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[TIPC]: Skip connection flow control in connectionless sockets

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This patch optimizes the receive path for SOCK_DGRAM and SOCK_RDM
messages by skipping over code that handles connection-based flow
control.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Allan Stephens 2008-04-15 00:06:12 -07:00 committed by David S. Miller
parent 2c8dd11636
commit 990098068f
1 changed files with 2 additions and 1 deletions
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3
net/tipc/socket.c
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@ -919,7 +919,8 @@ restart:
/* Consume received message (optional) */ /* Consume received message (optional) */
if (likely(!(flags & MSG_PEEK))) { if (likely(!(flags & MSG_PEEK))) {
if (unlikely(++tsock->p->conn_unacked >= TIPC_FLOW_CONTROL_WIN)) if ((sock->state != SS_READY) &&
(++tsock->p->conn_unacked >= TIPC_FLOW_CONTROL_WIN))
tipc_acknowledge(tsock->p->ref, tsock->p->conn_unacked); tipc_acknowledge(tsock->p->ref, tsock->p->conn_unacked);
advance_queue(tsock); advance_queue(tsock);
} }