1 files changed, 17 insertions, 0 deletions

diff --git a/openembedded/packages/udev/files/local.rules b/openembedded/packages/udev/files/local.rules
index 4bcaaa8aba..5f2efbeb0c 100644
--- a/openembedded/packages/udev/files/local.rules
+++ b/openembedded/packages/udev/files/local.rules
@@ -1,5 +1,22 @@
+# There are a number of modifiers that are allowed to be used in some
+# of the different fields. They provide the following subsitutions:
+#
+# %n the "kernel number" of the device.
+#    For example, 'sda3' has a "kernel number" of '3'
+# %e the smallest number for that name which does not matches an existing node
+# %k the kernel name for the device
+# %M the kernel major number for the device
+# %m the kernel minor number for the device
+# %b the bus id for the device
+# %c the string returned by the PROGRAM
+# %s{filename} the content of a sysfs attribute
+# %% the '%' char itself
+#
+
+# Media automounting
 SUBSYSTEM=="block", ACTION=="add"    RUN+="/etc/udev/scripts/mount.sh"
 SUBSYSTEM=="block", ACTION=="remove" RUN+="/etc/udev/scripts/mount.sh"
 
+# Handle network interface setup
 SUBSYSTEM=="net", ACTION=="add" RUN+="/etc/udev/scripts/network.sh"
 SUBSYSTEM=="net", ACTION=="remove" RUN+="/etc/udev/scripts/network.sh"