2 * Copyright (c) 2017 Intel and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 #include <vnet/vnet.h>
16 #include <vnet/ip/ip.h>
17 #include <vnet/api_errno.h>
18 #include <vnet/ipsec/ipsec.h>
19 #include <vlib/node_funcs.h>
21 #include <dpdk/device/dpdk.h>
22 #include <dpdk/buffer.h>
23 #include <dpdk/ipsec/ipsec.h>
25 dpdk_crypto_main_t dpdk_crypto_main;
27 #define EMPTY_STRUCT {0}
28 #define NUM_CRYPTO_MBUFS 16384
31 algos_init (u32 n_mains)
33 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
36 vec_validate_aligned (dcm->cipher_algs, IPSEC_CRYPTO_N_ALG - 1, 8);
40 dcm->cipher_algs[IPSEC_CRYPTO_ALG_##f].name = str; \
41 dcm->cipher_algs[IPSEC_CRYPTO_ALG_##f].disabled = n_mains;
42 foreach_ipsec_crypto_alg
46 /* Minimum boundary for ciphers is 4B, required by ESP */
47 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_NONE];
48 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
49 a->alg = RTE_CRYPTO_CIPHER_NULL;
50 a->boundary = 4; /* 1 */
54 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_128];
55 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
56 a->alg = RTE_CRYPTO_CIPHER_AES_CBC;
61 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_192];
62 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
63 a->alg = RTE_CRYPTO_CIPHER_AES_CBC;
68 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_256];
69 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
70 a->alg = RTE_CRYPTO_CIPHER_AES_CBC;
75 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_128];
76 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
77 a->alg = RTE_CRYPTO_CIPHER_AES_CTR;
78 a->boundary = 4; /* 1 */
82 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_192];
83 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
84 a->alg = RTE_CRYPTO_CIPHER_AES_CTR;
85 a->boundary = 4; /* 1 */
89 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_256];
90 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
91 a->alg = RTE_CRYPTO_CIPHER_AES_CTR;
92 a->boundary = 4; /* 1 */
96 #define AES_GCM_TYPE RTE_CRYPTO_SYM_XFORM_AEAD
97 #define AES_GCM_ALG RTE_CRYPTO_AEAD_AES_GCM
99 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_128];
100 a->type = AES_GCM_TYPE;
101 a->alg = AES_GCM_ALG;
102 a->boundary = 4; /* 1 */
107 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_192];
108 a->type = AES_GCM_TYPE;
109 a->alg = AES_GCM_ALG;
110 a->boundary = 4; /* 1 */
115 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_256];
116 a->type = AES_GCM_TYPE;
117 a->alg = AES_GCM_ALG;
118 a->boundary = 4; /* 1 */
123 vec_validate (dcm->auth_algs, IPSEC_INTEG_N_ALG - 1);
127 dcm->auth_algs[IPSEC_INTEG_ALG_##f].name = str; \
128 dcm->auth_algs[IPSEC_INTEG_ALG_##f].disabled = n_mains;
129 foreach_ipsec_integ_alg
133 a = &dcm->auth_algs[IPSEC_INTEG_ALG_NONE];
134 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
135 a->alg = RTE_CRYPTO_AUTH_NULL;
139 a = &dcm->auth_algs[IPSEC_INTEG_ALG_MD5_96];
140 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
141 a->alg = RTE_CRYPTO_AUTH_MD5_HMAC;
145 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA1_96];
146 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
147 a->alg = RTE_CRYPTO_AUTH_SHA1_HMAC;
151 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_256_96];
152 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
153 a->alg = RTE_CRYPTO_AUTH_SHA256_HMAC;
157 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_256_128];
158 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
