xref: /spdk/test/unit/lib/nvmf/tcp.c/tcp_ut.c (revision 42fd001310188f0635a3953f3b0ea0b33a840902)
1 /*   SPDX-License-Identifier: BSD-3-Clause
2  *   Copyright (C) 2018 Intel Corporation.
3  *   All rights reserved.
4  *   Copyright (c) 2021, 2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
5  */
6 
7 #include "spdk/stdinc.h"
8 #include "spdk/nvmf_spec.h"
9 #include "spdk_internal/cunit.h"
10 #include "spdk/bdev_zone.h"
11 
12 #include "common/lib/test_env.c"
13 #include "common/lib/test_sock.c"
14 
15 #include "nvmf/ctrlr.c"
16 #include "nvmf/tcp.c"
17 #include "spdk/sock.h"
18 #include "spdk/hexlify.h"
19 
20 #define UT_IPV4_ADDR "192.168.0.1"
21 #define UT_PORT "4420"
22 #define UT_NVMF_ADRFAM_INVALID 0xf
23 #define UT_MAX_QUEUE_DEPTH 128
24 #define UT_MAX_QPAIRS_PER_CTRLR 128
25 #define UT_IN_CAPSULE_DATA_SIZE 1024
26 #define UT_MAX_IO_SIZE 4096
27 #define UT_IO_UNIT_SIZE 1024
28 #define UT_MAX_AQ_DEPTH 64
29 #define UT_SQ_HEAD_MAX 128
30 #define UT_NUM_SHARED_BUFFERS 128
31 
32 static void *g_accel_p = (void *)0xdeadbeaf;
33 
34 SPDK_LOG_REGISTER_COMPONENT(nvmf)
35 
36 DEFINE_STUB(spdk_nvmf_qpair_get_listen_trid,
37 	    int,
38 	    (struct spdk_nvmf_qpair *qpair, struct spdk_nvme_transport_id *trid),
39 	    0);
40 
41 DEFINE_STUB(nvmf_subsystem_add_ctrlr,
42 	    int,
43 	    (struct spdk_nvmf_subsystem *subsystem, struct spdk_nvmf_ctrlr *ctrlr),
44 	    0);
45 
46 DEFINE_STUB(nvmf_subsystem_get_ctrlr,
47 	    struct spdk_nvmf_ctrlr *,
48 	    (struct spdk_nvmf_subsystem *subsystem, uint16_t cntlid),
49 	    NULL);
50 
51 DEFINE_STUB(spdk_nvmf_tgt_find_subsystem,
52 	    struct spdk_nvmf_subsystem *,
53 	    (struct spdk_nvmf_tgt *tgt, const char *subnqn),
54 	    NULL);
55 
56 DEFINE_STUB(spdk_nvmf_subsystem_listener_allowed,
57 	    bool,
58 	    (struct spdk_nvmf_subsystem *subsystem, const struct spdk_nvme_transport_id *trid),
59 	    true);
60 
61 DEFINE_STUB(nvmf_subsystem_find_listener,
62 	    struct spdk_nvmf_subsystem_listener *,
63 	    (struct spdk_nvmf_subsystem *subsystem,
64 	     const struct spdk_nvme_transport_id *trid),
65 	    (void *)0x1);
66 
67 DEFINE_STUB_V(nvmf_get_discovery_log_page,
68 	      (struct spdk_nvmf_tgt *tgt, const char *hostnqn, struct iovec *iov,
69 	       uint32_t iovcnt, uint64_t offset, uint32_t length, struct spdk_nvme_transport_id *cmd_src_trid));
70 
71 DEFINE_STUB_V(nvmf_subsystem_remove_ctrlr,
72 	      (struct spdk_nvmf_subsystem *subsystem, struct spdk_nvmf_ctrlr *ctrlr));
73 
74 DEFINE_STUB(spdk_nvmf_subsystem_get_first_ns,
75 	    struct spdk_nvmf_ns *,
76 	    (struct spdk_nvmf_subsystem *subsystem),
77 	    NULL);
78 
79 DEFINE_STUB(spdk_nvmf_subsystem_get_next_ns,
80 	    struct spdk_nvmf_ns *,
81 	    (struct spdk_nvmf_subsystem *subsystem, struct spdk_nvmf_ns *prev_ns),
82 	    NULL);
83 
84 DEFINE_STUB(spdk_nvmf_subsystem_host_allowed,
85 	    bool,
86 	    (struct spdk_nvmf_subsystem *subsystem, const char *hostnqn),
87 	    true);
88 
89 DEFINE_STUB(nvmf_ctrlr_dsm_supported,
90 	    bool,
91 	    (struct spdk_nvmf_ctrlr *ctrlr),
92 	    false);
93 
94 DEFINE_STUB(nvmf_ctrlr_write_zeroes_supported,
95 	    bool,
96 	    (struct spdk_nvmf_ctrlr *ctrlr),
97 	    false);
98 
99 DEFINE_STUB(nvmf_ctrlr_copy_supported,
100 	    bool,
101 	    (struct spdk_nvmf_ctrlr *ctrlr),
102 	    false);
103 
104 DEFINE_STUB(nvmf_bdev_ctrlr_read_cmd,
105 	    int,
106 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
107 	     struct spdk_nvmf_request *req),
108 	    0);
109 
110 DEFINE_STUB(nvmf_bdev_ctrlr_write_cmd,
111 	    int,
112 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
113 	     struct spdk_nvmf_request *req),
114 	    0);
115 
116 DEFINE_STUB(nvmf_bdev_ctrlr_compare_cmd,
117 	    int,
118 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
119 	     struct spdk_nvmf_request *req),
120 	    0);
121 
122 DEFINE_STUB(nvmf_bdev_ctrlr_compare_and_write_cmd,
123 	    int,
124 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
125 	     struct spdk_nvmf_request *cmp_req, struct spdk_nvmf_request *write_req),
126 	    0);
127 
128 DEFINE_STUB(nvmf_bdev_ctrlr_write_zeroes_cmd,
129 	    int,
130 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
131 	     struct spdk_nvmf_request *req),
132 	    0);
133 
134 DEFINE_STUB(nvmf_bdev_ctrlr_flush_cmd,
135 	    int,
136 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
137 	     struct spdk_nvmf_request *req),
138 	    0);
139 
140 DEFINE_STUB(nvmf_bdev_ctrlr_dsm_cmd,
141 	    int,
142 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
143 	     struct spdk_nvmf_request *req),
144 	    0);
145 
146 DEFINE_STUB(nvmf_bdev_ctrlr_copy_cmd,
147 	    int,
148 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
149 	     struct spdk_nvmf_request *req),
150 	    0);
151 
152 DEFINE_STUB(nvmf_bdev_ctrlr_nvme_passthru_io,
153 	    int,
154 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
155 	     struct spdk_nvmf_request *req),
156 	    0);
157 
158 DEFINE_STUB(spdk_nvmf_bdev_ctrlr_abort_cmd,
159 	    int,
160 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
161 	     struct spdk_nvmf_request *req, struct spdk_nvmf_request *req_to_abort),
162 	    0);
163 
164 DEFINE_STUB(nvmf_bdev_ctrlr_get_dif_ctx,
165 	    bool,
166 	    (struct spdk_bdev *bdev, struct spdk_nvme_cmd *cmd, struct spdk_dif_ctx *dif_ctx),
167 	    false);
168 
169 DEFINE_STUB(nvmf_transport_req_complete,
170 	    int,
171 	    (struct spdk_nvmf_request *req),
172 	    0);
173 
174 DEFINE_STUB(nvmf_bdev_zcopy_enabled,
175 	    bool,
176 	    (struct spdk_bdev *bdev),
177 	    false);
178 
179 DEFINE_STUB(nvmf_bdev_ctrlr_zcopy_start,
180 	    int,
181 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
182 	     struct spdk_nvmf_request *req),
183 	    0);
184 
185 DEFINE_STUB_V(nvmf_bdev_ctrlr_zcopy_end, (struct spdk_nvmf_request *req, bool commit));
186 
187 DEFINE_STUB_V(spdk_nvmf_request_free_buffers,
188 	      (struct spdk_nvmf_request *req, struct spdk_nvmf_transport_poll_group *group,
189 	       struct spdk_nvmf_transport *transport));
190 
191 DEFINE_STUB(spdk_sock_get_optimal_sock_group,
192 	    int,
193 	    (struct spdk_sock *sock, struct spdk_sock_group **group, struct spdk_sock_group *hint),
194 	    0);
195 
196 DEFINE_STUB(spdk_sock_group_get_ctx,
197 	    void *,
198 	    (struct spdk_sock_group *group),
199 	    NULL);
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 DEFINE_STUB(nvmf_transport_req_free,
216 	    int,
217 	    (struct spdk_nvmf_request *req),
218 	    0);
219 
220 DEFINE_STUB(accel_channel_create, int, (void *io_device, void *ctx_buf), 0);
221 DEFINE_STUB_V(accel_channel_destroy, (void *io_device, void *ctx_buf));
222 DEFINE_STUB(spdk_bdev_reset, int, (struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
223 				   spdk_bdev_io_completion_cb cb, void *cb_arg), 0);
224 DEFINE_STUB_V(spdk_bdev_free_io, (struct spdk_bdev_io *bdev_io));
225 
226 DEFINE_STUB(spdk_bdev_get_max_active_zones, uint32_t,
227 	    (const struct spdk_bdev *bdev), 0);
228 DEFINE_STUB(spdk_bdev_get_max_open_zones, uint32_t,
229 	    (const struct spdk_bdev *bdev), 0);
230 DEFINE_STUB(spdk_bdev_is_zoned, bool, (const struct spdk_bdev *bdev), false);
231 DEFINE_STUB(spdk_bdev_get_zone_size, uint64_t, (const struct spdk_bdev *bdev), 0);
232 
233 DEFINE_STUB(spdk_nvme_ns_get_format_index, uint32_t,
234 	    (const struct spdk_nvme_ns_data *nsdata), 0);
235 
236 DEFINE_STUB(spdk_sock_get_impl_name, const char *, (struct spdk_sock *sock), "");
237 
