[ovs-discuss] OVS layer3 GRE support

Hi Ben, I got a question on OVS layer3 GRE tunnel support. The OVS kernel piece that supports layer 3 GRE is merged into linux upstream since 4.10 RC6. Do we need any extra user land OVS merge for it to work end-to-end? I am referring to the “options:layer3=true” ovs-vsctl interface changes.

Re: [ovs-discuss] Regarding openvswitch group, type=select, hashing

No, select buckets don't use mod-n to select a bucket. Instead, for each live bucket, OVS hashes flow data with the bucket ID and multiplies by the bucket weight to obtain a "score", and then selects the bucket with the highest score. On Mon, Apr 24, 2017 at 12:27:16AM +0530, Ahmed Khan wrote: >

Re: [ovs-discuss] Question on in_port reference in xlate_normal@ofproto-dpif-xlate.c

On Mon, Apr 24, 2017 at 04:30:51PM +, Hexin Wang wrote: > In ovs 2.6.90, we are seeing NULL reference to in_port if > lookup_input_bundle() sets in_port to NULL. > > /* Learn source MAC. */ > if (ctx->xin->may_learn && !in_port->is_layer3) { >

[ovs-discuss] Question on in_port reference in xlate_normal@ofproto-dpif-xlate.c

Hi, In ovs 2.6.90, we are seeing NULL reference to in_port if lookup_input_bundle() sets in_port to NULL. /* Learn source MAC. */ if (ctx->xin->may_learn && !in_port->is_layer3) { update_learning_table(ctx->xbridge, flow, wc, vlan, in_xbundle); } This happens when a flow

Re: [ovs-discuss] 答复: about

OK, let's figure out the problem. Can you provide a backtrace? Or run OVS until valgrind and provide valgrind's report? Or can you provide reproduction information for us? Thanks, Ben. On Thu, Apr 20, 2017 at 08:21:54AM +, qintao (F) wrote: > hi,Pettit > I have reprodeuced the same

[ovs-discuss] Wrong ovsdb update after "switch s1 stop/start" and role request message.

Hi : ) I'm facing an weird behavior regarding on role change. When I send a role message to change the role of one specific switch, all switches change to this role. I think the problem is when open vSwitch mount the transaction message to send to ovsdb. A simple test is, start a mininet

Re: [ovs-discuss] OVS layer3 GRE support

Thanks. Good to know that this is being merged back to OVS mainline. The old way of Layer3 GRE implementation via “base_layer” seems to have an issue with ct_state_nat feature. Specifically if pop_mpls happens before ct(nat,), pop_mpls recirculation would cause both flow->base_layer and

Re: [ovs-discuss] OVN knob to control floating IP NAT action

If I were to qualify the NAT action based on some route lookup instead of outport, is there any bit/register available for me to carry the nat decision down in the pipeline? Thanks. Hexin From: > on behalf of

[ovs-discuss] 答复: 答复: about

the valgrind's report as follows: 2017-04-25T01:38:16Z|00025|coverage|INFO|bridge_reconfigure 0.0/sec 0.000/sec0./sec total: 1 2017-04-25T01:38:16Z|00026|coverage|INFO|ofproto_flush 0.0/sec 0.000/sec0./sec total: 1

Re: [ovs-discuss] OVS layer3 GRE support

The userspace L3 patch set Zoltan posted has included L3 support for GRE, here it is. https://mail.openvswitch.org/pipermail/ovs-dev/2017-April/330490.html -Original Message- From: ovs-discuss-boun...@openvswitch.org [mailto:ovs-discuss-boun...@openvswitch.org] On Behalf Of Hexin Wang

Re: [ovs-discuss] ovs-dpdk bond mode

Regards _Sugesh From: ovs-discuss-boun...@openvswitch.org [mailto:ovs-discuss-boun...@openvswitch.org] On Behalf Of Vishal Deep Ajmera Sent: Monday, April 24, 2017 8:01 AM To: ovs-discuss@openvswitch.org Subject: [ovs-discuss] ovs-dpdk bond mode Are we using DPDK Bond-PMD library for OVS

Re: [ovs-discuss] prioritizing latency-sensitive traffic

Hi Ben, Darrell, I've done some PoC work on this kind of traffic prioritization. However with OVS-DPDK's run-to-completion model the issue I find the same issue as you outlined - by the time the priority of the packet has been determined most of the effort to process the packet has already

[ovs-discuss] Are there some difference in flow table between normal ovs and dpdk ovs?