159 a->alg = RTE_CRYPTO_AUTH_SHA256_HMAC;
163 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_384_192];
164 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
165 a->alg = RTE_CRYPTO_AUTH_SHA384_HMAC;
169 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_512_256];
170 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
171 a->alg = RTE_CRYPTO_AUTH_SHA512_HMAC;
177 cipher_alg_index (const crypto_alg_t * alg)
179 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
181 return (alg - dcm->cipher_algs);
185 auth_alg_index (const crypto_alg_t * alg)
187 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
189 return (alg - dcm->auth_algs);
192 static crypto_alg_t *
193 cipher_cap_to_alg (const struct rte_cryptodev_capabilities *cap, u8 key_len)
195 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
198 if (cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
202 vec_foreach (alg, dcm->cipher_algs)
204 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) &&
205 (alg->type == RTE_CRYPTO_SYM_XFORM_CIPHER) &&
206 (cap->sym.cipher.algo == alg->alg) &&
207 (alg->key_len == key_len))
209 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) &&
210 (alg->type == RTE_CRYPTO_SYM_XFORM_AEAD) &&
211 (cap->sym.aead.algo == alg->alg) &&
212 (alg->key_len == key_len))
220 static crypto_alg_t *
221 auth_cap_to_alg (const struct rte_cryptodev_capabilities *cap, u8 trunc_size)
223 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
226 if ((cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) ||
227 (cap->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH))
231 vec_foreach (alg, dcm->auth_algs)
233 if ((cap->sym.auth.algo == alg->alg) &&
234 (alg->trunc_size == trunc_size))
243 crypto_set_aead_xform (struct rte_crypto_sym_xform *xform,
244 ipsec_sa_t * sa, u8 is_outbound)
246 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
249 c = vec_elt_at_index (dcm->cipher_algs, sa->crypto_alg);
251 ASSERT (c->type == RTE_CRYPTO_SYM_XFORM_AEAD);
253 xform->type = RTE_CRYPTO_SYM_XFORM_AEAD;
254 xform->aead.algo = c->alg;
255 xform->aead.key.data = sa->crypto_key;
256 xform->aead.key.length = c->key_len;
257 xform->aead.iv.offset =
258 crypto_op_get_priv_offset () + offsetof (dpdk_op_priv_t, cb);
259 xform->aead.iv.length = 12;
260 xform->aead.digest_length = c->trunc_size;
261 xform->aead.aad_length = sa->use_esn ? 12 : 8;
265 xform->aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
267 xform->aead.op = RTE_CRYPTO_AEAD_OP_DECRYPT;
271 crypto_set_cipher_xform (struct rte_crypto_sym_xform *xform,
272 ipsec_sa_t * sa, u8 is_outbound)
274 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
277 c = vec_elt_at_index (dcm->cipher_algs, sa->crypto_alg);
279 ASSERT (c->type == RTE_CRYPTO_SYM_XFORM_CIPHER);
281 xform->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
282 xform->cipher.algo = c->alg;
283 xform->cipher.key.data = sa->crypto_key;
284 xform->cipher.key.length = c->key_len;
285 xform->cipher.iv.offset =
286 crypto_op_get_priv_offset () + offsetof (dpdk_op_priv_t, cb);
287 xform->cipher.iv.length = c->iv_len;
291 xform->cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
293 xform->cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
297 crypto_set_auth_xform (struct rte_crypto_sym_xform *xform,
298 ipsec_sa_t * sa, u8 is_outbound)
300 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
303 a = vec_elt_at_index (dcm->auth_algs, sa->integ_alg);
305 ASSERT (a->type == RTE_CRYPTO_SYM_XFORM_AUTH);
