xref: /spdk/test/unit/lib/nvmf/tcp.c/tcp_ut.c (revision 0ed85362c8132a2d1927757fbcade66b6660d26a)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright (c) Intel Corporation.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Intel Corporation nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include "spdk/stdinc.h"
35 #include "spdk/nvmf_spec.h"
36 #include "spdk_cunit.h"
37 
38 #include "spdk_internal/mock.h"
39 #include "spdk_internal/thread.h"
40 
41 #include "common/lib/test_env.c"
42 #include "common/lib/test_sock.c"
43 
44 #include "nvmf/ctrlr.c"
45 #include "nvmf/tcp.c"
46 
47 #define UT_IPV4_ADDR "192.168.0.1"
48 #define UT_PORT "4420"
49 #define UT_NVMF_ADRFAM_INVALID 0xf
50 #define UT_MAX_QUEUE_DEPTH 128
51 #define UT_MAX_QPAIRS_PER_CTRLR 128
52 #define UT_IN_CAPSULE_DATA_SIZE 1024
53 #define UT_MAX_IO_SIZE 4096
54 #define UT_IO_UNIT_SIZE 1024
55 #define UT_MAX_AQ_DEPTH 64
56 #define UT_SQ_HEAD_MAX 128
57 #define UT_NUM_SHARED_BUFFERS 128
58 
59 SPDK_LOG_REGISTER_COMPONENT("nvmf", SPDK_LOG_NVMF)
60 
61 DEFINE_STUB(spdk_nvmf_qpair_get_listen_trid,
62 	    int,
63 	    (struct spdk_nvmf_qpair *qpair, struct spdk_nvme_transport_id *trid),
64 	    0);
65 
66 DEFINE_STUB(nvmf_subsystem_add_ctrlr,
67 	    int,
68 	    (struct spdk_nvmf_subsystem *subsystem, struct spdk_nvmf_ctrlr *ctrlr),
69 	    0);
70 
71 DEFINE_STUB(nvmf_subsystem_get_ctrlr,
72 	    struct spdk_nvmf_ctrlr *,
73 	    (struct spdk_nvmf_subsystem *subsystem, uint16_t cntlid),
74 	    NULL);
75 
76 DEFINE_STUB(spdk_nvmf_tgt_find_subsystem,
77 	    struct spdk_nvmf_subsystem *,
78 	    (struct spdk_nvmf_tgt *tgt, const char *subnqn),
79 	    NULL);
80 
81 DEFINE_STUB(spdk_nvmf_subsystem_listener_allowed,
82 	    bool,
83 	    (struct spdk_nvmf_subsystem *subsystem, const struct spdk_nvme_transport_id *trid),
84 	    true);
85 
86 DEFINE_STUB_V(nvmf_get_discovery_log_page,
87 	      (struct spdk_nvmf_tgt *tgt, const char *hostnqn, struct iovec *iov,
88 	       uint32_t iovcnt, uint64_t offset, uint32_t length));
89 
90 DEFINE_STUB_V(nvmf_subsystem_remove_ctrlr,
91 	      (struct spdk_nvmf_subsystem *subsystem, struct spdk_nvmf_ctrlr *ctrlr));
92 
93 DEFINE_STUB(spdk_nvmf_subsystem_get_first_ns,
94 	    struct spdk_nvmf_ns *,
95 	    (struct spdk_nvmf_subsystem *subsystem),
96 	    NULL);
97 
98 DEFINE_STUB(spdk_nvmf_subsystem_get_next_ns,
99 	    struct spdk_nvmf_ns *,
100 	    (struct spdk_nvmf_subsystem *subsystem, struct spdk_nvmf_ns *prev_ns),
101 	    NULL);
102 
103 DEFINE_STUB(spdk_nvmf_subsystem_host_allowed,
104 	    bool,
105 	    (struct spdk_nvmf_subsystem *subsystem, const char *hostnqn),
106 	    true);
107 
108 DEFINE_STUB(nvmf_ctrlr_dsm_supported,
109 	    bool,
110 	    (struct spdk_nvmf_ctrlr *ctrlr),
111 	    false);
112 
113 DEFINE_STUB(nvmf_ctrlr_write_zeroes_supported,
114 	    bool,
115 	    (struct spdk_nvmf_ctrlr *ctrlr),
116 	    false);
117 
118 DEFINE_STUB(nvmf_bdev_ctrlr_read_cmd,
119 	    int,
120 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
121 	     struct spdk_nvmf_request *req),
122 	    0);
123 
124 DEFINE_STUB(nvmf_bdev_ctrlr_write_cmd,
125 	    int,
126 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
127 	     struct spdk_nvmf_request *req),
128 	    0);
129 
130 DEFINE_STUB(nvmf_bdev_ctrlr_compare_cmd,
131 	    int,
132 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
