[PATCH v4 4/7] net/tap: rewrite the RSS BPF program

[Stephen Hemminger]

On Wed, 28 Feb 2024 17:27:31 +0000
Ferruh Yigit <ferruh.yigit at amd.com> wrote:

> > 
> > shemminger at ubuntu-22-04:~/dpdk$ sudo apt install libbpf-dev bpftool
> > Reading package lists... Done
> > Building dependency tree... Done
> > Reading state information... Done
> > Package bpftool is a virtual package provided by:
> >   linux-nvidia-6.2-tools-common 6.2.0-1003.3~22.04.1
> >   linux-lowlatency-hwe-6.5-tools-common 6.5.0-17.17.1.1.1~22.04.1
> >   linux-hwe-6.5-tools-common 6.5.0-17.17~22.04.1
> >   linux-hwe-6.2-tools-common 6.2.0-39.40~22.04.1
> > You should explicitly select one to install.
> >   
> 
> I can make it work but it can hit others too, we need something that
> detects this condition and disables tap/bpf.

The meson rule checks for bpftool and when it doesn't find a working
version it skips building the BPF RSS stuff.