/* 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, <waltje@uWalt.NL.Mugnet.ORG> * * 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 { 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_POLICY 16#define IP_XFRM_POLICY 17#define IP_PASSSEC 18#define IP_TRANSPARENT 19 /* BSD compatibility */#define IP_RECVRETOPTS IP_RETOPTS /* TProxy original addresses */#define IP_ORIGDSTADDR 20#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR #define IP_MINTTL 21#define IP_NODEFRAG 22#define IP_CHECKSUM 23#define IP_BIND_ADDRESS_NO_PORT 24#define IP_RECVFRAGSIZE 25#define IP_RECVERR_RFC4884 26 /* IP_MTU_DISCOVER values */#define IP_PMTUDISC_DONT 0 /* Never send DF frames */#define IP_PMTUDISC_WANT 1 /* Use per route hints */#define IP_PMTUDISC_DO 2 /* Always DF */#define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu *//* 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 4/* weaker version of IP_PMTUDISC_INTERFACE, which allows packets to get * fragmented if they exceed the interface mtu */#define IP_PMTUDISC_OMIT 5 #define IP_MULTICAST_IF 32#define IP_MULTICAST_TTL 33#define IP_MULTICAST_LOOP 34#define IP_ADD_MEMBERSHIP 35#define IP_DROP_MEMBERSHIP 36#define IP_UNBLOCK_SOURCE 37#define IP_BLOCK_SOURCE 38#define IP_ADD_SOURCE_MEMBERSHIP 39#define IP_DROP_SOURCE_MEMBERSHIP 40#define IP_MSFILTER 41#define MCAST_JOIN_GROUP 42#define MCAST_BLOCK_SOURCE 43#define MCAST_UNBLOCK_SOURCE 44#define MCAST_LEAVE_GROUP 45#define MCAST_JOIN_SOURCE_GROUP 46#define MCAST_LEAVE_SOURCE_GROUP 47#define MCAST_MSFILTER 48#define IP_MULTICAST_ALL 49#define IP_UNICAST_IF 50#define IP_LOCAL_PORT_RANGE 51#define IP_PROTOCOL 52 #define MCAST_EXCLUDE 0#define MCAST_INCLUDE 1 /* These need to appear somewhere around here */#define IP_DEFAULT_MULTICAST_TTL 1#define IP_DEFAULT_MULTICAST_LOOP 1 /* Request struct for multicast socket ops */ #if __UAPI_DEF_IP_MREQstruct ip_mreq { struct in_addr imr_multiaddr; /* IP multicast address of group */ struct in_addr imr_interface; /* local IP address of interface */}; struct ip_mreqn { struct in_addr imr_multiaddr; /* IP multicast address of group */ struct in_addr imr_address; /* local IP address of interface */ int imr_ifindex; /* Interface index */}; struct ip_mreq_source { __be32 imr_multiaddr; __be32 imr_interface; __be32 imr_sourceaddr;}; struct ip_msfilter { __be32 imsf_multiaddr; __be32 imsf_interface; __u32 imsf_fmode; __u32 imsf_numsrc; union { __be32 imsf_slist[1]; __DECLARE_FLEX_ARRAY(__be32, imsf_slist_flex); };}; #define IP_MSFILTER_SIZE(numsrc) \ (sizeof(struct ip_msfilter) - sizeof(__u32) \ + (numsrc) * sizeof(__u32)) struct group_req { __u32 gr_interface; /* interface index */ struct __kernel_sockaddr_storage gr_group; /* group address */}; struct group_source_req { __u32 gsr_interface; /* interface index */ struct __kernel_sockaddr_storage gsr_group; /* group address */ struct __kernel_sockaddr_storage gsr_source; /* source address */}; struct group_filter { union { struct { __u32 gf_interface_aux; /* interface index */ struct __kernel_sockaddr_storage gf_group_aux; /* multicast address */ __u32 gf_fmode_aux; /* filter mode */ __u32 gf_numsrc_aux; /* number of sources */ struct __kernel_sockaddr_storage gf_slist[1]; /* interface index */ }; struct { __u32 gf_interface; /* interface index */ struct __kernel_sockaddr_storage gf_group; /* multicast address */ __u32 gf_fmode; /* filter mode */ __u32 gf_numsrc; /* number of sources */ struct __kernel_sockaddr_storage gf_slist_flex[]; /* interface index */ }; };}; #define GROUP_FILTER_SIZE(numsrc) \ (sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \ + (numsrc) * sizeof(struct __kernel_sockaddr_storage))#endif #if __UAPI_DEF_IN_PKTINFOstruct in_pktinfo { int ipi_ifindex; struct in_addr ipi_spec_dst; struct in_addr ipi_addr;};#endif /* Structure describing an Internet (IP) socket address. */#if __UAPI_DEF_SOCKADDR_IN#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */struct sockaddr_in { __kernel_sa_family_t sin_family; /* Address family */ __be16 sin_port; /* Port number */ struct in_addr sin_addr; /* Internet address */ /* Pad to size of `struct sockaddr'. */ unsigned char __pad[__SOCK_SIZE__ - sizeof(short int) - sizeof(unsigned short int) - sizeof(struct in_addr)];};#define sin_zero __pad /* for BSD UNIX comp. -FvK */#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) ((((long int) (a)) & 0x80000000) == 0)#define IN_CLASSA_NET 0xff000000#define IN_CLASSA_NSHIFT 24#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)#define IN_CLASSA_MAX 128 #define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000)#define IN_CLASSB_NET 0xffff0000#define IN_CLASSB_NSHIFT 16#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)#define IN_CLASSB_MAX 65536 #define IN_CLASSC(a) ((((long int) (a)) & 0xe0000000) == 0xc0000000)#define IN_CLASSC_NET 0xffffff00#define IN_CLASSC_NSHIFT 8#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) #define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) == 0xe0000000)#define IN_MULTICAST(a) IN_CLASSD(a)#define IN_MULTICAST_NET 0xe0000000 #define IN_BADCLASS(a) (((long int) (a) ) == (long int)0xffffffff)#define IN_EXPERIMENTAL(a) IN_BADCLASS((a)) #define IN_CLASSE(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000)#define IN_CLASSE_NET 0xffffffff#define IN_CLASSE_NSHIFT 0 /* Address to accept any incoming messages. */#define INADDR_ANY ((unsigned long int) 0x00000000) /* Address to send to all hosts. */#define INADDR_BROADCAST ((unsigned long int) 0xffffffff) /* Address indicating an error return. */#define INADDR_NONE ((unsigned long int) 0xffffffff) /* Dummy address for src of ICMP replies if no real address is set (RFC7600). */#define INADDR_DUMMY ((unsigned long int) 0xc0000008) /* Network number for local host loopback. */#define IN_LOOPBACKNET 127 /* Address to loopback in software to local host. */#define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */#define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000) /* Defines for Multicast INADDR */#define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */#define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */#define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */#define INADDR_ALLSNOOPERS_GROUP 0xe000006aU /* 224.0.0.106 */#define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */#endif /* <asm/byteorder.h> contains the htonl type stuff.. */#include <asm/byteorder.h> #endif /* _UAPI_LINUX_IN_H */
/* 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, <waltje@uWalt.NL.Mugnet.ORG>
*
* 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 {
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_POLICY 16
#define IP_XFRM_POLICY 17
#define IP_PASSSEC 18
#define IP_TRANSPARENT 19
/* BSD compatibility */
#define IP_RECVRETOPTS IP_RETOPTS
/* TProxy original addresses */
#define IP_ORIGDSTADDR 20
#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR
#define IP_MINTTL 21
#define IP_NODEFRAG 22
#define IP_CHECKSUM 23
#define IP_BIND_ADDRESS_NO_PORT 24
#define IP_RECVFRAGSIZE 25
#define IP_RECVERR_RFC4884 26
/* IP_MTU_DISCOVER values */
#define IP_PMTUDISC_DONT 0 /* Never send DF frames */
#define IP_PMTUDISC_WANT 1 /* Use per route hints */
#define IP_PMTUDISC_DO 2 /* Always DF */
#define IP_PMTUDISC_PROBE 3 /* Ignore dst pmtu */
/* 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 4
/* weaker version of IP_PMTUDISC_INTERFACE, which allows packets to get
* fragmented if they exceed the interface mtu
*/
#define IP_PMTUDISC_OMIT 5
#define IP_MULTICAST_IF 32
#define IP_MULTICAST_TTL 33
#define IP_MULTICAST_LOOP 34
#define IP_ADD_MEMBERSHIP 35
#define IP_DROP_MEMBERSHIP 36
#define IP_UNBLOCK_SOURCE 37
#define IP_BLOCK_SOURCE 38
#define IP_ADD_SOURCE_MEMBERSHIP 39
#define IP_DROP_SOURCE_MEMBERSHIP 40
#define IP_MSFILTER 41
#define MCAST_JOIN_GROUP 42
#define MCAST_BLOCK_SOURCE 43
#define MCAST_UNBLOCK_SOURCE 44
#define MCAST_LEAVE_GROUP 45
#define MCAST_JOIN_SOURCE_GROUP 46
#define MCAST_LEAVE_SOURCE_GROUP 47
#define MCAST_MSFILTER 48
#define IP_MULTICAST_ALL 49
#define IP_UNICAST_IF 50
#define IP_LOCAL_PORT_RANGE 51
#define IP_PROTOCOL 52
#define MCAST_EXCLUDE 0
#define MCAST_INCLUDE 1
/* These need to appear somewhere around here */
#define IP_DEFAULT_MULTICAST_TTL 1
#define IP_DEFAULT_MULTICAST_LOOP 1
/* Request struct for multicast socket ops */
#if __UAPI_DEF_IP_MREQ
struct ip_mreq {
struct in_addr imr_multiaddr; /* IP multicast address of group */
struct in_addr imr_interface; /* local IP address of interface */
};
struct ip_mreqn {
struct in_addr imr_multiaddr; /* IP multicast address of group */
struct in_addr imr_address; /* local IP address of interface */
