xref: /spdk/test/unit/lib/nvmf/tcp.c/tcp_ut.c (revision e2916ec13731949a1e4ffefc148ac43bd7f1f11e)
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(spdk_nvme_print_command, (uint16_t qid, struct spdk_nvme_cmd *cmd));
219 DEFINE_STUB_V(spdk_nvme_print_completion, (uint16_t qid, struct spdk_nvme_cpl *cpl));
220 
221 DEFINE_STUB(nvmf_transport_req_free,
222 	    int,
223 	    (struct spdk_nvmf_request *req),
224 	    0);
225 
226 DEFINE_STUB(accel_channel_create, int, (void *io_device, void *ctx_buf), 0);
227 DEFINE_STUB_V(accel_channel_destroy, (void *io_device, void *ctx_buf));
228 DEFINE_STUB(spdk_bdev_reset, int, (struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
229 				   spdk_bdev_io_completion_cb cb, void *cb_arg), 0);
230 DEFINE_STUB_V(spdk_bdev_free_io, (struct spdk_bdev_io *bdev_io));
231 
232 DEFINE_STUB(spdk_bdev_get_max_active_zones, uint32_t,
233 	    (const struct spdk_bdev *bdev), 0);
234 DEFINE_STUB(spdk_bdev_get_max_open_zones, uint32_t,
235 	    (const struct spdk_bdev *bdev), 0);
236 DEFINE_STUB(spdk_bdev_is_zoned, bool, (const struct spdk_bdev *bdev), false);
237 DEFINE_STUB(spdk_bdev_get_zone_size, uint64_t, (const struct spdk_bdev *bdev), 0);
238 
239 DEFINE_STUB(spdk_nvme_ns_get_format_index, uint32_t,
240 	    (const struct spdk_nvme_ns_data *nsdata), 0);
241 
242 DEFINE_STUB(spdk_sock_get_impl_name, const char *, (struct spdk_sock *sock), "");
243 
244 DEFINE_STUB(spdk_nvmf_subsystem_is_discovery, bool, (struct spdk_nvmf_subsystem *subsystem), false);
245 DEFINE_STUB(spdk_nvmf_subsystem_get_nqn, const char *,
246 	    (const struct spdk_nvmf_subsystem *subsystem), NULL);
247 DEFINE_STUB(spdk_keyring_get_key, struct spdk_key *, (const char *name), NULL);
248 DEFINE_STUB_V(spdk_keyring_put_key, (struct spdk_key *k));
249 DEFINE_STUB(spdk_key_get_name, const char *, (struct spdk_key *k), NULL);
250 DEFINE_STUB(spdk_key_get_key, int, (struct spdk_key *k, void *buf, int len), 1);
251 
252 DEFINE_STUB(nvmf_ns_is_ptpl_capable, bool, (const struct spdk_nvmf_ns *ns), false);
253 
254 struct spdk_io_channel *
255 spdk_accel_get_io_channel(void)
256 {
257 	return spdk_get_io_channel(g_accel_p);
258 }
259 
260 DEFINE_STUB(spdk_accel_submit_crc32cv,
261 	    int,
262 	    (struct spdk_io_channel *ch, uint32_t *dst, struct iovec *iovs,
263 	     uint32_t iovcnt, uint32_t seed, spdk_accel_completion_cb cb_fn, void *cb_arg),
264 	    0);
265 
266 DEFINE_STUB(spdk_nvmf_bdev_ctrlr_nvme_passthru_admin,
267 	    int,
268 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
269 	     struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
270 	     spdk_nvmf_nvme_passthru_cmd_cb cb_fn),
271 	    0)
272 
273 struct spdk_bdev {
274 	int ut_mock;
275 	uint64_t blockcnt;
276 };
277 
278 int
279 spdk_nvme_transport_id_compare(const struct spdk_nvme_transport_id *trid1,
280 			       const struct spdk_nvme_transport_id *trid2)
281 {
282 	return 0;
283 }
284 
285 const char *
286 spdk_nvme_transport_id_trtype_str(enum spdk_nvme_transport_type trtype)
287 {
288 	switch (trtype) {
289 	case SPDK_NVME_TRANSPORT_PCIE:
290 		return "PCIe";
291 	case SPDK_NVME_TRANSPORT_RDMA:
292 		return "RDMA";
293 	case SPDK_NVME_TRANSPORT_FC:
294 		return "FC";
295 	default:
296 		return NULL;
297 	}
298 }
299 
300 int
301 spdk_nvme_transport_id_populate_trstring(struct spdk_nvme_transport_id *trid, const char *trstring)
302 {
303 	int len, i;
304 
305 	if (trstring == NULL) {
306 		return -EINVAL;
307 	}
308 
309 	len = strnlen(trstring, SPDK_NVMF_TRSTRING_MAX_LEN);
310 	if (len == SPDK_NVMF_TRSTRING_MAX_LEN) {
311 		return -EINVAL;
312 	}
313 
314 	/* cast official trstring to uppercase version of input. */
315 	for (i = 0; i < len; i++) {
316 		trid->trstring[i] = toupper(trstring[i]);
317 	}
318 	return 0;
319 }
320 
321 int
322 spdk_nvmf_request_get_buffers(struct spdk_nvmf_request *req,
323 			      struct spdk_nvmf_transport_poll_group *group,
324 			      struct spdk_nvmf_transport *transport,
325 			      uint32_t length)
326 {
327 	/* length more than 1 io unit length will fail. */
328 	if (length >= transport->opts.io_unit_size) {
329 		return -EINVAL;
330 	}
331 
332 	req->iovcnt = 1;
333 	req->iov[0].iov_base = (void *)0xDEADBEEF;
334 
335 	return 0;
336 }
337 
338 
339 void
340 nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
341 			    bool dif_insert_or_strip)
342 {
343 	uint64_t num_blocks;
344 
345 	SPDK_CU_ASSERT_FATAL(ns->bdev != NULL);
346 	num_blocks = ns->bdev->blockcnt;
347 	nsdata->nsze = num_blocks;
348 	nsdata->ncap = num_blocks;
349 	nsdata->nuse = num_blocks;
350 	nsdata->nlbaf = 0;
351 	nsdata->flbas.format = 0;
352 	nsdata->flbas.msb_format = 0;
353 	nsdata->lbaf[0].lbads = spdk_u32log2(512);
354 }
355 
356 const char *
357 spdk_nvmf_subsystem_get_sn(const struct spdk_nvmf_subsystem *subsystem)
358 {
359 	return subsystem->sn;
360 }
361 
362 const char *
363 spdk_nvmf_subsystem_get_mn(const struct spdk_nvmf_subsystem *subsystem)
364 {
365 	return subsystem->mn;
366 }
367 
368 static void
369 test_nvmf_tcp_create(void)
370 {
371 	struct spdk_thread *thread;
372 	struct spdk_nvmf_transport *transport;
373 	struct spdk_nvmf_tcp_transport *ttransport;
374 	struct spdk_nvmf_transport_opts opts;
375 
376 	thread = spdk_thread_create(NULL, NULL);
377 	SPDK_CU_ASSERT_FATAL(thread != NULL);
378 	spdk_set_thread(thread);
379 
380 	/* case 1 */
381 	memset(&opts, 0, sizeof(opts));
382 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
383 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
384 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
385 	opts.max_io_size = UT_MAX_IO_SIZE;
386 	opts.io_unit_size = UT_IO_UNIT_SIZE;
387 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
388 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
389 	/* expect success */
390 	transport = nvmf_tcp_create(&opts);
391 	CU_ASSERT_PTR_NOT_NULL(transport);
392 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
393 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
394 	transport->opts = opts;
395 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
396 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
397 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
398 	CU_ASSERT(transport->opts.io_unit_size == UT_IO_UNIT_SIZE);
399 	/* destroy transport */
400 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
401 
402 	/* case 2 */
403 	memset(&opts, 0, sizeof(opts));
404 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
405 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
406 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
407 	opts.max_io_size = UT_MAX_IO_SIZE;
408 	opts.io_unit_size = UT_MAX_IO_SIZE + 1;
409 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
410 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
