<div dir="ltr">
<p class="gmail-MsoPlainText">Hi,</p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText">I do have the memAccess property as follows for both VM</p>
<p class="gmail-MsoPlainText"> <memoryBacking><br> <hugepages><br> <page size='1048576' unit='KiB' nodeset='0'/><br> </hugepages><br> </memoryBacking><br><br></p> <cpu mode='host-model'><br> <model fallback='allow'/><br> <topology sockets='2' cores='1' threads='1'/><br> <numa><br> <cell id='0' cpus='0-1' memory='2097152' unit='KiB' memAccess='shared'/><br> </numa><br> </cpu><br>
<p class="gmail-MsoPlainText">Best Regards</p>
<p class="gmail-MsoPlainText">Xu Rongjie (Max)</p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText">-----Original Message-----</p>
<p class="gmail-MsoPlainText">From: <a href="mailto:ovs-discuss-bounces@openvswitch.org">ovs-discuss-bounces@openvswitch.org</a>
[<a href="mailto:ovs-discuss-bounces@openvswitch.org">mailto:ovs-discuss-bounces@openvswitch.org</a>]
On Behalf Of Flavio Leitner</p>
<p class="gmail-MsoPlainText">Sent: Thursday, October 26, 2017 09:50</p>
<p class="gmail-MsoPlainText">To: Xu, Rongjie (NSB - CN/Hangzhou) <<a href="mailto:rongjie.xu@nokia-sbell.com">rongjie.xu@nokia-sbell.com</a>></p>
<p class="gmail-MsoPlainText">Cc: <a href="mailto:ovs-discuss@openvswitch.org">ovs-discuss@openvswitch.org</a></p>
<p class="gmail-MsoPlainText">Subject: Re: [ovs-discuss] [ovs-dpdk] how to link between
guest vNIC and dpdkvhost socket</p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText">On Wed, 25 Oct 2017 07:36:13 +0000</p>
<p class="gmail-MsoPlainText">"Xu, Rongjie (NSB - CN/Hangzhou)" <<a href="mailto:rongjie.xu@nokia-sbell.com">rongjie.xu@nokia-sbell.com</a>>
wrote:</p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText">> Hi,</p>
<p class="gmail-MsoPlainText">> </p>
<p class="gmail-MsoPlainText">> I have one OpenStack environment with OVS-DPDK
(manually installed). I success to launch two VMs on two separate compute node
with vhostuser interface type. But I cannot ping from one to another. I found
there are even no packets in the local 'br-int' bridge (where dpdkvhostuser
interface is attached). My guess is the link between guest vNIC and dpdkvhost
socket at host side is somehow broken, but I do not know how to proceed. Anyone
any suggestions?</p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText">Most probably you forgot to share the memory between host
and guest.</p>
<p class="gmail-MsoPlainText">in the VM xml:</p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText">E.g.:</p>
<p class="gmail-MsoPlainText"><span>
</span><memoryBacking></p>
<p class="gmail-MsoPlainText"><span>
</span><hugepages></p>
<p class="gmail-MsoPlainText"><span> </span><page
size='2' unit='M' nodeset='0'/></p>
<p class="gmail-MsoPlainText"><span>
</span></hugepages></p>
<p class="gmail-MsoPlainText"><span>
</span></memoryBacking></p>
<p class="gmail-MsoPlainText">...</p>
<p class="gmail-MsoPlainText"><span> </span><numa></p>
<p class="gmail-MsoPlainText"><span> </span><cell
id='0' cpus='0-1' memory='4194304' unit='KiB' memAccess='shared'/></p>
<p class="gmail-MsoPlainText"><span> </span></numa></p>
<p class="gmail-MsoPlainText">...</p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText">fbl</p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText">> Compute0:</p>
<p class="gmail-MsoPlainText">><span> </span>Bridge
br-int</p>
<p class="gmail-MsoPlainText">><span>
</span>Controller "tcp:<a href="http://127.0.0.1:6633">127.0.0.1:6633</a>"</p>
<p class="gmail-MsoPlainText">><span>
</span>is_connected: true</p>
<p class="gmail-MsoPlainText">><span>
</span>fail_mode: secure</p>
<p class="gmail-MsoPlainText">><span> </span><span> </span>Port "vhu2aae3928-3c"</p>
<p class="gmail-MsoPlainText">><span>
</span>tag: 1</p>
<p class="gmail-MsoPlainText">><span>
</span>Interface "vhu2aae3928-3c"</p>
<p class="gmail-MsoPlainText">><span>
</span>type: dpdkvhostuser</p>
<p class="gmail-MsoPlainText">> root@compute0:~# file
/var/run/openvswitch/vhu2aae3928-3c</p>
<p class="gmail-MsoPlainText">> /var/run/openvswitch/vhu2aae3928-3c: socket</p>
<p class="gmail-MsoPlainText">> </p>
<p class="gmail-MsoPlainText">> Compute1:</p>
<p class="gmail-MsoPlainText">><span> </span>Bridge
