crypto/qat: add KASUMI

[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 01f35d1..198b551 100644 (file)
--- a/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
+++ b/drivers/crypto/qat/qat_adf/qat_algs_build_desc.c
@@ -96,6 +96,9 @@ static int qat_hash_get_state1_size(enum icp_qat_hw_auth_algo qat_hash_alg)
        case ICP_QAT_HW_AUTH_ALGO_MD5:
                return QAT_HW_ROUND_UP(ICP_QAT_HW_MD5_STATE1_SZ,
                                                QAT_HW_DEFAULT_ALIGNMENT);
+       case ICP_QAT_HW_AUTH_ALGO_KASUMI_F9:
+               return QAT_HW_ROUND_UP(ICP_QAT_HW_KASUMI_F9_STATE1_SZ,
+                                               QAT_HW_DEFAULT_ALIGNMENT);
        case ICP_QAT_HW_AUTH_ALGO_DELIMITER:
                /* return maximum state1 size in this case */
                return QAT_HW_ROUND_UP(ICP_QAT_HW_SHA512_STATE1_SZ,
@@ -453,7 +456,8 @@ int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cdesc,
        uint32_t total_key_size;
        uint16_t proto = ICP_QAT_FW_LA_NO_PROTO;        /* no CCM/GCM/Snow3G */
        uint16_t cipher_offset, cd_size;
-
+       uint32_t wordIndex  = 0;
+       uint32_t *temp_key = NULL;
        PMD_INIT_FUNC_TRACE();
 
        if (cdesc->qat_cmd == ICP_QAT_FW_LA_CMD_CIPHER) {
@@ -503,6 +507,11 @@ int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cdesc,
                cipher_cd_ctrl->cipher_state_sz =
                        ICP_QAT_HW_SNOW_3G_UEA2_IV_SZ >> 3;
                proto = ICP_QAT_FW_LA_SNOW_3G_PROTO;
+       } else if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_KASUMI) {
+               total_key_size = ICP_QAT_HW_KASUMI_F8_KEY_SZ;
+               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 {
                total_key_size = cipherkeylen;
                cipher_cd_ctrl->cipher_state_sz = ICP_QAT_HW_AES_BLK_SZ >> 3;
@@ -520,9 +529,27 @@ int qat_alg_aead_session_create_content_desc_cipher(struct qat_session *cdesc,
            ICP_QAT_HW_CIPHER_CONFIG_BUILD(cdesc->qat_mode,
                                        cdesc->qat_cipher_alg, key_convert,
                                        cdesc->qat_dir);
-       memcpy(cipher->aes.key, cipherkey, cipherkeylen);
-       cdesc->cd_cur_ptr += sizeof(struct icp_qat_hw_cipher_config) +
-                       cipherkeylen;
+
+       if (cdesc->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_KASUMI) {
+               temp_key = (uint32_t *)(cdesc->cd_cur_ptr +
+                                       sizeof(struct icp_qat_hw_cipher_config)
+                                       + cipherkeylen);
+               memcpy(cipher->aes.key, cipherkey, cipherkeylen);
+               memcpy(temp_key, cipherkey, cipherkeylen);
+
+               /* XOR Key with KASUMI F8 key modifier at 4 bytes level */
+               for (wordIndex = 0; wordIndex < (cipherkeylen >> 2);
+                                                               wordIndex++)
+                       temp_key[wordIndex] ^= KASUMI_F8_KEY_MODIFIER_4_BYTES;
+
+               cdesc->cd_cur_ptr += sizeof(struct icp_qat_hw_cipher_config) +
+                                       cipherkeylen + cipherkeylen;
+       } else {
+               memcpy(cipher->aes.key, cipherkey, cipherkeylen);
+               cdesc->cd_cur_ptr += sizeof(struct icp_qat_hw_cipher_config) +
+                                       cipherkeylen;
+       }
+
        if (total_key_size > cipherkeylen) {
                uint32_t padding_size =  total_key_size-cipherkeylen;
 
@@ -558,6 +585,8 @@ int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc,
        uint16_t state1_size = 0, state2_size = 0;
        uint16_t hash_offset, cd_size;
        uint32_t *aad_len = NULL;
+       uint32_t wordIndex  = 0;
+       uint32_t *pTempKey;
 
        PMD_INIT_FUNC_TRACE();
 
@@ -604,7 +633,8 @@ int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc,
                        ICP_QAT_HW_AUTH_CONFIG_BUILD(ICP_QAT_HW_AUTH_MODE1,
                                cdesc->qat_hash_alg, digestsize);
 
-       if (cdesc->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2)
+       if (cdesc->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2
+               || cdesc->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_KASUMI_F9)
                hash->auth_counter.counter = 0;
        else
                hash->auth_counter.counter = rte_bswap32(
@@ -721,6 +751,26 @@ int qat_alg_aead_session_create_content_desc_auth(struct qat_session *cdesc,
                break;
        case ICP_QAT_HW_AUTH_ALGO_NULL:
                break;
+       case ICP_QAT_HW_AUTH_ALGO_KASUMI_F9:
+               state1_size = qat_hash_get_state1_size(
+                               ICP_QAT_HW_AUTH_ALGO_KASUMI_F9);
+               state2_size = ICP_QAT_HW_KASUMI_F9_STATE2_SZ;
+               memset(cdesc->cd_cur_ptr, 0, state1_size + state2_size);
+               pTempKey = (uint32_t *)(cdesc->cd_cur_ptr + state1_size
+                                                       + authkeylen);
+               /*
+               * The Inner Hash Initial State2 block must contain IK
+               * (Initialisation Key), followed by IK XOR-ed with KM
+               * (Key Modifier): IK||(IK^KM).
+               */
+               /* write the auth key */
+               memcpy(cdesc->cd_cur_ptr + state1_size, authkey, authkeylen);
+               /* initialise temp key with auth key */
+               memcpy(pTempKey, authkey, authkeylen);
+               /* XOR Key with KASUMI F9 key modifier at 4 bytes level */
+               for (wordIndex = 0; wordIndex < (authkeylen >> 2); wordIndex++)
+                       pTempKey[wordIndex] ^= KASUMI_F9_KEY_MODIFIER_4_BYTES;
+               break;
        default:
                PMD_DRV_LOG(ERR, "Invalid HASH alg %u", cdesc->qat_hash_alg);
                return -EFAULT;
@@ -832,3 +882,15 @@ int qat_alg_validate_snow3g_key(int key_len, enum icp_qat_hw_cipher_algo *alg)
        }
        return 0;
 }
+
+int qat_alg_validate_kasumi_key(int key_len, enum icp_qat_hw_cipher_algo *alg)
+{
+       switch (key_len) {
+       case ICP_QAT_HW_KASUMI_KEY_SZ:
+               *alg = ICP_QAT_HW_CIPHER_ALGO_KASUMI;
+               break;
+       default:
+               return -EINVAL;
+       }
+       return 0;
+}