dpdk: ipsec fixes

- Fix buffer trace from esp_decrypt node
- Fix VLIB_REGISTER_NODE macro format
- Remove unnecessary code since we do not reconfigure graph
  unless requirements are met

Change-Id: Ic1c2afffb8265e40a6ced0c8a58775c05fadc9e2
Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>

2 files changed, 43 insertions, 43 deletions

diff --git a/src/plugins/dpdk/ipsec/esp_decrypt.c b/src/plugins/dpdk/ipsec/esp_decrypt.c
index bab76e3b665..9377970a00a 100644
--- a/src/plugins/dpdk/ipsec/esp_decrypt.c
+++ b/src/plugins/dpdk/ipsec/esp_decrypt.c
@@ -96,15 +96,8 @@ dpdk_esp_decrypt_node_fn (vlib_main_t * vm,
   from = vlib_frame_vector_args (from_frame);
   n_left_from = from_frame->n_vectors;
 
-  if (PREDICT_FALSE(!dcm->workers_main))
-    {
-      vlib_node_increment_counter (vm, dpdk_esp_decrypt_node.index,
-	      ESP_DECRYPT_ERROR_NO_CRYPTODEV, n_left_from);
-      vlib_buffer_free(vm, from, n_left_from);
-      return n_left_from;
-    }
-
-  crypto_worker_main_t *cwm = vec_elt_at_index(dcm->workers_main, thread_index);
+  crypto_worker_main_t *cwm =
+    vec_elt_at_index(dcm->workers_main, thread_index);
   u32 n_qps = vec_len(cwm->qp_data);
   struct rte_crypto_op ** cops_to_enq[n_qps];
   u32 n_cop_qp[n_qps], * bi_to_enq[n_qps];
@@ -366,6 +359,7 @@ trace:
   return from_frame->n_vectors;
 }
 
+/* *INDENT-OFF* */
 VLIB_REGISTER_NODE (dpdk_esp_decrypt_node) = {
   .function = dpdk_esp_decrypt_node_fn,
   .name = "dpdk-esp-decrypt",
@@ -383,6 +377,7 @@ VLIB_REGISTER_NODE (dpdk_esp_decrypt_node) = {
 #undef _
   },
 };
+/* *INDENT-ON* */
 
 VLIB_NODE_FUNCTION_MULTIARCH (dpdk_esp_decrypt_node, dpdk_esp_decrypt_node_fn)
 
@@ -478,7 +473,7 @@ dpdk_esp_decrypt_post_node_fn (vlib_main_t * vm,
 	  vlib_buffer_advance (b0, sizeof (esp_header_t) + iv_size);
 
 	  b0->current_length -= (icv_size + 2);
-	  b0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID;
+	  b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
 	  f0 = (esp_footer_t *) ((u8 *) vlib_buffer_get_current (b0) +
 				 b0->current_length);
 	  b0->current_length -= f0->pad_length;
@@ -573,6 +568,7 @@ trace:
   return from_frame->n_vectors;
 }
 
+/* *INDENT-OFF* */
 VLIB_REGISTER_NODE (dpdk_esp_decrypt_post_node) = {
   .function = dpdk_esp_decrypt_post_node_fn,
   .name = "dpdk-esp-decrypt-post",
@@ -590,5 +586,6 @@ VLIB_REGISTER_NODE (dpdk_esp_decrypt_post_node) = {
 #undef _
   },
 };
+/* *INDENT-ON* */
 
 VLIB_NODE_FUNCTION_MULTIARCH (dpdk_esp_decrypt_post_node, dpdk_esp_decrypt_post_node_fn)
diff --git a/src/plugins/dpdk/ipsec/esp_encrypt.c b/src/plugins/dpdk/ipsec/esp_encrypt.c
index 8e948504fbe..73d9880a23a 100644
--- a/src/plugins/dpdk/ipsec/esp_encrypt.c
+++ b/src/plugins/dpdk/ipsec/esp_encrypt.c
@@ -101,16 +101,6 @@ dpdk_esp_encrypt_node_fn (vlib_main_t * vm,
   from = vlib_frame_vector_args (from_frame);
   n_left_from = from_frame->n_vectors;
 
