+++ /dev/null
-/*
- * Copyright (c) 2017 Intel and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/api_errno.h>
-#include <vnet/ipsec/ipsec.h>
-#include <vlib/node_funcs.h>
-#include <vlib/log.h>
-
-#include <dpdk/device/dpdk.h>
-#include <dpdk/buffer.h>
-#include <dpdk/ipsec/ipsec.h>
-
-dpdk_crypto_main_t dpdk_crypto_main;
-
-#define EMPTY_STRUCT {0}
-#define NUM_CRYPTO_MBUFS 16384
-
-static void
-algos_init (u32 n_mains)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_alg_t *a;
-
- vec_validate_aligned (dcm->cipher_algs, IPSEC_CRYPTO_N_ALG - 1, 8);
-
- {
-#define _(v,f,str) \
- dcm->cipher_algs[IPSEC_CRYPTO_ALG_##f].name = str; \
- dcm->cipher_algs[IPSEC_CRYPTO_ALG_##f].disabled = n_mains;
- foreach_ipsec_crypto_alg
-#undef _
- }
-
- /* Minimum boundary for ciphers is 4B, required by ESP */
- a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_NONE];
- a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
- a->alg = RTE_CRYPTO_CIPHER_NULL;
- a->boundary = 4; /* 1 */
- a->key_len = 0;
- a->iv_len = 0;
-
- a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_128];
- a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
- a->alg = RTE_CRYPTO_CIPHER_AES_CBC;
- a->boundary = 16;
- a->key_len = 16;
- a->iv_len = 16;
-
- a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_192];
- a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
- a->alg = RTE_CRYPTO_CIPHER_AES_CBC;
- a->boundary = 16;
- a->key_len = 24;
- a->iv_len = 16;
-
- a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CBC_256];
- a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
- a->alg = RTE_CRYPTO_CIPHER_AES_CBC;
- a->boundary = 16;
- a->key_len = 32;
- a->iv_len = 16;
-
- a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_128];
- a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
- a->alg = RTE_CRYPTO_CIPHER_AES_CTR;
- a->boundary = 4; /* 1 */
- a->key_len = 16;
- a->iv_len = 8;
-
- a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_192];
- a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
- a->alg = RTE_CRYPTO_CIPHER_AES_CTR;
- a->boundary = 4; /* 1 */
- a->key_len = 24;
- a->iv_len = 8;
-
- a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_CTR_256];
- a->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
- a->alg = RTE_CRYPTO_CIPHER_AES_CTR;
- a->boundary = 4; /* 1 */
- a->key_len = 32;
- a->iv_len = 8;
-
-#define AES_GCM_TYPE RTE_CRYPTO_SYM_XFORM_AEAD
-#define AES_GCM_ALG RTE_CRYPTO_AEAD_AES_GCM
-
- a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_128];
- a->type = AES_GCM_TYPE;
- a->alg = AES_GCM_ALG;
- a->boundary = 4; /* 1 */
- a->key_len = 16;
- a->iv_len = 8;
- a->trunc_size = 16;
-
- a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_192];
- a->type = AES_GCM_TYPE;
- a->alg = AES_GCM_ALG;
- a->boundary = 4; /* 1 */
- a->key_len = 24;
- a->iv_len = 8;
- a->trunc_size = 16;
-
- a = &dcm->cipher_algs[IPSEC_CRYPTO_ALG_AES_GCM_256];
- a->type = AES_GCM_TYPE;
- a->alg = AES_GCM_ALG;
- a->boundary = 4; /* 1 */
- a->key_len = 32;
- a->iv_len = 8;
- a->trunc_size = 16;
-
- vec_validate (dcm->auth_algs, IPSEC_INTEG_N_ALG - 1);
-
- {
-#define _(v,f,str) \
- dcm->auth_algs[IPSEC_INTEG_ALG_##f].name = str; \
- dcm->auth_algs[IPSEC_INTEG_ALG_##f].disabled = n_mains;
- foreach_ipsec_integ_alg
-#undef _
- }
-
- a = &dcm->auth_algs[IPSEC_INTEG_ALG_NONE];
- a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
- a->alg = RTE_CRYPTO_AUTH_NULL;
- a->key_len = 0;
- a->trunc_size = 0;
