1 // SPDX-License-Identifier: GPL-2.0
2 /* Converted from tools/testing/selftests/bpf/verifier/xdp.c */
3
4 #include <linux/bpf.h>
5 #include <bpf/bpf_helpers.h>
6 #include "bpf_misc.h"
7
8 SEC("xdp")
9 __description("XDP, using ifindex from netdev")
10 __success __retval(1)
11 __naked void xdp_using_ifindex_from_netdev(void)
12 {
13 asm volatile (" \
14 r0 = 0; \
15 r2 = *(u32*)(r1 + %[xdp_md_ingress_ifindex]); \
16 if r2 < 1 goto l0_%=; \
17 r0 = 1; \
18 l0_%=: exit; \
19 " :
20 : __imm_const(xdp_md_ingress_ifindex, offsetof(struct xdp_md, ingress_ifindex))
21 : __clobber_all);
22 }
23
24 char _license[] SEC("license") = "GPL";
25
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