unix_seqpacket_test.c revision 292820
1/*-
2 * Copyright (c) 2014 Spectra Logic Corporation. All rights reserved.
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions
5 * are met:
6 * 1. Redistributions of source code must retain the above copyright
7 *    notice, this list of conditions and the following disclaimer.
8 * 2. Redistributions in binary form must reproduce the above copyright
9 *    notice, this list of conditions and the following disclaimer in the
10 *    documentation and/or other materials provided with the distribution.
11 *
12 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
13 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
14 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
15 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
16 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
17 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
18 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
19 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
20 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
21 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
22 * SUCH DAMAGE.
23 */
24
25#include <sys/cdefs.h>
26__FBSDID("$FreeBSD: head/tests/sys/kern/unix_seqpacket_test.c 292820 2015-12-28 02:28:12Z ngie $");
27
28#include <errno.h>
29#include <fcntl.h>
30#include <pthread.h>
31#include <signal.h>
32#include <sys/socket.h>
33#include <sys/un.h>
34
35#include <stdio.h>
36
37#include <atf-c.h>
38
39/*
40 * Helper functions
41 */
42
43#define MIN(x, y)	((x) < (y) ? (x) : (y))
44#define MAX(x, y)	((x) > (y) ? (x) : (y))
45
46static void
47do_socketpair(int *sv)
48{
49	int s;
50
51	s = socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sv);
52	ATF_REQUIRE_EQ(0, s);
53	ATF_REQUIRE(sv[0] >= 0);
54	ATF_REQUIRE(sv[1] >= 0);
55	ATF_REQUIRE(sv[0] != sv[1]);
56}
57
58static void
59do_socketpair_nonblocking(int *sv)
60{
61	int s;
62
63	s = socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sv);
64	ATF_REQUIRE_EQ(0, s);
65	ATF_REQUIRE(sv[0] >= 0);
66	ATF_REQUIRE(sv[1] >= 0);
67	ATF_REQUIRE(sv[0] != sv[1]);
68	ATF_REQUIRE(-1 != fcntl(sv[0], F_SETFL, O_NONBLOCK));
69	ATF_REQUIRE(-1 != fcntl(sv[1], F_SETFL, O_NONBLOCK));
70}
71
72/*
73 * Returns a pair of sockets made the hard way: bind, listen, connect & accept
74 * @return	const char* The path to the socket
75 */
76static const char*
77mk_pair_of_sockets(int *sv)
78{
79	struct sockaddr_un sun;
80	/* ATF's isolation mechanisms will guarantee uniqueness of this file */
81	const char *path = "sock";
82	int s, err, s2, s1;
83
84	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
85	ATF_REQUIRE(s >= 0);
86
87	bzero(&sun, sizeof(sun));
88	sun.sun_family = AF_LOCAL;
89	sun.sun_len = sizeof(sun);
90	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
91	err = bind(s, (struct sockaddr *)&sun, sizeof(sun));
92	err = listen(s, -1);
93	ATF_CHECK_EQ(0, err);
94
95	/* Create the other socket */
96	s2 = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
97	ATF_REQUIRE(s2 >= 0);
98	err = connect(s2, (struct sockaddr*)&sun, sizeof(sun));
99	if (err != 0) {
100		perror("connect");
101		atf_tc_fail("connect(2) failed");
102	}
103
104	/* Accept it */
105	s1 = accept(s, NULL, NULL);
106	if (s1 == -1) {
107		perror("accept");
108		atf_tc_fail("accept(2) failed");
109	}
110
111	sv[0] = s1;
112	sv[1] = s2;
113
114	close(s);
115
116	return (path);
117}
118
119static volatile sig_atomic_t got_sigpipe = 0;
120static void
121shutdown_send_sigpipe_handler(int __unused x)
122{
123	got_sigpipe = 1;
124}
125
126/*
127 * Parameterized test function bodies
128 */
129static void
130test_eagain(size_t sndbufsize, size_t rcvbufsize)
131{
132	int i;
133	int sv[2];
134	const size_t totalsize = (sndbufsize + rcvbufsize) * 2;
135	const size_t pktsize = MIN(sndbufsize, rcvbufsize) / 4;
136	const int numpkts = totalsize / pktsize;
137	char sndbuf[pktsize];
138	ssize_t ssize;
139
140	/* setup the socket pair */
141	do_socketpair_nonblocking(sv);
142	/* Setup the buffers */
143	ATF_REQUIRE_EQ(0, setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbufsize,
144	    sizeof(sndbufsize)));
145	ATF_REQUIRE_EQ(0, setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rcvbufsize,
146	    sizeof(rcvbufsize)));
147
148	bzero(sndbuf, pktsize);
149	/* Send data until we get EAGAIN */
150	for(i=0; i < numpkts; i++) {
151		ssize = send(sv[0], sndbuf, pktsize, MSG_EOR);
152		if (ssize == -1) {
153			if (errno == EAGAIN) {
154				close(sv[0]);
155				close(sv[1]);
156				atf_tc_pass();
157			}
158			else {
159				perror("send");
160				atf_tc_fail("send returned < 0 but not EAGAIN");
161			}
162		}
163	}
164	atf_tc_fail("Never got EAGAIN");
165}
166
167static void
168test_sendrecv_symmetric_buffers(size_t bufsize, int blocking) {
169	int s;
170	int sv[2];
171	const ssize_t pktsize = bufsize / 2;
172	char sndbuf[pktsize];
173	char recv_buf[pktsize];
174	ssize_t ssize, rsize;
175
176	/* setup the socket pair */
177	if (blocking)
178		do_socketpair(sv);
179	else
180		do_socketpair_nonblocking(sv);
181
182	/* Setup the buffers */
183	s = setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &bufsize, sizeof(bufsize));
184	ATF_REQUIRE_EQ(0, s);
185	s = setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &bufsize, sizeof(bufsize));
186	ATF_REQUIRE_EQ(0, s);
187
188	/* Fill the send buffer */
189	bzero(sndbuf, pktsize);
190
191	/* send and receive the packet */
192	ssize = send(sv[0], sndbuf, pktsize, MSG_EOR);
193	if (ssize < 0) {
194		perror("send");
195		atf_tc_fail("send returned < 0");
196	}
197	ATF_CHECK_EQ_MSG(pktsize, ssize, "expected %zd=send(...) but got %zd",
198	    pktsize, ssize);
199
200	rsize = recv(sv[1], recv_buf, pktsize, MSG_WAITALL);
201	if (rsize < 0) {
202		perror("recv");
203		atf_tc_fail("recv returned < 0");
204	}
205	ATF_CHECK_EQ_MSG(pktsize, rsize, "expected %zd=send(...) but got %zd",
206	    pktsize, rsize);
207	close(sv[0]);
208	close(sv[1]);
209}
210
211static void
212test_pipe_simulator(size_t sndbufsize, size_t rcvbufsize)
213{
214	int num_sent, num_received;
215	int sv[2];
216	const ssize_t pktsize = MIN(sndbufsize, rcvbufsize) / 4;
217	int numpkts;
218	char sndbuf[pktsize];
219	char rcvbuf[pktsize];
220	char comparebuf[pktsize];
221	ssize_t ssize, rsize;
222	bool currently_sending = true;
223
224	/* setup the socket pair */
225	do_socketpair_nonblocking(sv);
226	/* Setup the buffers */
227	ATF_REQUIRE_EQ(0, setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbufsize,
228	    sizeof(sndbufsize)));
229	ATF_REQUIRE_EQ(0, setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rcvbufsize,
230	    sizeof(rcvbufsize)));
231
232	/* Send a total amount of data comfortably greater than the buffers */
233	numpkts = MAX(sndbufsize, rcvbufsize) * 8 / pktsize;
234	for (num_sent=0, num_received=0;
235	     num_sent < numpkts || num_received < numpkts; ) {
236		if (currently_sending && num_sent < numpkts) {
237			/* The simulated sending process */
238			/* fill the buffer */
239			memset(sndbuf, num_sent, pktsize);
240			ssize = send(sv[0], sndbuf, pktsize, MSG_EOR);
241			if (ssize < 0) {
242				/*
243				 * XXX: This is bug-compatible with the kernel.
244				 * The kernel returns EMSGSIZE when it should
245				 * return EAGAIN
246				 */
247				if (errno == EAGAIN || errno == EMSGSIZE)
248					currently_sending = false;
249				else {
250					perror("send");
251					atf_tc_fail("send failed");
252				}
253			} else  {
254				ATF_CHECK_EQ_MSG(pktsize, ssize,
255				    "expected %zd=send(...) but got %zd",
256				    pktsize, ssize);
257				num_sent++;
258			}
259		} else {
260			/* The simulated receiving process */
261			rsize = recv(sv[1], rcvbuf, pktsize, MSG_WAITALL);
262			if (rsize < 0) {
263				if (errno == EAGAIN) {
264					currently_sending = true;
265					ATF_REQUIRE_MSG(num_sent < numpkts,
266					    "Packets were lost!");
267				}
268				else {
269					perror("recv");
270					atf_tc_fail("recv failed");
271				}
272			} else  {
273				ATF_CHECK_EQ_MSG(pktsize, rsize,
274				    "expected %zd=recv(...) but got %zd",
275				    pktsize, rsize);
276				memset(comparebuf, num_received, pktsize);
277				ATF_CHECK_EQ_MSG(0, memcmp(comparebuf, rcvbuf,
278				    			   pktsize),
279				    "Received data miscompare");
280				num_received++;
281			}
282		}
283	}
284	close(sv[0]);
285	close(sv[1]);
286}
287
288typedef struct {
289	ssize_t	pktsize;
290	int	numpkts;
291	int	so;
292} test_pipe_thread_data_t;
293
294static void*
295test_pipe_writer(void* args)
296{
297	test_pipe_thread_data_t* td = args;
298	char sndbuf[td->pktsize];
299	ssize_t ssize;
300	int i;
301
302	for(i=0; i < td->numpkts; i++) {
303			memset(sndbuf, i, td->pktsize);
304			ssize = send(td->so, sndbuf, td->pktsize, MSG_EOR);
305			if (ssize < 0) {
306				perror("send");
307				atf_tc_fail("send returned < 0");
308			}
309			ATF_CHECK_EQ_MSG(td->pktsize, ssize,
310			    		 "expected %zd=send(...) but got %zd",
311			    		  td->pktsize, ssize);
312	}
313	return (0);
314}
315
316static void*
317test_pipe_reader(void* args)
318{
319	test_pipe_thread_data_t* td = args;
320	char rcvbuf[td->pktsize];
321	char comparebuf[td->pktsize];
322	ssize_t rsize;
323	int i, d;
324
325	for(i=0; i < td->numpkts; i++) {
326		memset(comparebuf, i, td->pktsize);
327		rsize = recv(td->so, rcvbuf, td->pktsize, MSG_WAITALL);
328		if (rsize < 0) {
329			perror("recv");
330			atf_tc_fail("recv returned < 0");
331		}
332		ATF_CHECK_EQ_MSG(td->pktsize, rsize,
333		    		 "expected %zd=send(...) but got %zd",
334				 td->pktsize, rsize);
335		d = memcmp(comparebuf, rcvbuf, td->pktsize);
336		ATF_CHECK_EQ_MSG(0, d,
337		    		 "Received data miscompare on packet %d", i);
338	}
339	return (0);
340}
341
342
343static void
344test_pipe(size_t sndbufsize, size_t rcvbufsize)
345{
346	test_pipe_thread_data_t writer_data, reader_data;
347	pthread_t writer, reader;
348	int sv[2];
349	const size_t pktsize = MIN(sndbufsize, rcvbufsize) / 4;
350	int numpkts;
351
352	/* setup the socket pair */
353	do_socketpair(sv);
354	/* Setup the buffers */
