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/ipsec/ipsec.h>
24 dpdk_crypto_main_t dpdk_crypto_main;
26 #define EMPTY_STRUCT {0}
29 algos_init (u32 n_mains)
31 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
34 vec_validate_aligned (dcm->cipher_algs, IPSEC_CRYPTO_N_ALG - 1, 8);
38 dcm->cipher_algs[IPSEC_CRYPTO_ALG_##f].name = str; \
39 dcm->cipher_algs[IPSEC_CRYPTO_ALG_##f].disabled = n_mains;
40 foreach_ipsec_crypto_alg
44 /* Minimum boundary for ciphers is 4B, required by ESP */
45 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_NONE];
46 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
47 a->alg = RTE_CRYPTO_CIPHER_NULL;
48 a->boundary = 4; /* 1 */
52 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_128];
53 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
54 a->alg = RTE_CRYPTO_CIPHER_AES_CBC;
59 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_192];
60 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
61 a->alg = RTE_CRYPTO_CIPHER_AES_CBC;
66 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_256];
67 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
68 a->alg = RTE_CRYPTO_CIPHER_AES_CBC;
73 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_128];
74 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
75 a->alg = RTE_CRYPTO_CIPHER_AES_CTR;
76 a->boundary = 4; /* 1 */
80 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_192];
81 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
82 a->alg = RTE_CRYPTO_CIPHER_AES_CTR;
83 a->boundary = 4; /* 1 */
87 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_256];
88 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
89 a->alg = RTE_CRYPTO_CIPHER_AES_CTR;
90 a->boundary = 4; /* 1 */
94 #define AES_GCM_TYPE RTE_CRYPTO_SYM_XFORM_AEAD
95 #define AES_GCM_ALG RTE_CRYPTO_AEAD_AES_GCM
97 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_128];
98 a->type = AES_GCM_TYPE;
100 a->boundary = 4; /* 1 */
105 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_192];
106 a->type = AES_GCM_TYPE;
107 a->alg = AES_GCM_ALG;
108 a->boundary = 4; /* 1 */
113 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_256];
114 a->type = AES_GCM_TYPE;
115 a->alg = AES_GCM_ALG;
116 a->boundary = 4; /* 1 */
121 vec_validate (dcm->auth_algs, IPSEC_INTEG_N_ALG - 1);
125 dcm->auth_algs[IPSEC_INTEG_ALG_##f].name = str; \
126 dcm->auth_algs[IPSEC_INTEG_ALG_##f].disabled = n_mains;
127 foreach_ipsec_integ_alg
131 a = &dcm->auth_algs[IPSEC_INTEG_ALG_NONE];
132 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
133 a->alg = RTE_CRYPTO_AUTH_NULL;
137 a = &dcm->auth_algs[IPSEC_INTEG_ALG_MD5_96];
138 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
139 a->alg = RTE_CRYPTO_AUTH_MD5_HMAC;
143 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA1_96];
144 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
145 a->alg = RTE_CRYPTO_AUTH_SHA1_HMAC;
149 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_256_96];
150 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
151 a->alg = RTE_CRYPTO_AUTH_SHA256_HMAC;
155 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_256_128];
156 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
157 a->alg = RTE_CRYPTO_AUTH_SHA256_HMAC;
161 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_384_192];
162 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
