netdev - Re: [PATCH net-next 3/3] nfp: add support restart of link auto-negotiation

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Message-ID: <20220922175453.0b7057ac@kernel.org>
Date:   Thu, 22 Sep 2022 17:54:53 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Simon Horman <simon.horman@...igine.com>
Cc:     David Miller <davem@...emloft.net>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        oss-drivers@...igine.com, Fei Qin <fei.qin@...igine.com>
Subject: Re: [PATCH net-next 3/3] nfp: add support restart of link
 auto-negotiation

On Wed, 21 Sep 2022 14:12:35 +0200 Simon Horman wrote:
> +	err = nfp_port_configure(netdev, false);
> +	if (err) {
> +		netdev_info(netdev, "Link down failed: %d\n", err);
> +		return err;
> +	}
> +
> +	err = nfp_port_configure(netdev, true);
> +	if (err) {
> +		netdev_info(netdev, "Link up failed: %d\n", err);
> +		return err;
> +	}
> +
> +	netdev_info(netdev, "Link reset succeeded\n");
> +	return 0;

This will not do anything if the port is forced up by multi host
or NC-SI.