diff options
Diffstat (limited to 'drivers/crypto/qat/qat_crypto.c')
| -rw-r--r-- | drivers/crypto/qat/qat_crypto.c | 1696 |
1 files changed, 0 insertions, 1696 deletions
diff --git a/drivers/crypto/qat/qat_crypto.c b/drivers/crypto/qat/qat_crypto.c deleted file mode 100644 index 4afe159d..00000000 --- a/drivers/crypto/qat/qat_crypto.c +++ /dev/null @@ -1,1696 +0,0 @@ -/* SPDX-License-Identifier: BSD-3-Clause - * Copyright(c) 2015-2017 Intel Corporation - */ - -#include <stdio.h> -#include <stdlib.h> -#include <strings.h> -#include <string.h> -#include <inttypes.h> -#include <errno.h> -#include <sys/queue.h> -#include <stdarg.h> - -#include <rte_common.h> -#include <rte_log.h> -#include <rte_debug.h> -#include <rte_memory.h> -#include <rte_tailq.h> -#include <rte_malloc.h> -#include <rte_launch.h> -#include <rte_eal.h> -#include <rte_per_lcore.h> -#include <rte_lcore.h> -#include <rte_branch_prediction.h> -#include <rte_mempool.h> -#include <rte_mbuf.h> -#include <rte_string_fns.h> -#include <rte_spinlock.h> -#include <rte_hexdump.h> -#include <rte_crypto_sym.h> -#include <rte_byteorder.h> -#include <rte_pci.h> -#include <rte_bus_pci.h> - -#include <openssl/evp.h> - -#include "qat_logs.h" -#include "qat_algs.h" -#include "qat_crypto.h" -#include "adf_transport_access_macros.h" - -#define BYTE_LENGTH 8 -/* bpi is only used for partial blocks of DES and AES - * so AES block len can be assumed as max len for iv, src and dst - */ -#define BPI_MAX_ENCR_IV_LEN ICP_QAT_HW_AES_BLK_SZ - -static int -qat_is_cipher_alg_supported(enum rte_crypto_cipher_algorithm algo, - struct qat_pmd_private *internals) { - int i = 0; - const struct rte_cryptodev_capabilities *capability; - - while ((capability = &(internals->qat_dev_capabilities[i++]))->op != - RTE_CRYPTO_OP_TYPE_UNDEFINED) { - if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) - continue; - - if (capability->sym.xform_type != RTE_CRYPTO_SYM_XFORM_CIPHER) - continue; - - if (capability->sym.cipher.algo == algo) - return 1; - } - return 0; -} - -static int -qat_is_auth_alg_supported(enum rte_crypto_auth_algorithm algo, - struct qat_pmd_private *internals) { - int i = 0; - const struct rte_cryptodev_capabilities *capability; - - while ((capability = &(internals->qat_dev_capabilities[i++]))->op != - RTE_CRYPTO_OP_TYPE_UNDEFINED) { - if (capability->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC) - continue; - - if (capability->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH) - continue; - - if (capability->sym.auth.algo == algo) - return 1; - } - return 0; -} - -/** Encrypt a single partial block - * Depends on openssl libcrypto - * Uses ECB+XOR to do CFB encryption, same result, more performant - */ -static inline int -bpi_cipher_encrypt(uint8_t *src, uint8_t *dst, - uint8_t *iv, int ivlen, int srclen, - void *bpi_ctx) -{ - EVP_CIPHER_CTX *ctx = (EVP_CIPHER_CTX *)bpi_ctx; - int encrypted_ivlen; - uint8_t encrypted_iv[BPI_MAX_ENCR_IV_LEN]; - uint8_t *encr = encrypted_iv; - - /* ECB method: encrypt the IV, then XOR this with plaintext */ - if (EVP_EncryptUpdate(ctx, encrypted_iv, &encrypted_ivlen, iv, ivlen) - <= 0) - goto cipher_encrypt_err; - - for (; srclen != 0; --srclen, ++dst, ++src, ++encr) - *dst = *src ^ *encr; - - return 0; - -cipher_encrypt_err: - PMD_DRV_LOG(ERR, "libcrypto ECB cipher encrypt failed"); - return -EINVAL; -} - -/** Decrypt a single partial block - * Depends on openssl libcrypto - * Uses ECB+XOR to do CFB encryption, same result, more performant - */ -static inline int -bpi_cipher_decrypt(uint8_t *src, uint8_t *dst, - uint8_t *iv, int ivlen, int srclen, - void *bpi_ctx) -{ - EVP_CIPHER_CTX *ctx = (EVP_CIPHER_CTX *)bpi_ctx; - int encrypted_ivlen; - uint8_t encrypted_iv[BPI_MAX_ENCR_IV_LEN]; - uint8_t *encr = encrypted_iv; - - /* ECB method: encrypt (not decrypt!) the IV, then XOR with plaintext */ - if (EVP_EncryptUpdate(ctx, encrypted_iv, &encrypted_ivlen, iv, ivlen) - <= 0) - goto cipher_decrypt_err; - - for (; srclen != 0; --srclen, ++dst, ++src, ++encr) - *dst = *src ^ *encr; - - return 0; - -cipher_decrypt_err: - PMD_DRV_LOG(ERR, "libcrypto ECB cipher decrypt for BPI IV failed"); - return -EINVAL; -} - -/** Creates a context in either AES or DES in ECB mode - * Depends on openssl libcrypto - */ -static int -bpi_cipher_ctx_init(enum rte_crypto_cipher_algorithm cryptodev_algo, - enum rte_crypto_cipher_operation direction __rte_unused, - uint8_t *key, void **ctx) -{ - const EVP_CIPHER *algo = NULL; - int ret; - *ctx = EVP_CIPHER_CTX_new(); - - if (*ctx == NULL) { - ret = -ENOMEM; - goto ctx_init_err; - } - - if (cryptodev_algo == RTE_CRYPTO_CIPHER_DES_DOCSISBPI) - algo = EVP_des_ecb(); - else - algo = EVP_aes_128_ecb(); - - /* IV will be ECB encrypted whether direction is encrypt or decrypt*/ - if (EVP_EncryptInit_ex(*ctx, algo, NULL, key, 0) != 1) { - ret = -EINVAL; - goto ctx_init_err; - } - - return 0; - -ctx_init_err: - if (*ctx != NULL) - EVP_CIPHER_CTX_free(*ctx); - return ret; -} - -/** Frees a context previously created - * Depends on openssl libcrypto - */ -static void -bpi_cipher_ctx_free(void *bpi_ctx) -{ - if (bpi_ctx != NULL) - EVP_CIPHER_CTX_free((EVP_CIPHER_CTX *)bpi_ctx); -} - -static inline uint32_t -adf_modulo(uint32_t data, uint32_t shift); - -static inline int -qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg, - struct qat_crypto_op_cookie *qat_op_cookie, struct qat_qp *qp); - -void -qat_crypto_sym_clear_session(struct rte_cryptodev *dev, - struct rte_cryptodev_sym_session *sess) -{ - PMD_INIT_FUNC_TRACE(); - uint8_t index = dev->driver_id; - void *sess_priv = get_session_private_data(sess, index); - struct qat_session *s = (struct qat_session *)sess_priv; - - if (sess_priv) { - if (s->bpi_ctx) - bpi_cipher_ctx_free(s->bpi_ctx); - memset(s, 0, qat_crypto_sym_get_session_private_size(dev)); - struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv); - set_session_private_data(sess, index, NULL); - rte_mempool_put(sess_mp, sess_priv); - } -} - -static