163 a->alg = RTE_CRYPTO_AUTH_SHA384_HMAC;
167 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_512_256];
168 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
169 a->alg = RTE_CRYPTO_AUTH_SHA512_HMAC;
175 cipher_alg_index (const crypto_alg_t * alg)
177 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
179 return (alg - dcm->cipher_algs);
183 auth_alg_index (const crypto_alg_t * alg)
185 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
187 return (alg - dcm->auth_algs);
190 static crypto_alg_t *
191 cipher_cap_to_alg (const struct rte_cryptodev_capabilities *cap, u8 key_len)
193 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
196 if (cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
200 vec_foreach (alg, dcm->cipher_algs)
202 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) &&
203 (alg->type == RTE_CRYPTO_SYM_XFORM_CIPHER) &&
204 (cap->sym.cipher.algo == alg->alg) &&
205 (alg->key_len == key_len))
207 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) &&
208 (alg->type == RTE_CRYPTO_SYM_XFORM_AEAD) &&
209 (cap->sym.aead.algo == alg->alg) &&
210 (alg->key_len == key_len))
218 static crypto_alg_t *
219 auth_cap_to_alg (const struct rte_cryptodev_capabilities *cap, u8 trunc_size)
221 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
224 if ((cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) ||
225 (cap->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH))
229 vec_foreach (alg, dcm->auth_algs)
231 if ((cap->sym.auth.algo == alg->alg) &&
232 (alg->trunc_size == trunc_size))
241 crypto_set_aead_xform (struct rte_crypto_sym_xform *xform,
242 ipsec_sa_t * sa, u8 is_outbound)
244 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
247 c = vec_elt_at_index (dcm->cipher_algs, sa->crypto_alg);
249 ASSERT (c->type == RTE_CRYPTO_SYM_XFORM_AEAD);
251 xform->type = RTE_CRYPTO_SYM_XFORM_AEAD;
252 xform->aead.algo = c->alg;
253 xform->aead.key.data = sa->crypto_key;
254 xform->aead.key.length = c->key_len;
255 xform->aead.iv.offset =
256 crypto_op_get_priv_offset () + offsetof (dpdk_op_priv_t, cb);
257 xform->aead.iv.length = 12;
258 xform->aead.digest_length = c->trunc_size;
259 xform->aead.aad_length = sa->use_esn ? 12 : 8;
263 xform->aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
265 xform->aead.op = RTE_CRYPTO_AEAD_OP_DECRYPT;
269 crypto_set_cipher_xform (struct rte_crypto_sym_xform *xform,
270 ipsec_sa_t * sa, u8 is_outbound)
272 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
275 c = vec_elt_at_index (dcm->cipher_algs, sa->crypto_alg);
277 ASSERT (c->type == RTE_CRYPTO_SYM_XFORM_CIPHER);
279 xform->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
280 xform->cipher.algo = c->alg;
281 xform->cipher.key.data = sa->crypto_key;
282 xform->cipher.key.length = c->key_len;
283 xform->cipher.iv.offset =
284 crypto_op_get_priv_offset () + offsetof (dpdk_op_priv_t, cb);
285 xform->cipher.iv.length = c->iv_len;
289 xform->cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
291 xform->cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
295 crypto_set_auth_xform (struct rte_crypto_sym_xform *xform,
296 ipsec_sa_t * sa, u8 is_outbound)
298 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
301 a = vec_elt_at_index (dcm->auth_algs, sa->integ_alg);
303 ASSERT (a->type == RTE_CRYPTO_SYM_XFORM_AUTH);
305 xform->type = RTE_CRYPTO_SYM_XFORM_AUTH;
