class DpdkUtil(object):
"""Utilities for DPDK."""
- #pylint: disable=too-many-locals
@staticmethod
def dpdk_testpmd_start(node, **args):
"""Start DPDK testpmd app on VM node.
:param node: VM Node to start testpmd on.
:param args: List of testpmd parameters.
:type node: dict
- :type args: list
+ :type args: dict
:return: nothing
"""
# Set the hexadecimal bitmask of the cores to run on.
# Set the number of packets per burst to N.
pmd_burst = '--burst=64 '
# Set the number of descriptors in the TX rings to N.
- pmd_txd = '--txd=256 '
+ pmd_txd = '--txd={} '.format(args.get('pmd_txd', '256')) \
+ if args.get('pmd_txd', '256') else ''
# Set the number of descriptors in the RX rings to N.
- pmd_rxd = '--rxd=256 '
+ pmd_rxd = '--rxd={} '.format(args.get('pmd_rxd', '256')) \
+ if args.get('pmd_rxd', '256') else ''
# Set the number of queues in the TX to N.
- pmd_txq = '--txq=1 '
+ pmd_txq = '--txq={} '.format(args.get('pmd_txq', '1')) \
+ if args.get('pmd_txq', '1') else ''
# Set the number of queues in the RX to N.
- pmd_rxq = '--rxq=1 '
+ pmd_rxq = '--rxq={} '.format(args.get('pmd_rxq', '1')) \
+ if args.get('pmd_rxq', '1') else ''
# Set the hexadecimal bitmask of TX queue flags.
pmd_txqflags = '--txqflags=0xf00 '
# Set the number of mbufs to be allocated in the mbuf pools.