int imr_ifindex; /* Interface index */
};
struct ip_mreq_source {
__be32 imr_multiaddr;
__be32 imr_interface;
__be32 imr_sourceaddr;
};
struct ip_msfilter {
__be32 imsf_multiaddr;
__be32 imsf_interface;
__u32 imsf_fmode;
__u32 imsf_numsrc;
union {
__be32 imsf_slist[1];
__DECLARE_FLEX_ARRAY(__be32, imsf_slist_flex);
};
};
#define IP_MSFILTER_SIZE(numsrc) \
(sizeof(struct ip_msfilter) - sizeof(__u32) \
+ (numsrc) * sizeof(__u32))
struct group_req {
__u32 gr_interface; /* interface index */
struct __kernel_sockaddr_storage gr_group; /* group address */
};
struct group_source_req {
__u32 gsr_interface; /* interface index */
struct __kernel_sockaddr_storage gsr_group; /* group address */
struct __kernel_sockaddr_storage gsr_source; /* source address */
};
struct group_filter {
union {
struct {
__u32 gf_interface_aux; /* interface index */
struct __kernel_sockaddr_storage gf_group_aux; /* multicast address */
__u32 gf_fmode_aux; /* filter mode */
__u32 gf_numsrc_aux; /* number of sources */
struct __kernel_sockaddr_storage gf_slist[1]; /* interface index */
};
struct {
__u32 gf_interface; /* interface index */
struct __kernel_sockaddr_storage gf_group; /* multicast address */
__u32 gf_fmode; /* filter mode */
__u32 gf_numsrc; /* number of sources */
struct __kernel_sockaddr_storage gf_slist_flex[]; /* interface index */
};
};
};
#define GROUP_FILTER_SIZE(numsrc) \
(sizeof(struct group_filter) - sizeof(struct __kernel_sockaddr_storage) \
+ (numsrc) * sizeof(struct __kernel_sockaddr_storage))
#endif
#if __UAPI_DEF_IN_PKTINFO
struct in_pktinfo {
int ipi_ifindex;
struct in_addr ipi_spec_dst;
struct in_addr ipi_addr;
};
#endif
/* Structure describing an Internet (IP) socket address. */
#if __UAPI_DEF_SOCKADDR_IN
#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */
struct sockaddr_in {
__kernel_sa_family_t sin_family; /* Address family */
__be16 sin_port; /* Port number */
struct in_addr sin_addr; /* Internet address */
/* Pad to size of `struct sockaddr'. */
unsigned char __pad[__SOCK_SIZE__ - sizeof(short int) -
sizeof(unsigned short int) - sizeof(struct in_addr)];
};
#define sin_zero __pad /* for BSD UNIX comp. -FvK */
#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) ((((long int) (a)) & 0x80000000) == 0)
#define IN_CLASSA_NET 0xff000000
#define IN_CLASSA_NSHIFT 24
#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
#define IN_CLASSA_MAX 128
#define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000)
#define IN_CLASSB_NET 0xffff0000
#define IN_CLASSB_NSHIFT 16
#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
#define IN_CLASSB_MAX 65536
#define IN_CLASSC(a) ((((long int) (a)) & 0xe0000000) == 0xc0000000)
#define IN_CLASSC_NET 0xffffff00
#define IN_CLASSC_NSHIFT 8
#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
#define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) == 0xe0000000)
#define IN_MULTICAST(a) IN_CLASSD(a)
#define IN_MULTICAST_NET 0xe0000000
#define IN_BADCLASS(a) (((long int) (a) ) == (long int)0xffffffff)
#define IN_EXPERIMENTAL(a) IN_BADCLASS((a))
#define IN_CLASSE(a) ((((long int) (a)) & 0xf0000000) == 0xf0000000)
#define IN_CLASSE_NET 0xffffffff
#define IN_CLASSE_NSHIFT 0
/* Address to accept any incoming messages. */
#define INADDR_ANY ((unsigned long int) 0x00000000)
/* Address to send to all hosts. */
#define INADDR_BROADCAST ((unsigned long int) 0xffffffff)
/* Address indicating an error return. */
#define INADDR_NONE ((unsigned long int) 0xffffffff)
/* Dummy address for src of ICMP replies if no real address is set (RFC7600). */
#define INADDR_DUMMY ((unsigned long int) 0xc0000008)
/* Network number for local host loopback. */
#define IN_LOOPBACKNET 127
/* Address to loopback in software to local host. */
#define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */
#define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000)
/* Defines for Multicast INADDR */
#define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */
#define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */
#define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */
#define INADDR_ALLSNOOPERS_GROUP 0xe000006aU /* 224.0.0.106 */
#define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */
#endif
/* <asm/byteorder.h> contains the htonl type stuff.. */
#include <asm/byteorder.h>
#endif /* _UAPI_LINUX_IN_H */