411 	/* expect success */
412 	transport = nvmf_tcp_create(&opts);
413 	CU_ASSERT_PTR_NOT_NULL(transport);
414 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
415 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
416 	transport->opts = opts;
417 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
418 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
419 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
420 	CU_ASSERT(transport->opts.io_unit_size == UT_MAX_IO_SIZE);
421 	/* destroy transport */
422 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
423 
424 	/* case 3 */
425 	memset(&opts, 0, sizeof(opts));
426 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
427 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
428 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
429 	opts.max_io_size = UT_MAX_IO_SIZE;
430 	opts.io_unit_size = 16;
431 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
432 	/* expect fails */
433 	transport = nvmf_tcp_create(&opts);
434 	CU_ASSERT_PTR_NULL(transport);
435 
436 	spdk_thread_exit(thread);
437 	while (!spdk_thread_is_exited(thread)) {
438 		spdk_thread_poll(thread, 0, 0);
439 	}
440 	spdk_thread_destroy(thread);
441 }
442 
443 static void
444 test_nvmf_tcp_destroy(void)
445 {
446 	struct spdk_thread *thread;
447 	struct spdk_nvmf_transport *transport;
448 	struct spdk_nvmf_transport_opts opts;
449 
450 	thread = spdk_thread_create(NULL, NULL);
451 	SPDK_CU_ASSERT_FATAL(thread != NULL);
452 	spdk_set_thread(thread);
453 
454 	/* case 1 */
455 	memset(&opts, 0, sizeof(opts));
456 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
457 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
458 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
459 	opts.max_io_size = UT_MAX_IO_SIZE;
460 	opts.io_unit_size = UT_IO_UNIT_SIZE;
461 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
462 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
463 	transport = nvmf_tcp_create(&opts);
464 	CU_ASSERT_PTR_NOT_NULL(transport);
465 	transport->opts = opts;
466 	/* destroy transport */
467 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
468 
469 	spdk_thread_exit(thread);
470 	while (!spdk_thread_is_exited(thread)) {
471 		spdk_thread_poll(thread, 0, 0);
472 	}
473 	spdk_thread_destroy(thread);
474 }
475 
476 static void
477 init_accel(void)
478 {
479 	spdk_io_device_register(g_accel_p, accel_channel_create, accel_channel_destroy,
480 				sizeof(int), "accel_p");
481 }
482 
483 static void
484 fini_accel(void)
485 {
486 	spdk_io_device_unregister(g_accel_p, NULL);
487 }
488 
489 static void
490 test_nvmf_tcp_poll_group_create(void)
491 {
492 	struct spdk_nvmf_transport *transport;
493 	struct spdk_nvmf_transport_poll_group *group;
494 	struct spdk_nvmf_tcp_poll_group *tgroup;
495 	struct spdk_thread *thread;
496 	struct spdk_nvmf_transport_opts opts;
497 	struct spdk_sock_group grp = {};
498 
499 	thread = spdk_thread_create(NULL, NULL);
500 	SPDK_CU_ASSERT_FATAL(thread != NULL);
501 	spdk_set_thread(thread);
502 
503 	init_accel();
504 
505 	memset(&opts, 0, sizeof(opts));
506 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
507 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
508 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
509 	opts.max_io_size = UT_MAX_IO_SIZE;
510 	opts.io_unit_size = UT_IO_UNIT_SIZE;
511 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
512 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
513 	transport = nvmf_tcp_create(&opts);
514 	CU_ASSERT_PTR_NOT_NULL(transport);
515 	transport->opts = opts;
516 	MOCK_SET(spdk_sock_group_create, &grp);
517 	group = nvmf_tcp_poll_group_create(transport, NULL);
518 	MOCK_CLEAR_P(spdk_sock_group_create);
519 	SPDK_CU_ASSERT_FATAL(group);
520 	if (opts.in_capsule_data_size < SPDK_NVME_TCP_IN_CAPSULE_DATA_MAX_SIZE) {
521 		tgroup = SPDK_CONTAINEROF(group, struct spdk_nvmf_tcp_poll_group, group);
522 		SPDK_CU_ASSERT_FATAL(tgroup->control_msg_list);
523 	}
524 	group->transport = transport;
525 	nvmf_tcp_poll_group_destroy(group);
526 	nvmf_tcp_destroy(transport, NULL, NULL);
527 
528 	fini_accel();
529 	spdk_thread_exit(thread);
530 	while (!spdk_thread_is_exited(thread)) {
531 		spdk_thread_poll(thread, 0, 0);
532 	}
533 	spdk_thread_destroy(thread);
534 }
535 
536 static void
537 test_nvmf_tcp_send_c2h_data(void)
538 {
539 	struct spdk_thread *thread;
540 	struct spdk_nvmf_tcp_transport ttransport = {};
541 	struct spdk_nvmf_tcp_qpair tqpair = {};
542 	struct spdk_nvmf_tcp_req tcp_req = {};
543 	struct nvme_tcp_pdu pdu = {};
544 	struct spdk_nvme_tcp_c2h_data_hdr *c2h_data;
545 
546 	ttransport.tcp_opts.c2h_success = true;
547 	thread = spdk_thread_create(NULL, NULL);
548 	SPDK_CU_ASSERT_FATAL(thread != NULL);
549 	spdk_set_thread(thread);
550 
551 	tcp_req.pdu = &pdu;
552 	tcp_req.req.length = 300;
553 	tcp_req.req.qpair = &tqpair.qpair;
554 
555 	tqpair.qpair.transport = &ttransport.transport;
556 
557 	/* Set qpair state to make unrelated operations NOP */
558 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
559 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
560 
561 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
562 
563 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
564 	tcp_req.req.iov[0].iov_len = 101;
565 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
566 	tcp_req.req.iov[1].iov_len = 100;
567 	tcp_req.req.iov[2].iov_base = (void *)0xC0FFEE;
568 	tcp_req.req.iov[2].iov_len = 99;
569 	tcp_req.req.iovcnt = 3;
570 	tcp_req.req.length = 300;
571 
572 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
573 
574 	c2h_data = &pdu.hdr.c2h_data;
575 	CU_ASSERT(c2h_data->datao == 0);
576 	CU_ASSERT(c2h_data->datal = 300);
577 	CU_ASSERT(c2h_data->common.plen == sizeof(*c2h_data) + 300);
578 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
579 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS);
580 
581 	CU_ASSERT(pdu.data_iovcnt == 3);
582 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
583 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
584 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
585 	CU_ASSERT(pdu.data_iov[1].iov_len == 100);
586 	CU_ASSERT((uint64_t)pdu.data_iov[2].iov_base == 0xC0FFEE);
587 	CU_ASSERT(pdu.data_iov[2].iov_len == 99);
588 
589 	tcp_req.pdu_in_use = false;
590 	tcp_req.rsp.cdw0 = 1;
591 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
592 
593 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
594 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
595 
596 	ttransport.tcp_opts.c2h_success = false;
597 	tcp_req.pdu_in_use = false;
598 	tcp_req.rsp.cdw0 = 0;
599 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
600 
601 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
602 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
