xref: /spdk/test/unit/lib/nvmf/tcp.c/tcp_ut.c (revision 00311abc73d120a1cf17c8d46749802c380f1688)
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_keyring_get_key, struct spdk_key *, (const char *name), NULL);
246 DEFINE_STUB_V(spdk_keyring_put_key, (struct spdk_key *k));
247 DEFINE_STUB(spdk_key_get_name, const char *, (struct spdk_key *k), NULL);
248 DEFINE_STUB(spdk_key_get_key, int, (struct spdk_key *k, void *buf, int len), 1);
249 
250 DEFINE_STUB(nvmf_ns_is_ptpl_capable, bool, (const struct spdk_nvmf_ns *ns), false);
251 
252 struct spdk_io_channel *
253 spdk_accel_get_io_channel(void)
254 {
255 	return spdk_get_io_channel(g_accel_p);
256 }
257 
258 DEFINE_STUB(spdk_accel_submit_crc32cv,
259 	    int,
260 	    (struct spdk_io_channel *ch, uint32_t *dst, struct iovec *iovs,
261 	     uint32_t iovcnt, uint32_t seed, spdk_accel_completion_cb cb_fn, void *cb_arg),
262 	    0);
263 
264 DEFINE_STUB(spdk_nvmf_bdev_ctrlr_nvme_passthru_admin,
265 	    int,
266 	    (struct spdk_bdev *bdev, struct spdk_bdev_desc *desc,
267 	     struct spdk_io_channel *ch, struct spdk_nvmf_request *req,
268 	     spdk_nvmf_nvme_passthru_cmd_cb cb_fn),
269 	    0)
270 
271 struct spdk_bdev {
272 	int ut_mock;
273 	uint64_t blockcnt;
274 };
275 
276 int
277 spdk_nvme_transport_id_compare(const struct spdk_nvme_transport_id *trid1,
278 			       const struct spdk_nvme_transport_id *trid2)
279 {
280 	return 0;
281 }
282 
283 const char *
284 spdk_nvme_transport_id_trtype_str(enum spdk_nvme_transport_type trtype)
285 {
286 	switch (trtype) {
287 	case SPDK_NVME_TRANSPORT_PCIE:
288 		return "PCIe";
289 	case SPDK_NVME_TRANSPORT_RDMA:
290 		return "RDMA";
291 	case SPDK_NVME_TRANSPORT_FC:
292 		return "FC";
293 	default:
294 		return NULL;
295 	}
296 }
297 
298 int
299 spdk_nvme_transport_id_populate_trstring(struct spdk_nvme_transport_id *trid, const char *trstring)
300 {
301 	int len, i;
302 
303 	if (trstring == NULL) {
304 		return -EINVAL;
305 	}
306 
307 	len = strnlen(trstring, SPDK_NVMF_TRSTRING_MAX_LEN);
308 	if (len == SPDK_NVMF_TRSTRING_MAX_LEN) {
309 		return -EINVAL;
310 	}
311 
312 	/* cast official trstring to uppercase version of input. */
313 	for (i = 0; i < len; i++) {
314 		trid->trstring[i] = toupper(trstring[i]);
315 	}
316 	return 0;
317 }
318 
319 int
320 spdk_nvmf_request_get_buffers(struct spdk_nvmf_request *req,
321 			      struct spdk_nvmf_transport_poll_group *group,
322 			      struct spdk_nvmf_transport *transport,
323 			      uint32_t length)
324 {
325 	/* length more than 1 io unit length will fail. */
326 	if (length >= transport->opts.io_unit_size) {
327 		return -EINVAL;
328 	}
329 
330 	req->iovcnt = 1;
331 	req->iov[0].iov_base = (void *)0xDEADBEEF;
332 
333 	return 0;
334 }
335 
336 
337 void
338 nvmf_bdev_ctrlr_identify_ns(struct spdk_nvmf_ns *ns, struct spdk_nvme_ns_data *nsdata,
339 			    bool dif_insert_or_strip)
340 {
341 	uint64_t num_blocks;
342 
343 	SPDK_CU_ASSERT_FATAL(ns->bdev != NULL);
344 	num_blocks = ns->bdev->blockcnt;
345 	nsdata->nsze = num_blocks;
346 	nsdata->ncap = num_blocks;
347 	nsdata->nuse = num_blocks;
348 	nsdata->nlbaf = 0;
349 	nsdata->flbas.format = 0;
350 	nsdata->flbas.msb_format = 0;
351 	nsdata->lbaf[0].lbads = spdk_u32log2(512);
352 }
353 
354 const char *
355 spdk_nvmf_subsystem_get_sn(const struct spdk_nvmf_subsystem *subsystem)
356 {
357 	return subsystem->sn;
358 }
359 
360 const char *
361 spdk_nvmf_subsystem_get_mn(const struct spdk_nvmf_subsystem *subsystem)
362 {
363 	return subsystem->mn;
364 }
365 
366 static void
367 test_nvmf_tcp_create(void)
368 {
369 	struct spdk_thread *thread;
370 	struct spdk_nvmf_transport *transport;
371 	struct spdk_nvmf_tcp_transport *ttransport;
372 	struct spdk_nvmf_transport_opts opts;
373 
374 	thread = spdk_thread_create(NULL, NULL);
375 	SPDK_CU_ASSERT_FATAL(thread != NULL);
376 	spdk_set_thread(thread);
377 
378 	/* case 1 */
379 	memset(&opts, 0, sizeof(opts));
380 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
381 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
382 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
383 	opts.max_io_size = UT_MAX_IO_SIZE;
384 	opts.io_unit_size = UT_IO_UNIT_SIZE;
385 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
386 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
387 	/* expect success */
388 	transport = nvmf_tcp_create(&opts);
389 	CU_ASSERT_PTR_NOT_NULL(transport);
390 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
391 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
392 	transport->opts = opts;
393 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
394 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
395 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
396 	CU_ASSERT(transport->opts.io_unit_size == UT_IO_UNIT_SIZE);
397 	/* destroy transport */
398 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
399 
400 	/* case 2 */
401 	memset(&opts, 0, sizeof(opts));
402 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
403 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
404 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
405 	opts.max_io_size = UT_MAX_IO_SIZE;
406 	opts.io_unit_size = UT_MAX_IO_SIZE + 1;
407 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
408 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
409 	/* expect success */
410 	transport = nvmf_tcp_create(&opts);
411 	CU_ASSERT_PTR_NOT_NULL(transport);
412 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
413 	SPDK_CU_ASSERT_FATAL(ttransport != NULL);
414 	transport->opts = opts;
415 	CU_ASSERT(transport->opts.max_queue_depth == UT_MAX_QUEUE_DEPTH);
416 	CU_ASSERT(transport->opts.max_io_size == UT_MAX_IO_SIZE);
417 	CU_ASSERT(transport->opts.in_capsule_data_size == UT_IN_CAPSULE_DATA_SIZE);
418 	CU_ASSERT(transport->opts.io_unit_size == UT_MAX_IO_SIZE);
419 	/* destroy transport */
420 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
421 
422 	/* case 3 */
423 	memset(&opts, 0, sizeof(opts));
424 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
425 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
426 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
427 	opts.max_io_size = UT_MAX_IO_SIZE;
428 	opts.io_unit_size = 16;
429 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
430 	/* expect fails */
431 	transport = nvmf_tcp_create(&opts);
432 	CU_ASSERT_PTR_NULL(transport);
433 
434 	spdk_thread_exit(thread);
435 	while (!spdk_thread_is_exited(thread)) {
436 		spdk_thread_poll(thread, 0, 0);
437 	}
438 	spdk_thread_destroy(thread);
439 }
440 
441 static void
442 test_nvmf_tcp_destroy(void)
443 {
444 	struct spdk_thread *thread;
