qcacmn: Add an ini control to disable Dynamic GRO feature

Dynamic GRO feature is enabled by default and aimed for specific
customers. Add an ini control to allow other customers to config
this feature enable/disable.

Change-Id: I7f505599327ac131b3cdac9b4d9e038861b1aeb6
CRs-Fixed: 3074689

wlan_cfg/cfg_dp.h

@@ -704,9 +704,34 @@
 	CFG_INI_BOOL("dp_sg_support", false, \
 	"DP SG Enable")
 
+#define WLAN_CFG_GRO_ENABLE_MIN 0
+#define WLAN_CFG_GRO_ENABLE_MAX 3
+#define WLAN_CFG_GRO_ENABLE_DEFAULT 0
+#define DP_GRO_ENABLE_BIT_SET     BIT(0)
+#define DP_FORCE_USE_GRO_BIT_SET  BIT(1)
+/*
+ * <ini>
+ * CFG_DP_GRO - Enable the GRO feature standalonely
+ * @Min: 0
+ * @Max: 3
+ * @Default: 0
+ *
+ * This ini entry is used to enable/disable GRO feature standalonely.
+ * Value 0: Disable GRO feature
+ * Value 1: Enable Dynamic GRO feature, TC rule can control GRO
+ *          behavior of STA mode
+ * Value 3: Enable GRO feature forcibly
+ *
+ * Usage: External
+ *
+ * </ini>
+ */
 #define CFG_DP_GRO \
-	CFG_INI_BOOL("GROEnable", false, \
-	"DP GRO Enable")
+		CFG_INI_UINT("GROEnable", \
+		WLAN_CFG_GRO_ENABLE_MIN, \
+		WLAN_CFG_GRO_ENABLE_MAX, \
+		WLAN_CFG_GRO_ENABLE_DEFAULT, \
+		CFG_VALUE_OR_DEFAULT, "DP GRO Enable")
 
 #define CFG_DP_OL_TX_CSUM \
 	CFG_INI_BOOL("dp_offload_tx_csum_support", false, \