-
- a = &dcm->auth_algs[IPSEC_INTEG_ALG_MD5_96];
- a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
- a->alg = RTE_CRYPTO_AUTH_MD5_HMAC;
- a->key_len = 16;
- a->trunc_size = 12;
-
- a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA1_96];
- a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
- a->alg = RTE_CRYPTO_AUTH_SHA1_HMAC;
- a->key_len = 20;
- a->trunc_size = 12;
-
- a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_256_96];
- a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
- a->alg = RTE_CRYPTO_AUTH_SHA256_HMAC;
- a->key_len = 32;
- a->trunc_size = 12;
-
- a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_256_128];
- a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
- a->alg = RTE_CRYPTO_AUTH_SHA256_HMAC;
- a->key_len = 32;
- a->trunc_size = 16;
-
- a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_384_192];
- a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
- a->alg = RTE_CRYPTO_AUTH_SHA384_HMAC;
- a->key_len = 48;
- a->trunc_size = 24;
-
- a = &dcm->auth_algs[IPSEC_INTEG_ALG_SHA_512_256];
- a->type = RTE_CRYPTO_SYM_XFORM_AUTH;
- a->alg = RTE_CRYPTO_AUTH_SHA512_HMAC;
- a->key_len = 64;
- a->trunc_size = 32;
-}
-
-static u8
-cipher_alg_index (const crypto_alg_t * alg)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
-
- return (alg - dcm->cipher_algs);
-}
-
-static u8
-auth_alg_index (const crypto_alg_t * alg)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
-
- return (alg - dcm->auth_algs);
-}
-
-static crypto_alg_t *
-cipher_cap_to_alg (const struct rte_cryptodev_capabilities *cap, u8 key_len)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_alg_t *alg;
-
- if (cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
- return NULL;
-
- /* *INDENT-OFF* */
- vec_foreach (alg, dcm->cipher_algs)
- {
- if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) &&
- (alg->type == RTE_CRYPTO_SYM_XFORM_CIPHER) &&
- (cap->sym.cipher.algo == alg->alg) &&
- (alg->key_len == key_len))
- return alg;
- if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) &&
- (alg->type == RTE_CRYPTO_SYM_XFORM_AEAD) &&
- (cap->sym.aead.algo == alg->alg) &&
- (alg->key_len == key_len))
- return alg;
- }
- /* *INDENT-ON* */
-
- return NULL;
-}
-
-static crypto_alg_t *
-auth_cap_to_alg (const struct rte_cryptodev_capabilities *cap, u8 trunc_size)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_alg_t *alg;
-
- if ((cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) ||
- (cap->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH))
- return NULL;
-
- /* *INDENT-OFF* */
- vec_foreach (alg, dcm->auth_algs)
- {
- if ((cap->sym.auth.algo == alg->alg) &&
- (alg->trunc_size == trunc_size))
- return alg;
- }
- /* *INDENT-ON* */
-
- return NULL;
-}
-
-static void
-crypto_set_aead_xform (struct rte_crypto_sym_xform *xform,
- ipsec_sa_t * sa, u8 is_outbound)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_alg_t *c;
-
- c = vec_elt_at_index (dcm->cipher_algs, sa->crypto_alg);
-
- ASSERT (c->type == RTE_CRYPTO_SYM_XFORM_AEAD);
-
- xform->type = RTE_CRYPTO_SYM_XFORM_AEAD;
- xform->aead.algo = c->alg;
- xform->aead.key.data = sa->crypto_key.data;
- xform->aead.key.length = c->key_len;
- xform->aead.iv.offset =
- crypto_op_get_priv_offset () + offsetof (dpdk_op_priv_t, cb);
- xform->aead.iv.length = 12;
- xform->aead.digest_length = c->trunc_size;
- xform->aead.aad_length = ipsec_sa_is_set_USE_ESN (sa) ? 12 : 8;
- xform->next = NULL;
-
- if (is_outbound)
