dpdk-cryptodev: add support chacha20-poly1305

[vpp.git] / src / plugins / dpdk / cryptodev / cryptodev.c

diff --git a/src/plugins/dpdk/cryptodev/cryptodev.c b/src/plugins/dpdk/cryptodev/cryptodev.c
index ab07e60..c2b8a08 100644 (file)
--- a/src/plugins/dpdk/cryptodev/cryptodev.c
+++ b/src/plugins/dpdk/cryptodev/cryptodev.c
@@ -29,7 +29,6 @@
 #include <rte_cryptodev.h>
 #include <rte_crypto_sym.h>
 #include <rte_crypto.h>
-#include <rte_cryptodev_pmd.h>
 #include <rte_config.h>
 
 #include "cryptodev.h"
@@ -52,12 +51,19 @@ prepare_aead_xform (struct rte_crypto_sym_xform *xform,
   xform->type = RTE_CRYPTO_SYM_XFORM_AEAD;
   xform->next = 0;
 
-  if (key->alg != VNET_CRYPTO_ALG_AES_128_GCM &&
-      key->alg != VNET_CRYPTO_ALG_AES_192_GCM &&
-      key->alg != VNET_CRYPTO_ALG_AES_256_GCM)
+  if (key->alg == VNET_CRYPTO_ALG_AES_128_GCM ||
+      key->alg == VNET_CRYPTO_ALG_AES_192_GCM ||
+      key->alg == VNET_CRYPTO_ALG_AES_256_GCM)
+    {
+      aead_xform->algo = RTE_CRYPTO_AEAD_AES_GCM;
+    }
+  else if (key->alg == VNET_CRYPTO_ALG_CHACHA20_POLY1305)
+    {
+      aead_xform->algo = RTE_CRYPTO_AEAD_CHACHA20_POLY1305;
+    }
+  else
     return -1;
 
-  aead_xform->algo = RTE_CRYPTO_AEAD_AES_GCM;
   aead_xform->op = (op_type == CRYPTODEV_OP_TYPE_ENCRYPT) ?
     RTE_CRYPTO_AEAD_OP_ENCRYPT : RTE_CRYPTO_AEAD_OP_DECRYPT;
   aead_xform->aad_length = aad_len;
@@ -380,6 +386,7 @@ cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx,
   struct rte_crypto_sym_xform xforms_enc[2] = { { 0 } };
   struct rte_crypto_sym_xform xforms_dec[2] = { { 0 } };
   struct rte_cryptodev_sym_session *sessions[CRYPTODEV_N_OP_TYPES] = { 0 };
+  struct rte_cryptodev_info dev_info;
   u32 numa_node = vm->numa_node;
   clib_error_t *error;
   int ret = 0;
@@ -447,8 +454,8 @@ cryptodev_session_create (vlib_main_t *vm, vnet_crypto_key_index_t idx,
   vec_foreach (dev_inst, cmt->cryptodev_inst)
     {
       u32 dev_id = dev_inst->dev_id;
-      struct rte_cryptodev *cdev = rte_cryptodev_pmd_get_dev (dev_id);
-      u32 driver_id = cdev->driver_id;
+      rte_cryptodev_info_get (dev_id, &dev_info);
+      u32 driver_id = dev_info.driver_id;
 
       /* if the session is already configured for the driver type, avoid
         configuring it again to increase the session data's refcnt */
@@ -1117,6 +1124,7 @@ dpdk_cryptodev_init (vlib_main_t * vm)
   cryptodev_engine_thread_t *cet;
   cryptodev_numa_data_t *numa_data;
   cryptodev_inst_t *dev_inst;
+  struct rte_cryptodev_info dev_info;
   u32 node;
   u8 nodes = 0;
   u32 skip_master = vlib_num_workers () > 0;
@@ -1150,8 +1158,8 @@ dpdk_cryptodev_init (vlib_main_t * vm)
   vec_foreach (dev_inst, cmt->cryptodev_inst)
     {
       u32 dev_id = dev_inst->dev_id;
-      struct rte_cryptodev *cdev = rte_cryptodev_pmd_get_dev (dev_id);
-      u32 driver_id = cdev->driver_id;
+      rte_cryptodev_info_get (dev_id, &dev_info);
+      u32 driver_id = dev_info.driver_id;
       is_drv_unique (driver_id, &unique_drivers);
 
       u32 sess_sz =