307 xform->type = RTE_CRYPTO_SYM_XFORM_AUTH;
308 xform->auth.algo = a->alg;
309 xform->auth.key.data = sa->integ_key;
310 xform->auth.key.length = a->key_len;
311 xform->auth.digest_length = a->trunc_size;
315 xform->auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
317 xform->auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
321 create_sym_session (struct rte_cryptodev_sym_session **session,
323 crypto_resource_t * res,
324 crypto_worker_main_t * cwm, u8 is_outbound)
326 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
327 ipsec_main_t *im = &ipsec_main;
330 struct rte_crypto_sym_xform cipher_xform = { 0 };
331 struct rte_crypto_sym_xform auth_xform = { 0 };
332 struct rte_crypto_sym_xform *xfs;
333 struct rte_cryptodev_sym_session **s;
334 clib_error_t *erorr = 0;
337 sa = pool_elt_at_index (im->sad, sa_idx);
339 if ((sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) |
340 (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192) |
341 (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256))
343 crypto_set_aead_xform (&cipher_xform, sa, is_outbound);
348 crypto_set_cipher_xform (&cipher_xform, sa, is_outbound);
349 crypto_set_auth_xform (&auth_xform, sa, is_outbound);
353 cipher_xform.next = &auth_xform;
358 auth_xform.next = &cipher_xform;
363 data = vec_elt_at_index (dcm->data, res->numa);
364 clib_spinlock_lock_if_init (&data->lockp);
368 * Multiple worker/threads share the session for an SA
369 * Single session per SA, initialized for each device driver
371 s = (void *) hash_get (data->session_by_sa_index, sa_idx);
375 session[0] = rte_cryptodev_sym_session_create (data->session_h);
378 data->session_h_failed += 1;
379 erorr = clib_error_return (0, "failed to create session header");
382 hash_set (data->session_by_sa_index, sa_idx, session[0]);
387 struct rte_mempool **mp;
388 mp = vec_elt_at_index (data->session_drv, res->drv_id);
389 ASSERT (mp[0] != NULL);
392 rte_cryptodev_sym_session_init (res->dev_id, session[0], xfs, mp[0]);
395 data->session_drv_failed[res->drv_id] += 1;
396 erorr = clib_error_return (0, "failed to init session for drv %u",
401 add_session_by_drv_and_sa_idx (session[0], data, res->drv_id, sa_idx);
404 clib_spinlock_unlock_if_init (&data->lockp);
408 static void __attribute__ ((unused)) clear_and_free_obj (void *obj)
410 struct rte_mempool *mp = rte_mempool_from_obj (obj);
412 clib_memset (obj, 0, mp->elt_size);
414 rte_mempool_put (mp, obj);
417 /* This is from rte_cryptodev_pmd.h */
419 get_session_private_data (const struct rte_cryptodev_sym_session *sess,
422 #if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
423 return sess->sess_private_data[driver_id];
425 if (unlikely (sess->nb_drivers <= driver_id))
428 return sess->sess_data[driver_id].data;
432 /* This is from rte_cryptodev_pmd.h */
434 set_session_private_data (struct rte_cryptodev_sym_session *sess,
435 uint8_t driver_id, void *private_data)
437 #if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
438 sess->sess_private_data[driver_id] = private_data;
440 if (unlikely (sess->nb_drivers <= driver_id))
442 sess->sess_data[driver_id].data = private_data;
446 static clib_error_t *
447 dpdk_crypto_session_disposal (crypto_session_disposal_t * v, u64 ts)
449 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
450 crypto_session_disposal_t *s;
458 /* ordered vector by timestamp */
459 if (!(s->ts + dcm->session_timeout < ts))
462 vec_foreach_index (drv_id, dcm->drv)
