From f89a6806d90fd11e0e1e5e922ef95332ad8bfeb8 Mon Sep 17 00:00:00 2001 From: Christian Poessinger Date: Thu, 16 Jun 2022 21:20:39 +0200 Subject: qos: T4284: first implementation introducing a new vyos.qos module --- python/vyos/qos/priority.py | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 python/vyos/qos/priority.py (limited to 'python/vyos/qos/priority.py') diff --git a/python/vyos/qos/priority.py b/python/vyos/qos/priority.py new file mode 100644 index 000000000..72092b7ef --- /dev/null +++ b/python/vyos/qos/priority.py @@ -0,0 +1,40 @@ +# Copyright 2022 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 +# 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 . + +from vyos.qos.base import QoSBase +from vyos.util import dict_search + +class Priority(QoSBase): + _parent = 1 + + # https://man7.org/linux/man-pages/man8/tc-prio.8.html + def update(self, config, direction): + if 'class' in config: + class_id_max = self._get_class_max_id(config) + bands = int(class_id_max) +1 + + tmp = f'tc qdisc add dev {self._interface} root handle {self._parent:x}: prio bands {bands} priomap ' \ + f'{class_id_max} {class_id_max} {class_id_max} {class_id_max} ' \ + f'{class_id_max} {class_id_max} {class_id_max} {class_id_max} ' \ + f'{class_id_max} {class_id_max} {class_id_max} {class_id_max} ' \ + f'{class_id_max} {class_id_max} {class_id_max} {class_id_max} ' + self._cmd(tmp) + + for cls in config['class']: + tmp = f'tc qdisc add dev {self._interface} parent {self._parent:x}:{cls:x} pfifo' + self._cmd(tmp) + + # base class must be called last + super().update(config, direction, priority=True) -- cgit v1.2.3