238 DEFINE_STUB(spdk_nvmf_subsystem_is_discovery, bool, (struct spdk_nvmf_subsystem *subsystem), false);
239 
240 DEFINE_STUB(nvmf_ns_is_ptpl_capable, bool, (const struct spdk_nvmf_ns *ns), false);
241 
242 struct spdk_io_channel *
243 spdk_accel_get_io_channel(void)
244 {
245 	return spdk_get_io_channel(g_accel_p);
246 }
247 
248 DEFINE_STUB(spdk_accel_submit_crc32cv,
249 	    int,
250 	    (struct spdk_io_channel *ch, uint32_t *dst, struct iovec *iovs,
251 	     uint32_t iovcnt, uint32_t seed, spdk_accel_completion_cb cb_fn, void *cb_arg),
252 	    0);
253 
254 DEFINE_STUB(spdk_nvmf_bdev_ctrlr_nvme_passthru_admin,
255 	    int,
256 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
257 	     struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
258 	     spdk_nvmf_nvme_passthru_cmd_cb cb_fn),
259 	    0)
260 
261 struct spdk_bdev {
262 	int ut_mock;
263 	uint64_t blockcnt;
264 };
265 
266 int
267 spdk_nvme_transport_id_compare(const struct spdk_nvme_transport_id *trid1,
268 			       const struct spdk_nvme_transport_id *trid2)
269 {
270 	return 0;
271 }
272 
273 const char *
274 spdk_nvme_transport_id_trtype_str(enum spdk_nvme_transport_type trtype)
275 {
276 	switch (trtype) {
277 	case SPDK_NVME_TRANSPORT_PCIE:
278 		return "PCIe";
279 	case SPDK_NVME_TRANSPORT_RDMA:
280 		return "RDMA";
281 	case SPDK_NVME_TRANSPORT_FC:
282 		return "FC";
283 	default:
284 		return NULL;
285 	}
286 }
287 
288 int
289 spdk_nvme_transport_id_populate_trstring(struct spdk_nvme_transport_id *trid, const char *trstring)
290 {
291 	int len, i;
292 
293 	if (trstring == NULL) {
294 		return -EINVAL;
295 	}
296 
297 	len = strnlen(trstring, SPDK_NVMF_TRSTRING_MAX_LEN);
298 	if (len == SPDK_NVMF_TRSTRING_MAX_LEN) {
299 		return -EINVAL;
300 	}
301 
302 	/* cast official trstring to uppercase version of input. */
303 	for (i = 0; i < len; i++) {
304 		trid->trstring[i] = toupper(trstring[i]);
305 	}
306 	return 0;
307 }
308 
309 int
310 spdk_nvmf_qpair_disconnect(struct spdk_nvmf_qpair *qpair, nvmf_qpair_disconnect_cb cb_fn, void *ctx)
311 {
312 	return 0;
313 }
314 
315 int
316 spdk_nvmf_request_get_buffers(struct spdk_nvmf_request *req,
317 			      struct spdk_nvmf_transport_poll_group *group,
318 			      struct spdk_nvmf_transport *transport,
319 			      uint32_t length)
320 {
321 	/* length more than 1 io unit length will fail. */
322 	if (length >= transport->opts.io_unit_size) {
323 		return -EINVAL;
324 	}
325 
326 	req->iovcnt = 1;
327 	req->iov[0].iov_base = (void *)0xDEADBEEF;
328 
329 	return 0;
330 }
331 
332 
333 void
334 nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
335 			    bool dif_insert_or_strip)
336 {
337 	uint64_t num_blocks;
338 
339 	SPDK_CU_ASSERT_FATAL(ns->bdev != NULL);
340 	num_blocks = ns->bdev->blockcnt;
341 	nsdata->nsze = num_blocks;
342 	nsdata->ncap = num_blocks;
343 	nsdata->nuse = num_blocks;
344 	nsdata->nlbaf = 0;
345 	nsdata->flbas.format = 0;
346 	nsdata->flbas.msb_format = 0;
347 	nsdata->lbaf[0].lbads = spdk_u32log2(512);
348 }
349 
350 const char *
351 spdk_nvmf_subsystem_get_sn(const struct spdk_nvmf_subsystem *subsystem)
352 {
353 	return subsystem->sn;
354 }
355 
356 const char *
357 spdk_nvmf_subsystem_get_mn(const struct spdk_nvmf_subsystem *subsystem)
358 {
359 	return subsystem->mn;
360 }
361 
362 static void
363 test_nvmf_tcp_create(void)
364 {
365 	struct spdk_thread *thread;
366 	struct spdk_nvmf_transport *transport;
367 	struct spdk_nvmf_tcp_transport *ttransport;
368 	struct spdk_nvmf_transport_opts opts;
369 
370 	thread = spdk_thread_create(NULL, NULL);
371 	SPDK_CU_ASSERT_FATAL(thread != NULL);
372 	spdk_set_thread(thread);
373 
374 	/* case 1 */
375 	memset(&opts, 0, sizeof(opts));
376 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
377 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
378 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
379 	opts.max_io_size = UT_MAX_IO_SIZE;
380 	opts.io_unit_size = UT_IO_UNIT_SIZE;
381 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
382 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
383 	/* expect success */
384 	transport = nvmf_tcp_create(&opts);
385 	CU_ASSERT_PTR_NOT_NULL(transport);
386 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
387 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
388 	transport->opts = opts;
389 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
390 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
391 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
392 	CU_ASSERT(transport->opts.io_unit_size == UT_IO_UNIT_SIZE);
393 	/* destroy transport */
394 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
395 
396 	/* case 2 */
397 	memset(&opts, 0, sizeof(opts));
398 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
399 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
400 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
401 	opts.max_io_size = UT_MAX_IO_SIZE;
402 	opts.io_unit_size = UT_MAX_IO_SIZE + 1;
403 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
404 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
405 	/* expect success */
406 	transport = nvmf_tcp_create(&opts);
407 	CU_ASSERT_PTR_NOT_NULL(transport);
408 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
409 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
410 	transport->opts = opts;
411 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
412 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
413 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
414 	CU_ASSERT(transport->opts.io_unit_size == UT_MAX_IO_SIZE);
415 	/* destroy transport */
416 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
417 
418 	/* case 3 */
419 	memset(&opts, 0, sizeof(opts));
420 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
421 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
422 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
423 	opts.max_io_size = UT_MAX_IO_SIZE;
424 	opts.io_unit_size = 16;
425 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
426 	/* expect fails */
427 	transport = nvmf_tcp_create(&opts);
428 	CU_ASSERT_PTR_NULL(transport);
429 
430 	spdk_thread_exit(thread);
431 	while (!spdk_thread_is_exited(thread)) {
432 		spdk_thread_poll(thread, 0, 0);
433 	}
434 	spdk_thread_destroy(thread);
435 }
436 
437 static void
438 test_nvmf_tcp_destroy(void)
439 {
440 	struct spdk_thread *thread;
441 	struct spdk_nvmf_transport *transport;
442 	struct spdk_nvmf_transport_opts opts;
443 
444 	thread = spdk_thread_create(NULL, NULL);
445 	SPDK_CU_ASSERT_FATAL(thread != NULL);
446 	spdk_set_thread(thread);
447 
448 	/* case 1 */
449 	memset(&opts, 0, sizeof(opts));
450 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
451 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
452 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
453 	opts.max_io_size = UT_MAX_IO_SIZE;
454 	opts.io_unit_size = UT_IO_UNIT_SIZE;
455 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
456 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
457 	transport = nvmf_tcp_create(&opts);
458 	CU_ASSERT_PTR_NOT_NULL(transport);
459 	transport->opts = opts;
460 	/* destroy transport */
461 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
462 
463 	spdk_thread_exit(thread);
464 	while (!spdk_thread_is_exited(thread)) {
465 		spdk_thread_poll(thread, 0, 0);
466 	}
467 	spdk_thread_destroy(thread);
468 }
469 
470 static void
471 init_accel(void)
472 {
473 	spdk_io_device_register(g_accel_p, accel_channel_create, accel_channel_destroy,
474 				sizeof(int), "accel_p");
475 }
476 
477 static void
478 fini_accel(void)
479 {
480 	spdk_io_device_unregister(g_accel_p, NULL);
481 }
482 
483 static void
484 test_nvmf_tcp_poll_group_create(void)
485 {
486 	struct spdk_nvmf_transport *transport;
487 	struct spdk_nvmf_transport_poll_group *group;
488 	struct spdk_nvmf_tcp_poll_group *tgroup;
489 	struct spdk_thread *thread;
490 	struct spdk_nvmf_transport_opts opts;
491 	struct spdk_sock_group grp = {};
492 
493 	thread = spdk_thread_create(NULL, NULL);
494 	SPDK_CU_ASSERT_FATAL(thread != NULL);
495 	spdk_set_thread(thread);
496 
497 	init_accel();
498 
499 	memset(&opts, 0, sizeof(opts));
500 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
501 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
502 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
503 	opts.max_io_size = UT_MAX_IO_SIZE;
504 	opts.io_unit_size = UT_IO_UNIT_SIZE;
505 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
506 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
507 	transport = nvmf_tcp_create(&opts);
508 	CU_ASSERT_PTR_NOT_NULL(transport);
509 	transport->opts = opts;
510 	MOCK_SET(spdk_sock_group_create, &grp);
511 	group = nvmf_tcp_poll_group_create(transport, NULL);
512 	MOCK_CLEAR_P(spdk_sock_group_create);
513 	SPDK_CU_ASSERT_FATAL(group);
514 	if (opts.in_capsule_data_size < SPDK_NVME_TCP_IN_CAPSULE_DATA_MAX_SIZE) {
515 		tgroup = SPDK_CONTAINEROF(group, struct spdk_nvmf_tcp_poll_group, group);
516 		SPDK_CU_ASSERT_FATAL(tgroup->control_msg_list);
517 	}
518 	group->transport = transport;
519 	nvmf_tcp_poll_group_destroy(group);
520 	nvmf_tcp_destroy(transport, NULL, NULL);
521 
522 	fini_accel();
523 	spdk_thread_exit(thread);
524 	while (!spdk_thread_is_exited(thread)) {
525 		spdk_thread_poll(thread, 0, 0);
526 	}
527 	spdk_thread_destroy(thread);
528 }
529 
530 static void
531 test_nvmf_tcp_send_c2h_data(void)
532 {
533 	struct spdk_thread *thread;
534 	struct spdk_nvmf_tcp_transport ttransport = {};
535 	struct spdk_nvmf_tcp_qpair tqpair = {};
536 	struct spdk_nvmf_tcp_req tcp_req = {};
537 	struct nvme_tcp_pdu pdu = {};
538 	struct spdk_nvme_tcp_c2h_data_hdr *c2h_data;
539 
540 	ttransport.tcp_opts.c2h_success = true;
541 	thread = spdk_thread_create(NULL, NULL);
542 	SPDK_CU_ASSERT_FATAL(thread != NULL);
543 	spdk_set_thread(thread);
544 
545 	tcp_req.pdu = &pdu;
546 	tcp_req.req.length = 300;
547 	tcp_req.req.qpair = &tqpair.qpair;
548 
549 	tqpair.qpair.transport = &ttransport.transport;
550 
551 	/* Set qpair state to make unrelated operations NOP */
552 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
553 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
554 
555 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
556 
557 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
558 	tcp_req.req.iov[0].iov_len = 101;
559 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
560 	tcp_req.req.iov[1].iov_len = 100;
561 	tcp_req.req.iov[2].iov_base = (void *)0xC0FFEE;
562 	tcp_req.req.iov[2].iov_len = 99;
563 	tcp_req.req.iovcnt = 3;
564 	tcp_req.req.length = 300;
565 
566 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
567 
568 	c2h_data = &pdu.hdr.c2h_data;
569 	CU_ASSERT(c2h_data->datao == 0);
570 	CU_ASSERT(c2h_data->datal = 300);
571 	CU_ASSERT(c2h_data->common.plen == sizeof(*c2h_data) + 300);
572 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
573 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS);
574 
575 	CU_ASSERT(pdu.data_iovcnt == 3);
576 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
577 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
578 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
579 	CU_ASSERT(pdu.data_iov[1].iov_len == 100);
580 	CU_ASSERT((uint64_t)pdu.data_iov[2].iov_base == 0xC0FFEE);
581 	CU_ASSERT(pdu.data_iov[2].iov_len == 99);
582 
583 	tcp_req.pdu_in_use = false;
584 	tcp_req.rsp.cdw0 = 1;
585 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
586 
587 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
588 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
589 
590 	ttransport.tcp_opts.c2h_success = false;
591 	tcp_req.pdu_in_use = false;
592 	tcp_req.rsp.cdw0 = 0;
593 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
594 
595 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
596 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
597 
598 	tcp_req.pdu_in_use = false;
599 	tcp_req.rsp.cdw0 = 1;
600 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
601 
602 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
603 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
604 
605 	spdk_thread_exit(thread);
606 	while (!spdk_thread_is_exited(thread)) {
607 		spdk_thread_poll(thread, 0, 0);
608 	}
609 	spdk_thread_destroy(thread);
610 }
611 
612 #define NVMF_TCP_PDU_MAX_H2C_DATA_SIZE (128 * 1024)
613 
614 static void
615 test_nvmf_tcp_h2c_data_hdr_handle(void)
616 {
617 	struct spdk_nvmf_tcp_transport ttransport = {};
618 	struct spdk_nvmf_tcp_qpair tqpair = {};
619 	struct nvme_tcp_pdu pdu = {};
620 	struct spdk_nvmf_tcp_req tcp_req = {};
621 	struct spdk_nvme_tcp_h2c_data_hdr *h2c_data;
622 
623 	/* Set qpair state to make unrelated operations NOP */
624 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
625 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
626 	tqpair.resource_count = 1;
627 	tqpair.reqs = &tcp_req;
628 
629 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
630 	tcp_req.req.iov[0].iov_len = 101;
631 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
632 	tcp_req.req.iov[1].iov_len = 99;
633 	tcp_req.req.iovcnt = 2;
634 	tcp_req.req.length = 200;
635 	tcp_req.state = TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER;
636 
637 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
638 	tcp_req.req.cmd->nvme_cmd.cid = 1;
639 	tcp_req.ttag = 1;
640 
641 	h2c_data = &pdu.hdr.h2c_data;
642 	h2c_data->cccid = 1;
643 	h2c_data->ttag = 1;
644 	h2c_data->datao = 0;
645 	h2c_data->datal = 200;
646 
647 	nvmf_tcp_h2c_data_hdr_handle(&ttransport, &tqpair, &pdu);
648 
649 	CU_ASSERT(pdu.data_iovcnt == 2);
650 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
651 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
652 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
653 	CU_ASSERT(pdu.data_iov[1].iov_len == 99);
654 }
655 
656 
657 static void
658 test_nvmf_tcp_in_capsule_data_handle(void)
659 {
660 	struct spdk_nvmf_tcp_transport ttransport = {};
661 	struct spdk_nvmf_tcp_qpair tqpair = {};
662 	struct nvme_tcp_pdu *pdu, pdu_in_progress = {};
663 	union nvmf_c2h_msg rsp0 = {};
664 	union nvmf_c2h_msg rsp = {};
665 
666 	struct spdk_nvmf_request *req_temp = NULL;
667 	struct spdk_nvmf_tcp_req tcp_req2 = {};
668 	struct spdk_nvmf_tcp_req tcp_req1 = {};
669 
670 	struct spdk_nvme_tcp_cmd *capsule_data;
671 	struct spdk_nvmf_capsule_cmd *nvmf_capsule_data;
672 	struct spdk_nvme_sgl_descriptor *sgl;
673 
674 	struct spdk_nvmf_transport_poll_group *group;
675 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
676 	struct spdk_sock_group grp = {};
677 
678 	tqpair.pdu_in_progress = &pdu_in_progress;
679 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
680 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
681 
682 	tcp_group.sock_group = &grp;
683 	TAILQ_INIT(&tcp_group.qpairs);
684 	group = &tcp_group.group;
685 	group->transport = &ttransport.transport;
686 	STAILQ_INIT(&group->pending_buf_queue);
687 	tqpair.group = &tcp_group;
688 
689 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
