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 (err) {
14 		error_cnt++;
15 		return;
16 	}
17 
18 	err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
19 				buf, &size, &retval, &duration);
20 
21 	CHECK(err || retval != XDP_DROP,
22 	      "ipv4", "err %d errno %d retval %d size %d\n",
23 	      err, errno, retval, size);
24 
25 	err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),
26 				buf, &size, &retval, &duration);
27 	CHECK(err || retval != XDP_TX || size != 54,
28 	      "ipv6", "err %d errno %d retval %d size %d\n",
29 	      err, errno, retval, size);
30 	bpf_object__close(obj);
31 }
32