[ovs-discuss] OVS-DPDK - packets received at dpdk interface but not forwarded to VXLAN port
Chandran, Sugesh
sugesh.chandran at intel.com
Thu Jun 8 08:10:58 UTC 2017
Regards
_Sugesh
> -----Original Message-----
> From: Avi Cohen (A) [mailto:avi.cohen at huawei.com]
> Sent: Wednesday, June 7, 2017 3:51 PM
> To: Chandran, Sugesh <sugesh.chandran at intel.com>; ovs-
> discuss at openvswitch.org
> Subject: RE: [ovs-discuss] OVS-DPDK - packets received at dpdk interface but
> not forwarded to VXLAN port
>
> Sugesh,
>
> As a reference - here is flow-dump of a 'good' ovs-dpdk setup (on my 2
> bare-metals connected back to back) There is a flow with action tnl-pop -
> which is missing in my AWS setup
[Sugesh] I haven't tested on AWS,. Not sure what is happening there.
You are not seeing the tnl_pop action as the receiving packets are QinQ, not VxLAN.
>
> low-dump from non-dpdk interfaces:
> recirc_id(0),in_port(4),eth(src=ec:f4:bb:f0:3c:9a,dst=24:6e:96:0d:17:22),eth_
> type(0x0800),ipv4(frag=no), packets:0, bytes:0, used:never, actions:5
>
> recirc_id(0),in_port(1),eth(src=e6:bd:3b:42:eb:4a,dst=33:33:00:00:00:02),eth
> _type(0x86dd),ipv6(proto=58,tclass=0/0x3,frag=no),icmpv6(type=133,code=
> 0), packets:0, bytes:0, used:never,
> actions:2,tnl_push(tnl_port(3),header(size=50,type=4,eth(dst=24:6e:96:0d:1
> 7:22,src=ec:f4:bb:f0:3c:9a,dl_type=0x0800),ipv4(src=172.168.1.2,dst=172.168.
> 1.1,proto=17,tos=0,ttl=64,frag=0x4000),udp(src=0,dst=4789,csum=0x0),vxlan
> (flags=0x8000000,vni=0x0)),out_port(4))
>
> recirc_id(0),in_port(4),eth(src=ec:f4:bb:f0:3c:9a,dst=33:33:00:00:00:02),eth_t
> ype(0x86dd),ipv6(proto=58,frag=no),icmpv6(type=133,code=0), packets:0,
> bytes:0, used:never, actions:5 flow-dump from pmd on cpu core: 16
>
> recirc_id(0),in_port(4),eth(src=ec:f4:bb:f0:3c:9a,dst=24:6e:96:0d:17:22),eth_
> type(0x0800),ipv4(frag=no), packets:21037221, bytes:189314034577,
> used:0.000s, actions:5
>
> recirc_id(0),in_port(5),eth(src=24:6e:96:0d:17:22,dst=ec:f4:bb:f0:3c:9a),eth_
> type(0x0800),ipv4(dst=172.168.1.2,proto=17,frag=no),udp(dst=4789),
> packets:7501131, bytes:870402168, used:0.001s, actions:tnl_pop(3)
>
> recirc_id(0),in_port(5),eth(src=24:6e:96:0d:17:22,dst=33:33:00:00:00:02),eth_
> type(0x86dd),ipv6(proto=58,frag=no),icmpv6(type=133,code=0), packets:0,
> bytes:0, used:never, actions:4
>
> recirc_id(0),in_port(2),eth(src=c0:f0:00:00:00:0c,dst=c0:00:00:00:00:0c),eth_t
> ype(0x0800),ipv4(tos=0/0x3,frag=no), packets:21037213,
> bytes:188262173069, used:0.001s, flags:SP.,
> actions:tnl_push(tnl_port(3),header(size=50,type=4,eth(dst=24:6e:96:0d:17:
> 22,src=ec:f4:bb:f0:3c:9a,dl_type=0x0800),ipv4(src=172.168.1.2,dst=172.168.1.
