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- #ifndef _GPXE_IN_H
- #define _GPXE_IN_H
-
- FILE_LICENCE ( GPL2_OR_LATER );
-
- #include <stdint.h>
- #include <gpxe/socket.h>
-
- /* Protocol numbers */
-
- #define IP_ICMP 1
- #define IP_IGMP 2
- #define IP_TCP 6
- #define IP_UDP 17
- #define IP_ICMP6 58
-
- /* IP address constants */
-
- #define INADDR_NONE 0xffffffff
-
- #define INADDR_BROADCAST 0xffffffff
-
- #define IN_CLASSA(addr) ( ( (addr) & 0x80000000 ) == 0x00000000 )
- #define IN_CLASSA_NET 0xff000000
- #define IN_CLASSB(addr) ( ( (addr) & 0xc0000000 ) == 0x80000000 )
- #define IN_CLASSB_NET 0xffff0000
- #define IN_CLASSC(addr) ( ( (addr) & 0xe0000000 ) == 0xc0000000 )
- #define IN_CLASSC_NET 0xffffff00
- #define IN_MULTICAST(addr) ( ( (addr) & 0xf0000000 ) == 0xe0000000 )
-
- /**
- * IP address structure
- */
- struct in_addr {
- uint32_t s_addr;
- };
-
- typedef struct in_addr in_addr;
-
- /**
- * IP6 address structure
- */
- struct in6_addr {
- union {
- uint8_t u6_addr8[16];
- uint16_t u6_addr16[8];
- uint32_t u6_addr32[4];
- } in6_u;
- #define s6_addr in6_u.u6_addr8
- #define s6_addr16 in6_u.u6_addr16
- #define s6_addr32 in6_u.u6_addr32
- };
-
- /**
- * IPv4 socket address
- */
- struct sockaddr_in {
- /** Socket address family (part of struct @c sockaddr)
- *
- * Always set to @c AF_INET for IPv4 addresses
- */
- sa_family_t sin_family;
- /** TCP/IP port (part of struct @c sockaddr_tcpip) */
- uint16_t sin_port;
- /** IPv4 address */
- struct in_addr sin_addr;
- /** Padding
- *
- * This ensures that a struct @c sockaddr_tcpip is large
- * enough to hold a socket address for any TCP/IP address
- * family.
- */
- char pad[ sizeof ( struct sockaddr ) - sizeof ( sa_family_t )
- - sizeof ( uint16_t )
- - sizeof ( struct in_addr ) ];
- } __attribute__ (( may_alias ));
-
- /**
- * IPv6 socket address
- */
- struct sockaddr_in6 {
- /** Socket address family (part of struct @c sockaddr)
- *
- * Always set to @c AF_INET6 for IPv6 addresses
- */
- sa_family_t sin_family;
- /** TCP/IP port (part of struct @c sockaddr_tcpip) */
- uint16_t sin_port;
- uint32_t sin6_flowinfo; /* Flow number */
- struct in6_addr sin6_addr; /* 128-bit destination address */
- uint32_t sin6_scope_id; /* Scope ID */
- } __attribute__ (( may_alias ));
-
- extern int inet_aton ( const char *cp, struct in_addr *inp );
- extern char * inet_ntoa ( struct in_addr in );
-
- /* Adding the following for IP6 support
- *
-
- extern int inet6_aton ( const char *cp, struct in6_addr *inp );
- extern char * inet6_ntoa ( struct in_addr in );
-
- */
-
- #endif /* _GPXE_IN_H */
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