aboutsummaryrefslogtreecommitdiffstats
path: root/lib/librte_member/rte_member.c
blob: cc9ea84ae4493dd1791edfce8387074882528b2a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2017 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <string.h>

#include <rte_eal.h>
#include <rte_eal_memconfig.h>
#include <rte_memory.h>
#include <rte_malloc.h>
#include <rte_errno.h>

#include "rte_member.h"
#include "rte_member_ht.h"
#include "rte_member_vbf.h"

int librte_member_logtype;

TAILQ_HEAD(rte_member_list, rte_tailq_entry);
static struct rte_tailq_elem rte_member_tailq = {
	.name = "RTE_MEMBER",
};
EAL_REGISTER_TAILQ(rte_member_tailq)

struct rte_member_setsum *
rte_member_find_existing(const char *name)
{
	struct rte_member_setsum *setsum = NULL;
	struct rte_tailq_entry *te;
	struct rte_member_list *member_list;

	member_list = RTE_TAILQ_CAST(rte_member_tailq.head, rte_member_list);

	rte_rwlock_read_lock(RTE_EAL_TAILQ_RWLOCK);
	TAILQ_FOREACH(te, member_list, next) {
		setsum = (struct rte_member_setsum *) te->data;
		if (strncmp(name, setsum->name, RTE_MEMBER_NAMESIZE) == 0)
			break;
	}
	rte_rwlock_read_unlock(RTE_EAL_TAILQ_RWLOCK);

	if (te == NULL) {
		rte_errno = ENOENT;
		return NULL;
	}
	return setsum;
}

void
rte_member_free(struct rte_member_setsum *setsum)
{
	struct rte_member_list *member_list;
	struct rte_tailq_entry *te;

	if (setsum == NULL)
		return;
	member_list = RTE_TAILQ_CAST(rte_member_tailq.head, rte_member_list);
	rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK);
	TAILQ_FOREACH(te, member_list, next) {
		if (te->data == (void *)setsum)
			break;
	}
	if (te == NULL) {
		rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
		return;
	}
	TAILQ_REMOVE(member_list, te, next);
	rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);

	switch (setsum->type) {
	case RTE_MEMBER_TYPE_HT:
		rte_member_free_ht(setsum);
		break;
	case RTE_MEMBER_TYPE_VBF:
		rte_member_free_vbf(setsum);
		break;
	default:
		break;
	}
	rte_free(setsum);
	rte_free(te);
}

struct rte_member_setsum *
rte_member_create(const struct rte_member_parameters *params)
{
	struct rte_tailq_entry *te;
	struct rte_member_list *member_list;
	struct rte_member_setsum *setsum;
	int ret;

	if (params == NULL) {
		rte_errno = EINVAL;
		return NULL;
	}

	if (params->key_len == 0 ||
			params->prim_hash_seed == params->sec_hash_seed) {
		rte_errno = EINVAL;
		RTE_MEMBER_LOG(ERR, "Create setsummary with "
					"invalid parameters\n");
		return NULL;
	}

	member_list = RTE_TAILQ_CAST(rte_member_tailq.head, rte_member_list);

	rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK);

	TAILQ_FOREACH(te, member_list, next) {
		setsum = (struct rte_member_setsum *) te->data;
		if (strncmp(params->name, setsum->name,
				RTE_MEMBER_NAMESIZE) == 0)
			break;
	}
	setsum = NULL;
	if (te != NULL) {
		rte_errno = EEXIST;
		te = NULL;
		goto error_unlock_exit;
	}
	te = rte_zmalloc("MEMBER_TAILQ_ENTRY", sizeof(*te), 0);
	if (te == NULL) {
		RTE_MEMBER_LOG(ERR, "tailq entry allocation failed\n");
		goto error_unlock_exit;
	}

	/* Create a new setsum structure */
	setsum = (struct rte_member_setsum *) rte_zmalloc_socket(params->name,
			sizeof(struct rte_member_setsum), RTE_CACHE_LINE_SIZE,
			params->socket_id);
	if (setsum == NULL) {
		RTE_MEMBER_LOG(ERR, "Create setsummary failed\n");
		goto error_unlock_exit;
	}
	snprintf(setsum->name, sizeof(setsum->name), "%s", params->name);
	setsum->type = params->type;
	setsum->socket_id = params->socket_id;
	setsum->key_len = params->key_len;
	setsum->num_set = params->num_set;
	setsum->prim_hash_seed = params->prim_hash_seed;
	setsum->sec_hash_seed = params->sec_hash_seed;

	switch (setsum->type) {
	case RTE_MEMBER_TYPE_HT:
		ret = rte_member_create_ht(setsum, params);
		break;
	case RTE_MEMBER_TYPE_VBF:
		ret = rte_member_create_vbf(setsum, params);
		break;
	default:
		goto error_unlock_exit;
	}
	if (ret < 0)
		goto error_unlock_exit;

