From 0bf4b570fe2d239b9fbabd3ae801ad3f04a06bde Mon Sep 17 00:00:00 2001 From: Viacheslav Hletenko Date: Thu, 25 Apr 2024 08:23:14 +0000 Subject: T6258: Add sysctl base-reachable-time for IPv6 Add abiilty to change `base_reachable_time_ms` option /proc/sys/net/ipv6/neigh/{ifname}/base_reachable_time_ms --- python/vyos/ifconfig/interface.py | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) (limited to 'python') diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py index 1b86982c4..f0897bc21 100644 --- a/python/vyos/ifconfig/interface.py +++ b/python/vyos/ifconfig/interface.py @@ -1,4 +1,4 @@ -# Copyright 2019-2023 VyOS maintainers and contributors +# Copyright 2019-2024 VyOS maintainers and contributors # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -193,6 +193,9 @@ class Interface(Control): 'validate': assert_positive, 'location': '/proc/sys/net/ipv6/conf/{ifname}/dad_transmits', }, + 'ipv6_cache_tmo': { + 'location': '/proc/sys/net/ipv6/neigh/{ifname}/base_reachable_time_ms', + }, 'path_cost': { # XXX: we should set a maximum 'validate': assert_positive, @@ -261,6 +264,9 @@ class Interface(Control): 'ipv6_dad_transmits': { 'location': '/proc/sys/net/ipv6/conf/{ifname}/dad_transmits', }, + 'ipv6_cache_tmo': { + 'location': '/proc/sys/net/ipv6/neigh/{ifname}/base_reachable_time_ms', + }, 'proxy_arp': { 'location': '/proc/sys/net/ipv4/conf/{ifname}/proxy_arp', }, @@ -613,6 +619,21 @@ class Interface(Control): return None return self.set_interface('arp_cache_tmo', tmo) + def set_ipv6_cache_tmo(self, tmo): + """ + Set IPv6 cache timeout value in seconds. Internal Kernel representation + is in milliseconds. + + Example: + >>> from vyos.ifconfig import Interface + >>> Interface('eth0').set_ipv6_cache_tmo(40) + """ + tmo = str(int(tmo) * 1000) + tmp = self.get_interface('ipv6_cache_tmo') + if tmp == tmo: + return None + return self.set_interface('ipv6_cache_tmo', tmo) + def _cleanup_mss_rules(self, table, ifname): commands = [] results = self._cmd(f'nft -a list chain {table} VYOS_TCP_MSS').split("\n") @@ -1698,6 +1719,11 @@ class Interface(Control): for addr in tmp: self.add_ipv6_eui64_address(addr) + # Configure IPv6 base time in milliseconds - has default value + tmp = dict_search('ipv6.base_reachable_time', config) + value = tmp if (tmp != None) else '30' + self.set_ipv6_cache_tmo(value) + # re-add ourselves to any bridge we might have fallen out of if 'is_bridge_member' in config: tmp = config.get('is_bridge_member') -- cgit v1.2.3