netdev - Re: [PATCH net-next 3/9] net: dpaa: avoid one skb_reset_mac_header() in dpaa_enable_tx

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]

Message-ID: <ZBx5qH2wb82EcO1W@corigine.com>
Date:   Thu, 23 Mar 2023 17:09:12 +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 3/9] net: dpaa: avoid one skb_reset_mac_header()
 in dpaa_enable_tx_csum()

On Thu, Mar 23, 2023 at 01:38:17AM +0200, Vladimir Oltean wrote:
> It appears that dpaa_enable_tx_csum() only calls skb_reset_mac_header()
> to get to the VLAN header using skb_mac_header().
> 
> We can use skb_vlan_eth_hdr() to get to the VLAN header based on
> skb->data directly. This avoids spending a few cycles to set
> skb->mac_header.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>

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