xref: /dpdk/app/test/test_member.c (revision 3c60274c)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2017 Intel Corporation
3  */
4 
5 /* This test is for membership library's simple feature test */
6 
7 #include "test.h"
8 
9 #include <rte_memcpy.h>
10 #include <rte_malloc.h>
11 
12 #ifdef RTE_EXEC_ENV_WINDOWS
13 static int
test_member(void)14 test_member(void)
15 {
16 	printf("member not supported on Windows, skipping test\n");
17 	return TEST_SKIPPED;
18 }
19 
20 #else
21 
22 #include <rte_member.h>
23 #include <rte_byteorder.h>
24 #include <rte_random.h>
25 #include <rte_debug.h>
26 #include <rte_ip.h>
27 
28 struct rte_member_setsum *setsum_ht;
29 struct rte_member_setsum *setsum_cache;
30 struct rte_member_setsum *setsum_vbf;
31 
32 /* 5-tuple key type */
33 struct flow_key {
34 	uint32_t ip_src;
35 	uint32_t ip_dst;
36 	uint16_t port_src;
37 	uint16_t port_dst;
38 	uint8_t proto;
39 } __rte_packed;
40 
41 /* Set ID Macros for multimatch test usage */
42 #define M_MATCH_S 1	/* Not start with 0 since by default 0 means no match */
43 #define M_MATCH_E 15
44 #define M_MATCH_STEP 2
45 #define M_MATCH_CNT \
46 	(1 + (M_MATCH_E - M_MATCH_S) / M_MATCH_STEP)
47 
48 
49 #define NUM_SAMPLES 5
50 #define MAX_MATCH 32
51 
52 /* Keys used by unit test functions */
53 static struct flow_key keys[NUM_SAMPLES] = {
54 	{
55 		.ip_src = RTE_IPV4(0x03, 0x02, 0x01, 0x00),
56 		.ip_dst = RTE_IPV4(0x07, 0x06, 0x05, 0x04),
57 		.port_src = 0x0908,
58 		.port_dst = 0x0b0a,
59 		.proto = 0x0c,
60 	},
61 	{
62 		.ip_src = RTE_IPV4(0x13, 0x12, 0x11, 0x10),
63 		.ip_dst = RTE_IPV4(0x17, 0x16, 0x15, 0x14),
64 		.port_src = 0x1918,
65 		.port_dst = 0x1b1a,
66 		.proto = 0x1c,
67 	},
68 	{
69 		.ip_src = RTE_IPV4(0x23, 0x22, 0x21, 0x20),
70 		.ip_dst = RTE_IPV4(0x27, 0x26, 0x25, 0x24),
71 		.port_src = 0x2928,
72 		.port_dst = 0x2b2a,
73 		.proto = 0x2c,
74 	},
75 	{
76 		.ip_src = RTE_IPV4(0x33, 0x32, 0x31, 0x30),
77 		.ip_dst = RTE_IPV4(0x37, 0x36, 0x35, 0x34),
78 		.port_src = 0x3938,
79 		.port_dst = 0x3b3a,
80 		.proto = 0x3c,
81 	},
82 	{
83 		.ip_src = RTE_IPV4(0x43, 0x42, 0x41, 0x40),
84 		.ip_dst = RTE_IPV4(0x47, 0x46, 0x45, 0x44),
85 		.port_src = 0x4948,
86 		.port_dst = 0x4b4a,
87 		.proto = 0x4c,
88 	}
89 };
90 
91 uint32_t test_set[NUM_SAMPLES] = {1, 2, 3, 4, 5};
92 
93 #define ITERATIONS  3
94 #define KEY_SIZE  4
95 
96 #define MAX_ENTRIES (1 << 16)
97 uint8_t generated_keys[MAX_ENTRIES][KEY_SIZE];
98 
99 static struct rte_member_parameters params = {
100 		.num_keys = MAX_ENTRIES,	/* Total hash table entries. */
101 		.key_len = KEY_SIZE,		/* Length of hash key. */
102 
103 		/* num_set and false_positive_rate only relevant to vBF */
104 		.num_set = 16,
105 		.false_positive_rate = 0.03,
106 		.prim_hash_seed = 1,
107 		.sec_hash_seed = 11,
108 		.socket_id = 0			/* NUMA Socket ID for memory. */
109 };
110 
111 /*
112  * Sequence of operations for find existing setsummary
113  *
114  *  - create setsum
115  *  - find existing setsum: hit
116  *  - find non-existing setsum: miss
117  *
118  */
119 static int
test_member_find_existing(void)120 test_member_find_existing(void)