306 xform->auth.algo = a->alg;
307 xform->auth.key.data = sa->integ_key;
308 xform->auth.key.length = a->key_len;
309 xform->auth.digest_length = a->trunc_size;
313 xform->auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
315 xform->auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
319 create_sym_session (struct rte_cryptodev_sym_session **session,
321 crypto_resource_t * res,
322 crypto_worker_main_t * cwm, u8 is_outbound)
324 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
325 ipsec_main_t *im = &ipsec_main;
328 struct rte_crypto_sym_xform cipher_xform = { 0 };
329 struct rte_crypto_sym_xform auth_xform = { 0 };
330 struct rte_crypto_sym_xform *xfs;
331 struct rte_cryptodev_sym_session **s;
332 crypto_session_key_t key = { 0 };
334 key.drv_id = res->drv_id;
337 data = vec_elt_at_index (dcm->data, res->numa);
339 sa = pool_elt_at_index (im->sad, sa_idx);
341 if ((sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) |
342 (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192) |
343 (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256))
345 crypto_set_aead_xform (&cipher_xform, sa, is_outbound);
350 crypto_set_cipher_xform (&cipher_xform, sa, is_outbound);
351 crypto_set_auth_xform (&auth_xform, sa, is_outbound);
355 cipher_xform.next = &auth_xform;
360 auth_xform.next = &cipher_xform;
367 * Multiple worker/threads share the session for an SA
368 * Single session per SA, initialized for each device driver
370 s = (void *) hash_get (data->session_by_sa_index, sa_idx);
374 session[0] = rte_cryptodev_sym_session_create (data->session_h);
377 data->session_h_failed += 1;
378 return clib_error_return (0, "failed to create session header");
380 hash_set (data->session_by_sa_index, sa_idx, session[0]);
385 struct rte_mempool **mp;
386 mp = vec_elt_at_index (data->session_drv, res->drv_id);
387 ASSERT (mp[0] != NULL);
390 rte_cryptodev_sym_session_init (res->dev_id, session[0], xfs, mp[0]);
393 data->session_drv_failed[res->drv_id] += 1;
394 return clib_error_return (0, "failed to init session for drv %u",
398 hash_set (data->session_by_drv_id_and_sa_index, key.val, session[0]);
403 static void __attribute__ ((unused)) clear_and_free_obj (void *obj)
405 struct rte_mempool *mp = rte_mempool_from_obj (obj);
407 memset (obj, 0, mp->elt_size);
409 rte_mempool_put (mp, obj);
412 /* This is from rte_cryptodev_pmd.h */
414 get_session_private_data (const struct rte_cryptodev_sym_session *sess,
417 return sess->sess_private_data[driver_id];
420 /* This is from rte_cryptodev_pmd.h */
422 set_session_private_data (struct rte_cryptodev_sym_session *sess,
423 uint8_t driver_id, void *private_data)
425 sess->sess_private_data[driver_id] = private_data;
428 static clib_error_t *
429 dpdk_crypto_session_disposal (crypto_session_disposal_t * v, u64 ts)
431 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
432 crypto_session_disposal_t *s;
440 /* ordered vector by timestamp */
441 if (!(s->ts + dcm->session_timeout < ts))
444 vec_foreach_index (drv_id, dcm->drv)
446 drv_session = get_session_private_data (s->session, drv_id);
451 * Custom clear to avoid finding a dev_id for drv_id:
452 * ret = rte_cryptodev_sym_session_clear (dev_id, drv_session);
455 clear_and_free_obj (drv_session);
457 set_session_private_data (s->session, drv_id, NULL);
460 ret = rte_cryptodev_sym_session_free (s->session);
