tipc: Optimize routing of returned payload messages
Reduces the work involved in transmitting a returned payload message
by doing only the work necessary to route such a message directly to
the specified destination port, rather than invoking the code used
to route an arbitrary message to an arbitrary destination.
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/net/tipc/port.c b/net/tipc/port.c
index 756e64c..70ecdfd 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -360,6 +360,7 @@
int hdr_sz;
u32 imp = msg_importance(msg);
u32 data_sz = msg_data_sz(msg);
+ u32 src_node;
if (data_sz > MAX_REJECT_SIZE)
data_sz = MAX_REJECT_SIZE;
@@ -416,7 +417,11 @@
/* send returned message & dispose of rejected message */
- tipc_net_route_msg(rbuf);
+ src_node = msg_prevnode(msg);
+ if (src_node == tipc_own_addr)
+ tipc_port_recv_msg(rbuf);
+ else
+ tipc_link_send(rbuf, src_node, msg_link_selector(rmsg));
exit:
buf_discard(buf);
return data_sz;