464 drv_session = get_session_private_data (s->session, drv_id);
469 * Custom clear to avoid finding a dev_id for drv_id:
470 * ret = rte_cryptodev_sym_session_clear (dev_id, drv_session);
473 clear_and_free_obj (drv_session);
475 set_session_private_data (s->session, drv_id, NULL);
478 if (rte_mempool_from_obj(s->session))
480 ret = rte_cryptodev_sym_session_free (s->session);
487 vec_delete (v, s - v, 0);
489 vec_reset_length (v);
494 static clib_error_t *
495 add_del_sa_session (u32 sa_index, u8 is_add)
497 ipsec_main_t *im = &ipsec_main;
498 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
500 struct rte_cryptodev_sym_session *s;
507 ipsec_sa_t *sa = pool_elt_at_index (im->sad, sa_index);
509 switch (sa->crypto_alg)
511 case IPSEC_CRYPTO_ALG_AES_GCM_128:
512 case IPSEC_CRYPTO_ALG_AES_GCM_192:
513 case IPSEC_CRYPTO_ALG_AES_GCM_256:
514 clib_memcpy (&sa->salt, &sa->crypto_key[sa->crypto_key_len - 4], 4);
517 seed = (u32) clib_cpu_time_now ();
518 sa->salt = random_u32 (&seed);
525 vec_foreach (data, dcm->data)
527 clib_spinlock_lock_if_init (&data->lockp);
528 val = hash_get (data->session_by_sa_index, sa_index);
531 s = (struct rte_cryptodev_sym_session *) val[0];
532 vec_foreach_index (drv_id, dcm->drv)
534 val = (uword*) get_session_by_drv_and_sa_idx (data, drv_id, sa_index);
536 add_session_by_drv_and_sa_idx(NULL, data, drv_id, sa_index);
539 hash_unset (data->session_by_sa_index, sa_index);
541 u64 ts = unix_time_now_nsec ();
542 dpdk_crypto_session_disposal (data->session_disposal, ts);
544 crypto_session_disposal_t sd;
548 vec_add1 (data->session_disposal, sd);
550 clib_spinlock_unlock_if_init (&data->lockp);
557 static clib_error_t *
558 dpdk_ipsec_check_support (ipsec_sa_t * sa)
560 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
562 if (sa->integ_alg == IPSEC_INTEG_ALG_NONE)
563 switch (sa->crypto_alg)
565 case IPSEC_CRYPTO_ALG_NONE:
566 case IPSEC_CRYPTO_ALG_AES_GCM_128:
567 case IPSEC_CRYPTO_ALG_AES_GCM_192:
568 case IPSEC_CRYPTO_ALG_AES_GCM_256:
571 return clib_error_return (0, "unsupported integ-alg %U crypto-alg %U",
572 format_ipsec_integ_alg, sa->integ_alg,
573 format_ipsec_crypto_alg, sa->crypto_alg);
576 /* XXX do we need the NONE check? */
577 if (sa->crypto_alg != IPSEC_CRYPTO_ALG_NONE &&
578 dcm->cipher_algs[sa->crypto_alg].disabled)
579 return clib_error_return (0, "disabled crypto-alg %U",
580 format_ipsec_crypto_alg, sa->crypto_alg);
582 /* XXX do we need the NONE check? */
583 if (sa->integ_alg != IPSEC_INTEG_ALG_NONE &&
584 dcm->auth_algs[sa->integ_alg].disabled)
585 return clib_error_return (0, "disabled integ-alg %U",
586 format_ipsec_integ_alg, sa->integ_alg);
591 crypto_parse_capabilities (crypto_dev_t * dev,
592 const struct rte_cryptodev_capabilities *cap,
595 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
599 for (; cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; cap++)
601 /* A single capability maps to multiple cipher/auth algorithms */
602 switch (cap->sym.xform_type)
604 case RTE_CRYPTO_SYM_XFORM_AEAD:
605 case RTE_CRYPTO_SYM_XFORM_CIPHER:
606 inc = cap->sym.cipher.key_size.increment;
608 for (len = cap->sym.cipher.key_size.min;
609 len <= cap->sym.cipher.key_size.max; len += inc)
611 alg = cipher_cap_to_alg (cap, len);
614 dev->cipher_support[cipher_alg_index (alg)] = 1;
615 alg->resources += vec_len (dev->free_resources);
616 /* At least enough resources to support one algo */
617 dcm->enabled |= (alg->resources >= n_mains);
620 case RTE_CRYPTO_SYM_XFORM_AUTH:
621 inc = cap->sym.auth.digest_size.increment;
623 for (len = cap->sym.auth.digest_size.min;
624 len <= cap->sym.auth.digest_size.max; len += inc)
626 alg = auth_cap_to_alg (cap, len);
629 dev->auth_support[auth_alg_index (alg)] = 1;
630 alg->resources += vec_len (dev->free_resources);
631 /* At least enough resources to support one algo */
632 dcm->enabled |= (alg->resources >= n_mains);
641 #define DPDK_CRYPTO_N_QUEUE_DESC 2048
642 #define DPDK_CRYPTO_NB_SESS_OBJS 20000
644 static clib_error_t *
645 crypto_dev_conf (u8 dev, u16 n_qp, u8 numa)
647 struct rte_cryptodev_config dev_conf;
648 struct rte_cryptodev_qp_conf qp_conf;
653 dev_conf.socket_id = numa;
654 dev_conf.nb_queue_pairs = n_qp;
656 error_str = "failed to configure crypto device %u";
657 ret = rte_cryptodev_configure (dev, &dev_conf);
659 return clib_error_return (0, error_str, dev);
661 error_str = "failed to setup crypto device %u queue pair %u";
662 qp_conf.nb_descriptors = DPDK_CRYPTO_N_QUEUE_DESC;
663 for (qp = 0; qp < n_qp; qp++)
665 #if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
666 ret = rte_cryptodev_queue_pair_setup (dev, qp, &qp_conf, numa, NULL);
668 ret = rte_cryptodev_queue_pair_setup (dev, qp, &qp_conf, numa);
671 return clib_error_return (0, error_str, dev, qp);
674 error_str = "failed to start crypto device %u";
675 if (rte_cryptodev_start (dev))
676 return clib_error_return (0, error_str, dev);
682 crypto_scan_devs (u32 n_mains)
684 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
685 struct rte_cryptodev *cryptodev;
686 struct rte_cryptodev_info info;
688 crypto_resource_t *res;
691 u16 max_res_idx, res_idx, j;
694 vec_validate_init_empty (dcm->dev, rte_cryptodev_count () - 1,
695 (crypto_dev_t) EMPTY_STRUCT);
697 for (i = 0; i < rte_cryptodev_count (); i++)
699 dev = vec_elt_at_index (dcm->dev, i);
701 cryptodev = &rte_cryptodevs[i];
702 rte_cryptodev_info_get (i, &info);
705 dev->name = cryptodev->data->name;
706 dev->numa = rte_cryptodev_socket_id (i);
707 dev->features = info.feature_flags;
708 dev->max_qp = info.max_nb_queue_pairs;
709 drv_id = info.driver_id;
710 if (drv_id >= vec_len (dcm->drv))
711 vec_validate_init_empty (dcm->drv, drv_id,
712 (crypto_drv_t) EMPTY_STRUCT);
713 vec_elt_at_index (dcm->drv, drv_id)->name = info.driver_name;
714 dev->drv_id = drv_id;
715 vec_add1 (vec_elt_at_index (dcm->drv, drv_id)->devs, i);
717 if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING))
720 if ((error = crypto_dev_conf (i, dev->max_qp, dev->numa)))
722 clib_error_report (error);
726 max_res_idx = dev->max_qp - 1;
728 vec_validate (dev->free_resources, max_res_idx);
730 res_idx = vec_len (dcm->resource);
731 vec_validate_init_empty_aligned (dcm->resource, res_idx + max_res_idx,
732 (crypto_resource_t) EMPTY_STRUCT,
733 CLIB_CACHE_LINE_BYTES);
735 for (j = 0; j <= max_res_idx; j++)
737 vec_elt (dev->free_resources, max_res_idx - j) = res_idx + j;
738 res = &dcm->resource[res_idx + j];
740 res->drv_id = drv_id;
742 res->numa = dev->numa;
743 res->thread_idx = (u16) ~ 0;
746 crypto_parse_capabilities (dev, info.capabilities, n_mains);
751 crypto_auto_placement (void)
753 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
754 crypto_resource_t *res;
755 crypto_worker_main_t *cwm;
757 u32 thread_idx, skip_master;
762 skip_master = vlib_num_workers () > 0;
765 vec_foreach (dev, dcm->dev)
767 vec_foreach_index (thread_idx, dcm->workers_main)
769 if (vec_len (dev->free_resources) == 0)
772 if (thread_idx < skip_master)
