128 lines
3.7 KiB
C
128 lines
3.7 KiB
C
/*
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* Copyright (c) 1993 Adam Glass
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Adam Glass.
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* 4. The name of the Author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Header: /cvsroot/src/sys/boot/Attic/netif.c,v 1.1 1993/10/12 06:02:33 glass Exp $
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*/
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/cdefs.h>
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#include <sys/mount.h>
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#include <time.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include "netboot.h"
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#include "config.h"
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#include "netif.h"
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static int netif_newp = 0; /* an optimization to skip over exhausted netifs */
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void netif_init()
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{
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int i;
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if (debug)
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printf("netif_init: called\n");
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for (i =0; i < n_netif; i++) {
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netiftab[i]->netif_unit;
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netiftab[i]->netif_exhausted = 0;
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}
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}
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int netif_match(nif, machdep_hint, unitp)
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struct netif *nif;
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void *machdep_hint;
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int *unitp;
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{
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if (debug)
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printf("netif_match: called\n");
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return nif->netif_match(machdep_hint, unitp);
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}
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struct netif *netif_select(machdep_hint)
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void *machdep_hint;
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{
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int i;
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struct netif *best_if = NULL;
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int best_unit;
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int best_val;
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int val, unit;
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best_val = 0;
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if (debug)
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printf("network interfaces: %d\n", n_netif);
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for (i = netif_newp; i < n_netif; i++) {
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val = netif_match(netiftab[i], machdep_hint, &unit);
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if (val == 0) {
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netiftab[i]->netif_exhausted = 1;
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continue;
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}
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if (debug)
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printf("netif_select: %s%d = %d\n", netiftab[i]->netif_bname,
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netiftab[i]->netif_unit, val);
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if (val > best_val) {
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best_if = netiftab[i];
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best_unit = unit;
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}
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}
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if (!best_if) return NULL;
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best_if->netif_unit = best_unit;
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return best_if;
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}
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int netif_probe(nif, machdep_hint)
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struct netif *nif;
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void *machdep_hint;
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{
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if (debug)
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printf("netif_probe: called\n");
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return nif->netif_probe(machdep_hint);
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}
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void netif_attach(nif, desc, machdep_hint)
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struct netif *nif;
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struct iodesc *desc;
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void *machdep_hint;
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{
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if (debug)
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printf("netif_attach: called\n");
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nif->netif_init(desc, machdep_hint);
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desc->io_netif = nif;
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bzero(desc->io_netif->netif_stats, *desc->io_netif->netif_stats);
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}
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void netif_detach(nif)
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struct netif *nif;
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{
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if (debug)
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printf("netif_detach: called\n");
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nif->netif_end();
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}
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