Starting OFED 5.1 it stopped the support for MLX4 pmd
And seems that you have some libmlx4 under your local lib dir,
In the meanwhile what you can do when doing ninja is to disable mxl4 
compilation:

meson build -D disable_driver=net/mlx4; ninja -C build

Kindest regards,
Raslan Darawsheh

From: Gerry Wan <[email protected]>
Sent: Sunday, December 13, 2020 1:25 PM
To: Raslan Darawsheh <[email protected]>
Cc: [email protected]
Subject: Re: [dpdk-users] Enable MLX5 driver v20.11

Thanks,
I updated my MLNX_OFED to 5.1-2.5.8.0, which was tested against for this DPDK 
release.
To install, I ran ./mlnxofedinstall --dpdk --upstream-libs --with-mft 
--with-kernel-mft
then /etc/init.d/openibd restart
Now, ninja install gives me ../drivers/net/mlx4/mlx4_glue.h:16:10: fatal error: 
infiniband/mlx4dv.h: No such file or directory

What other steps am I missing?

On Sun, Dec 13, 2020 at 12:35 AM Raslan Darawsheh 
<[email protected]<mailto:[email protected]>> wrote:
Hi Gerry,

Starting V20.11 the build system was switched to use meson only,
And if you have necessary packages for MLX5 (a.k. rdma-core) it will be built 
automatically.

As for your question if you still don't need to bind mlx5 driver that's true, 
its still valid.

Kindest regards,
Raslan Darawsheh

> -----Original Message-----
> From: users <[email protected]<mailto:[email protected]>> On Behalf 
> Of Gerry Wan
> Sent: Sunday, December 13, 2020 1:22 AM
> To: [email protected]<mailto:[email protected]>
> Subject: [dpdk-users] Enable MLX5 driver v20.11
>
> Hello,
> I am trying to update my DPDK version from 20.08 to 20.11. I am using the
> mlx5 driver, and previously to enable it I had to set
> CONFIG_RTE_LIBRTE_MLX5_PMD=y in config/common_base. In 20.11, I see
> no
> option to do so. I was able to build my application (and the sample
> applications), but running rte_eth_dev_count_avail() returns 0 and cannot
> find any ports.
>
> The steps I did to build DPDK from source were:
>
> $ meson build
>
> $ cd build
>
> $ sudo ninja install
>
> $ sudo ldconfig
>
>
> Normally I would edit dpdk-20.xx/config/common_base before meson build,
> but
> that file is gone.
>
> What are the steps I need to take to enable mlx5 driver? I also recall that
> I don't need to bind the mlx5 driver, is that still the case?
>
> Thanks

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