121 {
122 	struct rte_member_setsum *tmp_setsum = NULL, *result = NULL;
123 	struct rte_member_parameters tmp_params = {
124 		.name = "member_find_existing",
125 		.num_keys = MAX_ENTRIES,	/* Total hash table entries. */
126 		.key_len = KEY_SIZE,		/* Length of hash key. */
127 		.type = RTE_MEMBER_TYPE_HT,
128 		.num_set = 32,
129 		.false_positive_rate = 0.03,
130 		.prim_hash_seed = 1,
131 		.sec_hash_seed = 11,
132 		.socket_id = 0			/* NUMA Socket ID for memory. */
133 	};
134 
135 	/* Create */
136 	tmp_setsum = rte_member_create(&tmp_params);
137 	TEST_ASSERT(tmp_setsum != NULL, "setsum creation failed");
138 
139 	/* Try to find existing hash table */
140 	result = rte_member_find_existing("member_find_existing");
141 	TEST_ASSERT(result == tmp_setsum, "could not find existing setsum");
142 
143 	/* Try to find non-existing hash table */
144 	result = rte_member_find_existing("member_find_non_existing");
145 	TEST_ASSERT(result == NULL, "found setsum that shouldn't exist");
146 
147 	/* Cleanup. */
148 	rte_member_free(tmp_setsum);
149 
150 	return 0;
151 }
152 
153 /*
154  * Test for bad creating parameters
155  */
156 static int
test_member_create_bad_param(void)157 test_member_create_bad_param(void)
158 {
159 	struct rte_member_setsum *bad_setsum = NULL;
160 	struct rte_member_parameters bad_params = {
161 		.num_keys = MAX_ENTRIES,	/* Total hash table entries. */
162 		.key_len = KEY_SIZE,		/* Length of hash key. */
163 		.type = RTE_MEMBER_TYPE_HT,
164 		.num_set = 32,
165 		.false_positive_rate = 0.03,
166 		.prim_hash_seed = 1,
167 		.sec_hash_seed = 11,
168 		.socket_id = 0			/* NUMA Socket ID for memory. */
169 	};
170 
171 	printf("Expected error section begin...\n");
172 	bad_params.name = "bad_param1";
173 	bad_params.num_set = 0;
174 	bad_params.type = RTE_MEMBER_TYPE_VBF;
175 	/* Test with 0 set for vBF should fail */
176 	bad_setsum = rte_member_create(&bad_params);
177 	if (bad_setsum != NULL) {
178 		rte_member_free(bad_setsum);
179 		printf("Impossible creating setsum successfully with invalid "
180 			"number of set for vBF\n");
181 		return -1;
182 	}
183 
184 	bad_params.name = "bad_param2";
185 	bad_params.false_positive_rate = 0;
186 	bad_params.num_set = 32;
187 	/* Test with 0 false positive for vBF should fail */
188 	bad_setsum = rte_member_create(&bad_params);
189 	if (bad_setsum != NULL) {
190 		rte_member_free(bad_setsum);
191 		printf("Impossible creating setsum successfully with invalid "
192 			"false positive rate for vBF\n");
193 		return -1;
194 	}
195 
196 	bad_params.name = "bad_param3";
197 	bad_params.false_positive_rate = 0.03;
198 	bad_params.num_keys = 0;
199 	/* Test with 0 key per BF for vBF should fail */
200 	bad_setsum = rte_member_create(&bad_params);
201 	if (bad_setsum != NULL) {
202 		rte_member_free(bad_setsum);
203 		printf("Impossible creating setsum successfully with invalid "
204 			"num_keys for vBF\n");
205 		return -1;
206 	}
207 
208 	bad_params.name = "bad_param4";
209 	bad_params.type = RTE_MEMBER_TYPE_HT;
210 	bad_params.num_keys = RTE_MEMBER_BUCKET_ENTRIES / 2;
