Re: [dpdk-users] users Digest, Vol 173, Issue 6

Re: [dpdk-users] users Digest, Vol 173, Issue 6

[Liwu Liu]

I think you have to define certain flow rules into NIC to let it forward traffic to your DPDK user-land CQ.
The hardware flow rule is used for the NIC to determine which packets to forward to DPDK rxq.
No flow rule, receive no packet.

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Today's Topics:

   1. flow rule rejected by device (Filip Janiszewski)
   2. Re: flow rule rejected by device (Cliff Burdick)
   3. Re: flow rule rejected by device (Filip Janiszewski)


----------------------------------------------------------------------

Message: 1
Date: Sat, 16 Feb 2019 15:19:59 +0100
From: Filip Janiszewski <contact@filipjaniszewski.com>
To: "users@dpdk.org" <users@dpdk.org>
Subject: [dpdk-users] flow rule rejected by device
Message-ID:
	<f74c0851-8350-b230-b906-e66af8835cd1@filipjaniszewski.com>
Content-Type: text/plain; charset=iso-8859-15

Hi All,

I have a weird issue with an re-branded Mellanox card (sold as HP, but MLX hardware: HP InfiniBand FDR/EN 10/40Gb Dual Port 544FLR-QSFP
Adapter) which is failing to start (rte_eth_dev_start) with the following message:

.
PMD: net_mlx4: 0xebbf40: cannot attach flow rules (code 95, "Operation not supported"), flow error type 2, cause 0x7f76cd22b680, message: flow rule rejected by device .

I can't say what that cause means, any suggestion on how to decode those numbers? Also, I don't have configured any flow rule (or nothing
related) and the very same code works fine one a ConnectX-4 Lx.

I suspect a firmware compatibility issue, as the HP card is running with the FW version 2.30.3200 while apparently the Minimum firmware version required to support DPDK is 2.36.5000:

http://www.mellanox.com/related-docs/prod_software/MLNX_DPDK_Quick_Start_Guide_v16.11_1.5.pdf

(Page 8).

The HP card is running on Mellanox firmware.

Did anyone encountered a similar issue and can comment if the firmware can be the problem here?

Thanks

--
BR, Filip
+48 666 369 823


------------------------------

Message: 2
Date: Sat, 16 Feb 2019 20:32:57 -0800
From: Cliff Burdick <shaklee3@gmail.com>
To: Filip Janiszewski <contact@filipjaniszewski.com>
Cc: "users@dpdk.org" <users@dpdk.org>
Subject: Re: [dpdk-users] flow rule rejected by device
Message-ID:
	<CA+Gp1nbYzBX7JJNfYQ7nX2ZJ6nh-zxpEv5jWu8GQCeE=8TGr9A@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"

What type are flow are you creating? I believe #95 is simply that it's not
supported on that NIC. I'm not sure if an HP variant of the CX4 will
support different flows, but it should be traceable in the driver.

On Sat, Feb 16, 2019 at 6:20 AM Filip Janiszewski <
contact@filipjaniszewski.com> wrote:

> Hi All,
>
> I have a weird issue with an re-branded Mellanox card (sold as HP, but
> MLX hardware: HP InfiniBand FDR/EN 10/40Gb Dual Port 544FLR-QSFP
> Adapter) which is failing to start (rte_eth_dev_start) with the
> following message:
>
> .
> PMD: net_mlx4: 0xebbf40: cannot attach flow rules (code 95, "Operation
> not supported"), flow error type 2, cause 0x7f76cd22b680, message: flow
> rule rejected by device
> .
>
> I can't say what that cause means, any suggestion on how to decode those
> numbers? Also, I don't have configured any flow rule (or nothing
> related) and the very same code works fine one a ConnectX-4 Lx.
>
> I suspect a firmware compatibility issue, as the HP card is running with
> the FW version 2.30.3200 while apparently the Minimum firmware version
> required to support DPDK is 2.36.5000:
>
>
> http://www.mellanox.com/related-docs/prod_software/MLNX_DPDK_Quick_Start_Guide_v16.11_1.5.pdf
>
> (Page 8).
>
> The HP card is running on Mellanox firmware.
>
> Did anyone encountered a similar issue and can comment if the firmware
> can be the problem here?
>
> Thanks
>
> --
> BR, Filip
> +48 666 369 823
>


------------------------------

Message: 3
Date: Sun, 17 Feb 2019 08:40:20 +0100
From: Filip Janiszewski <contact@filipjaniszewski.com>
To: Cliff Burdick <shaklee3@gmail.com>
Cc: "users@dpdk.org" <users@dpdk.org>
Subject: Re: [dpdk-users] flow rule rejected by device
Message-ID:
	<0d068419-3931-34ec-493d-c4cd1a2b99b1@filipjaniszewski.com>
Content-Type: text/plain; charset=utf-8

I'm not creating any flow at all, that's the weird part.

Il 17/02/19 05:32, Cliff Burdick ha scritto:
> What type are flow are you creating? I believe #95 is simply that it's
> not supported on that NIC. I'm not sure if an HP variant of the CX4 will
> support different flows, but it should be traceable in the driver.
>
> On Sat, Feb 16, 2019 at 6:20 AM Filip Janiszewski
> <contact@filipjaniszewski.com <mailto:contact@filipjaniszewski.com>> wrote:
>
>     Hi All,
>
>     I have a weird issue with an re-branded Mellanox card (sold as HP, but
>     MLX hardware: HP InfiniBand FDR/EN 10/40Gb Dual Port 544FLR-QSFP
>     Adapter) which is failing to start (rte_eth_dev_start) with the
>     following message:
>
>     .
>     PMD: net_mlx4: 0xebbf40: cannot attach flow rules (code 95, "Operation
>     not supported"), flow error type 2, cause 0x7f76cd22b680, message: flow
>     rule rejected by device
>     .
>
>     I can't say what that cause means, any suggestion on how to decode those
>     numbers? Also, I don't have configured any flow rule (or nothing
>     related) and the very same code works fine one a ConnectX-4 Lx.
>
>     I suspect a firmware compatibility issue, as the HP card is running with
>     the FW version 2.30.3200 while apparently the Minimum firmware version
>     required to support DPDK is 2.36.5000:
>
>     http://www.mellanox.com/related-docs/prod_software/MLNX_DPDK_Quick_Start_Guide_v16.11_1.5.pdf
>
>     (Page 8).
>
>     The HP card is running on Mellanox firmware.
>
>     Did anyone encountered a similar issue and can comment if the firmware
>     can be the problem here?
>
>     Thanks
>
>     --
>     BR, Filip
>     +48 666 369 823
>

--
BR, Filip
+48 666 369 823


End of users Digest, Vol 173, Issue 6
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