355	ATF_REQUIRE_EQ(0, setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbufsize,
356	    sizeof(sndbufsize)));
357	ATF_REQUIRE_EQ(0, setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rcvbufsize,
358	    sizeof(rcvbufsize)));
359
360	/* Send a total amount of data comfortably greater than the buffers */
361	numpkts = MAX(sndbufsize, rcvbufsize) * 8 / pktsize;
362
363	/* Start the child threads */
364	writer_data.pktsize = pktsize;
365	writer_data.numpkts = numpkts;
366	writer_data.so = sv[0];
367	reader_data.pktsize = pktsize;
368	reader_data.numpkts = numpkts;
369	reader_data.so = sv[1];
370	ATF_REQUIRE_EQ(0, pthread_create(&writer, NULL, test_pipe_writer,
371	    				 (void*)&writer_data));
372	/*
373	 * Give the writer time to start writing, and hopefully block, before
374	 * starting the reader.  This increases the likelihood of the test case
375	 * failing due to PR kern/185812
376	 */
377	usleep(1000);
378	ATF_REQUIRE_EQ(0, pthread_create(&reader, NULL, test_pipe_reader,
379	    				 (void*)&reader_data));
380
381	/* Join the children */
382	ATF_REQUIRE_EQ(0, pthread_join(writer, NULL));
383	ATF_REQUIRE_EQ(0, pthread_join(reader, NULL));
384	close(sv[0]);
385	close(sv[1]);
386}
387
388
389/*
390 * Test Cases
391 */
392
393/* Create a SEQPACKET socket */
394ATF_TC_WITHOUT_HEAD(create_socket);
395ATF_TC_BODY(create_socket, tc)
396{
397	int s;
398
399	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
400	ATF_REQUIRE(s >= 0);
401	close(s);
402}
403
404/* Create SEQPACKET sockets using socketpair(2) */
405ATF_TC_WITHOUT_HEAD(create_socketpair);
406ATF_TC_BODY(create_socketpair, tc)
407{
408	int sv[2];
409	int s;
410
411	s = socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sv);
412	ATF_CHECK_EQ(0, s);
413	ATF_CHECK(sv[0] >= 0);
414	ATF_CHECK(sv[1] >= 0);
415	ATF_CHECK(sv[0] != sv[1]);
416	close(sv[0]);
417	close(sv[1]);
418}
419
420/* Call listen(2) without first calling bind(2).  It should fail */
421ATF_TC_WITHOUT_HEAD(listen_unbound);
422ATF_TC_BODY(listen_unbound, tc)
423{
424	int s, r;
425
426	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
427	ATF_REQUIRE(s > 0);
428	r = listen(s, -1);
429	/* expect listen to fail since we haven't called bind(2) */
430	ATF_CHECK(r != 0);
431	close(s);
432}
433
434/* Bind the socket to a file */
435ATF_TC_WITHOUT_HEAD(bind);
436ATF_TC_BODY(bind, tc)
437{
438	struct sockaddr_un sun;
439	/* ATF's isolation mechanisms will guarantee uniqueness of this file */
440	const char *path = "sock";
441	int s, r;
442
443	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
444	ATF_REQUIRE(s >= 0);
445
446	bzero(&sun, sizeof(sun));
447	sun.sun_family = AF_LOCAL;
448	sun.sun_len = sizeof(sun);
449	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
450	r = bind(s, (struct sockaddr *)&sun, sizeof(sun));
451	ATF_CHECK_EQ(0, r);
452	close(s);
453}
454
455/* listen(2) a socket that is already bound(2) should succeed */
456ATF_TC_WITHOUT_HEAD(listen_bound);
457ATF_TC_BODY(listen_bound, tc)
458{
459	struct sockaddr_un sun;
460	/* ATF's isolation mechanisms will guarantee uniqueness of this file */
461	const char *path = "sock";
462	int s, r, l;
463
464	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
465	ATF_REQUIRE(s >= 0);
466
467	bzero(&sun, sizeof(sun));
468	sun.sun_family = AF_LOCAL;
469	sun.sun_len = sizeof(sun);
470	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
471	r = bind(s, (struct sockaddr *)&sun, sizeof(sun));
472	l = listen(s, -1);
473	ATF_CHECK_EQ(0, r);
474	ATF_CHECK_EQ(0, l);
475	close(s);
476}
477
478/* connect(2) can make a connection */
479ATF_TC_WITHOUT_HEAD(connect);
480ATF_TC_BODY(connect, tc)
481{
482	struct sockaddr_un sun;
483	/* ATF's isolation mechanisms will guarantee uniqueness of this file */
484	const char *path = "sock";
485	int s, r, err, l, s2;
486
487	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
488	ATF_REQUIRE(s >= 0);
489
490	bzero(&sun, sizeof(sun));
491	sun.sun_family = AF_LOCAL;
492	sun.sun_len = sizeof(sun);
493	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
494	r = bind(s, (struct sockaddr *)&sun, sizeof(sun));
495	l = listen(s, -1);
496	ATF_CHECK_EQ(0, r);
497	ATF_CHECK_EQ(0, l);
498
499	/* Create the other socket */
500	s2 = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
501	ATF_REQUIRE(s2 >= 0);
502	err = connect(s2, (struct sockaddr*)&sun, sizeof(sun));
503	if (err != 0) {
504		perror("connect");
505		atf_tc_fail("connect(2) failed");
506	}
507	close(s);
508	close(s2);
509}
510
511/* accept(2) can receive a connection */
512ATF_TC_WITHOUT_HEAD(accept);
513ATF_TC_BODY(accept, tc)
514{
515	int sv[2];
516
517	mk_pair_of_sockets(sv);
518	close(sv[0]);
519	close(sv[1]);
520}
521
522
523/* Set O_NONBLOCK on the socket */
524ATF_TC_WITHOUT_HEAD(fcntl_nonblock);
525ATF_TC_BODY(fcntl_nonblock, tc)
526{
527	int s;
528
529	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
530	ATF_REQUIRE(s >= 0);
531	if (fcntl(s, F_SETFL, O_NONBLOCK) == -1) {
532		perror("fcntl");
533		atf_tc_fail("fcntl failed");
534	}
535	close(s);
536}
537
