diff options
Diffstat (limited to 'gpxe/src/include/gpxe/in.h')
-rw-r--r-- | gpxe/src/include/gpxe/in.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/gpxe/src/include/gpxe/in.h b/gpxe/src/include/gpxe/in.h new file mode 100644 index 00000000..89530a55 --- /dev/null +++ b/gpxe/src/include/gpxe/in.h @@ -0,0 +1,94 @@ +#ifndef _GPXE_IN_H +#define _GPXE_IN_H + +#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; +}; + +/** + * 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 */ +}; + +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 */ |