[openib-general] [PATCH] [RMPP] fix handling of duplicate RMPP ACK

[Sean Hefty]

This patch fixes the handling of a duplicate RMPP ACK.

Hal, can you test this and see if it corrects the problems that you were
seeing on the SA side?

Signed-off-by: Sean Hefty <sean.hefty at intel.com>


Index: mad_rmpp.c
===================================================================
--- mad_rmpp.c	(revision 2563)
+++ mad_rmpp.c	(working copy)
@@ -657,7 +657,8 @@ static void process_rmpp_ack(struct ib_m
 			ib_reset_mad_timeout(mad_send_wr, mad_send_wr->
 					     send_wr.wr.ud.timeout_ms);
 	} else if (mad_send_wr->refcount == 1 &&
-		   mad_send_wr->seg_num < mad_send_wr->newwin) {
+		   mad_send_wr->seg_num < mad_send_wr->newwin &&
+		   mad_send_wr->seg_num <= mad_send_wr->total_seg) {
 		/* Send failure will just result in a timeout/retry */
 		ret = send_next_seg(mad_send_wr);
 		if (ret)