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.data;
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 = ipsec_sa_is_set_USE_ESN (sa) ? 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.data;
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.data;
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 *error = 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 error = 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 error = 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,
515 &sa->crypto_key.data[sa->crypto_key.len - 4], 4);
518 seed = (u32) clib_cpu_time_now ();
519 sa->salt = random_u32 (&seed);
526 vec_foreach (data, dcm->data)
528 clib_spinlock_lock_if_init (&data->lockp);
529 val = hash_get (data->session_by_sa_index, sa_index);
532 s = (struct rte_cryptodev_sym_session *) val[0];
533 vec_foreach_index (drv_id, dcm->drv)
535 val = (uword*) get_session_by_drv_and_sa_idx (data, drv_id, sa_index);
537 add_session_by_drv_and_sa_idx(NULL, data, drv_id, sa_index);
540 hash_unset (data->session_by_sa_index, sa_index);
542 u64 ts = unix_time_now_nsec ();
543 dpdk_crypto_session_disposal (data->session_disposal, ts);
545 crypto_session_disposal_t sd;
549 vec_add1 (data->session_disposal, sd);
551 clib_spinlock_unlock_if_init (&data->lockp);
558 static clib_error_t *
559 dpdk_ipsec_check_support (ipsec_sa_t * sa)
561 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
563 if (sa->integ_alg == IPSEC_INTEG_ALG_NONE)
564 switch (sa->crypto_alg)
566 case IPSEC_CRYPTO_ALG_NONE:
567 case IPSEC_CRYPTO_ALG_AES_GCM_128:
568 case IPSEC_CRYPTO_ALG_AES_GCM_192:
569 case IPSEC_CRYPTO_ALG_AES_GCM_256:
572 return clib_error_return (0, "unsupported integ-alg %U crypto-alg %U",
573 format_ipsec_integ_alg, sa->integ_alg,
574 format_ipsec_crypto_alg, sa->crypto_alg);
577 /* XXX do we need the NONE check? */
578 if (sa->crypto_alg != IPSEC_CRYPTO_ALG_NONE &&
579 dcm->cipher_algs[sa->crypto_alg].disabled)
580 return clib_error_return (0, "disabled crypto-alg %U",
581 format_ipsec_crypto_alg, sa->crypto_alg);
583 /* XXX do we need the NONE check? */
584 if (sa->integ_alg != IPSEC_INTEG_ALG_NONE &&
585 dcm->auth_algs[sa->integ_alg].disabled)
586 return clib_error_return (0, "disabled integ-alg %U",
587 format_ipsec_integ_alg, sa->integ_alg);
592 crypto_parse_capabilities (crypto_dev_t * dev,
593 const struct rte_cryptodev_capabilities *cap,
596 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
600 for (; cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; cap++)
602 /* A single capability maps to multiple cipher/auth algorithms */
603 switch (cap->sym.xform_type)
605 case RTE_CRYPTO_SYM_XFORM_AEAD:
606 case RTE_CRYPTO_SYM_XFORM_CIPHER:
607 inc = cap->sym.cipher.key_size.increment;
609 for (len = cap->sym.cipher.key_size.min;
610 len <= cap->sym.cipher.key_size.max; len += inc)
612 alg = cipher_cap_to_alg (cap, len);
615 dev->cipher_support[cipher_alg_index (alg)] = 1;
616 alg->resources += vec_len (dev->free_resources);
617 /* At least enough resources to support one algo */
618 dcm->enabled |= (alg->resources >= n_mains);
621 case RTE_CRYPTO_SYM_XFORM_AUTH:
622 inc = cap->sym.auth.digest_size.increment;
624 for (len = cap->sym.auth.digest_size.min;
625 len <= cap->sym.auth.digest_size.max; len += inc)
627 alg = auth_cap_to_alg (cap, len);
630 dev->auth_support[auth_alg_index (alg)] = 1;
631 alg->resources += vec_len (dev->free_resources);
632 /* At least enough resources to support one algo */
