File-copy from v4.4.100

This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Please refer to that tree for all history prior to this point.

Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/net/ieee802154/Kconfig b/net/ieee802154/Kconfig
new file mode 100644
index 0000000..188135b
--- /dev/null
+++ b/net/ieee802154/Kconfig
@@ -0,0 +1,30 @@
+menuconfig IEEE802154
+	tristate "IEEE Std 802.15.4 Low-Rate Wireless Personal Area Networks support"
+	---help---
+	  IEEE Std 802.15.4 defines a low data rate, low power and low
+	  complexity short range wireless personal area networks. It was
+	  designed to organise networks of sensors, switches, etc automation
+	  devices. Maximum allowed data rate is 250 kb/s and typical personal
+	  operating space around 10m.
+
+	  Say Y here to compile LR-WPAN support into the kernel or say M to
+	  compile it as modules.
+
+if IEEE802154
+
+config IEEE802154_NL802154_EXPERIMENTAL
+	bool "IEEE 802.15.4 experimental netlink support"
+	---help---
+	  Adds experimental netlink support for nl802154.
+
+config IEEE802154_SOCKET
+	tristate "IEEE 802.15.4 socket interface"
+	default y
+	---help---
+	  Socket interface for IEEE 802.15.4. Contains DGRAM sockets interface
+	  for 802.15.4 dataframes. Also RAW socket interface to build MAC
+	  header from userspace.
+
+source "net/ieee802154/6lowpan/Kconfig"
+
+endif