	RTE_MEMBER_LOG(DEBUG, "Creating a setsummary table with "
			"mode %u\n", setsum->type);

	te->data = (void *)setsum;
	TAILQ_INSERT_TAIL(member_list, te, next);
	rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
	return setsum;

error_unlock_exit:
	rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
	rte_member_free(setsum);
	return NULL;
}

int
rte_member_add(const struct rte_member_setsum *setsum, const void *key,
			member_set_t set_id)
{
	if (setsum == NULL || key == NULL)
		return -EINVAL;

	switch (setsum->type) {
	case RTE_MEMBER_TYPE_HT:
		return rte_member_add_ht(setsum, key, set_id);
	case RTE_MEMBER_TYPE_VBF:
		return rte_member_add_vbf(setsum, key, set_id);
	default:
		return -EINVAL;
	}
}

int
rte_member_lookup(const struct rte_member_setsum *setsum, const void *key,
			member_set_t *set_id)
{
	if (setsum == NULL || key == NULL || set_id == NULL)
		return -EINVAL;

	switch (setsum->type) {
	case RTE_MEMBER_TYPE_HT:
		return rte_member_lookup_ht(setsum, key, set_id);
	case RTE_MEMBER_TYPE_VBF:
		return rte_member_lookup_vbf(setsum, key, set_id);
	default:
		return -EINVAL;
	}
}

int
rte_member_lookup_bulk(const struct rte_member_setsum *setsum,
				const void **keys, uint32_t num_keys,
				member_set_t *set_ids)
{
	if (setsum == NULL || keys == NULL || set_ids == NULL)
		return -EINVAL;

	switch (setsum->type) {
	case RTE_MEMBER_TYPE_HT:
		return rte_member_lookup_bulk_ht(setsum, keys, num_keys,
				set_ids);
	case RTE_MEMBER_TYPE_VBF:
		return rte_member_lookup_bulk_vbf(setsum, keys, num_keys,
				set_ids);
	default:
		return -EINVAL;
	}
}

int
rte_member_lookup_multi(const struct rte_member_setsum *setsum, const void *key,
				uint32_t match_per_key, member_set_t *set_id)
{
	if (setsum == NULL || key == NULL || set_id == NULL)
		return -EINVAL;

	switch (setsum->type) {
	case RTE_MEMBER_TYPE_HT:
		return rte_member_lookup_multi_ht(setsum, key, match_per_key,
				set_id);
	case RTE_MEMBER_TYPE_VBF:
		return rte_member_lookup_multi_vbf(setsum, key, match_per_key,
				set_id);
	default:
		return -EINVAL;
	}
}

int
rte_member_lookup_multi_bulk(const struct rte_member_setsum *setsum,
			const void **keys, uint32_t num_keys,
			uint32_t max_match_per_key, uint32_t *match_count,
			member_set_t *set_ids)
{
	if (setsum == NULL || keys == NULL || set_ids == NULL ||
			match_count == NULL)
		return -EINVAL;

	switch (setsum->type) {
	case RTE_MEMBER_TYPE_HT:
		return rte_member_lookup_multi_bulk_ht(setsum, keys, num_keys,
				max_match_per_key, match_count, set_ids);
	case RTE_MEMBER_TYPE_VBF:
		return rte_member_lookup_multi_bulk_vbf(setsum, keys, num_keys,
				max_match_per_key, match_count, set_ids);
	default:
		return -EINVAL;
	}
}

int
rte_member_delete(const struct rte_member_setsum *setsum, const void *key,
			member_set_t set_id)
{
	if (setsum == NULL || key == NULL)
		return -EINVAL;

	switch (setsum->type) {
	case RTE_MEMBER_TYPE_HT:
		return rte_member_delete_ht(setsum, key, set_id);
	/* current vBF implementation does not support delete function */
	case RTE_MEMBER_TYPE_VBF:
	default:
		return -EINVAL;
	}
}

void
rte_member_reset(const struct rte_member_setsum *setsum)
{
	if (setsum == NULL)
		return;
	switch (setsum->type) {
	case RTE_MEMBER_TYPE_HT:
		rte_member_reset_ht(setsum);
		return;
	case RTE_MEMBER_TYPE_VBF:
		rte_member_reset_vbf(setsum);
		return;
	default:
		return;
	}
}

RTE_INIT(librte_member_init_log);

static void
librte_member_init_log(void)
{
	librte_member_logtype = rte_log_register("librte.member");
	if (librte_member_logtype >= 0)
		rte_log_set_level(librte_member_logtype, RTE_LOG_DEBUG);
}