- xform->aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
- else
- xform->aead.op = RTE_CRYPTO_AEAD_OP_DECRYPT;
-}
-
-static void
-crypto_set_cipher_xform (struct rte_crypto_sym_xform *xform,
- ipsec_sa_t * sa, u8 is_outbound)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_alg_t *c;
-
- c = vec_elt_at_index (dcm->cipher_algs, sa->crypto_alg);
-
- ASSERT (c->type == RTE_CRYPTO_SYM_XFORM_CIPHER);
-
- xform->type = RTE_CRYPTO_SYM_XFORM_CIPHER;
- xform->cipher.algo = c->alg;
- xform->cipher.key.data = sa->crypto_key.data;
- xform->cipher.key.length = c->key_len;
- xform->cipher.iv.offset =
- crypto_op_get_priv_offset () + offsetof (dpdk_op_priv_t, cb);
- xform->cipher.iv.length = c->iv_len;
- xform->next = NULL;
-
- if (is_outbound)
- xform->cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
- else
- xform->cipher.op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
-}
-
-static void
-crypto_set_auth_xform (struct rte_crypto_sym_xform *xform,
- ipsec_sa_t * sa, u8 is_outbound)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_alg_t *a;
-
- a = vec_elt_at_index (dcm->auth_algs, sa->integ_alg);
-
- ASSERT (a->type == RTE_CRYPTO_SYM_XFORM_AUTH);
-
- xform->type = RTE_CRYPTO_SYM_XFORM_AUTH;
- xform->auth.algo = a->alg;
- xform->auth.key.data = sa->integ_key.data;
- xform->auth.key.length = a->key_len;
- xform->auth.digest_length = a->trunc_size;
- xform->next = NULL;
-
- if (is_outbound)
- xform->auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
- else
- xform->auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
-}
-
-clib_error_t *
-create_sym_session (struct rte_cryptodev_sym_session **session,
- u32 sa_idx,
- crypto_resource_t * res,
- crypto_worker_main_t * cwm, u8 is_outbound)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_data_t *data;
- ipsec_sa_t *sa;
- struct rte_crypto_sym_xform cipher_xform = { 0 };
- struct rte_crypto_sym_xform auth_xform = { 0 };
- struct rte_crypto_sym_xform *xfs;
- struct rte_cryptodev_sym_session **s;
- clib_error_t *error = 0;
-
- sa = ipsec_sa_get (sa_idx);
-
- if ((sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128) |
- (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_192) |
- (sa->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_256))
- {
- crypto_set_aead_xform (&cipher_xform, sa, is_outbound);
- xfs = &cipher_xform;
- }
- else
- {
- crypto_set_cipher_xform (&cipher_xform, sa, is_outbound);
- crypto_set_auth_xform (&auth_xform, sa, is_outbound);
-
- if (is_outbound)
- {
- cipher_xform.next = &auth_xform;
- xfs = &cipher_xform;
- }
- else
- {
- auth_xform.next = &cipher_xform;
- xfs = &auth_xform;
- }
- }
-
- data = vec_elt_at_index (dcm->data, res->numa);
- clib_spinlock_lock_if_init (&data->lockp);
-
- /*
- * DPDK_VER >= 1708:
- * Multiple worker/threads share the session for an SA
- * Single session per SA, initialized for each device driver
- */
- s = (void *) hash_get (data->session_by_sa_index, sa_idx);
-
- if (!s)
- {
- session[0] = rte_cryptodev_sym_session_create (data->session_h);
- if (!session[0])
- {
- data->session_h_failed += 1;
- error = clib_error_return (0, "failed to create session header");
- goto done;
- }
- hash_set (data->session_by_sa_index, sa_idx, session[0]);
- }
- else
- session[0] = s[0];
-
- struct rte_mempool **mp;
- mp = vec_elt_at_index (data->session_drv, res->drv_id);
- ASSERT (mp[0] != NULL);
-
- i32 ret =
- rte_cryptodev_sym_session_init (res->dev_id, session[0], xfs, mp[0]);
- if (ret)
