cryptodev: move IV parameters to session

[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 a8bcd9d..b21691f 100644 (file)
--- a/drivers/crypto/snow3g/rte_snow3g_pmd.c
+++ b/drivers/crypto/snow3g/rte_snow3g_pmd.c
@@ -116,6 +116,13 @@ snow3g_set_session_parameters(struct snow3g_session *sess,
                /* Only SNOW 3G UEA2 supported */
                if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_SNOW3G_UEA2)
                        return -EINVAL;
+
+               if (cipher_xform->cipher.iv.length != SNOW3G_IV_LENGTH) {
+                       SNOW3G_LOG_ERR("Wrong IV length");
+                       return -EINVAL;
+               }
+               sess->iv_offset = cipher_xform->cipher.iv.offset;
+
                /* Initialize key */
                sso_snow3g_init_key_sched(cipher_xform->cipher.key.data,
                                &sess->pKeySched_cipher);
@@ -174,17 +181,10 @@ process_snow3g_cipher_op(struct rte_crypto_op **ops,
        unsigned i;
        uint8_t processed_ops = 0;
        uint8_t *src[SNOW3G_MAX_BURST], *dst[SNOW3G_MAX_BURST];
-       uint8_t *IV[SNOW3G_MAX_BURST];
+       uint8_t *iv[SNOW3G_MAX_BURST];
        uint32_t num_bytes[SNOW3G_MAX_BURST];
 
        for (i = 0; i < num_ops; i++) {
-               /* Sanity checks. */
-               if (unlikely(ops[i]->sym->cipher.iv.length != SNOW3G_IV_LENGTH)) {
-                       ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
-                       SNOW3G_LOG_ERR("iv");
-                       break;
-               }
-
                src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
                                (ops[i]->sym->cipher.data.offset >> 3);
                dst[i] = ops[i]->sym->m_dst ?
@@ -192,13 +192,14 @@ process_snow3g_cipher_op(struct rte_crypto_op **ops,
                                (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;
+               iv[i] = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
+                               session->iv_offset);
                num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 
                processed_ops++;
        }
 
-       sso_snow3g_f8_n_buffer(&session->pKeySched_cipher, IV, src, dst,
+       sso_snow3g_f8_n_buffer(&session->pKeySched_cipher, iv, src, dst,
                        num_bytes, processed_ops);
 
        return processed_ops;
@@ -210,16 +211,9 @@ process_snow3g_cipher_op_bit(struct rte_crypto_op *op,
                struct snow3g_session *session)
 {
        uint8_t *src, *dst;
-       uint8_t *IV;
+       uint8_t *iv;
        uint32_t length_in_bits, offset_in_bits;
 
-       /* Sanity checks. */
-       if (unlikely(op->sym->cipher.iv.length != SNOW3G_IV_LENGTH)) {
-               op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
-               SNOW3G_LOG_ERR("iv");
-               return 0;
-       }
-
        offset_in_bits = op->sym->cipher.data.offset;
        src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
        if (op->sym->m_dst == NULL) {
@@ -228,10 +222,11 @@ process_snow3g_cipher_op_bit(struct rte_crypto_op *op,
                return 0;
        }
        dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
-       IV = op->sym->cipher.iv.data;
+       iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+                               session->iv_offset);
        length_in_bits = op->sym->cipher.data.length;
 
-       sso_snow3g_f8_1_buffer_bit(&session->pKeySched_cipher, IV,
+       sso_snow3g_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
                        src, dst, length_in_bits, offset_in_bits);
 
        return 1;