[ewg] [PATCH] mlx4_ib: Allow 4K messages for UD QPs

[Eli Cohen]

Current code limits UD QPs message size to 2K while MTU is set to 4K.
This patch sets message size to 4K.

Signed-off-by: Alex Naslednikov <xalex at mellanox.co.il>
Signed-off-by: Eli Cohen <eli at mellanox.co.il>
---
 drivers/infiniband/hw/mlx4/qp.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index f7bc7dd..f29dbb7 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -902,7 +902,7 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
 			context->mtu_msgmax = (IB_MTU_4096 << 5) |
 					      ilog2(dev->dev->caps.max_gso_sz);
 		else
-			context->mtu_msgmax = (IB_MTU_4096 << 5) | 11;
+			context->mtu_msgmax = (IB_MTU_4096 << 5) | 12;
 	} else if (attr_mask & IB_QP_PATH_MTU) {
 		if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_4096) {
 			printk(KERN_ERR "path MTU (%u) is invalid\n",
-- 
1.5.6