- {
- data->session_drv_failed[res->drv_id] += 1;
- error = clib_error_return (0, "failed to init session for drv %u",
- res->drv_id);
- goto done;
- }
-
- add_session_by_drv_and_sa_idx (session[0], data, res->drv_id, sa_idx);
-
-done:
- clib_spinlock_unlock_if_init (&data->lockp);
- return error;
-}
-
-static void __attribute__ ((unused)) clear_and_free_obj (void *obj)
-{
- struct rte_mempool *mp = rte_mempool_from_obj (obj);
-
- clib_memset (obj, 0, mp->elt_size);
-
- rte_mempool_put (mp, obj);
-}
-
-/* This is from rte_cryptodev_pmd.h */
-static inline void *
-get_session_private_data (const struct rte_cryptodev_sym_session *sess,
- uint8_t driver_id)
-{
-#if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
- return sess->sess_private_data[driver_id];
-#else
- if (unlikely (sess->nb_drivers <= driver_id))
- return 0;
-
- return sess->sess_data[driver_id].data;
-#endif
-}
-
-/* This is from rte_cryptodev_pmd.h */
-static inline void
-set_session_private_data (struct rte_cryptodev_sym_session *sess,
- uint8_t driver_id, void *private_data)
-{
-#if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
- sess->sess_private_data[driver_id] = private_data;
-#else
- if (unlikely (sess->nb_drivers <= driver_id))
- return;
- sess->sess_data[driver_id].data = private_data;
-#endif
-}
-
-static clib_error_t *
-dpdk_crypto_session_disposal (crypto_session_disposal_t * v, u64 ts)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_session_disposal_t *s;
- void *drv_session;
- u32 drv_id;
- i32 ret;
-
- /* *INDENT-OFF* */
- vec_foreach (s, v)
- {
- /* ordered vector by timestamp */
- if (!(s->ts + dcm->session_timeout < ts))
- break;
-
- vec_foreach_index (drv_id, dcm->drv)
- {
- drv_session = get_session_private_data (s->session, drv_id);
- if (!drv_session)
- continue;
-
- /*
- * Custom clear to avoid finding a dev_id for drv_id:
- * ret = rte_cryptodev_sym_session_clear (dev_id, drv_session);
- * ASSERT (!ret);
- */
- clear_and_free_obj (drv_session);
-
- set_session_private_data (s->session, drv_id, NULL);
- }
-
- if (rte_mempool_from_obj(s->session))
- {
- ret = rte_cryptodev_sym_session_free (s->session);
- ASSERT (!ret);
- }
- }
- /* *INDENT-ON* */
-
- if (s < vec_end (v))
- vec_delete (v, s - v, 0);
- else
- vec_reset_length (v);
-
- return 0;
-}
-
-static clib_error_t *
-add_del_sa_session (u32 sa_index, u8 is_add)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_data_t *data;
- struct rte_cryptodev_sym_session *s;
- uword *val;
- u32 drv_id;
-
- if (is_add)
- return 0;
-
- /* *INDENT-OFF* */
- vec_foreach (data, dcm->data)
- {
- clib_spinlock_lock_if_init (&data->lockp);
- val = hash_get (data->session_by_sa_index, sa_index);
- if (val)
- {
- s = (struct rte_cryptodev_sym_session *) val[0];
- vec_foreach_index (drv_id, dcm->drv)
- {
- val = (uword*) get_session_by_drv_and_sa_idx (data, drv_id, sa_index);
- if (val)
- add_session_by_drv_and_sa_idx(NULL, data, drv_id, sa_index);
- }
-
- hash_unset (data->session_by_sa_index, sa_index);
-
- u64 ts = unix_time_now_nsec ();
- dpdk_crypto_session_disposal (data->session_disposal, ts);
-
- crypto_session_disposal_t sd;
- sd.ts = ts;
- sd.session = s;
-
- vec_add1 (data->session_disposal, sd);
- }
- clib_spinlock_unlock_if_init (&data->lockp);
- }
- /* *INDENT-ON* */
-
- return 0;
-}
-
-static clib_error_t *
-dpdk_ipsec_check_support (ipsec_sa_t * sa)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
-
- if (sa->integ_alg == IPSEC_INTEG_ALG_NONE)
