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authorDavid S. Miller <davem@davemloft.net>2019-11-16 18:47:31 -0800
committerDavid S. Miller <davem@davemloft.net>2019-11-16 21:51:42 -0800
commit19b7e21c55c81713c4011278143006af9f232504 (patch)
treee1312ccebbc23ee6b6928d1d02d644a15d695b67 /drivers/net/ethernet/mellanox/mlx5
parent1e8795b1b20d2721620165434cdcf427ecd2ba85 (diff)
parent1d4c79ed324ad780cfc3ad38364ba1fd585dd2a8 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Lots of overlapping changes and parallel additions, stuff like that. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
index 0059b290e095..43f97601b500 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
@@ -236,6 +236,19 @@ static int mlx5_extts_configure(struct ptp_clock_info *ptp,
if (!MLX5_PPS_CAP(mdev))
return -EOPNOTSUPP;
+ /* Reject requests with unsupported flags */
+ if (rq->extts.flags & ~(PTP_ENABLE_FEATURE |
+ PTP_RISING_EDGE |
+ PTP_FALLING_EDGE |
+ PTP_STRICT_FLAGS))
+ return -EOPNOTSUPP;
+
+ /* Reject requests to enable time stamping on both edges. */
+ if ((rq->extts.flags & PTP_STRICT_FLAGS) &&
+ (rq->extts.flags & PTP_ENABLE_FEATURE) &&
+ (rq->extts.flags & PTP_EXTTS_EDGES) == PTP_EXTTS_EDGES)
+ return -EOPNOTSUPP;
+
if (rq->extts.index >= clock->ptp_info.n_pins)
return -EINVAL;
@@ -290,6 +303,10 @@ static int mlx5_perout_configure(struct ptp_clock_info *ptp,
if (!MLX5_PPS_CAP(mdev))
return -EOPNOTSUPP;
+ /* Reject requests with unsupported flags */
+ if (rq->perout.flags)
+ return -EOPNOTSUPP;
+
if (rq->perout.index >= clock->ptp_info.n_pins)
return -EINVAL;