445 	struct spdk_nvmf_transport *transport;
446 	struct spdk_nvmf_transport_opts opts;
447 
448 	thread = spdk_thread_create(NULL, NULL);
449 	SPDK_CU_ASSERT_FATAL(thread != NULL);
450 	spdk_set_thread(thread);
451 
452 	/* case 1 */
453 	memset(&opts, 0, sizeof(opts));
454 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
455 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
456 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
457 	opts.max_io_size = UT_MAX_IO_SIZE;
458 	opts.io_unit_size = UT_IO_UNIT_SIZE;
459 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
460 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
461 	transport = nvmf_tcp_create(&opts);
462 	CU_ASSERT_PTR_NOT_NULL(transport);
463 	transport->opts = opts;
464 	/* destroy transport */
465 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
466 
467 	spdk_thread_exit(thread);
468 	while (!spdk_thread_is_exited(thread)) {
469 		spdk_thread_poll(thread, 0, 0);
470 	}
471 	spdk_thread_destroy(thread);
472 }
473 
474 static void
475 init_accel(void)
476 {
477 	spdk_io_device_register(g_accel_p, accel_channel_create, accel_channel_destroy,
478 				sizeof(int), "accel_p");
479 }
480 
481 static void
482 fini_accel(void)
483 {
484 	spdk_io_device_unregister(g_accel_p, NULL);
485 }
486 
487 static void
488 test_nvmf_tcp_poll_group_create(void)
489 {
490 	struct spdk_nvmf_transport *transport;
491 	struct spdk_nvmf_transport_poll_group *group;
492 	struct spdk_nvmf_tcp_poll_group *tgroup;
493 	struct spdk_thread *thread;
494 	struct spdk_nvmf_transport_opts opts;
495 	struct spdk_sock_group grp = {};
496 
497 	thread = spdk_thread_create(NULL, NULL);
498 	SPDK_CU_ASSERT_FATAL(thread != NULL);
499 	spdk_set_thread(thread);
500 
501 	init_accel();
502 
503 	memset(&opts, 0, sizeof(opts));
504 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
505 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
506 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
507 	opts.max_io_size = UT_MAX_IO_SIZE;
508 	opts.io_unit_size = UT_IO_UNIT_SIZE;
509 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
510 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
511 	transport = nvmf_tcp_create(&opts);
512 	CU_ASSERT_PTR_NOT_NULL(transport);
513 	transport->opts = opts;
514 	MOCK_SET(spdk_sock_group_create, &grp);
515 	group = nvmf_tcp_poll_group_create(transport, NULL);
516 	MOCK_CLEAR_P(spdk_sock_group_create);
517 	SPDK_CU_ASSERT_FATAL(group);
518 	if (opts.in_capsule_data_size < SPDK_NVME_TCP_IN_CAPSULE_DATA_MAX_SIZE) {
519 		tgroup = SPDK_CONTAINEROF(group, struct spdk_nvmf_tcp_poll_group, group);
520 		SPDK_CU_ASSERT_FATAL(tgroup->control_msg_list);
521 	}
522 	group->transport = transport;
523 	nvmf_tcp_poll_group_destroy(group);
524 	nvmf_tcp_destroy(transport, NULL, NULL);
525 
526 	fini_accel();
527 	spdk_thread_exit(thread);
528 	while (!spdk_thread_is_exited(thread)) {
529 		spdk_thread_poll(thread, 0, 0);
530 	}
531 	spdk_thread_destroy(thread);
532 }
533 
534 static void
535 test_nvmf_tcp_send_c2h_data(void)
536 {
537 	struct spdk_thread *thread;
538 	struct spdk_nvmf_tcp_transport ttransport = {};
539 	struct spdk_nvmf_tcp_qpair tqpair = {};
540 	struct spdk_nvmf_tcp_req tcp_req = {};
541 	struct nvme_tcp_pdu pdu = {};
542 	struct spdk_nvme_tcp_c2h_data_hdr *c2h_data;
543 
544 	ttransport.tcp_opts.c2h_success = true;
545 	thread = spdk_thread_create(NULL, NULL);
546 	SPDK_CU_ASSERT_FATAL(thread != NULL);
547 	spdk_set_thread(thread);
548 
549 	tcp_req.pdu = &pdu;
550 	tcp_req.req.length = 300;
551 	tcp_req.req.qpair = &tqpair.qpair;
552 
553 	tqpair.qpair.transport = &ttransport.transport;
554 
555 	/* Set qpair state to make unrelated operations NOP */
556 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
557 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
558 
559 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
560 
561 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
562 	tcp_req.req.iov[0].iov_len = 101;
563 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
564 	tcp_req.req.iov[1].iov_len = 100;
565 	tcp_req.req.iov[2].iov_base = (void *)0xC0FFEE;
566 	tcp_req.req.iov[2].iov_len = 99;
567 	tcp_req.req.iovcnt = 3;
568 	tcp_req.req.length = 300;
569 
570 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
571 
572 	c2h_data = &pdu.hdr.c2h_data;
573 	CU_ASSERT(c2h_data->datao == 0);
574 	CU_ASSERT(c2h_data->datal = 300);
575 	CU_ASSERT(c2h_data->common.plen == sizeof(*c2h_data) + 300);
576 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
577 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS);
578 
579 	CU_ASSERT(pdu.data_iovcnt == 3);
580 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
581 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
582 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
583 	CU_ASSERT(pdu.data_iov[1].iov_len == 100);
584 	CU_ASSERT((uint64_t)pdu.data_iov[2].iov_base == 0xC0FFEE);
585 	CU_ASSERT(pdu.data_iov[2].iov_len == 99);
586 
587 	tcp_req.pdu_in_use = false;
588 	tcp_req.rsp.cdw0 = 1;
589 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
590 
591 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
592 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
593 
594 	ttransport.tcp_opts.c2h_success = false;
595 	tcp_req.pdu_in_use = false;
596 	tcp_req.rsp.cdw0 = 0;
597 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
598 
599 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
600 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
601 
602 	tcp_req.pdu_in_use = false;
603 	tcp_req.rsp.cdw0 = 1;
604 	nvmf_tcp_send_c2h_data(&tqpair, &tcp_req);
605 
606 	CU_ASSERT(c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_LAST_PDU);
607 	CU_ASSERT((c2h_data->common.flags & SPDK_NVME_TCP_C2H_DATA_FLAGS_SUCCESS) == 0);
608 
609 	spdk_thread_exit(thread);
610 	while (!spdk_thread_is_exited(thread)) {
611 		spdk_thread_poll(thread, 0, 0);
612 	}
613 	spdk_thread_destroy(thread);
614 }
615 
616 #define NVMF_TCP_PDU_MAX_H2C_DATA_SIZE (128 * 1024)
617 
618 static void
619 test_nvmf_tcp_h2c_data_hdr_handle(void)
620 {
621 	struct spdk_nvmf_tcp_transport ttransport = {};
622 	struct spdk_nvmf_tcp_qpair tqpair = {};
623 	struct nvme_tcp_pdu pdu = {};
624 	struct spdk_nvmf_tcp_req tcp_req = {};
625 	struct spdk_nvme_tcp_h2c_data_hdr *h2c_data;
626 
627 	/* Set qpair state to make unrelated operations NOP */
628 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
629 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_ERROR;
630 	tqpair.resource_count = 1;
631 	tqpair.reqs = &tcp_req;
632 
633 	tcp_req.req.iov[0].iov_base = (void *)0xDEADBEEF;
634 	tcp_req.req.iov[0].iov_len = 101;
