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Date: Sat, 09 May 2020 11:53:19 +0000
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Subject: [dpdk-dev] [Bug 470] vmxnet3 pmd cannot received icmp6 ns packet
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https://bugs.dpdk.org/show_bug.cgi?id=3D470

            Bug ID: 470
           Summary: vmxnet3 pmd cannot received icmp6 ns packet
           Product: DPDK
           Version: 16.04
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: longyuwlz@gmail.com
  Target Milestone: ---

Environment:

Vmware ESXi 6.5.0


vmxnet3 bind information:

Network devices using DPDK-compatible driver
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
0000:03:00.0 'VMXNET3 Ethernet Controller' drv=3Digb_uio unused=3Duio_pci_g=
eneric
0000:0b:00.0 'VMXNET3 Ethernet Controller' drv=3Digb_uio unused=3Duio_pci_g=
eneric


I changed vmxnet3_recv_pkts function to use rte_pktmbuf_dump dump all the m=
buf
pakcet received=E3=80=82

I changed vmxnet3_recv_pkts like this:

+ int i;

........

 rcd_done:
+                       for (i =3D 0; i < nb_rx; i++) {
+                               struct rte_mbuf *m =3D rx_pkts[i];
+                               rte_pktmbuf_dump(stdout, m, m->pkt_len);
+                       }

Then I run our program and redirect the dump information to a file. Same ti=
me,
I used ping6 to send icmp6 ns packet in another virtual machine=E3=80=82

After awhile I greped icmp6 ns packet type from dumped file=EF=BC=8Cbut got=
 none packet
dump information.

After that, I binded vmxnet3 to kernel driver, and setted ipv6 address=EF=
=BC=8Cthis
time the interface can received icmp6 ns packet.

--=20
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