linux-kernel - Re: [PATCH net-next v4 0/5] net: ipqess: introduce Qualcomm IPQESS driver

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Message-ID: <20220917002031.f7jddzi7ppciusie@skbuf>
Date:   Sat, 17 Sep 2022 00:20:31 +0000
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     Maxime Chevallier <maxime.chevallier@...tlin.com>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "thomas.petazzoni@...tlin.com" <thomas.petazzoni@...tlin.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Luka Perkov <luka.perkov@...tura.hr>,
        Robert Marko <robert.marko@...tura.hr>
Subject: Re: [PATCH net-next v4 0/5] net: ipqess: introduce Qualcomm IPQESS
 driver

On Fri, Sep 09, 2022 at 05:24:49PM +0200, Maxime Chevallier wrote:
> The DSA out-of-band tagging is still using the skb->headroom part, but
> there doesn't seem to be any better way for now without adding fields to
> struct sk_buff.

Are we on the same page about what is meant by "skb extensions"? See
what is provided by CONFIG_SKB_EXTENSIONS, I did not mean it as in
"extend struct sk_buff with new fields".