mlxsw: spectrum: PTP: Support SIOCGHWTSTAMP, SIOCSHWTSTAMP ioctls

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The SIOCSHWTSTAMP ioctl configures HW timestamping on a given port.
Dispatch the ioctls to per-chip handler (which add to ptp_ops). Find
which PTP messages need to be timestamped and configure MTPPPC
accordingly.

The SIOCGHWTSTAMP ioctl is getter for the current configuration.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Petr Machata 2019-06-30 09:04:59 +03:00 • committed by David S. Miller

parent a773c76cb8

commit 8748642751

3 changed files with 227 additions and 0 deletions

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70

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

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123

drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c

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34

drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.h

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