kmod: add netlink-diag package

This is used by the ss utility from iproute2.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

package/kernel/linux/modules/netsupport.mk

@@ -1243,3 +1243,18 @@ define KernelPackage/macsec/description
 endef
 
 $(eval $(call KernelPackage,macsec))
+
+
+define KernelPackage/netlink-diag
+  SUBMENU:=$(NETWORK_SUPPORT_MENU)
+  TITLE:=Netlink diag support for ss utility
+  KCONFIG:=CONFIG_NETLINK_DIAG
+  FILES:=$(LINUX_DIR)/net/netlink/netlink_diag.ko
+  AUTOLOAD:=$(call AutoLoad,31,netlink-diag)
+endef
+
+define KernelPackage/netlink-diag/description
+ Netlink diag is a module made for use with iproute2's ss utility
+endef
+
+$(eval $(call KernelPackage,netlink-diag))