linux-kernel - [PATCH AUTOSEL for 4.15 020/124] IB/mlx5: Report inner RSS capability

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Date:   Mon, 19 Mar 2018 15:47:19 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
CC:     Maor Gottlieb <maorg@...lanox.com>,
        Leon Romanovsky <leon@...nel.org>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL for 4.15 020/124] IB/mlx5: Report inner RSS capability

From: Maor Gottlieb <maorg@...lanox.com>

[ Upstream commit 4e2b53a5cb5a8243284dd7ec4980d2dc556e79f0 ]

Add missing inner RSS support capability as part of
the RSS supported fields.

In addition change MLX5_RX_HASH_INNER to 1UL << 31 in
order to define it as unsigned.

Fixes: 309fa3470fca ("IB/mlx5: Add support for RSS on the inner packet")
Signed-off-by: Maor Gottlieb <maorg@...lanox.com>
Signed-off-by: Leon Romanovsky <leon@...nel.org>
Signed-off-by: Jason Gunthorpe <jgg@...lanox.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
 drivers/infiniband/hw/mlx5/main.c | 3 ++-
 include/uapi/rdma/mlx5-abi.h      | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 262c1aa2e028..f8b06102cc5d 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -682,7 +682,8 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
 						MLX5_RX_HASH_SRC_PORT_TCP |
 						MLX5_RX_HASH_DST_PORT_TCP |
 						MLX5_RX_HASH_SRC_PORT_UDP |
-						MLX5_RX_HASH_DST_PORT_UDP;
+						MLX5_RX_HASH_DST_PORT_UDP |
+						MLX5_RX_HASH_INNER;
 			resp.response_length += sizeof(resp.rss_caps);
 		}
 	} else {
diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h
index a33e0517d3fd..062d14f07b61 100644
--- a/include/uapi/rdma/mlx5-abi.h
+++ b/include/uapi/rdma/mlx5-abi.h
@@ -307,7 +307,7 @@ enum mlx5_rx_hash_fields {
 	MLX5_RX_HASH_SRC_PORT_UDP	= 1 << 6,
 	MLX5_RX_HASH_DST_PORT_UDP	= 1 << 7,
 	/* Save bits for future fields */
-	MLX5_RX_HASH_INNER		= 1 << 31
+	MLX5_RX_HASH_INNER		= (1UL << 31),
 };
 
 struct mlx5_ib_create_qp_rss {
-- 
2.14.1