crypto/qat: rework request builder for performance

[dpdk.git] / drivers / crypto / qat / qat_adf / qat_algs_build_desc.c

diff --git a/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c b/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
index 90af1b8..8900668 100644 (file)
--- a/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
+++ b/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
@@ -512,6 +512,10 @@ int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cdesc,
                cipher_cd_ctrl->cipher_state_sz = ICP_QAT_HW_KASUMI_BLK_SZ >> 3;
                cipher_cd_ctrl->cipher_padding_sz =
                                        (2 * ICP_QAT_HW_KASUMI_BLK_SZ) >> 3;
+       } else if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_3DES) {
+               total_key_size = ICP_QAT_HW_3DES_KEY_SZ;
+               cipher_cd_ctrl->cipher_state_sz = ICP_QAT_HW_3DES_BLK_SZ >> 3;
+               proto = ICP_QAT_FW_LA_PROTO_GET(header->serv_specif_flags);
        } else {
                total_key_size = cipherkeylen;
                cipher_cd_ctrl->cipher_state_sz = ICP_QAT_HW_AES_BLK_SZ >> 3;
@@ -553,8 +557,12 @@ int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cdesc,
 
        if (total_key_size > cipherkeylen) {
                uint32_t padding_size =  total_key_size-cipherkeylen;
-
-               memset(cdesc->cd_cur_ptr, 0, padding_size);
+               if ((cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_3DES)
+                       && (cipherkeylen == QAT_3DES_KEY_SZ_OPT2))
+                       /* K3 not provided so use K1 = K3*/
+                       memcpy(cdesc->cd_cur_ptr, cipherkey, padding_size);
+               else
+                       memset(cdesc->cd_cur_ptr, 0, padding_size);
                cdesc->cd_cur_ptr += padding_size;
        }
        cd_size = cdesc->cd_cur_ptr-(uint8_t *)&cdesc->cd;
@@ -617,11 +625,13 @@ int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc,
                                ICP_QAT_FW_LA_NO_RET_AUTH_RES);
                ICP_QAT_FW_LA_CMP_AUTH_SET(header->serv_specif_flags,
                                ICP_QAT_FW_LA_CMP_AUTH_RES);
+               cdesc->auth_op = ICP_QAT_HW_AUTH_VERIFY;
        } else {
                ICP_QAT_FW_LA_RET_AUTH_SET(header->serv_specif_flags,
                                           ICP_QAT_FW_LA_RET_AUTH_RES);
                ICP_QAT_FW_LA_CMP_AUTH_SET(header->serv_specif_flags,
                                           ICP_QAT_FW_LA_NO_CMP_AUTH_RES);
+               cdesc->auth_op = ICP_QAT_HW_AUTH_GENERATE;
        }
 
        /*
@@ -845,3 +855,16 @@ int qat_alg_validate_kasumi_key(int key_len, enum icp_qat_hw_cipher_algo *alg)
        }
        return 0;
 }
+
+int qat_alg_validate_3des_key(int key_len, enum icp_qat_hw_cipher_algo *alg)
+{
+       switch (key_len) {
+       case QAT_3DES_KEY_SZ_OPT1:
+       case QAT_3DES_KEY_SZ_OPT2:
+               *alg = ICP_QAT_HW_CIPHER_ALGO_3DES;
+               break;
+       default:
+               return -EINVAL;
+       }
+       return 0;
+}