[ovs-discuss] Cannot dump packet capture using dpdk-pdump

Sun Paul paulrbk at gmail.com
Tue Sep 26 12:30:22 UTC 2017


Hi

Whenever I run the dpdk-pdump, the ova-vswitchd daemon will be dead.

Any idea?



On Monday, September 25, 2017, Loftus, Ciara <ciara.loftus at intel.com> wrote:

> > Hi
> >
> > I am trying to configured dpdk-pdump to dump the packet in the OVS
> > bridge, however, I am failed. no packet is capture on ingress or
> > egress, any idea?
>
> Hi,
>
> You are capturing on port 1 but the link state is "down". Make sure your
> link is up and that you can see packets being rx/tx in the statistics first
> eg. via 'ovs-ofctl dump-ports <bridgename>'
> The following might be useful as well:
> https://software.intel.com/en-us/articles/dpdk-pdump-in-
> open-vswitch-with-dpdk
>
> Thanks,
> Ciara
>
> >
> >
> > the command I used is
> > ./dpdk-pdump -- --pdump
> > port=1,queue=*,rx-dev=/tmp/pkts_rx.pcap,tx-dev=/tmp/pkts_tx.pcap
> > --server-socket-path=/usr/local/var/run/openvswitch
> >
> > the output on the screen is shown below.
> >
> > EAL: Detected 24 lcore(s)
> > EAL: Probing VFIO support...
> > EAL: WARNING: Address Space Layout Randomization (ASLR) is enabled in
> > the kernel.
> > EAL:    This may cause issues with mapping memory into secondary
> processes
> > EAL: PCI device 0000:04:00.0 on NUMA socket 0
> > EAL:   probe driver: 8086:150e net_e1000_igb
> > EAL: PCI device 0000:04:00.1 on NUMA socket 0
> > EAL:   probe driver: 8086:150e net_e1000_igb
> > EAL: PCI device 0000:04:00.2 on NUMA socket 0
> > EAL:   probe driver: 8086:150e net_e1000_igb
> > EAL: PCI device 0000:04:00.3 on NUMA socket 0
> > EAL:   probe driver: 8086:150e net_e1000_igb
> > EAL: PCI device 0000:07:00.0 on NUMA socket 0
> > EAL:   probe driver: 8086:1521 net_e1000_igb
> > EAL: PCI device 0000:07:00.1 on NUMA socket 0
> > EAL:   probe driver: 8086:1521 net_e1000_igb
> > EAL: PCI device 0000:07:00.2 on NUMA socket 0
> > EAL:   probe driver: 8086:1521 net_e1000_igb
> > EAL: PCI device 0000:07:00.3 on NUMA socket 0
> > EAL:   probe driver: 8086:1521 net_e1000_igb
> > PMD: Initializing pmd_pcap for net_pcap_rx_0
> > PMD: Creating pcap-backed ethdev on numa socket 4294967295
> > Port 2 MAC: 00 00 00 01 02 03
> > PMD: Initializing pmd_pcap for net_pcap_tx_0
> > PMD: Creating pcap-backed ethdev on numa socket 4294967295
> > Port 3 MAC: 00 00 00 01 02 03
> >
> > the port assignment is
> >
> > # ovs-ofctl show xtp1
> > OFPT_FEATURES_REPLY (xid=0x2): dpid:0000001b21a7f596
> > n_tables:254, n_buffers:0
> > capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS
> > ARP_MATCH_IP
> > 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
> >  1(dpdk1): addr:00:1b:21:a7:f5:97
> >      config:     0
> >      state:      LINK_DOWN
> >      current:    AUTO_NEG
> >      speed: 0 Mbps now, 0 Mbps max
> >  2(dpdk0): addr:00:1b:21:a7:f5:96
> >      config:     0
> >      state:      LINK_DOWN
> >      current:    AUTO_NEG
> >      speed: 0 Mbps now, 0 Mbps max
> >  LOCAL(gtp1): addr:00:1b:21:a7:f5:96
> >      config:     0
> >      state:      0
> >      current:    10MB-FD COPPER
> >      speed: 10 Mbps now, 0 Mbps max
> > OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0
> > _______________________________________________
> > discuss mailing list
> > discuss at openvswitch.org <javascript:;>
> > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
>
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