133 	     struct spdk_nvmf_request *req),
134 	    0);
135 
136 DEFINE_STUB(nvmf_bdev_ctrlr_compare_and_write_cmd,
137 	    int,
138 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
139 	     struct spdk_nvmf_request *cmp_req, struct spdk_nvmf_request *write_req),
140 	    0);
141 
142 DEFINE_STUB(nvmf_bdev_ctrlr_write_zeroes_cmd,
143 	    int,
144 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
145 	     struct spdk_nvmf_request *req),
146 	    0);
147 
148 DEFINE_STUB(nvmf_bdev_ctrlr_flush_cmd,
149 	    int,
150 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
151 	     struct spdk_nvmf_request *req),
152 	    0);
153 
154 DEFINE_STUB(nvmf_bdev_ctrlr_dsm_cmd,
155 	    int,
156 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
157 	     struct spdk_nvmf_request *req),
158 	    0);
159 
160 DEFINE_STUB(nvmf_bdev_ctrlr_nvme_passthru_io,
161 	    int,
162 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
163 	     struct spdk_nvmf_request *req),
164 	    0);
165 
166 DEFINE_STUB(spdk_nvmf_bdev_ctrlr_abort_cmd,
167 	    int,
168 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
169 	     struct spdk_nvmf_request *req, struct spdk_nvmf_request *req_to_abort),
170 	    0);
171 
172 DEFINE_STUB(nvmf_bdev_ctrlr_get_dif_ctx,
173 	    bool,
174 	    (struct spdk_bdev *bdev, struct spdk_nvme_cmd *cmd, struct spdk_dif_ctx *dif_ctx),
175 	    false);
176 
177 DEFINE_STUB(nvmf_transport_req_complete,
178 	    int,
179 	    (struct spdk_nvmf_request *req),
180 	    0);
181 
182 DEFINE_STUB_V(spdk_nvmf_request_free_buffers,
183 	      (struct spdk_nvmf_request *req, struct spdk_nvmf_transport_poll_group *group,
184 	       struct spdk_nvmf_transport *transport));
185 
186 DEFINE_STUB(spdk_sock_get_optimal_sock_group,
187 	    int,
188 	    (struct spdk_sock *sock, struct spdk_sock_group **group),
189 	    0);
190 
191 DEFINE_STUB(spdk_sock_group_get_ctx,
192 	    void *,
193 	    (struct spdk_sock_group *group),
194 	    NULL);
195 
196 DEFINE_STUB(spdk_sock_set_priority,
197 	    int,
198 	    (struct spdk_sock *sock, int priority),
199 	    0);
200 
201 DEFINE_STUB_V(nvmf_ns_reservation_request, (void *ctx));
202 
203 DEFINE_STUB_V(spdk_nvme_trid_populate_transport, (struct spdk_nvme_transport_id *trid,
204 		enum spdk_nvme_transport_type trtype));
205 DEFINE_STUB_V(spdk_nvmf_transport_register, (const struct spdk_nvmf_transport_ops *ops));
206 
207 DEFINE_STUB_V(spdk_nvmf_tgt_new_qpair, (struct spdk_nvmf_tgt *tgt, struct spdk_nvmf_qpair *qpair));
208 
209 DEFINE_STUB_V(nvmf_transport_qpair_abort_request,
210 	      (struct spdk_nvmf_qpair *qpair, struct spdk_nvmf_request *req));
211 
212 DEFINE_STUB_V(spdk_nvme_print_command, (uint16_t qid, struct spdk_nvme_cmd *cmd));
213 DEFINE_STUB_V(spdk_nvme_print_completion, (uint16_t qid, struct spdk_nvme_cpl *cpl));
214 
215 struct spdk_trace_histories *g_trace_histories;
216 
217 struct spdk_bdev {
218 	int ut_mock;
219 	uint64_t blockcnt;
220 };
221 
222 int
223 spdk_nvme_transport_id_compare(const struct spdk_nvme_transport_id *trid1,
224 			       const struct spdk_nvme_transport_id *trid2)
225 {
226 	return 0;
227 }
228 
229 void
230 spdk_trace_register_object(uint8_t type, char id_prefix)
231 {
232 }
233 
234 void
235 spdk_trace_register_description(const char *name,
236 				uint16_t tpoint_id, uint8_t owner_type,
