[dpdk-users] flow rule rejected by device

[Filip Janiszewski]

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 at filipjaniszewski.com <mailto:contact at 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