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1 /* SCTP kernel Implementation
2  * (C) Copyright IBM Corp. 2001, 2004
3  * Copyright (c) 1999-2000 Cisco, Inc.
4  * Copyright (c) 1999-2001 Motorola, Inc.
5  * Copyright (c) 2001 Intel Corp.
6  * Copyright (c) 2001 Nokia, Inc.
7  *
8  * The SCTP implementation is free software;
9  * you can redistribute it and/or modify it under the terms of
10  * the GNU General Public License as published by
11  * the Free Software Foundation; either version 2, or (at your option)
12  * any later version.
13  *
14  * The SCTP implementation is distributed in the hope that it
15  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
16  *                 ************************
17  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
18  * See the GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with GNU CC; see the file COPYING.  If not, write to
22  * the Free Software Foundation, 59 Temple Place - Suite 330,
23  * Boston, MA 02111-1307, USA.
24  *
25  * Please send any bug reports or fixes you make to the
26  * email address(es):
27  *    lksctp developers <lksctp-developers@lists.sourceforge.net>
28  *
29  * Or submit a bug report through the following website:
30  *    http://www.sf.net/projects/lksctp
31  *
32  * Any bugs reported to us we will try to fix... any fixes shared will
33  * be incorporated into the next SCTP release.
34  *
35  * Written or modified by:
36  *    La Monte H.P. Yarroll <piggy@acm.org>
37  *    Karl Knutson <karl@athena.chicago.il.us>
38  *    Hui Huang <hui.huang@nokia.com>
39  *    Jon Grimm <jgrimm@us.ibm.com>
40  *    Sridhar Samudrala <samudrala@us.ibm.com>
41  */
42 
43 /* This is a functional test to verify the various SCTP level socket
44  * options that can be used to get information about existing SCTP
45  * associations and to configure certain parameters.
46  */
47 
48 #include <stdio.h>
49 #include <unistd.h>
50 #include <stdlib.h>
51 #include <string.h>
52 #include <sys/types.h>
53 #include <sys/socket.h>
54 #include <sys/uio.h>
55 #include <sys/errno.h>
56 #include <netinet/in.h>
57 #include <netinet/sctp.h>
58 #include <sctputil.h>
59 
60 char *TCID = __FILE__;
61 int TST_TOTAL = 29;
62 int TST_CNT = 0;
63 
64 int
main(void)65 main(void)
66 {
67 	int udp_svr_sk, udp_clt_sk, tcp_svr_sk, tcp_clt_sk;
68 	int accept_sk, peeloff_sk;
69         sockaddr_storage_t udp_svr_loop, udp_clt_loop;
70         sockaddr_storage_t tcp_svr_loop, tcp_clt_loop;
71         struct iovec iov;
72         struct msghdr inmessage;
73 	struct msghdr outmessage;
74 	char incmsg[CMSG_SPACE(sizeof(sctp_cmsg_data_t))];
75 	char outcmsg[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
76 	struct cmsghdr *cmsg;
77 	struct sctp_sndrcvinfo *sinfo;
78         struct iovec out_iov;
79         char *message = "hello, world!\n";
80         int error;
81 	int pf_class;
82 	uint32_t ppid;
83 	uint32_t stream;
84 	sctp_assoc_t udp_svr_associd, udp_clt_associd;
85 	struct sctp_assoc_change *sac;
86 	char *big_buffer;
87 	struct sctp_event_subscribe subscribe;
88 	struct sctp_initmsg initmsg;
89 	struct sctp_paddrparams paddrparams;
90 	struct sctp_sndrcvinfo set_udp_sk_dflt_param, get_udp_sk_dflt_param;
91 	struct sctp_sndrcvinfo set_tcp_sk_dflt_param, get_tcp_sk_dflt_param;
92 	struct sctp_sndrcvinfo set_udp_assoc_dflt_param;
93 	struct sctp_sndrcvinfo get_udp_assoc_dflt_param;
94 	struct sctp_sndrcvinfo set_tcp_assoc_dflt_param;
95 	struct sctp_sndrcvinfo get_tcp_assoc_dflt_param;
96 	struct sctp_sndrcvinfo get_peeloff_assoc_dflt_param;
97 	struct sctp_sndrcvinfo get_accept_assoc_dflt_param;
98 	struct sctp_paddrinfo pinfo;
99 	int dflt_pathmaxrxt;
100 	socklen_t optlen, addrlen;
101 	struct sctp_status status;
102 	struct sctp_assoc_value value;
103 
104         /* Rather than fflush() throughout the code, set stdout to
105 	 * be unbuffered.
106 	 */
107 	setvbuf(stdout, NULL, _IONBF, 0);
108 
109 	/* Set some basic values which depend on the address family. */
110 #if TEST_V6
111 	pf_class = PF_INET6;
112 
113         udp_svr_loop.v6.sin6_family = AF_INET6;
114         udp_svr_loop.v6.sin6_addr = in6addr_loopback;
115         udp_svr_loop.v6.sin6_port = htons(SCTP_TESTPORT_1);
116 
117         udp_clt_loop.v6.sin6_family = AF_INET6;
118         udp_clt_loop.v6.sin6_addr = in6addr_loopback;
119         udp_clt_loop.v6.sin6_port = htons(SCTP_TESTPORT_1+1);
120 
121         tcp_svr_loop.v6.sin6_family = AF_INET6;
122         tcp_svr_loop.v6.sin6_addr = in6addr_loopback;
123         tcp_svr_loop.v6.sin6_port = htons(SCTP_TESTPORT_1+2);
124 
125         tcp_clt_loop.v6.sin6_family = AF_INET6;
126         tcp_clt_loop.v6.sin6_addr = in6addr_loopback;
127         tcp_clt_loop.v6.sin6_port = htons(SCTP_TESTPORT_1+3);
128 #else
129 	pf_class = PF_INET;
130 
131         udp_svr_loop.v4.sin_family = AF_INET;
132         udp_svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
133         udp_svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1);
134 
135         udp_clt_loop.v4.sin_family = AF_INET;
136         udp_clt_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
137         udp_clt_loop.v4.sin_port = htons(SCTP_TESTPORT_1+1);
138 
139         tcp_svr_loop.v4.sin_family = AF_INET;
140         tcp_svr_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
141         tcp_svr_loop.v4.sin_port = htons(SCTP_TESTPORT_1+2);
142 
143         tcp_clt_loop.v4.sin_family = AF_INET;
144         tcp_clt_loop.v4.sin_addr.s_addr = SCTP_IP_LOOPBACK;
145         tcp_clt_loop.v4.sin_port = htons(SCTP_TESTPORT_2+3);
146 #endif /* TEST_V6 */
147 
148         /* Create the two endpoints which will talk to each other.  */
149         udp_svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
150         udp_clt_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
151 
152 	/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
153 	test_enable_assoc_change(udp_svr_sk);
154 	test_enable_assoc_change(udp_clt_sk);
155 
156         /* Bind these sockets to the test ports.  */
157         test_bind(udp_svr_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
158         test_bind(udp_clt_sk, &udp_clt_loop.sa, sizeof(udp_clt_loop));
159 
160        /* Mark udp_svr_sk as being able to accept new associations.  */
161 	test_listen(udp_svr_sk, 1);
162 
163 	/* TEST #1: SCTP_STATUS socket option. */
164 	/* Make sure that SCTP_STATUS getsockopt on a socket with no
165 	 * association fails.