633 dcm->enabled |= (alg->resources >= n_mains);
642 #define DPDK_CRYPTO_N_QUEUE_DESC 2048
643 #define DPDK_CRYPTO_NB_SESS_OBJS 20000
645 static clib_error_t *
646 crypto_dev_conf (u8 dev, u16 n_qp, u8 numa)
648 struct rte_cryptodev_config dev_conf = { 0 };
649 struct rte_cryptodev_qp_conf qp_conf = { 0 };
654 dev_conf.socket_id = numa;
655 dev_conf.nb_queue_pairs = n_qp;
657 error_str = "failed to configure crypto device %u";
658 ret = rte_cryptodev_configure (dev, &dev_conf);
660 return clib_error_return (0, error_str, dev);
662 error_str = "failed to setup crypto device %u queue pair %u";
663 qp_conf.nb_descriptors = DPDK_CRYPTO_N_QUEUE_DESC;
664 for (qp = 0; qp < n_qp; qp++)
666 #if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
667 ret = rte_cryptodev_queue_pair_setup (dev, qp, &qp_conf, numa, NULL);
669 ret = rte_cryptodev_queue_pair_setup (dev, qp, &qp_conf, numa);
672 return clib_error_return (0, error_str, dev, qp);
675 error_str = "failed to start crypto device %u";
676 if (rte_cryptodev_start (dev))
677 return clib_error_return (0, error_str, dev);
683 crypto_scan_devs (u32 n_mains)
685 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
686 struct rte_cryptodev *cryptodev;
687 struct rte_cryptodev_info info = { 0 };
689 crypto_resource_t *res;
692 u16 max_res_idx, res_idx, j;
695 vec_validate_init_empty (dcm->dev, rte_cryptodev_count () - 1,
696 (crypto_dev_t) EMPTY_STRUCT);
698 for (i = 0; i < rte_cryptodev_count (); i++)
700 dev = vec_elt_at_index (dcm->dev, i);
702 cryptodev = &rte_cryptodevs[i];
703 rte_cryptodev_info_get (i, &info);
706 dev->name = cryptodev->data->name;
707 dev->numa = rte_cryptodev_socket_id (i);
708 dev->features = info.feature_flags;
709 dev->max_qp = info.max_nb_queue_pairs;
710 drv_id = info.driver_id;
711 if (drv_id >= vec_len (dcm->drv))
712 vec_validate_init_empty (dcm->drv, drv_id,
713 (crypto_drv_t) EMPTY_STRUCT);
714 vec_elt_at_index (dcm->drv, drv_id)->name = info.driver_name;
715 dev->drv_id = drv_id;
716 vec_add1 (vec_elt_at_index (dcm->drv, drv_id)->devs, i);
718 if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING))
721 if ((error = crypto_dev_conf (i, dev->max_qp, dev->numa)))
723 clib_error_report (error);
727 max_res_idx = dev->max_qp - 1;
729 vec_validate (dev->free_resources, max_res_idx);
731 res_idx = vec_len (dcm->resource);
732 vec_validate_init_empty_aligned (dcm->resource, res_idx + max_res_idx,
733 (crypto_resource_t) EMPTY_STRUCT,
734 CLIB_CACHE_LINE_BYTES);
736 for (j = 0; j <= max_res_idx; j++)
738 vec_elt (dev->free_resources, max_res_idx - j) = res_idx + j;
739 res = &dcm->resource[res_idx + j];
741 res->drv_id = drv_id;
743 res->numa = dev->numa;
744 res->thread_idx = (u16) ~ 0;
747 crypto_parse_capabilities (dev, info.capabilities, n_mains);
752 crypto_auto_placement (void)
754 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
755 crypto_resource_t *res;
756 crypto_worker_main_t *cwm;
758 u32 thread_idx, skip_master;
763 skip_master = vlib_num_workers () > 0;
766 vec_foreach (dev, dcm->dev)
768 vec_foreach_index (thread_idx, dcm->workers_main)
770 if (vec_len (dev->free_resources) == 0)
773 if (thread_idx < skip_master)
776 /* Check thread is not already using the device */
777 vec_foreach (idx, dev->used_resources)
778 if (dcm->resource[idx[0]].thread_idx == thread_idx)
781 cwm = vec_elt_at_index (dcm->workers_main, thread_idx);
784 res_idx = vec_pop (dev->free_resources);
786 /* Set device only for supported algos */
