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#ifndef _GPXE_SOCKET_H
#define _GPXE_SOCKET_H
/** @file
*
* Socket addresses
*
*/
/**
* @defgroup commdomains Communication domains
*
* @{
*/
#define PF_INET 1 /**< IPv4 Internet protocols */
#define PF_INET6 2 /**< IPv6 Internet protocols */
/** @} */
/**
* Name communication domain
*
* @v domain Communication domain (e.g. PF_INET)
* @ret name Name of communication domain
*/
static inline __attribute__ (( always_inline )) const char *
socket_domain_name ( int domain ) {
switch ( domain ) {
case PF_INET: return "PF_INET";
case PF_INET6: return "PF_INET6";
default: return "PF_UNKNOWN";
}
}
/**
* @defgroup commtypes Communication types
*
* @{
*/
#define SOCK_STREAM 1 /**< Connection-based, reliable streams */
#define SOCK_DGRAM 2 /**< Connectionless, unreliable streams */
/** @} */
/**
* Name communication type
*
* @v type Communication type (e.g. SOCK_STREAM)
* @ret name Name of communication type
*/
static inline __attribute__ (( always_inline )) const char *
socket_type_name ( int type ) {
switch ( type ) {
case SOCK_STREAM: return "SOCK_STREAM";
case SOCK_DGRAM: return "SOCK_DGRAM";
default: return "SOCK_UNKNOWN";
}
}
/**
* @defgroup addrfam Address families
*
* @{
*/
#define AF_INET 1 /**< IPv4 Internet addresses */
#define AF_INET6 2 /**< IPv6 Internet addresses */
/** @} */
/** A socket address family */
typedef uint16_t sa_family_t;
/** Length of a @c struct @c sockaddr */
#define SA_LEN 32
/**
* Generalized socket address structure
*
* This contains the fields common to socket addresses for all address
* families.
*/
struct sockaddr {
/** Socket address family
*
* This is an AF_XXX constant.
*/
sa_family_t sa_family;
/** 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[ SA_LEN - sizeof ( sa_family_t ) ];
};
#endif /* _GPXE_SOCKET_H */
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