From: Ido Schimmel <ido...@idosch.org> Date: Thu, 4 Jul 2019 10:07:32 +0300
> From: Ido Schimmel <ido...@mellanox.com> > > Shalom says: > > In order to get more accurate hardware time stamping in Spectrum-1, the > driver needs to apply a shaper on the port for speeds lower than 40Gbps. > This shaper is called a PTP shaper and it is applied on hierarchy 0, > which is the port hierarchy. This shaper may affect the shaper rates of > all hierarchies. > > This patchset adds the ability to enable or disable the PTP shaper on > the port in two scenarios: > 1. When the user wants to enable/disable the hardware time stamping > 2. When the port is brought up or down (including port speed change) > > Patch #1 adds the QEEC.ptps field that is used for enabling or disabling > the PTP shaper on a port. > > Patch #2 adds a note about disabling the PTP shaper when calling to > mlxsw_sp_port_ets_maxrate_set(). > > Patch #3 adds the QPSC register that is responsible for configuring the > PTP shaper parameters per speed. > > Patch #4 sets the PTP shaper parameters during the ptp_init(). > > Patch #5 adds new operation for getting the port's speed. > > Patch #6 enables/disables the PTP shaper when turning on or off the > hardware time stamping. > > Patch #7 enables/disables the PTP shaper when the port's status has > changed (including port speed change). > > Patch #8 applies the PTP shaper enable/disable logic by filling the PTP > shaper parameters array. Series applied, thanks.
