From 64b2698ff3a515035157e397174ba83482586aae Mon Sep 17 00:00:00 2001
From: Jeff Johnson <jjohnson@codeaurora.org>
Date: Sun, 15 Oct 2017 15:48:38 -0700
Subject: [PATCH] qcacld-3.0: Remove obsolete STA support for SIOCSIWRATE

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 SIOCSIWRATE should no longer be used, so remove
it.

Change-Id: If9a82dd0d450a215e5dfaddb93ae6ffe71386aa9
CRs-Fixed: 2128987
---
 core/hdd/src/wlan_hdd_wext.c | 108 +----------------------------------
 1 file changed, 1 insertion(+), 107 deletions(-)

diff --git a/core/hdd/src/wlan_hdd_wext.c b/core/hdd/src/wlan_hdd_wext.c
index 68bb38456adf..cb5293013ff0 100644
--- a/core/hdd/src/wlan_hdd_wext.c
+++ b/core/hdd/src/wlan_hdd_wext.c
@@ -5022,112 +5022,6 @@ static int iw_get_freq(struct net_device *dev, struct iw_request_info *info,
 	return ret;
 }
 
-/**
- * __iw_set_bitrate() - SIOCSIWRATE 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_bitrate(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu, char *extra)
-{
-	struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
-	struct hdd_wext_state *pWextState;
-	struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
-	uint8_t supp_rates[WNI_CFG_SUPPORTED_RATES_11A_LEN];
-	uint32_t a_len = WNI_CFG_SUPPORTED_RATES_11A_LEN;
-	uint32_t b_len = WNI_CFG_SUPPORTED_RATES_11B_LEN;
-	uint32_t i, rate;
-	uint32_t valid_rate = false, active_phy_mode = 0;
-	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);
-
-	if (eConnectionState_Associated != sta_ctx->conn_info.connState)
-		return -ENXIO;
-
-	rate = wrqu->bitrate.value;
-
-	if (rate == -1) {
-		rate = WNI_CFG_FIXED_RATE_AUTO;
-		valid_rate = true;
-	} else if (sme_cfg_get_int(WLAN_HDD_GET_HAL_CTX(adapter),
-				   WNI_CFG_DOT11_MODE,
-				   &active_phy_mode) == QDF_STATUS_SUCCESS) {
-		if (active_phy_mode == WNI_CFG_DOT11_MODE_11A
-		    || active_phy_mode == WNI_CFG_DOT11_MODE_11G
-		    || active_phy_mode == WNI_CFG_DOT11_MODE_11B) {
-			if ((sme_cfg_get_str(WLAN_HDD_GET_HAL_CTX(adapter),
-				     WNI_CFG_SUPPORTED_RATES_11A, supp_rates,
-				     &a_len) == QDF_STATUS_SUCCESS)
-			    &&
-			    (sme_cfg_get_str(WLAN_HDD_GET_HAL_CTX(adapter),
-				     WNI_CFG_SUPPORTED_RATES_11B, supp_rates,
-				     &b_len) == QDF_STATUS_SUCCESS)) {
-				for (i = 0; i < (b_len + a_len); ++i) {
-					/* supported rates returned is double
-					 * the actual rate so we divide it by 2
-					 */
-					if ((supp_rates[i] & 0x7F) / 2 ==
-							rate) {
-						valid_rate = true;
-						rate = i +
-						WNI_CFG_FIXED_RATE_1MBPS;
-						break;
-					}
-				}
-			}
-		}
-	}
-	if (valid_rate != true)
-		return -EINVAL;
-
-	if (sme_cfg_set_int(WLAN_HDD_GET_HAL_CTX(adapter),
-			    WNI_CFG_FIXED_RATE, rate) != QDF_STATUS_SUCCESS) {
-		hdd_err("failed to set ini parameter, WNI_CFG_FIXED_RATE");
-		return -EIO;
-	}
-	return 0;
-}
-
-/**
- * iw_set_bitrate() - SSR wrapper for __iw_set_bitrate()
- * @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_bitrate(struct net_device *dev,
-			  struct iw_request_info *info,
-			  union iwreq_data *wrqu, char *extra)
-{
-	int ret;
-
-	cds_ssr_protect(__func__);
-	ret = __iw_set_bitrate(dev, info, wrqu, extra);
-	cds_ssr_unprotect(__func__);
-
-	return ret;
-}
-
 /**
  * __iw_get_range() - SIOCGIWRANGE ioctl handler
  * @dev: device upon which the ioctl was received
@@ -11567,7 +11461,7 @@ static const iw_handler we_handler[] = {
 	(iw_handler) iw_get_nick,       /* SIOCGIWNICKN */
 	(iw_handler) NULL,      /* -- hole -- */
 	(iw_handler) NULL,      /* -- hole -- */
-	(iw_handler) iw_set_bitrate,    /* SIOCSIWRATE */
+	(iw_handler) NULL,      /* SIOCSIWRATE */
 	(iw_handler) NULL,      /* SIOCGIWRATE */
 	(iw_handler) NULL,      /* SIOCSIWRTS */
 	(iw_handler) NULL,      /* SIOCGIWRTS */