xref: /spdk/test/unit/lib/nvmf/tcp.c/tcp_ut.c (revision 3f4f8ad0f4ee2c50a68a2cbb23101cbaa630903a)
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 DEFINE_STUB(spdk_nvmf_qpair_disconnect, int, (struct spdk_nvmf_qpair *qpair), 0);
41 
42 DEFINE_STUB(nvmf_subsystem_add_ctrlr,
43 	    int,
44 	    (struct spdk_nvmf_subsystem *subsystem, struct spdk_nvmf_ctrlr *ctrlr),
45 	    0);
46 
47 DEFINE_STUB(nvmf_subsystem_get_ctrlr,
48 	    struct spdk_nvmf_ctrlr *,
49 	    (struct spdk_nvmf_subsystem *subsystem, uint16_t cntlid),
50 	    NULL);
51 
52 DEFINE_STUB(spdk_nvmf_tgt_find_subsystem,
53 	    struct spdk_nvmf_subsystem *,
54 	    (struct spdk_nvmf_tgt *tgt, const char *subnqn),
55 	    NULL);
56 
57 DEFINE_STUB(spdk_nvmf_subsystem_listener_allowed,
58 	    bool,
59 	    (struct spdk_nvmf_subsystem *subsystem, const struct spdk_nvme_transport_id *trid),
60 	    true);
61 
62 DEFINE_STUB(nvmf_subsystem_find_listener,
63 	    struct spdk_nvmf_subsystem_listener *,
64 	    (struct spdk_nvmf_subsystem *subsystem,
65 	     const struct spdk_nvme_transport_id *trid),
66 	    (void *)0x1);
67 
68 DEFINE_STUB(spdk_nvmf_ns_find_host,
69 	    struct spdk_nvmf_host *,
70 	    (struct spdk_nvmf_ns *ns, const char *hostnqn),
71 	    NULL);
72 
73 DEFINE_STUB_V(nvmf_get_discovery_log_page,
74 	      (struct spdk_nvmf_tgt *tgt, const char *hostnqn, struct iovec *iov,
75 	       uint32_t iovcnt, uint64_t offset, uint32_t length, struct spdk_nvme_transport_id *cmd_src_trid));
76 
77 DEFINE_STUB_V(nvmf_subsystem_remove_ctrlr,
78 	      (struct spdk_nvmf_subsystem *subsystem, struct spdk_nvmf_ctrlr *ctrlr));
79 
80 DEFINE_STUB(spdk_nvmf_subsystem_get_first_ns,
81 	    struct spdk_nvmf_ns *,
82 	    (struct spdk_nvmf_subsystem *subsystem),
83 	    NULL);
84 
85 DEFINE_STUB(spdk_nvmf_subsystem_get_next_ns,
86 	    struct spdk_nvmf_ns *,
87 	    (struct spdk_nvmf_subsystem *subsystem, struct spdk_nvmf_ns *prev_ns),
88 	    NULL);
89 
90 DEFINE_STUB(spdk_nvmf_subsystem_host_allowed,
91 	    bool,
92 	    (struct spdk_nvmf_subsystem *subsystem, const char *hostnqn),
93 	    true);
94 
95 DEFINE_STUB(nvmf_ctrlr_dsm_supported,
96 	    bool,
97 	    (struct spdk_nvmf_ctrlr *ctrlr),
98 	    false);
99 
100 DEFINE_STUB(nvmf_ctrlr_write_zeroes_supported,
101 	    bool,
102 	    (struct spdk_nvmf_ctrlr *ctrlr),
103 	    false);
104 
105 DEFINE_STUB(nvmf_ctrlr_copy_supported,
106 	    bool,
107 	    (struct spdk_nvmf_ctrlr *ctrlr),
108 	    false);
109 
110 DEFINE_STUB(nvmf_bdev_ctrlr_read_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_write_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_cmd,
123 	    int,
124 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
125 	     struct spdk_nvmf_request *req),
126 	    0);
127 
128 DEFINE_STUB(nvmf_bdev_ctrlr_compare_and_write_cmd,
129 	    int,
130 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
131 	     struct spdk_nvmf_request *cmp_req, struct spdk_nvmf_request *write_req),
132 	    0);
133 
134 DEFINE_STUB(nvmf_bdev_ctrlr_write_zeroes_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_flush_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_dsm_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_copy_cmd,
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(nvmf_bdev_ctrlr_nvme_passthru_io,
159 	    int,
160 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
161 	     struct spdk_nvmf_request *req),
162 	    0);
163 
164 DEFINE_STUB(spdk_nvmf_bdev_ctrlr_abort_cmd,
165 	    int,
166 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
167 	     struct spdk_nvmf_request *req, struct spdk_nvmf_request *req_to_abort),
168 	    0);
169 
170 DEFINE_STUB(nvmf_bdev_ctrlr_get_dif_ctx,
171 	    bool,
172 	    (struct spdk_bdev *bdev, struct spdk_nvme_cmd *cmd, struct spdk_dif_ctx *dif_ctx),
173 	    false);
174 
175 DEFINE_STUB(nvmf_transport_req_complete,
176 	    int,
177 	    (struct spdk_nvmf_request *req),
178 	    0);
179 
180 DEFINE_STUB(nvmf_bdev_zcopy_enabled,
181 	    bool,
182 	    (struct spdk_bdev *bdev),
183 	    false);
184 
185 DEFINE_STUB(nvmf_bdev_ctrlr_zcopy_start,
186 	    int,
187 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
188 	     struct spdk_nvmf_request *req),
189 	    0);
190 
191 DEFINE_STUB_V(nvmf_bdev_ctrlr_zcopy_end, (struct spdk_nvmf_request *req, bool commit));
192 
193 DEFINE_STUB_V(spdk_nvmf_request_free_buffers,
194 	      (struct spdk_nvmf_request *req, struct spdk_nvmf_transport_poll_group *group,
195 	       struct spdk_nvmf_transport *transport));
196 
197 DEFINE_STUB(spdk_sock_get_optimal_sock_group,
198 	    int,
199 	    (struct spdk_sock *sock, struct spdk_sock_group **group, struct spdk_sock_group *hint),
200 	    0);
201 
202 DEFINE_STUB(spdk_sock_group_get_ctx,
203 	    void *,
204 	    (struct spdk_sock_group *group),
205 	    NULL);
206 
207 DEFINE_STUB_V(nvmf_ns_reservation_request, (void *ctx));
208 
209 DEFINE_STUB_V(spdk_nvme_trid_populate_transport, (struct spdk_nvme_transport_id *trid,
210 		enum spdk_nvme_transport_type trtype));
211 DEFINE_STUB_V(spdk_nvmf_transport_register, (const struct spdk_nvmf_transport_ops *ops));
212 
213 DEFINE_STUB_V(spdk_nvmf_tgt_new_qpair, (struct spdk_nvmf_tgt *tgt, struct spdk_nvmf_qpair *qpair));
214 
215 DEFINE_STUB_V(nvmf_transport_qpair_abort_request,
216 	      (struct spdk_nvmf_qpair *qpair, struct spdk_nvmf_request *req));
217 
218 DEFINE_STUB_V(nvmf_qpair_set_state, (struct spdk_nvmf_qpair *q, enum spdk_nvmf_qpair_state s));
219 
220 DEFINE_STUB_V(spdk_nvme_print_command, (uint16_t qid, struct spdk_nvme_cmd *cmd));
221 DEFINE_STUB_V(spdk_nvme_print_completion, (uint16_t qid, struct spdk_nvme_cpl *cpl));
222 
223 DEFINE_STUB(nvmf_transport_req_free,
224 	    int,
225 	    (struct spdk_nvmf_request *req),
226 	    0);
227 
228 DEFINE_STUB(accel_channel_create, int, (void *io_device, void *ctx_buf), 0);
229 DEFINE_STUB_V(accel_channel_destroy, (void *io_device, void *ctx_buf));
230 DEFINE_STUB(spdk_bdev_reset, int, (struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
231 				   spdk_bdev_io_completion_cb cb, void *cb_arg), 0);
232 DEFINE_STUB_V(spdk_bdev_free_io, (struct spdk_bdev_io *bdev_io));
233 
234 DEFINE_STUB(spdk_bdev_get_max_active_zones, uint32_t,
235 	    (const struct spdk_bdev *bdev), 0);
236 DEFINE_STUB(spdk_bdev_get_max_open_zones, uint32_t,
237 	    (const struct spdk_bdev *bdev), 0);
238 DEFINE_STUB(spdk_bdev_is_zoned, bool, (const struct spdk_bdev *bdev), false);
239 DEFINE_STUB(spdk_bdev_get_zone_size, uint64_t, (const struct spdk_bdev *bdev), 0);
240 
241 DEFINE_STUB(spdk_nvme_ns_get_format_index, uint32_t,
242 	    (const struct spdk_nvme_ns_data *nsdata), 0);
243 
244 DEFINE_STUB(spdk_sock_get_impl_name, const char *, (struct spdk_sock *sock), "");
245 
246 DEFINE_STUB(spdk_nvmf_subsystem_is_discovery, bool, (struct spdk_nvmf_subsystem *subsystem), false);
247 DEFINE_STUB(spdk_nvmf_subsystem_get_nqn, const char *,
248 	    (const struct spdk_nvmf_subsystem *subsystem), NULL);
249 DEFINE_STUB(spdk_keyring_get_key, struct spdk_key *, (const char *name), NULL);
250 DEFINE_STUB_V(spdk_keyring_put_key, (struct spdk_key *k));
251 DEFINE_STUB(spdk_key_get_name, const char *, (struct spdk_key *k), NULL);
252 DEFINE_STUB(spdk_key_get_key, int, (struct spdk_key *k, void *buf, int len), 1);
253 
254 DEFINE_STUB(nvmf_ns_is_ptpl_capable, bool, (const struct spdk_nvmf_ns *ns), false);
255 
256 struct spdk_io_channel *
257 spdk_accel_get_io_channel(void)