> 1,proto=17,tos=0,ttl=64,frag=0x4000),udp(src=0,dst=4789,csum=0x0),vxlan(fl
> ags=0x8000000,vni=0x0)),out_port(4))
> tunnel(tun_id=0x0,src=172.168.1.1,dst=172.168.1.2,flags(-df-
> csum+key)),skb_mark(0),recirc_id(0),in_port(3),eth(src=c0:00:00:00:00:0c,ds
> t=c0:f0:00:00:00:0c),eth_type(0x0800),ipv4(frag=no), packets:7501121,
> bytes:495344950, used:0.001s, flags:SP., actions:2
> [root at avi-dpdk2 openvswitch-2.6.1]#
> [root at avi-dpdk2 openvswitch-2.6.1]#
> [root at avi-dpdk2 openvswitch-2.6.1]#
> [root at avi-dpdk2 openvswitch-2.6.1]# ovs-appctl dpctl/show
> netdev at ovs-netdev:
> lookups: hit:61590195 missed:101 lost:0
> flows: 7
> port 0: ovs-netdev (tap)
> port 1: br-int (tap)
> port 2: dpdkvhostuser0 (dpdkvhostuser: configured_rx_queues=1,
> configured_tx_queues=1, mtu=8950, requested_rx_queues=1,
> requested_tx_queues=1)
> port 3: vxlan_sys_4789 (vxlan)
> port 4: br-phy (tap)
> port 5: dpdk0 (dpdk: configured_rx_queues=1,
> configured_tx_queues=21, mtu=9000, requested_rx_queues=1,
> requested_tx_queues=21)
>
>
>
>
>
> > -----Original Message-----
> > From: Avi Cohen (A)
> > Sent: Wednesday, 07 June, 2017 5:09 PM
> > To: 'Chandran, Sugesh'; ovs-discuss at openvswitch.org
> > Subject: RE: [ovs-discuss] OVS-DPDK - packets received at dpdk
> > interface but not forwarded to VXLAN port
> >
> >
> > Sugesh,
> >
> > VNI (now ) is set to 1000 on both sides.
> > The 2 machines are created on AWS
> > Below is the output of both devices (both attempt to ping their peer)
> > - look similar - there is no qinq.
> > I had a configuration problem - fixed already Below you can see that I
> > have a flow (marked **) for vxlan encapsulation , but not for vxlan
> > decap .. why is that ?
> >
> > Device A
> > flow-dump from non-dpdk interfaces:
> > recirc_id(0),in_port(4),eth(src=02:fb:9e:ce:f2:0d,dst=02:d7:d1:26:84:e
> > 5),eth_typ e(0x0800),ipv4(frag=no), packets:1886, bytes:279128,
> > used:0.801s, actions:5
> > recirc_id(0),in_port(3),eth(src=c6:96:20:43:ee:ab,dst=fa:fc:41:d0:c5:2
> > b),eth_typ e(0x0800),ipv4(tos=0/0x3,frag=no), packets:1886,
> > bytes:184828, used:0.801s,
> > actions:1,tnl_push(tnl_port(2),header(size=50,type=4,eth(dst=02:d7:d1:
> > 26:84:e5
> >
> ,src=02:fb:9e:ce:f2:0d,dl_type=0x0800),ipv4(src=172.31.100.44,dst=172.31.10
> 0.
