netdev - Re: [Intel-wired-lan] [PATCH iwl-next v5 11/12] iavf: handle SIOCSHWTSTAMP and SIOCGHWTSTAMP

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Message-ID: <874jbye8gs.fsf@nvidia.com>
Date: Thu, 18 Apr 2024 13:08:10 -0700
From: Rahul Rameshbabu <rrameshbabu@...dia.com>
To: Mateusz Polchlopek <mateusz.polchlopek@...el.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
 horms@...nel.org, anthony.l.nguyen@...el.com, Jacob Keller
 <jacob.e.keller@...el.com>, Wojciech Drewek <wojciech.drewek@...el.com>
Subject: Re: [Intel-wired-lan] [PATCH iwl-next v5 11/12] iavf: handle
 SIOCSHWTSTAMP and SIOCGHWTSTAMP

On Thu, 18 Apr, 2024 01:24:59 -0400 Mateusz Polchlopek <mateusz.polchlopek@...el.com> wrote:
> From: Jacob Keller <jacob.e.keller@...el.com>
>
> Add handlers for the SIOCSHWTSTAMP and SIOCGHWTSTAMP ioctls which allow
> userspace to request timestamp enablement for the device. This
> support allows standard Linux applications to request the timestamping
> desired.
>
> As with other devices that support timestamping all packets, the driver
> will upgrade any request for timestamping of a specific type of packet
> to HWTSTAMP_FILTER_ALL.
>
> The current configuration is stored, so that it can be retrieved by
> SIOCGHWTSTAMP.
>
> The Tx timestamps are not implemented yet so calling SIOCSHWTSTAMP for
> Tx path will end with EOPNOTSUPP error code.
>
> Reviewed-by: Wojciech Drewek <wojciech.drewek@...el.com>
> Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
> Co-developed-by: Mateusz Polchlopek <mateusz.polchlopek@...el.com>
> Signed-off-by: Mateusz Polchlopek <mateusz.polchlopek@...el.com>
> ---

Reviewed-by: Rahul Rameshbabu <rrameshbabu@...dia.com>