690 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
691 
692 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_free_queue, &tcp_req2, state_link);
693 	tqpair.state_cntr[TCP_REQUEST_STATE_FREE]++;
694 	tqpair.qpair.transport = &ttransport.transport;
695 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
696 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
697 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
698 
699 	/* init a null tcp_req into tqpair TCP_REQUEST_STATE_FREE queue */
700 	tcp_req2.req.qpair = &tqpair.qpair;
701 	tcp_req2.req.cmd = (union nvmf_h2c_msg *)&tcp_req2.cmd;
702 	tcp_req2.req.rsp = &rsp;
703 
704 	/* init tcp_req1 */
705 	tcp_req1.req.qpair = &tqpair.qpair;
706 	tcp_req1.req.cmd = (union nvmf_h2c_msg *)&tcp_req1.cmd;
707 	tcp_req1.req.rsp = &rsp0;
708 	tcp_req1.state = TCP_REQUEST_STATE_NEW;
709 
710 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req1, state_link);
711 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
712 
713 	/* init pdu, make pdu need sgl buff */
714 	pdu = tqpair.pdu_in_progress;
715 	capsule_data = &pdu->hdr.capsule_cmd;
716 	nvmf_capsule_data = (struct spdk_nvmf_capsule_cmd *)&pdu->hdr.capsule_cmd.ccsqe;
717 	sgl = &capsule_data->ccsqe.dptr.sgl1;
718 
719 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
720 	capsule_data->common.hlen = sizeof(*capsule_data);
721 	capsule_data->common.plen = 1096;
722 	capsule_data->ccsqe.opc = SPDK_NVME_OPC_FABRIC;
723 
724 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
725 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
726 	sgl->unkeyed.length = UT_IO_UNIT_SIZE;
727 
728 	nvmf_capsule_data->fctype = SPDK_NVMF_FABRIC_COMMAND_CONNECT;
729 
730 	/* insert tcp_req1 to pending_buf_queue, And this req takes precedence over the next req. */
731 	nvmf_tcp_req_process(&ttransport, &tcp_req1);
732 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
733 
734 	sgl->unkeyed.length = UT_IO_UNIT_SIZE - 1;
735 
736 	/* process tqpair capsule req. but we still remain req in pending_buff. */
737 	nvmf_tcp_capsule_cmd_hdr_handle(&ttransport, &tqpair, tqpair.pdu_in_progress);
738 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PAYLOAD);
739 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
740 	STAILQ_FOREACH(req_temp, &group->pending_buf_queue, buf_link) {
741 		if (req_temp == &tcp_req2.req) {
742 			break;
743 		}
744 	}
745 	CU_ASSERT(req_temp == NULL);
746 	CU_ASSERT(tqpair.pdu_in_progress->req == (void *)&tcp_req2);
747 }
748 
749 static void
750 test_nvmf_tcp_qpair_init_mem_resource(void)
751 {
752 	int rc;
753 	struct spdk_nvmf_tcp_qpair *tqpair = NULL;
754 	struct spdk_nvmf_transport transport = {};
755 	struct spdk_thread *thread;
756 
757 	thread = spdk_thread_create(NULL, NULL);
758 	SPDK_CU_ASSERT_FATAL(thread != NULL);
759 	spdk_set_thread(thread);
760 
761 	tqpair = calloc(1, sizeof(*tqpair));
762 	tqpair->qpair.transport = &transport;
763 
764 	nvmf_tcp_opts_init(&transport.opts);
765 	CU_ASSERT(transport.opts.max_queue_depth == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
766 	CU_ASSERT(transport.opts.max_qpairs_per_ctrlr == SPDK_NVMF_TCP_DEFAULT_MAX_QPAIRS_PER_CTRLR);
767 	CU_ASSERT(transport.opts.in_capsule_data_size == SPDK_NVMF_TCP_DEFAULT_IN_CAPSULE_DATA_SIZE);
768 	CU_ASSERT(transport.opts.max_io_size ==	SPDK_NVMF_TCP_DEFAULT_MAX_IO_SIZE);
769 	CU_ASSERT(transport.opts.io_unit_size == SPDK_NVMF_TCP_DEFAULT_IO_UNIT_SIZE);
770 	CU_ASSERT(transport.opts.max_aq_depth == SPDK_NVMF_TCP_DEFAULT_MAX_ADMIN_QUEUE_DEPTH);
771 	CU_ASSERT(transport.opts.num_shared_buffers == SPDK_NVMF_TCP_DEFAULT_NUM_SHARED_BUFFERS);
772 	CU_ASSERT(transport.opts.buf_cache_size == SPDK_NVMF_TCP_DEFAULT_BUFFER_CACHE_SIZE);
773 	CU_ASSERT(transport.opts.dif_insert_or_strip ==	SPDK_NVMF_TCP_DEFAULT_DIF_INSERT_OR_STRIP);
774 	CU_ASSERT(transport.opts.abort_timeout_sec == SPDK_NVMF_TCP_DEFAULT_ABORT_TIMEOUT_SEC);
775 	CU_ASSERT(transport.opts.transport_specific == NULL);
776 
777 	rc = nvmf_tcp_qpair_init(&tqpair->qpair);
778 	CU_ASSERT(rc == 0);
779 	CU_ASSERT(tqpair->host_hdgst_enable == true);
780 	CU_ASSERT(tqpair->host_ddgst_enable == true);
781 
782 	rc = nvmf_tcp_qpair_init_mem_resource(tqpair);
783 	CU_ASSERT(rc == 0);
784 	CU_ASSERT(tqpair->resource_count == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
785 	CU_ASSERT(tqpair->reqs != NULL);
786 	CU_ASSERT(tqpair->bufs != NULL);
787 	CU_ASSERT(tqpair->pdus != NULL);
788 	/* Just to check the first and last entry */
789 	CU_ASSERT(tqpair->reqs[0].ttag == 1);
790 	CU_ASSERT(tqpair->reqs[0].req.qpair == &tqpair->qpair);
791 	CU_ASSERT(tqpair->reqs[0].pdu == &tqpair->pdus[0]);
792 	CU_ASSERT(tqpair->reqs[0].pdu->qpair == &tqpair->qpair);
793 	CU_ASSERT(tqpair->reqs[0].buf == (void *)((uintptr_t)tqpair->bufs));
794 	CU_ASSERT(tqpair->reqs[0].req.rsp == (void *)&tqpair->reqs[0].rsp);
795 	CU_ASSERT(tqpair->reqs[0].req.cmd == (void *)&tqpair->reqs[0].cmd);
796 	CU_ASSERT(tqpair->reqs[0].state == TCP_REQUEST_STATE_FREE);
797 	CU_ASSERT(tqpair->reqs[127].ttag == 128);
798 	CU_ASSERT(tqpair->reqs[127].req.qpair == &tqpair->qpair);
799 	CU_ASSERT(tqpair->reqs[127].pdu == &tqpair->pdus[127]);
800 	CU_ASSERT(tqpair->reqs[127].pdu->qpair == &tqpair->qpair);
801 	CU_ASSERT(tqpair->reqs[127].buf == (void *)((uintptr_t)tqpair->bufs) + 127 * 4096);
802 	CU_ASSERT(tqpair->reqs[127].req.rsp == (void *)&tqpair->reqs[127].rsp);
803 	CU_ASSERT(tqpair->reqs[127].req.cmd == (void *)&tqpair->reqs[127].cmd);
804 	CU_ASSERT(tqpair->reqs[127].state == TCP_REQUEST_STATE_FREE);
805 	CU_ASSERT(tqpair->state_cntr[TCP_REQUEST_STATE_FREE] == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
806 	CU_ASSERT(tqpair->mgmt_pdu == &tqpair->pdus[2 * SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH]);
807 	CU_ASSERT(tqpair->mgmt_pdu->qpair == tqpair);
808 	CU_ASSERT(tqpair->pdu_in_progress ==
809 		  &tqpair->pdus[2 * SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH - 1]);
810 	CU_ASSERT(tqpair->recv_buf_size == (4096 + sizeof(struct spdk_nvme_tcp_cmd) + 2 *
811 					    SPDK_NVME_TCP_DIGEST_LEN) * SPDK_NVMF_TCP_RECV_BUF_SIZE_FACTOR);
812 
813 	/* Free all of tqpair resource */
814 	nvmf_tcp_qpair_destroy(tqpair);
815 
816 	spdk_thread_exit(thread);
817 	while (!spdk_thread_is_exited(thread)) {
818 		spdk_thread_poll(thread, 0, 0);
819 	}
820 	spdk_thread_destroy(thread);
821 }
822 
823 static void
824 test_nvmf_tcp_send_c2h_term_req(void)
825 {
826 	struct spdk_nvmf_tcp_qpair tqpair = {};
827 	struct nvme_tcp_pdu pdu = {}, mgmt_pdu = {}, pdu_in_progress = {};
828 	enum spdk_nvme_tcp_term_req_fes fes = SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD;
829 	uint32_t error_offset = 1;
830 
831 	mgmt_pdu.qpair = &tqpair;
832 	tqpair.mgmt_pdu = &mgmt_pdu;
833 	tqpair.pdu_in_progress = &pdu_in_progress;
834 	tqpair.tcp_pdu_working_count = 1;
835 
836 	/* case1: hlen < SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE, Expect: copy_len == hlen */
837 	pdu.hdr.common.hlen = 64;
838 	nvmf_tcp_send_c2h_term_req(&tqpair, &pdu, fes, error_offset);
839 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
840 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
841 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
842 		  pdu.hdr.common.hlen);
843 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
844 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fes == SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD);
845 