166 	 */
167 	optlen = sizeof(struct sctp_status);
168 	memset(&status, 0, optlen);
169 	error = getsockopt(udp_svr_sk, SOL_SCTP, SCTP_STATUS, &status,
170 			   &optlen);
171 	if ((error != -1) && (errno != EINVAL))
172 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_STATUS) on a "
173 			 "socket with no assoc error:%d errno:%d",
174 			 error, errno);
175 
176 	tst_resm(TPASS, "getsockopt(SCTP_STATUS) on a socket with no assoc");
177 
178         /* Send the first message.  This will create the association.  */
179         outmessage.msg_name = &udp_svr_loop;
180         outmessage.msg_namelen = sizeof(udp_svr_loop);
181         outmessage.msg_iov = &out_iov;
182         outmessage.msg_iovlen = 1;
183         outmessage.msg_control = outcmsg;
184         outmessage.msg_controllen = sizeof(outcmsg);
185         outmessage.msg_flags = 0;
186 	cmsg = CMSG_FIRSTHDR(&outmessage);
187 	cmsg->cmsg_level = IPPROTO_SCTP;
188 	cmsg->cmsg_type = SCTP_SNDRCV;
189 	cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
190 	outmessage.msg_controllen = cmsg->cmsg_len;
191 	sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
192 	memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
193 	ppid = rand(); /* Choose an arbitrary value. */
194 	stream = 1;
195 	sinfo->sinfo_ppid = ppid;
196 	sinfo->sinfo_stream = stream;
197         outmessage.msg_iov->iov_base = message;
198         outmessage.msg_iov->iov_len = strlen(message) + 1;
199         test_sendmsg(udp_clt_sk, &outmessage, 0, strlen(message)+1);
200 
201 	/* Initialize inmessage for all receives. */
202 	big_buffer = test_malloc(REALLY_BIG);
203         memset(&inmessage, 0, sizeof(inmessage));
204         iov.iov_base = big_buffer;
205         iov.iov_len = REALLY_BIG;
206         inmessage.msg_iov = &iov;
207         inmessage.msg_iovlen = 1;
208         inmessage.msg_control = incmsg;
209 
210         /* Get the communication up message on udp_svr_sk.  */
211         inmessage.msg_controllen = sizeof(incmsg);
212         error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
213 	test_check_msg_notification(&inmessage, error,
214 				    sizeof(struct sctp_assoc_change),
215 				    SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
216 	sac = (struct sctp_assoc_change *)iov.iov_base;
217 	udp_svr_associd = sac->sac_assoc_id;
218 
219         /* Get the communication up message on udp_clt_sk.  */
220         inmessage.msg_controllen = sizeof(incmsg);
221         error = test_recvmsg(udp_clt_sk, &inmessage, MSG_WAITALL);
222 	test_check_msg_notification(&inmessage, error,
223 				    sizeof(struct sctp_assoc_change),
224 				    SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
225 	sac = (struct sctp_assoc_change *)iov.iov_base;
226 	udp_clt_associd = sac->sac_assoc_id;
227 
228         /* Get the first message which was sent.  */
229         inmessage.msg_controllen = sizeof(incmsg);
230         error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
231         test_check_msg_data(&inmessage, error, strlen(message) + 1,
232 			    MSG_EOR, stream, ppid);
233 
234 	/* Get SCTP_STATUS for udp_clt_sk's given association. */
235 	optlen = sizeof(struct sctp_status);
236 	memset(&status, 0, optlen);
237 	status.sstat_assoc_id = udp_clt_associd;
238 	test_getsockopt(udp_clt_sk, SCTP_STATUS, &status, &optlen);
239 
240 	tst_resm(TPASS, "getsockopt(SCTP_STATUS)");
241 
242 	/* Make sure that SCTP_STATUS getsockopt with invalid associd fails. */
243 	optlen = sizeof(struct sctp_status);
244 	memset(&status, 0, optlen);
245 	status.sstat_assoc_id = udp_svr_associd;
246 	error = getsockopt(udp_clt_sk, SOL_SCTP, SCTP_STATUS, &status,
247 			   &optlen);
248 	if ((error != -1) && (errno != EINVAL))
249         	tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_STATUS) with "
250 			 "associd error: %d errno:%d", error, errno);
251 
252 	tst_resm(TPASS, "getsockopt(SCTP_STATUS) with invalid associd");
253 
254 	/* Make sure that SCTP_STATUS getsockopt with NULL associd fails. */
255 	optlen = sizeof(struct sctp_status);
256 	memset(&status, 0, optlen);
257 	status.sstat_assoc_id = 0;
258 	error = getsockopt(udp_svr_sk, SOL_SCTP, SCTP_STATUS, &status,
259 			   &optlen);
260 	if ((error != -1) && (errno != EINVAL))
261         	tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_STATUS) with "
262 			 "NULL associd error: %d errno:%d", error, errno);
263 
264 	tst_resm(TPASS, "getsockopt(SCTP_STATUS) with NULL associd");
265 
266         /* Shut down the link.  */
267         close(udp_clt_sk);
268 
269         /* Get the shutdown complete notification. */
270 	inmessage.msg_controllen = sizeof(incmsg);
271         error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
272 	test_check_msg_notification(&inmessage, error,
273 				    sizeof(struct sctp_assoc_change),
274 				    SCTP_ASSOC_CHANGE, SCTP_SHUTDOWN_COMP);
275 
276 	error = 0;
277         close(udp_svr_sk);
278 
279 	/* TEST #2: SCTP_EVENTS socket option and SCTP_SHUTDOWN_EVENT
280 	 * notification.
