kdump/kdump-initrd-network.patch

From: Julian Wolf <juwolf@suse.com>
Subject: Added dracut network activation in initrd to mkdumprd
Patch-mainline: not yet

Acked-by: Petr Tesarik <ptesarik@suse.cz>

---
 init/mkdumprd |   28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

--- a/init/mkdumprd
+++ b/init/mkdumprd
@@ -119,10 +119,34 @@ function run_mkinitrd()
 # Create a new initrd using dracut                                           {{{
 function run_dracut()
 {
+    local modules="kdump"
+
     . /lib/kdump/setup-kdump.functions
 
     DRACUT_ARGS="--force --hostonly --omit 'systemd plymouth resume usrmount'"
 
+    # network configuration
+    if [ "$KDUMP_NETCONFIG" = "auto" ] ; then
+	status_message "Network: auto"
+	DRACUT_ARGS+=" --kernel-cmdline 'rd.neednet=1 ip=any'"
+	modules="$modules network"
+    elif [ -z "$KDUMP_NETCONFIG" ] ; then
+	status_message "Network: none"
+    else
+	interface=$(echo "$KDUMP_NETCONFIG" | cut -d ':' -f 1)
+	mode=$(echo "$KDUMP_NETCONFIG" | cut -d ':' -f 2)
+
+	status_message "Network interface: $interface"
+	if [ "$mode" = "static" ] ; then
+            status_message "Network mode: Static IP"
+            DRACUT_ARGS+=" --kernel-cmdline 'rd.neednet=1'"
+	else
+            status_message "Network mode: Automatic IP (DHCP)"
+            DRACUT_ARGS+=" --kernel-cmdline 'rd.neednet=1 ip=${interface}:dhcp'"
+	fi
+	modules="$modules network"
+    fi
+
     # add mount points
     kdump_get_mountpoints || return 1
     i=0
@@ -135,8 +159,10 @@ function run_dracut()
     done
 
     # Check for additional modules
-    modules="kdump"
     for protocol in "${kdump_Protocol[@]}" ; do
+	if [ "$protocol" = "nfs" ]; then
+	    modules="$modules nfs"
+	fi
 	if [ "$protocol" = "cifs" -o "$protocol" = "smb" ]; then
             modules="$modules cifs"
 	fi