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Need help with ipv4_multicast app in DPDK 20.08

dpdk-dev [email protected] 1 participant 2 messages Aug 31, 2021 – Jun 12, 2023

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https://bugs.dpdk.org/show_bug.cgi?id=802

            Bug ID: 802
           Summary: Need help with ipv4_multicast app in DPDK 20.08
           Product: DPDK
           Version: 20.08
          Hardware: x86
                OS: All
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: examples
          Assignee: [email protected]
          Reporter: [email protected]

Target Milestone: ---

Hi,
We are trying to use the ipv4_multicast app in DPDK examples. However, we are not able to get it to run as expected.

The behavior that we are seeing is that packets are being sent from a packet generator but they are not being received by the APP. We have tried debugging the app by putting prints at various places but still don't have a clue on what is wrong.

We tried other examples apps like testpmd, l2fwd etc and these are working flawlessly.

Need inputs from the DPDK experts on the ipv4_multicast app.

Command used:

./<build_dir>/examples/ipv4_multicast -c 0x1 -n 1 -- -p 0x5 -q 2

DPDK Version: 20.08
NIC: XXV710 (fw version: 8.3)
Bound to: vfio-pci UIO

With the above command:
rte_eth_rx_burst() returns 0 in the ipv4_multicast app even when packets are being sent to the NIC/port.

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https://bugs.dpdk.org/show_bug.cgi?id=802

Thomas Monjalon ([email protected]) changed:

What |Removed |Added
----------------------------------------------------------------------------

             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from Thomas Monjalon ([email protected]) --- Resolved in http://git.dpdk.org/dpdk/commit/?id=854c0b1fc0

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