211 	/* Test with less than 1 bucket for HTSS should fail */
212 	bad_setsum = rte_member_create(&bad_params);
213 	if (bad_setsum != NULL) {
214 		rte_member_free(bad_setsum);
215 		printf("Impossible creating setsum successfully with too few "
216 			"number of keys(entries) for HT\n");
217 		return -1;
218 	}
219 
220 	bad_params.name = "bad_param5";
221 	bad_params.num_keys = RTE_MEMBER_ENTRIES_MAX + 1;
222 	/* Test with more than maximum entries for HTSS should fail */
223 	bad_setsum = rte_member_create(&bad_params);
224 	if (bad_setsum != NULL) {
225 		rte_member_free(bad_setsum);
226 		printf("Impossible creating setsum successfully with to many "
227 			"number of keys(entries) for HT\n");
228 		return -1;
229 	}
230 
231 	bad_params.name = "bad_param5";
232 	/* Test with same name should fail */
233 	bad_setsum = rte_member_create(&bad_params);
234 	if (bad_setsum != NULL) {
235 		rte_member_free(bad_setsum);
236 		printf("Impossible creating setsum successfully with existed "
237 			"name\n");
238 		return -1;
239 	}
240 	printf("Expected error section end...\n");
241 	rte_member_free(bad_setsum);
242 	return 0;
243 }
244 
245 /* Create test setsummaries. */
test_member_create(void)246 static int test_member_create(void)
247 {
248 	params.key_len = sizeof(struct flow_key);
249 
250 	params.name = "test_member_ht";
251 	params.is_cache = 0;
252 	params.type = RTE_MEMBER_TYPE_HT;
253 	setsum_ht = rte_member_create(&params);
254 
255 	params.name = "test_member_cache";
256 	params.is_cache = 1;
257 	setsum_cache = rte_member_create(&params);
258 
259 	params.name = "test_member_vbf";
260 	params.type = RTE_MEMBER_TYPE_VBF;
261 	setsum_vbf = rte_member_create(&params);
262 
263 	if (setsum_ht == NULL || setsum_cache == NULL || setsum_vbf == NULL) {
264 		printf("Creation of setsums fail\n");
265 		return -1;
266 	}
267 	printf("Creation of setsums success\n");
268 	return 0;
269 }
270 
test_member_insert(void)271 static int test_member_insert(void)
272 {
273 	int ret_ht, ret_cache, ret_vbf, i;
274 
275 	for (i = 0; i < NUM_SAMPLES; i++) {
276 		ret_ht = rte_member_add(setsum_ht, &keys[i], test_set[i]);
277 		ret_cache = rte_member_add(setsum_cache, &keys[i],
278 						test_set[i]);
279 		ret_vbf = rte_member_add(setsum_vbf, &keys[i], test_set[i]);
280 		TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0 && ret_vbf >= 0,
281 				"insert error");
282 	}
283 	printf("insert key success\n");
284 	return 0;
285 }
286 
test_member_lookup(void)287 static int test_member_lookup(void)
288 {
289 	int ret_ht, ret_cache, ret_vbf, i;
290 	uint16_t set_ht, set_cache, set_vbf;
291 	member_set_t set_ids_ht[NUM_SAMPLES] = {0};
292 	member_set_t set_ids_cache[NUM_SAMPLES] = {0};
293 	member_set_t set_ids_vbf[NUM_SAMPLES] = {0};
294 
295 	uint32_t num_key_ht = NUM_SAMPLES;
296 	uint32_t num_key_cache = NUM_SAMPLES;
297 	uint32_t num_key_vbf = NUM_SAMPLES;
298 
299 	const void *key_array[NUM_SAMPLES];
300 
301 	/* Single lookup test */
302 	for (i = 0; i < NUM_SAMPLES; i++) {
303 		ret_ht = rte_member_lookup(setsum_ht, &keys[i], &set_ht);