258 {
259 	return spdk_get_io_channel(g_accel_p);
260 }
261 
262 DEFINE_STUB(spdk_accel_submit_crc32cv,
263 	    int,
264 	    (struct spdk_io_channel *ch, uint32_t *dst, struct iovec *iovs,
265 	     uint32_t iovcnt, uint32_t seed, spdk_accel_completion_cb cb_fn, void *cb_arg),
266 	    0);
267 
268 DEFINE_STUB(spdk_nvmf_bdev_ctrlr_nvme_passthru_admin,
269 	    int,
270 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
271 	     struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
272 	     spdk_nvmf_nvme_passthru_cmd_cb cb_fn),
273 	    0)
274 
275 struct spdk_bdev {
276 	int ut_mock;
277 	uint64_t blockcnt;
278 };
279 
280 int
281 spdk_nvme_transport_id_compare(const struct spdk_nvme_transport_id *trid1,
282 			       const struct spdk_nvme_transport_id *trid2)
283 {
284 	return 0;
285 }
286 
287 const char *
288 spdk_nvme_transport_id_trtype_str(enum spdk_nvme_transport_type trtype)
289 {
290 	switch (trtype) {
291 	case SPDK_NVME_TRANSPORT_PCIE:
292 		return "PCIe";
293 	case SPDK_NVME_TRANSPORT_RDMA:
294 		return "RDMA";
295 	case SPDK_NVME_TRANSPORT_FC:
296 		return "FC";
297 	default:
298 		return NULL;
299 	}
300 }
301 
302 int
303 spdk_nvme_transport_id_populate_trstring(struct spdk_nvme_transport_id *trid, const char *trstring)
304 {
305 	int len, i;
306 
307 	if (trstring == NULL) {
308 		return -EINVAL;
309 	}
310 
311 	len = strnlen(trstring, SPDK_NVMF_TRSTRING_MAX_LEN);
312 	if (len == SPDK_NVMF_TRSTRING_MAX_LEN) {
313 		return -EINVAL;
314 	}
315 
316 	/* cast official trstring to uppercase version of input. */
317 	for (i = 0; i < len; i++) {
318 		trid->trstring[i] = toupper(trstring[i]);
319 	}
320 	return 0;
321 }
322 
323 int
324 spdk_nvmf_request_get_buffers(struct spdk_nvmf_request *req,
325 			      struct spdk_nvmf_transport_poll_group *group,
326 			      struct spdk_nvmf_transport *transport,
327 			      uint32_t length)
328 {
329 	/* length more than 1 io unit length will fail. */
330 	if (length >= transport->opts.io_unit_size) {
331 		return -EINVAL;
332 	}
333 
334 	req->iovcnt = 1;
335 	req->iov[0].iov_base = (void *)0xDEADBEEF;
336 
337 	return 0;
338 }
339 
340 
341 void
342 nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
343 			    bool dif_insert_or_strip)
344 {
345 	uint64_t num_blocks;
346 
347 	SPDK_CU_ASSERT_FATAL(ns->bdev != NULL);
348 	num_blocks = ns->bdev->blockcnt;
349 	nsdata->nsze = num_blocks;
350 	nsdata->ncap = num_blocks;
351 	nsdata->nuse = num_blocks;
352 	nsdata->nlbaf = 0;
353 	nsdata->flbas.format = 0;
354 	nsdata->flbas.msb_format = 0;
355 	nsdata->lbaf[0].lbads = spdk_u32log2(512);
356 }
357 
358 const char *
359 spdk_nvmf_subsystem_get_sn(const struct spdk_nvmf_subsystem *subsystem)
360 {
361 	return subsystem->sn;
362 }
363 
364 const char *
365 spdk_nvmf_subsystem_get_mn(const struct spdk_nvmf_subsystem *subsystem)
366 {
367 	return subsystem->mn;
368 }
369 
370 static void
371 test_nvmf_tcp_create(void)
372 {
373 	struct spdk_thread *thread;
374 	struct spdk_nvmf_transport *transport;
375 	struct spdk_nvmf_tcp_transport *ttransport;
376 	struct spdk_nvmf_transport_opts opts;
377 
378 	thread = spdk_thread_create(NULL, NULL);
379 	SPDK_CU_ASSERT_FATAL(thread != NULL);
380 	spdk_set_thread(thread);
381 
382 	/* case 1 */
383 	memset(&opts, 0, sizeof(opts));
384 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
385 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
386 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
387 	opts.max_io_size = UT_MAX_IO_SIZE;
388 	opts.io_unit_size = UT_IO_UNIT_SIZE;
389 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
390 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
391 	/* expect success */
392 	transport = nvmf_tcp_create(&opts);
393 	CU_ASSERT_PTR_NOT_NULL(transport);
394 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
395 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
396 	transport->opts = opts;
397 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
398 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
399 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
400 	CU_ASSERT(transport->opts.io_unit_size == UT_IO_UNIT_SIZE);
401 	/* destroy transport */
402 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
403 
404 	/* case 2 */
405 	memset(&opts, 0, sizeof(opts));
406 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
407 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
408 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
409 	opts.max_io_size = UT_MAX_IO_SIZE;
410 	opts.io_unit_size = UT_MAX_IO_SIZE + 1;
411 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
412 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
413 	/* expect success */
414 	transport = nvmf_tcp_create(&opts);
415 	CU_ASSERT_PTR_NOT_NULL(transport);
416 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
417 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
418 	transport->opts = opts;
419 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
420 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
421 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
422 	CU_ASSERT(transport->opts.io_unit_size == UT_MAX_IO_SIZE);
423 	/* destroy transport */
424 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
425 
426 	/* case 3 */
427 	memset(&opts, 0, sizeof(opts));
428 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
429 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
430 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
431 	opts.max_io_size = UT_MAX_IO_SIZE;
432 	opts.io_unit_size = 16;
433 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
434 	/* expect fails */
435 	transport = nvmf_tcp_create(&opts);
436 	CU_ASSERT_PTR_NULL(transport);
437 
438 	spdk_thread_exit(thread);
439 	while (!spdk_thread_is_exited(thread)) {
440 		spdk_thread_poll(thread, 0, 0);
441 	}
442 	spdk_thread_destroy(thread);
443 }
444 
445 static void
446 test_nvmf_tcp_destroy(void)
447 {
448 	struct spdk_thread *thread;
449 	struct spdk_nvmf_transport *transport;
450 	struct spdk_nvmf_transport_opts opts;
451 
452 	thread = spdk_thread_create(NULL, NULL);
453 	SPDK_CU_ASSERT_FATAL(thread != NULL);
454 	spdk_set_thread(thread);
455 
456 	/* case 1 */
457 	memset(&opts, 0, sizeof(opts));
458 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
459 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
460 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
461 	opts.max_io_size = UT_MAX_IO_SIZE;
462 	opts.io_unit_size = UT_IO_UNIT_SIZE;
463 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
464 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
465 	transport = nvmf_tcp_create(&opts);
466 	CU_ASSERT_PTR_NOT_NULL(transport);
467 	transport->opts = opts;
468 	/* destroy transport */
469 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
470 
471 	spdk_thread_exit(thread);
472 	while (!spdk_thread_is_exited(thread)) {
473 		spdk_thread_poll(thread, 0, 0);
474 	}
475 	spdk_thread_destroy(thread);
476 }
477 
478 static void
479 init_accel(void)
480 {
481 	spdk_io_device_register(g_accel_p, accel_channel_create, accel_channel_destroy,
482 				sizeof(int), "accel_p");
483 }
484 
485 static void
486 fini_accel(void)
487 {
488 	spdk_io_device_unregister(g_accel_p, NULL);
489 }
490 
491 static void
492 test_nvmf_tcp_poll_group_create(void)
493 {
494 	struct spdk_nvmf_transport *transport;
495 	struct spdk_nvmf_transport_poll_group *group;