- switch (sa->crypto_alg)
- {
- case IPSEC_CRYPTO_ALG_NONE:
- case IPSEC_CRYPTO_ALG_AES_GCM_128:
- case IPSEC_CRYPTO_ALG_AES_GCM_192:
- case IPSEC_CRYPTO_ALG_AES_GCM_256:
- break;
- default:
- return clib_error_return (0, "unsupported integ-alg %U crypto-alg %U",
- format_ipsec_integ_alg, sa->integ_alg,
- format_ipsec_crypto_alg, sa->crypto_alg);
- }
-
- /* XXX do we need the NONE check? */
- if (sa->crypto_alg != IPSEC_CRYPTO_ALG_NONE &&
- dcm->cipher_algs[sa->crypto_alg].disabled)
- return clib_error_return (0, "disabled crypto-alg %U",
- format_ipsec_crypto_alg, sa->crypto_alg);
-
- /* XXX do we need the NONE check? */
- if (sa->integ_alg != IPSEC_INTEG_ALG_NONE &&
- dcm->auth_algs[sa->integ_alg].disabled)
- return clib_error_return (0, "disabled integ-alg %U",
- format_ipsec_integ_alg, sa->integ_alg);
- return NULL;
-}
-
-static void
-crypto_parse_capabilities (crypto_dev_t * dev,
- const struct rte_cryptodev_capabilities *cap,
- u32 n_mains)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_alg_t *alg;
- u8 len, inc;
-
- for (; cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; cap++)
- {
- /* A single capability maps to multiple cipher/auth algorithms */
- switch (cap->sym.xform_type)
- {
- case RTE_CRYPTO_SYM_XFORM_AEAD:
- case RTE_CRYPTO_SYM_XFORM_CIPHER:
- inc = cap->sym.cipher.key_size.increment;
- inc = inc ? inc : 1;
- for (len = cap->sym.cipher.key_size.min;
- len <= cap->sym.cipher.key_size.max; len += inc)
- {
- alg = cipher_cap_to_alg (cap, len);
- if (!alg)
- continue;
- dev->cipher_support[cipher_alg_index (alg)] = 1;
- alg->resources += vec_len (dev->free_resources);
- /* At least enough resources to support one algo */
- dcm->enabled |= (alg->resources >= n_mains);
- }
- break;
- case RTE_CRYPTO_SYM_XFORM_AUTH:
- inc = cap->sym.auth.digest_size.increment;
- inc = inc ? inc : 1;
- for (len = cap->sym.auth.digest_size.min;
- len <= cap->sym.auth.digest_size.max; len += inc)
- {
- alg = auth_cap_to_alg (cap, len);
- if (!alg)
- continue;
- dev->auth_support[auth_alg_index (alg)] = 1;
- alg->resources += vec_len (dev->free_resources);
- /* At least enough resources to support one algo */
- dcm->enabled |= (alg->resources >= n_mains);
- }
- break;
- default:
- ;
- }
- }
-}
-
-static clib_error_t *
-crypto_dev_conf (u8 dev, u16 n_qp, u8 numa)
-{
- struct rte_cryptodev_config dev_conf = { 0 };
- struct rte_cryptodev_qp_conf qp_conf = { 0 };
- i32 ret;
- u16 qp;
- char *error_str;
-
- dev_conf.socket_id = numa;
- dev_conf.nb_queue_pairs = n_qp;
-
- error_str = "failed to configure crypto device %u";
- ret = rte_cryptodev_configure (dev, &dev_conf);
- if (ret < 0)
- return clib_error_return (0, error_str, dev);
-
- error_str = "failed to setup crypto device %u queue pair %u";
- qp_conf.nb_descriptors = DPDK_CRYPTO_N_QUEUE_DESC;
- for (qp = 0; qp < n_qp; qp++)
- {
-#if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
- ret = rte_cryptodev_queue_pair_setup (dev, qp, &qp_conf, numa, NULL);
-#else
- ret = rte_cryptodev_queue_pair_setup (dev, qp, &qp_conf, numa);
-#endif
- if (ret < 0)
- return clib_error_return (0, error_str, dev, qp);
- }
-
- error_str = "failed to start crypto device %u";
- if (rte_cryptodev_start (dev))
- return clib_error_return (0, error_str, dev);
-
- return 0;
-}
-
-static void
-crypto_scan_devs (u32 n_mains)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- struct rte_cryptodev *cryptodev;
- struct rte_cryptodev_info info = { 0 };
