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 clib_error_t *erorr = 0;
335 sa = pool_elt_at_index (im->sad, sa_idx);
337 if ((sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) |
338 (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192) |
339 (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256))
341 crypto_set_aead_xform (&cipher_xform, sa, is_outbound);
346 crypto_set_cipher_xform (&cipher_xform, sa, is_outbound);
347 crypto_set_auth_xform (&auth_xform, sa, is_outbound);
351 cipher_xform.next = &auth_xform;
356 auth_xform.next = &cipher_xform;
361 data = vec_elt_at_index (dcm->data, res->numa);
362 clib_spinlock_lock_if_init (&data->lockp);
366 * Multiple worker/threads share the session for an SA
367 * Single session per SA, initialized for each device driver
369 s = (void *) hash_get (data->session_by_sa_index, sa_idx);
373 session[0] = rte_cryptodev_sym_session_create (data->session_h);
376 data->session_h_failed += 1;
377 erorr = 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 erorr = clib_error_return (0, "failed to init session for drv %u",
399 add_session_by_drv_and_sa_idx (session[0], data, res->drv_id, sa_idx);
402 clib_spinlock_unlock_if_init (&data->lockp);
406 static void __attribute__ ((unused)) clear_and_free_obj (void *obj)
408 struct rte_mempool *mp = rte_mempool_from_obj (obj);
410 clib_memset (obj, 0, mp->elt_size);
412 rte_mempool_put (mp, obj);
415 /* This is from rte_cryptodev_pmd.h */
417 get_session_private_data (const struct rte_cryptodev_sym_session *sess,
420 return sess->sess_private_data[driver_id];
423 /* This is from rte_cryptodev_pmd.h */
425 set_session_private_data (struct rte_cryptodev_sym_session *sess,
426 uint8_t driver_id, void *private_data)
428 sess->sess_private_data[driver_id] = private_data;
431 static clib_error_t *
432 dpdk_crypto_session_disposal (crypto_session_disposal_t * v, u64 ts)
434 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
435 crypto_session_disposal_t *s;
443 /* ordered vector by timestamp */
444 if (!(s->ts + dcm->session_timeout < ts))
447 vec_foreach_index (drv_id, dcm->drv)
449 drv_session = get_session_private_data (s->session, drv_id);
454 * Custom clear to avoid finding a dev_id for drv_id:
455 * ret = rte_cryptodev_sym_session_clear (dev_id, drv_session);
458 clear_and_free_obj (drv_session);
460 set_session_private_data (s->session, drv_id, NULL);
463 if (rte_mempool_from_obj(s->session))
465 ret = rte_cryptodev_sym_session_free (s->session);
472 vec_delete (v, s - v, 0);
474 vec_reset_length (v);
479 static clib_error_t *
480 add_del_sa_session (u32 sa_index, u8 is_add)
482 ipsec_main_t *im = &ipsec_main;
483 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
485 struct rte_cryptodev_sym_session *s;
492 ipsec_sa_t *sa = pool_elt_at_index (im->sad, sa_index);
494 switch (sa->crypto_alg)
496 case IPSEC_CRYPTO_ALG_AES_GCM_128:
497 case IPSEC_CRYPTO_ALG_AES_GCM_192:
498 case IPSEC_CRYPTO_ALG_AES_GCM_256:
499 clib_memcpy (&sa->salt, &sa->crypto_key[sa->crypto_key_len - 4], 4);
502 seed = (u32) clib_cpu_time_now ();
503 sa->salt = random_u32 (&seed);
510 vec_foreach (data, dcm->data)
512 clib_spinlock_lock_if_init (&data->lockp);
513 val = hash_get (data->session_by_sa_index, sa_index);
516 s = (struct rte_cryptodev_sym_session *) val[0];
517 vec_foreach_index (drv_id, dcm->drv)
519 val = (uword*) get_session_by_drv_and_sa_idx (data, drv_id, sa_index);
521 add_session_by_drv_and_sa_idx(NULL, data, drv_id, sa_index);
524 hash_unset (data->session_by_sa_index, sa_index);
526 u64 ts = unix_time_now_nsec ();
527 dpdk_crypto_session_disposal (data->session_disposal, ts);
529 crypto_session_disposal_t sd;
533 vec_add1 (data->session_disposal, sd);
535 clib_spinlock_unlock_if_init (&data->lockp);
542 static clib_error_t *
543 dpdk_ipsec_check_support (ipsec_sa_t * sa)
545 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
