dev_mcast.c

来自「一个基于linux的TCP/IP协议栈的实现」· C语言 代码 · 共 35 行

/* dev_mcast.c
 * [e-mail]
 * 2006-10-23
 */

#include <linux/spinlock.h>

#include "dev.h"

static void __mydev_mc_upload(struct net_device *dev)
{
	if( !(dev->flags & IFF_UP) )
		return;
	if( dev->set_multicast_list == NULL || !netif_device_present(dev) )
		return;
	dev->set_multicast_list(dev);
}

void mydev_mc_upload( struct net_device *dev )
{
	spin_lock_bh(&dev->xmit_lock);
	__mydev_mc_upload(dev);
	spin_unlock_bh(&dev->xmit_lock);
}

int mydev_mc_add(struct net_device *dev, void *addr, int alen, int glbl)
{
	return 0;
}

int mydev_mc_delete(struct net_device *dev, void *addr, int alen, int glbl)
{
	return 0;
}