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>
22 #include <dpdk/device/dpdk.h>
23 #include <dpdk/buffer.h>
24 #include <dpdk/ipsec/ipsec.h>
26 dpdk_crypto_main_t dpdk_crypto_main;
28 #define EMPTY_STRUCT {0}
29 #define NUM_CRYPTO_MBUFS 16384
32 algos_init (u32 n_mains)
34 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
37 vec_validate_aligned (dcm->cipher_algs, IPSEC_CRYPTO_N_ALG - 1, 8);
41 dcm->cipher_algs[IPSEC_CRYPTO_ALG_##f].name = str; \
42 dcm->cipher_algs[IPSEC_CRYPTO_ALG_##f].disabled = n_mains;
43 foreach_ipsec_crypto_alg
47 /* Minimum boundary for ciphers is 4B, required by ESP */
48 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_NONE];
49 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
50 a->alg = RTE_CRYPTO_CIPHER_NULL;
51 a->boundary = 4; /* 1 */
55 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_128];
56 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
57 a->alg = RTE_CRYPTO_CIPHER_AES_CBC;
62 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_192];
63 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
64 a->alg = RTE_CRYPTO_CIPHER_AES_CBC;
69 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_256];
70 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
71 a->alg = RTE_CRYPTO_CIPHER_AES_CBC;
76 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_128];
77 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
78 a->alg = RTE_CRYPTO_CIPHER_AES_CTR;
79 a->boundary = 4; /* 1 */
83 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_192];
84 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
85 a->alg = RTE_CRYPTO_CIPHER_AES_CTR;
86 a->boundary = 4; /* 1 */
90 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_256];
91 a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
92 a->alg = RTE_CRYPTO_CIPHER_AES_CTR;
93 a->boundary = 4; /* 1 */
97 #define AES_GCM_TYPE RTE_CRYPTO_SYM_XFORM_AEAD
98 #define AES_GCM_ALG RTE_CRYPTO_AEAD_AES_GCM
100 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_128];
101 a->type = AES_GCM_TYPE;
102 a->alg = AES_GCM_ALG;
103 a->boundary = 4; /* 1 */
108 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_192];
109 a->type = AES_GCM_TYPE;
110 a->alg = AES_GCM_ALG;
111 a->boundary = 4; /* 1 */
116 a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_256];
117 a->type = AES_GCM_TYPE;
118 a->alg = AES_GCM_ALG;
119 a->boundary = 4; /* 1 */
124 vec_validate (dcm->auth_algs, IPSEC_INTEG_N_ALG - 1);
128 dcm->auth_algs[IPSEC_INTEG_ALG_##f].name = str; \
129 dcm->auth_algs[IPSEC_INTEG_ALG_##f].disabled = n_mains;
130 foreach_ipsec_integ_alg
134 a = &dcm->auth_algs[IPSEC_INTEG_ALG_NONE];
135 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
136 a->alg = RTE_CRYPTO_AUTH_NULL;
140 a = &dcm->auth_algs[IPSEC_INTEG_ALG_MD5_96];
141 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
142 a->alg = RTE_CRYPTO_AUTH_MD5_HMAC;
146 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA1_96];
147 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
148 a->alg = RTE_CRYPTO_AUTH_SHA1_HMAC;
152 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_256_96];
153 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
154 a->alg = RTE_CRYPTO_AUTH_SHA256_HMAC;
158 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_256_128];
159 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
160 a->alg = RTE_CRYPTO_AUTH_SHA256_HMAC;
