[DPDK/ethdev Bug 1938] The NIC's imissed counter increments when the x710 VF uses dpdk-l2fwd for data forwarding.

[DPDK/ethdev Bug 1938] The NIC's imissed counter increments when the x710 VF uses dpdk-l2fwd for data forwarding.

[bugzilla]

http://bugs.dpdk.org/show_bug.cgi?id=1938

            Bug ID: 1938
           Summary: The NIC's imissed counter increments when the x710 VF
                    uses dpdk-l2fwd for data forwarding.
           Product: DPDK
           Version: 24.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: laitianli2000@163.com
  Target Milestone: ---

With the i40e driver (v2.18.9, firmware 0x8000c407 1.3295.0) and DPDK
v24.11.5-rc1, aarch64 and ubuntu2204 system, when dpdk-l2fwd takes over the VF
for forwarding, injecting 500 Mbps of UDP traffic via pktgen results in an
incrementing imissed counter retrieved via rte_eth_stats_get(). 

Port statistics ====================================
Statistics for port 0 ------------------------------
Packets sent:                  6784279
Packets received:              6784279
Packets dropped:                     0
ipackets:          6784279      opackets:          6784279      ibytes:      
9474046884        obytes:       9470853484
imissed:             2281      ierrors:                0       oerrors:        
       0
Aggregate statistics ===============================
Total packets sent:            6784279
Total packets received:        6784279
Total packets dropped:               0
====================================================

Port statistics ====================================
Statistics for port 0 ------------------------------
Packets sent:                  7223135
Packets received:              7223135
Packets dropped:                     0
ipackets:          7223135      opackets:          7223135      ibytes:     
10087126660        obytes:      10083496460
imissed:             2593       ierrors:                0       oerrors:       
        0
Aggregate statistics ===============================
Total packets sent:            7223135
Total packets received:        7223135
Total packets dropped:               0
====================================================

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[DPDK/ethdev Bug 1938] The NIC's imissed counter increments when the x710 VF uses dpdk-l2fwd for data forwarding.

[bugzilla]

http://bugs.dpdk.org/show_bug.cgi?id=1938

laitianli (laitianli2000@163.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #1 from laitianli (laitianli2000@163.com) ---
Fixed it by change IAVF_ALARM_INTERVAL to 1000

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