547 if (sa->integ_alg == IPSEC_INTEG_ALG_NONE)
548 switch (sa->crypto_alg)
550 case IPSEC_CRYPTO_ALG_NONE:
551 case IPSEC_CRYPTO_ALG_AES_GCM_128:
552 case IPSEC_CRYPTO_ALG_AES_GCM_192:
553 case IPSEC_CRYPTO_ALG_AES_GCM_256:
556 return clib_error_return (0, "unsupported integ-alg %U crypto-alg %U",
557 format_ipsec_integ_alg, sa->integ_alg,
558 format_ipsec_crypto_alg, sa->crypto_alg);
561 /* XXX do we need the NONE check? */
562 if (sa->crypto_alg != IPSEC_CRYPTO_ALG_NONE &&
563 dcm->cipher_algs[sa->crypto_alg].disabled)
564 return clib_error_return (0, "disabled crypto-alg %U",
565 format_ipsec_crypto_alg, sa->crypto_alg);
567 /* XXX do we need the NONE check? */
568 if (sa->integ_alg != IPSEC_INTEG_ALG_NONE &&
569 dcm->auth_algs[sa->integ_alg].disabled)
570 return clib_error_return (0, "disabled integ-alg %U",
571 format_ipsec_integ_alg, sa->integ_alg);
576 crypto_parse_capabilities (crypto_dev_t * dev,
577 const struct rte_cryptodev_capabilities *cap,
580 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
584 for (; cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; cap++)
586 /* A single capability maps to multiple cipher/auth algorithms */
587 switch (cap->sym.xform_type)
589 case RTE_CRYPTO_SYM_XFORM_AEAD:
590 case RTE_CRYPTO_SYM_XFORM_CIPHER:
591 inc = cap->sym.cipher.key_size.increment;
593 for (len = cap->sym.cipher.key_size.min;
594 len <= cap->sym.cipher.key_size.max; len += inc)
596 alg = cipher_cap_to_alg (cap, len);
599 dev->cipher_support[cipher_alg_index (alg)] = 1;
600 alg->resources += vec_len (dev->free_resources);
601 /* At least enough resources to support one algo */
602 dcm->enabled |= (alg->resources >= n_mains);
605 case RTE_CRYPTO_SYM_XFORM_AUTH:
606 inc = cap->sym.auth.digest_size.increment;
608 for (len = cap->sym.auth.digest_size.min;
609 len <= cap->sym.auth.digest_size.max; len += inc)
611 alg = auth_cap_to_alg (cap, len);
614 dev->auth_support[auth_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);
626 #define DPDK_CRYPTO_N_QUEUE_DESC 2048
627 #define DPDK_CRYPTO_NB_SESS_OBJS 20000
629 static clib_error_t *
630 crypto_dev_conf (u8 dev, u16 n_qp, u8 numa)
632 struct rte_cryptodev_config dev_conf;
633 struct rte_cryptodev_qp_conf qp_conf;
638 dev_conf.socket_id = numa;
639 dev_conf.nb_queue_pairs = n_qp;
641 error_str = "failed to configure crypto device %u";
642 ret = rte_cryptodev_configure (dev, &dev_conf);
644 return clib_error_return (0, error_str, dev);
646 error_str = "failed to setup crypto device %u queue pair %u";
647 qp_conf.nb_descriptors = DPDK_CRYPTO_N_QUEUE_DESC;
648 for (qp = 0; qp < n_qp; qp++)
650 ret = rte_cryptodev_queue_pair_setup (dev, qp, &qp_conf, numa, NULL);
652 return clib_error_return (0, error_str, dev, qp);
655 error_str = "failed to start crypto device %u";
656 if (rte_cryptodev_start (dev))
657 return clib_error_return (0, error_str, dev);
663 crypto_scan_devs (u32 n_mains)
665 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
666 struct rte_cryptodev *cryptodev;
667 struct rte_cryptodev_info info;
669 crypto_resource_t *res;
672 u16 max_res_idx, res_idx, j;
675 vec_validate_init_empty (dcm->dev, rte_cryptodev_count () - 1,
676 (crypto_dev_t) EMPTY_STRUCT);
678 for (i = 0; i < rte_cryptodev_count (); i++)
680 dev = vec_elt_at_index (dcm->dev, i);
682 cryptodev = &rte_cryptodevs[i];
683 rte_cryptodev_info_get (i, &info);
686 dev->name = cryptodev->data->name;
687 dev->numa = rte_cryptodev_socket_id (i);
688 dev->features = info.feature_flags;
689 dev->max_qp = info.max_nb_queue_pairs;
690 drv_id = info.driver_id;
691 if (drv_id >= vec_len (dcm->drv))
692 vec_validate_init_empty (dcm->drv, drv_id,
693 (crypto_drv_t) EMPTY_STRUCT);
694 vec_elt_at_index (dcm->drv, drv_id)->name = info.driver_name;
695 dev->drv_id = drv_id;
696 vec_add1 (vec_elt_at_index (dcm->drv, drv_id)->devs, i);
