1// SPDX-License-Identifier: GPL-2.0
 2#include <test_progs.h>
 3
 4void 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}