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From: David Ahern <dsahern@gmail.com>
To: Yunsheng Lin <linyunsheng@huawei.com>,
	Stephen Hemminger <stephen@networkplumber.org>
Cc: davem@davemloft.net, jiri@mellanox.com, allison@lohutok.net,
	mmanning@vyatta.att-mail.com, petrm@mellanox.com,
	dcaratti@redhat.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH RFC] net: vlan: reverse 4 bytes of vlan header when setting initial MTU
Date: Mon, 21 Oct 2019 20:47:17 -0600	[thread overview]
Message-ID: <3c79d203-33e9-11dc-939d-3cecd707eb40@gmail.com> (raw)
In-Reply-To: <b9567cd4-8fea-497a-5d32-b797425e7854@huawei.com>

On 10/21/19 7:31 PM, Yunsheng Lin wrote:
> Or we just leave it as it is, and expect user to manually configure the MTU
> of vlan netdev to the MTU of thelower device minus vlan header when the
> performace in the above case is a concern to user?
> 

for now, I would think so. vlan on a vxlan device ... you are going
after q-in-q'ish with vxlan? that can not be a common deployment.

      reply	other threads:[~2019-10-22  2:47 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-21 12:26 [PATCH RFC] net: vlan: reverse 4 bytes of vlan header when setting initial MTU Yunsheng Lin
2019-10-21 14:46 ` David Laight
2019-10-22  1:28   ` Yunsheng Lin
2019-10-21 23:27 ` Stephen Hemminger
2019-10-22  1:31   ` Yunsheng Lin
2019-10-22  2:47     ` David Ahern [this message]

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