89 lines
1.8 KiB
C
89 lines
1.8 KiB
C
#ifndef _GPXE_IN_H
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#define _GPXE_IN_H
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#include <stdint.h>
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#include <gpxe/socket.h>
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/* Protocol numbers */
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#define IP_ICMP 1
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#define IP_IGMP 2
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#define IP_TCP 6
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#define IP_UDP 17
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#define IP_ICMP6 58
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/* IP address constants */
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#define INADDR_NONE 0xffffffff
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#define INADDR_BROADCAST 0xffffffff
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#define IN_MULTICAST(addr) ( ( (addr) & 0xf0000000 ) == 0xe0000000 )
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/**
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* IP address structure
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*/
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struct in_addr {
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uint32_t s_addr;
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};
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typedef struct in_addr in_addr;
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/**
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* IP6 address structure
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*/
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struct in6_addr {
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union {
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uint8_t u6_addr8[16];
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uint16_t u6_addr16[8];
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uint32_t u6_addr32[4];
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} in6_u;
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#define s6_addr in6_u.u6_addr8
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#define s6_addr16 in6_u.u6_addr16
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#define s6_addr32 in6_u.u6_addr32
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};
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/**
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* IPv4 socket address
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*/
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struct sockaddr_in {
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/** Socket address family (part of struct @c sockaddr)
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*
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* Always set to @c AF_INET for IPv4 addresses
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*/
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sa_family_t sin_family;
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/** TCP/IP port (part of struct @c sockaddr_tcpip) */
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uint16_t sin_port;
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/** IPv4 address */
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struct in_addr sin_addr;
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};
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/**
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* IPv6 socket address
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*/
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struct sockaddr_in6 {
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/** Socket address family (part of struct @c sockaddr)
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*
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* Always set to @c AF_INET6 for IPv6 addresses
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*/
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sa_family_t sin_family;
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/** TCP/IP port (part of struct @c sockaddr_tcpip) */
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uint16_t sin_port;
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uint32_t sin6_flowinfo; /* Flow number */
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struct in6_addr sin6_addr; /* 128-bit destination address */
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uint32_t sin6_scope_id; /* Scope ID */
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};
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extern int inet_aton ( const char *cp, struct in_addr *inp );
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extern char * inet_ntoa ( struct in_addr in );
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/* Adding the following for IP6 support
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*
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extern int inet6_aton ( const char *cp, struct in6_addr *inp );
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extern char * inet6_ntoa ( struct in_addr in );
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*/
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#endif /* _GPXE_IN_H */
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