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author | Koen Kooi <koen@dominion.thruhere.net> | 2011-05-29 20:33:05 +0200 |
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committer | Koen Kooi <koen@dominion.thruhere.net> | 2011-05-30 13:54:49 +0200 |
commit | 7aa7dd55db8db6ec350c743ce42eb469395a3208 (patch) | |
tree | 9ce1e8db459e8d5bef95454344659d6c2ef5e142 /meta-oe | |
parent | 83245fde83671e583fb4ecdc80a225a89e532ed9 (diff) | |
download | meta-openembedded-7aa7dd55db8db6ec350c743ce42eb469395a3208.tar.gz |
udev-extra-rules: recipe with extra rules previously provided by udev
These rules had no demonstratable benefit and slow down bootup a lot
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Diffstat (limited to 'meta-oe')
7 files changed, 228 insertions, 0 deletions
diff --git a/meta-oe/recipes-core/udev/udev-extra-rules.bb b/meta-oe/recipes-core/udev/udev-extra-rules.bb new file mode 100644 index 0000000000..bacf152d0b --- /dev/null +++ b/meta-oe/recipes-core/udev/udev-extra-rules.bb @@ -0,0 +1,33 @@ +DESCRIPTION = "Extra udev rules" +LICENSE = "MIT" +LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58" + +SRC_URI = " \ + file://automount.rules \ + file://mount.sh \ + file://mount.blacklist \ + file://autonet.rules \ + file://network.sh \ + file://local.rules \ +" + + +do_install() { + install -d ${D}${sysconfdir}/udev/rules.d + + install -m 0644 ${WORKDIR}/automount.rules ${D}${sysconfdir}/udev/rules.d/automount.rules + install -m 0644 ${WORKDIR}/autonet.rules ${D}${sysconfdir}/udev/rules.d/autonet.rules + install -m 0644 ${WORKDIR}/local.rules ${D}${sysconfdir}/udev/rules.d/local.rules + + install -m 0644 ${WORKDIR}/mount.blacklist ${D}${sysconfdir}/udev/ + + install -d ${D}${sysconfdir}/udev/scripts/ + + install -m 0755 ${WORKDIR}/mount.sh ${D}${sysconfdir}/udev/scripts/mount.sh + install -m 0755 ${WORKDIR}/network.sh ${D}${sysconfdir}/udev/scripts +} + +FILES_${PN} = "${sysconfdir}/udev" +RDEPENDS_${PN} = "udev" +PACKAGE_ARCH = "all" + diff --git a/meta-oe/recipes-core/udev/udev-extra-rules/automount.rules b/meta-oe/recipes-core/udev/udev-extra-rules/automount.rules new file mode 100644 index 0000000000..7e844c31bd --- /dev/null +++ b/meta-oe/recipes-core/udev/udev-extra-rules/automount.rules @@ -0,0 +1,19 @@ +# 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" + diff --git a/meta-oe/recipes-core/udev/udev-extra-rules/autonet.rules b/meta-oe/recipes-core/udev/udev-extra-rules/autonet.rules new file mode 100644 index 0000000000..19676aa13b --- /dev/null +++ b/meta-oe/recipes-core/udev/udev-extra-rules/autonet.rules @@ -0,0 +1,19 @@ +# 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 +# + +# Handle network interface setup +SUBSYSTEM=="net", ACTION=="add" RUN+="/etc/udev/scripts/network.sh" +SUBSYSTEM=="net", ACTION=="remove" RUN+="/etc/udev/scripts/network.sh" + diff --git a/meta-oe/recipes-core/udev/udev-extra-rules/local.rules b/meta-oe/recipes-core/udev/udev-extra-rules/local.rules new file mode 100644 index 0000000000..900a05a935 --- /dev/null +++ b/meta-oe/recipes-core/udev/udev-extra-rules/local.rules @@ -0,0 +1,24 @@ +# 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 +# + +# The first rtc device is symlinked to /dev/rtc +KERNEL=="rtc0", SYMLINK+="rtc" + +#The first framebuffer is symlinked to /dev/fb +KERNEL=="fb0", SYMLINK+="fb" + +# Try and modprobe for drivers for new hardware +ACTION=="add", DEVPATH=="/devices/*", ENV{MODALIAS}=="?*", RUN+="/sbin/modprobe $env{MODALIAS}" + diff --git a/meta-oe/recipes-core/udev/udev-extra-rules/mount.blacklist b/meta-oe/recipes-core/udev/udev-extra-rules/mount.blacklist new file mode 100644 index 0000000000..d3ebb17176 --- /dev/null +++ b/meta-oe/recipes-core/udev/udev-extra-rules/mount.blacklist @@ -0,0 +1,3 @@ +/dev/loop +/dev/ram +/dev/mtdblock diff --git a/meta-oe/recipes-core/udev/udev-extra-rules/mount.sh b/meta-oe/recipes-core/udev/udev-extra-rules/mount.sh new file mode 100644 index 0000000000..81bcfba5e3 --- /dev/null +++ b/meta-oe/recipes-core/udev/udev-extra-rules/mount.sh @@ -0,0 +1,72 @@ +#!