xref: /spdk/test/unit/lib/nvmf/tcp.c/tcp_ut.c (revision 4e8e97c886e47e337dc470ac8c1ffa044d729af0)
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)
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(nvmf_subsystem_find_listener,
87 	    struct spdk_nvmf_subsystem_listener *,
88 	    (struct spdk_nvmf_subsystem *subsystem,
89 	     const struct spdk_nvme_transport_id *trid),
90 	    (void *)0x1);
91 
92 DEFINE_STUB_V(nvmf_get_discovery_log_page,
93 	      (struct spdk_nvmf_tgt *tgt, const char *hostnqn, struct iovec *iov,
94 	       uint32_t iovcnt, uint64_t offset, uint32_t length));
95 
96 DEFINE_STUB_V(nvmf_subsystem_remove_ctrlr,
97 	      (struct spdk_nvmf_subsystem *subsystem, struct spdk_nvmf_ctrlr *ctrlr));
98 
99 DEFINE_STUB(spdk_nvmf_subsystem_get_first_ns,
100 	    struct spdk_nvmf_ns *,
101 	    (struct spdk_nvmf_subsystem *subsystem),
102 	    NULL);
103 
104 DEFINE_STUB(spdk_nvmf_subsystem_get_next_ns,
105 	    struct spdk_nvmf_ns *,
106 	    (struct spdk_nvmf_subsystem *subsystem, struct spdk_nvmf_ns *prev_ns),
107 	    NULL);
108 
109 DEFINE_STUB(spdk_nvmf_subsystem_host_allowed,
110 	    bool,
111 	    (struct spdk_nvmf_subsystem *subsystem, const char *hostnqn),
112 	    true);
113 
114 DEFINE_STUB(nvmf_ctrlr_dsm_supported,
115 	    bool,
116 	    (struct spdk_nvmf_ctrlr *ctrlr),
117 	    false);
118 
119 DEFINE_STUB(nvmf_ctrlr_write_zeroes_supported,
120 	    bool,
121 	    (struct spdk_nvmf_ctrlr *ctrlr),
122 	    false);
123 
124 DEFINE_STUB(nvmf_bdev_ctrlr_read_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_write_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_cmd,
137 	    int,
138 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
139 	     struct spdk_nvmf_request *req),
140 	    0);
141 
142 DEFINE_STUB(nvmf_bdev_ctrlr_compare_and_write_cmd,
143 	    int,
144 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
145 	     struct spdk_nvmf_request *cmp_req, struct spdk_nvmf_request *write_req),
146 	    0);
147 
148 DEFINE_STUB(nvmf_bdev_ctrlr_write_zeroes_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_flush_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_dsm_cmd,
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(nvmf_bdev_ctrlr_nvme_passthru_io,
167 	    int,
168 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
169 	     struct spdk_nvmf_request *req),
170 	    0);
171 
172 DEFINE_STUB(spdk_nvmf_bdev_ctrlr_abort_cmd,
173 	    int,
174 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
175 	     struct spdk_nvmf_request *req, struct spdk_nvmf_request *req_to_abort),
176 	    0);
177 
178 DEFINE_STUB(nvmf_bdev_ctrlr_get_dif_ctx,
179 	    bool,
180 	    (struct spdk_bdev *bdev, struct spdk_nvme_cmd *cmd, struct spdk_dif_ctx *dif_ctx),
181 	    false);
182 
183 DEFINE_STUB(nvmf_transport_req_complete,
184 	    int,
185 	    (struct spdk_nvmf_request *req),
186 	    0);
187 
188 DEFINE_STUB_V(spdk_nvmf_request_free_buffers,
189 	      (struct spdk_nvmf_request *req, struct spdk_nvmf_transport_poll_group *group,
190 	       struct spdk_nvmf_transport *transport));
191 
192 DEFINE_STUB(spdk_sock_get_optimal_sock_group,
193 	    int,
194 	    (struct spdk_sock *sock, struct spdk_sock_group **group),
195 	    0);
196 
197 DEFINE_STUB(spdk_sock_group_get_ctx,
198 	    void *,
199 	    (struct spdk_sock_group *group),
200 	    NULL);
201 
202 DEFINE_STUB(spdk_sock_set_priority,
203 	    int,
204 	    (struct spdk_sock *sock, int priority),
205 	    0);
206 
207 DEFINE_STUB_V(nvmf_ns_reservation_request, (void *ctx));
208 
