1*4dc78e53SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2*4dc78e53SAndroid Build Coastguard Worker /* 3*4dc78e53SAndroid Build Coastguard Worker * INET An implementation of the TCP/IP protocol suite for the LINUX 4*4dc78e53SAndroid Build Coastguard Worker * operating system. INET is implemented using the BSD Socket 5*4dc78e53SAndroid Build Coastguard Worker * interface as the means of communication with the user level. 6*4dc78e53SAndroid Build Coastguard Worker * 7*4dc78e53SAndroid Build Coastguard Worker * Definitions of the Internet Protocol. 8*4dc78e53SAndroid Build Coastguard Worker * 9*4dc78e53SAndroid Build Coastguard Worker * Version: @(#)in.h 1.0.1 04/21/93 10*4dc78e53SAndroid Build Coastguard Worker * 11*4dc78e53SAndroid Build Coastguard Worker * Authors: Original taken from the GNU Project <netinet/in.h> file. 12*4dc78e53SAndroid Build Coastguard Worker * Fred N. van Kempen, <[email protected]> 13*4dc78e53SAndroid Build Coastguard Worker * 14*4dc78e53SAndroid Build Coastguard Worker * This program is free software; you can redistribute it and/or 15*4dc78e53SAndroid Build Coastguard Worker * modify it under the terms of the GNU General Public License 16*4dc78e53SAndroid Build Coastguard Worker * as published by the Free Software Foundation; either version 17*4dc78e53SAndroid Build Coastguard Worker * 2 of the License, or (at your option) any later version. 18*4dc78e53SAndroid Build Coastguard Worker */ 19*4dc78e53SAndroid Build Coastguard Worker #ifndef _LINUX_IN_H 20*4dc78e53SAndroid Build Coastguard Worker #define _LINUX_IN_H 21*4dc78e53SAndroid Build Coastguard Worker 22*4dc78e53SAndroid Build Coastguard Worker #include <linux/types.h> 23*4dc78e53SAndroid Build Coastguard Worker #include <linux/stddef.h> 24*4dc78e53SAndroid Build Coastguard Worker #include <linux/libc-compat.h> 25*4dc78e53SAndroid Build Coastguard Worker #include <linux/socket.h> 26*4dc78e53SAndroid Build Coastguard Worker 27*4dc78e53SAndroid Build Coastguard Worker #if __UAPI_DEF_IN_IPPROTO 28*4dc78e53SAndroid Build Coastguard Worker /* Standard well-defined IP protocols. */ 29*4dc78e53SAndroid Build Coastguard Worker enum { 30*4dc78e53SAndroid Build Coastguard Worker IPPROTO_IP = 0, /* Dummy protocol for TCP */ 31*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_IP IPPROTO_IP 32*4dc78e53SAndroid Build Coastguard Worker IPPROTO_ICMP = 1, /* Internet Control Message Protocol */ 33*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_ICMP IPPROTO_ICMP 34*4dc78e53SAndroid Build Coastguard Worker IPPROTO_IGMP = 2, /* Internet Group Management Protocol */ 35*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_IGMP IPPROTO_IGMP 36*4dc78e53SAndroid Build Coastguard Worker IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94) */ 37*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_IPIP IPPROTO_IPIP 38*4dc78e53SAndroid Build Coastguard Worker IPPROTO_TCP = 6, /* Transmission Control Protocol */ 39*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_TCP IPPROTO_TCP 40*4dc78e53SAndroid Build Coastguard Worker IPPROTO_EGP = 8, /* Exterior Gateway Protocol */ 41*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_EGP IPPROTO_EGP 42*4dc78e53SAndroid Build Coastguard Worker IPPROTO_PUP = 12, /* PUP protocol */ 43*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_PUP IPPROTO_PUP 44*4dc78e53SAndroid Build Coastguard Worker IPPROTO_UDP = 17, /* User Datagram Protocol */ 45*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_UDP IPPROTO_UDP 46*4dc78e53SAndroid Build Coastguard Worker IPPROTO_IDP = 