X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=extras%2Frule_generator%2F75-persistent-net-generator.rules;h=75b4534af2b88c23624297e900d5565260d7c73a;hp=fdebb919bc5725a15778081b9cb850a0b6cd79b7;hb=31c1f537450e96f8ddd6a0fad2adaefe57996f03;hpb=fbcbf70bb21a618024ce8c1ea0b4f6718c2a8dd2

diff --git a/extras/rule_generator/75-persistent-net-generator.rules b/extras/rule_generator/75-persistent-net-generator.rules
index fdebb919b..75b4534af 100644
--- a/extras/rule_generator/75-persistent-net-generator.rules
+++ b/extras/rule_generator/75-persistent-net-generator.rules
@@ -1,16 +1,62 @@
+# 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=="?*", 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"
+
+# read MAC address
+ENV{MATCHADDR}="$attr{address}"
+
+# match interface type
+ENV{MATCHIFTYPE}="$attr{type}"
+
+# do not use "locally administered" MAC address
+ENV{MATCHADDR}=="?[2367abef]:*", ENV{MATCHADDR}=""
+
+# do not use empty address
+ENV{MATCHADDR}=="00:00:00:00:00:00", ENV{MATCHADDR}=""
+
+# build comment line for 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=="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)"
+
+# 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}=""
+
+# see if we got enough data to create a rule
+ENV{MATCHADDR}=="", ENV{MATCHID}=="", ENV{INTERFACE_NAME}=="", GOTO="persistent_net_generator_end"
 
-ACTION=="add", SUBSYSTEM=="net", NAME!="?*", DRIVERS=="?*", GOTO="persistent_net_generator_do"
-GOTO="persistent_net_generator_end"
+# default comment
+ENV{COMMENT}=="", ENV{COMMENT}="net device ($attr{driver})"
 
-LABEL="persistent_net_generator_do"
-# export device description to comment the generated rule
-SUBSYSTEMS=="pci", ENV{COMMENT}="PCI Device: $attr{vendor}:$attr{device} ($attr{driver})"
-SUBSYSTEMS=="usb", ENV{COMMENT}="USB Device: 0x$attr{idVendor}:0x$attr{idProduct} ($attr{driver})"
-SUBSYSTEMS=="ieee1394", ENV{COMMENT}="Firewire Device: $attr{host_id} ($attr{driver})"
-SUBSYSTEMS=="xen", ENV{COMMENT}="Xen virtual device"
+# write rule
+DRIVERS=="?*", IMPORT{program}="write_net_rules"
 
-KERNEL=="eth*|ath*|wlan*|ra*|sta*", IMPORT{program}="write_net_rules $attr{address}"
+# rename interface if needed
 ENV{INTERFACE_NEW}=="?*", NAME="$env{INTERFACE_NEW}"
 
 LABEL="persistent_net_generator_end"