in.h revision 314752488cb92b9f86028836d0b8eabd8acb6a7c
1224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 2224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * INET An implementation of the TCP/IP protocol suite for the LINUX 3224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * operating system. INET is implemented using the BSD Socket 4224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * interface as the means of communication with the user level. 5224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 6224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Definitions of the Internet Protocol. 7224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 8224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Version: @(#)in.h 1.0.1 04/21/93 9224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 10224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Authors: Original taken from the GNU Project <netinet/in.h> file. 11224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 12224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 13224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * This program is free software; you can redistribute it and/or 14224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * modify it under the terms of the GNU General Public License 15224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * as published by the Free Software Foundation; either version 16224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * 2 of the License, or (at your option) any later version. 17224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 18224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#ifndef _UAPI_LINUX_IN_H 19224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define _UAPI_LINUX_IN_H 20224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 21224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#include <linux/types.h> 22224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#include <linux/socket.h> 23224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 24224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Standard well-defined IP protocols. */ 25224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengenum { 26224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_IP = 0, /* Dummy protocol for TCP */ 27e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_IP IPPROTO_IP 28224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_ICMP = 1, /* Internet Control Message Protocol */ 29e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_ICMP IPPROTO_ICMP 30224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_IGMP = 2, /* Internet Group Management Protocol */ 31e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_IGMP IPPROTO_IGMP 32224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94) */ 33e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_IPIP IPPROTO_IPIP 34224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_TCP = 6, /* Transmission Control Protocol */ 35e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_TCP IPPROTO_TCP 36224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_EGP = 8, /* Exterior Gateway Protocol */ 37e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_EGP IPPROTO_EGP 38224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_PUP = 12, /* PUP protocol */ 39e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_PUP IPPROTO_PUP 40224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_UDP = 17, /* User Datagram Protocol */ 41e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_UDP IPPROTO_UDP 42224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_IDP = 22, /* XNS IDP protocol */ 43e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_IDP IPPROTO_IDP 44e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris IPPROTO_TP = 29, /* SO Transport Protocol Class 4 */ 45e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_TP IPPROTO_TP 46224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_DCCP = 33, /* Datagram Congestion Control Protocol */ 47e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_DCCP IPPROTO_DCCP 48e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris IPPROTO_IPV6 = 41, /* IPv6-in-IPv4 tunnelling */ 49e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_IPV6 IPPROTO_IPV6 50e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris IPPROTO_RSVP = 46, /* RSVP Protocol */ 51e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_RSVP IPPROTO_RSVP 52224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_GRE = 47, /* Cisco GRE tunnels (rfc 1701,1702) */ 53e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_GRE IPPROTO_GRE 54e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris IPPROTO_ESP = 50, /* Encapsulation Security Payload protocol */ 55e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_ESP IPPROTO_ESP 56e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris IPPROTO_AH = 51, /* Authentication Header protocol */ 57e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_AH IPPROTO_AH 58e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris IPPROTO_MTP = 92, /* Multicast Transport Protocol */ 59e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_MTP IPPROTO_MTP 60e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris IPPROTO_BEETPH = 94, /* IP option pseudo header for BEET */ 61e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_BEETPH IPPROTO_BEETPH 62e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris IPPROTO_ENCAP = 98, /* Encapsulation Header */ 63e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_ENCAP IPPROTO_ENCAP 64e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris IPPROTO_PIM = 103, /* Protocol Independent Multicast */ 65e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_PIM IPPROTO_PIM 66e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris IPPROTO_COMP = 108, /* Compression Header Protocol */ 67e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_COMP IPPROTO_COMP 68e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris IPPROTO_SCTP = 132, /* Stream Control Transport Protocol */ 69e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_SCTP IPPROTO_SCTP 70224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_UDPLITE = 136, /* UDP-Lite (RFC 3828) */ 71e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_UDPLITE IPPROTO_UDPLITE 72e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris IPPROTO_RAW = 255, /* Raw IP packets */ 73e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IPPROTO_RAW IPPROTO_RAW 74224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng IPPROTO_MAX 75224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 76224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 77224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 78224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Internet address. */ 79224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct in_addr { 80224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __be32 s_addr; 81224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 82224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 83224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_TOS 1 84224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_TTL 2 85224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_HDRINCL 3 86224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_OPTIONS 4 87224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_ROUTER_ALERT 5 88224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_RECVOPTS 6 89224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_RETOPTS 7 90224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_PKTINFO 8 91224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_PKTOPTIONS 9 92224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_MTU_DISCOVER 