635 	tcp_req.req.iov[1].iov_base = (void *)0xFEEDBEEF;
636 	tcp_req.req.iov[1].iov_len = 99;
637 	tcp_req.req.iovcnt = 2;
638 	tcp_req.req.length = 200;
639 	tcp_req.state = TCP_REQUEST_STATE_TRANSFERRING_HOST_TO_CONTROLLER;
640 
641 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
642 	tcp_req.req.cmd->nvme_cmd.cid = 1;
643 	tcp_req.ttag = 1;
644 
645 	h2c_data = &pdu.hdr.h2c_data;
646 	h2c_data->cccid = 1;
647 	h2c_data->ttag = 1;
648 	h2c_data->datao = 0;
649 	h2c_data->datal = 200;
650 
651 	nvmf_tcp_h2c_data_hdr_handle(&ttransport, &tqpair, &pdu);
652 
653 	CU_ASSERT(pdu.data_iovcnt == 2);
654 	CU_ASSERT((uint64_t)pdu.data_iov[0].iov_base == 0xDEADBEEF);
655 	CU_ASSERT(pdu.data_iov[0].iov_len == 101);
656 	CU_ASSERT((uint64_t)pdu.data_iov[1].iov_base == 0xFEEDBEEF);
657 	CU_ASSERT(pdu.data_iov[1].iov_len == 99);
658 }
659 
660 
661 static void
662 test_nvmf_tcp_in_capsule_data_handle(void)
663 {
664 	struct spdk_nvmf_tcp_transport ttransport = {};
665 	struct spdk_nvmf_tcp_qpair tqpair = {};
666 	struct nvme_tcp_pdu *pdu, pdu_in_progress = {};
667 	union nvmf_c2h_msg rsp0 = {};
668 	union nvmf_c2h_msg rsp = {};
669 
670 	struct spdk_nvmf_request *req_temp = NULL;
671 	struct spdk_nvmf_tcp_req tcp_req2 = {};
672 	struct spdk_nvmf_tcp_req tcp_req1 = {};
673 
674 	struct spdk_nvme_tcp_cmd *capsule_data;
675 	struct spdk_nvmf_capsule_cmd *nvmf_capsule_data;
676 	struct spdk_nvme_sgl_descriptor *sgl;
677 
678 	struct spdk_nvmf_transport_poll_group *group;
679 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
680 	struct spdk_sock_group grp = {};
681 
682 	tqpair.pdu_in_progress = &pdu_in_progress;
683 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
684 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
685 
686 	tcp_group.sock_group = &grp;
687 	TAILQ_INIT(&tcp_group.qpairs);
688 	group = &tcp_group.group;
689 	group->transport = &ttransport.transport;
690 	STAILQ_INIT(&group->pending_buf_queue);
691 	tqpair.group = &tcp_group;
692 
693 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
694 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
695 
696 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_free_queue, &tcp_req2, state_link);
697 	tqpair.state_cntr[TCP_REQUEST_STATE_FREE]++;
698 	tqpair.qpair.transport = &ttransport.transport;
699 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
700 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
701 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
702 
703 	/* init a null tcp_req into tqpair TCP_REQUEST_STATE_FREE queue */
704 	tcp_req2.req.qpair = &tqpair.qpair;
705 	tcp_req2.req.cmd = (union nvmf_h2c_msg *)&tcp_req2.cmd;
706 	tcp_req2.req.rsp = &rsp;
707 
708 	/* init tcp_req1 */
709 	tcp_req1.req.qpair = &tqpair.qpair;
710 	tcp_req1.req.cmd = (union nvmf_h2c_msg *)&tcp_req1.cmd;
711 	tcp_req1.req.rsp = &rsp0;
712 	tcp_req1.state = TCP_REQUEST_STATE_NEW;
713 
714 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req1, state_link);
715 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
716 
717 	/* init pdu, make pdu need sgl buff */
718 	pdu = tqpair.pdu_in_progress;
719 	capsule_data = &pdu->hdr.capsule_cmd;
720 	nvmf_capsule_data = (struct spdk_nvmf_capsule_cmd *)&pdu->hdr.capsule_cmd.ccsqe;
721 	sgl = &capsule_data->ccsqe.dptr.sgl1;
722 
723 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
724 	capsule_data->common.hlen = sizeof(*capsule_data);
725 	capsule_data->common.plen = 1096;
726 	capsule_data->ccsqe.opc = SPDK_NVME_OPC_FABRIC;
727 
728 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
729 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
730 	sgl->unkeyed.length = UT_IO_UNIT_SIZE;
731 
732 	nvmf_capsule_data->fctype = SPDK_NVMF_FABRIC_COMMAND_CONNECT;
733 
734 	/* insert tcp_req1 to pending_buf_queue, And this req takes precedence over the next req. */
735 	nvmf_tcp_req_process(&ttransport, &tcp_req1);
736 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
737 
738 	sgl->unkeyed.length = UT_IO_UNIT_SIZE - 1;
739 
740 	/* process tqpair capsule req. but we still remain req in pending_buff. */
741 	nvmf_tcp_capsule_cmd_hdr_handle(&ttransport, &tqpair, tqpair.pdu_in_progress);
742 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PAYLOAD);
743 	CU_ASSERT(STAILQ_FIRST(&group->pending_buf_queue) == &tcp_req1.req);
744 	STAILQ_FOREACH(req_temp, &group->pending_buf_queue, buf_link) {
745 		if (req_temp == &tcp_req2.req) {
746 			break;
747 		}
748 	}
749 	CU_ASSERT(req_temp == NULL);
750 	CU_ASSERT(tqpair.pdu_in_progress->req == (void *)&tcp_req2);
751 }
752 
753 static void
754 test_nvmf_tcp_qpair_init_mem_resource(void)
755 {
756 	int rc;
757 	struct spdk_nvmf_tcp_qpair *tqpair = NULL;
758 	struct spdk_nvmf_transport transport = {};
759 	struct spdk_thread *thread;
760 
761 	thread = spdk_thread_create(NULL, NULL);
762 	SPDK_CU_ASSERT_FATAL(thread != NULL);
763 	spdk_set_thread(thread);
764 
765 	tqpair = calloc(1, sizeof(*tqpair));
766 	tqpair->qpair.transport = &transport;
767 
768 	nvmf_tcp_opts_init(&transport.opts);
769 	CU_ASSERT(transport.opts.max_queue_depth == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
770 	CU_ASSERT(transport.opts.max_qpairs_per_ctrlr == SPDK_NVMF_TCP_DEFAULT_MAX_QPAIRS_PER_CTRLR);
771 	CU_ASSERT(transport.opts.in_capsule_data_size == SPDK_NVMF_TCP_DEFAULT_IN_CAPSULE_DATA_SIZE);
772 	CU_ASSERT(transport.opts.max_io_size ==	SPDK_NVMF_TCP_DEFAULT_MAX_IO_SIZE);
773 	CU_ASSERT(transport.opts.io_unit_size == SPDK_NVMF_TCP_DEFAULT_IO_UNIT_SIZE);
774 	CU_ASSERT(transport.opts.max_aq_depth == SPDK_NVMF_TCP_DEFAULT_MAX_ADMIN_QUEUE_DEPTH);
775 	CU_ASSERT(transport.opts.num_shared_buffers == SPDK_NVMF_TCP_DEFAULT_NUM_SHARED_BUFFERS);
776 	CU_ASSERT(transport.opts.buf_cache_size == SPDK_NVMF_TCP_DEFAULT_BUFFER_CACHE_SIZE);
777 	CU_ASSERT(transport.opts.dif_insert_or_strip ==	SPDK_NVMF_TCP_DEFAULT_DIF_INSERT_OR_STRIP);
778 	CU_ASSERT(transport.opts.abort_timeout_sec == SPDK_NVMF_TCP_DEFAULT_ABORT_TIMEOUT_SEC);
779 	CU_ASSERT(transport.opts.transport_specific == NULL);
780 
781 	rc = nvmf_tcp_qpair_init(&tqpair->qpair);
782 	CU_ASSERT(rc == 0);
783 	CU_ASSERT(tqpair->host_hdgst_enable == true);
784 	CU_ASSERT(tqpair->host_ddgst_enable == true);
785 
786 	rc = nvmf_tcp_qpair_init_mem_resource(tqpair);
787 	CU_ASSERT(rc == 0);
788 	CU_ASSERT(tqpair->resource_count == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
789 	CU_ASSERT(tqpair->reqs != NULL);
790 	CU_ASSERT(tqpair->bufs != NULL);
791 	CU_ASSERT(tqpair->pdus != NULL);
792 	/* Just to check the first and last entry */
793 	CU_ASSERT(tqpair->reqs[0].ttag == 1);
794 	CU_ASSERT(tqpair->reqs[0].req.qpair == &tqpair->qpair);
