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From: Slava Ovsiienko <viacheslavo@nvidia.com>
To: NBU-Contact-Thomas Monjalon <thomas@monjalon.net>,
	Alessandro Pagani <alessandropagani.90@gmail.com>
Cc: "users@dpdk.org" <users@dpdk.org>, Asaf Penso <asafp@nvidia.com>
Subject: Re: [dpdk-users] DPDK 20.11 MLX5 testpmd tx_pp 'WQE index ignore feature is required for packet pacing'
Date: Fri, 11 Dec 2020 16:19:58 +0000
Message-ID: <MWHPR12MB15018B03FDED667573C0C581DFCA0@MWHPR12MB1501.namprd12.prod.outlook.com> (raw)
In-Reply-To: <5238000.dFEpQ3j31A@thomas>

> -----Original Message-----
> From: Thomas Monjalon <thomas@monjalon.net>
> Sent: Friday, December 11, 2020 17:48
> To: Alessandro Pagani <alessandropagani.90@gmail.com>
> Cc: users@dpdk.org; Slava Ovsiienko <viacheslavo@nvidia.com>; Asaf Penso
> <asafp@nvidia.com>
> Subject: Re: [dpdk-users] DPDK 20.11 MLX5 testpmd tx_pp 'WQE index ignore
> feature is required for packet pacing'
> 
> 09/12/2020 17:03, Alessandro Pagani:
> > Hi all,
> >
> > I am trying to run dpdk testpmd with Mellanox ConnectX4 Lx (mlx5 driver).
> >
> > I am specifying the tx_pp parameter to provide the packet send
> > scheduling on mbuf timestamps, but the testpmd fails with the following
> error:
> [...]
> > EAL: Probe PCI driver: mlx5_pci (15b3:1015) device: 0000:3b:00.0

This is ConnectX-4LX (DevID is 1015), it does not support scheduling.
Tx scheduling is supported since ConnectX-6DX. 

> > (socket 0)
> > mlx5_pci: No available register for Sampler.
> > mlx5_pci: WQE index ignore feature is required for packet pacing
> > mlx5_pci: probe of PCI device 0000:3b:00.0 aborted after encountering
> > an
> > error: No such device
> > common_mlx5: Failed to load driver = mlx5_pci.
> >
> > EAL: Requested device 0000:3b:00.0 cannot be used
> [...]
> > The error messages suggest that "WQE index ignore feature is required
> > for packet pacing".
> >
> > Anyone knows the reason of this error and how to solve it?
> 
> I think it means your device does not support this feature.
> But I realize it is not documented here:

Yes, indeed. I'll provide the patch, thank you for noticing that.

With best regards, Slava


> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdoc.dp
> dk.org%2Fguides%2Fnics%2Fmlx5.html%23supported-hardware-
> offloads&amp;data=04%7C01%7Cviacheslavo%40nvidia.com%7C68077a428d9
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> 


> 


  reply	other threads:[~2020-12-11 16:20 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-09 16:03 Alessandro Pagani
2020-12-11 15:48 ` Thomas Monjalon
2020-12-11 16:19   ` Slava Ovsiienko [this message]
2020-12-11 16:31     ` Thomas Monjalon
2020-12-11 16:44       ` Slava Ovsiienko
2020-12-16  6:40         ` Alessandro Pagani
2020-12-13 10:29 ` Asaf Penso

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