linux-kernel - [PATCH 4.16 21/52] RDMA/mlx4: Add missed RSS hash inner header flag

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Message-Id: <20180508073930.887257070@linuxfoundation.org>
Date:   Tue,  8 May 2018 10:10:19 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Leon Romanovsky <leonro@...lanox.com>,
        Doug Ledford <dledford@...hat.com>
Subject: [PATCH 4.16 21/52] RDMA/mlx4: Add missed RSS hash inner header flag

4.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Leon Romanovsky <leonro@...lanox.com>

commit 4f9ca2d8686ecfdd40ca4f0294a3d94f83f05cea upstream.

Despite being advertised to user space application, the RSS inner
header flag was filtered by checks at the beginning of QP creation
routine.

Cc: <stable@...r.kernel.org> # 4.15
Fixes: 4d02ebd9bbbd ("IB/mlx4: Fix RSS hash fields restrictions")
Fixes: 07d84f7b6adf ("IB/mlx4: Add support to RSS hash for inner headers")
Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
Signed-off-by: Doug Ledford <dledford@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/infiniband/hw/mlx4/qp.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -673,7 +673,8 @@ static int set_qp_rss(struct mlx4_ib_dev
 					  MLX4_IB_RX_HASH_SRC_PORT_TCP	|
 					  MLX4_IB_RX_HASH_DST_PORT_TCP	|
 					  MLX4_IB_RX_HASH_SRC_PORT_UDP	|
-					  MLX4_IB_RX_HASH_DST_PORT_UDP)) {
+					  MLX4_IB_RX_HASH_DST_PORT_UDP  |
+					  MLX4_IB_RX_HASH_INNER)) {
 		pr_debug("RX Hash fields_mask has unsupported mask (0x%llx)\n",
 			 ucmd->rx_hash_fields_mask);
 		return (-EOPNOTSUPP);