[dpdk-users] Why flow can not be created?

Ye Xiaolong xiaolong.ye at intel.com
Mon Jul 22 14:48:09 CEST 2019


Hi,

On 07/19, Hideyuki Yamashita wrote:
>Hello,
>
>I am trying to use rte_flow with i40e PMD.
>
>What I want to achieve is like following.
>
> ---(dst MAC=XorY && VID=AorB) ---> PHY --default(VID=B)--> Queue0
>                                                                 VID=A && dstMAC=X----> Queue1
>                                                                 VID=A && dstMAC=Y----> Queue2
>
>I tried to create flow using testpmd, but failed.
>
>testpmd> flow create 0 ingress pattern eth dst is 11:22:33:44:55:66 type mask 0xffff / vlan tci is 150 / end quactions inqueue index 1 / end
>Caught error type 13 (specific pattern item): cause: 0x17ff5e200, Invalid MAC_addr mask.3, : Invalid argument
>testpmd>

It failed due to the flow used in your example would use i40e fdir filter, and
currently it doesn't support dst MAC.

>
>Note that I could create flow which matches with dst Mac address.
>I could also create flow which matches with VID.

If you create flow with dst MAC address only, then it's handled by ethertype
filter which supports dst MAC.

Thanks,
Xiaolong

>
>---(dst MAC=XorYorZ) ---> PHY  --default(Z)--> Queue0
>                                                      dstMAC=X----> Queue1
>                                                       dstMAC=Y----> Queue2
>
>---(VID=AorB) ---> PHY  --default(B)--> Queue0
>                                           VID=A-------> Queue1
>
>However when comined those two into one flow, testpmd failed to validate the flow.
>
>
>Q1. Why above flow can not be created?
>Q2. All the NICs supported by i40e-PMD do NOT provide above operation and packet classification features?
>Q3. Are there any PMD/NIC which allow above operation?
>
>
>Thaks in advance,
>
>Hideyuki Yamashita
>NTT TechnoCross
>
>


More information about the users mailing list