795 	CU_ASSERT(tqpair->reqs[0].pdu == &tqpair->pdus[0]);
796 	CU_ASSERT(tqpair->reqs[0].pdu->qpair == &tqpair->qpair);
797 	CU_ASSERT(tqpair->reqs[0].buf == (void *)((uintptr_t)tqpair->bufs));
798 	CU_ASSERT(tqpair->reqs[0].req.rsp == (void *)&tqpair->reqs[0].rsp);
799 	CU_ASSERT(tqpair->reqs[0].req.cmd == (void *)&tqpair->reqs[0].cmd);
800 	CU_ASSERT(tqpair->reqs[0].state == TCP_REQUEST_STATE_FREE);
801 	CU_ASSERT(tqpair->reqs[127].ttag == 128);
802 	CU_ASSERT(tqpair->reqs[127].req.qpair == &tqpair->qpair);
803 	CU_ASSERT(tqpair->reqs[127].pdu == &tqpair->pdus[127]);
804 	CU_ASSERT(tqpair->reqs[127].pdu->qpair == &tqpair->qpair);
805 	CU_ASSERT(tqpair->reqs[127].buf == (void *)((uintptr_t)tqpair->bufs) + 127 * 4096);
806 	CU_ASSERT(tqpair->reqs[127].req.rsp == (void *)&tqpair->reqs[127].rsp);
807 	CU_ASSERT(tqpair->reqs[127].req.cmd == (void *)&tqpair->reqs[127].cmd);
808 	CU_ASSERT(tqpair->reqs[127].state == TCP_REQUEST_STATE_FREE);
809 	CU_ASSERT(tqpair->state_cntr[TCP_REQUEST_STATE_FREE] == SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH);
810 	CU_ASSERT(tqpair->mgmt_pdu == &tqpair->pdus[2 * SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH]);
811 	CU_ASSERT(tqpair->mgmt_pdu->qpair == tqpair);
812 	CU_ASSERT(tqpair->pdu_in_progress ==
813 		  &tqpair->pdus[2 * SPDK_NVMF_TCP_DEFAULT_MAX_IO_QUEUE_DEPTH - 1]);
814 	CU_ASSERT(tqpair->recv_buf_size == (4096 + sizeof(struct spdk_nvme_tcp_cmd) + 2 *
815 					    SPDK_NVME_TCP_DIGEST_LEN) * SPDK_NVMF_TCP_RECV_BUF_SIZE_FACTOR);
816 
817 	/* Free all of tqpair resource */
818 	nvmf_tcp_qpair_destroy(tqpair);
819 
820 	spdk_thread_exit(thread);
821 	while (!spdk_thread_is_exited(thread)) {
822 		spdk_thread_poll(thread, 0, 0);
823 	}
824 	spdk_thread_destroy(thread);
825 }
826 
827 static void
828 test_nvmf_tcp_send_c2h_term_req(void)
829 {
830 	struct spdk_nvmf_tcp_qpair tqpair = {};
831 	struct nvme_tcp_pdu pdu = {}, mgmt_pdu = {}, pdu_in_progress = {};
832 	enum spdk_nvme_tcp_term_req_fes fes = SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD;
833 	uint32_t error_offset = 1;
834 
835 	mgmt_pdu.qpair = &tqpair;
836 	tqpair.mgmt_pdu = &mgmt_pdu;
837 	tqpair.pdu_in_progress = &pdu_in_progress;
838 	tqpair.tcp_pdu_working_count = 1;
839 
840 	/* case1: hlen < SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE, Expect: copy_len == hlen */
841 	pdu.hdr.common.hlen = 64;
842 	nvmf_tcp_send_c2h_term_req(&tqpair, &pdu, fes, error_offset);
843 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
844 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
845 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
846 		  pdu.hdr.common.hlen);
847 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
848 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fes == SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD);
849 
850 	/* case2: hlen > SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE, Expect: copy_len == SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE */
851 	pdu.hdr.common.hlen = 255;
852 	nvmf_tcp_send_c2h_term_req(&tqpair, &pdu, fes, error_offset);
853 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
854 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
855 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == (unsigned)
856 		  tqpair.mgmt_pdu->hdr.term_req.common.hlen + SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
857 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
858 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fes == SPDK_NVME_TCP_TERM_REQ_FES_INVALID_HEADER_FIELD);
859 }
860 
861 static void
862 test_nvmf_tcp_send_capsule_resp_pdu(void)
863 {
864 	struct spdk_nvmf_tcp_req tcp_req = {};
865 	struct spdk_nvmf_tcp_qpair tqpair = {};
866 	struct nvme_tcp_pdu pdu = {};
867 
868 	tcp_req.pdu_in_use = false;
869 	tcp_req.req.qpair = &tqpair.qpair;
870 	tcp_req.pdu = &pdu;
871 	tcp_req.req.rsp = (union nvmf_c2h_msg *)&tcp_req.rsp;
872 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
873 	tqpair.host_hdgst_enable = true;
874 
875 	nvmf_tcp_send_capsule_resp_pdu(&tcp_req, &tqpair);
876 	CU_ASSERT(pdu.hdr.capsule_resp.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP);
877 	CU_ASSERT(pdu.hdr.capsule_resp.common.plen == sizeof(struct spdk_nvme_tcp_rsp) +
878 		  SPDK_NVME_TCP_DIGEST_LEN);
879 	CU_ASSERT(pdu.hdr.capsule_resp.common.hlen == sizeof(struct spdk_nvme_tcp_rsp));
880 	CU_ASSERT(!memcmp(&pdu.hdr.capsule_resp.rccqe, &tcp_req.req.rsp->nvme_cpl,
881 			  sizeof(struct spdk_nvme_cpl)));
882 	CU_ASSERT(pdu.hdr.capsule_resp.common.flags & SPDK_NVME_TCP_CH_FLAGS_HDGSTF);
883 	CU_ASSERT(pdu.cb_fn == nvmf_tcp_request_free);
884 	CU_ASSERT(pdu.cb_arg == &tcp_req);
885 	CU_ASSERT(pdu.iov[0].iov_base == &pdu.hdr.raw);
886 	CU_ASSERT(pdu.iov[0].iov_len == sizeof(struct spdk_nvme_tcp_rsp) + SPDK_NVME_TCP_DIGEST_LEN);
887 
888 	/* hdgst disable */
889 	tqpair.host_hdgst_enable = false;
890 	tcp_req.pdu_in_use = false;
891 	memset(&pdu, 0, sizeof(pdu));
892 
893 	nvmf_tcp_send_capsule_resp_pdu(&tcp_req, &tqpair);
894 	CU_ASSERT(pdu.hdr.capsule_resp.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP);
895 	CU_ASSERT(pdu.hdr.capsule_resp.common.plen == sizeof(struct spdk_nvme_tcp_rsp));
896 	CU_ASSERT(pdu.hdr.capsule_resp.common.hlen == sizeof(struct spdk_nvme_tcp_rsp));
897 	CU_ASSERT(!memcmp(&pdu.hdr.capsule_resp.rccqe, &tcp_req.req.rsp->nvme_cpl,
898 			  sizeof(struct spdk_nvme_cpl)));
899 	CU_ASSERT(!(pdu.hdr.capsule_resp.common.flags & SPDK_NVME_TCP_CH_FLAGS_HDGSTF));
900 	CU_ASSERT(pdu.cb_fn == nvmf_tcp_request_free);
901 	CU_ASSERT(pdu.cb_arg == &tcp_req);
902 	CU_ASSERT(pdu.iov[0].iov_base == &pdu.hdr.raw);
903 	CU_ASSERT(pdu.iov[0].iov_len == sizeof(struct spdk_nvme_tcp_rsp));
904 }
905 
906 static void
907 test_nvmf_tcp_icreq_handle(void)
908 {
909 	struct spdk_nvmf_tcp_transport ttransport = {};
910 	struct spdk_nvmf_tcp_qpair tqpair = {};
911 	struct nvme_tcp_pdu pdu = {};
912 	struct nvme_tcp_pdu mgmt_pdu = {};
913 	struct nvme_tcp_pdu pdu_in_progress = {};
914 	struct spdk_nvme_tcp_ic_resp *ic_resp;
915 
916 	mgmt_pdu.qpair = &tqpair;
917 	tqpair.mgmt_pdu = &mgmt_pdu;
918 	tqpair.pdu_in_progress = &pdu_in_progress;
919 	tqpair.tcp_pdu_working_count = 1;
920 
921 	/* case 1: Expected ICReq PFV 0 and got are different. */
922 	pdu.hdr.ic_req.pfv = 1;
923 
924 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
925 
926 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
927 
928 	/* case 2: Expected ICReq HPDA in range 0-31 and got are different. */
929 	pdu.hdr.ic_req.hpda = SPDK_NVME_TCP_HPDA_MAX + 1;
930 
931 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
932 
