[DPDK/ethdev Bug 1928] QinQ strip not working on E810

[DPDK/ethdev Bug 1928] QinQ strip not working on E810

[bugzilla]

http://bugs.dpdk.org/show_bug.cgi?id=1928

            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='10:70:fd:18:5a:54',
dst='6c:fe:54:41:ad:d0')/Dot1Q(vlan=100)/Dot1Q(vlan=200)/IP(src='192.168.100.3',
dst='192.168.101.3')/UDP(sport=4321, dport=1234)/Raw(load=b'xxxxx')

Received double 8100: Ether  dst=6c:fe:54:41:ad:d0 src=10:70:fd:18:5a:54
type=IPv4 |<IP  version=4 ihl=5 tos=0x0 len=33 id=1 flags= frag=0 ttl=64
proto=udp chksum=0x3074 src=192.168.100.3 dst=192.168.101.3 |<UDP  sport=4321
dport=1234 len=13 chksum=0x36d8 |<Raw  load=b'xxxxx'

Sent single 88a8: Ether(src='10:70:fd:18:5a:54',
dst='6c:fe:54:41:ad:d0')/Dot1AD()/IP(src='192.168.100.3',
dst='192.168.101.3')/UDP(sport=4321, dport=1234)/Raw(load=b'xxxxx')

Received single 88a8: Ether  dst=6c:fe:54:41:ad:d0 src=10:70:fd:18:5a:54
type=802_1AD |<Dot1AD  prio=0 dei=0 vlan=1 type=IPv4 |<IP  version=4 ihl=5
tos=0x0 len=33 id=1 flags= frag=0 ttl=64 proto=udp chksum=0x3074
src=192.168.100.3 dst=192.168.101.3 |<UDP  sport=4321 dport=1234 len=13
chksum=0x36d8 |<Raw  load=b'xxxxx'

Sent qinq: Ether(src='10:70:fd:18:5a:54',
dst='6c:fe:54:41:ad:d0')/Dot1AD()/Dot1Q()/IP(src='192.168.100.3',
dst='192.168.101.3')/UDP(sport=4321, dport=1234)/Raw(load=b'xxxxx')

Received qinq: Ether  dst=6c:fe:54:41:ad:d0 src=10:70:fd:18:5a:54 type=802_1AD
|<Dot1AD  prio=0 dei=0 vlan=1 type=IPv4 |<IP  version=4 ihl=5 tos=0x0 len=33
id=1 flags= frag=0 ttl=64 proto=udp chksum=0x3074 src=192.168.100.3
dst=192.168.101.3 |<UDP  sport=4321 dport=1234 len=13 chksum=0x36d8 |<Raw 
load=b'xxxxx'

sudo ethtool -i enP4s4f0np0
driver: ice
version: 6.8.0-106-generic
firmware-version: 4.90 0x80020ef2 1.3863.0
expansion-rom-version: 
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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