237 				uint8_t object_type, uint8_t new_object,
238 				uint8_t arg1_type, const char *arg1_name)
239 {
240 }
241 
242 void
243 _spdk_trace_record(uint64_t tsc, uint16_t tpoint_id, uint16_t poller_id,
244 		   uint32_t size, uint64_t object_id, uint64_t arg1)
245 {
246 }
247 
248 const char *
249 spdk_nvme_transport_id_trtype_str(enum spdk_nvme_transport_type trtype)
250 {
251 	switch (trtype) {
252 	case SPDK_NVME_TRANSPORT_PCIE:
253 		return "PCIe";
254 	case SPDK_NVME_TRANSPORT_RDMA:
255 		return "RDMA";
256 	case SPDK_NVME_TRANSPORT_FC:
257 		return "FC";
258 	default:
259 		return NULL;
260 	}
261 }
262 
263 int
264 spdk_nvme_transport_id_populate_trstring(struct spdk_nvme_transport_id *trid, const char *trstring)
265 {
266 	int len, i;
267 
268 	if (trstring == NULL) {
269 		return -EINVAL;
270 	}
271 
272 	len = strnlen(trstring, SPDK_NVMF_TRSTRING_MAX_LEN);
273 	if (len == SPDK_NVMF_TRSTRING_MAX_LEN) {
274 		return -EINVAL;
275 	}
276 
277 	/* cast official trstring to uppercase version of input. */
278 	for (i = 0; i < len; i++) {
279 		trid->trstring[i] = toupper(trstring[i]);
280 	}
281 	return 0;
282 }
283 
284 int
285 spdk_nvmf_qpair_disconnect(struct spdk_nvmf_qpair *qpair, nvmf_qpair_disconnect_cb cb_fn, void *ctx)
286 {
287 	return 0;
288 }
289 
290 int
291 spdk_nvmf_request_get_buffers(struct spdk_nvmf_request *req,
292 			      struct spdk_nvmf_transport_poll_group *group,
293 			      struct spdk_nvmf_transport *transport,
294 			      uint32_t length)
295 {
296 	/* length more than 1 io unit length will fail. */
297 	if (length >= transport->opts.io_unit_size) {
298 		return -EINVAL;
299 	}
300 
301 	req->iovcnt = 1;
302 	req->iov[0].iov_base = (void *)0xDEADBEEF;
303 
304 	return 0;
305 }
306 
307 
308 void
309 nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
310 			    bool dif_insert_or_strip)
311 {
312 	uint64_t num_blocks;
313 
314 	SPDK_CU_ASSERT_FATAL(ns->bdev != NULL);
315 	num_blocks = ns->bdev->blockcnt;
316 	nsdata->nsze = num_blocks;
317 	nsdata->ncap = num_blocks;
318 	nsdata->nuse = num_blocks;
319 	nsdata->nlbaf = 0;
320 	nsdata->flbas.format = 0;
321 	nsdata->lbaf[0].lbads = spdk_u32log2(512);
322 }
323 
324 const char *
325 spdk_nvmf_subsystem_get_sn(const struct spdk_nvmf_subsystem *subsystem)
326 {
327 	return subsystem->sn;
328 }
329 
330 const char *
331 spdk_nvmf_subsystem_get_mn(const struct spdk_nvmf_subsystem *subsystem)
332 {
333 	return subsystem->mn;
334 }
335 
336 void
337 spdk_trace_add_register_fn(struct spdk_trace_register_fn *reg_fn)
338 {
339 }
340 
341 static void
342 test_nvmf_tcp_create(void)
343 {
344 	struct spdk_thread *thread;
345 	struct spdk_nvmf_transport *transport;
346 	struct spdk_nvmf_tcp_transport *ttransport;
347 	struct spdk_nvmf_transport_opts opts;
348 
349 	thread = spdk_thread_create(NULL, NULL);
350 	SPDK_CU_ASSERT_FATAL(thread != NULL);
351 	spdk_set_thread(thread);
352 
353 	/* case 1 */
354 	memset(&opts, 0, sizeof(opts));
355 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
356 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
357 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
358 	opts.max_io_size = UT_MAX_IO_SIZE;
359 	opts.io_unit_size = UT_IO_UNIT_SIZE;
360 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
361 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