846 	/* case2: hlen > SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE, Expect: copy_len == SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE */
847 	pdu.hdr.common.hlen = 255;
848 	nvmf_tcp_send_c2h_term_req(&tqpair, &pdu, fes, error_offset);
849 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
850 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
851 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == (unsigned)
852 		  tqpair.mgmt_pdu->hdr.term_req.common.hlen + SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
853 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
854 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fes == SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD);
855 }
856 
857 static void
858 test_nvmf_tcp_send_capsule_resp_pdu(void)
859 {
860 	struct spdk_nvmf_tcp_req tcp_req = {};
861 	struct spdk_nvmf_tcp_qpair tqpair = {};
862 	struct nvme_tcp_pdu pdu = {};
863 
864 	tcp_req.pdu_in_use = false;
865 	tcp_req.req.qpair = &tqpair.qpair;
866 	tcp_req.pdu = &pdu;
867 	tcp_req.req.rsp = (union nvmf_c2h_msg *)&tcp_req.rsp;
868 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
869 	tqpair.host_hdgst_enable = true;
870 
871 	nvmf_tcp_send_capsule_resp_pdu(&tcp_req, &tqpair);
872 	CU_ASSERT(pdu.hdr.capsule_resp.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP);
873 	CU_ASSERT(pdu.hdr.capsule_resp.common.plen == sizeof(struct spdk_nvme_tcp_rsp) +
874 		  SPDK_NVME_TCP_DIGEST_LEN);
875 	CU_ASSERT(pdu.hdr.capsule_resp.common.hlen == sizeof(struct spdk_nvme_tcp_rsp));
876 	CU_ASSERT(!memcmp(&pdu.hdr.capsule_resp.rccqe, &tcp_req.req.rsp->nvme_cpl,
877 			  sizeof(struct spdk_nvme_cpl)));
878 	CU_ASSERT(pdu.hdr.capsule_resp.common.flags & SPDK_NVME_TCP_CH_FLAGS_HDGSTF);
879 	CU_ASSERT(pdu.cb_fn == nvmf_tcp_request_free);
880 	CU_ASSERT(pdu.cb_arg == &tcp_req);
881 	CU_ASSERT(pdu.iov[0].iov_base == &pdu.hdr.raw);
882 	CU_ASSERT(pdu.iov[0].iov_len == sizeof(struct spdk_nvme_tcp_rsp) + SPDK_NVME_TCP_DIGEST_LEN);
883 
884 	/* hdgst disable */
885 	tqpair.host_hdgst_enable = false;
886 	tcp_req.pdu_in_use = false;
887 	memset(&pdu, 0, sizeof(pdu));
888 
889 	nvmf_tcp_send_capsule_resp_pdu(&tcp_req, &tqpair);
890 	CU_ASSERT(pdu.hdr.capsule_resp.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP);
891 	CU_ASSERT(pdu.hdr.capsule_resp.common.plen == sizeof(struct spdk_nvme_tcp_rsp));
892 	CU_ASSERT(pdu.hdr.capsule_resp.common.hlen == sizeof(struct spdk_nvme_tcp_rsp));
893 	CU_ASSERT(!memcmp(&pdu.hdr.capsule_resp.rccqe, &tcp_req.req.rsp->nvme_cpl,
894 			  sizeof(struct spdk_nvme_cpl)));
895 	CU_ASSERT(!(pdu.hdr.capsule_resp.common.flags & SPDK_NVME_TCP_CH_FLAGS_HDGSTF));
896 	CU_ASSERT(pdu.cb_fn == nvmf_tcp_request_free);
897 	CU_ASSERT(pdu.cb_arg == &tcp_req);
898 	CU_ASSERT(pdu.iov[0].iov_base == &pdu.hdr.raw);
899 	CU_ASSERT(pdu.iov[0].iov_len == sizeof(struct spdk_nvme_tcp_rsp));
900 }
901 
902 static void
903 test_nvmf_tcp_icreq_handle(void)
904 {
905 	struct spdk_nvmf_tcp_transport ttransport = {};
906 	struct spdk_nvmf_tcp_qpair tqpair = {};
907 	struct nvme_tcp_pdu pdu = {};
908 	struct nvme_tcp_pdu mgmt_pdu = {};
909 	struct nvme_tcp_pdu pdu_in_progress = {};
910 	struct spdk_nvme_tcp_ic_resp *ic_resp;
911 
912 	mgmt_pdu.qpair = &tqpair;
913 	tqpair.mgmt_pdu = &mgmt_pdu;
914 	tqpair.pdu_in_progress = &pdu_in_progress;
915 	tqpair.tcp_pdu_working_count = 1;
916 
917 	/* case 1: Expected ICReq PFV 0 and got are different. */
918 	pdu.hdr.ic_req.pfv = 1;
919 
920 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
921 
922 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
923 
924 	/* case 2: Expected ICReq HPDA in range 0-31 and got are different. */
925 	pdu.hdr.ic_req.hpda = SPDK_NVME_TCP_HPDA_MAX + 1;
926 
927 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
928 
929 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
930 
931 	/* case 3: Expect: PASS.  */
932 	ttransport.transport.opts.max_io_size = 32;
933 	pdu.hdr.ic_req.pfv = 0;
934 	tqpair.host_hdgst_enable = false;
935 	tqpair.host_ddgst_enable = false;
936 	tqpair.recv_buf_size = 64;
937 	pdu.hdr.ic_req.hpda = 16;
938 
939 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
940 
941 	ic_resp = &tqpair.mgmt_pdu->hdr.ic_resp;
942 	CU_ASSERT(tqpair.recv_buf_size == MIN_SOCK_PIPE_SIZE);
943 	CU_ASSERT(tqpair.cpda == pdu.hdr.ic_req.hpda);
944 	CU_ASSERT(ic_resp->common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_IC_RESP);
945 	CU_ASSERT(ic_resp->common.hlen == sizeof(struct spdk_nvme_tcp_ic_resp));
946 	CU_ASSERT(ic_resp->common.plen ==  sizeof(struct spdk_nvme_tcp_ic_resp));
947 	CU_ASSERT(ic_resp->pfv == 0);
948 	CU_ASSERT(ic_resp->cpda == tqpair.cpda);
949 	CU_ASSERT(ic_resp->maxh2cdata == ttransport.transport.opts.max_io_size);
950 	CU_ASSERT(ic_resp->dgst.bits.hdgst_enable == 0);
951 	CU_ASSERT(ic_resp->dgst.bits.ddgst_enable == 0);
952 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_READY);
953 }
954 
955 static void
956 test_nvmf_tcp_check_xfer_type(void)
957 {
958 	const uint16_t cid = 0xAA;
959 	struct spdk_nvmf_tcp_transport ttransport = {};
960 	struct spdk_nvmf_tcp_qpair tqpair = {};
961 	struct nvme_tcp_pdu pdu_in_progress = {};
962 	union nvmf_c2h_msg rsp0 = {};
963 
964 	struct spdk_nvmf_tcp_req tcp_req = {};
965 	struct nvme_tcp_pdu rsp_pdu = {};
966 
967 	struct spdk_nvme_tcp_cmd *capsule_data;
968 	struct spdk_nvme_sgl_descriptor *sgl;
969 
970 	struct spdk_nvmf_transport_poll_group *group;
971 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
972 	struct spdk_sock_group grp = {};
973 
974 	tqpair.pdu_in_progress = &pdu_in_progress;
975 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
976 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
977 
978 	tcp_group.sock_group = &grp;
979 	TAILQ_INIT(&tcp_group.qpairs);
980 	group = &tcp_group.group;
981 	group->transport = &ttransport.transport;
982 	STAILQ_INIT(&group->pending_buf_queue);
983 	tqpair.group = &tcp_group;
984 
985 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
986 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
987 
988 	tqpair.qpair.transport = &ttransport.transport;
989 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
990 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
991 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
992 
993 	/* init tcp_req */
994 	tcp_req.req.qpair = &tqpair.qpair;
995 	tcp_req.pdu = &rsp_pdu;
996 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
997 	tcp_req.req.rsp = &rsp0;
998 	tcp_req.state = TCP_REQUEST_STATE_NEW;
999 
1000 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req, state_link);
1001 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
1002 
1003 	/* init pdu, make pdu need sgl buff */
1004 	capsule_data = &tqpair.pdu_in_progress->hdr.capsule_cmd;
1005 	sgl = &capsule_data->ccsqe.dptr.sgl1;
1006 
1007 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1008 	capsule_data->common.hlen = sizeof(*capsule_data);
1009 	capsule_data->common.plen = 1096;
1010 	capsule_data->ccsqe.opc = 0x10 | SPDK_NVME_DATA_BIDIRECTIONAL;
1011 	/* Need to set to a non zero valid to check it gets copied to the response */
1012 	capsule_data->ccsqe.cid = cid;
1013 
1014 	/* Set up SGL to ensure nvmf_tcp_req_parse_sgl returns an error */
1015 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
1016 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
1017 	sgl->unkeyed.length = UT_IO_UNIT_SIZE;
1018 
1019 	/* Process a command and ensure that it fails and the request is set up to return an error */
1020 	nvmf_tcp_req_process(&ttransport, &tcp_req);