> > 80,proto=17,tos=0,ttl=64,frag=0x4000),udp(src=0,dst=4789,csum=0x0),vxl
> > an(fla
> > gs=0x8000000,vni=0x3e8)),out_port(4))
> > recirc_id(0),in_port(4),eth(src=02:fb:9e:ce:f2:0d,dst=ff:ff:ff:ff:ff:f
> > f),eth_type(0x0
> > 806),arp(sip=172.31.100.44,tip=172.31.100.1,op=1/0xff), packets:5,
> > bytes:210, used:9.988s, actions:5 flow-dump from pmd on cpu core: 7
> > recirc_id(0),in_port(5),eth(src=02:d7:d1:26:84:e5,dst=02:fb:9e:ce:f2:0
> > d),eth_typ
> > e(0x8100),vlan(vid=2047,pcp=0),encap(eth_type(0x0800),ipv4(frag=no)),
> > packets:1898, bytes:288496, used:0.415s, actions:4
> > recirc_id(0),in_port(5),eth(src=02:97:78:a7:a9:2d,dst=02:fb:9e:ce:f2:0
> > d),eth_typ
> > e(0x8100),vlan(vid=2047,pcp=0),encap(eth_type(0x0806),arp(sip=172.31.1
> > 00.1, op=2/0xff,sha=02:97:78:a7:a9:2d)), packets:5, bytes:300,
> > used:9.988s, actions:4
> >
> > tilities/ovs-appctl dpctl/show
> > netdev at ovs-netdev:
> > lookups: hit:6919 missed:141 lost:0
> > flows: 6
> > port 0: ovs-netdev (tap)
> > port 1: br-int (tap)
> > port 2: vxlan_sys_4789 (vxlan)
> > port 3: veth0
> > port 4: br-phy (tap)
> > port 5: dpdk0 (dpdk: configured_rx_queues=1,
> configured_tx_queues=4,
> > mtu=9000, requested_rx_queues=1,
> > requested_tx_queues=33)
> >
> >
> >
> > Device B
> > flow-dump from non-dpdk interfaces:
> > recirc_id(0),in_port(4),eth(src=02:d7:d1:26:84:e5,dst=02:fb:9e:ce:f2:0
> > d),eth_typ e(0x0800),ipv4(frag=no), packets:1982, bytes:293336,
> > used:0.510s, actions:5
> > recirc_id(0),in_port(3),eth(src=fa:fc:41:d0:c5:2b,dst=c6:96:20:43:ee:a
> > b),eth_typ e(0x0800),ipv4(tos=0/0x3,frag=no), packets:1982,
> > bytes:194236, used:0.510s,
> > actions:1,tnl_push(tnl_port(2),header(size=50,type=4,eth(dst=02:fb:9e:
> > ce:f2:0d,s
> > rc=02:d7:d1:26:84:e5,dl_type=0x0800),ipv4(src=172.31.100.80,dst=172.31
> > .100.4
> > 4,proto=17,tos=0,ttl=64,frag=0x4000),udp(src=0,dst=4789,csum=0x0),vxla
> > n(flag
> > s=0x8000000,vni=0x3e8)),out_port(4))
> > recirc_id(0),in_port(4),eth(src=02:d7:d1:26:84:e5,dst=ff:ff:ff:ff:ff:f
> > f),eth_type(0x
> > 0806),arp(sip=172.31.100.80,tip=172.31.100.1,op=1/0xff), packets:2,
> > bytes:84, used:2.282s, actions:5 flow-dump from pmd on cpu core: 7
> > recirc_id(0),in_port(5),eth(src=02:fb:9e:ce:f2:0d,dst=02:d7:d1:26:84:e
> > 5),eth_typ
> > e(0x8100),vlan(vid=2047,pcp=0),encap(eth_type(0x0800),ipv4(frag=no)),
> > packets:1970, bytes:299440, used:0.226s, actions:4
> > recirc_id(0),in_port(5),eth(src=02:97:78:a7:a9:2d,dst=02:d7:d1:26:84:e
> > 5),eth_ty
> > pe(0x8100),vlan(vid=2047,pcp=0),encap(eth_type(0x0806),arp(sip=172.31.
