cryptodev: add bit-wise handling for SNOW 3G

[dpdk.git] / drivers / crypto / snow3g / rte_snow3g_pmd.c

diff --git a/drivers/crypto/snow3g/rte_snow3g_pmd.c b/drivers/crypto/snow3g/rte_snow3g_pmd.c
index c35e66e..6f84e5c 100644 (file)
--- a/drivers/crypto/snow3g/rte_snow3g_pmd.c
+++ b/drivers/crypto/snow3g/rte_snow3g_pmd.c
@@ -43,6 +43,7 @@
 #include "rte_snow3g_pmd_private.h"
 
 #define SNOW3G_MAX_BURST 8
+#define BYTE_LEN 8
 
 /**
  * Global static parameter used to create a unique name for each SNOW 3G
@@ -203,15 +204,23 @@ process_snow3g_cipher_op(struct rte_crypto_op **ops,
                        break;
                }
 
+               if (((ops[i]->sym->cipher.data.length % BYTE_LEN) != 0)
+                               || ((ops[i]->sym->cipher.data.offset
+                                       % BYTE_LEN) != 0)) {
+                       ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+                       SNOW3G_LOG_ERR("Data Length or offset");
+                       break;
+               }
+
                src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
-                               ops[i]->sym->cipher.data.offset;
+                               (ops[i]->sym->cipher.data.offset >> 3);
                dst[i] = ops[i]->sym->m_dst ?
-                               rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
-                                       ops[i]->sym->cipher.data.offset :
-                               rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
-                                       ops[i]->sym->cipher.data.offset;
+                       rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
+                               (ops[i]->sym->cipher.data.offset >> 3) :
+                       rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
+                               (ops[i]->sym->cipher.data.offset >> 3);
                IV[i] = ops[i]->sym->cipher.iv.data;
-               num_bytes[i] = ops[i]->sym->cipher.data.length;
+               num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 
                processed_ops++;
        }
@@ -246,10 +255,18 @@ process_snow3g_hash_op(struct rte_crypto_op **ops,
                        break;
                }
 
-               length_in_bits = ops[i]->sym->auth.data.length * 8;
+               if (((ops[i]->sym->auth.data.length % BYTE_LEN) != 0)
+                               || ((ops[i]->sym->auth.data.offset
+                                       % BYTE_LEN) != 0)) {
+                       ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+                       SNOW3G_LOG_ERR("Data Length or offset");
+                       break;
+               }
+
+               length_in_bits = ops[i]->sym->auth.data.length;
 
                src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
-                               ops[i]->sym->auth.data.offset;
+                               (ops[i]->sym->auth.data.offset >> 3);
 
                if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
                        dst = (uint8_t *)rte_pktmbuf_append(ops[i]->sym->m_src,