aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/tools/testing/selftests/bpf/progs/verifier_xdp.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--tools/testing/selftests/bpf/progs/verifier_xdp.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/verifier_xdp.c b/tools/testing/selftests/bpf/progs/verifier_xdp.c
new file mode 100644
index 000000000000..50768ed179b3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/verifier_xdp.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Converted from tools/testing/selftests/bpf/verifier/xdp.c */
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+SEC("xdp")
+__description("XDP, using ifindex from netdev")
+__success __retval(1)
+__naked void xdp_using_ifindex_from_netdev(void)
+{
+ asm volatile (" \
+ r0 = 0; \
+ r2 = *(u32*)(r1 + %[xdp_md_ingress_ifindex]); \
+ if r2 < 1 goto l0_%=; \
+ r0 = 1; \
+l0_%=: exit; \
+" :
+ : __imm_const(xdp_md_ingress_ifindex, offsetof(struct xdp_md, ingress_ifindex))
+ : __clobber_all);
+}
+
+char _license[] SEC("license") = "GPL";