> > 100.1 ,op=2/0xff,sha=02:97:78:a7:a9:2d)), packets:2, bytes:120,
> > used:2.282s, actions:4
> >
> > utilities/ovs-appctl dpctl/show
> > netdev at ovs-netdev:
> > lookups: hit:6650 missed:114 lost:0
> > flows: 5
> > port 0: ovs-netdev (tap)
> > port 1: br-int (tap)
> > port 2: vxlan_sys_4789 (vxlan)
> > port 3: veth0
> > port 4: br-phy (tap)
> > port 5: dpdk0 (dpdk: configured_rx_queues=1,
> configured_tx_queues=4,
> > mtu=9000, requested_rx_queues=1,
> > requested_tx_queues=33)
> >
> >
> >
> >
> >
> >
> > > -----Original Message-----
> > > From: Chandran, Sugesh [mailto:sugesh.chandran at intel.com]
> > > Sent: Wednesday, 07 June, 2017 4:41 PM
> > > To: Avi Cohen (A); ovs-discuss at openvswitch.org
> > > Subject: RE: [ovs-discuss] OVS-DPDK - packets received at dpdk
> > > interface but not forwarded to VXLAN port
> > >
> > >
> > >
> > > Regards
> > > _Sugesh
> > >
> > >
> > > > -----Original Message-----
> > > > From: Avi Cohen (A) [mailto:avi.cohen at huawei.com]
> > > > Sent: Wednesday, June 7, 2017 1:21 PM
> > > > To: Chandran, Sugesh <sugesh.chandran at intel.com>; ovs-
> > > > discuss at openvswitch.org
> > > > Subject: RE: [ovs-discuss] OVS-DPDK - packets received at dpdk
> > > > interface but not forwarded to VXLAN port
> > > >
> > > > Sugesh
> > > > This is the output from the remote device (the transmitter -
> > > > tries to ping the other device)
> > > >
> > > > ovs-appctl dpctl/dump-flows netdev at ovs-netdev flow-dump from
> non-
> > > > dpdk
> > > > interfaces:
> > > > recirc_id(0),in_port(4),eth(src=02:d7:d1:26:84:e5,dst=02:fb:9e:ce:
> > > > f2
> > > > :0 d),eth_ type(0x0800),ipv4(frag=no), packets:5904, bytes:543696,
> > > > used:0.725s,
> > > > actions:5
> > > >
> > > > recirc_id(0),in_port(3),eth(src=52:e9:07:36:77:ce,dst=ff:ff:ff:ff:
> > > > ff :f f),eth_typ
> > > > e(0x0806),arp(sip=1.1.1.20,tip=1.1.1.10,op=1/0xff),
> > > > packets:5889, bytes:247338, used:0.725s,
> > > >
> actions:1,tnl_push(tnl_port(2),header(size=50,type=4,eth(dst=02:fb:9e:
> > > > ce:f2
> > > > :0d,src=02:d7:d1:26:84:e5,dl_type=0x0800),ipv4(src=172.31.100.80,d
> > > > st
> > > > =1
> > > > 72.3
> > > > 1.100.44,proto=17,tos=0,ttl=64,frag=0x4000),udp(src=0,dst=4789,csu
> > > > m=
> > > > 0x
> > > > 0),
> > > > vxlan(flags=0x8000000,vni=0x3e8)),out_port(4))
> > > >
> > > [Sugesh] It looks OK on the transmit side, However on receive side
> > > they are showing as QinQ.
> > > Are they connected back to back??
> > > Also whats the vxlan key that you have configured for the tunnel
> > > interface on receive side?
> > >
> > > >
> > > > ovs-appctl dpctl/show
> > > > netdev at ovs-netdev:
> > > > lookups: hit:1436 missed:33 lost:0
> > > > flows: 1
> > > > port 0: ovs-netdev (tap)
> > > > port 1: br-int (tap)
> > > > port 2: vxlan_sys_4789 (vxlan)
> > > > port 3: veth0
> > > > port 4: br-phy (tap)
> > > > port 5: dpdk0 (dpdk: configured_rx_queues=1,
> > > >
> > > >
> > > > > -----Original Message-----
> > > > > From: Avi Cohen (A)
> > > > > Sent: Wednesday, 07 June, 2017 2:13 PM
> > > > > To: 'Chandran, Sugesh'; ovs-discuss at openvswitch.org
> > > > > Subject: RE: [ovs-discuss] OVS-DPDK - packets received at dpdk
> > > > > interface but not forwarded to VXLAN port
> > > > >
> > > > > Thanks you Sugesh
> > > > > Correction
> > > > > See output below : - the last show " ovs-appctl
> > > > > dpctl/dump-flows
> > > > netdev at ovs-
> > > > > netdev" - the action is 4 to the br-phy .