int -qat_get_cmd_id(const struct rte_crypto_sym_xform *xform) -{ - /* Cipher Only */ - if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER && xform->next == NULL) - return ICP_QAT_FW_LA_CMD_CIPHER; - - /* Authentication Only */ - if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH && xform->next == NULL) - return ICP_QAT_FW_LA_CMD_AUTH; - - /* AEAD */ - if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) { - /* AES-GCM and AES-CCM works with different direction - * GCM first encrypts and generate hash where AES-CCM - * first generate hash and encrypts. Similar relation - * applies to decryption. - */ - if (xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT) - if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) - return ICP_QAT_FW_LA_CMD_CIPHER_HASH; - else - return ICP_QAT_FW_LA_CMD_HASH_CIPHER; - else - if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) - return ICP_QAT_FW_LA_CMD_HASH_CIPHER; - else - return ICP_QAT_FW_LA_CMD_CIPHER_HASH; - } - - if (xform->next == NULL) - return -1; - - /* Cipher then Authenticate */ - if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER && - xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) - return ICP_QAT_FW_LA_CMD_CIPHER_HASH; - - /* Authenticate then Cipher */ - if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH && - xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER) - return ICP_QAT_FW_LA_CMD_HASH_CIPHER; - - return -1; -} - -static struct rte_crypto_auth_xform * -qat_get_auth_xform(struct rte_crypto_sym_xform *xform) -{ - do { - if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) - return &xform->auth; - - xform = xform->next; - } while (xform); - - return NULL; -} - -static struct rte_crypto_cipher_xform * -qat_get_cipher_xform(struct rte_crypto_sym_xform *xform) -{ - do { - if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) - return &xform->cipher; - - xform = xform->next; - } while (xform); - - return NULL; -} - -int -qat_crypto_sym_configure_session_cipher(struct rte_cryptodev *dev, - struct rte_crypto_sym_xform *xform, - struct qat_session *session) -{ - struct qat_pmd_private *internals = dev->data->dev_private; - struct rte_crypto_cipher_xform *cipher_xform = NULL; - int ret; - - /* Get cipher xform from crypto xform chain */ - cipher_xform = qat_get_cipher_xform(xform); - - session->cipher_iv.offset = cipher_xform->iv.offset; - session->cipher_iv.length = cipher_xform->iv.length; - - switch (cipher_xform->algo) { - case RTE_CRYPTO_CIPHER_AES_CBC: - if (qat_alg_validate_aes_key(cipher_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid AES cipher key size"); - ret = -EINVAL; - goto error_out; - } - session->qat_mode = ICP_QAT_HW_CIPHER_CBC_MODE; - break; - case RTE_CRYPTO_CIPHER_AES_CTR: - if (qat_alg_validate_aes_key(cipher_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid AES cipher key size"); - ret = -EINVAL; - goto error_out; - } - session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE; - break; - case RTE_CRYPTO_CIPHER_SNOW3G_UEA2: - if (qat_alg_validate_snow3g_key(cipher_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid SNOW 3G cipher key size"); - ret = -EINVAL; - goto error_out; - } - session->qat_mode = ICP_QAT_HW_CIPHER_ECB_MODE; - break; - case RTE_CRYPTO_CIPHER_NULL: - session->qat_mode = ICP_QAT_HW_CIPHER_ECB_MODE; - break; - case RTE_CRYPTO_CIPHER_KASUMI_F8: - if (qat_alg_validate_kasumi_key(cipher_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid KASUMI cipher key size"); - ret = -EINVAL; - goto error_out; - } - session->qat_mode = ICP_QAT_HW_CIPHER_F8_MODE; - break; - case RTE_CRYPTO_CIPHER_3DES_CBC: - if (qat_alg_validate_3des_key(cipher_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid 3DES cipher key size"); - ret = -EINVAL; - goto error_out; - } - session->qat_mode = ICP_QAT_HW_CIPHER_CBC_MODE; - break; - case RTE_CRYPTO_CIPHER_DES_CBC: - if (qat_alg_validate_des_key(cipher_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid DES cipher key size"); - ret = -EINVAL; - goto error_out; - } - session->qat_mode = ICP_QAT_HW_CIPHER_CBC_MODE; - break; - case RTE_CRYPTO_CIPHER_3DES_CTR: - if (qat_alg_validate_3des_key(cipher_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid 3DES cipher key size"); - ret = -EINVAL; - goto error_out; - } - session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE; - break; - case RTE_CRYPTO_CIPHER_DES_DOCSISBPI: - ret = bpi_cipher_ctx_init( - cipher_xform->algo, - cipher_xform->op, - cipher_xform->key.data, - &session->bpi_ctx); - if (ret != 0) { - PMD_DRV_LOG(ERR, "failed to create DES BPI ctx"); - goto error_out; - } - if (qat_alg_validate_des_key(cipher_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid DES cipher key size"); - ret = -EINVAL; - goto error_out; - } - session->qat_mode = ICP_QAT_HW_CIPHER_CBC_MODE; - break; - case RTE_CRYPTO_CIPHER_AES_DOCSISBPI: - ret = bpi_cipher_ctx_init( - cipher_xform->algo, - cipher_xform->op, - cipher_xform->key.data, - &session->bpi_ctx); - if (ret != 0) { - PMD_DRV_LOG(ERR, "failed to create AES BPI ctx"); - goto error_out; - } - if (qat_alg_validate_aes_docsisbpi_key(cipher_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid AES DOCSISBPI key size"); - ret = -EINVAL; - goto error_out; - } - session->qat_mode = ICP_QAT_HW_CIPHER_CBC_MODE; - break; - case RTE_CRYPTO_CIPHER_ZUC_EEA3: - if (!qat_is_cipher_alg_supported( - cipher_xform->algo, internals)) { - PMD_DRV_LOG(ERR, "%s not supported on this device", - rte_crypto_cipher_algorithm_strings - [cipher_xform->algo]); - ret = -ENOTSUP; - goto error_out; - } - if (qat_alg_validate_zuc_key(cipher_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid ZUC cipher key size"); - ret = -EINVAL; - goto error_out; - } - session->qat_mode = ICP_QAT_HW_CIPHER_ECB_MODE; - break; - case RTE_CRYPTO_CIPHER_3DES_ECB: - case RTE_CRYPTO_CIPHER_AES_ECB: - case RTE_CRYPTO_CIPHER_AES_F8: - case RTE_CRYPTO_CIPHER_AES_XTS: - case RTE_CRYPTO_CIPHER_ARC4: - PMD_DRV_LOG(ERR, "Crypto QAT PMD: Unsupported Cipher alg %u", - cipher_xform->algo); - ret = -ENOTSUP; - goto error_out; - default: - PMD_DRV_LOG(ERR, "Crypto: Undefined Cipher specified %u\n", - cipher_xform->algo); - ret = -EINVAL; - goto error_out; - } - - if (cipher_xform->op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) - session->qat_dir = ICP_QAT_HW_CIPHER_ENCRYPT; - else - session->qat_dir = ICP_QAT_HW_CIPHER_DECRYPT; - - if (qat_alg_aead_session_create_content_desc_cipher(session, - cipher_xform->key.data, - cipher_xform->key.length)) { - ret = -EINVAL; - goto error_out; - } - - return 0; - -error_out: - if (session->bpi_ctx) { - bpi_cipher_ctx_free(session->bpi_ctx); - session->bpi_ctx = NULL; - } - return ret; -} - -int -qat_crypto_sym_configure_session(struct rte_cryptodev *dev, - struct rte_crypto_sym_xform *xform, - struct rte_cryptodev_sym_session *sess, - struct rte_mempool *mempool) -{ - void *sess_private_data; - int ret; - - if (rte_mempool_get(mempool, &sess_private_data)) { - CDEV_LOG_ERR( - "Couldn't get object from session mempool"); - return -ENOMEM; - } - - ret = qat_crypto_set_session_parameters(dev, xform, sess_private_data); - if (ret != 0) { - PMD_DRV_LOG(ERR, "Crypto QAT PMD: failed to configure " - "session parameters"); - - /* Return session to mempool */ - rte_mempool_put(mempool, sess_private_data); - return ret; - } - - set_session_private_data(sess, dev->driver_id, - sess_private_data); - - return 0; -} - -int -qat_crypto_set_session_parameters(struct rte_cryptodev *dev, - struct rte_crypto_sym_xform *xform, void *session_private) -{ - struct qat_session *session = session_private; - int ret; - - int qat_cmd_id; - PMD_INIT_FUNC_TRACE(); - - /* Set context descriptor physical address */ - session->cd_paddr = rte_mempool_virt2iova(session) + - offsetof(struct qat_session, cd); - - session->min_qat_dev_gen = QAT_GEN1; - - /* Get requested QAT command id */ - qat_cmd_id = qat_get_cmd_id(xform); - if (qat_cmd_id < 0 || qat_cmd_id >= ICP_QAT_FW_LA_CMD_DELIMITER) { - PMD_DRV_LOG(ERR, "Unsupported xform chain requested"); - return -ENOTSUP; - } - session->qat_cmd = (enum icp_qat_fw_la_cmd_id)qat_cmd_id; - switch (session->qat_cmd) { - case ICP_QAT_FW_LA_CMD_CIPHER: - ret = qat_crypto_sym_configure_session_cipher(dev, xform, session); - if (ret < 0) - return ret; - break; - case ICP_QAT_FW_LA_CMD_AUTH: - ret = qat_crypto_sym_configure_session_auth(dev, xform, session); - if (ret < 0) - return ret; - break; - case ICP_QAT_FW_LA_CMD_CIPHER_HASH: - if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) { - ret = qat_crypto_sym_configure_session_aead(xform, - session); - if (ret < 0) - return ret; - } else { - ret = qat_crypto_sym_configure_session_cipher(dev, - xform, session); - if (ret < 0) - return ret; - ret = qat_crypto_sym_configure_session_auth(dev, - xform, session); - if (ret < 0) - return ret; - } - break; - case ICP_QAT_FW_LA_CMD_HASH_CIPHER: - if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) { - ret = qat_crypto_sym_configure_session_aead(xform, - session); - if (ret < 0) - return ret; - } else { - ret = qat_crypto_sym_configure_session_auth(dev, - xform, session); - if (ret < 0) - return ret; - ret = qat_crypto_sym_configure_session_cipher(dev, - xform, session); - if (ret < 0) - return ret; - } - break; - case ICP_QAT_FW_LA_CMD_TRNG_GET_RANDOM: - case ICP_QAT_FW_LA_CMD_TRNG_TEST: - case ICP_QAT_FW_LA_CMD_SSL3_KEY_DERIVE: - case ICP_QAT_FW_LA_CMD_TLS_V1_1_KEY_DERIVE: - case ICP_QAT_FW_LA_CMD_TLS_V1_2_KEY_DERIVE: - case ICP_QAT_FW_LA_CMD_MGF1: - case ICP_QAT_FW_LA_CMD_AUTH_PRE_COMP: - case ICP_QAT_FW_LA_CMD_CIPHER_PRE_COMP: - case ICP_QAT_FW_LA_CMD_DELIMITER: - PMD_DRV_LOG(ERR, "Unsupported Service %u", - session->qat_cmd); - return -ENOTSUP; - default: - PMD_DRV_LOG(ERR, "Unsupported Service %u", - session->qat_cmd); - return -ENOTSUP; - } - - return 0; -} - -int -qat_crypto_sym_configure_session_auth(struct rte_cryptodev *dev, - struct rte_crypto_sym_xform *xform, - struct qat_session *session) -{ - struct rte_crypto_auth_xform *auth_xform = NULL; - struct qat_pmd_private *internals = dev->data->dev_private; - auth_xform = qat_get_auth_xform(xform); - uint8_t *key_data = auth_xform->key.data; - uint8_t key_length = auth_xform->key.length; - - switch (auth_xform->algo) { - case RTE_CRYPTO_AUTH_SHA1_HMAC: - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_SHA1; - break; - case RTE_CRYPTO_AUTH_SHA224_HMAC: - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_SHA224; - break; - case RTE_CRYPTO_AUTH_SHA256_HMAC: - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_SHA256; - break; - case RTE_CRYPTO_AUTH_SHA384_HMAC: - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_SHA384; - break; - case RTE_CRYPTO_AUTH_SHA512_HMAC: - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_SHA512; - break; - case RTE_CRYPTO_AUTH_AES_XCBC_MAC: - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_AES_XCBC_MAC; - break; - case RTE_CRYPTO_AUTH_AES_GMAC: - if (qat_alg_validate_aes_key(auth_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid AES key size"); - return -EINVAL; - } - session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE; - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_GALOIS_128; - - break; - case RTE_CRYPTO_AUTH_SNOW3G_UIA2: - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2; - break; - case RTE_CRYPTO_AUTH_MD5_HMAC: - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_MD5; - break; - case RTE_CRYPTO_AUTH_NULL: - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_NULL; - break; - case RTE_CRYPTO_AUTH_KASUMI_F9: - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_KASUMI_F9; - break; - case RTE_CRYPTO_AUTH_ZUC_EIA3: - if (!qat_is_auth_alg_supported(auth_xform->algo, internals)) { - PMD_DRV_LOG(ERR, "%s not supported on this device", - rte_crypto_auth_algorithm_strings - [auth_xform->algo]); - return -ENOTSUP; - } - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_ZUC_3G_128_EIA3; - break; - case