diff options
Diffstat (limited to 'drivers/crypto/openssl/rte_openssl_pmd.c')
| -rw-r--r-- | drivers/crypto/openssl/rte_openssl_pmd.c | 283 |
1 files changed, 210 insertions, 73 deletions
diff --git a/drivers/crypto/openssl/rte_openssl_pmd.c b/drivers/crypto/openssl/rte_openssl_pmd.c index f0c5ca3c..0bd5f98e 100644 --- a/drivers/crypto/openssl/rte_openssl_pmd.c +++ b/drivers/crypto/openssl/rte_openssl_pmd.c @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright(c) 2016 Intel Corporation. All rights reserved. + * Copyright(c) 2016-2017 Intel Corporation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -34,6 +34,7 @@ #include <rte_hexdump.h> #include <rte_cryptodev.h> #include <rte_cryptodev_pmd.h> +#include <rte_cryptodev_vdev.h> #include <rte_vdev.h> #include <rte_malloc.h> #include <rte_cpuflags.h> @@ -44,6 +45,8 @@ #define DES_BLOCK_SIZE 8 +static uint8_t cryptodev_driver_id; + static int cryptodev_openssl_remove(struct rte_vdev_device *vdev); /*----------------------------------------------------------------------------*/ @@ -88,6 +91,8 @@ openssl_get_chain_order(const struct rte_crypto_sym_xform *xform) else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) res = OPENSSL_CHAIN_CIPHER_AUTH; } + if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) + res = OPENSSL_CHAIN_COMBINED; } return res; @@ -183,21 +188,6 @@ get_cipher_algo(enum rte_crypto_cipher_algorithm sess_algo, size_t keylen, res = -EINVAL; } break; - case RTE_CRYPTO_CIPHER_AES_GCM: - switch (keylen) { - case 16: - *algo = EVP_aes_128_gcm(); - break; - case 24: - *algo = EVP_aes_192_gcm(); - break; - case 32: - *algo = EVP_aes_256_gcm(); - break; - default: - res = -EINVAL; - } - break; default: res = -EINVAL; break; @@ -253,6 +243,41 @@ get_auth_algo(enum rte_crypto_auth_algorithm sessalgo, return res; } +/** Get adequate openssl function for input cipher algorithm */ +static uint8_t +get_aead_algo(enum rte_crypto_aead_algorithm sess_algo, size_t keylen, + const EVP_CIPHER **algo) +{ + int res = 0; + + if (algo != NULL) { + switch (sess_algo) { + case RTE_CRYPTO_AEAD_AES_GCM: + switch (keylen) { + case 16: + *algo = EVP_aes_128_gcm(); + break; + case 24: + *algo = EVP_aes_192_gcm(); + break; + case 32: + *algo = EVP_aes_256_gcm(); + break; + default: + res = -EINVAL; + } + break; + default: + res = -EINVAL; + break; + } + } else { + res = -EINVAL; + } + + return res; +} + /** Set session cipher parameters */ static int openssl_set_session_cipher_parameters(struct openssl_session *sess, @@ -263,12 +288,15 @@ openssl_set_session_cipher_parameters(struct openssl_session *sess, /* Select cipher key */ sess->cipher.key.length = xform->cipher.key.length; + /* Set IV parameters */ + sess->iv.offset = xform->cipher.iv.offset; + sess->iv.length = xform->cipher.iv.length; + /* Select cipher algo */ switch (xform->cipher.algo) { case RTE_CRYPTO_CIPHER_3DES_CBC: case RTE_CRYPTO_CIPHER_AES_CBC: case RTE_CRYPTO_CIPHER_AES_CTR: - case RTE_CRYPTO_CIPHER_AES_GCM: sess->cipher.mode = OPENSSL_CIPHER_LIB; sess->cipher.algo = xform->cipher.algo; sess->cipher.ctx = EVP_CIPHER_CTX_new(); @@ -308,7 +336,7 @@ openssl_set_session_cipher_parameters(struct openssl_session *sess, break; default: sess->cipher.algo = RTE_CRYPTO_CIPHER_NULL; - return -EINVAL; + return -ENOTSUP; } return 0; @@ -326,11 +354,33 @@ openssl_set_session_auth_parameters(struct openssl_session *sess, /* Select auth algo */ switch (xform->auth.algo) { case RTE_CRYPTO_AUTH_AES_GMAC: - case RTE_CRYPTO_AUTH_AES_GCM: - /* Check additional condition for AES_GMAC/GCM */ - if (sess->cipher.algo != RTE_CRYPTO_CIPHER_AES_GCM) - return -EINVAL; sess->chain_order = OPENSSL_CHAIN_COMBINED; + + /* Set IV parameters */ + sess->iv.offset = xform->auth.iv.offset; + sess->iv.length = xform->auth.iv.length; + + /* + * OpenSSL requires GMAC to be a GCM operation + * with no cipher data length + */ + sess->cipher.mode = OPENSSL_CIPHER_LIB; + if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_GENERATE) + sess->cipher.direction = RTE_CRYPTO_CIPHER_OP_ENCRYPT; + else + sess->cipher.direction = RTE_CRYPTO_CIPHER_OP_DECRYPT; + + sess->cipher.key.length = xform->auth.key.length; + sess->cipher.ctx = EVP_CIPHER_CTX_new(); + + if (get_aead_algo(RTE_CRYPTO_AEAD_AES_GCM, + sess->cipher.key.length, + &sess->cipher.evp_algo) != 0) + return -EINVAL; + + get_cipher_key(xform->auth.key.data, xform->auth.key.length, + sess->cipher.key.data); + break; case RTE_CRYPTO_AUTH_MD5: @@ -362,9 +412,55 @@ openssl_set_session_auth_parameters(struct openssl_session *sess, break; default: - return -EINVAL; + return -ENOTSUP; } + sess->auth.digest_length = xform->auth.digest_length; + + return 0; +} + +/* Set session AEAD parameters */ +static int +openssl_set_session_aead_parameters(struct openssl_session *sess, + const struct rte_crypto_sym_xform *xform) +{ + /* Select cipher direction */ + sess->cipher.direction = xform->cipher.op; + /* Select cipher key */ + sess->cipher.key.length = xform->aead.key.length; + + /* Set IV parameters */ + sess->iv.offset = xform->aead.iv.offset; + sess->iv.length = xform->aead.iv.length; + + /* Select auth generate/verify */ + sess->auth.operation = xform->auth.op; + sess->auth.algo = xform->auth.algo; + + /* Select auth algo */ + switch (xform->aead.algo) { + case RTE_CRYPTO_AEAD_AES_GCM: + sess->cipher.mode = OPENSSL_CIPHER_LIB; + sess->aead_algo = xform->aead.algo; + sess->cipher.ctx = EVP_CIPHER_CTX_new(); + + if (get_aead_algo(sess->aead_algo, sess->cipher.key.length, + &sess->cipher.evp_algo) != 0) + return -EINVAL; + + get_cipher_key(xform->cipher.key.data, sess->cipher.key.length, + sess->cipher.key.data); + + sess->chain_order = OPENSSL_CHAIN_COMBINED; + break; + default: + return -ENOTSUP; + } + + sess->auth.aad_length = xform->aead.aad_length; + sess->auth.digest_length = xform->aead.digest_length; + return 0; } @@ -375,6 +471,8 @@ openssl_set_session_parameters(struct openssl_session *sess, { const struct rte_crypto_sym_xform *cipher_xform = NULL; const struct rte_crypto_sym_xform *auth_xform = NULL; + const struct rte_crypto_sym_xform *aead_xform = NULL; + int ret; sess->chain_order = openssl_get_chain_order(xform); switch (sess->chain_order) { @@ -392,25 +490,42 @@ openssl_set_session_parameters(struct openssl_session *sess, auth_xform = xform; cipher_xform = xform->next; break; + case OPENSSL_CHAIN_COMBINED: + aead_xform = xform; + break; default: return -EINVAL; } + /* Default IV length = 0 */ + sess->iv.length = 0; + /* cipher_xform must be check before auth_xform */ if (cipher_xform) { - if (openssl_set_session_cipher_parameters( - sess, cipher_xform)) { + ret = openssl_set_session_cipher_parameters( + sess, cipher_xform); + if (ret != 0) { OPENSSL_LOG_ERR( "Invalid/unsupported cipher parameters"); - return -EINVAL; + return ret; } } if (auth_xform) { - if (openssl_set_session_auth_parameters(sess, auth_xform)) { + ret = openssl_set_session_auth_parameters(sess, auth_xform); + if (ret != 0) { OPENSSL_LOG_ERR( "Invalid/unsupported auth parameters"); - return -EINVAL; + return ret; + } + } + + if (aead_xform) { + ret = openssl_set_session_aead_parameters(sess, aead_xform); + if (ret != 0) { + OPENSSL_LOG_ERR( + "Invalid/unsupported AEAD parameters"); + return ret; } } @@ -445,29 +560,35 @@ get_session(struct openssl_qp *qp, struct rte_crypto_op *op) { struct openssl_session *sess = NULL; - if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) { + if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) { /* get existing session */ - if (likely(op->sym->session != NULL && - op->sym->session->dev_type == - RTE_CRYPTODEV_OPENSSL_PMD)) + if (likely(op->sym->session != NULL)) sess = (struct openssl_session *) - op->sym->session->_private; - } else { + get_session_private_data( + op->sym->session, + cryptodev_driver_id); + } else { /* provide internal session */ void *_sess = NULL; + void *_sess_private_data = NULL; - if (!rte_mempool_get(qp->sess_mp, (void **)&_sess)) { - sess = (struct openssl_session *) - ((struct rte_cryptodev_sym_session *)_sess) - ->_private; - - if (unlikely(openssl_set_session_parameters( - sess, op->sym->xform) != 0)) { - rte_mempool_put(qp->sess_mp, _sess); - sess = NULL; - } else - op->sym->session = _sess; + if (rte_mempool_get(qp->sess_mp, (void **)&_sess)) + return NULL; + + if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data)) + return NULL; + + sess = (struct openssl_session *)_sess_private_data; + + if (unlikely(openssl_set_session_parameters(sess, + op->sym->xform) != 0)) { + rte_mempool_put(qp->sess_mp, _sess); + rte_mempool_put(qp->sess_mp, _sess_private_data); + sess = NULL; } + op->sym->session = (struct rte_cryptodev_sym_session *)_sess; + set_session_private_data(op->sym->session, cryptodev_driver_id, + _sess_private_data); } if (sess == NULL) @@ -912,6 +1033,7 @@ process_openssl_combined_op /* cipher */ uint8_t *dst = NULL, *iv, *tag, *aad; int srclen, ivlen, aadlen, status = -1; + uint32_t offset; /* * Segmented destination buffer is not supported for @@ -922,34 +1044,41 @@ process_openssl_combined_op return; } - iv = op->sym->cipher.iv.data; - ivlen = op->sym->cipher.iv.length; - aad = op->sym->auth.aad.data; - aadlen = op->sym->auth.aad.length; - - tag = op->sym->auth.digest.data; - if (tag == NULL) - tag = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *, - op->sym->cipher.data.offset + - op->sym->cipher.data.length); - - if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) + iv = rte_crypto_op_ctod_offset(op, uint8_t *, + sess->iv.offset); + ivlen = sess->iv.length; + if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) { srclen = 0; - else { - srclen = op->sym->cipher.data.length; + offset = op->sym->auth.data.offset; + aadlen = op->sym->auth.data.length; + aad = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *, + op->sym->auth.data.offset); + tag = op->sym->auth.digest.data; + if (tag == NULL) + tag = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *, + offset + aadlen); + } else { + srclen = op->sym->aead.data.length; dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *, - op->sym->cipher.data.offset); + op->sym->aead.data.offset); + offset = op->sym->aead.data.offset; + aad = op->sym->aead.aad.data; + aadlen = sess->auth.aad_length; + tag = op->sym->aead.digest.data; + if (tag == NULL) + tag = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *, + offset + srclen); } if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) status = process_openssl_auth_encryption_gcm( - mbuf_src, op->sym->cipher.data.offset, srclen, + mbuf_src, offset, srclen, aad, aadlen, iv, ivlen, sess->cipher.key.data, dst, tag, sess->cipher.ctx, sess->cipher.evp_algo); else status = process_openssl_auth_decryption_gcm( - mbuf_src, op->sym->cipher.data.offset, srclen, + mbuf_src, offset, srclen, aad, aadlen, iv, ivlen, sess->cipher.key.data, dst, tag, sess->cipher.ctx, sess->cipher.evp_algo); @@ -986,7 +1115,8 @@ process_openssl_cipher_op dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *, op->sym->cipher.data.offset); - iv = op->sym->cipher.iv.data; + iv = rte_crypto_op_ctod_offset(op, uint8_t *, + sess->iv.offset); if (sess->cipher.mode == OPENSSL_CIPHER_LIB) if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) @@ -1027,7 +1157,8 @@ process_openssl_docsis_bpi_op(struct rte_crypto_op *op, dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *, op->sym->cipher.data.offset); - iv = op->sym->cipher.iv.data; + iv = rte_crypto_op_ctod_offset(op, uint8_t *, + sess->iv.offset); block_size = DES_BLOCK_SIZE; @@ -1085,7 +1216,8 @@ process_openssl_docsis_bpi_op(struct rte_crypto_op *op, dst, iv, last_block_len, sess->cipher.bpi_ctx); /* Prepare parameters for CBC mode op */ - iv = op->sym->cipher.iv.data; + iv = rte_crypto_op_ctod_offset(op, uint8_t *, + sess->iv.offset); dst += last_block_len - srclen; srclen -= last_block_len; } @@ -1116,7 +1248,7 @@ process_openssl_auth_op if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) dst = (uint8_t *)rte_pktmbuf_append(mbuf_src, - op->sym->auth.digest.length); + sess->auth.digest_length); else { dst = op->sym->auth.digest.data; if (dst == NULL) @@ -1144,11 +1276,11 @@ process_openssl_auth_op if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) { if (memcmp(dst, op->sym->auth.digest.data, - op->sym->auth.digest.length) != 0) { + sess->auth.digest_length) != 0) { op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED; } /* Trim area used for digest from mbuf. */ - rte_pktmbuf_trim(mbuf_src, op->sym->auth.digest.length); + rte_pktmbuf_trim(mbuf_src, sess->auth.digest_length); } if (status != 0) @@ -1195,9 +1327,12 @@ process_op(const struct openssl_qp *qp, struct rte_crypto_op *op, } /* Free session if a session-less crypto op */ - if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) { + if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) { openssl_reset_session(sess); memset(sess, 0, sizeof(struct openssl_session)); + memset(op->sym->session, 0, + rte_cryptodev_get_header_session_size()); + rte_mempool_put(qp->sess_mp, sess); rte_mempool_put(qp->sess_mp, op->sym->session); op->sym->session = NULL; } @@ -1275,15 +1410,16 @@ cryptodev_openssl_create(const char *name, snprintf(init_params->name, sizeof(init_params->name), "%s", name); - dev = rte_cryptodev_pmd_virtual_dev_init(init_params->name, + dev = rte_cryptodev_vdev_pmd_init(init_params->name, sizeof(struct openssl_private), - init_params->socket_id); + init_params->socket_id, + vdev); if (dev == NULL) { OPENSSL_LOG_ERR("failed to create cryptodev vdev"); goto init_error; } - dev->dev_type = RTE_CRYPTODEV_OPENSSL_PMD; + dev->driver_id = cryptodev_driver_id; dev->dev_ops = rte_openssl_pmd_ops; /* register rx/tx burst functions for data path */ @@ -1329,7 +1465,7 @@ cryptodev_openssl_probe(struct rte_vdev_device *vdev) return -EINVAL; input_args = rte_vdev_device_args(vdev); - rte_cryptodev_parse_vdev_init_params(&init_params, input_args); + rte_cryptodev_vdev_parse_init_params(&init_params, input_args); RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name, init_params.socket_id); @@ -1372,3 +1508,4 @@ RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_OPENSSL_PMD, "max_nb_queue_pairs=<int> " "max_nb_sessions=<int> " "socket_id=<int>"); +RTE_PMD_REGISTER_CRYPTO_DRIVER(cryptodev_openssl_pmd_drv, cryptodev_driver_id); |