devices: add support for polling mode

[vpp.git] / src / vnet / devices / af_packet / node.c

diff --git a/src/vnet/devices/af_packet/node.c b/src/vnet/devices/af_packet/node.c
index 1fc0619..0e522c9 100644 (file)
--- a/src/vnet/devices/af_packet/node.c
+++ b/src/vnet/devices/af_packet/node.c
@@ -504,12 +504,15 @@ af_packet_device_input_fn (vlib_main_t *vm, vlib_node_runtime_t *node,
 
 done:
 
-  if ((((block_desc_t *) (block_start = rx_queue->rx_ring[block]))
-        ->hdr.bh1.block_status &
-       TP_STATUS_USER) != 0)
-    vlib_node_set_state (vm, node->node_index, VLIB_NODE_STATE_POLLING);
-  else
-    vlib_node_set_state (vm, node->node_index, VLIB_NODE_STATE_INTERRUPT);
+  if (apm->polling_count == 0)
+    {
+      if ((((block_desc_t *) (block_start = rx_queue->rx_ring[block]))
+            ->hdr.bh1.block_status &
+          TP_STATUS_USER) != 0)
+       vlib_node_set_state (vm, node->node_index, VLIB_NODE_STATE_POLLING);
+      else
+       vlib_node_set_state (vm, node->node_index, VLIB_NODE_STATE_INTERRUPT);
+    }
 
   vlib_error_count (vm, node->node_index, AF_PACKET_INPUT_ERROR_TOTAL_RECV_BLK,
                    total);