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From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/ethdev Bug 1928] QinQ strip not working on E810
Date: Fri, 03 Apr 2026 18:44:44 +0000
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http://bugs.dpdk.org/show_bug.cgi?id=3D1928

            Bug ID: 1928
           Summary: QinQ strip not working on E810
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: dmarx@iol.unh.edu
  Target Milestone: ---

Double 8100 tag, Single 88a8 tag, QinQ (88a8 and 8100 tags) all not stripped
properly with combination of qinq/vlan strip enabled:

testpmd> vlan set qinq_strip on 0
testpmd> vlan set strip on 0

Sent double 8100: Ether(src=3D'10:70:fd:18:5a:54',
dst=3D'6c:fe:54:41:ad:d0')/Dot1Q(vlan=3D100)/Dot1Q(vlan=3D200)/IP(src=3D'19=
2.168.100.3',
dst=3D'192.168.101.3')/UDP(sport=3D4321, dport=3D1234)/Raw(load=3Db'xxxxx')

Received double 8100: Ether  dst=3D6c:fe:54:41:ad:d0 src=3D10:70:fd:18:5a:54
type=3DIPv4 |<IP  version=3D4 ihl=3D5 tos=3D0x0 len=3D33 id=3D1 flags=3D fr=
ag=3D0 ttl=3D64
proto=3Dudp chksum=3D0x3074 src=3D192.168.100.3 dst=3D192.168.101.3 |<UDP  =
sport=3D4321
dport=3D1234 len=3D13 chksum=3D0x36d8 |<Raw  load=3Db'xxxxx'

Sent single 88a8: Ether(src=3D'10:70:fd:18:5a:54',
dst=3D'6c:fe:54:41:ad:d0')/Dot1AD()/IP(src=3D'192.168.100.3',
dst=3D'192.168.101.3')/UDP(sport=3D4321, dport=3D1234)/Raw(load=3Db'xxxxx')

Received single 88a8: Ether  dst=3D6c:fe:54:41:ad:d0 src=3D10:70:fd:18:5a:54
type=3D802_1AD |<Dot1AD  prio=3D0 dei=3D0 vlan=3D1 type=3DIPv4 |<IP  versio=
n=3D4 ihl=3D5
tos=3D0x0 len=3D33 id=3D1 flags=3D frag=3D0 ttl=3D64 proto=3Dudp chksum=3D0=
x3074
src=3D192.168.100.3 dst=3D192.168.101.3 |<UDP  sport=3D4321 dport=3D1234 le=
n=3D13
chksum=3D0x36d8 |<Raw  load=3Db'xxxxx'

Sent qinq: Ether(src=3D'10:70:fd:18:5a:54',
dst=3D'6c:fe:54:41:ad:d0')/Dot1AD()/Dot1Q()/IP(src=3D'192.168.100.3',
dst=3D'192.168.101.3')/UDP(sport=3D4321, dport=3D1234)/Raw(load=3Db'xxxxx')

Received qinq: Ether  dst=3D6c:fe:54:41:ad:d0 src=3D10:70:fd:18:5a:54 type=
=3D802_1AD
|<Dot1AD  prio=3D0 dei=3D0 vlan=3D1 type=3DIPv4 |<IP  version=3D4 ihl=3D5 t=
os=3D0x0 len=3D33
id=3D1 flags=3D frag=3D0 ttl=3D64 proto=3Dudp chksum=3D0x3074 src=3D192.168=
.100.3
dst=3D192.168.101.3 |<UDP  sport=3D4321 dport=3D1234 len=3D13 chksum=3D0x36=
d8 |<Raw=20
load=3Db'xxxxx'

sudo ethtool -i enP4s4f0np0
driver: ice
version: 6.8.0-106-generic
firmware-version: 4.90 0x80020ef2 1.3863.0
expansion-rom-version:=20
bus-info: 0004:01:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes

uname -m
aarch64

DPDK version: 26.03 rc2

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