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- /*
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #include <string.h>
- #include <stdio.h>
- #include <unistd.h>
- #include <errno.h>
- #include <gpxe/netdevice.h>
- #include <gpxe/device.h>
- #include <gpxe/process.h>
- #include <usr/ifmgmt.h>
-
- /** @file
- *
- * Network interface management
- *
- */
-
- /**
- * Open network device
- *
- * @v netdev Network device
- * @ret rc Return status code
- */
- int ifopen ( struct net_device *netdev ) {
- int rc;
-
- if ( ( rc = netdev_open ( netdev ) ) != 0 ) {
- printf ( "Could not open %s: %s\n",
- netdev->name, strerror ( rc ) );
- return rc;
- }
-
- return 0;
- }
-
- /**
- * Close network device
- *
- * @v netdev Network device
- */
- void ifclose ( struct net_device *netdev ) {
- netdev_close ( netdev );
- }
-
- /**
- * Print status of network device
- *
- * @v netdev Network device
- */
- void ifstat ( struct net_device *netdev ) {
- printf ( "%s: %s on %s (%s)\n"
- " [Link:%s, TX:%d TXE:%d RX:%d RXE:%d]\n",
- netdev->name, netdev_hwaddr ( netdev ), netdev->dev->name,
- ( ( netdev->state & NETDEV_OPEN ) ? "open" : "closed" ),
- ( netdev_link_ok ( netdev ) ? "up" : "down" ),
- netdev->stats.tx_ok, netdev->stats.tx_err,
- netdev->stats.rx_ok, netdev->stats.rx_err );
- }
-
- /**
- * Wait for link-up
- *
- * @v netdev Network device
- * @v max_wait_ms Maximum time to wait, in ms
- */
- int iflinkwait ( struct net_device *netdev, unsigned int max_wait_ms ) {
- while ( 1 ) {
- if ( netdev_link_ok ( netdev ) )
- return 0;
- if ( max_wait_ms-- == 0 )
- return -ETIMEDOUT;
- step();
- mdelay ( 1 );
- }
- }
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