304 		ret_cache = rte_member_lookup(setsum_cache, &keys[i],
305 							&set_cache);
306 		ret_vbf = rte_member_lookup(setsum_vbf, &keys[i], &set_vbf);
307 		TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0 && ret_vbf >= 0,
308 				"single lookup function error");
309 
310 		TEST_ASSERT(set_ht == test_set[i] &&
311 				set_cache == test_set[i] &&
312 				set_vbf == test_set[i],
313 				"single lookup set value error");
314 	}
315 	printf("lookup single key success\n");
316 
317 	/* Bulk lookup test */
318 	for (i = 0; i < NUM_SAMPLES; i++)
319 		key_array[i] = &keys[i];
320 
321 	ret_ht = rte_member_lookup_bulk(setsum_ht, key_array,
322 			num_key_ht, set_ids_ht);
323 
324 	ret_cache = rte_member_lookup_bulk(setsum_cache, key_array,
325 			num_key_cache, set_ids_cache);
326 
327 	ret_vbf = rte_member_lookup_bulk(setsum_vbf, key_array,
328 			num_key_vbf, set_ids_vbf);
329 
330 	TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0 && ret_vbf >= 0,
331 			"bulk lookup function error");
332 
333 	for (i = 0; i < NUM_SAMPLES; i++) {
334 		TEST_ASSERT((set_ids_ht[i] == test_set[i]) &&
335 				(set_ids_cache[i] == test_set[i]) &&
336 				(set_ids_vbf[i] == test_set[i]),
337 				"bulk lookup result error");
338 	}
339 
340 	return 0;
341 }
342 
test_member_delete(void)343 static int test_member_delete(void)
344 {
345 	int ret_ht, ret_cache, ret_vbf, i;
346 	uint16_t set_ht, set_cache, set_vbf;
347 	const void *key_array[NUM_SAMPLES];
348 	member_set_t set_ids_ht[NUM_SAMPLES] = {0};
349 	member_set_t set_ids_cache[NUM_SAMPLES] = {0};
350 	member_set_t set_ids_vbf[NUM_SAMPLES] = {0};
351 	uint32_t num_key_ht = NUM_SAMPLES;
352 	uint32_t num_key_cache = NUM_SAMPLES;
353 	uint32_t num_key_vbf = NUM_SAMPLES;
354 
355 	/* Delete part of all inserted keys */
356 	for (i = 0; i < NUM_SAMPLES / 2; i++) {
357 		ret_ht = rte_member_delete(setsum_ht, &keys[i], test_set[i]);
358 		ret_cache = rte_member_delete(setsum_cache, &keys[i],
359 						test_set[i]);
360 		ret_vbf = rte_member_delete(setsum_vbf, &keys[i], test_set[i]);
361 		/* VBF does not support delete yet, so return error code */
362 		TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0,
363 				"key deletion function error");
364 		TEST_ASSERT(ret_vbf < 0,
365 				"vbf does not support deletion, error");
366 	}
367 
368 	for (i = 0; i < NUM_SAMPLES; i++)
369 		key_array[i] = &keys[i];
370 
371 	ret_ht = rte_member_lookup_bulk(setsum_ht, key_array,
372 			num_key_ht, set_ids_ht);
373 
374 	ret_cache = rte_member_lookup_bulk(setsum_cache, key_array,
375 			num_key_cache, set_ids_cache);
376 
377 	ret_vbf = rte_member_lookup_bulk(setsum_vbf, key_array,
378 			num_key_vbf, set_ids_vbf);
379 
380 	TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0 && ret_vbf >= 0,
381 			"bulk lookup function error");
382 
383 	for (i = 0; i < NUM_SAMPLES / 2; i++) {
384 		TEST_ASSERT((set_ids_ht[i] == RTE_MEMBER_NO_MATCH) &&
385 				(set_ids_cache[i] == RTE_MEMBER_NO_MATCH),
386 				"bulk lookup result error");
387 	}
388 
389 	for (i = NUM_SAMPLES / 2; i < NUM_SAMPLES; i++) {
390 		TEST_ASSERT((set_ids_ht[i] == test_set[i]) &&