> > > > >
> > > > >
> > > > > ovs-appctl dpctl/dump-flows netdev at ovs-netdev flow-dump from
> pmd
> > > > on
> > > > > cpu
> > > > > core: 7
> > > > > recirc_id(0),in_port(5),eth(src=02:d7:d1:26:84:e5,dst=02:fb:9e:ce:
> > > > > f2
> > > > > :0
> > > > > d),eth_typ
> > > > > e(0x8100),vlan(vid=2047,pcp=0),encap(eth_type(0x0800),ipv4(frag=
> > > > > no
> > > > > )) , packets:1334, bytes:128592, used:0.757s, actions:4
> > > > > recirc_id(0),in_port(5),eth(src=02:97:78:a7:a9:2d,dst=02:fb:9e:ce:
> > > > > f2
> > > > > :0
> > > > > d),eth_typ
> > > > > e(0x8100),vlan(vid=2047,pcp=0),encap(eth_type(0x0806),arp(op=1/0
> > > > > xf
> > > > > f) ), packets:1, bytes:60, used:0.525s, actions:4
> > > > > root at ip-172-31-100- 44:/home/ubuntu/openvswitch-2.6.1#
> > > > > root at ip-172-31-100-44:/home/ubuntu/openvswitch-2.6.1#
> > > > > root at ip-172-31-100-44:/home/ubuntu/openvswitch-2.6.1#
> > > > > root at ip-172-31-100-44:/home/ubuntu/openvswitch-2.6.1#
> > > > > root at ip-172-31-100-44:/home/ubuntu/openvswitch-2.6.1#
> > > > > root at ip-172-31-100-44:/home/ubuntu/openvswitch-2.6.1#
> > > > > root at ip-172-31-100-44:/home/ubuntu/openvswitch-2.6.1# ovs-
> appctl
> > > > > dpctl/dump-flows netdev at ovs-netdev flow-dump from pmd on cpu
> core:
> > > > 7
> > > > > recirc_id(0),in_port(5),eth(src=02:d7:d1:26:84:e5,dst=02:fb:9e:ce:
> > > > > f2
> > > > > :0
> > > > > d),eth_typ
> > > > > e(0x8100),vlan(vid=2047,pcp=0),encap(eth_type(0x0800),ipv4(frag=
> > > > > no
> > > > > )) , packets:1341, bytes:129264, used:0.139s, actions:4
> > > > > recirc_id(0),in_port(5),eth(src=02:97:78:a7:a9:2d,dst=02:fb:9e:ce:
> > > > > f2
> > > > > :0
> > > > > d),eth_typ
> > > > > e(0x8100),vlan(vid=2047,pcp=0),encap(eth_type(0x0806),arp(op=1/0
> > > > > xf
> > > > > f) ), packets:2, bytes:120, used:5.957s, actions:4
> > > > > root at ip-172-31-100- 44:/home/ubuntu/openvswitch-2.6.1#
> > > > > root at ip-172-31-100-44:/home/ubuntu/openvswitch-2.6.1#
> > > > > root at ip-172-31-100-44:/home/ubuntu/openvswitch-2.6.1#
> > > > > root at ip-172-31-100-44:/home/ubuntu/openvswitch-2.6.1#
> > > > > root at ip-172-31-100-44:/home/ubuntu/openvswitch-2.6.1# ovs-
> appctl
> > > > > dpctl/show
> > > > > netdev at ovs-netdev:
> > > > > lookups: hit:1436 missed:33 lost:0
> > > > > flows: 1
> > > > > port 0: ovs-netdev (tap)
> > > > > port 1: br-int (tap)
> > > > > port 2: vxlan_sys_4789 (vxlan)
> > > > > port 3: veth0
> > > > > port 4: br-phy (tap)
> > > > > port 5: dpdk0 (dpdk: configured_rx_queues=1,
> > > > configured_tx_queues=4,
> > > > > mtu=9000, requested_rx_queues=1,
> > > > > requested_tx_queues=33)
> > > > >
> > > > > root at ip-172-31-100-44:/home/ubuntu/openvswitch-2.6.1# ovs-
> appctl
> > > > > dpctl/dump-flows netdev at ovs-netdev flow-dump from pmd on cpu
> core:
> > > > 7
> > > > > recirc_id(0),in_port(5),eth(src=02:d7:d1:26:84:e5,dst=02:fb:9e:ce:
> > > > > f2
> > > > > :0
> > > > > d),eth_typ
> > > > > e(0x8100),vlan(vid=2047,pcp=0),encap(eth_type(0x0800),ipv4(frag=
> > > > > no
