Something went wrong. Try again.
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note *//* * Types and definitions for AF_INET6 * Linux INET6 implementation * * Authors: * Pedro Roque <roque@di.fc.ul.pt> * * Sources: * IPv6 Program Interfaces for BSD Systems * <draft-ietf-ipngwg-bsd-api-05.txt> * * Advanced Sockets API for IPv6 * <draft-stevens-advanced-api-00.txt> * * This program 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 of the License, or (at your option) any later version. */
#ifndef _UAPI_LINUX_IN6_H#define _UAPI_LINUX_IN6_H
#include <linux/types.h>#include <linux/libc-compat.h>
/* * IPv6 address structure */
#if __UAPI_DEF_IN6_ADDRstruct in6_addr { union { __u8 u6_addr8[16];#if __UAPI_DEF_IN6_ADDR_ALT __be16 u6_addr16[8]; __be32 u6_addr32[4];#endif } in6_u;#define s6_addr in6_u.u6_addr8#if __UAPI_DEF_IN6_ADDR_ALT#define s6_addr16 in6_u.u6_addr16#define s6_addr32 in6_u.u6_addr32#endif};#endif /* __UAPI_DEF_IN6_ADDR */
#if __UAPI_DEF_SOCKADDR_IN6struct sockaddr_in6 { unsigned short int sin6_family; /* AF_INET6 */ __be16 sin6_port; /* Transport layer port # */ __be32 sin6_flowinfo; /* IPv6 flow information */ struct in6_addr sin6_addr; /* IPv6 address */ __u32 sin6_scope_id; /* scope id (new in RFC2553) */};#endif /* __UAPI_DEF_SOCKADDR_IN6 */
#if __UAPI_DEF_IPV6_MREQstruct ipv6_mreq { /* IPv6 multicast address of group */ struct in6_addr ipv6mr_multiaddr;
/* local IPv6 address of interface */ int ipv6mr_ifindex;};#endif /* __UAPI_DEF_IVP6_MREQ */
#define ipv6mr_acaddr ipv6mr_multiaddr
struct in6_flowlabel_req { struct in6_addr flr_dst; __be32 flr_label; __u8 flr_action; __u8 flr_share; __u16 flr_flags; __u16 flr_expires; __u16 flr_linger; __u32 __flr_pad; /* Options in format of IPV6_PKTOPTIONS */};
#define IPV6_FL_A_GET 0#define IPV6_FL_A_PUT 1#define IPV6_FL_A_RENEW 2
#define IPV6_FL_F_CREATE 1#define IPV6_FL_F_EXCL 2#define IPV6_FL_F_REFLECT 4#define IPV6_FL_F_REMOTE 8
#define IPV6_FL_S_NONE 0#define IPV6_FL_S_EXCL 1#define IPV6_FL_S_PROCESS 2#define IPV6_FL_S_USER 3#define IPV6_FL_S_ANY 255
/* * Bitmask constant declarations to help applications select out the * flow label and priority fields. * * Note that this are in host byte order while the flowinfo field of * sockaddr_in6 is in network byte order. */
#define IPV6_FLOWINFO_FLOWLABEL 0x000fffff#define IPV6_FLOWINFO_PRIORITY 0x0ff00000
/* These definitions are obsolete */#define IPV6_PRIORITY_UNCHARACTERIZED 0x0000#define IPV6_PRIORITY_FILLER 0x0100#define IPV6_PRIORITY_UNATTENDED 0x0200#define IPV6_PRIORITY_RESERVED1 0x0300#define IPV6_PRIORITY_BULK 0x0400#define IPV6_PRIORITY_RESERVED2 0x0500#define IPV6_PRIORITY_INTERACTIVE 0x0600#define IPV6_PRIORITY_CONTROL 0x0700#define IPV6_PRIORITY_8 0x0800#define IPV6_PRIORITY_9 0x0900#define IPV6_PRIORITY_10 0x0a00#define IPV6_PRIORITY_11 0x0b00#define IPV6_PRIORITY_12 0x0c00#define IPV6_PRIORITY_13 0x0d00#define IPV6_PRIORITY_14 0x0e00#define IPV6_PRIORITY_15 0x0f00