281 	 */
282         /* Create the two endpoints which will talk to each other.  */
283 	udp_svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
284 	udp_clt_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
285 
286 	/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
287 	test_enable_assoc_change(udp_svr_sk);
288 	test_enable_assoc_change(udp_clt_sk);
289 
290 	/* Bind these sockets to the test ports.  */
291 	test_bind(udp_svr_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
292 	test_bind(udp_clt_sk, &udp_clt_loop.sa, sizeof(udp_clt_loop));
293 
294 	/* Mark udp_svr_sk as being able to accept new associations.  */
295 	test_listen(udp_svr_sk, 1);
296 
297 	/* Get the default events that are enabled on udp_svr_sk. */
298 	optlen = sizeof(subscribe);
299 	test_getsockopt(udp_svr_sk, SCTP_EVENTS, &subscribe, &optlen);
300 
301 	/* Get the default events that are enabled on udp_clt_sk. */
302 	optlen = sizeof(subscribe);
303 	test_getsockopt(udp_clt_sk, SCTP_EVENTS, &subscribe, &optlen);
304 
305 	tst_resm(TPASS, "getsockopt(SCTP_EVENTS)");
306 
307 	/* Disable all the events on udp_svr_sk and udp_clt_sk. */
308 	memset(&subscribe, 0, sizeof(struct sctp_event_subscribe));
309 	test_setsockopt(udp_svr_sk, SCTP_EVENTS, &subscribe,
310 			sizeof(subscribe));
311 	test_setsockopt(udp_clt_sk, SCTP_EVENTS, &subscribe,
312 			sizeof(subscribe));
313 
314 	tst_resm(TPASS, "setsockopt(SCTP_EVENTS)");
315 
316 	/* Get the updated list of enabled events on udp_svr_sk and
317 	 * udp_clt_sk.
318 	 */
319 	optlen = sizeof(subscribe);
320 	test_getsockopt(udp_svr_sk, SCTP_EVENTS, &subscribe, &optlen);
321 	optlen = sizeof(subscribe);
322 	test_getsockopt(udp_clt_sk, SCTP_EVENTS, &subscribe, &optlen);
323 
324 	/* Send a message.  This will create the association.  */
325 	outmessage.msg_iov->iov_base = message;
326 	outmessage.msg_iov->iov_len = strlen(message) + 1;
327 	test_sendmsg(udp_clt_sk, &outmessage, 0, strlen(message)+1);
328 
329 	/* Get the message which was sent.  */
330 	inmessage.msg_controllen = sizeof(incmsg);
331 	error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
332         test_check_msg_data(&inmessage, error, strlen(message) + 1,
333 			    MSG_EOR, 0, 0);
334 	/* Verify that we received the msg without any ancillary data. */
335 	if (inmessage.msg_controllen != 0)
336 		tst_brkm(TBROK, tst_exit, "Receive unexpected ancillary"
337 			 "data");
338 
339 	/* Enable SCTP_SHUTDOWN_EVENTs on udp_svr_sk. */
340 	memset(&subscribe, 0, sizeof(struct sctp_event_subscribe));
341 	subscribe.sctp_shutdown_event = 1;
342 	test_setsockopt(udp_svr_sk, SCTP_EVENTS, &subscribe,
343 			sizeof(subscribe));
344 
345 	error = 0;
346         /* Shut down the link.  */
347         close(udp_clt_sk);
348 
349 	/* Get the SHUTDOWN_EVENT notification on udp_svr_sk. */
350 	inmessage.msg_controllen = sizeof(incmsg);
351 	error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
352 	test_check_msg_notification(&inmessage, error,
353 				    sizeof(struct sctp_shutdown_event),
354 				    SCTP_SHUTDOWN_EVENT, 0);
355 
356 	tst_resm(TPASS, "setsockopt(SCTP_EVENTS) - SCTP_SHUTDOWN_EVENT");
357 
358         close(udp_svr_sk);
359 
360 	/* TEST #3: whether sctp_opt_info equals */
361         /* Create the two endpoints which will talk to each other.  */
362 	udp_svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
363 	udp_clt_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
364 
365 	/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
366 	test_enable_assoc_change(udp_svr_sk);
367 	test_enable_assoc_change(udp_clt_sk);
368 
369 	/* Bind these sockets to the test ports.  */
370 	test_bind(udp_svr_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
371 	test_bind(udp_clt_sk, &udp_clt_loop.sa, sizeof(udp_clt_loop));
372 
373 	/* Mark udp_svr_sk as being able to accept new associations.  */
374 	test_listen(udp_svr_sk, 1);
375 
376         /* Send the first message.  This will create the association.  */
377         outmessage.msg_name = &udp_svr_loop;
378         outmessage.msg_namelen = sizeof(udp_svr_loop);
379         outmessage.msg_iov = &out_iov;
380         outmessage.msg_iovlen = 1;
381         outmessage.msg_control = outcmsg;
382         outmessage.msg_controllen = sizeof(outcmsg);
383         outmessage.msg_flags = 0;
384 	cmsg = CMSG_FIRSTHDR(&outmessage);
385 	cmsg->cmsg_level = IPPROTO_SCTP;
386 	cmsg->cmsg_type = SCTP_SNDRCV;
387 	cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
388 	outmessage.msg_controllen = cmsg->cmsg_len;
389 	sinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
390 	memset(sinfo, 0x00, sizeof(struct sctp_sndrcvinfo));
391 	ppid = rand(); /* Choose an arbitrary value. */
392 	stream = 1;
393 	sinfo->sinfo_ppid = ppid;
394 	sinfo->sinfo_stream = stream;
395         outmessage.msg_iov->iov_base = message;
396         outmessage.msg_iov->iov_len = strlen(message) + 1;
397         test_sendmsg(udp_clt_sk, &outmessage, 0, strlen(message)+1);
398 
399         /* Get the communication up message on udp_clt_sk.  */
400         inmessage.msg_controllen = sizeof(incmsg);
401         error = test_recvmsg(udp_clt_sk, &inmessage, MSG_WAITALL);
402 	test_check_msg_notification(&inmessage, error,
403 				    sizeof(struct sctp_assoc_change),
404 				    SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
405 	sac = (struct sctp_assoc_change *)iov.iov_base;
406 	udp_clt_associd = sac->sac_assoc_id;
407 
408 	/* Compare the SCTP_STATUS result between sctp_opt_info and
409 	 * getsockopt
410 	 */
411 	{
412 		struct sctp_status status1, status2;
413 
414 		memset(&status1, 0, sizeof(status1));
415 		memset(&status2, 0, sizeof(status2));
416 		optlen = sizeof(struct sctp_status);
417 
418 		/* Test SCTP_STATUS for udp_clt_sk's given association. */
419 		error = sctp_opt_info(udp_clt_sk,udp_clt_associd,SCTP_STATUS,
420 				(char *)&status1, &optlen);
421 		if (error != 0)
422 	                tst_brkm(TBROK, tst_exit,
423 				 "sctp_opt_info(SCTP_STATUS): %s",
424 				 strerror(errno));
425 
426 		status2.sstat_assoc_id = udp_clt_associd;
427 		error = getsockopt(udp_clt_sk, IPPROTO_SCTP, SCTP_STATUS,
428                 		(char *)&status2, &optlen);
429 		if (error != 0)
430 	                tst_brkm(TBROK, tst_exit,
431 				 "getsockopt(SCTP_STATUS): %s",
432 				 strerror(errno));
433 		if (strncmp((char *)&status1, (char *)&status2, optlen))
434 	                tst_brkm(TBROK, tst_exit, "sctp_opt_info(SCTP_STAUS)"
435 			       "doesn't match getsockopt(SCTP_STATUS)");
