cryptodev: pass IV as offset
[dpdk.git] / drivers / crypto / qat / qat_crypto.c
index 9678a70..b7f891b 100644 (file)
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2015-2017 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -60,6 +60,7 @@
 #include <rte_spinlock.h>
 #include <rte_hexdump.h>
 #include <rte_crypto_sym.h>
+#include <rte_cryptodev_pci.h>
 #include <openssl/evp.h>
 
 #include "qat_logs.h"
@@ -69,7 +70,7 @@
 
 #define BYTE_LENGTH    8
 
-static int __rte_unused
+static int
 qat_is_cipher_alg_supported(enum rte_crypto_cipher_algorithm algo,
                struct qat_pmd_private *internals) {
        int i = 0;
@@ -89,7 +90,7 @@ qat_is_cipher_alg_supported(enum rte_crypto_cipher_algorithm algo,
        return 0;
 }
 
-static int __rte_unused
+static int
 qat_is_auth_alg_supported(enum rte_crypto_auth_algorithm algo,
                struct qat_pmd_private *internals) {
        int i = 0;
@@ -287,11 +288,11 @@ qat_get_cipher_xform(struct rte_crypto_sym_xform *xform)
        return NULL;
 }
 void *
-qat_crypto_sym_configure_session_cipher(struct rte_cryptodev *dev __rte_unused,
+qat_crypto_sym_configure_session_cipher(struct rte_cryptodev *dev,
                struct rte_crypto_sym_xform *xform, void *session_private)
 {
        struct qat_session *session = session_private;
-
+       struct qat_pmd_private *internals = dev->data->dev_private;
        struct rte_crypto_cipher_xform *cipher_xform = NULL;
 
        /* Get cipher xform from crypto xform chain */
@@ -397,13 +398,27 @@ qat_crypto_sym_configure_session_cipher(struct rte_cryptodev *dev __rte_unused,
                }
                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]);
+                       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");
+                       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_CCM:
        case RTE_CRYPTO_CIPHER_AES_F8:
        case RTE_CRYPTO_CIPHER_AES_XTS:
        case RTE_CRYPTO_CIPHER_ARC4:
-       case RTE_CRYPTO_CIPHER_ZUC_EEA3:
                PMD_DRV_LOG(ERR, "Crypto QAT PMD: Unsupported Cipher alg %u",
                                cipher_xform->algo);
                goto error_out;
@@ -490,7 +505,7 @@ error_out:
 }
 
 struct qat_session *
-qat_crypto_sym_configure_session_auth(struct rte_cryptodev *dev __rte_unused,
+qat_crypto_sym_configure_session_auth(struct rte_cryptodev *dev,
                                struct rte_crypto_sym_xform *xform,
                                struct qat_session *session_private)
 {
@@ -498,6 +513,7 @@ qat_crypto_sym_configure_session_auth(struct rte_cryptodev *dev __rte_unused,
        struct qat_session *session = session_private;
        struct rte_crypto_auth_xform *auth_xform = NULL;
        struct rte_crypto_cipher_xform *cipher_xform = NULL;
+       struct qat_pmd_private *internals = dev->data->dev_private;
        auth_xform = qat_get_auth_xform(xform);
 
        switch (auth_xform->algo) {
@@ -537,6 +553,15 @@ qat_crypto_sym_configure_session_auth(struct rte_cryptodev *dev __rte_unused,
        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]);
+                       goto error_out;
+               }
+               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:
@@ -546,7 +571,6 @@ qat_crypto_sym_configure_session_auth(struct rte_cryptodev *dev __rte_unused,
        case RTE_CRYPTO_AUTH_AES_CCM:
        case RTE_CRYPTO_AUTH_AES_CMAC:
        case RTE_CRYPTO_AUTH_AES_CBC_MAC:
-       case RTE_CRYPTO_AUTH_ZUC_EIA3:
                PMD_DRV_LOG(ERR, "Crypto: Unsupported hash alg %u",
                                auth_xform->algo);
                goto error_out;
@@ -618,7 +642,8 @@ qat_bpicipher_preprocess(struct qat_session *ctx,
                        iv = last_block - block_len;
                else
                        /* runt block, i.e. less than one full block */
-                       iv = sym_op->cipher.iv.data;
+                       iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+                                       sym_op->cipher.iv.offset);
 
 #ifdef RTE_LIBRTE_PMD_QAT_DEBUG_TX
                rte_hexdump(stdout, "BPI: src before pre-process:", last_block,
@@ -673,7 +698,8 @@ qat_bpicipher_postprocess(struct qat_session *ctx,
                        iv = dst - block_len;
                else
                        /* runt block, i.e. less than one full block */
-                       iv = sym_op->cipher.iv.data;
+                       iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+                                       sym_op->cipher.iv.offset);
 
 #ifdef RTE_LIBRTE_PMD_QAT_DEBUG_RX
                rte_hexdump(stdout, "BPI: src before post-process:", last_block,
@@ -734,7 +760,7 @@ qat_pmd_enqueue_op_burst(void *qp, struct rte_crypto_op **ops,
                        tmp_qp->stats.enqueue_err_count++;
                        /*
                         * This message cannot be enqueued,
-                        * decrease number of ops that wasnt sent
+                        * decrease number of ops that wasn't sent
                         */
                        rte_atomic16_sub(&tmp_qp->inflights16,
                                        nb_ops_possible - nb_ops_sent);
@@ -777,6 +803,7 @@ qat_pmd_dequeue_op_burst(void *qp, struct rte_crypto_op **ops,
 #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(
@@ -873,6 +900,7 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg,
        uint32_t min_ofs = 0;
        uint64_t src_buf_start = 0, dst_buf_start = 0;
        uint8_t do_sgl = 0;
+       uint8_t *iv_ptr;
 
