xref: /spdk/test/unit/lib/nvmf/tcp.c/tcp_ut.c (revision 60982c759db49b4f4579f16e3b24df0725ba4b94)
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(spdk_sock_set_priority,
202 	    int,
203 	    (struct spdk_sock *sock, int priority),
204 	    0);
205 
206 DEFINE_STUB_V(nvmf_ns_reservation_request, (void *ctx));
207 
208 DEFINE_STUB_V(spdk_nvme_trid_populate_transport, (struct spdk_nvme_transport_id *trid,
209 		enum spdk_nvme_transport_type trtype));
210 DEFINE_STUB_V(spdk_nvmf_transport_register, (const struct spdk_nvmf_transport_ops *ops));
211 
212 DEFINE_STUB_V(spdk_nvmf_tgt_new_qpair, (struct spdk_nvmf_tgt *tgt, struct spdk_nvmf_qpair *qpair));
213 
214 DEFINE_STUB_V(nvmf_transport_qpair_abort_request,
215 	      (struct spdk_nvmf_qpair *qpair, struct spdk_nvmf_request *req));
216 
217 DEFINE_STUB_V(spdk_nvme_print_command, (uint16_t qid, struct spdk_nvme_cmd *cmd));
218 DEFINE_STUB_V(spdk_nvme_print_completion, (uint16_t qid, struct spdk_nvme_cpl *cpl));
219 
220 DEFINE_STUB(nvmf_transport_req_free,
221 	    int,
222 	    (struct spdk_nvmf_request *req),
223 	    0);
224 
225 DEFINE_STUB(accel_channel_create, int, (void *io_device, void *ctx_buf), 0);
226 DEFINE_STUB_V(accel_channel_destroy, (void *io_device, void *ctx_buf));
227 DEFINE_STUB(spdk_bdev_reset, int, (struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
228 				   spdk_bdev_io_completion_cb cb, void *cb_arg), 0);
229 DEFINE_STUB_V(spdk_bdev_free_io, (struct spdk_bdev_io *bdev_io));
230 
231 DEFINE_STUB(spdk_bdev_get_max_active_zones, uint32_t,
232 	    (const struct spdk_bdev *bdev), 0);
233 DEFINE_STUB(spdk_bdev_get_max_open_zones, uint32_t,
234 	    (const struct spdk_bdev *bdev), 0);
235 DEFINE_STUB(spdk_bdev_is_zoned, bool, (const struct spdk_bdev *bdev), false);
236 DEFINE_STUB(spdk_bdev_get_zone_size, uint64_t, (const struct spdk_bdev *bdev), 0);
237 
238 DEFINE_STUB(spdk_nvme_ns_get_format_index, uint32_t,
239 	    (const struct spdk_nvme_ns_data *nsdata), 0);
240 
241 DEFINE_STUB(spdk_sock_get_default_impl_name, const char *, (void), "");
242 DEFINE_STUB(spdk_sock_get_impl_name, const char *, (struct spdk_sock *sock), "");
243 
244 struct spdk_io_channel *
245 spdk_accel_get_io_channel(void)
246 {
247 	return spdk_get_io_channel(g_accel_p);
248 }
249 
250 DEFINE_STUB(spdk_accel_submit_crc32cv,
251 	    int,
252 	    (struct spdk_io_channel *ch, uint32_t *dst, struct iovec *iovs,
253 	     uint32_t iovcnt, uint32_t seed, spdk_accel_completion_cb cb_fn, void *cb_arg),
254 	    0);
255 
256 DEFINE_STUB(spdk_nvmf_bdev_ctrlr_nvme_passthru_admin,
257 	    int,
258 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
259 	     struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
260 	     spdk_nvmf_nvme_passthru_cmd_cb cb_fn),
261 	    0)
262 
263 struct spdk_bdev {
264 	int ut_mock;
265 	uint64_t blockcnt;
266 };
267 
268 int
269 spdk_nvme_transport_id_compare(const struct spdk_nvme_transport_id *trid1,
270 			       const struct spdk_nvme_transport_id *trid2)
271 {
272 	return 0;
273 }
274 
275 const char *
276 spdk_nvme_transport_id_trtype_str(enum spdk_nvme_transport_type trtype)
277 {
278 	switch (trtype) {
279 	case SPDK_NVME_TRANSPORT_PCIE:
280 		return "PCIe";
281 	case SPDK_NVME_TRANSPORT_RDMA:
282 		return "RDMA";
283 	case SPDK_NVME_TRANSPORT_FC:
284 		return "FC";
285 	default:
286 		return NULL;
287 	}
288 }
289 
290 int
291 spdk_nvme_transport_id_populate_trstring(struct spdk_nvme_transport_id *trid, const char *trstring)
292 {
293 	int len, i;
294 
295 	if (trstring == NULL) {
296 		return -EINVAL;
297 	}
298 
299 	len = strnlen(trstring, SPDK_NVMF_TRSTRING_MAX_LEN);
300 	if (len == SPDK_NVMF_TRSTRING_MAX_LEN) {
301 		return -EINVAL;
302 	}
303 
304 	/* cast official trstring to uppercase version of input. */
305 	for (i = 0; i < len; i++) {
306 		trid->trstring[i] = toupper(trstring[i]);
307 	}
308 	return 0;
309 }
310 
311 int
312 spdk_nvmf_qpair_disconnect(struct spdk_nvmf_qpair *qpair, nvmf_qpair_disconnect_cb cb_fn, void *ctx)
313 {
314 	return 0;
315 }
316 
317 int
318 spdk_nvmf_request_get_buffers(struct spdk_nvmf_request *req,
319 			      struct spdk_nvmf_transport_poll_group *group,
320 			      struct spdk_nvmf_transport *transport,
321 			      uint32_t length)
322 {
323 	/* length more than 1 io unit length will fail. */
324 	if (length >= transport->opts.io_unit_size) {
325 		return -EINVAL;
326 	}
327 
328 	req->iovcnt = 1;
329 	req->iov[0].iov_base = (void *)0xDEADBEEF;
330 
331 	return 0;
332 }
333 
334 
335 void
336 nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
337 			    bool dif_insert_or_strip)
338 {
339 	uint64_t num_blocks;
340 
341 	SPDK_CU_ASSERT_FATAL(ns->bdev != NULL);
342 	num_blocks = ns->bdev->blockcnt;
343 	nsdata->nsze = num_blocks;
344 	nsdata->ncap = num_blocks;
345 	nsdata->nuse = num_blocks;
346 	nsdata->nlbaf = 0;
347 	nsdata->flbas.format = 0;
348 	nsdata->flbas.msb_format = 0;
349 	nsdata->lbaf[0].lbads = spdk_u32log2(512);
350 }
351 
352 const char *
353 spdk_nvmf_subsystem_get_sn(const struct spdk_nvmf_subsystem *subsystem)
354 {
355 	return subsystem->sn;
356 }
357 
358 const char *
359 spdk_nvmf_subsystem_get_mn(const struct spdk_nvmf_subsystem *subsystem)
360 {
361 	return subsystem->mn;
362 }
363 
364 static void
365 test_nvmf_tcp_create(void)
366 {
367 	struct spdk_thread *thread;
368 	struct spdk_nvmf_transport *transport;
369 	struct spdk_nvmf_tcp_transport *ttransport;
370 	struct spdk_nvmf_transport_opts opts;
371 
372 	thread = spdk_thread_create(NULL, NULL);
373 	SPDK_CU_ASSERT_FATAL(thread != NULL);
374 	spdk_set_thread(thread);
375 
376 	/* case 1 */
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_IO_UNIT_SIZE;
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_IO_UNIT_SIZE);
395 	/* destroy transport */
396 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
397 
398 	/* case 2 */
399 	memset(&opts, 0, sizeof(opts));
400 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
401 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
402 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
403 	opts.max_io_size = UT_MAX_IO_SIZE;
404 	opts.io_unit_size = UT_MAX_IO_SIZE + 1;
405 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
406 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
407 	/* expect success */
408 	transport = nvmf_tcp_create(&opts);
409 	CU_ASSERT_PTR_NOT_NULL(transport);
410 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
411 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
412 	transport->opts = opts;
413 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
414 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
415 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