496 	struct spdk_nvmf_tcp_poll_group *tgroup;
497 	struct spdk_thread *thread;
498 	struct spdk_nvmf_transport_opts opts;
499 	struct spdk_sock_group grp = {};
500 
501 	thread = spdk_thread_create(NULL, NULL);
502 	SPDK_CU_ASSERT_FATAL(thread != NULL);
503 	spdk_set_thread(thread);
504 
505 	init_accel();
506 
507 	memset(&opts, 0, sizeof(opts));
508 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
509 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
510 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
511 	opts.max_io_size = UT_MAX_IO_SIZE;
512 	opts.io_unit_size = UT_IO_UNIT_SIZE;
513 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
514 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
515 	transport = nvmf_tcp_create(&opts);
516 	CU_ASSERT_PTR_NOT_NULL(transport);
517 	transport->opts = opts;
518 	MOCK_SET(spdk_sock_group_create, &grp);
519 	group = nvmf_tcp_poll_group_create(transport, NULL);
520 	MOCK_CLEAR_P(spdk_sock_group_create);
521 	SPDK_CU_ASSERT_FATAL(group);
522 	if (opts.in_capsule_data_size < SPDK_NVME_TCP_IN_CAPSULE_DATA_MAX_SIZE) {
523 		tgroup = SPDK_CONTAINEROF(group, struct spdk_nvmf_tcp_poll_group, group);
524 		SPDK_CU_ASSERT_FATAL(tgroup->control_msg_list);
525 	}
526 	group->transport = transport;
527 	nvmf_tcp_poll_group_destroy(group);
528 	nvmf_tcp_destroy(transport, NULL, NULL);
529 
530 	fini_accel();
531 	spdk_thread_exit(thread);
532 	while (!spdk_thread_is_exited(thread)) {
533 		spdk_thread_poll(thread, 0, 0);
534 	}
535 	spdk_thread_destroy(thread);
536 }
537 
538 static void
539 test_nvmf_tcp_send_c2h_data(void)
540 {
541 	struct spdk_thread *thread;
542 	struct spdk_nvmf_tcp_transport ttransport = {};
543 	struct spdk_nvmf_tcp_qpair tqpair = {};
544 	struct spdk_nvmf_tcp_req tcp_req = {};
545 	struct nvme_tcp_pdu pdu = {};
546 	struct spdk_nvme_tcp_c2h_data_hdr *c2h_data;
547 
548 	ttransport.tcp_opts.c2h_success = true;
549 	thread = spdk_thread_create(NULL, NULL);
550 	SPDK_CU_ASSERT_FATAL(thread != NULL);
551 	spdk_set_thread(thread);
552 
553 	tcp_req.pdu = &pdu;
554 	tcp_req.req.length = 300;
555 	tcp_req.req.qpair = &tqpair.qpair;
556 
557 	tqpair.qpair.transport = &ttransport.transport;
558 
559 	/* Set qpair state to make unrelated operations NOP */
560 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
561 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
562 
563 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
564 
565 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
566 	tcp_req.req.iov[0].iov_len = 101;
567 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
568 	tcp_req.req.iov[1].iov_len = 100;
569 	tcp_req.req.iov[2].iov_base = (void *)0xC0FFEE;
570 	tcp_req.req.iov[2].iov_len = 99;
571 	tcp_req.req.iovcnt = 3;
572 	tcp_req.req.length = 300;
573 
574 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
575 
576 	c2h_data = &pdu.hdr.c2h_data;
577 	CU_ASSERT(c2h_data->datao == 0);
578 	CU_ASSERT(c2h_data->datal = 300);
579 	CU_ASSERT(c2h_data->common.plen == sizeof(*c2h_data) + 300);
580 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
581 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS);
582 
583 	CU_ASSERT(pdu.data_iovcnt == 3);
584 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
585 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
586 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
587 	CU_ASSERT(pdu.data_iov[1].iov_len == 100);
588 	CU_ASSERT((uint64_t)pdu.data_iov[2].iov_base == 0xC0FFEE);
589 	CU_ASSERT(pdu.data_iov[2].iov_len == 99);
590 
591 	tcp_req.pdu_in_use = false;
592 	tcp_req.rsp.cdw0 = 1;
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 	ttransport.tcp_opts.c2h_success = false;
599 	tcp_req.pdu_in_use = false;
600 	tcp_req.rsp.cdw0 = 0;
601 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
602 
603 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
604 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
605 
606 	tcp_req.pdu_in_use = false;
607 	tcp_req.rsp.cdw0 = 1;
608 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
609 
610 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
611 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
612 
613 	spdk_thread_exit(thread);
614 	while (!spdk_thread_is_exited(thread)) {
615 		spdk_thread_poll(thread, 0, 0);
616 	}
617 	spdk_thread_destroy(thread);
618 }
619 
620 #define NVMF_TCP_PDU_MAX_H2C_DATA_SIZE (128 * 1024)
621 
622 static void
623 test_nvmf_tcp_h2c_data_hdr_handle(void)
624 {
625 	struct spdk_nvmf_tcp_transport ttransport = {};
626 	struct spdk_nvmf_tcp_qpair tqpair = {};
627 	struct nvme_tcp_pdu pdu = {};
628 	struct spdk_nvmf_tcp_req tcp_req = {};
629 	struct spdk_nvme_tcp_h2c_data_hdr *h2c_data;
630 
631 	/* Set qpair state to make unrelated operations NOP */
632 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
633 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
634 	tqpair.resource_count = 1;
635 	tqpair.reqs = &tcp_req;
636 
637 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
638 	tcp_req.req.iov[0].iov_len = 101;
639 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
640 	tcp_req.req.iov[1].iov_len = 99;
641 	tcp_req.req.iovcnt = 2;
642 	tcp_req.req.length = 200;
643 	tcp_req.state = TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER;
644 
645 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
646 	tcp_req.req.cmd->nvme_cmd.cid = 1;
647 	tcp_req.ttag = 1;
648 
649 	h2c_data = &pdu.hdr.h2c_data;
650 	h2c_data->cccid = 1;
651 	h2c_data->ttag = 1;
652 	h2c_data->datao = 0;
653 	h2c_data->datal = 200;
654 
655 	nvmf_tcp_h2c_data_hdr_handle(&ttransport, &tqpair, &pdu);
656 
657 	CU_ASSERT(pdu.data_iovcnt == 2);
658 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
659 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
660 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
661 	CU_ASSERT(pdu.data_iov[1].iov_len == 99);
662 }
663 
664 
665 static void
666 test_nvmf_tcp_in_capsule_data_handle(void)
667 {
668 	struct spdk_nvmf_tcp_transport ttransport = {};
669 	struct spdk_nvmf_tcp_qpair tqpair = {};
670 	struct nvme_tcp_pdu *pdu, pdu_in_progress = {};
671 	union nvmf_c2h_msg rsp0 = {};
672 	union nvmf_c2h_msg rsp = {};
673 
674 	struct spdk_nvmf_request *req_temp = NULL;
675 	struct spdk_nvmf_tcp_req tcp_req2 = {};
676 	struct spdk_nvmf_tcp_req tcp_req1 = {};
677 
678 	struct spdk_nvme_tcp_cmd *capsule_data;
679 	struct spdk_nvmf_capsule_cmd *nvmf_capsule_data;
680 	struct spdk_nvme_sgl_descriptor *sgl;
681 
682 	struct spdk_nvmf_transport_poll_group *group;
683 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
684 	struct spdk_sock_group grp = {};
685 
686 	tqpair.pdu_in_progress = &pdu_in_progress;
687 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
688 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
689 
690 	tcp_group.sock_group = &grp;
691 	TAILQ_INIT(&tcp_group.qpairs);
692 	group = &tcp_group.group;
693 	group->transport = &ttransport.transport;
694 	STAILQ_INIT(&group->pending_buf_queue);
695 	tqpair.group = &tcp_group;
696 
697 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
698 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
699 
700 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_free_queue, &tcp_req2, state_link);
701 	tqpair.state_cntr[TCP_REQUEST_STATE_FREE]++;
702 	tqpair.qpair.transport = &ttransport.transport;
703 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
704 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