164 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_384_192];
165 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
166 a->alg = RTE_CRYPTO_AUTH_SHA384_HMAC;
170 a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_512_256];
171 a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
172 a->alg = RTE_CRYPTO_AUTH_SHA512_HMAC;
178 cipher_alg_index (const crypto_alg_t * alg)
180 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
182 return (alg - dcm->cipher_algs);
186 auth_alg_index (const crypto_alg_t * alg)
188 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
190 return (alg - dcm->auth_algs);
193 static crypto_alg_t *
194 cipher_cap_to_alg (const struct rte_cryptodev_capabilities *cap, u8 key_len)
196 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
199 if (cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
203 vec_foreach (alg, dcm->cipher_algs)
205 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) &&
206 (alg->type == RTE_CRYPTO_SYM_XFORM_CIPHER) &&
207 (cap->sym.cipher.algo == alg->alg) &&
208 (alg->key_len == key_len))
210 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) &&
211 (alg->type == RTE_CRYPTO_SYM_XFORM_AEAD) &&
212 (cap->sym.aead.algo == alg->alg) &&
213 (alg->key_len == key_len))
221 static crypto_alg_t *
222 auth_cap_to_alg (const struct rte_cryptodev_capabilities *cap, u8 trunc_size)
224 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
227 if ((cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) ||
228 (cap->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH))
232 vec_foreach (alg, dcm->auth_algs)
234 if ((cap->sym.auth.algo == alg->alg) &&
235 (alg->trunc_size == trunc_size))
244 crypto_set_aead_xform (struct rte_crypto_sym_xform *xform,
245 ipsec_sa_t * sa, u8 is_outbound)
247 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
250 c = vec_elt_at_index (dcm->cipher_algs, sa->crypto_alg);
252 ASSERT (c->type == RTE_CRYPTO_SYM_XFORM_AEAD);
254 xform->type = RTE_CRYPTO_SYM_XFORM_AEAD;
255 xform->aead.algo = c->alg;
256 xform->aead.key.data = sa->crypto_key.data;
257 xform->aead.key.length = c->key_len;
258 xform->aead.iv.offset =
259 crypto_op_get_priv_offset () + offsetof (dpdk_op_priv_t, cb);
260 xform->aead.iv.length = 12;
261 xform->aead.digest_length = c->trunc_size;
262 xform->aead.aad_length = ipsec_sa_is_set_USE_ESN (sa) ? 12 : 8;
266 xform->aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
268 xform->aead.op = RTE_CRYPTO_AEAD_OP_DECRYPT;
272 crypto_set_cipher_xform (struct rte_crypto_sym_xform *xform,
273 ipsec_sa_t * sa, u8 is_outbound)
275 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
278 c = vec_elt_at_index (dcm->cipher_algs, sa->crypto_alg);
280 ASSERT (c->type == RTE_CRYPTO_SYM_XFORM_CIPHER);
282 xform->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
283 xform->cipher.algo = c->alg;
284 xform->cipher.key.data = sa->crypto_key.data;
285 xform->cipher.key.length = c->key_len;
286 xform->cipher.iv.offset =
287 crypto_op_get_priv_offset () + offsetof (dpdk_op_priv_t, cb);
288 xform->cipher.iv.length = c->iv_len;
292 xform->cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
294 xform->cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
298 crypto_set_auth_xform (struct rte_crypto_sym_xform *xform,
299 ipsec_sa_t * sa, u8 is_outbound)
301 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