416 	CU_ASSERT(transport->opts.io_unit_size == UT_MAX_IO_SIZE);
417 	/* destroy transport */
418 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
419 
420 	/* case 3 */
421 	memset(&opts, 0, sizeof(opts));
422 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
423 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
424 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
425 	opts.max_io_size = UT_MAX_IO_SIZE;
426 	opts.io_unit_size = 16;
427 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
428 	/* expect fails */
429 	transport = nvmf_tcp_create(&opts);
430 	CU_ASSERT_PTR_NULL(transport);
431 
432 	spdk_thread_exit(thread);
433 	while (!spdk_thread_is_exited(thread)) {
434 		spdk_thread_poll(thread, 0, 0);
435 	}
436 	spdk_thread_destroy(thread);
437 }
438 
439 static void
440 test_nvmf_tcp_destroy(void)
441 {
442 	struct spdk_thread *thread;
443 	struct spdk_nvmf_transport *transport;
444 	struct spdk_nvmf_transport_opts opts;
445 
446 	thread = spdk_thread_create(NULL, NULL);
447 	SPDK_CU_ASSERT_FATAL(thread != NULL);
448 	spdk_set_thread(thread);
449 
450 	/* case 1 */
451 	memset(&opts, 0, sizeof(opts));
452 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
453 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
454 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
455 	opts.max_io_size = UT_MAX_IO_SIZE;
456 	opts.io_unit_size = UT_IO_UNIT_SIZE;
457 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
458 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
459 	transport = nvmf_tcp_create(&opts);
460 	CU_ASSERT_PTR_NOT_NULL(transport);
461 	transport->opts = opts;
462 	/* destroy transport */
463 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
464 
465 	spdk_thread_exit(thread);
466 	while (!spdk_thread_is_exited(thread)) {
467 		spdk_thread_poll(thread, 0, 0);
468 	}
469 	spdk_thread_destroy(thread);
470 }
471 
472 static void
473 init_accel(void)
474 {
475 	spdk_io_device_register(g_accel_p, accel_channel_create, accel_channel_destroy,
476 				sizeof(int), "accel_p");
477 }
478 
479 static void
480 fini_accel(void)
481 {
482 	spdk_io_device_unregister(g_accel_p, NULL);
483 }
484 
485 static void
486 test_nvmf_tcp_poll_group_create(void)
487 {
488 	struct spdk_nvmf_transport *transport;
489 	struct spdk_nvmf_transport_poll_group *group;
490 	struct spdk_nvmf_tcp_poll_group *tgroup;
491 	struct spdk_thread *thread;
492 	struct spdk_nvmf_transport_opts opts;
493 	struct spdk_sock_group grp = {};
494 
495 	thread = spdk_thread_create(NULL, NULL);
496 	SPDK_CU_ASSERT_FATAL(thread != NULL);
497 	spdk_set_thread(thread);
498 
499 	init_accel();
500 
501 	memset(&opts, 0, sizeof(opts));
502 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
503 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
504 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
505 	opts.max_io_size = UT_MAX_IO_SIZE;
506 	opts.io_unit_size = UT_IO_UNIT_SIZE;
507 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
508 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
509 	transport = nvmf_tcp_create(&opts);
510 	CU_ASSERT_PTR_NOT_NULL(transport);
511 	transport->opts = opts;
512 	MOCK_SET(spdk_sock_group_create, &grp);
513 	group = nvmf_tcp_poll_group_create(transport, NULL);
514 	MOCK_CLEAR_P(spdk_sock_group_create);
515 	SPDK_CU_ASSERT_FATAL(group);
516 	if (opts.in_capsule_data_size < SPDK_NVME_TCP_IN_CAPSULE_DATA_MAX_SIZE) {
517 		tgroup = SPDK_CONTAINEROF(group, struct spdk_nvmf_tcp_poll_group, group);
518 		SPDK_CU_ASSERT_FATAL(tgroup->control_msg_list);
519 	}
520 	group->transport = transport;
521 	nvmf_tcp_poll_group_destroy(group);
522 	nvmf_tcp_destroy(transport, NULL, NULL);
523 
524 	fini_accel();
525 	spdk_thread_exit(thread);
526 	while (!spdk_thread_is_exited(thread)) {
527 		spdk_thread_poll(thread, 0, 0);
528 	}
529 	spdk_thread_destroy(thread);
530 }
531 
532 static void
533 test_nvmf_tcp_send_c2h_data(void)
534 {
535 	struct spdk_thread *thread;
536 	struct spdk_nvmf_tcp_transport ttransport = {};
537 	struct spdk_nvmf_tcp_qpair tqpair = {};
538 	struct spdk_nvmf_tcp_req tcp_req = {};
539 	struct nvme_tcp_pdu pdu = {};
540 	struct spdk_nvme_tcp_c2h_data_hdr *c2h_data;
541 
542 	ttransport.tcp_opts.c2h_success = true;
543 	thread = spdk_thread_create(NULL, NULL);
544 	SPDK_CU_ASSERT_FATAL(thread != NULL);
545 	spdk_set_thread(thread);
546 
547 	tcp_req.pdu = &pdu;
548 	tcp_req.req.length = 300;
549 	tcp_req.req.qpair = &tqpair.qpair;
550 
551 	tqpair.qpair.transport = &ttransport.transport;
552 
553 	/* Set qpair state to make unrelated operations NOP */
554 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
555 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
556 
557 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
558 
559 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
560 	tcp_req.req.iov[0].iov_len = 101;
561 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
562 	tcp_req.req.iov[1].iov_len = 100;
563 	tcp_req.req.iov[2].iov_base = (void *)0xC0FFEE;
564 	tcp_req.req.iov[2].iov_len = 99;
565 	tcp_req.req.iovcnt = 3;
566 	tcp_req.req.length = 300;
567 
568 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
569 
570 	c2h_data = &pdu.hdr.c2h_data;
571 	CU_ASSERT(c2h_data->datao == 0);
572 	CU_ASSERT(c2h_data->datal = 300);
573 	CU_ASSERT(c2h_data->common.plen == sizeof(*c2h_data) + 300);
574 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
575 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS);
576 
577 	CU_ASSERT(pdu.data_iovcnt == 3);
578 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
579 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
580 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
581 	CU_ASSERT(pdu.data_iov[1].iov_len == 100);
582 	CU_ASSERT((uint64_t)pdu.data_iov[2].iov_base == 0xC0FFEE);
583 	CU_ASSERT(pdu.data_iov[2].iov_len == 99);
584 
585 	tcp_req.pdu_in_use = false;
586 	tcp_req.rsp.cdw0 = 1;
587 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
588 
589 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
590 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
591 
592 	ttransport.tcp_opts.c2h_success = false;
593 	tcp_req.pdu_in_use = false;
594 	tcp_req.rsp.cdw0 = 0;
595 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
596 
597 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
598 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
599 
600 	tcp_req.pdu_in_use = false;
601 	tcp_req.rsp.cdw0 = 1;
602 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
603 
604 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
605 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
606 
607 	spdk_thread_exit(thread);
608 	while (!spdk_thread_is_exited(thread)) {
609 		spdk_thread_poll(thread, 0, 0);
