[PATCH] net/af_xdp: fix custom program loading with multiple queues

[Loftus, Ciara]

> 
> 10/03/2022 09:49, Loftus, Ciara:
> > > When the PMD is configured to load a custom XDP program, it sets
> > > XSK_LIBBPF_FLAGS__INHIBIT_PROG_LOAD flag to prevent libbpf from
> > > loading its default XDP program. However, when queue_count is set to
> > > greater than 1, this flag is only set for the first XSK socket but not
> > > for subsequent XSK sockets. This causes XSK socket creation failure.
> > >
> > > This commit ensures that XSK_LIBBPF_FLAGS__INHIBIT_PROG_LOAD flag
> is
> > > set for all XSK socket creations when custom XDP program is being used.
> > >
> > > Fixes: 01fa83c94d7e ("net/af_xdp: workaround custom program loading")
> > >
> > > Signed-off-by: Junxiao Shi <git at mail1.yoursunny.com>
> >
> > Thanks for the patch!
> > It's probably too late to make it into 22.03 but cc-ing stable as it should be
> backported to 21.11.x.
> >
> > Acked-by: Ciara Loftus <ciara.loftus at intel.com>
> 
> I can take it in -rc4. How much are you confident there is no regression?
> 

Thanks. I am confident there is no regression.