bpf/prog_tests/tc_bpf.c

26 static int test_tc_bpf_basic(const struct bpf_tc_hook *hook, int fd)
37 	ret = bpf_tc_attach(hook, &opts);
48 	ret = bpf_tc_attach(hook, &opts);
53 	ret = bpf_tc_query(hook, &opts);
64 	ret = bpf_tc_detach(hook, &opts);
69 static int test_tc_bpf_api(struct bpf_tc_hook *hook, int fd)
77 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_create invalid hook = NULL"))
80 	/* hook ifindex = 0 */
82 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_create invalid hook ifindex == 0"))
86 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_destroy invalid hook ifindex == 0"))
90 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid hook ifindex == 0"))
95 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid hook ifindex == 0"))
99 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid hook ifindex == 0"))
102 	/* hook ifindex < 0 */
106 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_create invalid hook ifindex < 0"))
110 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_destroy invalid hook ifindex < 0"))
114 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid hook ifindex < 0"))
119 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid hook ifindex < 0"))
123 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid hook ifindex < 0"))
128 	/* hook.attach_point invalid */
131 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_create invalid hook.attach_point"))
135 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_destroy invalid hook.attach_point"))
139 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid hook.attach_point"))
143 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid hook.attach_point"))
147 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid hook.attach_point"))
152 	/* hook.attach_point valid, but parent invalid */
155 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_create invalid hook parent"))
159 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_hook_destroy invalid hook parent"))
163 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid hook parent"))
167 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid hook parent"))
171 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid hook parent"))
177 	 * attach_point of the hook.
180 	if (!ASSERT_EQ(ret, -EOPNOTSUPP, "bpf_tc_hook_create invalid hook parent"))
184 	if (!ASSERT_EQ(ret, -EOPNOTSUPP, "bpf_tc_hook_destroy invalid hook parent"))
188 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid hook parent"))
192 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid hook parent"))
196 	if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid hook parent"))
206 		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_detach invalid hook = NULL"))
209 		ret = bpf_tc_detach(hook, NULL);
213 		ret = bpf_tc_detach(hook, &opts_hpr);
217 		ret = bpf_tc_detach(hook, &opts_hpf);
221 		ret = bpf_tc_detach(hook, &opts_hpi);
225 		ret = bpf_tc_detach(hook, &opts_p);
229 		ret = bpf_tc_detach(hook, &opts_h);
233 		ret = bpf_tc_detach(hook, &opts_prio_max);
243 		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_query invalid hook = NULL"))
246 		ret = bpf_tc_query(hook, NULL);
250 		ret = bpf_tc_query(hook, &opts_hpr);
254 		ret = bpf_tc_query(hook, &opts_hpf);
258 		ret = bpf_tc_query(hook, &opts_hpi);
262 		ret = bpf_tc_query(hook, &opts_p);
266 		ret = bpf_tc_query(hook, &opts_h);
270 		ret = bpf_tc_query(hook, &opts_prio_max);
275 		ret = bpf_tc_query(hook, &opts_hp);
285 		if (!ASSERT_EQ(ret, -EINVAL, "bpf_tc_attach invalid hook = NULL"))
288 		ret = bpf_tc_attach(hook, NULL);
293 		ret = bpf_tc_attach(hook, &opts_hp);
297 		ret = bpf_tc_attach(hook, NULL);
301 		ret = bpf_tc_attach(hook, &opts_hpi);
305 		ret = bpf_tc_attach(hook, &opts_pf);
309 		ASSERT_OK(bpf_tc_detach(hook, &opts_pf), "bpf_tc_detach");
311 		ret = bpf_tc_attach(hook, &opts_hf);
315 		ASSERT_OK(bpf_tc_detach(hook, &opts_hf), "bpf_tc_detach");
317 		ret = bpf_tc_attach(hook, &opts_prio_max);
321 		ret = bpf_tc_attach(hook, &opts_f);
325 		ASSERT_OK(bpf_tc_detach(hook, &opts_f), "bpf_tc_detach");
333 	DECLARE_LIBBPF_OPTS(bpf_tc_hook, hook, .ifindex = LO_IFINDEX,
345 	ret = bpf_tc_hook_create(&hook);
353 	hook.attach_point = BPF_TC_CUSTOM;
354 	hook.parent = TC_H_MAKE(TC_H_CLSACT, TC_H_MIN_INGRESS);
355 	ret = bpf_tc_hook_create(&hook);
356 	if (!ASSERT_EQ(ret, -EOPNOTSUPP, "bpf_tc_hook_create invalid hook.attach_point"))
359 	ret = test_tc_bpf_basic(&hook, cls_fd);
363 	ret = bpf_tc_hook_destroy(&hook);
364 	if (!ASSERT_EQ(ret, -EOPNOTSUPP, "bpf_tc_hook_destroy invalid hook.attach_point"))
367 	hook.attach_point = BPF_TC_INGRESS;
368 	hook.parent = 0;
369 	bpf_tc_hook_destroy(&hook);
371 	ret = test_tc_bpf_basic(&hook, cls_fd);
375 	bpf_tc_hook_destroy(&hook);
377 	hook.attach_point = BPF_TC_EGRESS;
378 	ret = test_tc_bpf_basic(&hook, cls_fd);
382 	bpf_tc_hook_destroy(&hook);
384 	ret = test_tc_bpf_api(&hook, cls_fd);
388 	bpf_tc_hook_destroy(&hook);
392 		hook.attach_point = BPF_TC_INGRESS | BPF_TC_EGRESS;
393 		bpf_tc_hook_destroy(&hook);