netdev - Re: [PATCHv2] net: usbnet: support 64bit stats in qmi

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Message-ID: <20170324114853.6ec9b09e@xeon-e3>
Date:   Fri, 24 Mar 2017 11:48:53 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Greg Ungerer <gerg@...ux-m68k.org>
Cc:     bjorn@...k.no, oneukum@...e.com, netdev@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCHv2] net: usbnet: support 64bit stats in qmi_wwan driver

On Fri, 24 Mar 2017 11:27:30 +1000
Greg Ungerer <gerg@...ux-m68k.org> wrote:

> +struct usbnet_stats64 {
> +	struct u64_stats_sync	syncp;
> +	u64			rx_packets;
> +	u64			rx_bytes;
> +	u64			tx_packets;
> +	u64			tx_bytes;
> +};
> +

There already is similar structure in netdevice.h

/* often modified stats are per-CPU, other are shared (netdev->stats) */
struct pcpu_sw_netstats {
	u64     rx_packets;
	u64     rx_bytes;
	u64     tx_packets;
	u64     tx_bytes;
	struct u64_stats_sync   syncp;
};