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systemd/rules.d/75-net-description.rules
Lukas Nykryn 3b2e7dc5a2 udev: allow/denylist for reading sysfs attributes when composing a NIC name
Users can currently pick specific versions of NIC naming, but that
does not guarantee that NIC names won't change after the kernel adds
a new sysfs attribute.

This patch allows for an allow/deny list of sysfs attributes
that could be used when composing the name.

These lists can be supplied as an hwdb entry in the form of
/etc/udev/hwdb.d/50-net-naming-allowlist.hwdb
net:naming:drvirtio_net
  ID_NET_NAME_ALLOW=0
  ID_NET_NAME_ALLOW_ACPI_INDEX=1
  ID_NET_NAME_ALLOW_ADDR_ASSIGN_TYPE=1
  ID_NET_NAME_ALLOW_ADDRESS=1
  ID_NET_NAME_ALLOW_ARI_ENABLED=1
  ID_NET_NAME_ALLOW_DEV_PORT=1
  ID_NET_NAME_ALLOW_FUNCTION_ID=1
  ID_NET_NAME_ALLOW_IFLINK=1
  ID_NET_NAME_ALLOW_INDEX=1
  ID_NET_NAME_ALLOW_LABEL=1
  ID_NET_NAME_ALLOW_PHYS_PORT_NAME=1
  ID_NET_NAME_ALLOW_TYPE=1
2023-12-19 19:15:52 +09:00

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# do not edit this file, it will be overwritten on update
ACTION=="remove", GOTO="net_end"
SUBSYSTEM!="net", GOTO="net_end"
IMPORT{builtin}="hwdb 'net:naming:dr$env{ID_NET_DRIVER}:'"
IMPORT{builtin}="net_id"
SUBSYSTEMS=="usb", IMPORT{builtin}="usb_id", IMPORT{builtin}="hwdb --subsystem=usb"
SUBSYSTEMS=="usb", GOTO="net_end"
SUBSYSTEMS=="pci", ENV{ID_BUS}="pci", ENV{ID_VENDOR_ID}="$attr{vendor}", ENV{ID_MODEL_ID}="$attr{device}"
SUBSYSTEMS=="pci", IMPORT{builtin}="hwdb --subsystem=pci"
LABEL="net_end"