live 7ˆÔÓ „yÏÒÀÐ(ö7/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Definitions of the Internet Protocol. * * Version: @(#)in.h 1.0.1 04/21/93 * * Authors: Original taken from the GNU Project file. * Fred N. van Kempen, * * 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 _LINUX_IN_H #define _LINUX_IN_H #include #include #include #include #if __UAPI_DEF_IN_IPPROTO /* Standard well-defined IP protocols. */ enum { IPPROTO_IP = 0, /* Dummy protocol for TCP */ #define IPPROTO_IP IPPROTO_IP IPPROTO_ICMP = 1, /* Internet Control Message Protocol */ #define IPPROTO_ICMP IPPROTO_ICMP IPPROTO_IGMP = 2, /* Internet Group Management Protocol */ #define IPPROTO_IGMP IPPROTO_IGMP IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94) */ #define IPPROTO_IPIP IPPROTO_IPIP IPPROTO_TCP = 6, /* Transmission Control Protocol */ #define IPPROTO_TCP IPPROTO_TCP IPPROTO_EGP = 8, /* Exterior Gateway Protocol */ #define IPPROTO_EGP IPPROTO_EGP IPPROTO_PUP = 12, /* PUP protocol */ #define IPPROTO_PUP IPPROTO_PUP IPPROTO_UDP = 17, /* User Datagram Protocol */ #define IPPROTO_UDP IPPROTO_UDP IPPROTO_IDP = 22, /* XNS IDP protocol */ #define IPPROTO_IDP IPPROTO_IDP IPPROTO_TP = 29, /* SO Transport Protocol Class 4 */ #define IPPROTO_TP IPPROTO_TP IPPROTO_DCCP = 33, /* Datagram Congestion Control Protocol */ #define IPPROTO_DCCP IPPROTO_DCCP IPPROTO_IPV6 = 41, /* IPv6-in-IPv4 tunnelling */ #define IPPROTO_IPV6 IPPROTO_IPV6 IPPROTO_RSVP = 46, /* RSVP Protocol */ #define IPPROTO_RSVP IPPROTO_RSVP IPPROTO_GRE = 47, /* Cisco GRE tunnels (rfc 1701,1702) */ #define IPPROTO_GRE IPPROTO_GRE IPPROTO_ESP = 50, /* Encapsulation Security Payload protocol */ #define IPPROTO_ESP IPPROTO_ESP IPPROTO_AH = 51, /* Authentication Header protocol */ #define IPPROTO_AH IPPROTO_AH IPPROTO_MTP = 92, /* Multicast Transport Protocol */ #define IPPROTO_MTP IPPROTO_MTP IPPROTO_BEETPH = 94, /* IP option pseudo header for BEET */ #define IPPROTO_BEETPH IPPROTO_BEETPH IPPROTO_ENCAP = 98, /* Encapsulation Header */ #define IPPROTO_ENCAP IPPROTO_ENCAP IPPROTO_PIM = 103, /* Protocol Independent Multicast */ #define IPPROTO_PIM IPPROTO_PIM IPPROTO_COMP = 108, /* Compression Header Protocol */ #define IPPROTO_COMP IPPROTO_COMP IPPROTO_L2TP = 115, /* Layer 2 Tunnelling Protocol */ #define IPPROTO_L2TP IPPROTO_L2TP IPPROTO_SCTP = 132, /* Stream Control Transport Protocol */ #define IPPROTO_SCTP IPPROTO_SCTP IPPROTO_UDPLITE = 136, /* UDP-Lite (RFC 3828) */ #define IPPROTO_UDPLITE IPPROTO_UDPLITE IPPROTO_MPLS = 137, /* MPLS in IP (RFC 4023) */ #define IPPROTO_MPLS IPPROTO_MPLS IPPROTO_ETHERNET = 143, /* Ethernet-within-IPv6 Encapsulation */ #define IPPROTO_ETHERNET IPPROTO_ETHERNET IPPROTO_RAW = 255, /* Raw IP packets */ #define IPPROTO_RAW IPPROTO_RAW IPPROTO_SMC = 256, /* Shared Memory Communications */ #define IPPROTO_SMC IPPROTO_SMC IPPROTO_MPTCP = 262, /* Multipath TCP connection */ #define IPPROTO_MPTCP IPPROTO_MPTCP IPPROTO_MAX }; #endif #if __UAPI_DEF_IN_ADDR /* Internet address. */ struct in_addr { __be32 s_addr; }; #endif #define IP_TOS 1 #define IP_TTL 2 #define IP_HDRINCL 3 #define IP_OPTIONS 4 #define IP_ROUTER_ALERT 5 #define IP_RECVOPTS 6 #define IP_RETOPTS 7 #define IP_PKTINFO 8 #define IP_PKTOPTIONS 9 #define IP_MTU_DISCOVER 10 #define IP_RECVERR 11 #define IP_RECVTTL 12 #define IP_RECVTOS 13 #define IP_MTU 14 #define IP_FREEBIND 15 #define IP_IPSEC_