698 if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING))
701 if ((error = crypto_dev_conf (i, dev->max_qp, dev->numa)))
703 clib_error_report (error);
707 max_res_idx = (dev->max_qp / 2) - 1;
709 vec_validate (dev->free_resources, max_res_idx);
711 res_idx = vec_len (dcm->resource);
712 vec_validate_init_empty_aligned (dcm->resource, res_idx + max_res_idx,
713 (crypto_resource_t) EMPTY_STRUCT,
714 CLIB_CACHE_LINE_BYTES);
716 for (j = 0; j <= max_res_idx; j++, res_idx++)
718 vec_elt (dev->free_resources, max_res_idx - j) = res_idx;
719 res = &dcm->resource[res_idx];
721 res->drv_id = drv_id;
723 res->numa = dev->numa;
724 res->thread_idx = (u16) ~ 0;
727 crypto_parse_capabilities (dev, info.capabilities, n_mains);
732 crypto_auto_placement (void)
734 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
735 crypto_resource_t *res;
736 crypto_worker_main_t *cwm;
738 u32 thread_idx, skip_master;
743 skip_master = vlib_num_workers () > 0;
746 vec_foreach (dev, dcm->dev)
748 vec_foreach_index (thread_idx, dcm->workers_main)
750 if (vec_len (dev->free_resources) == 0)
753 if (thread_idx < skip_master)
756 /* Check thread is not already using the device */
757 vec_foreach (idx, dev->used_resources)
758 if (dcm->resource[idx[0]].thread_idx == thread_idx)
761 cwm = vec_elt_at_index (dcm->workers_main, thread_idx);
764 res_idx = vec_pop (dev->free_resources);
766 /* Set device only for supported algos */
767 for (i = 0; i < IPSEC_CRYPTO_N_ALG; i++)
768 if (dev->cipher_support[i] &&
769 cwm->cipher_resource_idx[i] == (u16) ~0)
771 dcm->cipher_algs[i].disabled--;
772 cwm->cipher_resource_idx[i] = res_idx;
776 for (i = 0; i < IPSEC_INTEG_N_ALG; i++)
777 if (dev->auth_support[i] &&
778 cwm->auth_resource_idx[i] == (u16) ~0)
780 dcm->auth_algs[i].disabled--;
781 cwm->auth_resource_idx[i] = res_idx;
787 vec_add1 (dev->free_resources, res_idx);
791 vec_add1 (dev->used_resources, res_idx);
793 res = vec_elt_at_index (dcm->resource, res_idx);
795 ASSERT (res->thread_idx == (u16) ~0);
796 res->thread_idx = thread_idx;
798 /* Add device to vector of polling resources */
799 vec_add1 (cwm->resource_idx, res_idx);
806 crypto_op_init (struct rte_mempool *mempool,
807 void *_arg __attribute__ ((unused)),
808 void *_obj, unsigned i __attribute__ ((unused)))
810 struct rte_crypto_op *op = _obj;
812 op->sess_type = RTE_CRYPTO_OP_WITH_SESSION;
813 op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
814 op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
815 op->phys_addr = rte_mempool_virt2iova (_obj);
816 op->mempool = mempool;
819 static clib_error_t *
820 crypto_create_crypto_op_pool (vlib_main_t * vm, u8 numa)
822 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
823 dpdk_config_main_t *conf = &dpdk_config_main;
826 u32 pool_priv_size = sizeof (struct rte_crypto_op_pool_private);
827 struct rte_crypto_op_pool_private *priv;
828 struct rte_mempool *mp;
830 data = vec_elt_at_index (dcm->data, numa);
832 /* Already allocated */
836 pool_name = format (0, "crypto_pool_numa%u%c", numa, 0);
839 rte_mempool_create ((char *) pool_name,
841 crypto_op_len (), 512, pool_priv_size, NULL, NULL,
842 crypto_op_init, NULL, numa, 0);
844 vec_free (pool_name);
847 return clib_error_return (0, "failed to create crypto op mempool");
849 /* Initialize mempool private data */
850 priv = rte_mempool_get_priv (mp);
851 priv->priv_size = pool_priv_size;
852 priv->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
854 data->crypto_op = mp;
859 static clib_error_t *
860 crypto_create_session_h_pool (vlib_main_t * vm, u8 numa)
862 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
865 struct rte_mempool *mp;
868 data = vec_elt_at_index (dcm->data, numa);
873 pool_name = format (0, "session_h_pool_numa%u%c", numa, 0);
876 elt_size = rte_cryptodev_sym_get_header_session_size ();
879 rte_mempool_create ((char *) pool_name, DPDK_CRYPTO_NB_SESS_OBJS,
