qcacmn: SON convergence

1) Defined modularized public api for cdp module
to track inactivity and over load detection.
2) Initialization calls are added to attach and
detach SON specific api.
3) operating system specific calls are replaced with qdf calls.

Change-Id: I130d1e99208d6454f5d9888774534cc6d619ad83

dp/inc/cdp_txrx_ctrl.h

@@ -250,10 +250,14 @@ cdp_set_inact_params(ol_txrx_soc_handle soc, struct cdp_pdev *pdev,
 			u_int16_t inact_normal,
 			u_int16_t inact_overload)
 {
+	if (!soc || !pdev)
+		return false;
+
 	if (soc->ops->ctrl_ops->txrx_set_inact_params)
 		return soc->ops->ctrl_ops->txrx_set_inact_params
 			(pdev, inact_check_interval, inact_normal,
 			inact_overload);
+
 	return false;
 }
 static inline bool
@@ -261,6 +265,9 @@ cdp_start_inact_timer(ol_txrx_soc_handle soc,
 	struct cdp_pdev *pdev,
 	bool enable)
 {
+	if (!soc || !pdev)
+		return false;
+
 	if (soc->ops->ctrl_ops->txrx_start_inact_timer)
 		return soc->ops->ctrl_ops->txrx_start_inact_timer
 			(pdev, enable);
@@ -280,8 +287,12 @@ static inline void
 cdp_set_overload(ol_txrx_soc_handle soc, struct cdp_pdev *pdev,
 	bool overload)
 {
+	if (!soc || !pdev)
+		return;
+
 	if (soc->ops->ctrl_ops->txrx_set_overload)
 		return soc->ops->ctrl_ops->txrx_set_overload(pdev, overload);
+
 	return;
 }
 
@@ -294,8 +305,12 @@ cdp_set_overload(ol_txrx_soc_handle soc, struct cdp_pdev *pdev,
 static inline bool
 cdp_peer_is_inact(ol_txrx_soc_handle soc, void *peer)
 {
+	if (!soc || !peer)
+		return false;
+
 	if (soc->ops->ctrl_ops->txrx_peer_is_inact)
 		return soc->ops->ctrl_ops->txrx_peer_is_inact(peer);
+
 	return false;
 }