/* * IPV6 extension headers */#if __UAPI_DEF_IPPROTO_V6#define IPPROTO_HOPOPTS 0 /* IPv6 hop-by-hop options */#define IPPROTO_ROUTING 43 /* IPv6 routing header */#define IPPROTO_FRAGMENT 44 /* IPv6 fragmentation header */#define IPPROTO_ICMPV6 58 /* ICMPv6 */#define IPPROTO_NONE 59 /* IPv6 no next header */#define IPPROTO_DSTOPTS 60 /* IPv6 destination options */#define IPPROTO_MH 135 /* IPv6 mobility header */#endif /* __UAPI_DEF_IPPROTO_V6 */
/* * IPv6 TLV options. */#define IPV6_TLV_PAD1 0#define IPV6_TLV_PADN 1#define IPV6_TLV_ROUTERALERT 5#define IPV6_TLV_CALIPSO 7 /* RFC 5570 */#define IPV6_TLV_IOAM 49 /* RFC 9486 */#define IPV6_TLV_JUMBO 194#define IPV6_TLV_HAO 201 /* home address option */
/* * IPV6 socket options */#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 IPV6_NEXTHOP 9#define IPV6_AUTHHDR 10 /* obsolete */#define IPV6_FLOWINFO 11
#define IPV6_UNICAST_HOPS 16#define IPV6_MULTICAST_IF 17#define IPV6_MULTICAST_HOPS 18#define IPV6_MULTICAST_LOOP 19#if __UAPI_DEF_IPV6_OPTIONS#define IPV6_ADD_MEMBERSHIP 20#define IPV6_DROP_MEMBERSHIP 21#endif#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_MULTICAST_ALL 29#define IPV6_ROUTER_ALERT_ISOLATE 30#define IPV6_RECVERR_RFC4884 31
/* IPV6_MTU_DISCOVER values */#define IPV6_PMTUDISC_DONT 0#define IPV6_PMTUDISC_WANT 1#define IPV6_PMTUDISC_DO 2#define IPV6_PMTUDISC_PROBE 3/* same as IPV6_PMTUDISC_PROBE, provided for symetry with IPv4 * also see comments on IP_PMTUDISC_INTERFACE */#define IPV6_PMTUDISC_INTERFACE 4/* weaker version of IPV6_PMTUDISC_INTERFACE, which allows packets to * get fragmented if they exceed the interface mtu */#define IPV6_PMTUDISC_OMIT 5
/* Flowlabel */#define IPV6_FLOWLABEL_MGR 32#define IPV6_FLOWINFO_SEND 33
#define IPV6_IPSEC_POLICY 34#define IPV6_XFRM_POLICY 35#define IPV6_HDRINCL 36
/* * Multicast: * Following socket options are shared between IPv4 and IPv6. * * MCAST_JOIN_GROUP 42 * MCAST_BLOCK_SOURCE 43 * MCAST_UNBLOCK_SOURCE 44 * MCAST_LEAVE_GROUP 45 * MCAST_JOIN_SOURCE_GROUP 46 * MCAST_LEAVE_SOURCE_GROUP 47 * MCAST_MSFILTER 48 */
/* * Advanced API (RFC3542) (1) * * Note: IPV6_RECVRTHDRDSTOPTS does not exist. see net/ipv6/datagram.c. */
#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#if 0 /* not yet */#define IPV6_USE_MIN_MTU 63#endif
/* * Netfilter (1) * * Following socket options are used in ip6_tables; * see include/linux/netfilter_ipv6/ip6_tables.h. * * IP6T_SO_SET_REPLACE / IP6T_SO_GET_INFO 64 * IP6T_SO_SET_ADD_COUNTERS / IP6T_SO_GET_ENTRIES 65 */
/* * Advanced API (RFC3542) (2) */#define IPV6_RECVTCLASS 66#define IPV6_TCLASS 67
/* * Netfilter (2) * * Following socket options are used in ip6_tables; * see include/linux/netfilter_ipv6/ip6_tables.h. * * IP6T_SO_GET_REVISION_MATCH 68 * IP6T_SO_GET_REVISION_TARGET 69 * IP6T_SO_ORIGINAL_DST 80 */
#define IPV6_AUTOFLOWLABEL 70/* RFC5014: Source address selection */#define IPV6_ADDR_PREFERENCES 72
#define IPV6_PREFER_SRC_TMP 0x0001#define IPV6_PREFER_SRC_PUBLIC 0x0002#define IPV6_PREFER_SRC_PUBTMP_DEFAULT 0x0100#define IPV6_PREFER_SRC_COA 0x0004#define IPV6_PREFER_SRC_HOME 0x0400#define IPV6_PREFER_SRC_CGA 0x0008#define IPV6_PREFER_SRC_NONCGA 0x0800
/* RFC5082: Generalized Ttl Security Mechanism */#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
/* * Multicast Routing: * see include/uapi/linux/mroute6.h. * * MRT6_BASE 200 * ... * MRT6_MAX */#endif /* _UAPI_LINUX_IN6_H */