-  if (PREDICT_FALSE (!dcm->workers_main))
-    {
-      /* Likely there are not enough cryptodevs, so drop frame */
-      vlib_node_increment_counter (vm, dpdk_esp_encrypt_node.index,
-				   ESP_ENCRYPT_ERROR_NO_CRYPTODEV,
-				   n_left_from);
-      vlib_buffer_free (vm, from, n_left_from);
-      return n_left_from;
-    }
-
   crypto_worker_main_t *cwm =
     vec_elt_at_index (dcm->workers_main, thread_index);
   u32 n_qps = vec_len (cwm->qp_data);
@@ -367,12 +357,15 @@ dpdk_esp_encrypt_node_fn (vlib_main_t * vm,
 	  icb->salt = sa0->salt;
 	  icb->iv[0] = sa0->seq;
 	  icb->iv[1] = sa0->seq_hi;
+	  icb->cnt = clib_host_to_net_u32 (1);
 
 	  if (sa0->crypto_alg == IPSEC_CRYPTO_ALG_AES_GCM_128)
 	    {
-	      icb->cnt = clib_host_to_net_u32 (1);
-	      clib_memcpy (vlib_buffer_get_current (b0) + ip_hdr_size +
-			   sizeof (esp_header_t), icb->iv, 8);
+	      u32 *esp_iv =
+		(u32 *) vlib_buffer_get_current (b0) + ip_hdr_size +
+		sizeof (esp_header_t);
+	      esp_iv[0] = sa0->seq;
+	      esp_iv[1] = sa0->seq_hi;
 	      sym_cop->cipher.data.offset =
 		ip_hdr_size + sizeof (esp_header_t) + iv_size;
 	      sym_cop->cipher.data.length = BLOCK_SIZE * blocks;
@@ -497,16 +490,22 @@ dpdk_esp_encrypt_node_fn (vlib_main_t * vm,
   return from_frame->n_vectors;
 }
 
-VLIB_REGISTER_NODE (dpdk_esp_encrypt_node) =
-{
-  .function = dpdk_esp_encrypt_node_fn,.name = "dpdk-esp-encrypt",.flags =
-    VLIB_NODE_FLAG_IS_OUTPUT,.vector_size = sizeof (u32),.format_trace =
-    format_esp_encrypt_trace,.n_errors =
-    ARRAY_LEN (esp_encrypt_error_strings),.error_strings =
-    esp_encrypt_error_strings,.n_next_nodes = 1,.next_nodes =
-  {
-  [ESP_ENCRYPT_NEXT_DROP] = "error-drop",}
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (dpdk_esp_encrypt_node) = {
+  .function = dpdk_esp_encrypt_node_fn,
+  .name = "dpdk-esp-encrypt",
+  .flags = VLIB_NODE_FLAG_IS_OUTPUT,
+  .vector_size = sizeof (u32),
+  .format_trace = format_esp_encrypt_trace,
+  .n_errors = ARRAY_LEN (esp_encrypt_error_strings),
+  .error_strings = esp_encrypt_error_strings,
+  .n_next_nodes = 1,
+  .next_nodes =
+    {
+      [ESP_ENCRYPT_NEXT_DROP] = "error-drop",
+    }
 };
+/* *INDENT-ON* */
 
 VLIB_NODE_FUNCTION_MULTIARCH (dpdk_esp_encrypt_node, dpdk_esp_encrypt_node_fn)
 /*
@@ -585,20 +584,24 @@ dpdk_esp_encrypt_post_node_fn (vlib_main_t * vm,
   return from_frame->n_vectors;
 }
 
-VLIB_REGISTER_NODE (dpdk_esp_encrypt_post_node) =
-{
-  .function = dpdk_esp_encrypt_post_node_fn,.name =
-    "dpdk-esp-encrypt-post",.vector_size = sizeof (u32),.format_trace =
-    format_esp_encrypt_post_trace,.type = VLIB_NODE_TYPE_INTERNAL,.n_errors =
-    ARRAY_LEN (esp_encrypt_post_error_strings),.error_strings =
-    esp_encrypt_post_error_strings,.n_next_nodes =
-    ESP_ENCRYPT_N_NEXT,.next_nodes =
-  {
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (dpdk_esp_encrypt_post_node) = {
+  .function = dpdk_esp_encrypt_post_node_fn,
+  .name = "dpdk-esp-encrypt-post",
+  .vector_size = sizeof (u32),
+  .format_trace = format_esp_encrypt_post_trace,
+  .type = VLIB_NODE_TYPE_INTERNAL,
+  .n_errors = ARRAY_LEN (esp_encrypt_post_error_strings),
+  .error_strings = esp_encrypt_post_error_strings,
+  .n_next_nodes = ESP_ENCRYPT_N_NEXT,
+  .next_nodes =
+    {
 #define _(s,n) [ESP_ENCRYPT_NEXT_##s] = n,
-    foreach_esp_encrypt_next
+      foreach_esp_encrypt_next
 #undef _
-  }
+    }
 };
+/* *INDENT-ON* */
 
 VLIB_NODE_FUNCTION_MULTIARCH (dpdk_esp_encrypt_post_node,
 			      dpdk_esp_encrypt_post_node_fn)