Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / socket.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/socket.h b/qemu/roms/ipxe/src/include/ipxe/socket.h
new file mode 100644 (file)
index 0000000..7cb3912
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/socket.h
@@ -0,0 +1,146 @@
+#ifndef _IPXE_SOCKET_H
+#define _IPXE_SOCKET_H
+
+/** @file
+ *
+ * Socket addresses
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/tables.h>
+
+/**
+ * @defgroup commtypes Communication semantics
+ *
+ * @{
+ */
+
+/** Connection-based, reliable streams */
+extern int tcp_sock_stream;
+#define TCP_SOCK_STREAM 0x1
+#define SOCK_STREAM tcp_sock_stream
+
+/** Connectionless, unreliable streams */
+extern int udp_sock_dgram;
+#define UDP_SOCK_DGRAM 0x2
+#define SOCK_DGRAM udp_sock_dgram
+
+/** Echo testing streams */
+extern int ping_sock_echo;
+#define PING_SOCK_ECHO 0x3
+#define SOCK_ECHO ping_sock_echo
+
+/** @} */
+
+/**
+ * Name communication semantics
+ *
+ * @v semantics                Communication semantics (e.g. SOCK_STREAM)
+ * @ret name           Name of communication semantics
+ */
+static inline __attribute__ (( always_inline )) const char *
+socket_semantics_name ( int semantics ) {
+       /* Cannot use a switch() because of the {TCP_UDP}_SOCK_XXX hack */
+       if ( semantics == SOCK_STREAM ) {
+               return "SOCK_STREAM";
+       } else if ( semantics == SOCK_DGRAM ) {
+               return "SOCK_DGRAM";
+       } else if ( semantics == SOCK_ECHO ) {
+               return "SOCK_ECHO";
+       } else {
+               return "SOCK_UNKNOWN";
+       }
+}
+
+/**
+ * @defgroup addrfam Address families
+ *
+ * @{
+ */
+#define AF_INET                1       /**< IPv4 Internet addresses */
+#define AF_INET6       2       /**< IPv6 Internet addresses */
+#define AF_FC          3       /**< Fibre Channel addresses */
+/** @} */
+
+/**
+ * Name address family
+ *
+ * @v family           Address family (e.g. AF_INET)
+ * @ret name           Name of address family
+ */
+static inline __attribute__ (( always_inline )) const char *
+socket_family_name ( int family ) {
+       switch ( family ) {
+       case AF_INET:           return "AF_INET";
+       case AF_INET6:          return "AF_INET6";
+       case AF_FC:             return "AF_FC";
+       default:                return "AF_UNKNOWN";
+       }
+}
+
+/** 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 ) ];
+} __attribute__ (( packed, may_alias ));
+
+/**
+ * Socket address converter
+ *
+ */
+struct sockaddr_converter {
+       /** Socket address family
+        *
+        * This is an AF_XXX constant.
+        */
+        sa_family_t family;
+       /** Transcribe socket address
+        *
+        * @v sa                Socket address
+        * @ret string          Socket address string
+        */
+       const char * ( * ntoa ) ( struct sockaddr *sa );
+       /** Parse socket address
+        *
+        * @v string            Socket address stringh
+        * @v sa                Socket address to fill in
+        * @ret rc              Return status code
+        */
+       int ( * aton ) ( const char *string, struct sockaddr *sa );
+};
+
+/** Socket address converter table */
+#define SOCKADDR_CONVERTERS \
+       __table ( struct sockaddr_converter, "sockaddr_converters" )
+
+/** Declare a socket address converter */
+#define __sockaddr_converter __table_entry ( SOCKADDR_CONVERTERS, 01 )
+
+extern const char * sock_ntoa ( struct sockaddr *sa );
+extern int sock_aton ( const char *string, struct sockaddr *sa );
+
+#endif /* _IPXE_SOCKET_H */