RTE_CRYPTO_AUTH_SHA1: - case RTE_CRYPTO_AUTH_SHA256: - case RTE_CRYPTO_AUTH_SHA512: - case RTE_CRYPTO_AUTH_SHA224: - case RTE_CRYPTO_AUTH_SHA384: - case RTE_CRYPTO_AUTH_MD5: - case RTE_CRYPTO_AUTH_AES_CMAC: - case RTE_CRYPTO_AUTH_AES_CBC_MAC: - PMD_DRV_LOG(ERR, "Crypto: Unsupported hash alg %u", - auth_xform->algo); - return -ENOTSUP; - default: - PMD_DRV_LOG(ERR, "Crypto: Undefined Hash algo %u specified", - auth_xform->algo); - return -EINVAL; - } - - session->auth_iv.offset = auth_xform->iv.offset; - session->auth_iv.length = auth_xform->iv.length; - - if (auth_xform->algo == RTE_CRYPTO_AUTH_AES_GMAC) { - if (auth_xform->op == RTE_CRYPTO_AUTH_OP_GENERATE) { - session->qat_cmd = ICP_QAT_FW_LA_CMD_CIPHER_HASH; - session->qat_dir = ICP_QAT_HW_CIPHER_ENCRYPT; - /* - * It needs to create cipher desc content first, - * then authentication - */ - if (qat_alg_aead_session_create_content_desc_cipher(session, - auth_xform->key.data, - auth_xform->key.length)) - return -EINVAL; - - if (qat_alg_aead_session_create_content_desc_auth(session, - key_data, - key_length, - 0, - auth_xform->digest_length, - auth_xform->op)) - return -EINVAL; - } else { - session->qat_cmd = ICP_QAT_FW_LA_CMD_HASH_CIPHER; - session->qat_dir = ICP_QAT_HW_CIPHER_DECRYPT; - /* - * It needs to create authentication desc content first, - * then cipher - */ - if (qat_alg_aead_session_create_content_desc_auth(session, - key_data, - key_length, - 0, - auth_xform->digest_length, - auth_xform->op)) - return -EINVAL; - - if (qat_alg_aead_session_create_content_desc_cipher(session, - auth_xform->key.data, - auth_xform->key.length)) - return -EINVAL; - } - /* Restore to authentication only only */ - session->qat_cmd = ICP_QAT_FW_LA_CMD_AUTH; - } else { - if (qat_alg_aead_session_create_content_desc_auth(session, - key_data, - key_length, - 0, - auth_xform->digest_length, - auth_xform->op)) - return -EINVAL; - } - - session->digest_length = auth_xform->digest_length; - return 0; -} - -int -qat_crypto_sym_configure_session_aead(struct rte_crypto_sym_xform *xform, - struct qat_session *session) -{ - struct rte_crypto_aead_xform *aead_xform = &xform->aead; - enum rte_crypto_auth_operation crypto_operation; - - /* - * Store AEAD IV parameters as cipher IV, - * to avoid unnecessary memory usage - */ - session->cipher_iv.offset = xform->aead.iv.offset; - session->cipher_iv.length = xform->aead.iv.length; - - switch (aead_xform->algo) { - case RTE_CRYPTO_AEAD_AES_GCM: - if (qat_alg_validate_aes_key(aead_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid AES key size"); - return -EINVAL; - } - session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE; - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_GALOIS_128; - break; - case RTE_CRYPTO_AEAD_AES_CCM: - if (qat_alg_validate_aes_key(aead_xform->key.length, - &session->qat_cipher_alg) != 0) { - PMD_DRV_LOG(ERR, "Invalid AES key size"); - return -EINVAL; - } - session->qat_mode = ICP_QAT_HW_CIPHER_CTR_MODE; - session->qat_hash_alg = ICP_QAT_HW_AUTH_ALGO_AES_CBC_MAC; - break; - default: - PMD_DRV_LOG(ERR, "Crypto: Undefined AEAD specified %u\n", - aead_xform->algo); - return -EINVAL; - } - - if ((aead_xform->op == RTE_CRYPTO_AEAD_OP_ENCRYPT && - aead_xform->algo == RTE_CRYPTO_AEAD_AES_GCM) || - (aead_xform->op == RTE_CRYPTO_AEAD_OP_DECRYPT && - aead_xform->algo == RTE_CRYPTO_AEAD_AES_CCM)) { - session->qat_dir = ICP_QAT_HW_CIPHER_ENCRYPT; - /* - * It needs to create cipher desc content first, - * then authentication - */ - - crypto_operation = aead_xform->algo == RTE_CRYPTO_AEAD_AES_GCM ? - RTE_CRYPTO_AUTH_OP_GENERATE : RTE_CRYPTO_AUTH_OP_VERIFY; - - if (qat_alg_aead_session_create_content_desc_cipher(session, - aead_xform->key.data, - aead_xform->key.length)) - return -EINVAL; - - if (qat_alg_aead_session_create_content_desc_auth(session, - aead_xform->key.data, - aead_xform->key.length, - aead_xform->aad_length, - aead_xform->digest_length, - crypto_operation)) - return -EINVAL; - } else { - session->qat_dir = ICP_QAT_HW_CIPHER_DECRYPT; - /* - * It needs to create authentication desc content first, - * then cipher - */ - - crypto_operation = aead_xform->algo == RTE_CRYPTO_AEAD_AES_GCM ? - RTE_CRYPTO_AUTH_OP_VERIFY : RTE_CRYPTO_AUTH_OP_GENERATE; - - if (qat_alg_aead_session_create_content_desc_auth(session, - aead_xform->key.data, - aead_xform->key.length, - aead_xform->aad_length, - aead_xform->digest_length, - crypto_operation)) - return -EINVAL; - - if (qat_alg_aead_session_create_content_desc_cipher(session, - aead_xform->key.data, - aead_xform->key.length)) - return -EINVAL; - } - - session->digest_length = aead_xform->digest_length; - return 0; -} - -unsigned qat_crypto_sym_get_session_private_size( - struct rte_cryptodev *dev __rte_unused) -{ - return RTE_ALIGN_CEIL(sizeof(struct qat_session), 8); -} - -static inline uint32_t -qat_bpicipher_preprocess(struct qat_session *ctx, - struct rte_crypto_op *op) -{ - int block_len = qat_cipher_get_block_size(ctx->qat_cipher_alg); - struct rte_crypto_sym_op *sym_op = op->sym; - uint8_t last_block_len = block_len > 0 ? - sym_op->cipher.data.length % block_len : 0; - - if (last_block_len && - ctx->qat_dir == ICP_QAT_HW_CIPHER_DECRYPT) { - - /* Decrypt last block */ - uint8_t *last_block, *dst, *iv; - uint32_t last_block_offset = sym_op->cipher.data.offset + - sym_op->cipher.data.length - last_block_len; - last_block = (uint8_t *) rte_pktmbuf_mtod_offset(sym_op->m_src, - uint8_t *, last_block_offset); - - if (unlikely(sym_op->m_dst != NULL)) - /* out-of-place operation (OOP) */ - dst = (uint8_t *) rte_pktmbuf_mtod_offset(sym_op->m_dst, - uint8_t *, last_block_offset); - else - dst = last_block; - - if (last_block_len < sym_op->cipher.data.length) - /* use previous block ciphertext as IV */ - iv = last_block - block_len; - else - /* runt block, i.e. less than one full block */ - iv = rte_crypto_op_ctod_offset(op, uint8_t *, - ctx->cipher_iv.offset); - -#ifdef