/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Types and definitions for AF_INET6 * Linux INET6 implementation * * Authors: * Pedro Roque <[email protected]> * * 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_ADDR struct in6_addr { … }; #endif /* __UAPI_DEF_IN6_ADDR */ #if __UAPI_DEF_SOCKADDR_IN6 struct sockaddr_in6 { … }; #endif /* __UAPI_DEF_SOCKADDR_IN6 */ #if __UAPI_DEF_IPV6_MREQ struct ipv6_mreq { … }; #endif /* __UAPI_DEF_IVP6_MREQ */ #define ipv6mr_acaddr … struct in6_flowlabel_req { … }; #define IPV6_FL_A_GET … #define IPV6_FL_A_PUT … #define IPV6_FL_A_RENEW … #define IPV6_FL_F_CREATE … #define IPV6_FL_F_EXCL … #define IPV6_FL_F_REFLECT … #define IPV6_FL_F_REMOTE … #define IPV6_FL_S_NONE … #define IPV6_FL_S_EXCL … #define IPV6_FL_S_PROCESS … #define IPV6_FL_S_USER … #define IPV6_FL_S_ANY … /* * 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 … #define IPV6_FLOWINFO_PRIORITY … /* These definitions are obsolete */ #define IPV6_PRIORITY_UNCHARACTERIZED … #define IPV6_PRIORITY_FILLER … #define IPV6_PRIORITY_UNATTENDED … #define IPV6_PRIORITY_RESERVED1 … #define IPV6_PRIORITY_BULK … #define IPV6_PRIORITY_RESERVED2 … #define IPV6_PRIORITY_INTERACTIVE … #define IPV6_PRIORITY_CONTROL … #define IPV6_PRIORITY_8 … #define IPV6_PRIORITY_9 … #define IPV6_PRIORITY_10 … #define IPV6_PRIORITY_11 … #define IPV6_PRIORITY_12 … #define IPV6_PRIORITY_13 … #define IPV6_PRIORITY_14 … #define IPV6_PRIORITY_15 … /* * IPV6 extension headers */ #if __UAPI_DEF_IPPROTO_V6 #define IPPROTO_HOPOPTS … #define IPPROTO_ROUTING … #define IPPROTO_FRAGMENT … #define IPPROTO_ICMPV6 … #define IPPROTO_NONE … #define IPPROTO_DSTOPTS … #define IPPROTO_MH … #endif /* __UAPI_DEF_IPPROTO_V6 */ /* * IPv6 TLV options. */ #define IPV6_TLV_PAD1 … #define IPV6_TLV_PADN … #define IPV6_TLV_ROUTERALERT … #define IPV6_TLV_CALIPSO … #define IPV6_TLV_IOAM … #define IPV6_TLV_JUMBO … #define IPV6_TLV_HAO … /* * IPV6 socket options */ #if __UAPI_DEF_IPV6_OPTIONS #define IPV6_ADDRFORM … #define IPV6_2292PKTINFO … #define IPV6_2292HOPOPTS … #define IPV6_2292DSTOPTS … #define IPV6_2292RTHDR … #define IPV6_2292PKTOPTIONS … #define IPV6_CHECKSUM … #define IPV6_2292HOPLIMIT … #define IPV6_NEXTHOP … #define IPV6_AUTHHDR … #define IPV6_FLOWINFO … #define IPV6_UNICAST_HOPS … #define IPV6_MULTICAST_IF … #define IPV6_MULTICAST_HOPS … #define IPV6_MULTICAST_LOOP … #define IPV6_ADD_MEMBERSHIP … #define IPV6_DROP_MEMBERSHIP … #define IPV6_ROUTER_ALERT … #define IPV6_MTU_DISCOVER … #define IPV6_MTU … #define IPV6_RECVERR … #define IPV6_V6ONLY … #define IPV6_JOIN_ANYCAST … #define IPV6_LEAVE_ANYCAST … #define IPV6_MULTICAST_ALL … #define IPV6_ROUTER_ALERT_ISOLATE … #define IPV6_RECVERR_RFC4884 … /* IPV6_MTU_DISCOVER values */ #define IPV6_PMTUDISC_DONT … #define IPV6_PMTUDISC_WANT … #define IPV6_PMTUDISC_DO … #define IPV6_PMTUDISC_PROBE … /* same as IPV6_PMTUDISC_PROBE, provided for symetry with IPv4 * also see comments on IP_PMTUDISC_INTERFACE */ #define IPV6_PMTUDISC_INTERFACE … /* weaker version of IPV6_PMTUDISC_INTERFACE, which allows packets to * get fragmented if they exceed the interface mtu */ #define IPV6_PMTUDISC_OMIT … /* Flowlabel */ #define IPV6_FLOWLABEL_MGR … #define IPV6_FLOWINFO_SEND … #define IPV6_IPSEC_POLICY … #define IPV6_XFRM_POLICY … #define IPV6_HDRINCL … #endif /* * 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 … #define IPV6_PKTINFO … #define IPV6_RECVHOPLIMIT … #define IPV6_HOPLIMIT … #define IPV6_RECVHOPOPTS … #define IPV6_HOPOPTS … #define IPV6_RTHDRDSTOPTS … #define IPV6_RECVRTHDR … #define IPV6_RTHDR … #define IPV6_RECVDSTOPTS … #define IPV6_DSTOPTS … #define IPV6_RECVPATHMTU … #define IPV6_PATHMTU … #define IPV6_DONTFRAG … #if 0 /* not yet */ #define IPV6_USE_MIN_MTU … #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 … #define IPV6_TCLASS … /* * 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 … /* RFC5014: Source address selection */ #define IPV6_ADDR_PREFERENCES … #define IPV6_PREFER_SRC_TMP … #define IPV6_PREFER_SRC_PUBLIC … #define IPV6_PREFER_SRC_PUBTMP_DEFAULT … #define IPV6_PREFER_SRC_COA … #define IPV6_PREFER_SRC_HOME … #define IPV6_PREFER_SRC_CGA … #define IPV6_PREFER_SRC_NONCGA … /* RFC5082: Generalized Ttl Security Mechanism */ #define IPV6_MINHOPCOUNT … #define IPV6_ORIGDSTADDR … #define IPV6_RECVORIGDSTADDR … #define IPV6_TRANSPARENT … #define IPV6_UNICAST_IF … #define IPV6_RECVFRAGSIZE … #define IPV6_FREEBIND … /* * Multicast Routing: * see include/uapi/linux/mroute6.h. * * MRT6_BASE 200 * ... * MRT6_MAX */ #endif /* _UAPI_LINUX_IN6_H */
Codebase Browser
linux