rte_flow: total_length field match not working (MLX5)?
Maayan Kashani
mkashani at nvidia.com
Sun Jan 7 09:36:53 CET 2024
Hi,
Sorry for the late response,
This feature is supported on template mode with template API (dv_flow_en=2).
I see the documentation is not clear, we are working on updating it.
Regards,
Maayan Kashani
> -----Original Message-----
> From: Tony Hart <tony.hart at domainhart.com>
> Sent: Saturday, 28 October 2023 16:53
> To: users at dpdk.org
> Subject: rte_flow: total_length field match not working (MLX5)?
>
> External email: Use caution opening links or attachments
>
>
> I'm trying to match on the IPv4 total-length field using the feature introduced
> in DPDK 23.07; however although the length option is accepted by testpmd it
> seems that it's ignored by Connectx6.
>
> I'm sending small packets. e.g.
>
> 09:44:39.617427 IP 100.100.1.14.10000 > 1.1.1.1.80: Flags [S], seq
> 408572454:408572460, win 8192, length 6: HTTP
>
> and have the following flows set in testpmd...
>
> flow create 0 ingress pattern end actions jump group 1 / end flow create 0
> group 1 ingress pattern eth / ipv4 dst is 1.1.1.1 length spec 1400 length last
> 1448 / end actions count / drop / end
>
> However the flow is matched even though the packet should fail the length
> criteria.
>
> testpmd> flow list 0
> ID Group Prio Attr Rule
> 0 0 0 i-- => JUMP
> 1 1 0 i-- ETH IPV4 => COUNT DROP
>
> testpmd> flow query 0 1 count
> COUNT:
> hits_set: 1
> bytes_set: 1
> hits: 13
> bytes: 832
>
> Any thoughts?
> Tony
>
> btw, I'm using OFED 5.8 and firmware version 22.35.2000
>
> mlnx-ofa_kernel-5.8-OFED.5.8.1.1.2.1.rhel9u1.x86_64
> kmod-mlnx-ofa_kernel-5.8-OFED.5.8.1.1.2.1.rhel9u1.x86_64
> mlnx-ofa_kernel-devel-5.8-OFED.5.8.1.1.2.1.rhel9u1.x86_64
> ofed-scripts-5.8-OFED.5.8.1.1.2.x86_64
>
> hca_id: mlx5_0
> transport: InfiniBand (0)
> fw_ver: 22.35.2000
> node_guid: e8eb:d303:00b4:7c86
> sys_image_guid: e8eb:d303:00b4:7c86
> vendor_id: 0x02c9
> vendor_part_id: 4125
> hw_ver: 0x0
> board_id: MT_0000000359
More information about the users
mailing list