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Diffstat (limited to 'python/vyos/qos/priority.py')
| -rw-r--r-- | python/vyos/qos/priority.py | 40 |
1 files changed, 40 insertions, 0 deletions
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 <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 +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) |