mirror of https://github.com/ipxe/ipxe.git
153 lines
3.4 KiB
C
153 lines
3.4 KiB
C
/*
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* Copyright (C) 2007 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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FILE_LICENCE ( GPL2_OR_LATER );
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <errno.h>
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#include <ipxe/console.h>
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#include <ipxe/netdevice.h>
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#include <ipxe/device.h>
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#include <ipxe/process.h>
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#include <ipxe/keys.h>
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#include <usr/ifmgmt.h>
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/** @file
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*
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* Network interface management
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*
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*/
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/**
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* Open network device
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*
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* @v netdev Network device
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* @ret rc Return status code
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*/
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int ifopen ( struct net_device *netdev ) {
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int rc;
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if ( ( rc = netdev_open ( netdev ) ) != 0 ) {
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printf ( "Could not open %s: %s\n",
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netdev->name, strerror ( rc ) );
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return rc;
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}
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return 0;
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}
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/**
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* Close network device
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*
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* @v netdev Network device
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*/
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void ifclose ( struct net_device *netdev ) {
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netdev_close ( netdev );
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}
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/**
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* Print network device error breakdown
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*
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* @v stats Network device statistics
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* @v prefix Message prefix
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*/
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static void ifstat_errors ( struct net_device_stats *stats,
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const char *prefix ) {
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unsigned int i;
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for ( i = 0 ; i < ( sizeof ( stats->errors ) /
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sizeof ( stats->errors[0] ) ) ; i++ ) {
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if ( stats->errors[i].count )
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printf ( " [%s: %d x \"%s\"]\n", prefix,
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stats->errors[i].count,
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strerror ( stats->errors[i].rc ) );
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}
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}
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/**
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* Print status of network device
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*
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* @v netdev Network device
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*/
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void ifstat ( struct net_device *netdev ) {
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printf ( "%s: %s using %s on %s (%s)\n"
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" [Link:%s, TX:%d TXE:%d RX:%d RXE:%d]\n",
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netdev->name, netdev_addr ( netdev ),
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netdev->dev->driver_name, netdev->dev->name,
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( netdev_is_open ( netdev ) ? "open" : "closed" ),
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( netdev_link_ok ( netdev ) ? "up" : "down" ),
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netdev->tx_stats.good, netdev->tx_stats.bad,
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netdev->rx_stats.good, netdev->rx_stats.bad );
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if ( ! netdev_link_ok ( netdev ) ) {
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printf ( " [Link status: %s]\n",
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strerror ( netdev->link_rc ) );
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}
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ifstat_errors ( &netdev->tx_stats, "TXE" );
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ifstat_errors ( &netdev->rx_stats, "RXE" );
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}
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/**
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* Wait for link-up, with status indication
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*
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* @v netdev Network device
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* @v max_wait_ms Maximum time to wait, in ms
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*/
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int iflinkwait ( struct net_device *netdev, unsigned int max_wait_ms ) {
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int key;
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int rc;
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/* Allow link state to be updated */
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netdev_poll ( netdev );
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if ( netdev_link_ok ( netdev ) )
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return 0;
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printf ( "Waiting for link-up on %s...", netdev->name );
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while ( 1 ) {
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if ( netdev_link_ok ( netdev ) ) {
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rc = 0;
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break;
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}
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if ( max_wait_ms-- == 0 ) {
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rc = netdev->link_rc;
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break;
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}
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step();
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if ( iskey() ) {
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key = getchar();
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if ( key == CTRL_C ) {
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rc = -ECANCELED;
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break;
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}
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}
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mdelay ( 1 );
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}
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if ( rc == 0 ) {
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printf ( " ok\n" );
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} else {
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printf ( " failed: %s\n", strerror ( rc ) );
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}
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return rc;
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}
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