cryptodev: add bit-wise handling for SNOW 3G

[dpdk.git] / drivers / crypto / qat / qat_crypto.c

diff --git a/drivers/crypto/qat/qat_crypto.c b/drivers/crypto/qat/qat_crypto.c
index e0e506d..2bd1753 100644 (file)
--- a/drivers/crypto/qat/qat_crypto.c
+++ b/drivers/crypto/qat/qat_crypto.c
@@ -66,6 +66,7 @@
 #include "qat_crypto.h"
 #include "adf_transport_access_macros.h"
 
+#define BYTE_LENGTH    8
 
 static inline uint32_t
 adf_modulo(uint32_t data, uint32_t shift);
@@ -506,6 +507,19 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg)
 
        cipher_param->cipher_length = op->sym->cipher.data.length;
        cipher_param->cipher_offset = op->sym->cipher.data.offset;
+       if (ctx->qat_cipher_alg == ICP_QAT_HW_CIPHER_ALGO_SNOW_3G_UEA2) {
+               if (unlikely((cipher_param->cipher_length % BYTE_LENGTH != 0) ||
+                               (cipher_param->cipher_offset
+                                       % BYTE_LENGTH != 0))) {
+                       PMD_DRV_LOG(ERR, " For Snow3g, QAT PMD only "
+                               "supports byte aligned values");
+                       op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+                       return -EINVAL;
+               }
+               cipher_param->cipher_length >>= 3;
+               cipher_param->cipher_offset >>= 3;
+       }
+
        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,
@@ -525,7 +539,17 @@ qat_write_hw_desc_entry(struct rte_crypto_op *op, uint8_t *out_msg)
        }
        auth_param->auth_off = op->sym->auth.data.offset;
        auth_param->auth_len = op->sym->auth.data.length;
-
+       if (ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_SNOW_3G_UIA2) {
+               if (unlikely((auth_param->auth_off % BYTE_LENGTH != 0) ||
+                               (auth_param->auth_len % BYTE_LENGTH != 0))) {
+                       PMD_DRV_LOG(ERR, " For Snow3g, QAT PMD only "
+                               "supports byte aligned values");
+                       op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+                       return -EINVAL;
+               }
+               auth_param->auth_off >>= 3;
+               auth_param->auth_len >>= 3;
+       }
        auth_param->u1.aad_adr = op->sym->auth.aad.phys_addr;
        /* (GCM) aad length(240 max) will be at this location after precompute */
        if (ctx->qat_hash_alg == ICP_QAT_HW_AUTH_ALGO_GALOIS_128 ||