[dpdk-dev] [Bug 352] Bifurcated Driver X710 for ipv6 flow rule addition not working

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=352

            Bug ID: 352
           Summary: Bifurcated Driver X710 for ipv6 flow rule addition not
                    working
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: examples
          Assignee: dev at dpdk.org
          Reporter: Muthurajan.Jayakumar at intel.com
  Target Milestone: ---

We received X710 cards and were able to obtain connectivity! Thank you! 

We were trying to setup flow bifurcation on the card for DPDK
(https://doc.dpdk.org/guides/howto/flow_bifurcation.html#using-flow-bifurcation-on-i40e-in-linux),
but it seems I cannot get an ip6 or tcp6 flow rule to be accepted via the i40e
driver. I keep getting “Cannot insert RX class rule: Invalid argument”

awang200# lshw -c network -businfo
Bus info          Device     Class      Description
===================================================
pci at 0000:05:00.0  ens2f0     network    NetXtreme BCM5720 Gigabit Ethernet PCIe
pci at 0000:05:00.1  ens2f1     network    NetXtreme BCM5720 Gigabit Ethernet PCIe
pci at 0000:04:00.0  eno49      network    NetXtreme II BCM57810 10 Gigabit
Ethernet
pci at 0000:04:00.1  eno50      network    NetXtreme II BCM57810 10 Gigabit
Ethernet
pci at 0000:08:00.0  ens1f0     network    Ethernet Controller X710 for 10GbE SFP+
pci at 0000:08:00.1  ens1f1     network    Ethernet Controller X710 for 10GbE SFP+
pci at 0000:08:00.2  ens1f2     network    Ethernet Controller X710 for 10GbE SFP+
pci at 0000:08:00.3  ens1f3     network    Ethernet Controller X710 for 10GbE SFP+
pci at 0000:02:00.0  eno1       network    NetXtreme BCM5719 Gigabit Ethernet PCIe
pci at 0000:02:00.1  eno2       network    NetXtreme BCM5719 Gigabit Ethernet PCIe
pci at 0000:02:00.2  eno3       network    NetXtreme BCM5719 Gigabit Ethernet PCIe
pci at 0000:02:00.3  eno4       network    NetXtreme BCM5719 Gigabit Ethernet PCIe
                  docker0    network    Ethernet interface

root at occam-gateway-14:/home/awang200# /usr/local/sbin/ethtool --version
ethtool version 5.2

root at occam-gateway-14:/home/awang200# /usr/local/sbin/ethtool -i ens1f0
driver: i40e
version: 2.9.21
firmware-version: 6.01 0x80003484 1.1747.0
expansion-rom-version:
bus-info: 0000:08:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes

root at occam-gateway-14:/home/awang200# /usr/local/sbin/ethtool --show-ntuple
ens1f0
32 RX rings available
Total 0 rules
root at occam-gateway-14:/home/awang200# /usr/local/sbin/ethtool --config-ntuple
ens1f0 flow-type ip6 dst-ip 2001:558:feed:10:0:2:: user-def 0xffffffff00000000
action 0 loc 0
rmgr: Cannot insert RX class rule: Invalid argument

The README of i40e driver (version 2.9.21) still says that “NOTE: The Linux
i40e driver supports the following flow types: IPv4, TCPv4, and UDPv4.” 

Would the XL710 card  support IPv6 (TCPv6) flow types via some other mechanism?

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