705 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ENABLED;
706 
707 	/* init a null tcp_req into tqpair TCP_REQUEST_STATE_FREE queue */
708 	tcp_req2.req.qpair = &tqpair.qpair;
709 	tcp_req2.req.cmd = (union nvmf_h2c_msg *)&tcp_req2.cmd;
710 	tcp_req2.req.rsp = &rsp;
711 
712 	/* init tcp_req1 */
713 	tcp_req1.req.qpair = &tqpair.qpair;
714 	tcp_req1.req.cmd = (union nvmf_h2c_msg *)&tcp_req1.cmd;
715 	tcp_req1.req.rsp = &rsp0;
716 	tcp_req1.state = TCP_REQUEST_STATE_NEW;
717 
718 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req1, state_link);
719 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
720 
721 	/* init pdu, make pdu need sgl buff */
722 	pdu = tqpair.pdu_in_progress;
723 	capsule_data = &pdu->hdr.capsule_cmd;
724 	nvmf_capsule_data = (struct spdk_nvmf_capsule_cmd *)&pdu->hdr.capsule_cmd.ccsqe;
725 	sgl = &capsule_data->ccsqe.dptr.sgl1;
726 
727 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
728 	capsule_data->common.hlen = sizeof(*capsule_data);
729 	capsule_data->common.plen = 1096;
730 	capsule_data->ccsqe.opc = SPDK_NVME_OPC_FABRIC;
731 
732 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
733 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
734 	sgl->unkeyed.length = UT_IO_UNIT_SIZE;
735 
736 	nvmf_capsule_data->fctype = SPDK_NVMF_FABRIC_COMMAND_CONNECT;
737 
738 	/* insert tcp_req1 to pending_buf_queue, And this req takes precedence over the next req. */
739 	nvmf_tcp_req_process(&ttransport, &tcp_req1);
740 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
741 
742 	sgl->unkeyed.length = UT_IO_UNIT_SIZE - 1;
743 
744 	/* process tqpair capsule req. but we still remain req in pending_buff. */
745 	nvmf_tcp_capsule_cmd_hdr_handle(&ttransport, &tqpair, tqpair.pdu_in_progress);
746 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PAYLOAD);
747 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
748 	STAILQ_FOREACH(req_temp, &group->pending_buf_queue, buf_link) {
749 		if (req_temp == &tcp_req2.req) {
750 			break;
751 		}
752 	}
753 	CU_ASSERT(req_temp == NULL);
754 	CU_ASSERT(tqpair.pdu_in_progress->req == (void *)&tcp_req2);
755 }
756 
757 static void
758 test_nvmf_tcp_qpair_init_mem_resource(void)
759 {
760 	int rc;
761 	struct spdk_nvmf_tcp_qpair *tqpair = NULL;
762 	struct spdk_nvmf_transport transport = {};
763 	struct spdk_thread *thread;
764 
765 	thread = spdk_thread_create(NULL, NULL);
766 	SPDK_CU_ASSERT_FATAL(thread != NULL);
767 	spdk_set_thread(thread);
768 
769 	tqpair = calloc(1, sizeof(*tqpair));
770 	tqpair->qpair.transport = &transport;
771 
772 	nvmf_tcp_opts_init(&transport.opts);
773 	CU_ASSERT(transport.opts.max_queue_depth == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
774 	CU_ASSERT(transport.opts.max_qpairs_per_ctrlr == SPDK_NVMF_TCP_DEFAULT_MAX_QPAIRS_PER_CTRLR);
775 	CU_ASSERT(transport.opts.in_capsule_data_size == SPDK_NVMF_TCP_DEFAULT_IN_CAPSULE_DATA_SIZE);
776 	CU_ASSERT(transport.opts.max_io_size ==	SPDK_NVMF_TCP_DEFAULT_MAX_IO_SIZE);
777 	CU_ASSERT(transport.opts.io_unit_size == SPDK_NVMF_TCP_DEFAULT_IO_UNIT_SIZE);
778 	CU_ASSERT(transport.opts.max_aq_depth == SPDK_NVMF_TCP_DEFAULT_MAX_ADMIN_QUEUE_DEPTH);
779 	CU_ASSERT(transport.opts.num_shared_buffers == SPDK_NVMF_TCP_DEFAULT_NUM_SHARED_BUFFERS);
780 	CU_ASSERT(transport.opts.buf_cache_size == SPDK_NVMF_TCP_DEFAULT_BUFFER_CACHE_SIZE);
781 	CU_ASSERT(transport.opts.dif_insert_or_strip ==	SPDK_NVMF_TCP_DEFAULT_DIF_INSERT_OR_STRIP);
782 	CU_ASSERT(transport.opts.abort_timeout_sec == SPDK_NVMF_TCP_DEFAULT_ABORT_TIMEOUT_SEC);
783 	CU_ASSERT(transport.opts.transport_specific == NULL);
784 
785 	rc = nvmf_tcp_qpair_init(&tqpair->qpair);
786 	CU_ASSERT(rc == 0);
787 	CU_ASSERT(tqpair->host_hdgst_enable == true);
788 	CU_ASSERT(tqpair->host_ddgst_enable == true);
789 
790 	rc = nvmf_tcp_qpair_init_mem_resource(tqpair);
791 	CU_ASSERT(rc == 0);
792 	CU_ASSERT(tqpair->resource_count == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
793 	CU_ASSERT(tqpair->reqs != NULL);
794 	CU_ASSERT(tqpair->bufs != NULL);
795 	CU_ASSERT(tqpair->pdus != NULL);
796 	/* Just to check the first and last entry */
797 	CU_ASSERT(tqpair->reqs[0].ttag == 1);
798 	CU_ASSERT(tqpair->reqs[0].req.qpair == &tqpair->qpair);
799 	CU_ASSERT(tqpair->reqs[0].pdu == &tqpair->pdus[0]);
800 	CU_ASSERT(tqpair->reqs[0].pdu->qpair == &tqpair->qpair);
801 	CU_ASSERT(tqpair->reqs[0].buf == (void *)((uintptr_t)tqpair->bufs));
802 	CU_ASSERT(tqpair->reqs[0].req.rsp == (void *)&tqpair->reqs[0].rsp);
803 	CU_ASSERT(tqpair->reqs[0].req.cmd == (void *)&tqpair->reqs[0].cmd);
804 	CU_ASSERT(tqpair->reqs[0].state == TCP_REQUEST_STATE_FREE);
805 	CU_ASSERT(tqpair->reqs[127].ttag == 128);
806 	CU_ASSERT(tqpair->reqs[127].req.qpair == &tqpair->qpair);
807 	CU_ASSERT(tqpair->reqs[127].pdu == &tqpair->pdus[127]);
808 	CU_ASSERT(tqpair->reqs[127].pdu->qpair == &tqpair->qpair);
809 	CU_ASSERT(tqpair->reqs[127].buf == (void *)((uintptr_t)tqpair->bufs) + 127 * 4096);
810 	CU_ASSERT(tqpair->reqs[127].req.rsp == (void *)&tqpair->reqs[127].rsp);
811 	CU_ASSERT(tqpair->reqs[127].req.cmd == (void *)&tqpair->reqs[127].cmd);
812 	CU_ASSERT(tqpair->reqs[127].state == TCP_REQUEST_STATE_FREE);
813 	CU_ASSERT(tqpair->state_cntr[TCP_REQUEST_STATE_FREE] == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
814 	CU_ASSERT(tqpair->mgmt_pdu == &tqpair->pdus[2 * SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH]);
815 	CU_ASSERT(tqpair->mgmt_pdu->qpair == tqpair);
816 	CU_ASSERT(tqpair->pdu_in_progress ==
817 		  &tqpair->pdus[2 * SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH - 1]);
818 	CU_ASSERT(tqpair->recv_buf_size == (4096 + sizeof(struct spdk_nvme_tcp_cmd) + 2 *
819 					    SPDK_NVME_TCP_DIGEST_LEN) * SPDK_NVMF_TCP_RECV_BUF_SIZE_FACTOR);
820 
821 	/* Free all of tqpair resource */
822 	nvmf_tcp_qpair_destroy(tqpair);
823 
824 	spdk_thread_exit(thread);
825 	while (!spdk_thread_is_exited(thread)) {
826 		spdk_thread_poll(thread, 0, 0);
827 	}
828 	spdk_thread_destroy(thread);
829 }
830 
831 static void
832 test_nvmf_tcp_send_c2h_term_req(void)
833 {
834 	struct spdk_nvmf_tcp_qpair tqpair = {};
835 	struct nvme_tcp_pdu pdu = {}, mgmt_pdu = {}, pdu_in_progress = {};
836 	enum spdk_nvme_tcp_term_req_fes fes = SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD;
837 	uint32_t error_offset = 1;
838 
839 	mgmt_pdu.qpair = &tqpair;
840 	tqpair.mgmt_pdu = &mgmt_pdu;
841 	tqpair.pdu_in_progress = &pdu_in_progress;
842 	tqpair.tcp_pdu_working_count = 1;
843 
844 	/* case1: hlen < SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE, Expect: copy_len == hlen */
845 	pdu.hdr.common.hlen = 64;
846 	nvmf_tcp_send_c2h_term_req(&tqpair, &pdu, fes, error_offset);
847 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
848 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
849 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
850 		  pdu.hdr.common.hlen);
851 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
852 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fes == SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD);
853 
854 	/* case2: hlen > SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE, Expect: copy_len == SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE */
855 	pdu.hdr.common.hlen = 255;
856 	nvmf_tcp_send_c2h_term_req(&tqpair, &pdu, fes, error_offset);
857 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
858 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
