# --unbind-unused-ports: for NIC that have more than 2 ports such as Intel X710
# this will instruct trex to unbind all ports that are unused instead of
# erroring out with an exception (i40e only)
+ # Try: --ignore-528-issue -> neither unbind nor exit with error,
+ # just proceed cause it might work!
+ # Note that force unbinding is probably a bad choice:
+ # we can't assume for sure that other ports are "unused".
+ # The default TRex behaviour - exit - is indeed a safer option;
+ # a message informs about the ports that should be unbound.
+ i40e_opt = ("--ignore-528-issue" if
+ generator_config.config.i40e_mixed == 'ignore' else
+ "--unbind-unused-ports" if
+ generator_config.config.i40e_mixed == 'unbind' else "")
cmd = ['nohup', '/bin/bash', '-c',
'./t-rex-64 -i -c {} --iom 0 --no-scapy-server '
- '--unbind-unused-ports --close-at-end {} {} '
+ '--close-at-end {} {} {} '
'{} {} --cfg {} &> /tmp/trex.log & disown'.format(cores, sw_mode,
+ i40e_opt,
vlan_opt,
hdrh_opt,
mbuf_opt, cfg)]
LOG.info(' '.join(cmd))
- subprocess.Popen(cmd, cwd=self.trex_dir)
- LOG.info('TRex server is running...')
+ with subprocess.Popen(cmd, cwd=self.trex_dir) as trex_process:
+ LOG.info('TRex server is running (PID: %s)...', trex_process.pid)
def __load_config(self, filename):
result = {}
if os.path.exists(filename):
- with open(filename, 'r') as stream:
+ with open(filename, 'r', encoding="utf-8") as stream:
try:
result = yaml.safe_load(stream)
except yaml.YAMLError as exc:
yaml.safe_load(result)
if os.path.exists(filename):
os.remove(filename)
- with open(filename, 'w') as f:
+ with open(filename, 'w', encoding="utf-8") as f:
f.write(result)
return filename
# parameter, specified as one of the starting command line
# arguments, has been modified since the last launch.
# Hence we add some extra fields to the config file
- # (nb_cores, use_vlan, mbuf_factor, hdrh)
+ # (nb_cores, use_vlan, mbuf_factor, i40e_mixed, hdrh)
# which will serve as a memory between runs -
# while being actually ignored by the T-Rex server.
hdrh : {hdrh}
nb_cores : {nb_cores}
use_vlan : {use_vlan}
+ i40e_mixed : {i40e_mixed}
interfaces : [{ifs}]""".format(
zmq_pub_port=generator_config.zmq_pub_port,
zmq_rpc_port=generator_config.zmq_rpc_port,
nb_cores=generator_config.cores,
use_vlan=generator_config.gen_config.get('vtep_vlan') or
generator_config.vlan_tagging,
+ i40e_mixed=generator_config.config.i40e_mixed,
ifs=ifs)
if hasattr(generator_config, 'mbuf_64') and generator_config.mbuf_64: