ger.kernel.org; linuxppc-dev@lists.ozlabs.org;
> linux-arm-ker...@lists.infradead.org; linux-ker...@vger.kernel.org
> Subject: Re: [PATCH 09/10] dpaa_eth: add support for hardware timestamping
>
> On Tue, Jun 05, 2018 at 03:35:28AM +, Y.b. Lu wrote:
> > [Y.b. Lu] Actually these t
On Tue, Jun 05, 2018 at 03:35:28AM +, Y.b. Lu wrote:
> [Y.b. Lu] Actually these timestamping codes affected DPAA networking
> performance in our previous performance test.
> That's why we used ifdef for it.
How much does time stamping hurt performance?
If the time stamping is compiled in
kernel.org; linuxppc-dev@lists.ozlabs.org;
> linux-arm-ker...@lists.infradead.org; linux-ker...@vger.kernel.org
> Subject: Re: [PATCH 09/10] dpaa_eth: add support for hardware timestamping
>
> On Mon, Jun 04, 2018 at 03:08:36PM +0800, Yangbo Lu wrote:
>
> > +if FSL_DPAA_ETH
&
On Mon, Jun 04, 2018 at 03:08:36PM +0800, Yangbo Lu wrote:
> +if FSL_DPAA_ETH
> +config FSL_DPAA_ETH_TS
> + bool "DPAA hardware timestamping support"
> + select PTP_1588_CLOCK_QORIQ
> + default n
> + help
> + Enable DPAA hardware timestamping support.
> + This option
This patch is to add hardware timestamping support
for dpaa_eth. On Rx, timestamping is enabled for
all frames. On Tx, we only instruct the hardware
to timestamp the frames marked accordingly by the
stack.
Signed-off-by: Yangbo Lu
---
drivers/net/ethernet/freescale/dpaa/Kconfig| 12 +++
