crypto/aesni_mb: update chain order for AES-CCM

[dpdk.git] / drivers / crypto / aesni_mb / rte_aesni_mb_pmd.c

diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
index b495a96..ce1144b 100644 (file)
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c
@@ -84,7 +84,25 @@ aesni_mb_get_chain_order(const struct rte_crypto_sym_xform *xform)
                if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
                        return AESNI_MB_OP_HASH_CIPHER;
        }
-
+#if IMB_VERSION_NUM > IMB_VERSION(0, 52, 0)
+       if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+               if (xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT) {
+                       /*
+                        * CCM requires to hash first and cipher later
+                        * when encrypting
+                        */
+                       if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_CCM)
+                               return AESNI_MB_OP_AEAD_HASH_CIPHER;
+                       else
+                               return AESNI_MB_OP_AEAD_CIPHER_HASH;
+               } else {
+                       if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_CCM)
+                               return AESNI_MB_OP_AEAD_CIPHER_HASH;
+                       else
+                               return AESNI_MB_OP_AEAD_HASH_CIPHER;
+               }
+       }
+#else
        if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
                if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_CCM ||
                                xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
@@ -94,6 +112,7 @@ aesni_mb_get_chain_order(const struct rte_crypto_sym_xform *xform)
                                return AESNI_MB_OP_AEAD_HASH_CIPHER;
                }
        }
+#endif
 
        return AESNI_MB_OP_NOT_SUPPORTED;
 }