362 	/* expect success */
363 	transport = nvmf_tcp_create(&opts);
364 	CU_ASSERT_PTR_NOT_NULL(transport);
365 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
366 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
367 	transport->opts = opts;
368 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
369 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
370 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
371 	CU_ASSERT(transport->opts.io_unit_size == UT_IO_UNIT_SIZE);
372 	/* destroy transport */
373 	spdk_mempool_free(ttransport->transport.data_buf_pool);
374 	free(ttransport);
375 
376 	/* case 2 */
377 	memset(&opts, 0, sizeof(opts));
378 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
379 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
380 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
381 	opts.max_io_size = UT_MAX_IO_SIZE;
382 	opts.io_unit_size = UT_MAX_IO_SIZE + 1;
383 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
384 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
385 	/* expect success */
386 	transport = nvmf_tcp_create(&opts);
387 	CU_ASSERT_PTR_NOT_NULL(transport);
388 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
389 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
390 	transport->opts = opts;
391 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
392 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
393 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
394 	CU_ASSERT(transport->opts.io_unit_size == UT_MAX_IO_SIZE);
395 	/* destroy transport */
396 	spdk_mempool_free(ttransport->transport.data_buf_pool);
397 	free(ttransport);
398 
399 	/* case 3 */
400 	memset(&opts, 0, sizeof(opts));
401 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
402 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
403 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
404 	opts.max_io_size = UT_MAX_IO_SIZE;
405 	opts.io_unit_size = 16;
406 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
407 	/* expect failse */
408 	transport = nvmf_tcp_create(&opts);
409 	CU_ASSERT_PTR_NULL(transport);
410 
411 	spdk_thread_exit(thread);
412 	while (!spdk_thread_is_exited(thread)) {
413 		spdk_thread_poll(thread, 0, 0);
414 	}
415 	spdk_thread_destroy(thread);
416 }
417 
418 static void
419 test_nvmf_tcp_destroy(void)
420 {
421 	struct spdk_thread *thread;
422 	struct spdk_nvmf_transport *transport;
423 	struct spdk_nvmf_transport_opts opts;
424 
425 	thread = spdk_thread_create(NULL, NULL);
426 	SPDK_CU_ASSERT_FATAL(thread != NULL);
427 	spdk_set_thread(thread);
428 
429 	/* case 1 */
430 	memset(&opts, 0, sizeof(opts));
431 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
432 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
433 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
434 	opts.max_io_size = UT_MAX_IO_SIZE;
435 	opts.io_unit_size = UT_IO_UNIT_SIZE;
436 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
437 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
438 	transport = nvmf_tcp_create(&opts);
439 	CU_ASSERT_PTR_NOT_NULL(transport);
440 	transport->opts = opts;
441 	/* destroy transport */
442 	CU_ASSERT(nvmf_tcp_destroy(transport) == 0);
443 
444 	spdk_thread_exit(thread);
445 	while (!spdk_thread_is_exited(thread)) {
446 		spdk_thread_poll(thread, 0, 0);
447 	}
