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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/ipxe/src/net/rarp.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/net/rarp.c')
-rw-r--r--qemu/roms/ipxe/src/net/rarp.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/net/rarp.c b/qemu/roms/ipxe/src/net/rarp.c
new file mode 100644
index 000000000..371145015
--- /dev/null
+++ b/qemu/roms/ipxe/src/net/rarp.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <byteswap.h>
+#include <ipxe/netdevice.h>
+#include <ipxe/iobuf.h>
+#include <ipxe/if_ether.h>
+#include <ipxe/rarp.h>
+
+/** @file
+ *
+ * Reverse Address Resolution Protocol
+ *
+ */
+
+/**
+ * Process incoming ARP packets
+ *
+ * @v iobuf I/O buffer
+ * @v netdev Network device
+ * @v ll_dest Link-layer destination address
+ * @v ll_source Link-layer source address
+ * @v flags Packet flags
+ * @ret rc Return status code
+ *
+ * This is a dummy method which simply discards RARP packets.
+ */
+static int rarp_rx ( struct io_buffer *iobuf,
+ struct net_device *netdev __unused,
+ const void *ll_dest __unused,
+ const void *ll_source __unused,
+ unsigned int flags __unused ) {
+ free_iob ( iobuf );
+ return 0;
+}
+
+
+/**
+ * Transcribe RARP address
+ *
+ * @v net_addr RARP address
+ * @ret string "<RARP>"
+ *
+ * This operation is meaningless for the RARP protocol.
+ */
+static const char * rarp_ntoa ( const void *net_addr __unused ) {
+ return "<RARP>";
+}
+
+/** RARP protocol */
+struct net_protocol rarp_protocol __net_protocol = {
+ .name = "RARP",
+ .net_proto = htons ( ETH_P_RARP ),
+ .rx = rarp_rx,
+ .ntoa = rarp_ntoa,
+};