Commit c82ac7e6 authored by Sowmini Varadhan's avatar Sowmini Varadhan Committed by David S. Miller

net/rds: RDS-TCP: only initiate reconnect attempt on outgoing TCP socket.

When the peer of an RDS-TCP connection restarts, a reconnect
attempt should only be made from the active side  of the TCP
connection, i.e. the side that has a transient TCP port
number. Do not add the passive side of the TCP connection
to the c_hash_node and thus avoid triggering rds_queue_reconnect()
for passive rds connections.
Signed-off-by: default avatarSowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f711a6ae
...@@ -234,13 +234,22 @@ static struct rds_connection *__rds_conn_create(__be32 laddr, __be32 faddr, ...@@ -234,13 +234,22 @@ static struct rds_connection *__rds_conn_create(__be32 laddr, __be32 faddr,
/* Creating normal conn */ /* Creating normal conn */
struct rds_connection *found; struct rds_connection *found;
if (!is_outgoing && otrans->t_type == RDS_TRANS_TCP)
found = NULL;
else
found = rds_conn_lookup(head, laddr, faddr, trans); found = rds_conn_lookup(head, laddr, faddr, trans);
if (found) { if (found) {
trans->conn_free(conn->c_transport_data); trans->conn_free(conn->c_transport_data);
kmem_cache_free(rds_conn_slab, conn); kmem_cache_free(rds_conn_slab, conn);
conn = found; conn = found;
} else { } else {
if ((is_outgoing && otrans->t_type == RDS_TRANS_TCP) ||
(otrans->t_type != RDS_TRANS_TCP)) {
/* Only the active side should be added to
* reconnect list for TCP.
*/
hlist_add_head_rcu(&conn->c_hash_node, head); hlist_add_head_rcu(&conn->c_hash_node, head);
}
rds_cong_add_conn(conn); rds_cong_add_conn(conn);
rds_conn_count++; rds_conn_count++;
} }
......
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