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authorJohn Estabrook <jestabro@vyos.io>2024-06-05 19:57:18 -0500
committerJohn Estabrook <jestabro@vyos.io>2024-06-05 19:57:18 -0500
commitd34edc5c15f939f87648b0f8588f99474c53b459 (patch)
tree4aa1bcced8024d5949dd9dc2fab1e94134302131 /src/activation-scripts
parent4f18517c9b0a912582933ddbc5424759c676c290 (diff)
downloadvyos-1x-d34edc5c15f939f87648b0f8588f99474c53b459.tar.gz
vyos-1x-d34edc5c15f939f87648b0f8588f99474c53b459.zip
migration: T6006: add activation script dir and helper function
Diffstat (limited to 'src/activation-scripts')
-rwxr-xr-xsrc/activation-scripts/20-ethernet_offload.py103
1 files changed, 103 insertions, 0 deletions
diff --git a/src/activation-scripts/20-ethernet_offload.py b/src/activation-scripts/20-ethernet_offload.py
new file mode 100755
index 000000000..33b0ea469
--- /dev/null
+++ b/src/activation-scripts/20-ethernet_offload.py
@@ -0,0 +1,103 @@
+# Copyright 2021-2024 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/>.
+
+# T3619: mirror Linux Kernel defaults for ethernet offloading options into VyOS
+# CLI. See https://vyos.dev/T3619#102254 for all the details.
+# T3787: Remove deprecated UDP fragmentation offloading option
+# T6006: add to activation-scripts: migration-scripts/interfaces/20-to-21
+
+from vyos.ethtool import Ethtool
+from vyos.configtree import ConfigTree
+
+def activate(config: ConfigTree):
+ base = ['interfaces', 'ethernet']
+
+ if not config.exists(base):
+ return
+
+ for ifname in config.list_nodes(base):
+ eth = Ethtool(ifname)
+
+ # If GRO is enabled by the Kernel - we reflect this on the CLI. If GRO is
+ # enabled via CLI but not supported by the NIC - we remove it from the CLI
+ configured = config.exists(base + [ifname, 'offload', 'gro'])
+ enabled, fixed = eth.get_generic_receive_offload()
+ if configured and fixed:
+ config.delete(base + [ifname, 'offload', 'gro'])
+ elif enabled and not fixed:
+ config.set(base + [ifname, 'offload', 'gro'])
+
+ # If GSO is enabled by the Kernel - we reflect this on the CLI. If GSO is
+ # enabled via CLI but not supported by the NIC - we remove it from the CLI
+ configured = config.exists(base + [ifname, 'offload', 'gso'])
+ enabled, fixed = eth.get_generic_segmentation_offload()
+ if configured and fixed:
+ config.delete(base + [ifname, 'offload', 'gso'])
+ elif enabled and not fixed:
+ config.set(base + [ifname, 'offload', 'gso'])
+
+ # If LRO is enabled by the Kernel - we reflect this on the CLI. If LRO is
+ # enabled via CLI but not supported by the NIC - we remove it from the CLI
+ configured = config.exists(base + [ifname, 'offload', 'lro'])
+ enabled, fixed = eth.get_large_receive_offload()
+ if configured and fixed:
+ config.delete(base + [ifname, 'offload', 'lro'])
+ elif enabled and not fixed:
+ config.set(base + [ifname, 'offload', 'lro'])
+
+ # If SG is enabled by the Kernel - we reflect this on the CLI. If SG is
+ # enabled via CLI but not supported by the NIC - we remove it from the CLI
+ configured = config.exists(base + [ifname, 'offload', 'sg'])
+ enabled, fixed = eth.get_scatter_gather()
+ if configured and fixed:
+ config.delete(base + [ifname, 'offload', 'sg'])
+ elif enabled and not fixed:
+ config.set(base + [ifname, 'offload', 'sg'])
+
+ # If TSO is enabled by the Kernel - we reflect this on the CLI. If TSO is
+ # enabled via CLI but not supported by the NIC - we remove it from the CLI
+ configured = config.exists(base + [ifname, 'offload', 'tso'])
+ enabled, fixed = eth.get_tcp_segmentation_offload()
+ if configured and fixed:
+ config.delete(base + [ifname, 'offload', 'tso'])
+ elif enabled and not fixed:
+ config.set(base + [ifname, 'offload', 'tso'])
+
+ # Remove deprecated UDP fragmentation offloading option
+ if config.exists(base + [ifname, 'offload', 'ufo']):
+ config.delete(base + [ifname, 'offload', 'ufo'])
+
+ # Also while processing the interface configuration, not all adapters support
+ # changing the speed and duplex settings. If the desired speed and duplex
+ # values do not work for the NIC driver, we change them back to the default
+ # value of "auto" - which will be applied if the CLI node is deleted.
+ speed_path = base + [ifname, 'speed']
+ duplex_path = base + [ifname, 'duplex']
+ # speed and duplex must always be set at the same time if not set to "auto"
+ if config.exists(speed_path) and config.exists(duplex_path):
+ speed = config.return_value(speed_path)
+ duplex = config.return_value(duplex_path)
+ if speed != 'auto' and duplex != 'auto':
+ if not eth.check_speed_duplex(speed, duplex):
+ config.delete(speed_path)
+ config.delete(duplex_path)
+
+ # Also while processing the interface configuration, not all adapters support
+ # changing disabling flow-control - or change this setting. If disabling
+ # flow-control is not supported by the NIC, we remove the setting from CLI
+ flow_control_path = base + [ifname, 'disable-flow-control']
+ if config.exists(flow_control_path):
+ if not eth.check_flow_control():
+ config.delete(flow_control_path)