selftests: net: use the dummy bpf from net/lib

Commit 29b036be1b0b ("selftests: drv-net: test XDP, HDS auto and
the ioctl path") added an sample XDP_PASS prog in net/lib, so
that we can reuse it in various sub-directories. Delete the old
sample and use the one from the lib in existing tests.

Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250327222315.1098596-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2 files changed, 1 insertions, 14 deletions

diff --git a/tools/testing/selftests/drivers/net/hw/irq.py b/tools/testing/selftests/drivers/net/hw/irq.py
index d772a18d8a1b..0699d6a8b4e2 100755
--- a/tools/testing/selftests/drivers/net/hw/irq.py
+++ b/tools/testing/selftests/drivers/net/hw/irq.py
@@ -69,7 +69,7 @@ def check_reconfig_queues(cfg) -> None:
 def check_reconfig_xdp(cfg) -> None:
     def reconfig(cfg) -> None:
         ip(f"link set dev %s xdp obj %s sec xdp" %
-           (cfg.ifname, cfg.test_dir / "xdp_dummy.bpf.o"))
+           (cfg.ifname, cfg.net_lib_dir / "xdp_dummy.bpf.o"))
         ip(f"link set dev %s xdp off" % cfg.ifname)
 
     _check_reconfig(cfg, reconfig)
diff --git a/tools/testing/selftests/drivers/net/hw/xdp_dummy.bpf.c b/tools/testing/selftests/drivers/net/hw/xdp_dummy.bpf.c
deleted file mode 100644
index d988b2e0cee8..000000000000
--- a/tools/testing/selftests/drivers/net/hw/xdp_dummy.bpf.c
+++ /dev/null
@@ -1,13 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-
-#define KBUILD_MODNAME "xdp_dummy"
-#include <linux/bpf.h>
-#include <bpf/bpf_helpers.h>
-
-SEC("xdp")
-int xdp_dummy_prog(struct xdp_md *ctx)
-{
-	return XDP_PASS;
-}
-
-char _license[] SEC("license") = "GPL";