 
 #ifdef RTE_LIBRTE_PMD_QAT_DEBUG_TX
@@ -883,7 +911,7 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg,
                return -EINVAL;
        }
 #endif
-       if (unlikely(op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS)) {
+       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;
@@ -917,14 +945,16 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg,
 
                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_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 in QAT PMD only supports byte aligned values");
+                 "SNOW3G/KASUMI/ZUC in QAT PMD only supports byte aligned values");
                                op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
                                return -EINVAL;
                        }
@@ -944,18 +974,28 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg,
                        cipher_ofs = op->sym->cipher.data.offset;
                }
 
+               iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
+                                       op->sym->cipher.iv.offset);
                /* copy IV into request if it fits */
-               if (op->sym->cipher.iv.length && (op->sym->cipher.iv.length <=
-                               sizeof(cipher_param->u.cipher_IV_array))) {
-                       rte_memcpy(cipher_param->u.cipher_IV_array,
-                                       op->sym->cipher.iv.data,
-                                       op->sym->cipher.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 =
-                                       op->sym->cipher.iv.phys_addr;
+               /*
+                * If IV length is zero do not copy anything but still
+                * use request descriptor embedded IV
+                *
+                */
+               if (op->sym->cipher.iv.length) {
+                       if (op->sym->cipher.iv.length <=
+                                       sizeof(cipher_param->u.cipher_IV_array)) {
+                               rte_memcpy(cipher_param->u.cipher_IV_array,
+                                               iv_ptr,
+                                               op->sym->cipher.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,
+                                                       op->sym->cipher.iv.offset);
+                       }
                }
                min_ofs = cipher_ofs;
        }
@@ -963,11 +1003,13 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg,
        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_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, QAT PMD only supports byte aligned values");
+               "For SNOW3G/KASUMI/ZUC, QAT PMD only supports byte aligned values");
                                op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
                                return -EINVAL;
                        }
@@ -986,6 +1028,12 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg,
                                }
                        }
 
+               } else if (ctx->qat_hash_alg ==
+                                       ICP_QAT_HW_AUTH_ALGO_GALOIS_128 ||
+                               ctx->qat_hash_alg ==
+                                       ICP_QAT_HW_AUTH_ALGO_GALOIS_64) {
+                       auth_ofs = op->sym->cipher.data.offset;
+                       auth_len = op->sym->cipher.data.length;
                } else {
                        auth_ofs = op->sym->auth.data.offset;
                        auth_len = op->sym->auth.data.length;
@@ -1105,7 +1153,7 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg,
                        ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_64) {
                if (op->sym->cipher.iv.length == 12) {
                        /*
-                        * For GCM a 12 bit IV is allowed,
+                        * For GCM a 12 byte IV is allowed,
                         * but we need to inform the f/w
                         */
                        ICP_QAT_FW_LA_GCM_IV_LEN_FLAG_SET(
@@ -1137,12 +1185,16 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg,
        rte_hexdump(stdout, "src_data:",
                        rte_pktmbuf_mtod(op->sym->m_src, uint8_t*),
                        rte_pktmbuf_data_len(op->sym->m_src));
-       rte_hexdump(stdout, "iv:", op->sym->cipher.iv.data,
-                       op->sym->cipher.iv.length);
-       rte_hexdump(stdout, "digest:", op->sym->auth.digest.data,
-                       op->sym->auth.digest.length);
-       rte_hexdump(stdout, "aad:", op->sym->auth.aad.data,
-                       op->sym->auth.aad.length);
+       if (do_cipher)
+               rte_hexdump(stdout, "iv:", iv_ptr,
+                               op->sym->cipher.iv.length);
+
+       if (do_auth) {
+               rte_hexdump(stdout, "digest:", op->sym->auth.digest.data,
+                               op->sym->auth.digest.length);
+               rte_hexdump(stdout, "aad:", op->sym->auth.aad.data,
+                               op->sym->auth.aad.length);
+       }
 #endif
        return 0;
 }
@@ -1199,8 +1251,8 @@ int qat_dev_close(struct rte_cryptodev *dev)
        return 0;
 }
 
-void qat_dev_info_get(__rte_unused struct rte_cryptodev *dev,
-                               struct rte_cryptodev_info *info)
+void qat_dev_info_get(struct rte_cryptodev *dev,
+                       struct rte_cryptodev_info *info)
 {
        struct qat_pmd_private *internals = dev->data->dev_private;
 
@@ -1213,6 +1265,7 @@ void qat_dev_info_get(__rte_unused struct rte_cryptodev *dev,
                info->capabilities = internals->qat_dev_capabilities;
                info->sym.max_nb_sessions = internals->max_nb_sessions;
                info->dev_type = RTE_CRYPTODEV_QAT_SYM_PMD;
+               info->pci_dev = RTE_DEV_TO_PCI(dev->device);
        }
 }
 
@@ -1234,9 +1287,9 @@ void qat_crypto_sym_stats_get(struct rte_cryptodev *dev,
                }
 
                stats->enqueued_count += qp[i]->stats.enqueued_count;
-               stats->dequeued_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.enqueue_err_count;
+               stats->dequeue_err_count += qp[i]->stats.dequeue_err_count;
        }
 }