linux-kernel - [PATCH mlx5-next v1 02/11] net/mlx5: Properly convey driver version to firmware

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Message-Id: <20201101201542.2027568-3-leon@kernel.org>
Date:   Sun,  1 Nov 2020 22:15:33 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        gregkh <gregkh@...uxfoundation.org>
Cc:     Leon Romanovsky <leonro@...dia.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Jason Wang <jasowang@...hat.com>, linux-rdma@...r.kernel.org,
        "Michael S. Tsirkin" <mst@...hat.com>, netdev@...r.kernel.org,
        Parav Pandit <parav@...dia.com>, Roi Dayan <roid@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>,
        virtualization@...ts.linux-foundation.org,
        alsa-devel@...a-project.org, tiwai@...e.de, broonie@...nel.org,
        "David S . Miller" <davem@...emloft.net>,
        ranjani.sridharan@...ux.intel.com,
        pierre-louis.bossart@...ux.intel.com, fred.oh@...ux.intel.com,
        shiraz.saleem@...el.com, dan.j.williams@...el.com,
        kiran.patil@...el.com, linux-kernel@...r.kernel.org
Subject: [PATCH mlx5-next v1 02/11] net/mlx5: Properly convey driver version to firmware

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

mlx5 firmware expects driver version in specific format X.X.X, so
make it always correct and based on real kernel version aligned with
the driver.

Fixes: 012e50e109fd ("net/mlx5: Set driver version into firmware")
Signed-off-by: Leon Romanovsky <leonro@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/main.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 8ff207aa1479..71e210f22f69 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -50,6 +50,7 @@
 #ifdef CONFIG_RFS_ACCEL
 #include <linux/cpu_rmap.h>
 #endif
+#include <linux/version.h>
 #include <net/devlink.h>
 #include "mlx5_core.h"
 #include "lib/eq.h"
@@ -233,7 +234,10 @@ static void mlx5_set_driver_version(struct mlx5_core_dev *dev)
 	strncat(string, ",", remaining_size);

 	remaining_size = max_t(int, 0, driver_ver_sz - strlen(string));
-	strncat(string, DRIVER_VERSION, remaining_size);
+
+	snprintf(string + strlen(string), remaining_size, "%u.%u.%u",
+		 (u8)(LINUX_VERSION_CODE >> 16), (u8)(LINUX_VERSION_CODE >> 8),
+		 (u16)(LINUX_VERSION_CODE & 0xff));

 	/*Send the command*/
 	MLX5_SET(set_driver_version_in, in, opcode,
--
2.28.0