775 /* Check thread is not already using the device */
776 vec_foreach (idx, dev->used_resources)
777 if (dcm->resource[idx[0]].thread_idx == thread_idx)
780 cwm = vec_elt_at_index (dcm->workers_main, thread_idx);
783 res_idx = vec_pop (dev->free_resources);
785 /* Set device only for supported algos */
786 for (i = 0; i < IPSEC_CRYPTO_N_ALG; i++)
787 if (dev->cipher_support[i] &&
788 cwm->cipher_resource_idx[i] == (u16) ~0)
790 dcm->cipher_algs[i].disabled--;
791 cwm->cipher_resource_idx[i] = res_idx;
795 for (i = 0; i < IPSEC_INTEG_N_ALG; i++)
796 if (dev->auth_support[i] &&
797 cwm->auth_resource_idx[i] == (u16) ~0)
799 dcm->auth_algs[i].disabled--;
800 cwm->auth_resource_idx[i] = res_idx;
806 vec_add1 (dev->free_resources, res_idx);
810 vec_add1 (dev->used_resources, res_idx);
812 res = vec_elt_at_index (dcm->resource, res_idx);
814 ASSERT (res->thread_idx == (u16) ~0);
815 res->thread_idx = thread_idx;
817 /* Add device to vector of polling resources */
818 vec_add1 (cwm->resource_idx, res_idx);
825 crypto_op_init (struct rte_mempool *mempool,
826 void *_arg __attribute__ ((unused)),
827 void *_obj, unsigned i __attribute__ ((unused)))
829 struct rte_crypto_op *op = _obj;
831 op->sess_type = RTE_CRYPTO_OP_WITH_SESSION;
832 op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
833 op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
834 op->phys_addr = rte_mempool_virt2iova (_obj);
835 op->mempool = mempool;
838 static clib_error_t *
839 crypto_create_crypto_op_pool (vlib_main_t * vm, u8 numa)
841 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
842 dpdk_config_main_t *conf = &dpdk_config_main;
845 u32 pool_priv_size = sizeof (struct rte_crypto_op_pool_private);
846 struct rte_crypto_op_pool_private *priv;
847 struct rte_mempool *mp;
849 data = vec_elt_at_index (dcm->data, numa);
851 /* Already allocated */
855 pool_name = format (0, "crypto_pool_numa%u%c", numa, 0);
857 if (conf->num_crypto_mbufs == 0)
858 conf->num_crypto_mbufs = NUM_CRYPTO_MBUFS;
860 mp = rte_mempool_create ((char *) pool_name, conf->num_crypto_mbufs,
861 crypto_op_len (), 512, pool_priv_size, NULL, NULL,
862 crypto_op_init, NULL, numa, 0);
864 vec_free (pool_name);
867 return clib_error_return (0, "failed to create crypto op mempool");
869 /* Initialize mempool private data */
870 priv = rte_mempool_get_priv (mp);
871 priv->priv_size = pool_priv_size;
872 priv->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
874 data->crypto_op = mp;
879 static clib_error_t *
880 crypto_create_session_h_pool (vlib_main_t * vm, u8 numa)
882 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
885 struct rte_mempool *mp;
888 data = vec_elt_at_index (dcm->data, numa);
893 pool_name = format (0, "session_h_pool_numa%u%c", numa, 0);
896 elt_size = rte_cryptodev_sym_get_header_session_size ();
899 rte_mempool_create ((char *) pool_name, DPDK_CRYPTO_NB_SESS_OBJS,
900 elt_size, 512, 0, NULL, NULL, NULL, NULL, numa, 0);
902 vec_free (pool_name);
905 return clib_error_return (0, "failed to create crypto session mempool");
907 data->session_h = mp;
912 static clib_error_t *
913 crypto_create_session_drv_pool (vlib_main_t * vm, crypto_dev_t * dev)
915 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
918 struct rte_mempool *mp;
922 data = vec_elt_at_index (dcm->data, numa);
924 vec_validate (data->session_drv, dev->drv_id);
925 vec_validate (data->session_drv_failed, dev->drv_id);
926 vec_validate_aligned (data->session_by_drv_id_and_sa_index, 32,
927 CLIB_CACHE_LINE_BYTES);
