qcacld-3.0: Remove obsolete STA support for SIOCGIWFREQ

At one time the predecessor to the current driver was managed via
wireless extensions, but now the driver is managed by cfg80211. The
STA implementation of SIOCGIWFREQ should no longer be used, so remove
it.

Change-Id: Ibcd738c564209010aeeda59e5ec193e2e93d853b
CRs-Fixed: 2128997

core/hdd/src/wlan_hdd_wext.c

@@ -4745,93 +4745,6 @@ static int iw_set_freq(struct net_device *dev, struct iw_request_info *info,
 	return ret;
 }
 
-/**
- * __iw_get_freq() - SIOCGIWFREQ ioctl handler
- * @dev: device upon which the ioctl was received
- * @info: ioctl request information
- * @wrqu: ioctl request data
- * @extra: ioctl extra data
- *
- * Return: 0 on success, non-zero on error
- */
-static int __iw_get_freq(struct net_device *dev, struct iw_request_info *info,
-			 struct iw_freq *fwrq, char *extra)
-{
-	uint32_t status = false, channel = 0, freq = 0;
-	struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
-	tHalHandle hHal;
-	struct hdd_wext_state *pWextState;
-	tCsrRoamProfile *pRoamProfile;
-	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
-	struct hdd_context *hdd_ctx;
-	int ret;
-
-	ENTER_DEV(dev);
-
-	hdd_ctx = WLAN_HDD_GET_CTX(adapter);
-	ret = wlan_hdd_validate_context(hdd_ctx);
-	if (0 != ret)
-		return ret;
-
-	ret = hdd_check_standard_wext_control(hdd_ctx, info);
-	if (0 != ret)
-		return ret;
-
-	pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(adapter);
-	hHal = WLAN_HDD_GET_HAL_CTX(adapter);
-
-	pRoamProfile = &pWextState->roamProfile;
-
-	if (sta_ctx->conn_info.connState == eConnectionState_Associated) {
-		if (sme_get_operation_channel(hHal, &channel,
-			adapter->sessionId) != QDF_STATUS_SUCCESS) {
-			hdd_err("failed to get operating channel %u",
-				  adapter->sessionId);
-			return -EIO;
-		}
-		status = hdd_wlan_get_freq(channel, &freq);
-		if (true == status) {
-			/* Set Exponent parameter as 6 (MHZ)
-			 * in struct iw_freq iwlist & iwconfig
-			 * command shows frequency into proper
-			 * format (2.412 GHz instead of 246.2
-			 * MHz)
-			 */
-			fwrq->m = freq;
-			fwrq->e = MHZ;
-		}
-	} else {
-		/* Set Exponent parameter as 6 (MHZ) in struct iw_freq
-		 * iwlist & iwconfig command shows frequency into proper
-		 * format (2.412 GHz instead of 246.2 MHz)
-		 */
-		fwrq->m = 0;
-		fwrq->e = MHZ;
-	}
-	return 0;
-}
-
-/**
- * iw_get_freq() - SSR wrapper for __iw_get_freq()
- * @dev: pointer to net_device
- * @info: pointer to iw_request_info
- * @fwrq: pointer to frequency data
- * @extra: pointer to extra ioctl payload
- *
- * Return: 0 on success, error number otherwise
- */
-static int iw_get_freq(struct net_device *dev, struct iw_request_info *info,
-		       struct iw_freq *fwrq, char *extra)
-{
-	int ret;
-
-	cds_ssr_protect(__func__);
-	ret = __iw_get_freq(dev, info, fwrq, extra);
-	cds_ssr_unprotect(__func__);
-
-	return ret;
-}
-
 /**
  * __iw_get_range() - SIOCGIWRANGE ioctl handler
  * @dev: device upon which the ioctl was received
@@ -11026,7 +10939,7 @@ static const iw_handler we_handler[] = {
 	(iw_handler) NULL,      /* SIOCSIWNWID */
 	(iw_handler) NULL,      /* SIOCGIWNWID */
 	(iw_handler) iw_set_freq,       /* SIOCSIWFREQ */
-	(iw_handler) iw_get_freq,       /* SIOCGIWFREQ */
+	(iw_handler) NULL,      /* SIOCGIWFREQ */
 	(iw_handler) NULL,      /* SIOCSIWMODE */
 	(iw_handler) NULL,      /* SIOCGIWMODE */
 	(iw_handler) NULL,      /* SIOCSIWSENS */