[dpdk-users] Building mlx5 with rdma-core/OFED

[PATRICK KEROULAS]

Hello Gerry,
I went through this a while ago and had to properly remove everything
related
to OFED with the uninstaller. Then, install rdma-core and libibverbs-dev
which
includes infiniband/mlx5dv.h IIRC.
Regards,
Patrick

On Sun, Aug 1, 2021 at 8:23 PM Gerry Wan <gerryw at stanford.edu> wrote:

> I recently tried to reinstall MLX OFED 5.2-2.2.0.0 on my bare metal machine
> Ubuntu 20.04 (previously using the command ./mlnxofedinstall --dpdk
> --upstream-libs --with-mft --with-kernel-mft). However, it now fails with
> the message
>
> Checking SW Requirements...
> Removing old packages...
> Uninstalling the previous version of MLNX_OFED_LINUX
> Installing new packages Installing mft-4.16.1...
> Installing ofed-scripts-5.2...
> Installing mstflint-4.15.0...
> Installing mlnx-ofed-kernel-utils-5.2...
> Installing mlnx-ofed-kernel-dkms-5.2...
> Failed to install mlnx-ofed-kernel-dkms DEB
> Collecting debug info...
> See /tmp/MLNX_OFED_LINUX.9221.logs/mlnx-ofed-kernel-dkms.debinstall.log
>
> It appears that my kernel version got upgraded to 5.4.0-80-generic which I
> think may be the issue. I've also tried to install using
> --add-kernel-support --kernel 5.4.0-80-generic, with no luck.
>
> The DPDK website says that rdma-core is now recommended over OFED, but the
> documentation for how to use it isn't very clear to me. I've tried to
> install it via
>
> apt-get install rdma-core
>
> as well as running the quick start script listed here:
> https://github.com/linux-rdma/rdma-core
> <https://github.com/linux-rdma/rdma-core>,
> but DPDK installation still fails
> with
>
> ../drivers/common/mlx5/linux/mlx5_glue.h:15:10: fatal error:
> infiniband/mlx5dv.h: No such file or directory
> 15 | #include <infiniband/mlx5dv.h>
>
> Any advice on getting the mlx5 drivers to work again would be helpful!
>