859 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == (unsigned)
860 		  tqpair.mgmt_pdu->hdr.term_req.common.hlen + SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
861 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
862 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fes == SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD);
863 }
864 
865 static void
866 test_nvmf_tcp_send_capsule_resp_pdu(void)
867 {
868 	struct spdk_nvmf_tcp_req tcp_req = {};
869 	struct spdk_nvmf_tcp_qpair tqpair = {};
870 	struct nvme_tcp_pdu pdu = {};
871 
872 	tcp_req.pdu_in_use = false;
873 	tcp_req.req.qpair = &tqpair.qpair;
874 	tcp_req.pdu = &pdu;
875 	tcp_req.req.rsp = (union nvmf_c2h_msg *)&tcp_req.rsp;
876 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
877 	tqpair.host_hdgst_enable = true;
878 
879 	nvmf_tcp_send_capsule_resp_pdu(&tcp_req, &tqpair);
880 	CU_ASSERT(pdu.hdr.capsule_resp.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP);
881 	CU_ASSERT(pdu.hdr.capsule_resp.common.plen == sizeof(struct spdk_nvme_tcp_rsp) +
882 		  SPDK_NVME_TCP_DIGEST_LEN);
883 	CU_ASSERT(pdu.hdr.capsule_resp.common.hlen == sizeof(struct spdk_nvme_tcp_rsp));
884 	CU_ASSERT(!memcmp(&pdu.hdr.capsule_resp.rccqe, &tcp_req.req.rsp->nvme_cpl,
885 			  sizeof(struct spdk_nvme_cpl)));
886 	CU_ASSERT(pdu.hdr.capsule_resp.common.flags & SPDK_NVME_TCP_CH_FLAGS_HDGSTF);
887 	CU_ASSERT(pdu.cb_fn == nvmf_tcp_request_free);
888 	CU_ASSERT(pdu.cb_arg == &tcp_req);
889 	CU_ASSERT(pdu.iov[0].iov_base == &pdu.hdr.raw);
890 	CU_ASSERT(pdu.iov[0].iov_len == sizeof(struct spdk_nvme_tcp_rsp) + SPDK_NVME_TCP_DIGEST_LEN);
891 
892 	/* hdgst disable */
893 	tqpair.host_hdgst_enable = false;
894 	tcp_req.pdu_in_use = false;
895 	memset(&pdu, 0, sizeof(pdu));
896 
897 	nvmf_tcp_send_capsule_resp_pdu(&tcp_req, &tqpair);
898 	CU_ASSERT(pdu.hdr.capsule_resp.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP);
899 	CU_ASSERT(pdu.hdr.capsule_resp.common.plen == sizeof(struct spdk_nvme_tcp_rsp));
900 	CU_ASSERT(pdu.hdr.capsule_resp.common.hlen == sizeof(struct spdk_nvme_tcp_rsp));
901 	CU_ASSERT(!memcmp(&pdu.hdr.capsule_resp.rccqe, &tcp_req.req.rsp->nvme_cpl,
902 			  sizeof(struct spdk_nvme_cpl)));
903 	CU_ASSERT(!(pdu.hdr.capsule_resp.common.flags & SPDK_NVME_TCP_CH_FLAGS_HDGSTF));
904 	CU_ASSERT(pdu.cb_fn == nvmf_tcp_request_free);
905 	CU_ASSERT(pdu.cb_arg == &tcp_req);
906 	CU_ASSERT(pdu.iov[0].iov_base == &pdu.hdr.raw);
907 	CU_ASSERT(pdu.iov[0].iov_len == sizeof(struct spdk_nvme_tcp_rsp));
908 }
909 
910 static void
911 test_nvmf_tcp_icreq_handle(void)
912 {
913 	struct spdk_nvmf_tcp_transport ttransport = {};
914 	struct spdk_nvmf_tcp_qpair tqpair = {};
915 	struct nvme_tcp_pdu pdu = {};
916 	struct nvme_tcp_pdu mgmt_pdu = {};
917 	struct nvme_tcp_pdu pdu_in_progress = {};
918 	struct spdk_nvme_tcp_ic_resp *ic_resp;
919 
920 	mgmt_pdu.qpair = &tqpair;
921 	tqpair.mgmt_pdu = &mgmt_pdu;
922 	tqpair.pdu_in_progress = &pdu_in_progress;
923 	tqpair.tcp_pdu_working_count = 1;
924 
925 	/* case 1: Expected ICReq PFV 0 and got are different. */
926 	pdu.hdr.ic_req.pfv = 1;
927 
928 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
929 
930 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
931 
932 	/* case 2: Expected ICReq HPDA in range 0-31 and got are different. */
933 	pdu.hdr.ic_req.hpda = SPDK_NVME_TCP_HPDA_MAX + 1;
934 
935 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
936 
937 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
938 
939 	/* case 3: Expect: PASS.  */
940 	ttransport.transport.opts.max_io_size = 32;
941 	pdu.hdr.ic_req.pfv = 0;
942 	tqpair.host_hdgst_enable = false;
943 	tqpair.host_ddgst_enable = false;
944 	tqpair.recv_buf_size = 64;
945 	pdu.hdr.ic_req.hpda = 16;
946 
947 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
948 
949 	ic_resp = &tqpair.mgmt_pdu->hdr.ic_resp;
950 	CU_ASSERT(tqpair.recv_buf_size == MIN_SOCK_PIPE_SIZE);
951 	CU_ASSERT(tqpair.cpda == pdu.hdr.ic_req.hpda);
952 	CU_ASSERT(ic_resp->common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_IC_RESP);
953 	CU_ASSERT(ic_resp->common.hlen == sizeof(struct spdk_nvme_tcp_ic_resp));
954 	CU_ASSERT(ic_resp->common.plen ==  sizeof(struct spdk_nvme_tcp_ic_resp));
955 	CU_ASSERT(ic_resp->pfv == 0);
956 	CU_ASSERT(ic_resp->cpda == tqpair.cpda);
957 	CU_ASSERT(ic_resp->maxh2cdata == ttransport.transport.opts.max_io_size);
958 	CU_ASSERT(ic_resp->dgst.bits.hdgst_enable == 0);
959 	CU_ASSERT(ic_resp->dgst.bits.ddgst_enable == 0);
960 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_READY);
961 }
962 
963 static void
964 test_nvmf_tcp_check_xfer_type(void)
965 {
966 	const uint16_t cid = 0xAA;
967 	struct spdk_nvmf_tcp_transport ttransport = {};
968 	struct spdk_nvmf_tcp_qpair tqpair = {};
969 	struct nvme_tcp_pdu pdu_in_progress = {};
970 	union nvmf_c2h_msg rsp0 = {};
971 
972 	struct spdk_nvmf_tcp_req tcp_req = {};
973 	struct nvme_tcp_pdu rsp_pdu = {};
974 
975 	struct spdk_nvme_tcp_cmd *capsule_data;
976 	struct spdk_nvme_sgl_descriptor *sgl;
977 
978 	struct spdk_nvmf_transport_poll_group *group;
979 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
980 	struct spdk_sock_group grp = {};
981 
982 	tqpair.pdu_in_progress = &pdu_in_progress;
983 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
984 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
985 
986 	tcp_group.sock_group = &grp;
987 	TAILQ_INIT(&tcp_group.qpairs);
988 	group = &tcp_group.group;
989 	group->transport = &ttransport.transport;
990 	STAILQ_INIT(&group->pending_buf_queue);
991 	tqpair.group = &tcp_group;
992 
993 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
994 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
995 
996 	tqpair.qpair.transport = &ttransport.transport;
997 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
998 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
999 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ENABLED;
1000 
1001 	/* init tcp_req */
1002 	tcp_req.req.qpair = &tqpair.qpair;
1003 	tcp_req.pdu = &rsp_pdu;
1004 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
1005 	tcp_req.req.rsp = &rsp0;
1006 	tcp_req.state = TCP_REQUEST_STATE_NEW;
1007 
1008 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req, state_link);
1009 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
1010 
1011 	/* init pdu, make pdu need sgl buff */
1012 	capsule_data = &tqpair.pdu_in_progress->hdr.capsule_cmd;
1013 	sgl = &capsule_data->ccsqe.dptr.sgl1;
1014 
1015 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1016 	capsule_data->common.hlen = sizeof(*capsule_data);
1017 	capsule_data->common.plen = 1096;
1018 	capsule_data->ccsqe.opc = 0x10 | SPDK_NVME_DATA_BIDIRECTIONAL;
1019 	/* Need to set to a non zero valid to check it gets copied to the response */
1020 	capsule_data->ccsqe.cid = cid;
1021 
1022 	/* Set up SGL to ensure nvmf_tcp_req_parse_sgl returns an error */
1023 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
1024 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
1025 	sgl->unkeyed.length = UT_IO_UNIT_SIZE;
1026 
1027 	/* Process a command and ensure that it fails and the request is set up to return an error */
1028 	nvmf_tcp_req_process(&ttransport, &tcp_req);
1029 	CU_ASSERT(STAILQ_EMPTY(&group->pending_buf_queue));
1030 	CU_ASSERT(tcp_req.state == TCP_REQUEST_STATE_TRANSFERRING_CONTROLLER_TO_HOST);
1031 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_READY);
