diff options
Diffstat (limited to 'vpp/vnet/vnet/devices/dpdk/ipsec/ipsec.h')
| -rw-r--r-- | vpp/vnet/vnet/devices/dpdk/ipsec/ipsec.h | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/vpp/vnet/vnet/devices/dpdk/ipsec/ipsec.h b/vpp/vnet/vnet/devices/dpdk/ipsec/ipsec.h new file mode 100644 index 00000000..e6c7498c --- /dev/null +++ b/vpp/vnet/vnet/devices/dpdk/ipsec/ipsec.h @@ -0,0 +1,227 @@ +/* + * Copyright (c) 2016 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. + */ +#ifndef __DPDK_IPSEC_H__ +#define __DPDK_IPSEC_H__ + +#include <vnet/vnet.h> + +#undef always_inline +#include <rte_crypto.h> +#include <rte_cryptodev.h> + +#if CLIB_DEBUG > 0 +#define always_inline static inline +#else +#define always_inline static inline __attribute__ ((__always_inline__)) +#endif + + +#define MAX_QP_PER_LCORE 16 + +typedef struct +{ + u32 salt; + u32 iv[2]; + u32 cnt; +} dpdk_gcm_cnt_blk; + +typedef struct +{ + dpdk_gcm_cnt_blk cb; + union + { + u8 aad[12]; + u8 icv[64]; + }; +} dpdk_cop_priv_t; + +typedef struct +{ + u8 cipher_algo; + u8 auth_algo; + u8 is_outbound; +} crypto_worker_qp_key_t; + +typedef struct +{ + u16 dev_id; + u16 qp_id; + u16 is_outbound; + i16 inflights; + u32 bi[VLIB_FRAME_SIZE]; + struct rte_crypto_op *cops[VLIB_FRAME_SIZE]; + struct rte_crypto_op **free_cops; +} crypto_qp_data_t; + +typedef struct +{ + u8 qp_index; + void *sess; +} crypto_sa_session_t; + +typedef struct +{ + crypto_sa_session_t *sa_sess_d[2]; + crypto_qp_data_t *qp_data; + uword *algo_qp_map; +} crypto_worker_main_t; + +typedef struct +{ + struct rte_mempool **cop_pools; + crypto_worker_main_t *workers_main; +} dpdk_crypto_main_t; + +dpdk_crypto_main_t dpdk_crypto_main; + +extern vlib_node_registration_t dpdk_crypto_input_node; + +#define CRYPTO_N_FREE_COPS (VLIB_FRAME_SIZE * 3) + +static_always_inline void +crypto_alloc_cops () +{ + dpdk_crypto_main_t *dcm = &dpdk_crypto_main; + u32 cpu_index = os_get_cpu_number (); + crypto_worker_main_t *cwm = &dcm->workers_main[cpu_index]; + unsigned socket_id = rte_socket_id (); + crypto_qp_data_t *qpd; + + /* *INDENT-OFF* */ + vec_foreach (qpd, cwm->qp_data) + { + u32 l = vec_len (qpd->free_cops); + + if (PREDICT_FALSE (l < VLIB_FRAME_SIZE)) + { + u32 n_alloc; + + if (PREDICT_FALSE (!qpd->free_cops)) + vec_alloc (qpd->free_cops, CRYPTO_N_FREE_COPS); + + n_alloc = rte_crypto_op_bulk_alloc (dcm->cop_pools[socket_id], + RTE_CRYPTO_OP_TYPE_SYMMETRIC, + &qpd->free_cops[l], + CRYPTO_N_FREE_COPS - l - 1); + + _vec_len (qpd->free_cops) = l + n_alloc; + } + } + /* *INDENT-ON* */ +} + +static_always_inline void +crypto_free_cop (crypto_qp_data_t * qpd, struct rte_crypto_op **cops, u32 n) +{ + u32 l = vec_len (qpd->free_cops); + + if (l + n >= CRYPTO_N_FREE_COPS) + { + l -= VLIB_FRAME_SIZE; + rte_mempool_put_bulk (cops[0]->mempool, + (void **) &qpd->free_cops[l], VLIB_FRAME_SIZE); + } + clib_memcpy (&qpd->free_cops[l], cops, sizeof (*cops) * n); + + _vec_len (qpd->free_cops) = l + n; +} + +static_always_inline int +check_algo_is_supported (const struct rte_cryptodev_capabilities *cap, + char *name) +{ + struct + { + uint8_t cipher_algo; + enum rte_crypto_sym_xform_type type; + union + { + enum rte_crypto_auth_algorithm auth; + enum rte_crypto_cipher_algorithm cipher; + }; + char *name; + } supported_algo[] = + { + { + .type = RTE_CRYPTO_SYM_XFORM_CIPHER,.cipher = + RTE_CRYPTO_CIPHER_NULL,.name = "NULL"}, + { + .type = RTE_CRYPTO_SYM_XFORM_CIPHER,.cipher = + RTE_CRYPTO_CIPHER_AES_CBC,.name = "AES_CBC"}, + { + .type = RTE_CRYPTO_SYM_XFORM_CIPHER,.cipher = + RTE_CRYPTO_CIPHER_AES_CTR,.name = "AES_CTR"}, + { + .type = RTE_CRYPTO_SYM_XFORM_CIPHER,.cipher = + RTE_CRYPTO_CIPHER_3DES_CBC,.name = "3DES-CBC"}, + { + .type = RTE_CRYPTO_SYM_XFORM_CIPHER,.auth = + RTE_CRYPTO_CIPHER_AES_GCM,.name = "AES-GCM"}, + { + .type = RTE_CRYPTO_SYM_XFORM_AUTH,.auth = + RTE_CRYPTO_AUTH_SHA1_HMAC,.name = "HMAC-SHA1"}, + { + .type = RTE_CRYPTO_SYM_XFORM_AUTH,.auth = + RTE_CRYPTO_AUTH_SHA256_HMAC,.name = "HMAC-SHA256"}, + { + .type = RTE_CRYPTO_SYM_XFORM_AUTH,.auth = + RTE_CRYPTO_AUTH_SHA384_HMAC,.name = "HMAC-SHA384"}, + { + .type = RTE_CRYPTO_SYM_XFORM_AUTH,.auth = + RTE_CRYPTO_AUTH_SHA512_HMAC,.name = "HMAC-SHA512"}, + { + .type = RTE_CRYPTO_SYM_XFORM_AUTH,.auth = + RTE_CRYPTO_AUTH_AES_XCBC_MAC,.name = "AES-XCBC-MAC"}, + { + .type = RTE_CRYPTO_SYM_XFORM_AUTH,.auth = + RTE_CRYPTO_AUTH_AES_GCM,.name = "AES-GCM"}, + { + /* tail */ + .type = RTE_CRYPTO_SYM_XFORM_NOT_SPECIFIED},}; + uint32_t i = 0; + + if (cap->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) + return -1; + + while (supported_algo[i].type != RTE_CRYPTO_SYM_XFORM_NOT_SPECIFIED) + { + if (cap->sym.xform_type == supported_algo[i].type) + { + if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER && + cap->sym.cipher.algo == supported_algo[i].cipher) || + (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH && + cap->sym.auth.algo == supported_algo[i].auth)) + { + if (name) + strcpy (name, supported_algo[i].name); + return 0; + } + } + + i++; + } + + return -1; +} + +#endif /* __DPDK_IPSEC_H__ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |