qcacld-3.0: Add support to check if LRO is enabled or not

Add an API to validate if LRO is enabled or not based on
FEATURE_LRO flag.

Change-Id: I85bce60d3f7b47a57fba1122d058d17c474c456c
CRs-Fixed: 2298731

core/hdd/inc/wlan_hdd_lro.h

@@ -50,6 +50,16 @@ QDF_STATUS hdd_lro_set_reset(struct hdd_context *hdd_ctx,
 			     struct hdd_adapter *adapter,
 			     uint8_t enable_flag);
 
+/**
+ * hdd_is_lro_enabled() - Is LRO enabled
+ * @hdd_ctx: HDD context
+ *
+ * This function checks if LRO is enabled in HDD context.
+ *
+ * Return: 0 - success, < 0 - failure
+ */
+int hdd_is_lro_enabled(struct hdd_context *hdd_ctx);
+
 #else
 static inline int hdd_lro_init(struct hdd_context *hdd_ctx)
 {
@@ -72,5 +82,10 @@ static inline QDF_STATUS hdd_lro_set_reset(struct hdd_context *hdd_ctx,
 {
 	return 0;
 }
+
+static inline int hdd_is_lro_enabled(struct hdd_context *hdd_ctx)
+{
+	return -EOPNOTSUPP;
+}
 #endif /* FEATURE_LRO */
 #endif /* __WLAN_HDD_LRO_H__ */

core/hdd/src/wlan_hdd_lro.c

@@ -158,4 +158,10 @@ hdd_lro_set_reset(struct hdd_context *hdd_ctx, struct hdd_adapter *adapter,
 	return 0;
 }
 
+int hdd_is_lro_enabled(struct hdd_context *hdd_ctx)
+{
+	if (hdd_ctx->ol_enable != CFG_LRO_ENABLED)
+		return -EOPNOTSUPP;
 
+	return 0;
+}

core/hdd/src/wlan_hdd_tx_rx.c

@@ -1657,7 +1657,7 @@ static void hdd_register_rx_ol(void)
 
 	hdd_ctx->en_tcp_delack_no_lro = 0;
 
-	if (hdd_ctx->ol_enable == CFG_LRO_ENABLED) {
+	if (!hdd_is_lro_enabled(hdd_ctx)) {
 		cdp_register_rx_offld_flush_cb(soc, hdd_qdf_lro_flush);
 		hdd_ctx->receive_offload_cb = hdd_lro_rx;
 		hdd_debug("LRO is enabled");