From 49369cafe412e734e174fa3dccd5878499d28702 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Wed, 25 Jul 2007 15:42:39 +0200
Subject: [PATCH] rules_generator: add S/390 persistent network support

---
 .../75-persistent-net-generator.rules         | 12 +++---
 extras/rule_generator/write_net_rules         | 42 +++++++++++++++----
 2 files changed, 42 insertions(+), 12 deletions(-)

diff --git a/extras/rule_generator/75-persistent-net-generator.rules b/extras/rule_generator/75-persistent-net-generator.rules
index 21eb0c6649..0ff395d136 100644
--- a/extras/rule_generator/75-persistent-net-generator.rules
+++ b/extras/rule_generator/75-persistent-net-generator.rules
@@ -1,19 +1,21 @@
 # these rules generate rules for persistent network device naming
 
-ACTION=="add", SUBSYSTEM=="net", KERNEL=="eth*|ath*|wlan*|ra*|sta*" \
+ACTION=="add", SUBSYSTEM=="net", KERNEL=="eth*|ath*|wlan*|ra*|sta*|ctc*|lcs*|hsi*" \
 	NAME!="?*", DRIVERS=="?*", GOTO="persistent_net_generator_do"
 
 GOTO="persistent_net_generator_end"
 LABEL="persistent_net_generator_do"
 
 # build device description string to add a comment the generated rule
-SUBSYSTEMS=="pci", ENV{COMMENT}="PCI device $attr{vendor}:$attr{device} ($attr{driver})"
-SUBSYSTEMS=="usb", ENV{COMMENT}="USB device 0x$attr{idVendor}:0x$attr{idProduct} ($attr{driver})"
+SUBSYSTEMS=="pci", ENV{COMMENT}="PCI device $attr{vendor}:$attr{device} ($driver)"
+SUBSYSTEMS=="usb", ENV{COMMENT}="USB device 0x$attr{idVendor}:0x$attr{idProduct} ($driver)"
+SUBSYSTEMS=="ccwgroup", ENV{COMMENT}="S/390 $driver device at $id", ENV{NETDEV}="$id", ENV{NETDRV}="$driver"
 SUBSYSTEMS=="ieee1394", ENV{COMMENT}="Firewire device $attr{host_id})"
 SUBSYSTEMS=="xen", ENV{COMMENT}="Xen virtual device"
-ENV{COMMENT}=="", ENV{COMMENT}="$env{SUBSYSTEM} device ($attr{driver})"
+ENV{COMMENT}=="", ENV{COMMENT}="$env{SUBSYSTEM} device ($driver)"
 
-IMPORT{program}="write_net_rules $attr{address}"
+ENV{NETDEV}=="?*", IMPORT{program}="write_net_rules --driver $env{NETDRV} --id $env{NETDEV}"
+ENV{NETDEV}!="?*", IMPORT{program}="write_net_rules $attr{address}"
 ENV{INTERFACE_NEW}=="?*", NAME="$env{INTERFACE_NEW}"
 
 LABEL="persistent_net_generator_end"
diff --git a/extras/rule_generator/write_net_rules b/extras/rule_generator/write_net_rules
index b709200a35..e7386b057c 100644
--- a/extras/rule_generator/write_net_rules
+++ b/extras/rule_generator/write_net_rules
@@ -69,7 +69,7 @@ if [ "$1" = "all_interfaces" ]; then
 
 	for INTERFACE in *; do
 		case $INTERFACE in
-		eth*|ath*|wlan*|ra*|sta*) ;;
+		eth*|ath*|wlan*|ra*|sta*|ctc*|hsi*) ;;
 		*) continue ;;
 		esac
 
@@ -86,18 +86,42 @@ if [ -z "$INTERFACE" ]; then
 fi
 
 if [ "$1" ]; then
-	MAC_ADDR="$1"
+    while [ "$*" ] ; do
+	case $1 in
+	    --mac)
+		shift
+		MAC_ADDR=$1
+		shift
+		;;
+	    --driver)
+		shift
+		DRIVER=$1
+		shift
+		;;
+	    --id)
+		shift
+		ID=$1
+		shift
+		;;
+	    *)
+		MAC_ADDR=$1
+		shift
+		;;
+	esac
+    done
 else
-	MAC_ADDR=$(sysread address)
+    MAC_ADDR=$(sysread address)
 fi
 
-if [ -z "$MAC_ADDR" ]; then
+if [ -z "$DRIVER" ] && [ -z "$ID" ] ; then
+    if [ -z "$MAC_ADDR" ]; then
 	echo "No MAC address for $INTERFACE." >&2
 	exit 1
-fi
-if [ "$MAC_ADDR" = "00:00:00:00:00:00" ]; then
+    fi
+    if [ "$MAC_ADDR" = "00:00:00:00:00:00" ]; then
 	echo "NULL MAC address for $INTERFACE." >&2
 	exit 1
+    fi
 fi
 
 # Prevent concurrent processes from modifying the file at the same time.
@@ -117,7 +141,11 @@ if interface_name_taken; then
 fi
 
 # the DRIVERS key is needed to not match bridges and VLAN sub-interfaces
-match="DRIVERS==\"?*\", ATTRS{address}==\"$MAC_ADDR\""
+if [ "$MAC_ADDR" ] ; then
+    match="DRIVERS==\"?*\", ATTRS{address}==\"$MAC_ADDR\""
+else
+    match="DRIVERS==\"$DRIVER\", KERNELS==\"$ID\""
+fi
 if [ $basename = "ath" -o $basename = "wlan" ]; then
 	match="$match, ATTRS{type}==\"1\"" # do not match the wifi* interfaces
 fi