538/* Resize the send and receive buffers */
539ATF_TC_WITHOUT_HEAD(resize_buffers);
540ATF_TC_BODY(resize_buffers, tc)
541{
542	int s;
543	int sndbuf = 12345;
544	int rcvbuf = 23456;
545	int xs, xr;
546	socklen_t sl = sizeof(xs);
547
548	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
549	ATF_REQUIRE(s >= 0);
550
551	printf("                       Socket Buffer Sizes\n");
552	printf("                              | SNDBUF  | RCVBUF  |\n");
553	ATF_CHECK_EQ(0, getsockopt(s, SOL_SOCKET, SO_SNDBUF, &xs, &sl));
554	ATF_CHECK_EQ(0, getsockopt(s, SOL_SOCKET, SO_RCVBUF, &xr, &sl));
555	printf("Default                       | %7d | %7d |\n", xs, xr);
556
557	if (setsockopt(s, SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof(sndbuf)) != 0){
558		perror("setsockopt");
559		atf_tc_fail("setsockopt(SO_SNDBUF) failed");
560	}
561	ATF_CHECK_EQ(0, getsockopt(s, SOL_SOCKET, SO_SNDBUF, &xs, &sl));
562	ATF_CHECK_EQ(0, getsockopt(s, SOL_SOCKET, SO_RCVBUF, &xr, &sl));
563	printf("After changing SNDBUF         | %7d | %7d |\n", xs, xr);
564
565	if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, &rcvbuf, sizeof(rcvbuf)) != 0){
566		perror("setsockopt");
567		atf_tc_fail("setsockopt(SO_RCVBUF) failed");
568	}
569	ATF_CHECK_EQ(0, getsockopt(s, SOL_SOCKET, SO_SNDBUF, &xs, &sl));
570	ATF_CHECK_EQ(0, getsockopt(s, SOL_SOCKET, SO_RCVBUF, &xr, &sl));
571	printf("After changing RCVBUF         | %7d | %7d |\n", xs, xr);
572	close(s);
573}
574
575/*
576 * Resize the send and receive buffers of a connected socketpair
577 * Print some useful debugging info too
578 */
579ATF_TC_WITHOUT_HEAD(resize_connected_buffers);
580ATF_TC_BODY(resize_connected_buffers, tc)
581{
582	int sv[2];
583	int sndbuf = 12345;
584	int rcvbuf = 23456;
585	int err;
586	int ls, lr, rs, rr;
587	socklen_t sl = sizeof(ls);
588
589	/* setup the socket pair */
590	do_socketpair(sv);
591
592	printf("                       Socket Buffer Sizes\n");
593	printf("                              | Left Socket       | Right Socket      |\n");
594	printf("                              | SNDBUF  | RCVBUF  | SNDBUF  | RCVBUF  |\n");
595	ATF_CHECK_EQ(0, getsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &ls, &sl));
596	ATF_CHECK_EQ(0, getsockopt(sv[0], SOL_SOCKET, SO_RCVBUF, &lr, &sl));
597	ATF_CHECK_EQ(0, getsockopt(sv[1], SOL_SOCKET, SO_SNDBUF, &rs, &sl));
598	ATF_CHECK_EQ(0, getsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rr, &sl));
599	printf("Default                       | %7d | %7d | %7d | %7d |\n",
600	    ls, lr, rs, rr);
601
602	/* Update one side's send buffer */
603	err = setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof(sndbuf));
604	if (err != 0){
605		perror("setsockopt");
606		atf_tc_fail("setsockopt(SO_SNDBUF) failed");
607	}
608
609	ATF_CHECK_EQ(0, getsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &ls, &sl));
610	ATF_CHECK_EQ(0, getsockopt(sv[0], SOL_SOCKET, SO_RCVBUF, &lr, &sl));
611	ATF_CHECK_EQ(0, getsockopt(sv[1], SOL_SOCKET, SO_SNDBUF, &rs, &sl));
612	ATF_CHECK_EQ(0, getsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rr, &sl));
613	printf("After changing Left's SNDBUF  | %7d | %7d | %7d | %7d |\n",
614	    ls, lr, rs, rr);
615
616	/* Update the same side's receive buffer */
617	err = setsockopt(sv[0], SOL_SOCKET, SO_RCVBUF, &rcvbuf, sizeof(rcvbuf));
618	if (err != 0){
619		perror("setsockopt");
620		atf_tc_fail("setsockopt(SO_RCVBUF) failed");
621	}
622
623	ATF_CHECK_EQ(0, getsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &ls, &sl));
624	ATF_CHECK_EQ(0, getsockopt(sv[0], SOL_SOCKET, SO_RCVBUF, &lr, &sl));
625	ATF_CHECK_EQ(0, getsockopt(sv[1], SOL_SOCKET, SO_SNDBUF, &rs, &sl));
626	ATF_CHECK_EQ(0, getsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rr, &sl));
627	printf("After changing Left's RCVBUF  | %7d | %7d | %7d | %7d |\n",
628	    ls, lr, rs, rr);
629	close(sv[0]);
630	close(sv[1]);
631}
632
633
634/* send(2) and recv(2) a single short record */
635ATF_TC_WITHOUT_HEAD(send_recv);
636ATF_TC_BODY(send_recv, tc)
637{
638	int sv[2];
639	const int bufsize = 64;
640	const char *data = "data";
641	char recv_buf[bufsize];
642	ssize_t datalen;
643	ssize_t ssize, rsize;
644
645	/* setup the socket pair */
646	do_socketpair(sv);
647
648	/* send and receive a small packet */
649	datalen = strlen(data) + 1;	/* +1 for the null */
650	ssize = send(sv[0], data, datalen, MSG_EOR);
651	if (ssize < 0) {
652		perror("send");
653		atf_tc_fail("send returned < 0");
654	}
655	ATF_CHECK_EQ_MSG(datalen, ssize, "expected %zd=send(...) but got %zd",
656	    datalen, ssize);
657
658	rsize = recv(sv[1], recv_buf, bufsize, MSG_WAITALL);
659	ATF_CHECK_EQ(datalen, rsize);
660	close(sv[0]);
661	close(sv[1]);
662}
663
664/* sendto(2) and recvfrom(2) a single short record
665 * According to The Open Group Base Specifications Issue 6 IEEE Std 1003.1, 2004
666 * Edition, sendto(2) is exactly the same as send(2) on a connection-mode socket
667 *
668 * According to the same spec, not all protocols are required to provide the
669 * source addres in recvfrom(2).