RTE_LIBRTE_PMD_QAT_DEBUG_TX - rte_hexdump(stdout, "BPI: src before pre-process:", last_block, - last_block_len); - if (sym_op->m_dst != NULL) - rte_hexdump(stdout, "BPI: dst before pre-process:", dst, - last_block_len); -#endif - bpi_cipher_decrypt(last_block, dst, iv, block_len, - last_block_len, ctx->bpi_ctx); -#ifdef RTE_LIBRTE_PMD_QAT_DEBUG_TX - rte_hexdump(stdout, "BPI: src after pre-process:", last_block, - last_block_len); - if (sym_op->m_dst != NULL) - rte_hexdump(stdout, "BPI: dst after pre-process:", dst, - last_block_len); -#endif - } - - return sym_op->cipher.data.length - last_block_len; -} - -static inline uint32_t -qat_bpicipher_postprocess(struct qat_session *ctx, - struct rte_crypto_op *op) -{ - int block_len = qat_cipher_get_block_size(ctx->qat_cipher_alg); - struct rte_crypto_sym_op *sym_op = op->sym; - uint8_t last_block_len = block_len > 0 ? - sym_op->cipher.data.length % block_len : 0; - - if (last_block_len > 0 && - ctx->qat_dir == ICP_QAT_HW_CIPHER_ENCRYPT) { - - /* Encrypt last block */ - uint8_t *last_block, *dst, *iv; - uint32_t last_block_offset; - - last_block_offset = sym_op->cipher.data.offset + - sym_op->cipher.data.length - last_block_len; - last_block = (uint8_t *) rte_pktmbuf_mtod_offset(sym_op->m_src, - uint8_t *, last_block_offset); - - if (unlikely(sym_op->m_dst != NULL)) - /* out-of-place operation (OOP) */ - dst = (uint8_t *) rte_pktmbuf_mtod_offset(sym_op->m_dst, - uint8_t *, last_block_offset); - else - dst = last_block; - - if (last_block_len < sym_op->cipher.data.length) - /* use previous block ciphertext as IV */ - iv = dst - block_len; - else - /* runt block, i.e. less than one full block */ - iv = rte_crypto_op_ctod_offset(op, uint8_t *, - ctx->cipher_iv.offset); - -#ifdef RTE_LIBRTE_PMD_QAT_DEBUG_RX - rte_hexdump(stdout, "BPI: src before post-process:", last_block, - last_block_len); - if (sym_op->m_dst != NULL) - rte_hexdump(stdout, "BPI: dst before post-process:", - dst, last_block_len); -#endif - bpi_cipher_encrypt(last_block, dst, iv, block_len, - last_block_len, ctx->bpi_ctx); -#ifdef RTE_LIBRTE_PMD_QAT_DEBUG_RX - rte_hexdump(stdout, "BPI: src after post-process:", last_block, - last_block_len); - if (sym_op->m_dst != NULL) - rte_hexdump(stdout, "BPI: dst after post-process:", dst, - last_block_len); -#endif - } - return sym_op->cipher.data.length - last_block_len; -} - -static inline void -txq_write_tail(struct qat_qp *qp, struct qat_queue *q) { - WRITE_CSR_RING_TAIL(qp->mmap_bar_addr, q->hw_bundle_number, - q->hw_queue_number, q->tail); - q->nb_pending_requests = 0; - q->csr_tail = q->tail; -} - -uint16_t -qat_pmd_enqueue_op_burst(void *qp, struct rte_crypto_op **ops, - uint16_t nb_ops) -{ - register struct qat_queue *queue; - struct qat_qp *tmp_qp = (struct qat_qp *)qp; - register uint32_t nb_ops_sent = 0; - register struct rte_crypto_op **cur_op = ops; - register int ret; - uint16_t nb_ops_possible = nb_ops; - register uint8_t *base_addr; - register uint32_t tail; - int overflow; - - if (unlikely(nb_ops == 0)) - return 0; - - /* read params used a lot in main loop into registers */ - queue = &(tmp_qp->tx_q); - base_addr = (uint8_t *)queue->base_addr; - tail = queue->tail; - - /* Find how many can actually fit on the ring */ - tmp_qp->inflights16 += nb_ops; - overflow = tmp_qp->inflights16 - queue->max_inflights; - if (overflow > 0) { - tmp_qp->inflights16 -= overflow; - nb_ops_possible = nb_ops - overflow; - if (nb_ops_possible == 0) - return 0; - } - - while (nb_ops_sent != nb_ops_possible) { - ret = qat_write_hw_desc_entry(*cur_op, base_addr + tail, - tmp_qp->op_cookies[tail / queue->msg_size], tmp_qp); - if (ret != 0) { - tmp_qp->stats.enqueue_err_count++; - /* - * This message cannot be enqueued, - * decrease number of ops that wasn't sent - */ - tmp_qp->inflights16 -= nb_ops_possible - nb_ops_sent; - if (nb_ops_sent == 0) - return 0; - goto kick_tail; - } - - tail = adf_modulo(tail + queue->msg_size, queue->modulo); - nb_ops_sent++; - cur_op++; - } -kick_tail: - queue->tail = tail; - tmp_qp->stats.enqueued_count += nb_ops_sent; - queue->nb_pending_requests += nb_ops_sent; - if (tmp_qp->inflights16 < QAT_CSR_TAIL_FORCE_WRITE_THRESH || - queue->nb_pending_requests > QAT_CSR_TAIL_WRITE_THRESH) { - txq_write_tail(tmp_qp, queue); - } - return nb_ops_sent; -} - -static inline -void rxq_free_desc(struct qat_qp *qp, struct qat_queue *q) -{ - uint32_t old_head, new_head; - uint32_t max_head; - - old_head = q->csr_head; - new_head = q->head; - max_head = qp->nb_descriptors * q->msg_size; - - /* write out free descriptors */ - void *cur_desc = (uint8_t *)q->base_addr + old_head; - - if (new_head < old_head) { - memset(cur_desc, ADF_RING_EMPTY_SIG_BYTE, max_head - old_head); - memset(q->base_addr, ADF_RING_EMPTY_SIG_BYTE, new_head); - } else { - memset(cur_desc, ADF_RING_EMPTY_SIG_BYTE, new_head - old_head); - } - q->nb_processed_responses = 0; - q->csr_head = new_head; - - /* write current head to CSR */ - WRITE_CSR_RING_HEAD(qp->mmap_bar_addr, q->hw_bundle_number, - q->hw_queue_number, new_head); -} - -uint16_t -qat_pmd_dequeue_op_burst(void *qp, struct rte_crypto_op **ops, - uint16_t nb_ops) -{ - struct qat_queue *rx_queue, *tx_queue; - struct qat_qp *tmp_qp = (struct qat_qp *)qp; - uint32_t msg_counter = 0; - struct rte_crypto_op *rx_op; - struct icp_qat_fw_comn_resp *resp_msg; - uint32_t head; - - rx_queue = &(tmp_qp->rx_q); - tx_queue = &(tmp_qp->tx_q); - head = rx_queue->head; - resp_msg = (struct icp_qat_fw_comn_resp *) - ((uint8_t *)rx_queue->base_addr + head); - - while (*(uint32_t *)resp_msg != ADF_RING_EMPTY_SIG && - msg_counter != nb_ops) { - rx_op = (struct rte_crypto_op *)(uintptr_t) - (resp_msg->opaque_data); - -#ifdef RTE_LIBRTE_PMD_QAT_DEBUG_RX - rte_hexdump(stdout, "qat_response:", (uint8_t *)resp_msg, - sizeof(struct icp_qat_fw_comn_resp)); -#endif - if (ICP_QAT_FW_COMN_STATUS_FLAG_OK != - ICP_QAT_FW_COMN_RESP_CRYPTO_STAT_GET( - resp_msg->comn_hdr.comn_status)) { - rx_op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED; - } else { - struct qat_session *sess = (struct qat_session *) - get_session_private_data( - rx_op->sym->session, - cryptodev_qat_driver_id); - - if (sess->bpi_ctx) - qat_bpicipher_postprocess(sess, rx_op); - rx_op->status = RTE_CRYPTO_OP_STATUS_SUCCESS; - } - - head = adf_modulo(head + rx_queue->msg_size, rx_queue->modulo); - resp_msg = (struct icp_qat_fw_comn_resp *) - ((uint8_t *)rx_queue->base_addr + head); - *ops = rx_op; - ops++; - msg_counter++; - } - if (msg_counter > 0) { - rx_queue->head = head; - tmp_qp->stats.dequeued_count += msg_counter; - rx_queue->nb_processed_responses += msg_counter; - tmp_qp->inflights16 -= msg_counter; - - if (rx_queue->nb_processed_responses > QAT_CSR_HEAD_WRITE_THRESH) - rxq_free_desc(tmp_qp, rx_queue); - } - /* also check if tail needs to be advanced */ - if (tmp_qp->inflights16 <= QAT_CSR_TAIL_FORCE_WRITE_THRESH && - tx_queue->tail != tx_queue->csr_tail) { - txq_write_tail(tmp_qp, tx_queue); - } - return msg_counter; -} - -static inline int -qat_sgl_fill_array(struct rte_mbuf *buf, uint64_t buff_start, - struct qat_alg_buf_list *list, uint32_t data_len) -{ - int nr = 1; - - uint32_t buf_len = rte_pktmbuf_iova(buf) - - buff_start + rte_pktmbuf_data_len(buf); - - list->bufers[0].addr = buff_start; - list->bufers[0].resrvd = 0; - list->bufers[0].len = buf_len; - - if (data_len <= buf_len) { - list->num_bufs = nr; - list->bufers[0].len = data_len; - return 0; - } - - buf = buf->next; - while (buf) { - if (unlikely(nr == QAT_SGL_MAX_NUMBER)) { - PMD_DRV_LOG(ERR, "QAT PMD exceeded size of QAT SGL" - " entry(%u)", - QAT_SGL_MAX_NUMBER); - return -EINVAL; - } - - list->bufers[nr].len = rte_pktmbuf_data_len(buf); - list->bufers[nr].resrvd = 0; - list->bufers[nr].addr = rte_pktmbuf_iova(buf); - - buf_len += list->bufers[nr].len; - buf = buf->next; - - if (buf_len > data_len) { - list->bufers[nr].len -= - buf_len - data_len; - buf = NULL; - } - ++nr; - } - list->num_bufs = nr; - - return 0; -} - -static inline void -set_cipher_iv(uint16_t iv_length, uint16_t iv_offset, - struct icp_qat_fw_la_cipher_req_params *cipher_param, - struct rte_crypto_op *op, - struct icp_qat_fw_la_bulk_req *qat_req) -{ - /* copy IV into request if it fits */ - if (iv_length <= sizeof(cipher_param->u.cipher_IV_array)) { - rte_memcpy(cipher_param->u.cipher_IV_array, - rte_crypto_op_ctod_offset(op, uint8_t *, - iv_offset), - iv_length); - } else { - ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET( - qat_req->comn_hdr.serv_specif_flags, - ICP_QAT_FW_CIPH_IV_64BIT_PTR); - cipher_param->u.s.cipher_IV_ptr = - rte_crypto_op_ctophys_offset(op, - iv_offset); - } -} - -/** Set IV for CCM is special case, 0th byte is set to q-1 - * where q is padding of nonce in 16 byte block - */ -static inline void -set_cipher_iv_ccm(uint16_t iv_length, uint16_t iv_offset, - struct icp_qat_fw_la_cipher_req_params *cipher_param, - struct rte_crypto_op *op, uint8_t q, uint8_t aad_len_field_sz) -{ - rte_memcpy(((uint8_t *)cipher_param->u.cipher_IV_array) + - ICP_QAT_HW_CCM_NONCE_OFFSET, - rte_crypto_op_ctod_offset(op, uint8_t *, - iv_offset) + ICP_QAT_HW_CCM_NONCE_OFFSET, - iv_length); - *(uint8_t *)&cipher_param->u.cipher_IV_array[0] = - q - ICP_QAT_HW_CCM_NONCE_OFFSET; - - if (aad_len_field_sz) - rte_memcpy(&op->sym->aead.aad.data[ICP_QAT_HW_CCM_NONCE_OFFSET], - rte_crypto_op_ctod_offset(op, uint8_t *, - iv_offset) + ICP_QAT_HW_CCM_NONCE_OFFSET, - iv_length); -} - -static inline int -qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg, - struct qat_crypto_op_cookie *qat_op_cookie, struct qat_qp *qp) -{ - int ret = 0; - struct qat_session *ctx; - struct icp_qat_fw_la_cipher_req_params *cipher_param; - struct icp_qat_fw_la_auth_req_params *auth_param; - register struct icp_qat_fw_la_bulk_req *qat_req; - uint8_t do_auth = 0, do_cipher = 0, do_aead = 0; - uint32_t cipher_len = 0, cipher_ofs = 0; - uint32_t auth_len = 0, auth_ofs = 0; - uint32_t min_ofs = 0; - uint64_t src_buf_start = 0, dst_buf_start = 0; - uint8_t do_sgl = 0; - -#ifdef RTE_LIBRTE_PMD_QAT_DEBUG_TX - if (unlikely(op->type != RTE_CRYPTO_OP_TYPE_SYMMETRIC)) { - PMD_DRV_LOG(ERR, "QAT PMD only supports symmetric crypto " - "operation requests, op (%p) is not a " - "symmetric operation.", op); - return -EINVAL; - } -#endif - if (unlikely(op->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) { - PMD_DRV_LOG(ERR, "QAT PMD only supports session oriented" - " requests, op (%p) is sessionless.", op); - return -EINVAL; - } - - ctx = (struct qat_session *)get_session_private_data( - op->sym->session, cryptodev_qat_driver_id); - - if (unlikely(ctx == NULL)) { - PMD_DRV_LOG(ERR, "Session was not created for this device"); - return -EINVAL; - } - - if (unlikely(ctx->min_qat_dev_gen > qp->qat_dev_gen)) { - PMD_DRV_LOG(ERR, "Session alg not supported on this device gen"); - op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION; - return -EINVAL; - } - - - - qat_req = (struct icp_qat_fw_la_bulk_req *)out_msg; - rte_mov128((uint8_t *)qat_req, (const uint8_t *)&(ctx->fw_req)); - qat_req->comn_mid.opaque_data = (uint64_t)(uintptr_t)op; - cipher_param = (void *)&qat_req->serv_specif_rqpars; - auth_param = (void *)((uint8_t *)cipher_param + sizeof(*cipher_param)); - - if (ctx->qat_cmd == ICP_QAT_FW_LA_CMD_HASH_CIPHER || - ctx->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER_HASH) { - /* AES-GCM or AES-CCM */ - if (ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_128 || - ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_64 || - (ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_AES128 - && ctx->qat_mode == ICP_QAT_HW_CIPHER_CTR_MODE - && ctx->qat_hash_alg == - ICP_QAT_HW_AUTH_ALGO_AES_CBC_MAC)) { - do_aead = 1; - } else { - do_auth = 1; - do_cipher = 1; - } - } else if (ctx->qat_cmd == ICP_QAT_FW_LA_CMD_AUTH) { - do_auth = 1; - do_cipher = 0; - } else if (ctx->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER) { - do_auth = 0; - do_cipher = 