示例#1
0
/* associated socket ceases to exist */
static void pep_sock_close(struct sock *sk, long timeout)
{
	struct pep_sock *pn = pep_sk(sk);
	int ifindex = 0;

	sock_hold(sk); /* keep a reference after sk_common_release() */
	sk_common_release(sk);

	lock_sock(sk);
	if (sk->sk_state == TCP_LISTEN) {
		/* Destroy the listen queue */
		struct sock *sknode;
		struct hlist_node *p, *n;

		sk_for_each_safe(sknode, p, n, &pn->ackq)
			sk_del_node_init(sknode);
		sk->sk_state = TCP_CLOSE;
	}
	ifindex = pn->ifindex;
	pn->ifindex = 0;
	release_sock(sk);

	if (ifindex)
		gprs_detach(sk);
	sock_put(sk);
}
示例#2
0
static int nl_pid_hash_rehash(struct nl_pid_hash *hash, int grow)
{
	unsigned int omask, mask, shift;
	size_t osize, size;
	struct hlist_head *otable, *table;
	int i;

	omask = mask = hash->mask;
	osize = size = (mask + 1) * sizeof(*table);
	shift = hash->shift;

	if (grow) {
		if (++shift > hash->max_shift)
			return 0;
		mask = mask * 2 + 1;
		size *= 2;
	}

	table = nl_pid_hash_alloc(size);
	if (!table)
		return 0;

	memset(table, 0, size);
	otable = hash->table;
	hash->table = table;
	hash->mask = mask;
	hash->shift = shift;
	get_random_bytes(&hash->rnd, sizeof(hash->rnd));

	for (i = 0; i <= omask; i++) {
		struct sock *sk;
		struct hlist_node *node, *tmp;

		sk_for_each_safe(sk, node, tmp, &otable[i])
			__sk_add_node(sk, nl_pid_hashfn(hash, nlk_sk(sk)->pid));
	}

	nl_pid_hash_free(otable, osize);
	hash->rehash_time = jiffies + 10 * 60 * HZ;
	return 1;
}