1021 	CU_ASSERT(STAILQ_EMPTY(&group->pending_buf_queue));
1022 	CU_ASSERT(tcp_req.state == TCP_REQUEST_STATE_TRANSFERRING_CONTROLLER_TO_HOST);
1023 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_READY);
1024 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.cid == cid);
1025 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.status.sct == SPDK_NVME_SCT_GENERIC);
1026 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.status.sc == SPDK_NVME_SC_INVALID_OPCODE);
1027 }
1028 
1029 static void
1030 test_nvmf_tcp_invalid_sgl(void)
1031 {
1032 	const uint16_t cid = 0xAABB;
1033 	struct spdk_nvmf_tcp_transport ttransport = {};
1034 	struct spdk_nvmf_tcp_qpair tqpair = {};
1035 	struct nvme_tcp_pdu pdu_in_progress = {};
1036 	union nvmf_c2h_msg rsp0 = {};
1037 
1038 	struct spdk_nvmf_tcp_req tcp_req = {};
1039 	struct nvme_tcp_pdu rsp_pdu = {};
1040 	struct nvme_tcp_pdu mgmt_pdu = {};
1041 
1042 	struct spdk_nvme_tcp_cmd *capsule_data;
1043 	struct spdk_nvme_sgl_descriptor *sgl;
1044 
1045 	struct spdk_nvmf_transport_poll_group *group;
1046 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
1047 	struct spdk_sock_group grp = {};
1048 
1049 	tqpair.pdu_in_progress = &pdu_in_progress;
1050 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
1051 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
1052 
1053 	tcp_group.sock_group = &grp;
1054 	TAILQ_INIT(&tcp_group.qpairs);
1055 	group = &tcp_group.group;
1056 	group->transport = &ttransport.transport;
1057 	STAILQ_INIT(&group->pending_buf_queue);
1058 	tqpair.group = &tcp_group;
1059 
1060 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
1061 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
1062 
1063 	tqpair.qpair.transport = &ttransport.transport;
1064 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1065 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
1066 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
1067 
1068 	/* init tcp_req */
1069 	tcp_req.req.qpair = &tqpair.qpair;
1070 	tcp_req.pdu = &rsp_pdu;
1071 	tcp_req.pdu->qpair = &tqpair;
1072 	tqpair.mgmt_pdu = &mgmt_pdu;
1073 	tqpair.mgmt_pdu->qpair = &tqpair;
1074 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
1075 	tcp_req.req.rsp = &rsp0;
1076 	tcp_req.state = TCP_REQUEST_STATE_NEW;
1077 
1078 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req, state_link);
1079 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
1080 
1081 	/* init pdu, make pdu need sgl buff */
1082 	capsule_data = &tqpair.pdu_in_progress->hdr.capsule_cmd;
1083 	sgl = &capsule_data->ccsqe.dptr.sgl1;
1084 
1085 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1086 	capsule_data->common.hlen = sizeof(*capsule_data);
1087 	capsule_data->common.plen = 1096;
1088 	capsule_data->ccsqe.opc = SPDK_NVME_OPC_WRITE;
1089 	/* Need to set to a non zero valid to check it gets copied to the response */
1090 	capsule_data->ccsqe.cid = cid;
1091 
1092 	/* Set up SGL to ensure nvmf_tcp_req_parse_sgl returns an error */
1093 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
1094 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
1095 	sgl->unkeyed.length = UT_MAX_IO_SIZE + 1;
1096 
1097 	/* Process a command and ensure that it fails and the request is set up to return an error */
1098 	nvmf_tcp_req_process(&ttransport, &tcp_req);
1099 	CU_ASSERT(!STAILQ_EMPTY(&group->pending_buf_queue));
1100 	CU_ASSERT(tcp_req.state == TCP_REQUEST_STATE_NEED_BUFFER);
1101 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1102 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1103 }
1104 
1105 static void
1106 test_nvmf_tcp_pdu_ch_handle(void)
1107 {
1108 	struct spdk_nvmf_tcp_qpair tqpair = {};
1109 	struct nvme_tcp_pdu mgmt_pdu = {}, pdu_in_progress = {};
1110 
1111 	mgmt_pdu.qpair = &tqpair;
1112 	tqpair.mgmt_pdu = &mgmt_pdu;
1113 	tqpair.pdu_in_progress = &pdu_in_progress;
1114 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1115 	tqpair.cpda = 0;
1116 
1117 	/* Test case: Already received ICreq PDU. Expect: fail */
1118 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1119 	tqpair.state = NVME_TCP_QPAIR_STATE_INITIALIZING;
1120 	nvmf_tcp_pdu_ch_handle(&tqpair);
1121 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1122 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1123 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1124 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1125 
1126 	/* Test case: Expected PDU header length and received are different. Expect: fail */
1127 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1128 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1129 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1130 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1131 	tqpair.pdu_in_progress->hdr.common.hlen = 0;
1132 	nvmf_tcp_pdu_ch_handle(&tqpair);
1133 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1134 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1135 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1136 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1137 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 2);
1138 
1139 	/* Test case: The TCP/IP tqpair connection is not negotitated. Expect: fail */
1140 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1141 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_RESP;
1142 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1143 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1144 	tqpair.pdu_in_progress->hdr.common.hlen = 0;
1145 	nvmf_tcp_pdu_ch_handle(&tqpair);
1146 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1147 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1148 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1149 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1150 
1151 	/* Test case: Unexpected PDU type. Expect: fail */
1152 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1153 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP;
1154 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1155 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1156 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1157 	nvmf_tcp_pdu_ch_handle(&tqpair);
1158 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1159 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1160 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1161 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1162 		  (unsigned)SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
1163 
1164 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_IC_REQ, let plen error. Expect: fail */
1165 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1166 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1167 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1168 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1169 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1170 	nvmf_tcp_pdu_ch_handle(&tqpair);
1171 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1172 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1173 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1174 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1175 		  (unsigned)SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
1176 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1177 
1178 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD, let plen error. Expect: fail */
1179 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1180 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1181 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1182 	tqpair.pdu_in_progress->hdr.common.flags = SPDK_NVME_TCP_CH_FLAGS_HDGSTF;