610 	}
611 	spdk_thread_destroy(thread);
612 }
613 
614 #define NVMF_TCP_PDU_MAX_H2C_DATA_SIZE (128 * 1024)
615 
616 static void
617 test_nvmf_tcp_h2c_data_hdr_handle(void)
618 {
619 	struct spdk_nvmf_tcp_transport ttransport = {};
620 	struct spdk_nvmf_tcp_qpair tqpair = {};
621 	struct nvme_tcp_pdu pdu = {};
622 	struct spdk_nvmf_tcp_req tcp_req = {};
623 	struct spdk_nvme_tcp_h2c_data_hdr *h2c_data;
624 
625 	/* Set qpair state to make unrelated operations NOP */
626 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
627 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
628 	tqpair.resource_count = 1;
629 	tqpair.reqs = &tcp_req;
630 
631 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
632 	tcp_req.req.iov[0].iov_len = 101;
633 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
634 	tcp_req.req.iov[1].iov_len = 99;
635 	tcp_req.req.iovcnt = 2;
636 	tcp_req.req.length = 200;
637 	tcp_req.state = TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER;
638 
639 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
640 	tcp_req.req.cmd->nvme_cmd.cid = 1;
641 	tcp_req.ttag = 1;
642 
643 	h2c_data = &pdu.hdr.h2c_data;
644 	h2c_data->cccid = 1;
645 	h2c_data->ttag = 1;
646 	h2c_data->datao = 0;
647 	h2c_data->datal = 200;
648 
649 	nvmf_tcp_h2c_data_hdr_handle(&ttransport, &tqpair, &pdu);
650 
651 	CU_ASSERT(pdu.data_iovcnt == 2);
652 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
653 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
654 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
655 	CU_ASSERT(pdu.data_iov[1].iov_len == 99);
656 }
657 
658 
659 static void
660 test_nvmf_tcp_in_capsule_data_handle(void)
661 {
662 	struct spdk_nvmf_tcp_transport ttransport = {};
663 	struct spdk_nvmf_tcp_qpair tqpair = {};
664 	struct nvme_tcp_pdu *pdu, pdu_in_progress = {};
665 	union nvmf_c2h_msg rsp0 = {};
666 	union nvmf_c2h_msg rsp = {};
667 
668 	struct spdk_nvmf_request *req_temp = NULL;
669 	struct spdk_nvmf_tcp_req tcp_req2 = {};
670 	struct spdk_nvmf_tcp_req tcp_req1 = {};
671 
672 	struct spdk_nvme_tcp_cmd *capsule_data;
673 	struct spdk_nvmf_capsule_cmd *nvmf_capsule_data;
674 	struct spdk_nvme_sgl_descriptor *sgl;
675 
676 	struct spdk_nvmf_transport_poll_group *group;
677 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
678 	struct spdk_sock_group grp = {};
679 
680 	tqpair.pdu_in_progress = &pdu_in_progress;
681 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
682 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
683 
684 	tcp_group.sock_group = &grp;
685 	TAILQ_INIT(&tcp_group.qpairs);
686 	group = &tcp_group.group;
687 	group->transport = &ttransport.transport;
688 	STAILQ_INIT(&group->pending_buf_queue);
689 	tqpair.group = &tcp_group;
690 
691 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
692 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
693 
694 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_free_queue, &tcp_req2, state_link);
695 	tqpair.state_cntr[TCP_REQUEST_STATE_FREE]++;
696 	tqpair.qpair.transport = &ttransport.transport;
697 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
698 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
699 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
700 
701 	/* init a null tcp_req into tqpair TCP_REQUEST_STATE_FREE queue */
702 	tcp_req2.req.qpair = &tqpair.qpair;
703 	tcp_req2.req.cmd = (union nvmf_h2c_msg *)&tcp_req2.cmd;
704 	tcp_req2.req.rsp = &rsp;
705 
706 	/* init tcp_req1 */
707 	tcp_req1.req.qpair = &tqpair.qpair;
708 	tcp_req1.req.cmd = (union nvmf_h2c_msg *)&tcp_req1.cmd;
709 	tcp_req1.req.rsp = &rsp0;
710 	tcp_req1.state = TCP_REQUEST_STATE_NEW;
711 
712 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req1, state_link);
713 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
714 
715 	/* init pdu, make pdu need sgl buff */
716 	pdu = tqpair.pdu_in_progress;
717 	capsule_data = &pdu->hdr.capsule_cmd;
718 	nvmf_capsule_data = (struct spdk_nvmf_capsule_cmd *)&pdu->hdr.capsule_cmd.ccsqe;
719 	sgl = &capsule_data->ccsqe.dptr.sgl1;
720 
721 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
722 	capsule_data->common.hlen = sizeof(*capsule_data);
723 	capsule_data->common.plen = 1096;
724 	capsule_data->ccsqe.opc = SPDK_NVME_OPC_FABRIC;
725 
726 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
727 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
728 	sgl->unkeyed.length = UT_IO_UNIT_SIZE;
729 
730 	nvmf_capsule_data->fctype = SPDK_NVMF_FABRIC_COMMAND_CONNECT;
731 
732 	/* insert tcp_req1 to pending_buf_queue, And this req takes precedence over the next req. */
733 	nvmf_tcp_req_process(&ttransport, &tcp_req1);
734 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
735 
736 	sgl->unkeyed.length = UT_IO_UNIT_SIZE - 1;
737 
738 	/* process tqpair capsule req. but we still remain req in pending_buff. */
739 	nvmf_tcp_capsule_cmd_hdr_handle(&ttransport, &tqpair, tqpair.pdu_in_progress);
740 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PAYLOAD);
741 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
742 	STAILQ_FOREACH(req_temp, &group->pending_buf_queue, buf_link) {
743 		if (req_temp == &tcp_req2.req) {
744 			break;
745 		}
746 	}
747 	CU_ASSERT(req_temp == NULL);
748 	CU_ASSERT(tqpair.pdu_in_progress->req == (void *)&tcp_req2);
749 }
750 
751 static void
752 test_nvmf_tcp_qpair_init_mem_resource(void)
753 {
754 	int rc;
755 	struct spdk_nvmf_tcp_qpair *tqpair = NULL;
756 	struct spdk_nvmf_transport transport = {};
757 	struct spdk_thread *thread;
758 
759 	thread = spdk_thread_create(NULL, NULL);
760 	SPDK_CU_ASSERT_FATAL(thread != NULL);
761 	spdk_set_thread(thread);
762 
763 	tqpair = calloc(1, sizeof(*tqpair));
764 	tqpair->qpair.transport = &transport;
765 
766 	nvmf_tcp_opts_init(&transport.opts);
767 	CU_ASSERT(transport.opts.max_queue_depth == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
768 	CU_ASSERT(transport.opts.max_qpairs_per_ctrlr == SPDK_NVMF_TCP_DEFAULT_MAX_QPAIRS_PER_CTRLR);
769 	CU_ASSERT(transport.opts.in_capsule_data_size == SPDK_NVMF_TCP_DEFAULT_IN_CAPSULE_DATA_SIZE);
770 	CU_ASSERT(transport.opts.max_io_size ==	SPDK_NVMF_TCP_DEFAULT_MAX_IO_SIZE);
771 	CU_ASSERT(transport.opts.io_unit_size == SPDK_NVMF_TCP_DEFAULT_IO_UNIT_SIZE);
772 	CU_ASSERT(transport.opts.max_aq_depth == SPDK_NVMF_TCP_DEFAULT_MAX_ADMIN_QUEUE_DEPTH);
773 	CU_ASSERT(transport.opts.num_shared_buffers == SPDK_NVMF_TCP_DEFAULT_NUM_SHARED_BUFFERS);
774 	CU_ASSERT(transport.opts.buf_cache_size == SPDK_NVMF_TCP_DEFAULT_BUFFER_CACHE_SIZE);
775 	CU_ASSERT(transport.opts.dif_insert_or_strip ==	SPDK_NVMF_TCP_DEFAULT_DIF_INSERT_OR_STRIP);
776 	CU_ASSERT(transport.opts.abort_timeout_sec == SPDK_NVMF_TCP_DEFAULT_ABORT_TIMEOUT_SEC);
