/* 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 <netinet/in.h> file. * Fred N. van Kempen, <[email protected]> * * 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_IN_H #define _UAPI_LINUX_IN_H #include <linux/types.h> #include <linux/stddef.h> #include <linux/libc-compat.h> #include <linux/socket.h> #if __UAPI_DEF_IN_IPPROTO /* Standard well-defined IP protocols. */ enum { … }; #endif #if __UAPI_DEF_IN_ADDR /* Internet address. */ struct in_addr { … }; #endif #define IP_TOS … #define IP_TTL … #define IP_HDRINCL … #define IP_OPTIONS … #define IP_ROUTER_ALERT … #define IP_RECVOPTS … #define IP_RETOPTS … #define IP_PKTINFO … #define IP_PKTOPTIONS … #define IP_MTU_DISCOVER … #define IP_RECVERR … #define IP_RECVTTL … #define IP_RECVTOS … #define IP_MTU … #define IP_FREEBIND … #define IP_IPSEC_POLICY … #define IP_XFRM_POLICY … #define IP_PASSSEC … #define IP_TRANSPARENT … /* BSD compatibility */ #define IP_RECVRETOPTS … /* TProxy original addresses */ #define IP_ORIGDSTADDR … #define IP_RECVORIGDSTADDR … #define IP_MINTTL … #define IP_NODEFRAG … #define IP_CHECKSUM … #define IP_BIND_ADDRESS_NO_PORT … #define IP_RECVFRAGSIZE … #define IP_RECVERR_RFC4884 … /* IP_MTU_DISCOVER values */ #define IP_PMTUDISC_DONT … #define IP_PMTUDISC_WANT … #define IP_PMTUDISC_DO … #define IP_PMTUDISC_PROBE … /* Always use interface mtu (ignores dst pmtu) but don't set DF flag. * Also incoming ICMP frag_needed notifications will be ignored on * this socket to prevent accepting spoofed ones. */ #define IP_PMTUDISC_INTERFACE … /* weaker version of IP_PMTUDISC_INTERFACE, which allows packets to get * fragmented if they exceed the interface mtu */ #define IP_PMTUDISC_OMIT … #define IP_MULTICAST_IF … #define IP_MULTICAST_TTL … #define IP_MULTICAST_LOOP … #define IP_ADD_MEMBERSHIP … #define IP_DROP_MEMBERSHIP … #define IP_UNBLOCK_SOURCE … #define IP_BLOCK_SOURCE … #define IP_ADD_SOURCE_MEMBERSHIP … #define IP_DROP_SOURCE_MEMBERSHIP … #define IP_MSFILTER … #define MCAST_JOIN_GROUP … #define MCAST_BLOCK_SOURCE … #define MCAST_UNBLOCK_SOURCE … #define MCAST_LEAVE_GROUP … #define MCAST_JOIN_SOURCE_GROUP … #define MCAST_LEAVE_SOURCE_GROUP … #define MCAST_MSFILTER … #define IP_MULTICAST_ALL … #define IP_UNICAST_IF … #define IP_LOCAL_PORT_RANGE … #define IP_PROTOCOL … #define MCAST_EXCLUDE … #define MCAST_INCLUDE … /* These need to appear somewhere around here */ #define IP_DEFAULT_MULTICAST_TTL … #define IP_DEFAULT_MULTICAST_LOOP … /* Request struct for multicast socket ops */ #if __UAPI_DEF_IP_MREQ struct ip_mreq { … }; struct ip_mreqn { … }; struct ip_mreq_source { … }; struct ip_msfilter { … }; #define IP_MSFILTER_SIZE(numsrc) … struct group_req { … }; struct group_source_req { … }; struct group_filter { … }; #define GROUP_FILTER_SIZE(numsrc) … #endif #if __UAPI_DEF_IN_PKTINFO struct in_pktinfo { … }; #endif /* Structure describing an Internet (IP) socket address. */ #if __UAPI_DEF_SOCKADDR_IN #define __SOCK_SIZE__ … struct sockaddr_in { … }; #define sin_zero … #endif #if __UAPI_DEF_IN_CLASS /* * Definitions of the bits in an Internet address integer. * On subnets, host and network parts are found according * to the subnet mask, not these masks. */ #define IN_CLASSA(a) … #define IN_CLASSA_NET … #define IN_CLASSA_NSHIFT … #define IN_CLASSA_HOST … #define IN_CLASSA_MAX … #define IN_CLASSB(a) … #define IN_CLASSB_NET … #define IN_CLASSB_NSHIFT … #define IN_CLASSB_HOST … #define IN_CLASSB_MAX … #define IN_CLASSC(a) … #define IN_CLASSC_NET … #define IN_CLASSC_NSHIFT … #define IN_CLASSC_HOST … #define IN_CLASSD(a) … #define IN_MULTICAST(a) … #define IN_MULTICAST_NET … #define IN_BADCLASS(a) … #define IN_EXPERIMENTAL(a) … #define IN_CLASSE(a) … #define IN_CLASSE_NET … #define IN_CLASSE_NSHIFT … /* Address to accept any incoming messages. */ #define INADDR_ANY … /* Address to send to all hosts. */ #define INADDR_BROADCAST … /* Address indicating an error return. */ #define INADDR_NONE … /* Dummy address for src of ICMP replies if no real address is set (RFC7600). */ #define INADDR_DUMMY … /* Network number for local host loopback. */ #define IN_LOOPBACKNET … /* Address to loopback in software to local host. */ #define INADDR_LOOPBACK … #define IN_LOOPBACK(a) … /* Defines for Multicast INADDR */ #define INADDR_UNSPEC_GROUP … #define INADDR_ALLHOSTS_GROUP … #define INADDR_ALLRTRS_GROUP … #define INADDR_ALLSNOOPERS_GROUP … #define INADDR_MAX_LOCAL_GROUP … #endif /* <asm/byteorder.h> contains the htonl type stuff.. */ #include <asm/byteorder.h> #endif /* _UAPI_LINUX_IN_H */
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