603 
604 	tcp_req.pdu_in_use = false;
605 	tcp_req.rsp.cdw0 = 1;
606 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
607 
608 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
609 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
610 
611 	spdk_thread_exit(thread);
612 	while (!spdk_thread_is_exited(thread)) {
613 		spdk_thread_poll(thread, 0, 0);
614 	}
615 	spdk_thread_destroy(thread);
616 }
617 
618 #define NVMF_TCP_PDU_MAX_H2C_DATA_SIZE (128 * 1024)
619 
620 static void
621 test_nvmf_tcp_h2c_data_hdr_handle(void)
622 {
623 	struct spdk_nvmf_tcp_transport ttransport = {};
624 	struct spdk_nvmf_tcp_qpair tqpair = {};
625 	struct nvme_tcp_pdu pdu = {};
626 	struct spdk_nvmf_tcp_req tcp_req = {};
627 	struct spdk_nvme_tcp_h2c_data_hdr *h2c_data;
628 
629 	/* Set qpair state to make unrelated operations NOP */
630 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
631 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
632 	tqpair.resource_count = 1;
633 	tqpair.reqs = &tcp_req;
634 
635 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
636 	tcp_req.req.iov[0].iov_len = 101;
637 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
638 	tcp_req.req.iov[1].iov_len = 99;
639 	tcp_req.req.iovcnt = 2;
640 	tcp_req.req.length = 200;
641 	tcp_req.state = TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER;
642 
643 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
644 	tcp_req.req.cmd->nvme_cmd.cid = 1;
645 	tcp_req.ttag = 1;
646 
647 	h2c_data = &pdu.hdr.h2c_data;
648 	h2c_data->cccid = 1;
649 	h2c_data->ttag = 1;
650 	h2c_data->datao = 0;
651 	h2c_data->datal = 200;
652 
653 	nvmf_tcp_h2c_data_hdr_handle(&ttransport, &tqpair, &pdu);
654 
655 	CU_ASSERT(pdu.data_iovcnt == 2);
656 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
657 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
658 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
659 	CU_ASSERT(pdu.data_iov[1].iov_len == 99);
660 }
661 
662 
663 static void
664 test_nvmf_tcp_in_capsule_data_handle(void)
665 {
666 	struct spdk_nvmf_tcp_transport ttransport = {};
667 	struct spdk_nvmf_tcp_qpair tqpair = {};
668 	struct nvme_tcp_pdu *pdu, pdu_in_progress = {};
669 	union nvmf_c2h_msg rsp0 = {};
670 	union nvmf_c2h_msg rsp = {};
671 
672 	struct spdk_nvmf_request *req_temp = NULL;
673 	struct spdk_nvmf_tcp_req tcp_req2 = {};
674 	struct spdk_nvmf_tcp_req tcp_req1 = {};
675 
676 	struct spdk_nvme_tcp_cmd *capsule_data;
677 	struct spdk_nvmf_capsule_cmd *nvmf_capsule_data;
678 	struct spdk_nvme_sgl_descriptor *sgl;
679 
680 	struct spdk_nvmf_transport_poll_group *group;
681 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
682 	struct spdk_sock_group grp = {};
683 
684 	tqpair.pdu_in_progress = &pdu_in_progress;
685 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
686 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
687 
688 	tcp_group.sock_group = &grp;
689 	TAILQ_INIT(&tcp_group.qpairs);
690 	group = &tcp_group.group;
691 	group->transport = &ttransport.transport;
692 	STAILQ_INIT(&group->pending_buf_queue);
693 	tqpair.group = &tcp_group;
694 
695 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
696 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
697 
698 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_free_queue, &tcp_req2, state_link);
699 	tqpair.state_cntr[TCP_REQUEST_STATE_FREE]++;
700 	tqpair.qpair.transport = &ttransport.transport;
701 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
702 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
703 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
704 
705 	/* init a null tcp_req into tqpair TCP_REQUEST_STATE_FREE queue */
706 	tcp_req2.req.qpair = &tqpair.qpair;
707 	tcp_req2.req.cmd = (union nvmf_h2c_msg *)&tcp_req2.cmd;
708 	tcp_req2.req.rsp = &rsp;
709 
710 	/* init tcp_req1 */
711 	tcp_req1.req.qpair = &tqpair.qpair;
712 	tcp_req1.req.cmd = (union nvmf_h2c_msg *)&tcp_req1.cmd;
713 	tcp_req1.req.rsp = &rsp0;
714 	tcp_req1.state = TCP_REQUEST_STATE_NEW;
715 
716 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req1, state_link);
717 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
718 
719 	/* init pdu, make pdu need sgl buff */
720 	pdu = tqpair.pdu_in_progress;
721 	capsule_data = &pdu->hdr.capsule_cmd;
722 	nvmf_capsule_data = (struct spdk_nvmf_capsule_cmd *)&pdu->hdr.capsule_cmd.ccsqe;
723 	sgl = &capsule_data->ccsqe.dptr.sgl1;
724 
725 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
726 	capsule_data->common.hlen = sizeof(*capsule_data);
727 	capsule_data->common.plen = 1096;
728 	capsule_data->ccsqe.opc = SPDK_NVME_OPC_FABRIC;
729 
730 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
731 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
732 	sgl->unkeyed.length = UT_IO_UNIT_SIZE;
733 
734 	nvmf_capsule_data->fctype = SPDK_NVMF_FABRIC_COMMAND_CONNECT;
735 
736 	/* insert tcp_req1 to pending_buf_queue, And this req takes precedence over the next req. */
737 	nvmf_tcp_req_process(&ttransport, &tcp_req1);
738 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
739 
740 	sgl->unkeyed.length = UT_IO_UNIT_SIZE - 1;
741 
742 	/* process tqpair capsule req. but we still remain req in pending_buff. */
743 	nvmf_tcp_capsule_cmd_hdr_handle(&ttransport, &tqpair, tqpair.pdu_in_progress);
744 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PAYLOAD);
745 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
746 	STAILQ_FOREACH(req_temp, &group->pending_buf_queue, buf_link) {
747 		if (req_temp == &tcp_req2.req) {
748 			break;
749 		}
750 	}
751 	CU_ASSERT(req_temp == NULL);
752 	CU_ASSERT(tqpair.pdu_in_progress->req == (void *)&tcp_req2);
753 }
754 
755 static void
756 test_nvmf_tcp_qpair_init_mem_resource(void)
757 {
758 	int rc;
759 	struct spdk_nvmf_tcp_qpair *tqpair = NULL;
760 	struct spdk_nvmf_transport transport = {};
761 	struct spdk_thread *thread;
762 
763 	thread = spdk_thread_create(NULL, NULL);
764 	SPDK_CU_ASSERT_FATAL(thread != NULL);
765 	spdk_set_thread(thread);
766 
767 	tqpair = calloc(1, sizeof(*tqpair));
768 	tqpair->qpair.transport = &transport;
769 
770 	nvmf_tcp_opts_init(&transport.opts);
771 	CU_ASSERT(transport.opts.max_queue_depth == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
772 	CU_ASSERT(transport.opts.max_qpairs_per_ctrlr == SPDK_NVMF_TCP_DEFAULT_MAX_QPAIRS_PER_CTRLR);
773 	CU_ASSERT(transport.opts.in_capsule_data_size == SPDK_NVMF_TCP_DEFAULT_IN_CAPSULE_DATA_SIZE);
774 	CU_ASSERT(transport.opts.max_io_size ==	SPDK_NVMF_TCP_DEFAULT_MAX_IO_SIZE);
775 	CU_ASSERT(transport.opts.io_unit_size == SPDK_NVMF_TCP_DEFAULT_IO_UNIT_SIZE);
776 	CU_ASSERT(transport.opts.max_aq_depth == SPDK_NVMF_TCP_DEFAULT_MAX_ADMIN_QUEUE_DEPTH);
777 	CU_ASSERT(transport.opts.num_shared_buffers == SPDK_NVMF_TCP_DEFAULT_NUM_SHARED_BUFFERS);
