[Intel-wired-lan] [next-queue PATCH v3 3/5] igc: Add support for TX timestamping

[Brown, Aaron F]

> From: Intel-wired-lan <intel-wired-lan-bounces at osuosl.org> On Behalf Of
> Vinicius Costa Gomes
> Sent: Monday, December 2, 2019 3:20 PM
> To: intel-wired-lan at lists.osuosl.org
> Subject: [Intel-wired-lan] [next-queue PATCH v3 3/5] igc: Add support for TX
> timestamping
> 
> This adds support for timestamping packets being transmitted.
> 
> Based on the code from i210. The basic differences is that i225 has 4
> registers to store the transmit timestamps (i210 has one). Right now,
> we only support retrieving from one register, support for using the
> other registers will be added later.
> 
> Signed-off-by: Vinicius Costa Gomes <vinicius.gomes at intel.com>
> ---
>  drivers/net/ethernet/intel/igc/igc.h         |  2 +
>  drivers/net/ethernet/intel/igc/igc_defines.h | 14 +++
>  drivers/net/ethernet/intel/igc/igc_main.c    | 49 +++++++++++
>  drivers/net/ethernet/intel/igc/igc_ptp.c     | 92 ++++++++++++++++++++
>  4 files changed, 157 insertions(+)
> 

Tested-by: Aaron Brown <aaron.f.brown at intel.com>