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Message-ID: <YRHQRyzVp22triyD@lunn.ch>
Date:   Tue, 10 Aug 2021 03:03:03 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        DENG Qingfang <dqfext@...il.com>,
        John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>
Subject: Re: [RFC PATCH net-next 2/4] net: dsa: create a helper which
 allocates space for EtherType DSA headers

On Mon, Aug 09, 2021 at 02:57:20PM +0300, Vladimir Oltean wrote:
> Hide away the memmove used by DSA EtherType header taggers to shift the
> MAC SA and DA to the left to make room for the header, after they've
> called skb_push(). The call to skb_push() is still left explicit in
> drivers, to be symmetric with dsa_strip_etype_header, and because not
> all callers can be refactored to do it (for example, brcm_tag_xmit_ll
> has common code for a pre-Ethernet DSA tag and an EtherType DSA tag).
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew

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