/*
* 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 <console.h>
#include <gpxe/netdevice.h>
#include <gpxe/device.h>
#include <gpxe/process.h>
#include <gpxe/keys.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 network device error breakdown
*
* @v stats Network device statistics
* @v prefix Message prefix
*/
static void ifstat_errors ( struct net_device_stats *stats,
const char *prefix ) {
unsigned int i;
for ( i = 0 ; i < ( sizeof ( stats->errors ) /
sizeof ( stats->errors[0] ) ) ; i++ ) {
if ( stats->errors[i].count )
printf ( " [%s: %d x \"%s\"]\n", prefix,
stats->errors[i].count,
strerror ( stats->errors[i].rc ) );
}
}
/**
* 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->tx_stats.good, netdev->tx_stats.bad,
netdev->rx_stats.good, netdev->rx_stats.bad );
ifstat_errors ( &netdev->tx_stats, "TXE" );
ifstat_errors ( &netdev->rx_stats, "RXE" );
}
/**
* 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 ) {
int key;
while ( 1 ) {
if ( netdev_link_ok ( netdev ) )
return 0;
if ( max_wait_ms-- == 0 )
return -ETIMEDOUT;
step();
if ( iskey() ) {
key = getchar();
if ( key == CTRL_C )
return -ECANCELED;
}
mdelay ( 1 );
}
}
