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Current File : //lib/udev/rules.d/75-persistent-net-generator.rules

# do not edit this file, it will be overwritten on update

# these rules generate rules for persistent network device naming
#
# variables used to communicate:
#   MATCHADDR             MAC address used for the match
#   MATCHID               bus_id used for the match
#   MATCHDRV              driver name used for the match
#   MATCHIFTYPE           interface type match
#   COMMENT               comment to add to the generated rule
#   INTERFACE_NAME        requested name supplied by external tool
#   INTERFACE_NEW         new interface name returned by rule writer

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=="?*", ENV{INTERFACE_NAME}=="", GOTO="persistent_net_generator_end"
NAME=="?*", ENV{INTERFACE_NAME}=="?*", ENV{ASSIGNED_INTERFACE_NAME}="$name"

# device name whitelist
KERNEL!="eth*|ath*|wlan*[0-9]|msh*|ra*|sta*|ctc*|lcs*|hsi*", GOTO="persistent_net_generator_end"

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

# read MAC address
ENV{MATCHADDR}="$attr{address}"

# match interface type
ENV{MATCHIFTYPE}="$attr{type}"

# do not use empty address
ENV{MATCHADDR}=="00:00:00:00:00:00", ENV{MATCHADDR}=""

# do not use "locally administered" MAC address
ATTR{addr_assign_type}=="?*", ATTR{addr_assign_type}!="0", ENV{MATCHADDR}="", ENV{MATCHID}="$env{NET_MATCHID}"
ATTR{addr_assign_type}=="0", GOTO="globally_administered_whitelist"

# These vendors are known to violate the local MAC address assignment scheme
# Interlan, DEC (UNIBUS or QBUS), Apollo, Cisco, Racal-Datacom
ENV{MATCHADDR}=="02:07:01:*", GOTO="globally_administered_whitelist"
# 3Com
ENV{MATCHADDR}=="02:60:60:*", GOTO="globally_administered_whitelist"
# 3Com IBM PC; Imagen; Valid; Cisco; Apple
ENV{MATCHADDR}=="02:60:8c:*", GOTO="globally_administered_whitelist"
# Intel
ENV{MATCHADDR}=="02:a0:c9:*", GOTO="globally_administered_whitelist"
# Olivetti
ENV{MATCHADDR}=="02:aa:3c:*", GOTO="globally_administered_whitelist"
# CMC Masscomp; Silicon Graphics; Prime EXL
ENV{MATCHADDR}=="02:cf:1f:*", GOTO="globally_administered_whitelist"
# Prominet Corporation Gigabit Ethernet Switch
ENV{MATCHADDR}=="02:e0:3b:*", GOTO="globally_administered_whitelist"
# BTI (Bus-Tech, Inc.) IBM Mainframes
ENV{MATCHADDR}=="02:e6:d3:*", GOTO="globally_administered_whitelist"
# Realtek
ENV{MATCHADDR}=="52:54:00:*", GOTO="globally_administered_whitelist"
# Novell 2000
ENV{MATCHADDR}=="52:54:4c:*", GOTO="globally_administered_whitelist"
# Realtec
ENV{MATCHADDR}=="52:54:ab:*", GOTO="globally_administered_whitelist"
# Kingston Technologies
ENV{MATCHADDR}=="e2:0c:0f:*", GOTO="globally_administered_whitelist"

# match interface dev_id
ATTR{dev_id}=="?*", ENV{MATCHDEVID}="$attr{dev_id}"

# do not use "locally administered" MAC address
ENV{MATCHADDR}=="?[2367abef]:*", ENV{MATCHADDR}=""

LABEL="globally_administered_whitelist"

# build comment line for generated rule:
SUBSYSTEMS=="pci", ENV{COMMENT}="PCI device $attr{vendor}:$attr{device} ($driver)"
SUBSYSTEMS=="usb", ATTRS{idVendor}=="?*", ENV{COMMENT}="USB device 0x$attr{idVendor}:0x$attr{idProduct} ($driver)"
SUBSYSTEMS=="pcmcia", ENV{COMMENT}="PCMCIA device $attr{card_id}:$attr{manf_id} ($driver)"
SUBSYSTEMS=="ieee1394", ENV{COMMENT}="Firewire device $attr{host_id})"

# ibmveth likes to use "locally administered" MAC addresses
DRIVERS=="ibmveth", ENV{MATCHADDR}="$attr{address}", ENV{COMMENT}="ibmveth ($id)", ENV{MATCHID}=""

# S/390 uses id matches only, do not use MAC address match
SUBSYSTEMS=="ccwgroup", ENV{COMMENT}="S/390 $driver device at $id", ENV{MATCHID}="$id", ENV{MATCHDRV}="$driver", ENV{MATCHADDR}="", ENV{MATCHDEVID}=""

# see if we got enough data to create a rule
ENV{MATCHADDR}=="", ENV{MATCHID}=="", ENV{INTERFACE_NAME}=="", GOTO="persistent_net_generator_end"

# default comment
ENV{COMMENT}=="", ENV{COMMENT}="net device ($attr{driver})"

# write rule
DRIVERS=="?*", IMPORT{program}="write_net_rules"

# rename interface if needed
ENV{INTERFACE_NEW}=="?*", NAME="$env{INTERFACE_NEW}"

LABEL="persistent_net_generator_end"

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