304 a = vec_elt_at_index (dcm->auth_algs, sa->integ_alg);
306 ASSERT (a->type == RTE_CRYPTO_SYM_XFORM_AUTH);
308 xform->type = RTE_CRYPTO_SYM_XFORM_AUTH;
309 xform->auth.algo = a->alg;
310 xform->auth.key.data = sa->integ_key.data;
311 xform->auth.key.length = a->key_len;
312 xform->auth.digest_length = a->trunc_size;
316 xform->auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
318 xform->auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
322 create_sym_session (struct rte_cryptodev_sym_session **session,
324 crypto_resource_t * res,
325 crypto_worker_main_t * cwm, u8 is_outbound)
327 dpdk_crypto_main_t *dcm = &dpdk_crypto_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;
336 sa = ipsec_sa_get (sa_idx);
338 if ((sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) |
339 (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192) |
340 (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256))
342 crypto_set_aead_xform (&cipher_xform, sa, is_outbound);
347 crypto_set_cipher_xform (&cipher_xform, sa, is_outbound);
348 crypto_set_auth_xform (&auth_xform, sa, is_outbound);
352 cipher_xform.next = &auth_xform;
357 auth_xform.next = &cipher_xform;
362 data = vec_elt_at_index (dcm->data, res->numa);
363 clib_spinlock_lock_if_init (&data->lockp);
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 error = clib_error_return (0, "failed to create session header");
381 hash_set (data->session_by_sa_index, sa_idx, session[0]);
386 struct rte_mempool **mp;
387 mp = vec_elt_at_index (data->session_drv, res->drv_id);
388 ASSERT (mp[0] != NULL);
391 rte_cryptodev_sym_session_init (res->dev_id, session[0], xfs, mp[0]);
394 data->session_drv_failed[res->drv_id] += 1;
395 error = clib_error_return (0, "failed to init session for drv %u",
400 add_session_by_drv_and_sa_idx (session[0], data, res->drv_id, sa_idx);
403 clib_spinlock_unlock_if_init (&data->lockp);
407 static void __attribute__ ((unused)) clear_and_free_obj (void *obj)
409 struct rte_mempool *mp = rte_mempool_from_obj (obj);
411 clib_memset (obj, 0, mp->elt_size);
413 rte_mempool_put (mp, obj);
416 /* This is from rte_cryptodev_pmd.h */
418 get_session_private_data (const struct rte_cryptodev_sym_session *sess,
421 #if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
422 return sess->sess_private_data[driver_id];
424 if (unlikely (sess->nb_drivers <= driver_id))
427 return sess->sess_data[driver_id].data;
431 /* This is from rte_cryptodev_pmd.h */
433 set_session_private_data (struct rte_cryptodev_sym_session *sess,
434 uint8_t driver_id, void *private_data)
436 #if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
437 sess->sess_private_data[driver_id] = private_data;
439 if (unlikely (sess->nb_drivers <= driver_id))
441 sess->sess_data[driver_id].data = private_data;
445 static clib_error_t *
446 dpdk_crypto_session_disposal (crypto_session_disposal_t * v, u64 ts)
448 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
449 crypto_session_disposal_t *s;
457 /* ordered vector by timestamp */
458 if (!(s->ts + dcm->session_timeout < ts))
461 vec_foreach_index (drv_id, dcm->drv)
463 drv_session = get_session_private_data (s->session, drv_id);
468 * Custom clear to avoid finding a dev_id for drv_id:
469 * ret = rte_cryptodev_sym_session_clear (dev_id, drv_session);
472 clear_and_free_obj (drv_session);
474 set_session_private_data (s->session, drv_id, NULL);
