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authorDavid Howells <dhowells@redhat.com>2017-11-24 10:18:41 +0000
committerDavid Howells <dhowells@redhat.com>2017-11-24 10:18:41 +0000
commit3136ef49a14ccc148becf813074e08fc92fc9b23 (patch)
tree0c451ba91732eaf41e1c86e64e7f92b1faf8647f /net/rxrpc/conn_object.c
parent9faaff593404a9c4e5abc6839a641635d7b9d0cd (diff)
downloadlinux-3136ef49a14ccc148becf813074e08fc92fc9b23.tar.bz2
rxrpc: Delay terminal ACK transmission on a client call
Delay terminal ACK transmission on a client call by deferring it to the connection processor. This allows it to be skipped if we can send the next call instead, the first DATA packet of which will implicitly ack this call. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/conn_object.c')
-rw-r--r--net/rxrpc/conn_object.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c
index fe575798592f..a01a3791f06a 100644
--- a/net/rxrpc/conn_object.c
+++ b/net/rxrpc/conn_object.c
@@ -24,6 +24,14 @@ unsigned int rxrpc_connection_expiry = 10 * 60;
static void rxrpc_destroy_connection(struct rcu_head *);
+static void rxrpc_connection_timer(struct timer_list *timer)
+{
+ struct rxrpc_connection *conn =
+ container_of(timer, struct rxrpc_connection, timer);
+
+ rxrpc_queue_conn(conn);
+}
+
/*
* allocate a new connection
*/
@@ -38,6 +46,7 @@ struct rxrpc_connection *rxrpc_alloc_connection(gfp_t gfp)
INIT_LIST_HEAD(&conn->cache_link);
spin_lock_init(&conn->channel_lock);
INIT_LIST_HEAD(&conn->waiting_calls);
+ timer_setup(&conn->timer, &rxrpc_connection_timer, 0);
INIT_WORK(&conn->processor, &rxrpc_process_connection);
INIT_LIST_HEAD(&conn->proc_link);
INIT_LIST_HEAD(&conn->link);
@@ -332,6 +341,7 @@ static void rxrpc_destroy_connection(struct rcu_head *rcu)
_net("DESTROY CONN %d", conn->debug_id);
+ del_timer_sync(&conn->timer);
rxrpc_purge_queue(&conn->rx_queue);
conn->security->clear(conn);