22, /* XNS IDP protocol */ 47*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_IDP IPPROTO_IDP 48*4dc78e53SAndroid Build Coastguard Worker IPPROTO_TP = 29, /* SO Transport Protocol Class 4 */ 49*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_TP IPPROTO_TP 50*4dc78e53SAndroid Build Coastguard Worker IPPROTO_DCCP = 33, /* Datagram Congestion Control Protocol */ 51*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_DCCP IPPROTO_DCCP 52*4dc78e53SAndroid Build Coastguard Worker IPPROTO_IPV6 = 41, /* IPv6-in-IPv4 tunnelling */ 53*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_IPV6 IPPROTO_IPV6 54*4dc78e53SAndroid Build Coastguard Worker IPPROTO_RSVP = 46, /* RSVP Protocol */ 55*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_RSVP IPPROTO_RSVP 56*4dc78e53SAndroid Build Coastguard Worker IPPROTO_GRE = 47, /* Cisco GRE tunnels (rfc 1701,1702) */ 57*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_GRE IPPROTO_GRE 58*4dc78e53SAndroid Build Coastguard Worker IPPROTO_ESP = 50, /* Encapsulation Security Payload protocol */ 59*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_ESP IPPROTO_ESP 60*4dc78e53SAndroid Build Coastguard Worker IPPROTO_AH = 51, /* Authentication Header protocol */ 61*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_AH IPPROTO_AH 62*4dc78e53SAndroid Build Coastguard Worker IPPROTO_MTP = 92, /* Multicast Transport Protocol */ 63*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_MTP IPPROTO_MTP 64*4dc78e53SAndroid Build Coastguard Worker IPPROTO_BEETPH = 94, /* IP option pseudo header for BEET */ 65*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_BEETPH IPPROTO_BEETPH 66*4dc78e53SAndroid Build Coastguard Worker IPPROTO_ENCAP = 98, /* Encapsulation Header */ 67*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_ENCAP IPPROTO_ENCAP 68*4dc78e53SAndroid Build Coastguard Worker IPPROTO_PIM = 103, /* Protocol Independent Multicast */ 69*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_PIM IPPROTO_PIM 70*4dc78e53SAndroid Build Coastguard Worker IPPROTO_COMP = 108, /* Compression Header Protocol */ 71*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_COMP IPPROTO_COMP 72*4dc78e53SAndroid Build Coastguard Worker IPPROTO_L2TP = 115, /* Layer 2 Tunnelling Protocol */ 73*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_L2TP IPPROTO_L2TP 74*4dc78e53SAndroid Build Coastguard Worker IPPROTO_SCTP = 132, /* Stream Control Transport Protocol */ 75*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_SCTP IPPROTO_SCTP 76*4dc78e53SAndroid Build Coastguard Worker IPPROTO_UDPLITE = 136, /* UDP-Lite (RFC 3828) */ 77*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_UDPLITE IPPROTO_UDPLITE 78*4dc78e53SAndroid Build Coastguard Worker IPPROTO_MPLS = 137, /* MPLS in IP (RFC 4023) */ 79*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_MPLS IPPROTO_MPLS 80*4dc78e53SAndroid Build Coastguard Worker IPPROTO_ETHERNET = 143, /* Ethernet-within-IPv6 Encapsulation */ 81*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_ETHERNET IPPROTO_ETHERNET 82*4dc78e53SAndroid Build Coastguard Worker IPPROTO_RAW = 255, /* Raw IP packets */ 83*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_RAW IPPROTO_RAW 84*4dc78e53SAndroid Build Coastguard Worker IPPROTO_MPTCP = 262, /* Multipath TCP connection */ 85*4dc78e53SAndroid Build Coastguard Worker #define IPPROTO_MPTCP IPPROTO_MPTCP 86*4dc78e53SAndroid Build Coastguard Worker IPPROTO_MAX 87*4dc78e53SAndroid Build Coastguard Worker }; 88*4dc78e53SAndroid Build Coastguard Worker #endif 89*4dc78e53SAndroid