On Wed, Jan 11, 2023 at 10:35:22AM +0100, Magnus Karlsson wrote: > +xsk_xdp_progs.skel.h-deps := xsk_xdp_progs.bpf.o ... > diff --git a/tools/testing/selftests/bpf/progs/xsk_xdp_progs.c b/tools/testing/selftests/bpf/progs/xsk_xdp_progs.c > new file mode 100644 > index 000000000000..698176882ac6 > --- /dev/null > +++ b/tools/testing/selftests/bpf/progs/xsk_xdp_progs.c > @@ -0,0 +1,19 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* Copyright (c) 2022 Intel */ > + > +#include <linux/bpf.h> > +#include <bpf/bpf_helpers.h> > + > +struct { > + __uint(type, BPF_MAP_TYPE_XSKMAP); > + __uint(max_entries, 1); > + __uint(key_size, sizeof(int)); > + __uint(value_size, sizeof(int)); > +} xsk SEC(".maps"); > + > +SEC("xdp") int xsk_def_prog(struct xdp_md *xdp) > +{ > + return bpf_redirect_map(&xsk, 0, XDP_DROP); > +} ... > +#include "xsk_xdp_progs.skel.h" Nice. Glad you found it useful. Clearly helps the next patch ;)