: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.
eal_coremask = '-c {} '.format(args['eal_coremask'])\
if args.get('eal_coremask', '') else ''
+ # Set master core.
+ eal_master_core = '--master-lcore 0 '
# Set the number of memory channels to use.
eal_mem_channels = '-n {} '.format(args['eal_mem_channels'])\
if args.get('eal_mem_channels', '') else ''
# 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=2048 '
+ 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=2048 '
+ 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={} '.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={} '.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.
- pmd_total_num_mbufs = '--total-num-mbufs=65536 '
+ pmd_total_num_mbufs = '--total-num-mbufs={} '.format(\
+ args['pmd_num_mbufs']) if args.get('pmd_num_mbufs', '') else ''
# Set the hexadecimal bitmask of the ports for forwarding.
- pmd_portmask = '--portmask=0x3 '
+ pmd_portmask = '--portmask={} '.format(args['pmd_portmask'])\
+ if args.get('pmd_portmask', '') else ''
# Disable hardware VLAN.
pmd_disable_hw_vlan = '--disable-hw-vlan '\
if args.get('pmd_disable_hw_vlan', '') else ''
if args.get('pmd_eth_peer_0', '') else ''
pmd_eth_peer_1 = '--eth-peer={} '.format(args['pmd_eth_peer_1'])\
if args.get('pmd_eth_peer_1', '') else ''
- # Set the hexadecimal bitmask of the cores running forwarding. Master
- # lcore=0 is reserved, so highest bit is set to 0.
- pmd_coremask = '--coremask={} '.format(\
- hex(int(args['eal_coremask'], 0) & 0xFFFE))\
- if args.get('eal_coremask', '') else ''
# Set the number of forwarding cores based on coremask.
pmd_nb_cores = '--nb-cores={} '.format(\
- bin(int(args['eal_coremask'], 0) & 0xFFFE).count('1'))\
+ bin(int(args['eal_coremask'], 0)).count('1')-1)\
if args.get('eal_coremask', '') else ''
eal_options = '-v '\
+ eal_coremask\
+ + eal_master_core\
+ eal_mem_channels\
+ eal_socket_mem\
+ eal_driver
+ pmd_burst\
+ pmd_txd\
+ pmd_rxd\
+ + pmd_txq\
+ + pmd_rxq\
+ pmd_txqflags\
+ pmd_total_num_mbufs\
+ pmd_portmask\
+ pmd_disable_rss\
+ pmd_eth_peer_0\
+ pmd_eth_peer_1\
- + pmd_coremask\
+ pmd_nb_cores
ssh = SSH()
ssh.connect(node)