qcacld-3.0: Remove obsolete SAP 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
SAP implementation of SIOCSIWENCODEEXT now performs no useful actions,
so remove it.

Change-Id: I10cb2a339a2a5f8be5114a6987a82f4fbad8b497
CRs-Fixed: 2115349

core/hdd/src/wlan_hdd_hostapd.c

@@ -4851,175 +4851,6 @@ int iw_get_wpspbc_probe_req_ies(struct net_device *dev,
 	return ret;
 }
 
-/**
- * __iw_set_ap_encodeext() - set ap encode
- *
- * @dev - Pointer to the net device.
- * @info - Pointer to the iw_request_info.
- * @wrqu - Pointer to the iwreq_data.
- * @extra - Pointer to the data.
- *
- * Return: 0 for success, non zero for failure.
- */
-static int __iw_set_ap_encodeext(struct net_device *dev,
-			       struct iw_request_info *info,
-			       union iwreq_data *wrqu, char *extra)
-{
-	struct hdd_adapter *pHostapdAdapter = (netdev_priv(dev));
-	struct hdd_ap_ctx *pHddApCtx = WLAN_HDD_GET_AP_CTX_PTR(pHostapdAdapter);
-	struct hdd_context *hdd_ctx;
-	int ret;
-	QDF_STATUS vstatus;
-	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
-	int key_index;
-	struct iw_point *encoding = &wrqu->encoding;
-	tCsrRoamSetKey setKey;
-	int i;
-
-	ENTER_DEV(dev);
-
-	hdd_ctx = WLAN_HDD_GET_CTX(pHostapdAdapter);
-	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)
-		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);
-	}
-	if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
-		setKey.keyDirection = eSIR_TX_DEFAULT;
-		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;
-		pHddApCtx->uPrivacy = 1;
-		hdd_debug("uPrivacy=%d", pHddApCtx->uPrivacy);
-		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 32 byte key in this order
-		 *
-		 * |--------------|----------|----------|
-		 * |   Tk1        |TX-MIC    |  RX Mic  |
-		 * |--------------|----------|----------|
-		 * <---16bytes---><--8bytes--><--8bytes-->
-		 *
-		 * Sme expects the 32 byte 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;
-
-	default:
-		setKey.encType = eCSR_ENCRYPT_TYPE_NONE;
-		break;
-	}
-
-	hdd_debug(":EncryptionType:%d key_len:%d, KeyId:%d",
-	       setKey.encType, setKey.keyLength, setKey.keyId);
-	for (i = 0; i < ext->key_len; i++)
-		hdd_debug("%02x", setKey.Key[i]);
-
-	vstatus = wlansap_set_key_sta(
-		WLAN_HDD_GET_SAP_CTX_PTR(pHostapdAdapter), &setKey);
-
-	if (vstatus != QDF_STATUS_SUCCESS) {
-		hdd_err("wlansap_set_key_sta failed, status: %d",
-		       vstatus);
-		ret = -EINVAL;
-	}
-	EXIT();
-	return ret;
-}
-
-/**
- * iw_set_ap_encodeext() - Wrapper function to protect __iw_set_ap_encodeext
- *			from the SSR.
- *
- * @dev - Pointer to the net device.
- * @info - Pointer to the iw_request_info.
- * @wrqu - Pointer to the iwreq_data.
- * @extra - Pointer to the data.
- *
- * Return: 0 for success, non zero for failure.
- */
-static int iw_set_ap_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_ap_encodeext(dev, info, wrqu, extra);
-	cds_ssr_unprotect(__func__);
-
-	return ret;
-}
-
 /**
  * __iw_set_ap_mlme() - set ap mlme
  * @dev: pointer to net_device
@@ -5673,7 +5504,7 @@ static const iw_handler hostapd_handler[] = {
 	(iw_handler) NULL,      /* SIOCGIWGENIE */
 	(iw_handler) NULL,      /* SIOCSIWAUTH */
 	(iw_handler) NULL,      /* SIOCGIWAUTH */
-	(iw_handler) iw_set_ap_encodeext,       /* SIOCSIWENCODEEXT */
+	(iw_handler) NULL,      /* SIOCSIWENCODEEXT */
 	(iw_handler) NULL,      /* SIOCGIWENCODEEXT */
 	(iw_handler) NULL,      /* SIOCSIWPMKSA */
 };