qcacld-3.0: Remove obsolete STA support for SIOCSIWFREQ

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 SIOCSIWFREQ should no longer be used, so remove
it.

Change-Id: I62898d254325057bacdb06edd28a4710f2de574f
CRs-Fixed: 2128998

core/hdd/src/wlan_hdd_wext.c

@@ -4620,131 +4620,6 @@ static int iw_get_name(struct net_device *dev,
 	return ret;
 }
 
-/**
- * __iw_set_freq() - SIOCSIWFREQ 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_set_freq(struct net_device *dev, struct iw_request_info *info,
-			 union iwreq_data *wrqu, char *extra)
-{
-	uint32_t numChans = 0;
-	uint8_t validChan[WNI_CFG_VALID_CHANNEL_LIST_LEN];
-	uint32_t indx = 0;
-	int ret;
-	struct hdd_wext_state *pWextState;
-	struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
-	struct hdd_context *hdd_ctx;
-	tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(adapter);
-	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
-	tCsrRoamProfile *pRoamProfile;
-
-	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);
-
-	pRoamProfile = &pWextState->roamProfile;
-
-	/* Link is up then return cant set channel */
-	if (eConnectionState_IbssConnected == sta_ctx->conn_info.connState ||
-	    eConnectionState_Associated == sta_ctx->conn_info.connState) {
-		hdd_debug("IBSS Associated");
-		return -EOPNOTSUPP;
-	}
-
-	/* Settings by Frequency as input */
-	if ((wrqu->freq.e == 1) && (wrqu->freq.m >= (uint32_t) 2.412e8) &&
-	    (wrqu->freq.m <= (uint32_t) 5.825e8)) {
-		uint32_t freq = wrqu->freq.m / 100000;
-
-		while ((indx < FREQ_CHAN_MAP_TABLE_SIZE)
-		       && (freq != freq_chan_map[indx].freq))
-			indx++;
-		if (indx >= FREQ_CHAN_MAP_TABLE_SIZE)
-			return -EINVAL;
-
-		wrqu->freq.e = 0;
-		wrqu->freq.m = freq_chan_map[indx].chan;
-
-	}
-
-	if (wrqu->freq.e == 0) {
-		if ((wrqu->freq.m < WNI_CFG_CURRENT_CHANNEL_STAMIN) ||
-		    (wrqu->freq.m > WNI_CFG_CURRENT_CHANNEL_STAMAX)) {
-			hdd_debug("Channel %d is not in range[%d to %d]",
-				   wrqu->freq.m,
-				   WNI_CFG_CURRENT_CHANNEL_STAMIN,
-				   WNI_CFG_CURRENT_CHANNEL_STAMAX);
-			return -EINVAL;
-		}
-
-		numChans = WNI_CFG_VALID_CHANNEL_LIST_LEN;
-
-		if (sme_cfg_get_str(hHal, WNI_CFG_VALID_CHANNEL_LIST,
-				    validChan, &numChans) !=
-				QDF_STATUS_SUCCESS) {
-			hdd_err("WNI_CFG_VALID_CHANNEL_LIST failed");
-			return -EIO;
-		}
-
-		for (indx = 0; indx < numChans; indx++) {
-			if (wrqu->freq.m == validChan[indx])
-				break;
-		}
-	} else {
-		return -EINVAL;
-	}
-
-	if (indx >= numChans)
-		return -EINVAL;
-
-	/* Set the Operational Channel */
-	numChans = pRoamProfile->ChannelInfo.numOfChannels = 1;
-	sta_ctx->conn_info.operationChannel = wrqu->freq.m;
-	pRoamProfile->ChannelInfo.ChannelList =
-		&sta_ctx->conn_info.operationChannel;
-
-	hdd_debug("pRoamProfile->operationChannel  = %d", wrqu->freq.m);
-
-	EXIT();
-
-	return ret;
-}
-
-/**
- * iw_set_freq() - SSR wrapper for __iw_set_freq()
- * @dev: pointer to net_device
- * @info: pointer to iw_request_info
- * @wrqu: pointer to iwreq_data
- * @extra: pointer to extra ioctl payload
- *
- * Return: 0 on success, error number otherwise
- */
-static int iw_set_freq(struct net_device *dev, struct iw_request_info *info,
-		       union iwreq_data *wrqu, char *extra)
-{
-	int ret;
-
-	cds_ssr_protect(__func__);
-	ret = __iw_set_freq(dev, info, wrqu, extra);
-	cds_ssr_unprotect(__func__);
-
-	return ret;
-}
-
 /**
  * __iw_get_range() - SIOCGIWRANGE ioctl handler
  * @dev: device upon which the ioctl was received
@@ -10938,7 +10813,7 @@ static const iw_handler we_handler[] = {
 	(iw_handler) iw_get_name,       /* SIOCGIWNAME */
 	(iw_handler) NULL,      /* SIOCSIWNWID */
 	(iw_handler) NULL,      /* SIOCGIWNWID */
-	(iw_handler) iw_set_freq,       /* SIOCSIWFREQ */
+	(iw_handler) NULL,      /* SIOCSIWFREQ */
 	(iw_handler) NULL,      /* SIOCGIWFREQ */
 	(iw_handler) NULL,      /* SIOCSIWMODE */
 	(iw_handler) NULL,      /* SIOCGIWMODE */