From: leonidk <leonidk@ad392aa1-c5ef-ae45-8dd8-e69d62a5ef86>
Date: Thu, 13 Nov 2008 17:40:16 +0000 (+0000)
Subject: [MTHCA] 1361 fix added a bug: now all applications, creating QP with zero receive... 
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=ee1373733fc2d6937602677e2e280e1b56feee95;p=~shefty%2Frdma-win.git

[MTHCA] 1361 fix added a bug: now all applications, creating QP with zero receive QP size, will fail with send completion error.

This patch fixes that.




git-svn-id: svn://openib.tc.cornell.edu/gen1@1760 ad392aa1-c5ef-ae45-8dd8-e69d62a5ef86
---

diff --git a/branches/WOF2-0/trunk/hw/mthca/kernel/mthca_qp.c b/branches/WOF2-0/trunk/hw/mthca/kernel/mthca_qp.c
index 8242c62b..4a95d9c9 100644
--- a/branches/WOF2-0/trunk/hw/mthca/kernel/mthca_qp.c
+++ b/branches/WOF2-0/trunk/hw/mthca/kernel/mthca_qp.c
@@ -1374,6 +1374,12 @@ static int mthca_set_qp_size(struct mthca_dev *dev, struct ib_qp_cap *cap,
 	if (qp->transport == MLX && cap->max_recv_sge + 2 > (u32)dev->limits.max_sg)
 		return -EINVAL;
 
+	/* Enable creating zero-sized QPs */
+	if (!cap->max_recv_wr)
+		cap->max_recv_wr = 1;
+	if (!cap->max_send_wr)
+		cap->max_send_wr = 1;
+	
 	if (mthca_is_memfree(dev)) {
 		qp->rq.max = cap->max_recv_wr ?
 			roundup_pow_of_two(cap->max_recv_wr) : 0;