diff options
author | 2017-08-16 18:42:05 +0100 | |
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committer | 2017-08-16 18:46:04 +0100 | |
commit | f239aed5e674965691846e8ce3f187dd47523689 (patch) | |
tree | a153a3125c6e183c73871a8ecaa4b285fed5fbd5 /drivers/crypto/zuc/rte_zuc_pmd.c | |
parent | bf7567fd2a5b0b28ab724046143c24561d38d015 (diff) |
New upstream version 17.08
Change-Id: I288b50990f52646089d6b1f3aaa6ba2f091a51d7
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/crypto/zuc/rte_zuc_pmd.c')
-rw-r--r-- | drivers/crypto/zuc/rte_zuc_pmd.c | 131 |
1 files changed, 75 insertions, 56 deletions
diff --git a/drivers/crypto/zuc/rte_zuc_pmd.c b/drivers/crypto/zuc/rte_zuc_pmd.c index 1020544b..b301711e 100644 --- a/drivers/crypto/zuc/rte_zuc_pmd.c +++ b/drivers/crypto/zuc/rte_zuc_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 @@ -35,6 +35,7 @@ #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> @@ -45,6 +46,8 @@ #define ZUC_MAX_BURST 8 #define BYTE_LEN 8 +static uint8_t cryptodev_driver_id; + /** Get xform chain order. */ static enum zuc_operation zuc_get_mode(const struct rte_crypto_sym_xform *xform) @@ -107,13 +110,20 @@ zuc_set_session_parameters(struct zuc_session *sess, case ZUC_OP_NOT_SUPPORTED: default: ZUC_LOG_ERR("Unsupported operation chain order parameter"); - return -EINVAL; + return -ENOTSUP; } if (cipher_xform) { /* Only ZUC EEA3 supported */ if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_ZUC_EEA3) + return -ENOTSUP; + + if (cipher_xform->cipher.iv.length != ZUC_IV_KEY_LENGTH) { + ZUC_LOG_ERR("Wrong IV length"); return -EINVAL; + } + sess->cipher_iv_offset = cipher_xform->cipher.iv.offset; + /* Copy the key */ memcpy(sess->pKey_cipher, cipher_xform->cipher.key.data, ZUC_IV_KEY_LENGTH); @@ -122,8 +132,21 @@ zuc_set_session_parameters(struct zuc_session *sess, if (auth_xform) { /* Only ZUC EIA3 supported */ if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_ZUC_EIA3) + return -ENOTSUP; + + if (auth_xform->auth.digest_length != ZUC_DIGEST_LENGTH) { + ZUC_LOG_ERR("Wrong digest length"); return -EINVAL; + } + sess->auth_op = auth_xform->auth.op; + + if (auth_xform->auth.iv.length != ZUC_IV_KEY_LENGTH) { + ZUC_LOG_ERR("Wrong IV length"); + return -EINVAL; + } + sess->auth_iv_offset = auth_xform->auth.iv.offset; + /* Copy the key */ memcpy(sess->pKey_hash, auth_xform->auth.key.data, ZUC_IV_KEY_LENGTH); @@ -139,27 +162,40 @@ zuc_set_session_parameters(struct zuc_session *sess, static struct zuc_session * zuc_get_session(struct zuc_qp *qp, struct rte_crypto_op *op) { - struct zuc_session *sess; - - if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) { - if (unlikely(op->sym->session->dev_type != - RTE_CRYPTODEV_ZUC_PMD)) + struct zuc_session *sess = NULL; + + if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) { + if (likely(op->sym->session != NULL)) + sess = (struct zuc_session *)get_session_private_data( + op->sym->session, + cryptodev_driver_id); + } else { + void *_sess = NULL; + void *_sess_private_data = NULL; + + if (rte_mempool_get(qp->sess_mp, (void **)&_sess)) return NULL; - sess = (struct zuc_session *)op->sym->session->_private; - } else { - struct rte_cryptodev_session *c_sess = NULL; - - if (rte_mempool_get(qp->sess_mp, (void **)&c_sess)) + if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data)) return NULL; - sess = (struct zuc_session *)c_sess->_private; + sess = (struct zuc_session *)_sess_private_data; if (unlikely(zuc_set_session_parameters(sess, - op->sym->xform) != 0)) - return NULL; + 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 (unlikely(sess == NULL)) + op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION; + + return sess; } @@ -172,18 +208,11 @@ process_zuc_cipher_op(struct rte_crypto_op **ops, unsigned i; uint8_t processed_ops = 0; uint8_t *src[ZUC_MAX_BURST], *dst[ZUC_MAX_BURST]; - uint8_t *IV[ZUC_MAX_BURST]; + uint8_t *iv[ZUC_MAX_BURST]; uint32_t num_bytes[ZUC_MAX_BURST]; uint8_t *cipher_keys[ZUC_MAX_BURST]; for (i = 0; i < num_ops; i++) { - /* Sanity checks. */ - if (unlikely(ops[i]->sym->cipher.iv.length != ZUC_IV_KEY_LENGTH)) { - ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; - ZUC_LOG_ERR("iv"); - break; - } - if (((ops[i]->sym->cipher.data.length % BYTE_LEN) != 0) || ((ops[i]->sym->cipher.data.offset % BYTE_LEN) != 0)) { @@ -212,7 +241,8 @@ process_zuc_cipher_op(struct