- crypto_dev_t *dev;
- crypto_resource_t *res;
- clib_error_t *error;
- u32 i;
- u16 max_res_idx, res_idx, j;
- u8 drv_id;
-
- vec_validate_init_empty (dcm->dev, rte_cryptodev_count () - 1,
- (crypto_dev_t) EMPTY_STRUCT);
-
- for (i = 0; i < rte_cryptodev_count (); i++)
- {
- dev = vec_elt_at_index (dcm->dev, i);
-
- cryptodev = &rte_cryptodevs[i];
- rte_cryptodev_info_get (i, &info);
-
- dev->id = i;
- dev->name = cryptodev->data->name;
- dev->numa = rte_cryptodev_socket_id (i);
- dev->features = info.feature_flags;
- dev->max_qp = info.max_nb_queue_pairs;
- drv_id = info.driver_id;
- if (drv_id >= vec_len (dcm->drv))
- vec_validate_init_empty (dcm->drv, drv_id,
- (crypto_drv_t) EMPTY_STRUCT);
- vec_elt_at_index (dcm->drv, drv_id)->name = info.driver_name;
- dev->drv_id = drv_id;
- vec_add1 (vec_elt_at_index (dcm->drv, drv_id)->devs, i);
-
- if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING))
- continue;
-
- if ((error = crypto_dev_conf (i, dev->max_qp, dev->numa)))
- {
- clib_error_report (error);
- continue;
- }
-
- max_res_idx = dev->max_qp - 1;
-
- vec_validate (dev->free_resources, max_res_idx);
-
- res_idx = vec_len (dcm->resource);
- vec_validate_init_empty_aligned (dcm->resource, res_idx + max_res_idx,
- (crypto_resource_t) EMPTY_STRUCT,
- CLIB_CACHE_LINE_BYTES);
-
- for (j = 0; j <= max_res_idx; j++)
- {
- vec_elt (dev->free_resources, max_res_idx - j) = res_idx + j;
- res = &dcm->resource[res_idx + j];
- res->dev_id = i;
- res->drv_id = drv_id;
- res->qp_id = j;
- res->numa = dev->numa;
- res->thread_idx = (u16) ~ 0;
- }
-
- crypto_parse_capabilities (dev, info.capabilities, n_mains);
- }
-}
-
-void
-crypto_auto_placement (void)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_resource_t *res;
- crypto_worker_main_t *cwm;
- crypto_dev_t *dev;
- u32 thread_idx, skip_master;
- u16 res_idx, *idx;
- u8 used;
- u16 i;
-
- skip_master = vlib_num_workers () > 0;
-
- /* *INDENT-OFF* */
- vec_foreach (dev, dcm->dev)
- {
- vec_foreach_index (thread_idx, dcm->workers_main)
- {
- if (vec_len (dev->free_resources) == 0)
- break;
-
- if (thread_idx < skip_master)
- continue;
-
- /* Check thread is not already using the device */
- vec_foreach (idx, dev->used_resources)
- if (dcm->resource[idx[0]].thread_idx == thread_idx)
- continue;
-
- cwm = vec_elt_at_index (dcm->workers_main, thread_idx);
-
- used = 0;
- res_idx = vec_pop (dev->free_resources);
-
- /* Set device only for supported algos */
- for (i = 0; i < IPSEC_CRYPTO_N_ALG; i++)
- if (dev->cipher_support[i] &&
- cwm->cipher_resource_idx[i] == (u16) ~0)
- {
- dcm->cipher_algs[i].disabled--;
- cwm->cipher_resource_idx[i] = res_idx;
- used = 1;
- }
-
- for (i = 0; i < IPSEC_INTEG_N_ALG; i++)
- if (dev->auth_support[i] &&
- cwm->auth_resource_idx[i] == (u16) ~0)
- {
- dcm->auth_algs[i].disabled--;
- cwm->auth_resource_idx[i] = res_idx;
- used = 1;
- }
-
- if (!used)
- {
- vec_add1 (dev->free_resources, res_idx);
- continue;
- }
-
- vec_add1 (dev->used_resources, res_idx);
-
- res = vec_elt_at_index (dcm->resource, res_idx);
-
- ASSERT (res->thread_idx == (u16) ~0);
- res->thread_idx = thread_idx;
-
- /* Add device to vector of polling resources */
- vec_add1 (cwm->resource_idx, res_idx);
- }
- }
- /* *INDENT-ON* */
-}
-
-static void
-crypto_op_init (struct rte_mempool *mempool,
- void *_arg __attribute__ ((unused)),
- void *_obj, unsigned i __attribute__ ((unused)))
-{
- struct rte_crypto_op *op = _obj;
-
- op->sess_type = RTE_CRYPTO_OP_WITH_SESSION;
