/*
 *  linux/kernel/vserver/network.c
 *
 *  Virtual Server: Network Support
 *
 *  Copyright (C) 2003-2004  Herbert Pötzl
 *
 *  V0.01  broken out from vcontext V0.05
 *  V0.05  rlimit basic implementation
 *
 */

#include <linux/config.h>
//#include <linux/linkage.h>
//#include <linux/utsname.h>
#include <linux/slab.h>
#include <linux/vserver/network.h>
//#include <linux/vswitch.h>
#include <linux/vinline.h>
//#include <linux/sched.h>
//#include <linux/kernel_stat.h>

#include <asm/errno.h>
//#include <asm/uaccess.h>



LIST_HEAD(ip_infos);

spinlock_t iplist_lock
	__cacheline_aligned_in_smp = SPIN_LOCK_UNLOCKED;


/*
 *	struct ip_info allocation and deallocation
 */

static struct ip_info *alloc_ip_info(void)
{
	struct ip_info *new = NULL;
	
	vxdprintk("alloc_ip_info()\n");
	/* would this benefit from a slab cache? */
	new = kmalloc(sizeof(struct ip_info), GFP_KERNEL);
	if (!new)
		return 0;
	
	memset (new, 0, sizeof(struct ip_info));
	/* rest of init goes here */
	
	
	vxdprintk("alloc_ip_info() = %p\n", new);
	return new;
}

// extern int ip_proc_destroy(struct ip_info *);

void free_ip_info(struct ip_info *ipi)
{
	vxdprintk("free_ip_info(%p)\n", ipi);
//	ip_proc_destroy(ipi);
	kfree(ipi);
}

struct ip_info *create_ip_info(void)
{
	struct ip_info *new;
	
	vxdprintk("create_ip_info()\n");
	if (!(new = alloc_ip_info()))
		return 0;

	spin_lock(&iplist_lock);

	/* new ip info */
	atomic_set(&new->ip_refcount, 1);
	list_add(&new->ip_list, &ip_infos);
//	ip_proc_create(new);

	spin_unlock(&iplist_lock);
	return new;
}