08 #define IPTOS_RELIABILITY 0x04 @@ -82,6 +166,8 @@ struct ip { /* * Definitions for IP precedence (also in ip_tos) (hopefully unused) */ +#define IPTOS_PREC_MASK 0xe0 +#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK) #define IPTOS_PREC_NETCONTROL 0xe0 #define IPTOS_PREC_INTERNETCONTROL 0xc0 #define IPTOS_PREC_CRITIC_ECP 0xa0 @@ -94,24 +180,35 @@ struct ip { /* * Definitions for options. */ -#define IPOPT_COPIED(o) ((o)&0x80) -#define IPOPT_CLASS(o) ((o)&0x60) -#define IPOPT_NUMBER(o) ((o)&0x1f) +#define IPOPT_COPY 0x80 +#define IPOPT_CLASS_MASK 0x60 +#define IPOPT_NUMBER_MASK 0x1f + +#define IPOPT_COPIED(o) ((o) & IPOPT_COPY) +#define IPOPT_CLASS(o) ((o) & IPOPT_CLASS_MASK) +#define IPOPT_NUMBER(o) ((o) & IPOPT_NUMBER_MASK) #define IPOPT_CONTROL 0x00 #define IPOPT_RESERVED1 0x20 #define IPOPT_DEBMEAS 0x40 +#define IPOPT_MEASUREMENT IPOPT_DEBMEAS #define IPOPT_RESERVED2 0x60 #define IPOPT_EOL 0 /* end of option list */ +#define IPOPT_END IPOPT_EOL #define IPOPT_NOP 1 /* no operation */ +#define IPOPT_NOOP IPOPT_NOP #define IPOPT_RR 7 /* record packet route */ #define IPOPT_TS 68 /* timestamp */ +#define IPOPT_TIMESTAMP IPOPT_TS #define IPOPT_SECURITY 130 /* provide s,c,h,tcc */ +#define IPOPT_SEC IPOPT_SECURITY #define IPOPT_LSRR 131 /* loose source route */ #define IPOPT_SATID 136 /* satnet id */ +#define IPOPT_SID IPOPT_SATID #define IPOPT_SSRR 137 /* strict source route */ +#define IPOPT_RA 148 /* router alert */ /* * Offsets to fields in options other than EOL and NOP. @@ -123,24 +220,6 @@ struct ip { #define MAX_IPOPTLEN 40 -/* - * Time stamp option structure. - */ -struct ip_timestamp { - __u_char ipt_code; /* IPOPT_TS */ - __u_char ipt_len; /* size of structure (variable) */ - __u_char ipt_ptr; /* index of current entry */ -#if __BYTE_ORDER == __LITTLE_ENDIAN - __u_char ipt_flg:4, /* flags, see below */ - ipt_oflw:4; /* overflow counter */ -#endif -#if __BYTE_ORDER == __BIG_ENDIAN - __u_char ipt_oflw:4, /* overflow counter */ - ipt_flg:4; /* flags, see below */ -#endif - __u_long data[9]; -}; - /* flag bits for ipt_flg */ #define IPOPT_TS_TSONLY 0 /* timestamps only */ #define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */ @@ -165,4 +244,6 @@ struct ip_timestamp { #define IP_MSS 576 /* default maximum segment size */ -#endif /* netinet/ip.h. */ +__END_DECLS + +#endif /* netinet/ip.h */ |