1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/if_link.h>
 3#include <test_progs.h>
 4
 5#define IFINDEX_LO 1
 6
 7void serial_test_xdp_info(void)
 8{
 9	__u32 len = sizeof(struct bpf_prog_info), duration = 0, prog_id;
10	const char *file = "./xdp_dummy.bpf.o";
11	LIBBPF_OPTS(bpf_xdp_query_opts, opts);
12	struct bpf_prog_info info = {};
13	struct bpf_object *obj;
14	int err, prog_fd;
15
16	/* Get prog_id for XDP_ATTACHED_NONE mode */
17
18	err = bpf_xdp_query_id(IFINDEX_LO, 0, &prog_id);
19	if (CHECK(err, "get_xdp_none", "errno=%d\n", errno))
20		return;
21	if (CHECK(prog_id, "prog_id_none", "unexpected prog_id=%u\n", prog_id))
22		return;
23
24	err = bpf_xdp_query_id(IFINDEX_LO, XDP_FLAGS_SKB_MODE, &prog_id);
25	if (CHECK(err, "get_xdp_none_skb", "errno=%d\n", errno))
26		return;
27	if (CHECK(prog_id, "prog_id_none_skb", "unexpected prog_id=%u\n",
28		  prog_id))
29		return;
30
31	/* Setup prog */
32
33	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
34	if (CHECK_FAIL(err))
35		return;
36
37	err = bpf_prog_get_info_by_fd(prog_fd, &info, &len);
38	if (CHECK(err, "get_prog_info", "errno=%d\n", errno))
39		goto out_close;
40
41	err = bpf_xdp_attach(IFINDEX_LO, prog_fd, XDP_FLAGS_SKB_MODE, NULL);
42	if (CHECK(err, "set_xdp_skb", "errno=%d\n", errno))
43		goto out_close;
44
45	/* Get prog_id for single prog mode */
46
47	err = bpf_xdp_query_id(IFINDEX_LO, 0, &prog_id);
48	if (CHECK(err, "get_xdp", "errno=%d\n", errno))
49		goto out;
50	if (CHECK(prog_id != info.id, "prog_id", "prog_id not available\n"))
51		goto out;
52
53	err = bpf_xdp_query_id(IFINDEX_LO, XDP_FLAGS_SKB_MODE, &prog_id);
54	if (CHECK(err, "get_xdp_skb", "errno=%d\n", errno))
55		goto out;
56	if (CHECK(prog_id != info.id, "prog_id_skb", "prog_id not available\n"))
57		goto out;
58
59	err = bpf_xdp_query_id(IFINDEX_LO, XDP_FLAGS_DRV_MODE, &prog_id);
60	if (CHECK(err, "get_xdp_drv", "errno=%d\n", errno))
61		goto out;
62	if (CHECK(prog_id, "prog_id_drv", "unexpected prog_id=%u\n", prog_id))
63		goto out;
64
65	/* Check xdp features supported by lo device */
66	opts.feature_flags = ~0;
67	err = bpf_xdp_query(IFINDEX_LO, XDP_FLAGS_DRV_MODE, &opts);
68	if (!ASSERT_OK(err, "bpf_xdp_query"))
69		goto out;
70
71	ASSERT_EQ(opts.feature_flags, 0, "opts.feature_flags");
72out:
73	bpf_xdp_detach(IFINDEX_LO, 0, NULL);
74out_close:
75	bpf_object__close(obj);
76}

 1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/if_link.h>
 3#include <test_progs.h>
 4
 5#define IFINDEX_LO 1
 6
 7void serial_test_xdp_info(void)
 8{
 9	__u32 len = sizeof(struct bpf_prog_info), duration = 0, prog_id;
10	const char *file = "./xdp_dummy.bpf.o";
 
11	struct bpf_prog_info info = {};
12	struct bpf_object *obj;
13	int err, prog_fd;
14
15	/* Get prog_id for XDP_ATTACHED_NONE mode */
16
17	err = bpf_xdp_query_id(IFINDEX_LO, 0, &prog_id);
18	if (CHECK(err, "get_xdp_none", "errno=%d\n", errno))
19		return;
20	if (CHECK(prog_id, "prog_id_none", "unexpected prog_id=%u\n", prog_id))
21		return;
22
23	err = bpf_xdp_query_id(IFINDEX_LO, XDP_FLAGS_SKB_MODE, &prog_id);
24	if (CHECK(err, "get_xdp_none_skb", "errno=%d\n", errno))
25		return;
26	if (CHECK(prog_id, "prog_id_none_skb", "unexpected prog_id=%u\n",
27		  prog_id))
28		return;
29
30	/* Setup prog */
31
32	err = bpf_prog_test_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
33	if (CHECK_FAIL(err))
34		return;
35
36	err = bpf_obj_get_info_by_fd(prog_fd, &info, &len);
37	if (CHECK(err, "get_prog_info", "errno=%d\n", errno))
38		goto out_close;
39
40	err = bpf_xdp_attach(IFINDEX_LO, prog_fd, XDP_FLAGS_SKB_MODE, NULL);
41	if (CHECK(err, "set_xdp_skb", "errno=%d\n", errno))
42		goto out_close;
43
44	/* Get prog_id for single prog mode */
45
46	err = bpf_xdp_query_id(IFINDEX_LO, 0, &prog_id);
47	if (CHECK(err, "get_xdp", "errno=%d\n", errno))
48		goto out;
49	if (CHECK(prog_id != info.id, "prog_id", "prog_id not available\n"))
50		goto out;
51
52	err = bpf_xdp_query_id(IFINDEX_LO, XDP_FLAGS_SKB_MODE, &prog_id);
53	if (CHECK(err, "get_xdp_skb", "errno=%d\n", errno))
54		goto out;
55	if (CHECK(prog_id != info.id, "prog_id_skb", "prog_id not available\n"))
56		goto out;
57
58	err = bpf_xdp_query_id(IFINDEX_LO, XDP_FLAGS_DRV_MODE, &prog_id);
59	if (CHECK(err, "get_xdp_drv", "errno=%d\n", errno))
60		goto out;
61	if (CHECK(prog_id, "prog_id_drv", "unexpected prog_id=%u\n", prog_id))
62		goto out;
63
 
 
 
 
 
 
 
64out:
65	bpf_xdp_detach(IFINDEX_LO, 0, NULL);
66out_close:
67	bpf_object__close(obj);
68}