436 
437                 tst_resm(TPASS, "sctp_opt_info(SCTP_STATUS)");
438 	}
439 	error = 0;
440         /* Shut down the link.  */
441         close(udp_svr_sk);
442         close(udp_clt_sk);
443 
444 	/* TEST #4: SCTP_INITMSG socket option. */
445         /* Create a socket.  */
446 	udp_svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
447 
448 	/* Bind this socket to the test port.  */
449 	test_bind(udp_svr_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
450 
451 	/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
452 	test_enable_assoc_change(udp_svr_sk);
453 
454 	/* Get the default parameters for association initialization. */
455 	optlen = sizeof(initmsg);
456 	test_getsockopt(udp_svr_sk, SCTP_INITMSG, &initmsg, &optlen);
457 
458 	tst_resm(TPASS, "getsockopt(SCTP_INITMSG)");
459 
460 	/* Change the parameters for association initialization. */
461 	initmsg.sinit_num_ostreams = 5;
462 	initmsg.sinit_max_instreams = 5;
463 	initmsg.sinit_max_attempts = 3;
464 	initmsg.sinit_max_init_timeo = 30;
465 	test_setsockopt(udp_svr_sk, SCTP_INITMSG, &initmsg, sizeof(initmsg));
466 
467 	tst_resm(TPASS, "setsockopt(SCTP_INITMSG)");
468 
469 	/* Get the updated parameters for association initialization. */
470 	optlen = sizeof(initmsg);
471 	test_getsockopt(udp_svr_sk, SCTP_INITMSG, &initmsg, &optlen);
472 
473 	close(udp_svr_sk);
474 
475 	/* TEST #5: SCTP_PEER_ADDR_PARAMS socket option. */
476         /* Create a socket.  */
477 	udp_svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
478 
479 	/* Get the default parameters for this endpoint */
480 	optlen = sizeof(paddrparams);
481 	memset(&paddrparams, 0, sizeof(paddrparams));
482 	paddrparams.spp_address.ss_family = AF_INET;
483 	test_getsockopt(udp_svr_sk, SCTP_PEER_ADDR_PARAMS, &paddrparams,
484 								&optlen);
485 
486 	dflt_pathmaxrxt = paddrparams.spp_pathmaxrxt;
487 	tst_resm(TPASS, "getsockopt(SCTP_PEER_ADDR_PARAMS)");
488 
489 	/* Change the default parameters for this endpoint (socket) */
490 	paddrparams.spp_hbinterval = 1000;
491 	paddrparams.spp_pathmaxrxt = dflt_pathmaxrxt+1;
492 	paddrparams.spp_sackdelay = 100;
493 	test_setsockopt(udp_svr_sk, SCTP_PEER_ADDR_PARAMS, &paddrparams,
494 							sizeof(paddrparams));
495 
496 	paddrparams.spp_pathmaxrxt = 0;
497 
498 	/* Get the updated default parameters for this endpoint. */
499 	optlen = sizeof(paddrparams);
500 	test_getsockopt(udp_svr_sk, SCTP_PEER_ADDR_PARAMS, &paddrparams,
501 								&optlen);
502 	if (paddrparams.spp_pathmaxrxt != dflt_pathmaxrxt+1)
503 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
504 			 "mismatch");
505 
506 	value.assoc_id = 0;
507 	optlen = sizeof(value);
508 	test_getsockopt(udp_svr_sk, SCTP_DELAYED_ACK_TIME, &value,
509 								&optlen);
510 	if (value.assoc_value != 100)
511 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DELAYED_ACK_TIME) "
512 			 "mismatch");
513 
514 	value.assoc_id    = 0;
515 	value.assoc_value = 250;
516 	test_setsockopt(udp_svr_sk, SCTP_DELAYED_ACK_TIME, &value,
517 							sizeof(value));
518 	optlen = sizeof(paddrparams);
519 	test_getsockopt(udp_svr_sk, SCTP_PEER_ADDR_PARAMS, &paddrparams,
520 								&optlen);
521 	if (paddrparams.spp_sackdelay != 250)
522 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_DELAYED_ACK_TIME) "
523 			 "mismatch");
524 
525 	tst_resm(TPASS, "setsockopt(SCTP_DELAYED_ACK_TIME)");
526 
527 
528 	/* Ensure that prior defaults are preserved for a new endpoint */
529 	udp_clt_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
530 	optlen = sizeof(paddrparams);
531 	memset(&paddrparams, 0, sizeof(paddrparams));
532 	paddrparams.spp_address.ss_family = AF_INET;
533 	test_getsockopt(udp_clt_sk, SCTP_PEER_ADDR_PARAMS, &paddrparams,
534 								&optlen);
535 	if (paddrparams.spp_pathmaxrxt != dflt_pathmaxrxt)
536 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_PEER_ADDR_PARAMS) "
537 			 "mismatch");
538 
539 
540 	tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS)");
541 
542        	/* Invalid assoc id */
543 	paddrparams.spp_assoc_id = 1234;
544         error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
545 			   &paddrparams,
546 			   sizeof(paddrparams));
547 	if ((-1 != error) || (EINVAL != errno))
548 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
549 			 "invalid associd error:%d, errno:%d\n",
550 			 error, errno);
551 
552 	tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
553 		 "- one-to-many style invalid associd");
554 
555 	test_bind(udp_svr_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
556 	test_bind(udp_clt_sk, &udp_clt_loop.sa, sizeof(udp_clt_loop));
557 
558 	test_listen(udp_svr_sk, 5);
559 
560 	test_enable_assoc_change(udp_svr_sk);
561 	test_enable_assoc_change(udp_clt_sk);
562 
563 	/* Do a connect on a UDP-style socket and establish an association. */
564 	test_connect(udp_clt_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
565 
566 	/* Receive the COMM_UP notifications and get the associd's */
567 	inmessage.msg_controllen = sizeof(incmsg);
568 	error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
569 	test_check_msg_notification(&inmessage, error,
570 				    sizeof(struct sctp_assoc_change),
571 				    SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
572 	sac = (struct sctp_assoc_change *)iov.iov_base;
573 
574 	paddrparams.spp_assoc_id = sac->sac_assoc_id;
575 	memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
576 	paddrparams.spp_hbinterval = 1000;
577 	paddrparams.spp_pathmaxrxt = dflt_pathmaxrxt+1;
578 	test_setsockopt(udp_svr_sk, SCTP_PEER_ADDR_PARAMS, &paddrparams,
579 							sizeof(paddrparams));
580 	tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) - "
581 		 "one-to-many style valid associd valid address");
582 
583 	paddrparams.spp_assoc_id = sac->sac_assoc_id;
584 	memcpy(&paddrparams.spp_address, &udp_svr_loop, sizeof(udp_svr_loop));
585 	paddrparams.spp_hbinterval = 1000;
586 	paddrparams.spp_pathmaxrxt = dflt_pathmaxrxt+1;
587 
588         error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
589 			   &paddrparams,
590 			   sizeof(paddrparams));
591 	if ((-1 != error) || (EINVAL != errno))
592 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
593 			 "invalid transport error:%d, errno:%d\n",
594 			 error, errno);
595 
596 	tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
597 		 "- one-to-many style invalid transport");
598 
599 	paddrparams.spp_assoc_id = sac->sac_assoc_id;
600 	memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
