1 files changed, 50 insertions, 0 deletions
diff --git a/roms/SLOF/lib/libnet/ethernet.h b/roms/SLOF/lib/libnet/ethernet.h
new file mode 100644
index 000000000..a09e36572
--- /dev/null
+++ b/roms/SLOF/lib/libnet/ethernet.h
@@ -0,0 +1,50 @@
+/******************************************************************************
+ * 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 _ETHERNET_H
+#define _ETHERNET_H
+
+#include <stdint.h>
+
+#define ETH_MTU_SIZE     1518   /**< Maximum Transfer Unit         */
+#define ETH_ALEN            6   /**< HW address length             */
+#define ETHERTYPE_IP   0x0800
+#define ETHERTYPE_IPv6 0x86DD
+#define ETHERTYPE_ARP  0x0806
+
+/** \struct ethhdr
+ *  A header for Ethernet-packets.
+ */
+struct ethhdr {
+	uint8_t dest_mac[ETH_ALEN];   /**< Destination HW address        */
+	uint8_t src_mac[ETH_ALEN];    /**< Source HW address             */
+	uint16_t type;                /**< Next level protocol type      */
+};
+
+/* Initializes ethernet layer */
+extern void set_mac_address(const uint8_t * own_mac);
+extern const uint8_t * get_mac_address(void);
+
+/* Receives and handles packets, according to Receive-handle diagram */
+extern int32_t receive_ether(int fd);
+
+/* Sends an ethernet frame. */
+extern int send_ether(int fd, void* buffer, int len);
+
+/* fills ethernet header */
+extern void fill_ethhdr(uint8_t * packet, uint16_t eth_type,
+                        const uint8_t * src_mac, const uint8_t * dest_mac);
+
+/* Points either to send_ipv4() or send_ipv6() */
+extern int (*send_ip)(int fd, void *, int);
+
+#endif