devices: vnet_get_aggregate_rx_packets should not be dpdk specific

Change-Id: I1152db4b7d1602653d7d8b2c6cb28cf5c526c4ca
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vnet/devices/af_packet/node.c b/src/vnet/devices/af_packet/node.c
index 476ccca..69fc11c 100644
--- a/src/vnet/devices/af_packet/node.c
+++ b/src/vnet/devices/af_packet/node.c
@@ -239,6 +239,7 @@
      + VNET_INTERFACE_COUNTER_RX,
      os_get_cpu_number (), apif->hw_if_index, n_rx_packets, n_rx_bytes);
 
+  vnet_device_increment_rx_packets (cpu_index, n_rx_packets);
   return n_rx_packets;
 }