br-int</p>
<p class="gmail-MsoPlainText">><span>
</span>Controller "tcp:<a href="http://127.0.0.1:6633">127.0.0.1:6633</a>"</p>
<p class="gmail-MsoPlainText">><span>
</span>is_connected: true</p>
<p class="gmail-MsoPlainText">><span>
</span>fail_mode: secure</p>
<p class="gmail-MsoPlainText">><span> </span>Port
"vhuca25b420-6d"</p>
<p class="gmail-MsoPlainText">><span>
</span>tag: 1</p>
<p class="gmail-MsoPlainText">><span>
</span>Interface "vhuca25b420-6d"</p>
<p class="gmail-MsoPlainText">><span>
</span>type: dpdkvhostuser</p>
<p class="gmail-MsoPlainText">> root@compute1:~# file
/var/run/openvswitch/vhuca25b420-6d</p>
<p class="gmail-MsoPlainText">> /var/run/openvswitch/vhuca25b420-6d: socket</p>
<p class="gmail-MsoPlainText">> </p>
<p class="gmail-MsoPlainText">> </p>
<p class="gmail-MsoPlainText">> When I ping, I even does not find ARP packets in the
br-int flow tables.</p>
<p class="gmail-MsoPlainText">> root@compute0:~# ovs-ofctl dump-flows br-int | grep
"in_port=3"</p>
<p class="gmail-MsoPlainText">> cookie=0xb177d87a58ae18fe, duration=1927.889s,
table=0, n_packets=0, n_bytes=0, idle_age=1927,
priority=10,icmp6,in_port=3,icmp_type=136 actions=resubmit(,24)</p>
<p class="gmail-MsoPlainText">> cookie=0xb177d87a58ae18fe, duration=1927.886s,
table=0, n_packets=0, n_bytes=0, idle_age=1927, priority=10,arp,in_port=3
actions=resubmit(,24)</p>
<p class="gmail-MsoPlainText">> cookie=0xb177d87a58ae18fe, duration=1927.893s,
table=0, n_packets=0, n_bytes=0, idle_age=1927, priority=9,in_port=3
actions=resubmit(,25)</p>
<p class="gmail-MsoPlainText">> cookie=0xb177d87a58ae18fe, duration=1927.891s,
table=24, n_packets=0, n_bytes=0, idle_age=1927,
priority=2,icmp6,in_port=3,icmp_type=136,nd_target=fe80::f816:3eff:fed3:2116
actions=NORMAL</p>
<p class="gmail-MsoPlainText">> cookie=0xb177d87a58ae18fe, duration=1927.888s,
table=24, n_packets=0, n_bytes=0, idle_age=1927,
priority=2,arp,in_port=3,arp_spa=192.168.100.13 actions=resubmit(,25)</p>
<p class="gmail-MsoPlainText">> cookie=0xb177d87a58ae18fe, duration=1927.896s,
table=25, n_packets=0, n_bytes=0, idle_age=1927,
priority=2,in_port=3,dl_src=fa:16:3e:d3:21:16 actions=NORMAL</p>
<p class="gmail-MsoPlainText">> </p>
<p class="gmail-MsoPlainText">> root@compute0:~# ovs-ofctl show br-int</p>
<p class="gmail-MsoPlainText">> OFPT_FEATURES_REPLY (xid=0x2): dpid:0000caf6709a034a</p>
<p class="gmail-MsoPlainText">> n_tables:254, n_buffers:256</p>
<p class="gmail-MsoPlainText">> capabilities: FLOW_STATS TABLE_STATS PORT_STATS
QUEUE_STATS ARP_MATCH_IP</p>
<p class="gmail-MsoPlainText">> actions: output enqueue set_vlan_vid set_vlan_pcp
strip_vlan mod_dl_src mod_dl_dst mod_nw_src mod_nw_dst mod_nw_tos mod_tp_src
mod_tp_dst</p>
<p class="gmail-MsoPlainText">> 1(int-br0): addr:7e:de:e2:7b:2a:83</p>
<p class="gmail-MsoPlainText">><span>
</span>config:<span> </span>0</p>
<p class="gmail-MsoPlainText">><span>
</span>state:<span> </span>0</p>
<p class="gmail-MsoPlainText">><span> </span>speed: 0
Mbps now, 0 Mbps max</p>
<p class="gmail-MsoPlainText">> 2(patch-tun): addr:5a:2a:d3:f0:14:72</p>
<p class="gmail-MsoPlainText">><span>
</span>config:<span> </span>0</p>
<p class="gmail-MsoPlainText">><span>
</span>state:<span> </span>0</p>
<p class="gmail-MsoPlainText">><span> </span>speed: 0
Mbps now, 0 Mbps max</p>
<p class="gmail-MsoPlainText">> 3(vhu2aae3928-3c): addr:00:00:00:00:00:00</p>
<p class="gmail-MsoPlainText">><span>
</span>config:<span> </span>0</p>
<p class="gmail-MsoPlainText">><span>
</span>state:<span> </span>0</p>
<p class="gmail-MsoPlainText">><span> </span>speed: 0
Mbps now, 0 Mbps max</p>
<p class="gmail-MsoPlainText">> </p>
<p class="gmail-MsoPlainText">> Best Regards</p>
<p class="gmail-MsoPlainText">> Xu Rongjie (Max)</p>
<p class="gmail-MsoPlainText">> </p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText">-- </p>
<p class="gmail-MsoPlainText">Flavio</p>
<p class="gmail-MsoPlainText"> </p>
<p class="gmail-MsoPlainText">_______________________________________________</p>
<p class="gmail-MsoPlainText">discuss mailing list</p>
<p class="gmail-MsoPlainText"><a href="mailto:discuss@openvswitch.org">discuss@openvswitch.org</a></p>
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