670 */
671ATF_TC_WITHOUT_HEAD(sendto_recvfrom);
672ATF_TC_BODY(sendto_recvfrom, tc)
673{
674	const char* path;
675	struct sockaddr_storage from;
676	int sv[2];
677	const int bufsize = 64;
678	const char *data = "data";
679	char recv_buf[bufsize];
680	ssize_t datalen;
681	ssize_t ssize, rsize;
682	socklen_t fromlen;
683
684	/* setup the socket pair */
685	path = mk_pair_of_sockets(sv);
686
687	/* send and receive a small packet */
688	datalen = strlen(data) + 1;	/* +1 for the null */
689	ssize = sendto(sv[0], data, datalen, MSG_EOR, NULL, 0);
690	if (ssize < 0) {
691		perror("send");
692		atf_tc_fail("send returned < 0");
693	}
694	ATF_CHECK_EQ_MSG(datalen, ssize, "expected %zd=send(...) but got %zd",
695	    datalen, ssize);
696
697	fromlen = sizeof(from);
698	rsize = recvfrom(sv[1], recv_buf, bufsize, MSG_WAITALL,
699	    (struct sockaddr*)&from, &fromlen);
700	if (ssize < 0) {
701		perror("recvfrom");
702		atf_tc_fail("recvfrom returned < 0");
703	}
704	ATF_CHECK_EQ(datalen, rsize);
705
706	/*
707	 * FreeBSD does not currently provide the source address for SEQ_PACKET
708	 * AF_UNIX sockets, and POSIX does not require it, so these two checks
709	 * are disabled.  If FreeBSD gains that feature in the future, then
710	 * these checks may be reenabled
711	 */
712	/* ATF_CHECK_EQ(PF_LOCAL, from.ss_family); */
713	/* ATF_CHECK_STREQ(path, ((struct sockaddr_un*)&from)->sun_path); */
714	close(sv[0]);
715	close(sv[1]);
716}
717
718/*
719 * send(2) and recv(2) a single short record with sockets created the
720 * traditional way, involving bind, listen, connect, and accept
721 */
722ATF_TC_WITHOUT_HEAD(send_recv_with_connect);
723ATF_TC_BODY(send_recv_with_connect, tc)
724{
725	int sv[2];
726	const int bufsize = 64;
727	const char *data = "data";
728	char recv_buf[bufsize];
729	ssize_t datalen;
730	ssize_t ssize, rsize;
731
732	mk_pair_of_sockets(sv);
733
734	/* send and receive a small packet */
735	datalen = strlen(data) + 1;	/* +1 for the null */
736	ssize = send(sv[0], data, datalen, MSG_EOR);
737	if (ssize < 0) {
738		perror("send");
739		atf_tc_fail("send returned < 0");
740	}
741	ATF_CHECK_EQ_MSG(datalen, ssize, "expected %zd=send(...) but got %zd",
742	    datalen, ssize);
743
744	rsize = recv(sv[1], recv_buf, bufsize, MSG_WAITALL);
745	ATF_CHECK_EQ(datalen, rsize);
746	close(sv[0]);
747	close(sv[1]);
748}
749
750/* send(2) should fail on a shutdown socket */
751ATF_TC_WITHOUT_HEAD(shutdown_send);
752ATF_TC_BODY(shutdown_send, tc)
753{
754	struct sockaddr_un sun;
755	/* ATF's isolation mechanisms will guarantee uniqueness of this file */
756	const char *path = "sock";
757	const char *data = "data";
758	ssize_t ssize;
759	int s, err, s2;
760
761	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
762	ATF_REQUIRE(s >= 0);
763
764	bzero(&sun, sizeof(sun));
765	sun.sun_family = AF_LOCAL;
766	sun.sun_len = sizeof(sun);
767	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
768	err = bind(s, (struct sockaddr *)&sun, sizeof(sun));
769	err = listen(s, -1);
770	ATF_CHECK_EQ(0, err);
771
772	/* Create the other socket */
773	s2 = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
774	ATF_REQUIRE(s2 >= 0);
775	err = connect(s2, (struct sockaddr*)&sun, sizeof(sun));
776	if (err != 0) {
777		perror("connect");
778		atf_tc_fail("connect(2) failed");
779	}
780
781	ATF_CHECK_EQ(0, shutdown(s2, SHUT_RDWR));
782	/* USE MSG_NOSIGNAL so we don't get SIGPIPE */
783	ssize = send(s2, data, sizeof(data), MSG_EOR | MSG_NOSIGNAL);
784	ATF_CHECK_EQ(EPIPE, errno);
785	ATF_CHECK_EQ(-1, ssize);
786	close(s);
787	close(s2);
788}
789
790/* send(2) should cause SIGPIPE on a shutdown socket */
791ATF_TC_WITHOUT_HEAD(shutdown_send_sigpipe);
792ATF_TC_BODY(shutdown_send_sigpipe, tc)
793{
794	struct sockaddr_un sun;
795	/* ATF's isolation mechanisms will guarantee uniqueness of this file */
796	const char *path = "sock";
797	const char *data = "data";
