From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
If the TCP connection attempt fails without ever establishing a
connection, then assume the problem may be the server is rejecting us
due to port reuse.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
net/sunrpc/xprtsock.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 71848ab90d13..1a96777f0ed5 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -62,6 +62,7 @@
#include "sunrpc.h"
static void xs_close(struct rpc_xprt *xprt);
+static void xs_reset_srcport(struct sock_xprt *transport);
static void xs_set_srcport(struct sock_xprt *transport, struct socket *sock);
static void xs_tcp_set_socket_timeouts(struct rpc_xprt *xprt,
struct socket *sock);
@@ -1565,8 +1566,10 @@ static void xs_tcp_state_change(struct sock *sk)
break;
case TCP_CLOSE:
if (test_and_clear_bit(XPRT_SOCK_CONNECTING,
- &transport->sock_state))
+ &transport->sock_state)) {
+ xs_reset_srcport(transport);
xprt_clear_connecting(xprt);
+ }
clear_bit(XPRT_CLOSING, &xprt->state);
/* Trigger the socket release */
xs_run_error_worker(transport, XPRT_SOCK_WAKE_DISCONNECT);
@@ -1722,6 +1725,11 @@ static void xs_set_port(struct rpc_xprt *xprt, unsigned short port)
xs_update_peer_port(xprt);
}
+static void xs_reset_srcport(struct sock_xprt *transport)
+{
+ transport->srcport = 0;
+}
+
static void xs_set_srcport(struct sock_xprt *transport, struct socket *sock)
{
if (transport->srcport == 0 && transport->xprt.reuseport)
--
2.41.0