> > > > > )) , packets:1415, bytes:136368, used:0.317s, actions:4
> > > > > root at ip-172-31-100- 44:/home/ubuntu/openvswitch-2.6.1#
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: Chandran, Sugesh [mailto:sugesh.chandran at intel.com]
> > > > > > Sent: Wednesday, 07 June, 2017 1:32 PM
> > > > > > To: Avi Cohen (A); ovs-discuss at openvswitch.org
> > > > > > Subject: RE: [ovs-discuss] OVS-DPDK - packets received at dpdk
> > > > > > interface but not forwarded to VXLAN port
> > > > > >
> > > > > >
> > > > > >
> > > > > > Regards
> > > > > > _Sugesh
> > > > > >
> > > > > >
> > > > > > > -----Original Message-----
> > > > > > > From: Avi Cohen (A) [mailto:avi.cohen at huawei.com]
> > > > > > > Sent: Wednesday, June 7, 2017 11:27 AM
> > > > > > > To: Chandran, Sugesh <sugesh.chandran at intel.com>; ovs-
> > > > > > > discuss at openvswitch.org
> > > > > > > Subject: RE: [ovs-discuss] OVS-DPDK - packets received at
> > > > > > > dpdk interface but not forwarded to VXLAN port
> > > > > > >
> > > > > > > Sugesh
> > > > > > > Dpctl dump-dps - show nothing - I think this make sense
> > > > > > > because we are in
> > > > > > [Sugesh] did U try ovs-appctl dpctl/dump-flows netdev at ovs-
> netdev?
> > > > > > Can you have a look at
> > > > > > Ovs-appctl dpctl/show
> > > > > > Ovs-appctl dpctl/dump-flows netdev at ovs-netdev
> > > > > >
> > > > > > > user-space only Ofctl dump-flows - show 1 NORMAL entry for
> > > > > > > both bridges Bset Regards avi
> > > > > > >
> > > > > > > -----Original Message-----
> > > > > > > From: Chandran, Sugesh [mailto:sugesh.chandran at intel.com]
> > > > > > > Sent: Wednesday, 07 June, 2017 11:59 AM
> > > > > > > To: Avi Cohen (A); ovs-discuss at openvswitch.org
> > > > > > > Subject: RE: [ovs-discuss] OVS-DPDK - packets received at
> > > > > > > dpdk interface but not forwarded to VXLAN port
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > Regards
> > > > > > > _Sugesh
> > > > > > >
> > > > > > >
> > > > > > > > -----Original Message-----
> > > > > > > > From: Avi Cohen (A) [mailto:avi.cohen at huawei.com]
> > > > > > > > Sent: Wednesday, June 7, 2017 9:26 AM
> > > > > > > > To: Chandran, Sugesh <sugesh.chandran at intel.com>; ovs-
> > > > > > > > discuss at openvswitch.org
> > > > > > > > Subject: RE: [ovs-discuss] OVS-DPDK - packets received at
> > > > > > > > dpdk interface but not forwarded to VXLAN port
> > > > > > > >
> > > > > > > > Thank you Sugesh
> > > > > > > > The problem is not an arp/route issue.
> > > > > > > > The problem is that Packets received in the peer dpdk not
> > > > > > > > forwarded to the vxlan port for decap.
> > > > > > > > When I tried to investigate it - I saw that in ovs-dpdk
> > > > > > > > setup the outer header received at the peer dpdk interface
> > > > > > > > is - for some reason including vlan 2047, (on the other
> > > > > > > > hand in native ovs setup the outer eth header is untagged)
> > > > > > > > I think that the packet is dropped there - although I
> > > > > > > > don't see any drops in
> > > > > > > > dpdk0 statistics.