929 if (data->session_drv[dev->drv_id])
932 pool_name = format (0, "session_drv%u_pool_numa%u%c", dev->drv_id, numa, 0);
934 elt_size = rte_cryptodev_sym_get_private_session_size (dev->id);
936 rte_mempool_create ((char *) pool_name, DPDK_CRYPTO_NB_SESS_OBJS,
937 elt_size, 512, 0, NULL, NULL, NULL, NULL, numa, 0);
939 vec_free (pool_name);
942 return clib_error_return (0, "failed to create session drv mempool");
944 data->session_drv[dev->drv_id] = mp;
945 clib_spinlock_init (&data->lockp);
950 static clib_error_t *
951 crypto_create_pools (vlib_main_t * vm)
953 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
954 clib_error_t *error = NULL;
958 vec_foreach (dev, dcm->dev)
960 vec_validate_aligned (dcm->data, dev->numa, CLIB_CACHE_LINE_BYTES);
962 error = crypto_create_crypto_op_pool (vm, dev->numa);
966 error = crypto_create_session_h_pool (vm, dev->numa);
970 error = crypto_create_session_drv_pool (vm, dev);
980 crypto_disable (void)
982 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
989 vec_foreach (data, dcm->data)
991 rte_mempool_free (data->crypto_op);
992 rte_mempool_free (data->session_h);
994 vec_foreach_index (i, data->session_drv)
995 rte_mempool_free (data->session_drv[i]);
997 vec_free (data->session_drv);
998 clib_spinlock_free (&data->lockp);
1002 vec_free (dcm->data);
1003 vec_free (dcm->workers_main);
1004 vec_free (dcm->dev);
1005 vec_free (dcm->resource);
1006 vec_free (dcm->cipher_algs);
1007 vec_free (dcm->auth_algs);
1011 dpdk_ipsec_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
1014 ipsec_main_t *im = &ipsec_main;
1015 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
1016 vlib_thread_main_t *tm = vlib_get_thread_main ();
1017 crypto_worker_main_t *cwm;
1018 clib_error_t *error = NULL;
1019 u32 i, skip_master, n_mains;
1021 n_mains = tm->n_vlib_mains;
1022 skip_master = vlib_num_workers () > 0;
1024 algos_init (n_mains - skip_master);
1026 crypto_scan_devs (n_mains - skip_master);
1028 if (!(dcm->enabled))
1030 clib_warning ("not enough DPDK crypto resources, default to OpenSSL");
1035 dcm->session_timeout = 10e9;
1037 vec_validate_init_empty_aligned (dcm->workers_main, n_mains - 1,
1038 (crypto_worker_main_t) EMPTY_STRUCT,
1039 CLIB_CACHE_LINE_BYTES);
1042 vec_foreach (cwm, dcm->workers_main)
1044 vec_validate_init_empty_aligned (cwm->ops, VLIB_FRAME_SIZE - 1, 0,
1045 CLIB_CACHE_LINE_BYTES);
1046 clib_memset (cwm->cipher_resource_idx, ~0,
1047 IPSEC_CRYPTO_N_ALG * sizeof(*cwm->cipher_resource_idx));
1048 clib_memset (cwm->auth_resource_idx, ~0,
1049 IPSEC_INTEG_N_ALG * sizeof(*cwm->auth_resource_idx));
1053 crypto_auto_placement ();
1055 error = crypto_create_pools (vm);
1058 clib_error_report (error);
1064 u32 idx = ipsec_register_esp_backend (vm, im, "dpdk backend",
1065 "dpdk-esp4-encrypt",
1066 "dpdk-esp4-decrypt",
1067 "dpdk-esp6-encrypt",
1068 "dpdk-esp6-decrypt",
1069 dpdk_ipsec_check_support,
1070 add_del_sa_session);
1071 int rv = ipsec_select_esp_backend (im, idx);
1074 vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "dpdk-crypto-input");
1076 for (i = skip_master; i < n_mains; i++)
1077 vlib_node_set_state (vlib_mains[i], node->index, VLIB_NODE_STATE_POLLING);
1082 VLIB_REGISTER_NODE (dpdk_ipsec_process_node,static) = {
1083 .function = dpdk_ipsec_process,
1084 .type = VLIB_NODE_TYPE_PROCESS,
1085 .name = "dpdk-ipsec-process",
1086 .process_log2_n_stack_bytes = 17,
1091 * fd.io coding-style-patch-verification: ON
1094 * eval: (c-set-style "gnu")