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authorAllan Stephens <allan.stephens@windriver.com>2011-05-24 21:20:09 +0400
committerPaul Gortmaker <paul.gortmaker@windriver.com>2011-06-25 00:18:15 +0400
commit017dac31dc8a25ad45421715d88c3869e299fd35 (patch)
treefb3a44ebd4ce8f9b51c2c11b38653d53590e1ffe /net/tipc/port.c
parent76d12527f74ad1b42b068252fdd2056c8ae48a99 (diff)
downloadlinux-017dac31dc8a25ad45421715d88c3869e299fd35.tar.xz
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>
Diffstat (limited to 'net/tipc/port.c')
-rw-r--r--net/tipc/port.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/net/tipc/port.c b/net/tipc/port.c
index 756e64cbff96..70ecdfdf6e3a 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -360,6 +360,7 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
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 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
/* 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;