787 for (i = 0; i < IPSEC_CRYPTO_N_ALG; i++)
788 if (dev->cipher_support[i] &&
789 cwm->cipher_resource_idx[i] == (u16) ~0)
791 dcm->cipher_algs[i].disabled--;
792 cwm->cipher_resource_idx[i] = res_idx;
796 for (i = 0; i < IPSEC_INTEG_N_ALG; i++)
797 if (dev->auth_support[i] &&
798 cwm->auth_resource_idx[i] == (u16) ~0)
800 dcm->auth_algs[i].disabled--;
801 cwm->auth_resource_idx[i] = res_idx;
807 vec_add1 (dev->free_resources, res_idx);
811 vec_add1 (dev->used_resources, res_idx);
813 res = vec_elt_at_index (dcm->resource, res_idx);
815 ASSERT (res->thread_idx == (u16) ~0);
816 res->thread_idx = thread_idx;
818 /* Add device to vector of polling resources */
819 vec_add1 (cwm->resource_idx, res_idx);
826 crypto_op_init (struct rte_mempool *mempool,
827 void *_arg __attribute__ ((unused)),
828 void *_obj, unsigned i __attribute__ ((unused)))
830 struct rte_crypto_op *op = _obj;
832 op->sess_type = RTE_CRYPTO_OP_WITH_SESSION;
833 op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
834 op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
835 op->phys_addr = rte_mempool_virt2iova (_obj);
836 op->mempool = mempool;
839 static clib_error_t *
840 crypto_create_crypto_op_pool (vlib_main_t * vm, u8 numa)
842 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
843 dpdk_config_main_t *conf = &dpdk_config_main;
846 u32 pool_priv_size = sizeof (struct rte_crypto_op_pool_private);
847 struct rte_crypto_op_pool_private *priv;
848 struct rte_mempool *mp;
850 data = vec_elt_at_index (dcm->data, numa);
852 /* Already allocated */
856 pool_name = format (0, "crypto_pool_numa%u%c", numa, 0);
858 if (conf->num_crypto_mbufs == 0)
859 conf->num_crypto_mbufs = NUM_CRYPTO_MBUFS;
861 mp = rte_mempool_create ((char *) pool_name, conf->num_crypto_mbufs,
862 crypto_op_len (), 512, pool_priv_size, NULL, NULL,
863 crypto_op_init, NULL, numa, 0);
865 vec_free (pool_name);
868 return clib_error_return (0, "failed to create crypto op mempool");
870 /* Initialize mempool private data */
871 priv = rte_mempool_get_priv (mp);
872 priv->priv_size = pool_priv_size;
873 priv->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
875 data->crypto_op = mp;
880 static clib_error_t *
881 crypto_create_session_h_pool (vlib_main_t * vm, u8 numa)
883 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
886 struct rte_mempool *mp;
889 data = vec_elt_at_index (dcm->data, numa);
894 pool_name = format (0, "session_h_pool_numa%u%c", numa, 0);
897 elt_size = rte_cryptodev_sym_get_header_session_size ();
899 #if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
900 mp = rte_mempool_create ((char *) pool_name, DPDK_CRYPTO_NB_SESS_OBJS,
901 elt_size, 512, 0, NULL, NULL, NULL, NULL, numa, 0);
903 /* XXX Experimental tag in DPDK 19.02 */
904 mp = rte_cryptodev_sym_session_pool_create ((char *) pool_name,
905 DPDK_CRYPTO_NB_SESS_OBJS,
906 elt_size, 512, 0, numa);
908 vec_free (pool_name);
911 return clib_error_return (0, "failed to create crypto session mempool");
913 data->session_h = mp;
918 static clib_error_t *
919 crypto_create_session_drv_pool (vlib_main_t * vm, crypto_dev_t * dev)
921 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
924 struct rte_mempool *mp;
928 data = vec_elt_at_index (dcm->data, numa);
930 vec_validate (data->session_drv, dev->drv_id);
931 vec_validate (data->session_drv_failed, dev->drv_id);
932 vec_validate_aligned (data->session_by_drv_id_and_sa_index, 32,
933 CLIB_CACHE_LINE_BYTES);
935 if (data->session_drv[dev->drv_id])
