qcacld-3.0: Remove obsolete STA support for SIOCSIWENCODEEXT

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 SIOCSIWENCODEEXT should no longer be used, so
remove it.

Change-Id: Ifc2e25eb1736795a56f07d6ef588156ca12b9dcc
CRs-Fixed: 2128359

core/hdd/src/wlan_hdd_wext.c

@@ -6952,222 +6952,6 @@ static int iw_set_encode(struct net_device *dev, struct iw_request_info *info,
 	return ret;
 }
 
-/**
- * __iw_set_encodeext() - SIOCSIWENCODEEXT 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_encodeext(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_station_ctx *sta_ctx =
-		WLAN_HDD_GET_STATION_CTX_PTR(adapter);
-	struct hdd_wext_state *pWextState =
-		WLAN_HDD_GET_WEXT_STATE_PTR(adapter);
-	struct hdd_context *hdd_ctx;
-	QDF_STATUS qdf_ret_status = QDF_STATUS_SUCCESS;
-	tCsrRoamProfile *pRoamProfile = &pWextState->roamProfile;
-	int ret;
-	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
-	int key_index;
-	struct iw_point *encoding = &wrqu->encoding;
-	tCsrRoamSetKey setKey;
-	uint32_t roamId = INVALID_ROAM_ID;
-
-	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;
-
-	key_index = encoding->flags & IW_ENCODE_INDEX;
-
-	if (key_index > 0) {
-
-		/*Convert from 1-based to 0-based keying */
-		key_index--;
-	}
-	if (!ext->key_len) {
-
-		/*Set the encrytion type to NONE */
-		pRoamProfile->EncryptionType.encryptionType[0] =
-			eCSR_ENCRYPT_TYPE_NONE;
-		return ret;
-	}
-
-	if (eConnectionState_NotConnected == sta_ctx->conn_info.connState &&
-	    (IW_ENCODE_ALG_WEP == ext->alg)) {
-		if (IW_AUTH_KEY_MGMT_802_1X == pWextState->authKeyMgmt) {
-
-			hdd_err("Invalid Configuration");
-			return -EINVAL;
-		}
-
-		/*Static wep, update the roam profile with the keys */
-		if (ext->key_len &&
-		    (ext->key_len <= eCSR_SECURITY_WEP_KEYSIZE_MAX_BYTES) &&
-		    key_index < CSR_MAX_NUM_KEY) {
-			qdf_mem_copy(&pRoamProfile->Keys.
-				     KeyMaterial[key_index][0],
-				     ext->key, ext->key_len);
-			pRoamProfile->Keys.KeyLength[key_index] =
-				(uint8_t) ext->key_len;
-
-			if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
-				pRoamProfile->Keys.defaultIndex =
-					(uint8_t) key_index;
-		}
-		return ret;
-	}
-
-	qdf_mem_zero(&setKey, sizeof(tCsrRoamSetKey));
-
-	setKey.keyId = key_index;
-	setKey.keyLength = ext->key_len;
-
-	if (ext->key_len <= CSR_MAX_KEY_LEN)
-		qdf_mem_copy(&setKey.Key[0], ext->key, ext->key_len);
-
-	if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
-		/*Key direction for group is RX only */
-		setKey.keyDirection = eSIR_RX_ONLY;
-		qdf_set_macaddr_broadcast(&setKey.peerMac);
-	} else {
-		setKey.keyDirection = eSIR_TX_RX;
-		qdf_mem_copy(setKey.peerMac.bytes, ext->addr.sa_data,
-			     QDF_MAC_ADDR_SIZE);
-	}
-
-	/*For supplicant pae role is zero */
-	setKey.paeRole = 0;
-
-	switch (ext->alg) {
-	case IW_ENCODE_ALG_NONE:
-		setKey.encType = eCSR_ENCRYPT_TYPE_NONE;
-		break;
-
-	case IW_ENCODE_ALG_WEP:
-		setKey.encType =
-			(ext->key_len == 5) ? eCSR_ENCRYPT_TYPE_WEP40 :
-				eCSR_ENCRYPT_TYPE_WEP104;
-		break;
-
-	case IW_ENCODE_ALG_TKIP:
-	{
-		uint8_t *pKey = &setKey.Key[0];
-