477 if (rte_mempool_from_obj(s->session))
479 ret = rte_cryptodev_sym_session_free (s->session);
486 vec_delete (v, s - v, 0);
488 vec_reset_length (v);
493 static clib_error_t *
494 add_del_sa_session (u32 sa_index, u8 is_add)
496 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
498 struct rte_cryptodev_sym_session *s;
506 vec_foreach (data, dcm->data)
508 clib_spinlock_lock_if_init (&data->lockp);
509 val = hash_get (data->session_by_sa_index, sa_index);
512 s = (struct rte_cryptodev_sym_session *) val[0];
513 vec_foreach_index (drv_id, dcm->drv)
515 val = (uword*) get_session_by_drv_and_sa_idx (data, drv_id, sa_index);
517 add_session_by_drv_and_sa_idx(NULL, data, drv_id, sa_index);
520 hash_unset (data->session_by_sa_index, sa_index);
522 u64 ts = unix_time_now_nsec ();
523 dpdk_crypto_session_disposal (data->session_disposal, ts);
525 crypto_session_disposal_t sd;
529 vec_add1 (data->session_disposal, sd);
531 clib_spinlock_unlock_if_init (&data->lockp);
538 static clib_error_t *
539 dpdk_ipsec_check_support (ipsec_sa_t * sa)
541 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
543 if (sa->integ_alg == IPSEC_INTEG_ALG_NONE)
544 switch (sa->crypto_alg)
546 case IPSEC_CRYPTO_ALG_NONE:
547 case IPSEC_CRYPTO_ALG_AES_GCM_128:
548 case IPSEC_CRYPTO_ALG_AES_GCM_192:
549 case IPSEC_CRYPTO_ALG_AES_GCM_256:
552 return clib_error_return (0, "unsupported integ-alg %U crypto-alg %U",
553 format_ipsec_integ_alg, sa->integ_alg,
554 format_ipsec_crypto_alg, sa->crypto_alg);
557 /* XXX do we need the NONE check? */
558 if (sa->crypto_alg != IPSEC_CRYPTO_ALG_NONE &&
559 dcm->cipher_algs[sa->crypto_alg].disabled)
560 return clib_error_return (0, "disabled crypto-alg %U",
561 format_ipsec_crypto_alg, sa->crypto_alg);
563 /* XXX do we need the NONE check? */
564 if (sa->integ_alg != IPSEC_INTEG_ALG_NONE &&
565 dcm->auth_algs[sa->integ_alg].disabled)
566 return clib_error_return (0, "disabled integ-alg %U",
567 format_ipsec_integ_alg, sa->integ_alg);
572 crypto_parse_capabilities (crypto_dev_t * dev,
573 const struct rte_cryptodev_capabilities *cap,
576 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
580 for (; cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; cap++)
582 /* A single capability maps to multiple cipher/auth algorithms */
583 switch (cap->sym.xform_type)
585 case RTE_CRYPTO_SYM_XFORM_AEAD:
586 case RTE_CRYPTO_SYM_XFORM_CIPHER:
587 inc = cap->sym.cipher.key_size.increment;
589 for (len = cap->sym.cipher.key_size.min;
590 len <= cap->sym.cipher.key_size.max; len += inc)
592 alg = cipher_cap_to_alg (cap, len);
595 dev->cipher_support[cipher_alg_index (alg)] = 1;
596 alg->resources += vec_len (dev->free_resources);
597 /* At least enough resources to support one algo */
598 dcm->enabled |= (alg->resources >= n_mains);
601 case RTE_CRYPTO_SYM_XFORM_AUTH:
602 inc = cap->sym.auth.digest_size.increment;
604 for (len = cap->sym.auth.digest_size.min;
605 len <= cap->sym.auth.digest_size.max; len += inc)
607 alg = auth_cap_to_alg (cap, len);
610 dev->auth_support[auth_alg_index (alg)] = 1;
611 alg->resources += vec_len (dev->free_resources);
612 /* At least enough resources to support one algo */
613 dcm->enabled |= (alg->resources >= n_mains);
622 static clib_error_t *
623 crypto_dev_conf (u8 dev, u16 n_qp, u8 numa)
625 struct rte_cryptodev_config dev_conf = { 0 };