Hello I have some question about ovs' flow table implementation after visiting this url https://software.intel.com/en-us/articles/ovs-dpdk-datapath-classifier-part-2 Are there some difference in flow table implementation between original ovs and dpdk ovs? Also, are there any differences in

Re: [ovs-discuss] OVN knob to control floating IP NAT action

Hi Guru, Let me try with the following use cases. 1. No floating IP is used for east-west routing traffic. E.g. VM1 <-> VM2: Private IPs are used. No NAT applied. 2. Floating IP is used for south-north default route to internet traffic. E.g. VM originated internet traffic: SNAT is applied to

Re: [ovs-discuss] OVN knob to control floating IP NAT action

Hi Guru, Thanks. You probably referred to the unit test "ovn -- DNAT and SNAT on distributed router - E/W" in tests/system-ovn.at? Is there anyway for me to configure route based dnat_and_snat from ovn-nbctl? Specifically can I qualify the following command with some prefix routes?

Re: [ovs-discuss] OVS layer3 GRE support

Right. I was specifically referring to the OVS layer3 tunnel support originated by Lorand Jakab and Simon Horman. The changes made in kernel data path is merged back to Linux mainline by Jiri Benc. But the user space OVS changes are missing in ovs main tree. Thanks. Hexin On 4/24/17, 11:37

Re: [ovs-discuss] OVN knob to control floating IP NAT action

On 24 April 2017 at 11:31, Hexin Wang wrote: > Hi, > > Is there any knob in OVN to control when floating IP will be applied in > the distributed NAT? Specifically: > >1. If the destination IP is part of some private layer3 domain, the >usual private IP is used to

Re: [ovs-discuss] OVN knob to control floating IP NAT action

On 24 April 2017 at 11:39, Hexin Wang wrote: > Hi Guru, > > Let me try with the following use cases. > 1. No floating IP is used for east-west routing traffic. > E.g. VM1 <-> VM2: Private IPs are used. No NAT applied. > > 2. Floating IP is used for south-north default

[ovs-discuss] OVN knob to control floating IP NAT action

Hi, Is there any knob in OVN to control when floating IP will be applied in the distributed NAT? Specifically: 1. If the destination IP is part of some private layer3 domain, the usual private IP is used to to reach the destination in the private layer3 domain. 2. If the destination IP

Re: [ovs-discuss] OVS layer3 GRE support

On Mon, Apr 24, 2017 at 06:25:07PM +, Hexin Wang wrote: > I got a question on OVS layer3 GRE tunnel support. The OVS kernel > piece that supports layer 3 GRE is merged into linux upstream since > 4.10 RC6. Do we need any extra user land OVS merge for it to work > end-to-end? I am referring to

Re: [ovs-discuss] OVS layer3 GRE support

Oh, I see. Lori or Simon, are you planning to send patches for master? On Mon, Apr 24, 2017 at 06:42:07PM +, Hexin Wang wrote: > Right. I was specifically referring to the OVS layer3 tunnel support > originated by Lorand Jakab and Simon Horman. > The changes made in kernel data path is

Re: [ovs-discuss] OVS layer3 GRE support

Can you test or examine the recent patches to see if they avoid the problem you mention? It probably won't be obvious as a problem during review. On Tue, Apr 25, 2017 at 01:46:41AM +, Hexin Wang wrote: > Thanks. Good to know that this is being merged back to OVS mainline. > > The old way of

Re: [ovs-discuss] prioritizing latency-sensitive traffic

If that's useful, then it makes sense to me and I'd have no objection. On Mon, Apr 24, 2017 at 10:06:17AM +, O Mahony, Billy wrote: > Hi Ben, Darrell, > > I've done some PoC work on this kind of traffic prioritization. However with > OVS-DPDK's run-to-completion model the issue I find the