938 pool_name = format (0, "session_drv%u_pool_numa%u%c", dev->drv_id, numa, 0);
940 elt_size = rte_cryptodev_sym_get_private_session_size (dev->id);
942 rte_mempool_create ((char *) pool_name, DPDK_CRYPTO_NB_SESS_OBJS,
943 elt_size, 512, 0, NULL, NULL, NULL, NULL, numa, 0);
945 vec_free (pool_name);
948 return clib_error_return (0, "failed to create session drv mempool");
950 data->session_drv[dev->drv_id] = mp;
951 clib_spinlock_init (&data->lockp);
956 static clib_error_t *
957 crypto_create_pools (vlib_main_t * vm)
959 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
960 clib_error_t *error = NULL;
964 vec_foreach (dev, dcm->dev)
966 vec_validate_aligned (dcm->data, dev->numa, CLIB_CACHE_LINE_BYTES);
968 error = crypto_create_crypto_op_pool (vm, dev->numa);
972 error = crypto_create_session_h_pool (vm, dev->numa);
976 error = crypto_create_session_drv_pool (vm, dev);
986 crypto_disable (void)
988 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
995 vec_foreach (data, dcm->data)
997 rte_mempool_free (data->crypto_op);
998 rte_mempool_free (data->session_h);
1000 vec_foreach_index (i, data->session_drv)
1001 rte_mempool_free (data->session_drv[i]);
1003 vec_free (data->session_drv);
1004 clib_spinlock_free (&data->lockp);
1008 vec_free (dcm->data);
1009 vec_free (dcm->workers_main);
1010 vec_free (dcm->dev);
1011 vec_free (dcm->resource);
1012 vec_free (dcm->cipher_algs);
1013 vec_free (dcm->auth_algs);
1017 dpdk_ipsec_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
1020 ipsec_main_t *im = &ipsec_main;
1021 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
1022 vlib_thread_main_t *tm = vlib_get_thread_main ();
1023 crypto_worker_main_t *cwm;
1024 clib_error_t *error = NULL;
1025 u32 i, skip_master, n_mains;
1027 n_mains = tm->n_vlib_mains;
1028 skip_master = vlib_num_workers () > 0;
1030 algos_init (n_mains - skip_master);
1032 crypto_scan_devs (n_mains - skip_master);
1034 if (!(dcm->enabled))
1036 clib_warning ("not enough DPDK crypto resources, default to OpenSSL");
1041 dcm->session_timeout = 10e9;
1043 vec_validate_init_empty_aligned (dcm->workers_main, n_mains - 1,
1044 (crypto_worker_main_t) EMPTY_STRUCT,
1045 CLIB_CACHE_LINE_BYTES);
1048 vec_foreach (cwm, dcm->workers_main)
1050 vec_validate_init_empty_aligned (cwm->ops, VLIB_FRAME_SIZE - 1, 0,
1051 CLIB_CACHE_LINE_BYTES);
1052 clib_memset (cwm->cipher_resource_idx, ~0,
1053 IPSEC_CRYPTO_N_ALG * sizeof(*cwm->cipher_resource_idx));
1054 clib_memset (cwm->auth_resource_idx, ~0,
1055 IPSEC_INTEG_N_ALG * sizeof(*cwm->auth_resource_idx));
1059 crypto_auto_placement ();
1061 error = crypto_create_pools (vm);
1064 clib_error_report (error);
1070 u32 idx = ipsec_register_esp_backend (vm, im, "dpdk backend",
1071 "dpdk-esp4-encrypt",
1072 "dpdk-esp4-encrypt-tun",
1073 "dpdk-esp4-decrypt",
1074 "dpdk-esp6-encrypt",
1075 "dpdk-esp6-encrypt-tun",
1076 "dpdk-esp6-decrypt",
1077 dpdk_ipsec_check_support,
1078 add_del_sa_session);
1079 int rv = ipsec_select_esp_backend (im, idx);
1082 vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "dpdk-crypto-input");
1084 for (i = skip_master; i < n_mains; i++)
1085 vlib_node_set_state (vlib_mains[i], node->index, VLIB_NODE_STATE_POLLING);
1090 VLIB_REGISTER_NODE (dpdk_ipsec_process_node,static) = {
1091 .function = dpdk_ipsec_process,
1092 .type = VLIB_NODE_TYPE_PROCESS,
1093 .name = "dpdk-ipsec-process",
1094 .process_log2_n_stack_bytes = 17,
1099 * fd.io coding-style-patch-verification: ON
1102 * eval: (c-set-style "gnu")