1; - } - - if (do_cipher) { - - if (ctx->qat_cipher_alg == - ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2 || - ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_KASUMI || - ctx->qat_cipher_alg == - ICP_QAT_HW_CIPHER_ALGO_ZUC_3G_128_EEA3) { - - if (unlikely( - (cipher_param->cipher_length % BYTE_LENGTH != 0) - || (cipher_param->cipher_offset - % BYTE_LENGTH != 0))) { - PMD_DRV_LOG(ERR, - "SNOW3G/KASUMI/ZUC in QAT PMD only supports byte aligned values"); - op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; - return -EINVAL; - } - cipher_len = op->sym->cipher.data.length >> 3; - cipher_ofs = op->sym->cipher.data.offset >> 3; - - } else if (ctx->bpi_ctx) { - /* DOCSIS - only send complete blocks to device - * Process any partial block using CFB mode. - * Even if 0 complete blocks, still send this to device - * to get into rx queue for post-process and dequeuing - */ - cipher_len = qat_bpicipher_preprocess(ctx, op); - cipher_ofs = op->sym->cipher.data.offset; - } else { - cipher_len = op->sym->cipher.data.length; - cipher_ofs = op->sym->cipher.data.offset; - } - - set_cipher_iv(ctx->cipher_iv.length, ctx->cipher_iv.offset, - cipher_param, op, qat_req); - min_ofs = cipher_ofs; - } - - if (do_auth) { - - if (ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2 || - ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_KASUMI_F9 || - ctx->qat_hash_alg == - ICP_QAT_HW_AUTH_ALGO_ZUC_3G_128_EIA3) { - if (unlikely((auth_param->auth_off % BYTE_LENGTH != 0) - || (auth_param->auth_len % BYTE_LENGTH != 0))) { - PMD_DRV_LOG(ERR, - "For SNOW3G/KASUMI/ZUC, QAT PMD only supports byte aligned values"); - op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; - return -EINVAL; - } - auth_ofs = op->sym->auth.data.offset >> 3; - auth_len = op->sym->auth.data.length >> 3; - - auth_param->u1.aad_adr = - rte_crypto_op_ctophys_offset(op, - ctx->auth_iv.offset); - - } else if (ctx->qat_hash_alg == - ICP_QAT_HW_AUTH_ALGO_GALOIS_128 || - ctx->qat_hash_alg == - ICP_QAT_HW_AUTH_ALGO_GALOIS_64) { - /* AES-GMAC */ - set_cipher_iv(ctx->auth_iv.length, - ctx->auth_iv.offset, - cipher_param, op, qat_req); - auth_ofs = op->sym->auth.data.offset; - auth_len = op->sym->auth.data.length; - - auth_param->u1.aad_adr = 0; - auth_param->u2.aad_sz = 0; - - /* - * If len(iv)==12B fw computes J0 - */ - if (ctx->auth_iv.length == 12) { - ICP_QAT_FW_LA_GCM_IV_LEN_FLAG_SET( - qat_req->comn_hdr.serv_specif_flags, - ICP_QAT_FW_LA_GCM_IV_LEN_12_OCTETS); - - } - } else { - auth_ofs = op->sym->auth.data.offset; - auth_len = op->sym->auth.data.length; - - } - min_ofs = auth_ofs; - - if (likely(ctx->qat_hash_alg != ICP_QAT_HW_AUTH_ALGO_NULL)) - auth_param->auth_res_addr = - op->sym->auth.digest.phys_addr; - - } - - if (do_aead) { - /* - * This address may used for setting AAD physical pointer - * into IV offset from op - */ - rte_iova_t aad_phys_addr_aead = op->sym->aead.aad.phys_addr; - if (ctx->qat_hash_alg == - ICP_QAT_HW_AUTH_ALGO_GALOIS_128 || - ctx->qat_hash_alg == - ICP_QAT_HW_AUTH_ALGO_GALOIS_64) { - /* - * If len(iv)==12B fw computes J0 - */ - if (ctx->cipher_iv.length == 12) { - ICP_QAT_FW_LA_GCM_IV_LEN_FLAG_SET( - qat_req->comn_hdr.serv_specif_flags, - ICP_QAT_FW_LA_GCM_IV_LEN_12_OCTETS); - } - - set_cipher_iv(ctx->cipher_iv.length, - ctx->cipher_iv.offset, - cipher_param, op, qat_req); - - } else if (ctx->qat_hash_alg == - ICP_QAT_HW_AUTH_ALGO_AES_CBC_MAC) { - - /* In case of AES-CCM this may point to user selected memory - * or iv offset in cypto_op - */ - uint8_t *aad_data = op->sym->aead.aad.data; - /* This is true AAD length, it not includes 18 bytes of - * preceding data - */ - uint8_t aad_ccm_real_len = 0; - - uint8_t aad_len_field_sz = 0; - uint32_t msg_len_be = - rte_bswap32(op->sym->aead.data.length); - - if (ctx->aad_len > ICP_QAT_HW_CCM_AAD_DATA_OFFSET) { - aad_len_field_sz = ICP_QAT_HW_CCM_AAD_LEN_INFO; - aad_ccm_real_len = ctx->aad_len - - ICP_QAT_HW_CCM_AAD_B0_LEN - - ICP_QAT_HW_CCM_AAD_LEN_INFO; - } else { - /* - * aad_len not greater than 18, so no actual aad data, - * then use IV after op for B0 block - */ - aad_data = rte_crypto_op_ctod_offset(op, uint8_t *, - ctx->cipher_iv.offset); - aad_phys_addr_aead = - rte_crypto_op_ctophys_offset(op, - ctx->cipher_iv.offset); - } - - uint8_t q = ICP_QAT_HW_CCM_NQ_CONST - ctx->cipher_iv.length; - - aad_data[0] = ICP_QAT_HW_CCM_BUILD_B0_FLAGS(aad_len_field_sz, - ctx->digest_length, q); - - if (q > ICP_QAT_HW_CCM_MSG_LEN_MAX_FIELD_SIZE) { - memcpy(aad_data + ctx->cipher_iv.length + - ICP_QAT_HW_CCM_NONCE_OFFSET - + (q - ICP_QAT_HW_CCM_MSG_LEN_MAX_FIELD_SIZE), - (uint8_t *)&msg_len_be, - ICP_QAT_HW_CCM_MSG_LEN_MAX_FIELD_SIZE); - } else { - memcpy(aad_data + ctx->cipher_iv.length + - ICP_QAT_HW_CCM_NONCE_OFFSET, - (uint8_t *)&msg_len_be - + (ICP_QAT_HW_CCM_MSG_LEN_MAX_FIELD_SIZE - - q), q); - } - - if (aad_len_field_sz > 0) { - *(uint16_t *)&aad_data[ICP_QAT_HW_CCM_AAD_B0_LEN] - = rte_bswap16(aad_ccm_real_len); - - if ((aad_ccm_real_len + aad_len_field_sz) - % ICP_QAT_HW_CCM_AAD_B0_LEN) { - uint8_t pad_len = 0; - uint8_t pad_idx = 0; - - pad_len = ICP_QAT_HW_CCM_AAD_B0_LEN - - ((aad_ccm_real_len + aad_len_field_sz) % - ICP_QAT_HW_CCM_AAD_B0_LEN); - pad_idx = ICP_QAT_HW_CCM_AAD_B0_LEN + - aad_ccm_real_len + aad_len_field_sz; - memset(&aad_data[pad_idx], - 0, pad_len); - } - - } - - set_cipher_iv_ccm(ctx->cipher_iv.length, - ctx->cipher_iv.offset, - cipher_param, op, q, - aad_len_field_sz); - - } - - cipher_len = op->sym->aead.data.length; - cipher_ofs = op->sym->aead.data.offset; - auth_len = op->sym->aead.data.length; - auth_ofs = op->sym->aead.data.offset; - - auth_param->u1.aad_adr = aad_phys_addr_aead; - auth_param->auth_res_addr = op->sym->aead.digest.phys_addr; - min_ofs = op->sym->aead.data.offset; - } - - if (op->sym->m_src->next || (op->sym->m_dst && op->sym->m_dst->next)) - do_sgl = 1; - - /* adjust for chain case */ - if (do_cipher && do_auth) - min_ofs = cipher_ofs < auth_ofs ? cipher_ofs : auth_ofs; - - if (unlikely(min_ofs >= rte_pktmbuf_data_len(op->sym->m_src) && do_sgl)) - min_ofs = 0; - - if (unlikely(op->sym->m_dst != NULL)) { - /* Out-of-place operation (OOP) - * Don't align DMA start. DMA the minimum data-set - * so as not to overwrite data in dest buffer - */ - src_buf_start = - rte_pktmbuf_iova_offset(op->sym->m_src, min_ofs); - dst_buf_start = - rte_pktmbuf_iova_offset(op->sym->m_dst, min_ofs); - - } else { - /* In-place operation - * Start DMA at nearest aligned address below min_ofs - */ - src_buf_start = - rte_pktmbuf_iova_offset(op->sym->m_src, min_ofs) - & QAT_64_BTYE_ALIGN_MASK; - - if (unlikely((rte_pktmbuf_iova(op->sym->m_src) - - rte_pktmbuf_headroom(op->sym->m_src)) - > src_buf_start)) { - /* alignment has pushed addr ahead of start of mbuf - * so revert and take the performance hit - */ - src_buf_start = - rte_pktmbuf_iova_offset(op->sym->m_src, - min_ofs); - } - dst_buf_start = src_buf_start; - } - - if (do_cipher || do_aead) { - cipher_param->cipher_offset = - (uint32_t)rte_pktmbuf_iova_offset( - op->sym->m_src, cipher_ofs) - src_buf_start; - cipher_param->cipher_length = cipher_len; - } else { - cipher_param->cipher_offset = 0; - cipher_param->cipher_length = 0; - } - - if (do_auth || do_aead) { - auth_param->auth_off = (uint32_t)rte_pktmbuf_iova_offset( - op->sym->m_src, auth_ofs) - src_buf_start; - auth_param->auth_len = auth_len; - } else { - auth_param->auth_off = 0; - auth_param->auth_len = 0; - } - - qat_req->comn_mid.dst_length = - qat_req->comn_mid.src_length = - (cipher_param->cipher_offset + cipher_param->cipher_length) - > (auth_param->auth_off + auth_param->auth_len) ? - (cipher_param->cipher_offset + cipher_param->cipher_length) - : (auth_param->auth_off + auth_param->auth_len); - - if (do_sgl) { - - ICP_QAT_FW_COMN_PTR_TYPE_SET(qat_req->comn_hdr.comn_req_flags, - QAT_COMN_PTR_TYPE_SGL); - ret = qat_sgl_fill_array(op->sym->m_src, src_buf_start, - &qat_op_cookie->qat_sgl_list_src, - qat_req->comn_mid.src_length); - if (ret) { - PMD_DRV_LOG(ERR, "QAT PMD Cannot fill sgl array"); - return ret; - } - - if (likely(op->sym->m_dst == NULL)) - qat_req->comn_mid.dest_data_addr = - qat_req->comn_mid.src_data_addr = - qat_op_cookie->qat_sgl_src_phys_addr; - else { - ret = qat_sgl_fill_array(op->sym->m_dst, - dst_buf_start, - &qat_op_cookie->qat_sgl_list_dst, - qat_req->comn_mid.dst_length); - - if (ret) { - PMD_DRV_LOG(ERR, "QAT PMD Cannot " - "fill sgl array"); - return ret; - } - - qat_req->comn_mid.src_data_addr = - qat_op_cookie->qat_sgl_src_phys_addr; - qat_req->comn_mid.dest_data_addr = - qat_op_cookie->qat_sgl_dst_phys_addr; - } - } else { - qat_req->comn_mid.src_data_addr = src_buf_start; - qat_req->comn_mid.dest_data_addr = dst_buf_start; - } - -#ifdef RTE_LIBRTE_PMD_QAT_DEBUG_TX - rte_hexdump(stdout, "qat_req:", qat_req, - sizeof(struct icp_qat_fw_la_bulk_req)); - rte_hexdump(stdout, "src_data:", - rte_pktmbuf_mtod(op->sym->m_src, uint8_t*), - rte_pktmbuf_data_len(op->sym->m_src)); - if (do_cipher) { - uint8_t *cipher_iv_ptr = rte_crypto_op_ctod_offset(op, - uint8_t *, - ctx->cipher_iv.offset); - rte_hexdump(stdout, "cipher iv:", cipher_iv_ptr, - ctx->cipher_iv.length); - } - - if (do_auth) { - if (ctx->auth_iv.length) { - uint8_t *auth_iv_ptr = rte_crypto_op_ctod_offset(op, - uint8_t *, - ctx->auth_iv.offset); - rte_hexdump(stdout, "auth iv:", auth_iv_ptr, - ctx->auth_iv.length); - } - rte_hexdump(stdout, "digest:", op->sym->auth.digest.data, - ctx->digest_length); - } - - if (do_aead) { - rte_hexdump(stdout, "digest:", op->sym->aead.digest.data, - ctx->digest_length); - rte_hexdump(stdout, "aad:", op->sym->aead.aad.data, - ctx->aad_len); - } -#endif - return 0; -} - -static inline uint32_t adf_modulo(uint32_t data, uint32_t shift) -{ - uint32_t div = data >> shift; - uint32_t mult = div << shift; - - return data - mult; -} - -int qat_dev_config(__rte_unused struct rte_cryptodev *dev, - __rte_unused struct rte_cryptodev_config *config) -{ - PMD_INIT_FUNC_TRACE(); - return 0; -} - -int qat_dev_start(__rte_unused struct rte_cryptodev *dev) -{ - PMD_INIT_FUNC_TRACE(); - return 0; -} - -void qat_dev_stop(__rte_unused struct rte_cryptodev *dev) -{ - PMD_INIT_FUNC_TRACE(); -} - -int qat_dev_close(struct rte_cryptodev *dev) -{ - int i, ret; - - PMD_INIT_FUNC_TRACE(); - - for (i = 0; i < dev->data->nb_queue_pairs; i++) { - ret = qat_crypto_sym_qp_release(dev, i); - if (ret < 0) - return ret; - } - - return 0; -} - -void qat_dev_info_get(struct rte_cryptodev *dev, - struct rte_cryptodev_info *info) -{ - struct qat_pmd_private *internals = dev->data->dev_private; - - PMD_INIT_FUNC_TRACE(); - if (info != NULL) { - info->max_nb_queue_pairs = - ADF_NUM_SYM_QPS_PER_BUNDLE * - ADF_NUM_BUNDLES_PER_DEV; - info->feature_flags = dev->feature_flags; - info->capabilities = internals->qat_dev_capabilities; - info->sym.max_nb_sessions = internals->max_nb_sessions; - info->driver_id = cryptodev_qat_driver_id; - info->pci_dev = RTE_DEV_TO_PCI(dev->device); - } -} - -void qat_crypto_sym_stats_get(struct rte_cryptodev *dev, - struct rte_cryptodev_stats *stats) -{ - int i; - struct qat_qp **qp = (struct qat_qp **)(dev->data->queue_pairs); - - PMD_INIT_FUNC_TRACE(); - if (stats == NULL) { - PMD_DRV_LOG(ERR, "invalid stats ptr NULL"); - return; - } - for (i = 0; i < dev->data->nb_queue_pairs; i++) { - if (qp[i] == NULL) { - PMD_DRV_LOG(DEBUG, "Uninitialised queue pair"); - continue; - } - - stats->enqueued_count += qp[i]->stats.enqueued_count; - stats->dequeued_count += qp[i]->stats.dequeued_count; - stats->enqueue_err_count += qp[i]->stats.enqueue_err_count; - stats->dequeue_err_count += qp[i]->stats.dequeue_err_count; - } -} - -void qat_crypto_sym_stats_reset(struct rte_cryptodev *dev) -{ - int i; - struct qat_qp **qp = (struct qat_qp **)(dev->data->queue_pairs); - - PMD_INIT_FUNC_TRACE(); - for (i = 0; i < dev->data->nb_queue_pairs; i++) - memset(&(qp[i]->stats), 0, sizeof(qp[i]->stats)); - PMD_DRV_LOG(DEBUG, "QAT crypto: stats cleared"); -} |