466 vec_delete (v, s - v, 0);
471 static clib_error_t *
472 add_del_sa_session (u32 sa_index, u8 is_add)
474 ipsec_main_t *im = &ipsec_main;
475 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
477 struct rte_cryptodev_sym_session *s;
478 crypto_session_key_t key = { 0 };
485 ipsec_sa_t *sa = pool_elt_at_index (im->sad, sa_index);
487 switch (sa->crypto_alg)
489 case IPSEC_CRYPTO_ALG_AES_GCM_128:
490 case IPSEC_CRYPTO_ALG_AES_GCM_192:
491 case IPSEC_CRYPTO_ALG_AES_GCM_256:
492 clib_memcpy (&sa->salt, &sa->crypto_key[sa->crypto_key_len - 4], 4);
495 seed = (u32) clib_cpu_time_now ();
496 sa->salt = random_u32 (&seed);
502 key.sa_idx = sa_index;
505 vec_foreach (data, dcm->data)
507 val = hash_get (data->session_by_sa_index, sa_index);
508 s = (struct rte_cryptodev_sym_session *) val;
513 vec_foreach_index (drv_id, dcm->drv)
516 val = hash_get (data->session_by_drv_id_and_sa_index, key.val);
517 s = (struct rte_cryptodev_sym_session *) val;
522 hash_unset (data->session_by_drv_id_and_sa_index, key.val);
525 hash_unset (data->session_by_sa_index, sa_index);
527 u64 ts = unix_time_now_nsec ();
528 dpdk_crypto_session_disposal (data->session_disposal, ts);
530 crypto_session_disposal_t sd;
534 vec_add1 (data->session_disposal, sd);
541 static clib_error_t *
542 dpdk_ipsec_check_support (ipsec_sa_t * sa)
544 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
546 if (sa->integ_alg == IPSEC_INTEG_ALG_NONE)
547 switch (sa->crypto_alg)
549 case IPSEC_CRYPTO_ALG_AES_GCM_128:
550 case IPSEC_CRYPTO_ALG_AES_GCM_192:
551 case IPSEC_CRYPTO_ALG_AES_GCM_256:
554 return clib_error_return (0, "unsupported integ-alg %U crypto-alg %U",
555 format_ipsec_integ_alg, sa->integ_alg,
556 format_ipsec_crypto_alg, sa->crypto_alg);
559 /* XXX do we need the NONE check? */
560 if (sa->crypto_alg != IPSEC_CRYPTO_ALG_NONE &&
561 dcm->cipher_algs[sa->crypto_alg].disabled)
562 return clib_error_return (0, "disabled crypto-alg %U",
563 format_ipsec_crypto_alg, sa->crypto_alg);
565 /* XXX do we need the NONE check? */
566 if (sa->integ_alg != IPSEC_INTEG_ALG_NONE &&
567 dcm->auth_algs[sa->integ_alg].disabled)
568 return clib_error_return (0, "disabled integ-alg %U",
569 format_ipsec_integ_alg, sa->integ_alg);
574 crypto_parse_capabilities (crypto_dev_t * dev,
575 const struct rte_cryptodev_capabilities *cap,
578 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
582 for (; cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; cap++)
584 /* A single capability maps to multiple cipher/auth algorithms */
585 switch (cap->sym.xform_type)
587 case RTE_CRYPTO_SYM_XFORM_AEAD:
588 case RTE_CRYPTO_SYM_XFORM_CIPHER:
589 inc = cap->sym.cipher.key_size.increment;
591 for (len = cap->sym.cipher.key_size.min;
592 len <= cap->sym.cipher.key_size.max; len += inc)
594 alg = cipher_cap_to_alg (cap, len);
597 dev->cipher_support[cipher_alg_index (alg)] = 1;
598 alg->resources += vec_len (dev->free_resources);
599 /* At least enough resources to support one algo */
600 dcm->enabled |= (alg->resources >= n_mains);
603 case RTE_CRYPTO_SYM_XFORM_AUTH:
604 inc = cap->sym.auth.digest_size.increment;
606 for (len = cap->sym.auth.digest_size.min;
607 len <= cap->sym.auth.digest_size.max; len += inc)
609 alg = auth_cap_to_alg (cap, len);
612 dev->auth_support[auth_alg_index (alg)] = 1;
613 alg->resources += vec_len (dev->free_resources);
