# Copyright 2022 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.qos.base import QoSBase class CAKE(QoSBase): _direction = ['egress'] # https://man7.org/linux/man-pages/man8/tc-cake.8.html def update(self, config, direction): tmp = f'tc qdisc add dev {self._interface} root handle 1: cake {direction}' if 'bandwidth' in config: bandwidth = self._rate_convert(config['bandwidth']) tmp += f' bandwidth {bandwidth}' if 'rtt' in config: rtt = config['rtt'] tmp += f' rtt {rtt}ms' if 'flow_isolation' in config: if 'blind' in config['flow_isolation']: tmp += f' flowblind' if 'dst_host' in config['flow_isolation']: tmp += f' dsthost' if 'dual_dst_host' in config['flow_isolation']: tmp += f' dual-dsthost' if 'dual_src_host' in config['flow_isolation']: tmp += f' dual-srchost' if 'flow' in config['flow_isolation']: tmp += f' flows' if 'host' in config['flow_isolation']: tmp += f' hosts' if 'nat' in config['flow_isolation']: tmp += f' nat' if 'src_host' in config['flow_isolation']: tmp += f' srchost ' else: tmp += f' nonat' self._cmd(tmp) # call base class super().update(config, direction)