# These rules generate rules to keep network interface names unchanged
# across reboots write them to /etc/udev/rules.d/z25_persistent-net.rules.
#
# The default name for this file is z45_persistent-net-generator.rules.

ACTION!="add",				GOTO="persistent_net_generator_end"
SUBSYSTEM!="net",			GOTO="persistent_net_generator_end"

# ignore the interface if a name has already been set
NAME=="?*",				GOTO="persistent_net_generator_end"

# ignore Xen virtual interfaces
SUBSYSTEMS=="xen",			GOTO="persistent_net_generator_end"

# ignore UML virtual interfaces
DRIVERS=="uml-netdev",			GOTO="persistent_net_generator_end"

# ignore VMWare virtual interfaces
ATTR{address}=="00:0c:29:*|00:50:56:*",	GOTO="persistent_net_generator_end"

# ignore interfaces with random MAC addresses
ATTR{address}=="?[2367abef]:*",		GOTO="persistent_net_generator_end"

# ignore "secondary" raw interfaces of the madwifi driver
KERNEL=="ath*", ATTRS{type}=="802",	GOTO="persistent_net_generator_end"

# provide nice comments for the generated rules
SUBSYSTEMS=="pci", \
 ENV{COMMENT}="PCI device $attr{vendor}:$attr{device}"
SUBSYSTEMS=="usb", \
 ENV{COMMENT}="USB device $attr{idVendor}:$attr{idProduct}"
SUBSYSTEMS=="ccwgroup", \
 ENV{COMMENT}="S/390 device at $id",
SUBSYSTEMS=="ieee1394", \
 ENV{COMMENT}="Firewire device $attr{host_id}"
ENV{COMMENT}=="", \
 ENV{COMMENT}="Unknown $env{SUBSYSTEM} device ($env{DEVPATH})"
ATTRS{driver}=="?*", \
 ENV{COMMENT}="$env{COMMENT} ($attr{driver})"

# ignore interfaces without a driver link like bridges and VLANs
KERNEL=="eth*|ath*|wlan*|ra*|sta*|ctc*|lcs*|hsi*", DRIVERS=="?*",\
	IMPORT{program}="write_net_rules $attr{address}"

ENV{INTERFACE_NEW}=="?*", NAME="$env{INTERFACE_NEW}"

LABEL="persistent_net_generator_end"