oskit/oskit-20020317/freebsd/net/start_first_if.c

49 lines
1.8 KiB
C
Executable File

/*
* Copyright (c) 1997-1999 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit 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 GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
/*
* This code finds the first ethernet interface and prepares a structure
* which can be used to up that interface via ifconfig.
*/
#include <oskit/dev/error.h>
#include <oskit/dev/dev.h>
#include <oskit/dev/ethernet.h>
#include <oskit/net/freebsd.h>
#include "osenv.h"
/*
* find first ethernet device, open it and prepare net_ether_if struct
*/
oskit_error_t
oskit_freebsd_net_open_first_ether_if(
struct oskit_freebsd_net_ether_if **out_eif)
{
oskit_etherdev_t **etherdev;
/*
* Find all the Ethernet device nodes.
*/
int ndev = osenv_device_lookup(&oskit_etherdev_iid, (void***)&etherdev);
if (ndev <= 0) {
osenv_log(OSENV_LOG_WARNING, __FUNCTION__
": no ethernet adaptors found!");
return OSKIT_ENODEV;
}
/* XXX what happens to the references in the other etherdev[] fields */
return oskit_freebsd_net_open_ether_if(etherdev[0], out_eif);
}