448 	spdk_thread_destroy(thread);
449 }
450 
451 static void
452 test_nvmf_tcp_poll_group_create(void)
453 {
454 	struct spdk_nvmf_transport *transport;
455 	struct spdk_nvmf_transport_poll_group *group;
456 	struct spdk_thread *thread;
457 	struct spdk_nvmf_transport_opts opts;
458 	struct spdk_sock_group grp = {};
459 
460 	thread = spdk_thread_create(NULL, NULL);
461 	SPDK_CU_ASSERT_FATAL(thread != NULL);
462 	spdk_set_thread(thread);
463 
464 	memset(&opts, 0, sizeof(opts));
465 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
466 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
467 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
468 	opts.max_io_size = UT_MAX_IO_SIZE;
469 	opts.io_unit_size = UT_IO_UNIT_SIZE;
470 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
471 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
472 	transport = nvmf_tcp_create(&opts);
473 	CU_ASSERT_PTR_NOT_NULL(transport);
474 	transport->opts = opts;
475 	MOCK_SET(spdk_sock_group_create, &grp);
476 	group = nvmf_tcp_poll_group_create(transport);
477 	MOCK_CLEAR_P(spdk_sock_group_create);
478 	SPDK_CU_ASSERT_FATAL(group);
479 	group->transport = transport;
480 	nvmf_tcp_poll_group_destroy(group);
481 	nvmf_tcp_destroy(transport);
482 
483 	spdk_thread_exit(thread);
484 	while (!spdk_thread_is_exited(thread)) {
485 		spdk_thread_poll(thread, 0, 0);
486 	}
487 	spdk_thread_destroy(thread);
488 }
489 
490 static void
491 test_nvmf_tcp_send_c2h_data(void)
492 {
493 	struct spdk_thread *thread;
494 	struct spdk_nvmf_tcp_transport ttransport = {};
495 	struct spdk_nvmf_tcp_qpair tqpair = {};
496 	struct spdk_nvmf_tcp_req tcp_req = {};
497 	struct nvme_tcp_pdu pdu = {};
498 	struct spdk_nvme_tcp_c2h_data_hdr *c2h_data;
499 
500 	thread = spdk_thread_create(NULL, NULL);
501 	SPDK_CU_ASSERT_FATAL(thread != NULL);
502 	spdk_set_thread(thread);
503 
504 	tcp_req.pdu = &pdu;
505 	tcp_req.req.length = 300;
506 
507 	tqpair.qpair.transport = &ttransport.transport;
508 	TAILQ_INIT(&tqpair.send_queue);
509 
510 	/* Set qpair state to make unrelated operations NOP */
511 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
512 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
513 
514 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
515 
516 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
517 	tcp_req.req.iov[0].iov_len = 101;
518 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
519 	tcp_req.req.iov[1].iov_len = 100;
520 	tcp_req.req.iov[2].iov_base = (void *)0xC0FFEE;
521 	tcp_req.req.iov[2].iov_len = 99;
522 	tcp_req.req.iovcnt = 3;
523 	tcp_req.req.length = 300;
524 
525 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
526 
527 	CU_ASSERT(TAILQ_FIRST(&tqpair.send_queue) == &pdu);
528 	TAILQ_REMOVE(&tqpair.send_queue, &pdu, tailq);
529 
530 	c2h_data = &pdu.hdr.c2h_data;
531 	CU_ASSERT(c2h_data->datao == 0);
532 	CU_ASSERT(c2h_data->datal = 300);
533 	CU_ASSERT(c2h_data->common.plen == sizeof(*c2h_data) + 300);
534 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
535 
536 	CU_ASSERT(pdu.data_iovcnt == 3);
537 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
538 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
539 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
540 	CU_ASSERT(pdu.data_iov[1].iov_len == 100);
541 	CU_ASSERT((uint64_t)pdu.data_iov[2].iov_base == 0xC0FFEE);