1183 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1184 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_cmd);
1185 	nvmf_tcp_pdu_ch_handle(&tqpair);
1186 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1187 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1188 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1189 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == sizeof(struct spdk_nvme_tcp_cmd) + sizeof(
1190 			  struct spdk_nvme_tcp_term_req_hdr));
1191 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1192 
1193 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_DATA, let plen error. Expect: fail */
1194 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1195 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_DATA;
1196 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1197 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1198 	tqpair.pdu_in_progress->hdr.common.pdo = 64;
1199 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_h2c_data_hdr);
1200 	nvmf_tcp_pdu_ch_handle(&tqpair);
1201 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1202 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1203 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1204 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1205 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1206 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1207 
1208 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_TERM_REQ, let plen error. Expect: fail */
1209 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1210 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_TERM_REQ;
1211 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1212 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1213 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_term_req_hdr);
1214 	nvmf_tcp_pdu_ch_handle(&tqpair);
1215 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1216 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1217 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1218 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1219 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1220 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1221 
1222 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD, let pdo error. Expect: fail */
1223 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1224 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1225 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1226 	tqpair.cpda = 1;
1227 	tqpair.pdu_in_progress->hdr.common.flags = SPDK_NVME_TCP_CH_FLAGS_HDGSTF;
1228 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1229 	tqpair.pdu_in_progress->hdr.common.pdo = 63;
1230 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_cmd);
1231 	nvmf_tcp_pdu_ch_handle(&tqpair);
1232 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1233 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1234 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1235 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == sizeof(struct spdk_nvme_tcp_cmd) + sizeof(
1236 			  struct spdk_nvme_tcp_term_req_hdr));
1237 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 3);
1238 
1239 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_DATA, let pdo error. Expect: fail */
1240 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1241 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_DATA;
1242 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1243 	tqpair.cpda = 1;
1244 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1245 	tqpair.pdu_in_progress->hdr.common.pdo = 63;
1246 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_h2c_data_hdr);
1247 	nvmf_tcp_pdu_ch_handle(&tqpair);
1248 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1249 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1250 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1251 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1252 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1253 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 3);
1254 
1255 	/* Test case: All parameters is conformed to the function. Expect: PASS */
1256 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1257 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1258 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1259 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1260 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1261 	nvmf_tcp_pdu_ch_handle(&tqpair);
1262 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH);
1263 	CU_ASSERT(tqpair.pdu_in_progress->psh_len == tqpair.pdu_in_progress->hdr.common.hlen - sizeof(
1264 			  struct spdk_nvme_tcp_common_pdu_hdr));
1265 }
1266 
1267 static void
1268 test_nvmf_tcp_tls_add_remove_credentials(void)
1269 {
1270 	struct spdk_thread *thread;
1271 	struct spdk_nvmf_transport *transport;
1272 	struct spdk_nvmf_tcp_transport *ttransport;
1273 	struct spdk_nvmf_transport_opts opts;
1274 	struct spdk_nvmf_subsystem subsystem;
1275 	struct tcp_psk_entry *entry;
1276 	const char subnqn[] = {"nqn.2016-06.io.spdk:cnode1"};
1277 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1278 	const char *psk = "NVMeTLSkey-1:01:VRLbtnN9AQb2WXW3c9+wEf/DRLz0QuLdbYvEhwtdWwNf9LrZ:";
1279 	char *psk_file_path = "/tmp/psk.txt";
1280 	bool found = false;
1281 	FILE *psk_file = NULL;
1282 	mode_t oldmask;
1283 
1284 	thread = spdk_thread_create(NULL, NULL);
1285 	SPDK_CU_ASSERT_FATAL(thread != NULL);
1286 	spdk_set_thread(thread);
1287 
1288 	memset(&opts, 0, sizeof(opts));
1289 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
1290 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
1291 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
1292 	opts.max_io_size = UT_MAX_IO_SIZE;
1293 	opts.io_unit_size = UT_IO_UNIT_SIZE;
1294 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
1295 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
1296 	transport = nvmf_tcp_create(&opts);
1297 
1298 	memset(&subsystem, 0, sizeof(subsystem));
1299 	snprintf(subsystem.subnqn, sizeof(subsystem.subnqn), "%s", subnqn);
1300 
1301 	/* Create a text file containing PSK in interchange format. */
1302 	oldmask = umask(S_IXUSR | S_IRWXG | S_IRWXO);
1303 	psk_file = fopen(psk_file_path, "w");
1304 	CU_ASSERT(psk_file != NULL);
1305 	CU_ASSERT(fprintf(psk_file, "%s", psk) > 0);
1306 	CU_ASSERT(fclose(psk_file) == 0);
1307 	umask(oldmask);
1308 
1309 	struct spdk_json_val psk_json[] = {
1310 		{"", 2, SPDK_JSON_VAL_OBJECT_BEGIN},
1311 		{"psk", 3, SPDK_JSON_VAL_NAME},
1312 		{psk_file_path, strlen(psk_file_path), SPDK_JSON_VAL_STRING},
1313 		{"", 0, SPDK_JSON_VAL_OBJECT_END},
1314 	};
1315 
1316 	nvmf_tcp_subsystem_add_host(transport, &subsystem, hostnqn, psk_json);
1317 
1318 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
1319 	TAILQ_FOREACH(entry, &ttransport->psks, link) {
1320 		if ((strcmp(subnqn, entry->subnqn) == 0) &&
1321 		    (strcmp(hostnqn, entry->hostnqn) == 0)) {
1322 			found = true;
1323 		}
1324 	}
1325 
1326 	CU_ASSERT(found == true);
1327 	found = false;
1328 
1329 	nvmf_tcp_subsystem_remove_host(transport, &subsystem, hostnqn);
1330 
1331 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
1332 	TAILQ_FOREACH(entry, &ttransport->psks, link) {
1333 		if ((strcmp(subnqn, entry->subnqn) == 0) &&
1334 		    (strcmp(hostnqn, entry->hostnqn) == 0)) {
1335 			found = true;
