X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fcrypto%2Fnode.c;h=12e6033ad8045c2c2cc0ca1e2cd296817ef60a88;hb=refs%2Fchanges%2F76%2F27176%2F11;hp=51ee63d1d628cbe2c715762d70ac3b43d72672db;hpb=56230097e2a642740a1a00483e54419edc7fc2ba;p=vpp.git

diff --git a/src/vnet/crypto/node.c b/src/vnet/crypto/node.c
index 51ee63d1d62..12e6033ad80 100644
--- a/src/vnet/crypto/node.c
+++ b/src/vnet/crypto/node.c
@@ -74,60 +74,78 @@ vnet_crypto_async_add_trace (vlib_main_t * vm, vlib_node_runtime_t * node,
 static_always_inline u32
 crypto_dequeue_frame (vlib_main_t * vm, vlib_node_runtime_t * node,
 		      vnet_crypto_thread_t * ct,
-		      vnet_crypto_frame_dequeue_t * hdl,
-		      u32 n_cache, u32 * n_total)
+		      vnet_crypto_frame_dequeue_t * hdl, u32 n_cache,
+		      u32 * n_total)
 {
-  vnet_crypto_async_frame_t *cf = (hdl) (vm);
+  vnet_crypto_main_t *cm = &crypto_main;
+  u32 n_elts = 0;
+  u32 enqueue_thread_idx = ~0;
+  vnet_crypto_async_frame_t *cf = (hdl) (vm, &n_elts, &enqueue_thread_idx);
+  *n_total += n_elts;
 
-  while (cf)
+  while (cf || n_elts)
     {
-      vec_validate (ct->buffer_indice, n_cache + cf->n_elts);
-      vec_validate (ct->nexts, n_cache + cf->n_elts);
-      clib_memcpy_fast (ct->buffer_indice + n_cache, cf->buffer_indices,
-			sizeof (u32) * cf->n_elts);
-      if (cf->state == VNET_CRYPTO_FRAME_STATE_SUCCESS)
-	{
-	  clib_memcpy_fast (ct->nexts + n_cache, cf->next_node_index,
-			    sizeof (u16) * cf->n_elts);
-	}
-      else
+      if (cf)
 	{
-	  u32 i;
-	  for (i = 0; i < cf->n_elts; i++)
+	  vec_validate (ct->buffer_indice, n_cache + cf->n_elts);
+	  vec_validate (ct->nexts, n_cache + cf->n_elts);
+	  clib_memcpy_fast (ct->buffer_indice + n_cache, cf->buffer_indices,
+			    sizeof (u32) * cf->n_elts);
+	  if (cf->state == VNET_CRYPTO_FRAME_STATE_SUCCESS)
+	    {
+	      clib_memcpy_fast (ct->nexts + n_cache, cf->next_node_index,
+				sizeof (u16) * cf->n_elts);
+	    }
+	  else
 	    {
-	      if (cf->elts[i].status != VNET_CRYPTO_OP_STATUS_COMPLETED)
+	      u32 i;
+	      for (i = 0; i < cf->n_elts; i++)
 		{
-		  ct->nexts[i + n_cache] = CRYPTO_DISPATCH_NEXT_ERR_DROP;
-		  vlib_node_increment_counter (vm, node->node_index,
-					       cf->elts[i].status, 1);
+		  if (cf->elts[i].status != VNET_CRYPTO_OP_STATUS_COMPLETED)
+		    {
+		      ct->nexts[i + n_cache] = CRYPTO_DISPATCH_NEXT_ERR_DROP;
+		      vlib_node_increment_counter (vm, node->node_index,
+						   cf->elts[i].status, 1);
+		    }
+		  else
+		    ct->nexts[i + n_cache] = cf->next_node_index[i];
 		}
-	      else
-		ct->nexts[i + n_cache] = cf->next_node_index[i];
 	    }
-	}
-      n_cache += cf->n_elts;
-      *n_total += cf->n_elts;
-      if (n_cache >= VLIB_FRAME_SIZE)
-	{
-	  vlib_buffer_enqueue_to_next (vm, node, ct->buffer_indice, ct->nexts,
-				       n_cache);
-	  n_cache = 0;
-	}
-
-      if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
-	{
-	  u32 i;
+	  n_cache += cf->n_elts;
+	  if (n_cache >= VLIB_FRAME_SIZE)
+	    {
+	      vlib_buffer_enqueue_to_next (vm, node, ct->buffer_indice,
+					   ct->nexts, n_cache);
+	      n_cache = 0;
+	    }
 
-	  for (i = 0; i < cf->n_elts; i++)
+	  if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
 	    {
-	      vlib_buffer_t *b = vlib_get_buffer (vm, cf->buffer_indices[i]);
-	      if (b->flags & VLIB_BUFFER_IS_TRACED)
-		vnet_crypto_async_add_trace (vm, node, b, cf->op,
-					     cf->elts[i].status);
+	      u32 i;
+
+	      for (i = 0; i < cf->n_elts; i++)
+		{
+		  vlib_buffer_t *b = vlib_get_buffer (vm,
+						      cf->buffer_indices[i]);
+		  if (b->flags & VLIB_BUFFER_IS_TRACED)
+		    vnet_crypto_async_add_trace (vm, node, b, cf->op,
+						 cf->elts[i].status);
+		}
 	    }
+	  vnet_crypto_async_free_frame (vm, cf);
+	}
+      /* signal enqueue-thread to dequeue the processed frame (n_elts>0) */
+      if (cm->dispatch_mode == VNET_CRYPTO_ASYNC_DISPATCH_INTERRUPT
+	  && n_elts > 0)
+	{
+	  vlib_node_set_interrupt_pending (vlib_mains[enqueue_thread_idx],
+					   cm->crypto_node_index);
 	}
-      vnet_crypto_async_free_frame (vm, cf);
-      cf = (hdl) (vm);
+
+      n_elts = 0;
+      enqueue_thread_idx = 0;
+      cf = (hdl) (vm, &n_elts, &enqueue_thread_idx);
+      *n_total += n_elts;
     }
 
   return n_cache;