--- /dev/null
+/* Copyright (C) 1991-2018 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Linux version. */
+
+#ifndef _NETINET_IN_H
+# error "Never use <bits/in.h> directly; include <netinet/in.h> instead."
+#endif
+
+/* If the application has already included linux/in6.h from a linux-based
+ kernel then we will not define the IPv6 IPPROTO_* defines, in6_addr (nor the
+ defines), sockaddr_in6, or ipv6_mreq. Same for in6_ptkinfo or ip6_mtuinfo
+ in linux/ipv6.h. The ABI used by the linux-kernel and glibc match exactly.
+ Neither the linux kernel nor glibc should break this ABI without coordination.
+ In upstream kernel 56c176c9 the _UAPI prefix was stripped so we need to check
+ for _LINUX_IN6_H and _IPV6_H now, and keep checking the old versions for
+ maximum backwards compatibility. */
+#if defined _UAPI_LINUX_IN6_H \
+ || defined _UAPI_IPV6_H \
+ || defined _LINUX_IN6_H \
+ || defined _IPV6_H
+/* This is not quite the same API since the kernel always defines s6_addr16 and
+ s6_addr32. This is not a violation of POSIX since POSIX says "at least the
+ following member" and that holds true. */
+# define __USE_KERNEL_IPV6_DEFS 1
+#else
+# define __USE_KERNEL_IPV6_DEFS 0
+#endif
+
+/* Options for use with `getsockopt' and `setsockopt' at the IP level.
+ The first word in the comment at the right is the data type used;
+ "bool" means a boolean value stored in an `int'. */
+#define IP_OPTIONS 4 /* ip_opts; IP per-packet options. */
+#define IP_HDRINCL 3 /* int; Header is included with data. */
+#define IP_TOS 1 /* int; IP type of service and precedence. */
+#define IP_TTL 2 /* int; IP time to live. */
+#define IP_RECVOPTS 6 /* bool; Receive all IP options w/datagram. */
+/* For BSD compatibility. */
+#define IP_RECVRETOPTS IP_RETOPTS /* bool; Receive IP options for response. */
+#define IP_RETOPTS 7 /* ip_opts; Set/get IP per-packet options. */
+#define IP_MULTICAST_IF 32 /* in_addr; set/get IP multicast i/f */
+#define IP_MULTICAST_TTL 33 /* unsigned char; set/get IP multicast ttl */
+#define IP_MULTICAST_LOOP 34 /* bool; set/get IP multicast loopback */
+#define IP_ADD_MEMBERSHIP 35 /* ip_mreq; add an IP group membership */
+#define IP_DROP_MEMBERSHIP 36 /* ip_mreq; drop an IP group membership */
+#define IP_UNBLOCK_SOURCE 37 /* ip_mreq_source: unblock data from source */
+#define IP_BLOCK_SOURCE 38 /* ip_mreq_source: block data from source */
+#define IP_ADD_SOURCE_MEMBERSHIP 39 /* ip_mreq_source: join source group */
+#define IP_DROP_SOURCE_MEMBERSHIP 40 /* ip_mreq_source: leave source group */
+#define IP_MSFILTER 41
+#ifdef __USE_MISC
+# define MCAST_JOIN_GROUP 42 /* group_req: join any-source group */
+# define MCAST_BLOCK_SOURCE 43 /* group_source_req: block from given group */
+# define MCAST_UNBLOCK_SOURCE 44 /* group_source_req: unblock from given group*/
+# define MCAST_LEAVE_GROUP 45 /* group_req: leave any-source group */
+# define MCAST_JOIN_SOURCE_GROUP 46 /* group_source_req: join source-spec gr */
