[S390]: Rewrite of the IUCV base code, part 2

Add rewritten IUCV base code to net/iucv.
Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/s390/defconfig

@@ -179,6 +179,7 @@ CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
 # CONFIG_XFRM_SUB_POLICY is not set
 CONFIG_NET_KEY=y
+CONFIG_IUCV=m
 CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
 # CONFIG_IP_ADVANCED_ROUTER is not set

net/Kconfig

@@ -37,6 +37,7 @@ config NETDEBUG
 source "net/packet/Kconfig"
 source "net/unix/Kconfig"
 source "net/xfrm/Kconfig"
+source "net/iucv/Kconfig"
 
 config INET
 	bool "TCP/IP networking"

net/Makefile

@@ -47,6 +47,7 @@ obj-$(CONFIG_IP_SCTP)		+= sctp/
 obj-$(CONFIG_IEEE80211)		+= ieee80211/
 obj-$(CONFIG_TIPC)		+= tipc/
 obj-$(CONFIG_NETLABEL)		+= netlabel/
+obj-$(CONFIG_IUCV)		+= iucv/
 
 ifeq ($(CONFIG_NET),y)
 obj-$(CONFIG_SYSCTL)		+= sysctl_net.o

net/iucv/Kconfig

+config IUCV
+	tristate "IUCV support (VM only)"
+	depends on S390
+	help
+	  Select this option if you want to use inter-user communication under
+	  VM or VIF sockets. If you run on z/VM, say "Y" to enable a fast
+	  communication link between VM guests.

net/iucv/Makefile

+#
+# Makefile for IUCV
+#
+
+obj-$(CONFIG_IUCV)	+= iucv.o