601 	paddrparams.spp_hbinterval = 1000;
602 	paddrparams.spp_pathmaxrxt = dflt_pathmaxrxt+1;
603 
604         error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
605 			   &paddrparams,
606 			   sizeof(paddrparams) - 1);
607 	if ((-1 != error) || (EINVAL != errno))
608 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
609 			 "invalid parameter length error:%d, errno:%d\n",
610 			 error, errno);
611 
612 	tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
613 		 "- one-to-many style invalid parameter length");
614 
615         error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_DELAYED_ACK_TIME,
616 			   &value,
617 			   sizeof(value) - 1);
618 	if ((-1 != error) || (EINVAL != errno))
619 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_DELAYED_ACK_TIME) "
620 			 "invalid parameter length error:%d, errno:%d\n",
621 			 error, errno);
622 
623 	tst_resm(TPASS, "setsockopt(SCTP_DELAYED_ACK_TIME) "
624 		 "- one-to-many style invalid parameter length");
625 
626 	memset(&paddrparams, 0, sizeof(paddrparams));
627 	paddrparams.spp_assoc_id = sac->sac_assoc_id;
628 	memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
629 	paddrparams.spp_sackdelay = 501;
630 
631         error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
632 			   &paddrparams,
633 			   sizeof(paddrparams));
634 	if ((-1 != error) || (EINVAL != errno))
635 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
636 			 "invalid sack delay error:%d, errno:%d\n",
637 			 error, errno);
638 
639 	tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
640 		 "- one-to-many style invalid sack delay");
641 
642 	value.assoc_id    = sac->sac_assoc_id;
643 	value.assoc_value = 501;
644 
645         error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_DELAYED_ACK_TIME,
646 			   &value,
647 			   sizeof(value));
648 	if ((-1 != error) || (EINVAL != errno))
649 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_DELAYED_ACK_TIME) "
650 			 "invalid sack delay error:%d, errno:%d\n",
651 			 error, errno);
652 
653 	tst_resm(TPASS, "setsockopt(SCTP_DELAYED_ACK_TIME) "
654 		 "- one-to-many style invalid sack delay");
655 
656 	memset(&paddrparams, 0, sizeof(paddrparams));
657 	paddrparams.spp_assoc_id = sac->sac_assoc_id;
658 	memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
659 	paddrparams.spp_pathmtu = 511;
660 
661         error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
662 			   &paddrparams,
663 			   sizeof(paddrparams));
664 	if ((-1 != error) || (EINVAL != errno))
665 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
666 			 "invalid path MTU error:%d, errno:%d\n",
667 			 error, errno);
668 
669 	tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
670 		 "- one-to-many style invalid path MTU");
671 
672 	memset(&paddrparams, 0, sizeof(paddrparams));
673 	paddrparams.spp_assoc_id = sac->sac_assoc_id;
674 	memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
675 	paddrparams.spp_flags = SPP_HB_ENABLE | SPP_HB_DISABLE;
676 
677         error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
678 			   &paddrparams,
679 			   sizeof(paddrparams));
680 	if ((-1 != error) || (EINVAL != errno))
681 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
682 			 "invalid hb enable flags error:%d, errno:%d\n",
683 			 error, errno);
684 
685 	tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
686 		 "- one-to-many style invalid hb enable flags");
687 
688 	memset(&paddrparams, 0, sizeof(paddrparams));
689 	paddrparams.spp_assoc_id = sac->sac_assoc_id;
690 	memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
691 	paddrparams.spp_flags = SPP_PMTUD_ENABLE | SPP_PMTUD_DISABLE;
692 
693         error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
694 			   &paddrparams,
695 			   sizeof(paddrparams));
696 	if ((-1 != error) || (EINVAL != errno))
697 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
698 			 "invalid PMTU discovery enable flags error:%d, errno:%d\n",
699 			 error, errno);
700 
701 	tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
702 		 "- one-to-many style invalid PMTU discovery enable flags");
703 
704 	memset(&paddrparams, 0, sizeof(paddrparams));
705 	paddrparams.spp_assoc_id = sac->sac_assoc_id;
706 	memcpy(&paddrparams.spp_address, &udp_clt_loop, sizeof(udp_clt_loop));
707 	paddrparams.spp_flags = SPP_SACKDELAY_ENABLE | SPP_SACKDELAY_DISABLE;
708 
709         error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
710 			   &paddrparams,
711 			   sizeof(paddrparams));
712 	if ((-1 != error) || (EINVAL != errno))
713 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
714 			 "invalid sack delay enable flags error:%d, errno:%d\n",
715 			 error, errno);
716 
717 	tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
718 		 "- one-to-many style invalid sack delay enable flags");
719 
720 	memset(&paddrparams, 0, sizeof(paddrparams));
721 	paddrparams.spp_flags = SPP_HB_DEMAND;
722 
723         error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_PEER_ADDR_PARAMS,
724 			   &paddrparams,
725 			   sizeof(paddrparams));
726 	if ((-1 != error) || (EINVAL != errno))
727 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
728 			 "invalid hb demand error:%d, errno:%d\n",
729 			 error, errno);
730 
731 	tst_resm(TPASS, "setsockopt(SCTP_PEER_ADDR_PARAMS) "
732 		 "- one-to-many style invalid hb demand");
733 
734 	close(udp_svr_sk);
735 	close(udp_clt_sk);
736 
737 
738 	/* TEST #6: SCTP_DEFAULT_SEND_PARAM socket option. */
739 	/* Create and bind 2 UDP-style sockets(udp_svr_sk, udp_clt_sk) and
740 	 * 2 TCP-style sockets. (tcp_svr_sk, tcp_clt_sk)
741 	 */
742 	udp_svr_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
743 	udp_clt_sk = test_socket(pf_class, SOCK_SEQPACKET, IPPROTO_SCTP);
744 	tcp_svr_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
745 	tcp_clt_sk = test_socket(pf_class, SOCK_STREAM, IPPROTO_SCTP);
746 
747 	/* Enable ASSOC_CHANGE and SNDRCVINFO notifications. */
748 	test_enable_assoc_change(udp_svr_sk);
749 	test_enable_assoc_change(udp_clt_sk);
750 	test_enable_assoc_change(tcp_svr_sk);
751 	test_enable_assoc_change(tcp_clt_sk);
752 
753 	test_bind(udp_svr_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
754 	test_bind(udp_clt_sk, &udp_clt_loop.sa, sizeof(udp_clt_loop));
755 	test_bind(tcp_svr_sk, &tcp_svr_loop.sa, sizeof(tcp_svr_loop));
756 	test_bind(tcp_clt_sk, &tcp_clt_loop.sa, sizeof(tcp_clt_loop));
757 
758 	/* Mark udp_svr_sk and tcp_svr_sk as being able to accept new
759 	 * associations.
