gpxe/src/usr/ifmgmt.c

   1 /*
   2  * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18
  19 #include <string.h>
  20 #include <stdio.h>
  21 #include <gpxe/netdevice.h>
  22 #include <gpxe/device.h>
  23 #include <usr/ifmgmt.h>
  24
  25 /** @file
  26  *
  27  * Network interface management
  28  *
  29  */
  30
  31 /**
  32  * Open network device
  33  *
  34  * @v netdev            Network device
  35  * @ret rc              Return status code
  36  */
  37 int ifopen ( struct net_device *netdev ) {
  38         int rc;
  39
  40         if ( ( rc = netdev_open ( netdev ) ) != 0 ) {
  41                 printf ( "Could not open %s: %s\n",
  42                          netdev->name, strerror ( rc ) );
  43                 return rc;
  44         }
  45
  46         return 0;
  47 }
  48
  49 /**
  50  * Close network device
  51  *
  52  * @v netdev            Network device
  53  */
  54 void ifclose ( struct net_device *netdev ) {
  55         netdev_close ( netdev );
  56 }
  57
  58 /**
  59  * Print status of network device
  60  *
  61  * @v netdev            Network device
  62  */
  63 void ifstat ( struct net_device *netdev ) {
  64         printf ( "%s: %s on %s (%s) TX:%d TXE:%d RX:%d RXE:%d\n",
  65                  netdev->name, netdev_hwaddr ( netdev ), netdev->dev->name,
  66                  ( ( netdev->state & NETDEV_OPEN ) ? "open" : "closed" ),
  67                  netdev->stats.tx_ok, netdev->stats.tx_err,
  68                  netdev->stats.rx_ok, netdev->stats.rx_err );
  69 }