614 /* At least enough resources to support one algo */
615 dcm->enabled |= (alg->resources >= n_mains);
624 #define DPDK_CRYPTO_N_QUEUE_DESC 2048
625 #define DPDK_CRYPTO_NB_SESS_OBJS 20000
627 static clib_error_t *
628 crypto_dev_conf (u8 dev, u16 n_qp, u8 numa)
630 struct rte_cryptodev_config dev_conf;
631 struct rte_cryptodev_qp_conf qp_conf;
636 dev_conf.socket_id = numa;
637 dev_conf.nb_queue_pairs = n_qp;
639 error_str = "failed to configure crypto device %u";
640 ret = rte_cryptodev_configure (dev, &dev_conf);
642 return clib_error_return (0, error_str, dev);
644 error_str = "failed to setup crypto device %u queue pair %u";
645 qp_conf.nb_descriptors = DPDK_CRYPTO_N_QUEUE_DESC;
646 for (qp = 0; qp < n_qp; qp++)
648 ret = rte_cryptodev_queue_pair_setup (dev, qp, &qp_conf, numa, NULL);
650 return clib_error_return (0, error_str, dev, qp);
657 crypto_scan_devs (u32 n_mains)
659 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
660 struct rte_cryptodev *cryptodev;
661 struct rte_cryptodev_info info;
663 crypto_resource_t *res;
666 u16 max_res_idx, res_idx, j;
669 vec_validate_init_empty (dcm->dev, rte_cryptodev_count () - 1,
670 (crypto_dev_t) EMPTY_STRUCT);
672 for (i = 0; i < rte_cryptodev_count (); i++)
674 dev = vec_elt_at_index (dcm->dev, i);
676 cryptodev = &rte_cryptodevs[i];
677 rte_cryptodev_info_get (i, &info);
680 dev->name = cryptodev->data->name;
681 dev->numa = rte_cryptodev_socket_id (i);
682 dev->features = info.feature_flags;
683 dev->max_qp = info.max_nb_queue_pairs;
684 drv_id = info.driver_id;
685 if (drv_id >= vec_len (dcm->drv))
686 vec_validate_init_empty (dcm->drv, drv_id,
687 (crypto_drv_t) EMPTY_STRUCT);
688 vec_elt_at_index (dcm->drv, drv_id)->name = info.driver_name;
689 dev->drv_id = drv_id;
690 vec_add1 (vec_elt_at_index (dcm->drv, drv_id)->devs, i);
692 if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING))
695 if ((error = crypto_dev_conf (i, dev->max_qp, dev->numa)))
697 clib_error_report (error);
701 max_res_idx = (dev->max_qp / 2) - 1;
703 vec_validate (dev->free_resources, max_res_idx);
705 res_idx = vec_len (dcm->resource);
706 vec_validate_init_empty_aligned (dcm->resource, res_idx + max_res_idx,
707 (crypto_resource_t) EMPTY_STRUCT,
708 CLIB_CACHE_LINE_BYTES);
710 for (j = 0; j <= max_res_idx; j++, res_idx++)
712 vec_elt (dev->free_resources, max_res_idx - j) = res_idx;
713 res = &dcm->resource[res_idx];
715 res->drv_id = drv_id;
717 res->numa = dev->numa;
718 res->thread_idx = (u16) ~ 0;
721 crypto_parse_capabilities (dev, info.capabilities, n_mains);
726 crypto_auto_placement (void)
728 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
729 crypto_resource_t *res;
730 crypto_worker_main_t *cwm;
732 u32 thread_idx, skip_master;
737 skip_master = vlib_num_workers () > 0;
740 vec_foreach (dev, dcm->dev)
742 vec_foreach_index (thread_idx, dcm->workers_main)
744 if (vec_len (dev->free_resources) == 0)
747 if (thread_idx < skip_master)
750 /* Check thread is not already using the device */
751 vec_foreach (idx, dev->used_resources)
752 if (dcm->resource[idx[0]].thread_idx == thread_idx)
755 cwm = vec_elt_at_index (dcm->workers_main, thread_idx);
758 res_idx = vec_pop (dev->free_resources);
760 /* Set device only for supported algos */
761 for (i = 0; i < IPSEC_CRYPTO_N_ALG; i++)
762 if (dev->cipher_support[i] &&
763 cwm->cipher_resource_idx[i] == (u16) ~0)
