igmp.c

来自「一个基于linux的TCP/IP协议栈的实现」· C语言 代码 · 共 58 行

/* igmp.c  this file shouldn't in datalink module, but I have no idea.
 * [e-mail]
 * 2006-10-26
 */

#include "devinet.h"
#include "log.h"

#include <linux/rtnetlink.h>

#define MY_IGMP_Unsolicited_Report_Count		2

static void myigmp_gq_timer_expire(unsigned long data)
{

}

static void myigmp_ifc_timer_expire(unsigned long data)
{

}

void myip_mc_init_dev(struct in_device *in_dev)
{
	ASSERT_RTNL();

	in_dev->mc_tomb = NULL;
#ifdef CONFIG_IP_MULTICAST
	in_dev->mr_gq_running = 0;
	init_timer(&in_dev->mr_gq_timer);
	in_dev->mr_gq_timer.data=(unsigned long) in_dev;
	in_dev->mr_gq_timer.function=&myigmp_gq_timer_expire;
	in_dev->mr_ifc_count = 0;
	init_timer(&in_dev->mr_ifc_timer);
	in_dev->mr_ifc_timer.data=(unsigned long) in_dev;
	in_dev->mr_ifc_timer.function=&myigmp_ifc_timer_expire;
	in_dev->mr_qrv = MY_IGMP_Unsolicited_Report_Count;
#endif

	rwlock_init(&in_dev->mc_list_lock);
	spin_lock_init(&in_dev->mc_tomb_lock);
}

void myip_mc_up(struct in_device *in_dev)
{
/*
	struct ip_mc_list *i;

	ASSERT_RTNL();

	ip_mc_inc_group(in_dev, IGMP_ALL_HOSTS);

	for (i=in_dev->mc_list; i; i=i->next)
		igmp_group_added(i);
*/
}