54 lines
2.1 KiB
C
54 lines
2.1 KiB
C
#ifndef MINIMAL_IPV4_H
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#define MINIMAL_IPV4_H
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// From kernel header in.h
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// location: uapi/linux/in.h or linux/in.h (older kerns) or /usr/include/netinet/in.h (installed path)
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#include "../sys.h"
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#include "../int.h"
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struct in_addr {
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uint32_t s_addr;
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};
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#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */
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struct sockaddr_in {
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unsigned short sin_family; // address family: AF_INET
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uint16_t sin_port; // port in network byte order
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struct in_addr sin_addr; // internet address
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// Padding to match the size of struct sockaddr
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unsigned char sin_zero[8];
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};
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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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/* 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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IPPROTO_ICMP = 1, /* Internet Control Message Protocol */
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IPPROTO_IGMP = 2, /* Internet Group Management Protocol */
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IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94) */
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IPPROTO_TCP = 6, /* Transmission Control Protocol */
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IPPROTO_EGP = 8, /* Exterior Gateway Protocol */
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IPPROTO_PUP = 12, /* PUP protocol */
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IPPROTO_UDP = 17, /* User Datagram Protocol */
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IPPROTO_IDP = 22, /* XNS IDP protocol */
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IPPROTO_DCCP = 33, /* Datagram Congestion Control Protocol */
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IPPROTO_RSVP = 46, /* RSVP protocol */
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IPPROTO_GRE = 47, /* Cisco GRE tunnels (rfc 1701,1702) */
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IPPROTO_IPV6 = 41, /* IPv6-in-IPv4 tunnelling */
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IPPROTO_ESP = 50, /* Encapsulation Security Payload protocol */
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IPPROTO_AH = 51, /* Authentication Header protocol */
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IPPROTO_BEETPH = 94, /* IP option pseudo header for BEET */
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IPPROTO_PIM = 103, /* Protocol Independent Multicast */
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IPPROTO_COMP = 108, /* Compression Header protocol */
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IPPROTO_SCTP = 132, /* Stream Control Transport Protocol */
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IPPROTO_RAW = 255, /* Raw IP packets */
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IPPROTO_MAX
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};
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#endif // MINIMAL_IPV4_H
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