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-rw-r--r--nfvbench/chaining.py22
1 files changed, 12 insertions, 10 deletions
diff --git a/nfvbench/chaining.py b/nfvbench/chaining.py
index 5e2d730..8d717aa 100644
--- a/nfvbench/chaining.py
+++ b/nfvbench/chaining.py
@@ -823,16 +823,17 @@ class ChainManager(object):
raise
else:
# no openstack, no need to create chains
- # make sure there at least as many entries as chains in each left/right list
- if len(config.vlans) != 2:
- raise ChainException('The config vlans property must be a list '
- 'with 2 lists of VLAN IDs')
- if not config.l2_loopback:
- self._get_dest_macs_from_config()
- re_vlan = "[0-9]*$"
- self.vlans = [self._check_list('vlans[0]', config.vlans[0], re_vlan),
- self._check_list('vlans[1]', config.vlans[1], re_vlan)]
+ if not config.l2_loopback and config.no_arp:
+ self._get_dest_macs_from_config()
+ if config.vlan_tagging:
+ # make sure there at least as many entries as chains in each left/right list
+ if len(config.vlans) != 2:
+ raise ChainException('The config vlans property must be a list '
+ 'with 2 lists of VLAN IDs')
+ re_vlan = "[0-9]*$"
+ self.vlans = [self._check_list('vlans[0]', config.vlans[0], re_vlan),
+ self._check_list('vlans[1]', config.vlans[1], re_vlan)]
def _get_dest_macs_from_config(self):
re_mac = "[0-9a-fA-F]{2}([-:])[0-9a-fA-F]{2}(\\1[0-9a-fA-F]{2}){4}$"
@@ -847,7 +848,8 @@ class ChainManager(object):
if isinstance(ll, (int, str)):
ll = [ll]
if not ll or len(ll) < self.chain_count:
- raise ChainException('%s=%s must be a list with 1 element per chain' % (list_name, ll))
+ raise ChainException('%s=%s must be a list with %d elements per chain' %
+ (list_name, ll, self.chain_count))
for item in ll:
if not re.match(pattern, str(item)):
raise ChainException("Invalid format '{item}' specified in {fname}"