add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c
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@@ -130,14 +130,6 @@
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 	return mlx5e_ethtool_flash_device(priv, flash);
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 }
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-enum mlx5_ptys_width {
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-	MLX5_PTYS_WIDTH_1X	= 1 << 0,
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-	MLX5_PTYS_WIDTH_2X	= 1 << 1,
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-	MLX5_PTYS_WIDTH_4X	= 1 << 2,
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-	MLX5_PTYS_WIDTH_8X	= 1 << 3,
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-	MLX5_PTYS_WIDTH_12X	= 1 << 4,
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-};
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-
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 static inline int mlx5_ptys_width_enum_to_int(enum mlx5_ptys_width width)
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 {
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 	switch (width) {
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@@ -174,34 +166,16 @@
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 	}
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 }
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-static int mlx5i_get_port_settings(struct net_device *netdev,
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-				   u16 *ib_link_width_oper, u16 *ib_proto_oper)
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-{
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-	struct mlx5e_priv *priv    = mlx5i_epriv(netdev);
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-	struct mlx5_core_dev *mdev = priv->mdev;
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-	u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0};
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-	int ret;
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-
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-	ret = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_IB, 1);
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-	if (ret)
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-		return ret;
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-
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-	*ib_link_width_oper = MLX5_GET(ptys_reg, out, ib_link_width_oper);
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-	*ib_proto_oper      = MLX5_GET(ptys_reg, out, ib_proto_oper);
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-
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-	return 0;
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-}
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-
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-static int mlx5i_get_speed_settings(u16 ib_link_width_oper, u16 ib_proto_oper)
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+static u32 mlx5i_get_speed_settings(u16 ib_link_width_oper, u16 ib_proto_oper)
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 {
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 	int rate, width;
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 	rate = mlx5_ptys_rate_enum_to_int(ib_proto_oper);
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 	if (rate < 0)
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-		return -EINVAL;
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+		return SPEED_UNKNOWN;
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 	width = mlx5_ptys_width_enum_to_int(ib_link_width_oper);
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 	if (width < 0)
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-		return -EINVAL;
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+		return SPEED_UNKNOWN;
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 	return rate * width;
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 }
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@@ -209,11 +183,14 @@
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 static int mlx5i_get_link_ksettings(struct net_device *netdev,
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 				    struct ethtool_link_ksettings *link_ksettings)
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 {
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+	struct mlx5e_priv *priv = mlx5i_epriv(netdev);
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+	struct mlx5_core_dev *mdev = priv->mdev;
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 	u16 ib_link_width_oper;
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 	u16 ib_proto_oper;
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 	int speed, ret;
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-	ret = mlx5i_get_port_settings(netdev, &ib_link_width_oper, &ib_proto_oper);
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+	ret = mlx5_query_ib_port_oper(mdev, &ib_link_width_oper, &ib_proto_oper,
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+				      1);
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 	if (ret)
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 		return ret;
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@@ -221,20 +198,20 @@
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 	ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
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 	speed = mlx5i_get_speed_settings(ib_link_width_oper, ib_proto_oper);
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-	if (speed < 0)
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-		return -EINVAL;
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+	link_ksettings->base.speed = speed;
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+	link_ksettings->base.duplex = speed == SPEED_UNKNOWN ? DUPLEX_UNKNOWN : DUPLEX_FULL;
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-	link_ksettings->base.duplex = DUPLEX_FULL;
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 	link_ksettings->base.port = PORT_OTHER;
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 	link_ksettings->base.autoneg = AUTONEG_DISABLE;
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-
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-	link_ksettings->base.speed = speed;
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 	return 0;
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 }
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 const struct ethtool_ops mlx5i_ethtool_ops = {
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+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
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+				     ETHTOOL_COALESCE_MAX_FRAMES |
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+				     ETHTOOL_COALESCE_USE_ADAPTIVE,
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 	.get_drvinfo        = mlx5i_get_drvinfo,
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 	.get_strings        = mlx5i_get_strings,
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 	.get_sset_count     = mlx5i_get_sset_count,