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-rw-r--r--inet/netinet/icmp6.h203
1 files changed, 203 insertions, 0 deletions
diff --git a/inet/netinet/icmp6.h b/inet/netinet/icmp6.h
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+++ b/inet/netinet/icmp6.h
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+/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 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 General Public License as published by
+   the Free Software Foundation; either version 2, 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 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_ICMP6_H
+#define _NETINET_ICMP6_H 1
+
+#include <sys/types.h>
+
+#define ICMPV6_FILTER 1
+
+#define ICMPV6_FILTER_BLOCK		1
+#define ICMPV6_FILTER_PASS		2
+#define ICMPV6_FILTER_BLOCKOTHERS	3
+#define ICMPV6_FILTER_PASSONLY		4
+
+struct icmpv6_filter
+  {
+    u_int32_t data[8];
+  };
+
+struct icmpv6hdr
+  {
+    u_int8_t icmpv6_type;   /* type field */
+    u_int8_t icmpv6_code;   /* code field */
+    u_int16_t icmpv6_cksum;  /* checksum field */
+    union
+      {
+	u_int32_t un_data32[1]; /* type-specific field */
+	u_int16_t un_data16[2]; /* type-specific field */
+	u_int8_t un_data8[4];  /* type-specific field */
+      } icmpv6_dataun;
+  };
+
+#define icmpv6_data32    icmpv6_dataun.un_data32
+#define icmpv6_data16    icmpv6_dataun.un_data16
+#define icmpv6_data8     icmpv6_dataun.un_data8
+#define icmpv6_pptr      icmpv6_data32[0]  /* parameter prob */
+#define icmpv6_mtu       icmpv6_data32[0]  /* packet too big */
+#define icmpv6_id        icmpv6_data16[0]  /* echo request/reply */
+#define icmpv6_seq       icmpv6_data16[1]  /* echo request/reply */
+#define icmpv6_maxdelay  icmpv6_data16[0]  /* mcast group membership */
+
+#define ICMPV6_DEST_UNREACH             1
+#define ICMPV6_PACKET_TOOBIG            2
+#define ICMPV6_TIME_EXCEEDED            3
+#define ICMPV6_PARAMETER_PROBLEM        4
+#define ICMPV6_INFOMSG_MASK             128 /* message is info if bit set */
+#define ICMPV6_ECHOREQUEST              128
+#define ICMPV6_ECHOREPLY                129
+#define ICMPV6_MGM_QUERY                130
+#define ICMPV6_MGM_REPORT               131
+#define ICMPV6_MGM_REDUCTION            132
+
+#define ICMPV6_DEST_UNREACH_NOROUTE	  0
+#define ICMPV6_DEST_UNREACH_ADMIN	  1 /* administratively prohibited */
+#define ICMPV6_DEST_UNREACH_NOTNEIGHBOR   2 /* not a neighbor (and must be) */
+#define ICMPV6_DEST_UNREACH_ADDR          3
+#define ICMPV6_DEST_UNREACH_NOPORT        4
+#define ICMPV6_TIME_EXCEED_HOPS           0 /* Hop Limit == 0 in transit */
+#define ICMPV6_TIME_EXCEED_REASSEMBLY     1 /* Reassembly time out */
+#define ICMPV6_PARAMPROB_HEADER           0 /* erroneous header field */
+#define ICMPV6_PARAMPROB_NEXTHEADER       1 /* unrecognized Next Header */
+#define ICMPV6_PARAMPROB_OPTION           2 /* unrecognized option */
+
+#if defined(__OPTIMIZE__)
+#include <asm/bitops.h>
+
+#define ICMPV6_FILTER_WILLPASS(type, filterp) \
+	(test_bit (type, filterp) == 0)
+
+#define ICMPV6_FILTER_WILLBLOCK(type, filterp) \
+	test_bit (type, filterp)
+
+#define ICMPV6_FILTER_SETPASS(type, filterp) \
+	clear_bit (type & 0x1f, &((filterp)->data[type >> 5]))