1032 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.cid == cid);
1033 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.status.sct == SPDK_NVME_SCT_GENERIC);
1034 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.status.sc == SPDK_NVME_SC_INVALID_OPCODE);
1035 }
1036 
1037 static void
1038 test_nvmf_tcp_invalid_sgl(void)
1039 {
1040 	const uint16_t cid = 0xAABB;
1041 	struct spdk_nvmf_tcp_transport ttransport = {};
1042 	struct spdk_nvmf_tcp_qpair tqpair = {};
1043 	struct nvme_tcp_pdu pdu_in_progress = {};
1044 	union nvmf_c2h_msg rsp0 = {};
1045 
1046 	struct spdk_nvmf_tcp_req tcp_req = {};
1047 	struct nvme_tcp_pdu rsp_pdu = {};
1048 	struct nvme_tcp_pdu mgmt_pdu = {};
1049 
1050 	struct spdk_nvme_tcp_cmd *capsule_data;
1051 	struct spdk_nvme_sgl_descriptor *sgl;
1052 
1053 	struct spdk_nvmf_transport_poll_group *group;
1054 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
1055 	struct spdk_sock_group grp = {};
1056 
1057 	tqpair.pdu_in_progress = &pdu_in_progress;
1058 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
1059 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
1060 
1061 	tcp_group.sock_group = &grp;
1062 	TAILQ_INIT(&tcp_group.qpairs);
1063 	group = &tcp_group.group;
1064 	group->transport = &ttransport.transport;
1065 	STAILQ_INIT(&group->pending_buf_queue);
1066 	tqpair.group = &tcp_group;
1067 
1068 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
1069 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
1070 
1071 	tqpair.qpair.transport = &ttransport.transport;
1072 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1073 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
1074 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ENABLED;
1075 
1076 	/* init tcp_req */
1077 	tcp_req.req.qpair = &tqpair.qpair;
1078 	tcp_req.pdu = &rsp_pdu;
1079 	tcp_req.pdu->qpair = &tqpair;
1080 	tqpair.mgmt_pdu = &mgmt_pdu;
1081 	tqpair.mgmt_pdu->qpair = &tqpair;
1082 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
1083 	tcp_req.req.rsp = &rsp0;
1084 	tcp_req.state = TCP_REQUEST_STATE_NEW;
1085 
1086 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req, state_link);
1087 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
1088 
1089 	/* init pdu, make pdu need sgl buff */
1090 	capsule_data = &tqpair.pdu_in_progress->hdr.capsule_cmd;
1091 	sgl = &capsule_data->ccsqe.dptr.sgl1;
1092 
1093 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1094 	capsule_data->common.hlen = sizeof(*capsule_data);
1095 	capsule_data->common.plen = 1096;
1096 	capsule_data->ccsqe.opc = SPDK_NVME_OPC_WRITE;
1097 	/* Need to set to a non zero valid to check it gets copied to the response */
1098 	capsule_data->ccsqe.cid = cid;
1099 
1100 	/* Set up SGL to ensure nvmf_tcp_req_parse_sgl returns an error */
1101 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
1102 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
1103 	sgl->unkeyed.length = UT_MAX_IO_SIZE + 1;
1104 
1105 	/* Process a command and ensure that it fails and the request is set up to return an error */
1106 	nvmf_tcp_req_process(&ttransport, &tcp_req);
1107 	CU_ASSERT(!STAILQ_EMPTY(&group->pending_buf_queue));
1108 	CU_ASSERT(tcp_req.state == TCP_REQUEST_STATE_NEED_BUFFER);
1109 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1110 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1111 }
1112 
1113 static void
1114 test_nvmf_tcp_pdu_ch_handle(void)
1115 {
1116 	struct spdk_nvmf_tcp_qpair tqpair = {};
1117 	struct nvme_tcp_pdu mgmt_pdu = {}, pdu_in_progress = {};
1118 
1119 	mgmt_pdu.qpair = &tqpair;
1120 	tqpair.mgmt_pdu = &mgmt_pdu;
1121 	tqpair.pdu_in_progress = &pdu_in_progress;
1122 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1123 	tqpair.cpda = 0;
1124 
1125 	/* Test case: Already received ICreq PDU. Expect: fail */
1126 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1127 	tqpair.state = NVME_TCP_QPAIR_STATE_INITIALIZING;
1128 	nvmf_tcp_pdu_ch_handle(&tqpair);
1129 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1130 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1131 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1132 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1133 
1134 	/* Test case: Expected PDU header length and received are different. Expect: fail */
1135 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1136 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1137 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1138 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1139 	tqpair.pdu_in_progress->hdr.common.hlen = 0;
1140 	nvmf_tcp_pdu_ch_handle(&tqpair);
1141 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1142 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1143 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1144 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1145 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 2);
1146 
1147 	/* Test case: The TCP/IP tqpair connection is not negotitated. Expect: fail */
1148 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1149 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_RESP;
1150 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1151 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1152 	tqpair.pdu_in_progress->hdr.common.hlen = 0;
1153 	nvmf_tcp_pdu_ch_handle(&tqpair);
1154 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1155 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1156 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1157 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1158 
1159 	/* Test case: Unexpected PDU type. Expect: fail */
1160 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1161 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP;
1162 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1163 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1164 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1165 	nvmf_tcp_pdu_ch_handle(&tqpair);
1166 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1167 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1168 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1169 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1170 		  (unsigned)SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
1171 
1172 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_IC_REQ, let plen error. Expect: fail */
1173 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1174 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1175 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1176 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1177 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1178 	nvmf_tcp_pdu_ch_handle(&tqpair);
1179 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1180 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1181 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1182 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1183 		  (unsigned)SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
1184 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1185 
1186 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD, let plen error. Expect: fail */
1187 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1188 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1189 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1190 	tqpair.pdu_in_progress->hdr.common.flags = SPDK_NVME_TCP_CH_FLAGS_HDGSTF;