Build Coastguard Worker 90*4dc78e53SAndroid Build Coastguard Worker #if __UAPI_DEF_IN_ADDR 91*4dc78e53SAndroid Build Coastguard Worker /* Internet address. */ 92*4dc78e53SAndroid Build Coastguard Worker struct in_addr { 93*4dc78e53SAndroid Build Coastguard Worker __be32 s_addr; 94*4dc78e53SAndroid Build Coastguard Worker }; 95*4dc78e53SAndroid Build Coastguard Worker #endif 96*4dc78e53SAndroid Build Coastguard Worker 97*4dc78e53SAndroid Build Coastguard Worker #define IP_TOS 1 98*4dc78e53SAndroid Build Coastguard Worker #define IP_TTL 2 99*4dc78e53SAndroid Build Coastguard Worker #define IP_HDRINCL 3 100*4dc78e53SAndroid Build Coastguard Worker #define IP_OPTIONS 4 101*4dc78e53SAndroid Build Coastguard Worker #define IP_ROUTER_ALERT 5 102*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVOPTS 6 103*4dc78e53SAndroid Build Coastguard Worker #define IP_RETOPTS 7 104*4dc78e53SAndroid Build Coastguard Worker #define IP_PKTINFO 8 105*4dc78e53SAndroid Build Coastguard Worker #define IP_PKTOPTIONS 9 106*4dc78e53SAndroid Build Coastguard Worker #define IP_MTU_DISCOVER 10 107*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVERR 11 108*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVTTL 12 109*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVTOS 13 110*4dc78e53SAndroid Build Coastguard Worker #define IP_MTU 14 111*4dc78e53SAndroid Build Coastguard Worker #define IP_FREEBIND 15 112*4dc78e53SAndroid Build Coastguard Worker #define IP_IPSEC_POLICY 16 113*4dc78e53SAndroid Build Coastguard Worker #define IP_XFRM_POLICY 17 114*4dc78e53SAndroid Build Coastguard Worker #define IP_PASSSEC 18 115*4dc78e53SAndroid Build Coastguard Worker #define IP_TRANSPARENT 19 116*4dc78e53SAndroid Build Coastguard Worker 117*4dc78e53SAndroid Build Coastguard Worker /* BSD compatibility */ 118*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVRETOPTS IP_RETOPTS 119*4dc78e53SAndroid Build Coastguard Worker 120*4dc78e53SAndroid Build Coastguard Worker /* TProxy original addresses */ 121*4dc78e53SAndroid Build Coastguard Worker #define IP_ORIGDSTADDR 20 122*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVORIGDSTADDR IP_ORIGDSTADDR 123*4dc78e53SAndroid Build Coastguard Worker 124*4dc78e53SAndroid Build Coastguard Worker #define IP_MINTTL 21 125*4dc78e53SAndroid Build Coastguard Worker #define IP_NODEFRAG 22 126*4dc78e53SAndroid Build Coastguard Worker #define IP_CHECKSUM 23 127*4dc78e53SAndroid Build Coastguard Worker #define IP_BIND_ADDRESS_NO_PORT 24 128*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVFRAGSIZE 25 129*4dc78e53SAndroid Build Coastguard Worker #define IP_RECVERR_RFC4884 26 130*4dc78e53SAndroid Build Coastguard Worker 131*4dc78e53SAndroid Build Coastguard Worker /* IP_MTU_DISCOVER values */ 132*4dc78e53SAndroid Build Coastguard Worker #define IP_PMTUDISC_DONT 0 /* Never send DF frames */ 133*4dc78e53SAndroid Build Coastguard Worker #define IP_PMTUDISC_WANT 1 /* Use per route hints */ 134*4dc78e53SAndroid Build Coastguard Worker #define IP_PMTUDISC_DO 2 /* Always DF */ 135*4dc78e53SAndroid Build Coastguard Worker #define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu */ 136*4dc78e53SAndroid Build Coastguard Worker /* Always use interface mtu (ignores dst pmtu) but don't set DF flag. 137*4dc78e53SAndroid Build Coastguard Worker * Also incoming ICMP frag_needed notifications will be ignored on 138*4dc78e53SAndroid Build Coastguard Worker * this socket to prevent accepting spoofed ones. 139*4dc78e53SAndroid Build Coastguard Worker */ 140*4dc78e53SAndroid Build Coastguard Worker #define IP_PMTUDISC_INTERFACE 4 141*4dc78e53SAndroid Build Coastguard Worker /* weaker version of IP_PMTUDISC_INTERFACE, which allows packets to get 142*4dc78e53SAndroid Build Coastguard Worker * fragmented if they exeed the interface mtu 143*4dc78e53SAndroid Build Coastguard Worker */ 144*4dc78e53SAndroid Build Coastguard Worker #define IP_PMTUDISC_OMIT 5 145*4dc78e53SAndroid Build Coastguard Worker 146*4dc78e53SAndroid Build Coastguard Worker #define IP_MULTICAST_IF 32 147*4dc78e53SAndroid Build Coastguard Worker #define IP_MULTICAST_TTL 33 148*4dc78e53SAndroid Build Coastguard Worker #define IP_MULTICAST_LOOP 34 149*4dc78e53SAndroid Build Coastguard Worker #define IP_ADD_MEMBERSHIP 35 150*4dc78e53SAndroid Build Coastguard Worker #define IP_DROP_MEMBERSHIP 36 151*4dc78e53SAndroid Build Coastguard Worker #define IP_UNBLOCK_SOURCE 37 152*4dc78e53SAndroid Build Coastguard Worker #define IP_BLOCK_SOURCE 38 153*4dc78e53SAndroid Build Coastguard Worker #define IP_ADD_SOURCE_MEMBERSHIP 39 154*4dc78e53SAndroid Build Coastguard Worker #define IP_DROP_SOURCE_MEMBERSHIP 40 155*4dc78e53SAndroid Build Coastguard Worker #define IP_MSFILTER 41 156*4dc78e53SAndroid Build Coastguard Worker #define MCAST_JOIN_GROUP 42 157*4dc78e53SAndroid Build Coastguard Worker #define MCAST_BLOCK_SOURCE 43 158*4dc78e53SAndroid Build Coastguard Worker #define MCAST_UNBLOCK_SOURCE 44 159*4dc78e53SAndroid Build Coastguard Worker #define MCAST_LEAVE_GROUP 45 160*4dc78e53SAndroid Build Coastguard Worker #define MCAST_JOIN_SOURCE_GROUP 46 161*4dc78e53SAndroid Build Coastguard Worker #define MCAST_LEAVE_SOURCE_GROUP 47 162*4dc78e53SAndroid Build Coastguard Worker #define MCAST_MSFILTER 48 163*4dc78e53SAndroid Build Coastguard Worker #define IP_MULTICAST_ALL 49 164*4dc78e53SAndroid Build Coastguard Worker #define IP_UNICAST_IF 50 165*4dc78e53SAndroid Build Coastguard Worker #define IP_LOCAL_PORT_RANGE 51 166*4dc78e53SAndroid Build Coastguard Worker #define IP_PROTOCOL 52 167*4dc78e53SAndroid Build Coastguard Worker 168*4dc78e53SAndroid Build Coastguard Worker #define MCAST_EXCLUDE 0 169*4dc78e53SAndroid Build Coastguard Worker #define MCAST_INCLUDE 1 170*4dc78e53SAndroid Build Coastguard Worker 171*4dc78e53SAndroid Build Coastguard Worker /* These need to appear somewhere around here */ 172*4dc78e53SAndroid Build Coastguard Worker #define IP_DEFAULT_MULTICAST_TTL 1 173*4dc78e53SAndroid Build Coastguard Worker #define IP_DEFAULT_MULTICAST_LOOP 1 174*4dc78e53SAndroid Build Coastguard Worker 175*4dc78e53SAndroid Build Coastguard Worker /* Request struct for multicast socket ops */ 176*4dc78e53SAndroid Build Coastguard Worker 177*4dc78e53SAndroid Build Coastguard Worker #if __UAPI_DEF_IP_MREQ 178*4dc78e53SAndroid Build Coastguard Worker struct ip_mreq { 179*4dc78e53SAndroid Build Coastguard Worker struct in_addr imr_multiaddr; /* IP multicast address of group */ 180*4dc78e53SAndroid Build Coastguard Worker struct in_addr imr_interface; /* local IP address of interface */ 181*4dc78e53SAndroid Build Coastguard Worker }; 182*4dc78e53SAndroid Build Coastguard Worker 183*4dc78e53SAndroid Build Coastguard Worker struct ip_mreqn { 184*4dc78e53SAndroid Build Coastguard Worker struct in_addr imr_multiaddr; /* IP multicast address of group */ 185*4dc78e53SAndroid Build Coastguard Worker struct in_addr imr_address; /* local IP address of interface */ 186*4dc78e53SAndroid Build Coastguard Worker int imr_ifindex; /* Interface index */ 187*4dc78e53SAndroid Build Coastguard Worker }; 188*4dc78e53SAndroid Build Coastguard Worker 189*4dc78e53SAndroid