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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/nullnet.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/nullnet.c')
-rw-r--r--qemu/roms/ipxe/src/net/nullnet.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/net/nullnet.c b/qemu/roms/ipxe/src/net/nullnet.c
new file mode 100644
index 000000000..4ac50f64b
--- /dev/null
+++ b/qemu/roms/ipxe/src/net/nullnet.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2006 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 <errno.h>
+#include <ipxe/iobuf.h>
+#include <ipxe/netdevice.h>
+
+/** @file
+ *
+ * Null network device
+ *
+ */
+
+static int null_open ( struct net_device *netdev __unused ) {
+ return -ENODEV;
+};
+
+static void null_close ( struct net_device *netdev __unused ) {
+ /* Do nothing */
+};
+
+static int null_transmit ( struct net_device *netdev __unused,
+ struct io_buffer *iobuf __unused ) {
+ return -ENODEV;
+};
+
+static void null_poll ( struct net_device *netdev __unused ) {
+ /* Do nothing */
+}
+
+static void null_irq ( struct net_device *netdev __unused,
+ int enable __unused ) {
+ /* Do nothing */
+}
+
+struct net_device_operations null_netdev_operations = {
+ .open = null_open,
+ .close = null_close,
+ .transmit = null_transmit,
+ .poll = null_poll,
+ .irq = null_irq,
+};