[dpdk-users] Problem installing rules with counters on MLX5

Raslan Darawsheh rasland at mellanox.com
Thu Oct 11 14:16:31 CEST 2018


Hi Georgios,

You are trying to create the same rule with three different actions.
I would suggest that you change your mask to be proto is 1/6/17
This way you'll have three different rules

Kindest regards,
Raslan Darawsheh

> -----Original Message-----
> From: users <users-bounces at dpdk.org> On Behalf Of Georgios Katsikas
> Sent: Thursday, October 11, 2018 3:01 PM
> To: users at dpdk.org
> Subject: [dpdk-users] Problem installing rules with counters on MLX5
> 
> Dear all,
> 
> I am trying to install 3 simple rules (to match ICMP, TCP, and UDP flows) on a
> Mellanox ConnectX-5 100 GbE NIC using DPDK's flow API.
> The rules are as follows:
> 
>    1. flow create 0 ingress pattern eth type is 2048 / ipv4 proto spec 1
>    proto mask 0x0 / end actions queue index 0 / count / end
>    2. flow create 0 ingress pattern eth type is 2048 / ipv4 proto spec 6
>    proto mask 0x0 / end actions queue index 0 / count / end
>    3. flow create 0 ingress pattern eth type is 2048 / ipv4 proto spec 17
>    proto mask 0x0 / end actions queue index 0 / count / end
> 
> Only the first rule gets properly installed. The remaining 2 rules throw the
> following error:
> Caught error type 1 (cause unspecified): hardware refuses to create flow
> 
> If I try to incorporate 'count identifier <index> shared 0', I still get error (with
> or without shared).
> If I try to install the same rules without action count, then everything works
> as expected.
> Action count on rules that match src/dst IP addresses works fine.
> Could you please shed some light on this?
> 
> I am using DPDK 18.08 with Mellanox OFED 4.4-2.0.7.0 (latest).
> 
> Thanks,
> Georgios


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