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Commit 017dac31 authored by Allan Stephens's avatar Allan Stephens Committed by Paul Gortmaker
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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: default avatarAllan Stephens <allan.stephens@windriver.com>
Signed-off-by: default avatarPaul Gortmaker <paul.gortmaker@windriver.com>
parent 76d12527

net/tipc/port.c

+6 −1
Original line number Diff line number Diff line
@@ -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;