diff options
Diffstat (limited to 'src/conf_mode/interfaces-ethernet.py')
| -rwxr-xr-x | src/conf_mode/interfaces-ethernet.py | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/src/conf_mode/interfaces-ethernet.py b/src/conf_mode/interfaces-ethernet.py index 5a977d797..43d97916d 100755 --- a/src/conf_mode/interfaces-ethernet.py +++ b/src/conf_mode/interfaces-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 @@ -20,7 +20,7 @@ from sys import exit from copy import deepcopy from netifaces import interfaces -from vyos.ifconfig import EthernetIf +from vyos.ifconfig import EthernetIf, Section from vyos.ifconfig_vlan import apply_vlan_config, verify_vlan_config from vyos.configdict import list_diff, vlan_to_dict from vyos.config import Config @@ -49,7 +49,8 @@ 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, 'intf': '', @@ -175,9 +176,21 @@ def get_config(): if conf.exists('ipv6 address autoconf'): eth['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'): - eth['ipv6_eui64_prefix'] = conf.return_value('ipv6 address eui64') + eth['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address eui64') + + # Determine currently effective EUI64 addresses - to determine which + # address is no longer valid and needs to be removed + eff_addr = conf.return_effective_values('ipv6 address eui64') + eth['ipv6_eui64_prefix_remove'] = list_diff(eff_addr, eth['ipv6_eui64_prefix']) + + # Remove the default link-local address if set. + if conf.exists('ipv6 address no-default-link-local'): + eth['ipv6_eui64_prefix_remove'].append('fe80::/64') + else: + # add the link-local by default to make IPv6 work + eth['ipv6_eui64_prefix'].append('fe80::/64') # Disable IPv6 forwarding on this interface if conf.exists('ipv6 disable-forwarding'): @@ -191,6 +204,12 @@ def get_config(): if conf.exists('mac'): eth['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 ( eth['mac'] and eth['intf'] in Section.interfaces(section='ethernet') + and eth['mac'] != EthernetIf(eth['intf'], create=False).get_mac() ): + eth['ipv6_eui64_prefix_remove'] += eth['ipv6_eui64_prefix'] + # Maximum Transmission Unit (MTU) if conf.exists('mtu'): eth['mtu'] = int(conf.return_value('mtu')) @@ -336,13 +355,15 @@ def apply(eth): e.set_proxy_arp_pvlan(eth['ip_proxy_arp_pvlan']) # IPv6 address autoconfiguration e.set_ipv6_autoconf(eth['ipv6_autoconf']) - # IPv6 EUI-based address - e.set_ipv6_eui64_address(eth['ipv6_eui64_prefix']) # IPv6 forwarding e.set_ipv6_forwarding(eth['ipv6_forwarding']) # IPv6 Duplicate Address Detection (DAD) tries e.set_ipv6_dad_messages(eth['ipv6_dup_addr_detect']) + # Delete old IPv6 EUI64 addresses before changing MAC + for addr in eth['ipv6_eui64_prefix_remove']: + e.del_ipv6_eui64_address(addr) + # Change interface MAC address - re-set to real hardware address (hw-id) # if custom mac is removed if eth['mac']: @@ -350,6 +371,10 @@ def apply(eth): elif eth['hw_id']: e.set_mac(eth['hw_id']) + # Add IPv6 EUI-based addresses + for addr in eth['ipv6_eui64_prefix']: + e.add_ipv6_eui64_address(addr) + # Maximum Transmission Unit (MTU) e.set_mtu(eth['mtu']) |