netdev - Re: [PATCH iwl-net 01/10] idpf: initial PTP support

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Message-ID: <20241115123818.GM1062410@kernel.org>
Date: Fri, 15 Nov 2024 12:38:18 +0000
From: Simon Horman <horms@...nel.org>
To: Milena Olech <milena.olech@...el.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
	anthony.l.nguyen@...el.com, przemyslaw.kitszel@...el.com,
	Alexander Lobakin <aleksander.lobakin@...el.com>
Subject: Re: [PATCH iwl-net 01/10] idpf: initial PTP support

On Wed, Nov 13, 2024 at 04:46:09PM +0100, Milena Olech wrote:
> PTP feature is supported if the VIRTCHNL2_CAP_PTP is negotiated during the
> capabilities recognition. Initial PTP support includes PTP initialization
> and registration of the clock.
> 
> Reviewed-by: Alexander Lobakin <aleksander.lobakin@...el.com>
> Signed-off-by: Milena Olech <milena.olech@...el.com>

...

> diff --git a/drivers/net/ethernet/intel/idpf/idpf_ptp.h b/drivers/net/ethernet/intel/idpf/idpf_ptp.h
> new file mode 100644
> index 000000000000..cb19988ca60f
> --- /dev/null
> +++ b/drivers/net/ethernet/intel/idpf/idpf_ptp.h
> @@ -0,0 +1,32 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/* Copyright (C) 2024 Intel Corporation */
> +
> +#ifndef _IDPF_PTP_H
> +#define _IDPF_PTP_H
> +
> +#include <linux/ptp_clock_kernel.h>
> +
> +/**
> + * struct idpf_ptp - PTP parameters
> + * @info: structure defining PTP hardware capabilities
> + * @clock: pointer to registered PTP clock device
> + * @adapter: back pointer to the adapter
> + */
> +struct idpf_ptp {
> +	struct ptp_clock_info info;
> +	struct ptp_clock *clock;
> +	struct idpf_adapter *adapter;
> +};
> +
> +#if IS_ENABLED(CONFIG_PTP_1588_CLOCK)
> +int idpf_ptp_init(struct idpf_adapter *adapter);
> +void idpf_ptp_release(struct idpf_adapter *adapter);
> +#else /* CONFIG_PTP_1588_CLOCK */
> +static inline int idpf_ptp_init(struct idpf_adapter *adpater)

nit: adapter

> +{
> +	return 0;
> +}
> +
> +static inline void idpf_ptp_release(struct idpf_adapter *adpater) { }

Ditto

> +#endif /* CONFIG_PTP_1588_CLOCK */
> +#endif /* _IDPF_PTP_H */

...