10 93224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_RECVERR 11 94224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_RECVTTL 12 95224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_RECVTOS 13 96224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_MTU 14 97224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_FREEBIND 15 98224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_IPSEC_POLICY 16 99224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_XFRM_POLICY 17 100224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_PASSSEC 18 101224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_TRANSPARENT 19 102224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 103224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* BSD compatibility */ 104224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_RECVRETOPTS IP_RETOPTS 105224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 106224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* TProxy original addresses */ 107224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_ORIGDSTADDR 20 108224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR 109224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 110224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_MINTTL 21 111224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_NODEFRAG 22 112224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 113224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* IP_MTU_DISCOVER values */ 114224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_PMTUDISC_DONT 0 /* Never send DF frames */ 115224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_PMTUDISC_WANT 1 /* Use per route hints */ 116224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_PMTUDISC_DO 2 /* Always DF */ 117224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu */ 118e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris/* Always use interface mtu (ignores dst pmtu) but don't set DF flag. 119e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris * Also incoming ICMP frag_needed notifications will be ignored on 120e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris * this socket to prevent accepting spoofed ones. 121e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris */ 122e084501669a4e4931c9d648351ecd7d595b81b79Christopher Ferris#define IP_PMTUDISC_INTERFACE 4 123314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris/* weaker version of IP_PMTUDISC_INTERFACE, which allos packets to get 124314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris * fragmented if they exeed the interface mtu 125314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris */ 126314752488cb92b9f86028836d0b8eabd8acb6a7cChristopher Ferris#define IP_PMTUDISC_OMIT 5 127224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 128224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_MULTICAST_IF 32 129224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_MULTICAST_TTL 33 130224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_MULTICAST_LOOP 34 131224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_ADD_MEMBERSHIP 35 132224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_DROP_MEMBERSHIP 36 133224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_UNBLOCK_SOURCE 37 134224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_BLOCK_SOURCE 38 135224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_ADD_SOURCE_MEMBERSHIP 39 136224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_DROP_SOURCE_MEMBERSHIP 40 137224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_MSFILTER 41 138224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MCAST_JOIN_GROUP 42 139224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MCAST_BLOCK_SOURCE 43 140224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MCAST_UNBLOCK_SOURCE 44 141224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MCAST_LEAVE_GROUP 45 142224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MCAST_JOIN_SOURCE_GROUP 46 143224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MCAST_LEAVE_SOURCE_GROUP 47 144224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MCAST_MSFILTER 48 145224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_MULTICAST_ALL 49 146224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_UNICAST_IF 50 147224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 148224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MCAST_EXCLUDE 0 149224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define MCAST_INCLUDE 1 150224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 151224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* These need to appear somewhere around here */ 152224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_DEFAULT_MULTICAST_TTL 1 153224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_DEFAULT_MULTICAST_LOOP 1 154224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 155224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Request struct for multicast socket ops */ 156224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 157224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct ip_mreq { 158224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct in_addr imr_multiaddr; /* IP multicast address of group */ 159224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct in_addr imr_interface; /* local IP address of interface */ 160224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 161224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 162224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct ip_mreqn { 163224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct in_addr imr_multiaddr; /* IP multicast address of group */ 164224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct in_addr imr_address; /* local IP address of interface */ 165224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int imr_ifindex; /* Interface index */ 166224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 167224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 168224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct ip_mreq_source { 169224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __be32 imr_multiaddr; 170224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __be32 imr_interface; 171224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __be32 imr_sourceaddr; 172224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 173224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 174224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct ip_msfilter { 175224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __be32 imsf_multiaddr; 176224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __be32 imsf_interface; 177224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 imsf_fmode; 178224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 imsf_numsrc; 179224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __be32 imsf_slist[1]; 180224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 181224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 182224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IP_MSFILTER_SIZE(numsrc) \ 183224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng (sizeof(struct ip_msfilter) - sizeof(__u32) \ 184224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng + (numsrc) * sizeof(__u32)) 185224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 186224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct group_req { 187224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 gr_interface; /* interface index */ 188224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct __kernel_sockaddr_storage gr_group; /* group address */ 189224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 