diff options
Diffstat (limited to 'rules/debian/75-persistent-net-generator.rules')
| -rw-r--r-- | rules/debian/75-persistent-net-generator.rules | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/rules/debian/75-persistent-net-generator.rules b/rules/debian/75-persistent-net-generator.rules new file mode 100644 index 0000000000..e8d3b888e0 --- /dev/null +++ b/rules/debian/75-persistent-net-generator.rules @@ -0,0 +1,86 @@ +# These rules generate rules to keep network interface names unchanged +# across reboots write them to /etc/udev/rules.d/70-persistent-net.rules. + +# 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=="?*", GOTO="persistent_net_generator_end" + +# ignore interfaces without a driver link like bridges and VLANs +DRIVERS!="?*", GOTO="persistent_net_generator_end" + +# 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" + +# ignore UML virtual interfaces +DRIVERS=="uml-netdev", GOTO="persistent_net_generator_end" + +# ignore "secondary" raw interfaces of the madwifi driver +KERNEL=="ath*", ATTRS{type}=="802", GOTO="persistent_net_generator_end" + +# ignore "secondary" monitor interfaces of mac80211 drivers +KERNEL=="wlan*", ATTRS{type}=="803", GOTO="persistent_net_generator_end" + +# by default match on the MAC address and interface type +ENV{MATCHADDR}="$attr{address}" +ENV{MATCHIFTYPE}="$attr{type}" + +# ignore interfaces with locally administered or null MAC addresses +# and VMWare virtual interfaces +ENV{MATCHADDR}=="?[2367abef]:*", ENV{MATCHADDR}="" +ENV{MATCHADDR}=="00:00:00:00:00:00", ENV{MATCHADDR}="" +ENV{MATCHADDR}=="00:0c:29:*|00:50:56:*", ENV{MATCHADDR}="" + +# ibmveth interfaces have stable locally administered MAC addresses +SUBSYSTEMS=="ibmveth", ENV{MATCHADDR}="$attr{address}" + +# S/390 interfaces are matched only by id +SUBSYSTEMS=="ccwgroup", \ + ENV{MATCHDRV}="$driver", ENV{MATCHID}="$id", ENV{MATCHADDR}="" + +# terminate processing if there are not enough conditions to create a rule +ENV{MATCHADDR}=="", ENV{MATCHID}=="", ENV{INTERFACE_NAME}=="", \ + GOTO="persistent_net_generator_end" + + +# provide nice comments for the generated rules +SUBSYSTEMS=="pci", \ + ENV{COMMENT}="PCI device $attr{vendor}:$attr{device}" +SUBSYSTEMS=="pcmcia", \ + ENV{COMMENT}="PCMCIA device $attr{card_id}:$attr{manf_id}" +SUBSYSTEMS=="usb", \ + ENV{COMMENT}="USB device 0x$attr{idVendor}:0x$attr{idProduct}" +SUBSYSTEMS=="ccwgroup", \ + ENV{COMMENT}="S/390 device at $id" +SUBSYSTEMS=="ibmveth", \ + ENV{COMMENT}="LPAR virtual 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})" + + +# generate and write the rule +IMPORT{program}="write_net_rules" + +# rename the interface if requested +ENV{INTERFACE_NEW}=="?*", NAME="$env{INTERFACE_NEW}" + +LABEL="persistent_net_generator_end" + |