760 	 */
761 	test_listen(udp_svr_sk, 5);
762 	test_listen(tcp_svr_sk, 5);
763 
764 	/* Set default send parameters on the unconnected UDP-style sockets. */
765 	memset(&set_udp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
766 	set_udp_sk_dflt_param.sinfo_ppid = 1000;
767 	test_setsockopt(udp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
768 			&set_udp_sk_dflt_param, sizeof(set_udp_sk_dflt_param));
769 	memset(&set_udp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
770 	set_udp_sk_dflt_param.sinfo_ppid = 1000;
771 	test_setsockopt(udp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
772 			&set_udp_sk_dflt_param, sizeof(set_udp_sk_dflt_param));
773 
774 	tst_resm(TPASS, "setsockopt(SCTP_DEFAULT_SEND_PARAM) - "
775 		 "one-to-many style socket");
776 
777 	/* Get default send parameters on the unconnected UDP-style socket. */
778 	memset(&get_udp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
779 	optlen = sizeof(get_udp_sk_dflt_param);
780 	test_getsockopt(udp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
781 			&get_udp_sk_dflt_param, &optlen);
782 
783 	/* Verify that the get param matches set param. */
784 	if (set_udp_sk_dflt_param.sinfo_ppid !=
785 			get_udp_sk_dflt_param.sinfo_ppid)
786 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
787 			 "mismatch.");
788 
789 	/* Get default send parameters on the unconnected UDP-style socket. */
790 	memset(&get_udp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
791 	optlen = sizeof(get_udp_sk_dflt_param);
792 	test_getsockopt(udp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
793 		       &get_udp_sk_dflt_param, &optlen);
794 
795 	/* Verify that the get param matches set param. */
796 	if (set_udp_sk_dflt_param.sinfo_ppid !=
797 			get_udp_sk_dflt_param.sinfo_ppid)
798 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
799 			 "mismatch.");
800 
801 	tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
802 		 "one-to-many style socket");
803 
804 	/* Verify that trying to set send params with an invalid assoc id
805 	 * on an UDP-style socket fails.
806 	 */
807 	memset(&set_udp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
808 	set_udp_sk_dflt_param.sinfo_ppid = 1000;
809        	/* Invalid assoc id */
810 	set_udp_sk_dflt_param.sinfo_assoc_id = 1234;
811         error = setsockopt(udp_clt_sk, SOL_SCTP, SCTP_DEFAULT_SEND_PARAM,
812 			   &set_udp_sk_dflt_param,
813 			   sizeof(set_udp_sk_dflt_param));
814 	if ((-1 != error) || (EINVAL != errno))
815 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_DEFAULT_SEND_PARAM) "
816 			 "invalid associd error:%d, errno:%d\n",
817 			 error, errno);
818 
819 	tst_resm(TPASS, "setsockopt(SCTP_DEFAULT_SEND_PARAM) "
820 		 "- one-to-many style invalid associd");
821 
822 	/* Do a connect on a UDP-style socket and establish an association. */
823 	test_connect(udp_clt_sk, &udp_svr_loop.sa, sizeof(udp_svr_loop));
824 
825 	/* Receive the COMM_UP notifications and get the associd's */
826 	inmessage.msg_controllen = sizeof(incmsg);
827 	error = test_recvmsg(udp_svr_sk, &inmessage, MSG_WAITALL);
828 	test_check_msg_notification(&inmessage, error,
829 				    sizeof(struct sctp_assoc_change),
830 				    SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
831 	sac = (struct sctp_assoc_change *)iov.iov_base;
832 	udp_svr_associd = sac->sac_assoc_id;
833 
834 	inmessage.msg_controllen = sizeof(incmsg);
835 	error = test_recvmsg(udp_clt_sk, &inmessage, MSG_WAITALL);
836 	test_check_msg_notification(&inmessage, error,
837 				    sizeof(struct sctp_assoc_change),
838 				    SCTP_ASSOC_CHANGE, SCTP_COMM_UP);
839 	sac = (struct sctp_assoc_change *)iov.iov_base;
840 	udp_clt_associd = sac->sac_assoc_id;
841 
842 	/* Verify that trying to set send params with an assoc id not
843 	 * belonging to the socket on an UDP-style socket fails.
844 	 */
845 	memset(&set_udp_assoc_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
846 	set_udp_assoc_dflt_param.sinfo_ppid = 3000;
847 	set_udp_assoc_dflt_param.sinfo_assoc_id = udp_clt_associd;
848 	error = setsockopt(udp_svr_sk, SOL_SCTP, SCTP_DEFAULT_SEND_PARAM,
849 			   &set_udp_assoc_dflt_param,
850 			   sizeof(set_udp_assoc_dflt_param));
851 	if ((-1 != error) || (EINVAL != errno))
852 		tst_brkm(TBROK, tst_exit, "setsockopt(SCTP_DEFAULT_SEND_PARAM) "
853 			 "associd belonging to another socket "
854 			 "error:%d, errno:%d", error, errno);
855 
856 	tst_resm(TPASS, "setsockopt(SCTP_DEFAULT_SEND_PARAM) - "
857 		 "one-to-many style associd belonging to another socket");
858 
859 	/* Set default send parameters of an association on the listening
860 	 * UDP-style socket with a valid associd.
861 	 */
862 	memset(&set_udp_assoc_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
863 	set_udp_assoc_dflt_param.sinfo_ppid = 3000;
864 	set_udp_assoc_dflt_param.sinfo_assoc_id = udp_svr_associd;
865 	test_setsockopt(udp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
866 			&set_udp_assoc_dflt_param,
867 			sizeof(set_udp_assoc_dflt_param));
868 
869 	tst_resm(TPASS, "setsockopt(SCTP_DEFAULT_SEND_PARAM) - "
870 		 "one-to-many style valid associd");
871 
872 	/* Get default send parameters of an association on the listening
873 	 * UDP-style socket with a valid associd.