626 struct rte_cryptodev_qp_conf qp_conf = { 0 };
631 dev_conf.socket_id = numa;
632 dev_conf.nb_queue_pairs = n_qp;
634 error_str = "failed to configure crypto device %u";
635 ret = rte_cryptodev_configure (dev, &dev_conf);
637 return clib_error_return (0, error_str, dev);
639 error_str = "failed to setup crypto device %u queue pair %u";
640 qp_conf.nb_descriptors = DPDK_CRYPTO_N_QUEUE_DESC;
641 for (qp = 0; qp < n_qp; qp++)
643 #if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
644 ret = rte_cryptodev_queue_pair_setup (dev, qp, &qp_conf, numa, NULL);
646 ret = rte_cryptodev_queue_pair_setup (dev, qp, &qp_conf, numa);
649 return clib_error_return (0, error_str, dev, qp);
652 error_str = "failed to start crypto device %u";
653 if (rte_cryptodev_start (dev))
654 return clib_error_return (0, error_str, dev);
660 crypto_scan_devs (u32 n_mains)
662 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
663 struct rte_cryptodev *cryptodev;
664 struct rte_cryptodev_info info = { 0 };
666 crypto_resource_t *res;
669 u16 max_res_idx, res_idx, j;
672 vec_validate_init_empty (dcm->dev, rte_cryptodev_count () - 1,
673 (crypto_dev_t) EMPTY_STRUCT);
675 for (i = 0; i < rte_cryptodev_count (); i++)
677 dev = vec_elt_at_index (dcm->dev, i);
679 cryptodev = &rte_cryptodevs[i];
680 rte_cryptodev_info_get (i, &info);
683 dev->name = cryptodev->data->name;
684 dev->numa = rte_cryptodev_socket_id (i);
685 dev->features = info.feature_flags;
686 dev->max_qp = info.max_nb_queue_pairs;
687 drv_id = info.driver_id;
688 if (drv_id >= vec_len (dcm->drv))
689 vec_validate_init_empty (dcm->drv, drv_id,
690 (crypto_drv_t) EMPTY_STRUCT);
691 vec_elt_at_index (dcm->drv, drv_id)->name = info.driver_name;
692 dev->drv_id = drv_id;
693 vec_add1 (vec_elt_at_index (dcm->drv, drv_id)->devs, i);
695 if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING))
698 if ((error = crypto_dev_conf (i, dev->max_qp, dev->numa)))
700 clib_error_report (error);
704 max_res_idx = dev->max_qp - 1;
706 vec_validate (dev->free_resources, max_res_idx);
708 res_idx = vec_len (dcm->resource);
709 vec_validate_init_empty_aligned (dcm->resource, res_idx + max_res_idx,
710 (crypto_resource_t) EMPTY_STRUCT,
711 CLIB_CACHE_LINE_BYTES);
713 for (j = 0; j <= max_res_idx; j++)
715 vec_elt (dev->free_resources, max_res_idx - j) = res_idx + j;
716 res = &dcm->resource[res_idx + j];
718 res->drv_id = drv_id;
720 res->numa = dev->numa;
721 res->thread_idx = (u16) ~ 0;
724 crypto_parse_capabilities (dev, info.capabilities, n_mains);
729 crypto_auto_placement (void)
731 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
732 crypto_resource_t *res;
733 crypto_worker_main_t *cwm;
735 u32 thread_idx, skip_master;
740 skip_master = vlib_num_workers () > 0;
743 vec_foreach (dev, dcm->dev)
745 vec_foreach_index (thread_idx, dcm->workers_main)
747 if (vec_len (dev->free_resources) == 0)
750 if (thread_idx < skip_master)
753 /* Check thread is not already using the device */
754 vec_foreach (idx, dev->used_resources)
755 if (dcm->resource[idx[0]].thread_idx == thread_idx)
758 cwm = vec_elt_at_index (dcm->workers_main, thread_idx);
761 res_idx = vec_pop (dev->free_resources);
763 /* Set device only for supported algos */
764 for (i = 0; i < IPSEC_CRYPTO_N_ALG; i++)
765 if (dev->cipher_support[i] &&
766 cwm->cipher_resource_idx[i] == (u16) ~0)
768 dcm->cipher_algs[i].disabled--;