209 DEFINE_STUB_V(spdk_nvme_trid_populate_transport, (struct spdk_nvme_transport_id *trid,
210 		enum spdk_nvme_transport_type trtype));
211 DEFINE_STUB_V(spdk_nvmf_transport_register, (const struct spdk_nvmf_transport_ops *ops));
212 
213 DEFINE_STUB_V(spdk_nvmf_tgt_new_qpair, (struct spdk_nvmf_tgt *tgt, struct spdk_nvmf_qpair *qpair));
214 
215 DEFINE_STUB_V(nvmf_transport_qpair_abort_request,
216 	      (struct spdk_nvmf_qpair *qpair, struct spdk_nvmf_request *req));
217 
218 DEFINE_STUB_V(spdk_nvme_print_command, (uint16_t qid, struct spdk_nvme_cmd *cmd));
219 DEFINE_STUB_V(spdk_nvme_print_completion, (uint16_t qid, struct spdk_nvme_cpl *cpl));
220 
221 struct spdk_trace_histories *g_trace_histories;
222 
223 struct spdk_bdev {
224 	int ut_mock;
225 	uint64_t blockcnt;
226 };
227 
228 int
229 spdk_nvme_transport_id_compare(const struct spdk_nvme_transport_id *trid1,
230 			       const struct spdk_nvme_transport_id *trid2)
231 {
232 	return 0;
233 }
234 
235 void
236 spdk_trace_register_object(uint8_t type, char id_prefix)
237 {
238 }
239 
240 void
241 spdk_trace_register_description(const char *name,
242 				uint16_t tpoint_id, uint8_t owner_type,
243 				uint8_t object_type, uint8_t new_object,
244 				uint8_t arg1_type, const char *arg1_name)
245 {
246 }
247 
248 void
249 _spdk_trace_record(uint64_t tsc, uint16_t tpoint_id, uint16_t poller_id,
250 		   uint32_t size, uint64_t object_id, uint64_t arg1)
251 {
252 }
253 
254 const char *
255 spdk_nvme_transport_id_trtype_str(enum spdk_nvme_transport_type trtype)
256 {
257 	switch (trtype) {
258 	case SPDK_NVME_TRANSPORT_PCIE:
259 		return "PCIe";
260 	case SPDK_NVME_TRANSPORT_RDMA:
261 		return "RDMA";
262 	case SPDK_NVME_TRANSPORT_FC:
263 		return "FC";
264 	default:
265 		return NULL;
266 	}
267 }
268 
269 int
270 spdk_nvme_transport_id_populate_trstring(struct spdk_nvme_transport_id *trid, const char *trstring)
271 {
272 	int len, i;
273 
274 	if (trstring == NULL) {
275 		return -EINVAL;
276 	}
277 
278 	len = strnlen(trstring, SPDK_NVMF_TRSTRING_MAX_LEN);
279 	if (len == SPDK_NVMF_TRSTRING_MAX_LEN) {
280 		return -EINVAL;
281 	}
282 
283 	/* cast official trstring to uppercase version of input. */
284 	for (i = 0; i < len; i++) {
285 		trid->trstring[i] = toupper(trstring[i]);
286 	}
287 	return 0;
288 }
289 
290 int
291 spdk_nvmf_qpair_disconnect(struct spdk_nvmf_qpair *qpair, nvmf_qpair_disconnect_cb cb_fn, void *ctx)
292 {
293 	return 0;
294 }
295 
296 int
297 spdk_nvmf_request_get_buffers(struct spdk_nvmf_request *req,
298 			      struct spdk_nvmf_transport_poll_group *group,
299 			      struct spdk_nvmf_transport *transport,
300 			      uint32_t length)
301 {
302 	/* length more than 1 io unit length will fail. */
303 	if (length >= transport->opts.io_unit_size) {
304 		return -EINVAL;
305 	}
306 
307 	req->iovcnt = 1;
308 	req->iov[0].iov_base = (void *)0xDEADBEEF;
309 
310 	return 0;
311 }
312 
313 
314 void
315 nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
316 			    bool dif_insert_or_strip)
317 {
318 	uint64_t num_blocks;
319 
320 	SPDK_CU_ASSERT_FATAL(ns->bdev != NULL);
321 	num_blocks = ns->bdev->blockcnt;
322 	nsdata->nsze = num_blocks;
323 	nsdata->ncap = num_blocks;
324 	nsdata->nuse = num_blocks;
325 	nsdata->nlbaf = 0;
326 	nsdata->flbas.format = 0;
327 	nsdata->lbaf[0].lbads = spdk_u32log2(512);
328 }
329 
330 const char *
331 spdk_nvmf_subsystem_get_sn(const struct spdk_nvmf_subsystem *subsystem)
332 {
333 	return subsystem->sn;
334 }
335 
336 const char *
337 spdk_nvmf_subsystem_get_mn(const struct spdk_nvmf_subsystem *subsystem)
