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authorEric Andersen <andersen@codepoet.org>2000-07-06 19:22:49 +0000
committerEric Andersen <andersen@codepoet.org>2000-07-06 19:22:49 +0000
commitffb96c090015f49059d146deefbbd7e1f6baa642 (patch)
tree53229e8793e289f18a7453b144850b6583078c32 /include/netinet/ip.h
parentafb85e9d6ca1de8f1ecb267e8c30b88ba4382820 (diff)
Some more major updates to further superate ucLibc from the kernel
headers (the way it has been done in GNU libc). -Erik
Diffstat (limited to 'include/netinet/ip.h')
-rw-r--r--include/netinet/ip.h291
1 files changed, 264 insertions, 27 deletions
diff --git a/include/netinet/ip.h b/include/netinet/ip.h
index a6c49b6af..246a56a5d 100644
--- a/include/netinet/ip.h
+++ b/include/netinet/ip.h
@@ -1,39 +1,276 @@
-#ifndef _NETINET_IP_H
-#define _NETINET_IP_H
+/* Copyright (C) 1991, 92, 93, 95, 96, 97, 98 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. 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>
-#include <linux/ip.h>
-#ifdef _BSD_SOURCE
+__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 ip_options
+ {
+ u_int32_t faddr; /* Saved first hop address */
+ u_int8_t optlen;
+ u_int8_t srr;
+ u_int8_t rr;
+ u_int8_t ts;
+ unsigned int is_setbyuser:1; /* Set by setsockopt? */
+ unsigned int is_data:1; /* Options in __data, rather than skb */
+ unsigned int is_strictroute:1; /* Strict source route */
+ unsigned int srr_is_hit:1; /* Packet destination addr was our one */
+ unsigned int is_changed:1; /* IP checksum more not valid */
+ unsigned int rr_needaddr:1; /* Need to record addr of outgoing dev */
+ unsigned int ts_needtime:1; /* Need to record timestamp */
+ unsigned int ts_needaddr:1; /* Need to record addr of outgoing dev */
+ u_int8_t router_alert;
+ u_int8_t __pad1;
+ u_int8_t __pad2;
+#ifdef __GNUC__
+ u_int8_t __data[0];
+#endif
+ };
+
+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
/*
- * BSD has the following structure
+ * Copyright (c) 1982, 1986, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)ip.h 8.1 (Berkeley) 6/10/93
+ */
+
+/*
+ * Definitions for internet protocol version 4.
+ * Per RFC 791, September 1981.
+ */
+
+/*
+ * Structure of an internet header, naked of options.
*/
-
struct ip
-{
-#if defined(__LITTLE_ENDIAN_BITFIELD)
- __u8 ip_hl:4,
- ip_v:4;
-#else
- __u8 ip_v:4,
- ip_hl:4;
+ {
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+ unsigned int ip_hl:4; /* header length */
+ unsigned int ip_v:4; /* version */
+#endif
+#if __BYTE_ORDER == __BIG_ENDIAN
+ unsigned int ip_v:4; /* version */
+ unsigned int ip_hl:4; /* header length */
#endif
-#define IPVERSION 4
- __u8 ip_tos;
- __u16 ip_len;
- __u16 ip_id;
- __u16 ip_off;
- __u8 ip_ttl;
- __u8 ip_p;
- __u16 ip_csum;
- struct in_addr ip_src,ip_dst;
-};
-
-#define IP_DF 0x4000 /* dont fragment flag */
-#define IP_MF 0x2000 /* more fragments flag */
+ 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_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
+#define IPTOS_LOWCOST 0x02
+#define IPTOS_MINCOST IPTOS_LOWCOST
+
+/*
+ * 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
+#define IPTOS_PREC_FLASHOVERRIDE 0x80
+#define IPTOS_PREC_FLASH 0x60
+#define IPTOS_PREC_IMMEDIATE 0x40
+#define IPTOS_PREC_PRIORITY 0x20
+#define IPTOS_PREC_ROUTINE 0x00
+
+/*
+ * Definitions for options.
+ */
+#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.
+ */
+#define IPOPT_OPTVAL 0 /* option ID */
+#define IPOPT_OLEN 1 /* option length */
+#define IPOPT_OFFSET 2 /* offset within option */
+#define IPOPT_MINOFF 4 /* min value of above */
+
+#define MAX_IPOPTLEN 40
+
+/* flag bits for ipt_flg */
+#define IPOPT_TS_TSONLY 0 /* timestamps only */
+#define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */
+#define IPOPT_TS_PRESPEC 3 /* specified modules only */
+
+/* bits for security (not byte swapped) */
+#define IPOPT_SECUR_UNCLASS 0x0000
+#define IPOPT_SECUR_CONFID 0xf135
+#define IPOPT_SECUR_EFTO 0x789a
+#define IPOPT_SECUR_MMMM 0xbc4d
+#define IPOPT_SECUR_RESTR 0xaf13
+#define IPOPT_SECUR_SECRET 0xd788
+#define IPOPT_SECUR_TOPSECRET 0x6bc5
+
+/*
+ * Internet implementation parameters.
+ */
+#define MAXTTL 255 /* maximum time to live (seconds) */
+#define IPDEFTTL 64 /* default ttl, from RFC 1340 */
+#define IPFRAGTTL 60 /* time to live for frags, slowhz */
+#define IPTTLDEC 1 /* subtracted when forwarding */
+
+#define IP_MSS 576 /* default maximum segment size */
+
+__END_DECLS
-#endif /* _NETINET_IP_H */
+#endif /* netinet/ip.h */