diff options
| author |   Gal Pressman <galp@mellanox.com> | 2016-12-08 16:03:31 +0200 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@mellanox.com> | 2017-01-19 23:19:59 +0200 |
| commit | 71862561f3a62015a11de16d1c306481e8415c08 (patch) | |
| tree | 857e6e11eca5f2b4beccfde120212b519daf22a8 /drivers/net/ethernet/mellanox/mlx5/core/fw.c | |
| parent | net/mlx5: Implement PCAM, MCAM access register commands (diff) | |
| download | linux-dev-71862561f3a62015a11de16d1c306481e8415c08.tar.xz linux-dev-71862561f3a62015a11de16d1c306481e8415c08.zip | |
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 <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/fw.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/fw.c | 20 |
1 files changed, 20 insertions, 0 deletions
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; } |