+
+#define ICMPV6_FILTER_SETBLOCK(type, filterp) \
+	set_bit (type & 0x1f, &((filterp)->data[type >> 5]))
+#else
+#define ICMPV6_FILTER_WILLPASS(type, filterp) \
+	((((filterp)->data[(type) >> 5]) & (1 << ((type) & 31))) == 0)
+
+#define ICMPV6_FILTER_WILLBLOCK(type, filterp) \
+	((((filterp)->data[(type) >> 5]) & (1 << ((type) & 31))) != 0)
+
+#define ICMPV6_FILTER_SETPASS(type, filterp) \
+	((((filterp)->data[(type) >> 5]) &= ~(1 << ((type) & 31))))
+
+#define ICMPV6_FILTER_SETBLOCK(type, filterp) \
+	((((filterp)->data[(type) >> 5]) |=  (1 << ((type) & 31))))
+#endif
+
+#define ICMPV6_FILTER_SETPASSALL(filterp) \
+	memset (filterp, 0, sizeof (struct icmpv6_filter));
+
+#define ICMPV6_FILTER_SETBLOCKALL(filterp) \
+	memset (filterp, 0xFF, sizeof (struct icmpv6_filter));
+
+#define ND6_ROUTER_SOLICITATION		133
+#define ND6_ROUTER_ADVERTISEMENT	134
+#define ND6_NEIGHBOR_SOLICITATION	135
+#define ND6_NEIGHBOR_ADVERTISEMENT	136
+#define ND6_REDIRECT			137
+
+enum nd6_option
+  {
+    ND6_OPT_SOURCE_LINKADDR=1,
+    ND6_OPT_TARGET_LINKADDR=2,
+    ND6_OPT_PREFIX_INFORMATION=3,
+    ND6_OPT_REDIRECTED_HEADER=4,
+    ND6_OPT_MTU=5,
+    ND6_OPT_ENDOFLIST=256
+  };
+
+struct nd6_router_solicit      /* router solicitation */
+  {
+    struct icmpv6hdr		rsol_hdr;
+  };
+
+#define rsol_type		rsol_hdr.icmpv6_type
+#define rsol_code		rsol_hdr.icmpv6_code
+#define rsol_cksum		rsol_hdr.icmpv6_cksum
+#define rsol_reserved		rsol_hdr.icmpv6_data32[0]
+
+struct nd6_router_advert
+  {
+    struct icmpv6hdr	radv_hdr;
+    u_int32_t		radv_reachable;	 /* reachable time	*/
+    u_int32_t		radv_retransmit; /* reachable retransmit time */
+  };
+
+#define radv_type		radv_hdr.icmpv6_type
+#define radv_code		radv_hdr.icmpv6_code
+#define radv_cksum		radv_hdr.icmpv6_cksum
+#define radv_maxhoplimit	radv_hdr.icmpv6_data8[0]
+#define radv_m_o_res		radv_hdr.icmpv6_data8[1]
+#define ND6_RADV_M_BIT		0x80
+#define ND6_RADV_O_BIT		0x40
+#define radv_router_lifetime	radv_hdr.icmpv6_data16[1]
+
+struct nd6_nsolicitation 	/* neighbor solicitation */
+  {
+    struct icmpv6hdr	nsol6_hdr;
+    struct in6_addr	nsol6_target;
+  };
+
+struct nd6_nadvertisement 	/* neighbor advertisement */
+  {
+    struct icmpv6hdr	nadv6_hdr;
+    struct in6_addr	nadv6_target;
+  };
+
+#define nadv6_flags			nadv6_hdr.icmpv6_data32[0]
+#define ND6_NADVERFLAG_ISROUTER		0x80
+#define ND6_NADVERFLAG_SOLICITED	0x40
+#define ND6_NADVERFLAG_OVERRIDE		0x20
+
+struct nd6_redirect            /* redirect */
+  {
+    struct icmpv6hdr	redirect_hdr;
+    struct in6_addr	redirect_target;
+    struct in6_addr	redirect_destination;
+  };
+
+struct nd6_opt_prefix_info     /* prefix information */
+  {
+    u_int8_t		opt_type;
+    u_int8_t		opt_length;
+    u_int8_t		opt_prefix_length;
+    u_int8_t		opt_l_a_res;
+    u_int32_t		opt_valid_life;
+    u_int32_t		opt_preferred_life;
+    u_int32_t		opt_reserved2;
+    struct in6_addr	opt_prefix;
+  };
+
+#define ND6_OPT_PI_L_BIT	0x80
+#define ND6_OPT_PI_A_BIT	0x40
+
+struct nd6_opt_mtu 		/* MTU option */
+  {
+    u_int8_t		opt_type;
+    u_int8_t		opt_length;
+    u_int16_t		opt_reserved;
+    u_int32_t		opt_mtu;
+  };
+
+#endif /* _NETINET6_ICMPV6_H */