Exemplo n.º 1
0
/*
 * Set the cell timer to fire after a given delay, assuming it's not already
 * set for an earlier time.
 */
static void afs_set_cell_timer(struct afs_net *net, time64_t delay)
{
	if (net->live) {
		atomic_inc(&net->cells_outstanding);
		if (timer_reduce(&net->cells_timer, jiffies + delay * HZ))
			afs_dec_cells_outstanding(net);
	}
}
Exemplo n.º 2
0
/*
 * create an RxRPC socket
 */
static int rxrpc_create(struct net *net, struct socket *sock, int protocol,
			int kern)
{
	struct rxrpc_net *rxnet;
	struct rxrpc_sock *rx;
	struct sock *sk;

	_enter("%p,%d", sock, protocol);

	/* we support transport protocol UDP/UDP6 only */
	if (protocol != PF_INET &&
	    IS_ENABLED(CONFIG_AF_RXRPC_IPV6) && protocol != PF_INET6)
		return -EPROTONOSUPPORT;

	if (sock->type != SOCK_DGRAM)
		return -ESOCKTNOSUPPORT;

	sock->ops = &rxrpc_rpc_ops;
	sock->state = SS_UNCONNECTED;

	sk = sk_alloc(net, PF_RXRPC, GFP_KERNEL, &rxrpc_proto, kern);
	if (!sk)
		return -ENOMEM;

	sock_init_data(sock, sk);
	sock_set_flag(sk, SOCK_RCU_FREE);
	sk->sk_state		= RXRPC_UNBOUND;
	sk->sk_write_space	= rxrpc_write_space;
	sk->sk_max_ack_backlog	= 0;
	sk->sk_destruct		= rxrpc_sock_destructor;

	rx = rxrpc_sk(sk);
	rx->family = protocol;
	rx->calls = RB_ROOT;

	spin_lock_init(&rx->incoming_lock);
	INIT_LIST_HEAD(&rx->sock_calls);
	INIT_LIST_HEAD(&rx->to_be_accepted);
	INIT_LIST_HEAD(&rx->recvmsg_q);
	rwlock_init(&rx->recvmsg_lock);
	rwlock_init(&rx->call_lock);
	memset(&rx->srx, 0, sizeof(rx->srx));

	rxnet = rxrpc_net(sock_net(&rx->sk));
	timer_reduce(&rxnet->peer_keepalive_timer, jiffies + 1);

	_leave(" = 0 [%p]", rx);
	return 0;
}