netdev - [RFC PATCH V3 net-next 4/5] net/mlx5: Add support for DSFP module EEPROM dumps

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Message-ID: <1615828363-464-5-git-send-email-moshe@nvidia.com>
Date:   Mon, 15 Mar 2021 19:12:42 +0200
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>,
        Don Bollinger <don@...bollingers.org>, <netdev@...r.kernel.org>
CC:     Vladyslav Tarasiuk <vladyslavt@...dia.com>,
        Moshe Shemesh <moshe@...dia.com>
Subject: [RFC PATCH V3 net-next 4/5] 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 | 3 ++-
 include/linux/mlx5/port.h                      | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index f7a16fdfb8d3..3a7aa6b05198 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -446,7 +446,8 @@ int mlx5_query_module_eeprom_data(struct mlx5_core_dev *dev,
 	if (module_id != MLX5_MODULE_ID_SFP &&
 	    module_id != MLX5_MODULE_ID_QSFP &&
 	    module_id != MLX5_MODULE_ID_QSFP28 &&
-	    module_id != MLX5_MODULE_ID_QSFP_PLUS) {
+	    module_id != MLX5_MODULE_ID_QSFP_PLUS &&
+	    module_id != MLX5_MODULE_ID_DSFP) {
 		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 887cd43b41e8..71b4373cb96c 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