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311 lines
9.9 KiB
311 lines
9.9 KiB
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
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/* |
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* INET An implementation of the TCP/IP protocol suite for the LINUX |
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* operating system. INET is implemented using the BSD Socket |
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* interface as the means of communication with the user level. |
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* |
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* Definitions of the Internet Protocol. |
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* |
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* Version: @(#)in.h 1.0.1 04/21/93 |
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* |
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* Authors: Original taken from the GNU Project <netinet/in.h> file. |
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* Fred N. van Kempen, <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version |
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* 2 of the License, or (at your option) any later version. |
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*/ |
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#ifndef _UAPI_LINUX_IN_H |
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#define _UAPI_LINUX_IN_H |
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#include <linux/types.h> |
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#include <linux/libc-compat.h> |
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#include <linux/socket.h> |
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#if __UAPI_DEF_IN_IPPROTO |
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/* Standard well-defined IP protocols. */ |
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enum { |
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IPPROTO_IP = 0, /* Dummy protocol for TCP */ |
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#define IPPROTO_IP IPPROTO_IP |
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IPPROTO_ICMP = 1, /* Internet Control Message Protocol */ |
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#define IPPROTO_ICMP IPPROTO_ICMP |
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IPPROTO_IGMP = 2, /* Internet Group Management Protocol */ |
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#define IPPROTO_IGMP IPPROTO_IGMP |
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IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94) */ |
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#define IPPROTO_IPIP IPPROTO_IPIP |
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IPPROTO_TCP = 6, /* Transmission Control Protocol */ |
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#define IPPROTO_TCP IPPROTO_TCP |
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IPPROTO_EGP = 8, /* Exterior Gateway Protocol */ |
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#define IPPROTO_EGP IPPROTO_EGP |
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IPPROTO_PUP = 12, /* PUP protocol */ |
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#define IPPROTO_PUP IPPROTO_PUP |
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IPPROTO_UDP = 17, /* User Datagram Protocol */ |
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#define IPPROTO_UDP IPPROTO_UDP |
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IPPROTO_IDP = 22, /* XNS IDP protocol */ |
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#define IPPROTO_IDP IPPROTO_IDP |
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IPPROTO_TP = 29, /* SO Transport Protocol Class 4 */ |
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#define IPPROTO_TP IPPROTO_TP |
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IPPROTO_DCCP = 33, /* Datagram Congestion Control Protocol */ |
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#define IPPROTO_DCCP IPPROTO_DCCP |
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IPPROTO_IPV6 = 41, /* IPv6-in-IPv4 tunnelling */ |
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#define IPPROTO_IPV6 IPPROTO_IPV6 |
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IPPROTO_RSVP = 46, /* RSVP Protocol */ |
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#define IPPROTO_RSVP IPPROTO_RSVP |
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IPPROTO_GRE = 47, /* Cisco GRE tunnels (rfc 1701,1702) */ |
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#define IPPROTO_GRE IPPROTO_GRE |
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IPPROTO_ESP = 50, /* Encapsulation Security Payload protocol */ |
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#define IPPROTO_ESP IPPROTO_ESP |
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IPPROTO_AH = 51, /* Authentication Header protocol */ |
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#define IPPROTO_AH IPPROTO_AH |
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IPPROTO_MTP = 92, /* Multicast Transport Protocol */ |
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#define IPPROTO_MTP IPPROTO_MTP |
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IPPROTO_BEETPH = 94, /* IP option pseudo header for BEET */ |
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#define IPPROTO_BEETPH IPPROTO_BEETPH |
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IPPROTO_ENCAP = 98, /* Encapsulation Header */ |
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#define IPPROTO_ENCAP IPPROTO_ENCAP |
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IPPROTO_PIM = 103, /* Protocol Independent Multicast */ |
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#define IPPROTO_PIM IPPROTO_PIM |
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IPPROTO_COMP = 108, /* Compression Header Protocol */ |
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#define IPPROTO_COMP IPPROTO_COMP |
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IPPROTO_SCTP = 132, /* Stream Control Transport Protocol */ |
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#define IPPROTO_SCTP IPPROTO_SCTP |
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IPPROTO_UDPLITE = 136, /* UDP-Lite (RFC 3828) */ |
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#define IPPROTO_UDPLITE IPPROTO_UDPLITE |
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IPPROTO_MPLS = 137, /* MPLS in IP (RFC 4023) */ |
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#define IPPROTO_MPLS IPPROTO_MPLS |
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IPPROTO_ETHERNET = 143, /* Ethernet-within-IPv6 Encapsulation */ |
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#define IPPROTO_ETHERNET IPPROTO_ETHERNET |
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IPPROTO_RAW = 255, /* Raw IP packets */ |
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#define IPPROTO_RAW IPPROTO_RAW |
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IPPROTO_MPTCP = 262, /* Multipath TCP connection */ |
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#define IPPROTO_MPTCP IPPROTO_MPTCP |
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IPPROTO_MAX |
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}; |
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#endif |
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#if __UAPI_DEF_IN_ADDR |
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/* Internet address. */ |
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struct in_addr { |
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__be32 s_addr; |
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}; |
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#endif |
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#define IP_TOS 1 |
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#define IP_TTL 2 |
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#define IP_HDRINCL 3 |