rte_crypto_op **ops, (ops[i]->sym->cipher.data.offset >> 3) : rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) + (ops[i]->sym->cipher.data.offset >> 3); - IV[i] = ops[i]->sym->cipher.iv.data; + iv[i] = rte_crypto_op_ctod_offset(ops[i], uint8_t *, + session->cipher_iv_offset); num_bytes[i] = ops[i]->sym->cipher.data.length >> 3; cipher_keys[i] = session->pKey_cipher; @@ -220,7 +250,7 @@ process_zuc_cipher_op(struct rte_crypto_op **ops, processed_ops++; } - sso_zuc_eea3_n_buffer(cipher_keys, IV, src, dst, + sso_zuc_eea3_n_buffer(cipher_keys, iv, src, dst, num_bytes, processed_ops); return processed_ops; @@ -237,20 +267,9 @@ process_zuc_hash_op(struct rte_crypto_op **ops, uint8_t *src; uint32_t *dst; uint32_t length_in_bits; + uint8_t *iv; for (i = 0; i < num_ops; i++) { - if (unlikely(ops[i]->sym->auth.aad.length != ZUC_IV_KEY_LENGTH)) { - ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; - ZUC_LOG_ERR("aad"); - break; - } - - if (unlikely(ops[i]->sym->auth.digest.length != ZUC_DIGEST_LENGTH)) { - ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; - ZUC_LOG_ERR("digest"); - break; - } - /* Data must be byte aligned */ if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) { ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; @@ -262,27 +281,29 @@ process_zuc_hash_op(struct rte_crypto_op **ops, src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) + (ops[i]->sym->auth.data.offset >> 3); + iv = rte_crypto_op_ctod_offset(ops[i], uint8_t *, + session->auth_iv_offset); if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) { dst = (uint32_t *)rte_pktmbuf_append(ops[i]->sym->m_src, - ops[i]->sym->auth.digest.length); + ZUC_DIGEST_LENGTH); sso_zuc_eia3_1_buffer(session->pKey_hash, - ops[i]->sym->auth.aad.data, src, + iv, src, length_in_bits, dst); /* Verify digest. */ if (memcmp(dst, ops[i]->sym->auth.digest.data, - ops[i]->sym->auth.digest.length) != 0) + ZUC_DIGEST_LENGTH) != 0) ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED; /* Trim area used for digest from mbuf. */ rte_pktmbuf_trim(ops[i]->sym->m_src, - ops[i]->sym->auth.digest.length); + ZUC_DIGEST_LENGTH); } else { dst = (uint32_t *)ops[i]->sym->auth.digest.data; sso_zuc_eia3_1_buffer(session->pKey_hash, - ops[i]->sym->auth.aad.data, src, + iv, src, length_in_bits, dst); } processed_ops++; @@ -332,7 +353,11 @@ process_ops(struct rte_crypto_op **ops, struct zuc_session *session, if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED) ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS; /* Free session if a session-less crypto op. */ - if (ops[i]->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) { + if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) { + memset(session, 0, sizeof(struct zuc_session)); + memset(ops[i]->sym->session, 0, + rte_cryptodev_get_header_session_size()); + rte_mempool_put(qp->sess_mp, session); rte_mempool_put(qp->sess_mp, ops[i]->sym->session); ops[i]->sym->session = NULL; } @@ -448,28 +473,21 @@ cryptodev_zuc_create(const char *name, { struct rte_cryptodev *dev; struct zuc_private *internals; - uint64_t cpu_flags = 0; + uint64_t cpu_flags = RTE_CRYPTODEV_FF_CPU_SSE; if (init_params->name[0] == '\0') snprintf(init_params->name, sizeof(init_params->name), "%s", name); - /* Check CPU for supported vector instruction set */ - if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1)) - cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE; - else { - ZUC_LOG_ERR("Vector instructions are not supported by CPU"); - return -EFAULT; - } - - dev = rte_cryptodev_pmd_virtual_dev_init(init_params->name, - sizeof(struct zuc_private), init_params->socket_id); + dev = rte_cryptodev_vdev_pmd_init(init_params->name, + sizeof(struct zuc_private), init_params->socket_id, + vdev); if (dev == NULL) { ZUC_LOG_ERR("failed to create cryptodev vdev"); goto init_error; } - dev->dev_type = RTE_CRYPTODEV_ZUC_PMD; + dev->driver_id = cryptodev_driver_id; dev->dev_ops = rte_zuc_pmd_ops; /* Register RX/TX burst functions for data path. */ @@ -511,7 +529,7 @@ cryptodev_zuc_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); @@ -552,3 +570,4 @@ RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_ZUC_PMD, "max_nb_queue_pairs=<int> " "max_nb_sessions=<int> " "socket_id=<int>"); +RTE_PMD_REGISTER_CRYPTO_DRIVER(cryptodev_zuc_pmd_drv, cryptodev_driver_id); |