wireguard: reduce memcopy and prefetch header

[vpp.git] / src / plugins / wireguard / wireguard_input.c

diff --git a/src/plugins/wireguard/wireguard_input.c b/src/plugins/wireguard/wireguard_input.c
index 4f5bd4d..3e8ae9b 100644 (file)
--- a/src/plugins/wireguard/wireguard_input.c
+++ b/src/plugins/wireguard/wireguard_input.c
@@ -366,15 +366,9 @@ wg_input_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
              goto out;
            }
 
-         u8 *decr_data = wmp->per_thread_data[thread_index].data;
-
-         enum noise_state_crypt state_cr = noise_remote_decrypt (vm,
-                                                                 &peer->remote,
-                                                                 data->receiver_index,
-                                                                 data->counter,
-                                                                 data->encrypted_data,
-                                                                 encr_len,
-                                                                 decr_data);
+         enum noise_state_crypt state_cr = noise_remote_decrypt (
+           vm, &peer->remote, data->receiver_index, data->counter,
+           data->encrypted_data, encr_len, data->encrypted_data);
 
          if (PREDICT_FALSE (state_cr == SC_CONN_RESET))
            {
@@ -392,7 +386,7 @@ wg_input_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
              goto out;
            }
 
-         clib_memcpy (vlib_buffer_get_current (b[0]), decr_data, decr_len);
+         vlib_buffer_advance (b[0], sizeof (message_data_t));
          b[0]->current_length = decr_len;
          vnet_buffer_offload_flags_clear (b[0],
                                           VNET_BUFFER_OFFLOAD_F_UDP_CKSUM);