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Date: Tue, 3 Oct 2023 11:20:29 +0200
From: Simon Horman <horms@...nel.org>
To: Haiyang Zhang <haiyangz@...rosoft.com>
Cc: linux-hyperv@...r.kernel.org, netdev@...r.kernel.org,
decui@...rosoft.com, stephen@...workplumber.org, kys@...rosoft.com,
paulros@...rosoft.com, olaf@...fle.de, vkuznets@...hat.com,
davem@...emloft.net, wei.liu@...nel.org, edumazet@...gle.com,
kuba@...nel.org, pabeni@...hat.com, leon@...nel.org,
longli@...rosoft.com, ssengar@...ux.microsoft.com,
linux-rdma@...r.kernel.org, daniel@...earbox.net,
john.fastabend@...il.com, bpf@...r.kernel.org, ast@...nel.org,
sharmaajay@...rosoft.com, hawk@...nel.org, tglx@...utronix.de,
shradhagupta@...ux.microsoft.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net,v2, 3/3] net: mana: Fix oversized sge0 for GSO packets
On Fri, Sep 29, 2023 at 01:42:27PM -0700, Haiyang Zhang wrote:
> Handle the case when GSO SKB linear length is too large.
>
> MANA NIC requires GSO packets to put only the header part to SGE0,
> otherwise the TX queue may stop at the HW level.
>
> So, use 2 SGEs for the skb linear part which contains more than the
> packet header.
>
> Fixes: ca9c54d2d6a5 ("net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)")
> Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
> ---
> v2: coding style updates suggested by Simon Horman
Reviewed-by: Simon Horman <horms@...nel.org>
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