qcacld-2.0: Add interface to get channel width in sap mode

Add iwpriv interface to get channel width when working in sap mode.

Change-Id: I9900655861032636af1b4147ec6322e5aa76e614
CRs-Fixed: 1009861

4 files changed, 63 insertions, 0 deletions

diff --git a/CORE/HDD/inc/qc_sap_ioctl.h b/CORE/HDD/inc/qc_sap_ioctl.h
index 439b4d77243b..570e6c03001a 100644
--- a/CORE/HDD/inc/qc_sap_ioctl.h
+++ b/CORE/HDD/inc/qc_sap_ioctl.h
@@ -267,6 +267,7 @@ enum {
     QCASAP_PARAM_TX_STBC,
     QCASAP_PARAM_RX_STBC,
     QCASAP_SET_RADAR_DBG,
+    QCSAP_PARAM_CHAN_WIDTH,
 };
 
 int iw_get_channel_list(struct net_device *dev,
diff --git a/CORE/HDD/src/wlan_hdd_hostapd.c b/CORE/HDD/src/wlan_hdd_hostapd.c
index 8a6de894828f..f821fc1c8673 100644
--- a/CORE/HDD/src/wlan_hdd_hostapd.c
+++ b/CORE/HDD/src/wlan_hdd_hostapd.c
@@ -2472,6 +2472,42 @@ int hdd_softap_set_channel_change(struct net_device *dev, int target_channel)
     return ret;
 }
 
+/**
+ * hdd_sap_get_chan_width() - get channel width of sap
+ * @adapter: adapter being queried
+ * @value: where to store the value
+ *
+ * Return: 0 on success, negative errno on failure
+ */
+static int hdd_sap_get_chan_width(hdd_adapter_t *adapter, int *value)
+{
+	void *pvosctx;
+	uint32_t vht_channel_width = 0;
+	hdd_context_t *hdd_ctx;
+	hdd_hostapd_state_t *phostapdstate;
+
+	ENTER();
+	hdd_ctx = WLAN_HDD_GET_CTX(adapter);
+	phostapdstate = WLAN_HDD_GET_HOSTAP_STATE_PTR(adapter);
+
+	if (phostapdstate->bssState != BSS_START) {
+		*value = -EINVAL;
+		return -EINVAL;
+	}
+
+#ifdef WLAN_FEATURE_MBSSID
+	pvosctx = WLAN_HDD_GET_SAP_CTX_PTR(adapter);
+#else
+	pvosctx = hdd_ctx->pvosContext;
+#endif
+
+	wlansap_get_chan_width(pvosctx, &vht_channel_width);
+	*value = vht_channel_width;
+	hddLog(LOGW, FL("chan_width = %d"), vht_channel_width);
+
+	return 0;
+}
+
 int
 static __iw_softap_set_ini_cfg(struct net_device *dev,
                           struct iw_request_info *info,
@@ -3792,6 +3828,9 @@ static __iw_softap_getparam(struct net_device *dev,
         ret = hdd_get_rx_stbc(pHostapdAdapter, value);
         break;
 
+    case QCSAP_PARAM_CHAN_WIDTH:
+        ret = hdd_sap_get_chan_width(pHostapdAdapter, value);
+        break;
     default:
         hddLog(LOGE, FL("Invalid getparam command %d"), sub_cmd);
         ret = -EINVAL;
@@ -6687,6 +6726,8 @@ static const struct iw_priv_args hostapd_private_args[] = {
       IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,    "get_tx_stbc" },
   { QCASAP_PARAM_RX_STBC, 0,
       IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,    "get_rx_stbc" },
+  { QCSAP_PARAM_CHAN_WIDTH, 0,
+      IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,    "get_chwidth" },
 #ifdef WLAN_FEATURE_TSF
   { QCSAP_CAP_TSF, 0,
       IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,    "cap_tsf" },
diff --git a/CORE/SAP/inc/sapApi.h b/CORE/SAP/inc/sapApi.h
index 52452d09ea4d..dd37c2ecca1c 100644
--- a/CORE/SAP/inc/sapApi.h
+++ b/CORE/SAP/inc/sapApi.h
@@ -2394,6 +2394,8 @@ wlansap_get_phymode(v_PVOID_t pctx);
 VOS_STATUS wlansap_set_tx_leakage_threshold(tHalHandle hal,
 			uint16 tx_leakage_threshold);
 
+VOS_STATUS wlansap_get_chan_width(void *pvosctx,
+			uint32_t *pchanwidth);
 
 #ifdef __cplusplus
  }
diff --git a/CORE/SAP/src/sapModule.c b/CORE/SAP/src/sapModule.c
index fe619deb637a..0b369cc52dc8 100644
--- a/CORE/SAP/src/sapModule.c
+++ b/CORE/SAP/src/sapModule.c
@@ -4007,3 +4007,22 @@ VOS_STATUS wlansap_set_tx_leakage_threshold(tHalHandle hal,
 	return VOS_STATUS_SUCCESS;
 }
 
+/**
+ * wlansap_get_chan_width() - get sap channel width.
+ * @pvosctx: pointer of global vos context
+ * @pchanwidth: pointer of channel width
+ *
+ * This function get channel width of sap.
+ *
+ * Return: VOS_STATUS.
+ */
+VOS_STATUS
+wlansap_get_chan_width(void *pvosctx, uint32_t *pchanwidth)
+{
+	ptSapContext sapcontext;
+	sapcontext = VOS_GET_SAP_CB(pvosctx);
+	*pchanwidth = wlan_sap_get_vht_ch_width(sapcontext);
+
+	return VOS_STATUS_SUCCESS;
+}
+