diff --git a/package/kernel/mac80211/Makefile b/package/kernel/mac80211/Makefile
index 3c88e451f1..611d5a73d8 100644
--- a/package/kernel/mac80211/Makefile
+++ b/package/kernel/mac80211/Makefile
@@ -57,6 +57,7 @@ PKG_CONFIG_DEPENDS:= \
 	CONFIG_PACKAGE_ATH_DEBUG \
 	CONFIG_PACKAGE_ATH_DFS \
 	CONFIG_PACKAGE_ATH_SPECTRAL \
+	CONFIG_PACKAGE_ATH_DYNACK \
 	CONFIG_PACKAGE_B43_DEBUG \
 	CONFIG_PACKAGE_B43_PIO \
 	CONFIG_PACKAGE_B43_PHY_G \
@@ -199,6 +200,17 @@ define KernelPackage/ath/config
 		help
 		  Say Y to enable access to the FFT/spectral data via debugfs.
 
+	config PACKAGE_ATH_DYNACK
+		bool "Enable Dynack support"
+		depends on PACKAGE_kmod-ath9k-common
+		help
+		  Enables support for Dynamic ACK estimation, which allows the fastest possible speed
+		  at any distance automatically by increasing/decreasing the max frame ACK time for
+		  the most remote station detected.  It can be enabled by using iw (iw phy0 set distance auto),
+		  or by sending the NL80211_ATTR_WIPHY_DYN_ACK flag to mac80211 driver using netlink.
+
+		  Select this option if you want to enable this feature
+
   endif
 endef
 
@@ -1630,7 +1642,7 @@ config-$(call config_package,ath) += ATH_CARDS ATH_COMMON ATH_REG_DYNAMIC_USER_R
 config-$(CONFIG_PACKAGE_ATH_DEBUG) += ATH_DEBUG ATH10K_DEBUG ATH9K_STATION_STATISTICS
 config-$(CONFIG_PACKAGE_ATH_DFS) += ATH9K_DFS_CERTIFIED ATH10K_DFS_CERTIFIED
 config-$(CONFIG_PACKAGE_ATH_SPECTRAL) += ATH9K_COMMON_SPECTRAL ATH10K_SPECTRAL
-
+config-$(CONFIG_PACKAGE_ATH_DYNACK) += ATH9K_DYNACK
 config-$(call config_package,ath9k) += ATH9K
 config-$(call config_package,ath9k-common) += ATH9K_COMMON
 config-$(CONFIG_TARGET_ar71xx) += ATH9K_AHB