File 0152-network-add-iBFT-interface-configuration.patch of Package dracut

From 0828d4c3574693ae80c217229e1bba6948dc9509 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Wed, 8 Dec 2010 12:25:12 +0100
Subject: [PATCH] network: add iBFT interface configuration

---
 dracut.8                             |  9 +++++++--
 modules.d/40network/ifup             |  2 ++
 modules.d/40network/install          |  4 ++--
 modules.d/40network/parse-ip-opts.sh | 32 ++++++++++++++++++++++++++++++++
 4 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/dracut.8 b/dracut.8
index 1139f75..ce39061 100644
--- a/dracut.8
+++ b/dracut.8
@@ -247,12 +247,17 @@ This parameter can be specified multiple times.
 
 .SS Network
 .TP
-.BR ip= {dhcp|on|any|dhcp6|auto6}
+.BR ip= {dhcp|on|any|dhcp6|auto6|ibft}
 dhcp|on|any: get ip from dhcp server from all interfaces. If root=dhcp, 
 loop sequentially through all interfaces (eth0, eth1, ...) and use the first 
 with a valid DHCP root-path.
+.sp
+\fBauto6\fR: IPv6 autoconfiguration
+.sp
+\fBdhcp6\fR: IPv6 DHCP
+.sp
+\fBibft\fR: iBFT autoconfiguration
 
-auto6: do IPv6 autoconfiguration
 .TP
 .BR ip= <interface>:{dhcp|on|any|dhcp6|auto6}
 dhcp|on|any|dhcp6: get ip from dhcp server on a specific interface
diff --git a/modules.d/40network/ifup b/modules.d/40network/ifup
index 6ef1010..ebdaa3c 100755
--- a/modules.d/40network/ifup
+++ b/modules.d/40network/ifup
@@ -140,6 +140,8 @@ fi
 # looking for ip= lines
 for p in $(getargs ip=); do
     ip_to_var $p
+    # skip ibft
+    [ "$autoconf" = "ibft" ] && continue
 	
     # If this option isn't directed at our interface, skip it
     [ -n "$dev" ] && [ "$dev" != "$netif" ] && continue
diff --git a/modules.d/40network/install b/modules.d/40network/install
index 398d4e4..abfa7a5 100755
--- a/modules.d/40network/install
+++ b/modules.d/40network/install
@@ -7,8 +7,8 @@ inst "$moddir/dhclient.conf" "/etc/dhclient.conf"
 inst_hook pre-udev 50 "$moddir/ifname-genrules.sh"
 inst_hook pre-udev 60 "$moddir/net-genrules.sh"
 inst_hook cmdline 91 "$moddir/dhcp-root.sh"
-inst_hook cmdline 99 "$moddir/parse-ip-opts.sh"
-inst_hook cmdline 98 "$moddir/parse-bridge.sh"
+inst_hook cmdline 97 "$moddir/parse-bridge.sh"
+inst_hook cmdline 98 "$moddir/parse-ip-opts.sh"
 inst_hook cmdline 99 "$moddir/parse-ifname.sh"
 inst_hook pre-pivot 10 "$moddir/kill-dhclient.sh"
 
diff --git a/modules.d/40network/parse-ip-opts.sh b/modules.d/40network/parse-ip-opts.sh
index a3c9597..8ec94bf 100755
--- a/modules.d/40network/parse-ip-opts.sh
+++ b/modules.d/40network/parse-ip-opts.sh
@@ -49,11 +49,43 @@ if [ -n "$NEEDBOOTDEV" ] ; then
     [ -z "$BOOTDEV" ] && die "Bootdev argument is empty"
 fi
 
+if [ "ibft" = "$(getarg ip=)" ]; then
+    modprobe ibft
+    num=0
+    (   
+	for iface in /sys/firmware/ibft/ethernet*; do
+	    [ -e ${iface}/mac ] || continue
+            ifname_mac=$(read a < ${iface}/mac; echo $a)
+	    [ -z "$ifname_mac" ] || continue
+            ifname_if=ibft$num
+	    num=$(( $num + 1 ))
+	    echo "ifname=$ifname_if:$ifname_mac"
+	    dev=$ifname_if
+
+	    dhcp=$(read a < ${iface}/dhcp; echo $a)
+	    if [ -n "$dhcp" ]; then
+		echo "ip=$dev:dhcp"
+	    else
+		ip=$(read a < ${iface}/ip-addr; echo $a)
+		gw=$(read a < ${iface}/gateway; echo $a)
+		mask=$(read a < ${iface}/subnet-mask; echo $a)
+		hostname=$(read a < ${iface}/hostname; echo $a)
+		echo "ip=$ip::$gw:$mask:$hostname:$dev:none"
+	    fi
+	done
+    ) >> /etc/cmdline
+    # reread cmdline
+    unset CMDLINE
+fi
+
 # Check ip= lines
 # XXX Would be nice if we could errorcheck ip addresses here as well
 for p in $(getargs ip=); do
     ip_to_var $p
 
+    # skip ibft
+    [ "$autoconf" = "ibft" ] && continue
+
     # We need to have an ip= line for the specified bootdev
     [ -n "$NEEDBOOTDEV" ] && [ "$dev" = "$BOOTDEV" ] && BOOTDEVOK=1
 
-- 
1.8.3.1