777 	CU_ASSERT(transport.opts.transport_specific == NULL);
778 
779 	rc = nvmf_tcp_qpair_init(&tqpair->qpair);
780 	CU_ASSERT(rc == 0);
781 	CU_ASSERT(tqpair->host_hdgst_enable == true);
782 	CU_ASSERT(tqpair->host_ddgst_enable == true);
783 
784 	rc = nvmf_tcp_qpair_init_mem_resource(tqpair);
785 	CU_ASSERT(rc == 0);
786 	CU_ASSERT(tqpair->resource_count == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
787 	CU_ASSERT(tqpair->reqs != NULL);
788 	CU_ASSERT(tqpair->bufs != NULL);
789 	CU_ASSERT(tqpair->pdus != NULL);
790 	/* Just to check the first and last entry */
791 	CU_ASSERT(tqpair->reqs[0].ttag == 1);
792 	CU_ASSERT(tqpair->reqs[0].req.qpair == &tqpair->qpair);
793 	CU_ASSERT(tqpair->reqs[0].pdu == &tqpair->pdus[0]);
794 	CU_ASSERT(tqpair->reqs[0].pdu->qpair == &tqpair->qpair);
795 	CU_ASSERT(tqpair->reqs[0].buf == (void *)((uintptr_t)tqpair->bufs));
796 	CU_ASSERT(tqpair->reqs[0].req.rsp == (void *)&tqpair->reqs[0].rsp);
797 	CU_ASSERT(tqpair->reqs[0].req.cmd == (void *)&tqpair->reqs[0].cmd);
798 	CU_ASSERT(tqpair->reqs[0].state == TCP_REQUEST_STATE_FREE);
799 	CU_ASSERT(tqpair->reqs[127].ttag == 128);
800 	CU_ASSERT(tqpair->reqs[127].req.qpair == &tqpair->qpair);
801 	CU_ASSERT(tqpair->reqs[127].pdu == &tqpair->pdus[127]);
802 	CU_ASSERT(tqpair->reqs[127].pdu->qpair == &tqpair->qpair);
803 	CU_ASSERT(tqpair->reqs[127].buf == (void *)((uintptr_t)tqpair->bufs) + 127 * 4096);
804 	CU_ASSERT(tqpair->reqs[127].req.rsp == (void *)&tqpair->reqs[127].rsp);
805 	CU_ASSERT(tqpair->reqs[127].req.cmd == (void *)&tqpair->reqs[127].cmd);
806 	CU_ASSERT(tqpair->reqs[127].state == TCP_REQUEST_STATE_FREE);
807 	CU_ASSERT(tqpair->state_cntr[TCP_REQUEST_STATE_FREE] == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
808 	CU_ASSERT(tqpair->mgmt_pdu == &tqpair->pdus[2 * SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH]);
809 	CU_ASSERT(tqpair->mgmt_pdu->qpair == tqpair);
810 	CU_ASSERT(tqpair->pdu_in_progress ==
811 		  &tqpair->pdus[2 * SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH - 1]);
812 	CU_ASSERT(tqpair->recv_buf_size == (4096 + sizeof(struct spdk_nvme_tcp_cmd) + 2 *
813 					    SPDK_NVME_TCP_DIGEST_LEN) * SPDK_NVMF_TCP_RECV_BUF_SIZE_FACTOR);
814 
815 	/* Free all of tqpair resource */
816 	nvmf_tcp_qpair_destroy(tqpair);
817 
818 	spdk_thread_exit(thread);
819 	while (!spdk_thread_is_exited(thread)) {
820 		spdk_thread_poll(thread, 0, 0);
821 	}
822 	spdk_thread_destroy(thread);
823 }
824 
825 static void
826 test_nvmf_tcp_send_c2h_term_req(void)
827 {
828 	struct spdk_nvmf_tcp_qpair tqpair = {};
829 	struct nvme_tcp_pdu pdu = {}, mgmt_pdu = {}, pdu_in_progress = {};
830 	enum spdk_nvme_tcp_term_req_fes fes = SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD;
831 	uint32_t error_offset = 1;
832 
833 	mgmt_pdu.qpair = &tqpair;
834 	tqpair.mgmt_pdu = &mgmt_pdu;
835 	tqpair.pdu_in_progress = &pdu_in_progress;
836 	tqpair.tcp_pdu_working_count = 1;
837 
838 	/* case1: hlen < SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE, Expect: copy_len == hlen */
839 	pdu.hdr.common.hlen = 64;
840 	nvmf_tcp_send_c2h_term_req(&tqpair, &pdu, fes, error_offset);
841 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
842 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
843 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
844 		  pdu.hdr.common.hlen);
845 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
846 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fes == SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD);
847 
848 	/* case2: hlen > SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE, Expect: copy_len == SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE */
849 	pdu.hdr.common.hlen = 255;
850 	nvmf_tcp_send_c2h_term_req(&tqpair, &pdu, fes, error_offset);
851 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
852 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
853 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == (unsigned)
854 		  tqpair.mgmt_pdu->hdr.term_req.common.hlen + SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
855 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
856 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fes == SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD);
857 }
858 
859 static void
860 test_nvmf_tcp_send_capsule_resp_pdu(void)
861 {
862 	struct spdk_nvmf_tcp_req tcp_req = {};
863 	struct spdk_nvmf_tcp_qpair tqpair = {};
864 	struct nvme_tcp_pdu pdu = {};
865 
866 	tcp_req.pdu_in_use = false;
867 	tcp_req.req.qpair = &tqpair.qpair;
868 	tcp_req.pdu = &pdu;
869 	tcp_req.req.rsp = (union nvmf_c2h_msg *)&tcp_req.rsp;
870 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
871 	tqpair.host_hdgst_enable = true;
872 
873 	nvmf_tcp_send_capsule_resp_pdu(&tcp_req, &tqpair);
874 	CU_ASSERT(pdu.hdr.capsule_resp.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP);
875 	CU_ASSERT(pdu.hdr.capsule_resp.common.plen == sizeof(struct spdk_nvme_tcp_rsp) +
876 		  SPDK_NVME_TCP_DIGEST_LEN);
877 	CU_ASSERT(pdu.hdr.capsule_resp.common.hlen == sizeof(struct spdk_nvme_tcp_rsp));
878 	CU_ASSERT(!memcmp(&pdu.hdr.capsule_resp.rccqe, &tcp_req.req.rsp->nvme_cpl,
879 			  sizeof(struct spdk_nvme_cpl)));
880 	CU_ASSERT(pdu.hdr.capsule_resp.common.flags & SPDK_NVME_TCP_CH_FLAGS_HDGSTF);
881 	CU_ASSERT(pdu.cb_fn == nvmf_tcp_request_free);
882 	CU_ASSERT(pdu.cb_arg == &tcp_req);
883 	CU_ASSERT(pdu.iov[0].iov_base == &pdu.hdr.raw);
884 	CU_ASSERT(pdu.iov[0].iov_len == sizeof(struct spdk_nvme_tcp_rsp) + SPDK_NVME_TCP_DIGEST_LEN);
885 
886 	/* hdgst disable */
887 	tqpair.host_hdgst_enable = false;
888 	tcp_req.pdu_in_use = false;
889 	memset(&pdu, 0, sizeof(pdu));
890 
891 	nvmf_tcp_send_capsule_resp_pdu(&tcp_req, &tqpair);
892 	CU_ASSERT(pdu.hdr.capsule_resp.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP);
893 	CU_ASSERT(pdu.hdr.capsule_resp.common.plen == sizeof(struct spdk_nvme_tcp_rsp));
894 	CU_ASSERT(pdu.hdr.capsule_resp.common.hlen == sizeof(struct spdk_nvme_tcp_rsp));
895 	CU_ASSERT(!memcmp(&pdu.hdr.capsule_resp.rccqe, &tcp_req.req.rsp->nvme_cpl,
896 			  sizeof(struct spdk_nvme_cpl)));
897 	CU_ASSERT(!(pdu.hdr.capsule_resp.common.flags & SPDK_NVME_TCP_CH_FLAGS_HDGSTF));
898 	CU_ASSERT(pdu.cb_fn == nvmf_tcp_request_free);
899 	CU_ASSERT(pdu.cb_arg == &tcp_req);
900 	CU_ASSERT(pdu.iov[0].iov_base == &pdu.hdr.raw);
901 	CU_ASSERT(pdu.iov[0].iov_len == sizeof(struct spdk_nvme_tcp_rsp));
902 }
903 
904 static void
905 test_nvmf_tcp_icreq_handle(void)
906 {
907 	struct spdk_nvmf_tcp_transport ttransport = {};
908 	struct spdk_nvmf_tcp_qpair tqpair = {};
909 	struct nvme_tcp_pdu pdu = {};
910 	struct nvme_tcp_pdu mgmt_pdu = {};
911 	struct nvme_tcp_pdu pdu_in_progress = {};
912 	struct spdk_nvme_tcp_ic_resp *ic_resp;
