*
* @APPLE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
-/* $KAME: ip6.h,v 1.6 2000/02/26 12:53:07 jinmei Exp $ */
+/* $KAME: ip6.h,v 1.18 2001/03/29 05:34:30 itojun Exp $*/
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
#ifndef _NETINET_IP6_H_
#define _NETINET_IP6_H_
+#include <sys/appleapiopts.h>
/*
* Definition for internet protocol version 6.
} ip6_ctlun;
struct in6_addr ip6_src; /* source address */
struct in6_addr ip6_dst; /* destination address */
-};
+} __attribute__((__packed__));
#define ip6_vfc ip6_ctlun.ip6_un2_vfc
#define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow
*/
struct ip6_ext {
- u_char ip6e_nxt;
- u_char ip6e_len;
-};
+ u_int8_t ip6e_nxt;
+ u_int8_t ip6e_len;
+} __attribute__((__packed__));
/* Hop-by-Hop options header */
/* XXX should we pad it to force alignment on an 8-byte boundary? */
u_int8_t ip6h_nxt; /* next header */
u_int8_t ip6h_len; /* length in units of 8 octets */
/* followed by options */
-};
+} __attribute__((__packed__));
/* Destination options header */
/* XXX should we pad it to force alignment on an 8-byte boundary? */
u_int8_t ip6d_nxt; /* next header */
u_int8_t ip6d_len; /* length in units of 8 octets */
/* followed by options */
-};
+} __attribute__((__packed__));
/* Option types and related macros */
#define IP6OPT_PAD1 0x00 /* 00 0 00000 */
#define IP6OPT_NSAP_ADDR 0xC3 /* 11 0 00011 */
#define IP6OPT_TUNNEL_LIMIT 0x04 /* 00 0 00100 */
#define IP6OPT_RTALERT 0x05 /* 00 0 00101 (KAME definition) */
-#define IP6OPT_ROUTER_ALERT 0x05 /* (2292bis def, recommended) */
#define IP6OPT_RTALERT_LEN 4
#define IP6OPT_RTALERT_MLD 0 /* Datagram contains an MLD message */
#define IP6OPT_RTALERT_ACTNET 2 /* contains an Active Networks msg */
#define IP6OPT_MINLEN 2
-#define IP6OPT_BINDING_UPDATE 0xc6 /* 11 0 00110 */
-#define IP6OPT_BINDING_ACK 0x07 /* 00 0 00111 */
-#define IP6OPT_BINDING_REQ 0x08 /* 00 0 01000 */
-#define IP6OPT_HOME_ADDRESS 0xc9 /* 11 0 01001 */
-#define IP6OPT_EID 0x8a /* 10 0 01010 */
+#define IP6OPT_BINDING_UPDATE 0xc6 /* 11 0 00110 */
+#define IP6OPT_BINDING_ACK 0x07 /* 00 0 00111 */
+#define IP6OPT_BINDING_REQ 0x08 /* 00 0 01000 */
+#define IP6OPT_HOME_ADDRESS 0xc9 /* 11 0 01001 */
+#define IP6OPT_EID 0x8a /* 10 0 01010 */
#define IP6OPT_TYPE(o) ((o) & 0xC0)
#define IP6OPT_TYPE_SKIP 0x00
#define IP6OPT_MUTABLE 0x20
-/* IPv6 options: common part */
-struct ip6_opt {
- u_int8_t ip6o_type;
- u_int8_t ip6o_len;
-};
-
-/* Jumbo Payload Option */
-struct ip6_opt_jumbo {
- u_int8_t ip6oj_type;
- u_int8_t ip6oj_len;
- u_int8_t ip6oj_jumbo_len[4];
-};
-#define IP6OPT_JUMBO_LEN 6
-
-/* NSAP Address Option */
-struct ip6_opt_nsap {
- u_int8_t ip6on_type;
- u_int8_t ip6on_len;
- u_int8_t ip6on_src_nsap_len;
- u_int8_t ip6on_dst_nsap_len;
- /* followed by source NSAP */
- /* followed by destination NSAP */
-};
-
-/* Tunnel Limit Option */
-struct ip6_opt_tunnel {
- u_int8_t ip6ot_type;
- u_int8_t ip6ot_len;
- u_int8_t ip6ot_encap_limit;
-};
-
-/* Router Alert Option */
-struct ip6_opt_router {
- u_int8_t ip6or_type;
- u_int8_t ip6or_len;
- u_int8_t ip6or_value[2];
-};
-/* Router alert values (in network byte order) */
-#if BYTE_ORDER == BIG_ENDIAN
-#define IP6_ALERT_MLD 0x0000
-#define IP6_ALERT_RSVP 0x0001
-#define IP6_ALERT_AN 0x0002
-#else
-#if BYTE_ORDER == LITTLE_ENDIAN
-#define IP6_ALERT_MLD 0x0000
-#define IP6_ALERT_RSVP 0x0100
-#define IP6_ALERT_AN 0x0200
-#endif /* LITTLE_ENDIAN */
-#endif
-
-/* Binding Update Option */
-struct ip6_opt_binding_update {
- u_int8_t ip6ou_type;
- u_int8_t ip6ou_len;
- u_int8_t ip6ou_flags;
- u_int8_t ip6ou_prefixlen;
- u_int8_t ip6ou_seqno[2];
- u_int8_t ip6ou_lifetime[4];
- u_int8_t ip6ou_coa[16];/* Optional based on flags */
- /* followed by sub-options */
-};
-
-/* Binding Update Flags */
-#define IP6_BUF_ACK 0x80 /* Request a binding ack */
-#define IP6_BUF_HOME 0x40 /* Home Registration */
-#define IP6_BUF_COA 0x20 /* Care-of-address present in option */
-#define IP6_BUF_ROUTER 0x10 /* Sending mobile node is a router */
-
-/* Binding Ack Option */
-struct ip6_opt_binding_ack {
- u_int8_t ip6oa_type;
- u_int8_t ip6oa_len;
- u_int8_t ip6oa_status;
- u_int8_t ip6oa_seqno[2];
- u_int8_t ip6oa_lifetime[4];
- u_int8_t ip6oa_refresh[4];
- /* followed by sub-options */
-};
-
-/* Binding Request Option */
-struct ip6_opt_binding_request {
- u_int8_t ip6or_type;
- u_int8_t ip6or_len;
- /* followed by sub-options */
-};
-
-/* Home Address Option */
-struct ip6_opt_home_address {
- u_int8_t ip6oh_type;
- u_int8_t ip6oh_len;
- u_int8_t ip6oh_addr[16];/* Home Address */
- /* followed by sub-options */
-};
+#define IP6OPT_JUMBO_LEN 6
/* Routing header */
struct ip6_rthdr {
u_int8_t ip6r_type; /* routing type */
u_int8_t ip6r_segleft; /* segments left */
/* followed by routing type specific data */
-};
+} __attribute__((__packed__));
/* Type 0 Routing header */
struct ip6_rthdr0 {
u_int8_t ip6r0_len; /* length in units of 8 octets */
u_int8_t ip6r0_type; /* always zero */
u_int8_t ip6r0_segleft; /* segments left */
- u_int32_t ip6r0_reserved; /* reserved field */
- /* followed by up to 127 struct in6_addr */
-
-#ifdef COMPAT_RFC2292
- struct in6_addr ip6r0_addr[1]; /* up to 127 addresses */
-#endif
-};
+ u_int8_t ip6r0_reserved; /* reserved field */
+ u_int8_t ip6r0_slmap[3]; /* strict/loose bit map */
+ struct in6_addr ip6r0_addr[1]; /* up to 23 addresses */
+} __attribute__((__packed__));
/* Fragment header */
struct ip6_frag {
u_int8_t ip6f_reserved; /* reserved field */
u_int16_t ip6f_offlg; /* offset, reserved, and flag */
u_int32_t ip6f_ident; /* identification */
-};
+} __attribute__((__packed__));
#if BYTE_ORDER == BIG_ENDIAN
#define IP6F_OFF_MASK 0xfff8 /* mask out offset from _offlg */
#define IPV6_MAXPACKET 65535 /* ip6 max packet size without Jumbo payload*/
#ifdef KERNEL
+#ifdef __APPLE_API_PRIVATE
/*
* IP6_EXTHDR_CHECK ensures that region between the IP6 header and the
* target header (including IPv6 itself, extension headers and
return ret; \
} \
} \
- } \
- else { \
+ } else { \
if ((m)->m_len < (off) + (hlen)) { \
ip6stat.ip6s_tooshort++; \
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated); \
do { \
struct mbuf *t; \
int tmp; \
- ip6stat.ip6s_exthdrget++; \
if ((m)->m_len >= (off) + (len)) \
(val) = (typ)(mtod((m), caddr_t) + (off)); \
else { \
#define IP6_EXTHDR_GET0(val, typ, m, off, len) \
do { \
struct mbuf *t; \
- ip6stat.ip6s_exthdrget0++; \
if ((off) == 0) \
(val) = (typ)mtod(m, caddr_t); \
else { \
} \
} \
} while (0)
+#endif /* __APPLE_API_PRIVATE */
#endif /*KERNEL*/
#endif /* not _NETINET_IP6_H_ */
projects / apple / xnu.git / blobdiff