netdev - Re: [Intel-wired-lan] [PATCH v10 iwl-next 06/11] idpf: add mailbox access to read PTP clock time

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Message-ID: <dca033b3-bb86-435f-b8f3-c3fd42fb5cbc@intel.com>
Date: Tue, 8 Apr 2025 14:17:36 -0700
From: Jacob Keller <jacob.e.keller@...el.com>
To: Milena Olech <milena.olech@...el.com>, <intel-wired-lan@...ts.osuosl.org>
CC: <netdev@...r.kernel.org>, <anthony.l.nguyen@...el.com>,
	<przemyslaw.kitszel@...el.com>, Alexander Lobakin
	<aleksander.lobakin@...el.com>, Willem de Bruijn <willemb@...gle.com>,
	"Samuel Salin" <Samuel.salin@...el.com>
Subject: Re: [Intel-wired-lan] [PATCH v10 iwl-next 06/11] idpf: add mailbox
 access to read PTP clock time



On 4/8/2025 3:30 AM, Milena Olech wrote:
> When the access to read PTP clock is specified as mailbox, the driver
> needs to send virtchnl message to perform PTP actions. Message is sent
> using idpf_mbq_opc_send_msg_to_peer_drv mailbox opcode, with the parameters
> received during PTP capabilities negotiation.
> 
> Add functions to recognize PTP messages, move them to dedicated secondary
> mailbox, read the PTP clock time and cross timestamp using mailbox
> messages.
> 
> Reviewed-by: Alexander Lobakin <aleksander.lobakin@...el.com>
> Reviewed-by: Willem de Bruijn <willemb@...gle.com>
> Signed-off-by: Milena Olech <milena.olech@...el.com>
> Tested-by: Samuel Salin <Samuel.salin@...el.com>
> ---
Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>