netdev - Re: [PATCH net-next 6/9] net: dsa: tag_sja1105: don't rely on skb_mac

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Message-ID: <ZBx6TkdSJmXmwcqw@corigine.com>
Date:   Thu, 23 Mar 2023 17:11:58 +0100
From:   Simon Horman <simon.horman@...igine.com>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 6/9] net: dsa: tag_sja1105: don't rely on
 skb_mac_header() in TX paths

On Thu, Mar 23, 2023 at 01:38:20AM +0200, Vladimir Oltean wrote:
> skb_mac_header() will no longer be available in the TX path when
> reverting commit 6d1ccff62780 ("net: reset mac header in
> dev_start_xmit()"). As preparation for that, let's use
> skb_vlan_eth_hdr() to get to the VLAN header instead, which assumes it's
> located at skb->data (assumption which holds true here).
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>

Reviewed-by: Simon Horman <simon.horman@...igine.com>