[IPSEC]: Move xfrm_*.c into net/xfrm/

net/Kconfig

@@ -224,6 +224,8 @@ config IPV6
 
 source "net/ipv6/Kconfig"
 
+source "net/xfrm/Kconfig"
+
 source "net/sctp/Kconfig"
 
 config ATM

net/Makefile

@@ -14,7 +14,7 @@ obj-$(CONFIG_COMPAT)		+= compat.o
 # LLC has to be linked before the files in net/802/
 obj-$(CONFIG_LLC)		+= llc/
 obj-$(CONFIG_NET)		+= ethernet/ 802/ sched/ netlink/
-obj-$(CONFIG_INET)		+= ipv4/
+obj-$(CONFIG_INET)		+= ipv4/ xfrm/
 obj-$(CONFIG_UNIX)		+= unix/
 obj-$(CONFIG_IPV6)		+= ipv6/
 obj-$(CONFIG_PACKET)		+= packet/

net/ipv4/Kconfig

@@ -362,13 +362,5 @@ config INET_ESP
 
 	  If unsure, say Y.
 
-config XFRM_USER
-	tristate "IP: IPsec user configuration interface"
-	---help---
-	  Support for IPsec user configuration interface used
-	  by native Linux tools.
-
-	  If unsure, say Y.
-
 source "net/ipv4/netfilter/Kconfig"
 

net/ipv4/Makefile

@@ -20,6 +20,5 @@ obj-$(CONFIG_INET_AH) += ah.o
 obj-$(CONFIG_INET_ESP) += esp.o
 obj-$(CONFIG_IP_PNP) += ipconfig.o
 obj-$(CONFIG_NETFILTER)	+= netfilter/
-obj-$(CONFIG_XFRM_USER) += xfrm_user.o
 
-obj-y += xfrm_policy.o xfrm4_policy.o xfrm_state.o xfrm4_state.o xfrm_input.o xfrm4_input.o xfrm_algo.o
+obj-y += xfrm4_policy.o xfrm4_state.o xfrm4_input.o

net/xfrm/Kconfig

+#
+# XFRM configuration
+#
+config XFRM_USER
+	tristate "IPsec user configuration interface"
+	depends on INET
+	---help---
+	  Support for IPsec user configuration interface used
+	  by native Linux tools.
+
+	  If unsure, say Y.
+

net/xfrm/Makefile

+#
+# Makefile for the XFRM subsystem.
+#
+
+obj-y := xfrm_policy.o xfrm_state.o xfrm_input.o xfrm_algo.o
+obj-$(CONFIG_XFRM_USER) += xfrm_user.o
+