qcacld-3.0: Add API to get TX pending in WoW state

This change is used to provide an API for PMO module to
check whether there are pending TX frames before HOST sends
wake up indication to FW. PMO module uses this to indicate
FW whehter to discard HWDTIM.

Change-Id: Iea4081e69c397ab87bc90f46b672631f4589f389
CRs-Fixed: 3046953

core/cds/src/cds_api.c

@@ -133,8 +133,9 @@ static struct ol_if_ops  dp_ol_if_ops = {
 	.dp_prealloc_get_consistent = dp_prealloc_get_coherent,
 	.dp_prealloc_put_consistent = dp_prealloc_put_coherent,
 	.dp_get_multi_pages = dp_prealloc_get_multi_pages,
-	.dp_put_multi_pages = dp_prealloc_put_multi_pages
+	.dp_put_multi_pages = dp_prealloc_put_multi_pages,
 #endif
+	.dp_get_tx_inqueue = dp_get_tx_inqueue
     /* TODO: Add any other control path calls required to OL_IF/WMA layer */
 };
 #else

core/dp/txrx3.0/dp_txrx.c

@@ -975,3 +975,19 @@ void dp_prealloc_put_consistent_mem_unaligned(void *va_unaligned)
 		dp_err("unable to find vaddr %pK", va_unaligned);
 }
 #endif
+
+#ifdef FEATURE_RUNTIME_PM
+uint32_t dp_get_tx_inqueue(ol_txrx_soc_handle soc)
+{
+	struct dp_soc *dp_soc;
+
+	dp_soc = cdp_soc_t_to_dp_soc(soc);
+
+	return qdf_atomic_read(&dp_soc->tx_pending_rtpm);
+}
+#else
+uint32_t dp_get_tx_inqueue(ol_txrx_soc_handle soc)
+{
+	return 0;
+}
+#endif

core/dp/txrx3.0/dp_txrx.h

@@ -612,4 +612,6 @@ static inline void dp_prealloc_deinit(void) { }
 
 #endif
 
+uint32_t dp_get_tx_inqueue(ol_txrx_soc_handle soc);
+
 #endif /* _DP_TXRX_H */