933 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
934 
935 	/* case 3: Expect: PASS.  */
936 	ttransport.transport.opts.max_io_size = 32;
937 	pdu.hdr.ic_req.pfv = 0;
938 	tqpair.host_hdgst_enable = false;
939 	tqpair.host_ddgst_enable = false;
940 	tqpair.recv_buf_size = 64;
941 	pdu.hdr.ic_req.hpda = 16;
942 
943 	nvmf_tcp_icreq_handle(&ttransport, &tqpair, &pdu);
944 
945 	ic_resp = &tqpair.mgmt_pdu->hdr.ic_resp;
946 	CU_ASSERT(tqpair.recv_buf_size == MIN_SOCK_PIPE_SIZE);
947 	CU_ASSERT(tqpair.cpda == pdu.hdr.ic_req.hpda);
948 	CU_ASSERT(ic_resp->common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_IC_RESP);
949 	CU_ASSERT(ic_resp->common.hlen == sizeof(struct spdk_nvme_tcp_ic_resp));
950 	CU_ASSERT(ic_resp->common.plen ==  sizeof(struct spdk_nvme_tcp_ic_resp));
951 	CU_ASSERT(ic_resp->pfv == 0);
952 	CU_ASSERT(ic_resp->cpda == tqpair.cpda);
953 	CU_ASSERT(ic_resp->maxh2cdata == ttransport.transport.opts.max_io_size);
954 	CU_ASSERT(ic_resp->dgst.bits.hdgst_enable == 0);
955 	CU_ASSERT(ic_resp->dgst.bits.ddgst_enable == 0);
956 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_READY);
957 }
958 
959 static void
960 test_nvmf_tcp_check_xfer_type(void)
961 {
962 	const uint16_t cid = 0xAA;
963 	struct spdk_nvmf_tcp_transport ttransport = {};
964 	struct spdk_nvmf_tcp_qpair tqpair = {};
965 	struct nvme_tcp_pdu pdu_in_progress = {};
966 	union nvmf_c2h_msg rsp0 = {};
967 
968 	struct spdk_nvmf_tcp_req tcp_req = {};
969 	struct nvme_tcp_pdu rsp_pdu = {};
970 
971 	struct spdk_nvme_tcp_cmd *capsule_data;
972 	struct spdk_nvme_sgl_descriptor *sgl;
973 
974 	struct spdk_nvmf_transport_poll_group *group;
975 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
976 	struct spdk_sock_group grp = {};
977 
978 	tqpair.pdu_in_progress = &pdu_in_progress;
979 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
980 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
981 
982 	tcp_group.sock_group = &grp;
983 	TAILQ_INIT(&tcp_group.qpairs);
984 	group = &tcp_group.group;
985 	group->transport = &ttransport.transport;
986 	STAILQ_INIT(&group->pending_buf_queue);
987 	tqpair.group = &tcp_group;
988 
989 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
990 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
991 
992 	tqpair.qpair.transport = &ttransport.transport;
993 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
994 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
995 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
996 
997 	/* init tcp_req */
998 	tcp_req.req.qpair = &tqpair.qpair;
999 	tcp_req.pdu = &rsp_pdu;
1000 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
1001 	tcp_req.req.rsp = &rsp0;
1002 	tcp_req.state = TCP_REQUEST_STATE_NEW;
1003 
1004 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req, state_link);
1005 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
1006 
1007 	/* init pdu, make pdu need sgl buff */
1008 	capsule_data = &tqpair.pdu_in_progress->hdr.capsule_cmd;
1009 	sgl = &capsule_data->ccsqe.dptr.sgl1;
1010 
1011 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1012 	capsule_data->common.hlen = sizeof(*capsule_data);
1013 	capsule_data->common.plen = 1096;
1014 	capsule_data->ccsqe.opc = 0x10 | SPDK_NVME_DATA_BIDIRECTIONAL;
1015 	/* Need to set to a non zero valid to check it gets copied to the response */
1016 	capsule_data->ccsqe.cid = cid;
1017 
1018 	/* Set up SGL to ensure nvmf_tcp_req_parse_sgl returns an error */
1019 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
1020 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
1021 	sgl->unkeyed.length = UT_IO_UNIT_SIZE;
1022 
1023 	/* Process a command and ensure that it fails and the request is set up to return an error */
1024 	nvmf_tcp_req_process(&ttransport, &tcp_req);
1025 	CU_ASSERT(STAILQ_EMPTY(&group->pending_buf_queue));
1026 	CU_ASSERT(tcp_req.state == TCP_REQUEST_STATE_TRANSFERRING_CONTROLLER_TO_HOST);
1027 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_READY);
1028 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.cid == cid);
1029 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.status.sct == SPDK_NVME_SCT_GENERIC);
1030 	CU_ASSERT(tcp_req.req.rsp->nvme_cpl.status.sc == SPDK_NVME_SC_INVALID_OPCODE);
1031 }
1032 
1033 static void
1034 test_nvmf_tcp_invalid_sgl(void)
1035 {
1036 	const uint16_t cid = 0xAABB;
1037 	struct spdk_nvmf_tcp_transport ttransport = {};
1038 	struct spdk_nvmf_tcp_qpair tqpair = {};
1039 	struct nvme_tcp_pdu pdu_in_progress = {};
1040 	union nvmf_c2h_msg rsp0 = {};
1041 
1042 	struct spdk_nvmf_tcp_req tcp_req = {};
1043 	struct nvme_tcp_pdu rsp_pdu = {};
1044 	struct nvme_tcp_pdu mgmt_pdu = {};
1045 
1046 	struct spdk_nvme_tcp_cmd *capsule_data;
1047 	struct spdk_nvme_sgl_descriptor *sgl;
1048 
1049 	struct spdk_nvmf_transport_poll_group *group;
1050 	struct spdk_nvmf_tcp_poll_group tcp_group = {};
1051 	struct spdk_sock_group grp = {};
1052 
1053 	tqpair.pdu_in_progress = &pdu_in_progress;
1054 	ttransport.transport.opts.max_io_size = UT_MAX_IO_SIZE;
1055 	ttransport.transport.opts.io_unit_size = UT_IO_UNIT_SIZE;
1056 
1057 	tcp_group.sock_group = &grp;
1058 	TAILQ_INIT(&tcp_group.qpairs);
1059 	group = &tcp_group.group;
1060 	group->transport = &ttransport.transport;
1061 	STAILQ_INIT(&group->pending_buf_queue);
1062 	tqpair.group = &tcp_group;
1063 
1064 	TAILQ_INIT(&tqpair.tcp_req_free_queue);
1065 	TAILQ_INIT(&tqpair.tcp_req_working_queue);
1066 
1067 	tqpair.qpair.transport = &ttransport.transport;
1068 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1069 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH;
1070 	tqpair.qpair.state = SPDK_NVMF_QPAIR_ACTIVE;
1071 
1072 	/* init tcp_req */
1073 	tcp_req.req.qpair = &tqpair.qpair;
1074 	tcp_req.pdu = &rsp_pdu;
1075 	tcp_req.pdu->qpair = &tqpair;
1076 	tqpair.mgmt_pdu = &mgmt_pdu;
1077 	tqpair.mgmt_pdu->qpair = &tqpair;
1078 	tcp_req.req.cmd = (union nvmf_h2c_msg *)&tcp_req.cmd;
1079 	tcp_req.req.rsp = &rsp0;
1080 	tcp_req.state = TCP_REQUEST_STATE_NEW;
1081 
1082 	TAILQ_INSERT_TAIL(&tqpair.tcp_req_working_queue, &tcp_req, state_link);
1083 	tqpair.state_cntr[TCP_REQUEST_STATE_NEW]++;
1084 
1085 	/* init pdu, make pdu need sgl buff */
1086 	capsule_data = &tqpair.pdu_in_progress->hdr.capsule_cmd;
1087 	sgl = &capsule_data->ccsqe.dptr.sgl1;
1088 
1089 	capsule_data->common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1090 	capsule_data->common.hlen = sizeof(*capsule_data);
1091 	capsule_data->common.plen = 1096;
1092 	capsule_data->ccsqe.opc = SPDK_NVME_OPC_WRITE;
1093 	/* Need to set to a non zero valid to check it gets copied to the response */
1094 	capsule_data->ccsqe.cid = cid;
1095 
