From: Allan Stephens Date: Tue, 24 May 2011 17:20:09 +0000 (-0400) Subject: tipc: Optimize routing of returned payload messages X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=017dac31dc8a25ad45421715d88c3869e299fd35;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git 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 Signed-off-by: Paul Gortmaker --- 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;