[PATCH] net/idpf: add clock read support

[Mandal, Anurag]

Recheck-request: rebase=next-net-intel, iol-testing

Thank you.

Regards,
Anurag M

> -----Original Message-----
> From: Mandal, Anurag <anurag.mandal at intel.com>
> Sent: 27 July 2026 23:00
> To: dev at dpdk.org
> Cc: Richardson, Bruce <bruce.richardson at intel.com>; Wu, Jingjing
> <jingjing.wu at intel.com>; Shetty, Praveen <praveen.shetty at intel.com>;
> Mandal, Anurag <anurag.mandal at intel.com>
> Subject: [PATCH] net/idpf: add clock read support
> 
> Implemented read_clock ethdev operation by adding
> idpf_dev_read_clock() feature to get current time in nanoseconds for
> scheduling packets based on transmit time.
> 
> Signed-off-by: Anurag Mandal <anurag.mandal at intel.com>
> ---
>  drivers/net/intel/idpf/idpf_ethdev.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/drivers/net/intel/idpf/idpf_ethdev.c
> b/drivers/net/intel/idpf/idpf_ethdev.c
> index c13505416a..224a649f53 100644
> --- a/drivers/net/intel/idpf/idpf_ethdev.c
> +++ b/drivers/net/intel/idpf/idpf_ethdev.c
> @@ -1124,6 +1124,15 @@ idpf_timesync_disable(struct rte_eth_dev *dev)
>  	return 0;
>  }
> 
> +static int
> +idpf_dev_read_clock(struct rte_eth_dev *dev, uint64_t *clock) {
> +	struct idpf_vport *vport = dev->data->dev_private;
> +	struct idpf_adapter *adapter = vport->adapter;
> +
> +	return idpf_ptp_read_src_clk_reg(adapter, clock); }
> +
> 
>  static const struct eth_dev_ops idpf_eth_dev_ops = {
>  	.dev_configure			= idpf_dev_configure,
> @@ -1159,6 +1168,7 @@ static const struct eth_dev_ops idpf_eth_dev_ops = {
>  	.timesync_read_time           = idpf_timesync_read_time,
>  	.timesync_write_time          = idpf_timesync_write_time,
>  	.timesync_disable             = idpf_timesync_disable,
> +	.read_clock                   = idpf_dev_read_clock,
>  };
> 
>  static int
> --
> 2.34.1