From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Wenzhuo Lu <wenzhuo.lu@intel.com>
Cc: dev@dpdk.org
Subject: Re: [PATCH] ixgbe: fix wrong packet type for VxLAN & NVGRE
Date: Fri, 08 Apr 2016 22:33:50 +0200 [thread overview]
Message-ID: <132741628.p6QkLo90Ee@xps13> (raw)
In-Reply-To: <1460103024-20369-1-git-send-email-wenzhuo.lu@intel.com>
2016-04-08 16:10, Wenzhuo Lu:
> VxLAN & NVGRE are supported by x550. As we know HW can parse
> the packet and tell SW the type info. For VxLAN & NVGRE packets
> there's some change. HW will not tell SW the info of the outer
> header but the inner header instead. But we always take the
> info as it's for the outer header. So the packet type info is
> not right when x550 receives VxLAN & NVGRE packets.
>
> As x550 only supports IPv4 VxLAN & NVGRE packets, we can tell
> the outer header of VxLAN is IPv4 + UDP, and the outer header
> of NVGRE is IPv4 only. What we don't know is if there's
> optional field in the outer IPv4 header.
>
> This patch implement the support of packet type for VxLAN &
> NVGRE. And it fixes the wrong packet type issue either.
>
> BTW:
> It doesn't fix any existing commit as although it resolve an
> issue it's more like a new feature but not a fix.
>
> Reported-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
> Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Applied, thanks
prev parent reply other threads:[~2016-04-08 20:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-08 8:10 [PATCH] ixgbe: fix wrong packet type for VxLAN & NVGRE Wenzhuo Lu
2016-04-08 20:33 ` Thomas Monjalon [this message]
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