Build Coastguard Worker struct ip_mreq_source { 190*4dc78e53SAndroid Build Coastguard Worker __be32 imr_multiaddr; 191*4dc78e53SAndroid Build Coastguard Worker __be32 imr_interface; 192*4dc78e53SAndroid Build Coastguard Worker __be32 imr_sourceaddr; 193*4dc78e53SAndroid Build Coastguard Worker }; 194*4dc78e53SAndroid Build Coastguard Worker 195*4dc78e53SAndroid Build Coastguard Worker struct ip_msfilter { 196*4dc78e53SAndroid Build Coastguard Worker __be32 imsf_multiaddr; 197*4dc78e53SAndroid Build Coastguard Worker __be32 imsf_interface; 198*4dc78e53SAndroid Build Coastguard Worker __u32 imsf_fmode; 199*4dc78e53SAndroid Build Coastguard Worker __u32 imsf_numsrc; 200*4dc78e53SAndroid Build Coastguard Worker union { 201*4dc78e53SAndroid Build Coastguard Worker __be32 imsf_slist[1]; 202*4dc78e53SAndroid Build Coastguard Worker __DECLARE_FLEX_ARRAY(__be32, imsf_slist_flex); 203*4dc78e53SAndroid Build Coastguard Worker }; 204*4dc78e53SAndroid Build Coastguard Worker }; 205*4dc78e53SAndroid Build Coastguard Worker 206*4dc78e53SAndroid Build Coastguard Worker #define IP_MSFILTER_SIZE(numsrc) \ 207*4dc78e53SAndroid Build Coastguard Worker (sizeof(struct ip_msfilter) - sizeof(__u32) \ 208*4dc78e53SAndroid Build Coastguard Worker + (numsrc) * sizeof(__u32)) 209*4dc78e53SAndroid Build Coastguard Worker 210*4dc78e53SAndroid Build Coastguard Worker struct group_req { 211*4dc78e53SAndroid Build Coastguard Worker __u32 gr_interface; /* interface index */ 212*4dc78e53SAndroid Build Coastguard Worker struct __kernel_sockaddr_storage gr_group; /* group address */ 213*4dc78e53SAndroid Build Coastguard Worker }; 214*4dc78e53SAndroid Build Coastguard Worker 215*4dc78e53SAndroid Build Coastguard Worker struct group_source_req { 216*4dc78e53SAndroid Build Coastguard Worker __u32 gsr_interface; /* interface index */ 217*4dc78e53SAndroid Build Coastguard Worker struct __kernel_sockaddr_storage gsr_group; /* group address */ 218*4dc78e53SAndroid Build Coastguard Worker struct __kernel_sockaddr_storage gsr_source; /* source address */ 219*4dc78e53SAndroid Build Coastguard Worker }; 220*4dc78e53SAndroid Build Coastguard Worker 221*4dc78e53SAndroid Build Coastguard Worker struct group_filter { 222*4dc78e53SAndroid Build Coastguard Worker union { 223*4dc78e53SAndroid Build Coastguard Worker struct { 224*4dc78e53SAndroid Build Coastguard Worker __u32 gf_interface_aux; /* interface index */ 225*4dc78e53SAndroid Build Coastguard Worker struct __kernel_sockaddr_storage gf_group_aux; /* multicast address */ 226*4dc78e53SAndroid Build Coastguard Worker __u32 gf_fmode_aux; /* filter mode */ 227*4dc78e53SAndroid Build Coastguard Worker __u32 gf_numsrc_aux; /* number of sources */ 228*4dc78e53SAndroid Build Coastguard Worker struct __kernel_sockaddr_storage gf_slist[1]; /* interface index */ 229*4dc78e53SAndroid Build Coastguard Worker }; 230*4dc78e53SAndroid Build Coastguard Worker struct { 231*4dc78e53SAndroid Build Coastguard Worker __u32 gf_interface; /* interface index */ 232*4dc78e53SAndroid Build Coastguard Worker struct __kernel_sockaddr_storage gf_group; /* multicast address */ 233*4dc78e53SAndroid Build Coastguard Worker __u32 gf_fmode; /* filter mode */ 234*4dc78e53SAndroid Build Coastguard Worker __u32 gf_numsrc; /* number of sources */ 235*4dc78e53SAndroid Build Coastguard Worker struct __kernel_sockaddr_storage gf_slist_flex[]; /* interface index */ 236*4dc78e53SAndroid Build Coastguard Worker }; 237*4dc78e53SAndroid Build Coastguard Worker }; 238*4dc78e53SAndroid Build Coastguard Worker }; 239*4dc78e53SAndroid