1336 		}
1337 	}
1338 
1339 	CU_ASSERT(found == false);
1340 
1341 	CU_ASSERT(remove(psk_file_path) == 0);
1342 
1343 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
1344 
1345 	spdk_thread_exit(thread);
1346 	while (!spdk_thread_is_exited(thread)) {
1347 		spdk_thread_poll(thread, 0, 0);
1348 	}
1349 	spdk_thread_destroy(thread);
1350 }
1351 
1352 static void
1353 test_nvmf_tcp_tls_generate_psk_id(void)
1354 {
1355 	const char psk_id_reference[] = {"NVMe0R01 nqn.2016-06.io.spdk:host1 nqn.2016-06.io.spdk:cnode1"};
1356 	const char subnqn[] = {"nqn.2016-06.io.spdk:cnode1"};
1357 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1358 	char psk_id[NVMF_PSK_IDENTITY_LEN] = {};
1359 	char too_small_psk_id[5] = {};
1360 
1361 	/* Check if we can generate expected PSK id. */
1362 	CU_ASSERT(nvme_tcp_generate_psk_identity(psk_id, NVMF_PSK_IDENTITY_LEN, hostnqn,
1363 			subnqn, NVME_TCP_CIPHER_AES_128_GCM_SHA256) == 0);
1364 	CU_ASSERT(strcmp(psk_id, psk_id_reference) == 0);
1365 
1366 	/* Test with a buffer that is too small to fit PSK id. */
1367 	CU_ASSERT(nvme_tcp_generate_psk_identity(too_small_psk_id, sizeof(too_small_psk_id), hostnqn,
1368 			subnqn, NVME_TCP_CIPHER_AES_128_GCM_SHA256) != 0);
1369 
1370 	/* Test with unknown cipher suite. */
1371 	CU_ASSERT(nvme_tcp_generate_psk_identity(psk_id, NVMF_PSK_IDENTITY_LEN, hostnqn,
1372 			subnqn, UINT8_MAX) != 0);
1373 }
1374 
1375 static void
1376 test_nvmf_tcp_tls_generate_retained_psk(void)
1377 {
1378 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1379 	const char psk_reference1[] = {"1234567890ABCDEF"};
1380 	const char psk_reference2[] = {"FEDCBA0987654321"};
1381 	uint8_t unhexlified_str1[SPDK_TLS_PSK_MAX_LEN] = {};
1382 	uint8_t unhexlified_str2[SPDK_TLS_PSK_MAX_LEN] = {};
1383 	char *unhexlified1;
1384 	char *unhexlified2;
1385 	uint8_t psk_retained1[SPDK_TLS_PSK_MAX_LEN] = {};
1386 	uint8_t psk_retained2[SPDK_TLS_PSK_MAX_LEN] = {};
1387 	uint8_t too_small_psk_retained[5] = {};
1388 	int psk_retained_len1, psk_retained_len2;
1389 	int retained_size;
1390 
1391 	unhexlified1 = spdk_unhexlify(psk_reference1);
1392 	SPDK_CU_ASSERT_FATAL(unhexlified1 != NULL);
1393 	unhexlified2 = spdk_unhexlify(psk_reference2);
1394 	SPDK_CU_ASSERT_FATAL(unhexlified2 != NULL);
1395 
1396 	memcpy(unhexlified_str1, unhexlified1, strlen(psk_reference1) / 2);
1397 	memcpy(unhexlified_str2, unhexlified2, strlen(psk_reference2) / 2);
1398 	free(unhexlified1);
1399 	free(unhexlified2);
1400 
1401 	/* Make sure that retained PSKs are different with different input PSKs and the same hash. */
1402 	retained_size = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1403 			psk_retained1, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1404 	CU_ASSERT(retained_size > 0);
1405 
1406 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str2, strlen(psk_reference2) / 2, hostnqn,
1407 					       psk_retained2,
1408 					       SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256) > 0);
1409 	CU_ASSERT(memcmp(psk_retained1, psk_retained2, retained_size) != 0);
1410 
1411 	/* Make sure that retained PSKs are different with different hash and the same input PSKs. */
1412 	psk_retained_len1 = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2,
1413 			    hostnqn, psk_retained1, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1414 	CU_ASSERT(psk_retained_len1 > 0);
1415 	psk_retained_len2 = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2,
1416 			    hostnqn, psk_retained2, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA384);
1417 	CU_ASSERT(psk_retained_len2 > 0);
1418 	CU_ASSERT(psk_retained_len1 < psk_retained_len2);
1419 
1420 	/* Make sure that passing unknown value as hash errors out the function. */
1421 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1422 					       psk_retained1, SPDK_TLS_PSK_MAX_LEN, -1) < 0);
1423 
1424 	/* Make sure that passing buffer insufficient in size errors out the function. */
1425 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1426 					       too_small_psk_retained, sizeof(too_small_psk_retained), NVME_TCP_HASH_ALGORITHM_SHA256) < 0);
1427 }
1428 
1429 static void
1430 test_nvmf_tcp_tls_generate_tls_psk(void)
1431 {
1432 	const char psk_id_reference[] = {"NVMe0R01 nqn.2016-06.io.spdk:host1 nqn.2016-06.io.spdk:cnode1"};
1433 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1434 	const char psk_reference[] = {"1234567890ABCDEF"};
1435 	char *unhexlified;
1436 	uint8_t unhexlified_str[SPDK_TLS_PSK_MAX_LEN] = {};
1437 	uint8_t psk_retained[SPDK_TLS_PSK_MAX_LEN] = {};
1438 	uint8_t psk_key1[SPDK_TLS_PSK_MAX_LEN] = {}, psk_key2[SPDK_TLS_PSK_MAX_LEN] = {};
1439 	uint8_t too_small_psk_tls[5] = {};
1440 	int retained_size, tls_size;
1441 
1442 	unhexlified = spdk_unhexlify(psk_reference);
1443 	CU_ASSERT(unhexlified != NULL);
1444 
1445 	memcpy(unhexlified_str, unhexlified, strlen(psk_reference) / 2);
1446 	free(unhexlified);
1447 
1448 	retained_size = nvme_tcp_derive_retained_psk(unhexlified_str, strlen(psk_reference) / 2, hostnqn,
1449 			psk_retained, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1450 	CU_ASSERT(retained_size > 0);
1451 
1452 	/* Make sure that different cipher suites produce different TLS PSKs. */
1453 	tls_size = nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference, psk_key1,
1454 					   SPDK_TLS_PSK_MAX_LEN, NVME_TCP_CIPHER_AES_128_GCM_SHA256);
1455 	CU_ASSERT(tls_size > 0);
1456 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference, psk_key2,
1457 					  SPDK_TLS_PSK_MAX_LEN, NVME_TCP_CIPHER_AES_256_GCM_SHA384) > 0);
1458 	CU_ASSERT(memcmp(psk_key1, psk_key2, tls_size) != 0);
1459 
1460 	/* Make sure that passing unknown value as hash errors out the function. */
1461 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference,
1462 					  psk_key1, SPDK_TLS_PSK_MAX_LEN, UINT8_MAX) < 0);
1463 
1464 	/* Make sure that passing buffer insufficient in size errors out the function. */
1465 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference,
1466 					  too_small_psk_tls, sizeof(too_small_psk_tls),
1467 					  NVME_TCP_CIPHER_AES_128_GCM_SHA256) < 0);
1468 }
1469 
1470 int
1471 main(int argc, char **argv)
1472 {
1473 	CU_pSuite	suite = NULL;
1474 	unsigned int	num_failures;
1475 
1476 	CU_initialize_registry();
1477 
1478 	suite = CU_add_suite("nvmf", NULL, NULL);
1479 
1480 	CU_ADD_TEST(suite, test_nvmf_tcp_create);
1481 	CU_ADD_TEST(suite, test_nvmf_tcp_destroy);
1482 	CU_ADD_TEST(suite, test_nvmf_tcp_poll_group_create);
1483 	CU_ADD_TEST(suite, test_nvmf_tcp_send_c2h_data);
1484 	CU_ADD_TEST(suite, test_nvmf_tcp_h2c_data_hdr_handle);
1485 	CU_ADD_TEST(suite, test_nvmf_tcp_in_capsule_data_handle);
1486 	CU_ADD_TEST(suite, test_nvmf_tcp_qpair_init_mem_resource);
1487 	CU_ADD_TEST(suite, test_nvmf_tcp_send_c2h_term_req);
1488 	CU_ADD_TEST(suite, test_nvmf_tcp_send_capsule_resp_pdu);
1489 	CU_ADD_TEST(suite, test_nvmf_tcp_icreq_handle);
1490 	CU_ADD_TEST(suite, test_nvmf_tcp_check_xfer_type);
1491 	CU_ADD_TEST(suite, test_nvmf_tcp_invalid_sgl);
1492 	CU_ADD_TEST(suite, test_nvmf_tcp_pdu_ch_handle);
1493 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_add_remove_credentials);
1494 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_psk_id);
1495 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_retained_psk);
1496 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_tls_psk);
1497 
1498 	num_failures = spdk_ut_run_tests(argc, argv, NULL);
1499 	CU_cleanup_registry();
1500 	return num_failures;
1501 }
1502