391 				(set_ids_cache[i] == test_set[i]) &&
392 				(set_ids_vbf[i] == test_set[i]),
393 				"bulk lookup result error");
394 	}
395 
396 	/* Delete the left of inserted keys */
397 	for (i = NUM_SAMPLES / 2; i < NUM_SAMPLES; i++) {
398 		ret_ht = rte_member_delete(setsum_ht, &keys[i], test_set[i]);
399 		ret_cache = rte_member_delete(setsum_cache, &keys[i],
400 						test_set[i]);
401 		ret_vbf = rte_member_delete(setsum_vbf, &keys[i], test_set[i]);
402 		/* VBF does not support delete yet, so return error code */
403 		TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0,
404 				"key deletion function error");
405 		TEST_ASSERT(ret_vbf < 0,
406 				"vbf does not support deletion, error");
407 	}
408 
409 	for (i = 0; i < NUM_SAMPLES; i++) {
410 		ret_ht = rte_member_lookup(setsum_ht, &keys[i], &set_ht);
411 		ret_cache = rte_member_lookup(setsum_cache, &keys[i],
412 						&set_cache);
413 		ret_vbf = rte_member_lookup(setsum_vbf, &keys[i], &set_vbf);
414 		TEST_ASSERT(ret_ht >= 0 && ret_cache >= 0,
415 				"key lookup function error");
416 		TEST_ASSERT(set_ht == RTE_MEMBER_NO_MATCH &&
417 				ret_cache == RTE_MEMBER_NO_MATCH,
418 				"key deletion failed");
419 	}
420 	/* Reset vbf for other following tests */
421 	rte_member_reset(setsum_vbf);
422 
423 	printf("delete success\n");
424 	return 0;
425 }
426 
test_member_multimatch(void)427 static int test_member_multimatch(void)
428 {
429 	int ret_ht, ret_vbf, ret_cache;
430 	member_set_t set_ids_ht[MAX_MATCH] = {0};
431 	member_set_t set_ids_vbf[MAX_MATCH] = {0};
432 	member_set_t set_ids_cache[MAX_MATCH] = {0};
433 
434 	member_set_t set_ids_ht_m[NUM_SAMPLES][MAX_MATCH] = {{0} };
435 	member_set_t set_ids_vbf_m[NUM_SAMPLES][MAX_MATCH] = {{0} };
436 	member_set_t set_ids_cache_m[NUM_SAMPLES][MAX_MATCH] = {{0} };
437 
438 	uint32_t match_count_ht[NUM_SAMPLES];
439 	uint32_t match_count_vbf[NUM_SAMPLES];
440 	uint32_t match_count_cache[NUM_SAMPLES];
441 
442 	uint32_t num_key_ht = NUM_SAMPLES;
443 	uint32_t num_key_vbf = NUM_SAMPLES;
444 	uint32_t num_key_cache = NUM_SAMPLES;
445 
446 	const void *key_array[NUM_SAMPLES];
447 
448 	uint32_t i, j;
449 
450 	/* Same key at most inserted 2*entry_per_bucket times for HT mode */
451 	for (i = M_MATCH_S; i <= M_MATCH_E; i += M_MATCH_STEP) {
452 		for (j = 0; j < NUM_SAMPLES; j++) {
453 			ret_ht = rte_member_add(setsum_ht, &keys[j], i);
454 			ret_vbf = rte_member_add(setsum_vbf, &keys[j], i);
455 			ret_cache = rte_member_add(setsum_cache, &keys[j], i);
456 
457 			TEST_ASSERT(ret_ht >= 0 && ret_vbf >= 0 &&
458 					ret_cache >= 0,
459 					"insert function error");
460 		}
461 	}
462 
463 	/* Single multimatch test */
464 	for (i = 0; i < NUM_SAMPLES; i++) {
465 		ret_vbf = rte_member_lookup_multi(setsum_vbf, &keys[i],
466 							MAX_MATCH, set_ids_vbf);
467 		ret_ht = rte_member_lookup_multi(setsum_ht, &keys[i],
468 							MAX_MATCH, set_ids_ht);
469 		ret_cache = rte_member_lookup_multi(setsum_cache, &keys[i],
470 						MAX_MATCH, set_ids_cache);
471 		/*
472 		 * For cache mode, keys overwrite when signature same.
473 		 * the multimatch should work like single match.
