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From: Stephen Hemminger <stephen@networkplumber.org>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Guillaume Nault <gnault@redhat.com>,
	Kees Cook <keescook@chromium.org>,
	Eric Dumazet <edumazet@google.com>,
	"Ziyang Xuan (William)" <william.xuanziyang@huawei.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	David Miller <davem@davemloft.net>,
	netdev <netdev@vger.kernel.org>,
	Vasily Averin <vvs@virtuozzo.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net] net: vlan: allow vlan device MTU change follow real device from smaller to bigger
Date: Wed, 23 Feb 2022 09:05:02 -0800	[thread overview]
Message-ID: <20220223090502.29e5f87a@hermes.local> (raw)
In-Reply-To: <20220223080342.5cdd597c@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>

On Wed, 23 Feb 2022 08:03:42 -0800
Jakub Kicinski <kuba@kernel.org> wrote:

> On Wed, 23 Feb 2022 12:26:18 +0100 Guillaume Nault wrote:
> > Do you mean something like:
> > 
> >   ip link set dev eth0 vlan-mtu-policy <policy-name>
> > 
> > that'd affect all existing (and future) vlans of eth0?  
> 
> I meant
> 
>   ip link set dev vlan0 mtu-policy blah
> 
> but also
> 
>   ip link set dev bond0 mtu-policy blah
> 
> and
> 
>   ip link set dev macsec0 mtu-policy blah2
>   ip link set dev vxlan0 mtu-policy blah2

Sorry, putting this in ip link is not the right place.
It belongs in sysctl (if at all); not convinced this is worth doing.

      parent reply	other threads:[~2022-02-23 17:05 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-21 12:46 [PATCH net] net: vlan: allow vlan device MTU change follow real device from smaller to bigger Ziyang Xuan
2022-02-21 15:43 ` Eric Dumazet
2022-02-22  0:58   ` Herbert Xu
2022-02-22  2:06     ` Ziyang Xuan (William)
2022-02-22  2:27       ` Eric Dumazet
2022-02-22  7:31         ` Ziyang Xuan (William)
2022-02-23  1:55           ` Ziyang Xuan (William)
2022-02-22 10:37         ` Guillaume Nault
2022-02-22 23:28           ` Jakub Kicinski
2022-02-23 11:26             ` Guillaume Nault
2022-02-23 15:17               ` Stephen Hemminger
2022-02-23 16:34                 ` Guillaume Nault
2022-02-23 16:03               ` Jakub Kicinski
2022-02-23 16:58                 ` Guillaume Nault
2022-02-23 17:37                   ` Jakub Kicinski
2022-02-23 19:46                     ` Guillaume Nault
2022-02-23 17:05                 ` Stephen Hemminger [this message]

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