From 71862561f3a62015a11de16d1c306481e8415c08 Mon Sep 17 00:00:00 2001 From: Gal Pressman Date: Thu, 8 Dec 2016 16:03:31 +0200 Subject: net/mlx5: Query and cache PCAM, MCAM registers on initialization On load_one, we now cache our capabilities registers internally, similar to QUERY_HCA_CAP. Capabilities can later be queried using macros introduced in this patch. Signed-off-by: Gal Pressman Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/fw.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'drivers/net/ethernet/mellanox/mlx5/core/fw.c') diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c index 5718aada6605..d0bbefa08af7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c @@ -91,6 +91,20 @@ out: } EXPORT_SYMBOL(mlx5_core_query_vendor_id); +static int mlx5_get_pcam_reg(struct mlx5_core_dev *dev) +{ + return mlx5_query_pcam_reg(dev, dev->caps.pcam, + MLX5_PCAM_FEATURE_ENHANCED_FEATURES, + MLX5_PCAM_REGS_5000_TO_507F); +} + +static int mlx5_get_mcam_reg(struct mlx5_core_dev *dev) +{ + return mlx5_query_mcam_reg(dev, dev->caps.mcam, + MLX5_MCAM_FEATURE_ENHANCED_FEATURES, + MLX5_MCAM_REGS_FIRST_128); +} + int mlx5_query_hca_caps(struct mlx5_core_dev *dev) { int err; @@ -154,6 +168,12 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev) return err; } + if (MLX5_CAP_GEN(dev, pcam_reg)) + mlx5_get_pcam_reg(dev); + + if (MLX5_CAP_GEN(dev, mcam_reg)) + mlx5_get_mcam_reg(dev); + return 0; } -- cgit v1.2.3-59-g8ed1b