> > > > > > > [Sugesh] Bit strange to me, I haven't seen anything as such
> > > > > > > in my
> > setup.
> > > > > > > Just wondering what is your ofproto and datapath flows looks
> like?
> > > > > > > >
> > > > > > > > Output of vsctl show:
> > > > > > > >
> > > > > > > > utilities/ovs-vsctl show
> > > > > > > > 8cdae740-9eb3-4b79-ad6f-bca0652c5d54
> > > > > > > > Bridge br-int
> > > > > > > > fail_mode: standalone
> > > > > > > > Port "vxlan0"
> > > > > > > > Interface "vxlan0"
> > > > > > > > type: vxlan
> > > > > > > > options: {remote_ip="172.31.100.80"}
> > > > > > > > Port "veth0"
> > > > > > > > Interface "veth0"
> > > > > > > > Port br-int
> > > > > > > > Interface br-int
> > > > > > > > type: internal
> > > > > > > > Bridge br-phy
> > > > > > > > fail_mode: standalone
> > > > > > > > Port "dpdk0"
> > > > > > > > Interface "dpdk0"
> > > > > > > > type: dpdk
> > > > > > > > options: {dpdk-devargs="0000:00:03.0"}
> > > > > > > > Port br-phy
> > > > > > > > Interface br-phy
> > > > > > > > type: internal
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > > -----Original Message-----
> > > > > > > > > From: Chandran, Sugesh
> > > > > > > > > [mailto:sugesh.chandran at intel.com]
> > > > > > > > > Sent: Wednesday, 07 June, 2017 11:06 AM
> > > > > > > > > To: Avi Cohen (A); ovs-discuss at openvswitch.org
> > > > > > > > > Subject: RE: [ovs-discuss] OVS-DPDK - packets received
> > > > > > > > > at dpdk interface but not forwarded to VXLAN port
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > Regards
> > > > > > > > > _Sugesh
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > > -----Original Message-----
> > > > > > > > > > From: ovs-discuss-bounces at openvswitch.org
> > > > > > > > > > [mailto:ovs-discuss- bounces at openvswitch.org] On
> > > > > > > > > > Behalf Of Avi Cohen (A)
> > > > > > > > > > Sent: Wednesday, June 7, 2017 7:42 AM
> > > > > > > > > > To: ovs-discuss at openvswitch.org
> > > > > > > > > > Subject: [ovs-discuss] OVS-DPDK - packets received at
> > > > > > > > > > dpdk interface but not forwarded to VXLAN port
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > When I work with native OVS (no DPDK) - the traffic is OK.
> > > > > > > > > > I see that with native OVS - I have NO VLAN in the
> > > > > > > > > > outer Ethernet header
> > > > > > > > .
> > > > > > > > > [Sugesh] I didn't understand the issue exactly..Is your
> > > > > > > > > traffic not forwarding at all Or Is it have wrong vlan tag.?
> > > > > > > > > If its issue with the traffic forwarding, it must be
> > > > > > > > > something to do with arp/route.
> > > > > > > > > Can you please have a look at datapath rules , arp and
> > > > > > > > > route entries in
> > > > > > > > ovs.??
> > > > > > > > > You can refer the following document for debug commands
> > > > > > > > >
> > > > > > > > > http://docs.openvswitch.org/en/latest/howto/userspace-
> > > > > > > > > tunneling/?highlight=tunneling
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > > in OVS-DPDK - for some reason - I do have VLAN 2047 - see
> > > > below
> > > > > ###
> > > > > > > > > >
> > > > > > > > > > > -----Original Message-----
> > > > > > > > > > > From: Avi Cohen (A)
> > > > > > > > > > > Sent: Tuesday, 06 June, 2017 1:58 PM
> > > > > > > > > > > To: 'dpdk-ovs at lists.01.org'; 'users at dpdk.org'
> > > > > > > > > > > Subject: OVS-DPDK - packets received at dpdk
> > > > > > > > > > > interface but not forwarded to VXLAN port
> > > > > > > > > > >
> > > > > > > > > > > Hello All (I resend because the prev msg was sent as
> > > > > > > > > > > html)
> > > > > > > > > > >
> > > > > > > > > > > I have 2 OVS-DPDK installed - with the following
> > > > > > > > > > > below symmetric
> > > > > > > > > > > configuration: see ***
> > > > > > > > > > >
> > > > > > > > > > > When I send ping from a namespace (connected to the
> > > > > > > > > > > ovs-dpdk)
> > > > > > > > > > > - I see that the packet is received at the peer via
> > > > > > > > > > > the dpdk interface
> > > > > > > > > > > - BUT not sent to the vxlan port
> > > > > > > > > > >
> > > > > > > > > > > See ### the tcpdump of the packet (captured at the
> > > > > > > > > > > br-phy in the
> > > > > > > > > > > peer) - the packet looks OK but not sent to vxlan
> > > > > > > > > > > port for
> > > > decap.
