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[net-next-2.6,9/9] sctp: move chunk from retransmit queue to abandoned list

Message ID 4DAE8C0C.8090506@cn.fujitsu.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Wei Yongjun April 20, 2011, 7:32 a.m. UTC 
If there is still data waiting to retransmit and remain in
retransmit queue, while doing the next retransmit, if the
chunk is abandoned, we should move it to abandoned list.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
---
 net/sctp/outqueue.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
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Patch

diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 3e9d8d2..1c88c89 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -577,6 +577,13 @@  static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt,
 	 * try to send as much as possible.
 	 */
 	list_for_each_entry_safe(chunk, chunk1, lqueue, transmitted_list) {
+		/* If the chunk is abandoned, move it to abandoned list. */
+		if (sctp_chunk_abandoned(chunk)) {
+			list_del_init(&chunk->transmitted_list);
+			sctp_insert_list(&q->abandoned,
+					 &chunk->transmitted_list);
+			continue;
+		}
 
 		/* Make sure that Gap Acked TSNs are not retransmitted.  A
 		 * simple approach is just to move such TSNs out of the