474 		 */
475 		TEST_ASSERT(ret_ht == M_MATCH_CNT && ret_vbf == M_MATCH_CNT &&
476 				ret_cache == 1,
477 				"single lookup_multi error");
478 		TEST_ASSERT(set_ids_cache[0] == M_MATCH_E,
479 				"single lookup_multi cache error");
480 
481 		for (j = 1; j <= M_MATCH_CNT; j++) {
482 			TEST_ASSERT(set_ids_ht[j-1] == j * M_MATCH_STEP - 1 &&
483 					set_ids_vbf[j-1] ==
484 							j * M_MATCH_STEP - 1,
485 					"single multimatch lookup error");
486 		}
487 	}
488 	printf("lookup single key for multimatch success\n");
489 
490 	/* Bulk multimatch test */
491 	for (i = 0; i < NUM_SAMPLES; i++)
492 		key_array[i] = &keys[i];
493 	ret_vbf = rte_member_lookup_multi_bulk(setsum_vbf,
494 			&key_array[0], num_key_ht, MAX_MATCH, match_count_vbf,
495 			(member_set_t *)set_ids_vbf_m);
496 
497 	ret_ht = rte_member_lookup_multi_bulk(setsum_ht,
498 			&key_array[0], num_key_vbf, MAX_MATCH, match_count_ht,
499 			(member_set_t *)set_ids_ht_m);
500 
501 	ret_cache = rte_member_lookup_multi_bulk(setsum_cache,
502 			&key_array[0], num_key_cache, MAX_MATCH,
503 			match_count_cache, (member_set_t *)set_ids_cache_m);
504 
505 
506 	for (j = 0; j < NUM_SAMPLES; j++) {
507 		TEST_ASSERT(match_count_ht[j] == M_MATCH_CNT,
508 			"bulk multimatch lookup HT match count error");
509 		TEST_ASSERT(match_count_vbf[j] == M_MATCH_CNT,
510 			"bulk multimatch lookup vBF match count error");
511 		TEST_ASSERT(match_count_cache[j] == 1,
512 			"bulk multimatch lookup CACHE match count error");
513 		TEST_ASSERT(set_ids_cache_m[j][0] == M_MATCH_E,
514 			"bulk multimatch lookup CACHE set value error");
515 
516 		for (i = 1; i <= M_MATCH_CNT; i++) {
517 			TEST_ASSERT(set_ids_ht_m[j][i-1] ==
518 							i * M_MATCH_STEP - 1,
519 				"bulk multimatch lookup HT set value error");
520 			TEST_ASSERT(set_ids_vbf_m[j][i-1] ==
521 							i * M_MATCH_STEP - 1,
522 				"bulk multimatch lookup vBF set value error");
523 		}
524 	}
525 
526 	printf("lookup for bulk multimatch success\n");
527 
528 	return 0;
529 }
530 
key_compare(const void * key1,const void * key2)531 static int key_compare(const void *key1, const void *key2)
532 {
533 	return memcmp(key1, key2, KEY_SIZE);
534 }
535 
536 static void
setup_keys_and_data(void)537 setup_keys_and_data(void)
538 {
539 	unsigned int i, j;
540 	int num_duplicates;
541 
542 	/* Reset all arrays */
543 	for (i = 0; i < KEY_SIZE; i++)
544 		generated_keys[0][i] = 0;
545 
546 	/* Generate a list of keys, some of which may be duplicates */
547 	for (i = 0; i < MAX_ENTRIES; i++) {
548 		for (j = 0; j < KEY_SIZE; j++)
549 			generated_keys[i][j] = rte_rand() & 0xFF;
550 	}
551 
552 	/* Remove duplicates from the keys array */
553 	do {
554 		num_duplicates = 0;
555 		/* Sort the list of keys to make it easier to find duplicates */
556 		qsort(generated_keys, MAX_ENTRIES, KEY_SIZE, key_compare);
557 
558 		/* Sift through the list of keys and look for duplicates */
559 		int num_duplicates = 0;
560 		for (i = 0; i < MAX_ENTRIES - 1; i++) {
561 			if (memcmp(generated_keys[i], generated_keys[i + 1],
562 					KEY_SIZE) == 0) {
563 				/* This key already exists, try again */
564 				num_duplicates++;
565 				for (j = 0; j < KEY_SIZE; j++)
566 					generated_keys[i][j] =
567 							rte_rand() & 0xFF;
568 			}
569 		}
570 	} while (num_duplicates != 0);
571 }
572 
573 static inline int
add_generated_keys(struct rte_member_setsum * setsum,unsigned int * added_keys)574 add_generated_keys(struct rte_member_setsum *setsum, unsigned int *added_keys)
575 {
576 	int ret = 0;
577 
578 	for (*added_keys = 0; ret >= 0 && *added_keys < MAX_ENTRIES;
579 			(*added_keys)++) {
580 		uint16_t set = (rte_rand() & 0xf) + 1;
581 		ret = rte_member_add(setsum, &generated_keys[*added_keys], set);
582 	}
583 	return ret;
584 }
585 
586 static inline int
