netdev - Re: [PATCH net-next v2 1/8] ethtool: add standard pause stats

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Message-ID: <20200914014840.GD3463198@lunn.ch>
Date:   Mon, 14 Sep 2020 03:48:40 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, mkubecek@...e.cz,
        michael.chan@...adcom.com, tariqt@...dia.com, saeedm@...dia.com,
        alexander.duyck@...il.com
Subject: Re: [PATCH net-next v2 1/8] ethtool: add standard pause stats

>  static int pause_prepare_data(const struct ethnl_req_info *req_base,
> @@ -34,10 +36,17 @@ static int pause_prepare_data(const struct ethnl_req_info *req_base,
>  
>  	if (!dev->ethtool_ops->get_pauseparam)
>  		return -EOPNOTSUPP;
> +
>  	ret = ethnl_ops_begin(dev);
>  	if (ret < 0)
>  		return ret;
>  	dev->ethtool_ops->get_pauseparam(dev, &data->pauseparam);
> +	if (req_base->flags & ETHTOOL_FLAG_STATS &&
> +	    dev->ethtool_ops->get_pause_stats) {
> +		memset(&data->pausestat, 0xff,
> +		       sizeof(struct ethtool_pause_stats));

Sorry, i missed v1 of these patches. Maybe this has been commented?

Filling with 0xff is odd. I don't know of any other code doing this.

	Andrew