338 {
339 	return subsystem->mn;
340 }
341 
342 void
343 spdk_trace_add_register_fn(struct spdk_trace_register_fn *reg_fn)
344 {
345 }
346 
347 static void
348 test_nvmf_tcp_create(void)
349 {
350 	struct spdk_thread *thread;
351 	struct spdk_nvmf_transport *transport;
352 	struct spdk_nvmf_tcp_transport *ttransport;
353 	struct spdk_nvmf_transport_opts opts;
354 
355 	thread = spdk_thread_create(NULL, NULL);
356 	SPDK_CU_ASSERT_FATAL(thread != NULL);
357 	spdk_set_thread(thread);
358 
359 	/* case 1 */
360 	memset(&opts, 0, sizeof(opts));
361 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
362 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
363 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
364 	opts.max_io_size = UT_MAX_IO_SIZE;
365 	opts.io_unit_size = UT_IO_UNIT_SIZE;
366 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
367 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
368 	/* expect success */
369 	transport = nvmf_tcp_create(&opts);
370 	CU_ASSERT_PTR_NOT_NULL(transport);
371 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
372 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
373 	transport->opts = opts;
374 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
375 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
376 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
377 	CU_ASSERT(transport->opts.io_unit_size == UT_IO_UNIT_SIZE);
378 	/* destroy transport */
379 	spdk_mempool_free(ttransport->transport.data_buf_pool);
380 	free(ttransport);
381 
382 	/* case 2 */
383 	memset(&opts, 0, sizeof(opts));
384 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
385 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
386 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
387 	opts.max_io_size = UT_MAX_IO_SIZE;
388 	opts.io_unit_size = UT_MAX_IO_SIZE + 1;
389 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
390 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
391 	/* expect success */
392 	transport = nvmf_tcp_create(&opts);
393 	CU_ASSERT_PTR_NOT_NULL(transport);
394 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
395 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
396 	transport->opts = opts;
397 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
398 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
399 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
400 	CU_ASSERT(transport->opts.io_unit_size == UT_MAX_IO_SIZE);
401 	/* destroy transport */
402 	spdk_mempool_free(ttransport->transport.data_buf_pool);
403 	free(ttransport);
404 
405 	/* case 3 */
406 	memset(&opts, 0, sizeof(opts));
407 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
408 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
409 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
410 	opts.max_io_size = UT_MAX_IO_SIZE;
411 	opts.io_unit_size = 16;
412 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
413 	/* expect failse */
414 	transport = nvmf_tcp_create(&opts);
415 	CU_ASSERT_PTR_NULL(transport);
416 
417 	spdk_thread_exit(thread);
418 	while (!spdk_thread_is_exited(thread)) {
419 		spdk_thread_poll(thread, 0, 0);
420 	}
421 	spdk_thread_destroy(thread);
422 }
423 
424 static void
425 test_nvmf_tcp_destroy(void)
426 {
427 	struct spdk_thread *thread;
428 	struct spdk_nvmf_transport *transport;
429 	struct spdk_nvmf_transport_opts opts;
430 
431 	thread = spdk_thread_create(NULL, NULL);
432 	SPDK_CU_ASSERT_FATAL(thread != NULL);
433 	spdk_set_thread(thread);
434 
435 	/* case 1 */
436 	memset(&opts, 0, sizeof(opts));
