tipc: split link outqueue

struct tipc_link contains one single queue for outgoing packets,
where both transmitted and waiting packets are queued.

This infrastructure is hard to maintain, because we need
to keep a number of fields to keep track of which packets are
sent or unsent, and the number of packets in each category.

A lot of code becomes simpler if we split this queue into a transmission
queue, where sent/unacknowledged packets are kept, and a backlog queue,
where we keep the not yet sent packets.

In this commit we do this separation.

Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

This commit is contained in:

Jon Paul Maloy

2015-03-13 16:08:10 -04:00

committed by

David S. Miller

parent 2cdf3918e4

commit 05dcc5aa4d

7 changed files with 149 additions and 166 deletions

									
										net/tipc/node.h
									
		+1
		-1
	
												View File
												
				@@ -84,7 +84,7 @@ struct tipc_node_bclink {

					u32 last_sent;

					u32 oos_state;

					u32 deferred_size;

					struct sk_buff_head deferred_queue;

					struct sk_buff_head deferdq;

					struct sk_buff *reasm_buf;

					int inputq_map;

					bool recv_permitted;