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data: add udev rules to make emulated ethernet devices default unmanaged

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There are some out-of-tree drivers that create devices masquerading as
ethernets which are supposed to use their own management tools. Avoid touching
them.

The rules should be run after 80-net-setup-link.rules, so that the
ID_NET_DRIVER is set.
This commit is contained in:
Lubomir Rintel 2015-01-22 16:41:15 +01:00
parent 85ee1f4a9c
commit 7ba30cfd26
2 changed files with 40 additions and 0 deletions
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34
data/85-nm-unmanaged.rules Normal file
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@ -0,0 +1,34 @@
# Do not modify this file, it will get overwriten on updates.
# To override or extend the rules place a file in /etc/udev/rules.d
SUBSYSTEM!="net", GOTO="nm_unmanaged_end"
# Determine ID_NET_DRIVER if there's no ID_NET_DRIVER or DRIVERS (old udev?)
ENV{ID_NET_DRIVER}=="?*", GOTO="nm_unmanaged_driver"
DRIVERS=="?*", GOTO="nm_unmanaged_driver"
PROGRAM="/bin/sh -c '/usr/sbin/ethtool -i $env{INTERFACE} |/bin/sed -n s/^driver:\ //p'", RESULT=="?*", ENV{ID_NET_DRIVER}="%c"
LABEL="nm_unmanaged_driver"
# VirtualBox host networking. Out-of-tree driver that looks like an ordinary
# Ethernet. No parent device (lives in /virtual/), no support for ethtool
# to identify the driver, MAC address defaults to 08:00:27:, but can be
# changed. Interface name will have to do, it's always vboxnet*.
ENV{INTERFACE}=="vboxnet[0-9]*", ENV{NM_UNMANAGED}="1"
# VMWare host networking. Out-of-tree driver that looks like an ordinary
# Ethernet. No parent device (lives in /virtual/), no support for
# ethtool to identify the driver. They have their own MAC prefix that
# can not be changed.
PROGRAM="/bin/cat %S%p/address", RESULT=="00:50:56:*", ENV{INTERFACE}=="vmnet[0-9]*", ENV{NM_UNMANAGED}="1"
# Parallels Workstation host networking. Out-of-tree driver that looks like
# an ordinary Ethernet. No parent device (lives in /virtual/), no support for
# ethtool to identify the driver and the interface name is too generic.
# However, they have their own MAC prefix that can not be changed.
PROGRAM="/bin/cat %S%p/address", RESULT=="00:1c:42:*", ENV{INTERFACE}=="vnic[0-9]*", ENV{NM_UNMANAGED}="1"
# Virtual Ethernet device pair. Often used to communicate with a peer interface
# in another net namespace and managed by libvirt, Docker or the like.
ENV{ID_NET_DRIVER}=="veth", ENV{NM_UNMANAGED}="1"
LABEL="nm_unmanaged_end"

6
data/Makefile.am
View file

@ -34,6 +34,11 @@ endif
examplesdir = $(docdir)/examples
examples_DATA = server.conf
if WITH_UDEV_DIR
udevrulesdir = $(UDEV_DIR)/rules.d
udevrules_DATA = 85-nm-unmanaged.rules
endif
server.conf: server.conf.in
$(edit) $< >$@
@ -51,6 +56,7 @@ EXTRA_DIST = \
NetworkManager-wait-online-systemd-pre200.service.in \
NetworkManager-dispatcher.service.in \
org.freedesktop.NetworkManager.service.in \
85-nm-unmanaged.rules \
server.conf.in
CLEANFILES = \