542 	CU_ASSERT(pdu.data_iov[2].iov_len == 99);
543 
544 	spdk_thread_exit(thread);
545 	while (!spdk_thread_is_exited(thread)) {
546 		spdk_thread_poll(thread, 0, 0);
547 	}
548 	spdk_thread_destroy(thread);
549 }
550 
551 #define NVMF_TCP_PDU_MAX_H2C_DATA_SIZE (128 * 1024)
552 
553 static void
554 test_nvmf_tcp_h2c_data_hdr_handle(void)
555 {
556 	struct spdk_nvmf_tcp_transport ttransport = {};
557 	struct spdk_nvmf_tcp_qpair tqpair = {};
558 	struct nvme_tcp_pdu pdu = {};
559 	struct spdk_nvmf_tcp_req tcp_req = {};
560 	struct spdk_nvme_tcp_h2c_data_hdr *h2c_data;
561 
562 	TAILQ_INIT(&tqpair.state_queue[TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER]);
563 
564 	/* Set qpair state to make unrelated operations NOP */
565 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
566 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
567 
568 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
569 	tcp_req.req.iov[0].iov_len = 101;
570 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
571 	tcp_req.req.iov[1].iov_len = 99;
572 	tcp_req.req.iovcnt = 2;
573 	tcp_req.req.length = 200;
574 
575 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
576 	tcp_req.req.cmd->nvme_cmd.cid = 1;
577 	tcp_req.ttag = 2;
578 
579 	TAILQ_INSERT_TAIL(&tqpair.state_queue[TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER],
580 			  &tcp_req, state_link);
581 
582 	h2c_data = &pdu.hdr.h2c_data;
583 	h2c_data->cccid = 1;
584 	h2c_data->ttag = 2;
585 	h2c_data->datao = 0;
586 	h2c_data->datal = 200;
587 
588 	nvmf_tcp_h2c_data_hdr_handle(&ttransport, &tqpair, &pdu);
589 
590 	CU_ASSERT(pdu.data_iovcnt == 2);
591 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
592 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
593 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
594 	CU_ASSERT(pdu.data_iov[1].iov_len == 99);
595 
596 	CU_ASSERT(TAILQ_FIRST(&tqpair.state_queue[TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER]) ==
597 		  &tcp_req);
598 	TAILQ_REMOVE(&tqpair.state_queue[TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER],
599 		     &tcp_req, state_link);
600 }
601 
602 
603 static void
604 test_nvmf_tcp_incapsule_data_handle(void)
605 {
606 	struct spdk_nvmf_tcp_transport ttransport = {};
607 	struct spdk_nvmf_tcp_qpair tqpair = {};
608 	struct nvme_tcp_pdu *pdu;
609 	union nvmf_c2h_msg rsp0 = {};
610 	union nvmf_c2h_msg rsp = {};
611 
612 	struct spdk_nvmf_request *req_temp = NULL;
613 	struct spdk_nvmf_tcp_req tcp_req2 = {};
614 	struct spdk_nvmf_tcp_req tcp_req1 = {};
615 
616 	struct spdk_nvme_tcp_cmd *capsule_data;
617 	struct spdk_nvmf_capsule_cmd *nvmf_capsule_data;
618 	struct spdk_nvme_sgl_descriptor *sgl;
619 
620 	struct spdk_nvmf_transport_poll_group *group;
621 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
622 	struct spdk_sock_group grp = {};
623 	int i = 0;
624 
625 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
626 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
627 
628 	tcp_group.sock_group = &grp;
629 	TAILQ_INIT(&tcp_group.qpairs);
630 	group = &tcp_group.group;
631 	group->transport = &ttransport.transport;
632 	STAILQ_INIT(&group->pending_buf_queue);
633 	tqpair.group = &tcp_group;
634 
635 	/* init tqpair, add pdu to pdu_in_progress and wait for the buff */