> > > > > > > > > > >
> > > > > > > > > > > [note that in the TX direction - the behavior is OK
> > > > > > > > > > > - packet sent from namespace to veth0 then to vxlan
> > > > > > > > > > > encap, then to dpdk interface
> > > > > > > > > > > --> eventually the packet is received at the dpdk
> > > > > > > > > > > --> peer interface]
> > > > > > > > > > >
> > > > > > > > > > > Can someone see any problem with my configuration ?
> > > > > > > > > > >
> > > > > > > > > > > Best Regards
> > > > > > > > > > > avi
> > > > > > > > > > >
> > > > > > > > > > > ***
> > > > > > > > > > > utilities/ovs-vsctl show
> > > > > > > > > > > 8cdae740-9eb3-4b79-ad6f-bca0652c5d54
> > > > > > > > > > > Bridge br-int
> > > > > > > > > > > fail_mode: standalone
> > > > > > > > > > > Port "vxlan0"
> > > > > > > > > > > Interface "vxlan0"
> > > > > > > > > > > type: vxlan
> > > > > > > > > > > options: {remote_ip="172.31.100.80"} //
> the
> > > > peer
> > > > > > has
> > > > > > > > > other
> > > > > > > > > > > ip
> > > > > > > > > > > Port "veth0"
> > > > > > > > > > > Interface "veth0"
> > > > > > > > > > > Port br-int
> > > > > > > > > > > Interface br-int
> > > > > > > > > > > type: internal
> > > > > > > > > > > Bridge br-phy
> > > > > > > > > > > fail_mode: standalone
> > > > > > > > > > > Port "dpdk0"
> > > > > > > > > > > Interface "dpdk0"
> > > > > > > > > > > type: dpdk
> > > > > > > > > > > options: {dpdk-devargs="0000:00:03.0"}
> > > > > > > > > > > Port br-phy
> > > > > > > > > > > Interface br-phy
> > > > > > > > > > > type: internal
> > > > > > > > > > >
> > > > > > > > > > > ###
> > > > > > > > > > > 10:27:15.201711 02:d7:d1:26:84:e5 (oui Unknown) >
> > > > > > > > > > > 02:fb:9e:ce:f2:0d (oui Unknown), ethertype 802.1Q
> > > > > > > > > > > (0x8100), length
> > > > > > > > > > > 152: vlan 2047, p 0, ethertype IPv4,
> > > > > > > > > > > ip-172-31-100-80.eu-central-1.compute.internal.58740
> > > > > > > > > > > >
> > > > > > > > > > > ip-172-31-100-
> > > > > > > > > > > 44.eu-central-1.compute.internal.4789: VXLAN, flags
> > > > > > > > > > > [I] (0x08), vni
> > > > > > > > > > > 0
> > > > > > > > > > > 7a:fd:3c:4c:ee:d3 (oui Unknown) > d2:ea:96:e1:ef:d2
> > > > > > > > > > > (oui Unknown), ethertype
> > > > > > > > > > > IPv4 (0x0800), length 98: 1.1.1.20 > 1.1.1.10: ICMP
> > > > > > > > > > > echo request, id 2235, seq 1176, length 64
> > > > > > > > > >
> > > > > > > > > >
> _______________________________________________
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