913 
914 	mgmt_pdu.qpair = &tqpair;
915 	tqpair.mgmt_pdu = &mgmt_pdu;
916 	tqpair.pdu_in_progress = &pdu_in_progress;
917 	tqpair.tcp_pdu_working_count = 1;
918 
919 	/* case 1: Expected ICReq PFV 0 and got are different. */
920 	pdu.hdr.ic_req.pfv = 1;
921 
922 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
923 
924 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
925 
926 	/* case 2: Expected ICReq HPDA in range 0-31 and got are different. */
927 	pdu.hdr.ic_req.hpda = SPDK_NVME_TCP_HPDA_MAX + 1;
928 
929 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
930 
931 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
932 
933 	/* case 3: Expect: PASS.  */
934 	ttransport.transport.opts.max_io_size = 32;
935 	pdu.hdr.ic_req.pfv = 0;
936 	tqpair.host_hdgst_enable = false;
937 	tqpair.host_ddgst_enable = false;
938 	tqpair.recv_buf_size = 64;
939 	pdu.hdr.ic_req.hpda = 16;
940 
941 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
942 
943 	ic_resp = &tqpair.mgmt_pdu->hdr.ic_resp;
944 	CU_ASSERT(tqpair.recv_buf_size == MIN_SOCK_PIPE_SIZE);
945 	CU_ASSERT(tqpair.cpda == pdu.hdr.ic_req.hpda);
946 	CU_ASSERT(ic_resp->common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_IC_RESP);
947 	CU_ASSERT(ic_resp->common.hlen == sizeof(struct spdk_nvme_tcp_ic_resp));
948 	CU_ASSERT(ic_resp->common.plen ==  sizeof(struct spdk_nvme_tcp_ic_resp));
949 	CU_ASSERT(ic_resp->pfv == 0);
950 	CU_ASSERT(ic_resp->cpda == tqpair.cpda);
951 	CU_ASSERT(ic_resp->maxh2cdata == ttransport.transport.opts.max_io_size);
952 	CU_ASSERT(ic_resp->dgst.bits.hdgst_enable == 0);
953 	CU_ASSERT(ic_resp->dgst.bits.ddgst_enable == 0);
954 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_READY);
955 }
956 
957 static void
958 test_nvmf_tcp_check_xfer_type(void)
959 {
960 	const uint16_t cid = 0xAA;
961 	struct spdk_nvmf_tcp_transport ttransport = {};
962 	struct spdk_nvmf_tcp_qpair tqpair = {};
963 	struct nvme_tcp_pdu pdu_in_progress = {};
964 	union nvmf_c2h_msg rsp0 = {};
965 
966 	struct spdk_nvmf_tcp_req tcp_req = {};
967 	struct nvme_tcp_pdu rsp_pdu = {};
968 
969 	struct spdk_nvme_tcp_cmd *capsule_data;
970 	struct spdk_nvme_sgl_descriptor *sgl;
971 
972 	struct spdk_nvmf_transport_poll_group *group;
973 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
974 	struct spdk_sock_group grp = {};
975 
976 	tqpair.pdu_in_progress = &pdu_in_progress;
977 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
978 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
979 
980 	tcp_group.sock_group = &grp;
981 	TAILQ_INIT(&tcp_group.qpairs);
982 	group = &tcp_group.group;
983 	group->transport = &ttransport.transport;
984 	STAILQ_INIT(&group->pending_buf_queue);
985 	tqpair.group = &tcp_group;
986 
987 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
988 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
989 
990 	tqpair.qpair.transport = &ttransport.transport;
991 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
992 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
993 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
994 
995 	/* init tcp_req */
996 	tcp_req.req.qpair = &tqpair.qpair;
997 	tcp_req.pdu = &rsp_pdu;
998 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
999 	tcp_req.req.rsp = &rsp0;
1000 	tcp_req.state = TCP_REQUEST_STATE_NEW;
1001 
1002 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req, state_link);
1003 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
1004 
1005 	/* init pdu, make pdu need sgl buff */
1006 	capsule_data = &tqpair.pdu_in_progress->hdr.capsule_cmd;
1007 	sgl = &capsule_data->ccsqe.dptr.sgl1;
1008 
1009 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1010 	capsule_data->common.hlen = sizeof(*capsule_data);
1011 	capsule_data->common.plen = 1096;
1012 	capsule_data->ccsqe.opc = 0x10 | SPDK_NVME_DATA_BIDIRECTIONAL;
1013 	/* Need to set to a non zero valid to check it gets copied to the response */
1014 	capsule_data->ccsqe.cid = cid;
1015 
1016 	/* Set up SGL to ensure nvmf_tcp_req_parse_sgl returns an error */
1017 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
1018 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
1019 	sgl->unkeyed.length = UT_IO_UNIT_SIZE;
1020 
1021 	/* Process a command and ensure that it fails and the request is set up to return an error */
1022 	nvmf_tcp_req_process(&ttransport, &tcp_req);
1023 	CU_ASSERT(STAILQ_EMPTY(&group->pending_buf_queue));
1024 	CU_ASSERT(tcp_req.state == TCP_REQUEST_STATE_TRANSFERRING_CONTROLLER_TO_HOST);
1025 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_READY);
1026 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.cid == cid);
1027 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.status.sct == SPDK_NVME_SCT_GENERIC);
1028 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.status.sc == SPDK_NVME_SC_INVALID_OPCODE);
1029 }
1030 
1031 static void
1032 test_nvmf_tcp_invalid_sgl(void)
1033 {
1034 	const uint16_t cid = 0xAABB;
1035 	struct spdk_nvmf_tcp_transport ttransport = {};
1036 	struct spdk_nvmf_tcp_qpair tqpair = {};
1037 	struct nvme_tcp_pdu pdu_in_progress = {};
1038 	union nvmf_c2h_msg rsp0 = {};
1039 
1040 	struct spdk_nvmf_tcp_req tcp_req = {};
1041 	struct nvme_tcp_pdu rsp_pdu = {};
1042 	struct nvme_tcp_pdu mgmt_pdu = {};
1043 
1044 	struct spdk_nvme_tcp_cmd *capsule_data;
1045 	struct spdk_nvme_sgl_descriptor *sgl;
1046 
1047 	struct spdk_nvmf_transport_poll_group *group;
1048 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
1049 	struct spdk_sock_group grp = {};
1050 
1051 	tqpair.pdu_in_progress = &pdu_in_progress;
1052 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
1053 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
1054 
1055 	tcp_group.sock_group = &grp;
1056 	TAILQ_INIT(&tcp_group.qpairs);
1057 	group = &tcp_group.group;
1058 	group->transport = &ttransport.transport;
1059 	STAILQ_INIT(&group->pending_buf_queue);
1060 	tqpair.group = &tcp_group;
1061 
1062 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
1063 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
1064 
1065 	tqpair.qpair.transport = &ttransport.transport;
1066 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1067 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
1068 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
1069 
1070 	/* init tcp_req */
1071 	tcp_req.req.qpair = &tqpair.qpair;
1072 	tcp_req.pdu = &rsp_pdu;
1073 	tcp_req.pdu->qpair = &tqpair;
1074 	tqpair.mgmt_pdu = &mgmt_pdu;
1075 	tqpair.mgmt_pdu->qpair = &tqpair;
1076 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
1077 	tcp_req.req.rsp = &rsp0;
1078 	tcp_req.state = TCP_REQUEST_STATE_NEW;
1079 
1080 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req, state_link);
