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Lauszus/80-can.network

Last active February 19, 2025 15:20
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Ubuntu 20.04 auto configure CAN bus interfaces using systemd
Raw
80-can.network
[Match]
Name=can*
[CAN]
BitRate=250000
RestartSec=100ms
# Put this file in: "/etc/systemd/network/" and then run "sudo systemctl enable systemd-networkd" to enable systemd-networkd
# Now start systemd-networkd: "sudo systemctl start systemd-networkd"
# Credit: https://github.com/linux-can/can-utils/issues/68#issuecomment-584505426
Raw
80-can.rules
SUBSYSTEM=="net", KERNEL=="can*", ACTION=="add|change", ATTR{tx_queue_len}="1000"
# Add this to "/etc/udev/rules.d/80-can.rules" to increase the "txqueuelen" to 1000
# Then run to trigger an update:
# sudo udevadm control --reload-rules
# sudo udevadm trigger --subsystem-match=net --action=change
@vibnwis
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vibnwis commented Oct 15, 2020

Would you mind sharing what CAN-controller board do you use? what file is it you put in "/etc/systemd/network/"

@vibnwis
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vibnwis commented Oct 15, 2020

Okie, I resolved the file issue. May I know what CAN-Controller board do you use, please?

@Lauszus
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Lauszus commented Oct 15, 2020

@vibnwis I use a PCAN-USB dongle: https://www.peak-system.com/PCAN-USB.199.0.html?&L=1.

@lucasgolino
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This work as intend! Thanks for sharing!
I'm using those configuration with Mainsail OS with a CanBus over serial from a STM32 MCU w/ CAN Chain

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