From: Jack Morgenstein <jackm@dev.mellanox.co.il>
Date: Tue, 17 Jul 2007 10:11:43 +0000 (+0300)
Subject: IB/mlx4: Increase max outstanding RDMA reads as target
X-Git-Tag: v2.6.23-rc1~483^2~7
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=c9f2ba5ed26a204a78bf23aa08a4f528f11a18f4;p=linux-2.6-omap-h63xx.git

IB/mlx4: Increase max outstanding RDMA reads as target

Change the maximum number of outstanding RDMA reads allowed as a
target from 4 to 16 to per QP.  This allows RDMA read operations to
pipeline better.

Pointed out by Dotan Barak and Sagi Rotem.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---

diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index e8f45e6aa95..4dc9dc19b71 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -78,7 +78,7 @@ static const char mlx4_version[] __devinitdata =
 static struct mlx4_profile default_profile = {
 	.num_qp		= 1 << 16,
 	.num_srq	= 1 << 16,
-	.rdmarc_per_qp	= 4,
+	.rdmarc_per_qp	= 1 << 4,
 	.num_cq		= 1 << 16,
 	.num_mcg	= 1 << 13,
 	.num_mpt	= 1 << 17,