Exemplos de __ip_tunnel_create em C++ (Cpp)

Exemplo n.º 1

Arquivo: ip_tunnel.c Projeto: gbtian/mpip

int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
				  struct rtnl_link_ops *ops, char *devname)
{
	struct ip_tunnel_net *itn = net_generic(net, ip_tnl_net_id);
	struct ip_tunnel_parm parms;

	itn->tunnels = kzalloc(IP_TNL_HASH_SIZE * sizeof(struct hlist_head), GFP_KERNEL);
	if (!itn->tunnels)
		return -ENOMEM;

	if (!ops) {
		itn->fb_tunnel_dev = NULL;
		return 0;
	}
	memset(&parms, 0, sizeof(parms));
	if (devname)
		strlcpy(parms.name, devname, IFNAMSIZ);

	rtnl_lock();
	itn->fb_tunnel_dev = __ip_tunnel_create(net, ops, &parms);
	rtnl_unlock();
	if (IS_ERR(itn->fb_tunnel_dev)) {
		kfree(itn->tunnels);
		return PTR_ERR(itn->fb_tunnel_dev);
	}

	return 0;
}

Exemplo n.º 2

Arquivo: ip_tunnel.c Projeto: ki-project/ki_os_with_linux_header

int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
				  struct rtnl_link_ops *ops, char *devname)
{
	struct ip_tunnel_net *itn = net_generic(net, ip_tnl_net_id);
	struct ip_tunnel_parm parms;
	unsigned int i;

	for (i = 0; i < IP_TNL_HASH_SIZE; i++)
		INIT_HLIST_HEAD(&itn->tunnels[i]);

	if (!ops) {
		itn->fb_tunnel_dev = NULL;
		return 0;
	}

	memset(&parms, 0, sizeof(parms));
	if (devname)
		strlcpy(parms.name, devname, IFNAMSIZ);

	rtnl_lock();
	itn->fb_tunnel_dev = __ip_tunnel_create(net, ops, &parms);
	/* FB netdevice is special: we have one, and only one per netns.
	 * Allowing to move it to another netns is clearly unsafe.
	 */
	if (!IS_ERR(itn->fb_tunnel_dev)) {
		itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;
		itn->fb_tunnel_dev->mtu = ip_tunnel_bind_dev(itn->fb_tunnel_dev);
		ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev));
	}
	rtnl_unlock();

	return PTR_ERR_OR_ZERO(itn->fb_tunnel_dev);
}

Exemplo n.º 3

Arquivo: ip_tunnel.c Projeto: ki-project/ki_os_with_linux_header

static struct ip_tunnel *ip_tunnel_create(struct net *net,
					  struct ip_tunnel_net *itn,
					  struct ip_tunnel_parm *parms)
{
	struct ip_tunnel *nt;
	struct net_device *dev;

	BUG_ON(!itn->fb_tunnel_dev);
	dev = __ip_tunnel_create(net, itn->fb_tunnel_dev->rtnl_link_ops, parms);
	if (IS_ERR(dev))
		return ERR_CAST(dev);

	dev->mtu = ip_tunnel_bind_dev(dev);

	nt = netdev_priv(dev);
	ip_tunnel_add(itn, nt);
	return nt;
}

Exemplo n.º 4

Arquivo: ip_tunnel.c Projeto: AshishNamdev/linux

static struct ip_tunnel *ip_tunnel_create(struct net *net,
					  struct ip_tunnel_net *itn,
					  struct ip_tunnel_parm *parms)
{
	struct ip_tunnel *nt;
	struct net_device *dev;
	int t_hlen;

	BUG_ON(!itn->fb_tunnel_dev);
	dev = __ip_tunnel_create(net, itn->fb_tunnel_dev->rtnl_link_ops, parms);
	if (IS_ERR(dev))
		return ERR_CAST(dev);

	dev->mtu = ip_tunnel_bind_dev(dev);

	nt = netdev_priv(dev);
	t_hlen = nt->hlen + sizeof(struct iphdr);
	dev->min_mtu = ETH_MIN_MTU;
	dev->max_mtu = 0xFFF8 - dev->hard_header_len - t_hlen;
	ip_tunnel_add(itn, nt);
	return nt;
}