diff options
Diffstat (limited to 'src/conf_mode/interfaces-pseudo-ethernet.py')
| -rwxr-xr-x | src/conf_mode/interfaces-pseudo-ethernet.py | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/src/conf_mode/interfaces-pseudo-ethernet.py b/src/conf_mode/interfaces-pseudo-ethernet.py index d5f308ed3..57b282291 100755 --- a/src/conf_mode/interfaces-pseudo-ethernet.py +++ b/src/conf_mode/interfaces-pseudo-ethernet.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2019 VyOS maintainers and contributors +# Copyright (C) 2019-2020 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as @@ -22,7 +22,7 @@ from netifaces import interfaces from vyos.config import Config from vyos.configdict import list_diff, vlan_to_dict -from vyos.ifconfig import MACVLANIf +from vyos.ifconfig import MACVLANIf, Section from vyos.ifconfig_vlan import apply_vlan_config, verify_vlan_config from vyos.validate import is_bridge_member from vyos import ConfigError @@ -48,7 +48,8 @@ default_config_data = { 'ip_proxy_arp': 0, 'ip_proxy_arp_pvlan': 0, 'ipv6_autoconf': 0, - 'ipv6_eui64_prefix': '', + 'ipv6_eui64_prefix': [], + 'ipv6_eui64_prefix_remove': [], 'ipv6_forwarding': 1, 'ipv6_dup_addr_detect': 1, 'is_bridge_member': False, @@ -157,9 +158,21 @@ def get_config(): if conf.exists('ipv6 address autoconf'): peth['ipv6_autoconf'] = 1 - # Get prefix for IPv6 addressing based on MAC address (EUI-64) + # Get prefixes for IPv6 addressing based on MAC address (EUI-64) if conf.exists('ipv6 address eui64'): - peth['ipv6_eui64_prefix'] = conf.return_value('ipv6 address eui64') + peth['ipv6_eui64_prefix'] = conf.return_values('ipv6 address eui64') + + # Determine currently effective EUI64 addresses - to determine which + # address is no longer valid and needs to be removed + eff_addr = conf.return_effective_values('ipv6 address eui64') + peth['ipv6_eui64_prefix_remove'] = list_diff(eff_addr, peth['ipv6_eui64_prefix']) + + # Remove the default link-local address if set. + if conf.exists('ipv6 address no-default-link-local'): + peth['ipv6_eui64_prefix_remove'].append('fe80::/64') + else: + # add the link-local by default to make IPv6 work + peth['ipv6_eui64_prefix'].append('fe80::/64') # Disable IPv6 forwarding on this interface if conf.exists('ipv6 disable-forwarding'): @@ -180,6 +193,12 @@ def get_config(): if conf.exists(['mac']): peth['mac'] = conf.return_value(['mac']) + # Find out if MAC has changed - if so, we need to delete all IPv6 EUI64 addresses + # before re-adding them + if ( peth['mac'] and peth['intf'] in Section.interfaces(section='pseudo-ethernet') + and peth['mac'] != MACVLANIf(peth['intf'], create=False).get_mac() ): + peth['ipv6_eui64_prefix_remove'] += peth['ipv6_eui64_prefix'] + # MACvlan mode if conf.exists(['mode']): peth['mode'] = conf.return_value(['mode']) @@ -306,8 +325,6 @@ def apply(peth): p.set_proxy_arp_pvlan(peth['ip_proxy_arp_pvlan']) # IPv6 address autoconfiguration p.set_ipv6_autoconf(peth['ipv6_autoconf']) - # IPv6 EUI-based address - p.set_ipv6_eui64_address(peth['ipv6_eui64_prefix']) # IPv6 forwarding p.set_ipv6_forwarding(peth['ipv6_forwarding']) # IPv6 Duplicate Address Detection (DAD) tries @@ -316,10 +333,18 @@ def apply(peth): # assign/remove VRF p.set_vrf(peth['vrf']) + # Delete old IPv6 EUI64 addresses before changing MAC + for addr in peth['ipv6_eui64_prefix_remove']: + p.del_ipv6_eui64_address(addr) + # Change interface MAC address if peth['mac']: p.set_mac(peth['mac']) + # Add IPv6 EUI-based addresses + for addr in peth['ipv6_eui64_prefix']: + p.add_ipv6_eui64_address(addr) + # Change interface mode p.set_mode(peth['mode']) |