769 cwm->cipher_resource_idx[i] = res_idx;
773 for (i = 0; i < IPSEC_INTEG_N_ALG; i++)
774 if (dev->auth_support[i] &&
775 cwm->auth_resource_idx[i] == (u16) ~0)
777 dcm->auth_algs[i].disabled--;
778 cwm->auth_resource_idx[i] = res_idx;
784 vec_add1 (dev->free_resources, res_idx);
788 vec_add1 (dev->used_resources, res_idx);
790 res = vec_elt_at_index (dcm->resource, res_idx);
792 ASSERT (res->thread_idx == (u16) ~0);
793 res->thread_idx = thread_idx;
795 /* Add device to vector of polling resources */
796 vec_add1 (cwm->resource_idx, res_idx);
803 crypto_op_init (struct rte_mempool *mempool,
804 void *_arg __attribute__ ((unused)),
805 void *_obj, unsigned i __attribute__ ((unused)))
807 struct rte_crypto_op *op = _obj;
809 op->sess_type = RTE_CRYPTO_OP_WITH_SESSION;
810 op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
811 op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
812 op->phys_addr = rte_mempool_virt2iova (_obj);
813 op->mempool = mempool;
816 static clib_error_t *
817 crypto_create_crypto_op_pool (vlib_main_t * vm, u8 numa)
819 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
820 dpdk_config_main_t *conf = &dpdk_config_main;
823 u32 pool_priv_size = sizeof (struct rte_crypto_op_pool_private);
824 struct rte_crypto_op_pool_private *priv;
825 struct rte_mempool *mp;
827 data = vec_elt_at_index (dcm->data, numa);
829 /* Already allocated */
833 pool_name = format (0, "crypto_pool_numa%u%c", numa, 0);
835 if (conf->num_crypto_mbufs == 0)
836 conf->num_crypto_mbufs = NUM_CRYPTO_MBUFS;
838 mp = rte_mempool_create ((char *) pool_name, conf->num_crypto_mbufs,
839 crypto_op_len (), 512, pool_priv_size, NULL, NULL,
840 crypto_op_init, NULL, numa, 0);
842 vec_free (pool_name);
845 return clib_error_return (0, "failed to create crypto op mempool");
847 /* Initialize mempool private data */
848 priv = rte_mempool_get_priv (mp);
849 priv->priv_size = pool_priv_size;
850 priv->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
852 data->crypto_op = mp;
857 static clib_error_t *
858 crypto_create_session_h_pool (vlib_main_t * vm, u8 numa)
860 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
863 struct rte_mempool *mp;
866 data = vec_elt_at_index (dcm->data, numa);
871 pool_name = format (0, "session_h_pool_numa%u%c", numa, 0);
874 elt_size = rte_cryptodev_sym_get_header_session_size ();
876 #if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
877 mp = rte_mempool_create ((char *) pool_name, DPDK_CRYPTO_NB_SESS_OBJS,
878 elt_size, 512, 0, NULL, NULL, NULL, NULL, numa, 0);
880 /* XXX Experimental tag in DPDK 19.02 */
881 mp = rte_cryptodev_sym_session_pool_create ((char *) pool_name,
882 DPDK_CRYPTO_NB_SESS_OBJS,
883 elt_size, 512, 0, numa);
885 vec_free (pool_name);
888 return clib_error_return (0, "failed to create crypto session mempool");
890 data->session_h = mp;
895 static clib_error_t *
896 crypto_create_session_drv_pool (vlib_main_t * vm, crypto_dev_t * dev)
898 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
901 struct rte_mempool *mp;
905 data = vec_elt_at_index (dcm->data, numa);
907 vec_validate (data->session_drv, dev->drv_id);
908 vec_validate (data->session_drv_failed, dev->drv_id);
909 vec_validate_aligned (data->session_by_drv_id_and_sa_index, 32,
910 CLIB_CACHE_LINE_BYTES);
912 if (data->session_drv[dev->drv_id])