1191 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1192 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_cmd);
1193 	nvmf_tcp_pdu_ch_handle(&tqpair);
1194 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1195 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1196 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1197 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == sizeof(struct spdk_nvme_tcp_cmd) + sizeof(
1198 			  struct spdk_nvme_tcp_term_req_hdr));
1199 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1200 
1201 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_DATA, let plen error. Expect: fail */
1202 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1203 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_DATA;
1204 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1205 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1206 	tqpair.pdu_in_progress->hdr.common.pdo = 64;
1207 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_h2c_data_hdr);
1208 	nvmf_tcp_pdu_ch_handle(&tqpair);
1209 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1210 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1211 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1212 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1213 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1214 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1215 
1216 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_TERM_REQ, let plen error. Expect: fail */
1217 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1218 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_TERM_REQ;
1219 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1220 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1221 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_term_req_hdr);
1222 	nvmf_tcp_pdu_ch_handle(&tqpair);
1223 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1224 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1225 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1226 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1227 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1228 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1229 
1230 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD, let pdo error. Expect: fail */
1231 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1232 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1233 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1234 	tqpair.cpda = 1;
1235 	tqpair.pdu_in_progress->hdr.common.flags = SPDK_NVME_TCP_CH_FLAGS_HDGSTF;
1236 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1237 	tqpair.pdu_in_progress->hdr.common.pdo = 63;
1238 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_cmd);
1239 	nvmf_tcp_pdu_ch_handle(&tqpair);
1240 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1241 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1242 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1243 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == sizeof(struct spdk_nvme_tcp_cmd) + sizeof(
1244 			  struct spdk_nvme_tcp_term_req_hdr));
1245 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 3);
1246 
1247 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_DATA, let pdo error. Expect: fail */
1248 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1249 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_DATA;
1250 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1251 	tqpair.cpda = 1;
1252 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1253 	tqpair.pdu_in_progress->hdr.common.pdo = 63;
1254 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_h2c_data_hdr);
1255 	nvmf_tcp_pdu_ch_handle(&tqpair);
1256 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1257 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1258 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1259 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1260 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1261 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 3);
1262 
1263 	/* Test case: All parameters is conformed to the function. Expect: PASS */
1264 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1265 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1266 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1267 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1268 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1269 	nvmf_tcp_pdu_ch_handle(&tqpair);
1270 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH);
1271 	CU_ASSERT(tqpair.pdu_in_progress->psh_len == tqpair.pdu_in_progress->hdr.common.hlen - sizeof(
1272 			  struct spdk_nvme_tcp_common_pdu_hdr));
1273 }
1274 
1275 static void
1276 test_nvmf_tcp_tls_add_remove_credentials(void)
1277 {
1278 	struct spdk_thread *thread;
1279 	struct spdk_nvmf_transport *transport;
1280 	struct spdk_nvmf_tcp_transport *ttransport;
1281 	struct spdk_nvmf_transport_opts opts;
1282 	struct spdk_nvmf_subsystem subsystem;
1283 	struct tcp_psk_entry *entry;
1284 	const char subnqn[] = {"nqn.2016-06.io.spdk:cnode1"};
1285 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1286 	const char *psk = "NVMeTLSkey-1:01:VRLbtnN9AQb2WXW3c9+wEf/DRLz0QuLdbYvEhwtdWwNf9LrZ:";
1287 	char *psk_file_path = "/tmp/psk.txt";
1288 	bool found = false;
1289 	FILE *psk_file = NULL;
1290 	mode_t oldmask;
1291 
1292 	thread = spdk_thread_create(NULL, NULL);
1293 	SPDK_CU_ASSERT_FATAL(thread != NULL);
1294 	spdk_set_thread(thread);
1295 
1296 	memset(&opts, 0, sizeof(opts));
1297 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
1298 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
1299 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
1300 	opts.max_io_size = UT_MAX_IO_SIZE;
1301 	opts.io_unit_size = UT_IO_UNIT_SIZE;
1302 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
1303 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
1304 	transport = nvmf_tcp_create(&opts);
1305 
1306 	memset(&subsystem, 0, sizeof(subsystem));
1307 	snprintf(subsystem.subnqn, sizeof(subsystem.subnqn), "%s", subnqn);
1308 
1309 	/* Create a text file containing PSK in interchange format. */
1310 	oldmask = umask(S_IXUSR | S_IRWXG | S_IRWXO);
1311 	psk_file = fopen(psk_file_path, "w");
1312 	CU_ASSERT(psk_file != NULL);
1313 	CU_ASSERT(fprintf(psk_file, "%s", psk) > 0);
1314 	CU_ASSERT(fclose(psk_file) == 0);
1315 	umask(oldmask);
1316 
1317 	struct spdk_json_val psk_json[] = {
1318 		{"", 2, SPDK_JSON_VAL_OBJECT_BEGIN},
1319 		{"psk", 3, SPDK_JSON_VAL_NAME},
1320 		{psk_file_path, strlen(psk_file_path), SPDK_JSON_VAL_STRING},
1321 		{"", 0, SPDK_JSON_VAL_OBJECT_END},
1322 	};
1323 
1324 	nvmf_tcp_subsystem_add_host(transport, &subsystem, hostnqn, psk_json);
1325 
1326 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
1327 	TAILQ_FOREACH(entry, &ttransport->psks, link) {
1328 		if ((strcmp(subnqn, entry->subnqn) == 0) &&
1329 		    (strcmp(hostnqn, entry->hostnqn) == 0)) {
1330 			found = true;
1331 		}
1332 	}
1333 
1334 	CU_ASSERT(found == true);
1335 	found = false;
1336 
1337 	nvmf_tcp_subsystem_remove_host(transport, &subsystem, hostnqn);
1338 
1339 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
1340 	TAILQ_FOREACH(entry, &ttransport->psks, link) {
1341 		if ((strcmp(subnqn, entry->subnqn) == 0) &&
1342 		    (strcmp(hostnqn, entry->hostnqn) == 0)) {
1343 			found = true;
1344 		}
1345 	}
1346 
1347 	CU_ASSERT(found == false);
1348 