874 	 */
875 	memset(&get_udp_assoc_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
876 	get_udp_assoc_dflt_param.sinfo_assoc_id = udp_svr_associd ;
877 	optlen = sizeof(get_udp_assoc_dflt_param);
878 	test_getsockopt(udp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
879 			&get_udp_assoc_dflt_param, &optlen);
880 
881 	/* Verify that the get param matches the set param. */
882 	if (get_udp_assoc_dflt_param.sinfo_ppid !=
883 			set_udp_assoc_dflt_param.sinfo_ppid)
884 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
885 			 "mismatch.");
886 
887 	tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
888 		 "one-to-many style valid associd");
889 
890 	/* Get default send parameters of an association on the connected
891 	 * UDP-style socket with zero associd. This should return the
892 	 * socket wide default parameters.
893 	 */
894 	memset(&get_udp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
895 	get_udp_sk_dflt_param.sinfo_assoc_id = 0 ;
896 	optlen = sizeof(get_udp_sk_dflt_param);
897 	test_getsockopt(udp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
898 			&get_udp_sk_dflt_param, &optlen);
899 
900 	/* Verify that the get param matches the socket-wide set param. */
901 	if (get_udp_sk_dflt_param.sinfo_ppid !=
902 			set_udp_sk_dflt_param.sinfo_ppid)
903 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
904 			 "mismatch.");
905 
906 	tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
907 		 "one-to-many style zero associd");
908 
909 	peeloff_sk = test_sctp_peeloff(udp_svr_sk, udp_svr_associd);
910 
911 	/* Get default send parameters of an association on the peeled off
912 	 * UDP-style socket. This should return the association's default
913 	 * parameters.
914 	 */
915 	memset(&get_peeloff_assoc_dflt_param, 0,
916 	       sizeof(struct sctp_sndrcvinfo));
917 	get_peeloff_assoc_dflt_param.sinfo_assoc_id = 0 ;
918 	optlen = sizeof(get_peeloff_assoc_dflt_param);
919 	test_getsockopt(peeloff_sk, SCTP_DEFAULT_SEND_PARAM,
920 			&get_peeloff_assoc_dflt_param, &optlen);
921 
922 	/* Verify that the get param matches the association's set param. */
923 	if (get_peeloff_assoc_dflt_param.sinfo_ppid !=
924 			set_udp_assoc_dflt_param.sinfo_ppid)
925 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
926 			 "mismatch.");
927 
928 	tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
929 		 "one-to-many style peeled off socket");
930 
931 	/* Set default send parameters on the unconnected TCP-style sockets. */
932 	memset(&set_tcp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
933 	set_tcp_sk_dflt_param.sinfo_ppid = 2000;
934 	/* Invalid assoc id, ignored on a TCP-style socket. */
935 	set_tcp_sk_dflt_param.sinfo_assoc_id = 1234;
936 	test_setsockopt(tcp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
937 			&set_tcp_sk_dflt_param,
938 			sizeof(set_tcp_sk_dflt_param));
939 
940 	/* Set default send parameters on the unconnected TCP-style sockets. */
941 	memset(&set_tcp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
942 	set_tcp_sk_dflt_param.sinfo_ppid = 2000;
943 	/* Invalid assoc id, ignored on a TCP-style socket. */
944 	set_tcp_sk_dflt_param.sinfo_assoc_id = 1234;
945 	test_setsockopt(tcp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
946 			&set_tcp_sk_dflt_param,
947 			sizeof(set_tcp_sk_dflt_param));
948 
949 	tst_resm(TPASS, "setsockopt(SCTP_DEFAULT_SEND_PARAM) - "
950 		 "one-to-one style socket");
951 
952 	/* Get default send parameters on the unconnected TCP-style socket. */
953 	memset(&get_tcp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
954 	optlen = sizeof(get_tcp_sk_dflt_param);
955 	test_getsockopt(tcp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
956 			&get_tcp_sk_dflt_param, &optlen);
957 
958 	/* Verify that the get param matches set param. */
959 	if (set_tcp_sk_dflt_param.sinfo_ppid !=
960 			get_tcp_sk_dflt_param.sinfo_ppid)
961 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
962 			 "mismatch.");
963 
964 	/* Get default send parameters on the unconnected TCP-style socket. */
965 	memset(&get_tcp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
966 	optlen = sizeof(get_tcp_sk_dflt_param);
967 	test_getsockopt(tcp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
968 			&get_tcp_sk_dflt_param, &optlen);
969 
970 	/* Verify that the get param matches set param. */
971 	if (set_tcp_sk_dflt_param.sinfo_ppid !=
972 			get_tcp_sk_dflt_param.sinfo_ppid)
973 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
974 			 "mismatch.");
975 
976 	tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
977 		 "one-to-one style socket");
978 
979 	/* Do a connect on a TCP-style socket and establish an association. */
980 	test_connect(tcp_clt_sk, &tcp_svr_loop.sa, sizeof(tcp_svr_loop));
981 
982 	/* Set default send parameters of an association on the connected
983 	 * TCP-style socket.
984 	 */
985 	memset(&set_tcp_assoc_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
986 	set_tcp_assoc_dflt_param.sinfo_ppid = 4000;
987 	set_tcp_assoc_dflt_param.sinfo_assoc_id = 0;
988 	test_setsockopt(tcp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
989 			&set_tcp_assoc_dflt_param,
990 			sizeof(set_tcp_assoc_dflt_param));
991 
992 	tst_resm(TPASS, "setsockopt(SCTP_DEFAULT_SEND_PARAM) - "
993 		 "one-to-one style assoc");
994 
995 	/* Get default send parameters of an association on the connected
996 	 * TCP-style socket.
997 	 */
998 	memset(&get_tcp_assoc_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
999 	optlen = sizeof(get_tcp_assoc_dflt_param);
1000 	test_getsockopt(tcp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
1001 			&get_tcp_assoc_dflt_param, &optlen);
1002 
1003 	if (set_tcp_assoc_dflt_param.sinfo_ppid !=
1004 			get_tcp_assoc_dflt_param.sinfo_ppid)
1005 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
1006 			 "mismatch.");
1007 
1008 	/* Get default send parameters on the connected TCP-style socket.  */
1009 	memset(&get_tcp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
1010 	optlen = sizeof(get_tcp_sk_dflt_param);
1011 	test_getsockopt(tcp_clt_sk, SCTP_DEFAULT_SEND_PARAM,
1012 			&get_tcp_sk_dflt_param, &optlen);
1013 
1014 	/* Verify that the get parameters returned matches the set param
1015 	 * set for the association, not the socket-wide param.
1016 	 */
1017 	if ((get_tcp_sk_dflt_param.sinfo_ppid ==
1018 			set_tcp_sk_dflt_param.sinfo_ppid) ||
1019 	    (get_tcp_sk_dflt_param.sinfo_ppid !=
1020 	    		set_tcp_assoc_dflt_param.sinfo_ppid))
1021 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
1022 			 "mismatch.");
1023 
1024 	/* Get default send parameters on the listening TCP-style socket.  */
1025 	memset(&get_tcp_sk_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
1026 	optlen = sizeof(get_tcp_sk_dflt_param);
1027 	test_getsockopt(tcp_svr_sk, SCTP_DEFAULT_SEND_PARAM,
1028 			&get_tcp_sk_dflt_param, &optlen);
1029 
1030 	/* Verify that the get parameters returned matches the socket-wide
1031 	 * set param.