Build Coastguard Worker 240*4dc78e53SAndroid Build Coastguard Worker #define GROUP_FILTER_SIZE(numsrc) \ 241*4dc78e53SAndroid Build Coastguard Worker (sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \ 242*4dc78e53SAndroid Build Coastguard Worker + (numsrc) * sizeof(struct __kernel_sockaddr_storage)) 243*4dc78e53SAndroid Build Coastguard Worker #endif 244*4dc78e53SAndroid Build Coastguard Worker 245*4dc78e53SAndroid Build Coastguard Worker #if __UAPI_DEF_IN_PKTINFO 246*4dc78e53SAndroid Build Coastguard Worker struct in_pktinfo { 247*4dc78e53SAndroid Build Coastguard Worker int ipi_ifindex; 248*4dc78e53SAndroid Build Coastguard Worker struct in_addr ipi_spec_dst; 249*4dc78e53SAndroid Build Coastguard Worker struct in_addr ipi_addr; 250*4dc78e53SAndroid Build Coastguard Worker }; 251*4dc78e53SAndroid Build Coastguard Worker #endif 252*4dc78e53SAndroid Build Coastguard Worker 253*4dc78e53SAndroid Build Coastguard Worker /* Structure describing an Internet (IP) socket address. */ 254*4dc78e53SAndroid Build Coastguard Worker #if __UAPI_DEF_SOCKADDR_IN 255*4dc78e53SAndroid Build Coastguard Worker #define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */ 256*4dc78e53SAndroid Build Coastguard Worker struct sockaddr_in { 257*4dc78e53SAndroid Build Coastguard Worker __kernel_sa_family_t sin_family; /* Address family */ 258*4dc78e53SAndroid Build Coastguard Worker __be16 sin_port; /* Port number */ 259*4dc78e53SAndroid Build Coastguard Worker struct in_addr sin_addr; /* Internet address */ 260*4dc78e53SAndroid Build Coastguard Worker 261*4dc78e53SAndroid Build Coastguard Worker /* Pad to size of `struct sockaddr'. */ 262*4dc78e53SAndroid Build Coastguard Worker unsigned char __pad[__SOCK_SIZE__ - sizeof(short int) - 263*4dc78e53SAndroid Build Coastguard Worker sizeof(unsigned short int) - sizeof(struct in_addr)]; 264*4dc78e53SAndroid Build Coastguard Worker }; 265*4dc78e53SAndroid Build Coastguard Worker #define sin_zero __pad /* for BSD UNIX comp. -FvK */ 266*4dc78e53SAndroid Build Coastguard Worker #endif 267*4dc78e53SAndroid Build Coastguard Worker 268*4dc78e53SAndroid Build Coastguard Worker #if __UAPI_DEF_IN_CLASS 269*4dc78e53SAndroid Build Coastguard Worker /* 270*4dc78e53SAndroid Build Coastguard Worker * Definitions of the bits in an Internet address integer. 271*4dc78e53SAndroid Build Coastguard Worker * On subnets, host and network parts are found according 272*4dc78e53SAndroid Build Coastguard Worker * to the subnet mask, not these masks. 273*4dc78e53SAndroid Build Coastguard Worker */ 274*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSA(a) ((((long int) (a)) & 0x80000000) == 0) 275*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSA_NET 0xff000000 276*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSA_NSHIFT 24 277*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) 278*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSA_MAX 128 279*4dc78e53SAndroid Build Coastguard Worker 280*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000) 281*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSB_NET 0xffff0000 282*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSB_NSHIFT 16 283*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) 284*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSB_MAX 65536 285*4dc78e53SAndroid Build Coastguard Worker 286*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSC(a) ((((long int) (a)) & 0xe0000000) == 0xc0000000) 287*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSC_NET 0xffffff00 