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231 lines
8.6 KiB
C
231 lines
8.6 KiB
C
8 years ago
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/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* Linux version. */
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#ifndef _NETINET_IN_H
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# error "Never use <bits/in.h> directly; include <netinet/in.h> instead."
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#endif
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/* If the application has already included linux/in6.h from a linux-based
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kernel then we will not define the IPv6 IPPROTO_* defines, in6_addr (nor the
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defines), sockaddr_in6, or ipv6_mreq. Same for in6_ptkinfo or ip6_mtuinfo
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in linux/ipv6.h. The ABI used by the linux-kernel and glibc match exactly.
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Neither the linux kernel nor glibc should break this ABI without coordination. */
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#if defined _UAPI_LINUX_IN6_H || defined _UAPI_IPV6_H
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/* This is not quite the same API since the kernel always defines s6_addr16 and
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s6_addr32. This is not a violation of POSIX since POSIX says "at least the
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following member" and that holds true. */
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# define __USE_KERNEL_IPV6_DEFS
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#endif
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/* Options for use with `getsockopt' and `setsockopt' at the IP level.
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The first word in the comment at the right is the data type used;
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"bool" means a boolean value stored in an `int'. */
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#define IP_OPTIONS 4 /* ip_opts; IP per-packet options. */
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#define IP_HDRINCL 3 /* int; Header is included with data. */
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#define IP_TOS 1 /* int; IP type of service and precedence. */
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#define IP_TTL 2 /* int; IP time to live. */
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#define IP_RECVOPTS 6 /* bool; Receive all IP options w/datagram. */
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/* For BSD compatibility. */
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#define IP_RECVRETOPTS IP_RETOPTS /* bool; Receive IP options for response. */
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#define IP_RETOPTS 7 /* ip_opts; Set/get IP per-packet options. */
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#define IP_MULTICAST_IF 32 /* in_addr; set/get IP multicast i/f */
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#define IP_MULTICAST_TTL 33 /* u_char; set/get IP multicast ttl */
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#define IP_MULTICAST_LOOP 34 /* i_char; set/get IP multicast loopback */
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#define IP_ADD_MEMBERSHIP 35 /* ip_mreq; add an IP group membership */
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#define IP_DROP_MEMBERSHIP 36 /* ip_mreq; drop an IP group membership */
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#define IP_UNBLOCK_SOURCE 37 /* ip_mreq_source: unblock data from source */
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#define IP_BLOCK_SOURCE 38 /* ip_mreq_source: block data from source */
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#define IP_ADD_SOURCE_MEMBERSHIP 39 /* ip_mreq_source: join source group */
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#define IP_DROP_SOURCE_MEMBERSHIP 40 /* ip_mreq_source: leave source group */
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#define IP_MSFILTER 41
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#ifdef __USE_MISC
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# define MCAST_JOIN_GROUP 42 /* group_req: join any-source group */
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# define MCAST_BLOCK_SOURCE 43 /* group_source_req: block from given group */
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# define MCAST_UNBLOCK_SOURCE 44 /* group_source_req: unblock from given group*/
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# define MCAST_LEAVE_GROUP 45 /* group_req: leave any-source group */
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# define MCAST_JOIN_SOURCE_GROUP 46 /* group_source_req: join source-spec gr */
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# define MCAST_LEAVE_SOURCE_GROUP 47 /* group_source_req: leave source-spec gr*/
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# define MCAST_MSFILTER 48
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# define IP_MULTICAST_ALL 49
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# define IP_UNICAST_IF 50
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# define MCAST_EXCLUDE 0
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# define MCAST_INCLUDE 1
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#endif
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#define IP_ROUTER_ALERT 5 /* bool */
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#define IP_PKTINFO 8 /* bool */
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#define IP_PKTOPTIONS 9
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#define IP_PMTUDISC 10 /* obsolete name? */
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#define IP_MTU_DISCOVER 10 /* int; see below */
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#define IP_RECVERR 11 /* bool */
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#define IP_RECVTTL 12 /* bool */
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#define IP_RECVTOS 13 /* bool */
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#define IP_MTU 14 /* int */
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#define IP_FREEBIND 15
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#define IP_IPSEC_POLICY 16
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#define IP_XFRM_POLICY 17
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#define IP_PASSSEC 18
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#define IP_TRANSPARENT 19
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#define IP_MULTICAST_ALL 49 /* bool */
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/* TProxy original addresses */
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#define IP_ORIGDSTADDR 20
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#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR
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#define IP_MINTTL 21
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#define IP_NODEFRAG 22
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#define IP_CHECKSUM 23
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#define IP_BIND_ADDRESS_NO_PORT 24
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/* IP_MTU_DISCOVER arguments. */
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#define IP_PMTUDISC_DONT 0 /* Never send DF frames. */
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#define IP_PMTUDISC_WANT 1 /* Use per route hints. */
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#define IP_PMTUDISC_DO 2 /* Always DF. */
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#define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu. */
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/* Always use interface mtu (ignores dst pmtu) but don't set DF flag.