778 	CU_ASSERT(transport.opts.buf_cache_size == SPDK_NVMF_TCP_DEFAULT_BUFFER_CACHE_SIZE);
779 	CU_ASSERT(transport.opts.dif_insert_or_strip ==	SPDK_NVMF_TCP_DEFAULT_DIF_INSERT_OR_STRIP);
780 	CU_ASSERT(transport.opts.abort_timeout_sec == SPDK_NVMF_TCP_DEFAULT_ABORT_TIMEOUT_SEC);
781 	CU_ASSERT(transport.opts.transport_specific == NULL);
782 
783 	rc = nvmf_tcp_qpair_init(&tqpair->qpair);
784 	CU_ASSERT(rc == 0);
785 	CU_ASSERT(tqpair->host_hdgst_enable == true);
786 	CU_ASSERT(tqpair->host_ddgst_enable == true);
787 
788 	rc = nvmf_tcp_qpair_init_mem_resource(tqpair);
789 	CU_ASSERT(rc == 0);
790 	CU_ASSERT(tqpair->resource_count == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
791 	CU_ASSERT(tqpair->reqs != NULL);
792 	CU_ASSERT(tqpair->bufs != NULL);
793 	CU_ASSERT(tqpair->pdus != NULL);
794 	/* Just to check the first and last entry */
795 	CU_ASSERT(tqpair->reqs[0].ttag == 1);
796 	CU_ASSERT(tqpair->reqs[0].req.qpair == &tqpair->qpair);
797 	CU_ASSERT(tqpair->reqs[0].pdu == &tqpair->pdus[0]);
798 	CU_ASSERT(tqpair->reqs[0].pdu->qpair == &tqpair->qpair);
799 	CU_ASSERT(tqpair->reqs[0].buf == (void *)((uintptr_t)tqpair->bufs));
800 	CU_ASSERT(tqpair->reqs[0].req.rsp == (void *)&tqpair->reqs[0].rsp);
801 	CU_ASSERT(tqpair->reqs[0].req.cmd == (void *)&tqpair->reqs[0].cmd);
802 	CU_ASSERT(tqpair->reqs[0].state == TCP_REQUEST_STATE_FREE);
803 	CU_ASSERT(tqpair->reqs[127].ttag == 128);
804 	CU_ASSERT(tqpair->reqs[127].req.qpair == &tqpair->qpair);
805 	CU_ASSERT(tqpair->reqs[127].pdu == &tqpair->pdus[127]);
806 	CU_ASSERT(tqpair->reqs[127].pdu->qpair == &tqpair->qpair);
807 	CU_ASSERT(tqpair->reqs[127].buf == (void *)((uintptr_t)tqpair->bufs) + 127 * 4096);
808 	CU_ASSERT(tqpair->reqs[127].req.rsp == (void *)&tqpair->reqs[127].rsp);
809 	CU_ASSERT(tqpair->reqs[127].req.cmd == (void *)&tqpair->reqs[127].cmd);
810 	CU_ASSERT(tqpair->reqs[127].state == TCP_REQUEST_STATE_FREE);
811 	CU_ASSERT(tqpair->state_cntr[TCP_REQUEST_STATE_FREE] == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
812 	CU_ASSERT(tqpair->mgmt_pdu == &tqpair->pdus[2 * SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH]);
813 	CU_ASSERT(tqpair->mgmt_pdu->qpair == tqpair);
814 	CU_ASSERT(tqpair->pdu_in_progress ==
815 		  &tqpair->pdus[2 * SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH - 1]);
816 	CU_ASSERT(tqpair->recv_buf_size == (4096 + sizeof(struct spdk_nvme_tcp_cmd) + 2 *
817 					    SPDK_NVME_TCP_DIGEST_LEN) * SPDK_NVMF_TCP_RECV_BUF_SIZE_FACTOR);
818 
819 	/* Free all of tqpair resource */
820 	nvmf_tcp_qpair_destroy(tqpair);
821 
822 	spdk_thread_exit(thread);
823 	while (!spdk_thread_is_exited(thread)) {
824 		spdk_thread_poll(thread, 0, 0);
825 	}
826 	spdk_thread_destroy(thread);
827 }
828 
829 static void
830 test_nvmf_tcp_send_c2h_term_req(void)
831 {
832 	struct spdk_nvmf_tcp_qpair tqpair = {};
833 	struct nvme_tcp_pdu pdu = {}, mgmt_pdu = {}, pdu_in_progress = {};
834 	enum spdk_nvme_tcp_term_req_fes fes = SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD;
835 	uint32_t error_offset = 1;
836 
837 	mgmt_pdu.qpair = &tqpair;
838 	tqpair.mgmt_pdu = &mgmt_pdu;
839 	tqpair.pdu_in_progress = &pdu_in_progress;
840 	tqpair.tcp_pdu_working_count = 1;
841 
842 	/* case1: hlen < SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE, Expect: copy_len == hlen */
843 	pdu.hdr.common.hlen = 64;
844 	nvmf_tcp_send_c2h_term_req(&tqpair, &pdu, fes, error_offset);
845 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
846 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
847 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
848 		  pdu.hdr.common.hlen);
849 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
850 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fes == SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD);
851 
852 	/* case2: hlen > SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE, Expect: copy_len == SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE */
853 	pdu.hdr.common.hlen = 255;
854 	nvmf_tcp_send_c2h_term_req(&tqpair, &pdu, fes, error_offset);
855 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
856 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
857 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == (unsigned)
858 		  tqpair.mgmt_pdu->hdr.term_req.common.hlen + SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
859 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
860 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fes == SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD);
861 }
862 
863 static void
864 test_nvmf_tcp_send_capsule_resp_pdu(void)
865 {
866 	struct spdk_nvmf_tcp_req tcp_req = {};
867 	struct spdk_nvmf_tcp_qpair tqpair = {};
868 	struct nvme_tcp_pdu pdu = {};
869 
870 	tcp_req.pdu_in_use = false;
871 	tcp_req.req.qpair = &tqpair.qpair;
872 	tcp_req.pdu = &pdu;
873 	tcp_req.req.rsp = (union nvmf_c2h_msg *)&tcp_req.rsp;
874 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
875 	tqpair.host_hdgst_enable = true;
876 
877 	nvmf_tcp_send_capsule_resp_pdu(&tcp_req, &tqpair);
878 	CU_ASSERT(pdu.hdr.capsule_resp.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP);
879 	CU_ASSERT(pdu.hdr.capsule_resp.common.plen == sizeof(struct spdk_nvme_tcp_rsp) +
880 		  SPDK_NVME_TCP_DIGEST_LEN);
881 	CU_ASSERT(pdu.hdr.capsule_resp.common.hlen == sizeof(struct spdk_nvme_tcp_rsp));
882 	CU_ASSERT(!memcmp(&pdu.hdr.capsule_resp.rccqe, &tcp_req.req.rsp->nvme_cpl,
883 			  sizeof(struct spdk_nvme_cpl)));
884 	CU_ASSERT(pdu.hdr.capsule_resp.common.flags & SPDK_NVME_TCP_CH_FLAGS_HDGSTF);
885 	CU_ASSERT(pdu.cb_fn == nvmf_tcp_request_free);
886 	CU_ASSERT(pdu.cb_arg == &tcp_req);
887 	CU_ASSERT(pdu.iov[0].iov_base == &pdu.hdr.raw);
888 	CU_ASSERT(pdu.iov[0].iov_len == sizeof(struct spdk_nvme_tcp_rsp) + SPDK_NVME_TCP_DIGEST_LEN);
889 
890 	/* hdgst disable */
891 	tqpair.host_hdgst_enable = false;
892 	tcp_req.pdu_in_use = false;
893 	memset(&pdu, 0, sizeof(pdu));
894 
895 	nvmf_tcp_send_capsule_resp_pdu(&tcp_req, &tqpair);
896 	CU_ASSERT(pdu.hdr.capsule_resp.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP);
897 	CU_ASSERT(pdu.hdr.capsule_resp.common.plen == sizeof(struct spdk_nvme_tcp_rsp));
898 	CU_ASSERT(pdu.hdr.capsule_resp.common.hlen == sizeof(struct spdk_nvme_tcp_rsp));
899 	CU_ASSERT(!memcmp(&pdu.hdr.capsule_resp.rccqe, &tcp_req.req.rsp->nvme_cpl,
900 			  sizeof(struct spdk_nvme_cpl)));
901 	CU_ASSERT(!(pdu.hdr.capsule_resp.common.flags & SPDK_NVME_TCP_CH_FLAGS_HDGSTF));
902 	CU_ASSERT(pdu.cb_fn == nvmf_tcp_request_free);
903 	CU_ASSERT(pdu.cb_arg == &tcp_req);
904 	CU_ASSERT(pdu.iov[0].iov_base == &pdu.hdr.raw);
905 	CU_ASSERT(pdu.iov[0].iov_len == sizeof(struct spdk_nvme_tcp_rsp));
906 }
907 
908 static void
909 test_nvmf_tcp_icreq_handle(void)
910 {
