netdev - Re: [PATCH net-next] ip_tunnel: Move stats update to iptunnel

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 23 Dec 2015 10:49:07 +0100
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	Pravin B Shelar <pshelar@...ira.com>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] ip_tunnel: Move stats update to iptunnel_xmit()

Le 22/12/2015 01:34, Pravin B Shelar a écrit :
> By moving stats update into iptunnel_xmit(), we can simplify
> iptunnel_xmit() usage. With this change there is no need to
> call another function (iptunnel_xmit_stats()) to update stats
> in tunnel xmit code path.
>
> Signed-off-by: Pravin B Shelar <pshelar@...ira.com>
> ---
[snip]
> +static inline void iptunnel_xmit_stats(struct net_device *dev, int err)
>   {
>   	if (err > 0) {
> -		struct pcpu_sw_netstats *tstats = get_cpu_ptr(stats);
> +		struct pcpu_sw_netstats *tstats = get_cpu_ptr(dev->tstats);
>
>   		u64_stats_update_begin(&tstats->syncp);
>   		tstats->tx_bytes += err;
>   		tstats->tx_packets++;
>   		u64_stats_update_end(&tstats->syncp);
>   		put_cpu_ptr(tstats);
> -	} else if (err < 0) {
> +	} else {
> +		struct net_device_stats *err_stats = &dev->stats;
> +
>   		err_stats->tx_errors++;
>   		err_stats->tx_aborted_errors++;
> -	} else {
> -		err_stats->tx_dropped++;
>   	}
>   }
Why do you remove the case 'err == 0'?
At least, it needs an explanation in the commit log.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html