765 dcm->cipher_algs[i].disabled--;
766 cwm->cipher_resource_idx[i] = res_idx;
770 for (i = 0; i < IPSEC_INTEG_N_ALG; i++)
771 if (dev->auth_support[i] &&
772 cwm->auth_resource_idx[i] == (u16) ~0)
774 dcm->auth_algs[i].disabled--;
775 cwm->auth_resource_idx[i] = res_idx;
781 vec_add1 (dev->free_resources, res_idx);
785 vec_add1 (dev->used_resources, res_idx);
787 res = vec_elt_at_index (dcm->resource, res_idx);
789 ASSERT (res->thread_idx == (u16) ~0);
790 res->thread_idx = thread_idx;
792 /* Add device to vector of polling resources */
793 vec_add1 (cwm->resource_idx, res_idx);
800 crypto_op_init (struct rte_mempool *mempool,
801 void *_arg __attribute__ ((unused)),
802 void *_obj, unsigned i __attribute__ ((unused)))
804 struct rte_crypto_op *op = _obj;
806 op->sess_type = RTE_CRYPTO_OP_WITH_SESSION;
807 op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
808 op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
809 op->phys_addr = rte_mempool_virt2iova (_obj);
810 op->mempool = mempool;
813 static clib_error_t *
814 crypto_create_crypto_op_pool (vlib_main_t * vm, u8 numa)
816 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
817 dpdk_config_main_t *conf = &dpdk_config_main;
820 u32 pool_priv_size = sizeof (struct rte_crypto_op_pool_private);
821 struct rte_crypto_op_pool_private *priv;
822 struct rte_mempool *mp;
823 clib_error_t *error = NULL;
824 vlib_physmem_region_index_t pri;
826 data = vec_elt_at_index (dcm->data, numa);
828 /* Already allocated */
832 pool_name = format (0, "crypto_pool_numa%u%c", numa, 0);
835 dpdk_pool_create (vm, pool_name, crypto_op_len (), conf->num_mbufs,
836 pool_priv_size, 512, numa, &mp, &pri);
838 vec_free (pool_name);
843 /* Initialize mempool private data */
844 priv = rte_mempool_get_priv (mp);
845 priv->priv_size = pool_priv_size;
846 priv->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
848 /* call the object initializers */
849 rte_mempool_obj_iter (mp, crypto_op_init, 0);
851 data->crypto_op = mp;
856 static clib_error_t *
857 crypto_create_session_h_pool (vlib_main_t * vm, u8 numa)
859 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
862 struct rte_mempool *mp;
863 clib_error_t *error = NULL;
864 vlib_physmem_region_index_t pri;
867 data = vec_elt_at_index (dcm->data, numa);
872 pool_name = format (0, "session_h_pool_numa%u%c", numa, 0);
874 elt_size = rte_cryptodev_get_header_session_size ();
877 dpdk_pool_create (vm, pool_name, elt_size, DPDK_CRYPTO_NB_SESS_OBJS,
878 0, 512, numa, &mp, &pri);
880 vec_free (pool_name);
885 data->session_h = mp;
890 static clib_error_t *
891 crypto_create_session_drv_pool (vlib_main_t * vm, crypto_dev_t * dev)
893 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
896 struct rte_mempool *mp;
897 clib_error_t *error = NULL;
898 vlib_physmem_region_index_t pri;
902 data = vec_elt_at_index (dcm->data, numa);
904 vec_validate (data->session_drv, dev->drv_id);
905 vec_validate (data->session_drv_failed, dev->drv_id);
907 if (data->session_drv[dev->drv_id])
910 pool_name = format (0, "session_drv%u_pool_numa%u%c", dev->drv_id, numa, 0);
911 elt_size = rte_cryptodev_get_private_session_size (dev->id);
914 dpdk_pool_create (vm, pool_name, elt_size, DPDK_CRYPTO_NB_SESS_OBJS,
915 0, 512, numa, &mp, &pri);
917 vec_free (pool_name);
922 data->session_drv[dev->drv_id] = mp;
927 static clib_error_t *
