C++ (Cpp) fib_new_table Examples

Example #1

File: fib_frontend.c Project: forgivemyheart/linux

struct fib_table *fib_new_table(struct net *net, u32 id)
{
	struct fib_table *tb, *alias = NULL;
	unsigned int h;

	if (id == 0)
		id = RT_TABLE_MAIN;
	tb = fib_get_table(net, id);
	if (tb)
		return tb;

	if (id == RT_TABLE_LOCAL)
		alias = fib_new_table(net, RT_TABLE_MAIN);

	tb = fib_trie_table(id, alias);
	if (!tb)
		return NULL;

	switch (id) {
	case RT_TABLE_MAIN:
		rcu_assign_pointer(net->ipv4.fib_main, tb);
		break;
	case RT_TABLE_DEFAULT:
		rcu_assign_pointer(net->ipv4.fib_default, tb);
		break;
	default:
		break;
	}

	h = id & (FIB_TABLE_HASHSZ - 1);
	hlist_add_head_rcu(&tb->tb_hlist, &net->ipv4.fib_table_hash[h]);
	return tb;
}

Example #2

File: vrf.c Project: AshishNamdev/linux

static int vrf_rtable_create(struct net_device *dev)
{
	struct net_vrf *vrf = netdev_priv(dev);
	struct rtable *rth, *rth_local;

	if (!fib_new_table(dev_net(dev), vrf->tb_id))
		return -ENOMEM;

	/* create a dst for routing packets out through a VRF device */
	rth = rt_dst_alloc(dev, 0, RTN_UNICAST, 1, 1, 0);
	if (!rth)
		return -ENOMEM;

	/* create a dst for local ingress routing - packets sent locally
	 * to local address via the VRF device as a loopback
	 */
	rth_local = rt_dst_alloc(dev, RTCF_LOCAL, RTN_LOCAL, 1, 1, 0);
	if (!rth_local) {
		dst_release(&rth->dst);
		return -ENOMEM;
	}

	rth->dst.output	= vrf_output;
	rth->rt_table_id = vrf->tb_id;

	rth_local->rt_table_id = vrf->tb_id;

	rcu_assign_pointer(vrf->rth, rth);
	rcu_assign_pointer(vrf->rth_local, rth_local);

	return 0;
}

Example #3

File: fib_rules.c Project: A2109devs/lenovo_a2109a_kernel

static struct fib_table *fib_empty_table(struct net *net)
{
	u32 id;

	for (id = 1; id <= RT_TABLE_MAX; id++)
		if (fib_get_table(net, id) == NULL)
			return fib_new_table(net, id);
	return NULL;
}

Example #4

File: fib_rules.c Project: HuChundong/Endeavor3.1.10

static struct fib_table *fib_empty_table(struct net *net)
{
	u32 id;

#ifdef FIB_RULE_DEBUG
	printk(KERN_DEBUG "[NET][IPV4][RULE] %s \n", __func__);
#endif

	for (id = 1; id <= RT_TABLE_MAX; id++)
		if (fib_get_table(net, id) == NULL)
			return fib_new_table(net, id);
	return NULL;
}

Example #5

File: vrf.c Project: 513855417/linux

static int vrf_rtable_create(struct net_device *dev)
{
	struct net_vrf *vrf = netdev_priv(dev);
	struct rtable *rth;

	if (!fib_new_table(dev_net(dev), vrf->tb_id))
		return -ENOMEM;

	rth = rt_dst_alloc(dev, 0, RTN_UNICAST, 1, 1, 0);
	if (!rth)
		return -ENOMEM;

	rth->dst.output = vrf_output;
	rth->rt_table_id = vrf->tb_id;

	rcu_assign_pointer(vrf->rth, rth);

	return 0;
}