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Also incoming ICMP frag_needed notifications will be ignored on
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this socket to prevent accepting spoofed ones. */
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#define IP_PMTUDISC_INTERFACE 4
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/* Like IP_PMTUDISC_INTERFACE but allow packets to be fragmented. */
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#define IP_PMTUDISC_OMIT 5
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#define IP_MULTICAST_IF 32
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#define IP_MULTICAST_TTL 33
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#define IP_MULTICAST_LOOP 34
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#define IP_ADD_MEMBERSHIP 35
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#define IP_DROP_MEMBERSHIP 36
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#define IP_UNBLOCK_SOURCE 37
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#define IP_BLOCK_SOURCE 38
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#define IP_ADD_SOURCE_MEMBERSHIP 39
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#define IP_DROP_SOURCE_MEMBERSHIP 40
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#define IP_MSFILTER 41
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#define IP_MULTICAST_ALL 49
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#define IP_UNICAST_IF 50
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/* To select the IP level. */
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#define SOL_IP 0
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#define IP_DEFAULT_MULTICAST_TTL 1
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#define IP_DEFAULT_MULTICAST_LOOP 1
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#define IP_MAX_MEMBERSHIPS 20
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#ifdef __USE_MISC
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/* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
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The `ip_dst' field is used for the first-hop gateway when using a
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source route (this gets put into the header proper). */
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struct ip_opts
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{
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struct in_addr ip_dst; /* First hop; zero without source route. */
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char ip_opts[40]; /* Actually variable in size. */
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};
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/* Like `struct ip_mreq' but including interface specification by index. */
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struct ip_mreqn
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{
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struct in_addr imr_multiaddr; /* IP multicast address of group */
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struct in_addr imr_address; /* local IP address of interface */
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int imr_ifindex; /* Interface index */
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};
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/* Structure used for IP_PKTINFO. */
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struct in_pktinfo
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{
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int ipi_ifindex; /* Interface index */
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struct in_addr ipi_spec_dst; /* Routing destination address */
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struct in_addr ipi_addr; /* Header destination address */
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};
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#endif
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/* Options for use with `getsockopt' and `setsockopt' at the IPv6 level.
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The first word in the comment at the right is the data type used;
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"bool" means a boolean value stored in an `int'. */
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#define IPV6_ADDRFORM 1
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#define IPV6_2292PKTINFO 2
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#define IPV6_2292HOPOPTS 3
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#define IPV6_2292DSTOPTS 4
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#define IPV6_2292RTHDR 5
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#define IPV6_2292PKTOPTIONS 6
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#define IPV6_CHECKSUM 7
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#define IPV6_2292HOPLIMIT 8
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#define SCM_SRCRT IPV6_RXSRCRT
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#define IPV6_NEXTHOP 9
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#define IPV6_AUTHHDR 10
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#define IPV6_UNICAST_HOPS 16
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#define IPV6_MULTICAST_IF 17
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#define IPV6_MULTICAST_HOPS 18
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#define IPV6_MULTICAST_LOOP 19
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#define IPV6_JOIN_GROUP 20
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#define IPV6_LEAVE_GROUP 21
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#define IPV6_ROUTER_ALERT 22
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#define IPV6_MTU_DISCOVER 23
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#define IPV6_MTU 24
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#define IPV6_RECVERR 25
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#define IPV6_V6ONLY 26
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#define IPV6_JOIN_ANYCAST 27
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#define IPV6_LEAVE_ANYCAST 28
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#define IPV6_IPSEC_POLICY 34
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#define IPV6_XFRM_POLICY 35
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/* Advanced API (RFC3542) (1). */
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#define IPV6_RECVPKTINFO 49
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#define IPV6_PKTINFO 50
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#define IPV6_RECVHOPLIMIT 51
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#define IPV6_HOPLIMIT 52
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#define IPV6_RECVHOPOPTS 53
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#define IPV6_HOPOPTS 54
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#define IPV6_RTHDRDSTOPTS 55
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#define IPV6_RECVRTHDR 56
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#define IPV6_RTHDR 57
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#define IPV6_RECVDSTOPTS 58
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#define IPV6_DSTOPTS 59
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#define IPV6_RECVPATHMTU 60
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#define IPV6_PATHMTU 61
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#define IPV6_DONTFRAG 62
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/* Advanced API (RFC3542) (2). */
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#define IPV6_RECVTCLASS 66
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#define IPV6_TCLASS 67
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/* Obsolete synonyms for the above. */
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#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
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#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
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#define IPV6_RXHOPOPTS IPV6_HOPOPTS
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#define IPV6_RXDSTOPTS IPV6_DSTOPTS
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/* IPV6_MTU_DISCOVER values. */
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#define IPV6_PMTUDISC_DONT 0 /* Never send DF frames. */
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#define IPV6_PMTUDISC_WANT 1 /* Use per route hints. */
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#define IPV6_PMTUDISC_DO 2 /* Always DF. */
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#define IPV6_PMTUDISC_PROBE 3 /* Ignore dst pmtu. */
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#define IPV6_PMTUDISC_INTERFACE 4 /* See IP_PMTUDISC_INTERFACE. */
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#define IPV6_PMTUDISC_OMIT 5 /* See IP_PMTUDISC_OMIT. */
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/* Socket level values for IPv6. */
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#define SOL_IPV6 41
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#define SOL_ICMPV6 58
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/* Routing header options for IPv6. */
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#define IPV6_RTHDR_LOOSE 0 /* Hop doesn't need to be neighbour. */
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#define IPV6_RTHDR_STRICT 1 /* Hop must be a neighbour. */
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#define IPV6_RTHDR_TYPE_0 0 /* IPv6 Routing header type 0. */
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