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#define IP_OPTIONS 4 |
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#define IP_ROUTER_ALERT 5 |
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#define IP_RECVOPTS 6 |
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#define IP_RETOPTS 7 |
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#define IP_PKTINFO 8 |
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#define IP_PKTOPTIONS 9 |
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#define IP_MTU_DISCOVER 10 |
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#define IP_RECVERR 11 |
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#define IP_RECVTTL 12 |
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#define IP_RECVTOS 13 |
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#define IP_MTU 14 |
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#define IP_FREEBIND 15 |
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#define IP_IPSEC_POLICY 16 |
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#define IP_XFRM_POLICY 17 |
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#define IP_PASSSEC 18 |
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#define IP_TRANSPARENT 19 |
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/* BSD compatibility */ |
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#define IP_RECVRETOPTS IP_RETOPTS |
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/* TProxy original addresses */ |
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#define IP_ORIGDSTADDR 20 |
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#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR |
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#define IP_MINTTL 21 |
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#define IP_NODEFRAG 22 |
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#define IP_CHECKSUM 23 |
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#define IP_BIND_ADDRESS_NO_PORT 24 |
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#define IP_RECVFRAGSIZE 25 |
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#define IP_RECVERR_RFC4884 26 |
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/* IP_MTU_DISCOVER values */ |
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#define IP_PMTUDISC_DONT 0 /* Never send DF frames */ |
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#define IP_PMTUDISC_WANT 1 /* Use per route hints */ |
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#define IP_PMTUDISC_DO 2 /* Always DF */ |
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#define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu */ |
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/* Always use interface mtu (ignores dst pmtu) but don't set DF flag. |
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* Also incoming ICMP frag_needed notifications will be ignored on |
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* this socket to prevent accepting spoofed ones. |
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*/ |
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#define IP_PMTUDISC_INTERFACE 4 |
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/* weaker version of IP_PMTUDISC_INTERFACE, which allows packets to get |
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* fragmented if they exeed the interface mtu |
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*/ |
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#define IP_PMTUDISC_OMIT 5 |
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#define IP_MULTICAST_IF 32 |
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#define IP_MULTICAST_TTL 33 |
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#define IP_MULTICAST_LOOP 34 |
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#define IP_ADD_MEMBERSHIP 35 |
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#define IP_DROP_MEMBERSHIP 36 |
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#define IP_UNBLOCK_SOURCE 37 |
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#define IP_BLOCK_SOURCE 38 |
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#define IP_ADD_SOURCE_MEMBERSHIP 39 |
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#define IP_DROP_SOURCE_MEMBERSHIP 40 |
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#define IP_MSFILTER 41 |
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#define MCAST_JOIN_GROUP 42 |
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#define MCAST_BLOCK_SOURCE 43 |
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#define MCAST_UNBLOCK_SOURCE 44 |
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#define MCAST_LEAVE_GROUP 45 |
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#define MCAST_JOIN_SOURCE_GROUP 46 |
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#define MCAST_LEAVE_SOURCE_GROUP 47 |
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#define MCAST_MSFILTER 48 |
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#define IP_MULTICAST_ALL 49 |
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#define IP_UNICAST_IF 50 |
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#define MCAST_EXCLUDE 0 |
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#define MCAST_INCLUDE 1 |
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/* These need to appear somewhere around here */ |
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#define IP_DEFAULT_MULTICAST_TTL 1 |
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#define IP_DEFAULT_MULTICAST_LOOP 1 |
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/* Request struct for multicast socket ops */ |
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#if __UAPI_DEF_IP_MREQ |
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struct ip_mreq { |
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struct in_addr imr_multiaddr; /* IP multicast address of group */ |
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struct in_addr imr_interface; /* local IP address of interface */ |
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}; |
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struct ip_mreqn { |
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struct in_addr imr_multiaddr; /* IP multicast address of group */ |
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struct in_addr imr_address; /* local IP address of interface */ |
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int imr_ifindex; /* Interface index */ |
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}; |
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struct ip_mreq_source { |
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__be32 imr_multiaddr; |
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__be32 imr_interface; |
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__be32 imr_sourceaddr; |
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}; |
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struct ip_msfilter { |
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__be32 imsf_multiaddr; |
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__be32 imsf_interface; |
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__u32 imsf_fmode; |
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__u32 imsf_numsrc; |
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__be32 imsf_slist[1]; |
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}; |
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#define IP_MSFILTER_SIZE(numsrc) \ |
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(sizeof(struct ip_msfilter) - sizeof(__u32) \ |
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+ (numsrc) * sizeof(__u32)) |
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struct group_req { |
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__u32 gr_interface; /* interface index */ |
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struct __kernel_sockaddr_storage gr_group; /* group address */ |
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}; |