1081 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
1082 
1083 	/* init pdu, make pdu need sgl buff */
1084 	capsule_data = &tqpair.pdu_in_progress->hdr.capsule_cmd;
1085 	sgl = &capsule_data->ccsqe.dptr.sgl1;
1086 
1087 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1088 	capsule_data->common.hlen = sizeof(*capsule_data);
1089 	capsule_data->common.plen = 1096;
1090 	capsule_data->ccsqe.opc = SPDK_NVME_OPC_WRITE;
1091 	/* Need to set to a non zero valid to check it gets copied to the response */
1092 	capsule_data->ccsqe.cid = cid;
1093 
1094 	/* Set up SGL to ensure nvmf_tcp_req_parse_sgl returns an error */
1095 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
1096 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
1097 	sgl->unkeyed.length = UT_MAX_IO_SIZE + 1;
1098 
1099 	/* Process a command and ensure that it fails and the request is set up to return an error */
1100 	nvmf_tcp_req_process(&ttransport, &tcp_req);
1101 	CU_ASSERT(!STAILQ_EMPTY(&group->pending_buf_queue));
1102 	CU_ASSERT(tcp_req.state == TCP_REQUEST_STATE_NEED_BUFFER);
1103 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1104 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1105 }
1106 
1107 static void
1108 test_nvmf_tcp_pdu_ch_handle(void)
1109 {
1110 	struct spdk_nvmf_tcp_qpair tqpair = {};
1111 	struct nvme_tcp_pdu mgmt_pdu = {}, pdu_in_progress = {};
1112 
1113 	mgmt_pdu.qpair = &tqpair;
1114 	tqpair.mgmt_pdu = &mgmt_pdu;
1115 	tqpair.pdu_in_progress = &pdu_in_progress;
1116 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1117 	tqpair.cpda = 0;
1118 
1119 	/* Test case: Already received ICreq PDU. Expect: fail */
1120 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1121 	tqpair.state = NVME_TCP_QPAIR_STATE_INITIALIZING;
1122 	nvmf_tcp_pdu_ch_handle(&tqpair);
1123 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1124 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1125 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1126 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1127 
1128 	/* Test case: Expected PDU header length and received are different. Expect: fail */
1129 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1130 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1131 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1132 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1133 	tqpair.pdu_in_progress->hdr.common.hlen = 0;
1134 	nvmf_tcp_pdu_ch_handle(&tqpair);
1135 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1136 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1137 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1138 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1139 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 2);
1140 
1141 	/* Test case: The TCP/IP tqpair connection is not negotitated. Expect: fail */
1142 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1143 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_RESP;
1144 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1145 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1146 	tqpair.pdu_in_progress->hdr.common.hlen = 0;
1147 	nvmf_tcp_pdu_ch_handle(&tqpair);
1148 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1149 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1150 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1151 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1152 
1153 	/* Test case: Unexpected PDU type. Expect: fail */
1154 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1155 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP;
1156 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1157 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1158 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1159 	nvmf_tcp_pdu_ch_handle(&tqpair);
1160 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1161 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1162 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1163 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1164 		  (unsigned)SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
1165 
1166 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_IC_REQ, let plen error. Expect: fail */
1167 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1168 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1169 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1170 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1171 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1172 	nvmf_tcp_pdu_ch_handle(&tqpair);
1173 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1174 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1175 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1176 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1177 		  (unsigned)SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
1178 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1179 
1180 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD, let plen error. Expect: fail */
1181 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1182 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1183 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1184 	tqpair.pdu_in_progress->hdr.common.flags = SPDK_NVME_TCP_CH_FLAGS_HDGSTF;
1185 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1186 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_cmd);
1187 	nvmf_tcp_pdu_ch_handle(&tqpair);
1188 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1189 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1190 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1191 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == sizeof(struct spdk_nvme_tcp_cmd) + sizeof(
1192 			  struct spdk_nvme_tcp_term_req_hdr));
1193 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1194 
1195 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_DATA, let plen error. Expect: fail */
1196 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1197 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_DATA;
1198 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1199 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1200 	tqpair.pdu_in_progress->hdr.common.pdo = 64;
1201 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_h2c_data_hdr);
1202 	nvmf_tcp_pdu_ch_handle(&tqpair);
1203 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1204 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1205 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1206 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1207 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1208 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1209 
