netdev - Re: [PATCH hyperv-fixes] hv_netvsc: Fix IP header checksum for coalesced packets

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Message-Id: <20190226.144551.1264975286059315553.davem@davemloft.net>
Date:   Tue, 26 Feb 2019 14:45:51 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     haiyangz@...rosoft.com, haiyangz@...uxonhyperv.com
Cc:     sashal@...nel.org, linux-hyperv@...r.kernel.org, kys@...rosoft.com,
        sthemmin@...rosoft.com, olaf@...fle.de, vkuznets@...hat.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH hyperv-fixes] hv_netvsc: Fix IP header checksum for
 coalesced packets

From: Haiyang Zhang <haiyangz@...uxonhyperv.com>
Date: Fri, 22 Feb 2019 18:25:03 +0000

> From: Haiyang Zhang <haiyangz@...rosoft.com>
> 
> Incoming packets may have IP header checksum verified by the host.
> They may not have IP header checksum computed after coalescing.
> This patch re-compute the checksum when necessary, otherwise the
> packets may be dropped, because Linux network stack always checks it.
> 
> Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>

Applied and queued up for -stable.