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net/mlx5: Add helper functions for PTP callbacks

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The PTP callback functions should not be used directly by internal
callers. Add helpers that can be used internally and externally.

Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Jianbo Liu
2025-02-03 23:35:02 +02:00
committed by Paolo Abeni
parent 3924fa995c
commit e3ad54f5bd
1 changed files with 22 additions and 10 deletions
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32
drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
View File

@@ -119,6 +119,13 @@ static u32 mlx5_ptp_shift_constant(u32 dev_freq_khz)
ilog2((U32_MAX / NSEC_PER_MSEC) * dev_freq_khz));
}
static s32 mlx5_clock_getmaxphase(struct mlx5_core_dev *mdev)
{
return MLX5_CAP_MCAM_FEATURE(mdev, mtutc_time_adjustment_extended_range) ?
MLX5_MTUTC_OPERATION_ADJUST_TIME_EXTENDED_MAX :
MLX5_MTUTC_OPERATION_ADJUST_TIME_MAX;
}
static s32 mlx5_ptp_getmaxphase(struct ptp_clock_info *ptp)
{
struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, ptp_info);
@@ -126,14 +133,12 @@ static s32 mlx5_ptp_getmaxphase(struct ptp_clock_info *ptp)
mdev = container_of(clock, struct mlx5_core_dev, clock);
return MLX5_CAP_MCAM_FEATURE(mdev, mtutc_time_adjustment_extended_range) ?
MLX5_MTUTC_OPERATION_ADJUST_TIME_EXTENDED_MAX :
MLX5_MTUTC_OPERATION_ADJUST_TIME_MAX;
return mlx5_clock_getmaxphase(mdev);
}
static bool mlx5_is_mtutc_time_adj_cap(struct mlx5_core_dev *mdev, s64 delta)
{
s64 max = mlx5_ptp_getmaxphase(&mdev->clock.ptp_info);
s64 max = mlx5_clock_getmaxphase(mdev);
if (delta < -max || delta > max)
return false;
@@ -361,15 +366,12 @@ static int mlx5_ptp_settime_real_time(struct mlx5_core_dev *mdev,
return mlx5_set_mtutc(mdev, in, sizeof(in));
}
static int mlx5_ptp_settime(struct ptp_clock_info *ptp, const struct timespec64 *ts)
static int mlx5_clock_settime(struct mlx5_core_dev *mdev, struct mlx5_clock *clock,
const struct timespec64 *ts)
{
struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, ptp_info);
struct mlx5_timer *timer = &clock->timer;
struct mlx5_core_dev *mdev;
unsigned long flags;
mdev = container_of(clock, struct mlx5_core_dev, clock);
if (mlx5_modify_mtutc_allowed(mdev)) {
int err = mlx5_ptp_settime_real_time(mdev, ts);
@@ -385,6 +387,16 @@ static int mlx5_ptp_settime(struct ptp_clock_info *ptp, const struct timespec64
return 0;
}
static int mlx5_ptp_settime(struct ptp_clock_info *ptp, const struct timespec64 *ts)
{
struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, ptp_info);
struct mlx5_core_dev *mdev;
mdev = container_of(clock, struct mlx5_core_dev, clock);
return mlx5_clock_settime(mdev, clock, ts);
}
static
struct timespec64 mlx5_ptp_gettimex_real_time(struct mlx5_core_dev *mdev,
struct ptp_system_timestamp *sts)
@@ -1129,7 +1141,7 @@ static void mlx5_init_timer_clock(struct mlx5_core_dev *mdev)
struct timespec64 ts;
ktime_get_real_ts64(&ts);
mlx5_ptp_settime(&clock->ptp_info, &ts);
mlx5_clock_settime(mdev, clock, &ts);
}
}