ICMPv6 definitions.
authordrepper <drepper>
Sat, 24 May 1997 01:56:54 +0000 (01:56 +0000)
committerdrepper <drepper>
Sat, 24 May 1997 01:56:54 +0000 (01:56 +0000)
inet/netinet/icmp6.h [new file with mode: 0644]

diff --git a/inet/netinet/icmp6.h b/inet/netinet/icmp6.h
new file mode 100644 (file)
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--- /dev/null
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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 */