netdev - [PATCH net-next 4/8] net/mlx5: Add support for DSFP module EEPROM dumps

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Date:   Fri, 9 Apr 2021 11:06:37 +0300
From:   Moshe Shemesh <moshe@...dia.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, Andrew Lunn <andrew@...n.ch>,
        Adrian Pop <pop.adrian61@...il.com>,
        "Michal Kubecek" <mkubecek@...e.cz>
CC:     <netdev@...r.kernel.org>,
        Vladyslav Tarasiuk <vladyslavt@...dia.com>
Subject: [PATCH net-next 4/8] net/mlx5: Add support for DSFP module EEPROM dumps

From: Vladyslav Tarasiuk <vladyslavt@...dia.com>

Allow the driver to recognise DSFP transceiver module ID and therefore
allow its EEPROM dumps using ethtool.

Signed-off-by: Vladyslav Tarasiuk <vladyslavt@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/port.c | 2 ++
 include/linux/mlx5/port.h                      | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index 522a41f8f1e2..1ef2b6a848c1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -454,6 +454,8 @@ int mlx5_query_module_eeprom_by_page(struct mlx5_core_dev *dev,
 		if (params->page > 3)
 			return -EINVAL;
 		break;
+	case MLX5_MODULE_ID_DSFP:
+		break;
 	default:
 		mlx5_core_err(dev, "Module ID not recognized: 0x%x\n", module_id);
 		return -EINVAL;
diff --git a/include/linux/mlx5/port.h b/include/linux/mlx5/port.h
index 58d56adb9842..77ea4f9c5265 100644
--- a/include/linux/mlx5/port.h
+++ b/include/linux/mlx5/port.h
@@ -45,6 +45,7 @@ enum mlx5_module_id {
 	MLX5_MODULE_ID_QSFP             = 0xC,
 	MLX5_MODULE_ID_QSFP_PLUS        = 0xD,
 	MLX5_MODULE_ID_QSFP28           = 0x11,
+	MLX5_MODULE_ID_DSFP		= 0x1B,
 };
 
 enum mlx5_an_status {
-- 
2.26.2