911 	struct spdk_nvmf_tcp_transport ttransport = {};
912 	struct spdk_nvmf_tcp_qpair tqpair = {};
913 	struct nvme_tcp_pdu pdu = {};
914 	struct nvme_tcp_pdu mgmt_pdu = {};
915 	struct nvme_tcp_pdu pdu_in_progress = {};
916 	struct spdk_nvme_tcp_ic_resp *ic_resp;
917 
918 	mgmt_pdu.qpair = &tqpair;
919 	tqpair.mgmt_pdu = &mgmt_pdu;
920 	tqpair.pdu_in_progress = &pdu_in_progress;
921 	tqpair.tcp_pdu_working_count = 1;
922 
923 	/* case 1: Expected ICReq PFV 0 and got are different. */
924 	pdu.hdr.ic_req.pfv = 1;
925 
926 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
927 
928 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
929 
930 	/* case 2: Expected ICReq HPDA in range 0-31 and got are different. */
931 	pdu.hdr.ic_req.hpda = SPDK_NVME_TCP_HPDA_MAX + 1;
932 
933 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
934 
935 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
936 
937 	/* case 3: Expect: PASS.  */
938 	ttransport.transport.opts.max_io_size = 32;
939 	pdu.hdr.ic_req.pfv = 0;
940 	tqpair.host_hdgst_enable = false;
941 	tqpair.host_ddgst_enable = false;
942 	tqpair.recv_buf_size = 64;
943 	pdu.hdr.ic_req.hpda = 16;
944 
945 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
946 
947 	ic_resp = &tqpair.mgmt_pdu->hdr.ic_resp;
948 	CU_ASSERT(tqpair.recv_buf_size == MIN_SOCK_PIPE_SIZE);
949 	CU_ASSERT(tqpair.cpda == pdu.hdr.ic_req.hpda);
950 	CU_ASSERT(ic_resp->common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_IC_RESP);
951 	CU_ASSERT(ic_resp->common.hlen == sizeof(struct spdk_nvme_tcp_ic_resp));
952 	CU_ASSERT(ic_resp->common.plen ==  sizeof(struct spdk_nvme_tcp_ic_resp));
953 	CU_ASSERT(ic_resp->pfv == 0);
954 	CU_ASSERT(ic_resp->cpda == tqpair.cpda);
955 	CU_ASSERT(ic_resp->maxh2cdata == ttransport.transport.opts.max_io_size);
956 	CU_ASSERT(ic_resp->dgst.bits.hdgst_enable == 0);
957 	CU_ASSERT(ic_resp->dgst.bits.ddgst_enable == 0);
958 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_READY);
959 }
960 
961 static void
962 test_nvmf_tcp_check_xfer_type(void)
963 {
964 	const uint16_t cid = 0xAA;
965 	struct spdk_nvmf_tcp_transport ttransport = {};
966 	struct spdk_nvmf_tcp_qpair tqpair = {};
967 	struct nvme_tcp_pdu pdu_in_progress = {};
968 	union nvmf_c2h_msg rsp0 = {};
969 
970 	struct spdk_nvmf_tcp_req tcp_req = {};
971 	struct nvme_tcp_pdu rsp_pdu = {};
972 
973 	struct spdk_nvme_tcp_cmd *capsule_data;
974 	struct spdk_nvme_sgl_descriptor *sgl;
975 
976 	struct spdk_nvmf_transport_poll_group *group;
977 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
978 	struct spdk_sock_group grp = {};
979 
980 	tqpair.pdu_in_progress = &pdu_in_progress;
981 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
982 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
983 
984 	tcp_group.sock_group = &grp;
985 	TAILQ_INIT(&tcp_group.qpairs);
986 	group = &tcp_group.group;
987 	group->transport = &ttransport.transport;
988 	STAILQ_INIT(&group->pending_buf_queue);
989 	tqpair.group = &tcp_group;
990 
991 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
992 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
993 
994 	tqpair.qpair.transport = &ttransport.transport;
995 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
996 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
997 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
998 
999 	/* init tcp_req */
1000 	tcp_req.req.qpair = &tqpair.qpair;
1001 	tcp_req.pdu = &rsp_pdu;
1002 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
1003 	tcp_req.req.rsp = &rsp0;
1004 	tcp_req.state = TCP_REQUEST_STATE_NEW;
1005 
1006 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req, state_link);
1007 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
1008 
1009 	/* init pdu, make pdu need sgl buff */
1010 	capsule_data = &tqpair.pdu_in_progress->hdr.capsule_cmd;
1011 	sgl = &capsule_data->ccsqe.dptr.sgl1;
1012 
1013 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1014 	capsule_data->common.hlen = sizeof(*capsule_data);
1015 	capsule_data->common.plen = 1096;
1016 	capsule_data->ccsqe.opc = 0x10 | SPDK_NVME_DATA_BIDIRECTIONAL;
1017 	/* Need to set to a non zero valid to check it gets copied to the response */
1018 	capsule_data->ccsqe.cid = cid;
1019 
1020 	/* Set up SGL to ensure nvmf_tcp_req_parse_sgl returns an error */
1021 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
1022 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
1023 	sgl->unkeyed.length = UT_IO_UNIT_SIZE;
1024 
1025 	/* Process a command and ensure that it fails and the request is set up to return an error */
1026 	nvmf_tcp_req_process(&ttransport, &tcp_req);
1027 	CU_ASSERT(STAILQ_EMPTY(&group->pending_buf_queue));
1028 	CU_ASSERT(tcp_req.state == TCP_REQUEST_STATE_TRANSFERRING_CONTROLLER_TO_HOST);
1029 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_READY);
1030 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.cid == cid);
1031 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.status.sct == SPDK_NVME_SCT_GENERIC);
1032 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.status.sc == SPDK_NVME_SC_INVALID_OPCODE);
1033 }
1034 
1035 static void
1036 test_nvmf_tcp_invalid_sgl(void)
1037 {
1038 	const uint16_t cid = 0xAABB;
1039 	struct spdk_nvmf_tcp_transport ttransport = {};
1040 	struct spdk_nvmf_tcp_qpair tqpair = {};
1041 	struct nvme_tcp_pdu pdu_in_progress = {};
1042 	union nvmf_c2h_msg rsp0 = {};
1043 
1044 	struct spdk_nvmf_tcp_req tcp_req = {};
1045 	struct nvme_tcp_pdu rsp_pdu = {};
1046 	struct nvme_tcp_pdu mgmt_pdu = {};
1047 
1048 	struct spdk_nvme_tcp_cmd *capsule_data;
1049 	struct spdk_nvme_sgl_descriptor *sgl;
1050 
1051 	struct spdk_nvmf_transport_poll_group *group;
1052 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
1053 	struct spdk_sock_group grp = {};
1054 
1055 	tqpair.pdu_in_progress = &pdu_in_progress;
1056 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
1057 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
1058 
1059 	tcp_group.sock_group = &grp;
1060 	TAILQ_INIT(&tcp_group.qpairs);
1061 	group = &tcp_group.group;
1062 	group->transport = &ttransport.transport;
1063 	STAILQ_INIT(&group->pending_buf_queue);
1064 	tqpair.group = &tcp_group;
1065 
1066 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
1067 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
1068 
1069 	tqpair.qpair.transport = &ttransport.transport;
1070 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1071 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
1072 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
1073 
1074 	/* init tcp_req */
1075 	tcp_req.req.qpair = &tqpair.qpair;
1076 	tcp_req.pdu = &rsp_pdu;
1077 	tcp_req.pdu->qpair = &tqpair;
1078 	tqpair.mgmt_pdu = &mgmt_pdu;
1079 	tqpair.mgmt_pdu->qpair = &tqpair;
