int dev_close(struct device *dev)
{
/*
* Only close a device if it is up.
*/
if (dev->flags != 0)
{
int ct=0;
dev->flags = 0;
/*
* Call the device specific close. This cannot fail.
*/
if (dev->stop)
dev->stop(dev);
notifier_call_chain(&netdev_chain, NETDEV_DOWN, dev);
#if 0
/*
* Delete the route to the device.
*/
#ifdef CONFIG_INET
ip_rt_flush(dev);
arp_device_down(dev);
#endif
#ifdef CONFIG_IPX
ipxrtr_device_down(dev);
#endif
#endif
/*
* Flush the multicast chain
*/
dev_mc_discard(dev);
/*
* Blank the IP addresses
*/
dev->pa_addr = 0;
dev->pa_dstaddr = 0;
dev->pa_brdaddr = 0;
dev->pa_mask = 0;
/*
* Purge any queued packets when we down the link
*/
while(ct<DEV_NUMBUFFS)
{
struct sk_buff *skb;
while((skb=skb_dequeue(&dev->buffs[ct]))!=NULL)
if(skb->free)
kfree_skb(skb,FREE_WRITE);
ct++;
}
}
return(0);
}
int dev_close(struct device *dev)
{
int ct=0;
/*
* Call the device specific close. This cannot fail.
* Only if device is UP
*/
if ((dev->flags & IFF_UP) && dev->stop)
dev->stop(dev);
/*
* Device is now down.
*/
dev->flags&=~(IFF_UP|IFF_RUNNING);
/*
* Tell people we are going down
*/
notifier_call_chain(&netdev_chain, NETDEV_DOWN, dev);
/*
* Flush the multicast chain
*/
dev_mc_discard(dev);
/*
* Purge any queued packets when we down the link
*/
while(ct<DEV_NUMBUFFS)
{
struct sk_buff *skb;
while((skb=skb_dequeue(&dev->buffs[ct]))!=NULL)
if(skb->free)
kfree_skb(skb,FREE_WRITE);
ct++;
}
return(0);
}
