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-rw-r--r--extras/rule_generator/75-persistent-net-generator.rules27
1 files changed, 19 insertions, 8 deletions
diff --git a/extras/rule_generator/75-persistent-net-generator.rules b/extras/rule_generator/75-persistent-net-generator.rules
index 90d7f82d63..cfb13f182b 100644
--- a/extras/rule_generator/75-persistent-net-generator.rules
+++ b/extras/rule_generator/75-persistent-net-generator.rules
@@ -1,22 +1,33 @@
+# do not edit this file, it will be overwritten on update
+
# these rules generate rules for persistent network device naming
-ACTION=="add", SUBSYSTEM=="net", KERNEL=="eth*|ath*|wlan*|ra*|sta*|ctc*|lcs*|hsi*" \
- NAME!="?*", DRIVERS=="?*", GOTO="persistent_net_generator_do"
+ACTION!="add", GOTO="persistent_net_generator_end"
+SUBSYSTEM!="net", GOTO="persistent_net_generator_end"
+
+# device name whitelist
+KERNEL!="eth*|ath*|wlan*|ra*|sta*|ctc*|lcs*|hsi*", GOTO="persistent_net_generator_end"
+
+# ignore the interface if a name has already been set
+NAME=="?*", GOTO="persistent_net_generator_end"
-GOTO="persistent_net_generator_end"
-LABEL="persistent_net_generator_do"
+# ignore Xen virtual interfaces
+SUBSYSTEMS=="xen", GOTO="persistent_net_generator_end"
-# build device description string to add a comment the generated rule
+# build device description string to add a comment to the generated rule
SUBSYSTEMS=="pci", ENV{COMMENT}="PCI device $attr{vendor}:$attr{device} ($driver)"
SUBSYSTEMS=="usb", ENV{COMMENT}="USB device 0x$attr{idVendor}:0x$attr{idProduct} ($driver)"
SUBSYSTEMS=="pcmcia", ENV{COMMENT}="PCMCIA device $attr{card_id}:$attr{manf_id} ($driver)"
SUBSYSTEMS=="ccwgroup", ENV{COMMENT}="S/390 $driver device at $id", ENV{NETDEV}="$id", ENV{NETDRV}="$driver"
SUBSYSTEMS=="ieee1394", ENV{COMMENT}="Firewire device $attr{host_id})"
-SUBSYSTEMS=="xen", ENV{COMMENT}="Xen virtual device"
ENV{COMMENT}=="", ENV{COMMENT}="$env{SUBSYSTEM} device ($driver)"
-ENV{NETDEV}=="?*", IMPORT{program}="write_net_rules --driver $env{NETDRV} --id $env{NETDEV}"
-ENV{NETDEV}!="?*", IMPORT{program}="write_net_rules $attr{address}"
+DRIVERS!="?*", ENV{NETDEV}=="?*", IMPORT{program}="write_net_rules --driver $env{NETDRV} --id $env{NETDEV}"
+
+# skip "locally administered" MAC addresses
+ATTR{address}=="?[2367abef]:*", GOTO="persistent_net_generator_end"
+
+DRIVERS!="?*", ENV{NETDEV}!="?*", IMPORT{program}="write_net_rules $attr{address}"
ENV{INTERFACE_NEW}=="?*", NAME="$env{INTERFACE_NEW}"
LABEL="persistent_net_generator_end"