--- /dev/null
+# Determine path to the root directory of the Linux kernel source for the
+# currently running kernel. Version can be hardcoded with environment variable:
+# KVERS=2.6.25-foo make
+# Kernel path can be overrided with KERNEL_PATH argument to make:
+# make KERNEL_PATH=/usr/src/linux
+KVERS ?= $(shell uname -r)
+KERNEL_PATH ?= /lib/modules/$(KVERS)/build
+
+hwsim:
+ $(MAKE) -C $(KERNEL_PATH) SUBDIRS=$(PWD) modules
+
+obj-m += mac80211_hwsim.o