diff options
Diffstat (limited to 'drivers/crypto/qat')
| -rw-r--r-- | drivers/crypto/qat/qat_crypto.c | 70 | ||||
| -rw-r--r-- | drivers/crypto/qat/qat_crypto.h | 1 |
2 files changed, 36 insertions, 35 deletions
diff --git a/drivers/crypto/qat/qat_crypto.c b/drivers/crypto/qat/qat_crypto.c index 798cd982..a4119fcd 100644 --- a/drivers/crypto/qat/qat_crypto.c +++ b/drivers/crypto/qat/qat_crypto.c @@ -303,8 +303,8 @@ static const struct rte_cryptodev_capabilities qat_pmd_capabilities[] = { .increment = 8 }, .iv_size = { - .min = 16, - .max = 16, + .min = 12, + .max = 12, .increment = 0 } }, } @@ -956,7 +956,7 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg) uint32_t auth_len = 0, auth_ofs = 0; uint32_t min_ofs = 0; uint32_t digest_appended = 1; - uint64_t buf_start = 0; + uint64_t src_buf_start = 0, dst_buf_start = 0; #ifdef RTE_LIBRTE_PMD_QAT_DEBUG_TX @@ -1085,27 +1085,40 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg) if (do_cipher && do_auth) min_ofs = cipher_ofs < auth_ofs ? cipher_ofs : auth_ofs; - - /* Start DMA at nearest aligned address below min_ofs */ - #define QAT_64_BTYE_ALIGN_MASK (~0x3f) - buf_start = rte_pktmbuf_mtophys_offset(op->sym->m_src, min_ofs) & - QAT_64_BTYE_ALIGN_MASK; - - if (unlikely((rte_pktmbuf_mtophys(op->sym->m_src) - - rte_pktmbuf_headroom(op->sym->m_src)) > buf_start)) { - /* alignment has pushed addr ahead of start of mbuf - * so revert and take the performance hit + 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_mtophys_offset(op->sym->m_src, min_ofs); + dst_buf_start = + rte_pktmbuf_mtophys_offset(op->sym->m_dst, min_ofs); + } else { + /* In-place operation + * Start DMA at nearest aligned address below min_ofs */ - buf_start = rte_pktmbuf_mtophys(op->sym->m_src); + src_buf_start = + rte_pktmbuf_mtophys_offset(op->sym->m_src, min_ofs) + & QAT_64_BTYE_ALIGN_MASK; + + if (unlikely((rte_pktmbuf_mtophys(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_mtophys_offset(op->sym->m_src, + min_ofs); + } + dst_buf_start = src_buf_start; } - qat_req->comn_mid.dest_data_addr = - qat_req->comn_mid.src_data_addr = buf_start; - if (do_cipher) { cipher_param->cipher_offset = - (uint32_t)rte_pktmbuf_mtophys_offset( - op->sym->m_src, cipher_ofs) - buf_start; + (uint32_t)rte_pktmbuf_mtophys_offset( + op->sym->m_src, cipher_ofs) - src_buf_start; cipher_param->cipher_length = cipher_len; } else { cipher_param->cipher_offset = 0; @@ -1113,7 +1126,7 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg) } if (do_auth) { auth_param->auth_off = (uint32_t)rte_pktmbuf_mtophys_offset( - op->sym->m_src, auth_ofs) - buf_start; + op->sym->m_src, auth_ofs) - src_buf_start; auth_param->auth_len = auth_len; } else { auth_param->auth_off = 0; @@ -1134,21 +1147,8 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg) qat_req->comn_mid.src_length += op->sym->auth.digest.length; } - - /* out-of-place operation (OOP) */ - if (unlikely(op->sym->m_dst != NULL)) { - - if (do_auth) - qat_req->comn_mid.dest_data_addr = - rte_pktmbuf_mtophys_offset(op->sym->m_dst, - auth_ofs) - - auth_param->auth_off; - else - qat_req->comn_mid.dest_data_addr = - rte_pktmbuf_mtophys_offset(op->sym->m_dst, - cipher_ofs) - - cipher_param->cipher_offset; - } + qat_req->comn_mid.src_data_addr = src_buf_start; + qat_req->comn_mid.dest_data_addr = dst_buf_start; if (ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_128 || ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_64) { diff --git a/drivers/crypto/qat/qat_crypto.h b/drivers/crypto/qat/qat_crypto.h index 0afe74ee..6b844881 100644 --- a/drivers/crypto/qat/qat_crypto.h +++ b/drivers/crypto/qat/qat_crypto.h @@ -43,6 +43,7 @@ */ #define ALIGN_POW2_ROUNDUP(num, align) \ (((num) + (align) - 1) & ~((align) - 1)) +#define QAT_64_BTYE_ALIGN_MASK (~0x3f) /** * Structure associated with each queue. |