1210 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_TERM_REQ, let plen error. Expect: fail */
1211 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1212 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_TERM_REQ;
1213 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1214 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1215 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_term_req_hdr);
1216 	nvmf_tcp_pdu_ch_handle(&tqpair);
1217 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1218 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1219 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1220 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1221 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1222 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1223 
1224 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD, let pdo error. Expect: fail */
1225 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1226 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1227 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1228 	tqpair.cpda = 1;
1229 	tqpair.pdu_in_progress->hdr.common.flags = SPDK_NVME_TCP_CH_FLAGS_HDGSTF;
1230 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1231 	tqpair.pdu_in_progress->hdr.common.pdo = 63;
1232 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_cmd);
1233 	nvmf_tcp_pdu_ch_handle(&tqpair);
1234 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1235 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1236 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1237 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == sizeof(struct spdk_nvme_tcp_cmd) + sizeof(
1238 			  struct spdk_nvme_tcp_term_req_hdr));
1239 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 3);
1240 
1241 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_DATA, let pdo error. Expect: fail */
1242 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1243 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_DATA;
1244 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1245 	tqpair.cpda = 1;
1246 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1247 	tqpair.pdu_in_progress->hdr.common.pdo = 63;
1248 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_h2c_data_hdr);
1249 	nvmf_tcp_pdu_ch_handle(&tqpair);
1250 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1251 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1252 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1253 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1254 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1255 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 3);
1256 
1257 	/* Test case: All parameters is conformed to the function. Expect: PASS */
1258 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1259 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1260 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1261 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1262 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1263 	nvmf_tcp_pdu_ch_handle(&tqpair);
1264 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH);
1265 	CU_ASSERT(tqpair.pdu_in_progress->psh_len == tqpair.pdu_in_progress->hdr.common.hlen - sizeof(
1266 			  struct spdk_nvme_tcp_common_pdu_hdr));
1267 }
1268 
1269 static void
1270 test_nvmf_tcp_tls_add_remove_credentials(void)
1271 {
1272 	struct spdk_thread *thread;
1273 	struct spdk_nvmf_transport *transport;
1274 	struct spdk_nvmf_tcp_transport *ttransport;
1275 	struct spdk_nvmf_transport_opts opts;
1276 	struct spdk_nvmf_subsystem subsystem;
1277 	struct tcp_psk_entry *entry;
1278 	const char subnqn[] = {"nqn.2016-06.io.spdk:cnode1"};
1279 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1280 	const char *psk = "NVMeTLSkey-1:01:VRLbtnN9AQb2WXW3c9+wEf/DRLz0QuLdbYvEhwtdWwNf9LrZ:";
1281 	char *psk_file_path = "/tmp/psk.txt";
1282 	bool found = false;
1283 	FILE *psk_file = NULL;
1284 	mode_t oldmask;
1285 
1286 	thread = spdk_thread_create(NULL, NULL);
1287 	SPDK_CU_ASSERT_FATAL(thread != NULL);
1288 	spdk_set_thread(thread);
1289 
1290 	memset(&opts, 0, sizeof(opts));
1291 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
1292 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
1293 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
1294 	opts.max_io_size = UT_MAX_IO_SIZE;
1295 	opts.io_unit_size = UT_IO_UNIT_SIZE;
1296 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
1297 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
1298 	transport = nvmf_tcp_create(&opts);
1299 
1300 	memset(&subsystem, 0, sizeof(subsystem));
1301 	snprintf(subsystem.subnqn, sizeof(subsystem.subnqn), "%s", subnqn);
1302 
1303 	/* Create a text file containing PSK in interchange format. */
1304 	oldmask = umask(S_IXUSR | S_IRWXG | S_IRWXO);
1305 	psk_file = fopen(psk_file_path, "w");
1306 	CU_ASSERT(psk_file != NULL);
1307 	CU_ASSERT(fprintf(psk_file, "%s", psk) > 0);
1308 	CU_ASSERT(fclose(psk_file) == 0);
1309 	umask(oldmask);
1310 
1311 	struct spdk_json_val psk_json[] = {
1312 		{"", 2, SPDK_JSON_VAL_OBJECT_BEGIN},
1313 		{"psk", 3, SPDK_JSON_VAL_NAME},
1314 		{psk_file_path, strlen(psk_file_path), SPDK_JSON_VAL_STRING},
1315 		{"", 0, SPDK_JSON_VAL_OBJECT_END},
1316 	};
1317 
1318 	nvmf_tcp_subsystem_add_host(transport, &subsystem, hostnqn, psk_json);
1319 
1320 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
1321 	TAILQ_FOREACH(entry, &ttransport->psks, link) {
1322 		if ((strcmp(subnqn, entry->subnqn) == 0) &&
1323 		    (strcmp(hostnqn, entry->hostnqn) == 0)) {
1324 			found = true;
1325 		}
1326 	}
1327 
1328 	CU_ASSERT(found == true);
1329 	found = false;
1330 
1331 	nvmf_tcp_subsystem_remove_host(transport, &subsystem, hostnqn);
1332 
1333 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
1334 	TAILQ_FOREACH(entry, &ttransport->psks, link) {
1335 		if ((strcmp(subnqn, entry->subnqn) == 0) &&
1336 		    (strcmp(hostnqn, entry->hostnqn) == 0)) {
1337 			found = true;
1338 		}
1339 	}
1340 
1341 	CU_ASSERT(found == false);
1342 
1343 	CU_ASSERT(remove(psk_file_path) == 0);
1344 
1345 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
1346 
1347 	spdk_thread_exit(thread);
1348 	while (!spdk_thread_is_exited(thread)) {
1349 		spdk_thread_poll(thread, 0, 0);
1350 	}
1351 	spdk_thread_destroy(thread);
1352 }
1353 
1354 static void
1355 test_nvmf_tcp_tls_generate_psk_id(void)
1356 {
1357 	const char psk_id_reference[] = {"NVMe0R01 nqn.2016-06.io.spdk:host1 nqn.2016-06.io.spdk:cnode1"};
1358 	const char subnqn[] = {"nqn.2016-06.io.spdk:cnode1"};
1359 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1360 	char psk_id[NVMF_PSK_IDENTITY_LEN] = {};
1361 	char too_small_psk_id[5] = {};
1362 
1363 	/* Check if we can generate expected PSK id. */