288*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSC_NSHIFT 8 289*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) 290*4dc78e53SAndroid Build Coastguard Worker 291*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) == 0xe0000000) 292*4dc78e53SAndroid Build Coastguard Worker #define IN_MULTICAST(a) IN_CLASSD(a) 293*4dc78e53SAndroid Build Coastguard Worker #define IN_MULTICAST_NET 0xe0000000 294*4dc78e53SAndroid Build Coastguard Worker 295*4dc78e53SAndroid Build Coastguard Worker #define IN_BADCLASS(a) (((long int) (a) ) == (long int)0xffffffff) 296*4dc78e53SAndroid Build Coastguard Worker #define IN_EXPERIMENTAL(a) IN_BADCLASS((a)) 297*4dc78e53SAndroid Build Coastguard Worker 298*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSE(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000) 299*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSE_NET 0xffffffff 300*4dc78e53SAndroid Build Coastguard Worker #define IN_CLASSE_NSHIFT 0 301*4dc78e53SAndroid Build Coastguard Worker 302*4dc78e53SAndroid Build Coastguard Worker /* Address to accept any incoming messages. */ 303*4dc78e53SAndroid Build Coastguard Worker #define INADDR_ANY ((unsigned long int) 0x00000000) 304*4dc78e53SAndroid Build Coastguard Worker 305*4dc78e53SAndroid Build Coastguard Worker /* Address to send to all hosts. */ 306*4dc78e53SAndroid Build Coastguard Worker #define INADDR_BROADCAST ((unsigned long int) 0xffffffff) 307*4dc78e53SAndroid Build Coastguard Worker 308*4dc78e53SAndroid Build Coastguard Worker /* Address indicating an error return. */ 309*4dc78e53SAndroid Build Coastguard Worker #define INADDR_NONE ((unsigned long int) 0xffffffff) 310*4dc78e53SAndroid Build Coastguard Worker 311*4dc78e53SAndroid Build Coastguard Worker /* Dummy address for src of ICMP replies if no real address is set (RFC7600). */ 312*4dc78e53SAndroid Build Coastguard Worker #define INADDR_DUMMY ((unsigned long int) 0xc0000008) 313*4dc78e53SAndroid Build Coastguard Worker 314*4dc78e53SAndroid Build Coastguard Worker /* Network number for local host loopback. */ 315*4dc78e53SAndroid Build Coastguard Worker #define IN_LOOPBACKNET 127 316*4dc78e53SAndroid Build Coastguard Worker 317*4dc78e53SAndroid Build Coastguard Worker /* Address to loopback in software to local host. */ 318*4dc78e53SAndroid Build Coastguard Worker #define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */ 319*4dc78e53SAndroid Build Coastguard Worker #define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000) 320*4dc78e53SAndroid Build Coastguard Worker 321*4dc78e53SAndroid Build Coastguard Worker /* Defines for Multicast INADDR */ 322*4dc78e53SAndroid Build Coastguard Worker #define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ 323*4dc78e53SAndroid Build Coastguard Worker #define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ 324*4dc78e53SAndroid Build Coastguard Worker #define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ 325*4dc78e53SAndroid Build Coastguard Worker #define INADDR_ALLSNOOPERS_GROUP 0xe000006aU /* 224.0.0.106 */ 326*4dc78e53SAndroid Build Coastguard Worker #define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ 327*4dc78e53SAndroid Build Coastguard Worker #endif 328*4dc78e53SAndroid Build Coastguard Worker 329*4dc78e53SAndroid Build Coastguard Worker /* <asm/byteorder.h> contains the htonl type stuff.. */ 330*4dc78e53SAndroid Build Coastguard Worker #include <asm/byteorder.h> 331*4dc78e53SAndroid Build Coastguard Worker 332*4dc78e53SAndroid Build Coastguard Worker 333*4dc78e53SAndroid Build Coastguard Worker #endif /* _LINUX_IN_H */ 334