From: Jiri Benc <jbenc@redhat.com>
To: Jesse Gross <jesse@kernel.org>
Cc: Linux Kernel Network Developers <netdev@vger.kernel.org>
Subject: Re: [PATCH net-next 5/5] vxlan: implement GPE in L3 mode
Date: Sat, 27 Feb 2016 20:44:28 +0100 [thread overview]
Message-ID: <20160227204428.5f8f25a3@griffin> (raw)
In-Reply-To: <20160227202159.6507b8b9@griffin>
On Sat, 27 Feb 2016 20:21:59 +0100, Jiri Benc wrote:
> You mean returning ETH_P_TEB in skb->protocol? That's not much useful,
> unfortunately. You won't get such packet processed by the kernel IP
> stack, rendering the VXLAN-GPE device unusable outside of ovs. It would
> effectively became a packet sink when used standalone, as it cannot be
> added to bridge and received packets are not processed by anything -
> there's no protocol handler for ETH_P_TEB.
Actually, I can do that in the L3 mode (or whatever we'll call it). It
won't hurt anything and may be useful for openvswitch. Ovs will have to
special case VXLAN-GPE vport (or perhaps any ARPHRD_NONE port) and set
skb->protocol to ETH_P_TEB on xmit and dissect correctly the ETH_P_TEB
packet on rcv.
The L2 mode (or whatever we'll call it) will need to stay, though, for
non-ovs use cases.
Jiri
next prev parent reply other threads:[~2016-02-27 19:44 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-26 7:48 [PATCH net-next 0/5] vxlan: implement Generic Protocol Extension (GPE) Jiri Benc
2016-02-26 7:48 ` [PATCH net-next 1/5] vxlan: implement GPE in L2 mode Jiri Benc
2016-02-26 23:51 ` Tom Herbert
2016-02-27 19:31 ` Jiri Benc
2016-02-27 20:54 ` Tom Herbert
2016-02-27 21:02 ` Tom Herbert
2016-02-29 10:23 ` Jiri Benc
2016-02-29 17:13 ` Tom Herbert
2016-03-01 18:16 ` Jiri Benc
2016-02-26 7:48 ` [PATCH net-next 2/5] vxlan: move L2 mode initialization to a separate function Jiri Benc
2016-02-26 7:48 ` [PATCH net-next 3/5] vxlan: move fdb code to common location in vxlan_xmit Jiri Benc
2016-02-26 7:48 ` [PATCH net-next 4/5] vxlan: fix too large pskb_may_pull with remote checksum Jiri Benc
2016-02-26 7:48 ` [PATCH net-next 5/5] vxlan: implement GPE in L3 mode Jiri Benc
2016-02-26 22:22 ` Jesse Gross
2016-02-26 23:42 ` Tom Herbert
2016-02-27 19:26 ` Jiri Benc
2016-02-27 19:21 ` Jiri Benc
2016-02-27 19:44 ` Jiri Benc [this message]
2016-03-08 22:18 ` Jesse Gross
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