798	ssize_t ssize;
799	int s, err, s2;
800
801	s = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
802	ATF_REQUIRE(s >= 0);
803
804	bzero(&sun, sizeof(sun));
805	sun.sun_family = AF_LOCAL;
806	sun.sun_len = sizeof(sun);
807	strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
808	err = bind(s, (struct sockaddr *)&sun, sizeof(sun));
809	err = listen(s, -1);
810	ATF_CHECK_EQ(0, err);
811
812	/* Create the other socket */
813	s2 = socket(PF_LOCAL, SOCK_SEQPACKET, 0);
814	ATF_REQUIRE(s2 >= 0);
815	err = connect(s2, (struct sockaddr*)&sun, sizeof(sun));
816	if (err != 0) {
817		perror("connect");
818		atf_tc_fail("connect(2) failed");
819	}
820
821	ATF_CHECK_EQ(0, shutdown(s2, SHUT_RDWR));
822	ATF_REQUIRE(SIG_ERR != signal(SIGPIPE, shutdown_send_sigpipe_handler));
823	ssize = send(s2, data, sizeof(data), MSG_EOR);
824	ATF_CHECK_EQ(1, got_sigpipe);
825	close(s);
826	close(s2);
827}
828
829/* nonblocking send(2) and recv(2) a single short record */
830ATF_TC_WITHOUT_HEAD(send_recv_nonblocking);
831ATF_TC_BODY(send_recv_nonblocking, tc)
832{
833	int sv[2];
834	const int bufsize = 64;
835	const char *data = "data";
836	char recv_buf[bufsize];
837	ssize_t datalen;
838	ssize_t ssize, rsize;
839
840	/* setup the socket pair */
841	do_socketpair_nonblocking(sv);
842
843	/* Verify that there is nothing to receive */
844	rsize = recv(sv[1], recv_buf, bufsize, MSG_WAITALL);
845	ATF_CHECK_EQ(EAGAIN, errno);
846	ATF_CHECK_EQ(-1, rsize);
847
848	/* send and receive a small packet */
849	datalen = strlen(data) + 1;	/* +1 for the null */
850	ssize = send(sv[0], data, datalen, MSG_EOR);
851	if (ssize < 0) {
852		perror("send");
853		atf_tc_fail("send returned < 0");
854	}
855	ATF_CHECK_EQ_MSG(datalen, ssize, "expected %zd=send(...) but got %zd",
856	    datalen, ssize);
857
858	rsize = recv(sv[1], recv_buf, bufsize, MSG_WAITALL);
859	ATF_CHECK_EQ(datalen, rsize);
860	close(sv[0]);
861	close(sv[1]);
862}
863
864/*
865 * We should get EMSGSIZE if we try to send a message larger than the socket
866 * buffer, with blocking sockets
867 */
868ATF_TC_WITHOUT_HEAD(emsgsize);
869ATF_TC_BODY(emsgsize, tc)
870{
871	int sv[2];
872	const size_t sndbufsize = 8192;
873	const size_t rcvbufsize = 8192;
874	const size_t pktsize = (sndbufsize + rcvbufsize) * 2;
875	char sndbuf[pktsize];
876	ssize_t ssize;
877
878	/* setup the socket pair */
879	do_socketpair(sv);
880	/* Setup the buffers */
881	ATF_REQUIRE_EQ(0, setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbufsize,
882	    sizeof(sndbufsize)));
883	ATF_REQUIRE_EQ(0, setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rcvbufsize,
884	    sizeof(rcvbufsize)));
885
886	ssize = send(sv[0], sndbuf, pktsize, MSG_EOR);
887	ATF_CHECK_EQ(EMSGSIZE, errno);
888	ATF_CHECK_EQ(-1, ssize);
889	close(sv[0]);
890	close(sv[1]);
891}
892
893/*
894 * We should get EMSGSIZE if we try to send a message larger than the socket
895 * buffer, with nonblocking sockets
896 */
897ATF_TC_WITHOUT_HEAD(emsgsize_nonblocking);
898ATF_TC_BODY(emsgsize_nonblocking, tc)
899{
900	int sv[2];
901	const size_t sndbufsize = 8192;
902	const size_t rcvbufsize = 8192;
903	const size_t pktsize = (sndbufsize + rcvbufsize) * 2;
904	char sndbuf[pktsize];
905	ssize_t ssize;
906
907	/* setup the socket pair */
908	do_socketpair_nonblocking(sv);
909	/* Setup the buffers */
910	ATF_REQUIRE_EQ(0, setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbufsize,
911	    sizeof(sndbufsize)));
912	ATF_REQUIRE_EQ(0, setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rcvbufsize,
913	    sizeof(rcvbufsize)));
914
915	ssize = send(sv[0], sndbuf, pktsize, MSG_EOR);
916	ATF_CHECK_EQ(EMSGSIZE, errno);
917	ATF_CHECK_EQ(-1, ssize);
918	close(sv[0]);
919	close(sv[1]);
920}
921
922
923/*
924 * We should get EAGAIN if we try to send a message larger than the socket
925 * buffer, with nonblocking sockets.  Test with several different sockbuf sizes