915 pool_name = format (0, "session_drv%u_pool_numa%u%c", dev->drv_id, numa, 0);
917 elt_size = rte_cryptodev_sym_get_private_session_size (dev->id);
919 rte_mempool_create ((char *) pool_name, DPDK_CRYPTO_NB_SESS_OBJS,
920 elt_size, 512, 0, NULL, NULL, NULL, NULL, numa, 0);
922 vec_free (pool_name);
925 return clib_error_return (0, "failed to create session drv mempool");
927 data->session_drv[dev->drv_id] = mp;
928 clib_spinlock_init (&data->lockp);
933 static clib_error_t *
934 crypto_create_pools (vlib_main_t * vm)
936 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
937 clib_error_t *error = NULL;
941 vec_foreach (dev, dcm->dev)
943 vec_validate_aligned (dcm->data, dev->numa, CLIB_CACHE_LINE_BYTES);
945 error = crypto_create_crypto_op_pool (vm, dev->numa);
949 error = crypto_create_session_h_pool (vm, dev->numa);
953 error = crypto_create_session_drv_pool (vm, dev);
963 crypto_disable (void)
965 dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
972 vec_foreach (data, dcm->data)
974 rte_mempool_free (data->crypto_op);
975 rte_mempool_free (data->session_h);
977 vec_foreach_index (i, data->session_drv)
978 rte_mempool_free (data->session_drv[i]);
980 vec_free (data->session_drv);
981 clib_spinlock_free (&data->lockp);
985 vec_free (dcm->data);
986 vec_free (dcm->workers_main);
988 vec_free (dcm->resource);
989 vec_free (dcm->cipher_algs);
990 vec_free (dcm->auth_algs);
993 static clib_error_t *
994 dpdk_ipsec_enable_disable (int is_enable)
996 vlib_main_t *vm = vlib_get_main ();
997 vlib_thread_main_t *tm = vlib_get_thread_main ();
998 vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "dpdk-crypto-input");
999 u32 skip_master = vlib_num_workers () > 0;
1000 u32 n_mains = tm->n_vlib_mains;
1004 for (i = skip_master; i < n_mains; i++)
1005 vlib_node_set_state (vlib_mains[i], node->index, is_enable != 0 ?
1006 VLIB_NODE_STATE_POLLING : VLIB_NODE_STATE_DISABLED);
1011 static clib_error_t *
1012 dpdk_ipsec_main_init (vlib_main_t * vm)
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 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 vlib_log_warn (dpdk_main.log_default,
1031 "not enough DPDK crypto resources");
1036 dcm->session_timeout = 10e9;
1038 vec_validate_init_empty_aligned (dcm->workers_main, n_mains - 1,
1039 (crypto_worker_main_t) EMPTY_STRUCT,
1040 CLIB_CACHE_LINE_BYTES);
1043 vec_foreach (cwm, dcm->workers_main)
1045 vec_validate_init_empty_aligned (cwm->ops, VLIB_FRAME_SIZE - 1, 0,
1046 CLIB_CACHE_LINE_BYTES);
1047 clib_memset (cwm->cipher_resource_idx, ~0,
1048 IPSEC_CRYPTO_N_ALG * sizeof(*cwm->cipher_resource_idx));
1049 clib_memset (cwm->auth_resource_idx, ~0,
1050 IPSEC_INTEG_N_ALG * sizeof(*cwm->auth_resource_idx));
1054 crypto_auto_placement ();
1056 error = crypto_create_pools (vm);
1059 clib_error_report (error);
1064 u32 idx = ipsec_register_esp_backend (
1065 vm, im, "dpdk backend", "dpdk-esp4-encrypt", "dpdk-esp4-encrypt-tun",
1066 "dpdk-esp4-decrypt", "dpdk-esp4-decrypt", "dpdk-esp6-encrypt",
1067 "dpdk-esp6-encrypt-tun", "dpdk-esp6-decrypt", "dpdk-esp6-decrypt",
1068 "error-drop", dpdk_ipsec_check_support, add_del_sa_session,
1069 dpdk_ipsec_enable_disable);
1071 if (im->esp_current_backend == ~0)
1073 rv = ipsec_select_esp_backend (im, idx);
1079 VLIB_MAIN_LOOP_ENTER_FUNCTION (dpdk_ipsec_main_init);
1082 * fd.io coding-style-patch-verification: ON
1085 * eval: (c-set-style "gnu")