636 	for (i = TCP_REQUEST_STATE_FREE; i < TCP_REQUEST_NUM_STATES; i++) {
637 		TAILQ_INIT(&tqpair.state_queue[i]);
638 	}
639 
640 	TAILQ_INIT(&tqpair.send_queue);
641 
642 	TAILQ_INSERT_TAIL(&tqpair.state_queue[TCP_REQUEST_STATE_FREE], &tcp_req2, state_link);
643 	tqpair.state_cntr[TCP_REQUEST_STATE_FREE]++;
644 	tqpair.qpair.transport = &ttransport.transport;
645 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
646 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
647 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
648 
649 	/* init a null tcp_req into tqpair TCP_REQUEST_STATE_FREE queue */
650 	tcp_req2.req.qpair = &tqpair.qpair;
651 	tcp_req2.req.cmd = (union nvmf_h2c_msg *)&tcp_req2.cmd;
652 	tcp_req2.req.rsp = &rsp;
653 
654 	/* init tcp_req1 */
655 	tcp_req1.req.qpair = &tqpair.qpair;
656 	tcp_req1.req.cmd = (union nvmf_h2c_msg *)&tcp_req1.cmd;
657 	tcp_req1.req.rsp = &rsp0;
658 	tcp_req1.state = TCP_REQUEST_STATE_NEW;
659 
660 	TAILQ_INSERT_TAIL(&tqpair.state_queue[TCP_REQUEST_STATE_NEW], &tcp_req1, state_link);
661 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
662 
663 	/* init pdu, make pdu need sgl buff */
664 	pdu = &tqpair.pdu_in_progress;
665 	capsule_data = &pdu->hdr.capsule_cmd;
666 	nvmf_capsule_data = (struct spdk_nvmf_capsule_cmd *)&pdu->hdr.capsule_cmd.ccsqe;
667 	sgl = &capsule_data->ccsqe.dptr.sgl1;
668 
669 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
670 	capsule_data->common.hlen = sizeof(*capsule_data);
671 	capsule_data->common.plen = 1096;
672 	capsule_data->ccsqe.opc = SPDK_NVME_OPC_FABRIC;
673 
674 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
675 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
676 	sgl->unkeyed.length = UT_IO_UNIT_SIZE;
677 
678 	nvmf_capsule_data->fctype = SPDK_NVMF_FABRIC_COMMAND_CONNECT;
679 
680 	/* insert tcp_req1 to pending_buf_queue, And this req takes precedence over the next req. */
681 	nvmf_tcp_req_process(&ttransport, &tcp_req1);
682 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
683 
684 	sgl->unkeyed.length = UT_IO_UNIT_SIZE - 1;
685 
686 	/* process tqpair capsule req. but we still remain req in pending_buff. */
687 	nvmf_tcp_capsule_cmd_hdr_handle(&ttransport, &tqpair, &tqpair.pdu_in_progress);
688 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PAYLOAD);
689 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
690 	STAILQ_FOREACH(req_temp, &group->pending_buf_queue, buf_link) {
691 		if (req_temp == &tcp_req2.req) {
692 			break;
693 		}
694 	}
695 	CU_ASSERT(req_temp == NULL);
696 	CU_ASSERT(tqpair.pdu_in_progress.req == (void *)&tcp_req2);
697 }
698 
699 
700 int main(int argc, char **argv)
701 {
702 	CU_pSuite	suite = NULL;
703 	unsigned int	num_failures;
704 
705 	CU_set_error_action(CUEA_ABORT);
706 	CU_initialize_registry();
707 
708 	suite = CU_add_suite("nvmf", NULL, NULL);
709 
710 	CU_ADD_TEST(suite, test_nvmf_tcp_create);
711 	CU_ADD_TEST(suite, test_nvmf_tcp_destroy);
712 	CU_ADD_TEST(suite, test_nvmf_tcp_poll_group_create);
713 	CU_ADD_TEST(suite, test_nvmf_tcp_send_c2h_data);
714 	CU_ADD_TEST(suite, test_nvmf_tcp_h2c_data_hdr_handle);
715 	CU_ADD_TEST(suite, test_nvmf_tcp_incapsule_data_handle);
716 
717 	CU_basic_set_mode(CU_BRM_VERBOSE);
718 	CU_basic_run_tests();
719 	num_failures = CU_get_number_of_failures();
720 	CU_cleanup_registry();
721 	return num_failures;
722 }
723