1096 	/* Set up SGL to ensure nvmf_tcp_req_parse_sgl returns an error */
1097 	sgl->unkeyed.subtype = SPDK_NVME_SGL_SUBTYPE_TRANSPORT;
1098 	sgl->generic.type = SPDK_NVME_SGL_TYPE_TRANSPORT_DATA_BLOCK;
1099 	sgl->unkeyed.length = UT_MAX_IO_SIZE + 1;
1100 
1101 	/* Process a command and ensure that it fails and the request is set up to return an error */
1102 	nvmf_tcp_req_process(&ttransport, &tcp_req);
1103 	CU_ASSERT(!STAILQ_EMPTY(&group->pending_buf_queue));
1104 	CU_ASSERT(tcp_req.state == TCP_REQUEST_STATE_NEED_BUFFER);
1105 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1106 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1107 }
1108 
1109 static void
1110 test_nvmf_tcp_pdu_ch_handle(void)
1111 {
1112 	struct spdk_nvmf_tcp_qpair tqpair = {};
1113 	struct nvme_tcp_pdu mgmt_pdu = {}, pdu_in_progress = {};
1114 
1115 	mgmt_pdu.qpair = &tqpair;
1116 	tqpair.mgmt_pdu = &mgmt_pdu;
1117 	tqpair.pdu_in_progress = &pdu_in_progress;
1118 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1119 	tqpair.cpda = 0;
1120 
1121 	/* Test case: Already received ICreq PDU. Expect: fail */
1122 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1123 	tqpair.state = NVME_TCP_QPAIR_STATE_INITIALIZING;
1124 	nvmf_tcp_pdu_ch_handle(&tqpair);
1125 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1126 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1127 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1128 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1129 
1130 	/* Test case: Expected PDU header length and received are different. Expect: fail */
1131 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1132 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1133 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1134 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1135 	tqpair.pdu_in_progress->hdr.common.hlen = 0;
1136 	nvmf_tcp_pdu_ch_handle(&tqpair);
1137 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1138 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1139 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1140 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1141 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 2);
1142 
1143 	/* Test case: The TCP/IP tqpair connection is not negotitated. Expect: fail */
1144 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1145 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_RESP;
1146 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1147 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1148 	tqpair.pdu_in_progress->hdr.common.hlen = 0;
1149 	nvmf_tcp_pdu_ch_handle(&tqpair);
1150 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1151 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1152 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1153 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen);
1154 
1155 	/* Test case: Unexpected PDU type. Expect: fail */
1156 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1157 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_RESP;
1158 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1159 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1160 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1161 	nvmf_tcp_pdu_ch_handle(&tqpair);
1162 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1163 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1164 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1165 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1166 		  (unsigned)SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
1167 
1168 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_IC_REQ, let plen error. Expect: fail */
1169 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1170 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1171 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1172 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1173 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1174 	nvmf_tcp_pdu_ch_handle(&tqpair);
1175 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1176 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1177 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1178 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1179 		  (unsigned)SPDK_NVME_TCP_TERM_REQ_ERROR_DATA_MAX_SIZE);
1180 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1181 
1182 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD, let plen error. Expect: fail */
1183 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1184 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1185 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1186 	tqpair.pdu_in_progress->hdr.common.flags = SPDK_NVME_TCP_CH_FLAGS_HDGSTF;
1187 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1188 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_cmd);
1189 	nvmf_tcp_pdu_ch_handle(&tqpair);
1190 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1191 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1192 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1193 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == sizeof(struct spdk_nvme_tcp_cmd) + sizeof(
1194 			  struct spdk_nvme_tcp_term_req_hdr));
1195 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1196 
1197 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_DATA, let plen error. Expect: fail */
1198 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1199 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_DATA;
1200 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1201 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1202 	tqpair.pdu_in_progress->hdr.common.pdo = 64;
1203 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_h2c_data_hdr);
1204 	nvmf_tcp_pdu_ch_handle(&tqpair);
1205 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1206 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1207 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1208 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1209 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1210 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1211 
1212 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_TERM_REQ, let plen error. Expect: fail */
1213 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1214 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_TERM_REQ;
1215 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1216 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1217 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_term_req_hdr);
1218 	nvmf_tcp_pdu_ch_handle(&tqpair);