928 crypto_create_pools (vlib_main_t * vm)
930 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
931 clib_error_t *error = NULL;
935 vec_foreach (dev, dcm->dev)
937 vec_validate_aligned (dcm->data, dev->numa, CLIB_CACHE_LINE_BYTES);
939 error = crypto_create_crypto_op_pool (vm, dev->numa);
943 error = crypto_create_session_h_pool (vm, dev->numa);
947 error = crypto_create_session_drv_pool (vm, dev);
957 crypto_disable (void)
959 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
966 vec_foreach (data, dcm->data)
968 rte_mempool_free (data->crypto_op);
969 rte_mempool_free (data->session_h);
971 vec_foreach_index (i, data->session_drv)
972 rte_mempool_free (data->session_drv[i]);
974 vec_free (data->session_drv);
978 vec_free (dcm->data);
979 vec_free (dcm->workers_main);
980 vec_free (dcm->sa_session);
982 vec_free (dcm->resource);
983 vec_free (dcm->cipher_algs);
984 vec_free (dcm->auth_algs);
988 dpdk_ipsec_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
991 ipsec_main_t *im = &ipsec_main;
992 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
993 vlib_thread_main_t *tm = vlib_get_thread_main ();
994 crypto_worker_main_t *cwm;
995 clib_error_t *error = NULL;
996 u32 i, skip_master, n_mains;
998 n_mains = tm->n_vlib_mains;
999 skip_master = vlib_num_workers () > 0;
1001 algos_init (n_mains - skip_master);
1003 crypto_scan_devs (n_mains - skip_master);
1005 if (!(dcm->enabled))
1007 clib_warning ("not enough DPDK crypto resources, default to OpenSSL");
1012 dcm->session_timeout = 10e9;
1014 vec_validate_init_empty_aligned (dcm->workers_main, n_mains - 1,
1015 (crypto_worker_main_t) EMPTY_STRUCT,
1016 CLIB_CACHE_LINE_BYTES);
1019 vec_foreach (cwm, dcm->workers_main)
1021 vec_validate_init_empty_aligned (cwm->ops, VLIB_FRAME_SIZE - 1, 0,
1022 CLIB_CACHE_LINE_BYTES);
1023 memset (cwm->cipher_resource_idx, ~0,
1024 IPSEC_CRYPTO_N_ALG * sizeof(*cwm->cipher_resource_idx));
1025 memset (cwm->auth_resource_idx, ~0,
1026 IPSEC_INTEG_N_ALG * sizeof(*cwm->auth_resource_idx));
1030 crypto_auto_placement ();
1032 error = crypto_create_pools (vm);
1035 clib_error_report (error);
1040 /* Add new next node and set it as default */
1041 vlib_node_t *node, *next_node;
1043 next_node = vlib_get_node_by_name (vm, (u8 *) "dpdk-esp-encrypt");
1045 node = vlib_get_node_by_name (vm, (u8 *) "ipsec-output-ip4");
1047 im->esp_encrypt_node_index = next_node->index;
1048 im->esp_encrypt_next_index =
1049 vlib_node_add_next (vm, node->index, next_node->index);
1051 next_node = vlib_get_node_by_name (vm, (u8 *) "dpdk-esp-decrypt");
1053 node = vlib_get_node_by_name (vm, (u8 *) "ipsec-input-ip4");
1055 im->esp_decrypt_node_index = next_node->index;
1056 im->esp_decrypt_next_index =
1057 vlib_node_add_next (vm, node->index, next_node->index);
1059 im->cb.check_support_cb = dpdk_ipsec_check_support;
1060 im->cb.add_del_sa_sess_cb = add_del_sa_session;
1062 node = vlib_get_node_by_name (vm, (u8 *) "dpdk-crypto-input");
1064 for (i = skip_master; i < n_mains; i++)
1065 vlib_node_set_state (vlib_mains[i], node->index, VLIB_NODE_STATE_POLLING);
1070 VLIB_REGISTER_NODE (dpdk_ipsec_process_node,static) = {
1071 .function = dpdk_ipsec_process,
1072 .type = VLIB_NODE_TYPE_PROCESS,
1073 .name = "dpdk-ipsec-process",
1074 .process_log2_n_stack_bytes = 17,
1079 * fd.io coding-style-patch-verification: ON
1082 * eval: (c-set-style "gnu")