437 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
438 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
439 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
440 	opts.max_io_size = UT_MAX_IO_SIZE;
441 	opts.io_unit_size = UT_IO_UNIT_SIZE;
442 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
443 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
444 	transport = nvmf_tcp_create(&opts);
445 	CU_ASSERT_PTR_NOT_NULL(transport);
446 	transport->opts = opts;
447 	/* destroy transport */
448 	CU_ASSERT(nvmf_tcp_destroy(transport) == 0);
449 
450 	spdk_thread_exit(thread);
451 	while (!spdk_thread_is_exited(thread)) {
452 		spdk_thread_poll(thread, 0, 0);
453 	}
454 	spdk_thread_destroy(thread);
455 }
456 
457 static void
458 test_nvmf_tcp_poll_group_create(void)
459 {
460 	struct spdk_nvmf_transport *transport;
461 	struct spdk_nvmf_transport_poll_group *group;
462 	struct spdk_thread *thread;
463 	struct spdk_nvmf_transport_opts opts;
464 	struct spdk_sock_group grp = {};
465 
466 	thread = spdk_thread_create(NULL, NULL);
467 	SPDK_CU_ASSERT_FATAL(thread != NULL);
468 	spdk_set_thread(thread);
469 
470 	memset(&opts, 0, sizeof(opts));
471 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
472 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
473 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
474 	opts.max_io_size = UT_MAX_IO_SIZE;
475 	opts.io_unit_size = UT_IO_UNIT_SIZE;
476 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
477 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
478 	transport = nvmf_tcp_create(&opts);
479 	CU_ASSERT_PTR_NOT_NULL(transport);
480 	transport->opts = opts;
481 	MOCK_SET(spdk_sock_group_create, &grp);
482 	group = nvmf_tcp_poll_group_create(transport);
483 	MOCK_CLEAR_P(spdk_sock_group_create);
484 	SPDK_CU_ASSERT_FATAL(group);
485 	group->transport = transport;
486 	nvmf_tcp_poll_group_destroy(group);
487 	nvmf_tcp_destroy(transport);
488 
489 	spdk_thread_exit(thread);
490 	while (!spdk_thread_is_exited(thread)) {
491 		spdk_thread_poll(thread, 0, 0);
492 	}
493 	spdk_thread_destroy(thread);
494 }
495 
496 static void
497 test_nvmf_tcp_send_c2h_data(void)
498 {
499 	struct spdk_thread *thread;
500 	struct spdk_nvmf_tcp_transport ttransport = {};
501 	struct spdk_nvmf_tcp_qpair tqpair = {};
502 	struct spdk_nvmf_tcp_req tcp_req = {};
503 	struct nvme_tcp_pdu pdu = {};
504 	struct spdk_nvme_tcp_c2h_data_hdr *c2h_data;
505 
506 	thread = spdk_thread_create(NULL, NULL);
507 	SPDK_CU_ASSERT_FATAL(thread != NULL);
508 	spdk_set_thread(thread);
509 
510 	tcp_req.pdu = &pdu;
511 	tcp_req.req.length = 300;
512 
513 	tqpair.qpair.transport = &ttransport.transport;
514 	TAILQ_INIT(&tqpair.send_queue);
515 
516 	/* Set qpair state to make unrelated operations NOP */
517 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
518 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
519 
520 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
521 
522 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
523 	tcp_req.req.iov[0].iov_len = 101;
524 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
525 	tcp_req.req.iov[1].iov_len = 100;
526 	tcp_req.req.iov[2].iov_base = (void *)0xC0FFEE;
527 	tcp_req.req.iov[2].iov_len = 99;
528 	tcp_req.req.iovcnt = 3;
529 	tcp_req.req.length = 300;
530 
531 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
532 
533 	CU_ASSERT(TAILQ_FIRST(&tqpair.send_queue) == &pdu);
534 	TAILQ_REMOVE(&tqpair.send_queue, &pdu, tailq);
535 
536 	c2h_data = &pdu.hdr.c2h_data;
537 	CU_ASSERT(c2h_data->datao == 0);
538 	CU_ASSERT(c2h_data->datal = 300);
