From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/roms/ipxe/src/net/nullnet.c | 61 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 qemu/roms/ipxe/src/net/nullnet.c (limited to 'qemu/roms/ipxe/src/net/nullnet.c') 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 . + * + * 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 +#include +#include +#include + +/** @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, +}; -- cgit 1.2.3-korg