1032 	 */
1033 	if (get_tcp_sk_dflt_param.sinfo_ppid !=
1034 			set_tcp_sk_dflt_param.sinfo_ppid)
1035 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
1036 			 "mismatch.");
1037 
1038 	tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
1039 		 "one-to-one style assoc");
1040 
1041 	accept_sk = test_accept(tcp_svr_sk, NULL, &addrlen);
1042 
1043 	/* Get default send parameters of an association on the accepted
1044 	 * TCP-style socket.
1045 	 */
1046 	memset(&get_accept_assoc_dflt_param, 0, sizeof(struct sctp_sndrcvinfo));
1047 	optlen = sizeof(get_accept_assoc_dflt_param);
1048 	test_getsockopt(accept_sk, SCTP_DEFAULT_SEND_PARAM,
1049 			&get_accept_assoc_dflt_param, &optlen);
1050 
1051 	error = 0;
1052 
1053 	/* Verify that the get parameters returned matches the socket-wide
1054 	 * set param.
1055 	 */
1056 	if (get_tcp_sk_dflt_param.sinfo_ppid !=
1057 			set_tcp_sk_dflt_param.sinfo_ppid)
1058 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_DEFAULT_SEND_PARAM) "
1059 			 "mismatch.");
1060 
1061 	tst_resm(TPASS, "getsockopt(SCTP_DEFAULT_SEND_PARAM) - "
1062 		 "one-to-one style accepted socket");
1063 
1064 	/* TEST #7: SCTP_GET_PEER_ADDR_INFO socket option. */
1065 	/* Try 0 associd and 0 addr */
1066 	memset(&pinfo, 0, sizeof(pinfo));
1067 	optlen = sizeof(pinfo);
1068 	error = getsockopt(udp_clt_sk, SOL_SCTP, SCTP_GET_PEER_ADDR_INFO,
1069 			   &pinfo, &optlen);
1070 	if ((-1 != error) || (EINVAL != errno))
1071 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_GET_PEER_ADDR_INFO) "
1072 			 "null associd, null addr error:%d, errno:%d\n",
1073 			error, errno);
1074 
1075 	tst_resm(TPASS, "getsockopt(SCTP_GET_PEER_ADDR_INFO) - "
1076 		 "null associd and null addr");
1077 
1078 	/* Try valid associd, but 0 addr */
1079 	memset(&pinfo, 0, sizeof(pinfo));
1080 	optlen = sizeof(pinfo);
1081 	pinfo.spinfo_assoc_id = udp_clt_associd;
1082 	error = getsockopt(udp_clt_sk, SOL_SCTP, SCTP_GET_PEER_ADDR_INFO,
1083 			   &pinfo, &optlen);
1084 	if ((-1 != error) || (EINVAL != errno))
1085 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_GET_PEER_ADDR_INFO) "
1086 			 "valid associd, null addr error:%d, errno:%d\n",
1087 			error, errno);
1088 
1089 	tst_resm(TPASS, "getsockopt(SCTP_GET_PEER_ADDR_INFO) - "
1090 		 "valid associd and null addr");
1091 
1092 	/* Try valid associd, invalid addr */
1093 	memset(&pinfo, 0, sizeof(pinfo));
1094 	optlen = sizeof(pinfo);
1095 	pinfo.spinfo_assoc_id = udp_clt_associd;
1096 	memcpy(&pinfo.spinfo_address, &udp_clt_loop, sizeof(udp_clt_loop));
1097 	error = getsockopt(udp_clt_sk, SOL_SCTP, SCTP_GET_PEER_ADDR_INFO,
1098 			   &pinfo, &optlen);
1099 	if ((-1 != error) || (EINVAL != errno))
1100 		tst_brkm(TBROK, tst_exit, "getsockopt(SCTP_GET_PEER_ADDR_INFO) "
1101 			 "valid associd, invalid addr error:%d, errno:%d\n",
1102 			error, errno);
1103 
1104 	tst_resm(TPASS, "getsockopt(SCTP_GET_PEER_ADDR_INFO) - "
1105 		 "valid associd and invalid addr");
1106 
1107 	/* Try valid associd, valid addr */
1108 	memset(&pinfo, 0, sizeof(pinfo));
1109 	optlen = sizeof(pinfo);
1110 	pinfo.spinfo_assoc_id = udp_clt_associd;
1111 	memcpy(&pinfo.spinfo_address, &udp_svr_loop, sizeof(udp_svr_loop));
1112 	test_getsockopt(udp_clt_sk, SCTP_GET_PEER_ADDR_INFO, &pinfo, &optlen);
1113 
1114 	tst_resm(TPASS, "getsockopt(SCTP_GET_PEER_ADDR_INFO) - "
1115 		 "valid associd and valid addr");
1116 
1117 	/* Try valid addr, peeled off socket */
1118 	memset(&pinfo, 0, sizeof(pinfo));
1119 	optlen = sizeof(pinfo);
1120 	pinfo.spinfo_assoc_id = 0;
1121 	memcpy(&pinfo.spinfo_address, &udp_clt_loop, sizeof(udp_clt_loop));
1122 	test_getsockopt(peeloff_sk, SCTP_GET_PEER_ADDR_INFO, &pinfo, &optlen);
1123 
1124 	tst_resm(TPASS, "getsockopt(SCTP_GET_PEER_ADDR_INFO) - "
1125 		 "valid associd and valid addr peeled off socket");
1126 
1127 	/* Try valid addr, TCP-style accept socket */
1128 	memset(&pinfo, 0, sizeof(pinfo));
1129 	optlen = sizeof(pinfo);
1130 	pinfo.spinfo_assoc_id = 0;
1131 	memcpy(&pinfo.spinfo_address, &tcp_clt_loop, sizeof(tcp_clt_loop));
1132 	error = test_getsockopt(accept_sk, SCTP_GET_PEER_ADDR_INFO, &pinfo,
1133 				&optlen);
1134 
1135 	tst_resm(TPASS, "getsockopt(SCTP_GET_PEER_ADDR_INFO) - "
1136 		 "valid associd and valid addr accepted socket");
1137 
1138 	close(udp_svr_sk);
1139 	close(udp_clt_sk);
1140 	close(tcp_svr_sk);
1141 	close(tcp_clt_sk);
1142 	close(accept_sk);
1143 	close(peeloff_sk);
1144 
1145         /* Indicate successful completion.  */
1146         return 0;
1147 }
1148