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FAILED: Patch "net/mlx5e: Fix ethtool indication of connector type" failed to apply to 4.19-stable tree

PATCH Sasha Levin 1 participant 1 message Apr 12, 2021

Subsystems (4)
Network drivers Stable branch Mellanox mlx5 core Mellanox Ethernet driver (mlx5e)
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Sasha Levin

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The patch below does not apply to the 4.19-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

Thanks,
Sasha

------------------ original commit in Linus's tree ------------------

From 3211434dfe7a66fcf55e43961ea524b78336c04c Mon Sep 17 00:00:00 2001
From: Aya Levin <[email protected]>
Date: Wed, 24 Mar 2021 12:25:06 +0200
Subject: [PATCH] net/mlx5e: Fix ethtool indication of connector type

Use connector_type read from PTYS register when it's valid, based on corresponding capability bit.

Fixes 5b4793f81745 ("net/mlx5e: Add support for reading connector type from PTYS")
Signed-off-by Aya Levin <[email protected]>
Reviewed-by Eran Ben Elisha <[email protected]>
Signed-off-by Saeed Mahameed <[email protected]>
---
 .../ethernet/mellanox/mlx5/core/en_ethtool.c  | 22 +++++++++----------
 1 file changed, 11 insertions(+), 11 deletions(-)
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +11 -11
index f5f2a8fd0046..53802e18af90 100644
@@ -758,11 +758,11 @@ static int get_fec_supported_advertised(struct mlx5_core_dev *dev,
 	return 0;
 }
 
-static void ptys2ethtool_supported_advertised_port(struct ethtool_link_ksettings *link_ksettings,
-						   u32 eth_proto_cap,
-						   u8 connector_type, bool ext)
+static void ptys2ethtool_supported_advertised_port(struct mlx5_core_dev *mdev,
+						   struct ethtool_link_ksettings *link_ksettings,
+						   u32 eth_proto_cap, u8 connector_type)
 {
-	if ((!connector_type && !ext) || connector_type >= MLX5E_CONNECTOR_TYPE_NUMBER) {
+	if (!MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type)) {
 		if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR)
 				   | MLX5E_PROT_MASK(MLX5E_10GBASE_SR)
 				   | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4)

@@ -898,9 +898,9 @@ static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = {
 		[MLX5E_PORT_OTHER]              = PORT_OTHER,
 	};
 
-static u8 get_connector_port(u32 eth_proto, u8 connector_type, bool ext)
+static u8 get_connector_port(struct mlx5_core_dev *mdev, u32 eth_proto, u8 connector_type)
 {
-	if ((connector_type || ext) && connector_type < MLX5E_CONNECTOR_TYPE_NUMBER)
+	if (MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type))
 		return ptys2connector_type[connector_type];
 
 	if (eth_proto &

@@ -1001,11 +1001,11 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv,
 			 data_rate_oper, link_ksettings);
 
 	eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap;
-
-	link_ksettings->base.port = get_connector_port(eth_proto_oper,
-						       connector_type, ext);
-	ptys2ethtool_supported_advertised_port(link_ksettings, eth_proto_admin,
-					       connector_type, ext);
+	connector_type = connector_type < MLX5E_CONNECTOR_TYPE_NUMBER ?
+			 connector_type : MLX5E_PORT_UNKNOWN;
+	link_ksettings->base.port = get_connector_port(mdev, eth_proto_oper, connector_type);
+	ptys2ethtool_supported_advertised_port(mdev, link_ksettings, eth_proto_admin,
+					       connector_type);
 	get_lp_advertising(mdev, eth_proto_lp, link_ksettings);
 
 	if (an_status == MLX5_AN_COMPLETE)
Signature · 1 line
2.30.2