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/*
* $Id: libbridge_misc.c,v 1.1.1.4 2003/10/14 08:09:37 sparq Exp $
*
* Copyright (C) 2000 Lennert Buytenhek
*
* 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 (at your option) 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 <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#include <asm/param.h>
#include "libbridge.h"
#include "libbridge_private.h"
unsigned long __tv_to_jiffies(struct timeval *tv)
{
unsigned long jif;
jif = 1000000 * tv->tv_sec + tv->tv_usec;
return (HZ*jif)/1000000;
}
void __jiffies_to_tv(struct timeval *tv, unsigned long jiffies)
{
unsigned long tvusec;
tvusec = (1000000*jiffies)/HZ;
tv->tv_sec = tvusec/1000000;
tv->tv_usec = tvusec - 1000000 * tv->tv_sec;
}
static char *state_names[5] = {"disabled", "listening", "learning", "forwarding", "blocking"};
char *br_get_state_name(int state)
{
if (state >= 0 && state <= 4)
return state_names[state];
return "<INVALID STATE>";
}
struct bridge *br_find_bridge(char *brname)
{
struct bridge *b;
b = bridge_list;
while (b != NULL) {
if (!strcmp(b->ifname, brname))
return b;
b = b->next;
}
return NULL;
}
struct port *br_find_port(struct bridge *br, char *portname)
{
char index;
struct port *p;
if (!(index = if_nametoindex(portname)))
return NULL;
p = br->firstport;
while (p != NULL) {
if (p->ifindex == index)
return p;
p = p->next;
}
return NULL;
}
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