resources/templates/vcl/vcl_dma.conf

   1 vcl {
   2   segment-size 4000000000
   3   add-segment-size 4000000000
   4   rx-fifo-size 4000000
   5   tx-fifo-size 4000000
   6   use-mq-eventfd
   7   event-queue-size 500000
   8   api-socket-name /run/vpp/api.sock
   9 }