1219 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1220 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1221 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1222 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1223 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1224 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 4);
1225 
1226 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD, let pdo error. Expect: fail */
1227 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1228 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_CAPSULE_CMD;
1229 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1230 	tqpair.cpda = 1;
1231 	tqpair.pdu_in_progress->hdr.common.flags = SPDK_NVME_TCP_CH_FLAGS_HDGSTF;
1232 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1233 	tqpair.pdu_in_progress->hdr.common.pdo = 63;
1234 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_cmd);
1235 	nvmf_tcp_pdu_ch_handle(&tqpair);
1236 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1237 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1238 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1239 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == sizeof(struct spdk_nvme_tcp_cmd) + sizeof(
1240 			  struct spdk_nvme_tcp_term_req_hdr));
1241 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 3);
1242 
1243 	/* Test case: PDU type is SPDK_NVME_TCP_PDU_TYPE_H2C_DATA, let pdo error. Expect: fail */
1244 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1245 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_H2C_DATA;
1246 	tqpair.state = NVME_TCP_QPAIR_STATE_RUNNING;
1247 	tqpair.cpda = 1;
1248 	tqpair.pdu_in_progress->hdr.common.plen = 0;
1249 	tqpair.pdu_in_progress->hdr.common.pdo = 63;
1250 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_h2c_data_hdr);
1251 	nvmf_tcp_pdu_ch_handle(&tqpair);
1252 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_QUIESCING);
1253 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.pdu_type == SPDK_NVME_TCP_PDU_TYPE_C2H_TERM_REQ);
1254 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.hlen == sizeof(struct spdk_nvme_tcp_term_req_hdr));
1255 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.common.plen == tqpair.mgmt_pdu->hdr.term_req.common.hlen +
1256 		  (unsigned)sizeof(struct spdk_nvme_tcp_term_req_hdr));
1257 	CU_ASSERT(tqpair.mgmt_pdu->hdr.term_req.fei[0] == 3);
1258 
1259 	/* Test case: All parameters is conformed to the function. Expect: PASS */
1260 	tqpair.recv_state = NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_CH;
1261 	tqpair.pdu_in_progress->hdr.common.pdu_type = SPDK_NVME_TCP_PDU_TYPE_IC_REQ;
1262 	tqpair.state = NVME_TCP_QPAIR_STATE_INVALID;
1263 	tqpair.pdu_in_progress->hdr.common.plen = sizeof(struct spdk_nvme_tcp_ic_req);
1264 	tqpair.pdu_in_progress->hdr.common.hlen = sizeof(struct spdk_nvme_tcp_ic_req);
1265 	nvmf_tcp_pdu_ch_handle(&tqpair);
1266 	CU_ASSERT(tqpair.recv_state == NVME_TCP_PDU_RECV_STATE_AWAIT_PDU_PSH);
1267 	CU_ASSERT(tqpair.pdu_in_progress->psh_len == tqpair.pdu_in_progress->hdr.common.hlen - sizeof(
1268 			  struct spdk_nvme_tcp_common_pdu_hdr));
1269 }
1270 
1271 static void
1272 test_nvmf_tcp_tls_add_remove_credentials(void)
1273 {
1274 	struct spdk_thread *thread;
1275 	struct spdk_nvmf_transport *transport;
1276 	struct spdk_nvmf_tcp_transport *ttransport;
1277 	struct spdk_nvmf_transport_opts opts;
1278 	struct spdk_nvmf_subsystem subsystem;
1279 	struct tcp_psk_entry *entry;
1280 	const char subnqn[] = {"nqn.2016-06.io.spdk:cnode1"};
1281 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1282 	const char *psk = "NVMeTLSkey-1:01:VRLbtnN9AQb2WXW3c9+wEf/DRLz0QuLdbYvEhwtdWwNf9LrZ:";
1283 	char *psk_file_path = "/tmp/psk.txt";
1284 	bool found = false;
1285 	FILE *psk_file = NULL;
1286 	mode_t oldmask;
1287 
1288 	thread = spdk_thread_create(NULL, NULL);
1289 	SPDK_CU_ASSERT_FATAL(thread != NULL);
1290 	spdk_set_thread(thread);
1291 
1292 	memset(&opts, 0, sizeof(opts));
1293 	opts.max_queue_depth = UT_MAX_QUEUE_DEPTH;
1294 	opts.max_qpairs_per_ctrlr = UT_MAX_QPAIRS_PER_CTRLR;
1295 	opts.in_capsule_data_size = UT_IN_CAPSULE_DATA_SIZE;
1296 	opts.max_io_size = UT_MAX_IO_SIZE;
1297 	opts.io_unit_size = UT_IO_UNIT_SIZE;
1298 	opts.max_aq_depth = UT_MAX_AQ_DEPTH;
1299 	opts.num_shared_buffers = UT_NUM_SHARED_BUFFERS;
1300 	transport = nvmf_tcp_create(&opts);
1301 
1302 	memset(&subsystem, 0, sizeof(subsystem));
1303 	snprintf(subsystem.subnqn, sizeof(subsystem.subnqn), "%s", subnqn);
1304 
1305 	/* Create a text file containing PSK in interchange format. */
1306 	oldmask = umask(S_IXUSR | S_IRWXG | S_IRWXO);
1307 	psk_file = fopen(psk_file_path, "w");
1308 	CU_ASSERT(psk_file != NULL);
1309 	CU_ASSERT(fprintf(psk_file, "%s", psk) > 0);
1310 	CU_ASSERT(fclose(psk_file) == 0);
1311 	umask(oldmask);
1312 
1313 	struct spdk_json_val psk_json[] = {
1314 		{"", 2, SPDK_JSON_VAL_OBJECT_BEGIN},
1315 		{"psk", 3, SPDK_JSON_VAL_NAME},
1316 		{psk_file_path, strlen(psk_file_path), SPDK_JSON_VAL_STRING},
1317 		{"", 0, SPDK_JSON_VAL_OBJECT_END},
1318 	};
1319 
1320 	nvmf_tcp_subsystem_add_host(transport, &subsystem, hostnqn, psk_json);
1321 
1322 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
1323 	TAILQ_FOREACH(entry, &ttransport->psks, link) {
1324 		if ((strcmp(subnqn, entry->subnqn) == 0) &&
1325 		    (strcmp(hostnqn, entry->hostnqn) == 0)) {
1326 			found = true;
1327 		}
1328 	}
1329 
1330 	CU_ASSERT(found == true);
1331 	found = false;
1332 
1333 	nvmf_tcp_subsystem_remove_host(transport, &subsystem, hostnqn);
1334 
1335 	ttransport = SPDK_CONTAINEROF(transport, struct spdk_nvmf_tcp_transport, transport);
1336 	TAILQ_FOREACH(entry, &ttransport->psks, link) {
1337 		if ((strcmp(subnqn, entry->subnqn) == 0) &&
1338 		    (strcmp(hostnqn, entry->hostnqn) == 0)) {
1339 			found = true;
1340 		}
1341 	}
1342 
1343 	CU_ASSERT(found == false);
1344 
1345 	CU_ASSERT(remove(psk_file_path) == 0);
1346 
1347 	CU_ASSERT(nvmf_tcp_destroy(transport, NULL, NULL) == 0);
1348 
1349 	spdk_thread_exit(thread);
1350 	while (!spdk_thread_is_exited(thread)) {
1351 		spdk_thread_poll(thread, 0, 0);
1352 	}
1353 	spdk_thread_destroy(thread);
1354 }
1355 
1356 static void
1357 test_nvmf_tcp_tls_generate_psk_id(void)
1358 {
1359 	const char psk_id_reference[] = {"NVMe0R01 nqn.2016-06.io.spdk:host1 nqn.2016-06.io.spdk:cnode1"};
1360 	const char subnqn[] = {"nqn.2016-06.io.spdk:cnode1"};
1361 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1362 	char psk_id[NVMF_PSK_IDENTITY_LEN] = {};
1363 	char too_small_psk_id[5] = {};
1364 
1365 	/* Check if we can generate expected PSK id. */
1366 	CU_ASSERT(nvme_tcp_generate_psk_identity(psk_id, NVMF_PSK_IDENTITY_LEN, hostnqn,
1367 			subnqn, NVME_TCP_CIPHER_AES_128_GCM_SHA256) == 0);
