1 // SPDX-License-Identifier: GPL-2.0
2 #include <test_progs.h>
3 
4 void test_xdp_adjust_tail(void)
5 {
6 	const char *file = "./test_adjust_tail.o";
7 	struct bpf_object *obj;
8 	char buf[128];
9 	__u32 duration, retval, size;
10 	int err, prog_fd;
11 
12 	err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
13 	if (CHECK_FAIL(err))
14 		return;
15 
16 	err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
17 				buf, &size, &retval, &duration);
18 
19 	CHECK(err || retval != XDP_DROP,
20 	      "ipv4", "err %d errno %d retval %d size %d\n",
21 	      err, errno, retval, size);
22 
23 	err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),
24 				buf, &size, &retval, &duration);
25 	CHECK(err || retval != XDP_TX || size != 54,
26 	      "ipv6", "err %d errno %d retval %d size %d\n",
27 	      err, errno, retval, size);
28 	bpf_object__close(obj);
29 }
30