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path: root/vpp/conf/startup.conf
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unix {
  nodaemon
  log /tmp/vpp.log
  full-coredump
}

api-trace {
  on
}

api-segment {
  gid vpp
}

cpu {
	## Set logical CPU core where main thread runs
	# main-core 1

	## Set logical CPU core(s) where worker threads are running
	## by default there is no worker threads started
	# corelist-workers 2-3,18-19

	## Set scheduling policy and priority of main and worker threads

	## Scheduling policy options are: other (SCHED_OTHER), batch (SCHED_BATCH)
	## idle (SCHED_IDLE), fifo (SCHED_FIFO), rr (SCHED_RR)
	# scheduler-policy fifo

	## Scheduling priority is used only for "real-time policies (fifo and rr),
	## and has to be in the range of priorities supported for a particular policy
	# scheduler-priority 50
}

dpdk {
	## Change default settings for all intefaces
	# dev default {
		## Number of receive queues, enables RSS
		## Default is 1
		# num-rx-queues 3

		## Number of transmit queues, Default is equal
		## to number of worker threads or 1 if no workers treads
		# num-tx-queues 3

		## Number of descriptors in transmit and receive rings
		## increasing or reducing number can impact performance
		## Default is 1024 for both rx and tx
		# num-rx-desc 512
		# num-tx-desc 512

		## VLAN strip offload mode for interface
		## Default is off
		# vlan-strip-offload on
	# }

	## Whitelist specific interface by specifying PCI address
	# dev 0000:02:00.0

	## Whitelist specific interface by specifying PCI address and in
	## addition specify custom parameters for this interface
	# dev 0000:02:00.1 {
	#	num-rx-queues 2
	# }

	## Change UIO driver used by VPP, Options are: uio_pci_generic, vfio-pci
	## and igb_uio (default)
	# uio-driver uio_pci_generic

	## Disable mutli-segment buffers, improves performance but
	## disables Jumbo MTU support
	# no-multi-seg

	## Increase number of buffers allocated, needed only in scenarios with
	## large number of interfaces and worker threads. Value is per CPU socket.
	## Default is 32768
	# num-mbufs 128000

	## Change hugepages allocation per-socket, needed only if there is need for
	## larger number of mbufs. Default is 256M on each detected CPU socket
	# socket-mem 2048,2048
}