1080 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
1081 	tcp_req.req.rsp = &rsp0;
1082 	tcp_req.state = TCP_REQUEST_STATE_NEW;
1083 
1084 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req, state_link);
1085 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
1086 
1087 	/* init pdu, make pdu need sgl buff */
1088 	capsule_data = &tqpair.pdu_in_progress->hdr.capsule_cmd;
1089 	sgl = &capsule_data->ccsqe.dptr.sgl1;
1090 
1091 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1092 	capsule_data->common.hlen = sizeof(*capsule_data);
1093 	capsule_data->common.plen = 1096;
1094 	capsule_data->ccsqe.opc = SPDK_NVME_OPC_WRITE;
1095 	/* Need to set to a non zero valid to check it gets copied to the response */
1096 	capsule_data->ccsqe.cid = cid;
1097 
1098 	/* Set up SGL to ensure nvmf_tcp_req_parse_sgl returns an error */
1099 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
1100 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
1101 	sgl->unkeyed.length = UT_MAX_IO_SIZE + 1;
1102 
1103 	/* Process a command and ensure that it fails and the request is set up to return an error */
1104 	nvmf_tcp_req_process(&ttransport, &tcp_req);
1105 	CU_ASSERT(!STAILQ_EMPTY(&group->pending_buf_queue));
1106 	CU_ASSERT(tcp_req.state == TCP_REQUEST_STATE_NEED_BUFFER);
1107 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1108 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1109 }
1110 
1111 static void
1112 test_nvmf_tcp_pdu_ch_handle(void)
1113 {
1114 	struct spdk_nvmf_tcp_qpair tqpair = {};
1115 	struct nvme_tcp_pdu mgmt_pdu = {}, pdu_in_progress = {};
1116 
1117 	mgmt_pdu.qpair = &tqpair;
1118 	tqpair.mgmt_pdu = &mgmt_pdu;
1119 	tqpair.pdu_in_progress = &pdu_in_progress;
1120 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1121 	tqpair.cpda = 0;
1122 
1123 	/* Test case: Already received ICreq PDU. Expect: fail */
1124 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1125 	tqpair.state = NVME_TCP_QPAIR_STATE_INITIALIZING;
1126 	nvmf_tcp_pdu_ch_handle(&tqpair);
1127 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1128 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1129 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1130 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1131 
1132 	/* Test case: Expected PDU header length and received are different. Expect: fail */
1133 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1134 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1135 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1136 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1137 	tqpair.pdu_in_progress->hdr.common.hlen = 0;
1138 	nvmf_tcp_pdu_ch_handle(&tqpair);
1139 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1140 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1141 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1142 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1143 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 2);
1144 
1145 	/* Test case: The TCP/IP tqpair connection is not negotitated. Expect: fail */
1146 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1147 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_RESP;
1148 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1149 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1150 	tqpair.pdu_in_progress->hdr.common.hlen = 0;
1151 	nvmf_tcp_pdu_ch_handle(&tqpair);
1152 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1153 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1154 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1155 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1156 
1157 	/* Test case: Unexpected PDU type. Expect: fail */
1158 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1159 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP;
1160 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1161 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1162 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1163 	nvmf_tcp_pdu_ch_handle(&tqpair);
1164 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1165 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1166 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1167 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1168 		  (unsigned)SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
1169 
1170 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_IC_REQ, let plen error. Expect: fail */
1171 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1172 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1173 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1174 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1175 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1176 	nvmf_tcp_pdu_ch_handle(&tqpair);
1177 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1178 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1179 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1180 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1181 		  (unsigned)SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
1182 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1183 
1184 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD, let plen error. Expect: fail */
1185 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1186 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1187 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1188 	tqpair.pdu_in_progress->hdr.common.flags = SPDK_NVME_TCP_CH_FLAGS_HDGSTF;
1189 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1190 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_cmd);
1191 	nvmf_tcp_pdu_ch_handle(&tqpair);
1192 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1193 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1194 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1195 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == sizeof(struct spdk_nvme_tcp_cmd) + sizeof(
1196 			  struct spdk_nvme_tcp_term_req_hdr));
1197 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1198 
1199 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_DATA, let plen error. Expect: fail */
1200 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1201 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_DATA;
1202 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1203 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1204 	tqpair.pdu_in_progress->hdr.common.pdo = 64;
1205 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_h2c_data_hdr);
1206 	nvmf_tcp_pdu_ch_handle(&tqpair);
1207 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1208 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1209 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1210 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1211 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1212 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1213 
