Пример #1
0
/*
 * release an RxRPC socket
 */
static int rxrpc_release_sock(struct sock *sk)
{
	struct rxrpc_sock *rx = rxrpc_sk(sk);
	struct rxrpc_net *rxnet = rxrpc_net(sock_net(&rx->sk));

	_enter("%p{%d,%d}", sk, sk->sk_state, refcount_read(&sk->sk_refcnt));

	/* declare the socket closed for business */
	sock_orphan(sk);
	sk->sk_shutdown = SHUTDOWN_MASK;

	/* We want to kill off all connections from a service socket
	 * as fast as possible because we can't share these; client
	 * sockets, on the other hand, can share an endpoint.
	 */
	switch (sk->sk_state) {
	case RXRPC_SERVER_BOUND:
	case RXRPC_SERVER_BOUND2:
	case RXRPC_SERVER_LISTENING:
	case RXRPC_SERVER_LISTEN_DISABLED:
		rx->local->service_closed = true;
		break;
	}

	spin_lock_bh(&sk->sk_receive_queue.lock);
	sk->sk_state = RXRPC_CLOSE;
	spin_unlock_bh(&sk->sk_receive_queue.lock);

	if (rx->local && rcu_access_pointer(rx->local->service) == rx) {
		write_lock(&rx->local->services_lock);
		rcu_assign_pointer(rx->local->service, NULL);
		write_unlock(&rx->local->services_lock);
	}

	/* try to flush out this socket */
	rxrpc_discard_prealloc(rx);
	rxrpc_release_calls_on_socket(rx);
	flush_workqueue(rxrpc_workqueue);
	rxrpc_purge_queue(&sk->sk_receive_queue);
	rxrpc_queue_work(&rxnet->service_conn_reaper);
	rxrpc_queue_work(&rxnet->client_conn_reaper);

	rxrpc_put_local(rx->local);
	rx->local = NULL;
	key_put(rx->key);
	rx->key = NULL;
	key_put(rx->securities);
	rx->securities = NULL;
	sock_put(sk);

	_leave(" = 0");
	return 0;
}
Пример #2
0
/*
 * put a packet up for transport-level abort
 */
void rxrpc_reject_packet(struct rxrpc_local *local, struct sk_buff *skb)
{
	CHECK_SLAB_OKAY(&local->usage);

	skb_queue_tail(&local->reject_queue, skb);
	rxrpc_queue_work(&local->processor);
}
Пример #3
0
void rxrpc_reject_packet(struct rxrpc_local *local, struct sk_buff *skb)
{
	CHECK_SLAB_OKAY(&local->usage);

	if (!atomic_inc_not_zero(&local->usage)) {
		printk("resurrected on reject\n");
		BUG();
	}

	skb_queue_tail(&local->reject_queue, skb);
	rxrpc_queue_work(&local->rejecter);
}