190224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 191224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct group_source_req { 192224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 gsr_interface; /* interface index */ 193224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct __kernel_sockaddr_storage gsr_group; /* group address */ 194224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct __kernel_sockaddr_storage gsr_source; /* source address */ 195224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 196224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 197224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct group_filter { 198224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 gf_interface; /* interface index */ 199224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct __kernel_sockaddr_storage gf_group; /* multicast address */ 200224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 gf_fmode; /* filter mode */ 201224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __u32 gf_numsrc; /* number of sources */ 202224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct __kernel_sockaddr_storage gf_slist[1]; /* interface index */ 203224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 204224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 205224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define GROUP_FILTER_SIZE(numsrc) \ 206224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng (sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \ 207224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng + (numsrc) * sizeof(struct __kernel_sockaddr_storage)) 208224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 209224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct in_pktinfo { 210224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng int ipi_ifindex; 211224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct in_addr ipi_spec_dst; 212224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct in_addr ipi_addr; 213224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 214224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 215224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Structure describing an Internet (IP) socket address. */ 216224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */ 217224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Chengstruct sockaddr_in { 218224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __kernel_sa_family_t sin_family; /* Address family */ 219224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng __be16 sin_port; /* Port number */ 220224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng struct in_addr sin_addr; /* Internet address */ 221224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 222224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng /* Pad to size of `struct sockaddr'. */ 223224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng unsigned char __pad[__SOCK_SIZE__ - sizeof(short int) - 224224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng sizeof(unsigned short int) - sizeof(struct in_addr)]; 225224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng}; 226224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define sin_zero __pad /* for BSD UNIX comp. -FvK */ 227224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 228224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 229224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* 230224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * Definitions of the bits in an Internet address integer. 231224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * On subnets, host and network parts are found according 232224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng * to the subnet mask, not these masks. 233224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng */ 234224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSA(a) ((((long int) (a)) & 0x80000000) == 0) 235224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSA_NET 0xff000000 236224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSA_NSHIFT 24 237224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) 238224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSA_MAX 128 239224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 240224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000) 241224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSB_NET 0xffff0000 242224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSB_NSHIFT 16 243224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) 244224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSB_MAX 65536 245224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 246224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSC(a) ((((long int) (a)) & 0xe0000000) == 0xc0000000) 247224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSC_NET 0xffffff00 248224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSC_NSHIFT 8 249224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) 250224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 251224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) == 0xe0000000) 252224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_MULTICAST(a) IN_CLASSD(a) 253224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_MULTICAST_NET 0xF0000000 254224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 255224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000) 256224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_BADCLASS(a) IN_EXPERIMENTAL((a)) 257224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 258224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Address to accept any incoming messages. */ 259224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define INADDR_ANY ((unsigned long int) 0x00000000) 260224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 261224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Address to send to all hosts. */ 262224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define INADDR_BROADCAST ((unsigned long int) 0xffffffff) 263224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 264224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Address indicating an error return. */ 265224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define INADDR_NONE ((unsigned long int) 0xffffffff) 266224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 267224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Network number for local host loopback. */ 268224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_LOOPBACKNET 127 269224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 270224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Address to loopback in software to local host. */ 271224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */ 272224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000) 273224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 274224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* Defines for Multicast INADDR */ 275224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ 276224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ 277224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ 278224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ 279224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 280224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 281224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng/* <asm/byteorder.h> contains the htonl type stuff.. */ 282224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#include <asm/byteorder.h> 283224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 284224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng 285224b54f69543a5c0ec18f99bd717d2b724582eb6Ben Cheng#endif /* _UAPI_LINUX_IN_H */ 286