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From f501c955e86eb3043ab5e3c5f2648ed4c8bb58a3 Mon Sep 17 00:00:00 2001
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From: Hannes Reinecke <hare@suse.de>
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Date: Thu, 11 Dec 2014 15:46:22 +0100
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Subject: [PATCH] 95fcoe: Store current configuration in dracut cmdline
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When running with --hostonly-cmdline we should be storing
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the current configuration in /etc/cmdline.d so that dracut
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will be configure the system automatically.
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References: bnc#877288
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Signed-off-by: Hannes Reinecke <hare@suse.de>
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Signed-off-by: Thomas Renninger <trenn@suse.de>
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(cherry picked from commit 8b257fcc86f9a470613c1a5719641144a688acf7)
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---
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modules.d/95fcoe/module-setup.sh | 45 ++++++++++++++++++++++++++++++++
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1 file changed, 45 insertions(+)
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diff --git a/modules.d/95fcoe/module-setup.sh b/modules.d/95fcoe/module-setup.sh
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index c000b3be..af2798dc 100755
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--- a/modules.d/95fcoe/module-setup.sh
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+++ b/modules.d/95fcoe/module-setup.sh
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@@ -13,6 +13,7 @@ check() {
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}
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require_binaries dcbtool fipvlan lldpad ip readlink fcoemon fcoeadm || return 1
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+
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return 0
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}
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@@ -25,6 +26,46 @@ installkernel() {
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instmods fcoe 8021q edd
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}
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+get_vlan_parent() {
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+ local link=$1
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+
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+ [ -d $link ] || return
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+ read iflink < $link/iflink
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+ for if in /sys/class/net/* ; do
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+ read idx < $if/ifindex
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+ if [ $idx -eq $iflink ] ; then
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+ echo ${if##*/}
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+ fi
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+ done
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+}
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+
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+# called by dracut
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+cmdline() {
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+
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+ for c in /sys/bus/fcoe/devices/ctlr_* ; do
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+ [ -L $c ] || continue
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+ read enabled < $c/enabled
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+ [ $enabled -eq 0 ] && continue
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+ d=$(cd -P $c; echo $PWD)
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+ i=${d%/*}
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+ read mac < ${i}/address
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+ s=$(dcbtool gc ${i##*/} dcb | sed -n 's/^DCB State:\t*\(.*\)/\1/p')
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+ if [ -z "$s" ] ; then
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+ p=$(get_vlan_parent ${i})
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+ if [ "$p" ] ; then
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+ s=$(dcbtool gc ${p} dcb | sed -n 's/^DCB State:\t*\(.*\)/\1/p')
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+ fi
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+ fi
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+ if [ "$s" = "on" ] ; then
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+ dcb="dcb"
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+ else
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+ dcb="nodcb"
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+ fi
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+ echo "fcoe=${mac}:${dcb}"
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+ done
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+}
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+
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+# called by dracut
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install() {
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inst_multiple ip dcbtool fipvlan lldpad readlink lldptool fcoemon fcoeadm
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inst_libdir_file 'libhbalinux.so*'
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@@ -33,6 +74,10 @@ install() {
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mkdir -m 0755 -p "$initdir/var/lib/lldpad"
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mkdir -m 0755 -p "$initdir/etc/fcoe"
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+ if [[ $hostonly_cmdline == "yes" ]] ; then
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+ local _fcoeconf=$(cmdline)
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+ [[ $_fcoeconf ]] && printf "%s\n" "$_fcoeconf" >> "${initdir}/etc/cmdline.d/95fcoe.conf"
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+ fi
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inst "$moddir/fcoe-up.sh" "/sbin/fcoe-up"
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inst "$moddir/fcoe-edd.sh" "/sbin/fcoe-edd"
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inst "$moddir/fcoe-genrules.sh" "/sbin/fcoe-genrules.sh"
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