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- #ifndef _IPXE_IN_H
- #define _IPXE_IN_H
-
- FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
- #include <stdint.h>
- #include <ipxe/socket.h>
-
- /* Protocol numbers */
-
- #define IP_ICMP 1
- #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
- };
-
- #define IN6_IS_ADDR_UNSPECIFIED( addr ) \
- ( ( ( ( ( const uint32_t * ) (addr) )[0] ) | \
- ( ( ( const uint32_t * ) (addr) )[1] ) | \
- ( ( ( const uint32_t * ) (addr) )[2] ) | \
- ( ( ( const uint32_t * ) (addr) )[3] ) ) == 0 )
-
- #define IN6_IS_ADDR_MULTICAST( addr ) \
- ( *( ( const uint8_t * ) (addr) ) == 0xff )
-
- #define IN6_IS_ADDR_LINKLOCAL( addr ) \
- ( ( *( ( const uint16_t * ) (addr) ) & htons ( 0xffc0 ) ) == \
- htons ( 0xfe80 ) )
-
- /**
- * 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;
- /** Flags (part of struct @c sockaddr_tcpip) */
- uint16_t sin_flags;
- /** 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_in is large enough
- * to hold a socket address for any TCP/IP address family.
- */
- char pad[ sizeof ( struct sockaddr ) -
- ( sizeof ( sa_family_t ) /* sin_family */ +
- sizeof ( uint16_t ) /* sin_flags */ +
- sizeof ( uint16_t ) /* sin_port */ +
- sizeof ( struct in_addr ) /* sin_addr */ ) ];
- } __attribute__ (( packed, 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 sin6_family;
- /** Flags (part of struct @c sockaddr_tcpip) */
- uint16_t sin6_flags;
- /** TCP/IP port (part of struct @c sockaddr_tcpip) */
- uint16_t sin6_port;
- /** Scope ID
- *
- * For link-local addresses, this is the network device index.
- */
- uint16_t sin6_scope_id;
- /** IPv6 address */
- struct in6_addr sin6_addr;
- /** Padding
- *
- * This ensures that a struct @c sockaddr_in6 is large
- * enough to hold a socket address for any TCP/IP address
- * family.
- */
- char pad[ sizeof ( struct sockaddr ) -
- ( sizeof ( sa_family_t ) /* sin6_family */ +
- sizeof ( uint16_t ) /* sin6_flags */ +
- sizeof ( uint16_t ) /* sin6_port */ +
- sizeof ( uint16_t ) /* sin6_scope_id */ +
- sizeof ( struct in6_addr ) /* sin6_addr */ ) ];
- } __attribute__ (( packed, may_alias ));
-
- extern int inet_aton ( const char *cp, struct in_addr *inp );
- extern char * inet_ntoa ( struct in_addr in );
- extern int inet6_aton ( const char *string, struct in6_addr *in );
- extern char * inet6_ntoa ( const struct in6_addr *in );
-
- #endif /* _IPXE_IN_H */
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