926 */
927ATF_TC_WITHOUT_HEAD(eagain_8k_8k);
928ATF_TC_BODY(eagain_8k_8k, tc)
929{
930	test_eagain(8192, 8192);
931}
932ATF_TC_WITHOUT_HEAD(eagain_8k_128k);
933ATF_TC_BODY(eagain_8k_128k, tc)
934{
935	test_eagain(8192, 131072);
936}
937ATF_TC_WITHOUT_HEAD(eagain_128k_8k);
938ATF_TC_BODY(eagain_128k_8k, tc)
939{
940	test_eagain(131072, 8192);
941}
942ATF_TC_WITHOUT_HEAD(eagain_128k_128k);
943ATF_TC_BODY(eagain_128k_128k, tc)
944{
945	test_eagain(131072, 131072);
946}
947
948
949/*
950 * nonblocking send(2) and recv(2) of several records, which should collectively
951 * fill up the send buffer but not the receive buffer
952 */
953ATF_TC_WITHOUT_HEAD(rcvbuf_oversized);
954ATF_TC_BODY(rcvbuf_oversized, tc)
955{
956	int i;
957	int sv[2];
958	const ssize_t pktsize = 1024;
959	const size_t sndbufsize = 8192;
960	const size_t rcvbufsize = 131072;
961	const size_t geometric_mean_bufsize = 32768;
962	const int numpkts = geometric_mean_bufsize / pktsize;
963	char sndbuf[pktsize];
964	char recv_buf[pktsize];
965	ssize_t ssize, rsize;
966
967	/* setup the socket pair */
968	do_socketpair_nonblocking(sv);
969	ATF_REQUIRE_EQ(0, setsockopt(sv[0], SOL_SOCKET, SO_SNDBUF, &sndbufsize,
970	    sizeof(sndbufsize)));
971	ATF_REQUIRE_EQ(0, setsockopt(sv[1], SOL_SOCKET, SO_RCVBUF, &rcvbufsize,
972	    sizeof(rcvbufsize)));
973
974	/*
975	 * Send and receive packets that are collectively greater than the send
976	 * buffer, but less than the receive buffer
977	 */
978	for (i=0; i < numpkts; i++) {
979		/* Fill the buffer */
980		memset(sndbuf, i, pktsize);
981
982		/* send the packet */
983		ssize = send(sv[0], sndbuf, pktsize, MSG_EOR);
984		if (ssize < 0) {
985			perror("send");
986			atf_tc_fail("send returned < 0");
987		}
988		ATF_CHECK_EQ_MSG(pktsize, ssize,
989		    "expected %zd=send(...) but got %zd", pktsize, ssize);
990
991		/* Receive it */
992
993		rsize = recv(sv[1], recv_buf, pktsize, MSG_WAITALL);
994		if (rsize < 0) {
995			perror("recv");
996			atf_tc_fail("recv returned < 0");
997		}
998		ATF_CHECK_EQ_MSG(pktsize, rsize,
999		    "expected %zd=send(...) but got %zd", pktsize, rsize);
1000
1001		/* Verify the contents */
1002		ATF_CHECK_EQ_MSG(0, memcmp(sndbuf, recv_buf, pktsize),
1003		    "Received data miscompare");
1004	}
1005
1006	/* Trying to receive again should return EAGAIN */
1007	rsize = recv(sv[1], recv_buf, pktsize, MSG_WAITALL);
1008	ATF_CHECK_EQ(EAGAIN, errno);
1009	ATF_CHECK_EQ(-1, rsize);
1010	close(sv[0]);
1011	close(sv[1]);
1012}
1013
1014/*
1015 * Simulate the behavior of a blocking pipe.  The sender will send until his
1016 * buffer fills up, then we'll simulate a scheduler switch that will allow the
1017 * receiver to read until his buffer empties.  Repeat the process until the
1018 * transfer is complete.
1019 * Repeat the test with multiple send and receive buffer sizes
1020 */
1021ATF_TC_WITHOUT_HEAD(pipe_simulator_8k_8k);
1022ATF_TC_BODY(pipe_simulator_8k_8k, tc)
1023{
1024	test_pipe_simulator(8192, 8192);
1025}
1026
1027ATF_TC_WITHOUT_HEAD(pipe_simulator_8k_128k);
1028ATF_TC_BODY(pipe_simulator_8k_128k, tc)
1029{
1030	test_pipe_simulator(8192, 131072);
1031}
1032
1033ATF_TC_WITHOUT_HEAD(pipe_simulator_128k_8k);
1034ATF_TC_BODY(pipe_simulator_128k_8k, tc)
1035{
1036	test_pipe_simulator(131072, 8192);
1037}
1038
1039ATF_TC_WITHOUT_HEAD(pipe_simulator_128k_128k);
1040ATF_TC_BODY(pipe_simulator_128k_128k, tc)
1041{
1042	test_pipe_simulator(131072, 131072);
1043}
1044
1045/*
1046 * Test blocking I/O by passing data between two threads.  The total amount of
1047 * data will be >> buffer size to force blocking.  Repeat the test with multiple
1048 * send and receive buffer sizes
1049 */
1050ATF_TC_WITHOUT_HEAD(pipe_8k_8k);
1051ATF_TC_BODY(pipe_8k_8k, tc)
1052{
1053	test_pipe(8192, 8192);
1054}
1055
1056ATF_TC_WITHOUT_HEAD(pipe_8k_128k);
1057ATF_TC_BODY(pipe_8k_128k, tc)
1058{
