qcacmn: Add os_if implementation of dcs chan stats

Add change to support get API for dcs chan stats from
within cp stats component

Change-Id: I55af5d83389f34c6c7ff9a7f2a7826eb3a9f4a4c
CRs-Fixed: 2247228

os_if/linux/cp_stats/inc/wlan_cfg80211_ic_cp_stats.h

@@ -32,6 +32,7 @@
 #ifdef WLAN_ATF_ENABLE
 #include <wlan_cp_stats_ic_atf_defs.h>
 #endif
+#include <wlan_cp_stats_ic_dcs_defs.h>
 
 /**
  * wlan_cfg80211_get_peer_cp_stats() - API to get peer stats object
@@ -93,5 +94,16 @@ int wlan_cfg80211_get_atf_peer_cp_stats_from_mac(
 		struct atf_peer_cp_stats *atf_cp_stats);
 #endif /* WLAN_ATF_ENABLE */
 
+/**
+ * wlan_cfg80211_get_dcs_pdev_cp_stats() - API to get DCS chan stats
+ * @pdev_obj: pdev object as input
+ * @dcs_chan_stats: DCS pdev stats object to populate
+ *
+ * Return: 0 on success, negative value on failure
+ */
+int wlan_cfg80211_get_dcs_pdev_cp_stats(
+		struct wlan_objmgr_pdev *pdev_obj,
+		struct pdev_dcs_chan_stats *dcs_chan_stats);
+
 #endif /* QCA_SUPPORT_CP_STATS */
 #endif /* __WLAN_CFG80211_IC_CP_STATS_H__ */

os_if/linux/cp_stats/src/wlan_cfg80211_ic_cp_stats.c

@@ -158,3 +158,28 @@ int wlan_cfg80211_get_atf_peer_cp_stats_from_mac(
 	return qdf_status_to_os_return(status);
 }
 #endif
+
+int
+wlan_cfg80211_get_dcs_pdev_cp_stats(struct wlan_objmgr_pdev *pdev_obj,
+				    struct pdev_dcs_chan_stats *dcs_chan_stats)
+{
+	QDF_STATUS status;
+
+	if (!pdev_obj) {
+		cfg80211_err("Invalid input, pdev obj is NULL");
+		return -EINVAL;
+	}
+
+	if (!dcs_chan_stats) {
+		cfg80211_err("Invalid input, dcs chan stats is NULL");
+		return -EINVAL;
+	}
+
+	status = wlan_ucfg_get_dcs_chan_stats(pdev_obj, dcs_chan_stats);
+	if (QDF_IS_STATUS_ERROR(status)) {
+		cfg80211_err("wlan_cfg80211_get_dcs_pdev_cp_stats status: %d",
+			     status);
+	}
+
+	return qdf_status_to_os_return(status);
+}