1214 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_TERM_REQ, let plen error. Expect: fail */
1215 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1216 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_TERM_REQ;
1217 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1218 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1219 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_term_req_hdr);
1220 	nvmf_tcp_pdu_ch_handle(&tqpair);
1221 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1222 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1223 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1224 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1225 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1226 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1227 
1228 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD, let pdo error. Expect: fail */
1229 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1230 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1231 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1232 	tqpair.cpda = 1;
1233 	tqpair.pdu_in_progress->hdr.common.flags = SPDK_NVME_TCP_CH_FLAGS_HDGSTF;
1234 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1235 	tqpair.pdu_in_progress->hdr.common.pdo = 63;
1236 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_cmd);
1237 	nvmf_tcp_pdu_ch_handle(&tqpair);
1238 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1239 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1240 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1241 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == sizeof(struct spdk_nvme_tcp_cmd) + sizeof(
1242 			  struct spdk_nvme_tcp_term_req_hdr));
1243 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 3);
1244 
1245 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_DATA, let pdo error. Expect: fail */
1246 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1247 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_DATA;
1248 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1249 	tqpair.cpda = 1;
1250 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1251 	tqpair.pdu_in_progress->hdr.common.pdo = 63;
1252 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_h2c_data_hdr);
1253 	nvmf_tcp_pdu_ch_handle(&tqpair);
1254 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1255 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1256 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1257 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1258 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1259 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 3);
1260 
1261 	/* Test case: All parameters is conformed to the function. Expect: PASS */
1262 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1263 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1264 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1265 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1266 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1267 	nvmf_tcp_pdu_ch_handle(&tqpair);
1268 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH);
1269 	CU_ASSERT(tqpair.pdu_in_progress->psh_len == tqpair.pdu_in_progress->hdr.common.hlen - sizeof(
1270 			  struct spdk_nvme_tcp_common_pdu_hdr));
1271 }
1272 
1273 static void
1274 test_nvmf_tcp_tls_add_remove_credentials(void)
1275 {
1276 	struct spdk_thread *thread;
1277 	struct spdk_nvmf_transport *transport;
1278 	struct spdk_nvmf_tcp_transport *ttransport;
1279 	struct spdk_nvmf_transport_opts opts;
1280 	struct spdk_nvmf_subsystem subsystem;
1281 	struct tcp_psk_entry *entry;
1282 	const char subnqn[] = {"nqn.2016-06.io.spdk:cnode1"};
1283 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1284 	const char *psk = "NVMeTLSkey-1:01:VRLbtnN9AQb2WXW3c9+wEf/DRLz0QuLdbYvEhwtdWwNf9LrZ:";
1285 	char *psk_file_path = "/tmp/psk.txt";
1286 	bool found = false;
1287 	FILE *psk_file = NULL;
1288 	mode_t oldmask;
1289 
1290 	thread = spdk_thread_create(NULL, NULL);
1291 	SPDK_CU_ASSERT_FATAL(thread != NULL);
1292 	spdk_set_thread(thread);
1293 
1294 	memset(&opts, 0, sizeof(opts));
1295 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
1296 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
1297 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
1298 	opts.max_io_size = UT_MAX_IO_SIZE;
1299 	opts.io_unit_size = UT_IO_UNIT_SIZE;
1300 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
1301 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
1302 	transport = nvmf_tcp_create(&opts);
1303 
1304 	memset(&subsystem, 0, sizeof(subsystem));
1305 	snprintf(subsystem.subnqn, sizeof(subsystem.subnqn), "%s", subnqn);
1306 
1307 	/* Create a text file containing PSK in interchange format. */
1308 	oldmask = umask(S_IXUSR | S_IRWXG | S_IRWXO);
1309 	psk_file = fopen(psk_file_path, "w");
1310 	CU_ASSERT(psk_file != NULL);
1311 	CU_ASSERT(fprintf(psk_file, "%s", psk) > 0);
1312 	CU_ASSERT(fclose(psk_file) == 0);
1313 	umask(oldmask);
1314 
1315 	struct spdk_json_val psk_json[] = {
1316 		{"", 2, SPDK_JSON_VAL_OBJECT_BEGIN},
1317 		{"psk", 3, SPDK_JSON_VAL_NAME},
1318 		{psk_file_path, strlen(psk_file_path), SPDK_JSON_VAL_STRING},
1319 		{"", 0, SPDK_JSON_VAL_OBJECT_END},
1320 	};
1321 
1322 	nvmf_tcp_subsystem_add_host(transport, &subsystem, hostnqn, psk_json);
1323 
1324 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
1325 	TAILQ_FOREACH(entry, &ttransport->psks, link) {
1326 		if ((strcmp(subnqn, entry->subnqn) == 0) &&
1327 		    (strcmp(hostnqn, entry->hostnqn) == 0)) {
1328 			found = true;
1329 		}
1330 	}
1331 
1332 	CU_ASSERT(found == true);
1333 	found = false;
1334 
1335 	nvmf_tcp_subsystem_remove_host(transport, &subsystem, hostnqn);
1336 
1337 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
1338 	TAILQ_FOREACH(entry, &ttransport->psks, link) {
1339 		if ((strcmp(subnqn, entry->subnqn) == 0) &&
1340 		    (strcmp(hostnqn, entry->hostnqn) == 0)) {
1341 			found = true;
1342 		}
1343 	}
1344 
1345 	CU_ASSERT(found == false);
1346 
1347 	CU_ASSERT(remove(psk_file_path) == 0);
1348 
1349 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
1350 
1351 	spdk_thread_exit(thread);
1352 	while (!spdk_thread_is_exited(thread)) {
1353 		spdk_thread_poll(thread, 0, 0);
1354 	}
1355 	spdk_thread_destroy(thread);
1356 }
1357 
1358 static void
1359 test_nvmf_tcp_tls_generate_psk_id(void)
1360 {
1361 	const char psk_id_reference[] = {"NVMe0R01 nqn.2016-06.io.spdk:host1 nqn.2016-06.io.spdk:cnode1"};
1362 	const char subnqn[] = {"nqn.2016-06.io.spdk:cnode1"};
1363 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1364 	char psk_id[NVMF_PSK_IDENTITY_LEN] = {};
1365 	char too_small_psk_id[5] = {};
