From: David Ahern <dsahern@gmail.com>
To: Florian Westphal <fw@strlen.de>, Stefano Brivio <sbrivio@redhat.com>
Cc: netdev@vger.kernel.org, aconole@redhat.com
Subject: Re: [PATCH net-next 1/3] udp_tunnel: allow to turn off path mtu discovery on encap sockets
Date: Mon, 13 Jul 2020 07:25:13 -0600 [thread overview]
Message-ID: <b61d3e1f-02b3-ac80-4b9a-851871f7cdaa@gmail.com> (raw)
In-Reply-To: <20200713080413.GL32005@breakpoint.cc>
On 7/13/20 2:04 AM, Florian Westphal wrote:
>> As PMTU discovery happens, we have a route exception on the lower
>> layer for the given path, and we know that VXLAN will use that path,
>> so we also know there's no point in having a higher MTU on the VXLAN
>> device, it's really the maximum packet size we can use.
> No, in the setup that prompted this series the route exception is wrong.
Why is the exception wrong and why can't the exception code be fixed to
include tunnel headers?
next prev parent reply other threads:[~2020-07-13 13:25 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-12 20:07 [PATCH net-next 0/3] vxlan, geneve: allow to turn off PMTU updates on encap socket Florian Westphal
2020-07-12 20:07 ` [PATCH net-next 1/3] udp_tunnel: allow to turn off path mtu discovery on encap sockets Florian Westphal
2020-07-12 22:38 ` Stefano Brivio
2020-07-13 8:04 ` Florian Westphal
2020-07-13 10:04 ` Stefano Brivio
2020-07-13 10:51 ` Numan Siddique
2020-07-14 20:38 ` Aaron Conole
2020-07-15 11:58 ` Stefano Brivio
2020-07-13 13:25 ` David Ahern [this message]
2020-07-13 14:02 ` Florian Westphal
2020-07-13 14:41 ` David Ahern
2020-07-13 14:59 ` Florian Westphal
2020-07-13 15:57 ` Stefano Brivio
2020-07-13 16:22 ` Florian Westphal
2020-07-14 12:33 ` Stefano Brivio
2020-07-14 12:33 ` Stefano Brivio
2020-07-15 12:42 ` Florian Westphal
2020-07-15 13:35 ` Stefano Brivio
2020-07-15 14:33 ` Florian Westphal
2020-07-17 12:27 ` Stefano Brivio
2020-07-17 15:04 ` David Ahern
2020-07-17 18:43 ` Florian Westphal
2020-07-18 6:56 ` Stefano Brivio
2020-07-18 17:02 ` David Ahern
2020-07-18 17:58 ` Stefano Brivio
2020-07-18 18:04 ` Stefano Brivio
2020-07-19 18:43 ` David Ahern
2020-07-19 21:49 ` Stefano Brivio
2020-07-20 3:19 ` David Ahern
2020-07-26 17:01 ` Stefano Brivio
2020-07-12 20:07 ` [PATCH net-next 2/3] vxlan: allow to disable path mtu learning on encap socket Florian Westphal
2020-07-16 19:33 ` Jakub Kicinski
2020-07-17 10:13 ` Florian Westphal
2020-07-12 20:07 ` [PATCH net-next 3/3] geneve: allow disabling of pmtu detection on encap sk Florian Westphal
2020-07-12 22:39 ` [PATCH net-next 0/3] vxlan, geneve: allow to turn off PMTU updates on encap socket Stefano Brivio
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