linux-kernel - Re: [PATCH net-next 1/2] IPv6/GRO: generic helper to remove temporary HBH/jumbo header in driver

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Message-ID: <20221122123015.65ec4f5c@kernel.org>
Date:   Tue, 22 Nov 2022 12:30:15 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Coco Li <lixiaoyan@...gle.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        David Ahern <dsahern@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Michael Chan <michael.chan@...adcom.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 1/2] IPv6/GRO: generic helper to remove
 temporary HBH/jumbo header in driver

On Tue, 22 Nov 2022 11:32:38 -0800 Coco Li wrote:
> IPv6/TCP and GRO stacks can build big TCP packets with an added
> temporary Hop By Hop header.
> 
> Is GSO is not involved, then the temporary header needs to be removed in
> the driver. This patch provides a generic helper for drivers that need
> to modify their headers in place.

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