diff --git a/Kbuild b/Kbuild
index 0bb2461..851468f 100644
--- a/Kbuild
+++ b/Kbuild
@@ -1767,6 +1767,16 @@
 		$(WMA_SRC_DIR)/wlan_qct_wma_legacy.o\
 		$(WMA_NDP_OBJS)
 
+#######DIRECT_BUFFER_RX#########
+ifeq ($(CONFIG_DIRECT_BUF_RX_ENABLE), y)
+DBR_DIR = $(WLAN_COMMON_ROOT)/target_if/direct_buf_rx
+UMAC_DBR_INC := -I$(WLAN_COMMON_INC)/target_if/direct_buf_tx/inc
+UMAC_DBR_OBJS := $(DBR_DIR)/src/target_if_direct_buf_rx_api.o \
+		 $(DBR_DIR)/src/target_if_direct_buf_rx_main.o \
+		 $(WLAN_COMMON_ROOT)/wmi/src/wmi_unified_dbr_api.o \
+		 $(WLAN_COMMON_ROOT)/wmi/src/wmi_unified_dbr_tlv.o
+endif
+
 ifeq ($(CONFIG_WLAN_FEATURE_DSRC), y)
 WMA_OBJS+=	$(WMA_SRC_DIR)/wma_ocb.o
 endif
@@ -1933,6 +1943,7 @@
 INCS +=		$(UMAC_COMMON_INC)
 INCS +=		$(UMAC_SPECTRAL_INC)
 INCS +=		$(UMAC_TARGET_SPECTRAL_INC)
+INCS +=		$(UMAC_DBR_INC)
 INCS +=		$(UMAC_CRYPTO_INC)
 
 OBJS :=		$(HDD_OBJS) \
@@ -2037,6 +2048,7 @@
 OBJS +=		$(WCFG_OBJS)
 
 OBJS +=		$(UMAC_SPECTRAL_OBJS)
+OBJS +=		$(UMAC_DBR_OBJS)
 
 ifeq ($(CONFIG_QCACLD_FEATURE_GREEN_AP), y)
 OBJS +=		$(UMAC_GREEN_AP_OBJS)
@@ -2086,6 +2098,9 @@
 cppflags-$(CONFIG_SUPPORT_11AX) += -DSUPPORT_11AX
 cppflags-$(CONFIG_HDD_INIT_WITH_RTNL_LOCK) += -DCONFIG_HDD_INIT_WITH_RTNL_LOCK
 cppflags-$(CONFIG_WLAN_CONV_SPECTRAL_ENABLE) += -DWLAN_CONV_SPECTRAL_ENABLE
+cppflags-$(CONFIG_DIRECT_BUF_RX_ENABLE) += -DDIRECT_BUF_RX_ENABLE
+cppflags-$(CONFIG_WMI_DBR_SUPPORT) += -DWMI_DBR_SUPPORT
+cppflags-$(CONFIG_DIRECT_BUF_RX_ENABLE) += -DDBR_MULTI_SRNG_ENABLE
 cppflags-$(CONFIG_WMI_CMD_STRINGS) += -DWMI_CMD_STRINGS
 cppflags-$(CONFIG_WLAN_FEATURE_TWT) += -DWLAN_SUPPORT_TWT
 
@@ -2197,6 +2212,7 @@
 
 cppflags-y += -DWLAN_FEATURE_P2P
 cppflags-y += -DWLAN_FEATURE_WFD
+
 ifeq ($(CONFIG_QCOM_VOWIFI_11R), y)
 cppflags-y += -DKERNEL_SUPPORT_11R_CFG80211
 cppflags-y += -DUSE_80211_WMMTSPEC_FOR_RIC