#include "sunrpc.h"
static void xs_close(struct rpc_xprt *xprt);
+static void xs_tcp_set_socket_timeouts(struct rpc_xprt *xprt,
+ struct socket *sock);
/*
* xprtsock tunables
if (task->tk_flags & RPC_TASK_SENT)
zerocopy = false;
+ if (test_bit(XPRT_SOCK_UPD_TIMEOUT, &transport->sock_state))
+ xs_tcp_set_socket_timeouts(xprt, transport->sock);
+
/* Continue transmitting the packet/record. We must be careful
* to cope with writespace callbacks arriving _after_ we have
* called sendmsg(). */
char *p;
len = sizeof(transport->tcp_xid) - transport->tcp_offset;
- dprintk("RPC: reading XID (%Zu bytes)\n", len);
+ dprintk("RPC: reading XID (%zu bytes)\n", len);
p = ((char *) &transport->tcp_xid) + transport->tcp_offset;
used = xdr_skb_read_bits(desc, p, len);
transport->tcp_offset += used;
*/
offset = transport->tcp_offset - sizeof(transport->tcp_xid);
len = sizeof(transport->tcp_calldir) - offset;
- dprintk("RPC: reading CALL/REPLY flag (%Zu bytes)\n", len);
+ dprintk("RPC: reading CALL/REPLY flag (%zu bytes)\n", len);
p = ((char *) &transport->tcp_calldir) + offset;
used = xdr_skb_read_bits(desc, p, len);
transport->tcp_offset += used;
return;
}
- dprintk("RPC: XID %08x read %Zd bytes\n",
+ dprintk("RPC: XID %08x read %zd bytes\n",
ntohl(transport->tcp_xid), r);
dprintk("RPC: xprt = %p, tcp_copied = %lu, tcp_offset = %u, "
"tcp_reclen = %u\n", xprt, transport->tcp_copied,
desc->count -= len;
desc->offset += len;
transport->tcp_offset += len;
- dprintk("RPC: discarded %Zu bytes\n", len);
+ dprintk("RPC: discarded %zu bytes\n", len);
xs_tcp_check_fraghdr(transport);
}
*/
static void xs_udp_timer(struct rpc_xprt *xprt, struct rpc_task *task)
{
+ spin_lock_bh(&xprt->transport_lock);
xprt_adjust_cwnd(xprt, task, -ETIMEDOUT);
+ spin_unlock_bh(&xprt->transport_lock);
}
static unsigned short xs_get_random_port(void)
static void xs_tcp_set_socket_timeouts(struct rpc_xprt *xprt,
struct socket *sock)
{
- unsigned int keepidle = DIV_ROUND_UP(xprt->timeout->to_initval, HZ);
- unsigned int keepcnt = xprt->timeout->to_retries + 1;
+ struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
+ unsigned int keepidle;
+ unsigned int keepcnt;
unsigned int opt_on = 1;
unsigned int timeo;
+ spin_lock_bh(&xprt->transport_lock);
+ keepidle = DIV_ROUND_UP(xprt->timeout->to_initval, HZ);
+ keepcnt = xprt->timeout->to_retries + 1;
+ timeo = jiffies_to_msecs(xprt->timeout->to_initval) *
+ (xprt->timeout->to_retries + 1);
+ clear_bit(XPRT_SOCK_UPD_TIMEOUT, &transport->sock_state);
+ spin_unlock_bh(&xprt->transport_lock);
+
/* TCP Keepalive options */
kernel_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
(char *)&opt_on, sizeof(opt_on));
(char *)&keepcnt, sizeof(keepcnt));
/* TCP user timeout (see RFC5482) */
- timeo = jiffies_to_msecs(xprt->timeout->to_initval) *
- (xprt->timeout->to_retries + 1);
kernel_setsockopt(sock, SOL_TCP, TCP_USER_TIMEOUT,
(char *)&timeo, sizeof(timeo));
}
+static void xs_tcp_set_connect_timeout(struct rpc_xprt *xprt,
+ unsigned long connect_timeout,
+ unsigned long reconnect_timeout)
+{
+ struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
+ struct rpc_timeout to;
+ unsigned long initval;
+
+ spin_lock_bh(&xprt->transport_lock);
+ if (reconnect_timeout < xprt->max_reconnect_timeout)
+ xprt->max_reconnect_timeout = reconnect_timeout;
+ if (connect_timeout < xprt->connect_timeout) {
+ memcpy(&to, xprt->timeout, sizeof(to));
+ initval = DIV_ROUND_UP(connect_timeout, to.to_retries + 1);
+ /* Arbitrary lower limit */
+ if (initval < XS_TCP_INIT_REEST_TO << 1)
+ initval = XS_TCP_INIT_REEST_TO << 1;
+ to.to_initval = initval;
+ to.to_maxval = initval;
+ memcpy(&transport->tcp_timeout, &to,
+ sizeof(transport->tcp_timeout));
+ xprt->timeout = &transport->tcp_timeout;
+ xprt->connect_timeout = connect_timeout;
+ }
+ set_bit(XPRT_SOCK_UPD_TIMEOUT, &transport->sock_state);
+ spin_unlock_bh(&xprt->transport_lock);
+}
+
static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
{
struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
.set_retrans_timeout = xprt_set_retrans_timeout_def,
.close = xs_tcp_shutdown,
.destroy = xs_destroy,
+ .set_connect_timeout = xs_tcp_set_connect_timeout,
.print_stats = xs_tcp_print_stats,
.enable_swap = xs_enable_swap,
.disable_swap = xs_disable_swap,
xprt->timeout = &xs_tcp_default_timeout;
xprt->max_reconnect_timeout = xprt->timeout->to_maxval;
+ xprt->connect_timeout = xprt->timeout->to_initval *
+ (xprt->timeout->to_retries + 1);
INIT_WORK(&transport->recv_worker, xs_tcp_data_receive_workfn);
INIT_DELAYED_WORK(&transport->connect_worker, xs_tcp_setup_socket);
if (!val)
return -EINVAL;
ret = kstrtouint(val, 0, &num);
- if (ret == -EINVAL || num < min || num > max)
+ if (ret)
+ return ret;
+ if (num < min || num > max)
return -EINVAL;
*((unsigned int *)kp->arg) = num;
return 0;