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Diffstat (limited to 'python/vyos/ifconfig/bridge.py')
| -rw-r--r-- | python/vyos/ifconfig/bridge.py | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/python/vyos/ifconfig/bridge.py b/python/vyos/ifconfig/bridge.py new file mode 100644 index 000000000..392718d9f --- /dev/null +++ b/python/vyos/ifconfig/bridge.py @@ -0,0 +1,180 @@ +# Copyright 2019 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 +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library. If not, see <http://www.gnu.org/licenses/>. + + +from vyos.ifconfig.interface import Interface + +from vyos.validate import * + +class BridgeIf(Interface): + """ + A bridge is a way to connect two Ethernet segments together in a protocol + independent way. Packets are forwarded based on Ethernet address, rather + than IP address (like a router). Since forwarding is done at Layer 2, all + protocols can go transparently through a bridge. + + The Linux bridge code implements a subset of the ANSI/IEEE 802.1d standard. + """ + + _sysfs_set = {**Interface._sysfs_set, **{ + 'ageing_time': { + 'validate': assert_positive, + 'convert': lambda t: int(t) * 100, + 'location': '/sys/class/net/{ifname}/bridge/ageing_time', + }, + 'forward_delay': { + 'validate': assert_positive, + 'convert': lambda t: int(t) * 100, + 'location': '/sys/class/net/{ifname}/bridge/forward_delay', + }, + 'hello_time': { + 'validate': assert_positive, + 'convert': lambda t: int(t) * 100, + 'location': '/sys/class/net/{ifname}/bridge/hello_time', + }, + 'max_age': { + 'validate': assert_positive, + 'convert': lambda t: int(t) * 100, + 'location': '/sys/class/net/{ifname}/bridge/max_age', + }, + 'priority': { + 'validate': assert_positive, + 'location': '/sys/class/net/{ifname}/bridge/priority', + }, + 'stp': { + 'validate': assert_boolean, + 'location': '/sys/class/net/{ifname}/bridge/stp_state', + }, + 'multicast_querier': { + 'validate': assert_boolean, + 'location': '/sys/class/net/{ifname}/bridge/multicast_querier', + }, + }} + + _command_set = {**Interface._command_set, **{ + 'add_port': { + 'shellcmd': 'ip link set dev {value} master {ifname}', + }, + 'del_port': { + 'shellcmd': 'ip link set dev {value} nomaster', + }, + }} + + default = { + 'type': 'bridge', + } + + def __init__(self, ifname, **kargs): + super().__init__(ifname, **kargs) + + def set_ageing_time(self, time): + """ + Set bridge interface MAC address aging time in seconds. Internal kernel + representation is in centiseconds. Kernel default is 300 seconds. + + Example: + >>> from vyos.ifconfig import BridgeIf + >>> BridgeIf('br0').ageing_time(2) + """ + self.set_interface('ageing_time', time) + + def set_forward_delay(self, time): + """ + Set bridge forwarding delay in seconds. Internal Kernel representation + is in centiseconds. + + Example: + >>> from vyos.ifconfig import BridgeIf + >>> BridgeIf('br0').forward_delay(15) + """ + self.set_interface('forward_delay', time) + + def set_hello_time(self, time): + """ + Set bridge hello time in seconds. Internal Kernel representation + is in centiseconds. + + Example: + >>> from vyos.ifconfig import BridgeIf + >>> BridgeIf('br0').set_hello_time(2) + """ + self.set_interface('hello_time', time) + + def set_max_age(self, time): + """ + Set bridge max message age in seconds. Internal Kernel representation + is in centiseconds. + + Example: + >>> from vyos.ifconfig import Interface + >>> BridgeIf('br0').set_max_age(30) + """ + self.set_interface('max_age', time) + + def set_priority(self, priority): + """ + Set bridge max aging time in seconds. + + Example: + >>> from vyos.ifconfig import BridgeIf + >>> BridgeIf('br0').set_priority(8192) + """ + self.set_interface('priority', priority) + + def set_stp(self, state): + """ + Set bridge STP (Spanning Tree) state. 0 -> STP disabled, 1 -> STP enabled + + Example: + >>> from vyos.ifconfig import BridgeIf + >>> BridgeIf('br0').set_stp(1) + """ + self.set_interface('stp', state) + + def set_multicast_querier(self, enable): + """ + Sets whether the bridge actively runs a multicast querier or not. When a + bridge receives a 'multicast host membership' query from another network + host, that host is tracked based on the time that the query was received + plus the multicast query interval time. + + Use enable=1 to enable or enable=0 to disable + + Example: + >>> from vyos.ifconfig import Interface + >>> BridgeIf('br0').set_multicast_querier(1) + """ + self.set_interface('multicast_querier', enable) + + def add_port(self, interface): + """ + Add physical interface to bridge (member port) + + Example: + >>> from vyos.ifconfig import Interface + >>> BridgeIf('br0').add_port('eth0') + >>> BridgeIf('br0').add_port('eth1') + """ + return self.set_interface('add_port', interface) + + def del_port(self, interface): + """ + Remove member port from bridge instance. + + Example: + >>> from vyos.ifconfig import Interface + >>> BridgeIf('br0').del_port('eth1') + """ + return self.set_interface('del_port', interface) |