1368 	CU_ASSERT(strcmp(psk_id, psk_id_reference) == 0);
1369 
1370 	/* Test with a buffer that is too small to fit PSK id. */
1371 	CU_ASSERT(nvme_tcp_generate_psk_identity(too_small_psk_id, sizeof(too_small_psk_id), hostnqn,
1372 			subnqn, NVME_TCP_CIPHER_AES_128_GCM_SHA256) != 0);
1373 
1374 	/* Test with unknown cipher suite. */
1375 	CU_ASSERT(nvme_tcp_generate_psk_identity(psk_id, NVMF_PSK_IDENTITY_LEN, hostnqn,
1376 			subnqn, UINT8_MAX) != 0);
1377 }
1378 
1379 static void
1380 test_nvmf_tcp_tls_generate_retained_psk(void)
1381 {
1382 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1383 	const char psk_reference1[] = {"1234567890ABCDEF"};
1384 	const char psk_reference2[] = {"FEDCBA0987654321"};
1385 	uint8_t unhexlified_str1[SPDK_TLS_PSK_MAX_LEN] = {};
1386 	uint8_t unhexlified_str2[SPDK_TLS_PSK_MAX_LEN] = {};
1387 	char *unhexlified1;
1388 	char *unhexlified2;
1389 	uint8_t psk_retained1[SPDK_TLS_PSK_MAX_LEN] = {};
1390 	uint8_t psk_retained2[SPDK_TLS_PSK_MAX_LEN] = {};
1391 	uint8_t too_small_psk_retained[5] = {};
1392 	int psk_retained_len1, psk_retained_len2;
1393 	int retained_size;
1394 
1395 	unhexlified1 = spdk_unhexlify(psk_reference1);
1396 	SPDK_CU_ASSERT_FATAL(unhexlified1 != NULL);
1397 	unhexlified2 = spdk_unhexlify(psk_reference2);
1398 	SPDK_CU_ASSERT_FATAL(unhexlified2 != NULL);
1399 
1400 	memcpy(unhexlified_str1, unhexlified1, strlen(psk_reference1) / 2);
1401 	memcpy(unhexlified_str2, unhexlified2, strlen(psk_reference2) / 2);
1402 	free(unhexlified1);
1403 	free(unhexlified2);
1404 
1405 	/* Make sure that retained PSKs are different with different input PSKs and the same hash. */
1406 	retained_size = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1407 			psk_retained1, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1408 	CU_ASSERT(retained_size > 0);
1409 
1410 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str2, strlen(psk_reference2) / 2, hostnqn,
1411 					       psk_retained2,
1412 					       SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256) > 0);
1413 	CU_ASSERT(memcmp(psk_retained1, psk_retained2, retained_size) != 0);
1414 
1415 	/* Make sure that retained PSKs are different with different hash and the same input PSKs. */
1416 	psk_retained_len1 = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2,
1417 			    hostnqn, psk_retained1, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1418 	CU_ASSERT(psk_retained_len1 > 0);
1419 	psk_retained_len2 = nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2,
1420 			    hostnqn, psk_retained2, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA384);
1421 	CU_ASSERT(psk_retained_len2 > 0);
1422 	CU_ASSERT(psk_retained_len1 < psk_retained_len2);
1423 
1424 	/* Make sure that passing unknown value as hash errors out the function. */
1425 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1426 					       psk_retained1, SPDK_TLS_PSK_MAX_LEN, -1) < 0);
1427 
1428 	/* Make sure that passing buffer insufficient in size errors out the function. */
1429 	CU_ASSERT(nvme_tcp_derive_retained_psk(unhexlified_str1, strlen(psk_reference1) / 2, hostnqn,
1430 					       too_small_psk_retained, sizeof(too_small_psk_retained), NVME_TCP_HASH_ALGORITHM_SHA256) < 0);
1431 }
1432 
1433 static void
1434 test_nvmf_tcp_tls_generate_tls_psk(void)
1435 {
1436 	const char psk_id_reference[] = {"NVMe0R01 nqn.2016-06.io.spdk:host1 nqn.2016-06.io.spdk:cnode1"};
1437 	const char hostnqn[] = {"nqn.2016-06.io.spdk:host1"};
1438 	const char psk_reference[] = {"1234567890ABCDEF"};
1439 	char *unhexlified;
1440 	uint8_t unhexlified_str[SPDK_TLS_PSK_MAX_LEN] = {};
1441 	uint8_t psk_retained[SPDK_TLS_PSK_MAX_LEN] = {};
1442 	uint8_t psk_key1[SPDK_TLS_PSK_MAX_LEN] = {}, psk_key2[SPDK_TLS_PSK_MAX_LEN] = {};
1443 	uint8_t too_small_psk_tls[5] = {};
1444 	int retained_size, tls_size;
1445 
1446 	unhexlified = spdk_unhexlify(psk_reference);
1447 	CU_ASSERT(unhexlified != NULL);
1448 
1449 	memcpy(unhexlified_str, unhexlified, strlen(psk_reference) / 2);
1450 	free(unhexlified);
1451 
1452 	retained_size = nvme_tcp_derive_retained_psk(unhexlified_str, strlen(psk_reference) / 2, hostnqn,
1453 			psk_retained, SPDK_TLS_PSK_MAX_LEN, NVME_TCP_HASH_ALGORITHM_SHA256);
1454 	CU_ASSERT(retained_size > 0);
1455 
1456 	/* Make sure that different cipher suites produce different TLS PSKs. */
1457 	tls_size = nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference, psk_key1,
1458 					   SPDK_TLS_PSK_MAX_LEN, NVME_TCP_CIPHER_AES_128_GCM_SHA256);
1459 	CU_ASSERT(tls_size > 0);
1460 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference, psk_key2,
1461 					  SPDK_TLS_PSK_MAX_LEN, NVME_TCP_CIPHER_AES_256_GCM_SHA384) > 0);
1462 	CU_ASSERT(memcmp(psk_key1, psk_key2, tls_size) != 0);
1463 
1464 	/* Make sure that passing unknown value as hash errors out the function. */
1465 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference,
1466 					  psk_key1, SPDK_TLS_PSK_MAX_LEN, UINT8_MAX) < 0);
1467 
1468 	/* Make sure that passing buffer insufficient in size errors out the function. */
1469 	CU_ASSERT(nvme_tcp_derive_tls_psk(psk_retained, retained_size, psk_id_reference,
1470 					  too_small_psk_tls, sizeof(too_small_psk_tls),
1471 					  NVME_TCP_CIPHER_AES_128_GCM_SHA256) < 0);
1472 }
1473 
1474 int
1475 main(int argc, char **argv)
1476 {
1477 	CU_pSuite	suite = NULL;
1478 	unsigned int	num_failures;
1479 
1480 	CU_initialize_registry();
1481 
1482 	suite = CU_add_suite("nvmf", NULL, NULL);
1483 
1484 	CU_ADD_TEST(suite, test_nvmf_tcp_create);
1485 	CU_ADD_TEST(suite, test_nvmf_tcp_destroy);
1486 	CU_ADD_TEST(suite, test_nvmf_tcp_poll_group_create);
1487 	CU_ADD_TEST(suite, test_nvmf_tcp_send_c2h_data);
1488 	CU_ADD_TEST(suite, test_nvmf_tcp_h2c_data_hdr_handle);
1489 	CU_ADD_TEST(suite, test_nvmf_tcp_in_capsule_data_handle);
1490 	CU_ADD_TEST(suite, test_nvmf_tcp_qpair_init_mem_resource);
1491 	CU_ADD_TEST(suite, test_nvmf_tcp_send_c2h_term_req);
1492 	CU_ADD_TEST(suite, test_nvmf_tcp_send_capsule_resp_pdu);
1493 	CU_ADD_TEST(suite, test_nvmf_tcp_icreq_handle);
1494 	CU_ADD_TEST(suite, test_nvmf_tcp_check_xfer_type);
1495 	CU_ADD_TEST(suite, test_nvmf_tcp_invalid_sgl);
1496 	CU_ADD_TEST(suite, test_nvmf_tcp_pdu_ch_handle);
1497 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_add_remove_credentials);
1498 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_psk_id);
1499 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_retained_psk);
1500 	CU_ADD_TEST(suite, test_nvmf_tcp_tls_generate_tls_psk);
1501 
1502 	num_failures = spdk_ut_run_tests(argc, argv, NULL);
1503 	CU_cleanup_registry();
1504 	return num_failures;
1505 }
1506