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add arp-accept option.

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Currently, the only way to enable arp-accept is to enable
a policy with l3_intf_arp_accept.

But this enable arp-accept for all bridges.

This option allow to define it for specific bridge.

This is needed with bgp-evpn and vm migration
https://github.com/FRRouting/frr/issues/4904
This commit is contained in:
Alexandre Derumier
2019-09-03 09:43:38 +02:00
parent 5e8a4802f1
commit 45db39f606
1 changed files with 8 additions and 1 deletions
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9
ifupdown2/addons/address.py
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@ -96,6 +96,11 @@ class address(moduleBase):
'dual connected VxLANs',
'validvals' : ['<ipv4>', ],
'example' : ['clagd-vxlan-anycast-ip 36.0.0.11']},
'arp-accept' :
{ 'help': 'Allow gratuitous arp to update arp table',
'validvals': ['on', 'off', 'yes', 'no', '0', '1'],
'default' : 'off',
'example' : ['arp-accept on']},
'ip-forward' :
{ 'help': 'ip forwarding flag',
'validvals': ['on', 'off', 'yes', 'no', '0', '1'],
@ -272,6 +277,8 @@ class address(moduleBase):
def _process_bridge(self, ifaceobj, up):
hwaddress = self._get_hwaddress(ifaceobj)
addrs = ifaceobj.get_attr_value_first('address')
arp_accept = ifaceobj.get_attr_value_first('arp-accept')
arp_accept = utils.boolean_support_binary(arp_accept)
is_vlan_dev_on_vlan_aware_bridge = False
is_bridge = self.ipcmd.is_bridge(ifaceobj.name)
if not is_bridge:
@ -290,7 +297,7 @@ class address(moduleBase):
self.write_file('/proc/sys/net/ipv4/conf/%s' % ifaceobj.name +
'/arp_accept', '0')
else:
self.write_file('/proc/sys/net/ipv4/conf/%s/arp_accept' % ifaceobj.name, '0')
self.write_file('/proc/sys/net/ipv4/conf/%s/arp_accept' % ifaceobj.name, arp_accept)
if hwaddress and is_vlan_dev_on_vlan_aware_bridge:
if up:
self.ipcmd.bridge_fdb_add(bridgename, hwaddress, vlan)