1366 
1367 	/* Check if we can generate expected PSK id. */
1368 	CU_ASSERT(nvme_tcp_generate_psk_identity(psk_id, NVMF_PSK_IDENTITY_LEN, hostnqn,
1369 			subnqn, NVME_TCP_CIPHER_AES_128_GCM_SHA256) == 0);
1370 	CU_ASSERT(strcmp(psk_id, psk_id_reference) == 0);
1371 
1372 	/* Test with a buffer that is too small to fit PSK id. */
1373 	CU_ASSERT(nvme_tcp_generate_psk_identity(too_small_psk_id, sizeof(too_small_psk_id), hostnqn,
1374 			subnqn, NVME_TCP_CIPHER_AES_128_GCM_SHA256) != 0);
1375 
1376 	/* Test with unknown cipher suite. */
1377 	CU_ASSERT(nvme_tcp_generate_psk_identity(psk_id, NVMF_PSK_IDENTITY_LEN, hostnqn,
1378 			subnqn, UINT8_MAX) != 0);
1379 }
1380 
1381 static void
1382 test_nvmf_tcp_tls_generate_retained_psk(void)
1383 {
1384 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1385 	const char psk_reference1[] = {"1234567890ABCDEF"};
1386 	const char psk_reference2[] = {"FEDCBA0987654321"};
1387 	uint8_t unhexlified_str1[SPDK_TLS_PSK_MAX_LEN] = {};
1388 	uint8_t unhexlified_str2[SPDK_TLS_PSK_MAX_LEN] = {};
1389 	char *unhexlified1;
1390 	char *unhexlified2;
1391 	uint8_t psk_retained1[SPDK_TLS_PSK_MAX_LEN] = {};
1392 	uint8_t psk_retained2[SPDK_TLS_PSK_MAX_LEN] = {};
1393 	uint8_t too_small_psk_retained[5] = {};
1394 	int psk_retained_len1, psk_retained_len2;
1395 	int retained_size;
1396 
1397 	unhexlified1 = spdk_unhexlify(psk_reference1);
1398 	SPDK_CU_ASSERT_FATAL(unhexlified1 != NULL);
1399 	unhexlified2 = spdk_unhexlify(psk_reference2);
1400 	SPDK_CU_ASSERT_FATAL(unhexlified2 != NULL);
1401 
1402 	memcpy(unhexlified_str1, unhexlified1, strlen(psk_reference1) / 2);
1403 	memcpy(unhexlified_str2, unhexlified2, strlen(psk_reference2) / 2);
1404 	free(unhexlified1);
1405 	free(unhexlified2);
1406 
1407 	/* Make sure that retained PSKs are different with different input PSKs and the same hash. */
1408 	retained_size = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1409 			psk_retained1, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1410 	CU_ASSERT(retained_size > 0);
1411 
1412 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str2, strlen(psk_reference2) / 2, hostnqn,
1413 					       psk_retained2,
1414 					       SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256) > 0);
1415 	CU_ASSERT(memcmp(psk_retained1, psk_retained2, retained_size) != 0);
1416 
1417 	/* Make sure that retained PSKs are different with different hash and the same input PSKs. */
1418 	psk_retained_len1 = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2,
1419 			    hostnqn, psk_retained1, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1420 	CU_ASSERT(psk_retained_len1 > 0);
1421 	psk_retained_len2 = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2,
1422 			    hostnqn, psk_retained2, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA384);
1423 	CU_ASSERT(psk_retained_len2 > 0);
1424 	CU_ASSERT(psk_retained_len1 < psk_retained_len2);
1425 
1426 	/* Make sure that passing unknown value as hash errors out the function. */
1427 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1428 					       psk_retained1, SPDK_TLS_PSK_MAX_LEN, -1) < 0);
1429 
1430 	/* Make sure that passing buffer insufficient in size errors out the function. */
1431 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1432 					       too_small_psk_retained, sizeof(too_small_psk_retained), NVME_TCP_HASH_ALGORITHM_SHA256) < 0);
1433 }
1434 
1435 static void
1436 test_nvmf_tcp_tls_generate_tls_psk(void)
1437 {
1438 	const char psk_id_reference[] = {"NVMe0R01 nqn.2016-06.io.spdk:host1 nqn.2016-06.io.spdk:cnode1"};
1439 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1440 	const char psk_reference[] = {"1234567890ABCDEF"};
1441 	char *unhexlified;
1442 	uint8_t unhexlified_str[SPDK_TLS_PSK_MAX_LEN] = {};
1443 	uint8_t psk_retained[SPDK_TLS_PSK_MAX_LEN] = {};
1444 	uint8_t psk_key1[SPDK_TLS_PSK_MAX_LEN] = {}, psk_key2[SPDK_TLS_PSK_MAX_LEN] = {};
1445 	uint8_t too_small_psk_tls[5] = {};
1446 	int retained_size, tls_size;
1447 
1448 	unhexlified = spdk_unhexlify(psk_reference);
1449 	CU_ASSERT(unhexlified != NULL);
1450 
1451 	memcpy(unhexlified_str, unhexlified, strlen(psk_reference) / 2);
1452 	free(unhexlified);
1453 
1454 	retained_size = nvme_tcp_derive_retained_psk(unhexlified_str, strlen(psk_reference) / 2, hostnqn,
1455 			psk_retained, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1456 	CU_ASSERT(retained_size > 0);
1457 
1458 	/* Make sure that different cipher suites produce different TLS PSKs. */
1459 	tls_size = nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference, psk_key1,
1460 					   SPDK_TLS_PSK_MAX_LEN, NVME_TCP_CIPHER_AES_128_GCM_SHA256);
1461 	CU_ASSERT(tls_size > 0);
1462 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference, psk_key2,
1463 					  SPDK_TLS_PSK_MAX_LEN, NVME_TCP_CIPHER_AES_256_GCM_SHA384) > 0);
1464 	CU_ASSERT(memcmp(psk_key1, psk_key2, tls_size) != 0);
1465 
1466 	/* Make sure that passing unknown value as hash errors out the function. */
1467 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference,
1468 					  psk_key1, SPDK_TLS_PSK_MAX_LEN, UINT8_MAX) < 0);
1469 
1470 	/* Make sure that passing buffer insufficient in size errors out the function. */
1471 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference,
1472 					  too_small_psk_tls, sizeof(too_small_psk_tls),
1473 					  NVME_TCP_CIPHER_AES_128_GCM_SHA256) < 0);
1474 }
1475 
1476 int
1477 main(int argc, char **argv)
1478 {
1479 	CU_pSuite	suite = NULL;
1480 	unsigned int	num_failures;
1481 
1482 	CU_initialize_registry();
1483 
1484 	suite = CU_add_suite("nvmf", NULL, NULL);
1485 
1486 	CU_ADD_TEST(suite, test_nvmf_tcp_create);
1487 	CU_ADD_TEST(suite, test_nvmf_tcp_destroy);
1488 	CU_ADD_TEST(suite, test_nvmf_tcp_poll_group_create);
1489 	CU_ADD_TEST(suite, test_nvmf_tcp_send_c2h_data);
1490 	CU_ADD_TEST(suite, test_nvmf_tcp_h2c_data_hdr_handle);
1491 	CU_ADD_TEST(suite, test_nvmf_tcp_in_capsule_data_handle);
1492 	CU_ADD_TEST(suite, test_nvmf_tcp_qpair_init_mem_resource);
1493 	CU_ADD_TEST(suite, test_nvmf_tcp_send_c2h_term_req);
1494 	CU_ADD_TEST(suite, test_nvmf_tcp_send_capsule_resp_pdu);
1495 	CU_ADD_TEST(suite, test_nvmf_tcp_icreq_handle);
1496 	CU_ADD_TEST(suite, test_nvmf_tcp_check_xfer_type);
1497 	CU_ADD_TEST(suite, test_nvmf_tcp_invalid_sgl);
1498 	CU_ADD_TEST(suite, test_nvmf_tcp_pdu_ch_handle);
1499 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_add_remove_credentials);
1500 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_psk_id);
1501 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_retained_psk);
1502 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_tls_psk);
1503 
1504 	num_failures = spdk_ut_run_tests(argc, argv, NULL);
1505 	CU_cleanup_registry();
1506 	return num_failures;
1507 }
1508