539 	CU_ASSERT(c2h_data->common.plen == sizeof(*c2h_data) + 300);
540 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
541 
542 	CU_ASSERT(pdu.data_iovcnt == 3);
543 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
544 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
545 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
546 	CU_ASSERT(pdu.data_iov[1].iov_len == 100);
547 	CU_ASSERT((uint64_t)pdu.data_iov[2].iov_base == 0xC0FFEE);
548 	CU_ASSERT(pdu.data_iov[2].iov_len == 99);
549 
550 	spdk_thread_exit(thread);
551 	while (!spdk_thread_is_exited(thread)) {
552 		spdk_thread_poll(thread, 0, 0);
553 	}
554 	spdk_thread_destroy(thread);
555 }
556 
557 #define NVMF_TCP_PDU_MAX_H2C_DATA_SIZE (128 * 1024)
558 
559 static void
560 test_nvmf_tcp_h2c_data_hdr_handle(void)
561 {
562 	struct spdk_nvmf_tcp_transport ttransport = {};
563 	struct spdk_nvmf_tcp_qpair tqpair = {};
564 	struct nvme_tcp_pdu pdu = {};
565 	struct spdk_nvmf_tcp_req tcp_req = {};
566 	struct spdk_nvme_tcp_h2c_data_hdr *h2c_data;
567 
568 	TAILQ_INIT(&tqpair.state_queue[TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER]);
569 
570 	/* Set qpair state to make unrelated operations NOP */
571 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
572 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
573 
574 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
575 	tcp_req.req.iov[0].iov_len = 101;
576 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
577 	tcp_req.req.iov[1].iov_len = 99;
578 	tcp_req.req.iovcnt = 2;
579 	tcp_req.req.length = 200;
580 
581 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
582 	tcp_req.req.cmd->nvme_cmd.cid = 1;
583 	tcp_req.ttag = 2;
584 
585 	TAILQ_INSERT_TAIL(&tqpair.state_queue[TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER],
586 			  &tcp_req, state_link);
587 
588 	h2c_data = &pdu.hdr.h2c_data;
589 	h2c_data->cccid = 1;
590 	h2c_data->ttag = 2;
591 	h2c_data->datao = 0;
592 	h2c_data->datal = 200;
593 
594 	nvmf_tcp_h2c_data_hdr_handle(&ttransport, &tqpair, &pdu);
595 
596 	CU_ASSERT(pdu.data_iovcnt == 2);
597 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
598 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
599 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
600 	CU_ASSERT(pdu.data_iov[1].iov_len == 99);
601 
602 	CU_ASSERT(TAILQ_FIRST(&tqpair.state_queue[TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER]) ==
603 		  &tcp_req);
604 	TAILQ_REMOVE(&tqpair.state_queue[TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER],
605 		     &tcp_req, state_link);
606 }
607 
608 
609 static void
610 test_nvmf_tcp_incapsule_data_handle(void)
611 {
612 	struct spdk_nvmf_tcp_transport ttransport = {};
613 	struct spdk_nvmf_tcp_qpair tqpair = {};
614 	struct nvme_tcp_pdu *pdu;
615 	union nvmf_c2h_msg rsp0 = {};
616 	union nvmf_c2h_msg rsp = {};
617 
618 	struct spdk_nvmf_request *req_temp = NULL;
619 	struct spdk_nvmf_tcp_req tcp_req2 = {};
620 	struct spdk_nvmf_tcp_req tcp_req1 = {};
621 
622 	struct spdk_nvme_tcp_cmd *capsule_data;
623 	struct spdk_nvmf_capsule_cmd *nvmf_capsule_data;
624 	struct spdk_nvme_sgl_descriptor *sgl;
625 
626 	struct spdk_nvmf_transport_poll_group *group;
627 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
628 	struct spdk_sock_group grp = {};
629 	int i = 0;
630 
631 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
632 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
633 
634 	tcp_group.sock_group = &grp;
635 	TAILQ_INIT(&tcp_group.qpairs);
636 	group = &tcp_group.group;
637 	group->transport = &ttransport.transport;
638 	STAILQ_INIT(&group->pending_buf_queue);
639 	tqpair.group = &tcp_group;
640 
641 	/* init tqpair, add pdu to pdu_in_progress and wait for the buff */
642 	for (i = TCP_REQUEST_STATE_FREE; i < TCP_REQUEST_NUM_STATES; i++) {
643 		TAILQ_INIT(&tqpair.state_queue[i]);
644 	}
645 
646 	TAILQ_INIT(&tqpair.send_queue);
647 
648 	TAILQ_INSERT_TAIL(&tqpair.state_queue[TCP_REQUEST_STATE_FREE], &tcp_req2, state_link);
649 	tqpair.state_cntr[TCP_REQUEST_STATE_FREE]++;
650 	tqpair.qpair.transport = &ttransport.transport;
651 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
652 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
653 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
654 
655 	/* init a null tcp_req into tqpair TCP_REQUEST_STATE_FREE queue */
656 	tcp_req2.req.qpair = &tqpair.qpair;
657 	tcp_req2.req.cmd = (union nvmf_h2c_msg *)&tcp_req2.cmd;
658 	tcp_req2.req.rsp = &rsp;
659 
660 	/* init tcp_req1 */
661 	tcp_req1.req.qpair = &tqpair.qpair;
662 	tcp_req1.req.cmd = (union nvmf_h2c_msg *)&tcp_req1.cmd;
663 	tcp_req1.req.rsp = &rsp0;
664 	tcp_req1.state = TCP_REQUEST_STATE_NEW;
665 
666 	TAILQ_INSERT_TAIL(&tqpair.state_queue[TCP_REQUEST_STATE_NEW], &tcp_req1, state_link);
667 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
668 
669 	/* init pdu, make pdu need sgl buff */
670 	pdu = &tqpair.pdu_in_progress;
671 	capsule_data = &pdu->hdr.capsule_cmd;
672 	nvmf_capsule_data = (struct spdk_nvmf_capsule_cmd *)&pdu->hdr.capsule_cmd.ccsqe;
673 	sgl = &capsule_data->ccsqe.dptr.sgl1;
674 
675 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
676 	capsule_data->common.hlen = sizeof(*capsule_data);
677 	capsule_data->common.plen = 1096;
678 	capsule_data->ccsqe.opc = SPDK_NVME_OPC_FABRIC;
679 
680 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
681 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
682 	sgl->unkeyed.length = UT_IO_UNIT_SIZE;
683 
684 	nvmf_capsule_data->fctype = SPDK_NVMF_FABRIC_COMMAND_CONNECT;
685 
686 	/* insert tcp_req1 to pending_buf_queue, And this req takes precedence over the next req. */
687 	nvmf_tcp_req_process(&ttransport, &tcp_req1);
688 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
689 
690 	sgl->unkeyed.length = UT_IO_UNIT_SIZE - 1;
691 
692 	/* process tqpair capsule req. but we still remain req in pending_buff. */
693 	nvmf_tcp_capsule_cmd_hdr_handle(&ttransport, &tqpair, &tqpair.pdu_in_progress);
694 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PAYLOAD);
695 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
696 	STAILQ_FOREACH(req_temp, &group->pending_buf_queue, buf_link) {
697 		if (req_temp == &tcp_req2.req) {
698 			break;
699 		}
700 	}
701 	CU_ASSERT(req_temp == NULL);
702 	CU_ASSERT(tqpair.pdu_in_progress.req == (void *)&tcp_req2);
703 }
704 
705 
706 int main(int argc, char **argv)
707 {
708 	CU_pSuite	suite = NULL;
709 	unsigned int	num_failures;
710 
711 	CU_set_error_action(CUEA_ABORT);
712 	CU_initialize_registry();
713 
714 	suite = CU_add_suite("nvmf", NULL, NULL);
715 
716 	CU_ADD_TEST(suite, test_nvmf_tcp_create);
717 	CU_ADD_TEST(suite, test_nvmf_tcp_destroy);
718 	CU_ADD_TEST(suite, test_nvmf_tcp_poll_group_create);
719 	CU_ADD_TEST(suite, test_nvmf_tcp_send_c2h_data);
720 	CU_ADD_TEST(suite, test_nvmf_tcp_h2c_data_hdr_handle);
721 	CU_ADD_TEST(suite, test_nvmf_tcp_incapsule_data_handle);
722 
723 	CU_basic_set_mode(CU_BRM_VERBOSE);
724 	CU_basic_run_tests();
725 	num_failures = CU_get_number_of_failures();
726 	CU_cleanup_registry();
727 	return num_failures;
728 }
729