880 elt_size, 512, 0, NULL, NULL, NULL, NULL, numa, 0);
882 vec_free (pool_name);
885 return clib_error_return (0, "failed to create crypto session mempool");
887 data->session_h = mp;
892 static clib_error_t *
893 crypto_create_session_drv_pool (vlib_main_t * vm, crypto_dev_t * dev)
895 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
898 struct rte_mempool *mp;
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);
906 vec_validate_aligned (data->session_by_drv_id_and_sa_index, 32,
907 CLIB_CACHE_LINE_BYTES);
909 if (data->session_drv[dev->drv_id])
912 pool_name = format (0, "session_drv%u_pool_numa%u%c", dev->drv_id, numa, 0);
914 elt_size = rte_cryptodev_sym_get_private_session_size (dev->id);
916 rte_mempool_create ((char *) pool_name, DPDK_CRYPTO_NB_SESS_OBJS,
917 elt_size, 512, 0, NULL, NULL, NULL, NULL, numa, 0);
919 vec_free (pool_name);
922 return clib_error_return (0, "failed to create session drv mempool");
924 data->session_drv[dev->drv_id] = mp;
925 clib_spinlock_init (&data->lockp);
930 static clib_error_t *
931 crypto_create_pools (vlib_main_t * vm)
933 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
934 clib_error_t *error = NULL;
938 vec_foreach (dev, dcm->dev)
940 vec_validate_aligned (dcm->data, dev->numa, CLIB_CACHE_LINE_BYTES);
942 error = crypto_create_crypto_op_pool (vm, dev->numa);
946 error = crypto_create_session_h_pool (vm, dev->numa);
950 error = crypto_create_session_drv_pool (vm, dev);
960 crypto_disable (void)
962 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
969 vec_foreach (data, dcm->data)
971 rte_mempool_free (data->crypto_op);
972 rte_mempool_free (data->session_h);
974 vec_foreach_index (i, data->session_drv)
975 rte_mempool_free (data->session_drv[i]);
977 vec_free (data->session_drv);
978 clib_spinlock_free (&data->lockp);
982 vec_free (dcm->data);
983 vec_free (dcm->workers_main);
985 vec_free (dcm->resource);
986 vec_free (dcm->cipher_algs);
987 vec_free (dcm->auth_algs);
991 dpdk_ipsec_process (vlib_main_t * vm, vlib_node_runtime_t * rt,
994 ipsec_main_t *im = &ipsec_main;
995 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
996 vlib_thread_main_t *tm = vlib_get_thread_main ();
997 crypto_worker_main_t *cwm;
998 clib_error_t *error = NULL;
999 u32 i, skip_master, n_mains;
1001 n_mains = tm->n_vlib_mains;
1002 skip_master = vlib_num_workers () > 0;
1004 algos_init (n_mains - skip_master);
1006 crypto_scan_devs (n_mains - skip_master);
1008 if (!(dcm->enabled))
1010 clib_warning ("not enough DPDK crypto resources, default to OpenSSL");
1015 dcm->session_timeout = 10e9;
1017 vec_validate_init_empty_aligned (dcm->workers_main, n_mains - 1,
1018 (crypto_worker_main_t) EMPTY_STRUCT,
1019 CLIB_CACHE_LINE_BYTES);
1022 vec_foreach (cwm, dcm->workers_main)
1024 vec_validate_init_empty_aligned (cwm->ops, VLIB_FRAME_SIZE - 1, 0,
1025 CLIB_CACHE_LINE_BYTES);
1026 clib_memset (cwm->cipher_resource_idx, ~0,
1027 IPSEC_CRYPTO_N_ALG * sizeof(*cwm->cipher_resource_idx));
1028 clib_memset (cwm->auth_resource_idx, ~0,
1029 IPSEC_INTEG_N_ALG * sizeof(*cwm->auth_resource_idx));
1033 crypto_auto_placement ();
1035 error = crypto_create_pools (vm);
1038 clib_error_report (error);
1044 ipsec_register_esp_backend (vm, im, "dpdk backend",
1045 "dpdk-esp4-encrypt",
1046 "dpdk-esp4-decrypt",
1047 "dpdk-esp6-encrypt",
1048 "dpdk-esp6-decrypt",
1049 dpdk_ipsec_check_support, add_del_sa_session);
1051 vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "dpdk-crypto-input");
1053 for (i = skip_master; i < n_mains; i++)
1054 vlib_node_set_state (vlib_mains[i], node->index, VLIB_NODE_STATE_POLLING);
1059 VLIB_REGISTER_NODE (dpdk_ipsec_process_node,static) = {
1060 .function = dpdk_ipsec_process,
1061 .type = VLIB_NODE_TYPE_PROCESS,
1062 .name = "dpdk-ipsec-process",
1063 .process_log2_n_stack_bytes = 17,
1068 * fd.io coding-style-patch-verification: ON
1071 * eval: (c-set-style "gnu")