1364 	CU_ASSERT(nvme_tcp_generate_psk_identity(psk_id, NVMF_PSK_IDENTITY_LEN, hostnqn,
1365 			subnqn, NVME_TCP_CIPHER_AES_128_GCM_SHA256) == 0);
1366 	CU_ASSERT(strcmp(psk_id, psk_id_reference) == 0);
1367 
1368 	/* Test with a buffer that is too small to fit PSK id. */
1369 	CU_ASSERT(nvme_tcp_generate_psk_identity(too_small_psk_id, sizeof(too_small_psk_id), hostnqn,
1370 			subnqn, NVME_TCP_CIPHER_AES_128_GCM_SHA256) != 0);
1371 
1372 	/* Test with unknown cipher suite. */
1373 	CU_ASSERT(nvme_tcp_generate_psk_identity(psk_id, NVMF_PSK_IDENTITY_LEN, hostnqn,
1374 			subnqn, UINT8_MAX) != 0);
1375 }
1376 
1377 static void
1378 test_nvmf_tcp_tls_generate_retained_psk(void)
1379 {
1380 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1381 	const char psk_reference1[] = {"1234567890ABCDEF"};
1382 	const char psk_reference2[] = {"FEDCBA0987654321"};
1383 	uint8_t unhexlified_str1[SPDK_TLS_PSK_MAX_LEN] = {};
1384 	uint8_t unhexlified_str2[SPDK_TLS_PSK_MAX_LEN] = {};
1385 	char *unhexlified1;
1386 	char *unhexlified2;
1387 	uint8_t psk_retained1[SPDK_TLS_PSK_MAX_LEN] = {};
1388 	uint8_t psk_retained2[SPDK_TLS_PSK_MAX_LEN] = {};
1389 	uint8_t too_small_psk_retained[5] = {};
1390 	int psk_retained_len1, psk_retained_len2;
1391 	int retained_size;
1392 
1393 	unhexlified1 = spdk_unhexlify(psk_reference1);
1394 	SPDK_CU_ASSERT_FATAL(unhexlified1 != NULL);
1395 	unhexlified2 = spdk_unhexlify(psk_reference2);
1396 	SPDK_CU_ASSERT_FATAL(unhexlified2 != NULL);
1397 
1398 	memcpy(unhexlified_str1, unhexlified1, strlen(psk_reference1) / 2);
1399 	memcpy(unhexlified_str2, unhexlified2, strlen(psk_reference2) / 2);
1400 	free(unhexlified1);
1401 	free(unhexlified2);
1402 
1403 	/* Make sure that retained PSKs are different with different input PSKs and the same hash. */
1404 	retained_size = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1405 			psk_retained1, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1406 	CU_ASSERT(retained_size > 0);
1407 
1408 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str2, strlen(psk_reference2) / 2, hostnqn,
1409 					       psk_retained2,
1410 					       SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256) > 0);
1411 	CU_ASSERT(memcmp(psk_retained1, psk_retained2, retained_size) != 0);
1412 
1413 	/* Make sure that retained PSKs are different with different hash and the same input PSKs. */
1414 	psk_retained_len1 = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2,
1415 			    hostnqn, psk_retained1, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1416 	CU_ASSERT(psk_retained_len1 > 0);
1417 	psk_retained_len2 = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2,
1418 			    hostnqn, psk_retained2, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA384);
1419 	CU_ASSERT(psk_retained_len2 > 0);
1420 	CU_ASSERT(psk_retained_len1 < psk_retained_len2);
1421 
1422 	/* Make sure that passing unknown value as hash errors out the function. */
1423 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1424 					       psk_retained1, SPDK_TLS_PSK_MAX_LEN, -1) < 0);
1425 
1426 	/* Make sure that passing buffer insufficient in size errors out the function. */
1427 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1428 					       too_small_psk_retained, sizeof(too_small_psk_retained), NVME_TCP_HASH_ALGORITHM_SHA256) < 0);
1429 }
1430 
1431 static void
1432 test_nvmf_tcp_tls_generate_tls_psk(void)
1433 {
1434 	const char psk_id_reference[] = {"NVMe0R01 nqn.2016-06.io.spdk:host1 nqn.2016-06.io.spdk:cnode1"};
1435 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1436 	const char psk_reference[] = {"1234567890ABCDEF"};
1437 	char *unhexlified;
1438 	uint8_t unhexlified_str[SPDK_TLS_PSK_MAX_LEN] = {};
1439 	uint8_t psk_retained[SPDK_TLS_PSK_MAX_LEN] = {};
1440 	uint8_t psk_key1[SPDK_TLS_PSK_MAX_LEN] = {}, psk_key2[SPDK_TLS_PSK_MAX_LEN] = {};
1441 	uint8_t too_small_psk_tls[5] = {};
1442 	int retained_size, tls_size;
1443 
1444 	unhexlified = spdk_unhexlify(psk_reference);
1445 	CU_ASSERT(unhexlified != NULL);
1446 
1447 	memcpy(unhexlified_str, unhexlified, strlen(psk_reference) / 2);
1448 	free(unhexlified);
1449 
1450 	retained_size = nvme_tcp_derive_retained_psk(unhexlified_str, strlen(psk_reference) / 2, hostnqn,
1451 			psk_retained, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1452 	CU_ASSERT(retained_size > 0);
1453 
1454 	/* Make sure that different cipher suites produce different TLS PSKs. */
1455 	tls_size = nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference, psk_key1,
1456 					   SPDK_TLS_PSK_MAX_LEN, NVME_TCP_CIPHER_AES_128_GCM_SHA256);
1457 	CU_ASSERT(tls_size > 0);
1458 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference, psk_key2,
1459 					  SPDK_TLS_PSK_MAX_LEN, NVME_TCP_CIPHER_AES_256_GCM_SHA384) > 0);
1460 	CU_ASSERT(memcmp(psk_key1, psk_key2, tls_size) != 0);
1461 
1462 	/* Make sure that passing unknown value as hash errors out the function. */
1463 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference,
1464 					  psk_key1, SPDK_TLS_PSK_MAX_LEN, UINT8_MAX) < 0);
1465 
1466 	/* Make sure that passing buffer insufficient in size errors out the function. */
1467 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference,
1468 					  too_small_psk_tls, sizeof(too_small_psk_tls),
1469 					  NVME_TCP_CIPHER_AES_128_GCM_SHA256) < 0);
1470 }
1471 
1472 int
1473 main(int argc, char **argv)
1474 {
1475 	CU_pSuite	suite = NULL;
1476 	unsigned int	num_failures;
1477 
1478 	CU_initialize_registry();
1479 
1480 	suite = CU_add_suite("nvmf", NULL, NULL);
1481 
1482 	CU_ADD_TEST(suite, test_nvmf_tcp_create);
1483 	CU_ADD_TEST(suite, test_nvmf_tcp_destroy);
1484 	CU_ADD_TEST(suite, test_nvmf_tcp_poll_group_create);
1485 	CU_ADD_TEST(suite, test_nvmf_tcp_send_c2h_data);
1486 	CU_ADD_TEST(suite, test_nvmf_tcp_h2c_data_hdr_handle);
1487 	CU_ADD_TEST(suite, test_nvmf_tcp_in_capsule_data_handle);
1488 	CU_ADD_TEST(suite, test_nvmf_tcp_qpair_init_mem_resource);
1489 	CU_ADD_TEST(suite, test_nvmf_tcp_send_c2h_term_req);
1490 	CU_ADD_TEST(suite, test_nvmf_tcp_send_capsule_resp_pdu);
1491 	CU_ADD_TEST(suite, test_nvmf_tcp_icreq_handle);
1492 	CU_ADD_TEST(suite, test_nvmf_tcp_check_xfer_type);
1493 	CU_ADD_TEST(suite, test_nvmf_tcp_invalid_sgl);
1494 	CU_ADD_TEST(suite, test_nvmf_tcp_pdu_ch_handle);
1495 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_add_remove_credentials);
1496 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_psk_id);
1497 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_retained_psk);
1498 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_tls_psk);
1499 
1500 	num_failures = spdk_ut_run_tests(argc, argv, NULL);
1501 	CU_cleanup_registry();
1502 	return num_failures;
1503 }
1504