1349 	CU_ASSERT(remove(psk_file_path) == 0);
1350 
1351 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
1352 
1353 	spdk_thread_exit(thread);
1354 	while (!spdk_thread_is_exited(thread)) {
1355 		spdk_thread_poll(thread, 0, 0);
1356 	}
1357 	spdk_thread_destroy(thread);
1358 }
1359 
1360 static void
1361 test_nvmf_tcp_tls_generate_psk_id(void)
1362 {
1363 	const char psk_id_reference[] = {"NVMe0R01 nqn.2016-06.io.spdk:host1 nqn.2016-06.io.spdk:cnode1"};
1364 	const char subnqn[] = {"nqn.2016-06.io.spdk:cnode1"};
1365 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1366 	char psk_id[NVMF_PSK_IDENTITY_LEN] = {};
1367 	char too_small_psk_id[5] = {};
1368 
1369 	/* Check if we can generate expected PSK id. */
1370 	CU_ASSERT(nvme_tcp_generate_psk_identity(psk_id, NVMF_PSK_IDENTITY_LEN, hostnqn,
1371 			subnqn, NVME_TCP_CIPHER_AES_128_GCM_SHA256) == 0);
1372 	CU_ASSERT(strcmp(psk_id, psk_id_reference) == 0);
1373 
1374 	/* Test with a buffer that is too small to fit PSK id. */
1375 	CU_ASSERT(nvme_tcp_generate_psk_identity(too_small_psk_id, sizeof(too_small_psk_id), hostnqn,
1376 			subnqn, NVME_TCP_CIPHER_AES_128_GCM_SHA256) != 0);
1377 
1378 	/* Test with unknown cipher suite. */
1379 	CU_ASSERT(nvme_tcp_generate_psk_identity(psk_id, NVMF_PSK_IDENTITY_LEN, hostnqn,
1380 			subnqn, UINT8_MAX) != 0);
1381 }
1382 
1383 static void
1384 test_nvmf_tcp_tls_generate_retained_psk(void)
1385 {
1386 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1387 	const char psk_reference1[] = {"1234567890ABCDEF"};
1388 	const char psk_reference2[] = {"FEDCBA0987654321"};
1389 	uint8_t unhexlified_str1[SPDK_TLS_PSK_MAX_LEN] = {};
1390 	uint8_t unhexlified_str2[SPDK_TLS_PSK_MAX_LEN] = {};
1391 	char *unhexlified1;
1392 	char *unhexlified2;
1393 	uint8_t psk_retained1[SPDK_TLS_PSK_MAX_LEN] = {};
1394 	uint8_t psk_retained2[SPDK_TLS_PSK_MAX_LEN] = {};
1395 	uint8_t too_small_psk_retained[5] = {};
1396 	int psk_retained_len1, psk_retained_len2;
1397 	int retained_size;
1398 
1399 	unhexlified1 = spdk_unhexlify(psk_reference1);
1400 	SPDK_CU_ASSERT_FATAL(unhexlified1 != NULL);
1401 	unhexlified2 = spdk_unhexlify(psk_reference2);
1402 	SPDK_CU_ASSERT_FATAL(unhexlified2 != NULL);
1403 
1404 	memcpy(unhexlified_str1, unhexlified1, strlen(psk_reference1) / 2);
1405 	memcpy(unhexlified_str2, unhexlified2, strlen(psk_reference2) / 2);
1406 	free(unhexlified1);
1407 	free(unhexlified2);
1408 
1409 	/* Make sure that retained PSKs are different with different input PSKs and the same hash. */
1410 	retained_size = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1411 			psk_retained1, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1412 	CU_ASSERT(retained_size > 0);
1413 
1414 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str2, strlen(psk_reference2) / 2, hostnqn,
1415 					       psk_retained2,
1416 					       SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256) > 0);
1417 	CU_ASSERT(memcmp(psk_retained1, psk_retained2, retained_size) != 0);
1418 
1419 	/* Make sure that retained PSKs are different with different hash and the same input PSKs. */
1420 	psk_retained_len1 = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2,
1421 			    hostnqn, psk_retained1, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1422 	CU_ASSERT(psk_retained_len1 > 0);
1423 	psk_retained_len2 = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2,
1424 			    hostnqn, psk_retained2, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA384);
1425 	CU_ASSERT(psk_retained_len2 > 0);
1426 	CU_ASSERT(psk_retained_len1 < psk_retained_len2);
1427 
1428 	/* Make sure that passing unknown value as hash errors out the function. */
1429 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1430 					       psk_retained1, SPDK_TLS_PSK_MAX_LEN, -1) < 0);
1431 
1432 	/* Make sure that passing buffer insufficient in size errors out the function. */
1433 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1434 					       too_small_psk_retained, sizeof(too_small_psk_retained), NVME_TCP_HASH_ALGORITHM_SHA256) < 0);
1435 }
1436 
1437 static void
1438 test_nvmf_tcp_tls_generate_tls_psk(void)
1439 {
1440 	const char psk_id_reference[] = {"NVMe0R01 nqn.2016-06.io.spdk:host1 nqn.2016-06.io.spdk:cnode1"};
1441 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1442 	const char psk_reference[] = {"1234567890ABCDEF"};
1443 	char *unhexlified;
1444 	uint8_t unhexlified_str[SPDK_TLS_PSK_MAX_LEN] = {};
1445 	uint8_t psk_retained[SPDK_TLS_PSK_MAX_LEN] = {};
1446 	uint8_t psk_key1[SPDK_TLS_PSK_MAX_LEN] = {}, psk_key2[SPDK_TLS_PSK_MAX_LEN] = {};
1447 	uint8_t too_small_psk_tls[5] = {};
1448 	int retained_size, tls_size;
1449 
1450 	unhexlified = spdk_unhexlify(psk_reference);
1451 	CU_ASSERT(unhexlified != NULL);
1452 
1453 	memcpy(unhexlified_str, unhexlified, strlen(psk_reference) / 2);
1454 	free(unhexlified);
1455 
1456 	retained_size = nvme_tcp_derive_retained_psk(unhexlified_str, strlen(psk_reference) / 2, hostnqn,
1457 			psk_retained, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1458 	CU_ASSERT(retained_size > 0);
1459 
1460 	/* Make sure that different cipher suites produce different TLS PSKs. */
1461 	tls_size = nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference, psk_key1,
1462 					   SPDK_TLS_PSK_MAX_LEN, NVME_TCP_CIPHER_AES_128_GCM_SHA256);
1463 	CU_ASSERT(tls_size > 0);
1464 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference, psk_key2,
1465 					  SPDK_TLS_PSK_MAX_LEN, NVME_TCP_CIPHER_AES_256_GCM_SHA384) > 0);
1466 	CU_ASSERT(memcmp(psk_key1, psk_key2, tls_size) != 0);
1467 
1468 	/* Make sure that passing unknown value as hash errors out the function. */
1469 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference,
1470 					  psk_key1, SPDK_TLS_PSK_MAX_LEN, UINT8_MAX) < 0);
1471 
1472 	/* Make sure that passing buffer insufficient in size errors out the function. */
1473 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference,
1474 					  too_small_psk_tls, sizeof(too_small_psk_tls),
1475 					  NVME_TCP_CIPHER_AES_128_GCM_SHA256) < 0);
1476 }
1477 
1478 int
1479 main(int argc, char **argv)
1480 {
1481 	CU_pSuite	suite = NULL;
1482 	unsigned int	num_failures;
1483 
1484 	CU_initialize_registry();
1485 
1486 	suite = CU_add_suite("nvmf", NULL, NULL);
1487 
1488 	CU_ADD_TEST(suite, test_nvmf_tcp_create);
1489 	CU_ADD_TEST(suite, test_nvmf_tcp_destroy);
1490 	CU_ADD_TEST(suite, test_nvmf_tcp_poll_group_create);
1491 	CU_ADD_TEST(suite, test_nvmf_tcp_send_c2h_data);
1492 	CU_ADD_TEST(suite, test_nvmf_tcp_h2c_data_hdr_handle);
1493 	CU_ADD_TEST(suite, test_nvmf_tcp_in_capsule_data_handle);
1494 	CU_ADD_TEST(suite, test_nvmf_tcp_qpair_init_mem_resource);
1495 	CU_ADD_TEST(suite, test_nvmf_tcp_send_c2h_term_req);
1496 	CU_ADD_TEST(suite, test_nvmf_tcp_send_capsule_resp_pdu);
1497 	CU_ADD_TEST(suite, test_nvmf_tcp_icreq_handle);
1498 	CU_ADD_TEST(suite, test_nvmf_tcp_check_xfer_type);
1499 	CU_ADD_TEST(suite, test_nvmf_tcp_invalid_sgl);
1500 	CU_ADD_TEST(suite, test_nvmf_tcp_pdu_ch_handle);
1501 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_add_remove_credentials);
1502 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_psk_id);
1503 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_retained_psk);
1504 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_tls_psk);
1505 
1506 	num_failures = spdk_ut_run_tests(argc, argv, NULL);
1507 	CU_cleanup_registry();
1508 	return num_failures;
1509 }
1510