diff options
Diffstat (limited to 'python/vyos')
| -rw-r--r-- | python/vyos/ifconfig/interface.py | 41 |
1 files changed, 15 insertions, 26 deletions
diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py index 62c30dbf7..a156eddd9 100644 --- a/python/vyos/ifconfig/interface.py +++ b/python/vyos/ifconfig/interface.py @@ -1,4 +1,4 @@ -# Copyright 2019 VyOS maintainers and contributors <maintainers@vyos.io> +# Copyright 2019-2020 VyOS maintainers and contributors <maintainers@vyos.io> # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -419,39 +419,28 @@ class Interface(Control): """ return self.set_interface('ipv6_autoconf', autoconf) - def set_ipv6_eui64_address(self, prefix): + def add_ipv6_eui64_address(self, prefix): """ Extended Unique Identifier (EUI), as per RFC2373, allows a host to - assign iteslf a unique IPv6 address based on a given IPv6 prefix. + assign itself a unique IPv6 address based on a given IPv6 prefix. - If prefix is passed address is assigned, if prefix is '' address is - removed from interface. + Calculate the EUI64 from the interface's MAC, then assign it + with the given prefix to the interface. """ - # if prefix is an empty string convert it to None so mac2eui64 works - # as expected - if not prefix: - prefix = None eui64 = mac2eui64(self.get_mac(), prefix) + prefixlen = prefix.split('/')[1] + self.add_addr(f'{eui64}/{prefixlen}') - if not prefix: - # if prefix is empty - thus removed - we need to walk through all - # interface IPv6 addresses and find the one with the calculated - # EUI-64 identifier. The address is then removed - for addr in self.get_addr(): - addr_wo_prefix = addr.split('/')[0] - if is_ipv6(addr_wo_prefix): - if eui64 in IPv6Address(addr_wo_prefix).exploded: - self.del_addr(addr) - - return None + def del_ipv6_eui64_address(self, prefix): + """ + Delete the address based on the interface's MAC-based EUI64 + combined with the prefix address. + """ + eui64 = mac2eui64(self.get_mac(), prefix) + prefixlen = prefix.split('/')[1] + self.del_addr(f'{eui64}/{prefixlen}') - # calculate and add EUI-64 IPv6 address - if IPv6Network(prefix): - # we also need to take the subnet length into account - prefix = prefix.split('/')[1] - eui64 = f'{eui64}/{prefix}' - self.add_addr(eui64 ) def set_ipv6_forwarding(self, forwarding): """ |