From: Aya Levin Date: Tue, 11 Feb 2020 22:32:48 +0000 (-0800) Subject: net/mlx5e: Set FEC to auto when configured mode is not supported X-Git-Tag: v5.10.7~2946^2~396^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=511aa2aa637291288743b2eb0dc9eb76211af359;p=platform%2Fkernel%2Flinux-rpi.git net/mlx5e: Set FEC to auto when configured mode is not supported When configuring FEC mode, driver tries to set it for all available link types. If a link type doesn't support a FEC mode, set this link type to auto (FW best effort). Prior to this patch, when a link type didn't support a FEC mode is was set to no FEC. Signed-off-by: Aya Levin Reviewed-by: Eran Ben Elisha Signed-off-by: Saeed Mahameed --- diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c index fce6ecc..f0dc0ca 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c @@ -501,8 +501,6 @@ int mlx5e_get_fec_mode(struct mlx5_core_dev *dev, u32 *fec_mode_active, int mlx5e_set_fec_mode(struct mlx5_core_dev *dev, u8 fec_policy) { - u8 fec_policy_nofec = BIT(MLX5E_FEC_NOFEC); - bool fec_mode_not_supp_in_speed = false; u32 out[MLX5_ST_SZ_DW(pplm_reg)] = {}; u32 in[MLX5_ST_SZ_DW(pplm_reg)] = {}; int sz = MLX5_ST_SZ_BYTES(pplm_reg); @@ -526,23 +524,15 @@ int mlx5e_set_fec_mode(struct mlx5_core_dev *dev, u8 fec_policy) for (i = 0; i < MLX5E_FEC_SUPPORTED_SPEEDS; i++) { mlx5e_get_fec_cap_field(out, &fec_caps, fec_supported_speeds[i]); - /* policy supported for link speed, or policy is auto */ - if (fec_caps & fec_policy || fec_policy == fec_policy_auto) { + /* policy supported for link speed */ + if (fec_caps & fec_policy) mlx5e_fec_admin_field(out, &fec_policy, 1, fec_supported_speeds[i]); - } else { - /* turn off FEC if supported. Else, leave it the same */ - if (fec_caps & fec_policy_nofec) - mlx5e_fec_admin_field(out, &fec_policy_nofec, 1, - fec_supported_speeds[i]); - fec_mode_not_supp_in_speed = true; - } + else + /* set FEC to auto*/ + mlx5e_fec_admin_field(out, &fec_policy_auto, 1, + fec_supported_speeds[i]); } - if (fec_mode_not_supp_in_speed) - mlx5_core_dbg(dev, - "FEC policy 0x%x is not supported for some speeds", - fec_policy); - return mlx5_core_access_reg(dev, out, sz, out, sz, MLX5_REG_PPLM, 0, 1); }