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struct group_source_req { |
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__u32 gsr_interface; /* interface index */ |
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struct __kernel_sockaddr_storage gsr_group; /* group address */ |
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struct __kernel_sockaddr_storage gsr_source; /* source address */ |
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}; |
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struct group_filter { |
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__u32 gf_interface; /* interface index */ |
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struct __kernel_sockaddr_storage gf_group; /* multicast address */ |
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__u32 gf_fmode; /* filter mode */ |
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__u32 gf_numsrc; /* number of sources */ |
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struct __kernel_sockaddr_storage gf_slist[1]; /* interface index */ |
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}; |
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#define GROUP_FILTER_SIZE(numsrc) \ |
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(sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \ |
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+ (numsrc) * sizeof(struct __kernel_sockaddr_storage)) |
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#endif |
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#if __UAPI_DEF_IN_PKTINFO |
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struct in_pktinfo { |
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int ipi_ifindex; |
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struct in_addr ipi_spec_dst; |
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struct in_addr ipi_addr; |
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}; |
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#endif |
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/* Structure describing an Internet (IP) socket address. */ |
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#if __UAPI_DEF_SOCKADDR_IN |
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#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */ |
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struct sockaddr_in { |
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__kernel_sa_family_t sin_family; /* Address family */ |
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__be16 sin_port; /* Port number */ |
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struct in_addr sin_addr; /* Internet address */ |
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/* Pad to size of `struct sockaddr'. */ |
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unsigned char __pad[__SOCK_SIZE__ - sizeof(short int) - |
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sizeof(unsigned short int) - sizeof(struct in_addr)]; |
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}; |
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#define sin_zero __pad /* for BSD UNIX comp. -FvK */ |
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#endif |
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#if __UAPI_DEF_IN_CLASS |
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/* |
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* Definitions of the bits in an Internet address integer. |
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* On subnets, host and network parts are found according |
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* to the subnet mask, not these masks. |
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*/ |
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#define IN_CLASSA(a) ((((long int) (a)) & 0x80000000) == 0) |
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#define IN_CLASSA_NET 0xff000000 |
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#define IN_CLASSA_NSHIFT 24 |
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#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) |
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#define IN_CLASSA_MAX 128 |
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#define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000) |
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#define IN_CLASSB_NET 0xffff0000 |
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#define IN_CLASSB_NSHIFT 16 |
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#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) |
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#define IN_CLASSB_MAX 65536 |
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#define IN_CLASSC(a) ((((long int) (a)) & 0xe0000000) == 0xc0000000) |
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#define IN_CLASSC_NET 0xffffff00 |
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#define IN_CLASSC_NSHIFT 8 |
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#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) |
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#define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) == 0xe0000000) |
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#define IN_MULTICAST(a) IN_CLASSD(a) |
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#define IN_MULTICAST_NET 0xe0000000 |
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#define IN_BADCLASS(a) (((long int) (a) ) == (long int)0xffffffff) |
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#define IN_EXPERIMENTAL(a) IN_BADCLASS((a)) |
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#define IN_CLASSE(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000) |
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#define IN_CLASSE_NET 0xffffffff |
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#define IN_CLASSE_NSHIFT 0 |
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/* Address to accept any incoming messages. */ |
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#define INADDR_ANY ((unsigned long int) 0x00000000) |
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/* Address to send to all hosts. */ |
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#define INADDR_BROADCAST ((unsigned long int) 0xffffffff) |
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/* Address indicating an error return. */ |
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#define INADDR_NONE ((unsigned long int) 0xffffffff) |
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/* Network number for local host loopback. */ |
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#define IN_LOOPBACKNET 127 |
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/* Address to loopback in software to local host. */ |
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#define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */ |
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#define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000) |
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/* Defines for Multicast INADDR */ |
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#define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ |
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#define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ |
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#define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ |
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#define INADDR_ALLSNOOPERS_GROUP 0xe000006aU /* 224.0.0.106 */ |
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#define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ |
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#endif |
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/* <asm/byteorder.h> contains the htonl type stuff.. */ |
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#include <asm/byteorder.h> |
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#endif /* _UAPI_LINUX_IN_H */
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