+# define MCAST_LEAVE_SOURCE_GROUP 47 /* group_source_req: leave source-spec gr*/
+# define MCAST_MSFILTER 48
+# define IP_MULTICAST_ALL 49
+# define IP_UNICAST_IF 50
+
+# define MCAST_EXCLUDE 0
+# define MCAST_INCLUDE 1
+#endif
+
+#define IP_ROUTER_ALERT 5 /* bool */
+#define IP_PKTINFO 8 /* bool */
+#define IP_PKTOPTIONS 9
+#define IP_PMTUDISC 10 /* obsolete name? */
+#define IP_MTU_DISCOVER 10 /* int; see below */
+#define IP_RECVERR 11 /* bool */
+#define IP_RECVTTL 12 /* bool */
+#define IP_RECVTOS 13 /* bool */
+#define IP_MTU 14 /* int */
+#define IP_FREEBIND 15
+#define IP_IPSEC_POLICY 16
+#define IP_XFRM_POLICY 17
+#define IP_PASSSEC 18
+#define IP_TRANSPARENT 19
+#define IP_MULTICAST_ALL 49 /* bool */
+
+/* TProxy original addresses */
+#define IP_ORIGDSTADDR 20
+#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR
+
+#define IP_MINTTL 21
+#define IP_NODEFRAG 22
+#define IP_CHECKSUM 23
+#define IP_BIND_ADDRESS_NO_PORT 24
+#define IP_RECVFRAGSIZE 25
+
+/* IP_MTU_DISCOVER arguments. */
+#define IP_PMTUDISC_DONT 0 /* Never send DF frames. */
+#define IP_PMTUDISC_WANT 1 /* Use per route hints. */
+#define IP_PMTUDISC_DO 2 /* Always DF. */
+#define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu. */
+/* Always use interface mtu (ignores dst pmtu) but don't set DF flag.
+ Also incoming ICMP frag_needed notifications will be ignored on
+ this socket to prevent accepting spoofed ones. */
+#define IP_PMTUDISC_INTERFACE 4
+/* Like IP_PMTUDISC_INTERFACE but allow packets to be fragmented. */
+#define IP_PMTUDISC_OMIT 5
+
+#define IP_MULTICAST_IF 32
+#define IP_MULTICAST_TTL 33
+#define IP_MULTICAST_LOOP 34
+#define IP_ADD_MEMBERSHIP 35
+#define IP_DROP_MEMBERSHIP 36
+#define IP_UNBLOCK_SOURCE 37
+#define IP_BLOCK_SOURCE 38
+#define IP_ADD_SOURCE_MEMBERSHIP 39
+#define IP_DROP_SOURCE_MEMBERSHIP 40
+#define IP_MSFILTER 41
+#define IP_MULTICAST_ALL 49
+#define IP_UNICAST_IF 50
+
+/* To select the IP level. */
+#define SOL_IP 0
+
+#define IP_DEFAULT_MULTICAST_TTL 1
+#define IP_DEFAULT_MULTICAST_LOOP 1
+#define IP_MAX_MEMBERSHIPS 20
+
+#ifdef __USE_MISC
+/* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
+ The `ip_dst' field is used for the first-hop gateway when using a
+ source route (this gets put into the header proper). */
+struct ip_opts
+ {
+ struct in_addr ip_dst; /* First hop; zero without source route. */
+ char ip_opts[40]; /* Actually variable in size. */
+ };
+
+/* Like `struct ip_mreq' but including interface specification by index. */
+struct ip_mreqn
+ {
+ struct in_addr imr_multiaddr; /* IP multicast address of group */
+ struct in_addr imr_address; /* local IP address of interface */
+ int imr_ifindex; /* Interface index */
+ };
+
+/* Structure used for IP_PKTINFO. */
+struct in_pktinfo
+ {
+ int ipi_ifindex; /* Interface index */
+ struct in_addr ipi_spec_dst; /* Routing destination address */
+ struct in_addr ipi_addr; /* Header destination address */
+ };
+#endif
+
+/* Options for use with `getsockopt' and `setsockopt' at the IPv6 level.