/bin/sh +# +# Called from udev +# Attemp to mount any added block devices +# and remove any removed devices +# + +MOUNT="/bin/mount" +PMOUNT="/usr/bin/pmount" +UMOUNT="/bin/umount" +name="`basename "$DEVNAME"`" + +for line in `cat /etc/udev/mount.blacklist | grep -v ^#` +do + if ( echo "$DEVNAME" | grep -q "$line" ) + then + logger "udev/mount.sh" "[$DEVNAME] is blacklisted, ignoring" + exit 0 + fi +done + +automount() { + ! test -d "/media/$name" && mkdir -p "/media/$name" + + if ! $MOUNT -t auto -o async,relatime $DEVNAME "/media/$name" + then + #logger "mount.sh/automount" "$MOUNT -t auto $DEVNAME \"/media/$name\" failed!" + rm_dir "/media/$name" + else + logger "mount.sh/automount" "Auto-mount of [/media/$name] successful" + touch "/tmp/.automount-$name" + fi +} + +rm_dir() { + # We do not want to rm -r populated directories + if test "`find "$1" | wc -l | tr -d " "`" -lt 2 -a -d "$1" + then + ! test -z "$1" && rm -r "$1" + else + logger "mount.sh/automount" "Not removing non-empty directory [$1]" + fi +} + +if [ "$ACTION" = "add" ] && [ -n "$DEVNAME" ]; then + if [ -x "$PMOUNT" ]; then + $PMOUNT $DEVNAME 2> /dev/null + elif [ -x $MOUNT ]; then + $MOUNT $DEVNAME 2> /dev/null + fi + + # If the device isn't mounted at this point, it isn't configured in fstab + # 20061107: Small correction: The rootfs partition may be called just "rootfs" and not by + # its true device name so this would break. If the rootfs is mounted on two places + # during boot, it confuses the heck out of fsck. So Im auto-adding the root-partition + # to /etc/udev/mount.blacklist via postinst + + cat /proc/mounts | awk '{print $1}' | grep -q "^$DEVNAME$" || automount + +fi + + + +if [ "$ACTION" = "remove" ] && [ -x "$UMOUNT" ] && [ -n "$DEVNAME" ]; then + for mnt in `cat /proc/mounts | grep "$DEVNAME" | cut -f 2 -d " " ` + do + $UMOUNT -l $mnt + done + + # Remove empty directories from auto-mounter + test -e "/tmp/.automount-$name" && rm_dir "/media/$name" +fi diff --git a/meta-oe/recipes-core/udev/udev-extra-rules/network.sh b/meta-oe/recipes-core/udev/udev-extra-rules/network.sh new file mode 100644 index 0000000000..182c26d86a --- /dev/null +++ b/meta-oe/recipes-core/udev/udev-extra-rules/network.sh @@ -0,0 +1,58 @@ +#!/bin/sh + +# udevd does clearenv(). Export shell PATH to children. +export PATH + +# Do not run when pcmcia-cs is installed +test -x /sbin/cardctl && exit 0 + +# We get two "add" events for hostap cards due to wifi0 +echo "$INTERFACE" | grep -q wifi && exit 0 + + +# Check if /etc/init.d/network has been run yet to see if we are +# called by starting /etc/rcS.d/S03udev and not by hotplugging a device +# +# At this stage, network interfaces should not be brought up +# automatically because: +# a) /etc/init.d/network has not been run yet (security issue) +# b) /var has not been populated yet so /etc/resolv,conf points to +# oblivion, making the network unusable +# + +spoofp="`grep ^spoofprotect /etc/network/options`" +if test -z "$spoofp" +then + # This is the default from /etc/init.d/network + spoofp_val=yes +else + spoofp_val=${spoofp#spoofprotect=} +fi + +test "$spoofp_val" = yes && spoofp_val=1 || spoofp_val=0 + +# I think it is safe to assume that "lo" will always be there ;) +if test "`cat /proc/sys/net/ipv4/conf/lo/rp_filter`" != "$spoofp_val" -a -n "$spoofp_val" +then + echo "$INTERFACE" >> /dev/udev_network_queue + exit 0 +fi + +# +# Code taken from pcmcia-cs:/etc/pcmcia/network +# + +# if this interface has an entry in /etc/network/interfaces, let ifupdown +# handle it +if grep -q "iface \+$INTERFACE" /etc/network/interfaces; then + case $ACTION in + add) + ifconfig | grep -q "^$INTERFACE" || ifup $INTERFACE + ;; + remove) + ifdown $INTERFACE + ;; + esac + + exit 0 +fi |