1059	test_pipe(8192, 131072);
1060}
1061
1062ATF_TC_WITHOUT_HEAD(pipe_128k_8k);
1063ATF_TC_BODY(pipe_128k_8k, tc)
1064{
1065	test_pipe(131072, 8192);
1066}
1067
1068ATF_TC_WITHOUT_HEAD(pipe_128k_128k);
1069ATF_TC_BODY(pipe_128k_128k, tc)
1070{
1071	test_pipe(131072, 131072);
1072}
1073
1074
1075/*
1076 * Test single-packet I/O with and without blocking, with symmetric buffers of
1077 * various sizes
1078 */
1079ATF_TC_WITHOUT_HEAD(sendrecv_8k);
1080ATF_TC_BODY(sendrecv_8k, tc)
1081{
1082	test_sendrecv_symmetric_buffers(8 * 1024, true);
1083}
1084ATF_TC_WITHOUT_HEAD(sendrecv_16k);
1085ATF_TC_BODY(sendrecv_16k, tc)
1086{
1087	test_sendrecv_symmetric_buffers(16 * 1024, true);
1088}
1089ATF_TC_WITHOUT_HEAD(sendrecv_32k);
1090ATF_TC_BODY(sendrecv_32k, tc)
1091{
1092	test_sendrecv_symmetric_buffers(32 * 1024, true);
1093}
1094ATF_TC_WITHOUT_HEAD(sendrecv_64k);
1095ATF_TC_BODY(sendrecv_64k, tc)
1096{
1097	test_sendrecv_symmetric_buffers(64 * 1024, true);
1098}
1099ATF_TC_WITHOUT_HEAD(sendrecv_128k);
1100ATF_TC_BODY(sendrecv_128k, tc)
1101{
1102	test_sendrecv_symmetric_buffers(128 * 1024, true);
1103}
1104ATF_TC_WITHOUT_HEAD(sendrecv_8k_nonblocking);
1105ATF_TC_BODY(sendrecv_8k_nonblocking, tc)
1106{
1107	test_sendrecv_symmetric_buffers(8 * 1024, false);
1108}
1109ATF_TC_WITHOUT_HEAD(sendrecv_16k_nonblocking);
1110ATF_TC_BODY(sendrecv_16k_nonblocking, tc)
1111{
1112	test_sendrecv_symmetric_buffers(16 * 1024, false);
1113}
1114ATF_TC_WITHOUT_HEAD(sendrecv_32k_nonblocking);
1115ATF_TC_BODY(sendrecv_32k_nonblocking, tc)
1116{
1117	test_sendrecv_symmetric_buffers(32 * 1024, false);
1118}
1119ATF_TC_WITHOUT_HEAD(sendrecv_64k_nonblocking);
1120ATF_TC_BODY(sendrecv_64k_nonblocking, tc)
1121{
1122	test_sendrecv_symmetric_buffers(64 * 1024, false);
1123}
1124ATF_TC_WITHOUT_HEAD(sendrecv_128k_nonblocking);
1125ATF_TC_BODY(sendrecv_128k_nonblocking, tc)
1126{
1127	test_sendrecv_symmetric_buffers(128 * 1024, false);
1128}
1129
1130
1131/*
1132 * Main.
1133 */
1134
1135ATF_TP_ADD_TCS(tp)
1136{
1137	/* Basic creation and connection tests */
1138	ATF_TP_ADD_TC(tp, create_socket);
1139	ATF_TP_ADD_TC(tp, create_socketpair);
1140	ATF_TP_ADD_TC(tp, listen_unbound);
1141	ATF_TP_ADD_TC(tp, bind);
1142	ATF_TP_ADD_TC(tp, listen_bound);
1143	ATF_TP_ADD_TC(tp, connect);
1144	ATF_TP_ADD_TC(tp, accept);
1145	ATF_TP_ADD_TC(tp, fcntl_nonblock);
1146	ATF_TP_ADD_TC(tp, resize_buffers);
1147	ATF_TP_ADD_TC(tp, resize_connected_buffers);
1148
1149	/* Unthreaded I/O tests */
1150	ATF_TP_ADD_TC(tp, send_recv);
1151	ATF_TP_ADD_TC(tp, send_recv_nonblocking);
1152	ATF_TP_ADD_TC(tp, send_recv_with_connect);
1153	ATF_TP_ADD_TC(tp, sendto_recvfrom);
1154	ATF_TP_ADD_TC(tp, shutdown_send);
1155	ATF_TP_ADD_TC(tp, shutdown_send_sigpipe);
1156	ATF_TP_ADD_TC(tp, emsgsize);
1157	ATF_TP_ADD_TC(tp, emsgsize_nonblocking);
1158	ATF_TP_ADD_TC(tp, eagain_8k_8k);
1159	ATF_TP_ADD_TC(tp, eagain_8k_128k);
1160	ATF_TP_ADD_TC(tp, eagain_128k_8k);
1161	ATF_TP_ADD_TC(tp, eagain_128k_128k);
1162	ATF_TP_ADD_TC(tp, sendrecv_8k);
1163	ATF_TP_ADD_TC(tp, sendrecv_16k);
1164	ATF_TP_ADD_TC(tp, sendrecv_32k);
1165	ATF_TP_ADD_TC(tp, sendrecv_64k);
1166	ATF_TP_ADD_TC(tp, sendrecv_128k);
1167	ATF_TP_ADD_TC(tp, sendrecv_8k_nonblocking);
1168	ATF_TP_ADD_TC(tp, sendrecv_16k_nonblocking);
1169	ATF_TP_ADD_TC(tp, sendrecv_32k_nonblocking);
1170	ATF_TP_ADD_TC(tp, sendrecv_64k_nonblocking);
1171	ATF_TP_ADD_TC(tp, sendrecv_128k_nonblocking);
1172	ATF_TP_ADD_TC(tp, rcvbuf_oversized);
1173	ATF_TP_ADD_TC(tp, pipe_simulator_8k_8k);
1174	ATF_TP_ADD_TC(tp, pipe_simulator_8k_128k);
1175	ATF_TP_ADD_TC(tp, pipe_simulator_128k_8k);
1176	ATF_TP_ADD_TC(tp, pipe_simulator_128k_128k);
1177
1178	/* Threaded I/O tests with blocking sockets */
1179	ATF_TP_ADD_TC(tp, pipe_8k_8k);
1180	ATF_TP_ADD_TC(tp, pipe_8k_128k);
1181	ATF_TP_ADD_TC(tp, pipe_128k_8k);
1182	ATF_TP_ADD_TC(tp, pipe_128k_128k);
1183
1184	return atf_no_error();
1185}
1186