netdev - Re: [PATCH v6 1/1] rps: Inspect PPTP encapsulated by GRE to get flow hash

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Message-ID: <e2c2ac38-4bd2-7f01-35dd-9b4c0310a2c2@redfish-solutions.com>
Date:	Tue, 9 Aug 2016 18:05:13 -0600
From:	Philp Prindeville <philipp@...fish-solutions.com>
To:	fgao@...vckh6395k16k5.yundunddos.com, davem@...emloft.net,
	stephen@...workplumber.org, pshelar@...ira.com,
	tom@...bertland.com, aduyck@...antis.com, netdev@...r.kernel.org
Cc:	gfree.wind@...il.com
Subject: Re: [PATCH v6 1/1] rps: Inspect PPTP encapsulated by GRE to get flow
 hash

On 08/08/2016 10:38 PM, fgao@...vckh6395k16k5.yundunddos.com wrote:
> From: Gao Feng <fgao@...ai8.com>
>
> The PPTP is encapsulated by GRE header with that GRE_VERSION bits
> must contain one. But current GRE RPS needs the GRE_VERSION must be
> zero. So RPS does not work for PPTP traffic.
>
> In my test environment, there are four MIPS cores, and all traffic
> are passed through by PPTP. As a result, only one core is 100% busy
> while other three cores are very idle. After this patch, the usage
> of four cores are balanced well.
>
> Signed-off-by: Gao Feng <fgao@...ai8.com>

Reviewed-by: Philip Prindeville <philipp@...fish-solutions.com>