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

[Thomas Monjalon]

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?