linux-kernel - Re: [PATCH] net: dsa: Implement flow_dissect callback for tag

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Message-ID: <20190215140521.GK5699@lunn.ch>
Date:   Fri, 15 Feb 2019 15:05:21 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Rundong Ge <rdong.ge@...il.com>
Cc:     vivien.didelot@...il.com, f.fainelli@...il.com,
        davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: dsa: Implement flow_dissect callback for tag_dsa.

On Fri, Feb 15, 2019 at 08:22:53AM +0000, Rundong Ge wrote:
> RPS not work for DSA devices since the 'skb_get_hash'
> will always get the invalid hash for dsa tagged packets.
> 
> "[PATCH] tag_mtk: add flow_dissect callback to the ops struct"
> introduced the flow_dissect callback to get the right hash for
> MTK tagged packet. And tag_dsa also needs to implement
> the callback.

Hi Rundong

This looks good. Do you have any sort of numbers to show the
performance improvements?

Could you make a similar change to tag_edsa.c? It uses an 8 byte
header.

Thanks
	Andrew