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net/mlx5: Add support for NPPS with real time mode

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Add support for setting NPPS. NPPS is currently available in
REAL_TIME_CLOCK mode only. In addition allow the user to set the pulse
duration.

When NPPS pulse duration is not set explicitly by the user, driver set
it to 50% of the NPPS period.

Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Eran Ben Elisha <eranbe@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Aya Levin 2022-09-07 16:36:24 -07:00 • committed by Saeed Mahameed
parent 976a859c9c
commit f0462bc3e9
2 changed files with 121 additions and 20 deletions
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2
include/linux/mlx5/driver.h
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@ -698,6 +698,8 @@ struct mlx5_pps {
struct work_struct out_work;
u64 start[MAX_PIN_NUM];
u8 enabled;
u64 min_npps_period;
u64 min_out_pulse_duration_ns;
};
struct mlx5_timer {