netdev - Re: [PATCH v2] e1000e: convert to stats64

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Message-ID: <1292503830.2883.92.camel@edumazet-laptop>
Date:	Thu, 16 Dec 2010 13:50:30 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Flavio Leitner <fleitner@...hat.com>
Cc:	netdev@...r.kernel.org, e1000-devel@...ts.sourceforge.net,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: Re: [PATCH v2] e1000e: convert to stats64

Le jeudi 16 décembre 2010 à 10:31 -0200, Flavio Leitner a écrit :

> -static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
> +struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
> +						   struct rtnl_link_stats64 *stats)
>  {
> -	/* only return the current stats */
> -	return &netdev->stats;
> +	struct e1000_adapter *adapter = netdev_priv(netdev);
> +
> +	memset(stats, 0, sizeof(struct rtnl_link_stats64));

You dont need this memset(), stats is cleared by caller (dev_get_stats()
in net/core/dev.c), as this was always done ;)

> +	spin_lock(&adapter->stats64_lock);
> +	e1000e_update_stats(adapter);
> +	/* Fill out the OS statistics structure */
> +	stats->rx_bytes = adapter->stats.gorc;
> +	stats->rx_packets = adapter->stats.gprc;
> +	stats->tx_bytes = adapter->stats.gotc;
> +	stats->tx_packets = adapter->stats.gptc;
> +	stats->multicast = adapter->stats.mprc;
> +	stats->collisions = adapter->stats.colc;
> +

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