+ The first word in the comment at the right is the data type used;
+ "bool" means a boolean value stored in an `int'. */
+#define IPV6_ADDRFORM 1
+#define IPV6_2292PKTINFO 2
+#define IPV6_2292HOPOPTS 3
+#define IPV6_2292DSTOPTS 4
+#define IPV6_2292RTHDR 5
+#define IPV6_2292PKTOPTIONS 6
+#define IPV6_CHECKSUM 7
+#define IPV6_2292HOPLIMIT 8
+
+#define SCM_SRCRT IPV6_RXSRCRT
+
+#define IPV6_NEXTHOP 9
+#define IPV6_AUTHHDR 10
+#define IPV6_UNICAST_HOPS 16
+#define IPV6_MULTICAST_IF 17
+#define IPV6_MULTICAST_HOPS 18
+#define IPV6_MULTICAST_LOOP 19
+#define IPV6_JOIN_GROUP 20
+#define IPV6_LEAVE_GROUP 21
+#define IPV6_ROUTER_ALERT 22
+#define IPV6_MTU_DISCOVER 23
+#define IPV6_MTU 24
+#define IPV6_RECVERR 25
+#define IPV6_V6ONLY 26
+#define IPV6_JOIN_ANYCAST 27
+#define IPV6_LEAVE_ANYCAST 28
+#define IPV6_IPSEC_POLICY 34
+#define IPV6_XFRM_POLICY 35
+#define IPV6_HDRINCL 36
+
+/* Advanced API (RFC3542) (1). */
+#define IPV6_RECVPKTINFO 49
+#define IPV6_PKTINFO 50
+#define IPV6_RECVHOPLIMIT 51
+#define IPV6_HOPLIMIT 52
+#define IPV6_RECVHOPOPTS 53
+#define IPV6_HOPOPTS 54
+#define IPV6_RTHDRDSTOPTS 55
+#define IPV6_RECVRTHDR 56
+#define IPV6_RTHDR 57
+#define IPV6_RECVDSTOPTS 58
+#define IPV6_DSTOPTS 59
+#define IPV6_RECVPATHMTU 60
+#define IPV6_PATHMTU 61
+#define IPV6_DONTFRAG 62
+
+/* Advanced API (RFC3542) (2). */
+#define IPV6_RECVTCLASS 66
+#define IPV6_TCLASS 67
+
+#define IPV6_AUTOFLOWLABEL 70
+
+/* RFC5014. */
+#define IPV6_ADDR_PREFERENCES 72
+
+/* RFC5082. */
+#define IPV6_MINHOPCOUNT 73
+
+#define IPV6_ORIGDSTADDR 74
+#define IPV6_RECVORIGDSTADDR IPV6_ORIGDSTADDR
+#define IPV6_TRANSPARENT 75
+#define IPV6_UNICAST_IF 76
+#define IPV6_RECVFRAGSIZE 77
+#define IPV6_FREEBIND 78
+
+/* Obsolete synonyms for the above. */
+#if !__USE_KERNEL_IPV6_DEFS
+# define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
+# define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
+#endif
+#define IPV6_RXHOPOPTS IPV6_HOPOPTS
+#define IPV6_RXDSTOPTS IPV6_DSTOPTS
+
+/* IPV6_MTU_DISCOVER values. */
+#define IPV6_PMTUDISC_DONT 0 /* Never send DF frames. */
+#define IPV6_PMTUDISC_WANT 1 /* Use per route hints. */
+#define IPV6_PMTUDISC_DO 2 /* Always DF. */
+#define IPV6_PMTUDISC_PROBE 3 /* Ignore dst pmtu. */
+#define IPV6_PMTUDISC_INTERFACE 4 /* See IP_PMTUDISC_INTERFACE. */
+#define IPV6_PMTUDISC_OMIT 5 /* See IP_PMTUDISC_OMIT. */
+
+/* Socket level values for IPv6. */
+#define SOL_IPV6 41
+#define SOL_ICMPV6 58
+
+/* Routing header options for IPv6. */
+#define IPV6_RTHDR_LOOSE 0 /* Hop doesn't need to be neighbour. */
+#define IPV6_RTHDR_STRICT 1 /* Hop must be a neighbour. */
+
+#define IPV6_RTHDR_TYPE_0 0 /* IPv6 Routing header type 0. */
projects / cross.git / blobdiff