paflof: Add socket(), send() and recv() functions to paflof

Code is slightly based on the implementation from net-snk, but
has been adapted to use the forth_eval() and forth_push/pop() macros
instead.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>

1 files changed, 53 insertions, 0 deletions

diff --git a/lib/libc/include/sys/socket.h b/lib/libc/include/sys/socket.h
new file mode 100644
index 0000000..e9175be
--- /dev/null
+++ b/lib/libc/include/sys/socket.h
@@ -0,0 +1,53 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+
+#ifndef _SOCKET_H
+#define _SOCKET_H
+#include <stdint.h>
+
+#define AF_PACKET 0
+#define AF_INET   1
+#define AF_INET6  2
+
+#define SOCK_RAW    0
+#define SOCK_PACKET 1
+#define SOCK_DGRAM  2
+#define SOCK_STREAM 3
+
+#define INADDR_ANY 0xFFFFFFFF
+
+#define IPPROTO_UDP 1
+
+#define ETH_ALEN 6   /**< HW address length             */
+
+struct sockaddr {
+	uint16_t tra_port;
+
+	uint16_t ipv4_proto;
+	uint32_t ipv4_addr;
+
+	// protocol field is only used by "connect"-handler
+	uint16_t llc_proto;
+	uint8_t  mac_addr[ETH_ALEN];
+};
+
+int socket(int, int, int, char *);
+int sendto(int, const void *, int, int, const void *, int);
+int send(int, const void *, int, int);
+int recv(int, void *, int, int);
+
+#define htonl(x) x
+#define htons(x) x
+
+#endif
+