- op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
- op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
- op->phys_addr = rte_mempool_virt2iova (_obj);
- op->mempool = mempool;
-}
-
-static clib_error_t *
-crypto_create_crypto_op_pool (vlib_main_t * vm, u8 numa)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- dpdk_config_main_t *conf = &dpdk_config_main;
- crypto_data_t *data;
- u8 *pool_name;
- u32 pool_priv_size = sizeof (struct rte_crypto_op_pool_private);
- struct rte_crypto_op_pool_private *priv;
- struct rte_mempool *mp;
-
- data = vec_elt_at_index (dcm->data, numa);
-
- /* Already allocated */
- if (data->crypto_op)
- return NULL;
-
- pool_name = format (0, "crypto_pool_numa%u%c", numa, 0);
-
- if (conf->num_crypto_mbufs == 0)
- conf->num_crypto_mbufs = NUM_CRYPTO_MBUFS;
-
- mp = rte_mempool_create ((char *) pool_name, conf->num_crypto_mbufs,
- crypto_op_len (), 512, pool_priv_size, NULL, NULL,
- crypto_op_init, NULL, numa, 0);
-
- vec_free (pool_name);
-
- if (!mp)
- return clib_error_return (0, "failed to create crypto op mempool");
-
- /* Initialize mempool private data */
- priv = rte_mempool_get_priv (mp);
- priv->priv_size = pool_priv_size;
- priv->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
-
- data->crypto_op = mp;
-
- return NULL;
-}
-
-static clib_error_t *
-crypto_create_session_h_pool (vlib_main_t * vm, u8 numa)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_data_t *data;
- u8 *pool_name;
- struct rte_mempool *mp;
- u32 elt_size;
-
- data = vec_elt_at_index (dcm->data, numa);
-
- if (data->session_h)
- return NULL;
-
- pool_name = format (0, "session_h_pool_numa%u%c", numa, 0);
-
-
- elt_size = rte_cryptodev_sym_get_header_session_size ();
-
-#if RTE_VERSION < RTE_VERSION_NUM(19, 2, 0, 0)
- mp = rte_mempool_create ((char *) pool_name, DPDK_CRYPTO_NB_SESS_OBJS,
- elt_size, 512, 0, NULL, NULL, NULL, NULL, numa, 0);
-#else
- /* XXX Experimental tag in DPDK 19.02 */
- mp = rte_cryptodev_sym_session_pool_create ((char *) pool_name,
- DPDK_CRYPTO_NB_SESS_OBJS,
- elt_size, 512, 0, numa);
-#endif
- vec_free (pool_name);
-
- if (!mp)
- return clib_error_return (0, "failed to create crypto session mempool");
-
- data->session_h = mp;
-
- return NULL;
-}
-
-static clib_error_t *
-crypto_create_session_drv_pool (vlib_main_t * vm, crypto_dev_t * dev)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_data_t *data;
- u8 *pool_name;
- struct rte_mempool *mp;
- u32 elt_size;
- u8 numa = dev->numa;
-
- data = vec_elt_at_index (dcm->data, numa);
-
- vec_validate (data->session_drv, dev->drv_id);
- vec_validate (data->session_drv_failed, dev->drv_id);
- vec_validate_aligned (data->session_by_drv_id_and_sa_index, 32,
- CLIB_CACHE_LINE_BYTES);
-
- if (data->session_drv[dev->drv_id])
- return NULL;
-
- pool_name = format (0, "session_drv%u_pool_numa%u%c", dev->drv_id, numa, 0);
-
- elt_size = rte_cryptodev_sym_get_private_session_size (dev->id);
- mp =
- rte_mempool_create ((char *) pool_name, DPDK_CRYPTO_NB_SESS_OBJS,
- elt_size, 512, 0, NULL, NULL, NULL, NULL, numa, 0);
-
- vec_free (pool_name);
-
- if (!mp)
- return clib_error_return (0, "failed to create session drv mempool");
-
- data->session_drv[dev->drv_id] = mp;
- clib_spinlock_init (&data->lockp);
-
- return NULL;
-}
-
-static clib_error_t *
-crypto_create_pools (vlib_main_t * vm)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- clib_error_t *error = NULL;
- crypto_dev_t *dev;
-
- /* *INDENT-OFF* */
- vec_foreach (dev, dcm->dev)
- {
- vec_validate_aligned (dcm->data, dev->numa, CLIB_CACHE_LINE_BYTES);
-
- error = crypto_create_crypto_op_pool (vm, dev->numa);
- if (error)
- return error;
-
- error = crypto_create_session_h_pool (vm, dev->numa);
- if (error)
- return error;
-
- error = crypto_create_session_drv_pool (vm, dev);
- if (error)
- return error;
- }
- /* *INDENT-ON* */
-
- return NULL;
-}
-
-static void
-crypto_disable (void)
-{
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- crypto_data_t *data;
- u8 i;
-
- dcm->enabled = 0;
-
- /* *INDENT-OFF* */
- vec_foreach (data, dcm->data)
- {
- rte_mempool_free (data->crypto_op);
- rte_mempool_free (data->session_h);
-
- vec_foreach_index (i, data->session_drv)
- rte_mempool_free (data->session_drv[i]);
-
- vec_free (data->session_drv);
- clib_spinlock_free (&data->lockp);
- }
- /* *INDENT-ON* */
-
- vec_free (dcm->data);
- vec_free (dcm->workers_main);
- vec_free (dcm->dev);
- vec_free (dcm->resource);
- vec_free (dcm->cipher_algs);
- vec_free (dcm->auth_algs);
-}
-
-static clib_error_t *
-dpdk_ipsec_enable_disable (int is_enable)
-{
- vlib_main_t *vm = vlib_get_main ();
- vlib_thread_main_t *tm = vlib_get_thread_main ();
- vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "dpdk-crypto-input");
- u32 skip_master = vlib_num_workers () > 0;
- u32 n_mains = tm->n_vlib_mains;
- u32 i;
-
- ASSERT (node);
- for (i = skip_master; i < n_mains; i++)
- vlib_node_set_state (vlib_mains[i], node->index, is_enable != 0 ?
- VLIB_NODE_STATE_POLLING : VLIB_NODE_STATE_DISABLED);
-
- return 0;
-}
-
-static clib_error_t *
-dpdk_ipsec_main_init (vlib_main_t * vm)
-{
- ipsec_main_t *im = &ipsec_main;
- dpdk_crypto_main_t *dcm = &dpdk_crypto_main;
- vlib_thread_main_t *tm = vlib_get_thread_main ();
- crypto_worker_main_t *cwm;
- clib_error_t *error = NULL;
- u32 skip_master, n_mains;
-
- n_mains = tm->n_vlib_mains;
- skip_master = vlib_num_workers () > 0;
-
- algos_init (n_mains - skip_master);
-
- crypto_scan_devs (n_mains - skip_master);
-
- if (!(dcm->enabled))
- {
- vlib_log_warn (dpdk_main.log_default,
- "not enough DPDK crypto resources");
- crypto_disable ();
- return 0;
- }
-
- dcm->session_timeout = 10e9;
-
- vec_validate_init_empty_aligned (dcm->workers_main, n_mains - 1,
- (crypto_worker_main_t) EMPTY_STRUCT,
- CLIB_CACHE_LINE_BYTES);
-
- /* *INDENT-OFF* */
- vec_foreach (cwm, dcm->workers_main)
- {
- vec_validate_init_empty_aligned (cwm->ops, VLIB_FRAME_SIZE - 1, 0,
- CLIB_CACHE_LINE_BYTES);
- clib_memset (cwm->cipher_resource_idx, ~0,
- IPSEC_CRYPTO_N_ALG * sizeof(*cwm->cipher_resource_idx));
- clib_memset (cwm->auth_resource_idx, ~0,
- IPSEC_INTEG_N_ALG * sizeof(*cwm->auth_resource_idx));
- }
- /* *INDENT-ON* */
-
- crypto_auto_placement ();
-
- error = crypto_create_pools (vm);
- if (error)
- {
- clib_error_report (error);
- crypto_disable ();
- return 0;
- }
-
- u32 idx = ipsec_register_esp_backend (
- vm, im, "dpdk backend", "dpdk-esp4-encrypt", "dpdk-esp4-encrypt-tun",
- "dpdk-esp4-decrypt", "dpdk-esp4-decrypt", "dpdk-esp6-encrypt",
- "dpdk-esp6-encrypt-tun", "dpdk-esp6-decrypt", "dpdk-esp6-decrypt",
- "error-drop", dpdk_ipsec_check_support, add_del_sa_session,
- dpdk_ipsec_enable_disable);
- int rv;
- if (im->esp_current_backend == ~0)
- {
- rv = ipsec_select_esp_backend (im, idx);
- ASSERT (rv == 0);
- }
- return 0;
-}
-
-VLIB_MAIN_LOOP_ENTER_FUNCTION (dpdk_ipsec_main_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff