selftests/hid/hid_bpf.c

465 static void detach_bpf(FIXTURE_DATA(hid_bpf) * self)
469 	if (self->hidraw_fd)
470 		close(self->hidraw_fd);
471 	self->hidraw_fd = 0;
473 	for (i = 0; i < ARRAY_SIZE(self->hid_links); i++) {
474 		if (self->hid_links[i])
475 			close(self->hid_links[i]);
478 	hid__destroy(self->skel);
479 	self->skel = NULL;
485 	uhid_destroy(_metadata, self->uhid_fd);
487 	detach_bpf(self);
488 	pthread_join(self->tid, &uhid_err);
492 	hid_bpf_teardown(_metadata, self, variant); \
503 	self->dev_id = rand() % 1024;
505 	self->uhid_fd = setup_uhid(_metadata, self->dev_id);
507 	/* locate the uev, self, variant);ent file of the created device */
508 	self->hid_id = get_hid_id(self->dev_id);
509 	ASSERT_GT(self->hid_id, 0)
510 		TEARDOWN_LOG("Could not locate uhid device id: %d", self->hid_id);
512 	err = uhid_start_listener(_metadata, &self->tid, self->uhid_fd);
521 	load_programs(progs, ARRAY_SIZE(progs), _metadata, self, variant)
523 	load_programs(NULL, 0, _metadata, self, variant)
527 			  FIXTURE_DATA(hid_bpf) * self,
539 	ASSERT_LE(progs_count, ARRAY_SIZE(self->hid_links))
543 	self->skel = hid__open();
544 	ASSERT_OK_PTR(self->skel) TEARDOWN_LOG("Error while calling hid__open");
549 		prog = bpf_object__find_program_by_name(*self->skel->skeleton->obj,
556 	err = hid__load(self->skel);
559 	attach_fd = bpf_program__fd(self->skel->progs.attach_prog);
565 		prog = bpf_object__find_program_by_name(*self->skel->skeleton->obj,
570 		args.hid = self->hid_id;
576 		self->hid_links[i] = args.retval;
579 	self->hidraw_fd = open_hidraw(self->dev_id);
580 	ASSERT_GE(self->hidraw_fd, 0) TH_LOG("open_hidraw");
608 	ASSERT_EQ(self->skel->data->callback_check, 52) TH_LOG("callback_check1");
609 	ASSERT_EQ(self->skel->data->callback2_check, 52) TH_LOG("callback2_check1");
614 	uhid_send_event(_metadata, self->uhid_fd, buf, 6);
617 	ASSERT_EQ(self->skel->data->callback_check, 42) TH_LOG("callback_check1");
621 	err = read(self->hidraw_fd, buf, sizeof(buf));
630 	uhid_send_event(_metadata, self->uhid_fd, buf, 6);
633 	ASSERT_EQ(self->skel->data->callback_check, 47) TH_LOG("callback_check1");
637 	err = read(self->hidraw_fd, buf, sizeof(buf));
656 	link = self->hid_links[0];
662 	uhid_send_event(_metadata, self->uhid_fd, buf, 6);
666 	err = read(self->hidraw_fd, buf, sizeof(buf));
683 	detach_bpf(self);
685 	self->hidraw_fd = open_hidraw(self->dev_id);
686 	ASSERT_GE(self->hidraw_fd, 0) TH_LOG("open_hidraw");
692 	uhid_send_event(_metadata, self->uhid_fd, buf, 6);
696 	err = read(self->hidraw_fd, buf, sizeof(buf));
711 	uhid_send_event(_metadata, self->uhid_fd, buf, 6);
715 	err = read(self->hidraw_fd, buf, sizeof(buf));
741 	uhid_send_event(_metadata, self->uhid_fd, buf, 6);
745 	err = read(self->hidraw_fd, buf, sizeof(buf));
771 	args.hid = self->hid_id;
776 	prog_fd = bpf_program__fd(self->skel->progs.hid_user_input_report);
780 	err = read(self->hidraw_fd, buf, sizeof(buf));
791 	err = read(self->hidraw_fd, buf, sizeof(buf));
817 	args.hid = self->hid_id;
822 	prog_fd = bpf_program__fd(self->skel->progs.hid_user_output_report);
865 	args.hid = self->hid_id;
868 	prog_fd = bpf_program__fd(self->skel->progs.hid_user_raw_request);
907 	uhid_send_event(_metadata, self->uhid_fd, buf, 6);
911 	err = read(self->hidraw_fd, buf, sizeof(buf));
934 	ASSERT_EQ(self->skel->data->callback2_check, 0x21);
937 	err = ioctl(self->hidraw_fd, HIDIOCGRDESCSIZE, &desc_size);
944 	err = ioctl(self->hidraw_fd, HIDIOCGRDESC, &rpt_desc);