add_generated_keys_cache(struct rte_member_setsum * setsum,unsigned int * added_keys)587 add_generated_keys_cache(struct rte_member_setsum *setsum,
588 				unsigned int *added_keys)
589 {
590 	int ret = 0;
591 
592 	for (*added_keys = 0; ret == 0 && *added_keys < MAX_ENTRIES;
593 			(*added_keys)++) {
594 		uint16_t set = (rte_rand() & 0xf) + 1;
595 		ret = rte_member_add(setsum, &generated_keys[*added_keys], set);
596 	}
597 	return ret;
598 }
599 
600 static int
test_member_loadfactor(void)601 test_member_loadfactor(void)
602 {
603 	unsigned  int j;
604 	unsigned int added_keys, average_keys_added = 0;
605 	int ret;
606 
607 	setup_keys_and_data();
608 
609 	rte_member_free(setsum_ht);
610 	rte_member_free(setsum_cache);
611 	rte_member_free(setsum_vbf);
612 
613 	params.key_len = KEY_SIZE;
614 	params.name = "test_member_ht";
615 	params.is_cache = 0;
616 	params.type = RTE_MEMBER_TYPE_HT;
617 	setsum_ht = rte_member_create(&params);
618 
619 	params.name = "test_member_cache";
620 	params.is_cache = 1;
621 	setsum_cache = rte_member_create(&params);
622 
623 
624 	if (setsum_ht == NULL || setsum_cache == NULL) {
625 		printf("Creation of setsums fail\n");
626 		return -1;
627 	}
628 	/* Test HT non-cache mode */
629 	for (j = 0; j < ITERATIONS; j++) {
630 		/* Add random entries until key cannot be added */
631 		ret = add_generated_keys(setsum_ht, &added_keys);
632 		if (ret != -ENOSPC) {
633 			printf("Unexpected error when adding keys\n");
634 			return -1;
635 		}
636 		average_keys_added += added_keys;
637 
638 		/* Reset the table */
639 		rte_member_reset(setsum_ht);
640 
641 		/* Print a dot to show progress on operations */
642 		printf(".");
643 		fflush(stdout);
644 	}
645 
646 	average_keys_added /= ITERATIONS;
647 
648 	printf("\nKeys inserted when no space(non-cache) = %.2f%% (%u/%u)\n",
649 		((double) average_keys_added / params.num_keys * 100),
650 		average_keys_added, params.num_keys);
651 
652 	/* Test cache mode */
653 	added_keys = average_keys_added = 0;
654 	for (j = 0; j < ITERATIONS; j++) {
655 		/* Add random entries until key cannot be added */
656 		ret = add_generated_keys_cache(setsum_cache, &added_keys);
657 		if (ret != 1) {
658 			printf("Unexpected error when adding keys\n");
659 			return -1;
660 		}
661 		average_keys_added += added_keys;
662 
663 		/* Reset the table */
664 		rte_member_reset(setsum_cache);
665 
666 		/* Print a dot to show progress on operations */
667 		printf(".");
668 		fflush(stdout);
669 	}
670 
671 	average_keys_added /= ITERATIONS;
672 
673 	printf("\nKeys inserted when eviction happens(cache)= %.2f%% (%u/%u)\n",
674 		((double) average_keys_added / params.num_keys * 100),
675 		average_keys_added, params.num_keys);
676 	return 0;
677 }
678 
679 static void
perform_free(void)680 perform_free(void)
681 {
682 	rte_member_free(setsum_ht);
683 	rte_member_free(setsum_cache);
684 	rte_member_free(setsum_vbf);
685 }
686 
687 static int
test_member(void)688 test_member(void)
689 {
690 	if (test_member_create_bad_param() < 0)
691 		return -1;
692 
693 	if (test_member_find_existing() < 0)
694 		return -1;
695 
696 	if (test_member_create() < 0) {
697 		perform_free();
698 		return -1;
699 	}
700 	if (test_member_insert() < 0) {
701 		perform_free();
702 		return -1;
703 	}
704 	if (test_member_lookup() < 0) {
705 		perform_free();
706 		return -1;
707 	}
708 	if (test_member_delete() < 0) {
709 		perform_free();
710 		return -1;
711 	}
712 	if (test_member_multimatch() < 0) {
713 		perform_free();
714 		return -1;
715 	}
716 	if (test_member_loadfactor() < 0) {
717 		rte_member_free(setsum_ht);
718 		rte_member_free(setsum_cache);
719 		return -1;
720 	}
721 
722 	perform_free();
723 	return 0;
724 }
725 
726 #endif /* !RTE_EXEC_ENV_WINDOWS */
727 
728 REGISTER_TEST_COMMAND(member_autotest, test_member);
729