-		setKey.encType = eCSR_ENCRYPT_TYPE_TKIP;
-
-		qdf_mem_zero(pKey, CSR_MAX_KEY_LEN);
-
-		/* Supplicant sends the 32bytes key in this order
-		 * |--------------|----------|----------|
-		 * |   Tk1        | TX MIC   |  RX MIC  |
-		 * |--------------|----------|----------|
-		 * <---16bytes---><--8bytes--><--8bytes-->
-		 *
-		 *
-		 * Sme expects the 32 bytes key to be in the below order
-		 * |--------------|----------|----------|
-		 * |   Tk1        | RX MIC   |  TX MIC  |
-		 * |--------------|----------|----------|
-		 * <---16bytes---><--8bytes--><--8bytes-->
-		 */
-
-		/* Copy the Temporal Key 1 (TK1) */
-		qdf_mem_copy(pKey, ext->key, 16);
-
-		/* Copy the rx mic first */
-		qdf_mem_copy(&pKey[16], &ext->key[24], 8);
-
-		/* Copy the tx mic */
-		qdf_mem_copy(&pKey[24], &ext->key[16], 8);
-
-	}
-	break;
-
-	case IW_ENCODE_ALG_CCMP:
-		setKey.encType = eCSR_ENCRYPT_TYPE_AES;
-		break;
-
-#ifdef FEATURE_WLAN_ESE
-#define IW_ENCODE_ALG_KRK 6
-	case IW_ENCODE_ALG_KRK:
-		setKey.encType = eCSR_ENCRYPT_TYPE_KRK;
-		break;
-#endif /* FEATURE_WLAN_ESE */
-
-	default:
-		setKey.encType = eCSR_ENCRYPT_TYPE_NONE;
-		break;
-	}
-
-	hdd_debug("cipher_alg:%d key_len:%d EncryptionType:%d",
-		   (int)ext->alg, (int)ext->key_len, setKey.encType);
-
-	/* The supplicant may attempt to set the PTK once
-	 * pre-authentication is done. Save the key in the UMAC and
-	 * include it in the ADD BSS request
-	 */
-	qdf_ret_status = sme_ft_update_key(WLAN_HDD_GET_HAL_CTX(adapter),
-					   adapter->sessionId, &setKey);
-	if (qdf_ret_status == QDF_STATUS_FT_PREAUTH_KEY_SUCCESS) {
-		hdd_debug("Update PreAuth Key success");
-		return 0;
-	} else if (qdf_ret_status == QDF_STATUS_FT_PREAUTH_KEY_FAILED) {
-		hdd_err("Update PreAuth Key failed");
-		return -EINVAL;
-	}
-
-	sta_ctx->roam_info.roamingState = HDD_ROAM_STATE_SETTING_KEY;
-
-	qdf_ret_status = sme_roam_set_key(WLAN_HDD_GET_HAL_CTX(adapter),
-					  adapter->sessionId,
-					  &setKey, &roamId);
-
-	if (qdf_ret_status != QDF_STATUS_SUCCESS) {
-		hdd_err("[%4d] sme_roam_set_key returned ERROR status= %d",
-			  __LINE__, qdf_ret_status);
-
-		sta_ctx->roam_info.roamingState = HDD_ROAM_STATE_NONE;
-	}
-
-	return qdf_ret_status;
-}
-
-/**
- * iw_set_encodeext() - SSR wrapper for __iw_set_encodeext()
- * @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_encodeext(struct net_device *dev,
-			    struct iw_request_info *info,
-			    union iwreq_data *wrqu, char *extra)
-{
-	int ret;
-
-	cds_ssr_protect(__func__);
-	ret = __iw_set_encodeext(dev, info, wrqu, extra);
-	cds_ssr_unprotect(__func__);
-
-	return ret;
-}
-
 /**
  * __iw_set_retry() - SIOCSIWRETRY ioctl handler
  * @dev: device upon which the ioctl was received
@@ -13196,7 +12980,7 @@ static const iw_handler we_handler[] = {
 	(iw_handler) iw_get_genie,      /* SIOCGIWGENIE */
 	(iw_handler) iw_set_auth,       /* SIOCSIWAUTH */
 	(iw_handler) iw_get_auth,       /* SIOCGIWAUTH */
-	(iw_handler) iw_set_encodeext,  /* SIOCSIWENCODEEXT */
+	(iw_handler) NULL,      /* SIOCSIWENCODEEXT */
 	(iw_handler) NULL,      /* SIOCGIWENCODEEXT */
 	(iw_handler) NULL,      /* SIOCSIWPMKSA */
 };