66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/*
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* Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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* You can also choose to distribute this program under the terms of
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* the Unmodified Binary Distribution Licence (as given in the file
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* COPYING.UBDL), provided that you have satisfied its requirements.
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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#include <stdint.h>
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#include <errno.h>
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#include <ipxe/iobuf.h>
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#include <ipxe/netdevice.h>
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/** @file
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*
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* Null network device
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*
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*/
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static int null_open ( struct net_device *netdev __unused ) {
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return -ENODEV;
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};
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static void null_close ( struct net_device *netdev __unused ) {
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/* Do nothing */
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};
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static int null_transmit ( struct net_device *netdev __unused,
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struct io_buffer *iobuf __unused ) {
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return -ENODEV;
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};
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static void null_poll ( struct net_device *netdev __unused ) {
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/* Do nothing */
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}
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static void null_irq ( struct net_device *netdev __unused,
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int enable __unused ) {
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/* Do nothing */
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}
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struct net_device_operations null_netdev_operations = {
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.open = null_open,
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.close = null_close,
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.transmit = null_transmit,
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.poll = null_poll,
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.irq = null_irq,
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};
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