cfg80211.c 117.2 KB
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/*
 * Marvell Wireless LAN device driver: CFG80211
 *
X
Xinming Hu 已提交
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 * Copyright (C) 2011-2014, Marvell International Ltd.
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 *
 * This software file (the "File") is distributed by Marvell International
 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
 * (the "License").  You may use, redistribute and/or modify this File in
 * accordance with the terms and conditions of the License, a copy of which
 * is available by writing to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
 * this warranty disclaimer.
 */

#include "cfg80211.h"
#include "main.h"
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#include "11n.h"
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#include "wmm.h"
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static char *reg_alpha2;
module_param(reg_alpha2, charp, 0);

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static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
	{
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		.max = 3, .types = BIT(NL80211_IFTYPE_STATION) |
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				   BIT(NL80211_IFTYPE_P2P_GO) |
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				   BIT(NL80211_IFTYPE_P2P_CLIENT) |
				   BIT(NL80211_IFTYPE_AP),
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	},
};

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static const struct ieee80211_iface_combination
mwifiex_iface_comb_ap_sta = {
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	.limits = mwifiex_ap_sta_limits,
	.num_different_channels = 1,
	.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
	.max_interfaces = MWIFIEX_MAX_BSS_NUM,
	.beacon_int_infra_match = true,
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	.radar_detect_widths =	BIT(NL80211_CHAN_WIDTH_20_NOHT) |
				BIT(NL80211_CHAN_WIDTH_20) |
				BIT(NL80211_CHAN_WIDTH_40),
};

static const struct ieee80211_iface_combination
mwifiex_iface_comb_ap_sta_vht = {
	.limits = mwifiex_ap_sta_limits,
	.num_different_channels = 1,
	.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
	.max_interfaces = MWIFIEX_MAX_BSS_NUM,
	.beacon_int_infra_match = true,
	.radar_detect_widths =	BIT(NL80211_CHAN_WIDTH_20_NOHT) |
				BIT(NL80211_CHAN_WIDTH_20) |
				BIT(NL80211_CHAN_WIDTH_40) |
				BIT(NL80211_CHAN_WIDTH_80),
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};

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static const struct
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ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
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	.limits = mwifiex_ap_sta_limits,
	.num_different_channels = 2,
	.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
	.max_interfaces = MWIFIEX_MAX_BSS_NUM,
	.beacon_int_infra_match = true,
};

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/*
 * This function maps the nl802.11 channel type into driver channel type.
 *
 * The mapping is as follows -
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 *      NL80211_CHAN_NO_HT     -> IEEE80211_HT_PARAM_CHA_SEC_NONE
 *      NL80211_CHAN_HT20      -> IEEE80211_HT_PARAM_CHA_SEC_NONE
 *      NL80211_CHAN_HT40PLUS  -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
 *      NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
 *      Others                 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
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 */
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u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
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{
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	switch (chan_type) {
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	case NL80211_CHAN_NO_HT:
	case NL80211_CHAN_HT20:
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		return IEEE80211_HT_PARAM_CHA_SEC_NONE;
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	case NL80211_CHAN_HT40PLUS:
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		return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
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	case NL80211_CHAN_HT40MINUS:
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		return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
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	default:
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		return IEEE80211_HT_PARAM_CHA_SEC_NONE;
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	}
}

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/* This function maps IEEE HT secondary channel type to NL80211 channel type
 */
u8 mwifiex_sec_chan_offset_to_chan_type(u8 second_chan_offset)
{
	switch (second_chan_offset) {
	case IEEE80211_HT_PARAM_CHA_SEC_NONE:
		return NL80211_CHAN_HT20;
	case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
		return NL80211_CHAN_HT40PLUS;
	case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
		return NL80211_CHAN_HT40MINUS;
	default:
		return NL80211_CHAN_HT20;
	}
}

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/*
 * This function checks whether WEP is set.
 */
static int
mwifiex_is_alg_wep(u32 cipher)
{
	switch (cipher) {
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	case WLAN_CIPHER_SUITE_WEP40:
	case WLAN_CIPHER_SUITE_WEP104:
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		return 1;
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	default:
		break;
	}
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	return 0;
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}

/*
 * This function retrieves the private structure from kernel wiphy structure.
 */
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static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
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{
	return (void *) (*(unsigned long *) wiphy_priv(wiphy));
}

/*
 * CFG802.11 operation handler to delete a network key.
 */
static int
mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
			 u8 key_index, bool pairwise, const u8 *mac_addr)
{
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	struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
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	const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
	const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
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	if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
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		mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
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		return -EFAULT;
	}

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	mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
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	return 0;
}

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/*
 * This function forms an skb for management frame.
 */
static int
mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
{
	u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
	u16 pkt_len;
	u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;

	pkt_len = len + ETH_ALEN;

	skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
		    MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
	memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));

	memcpy(skb_push(skb, sizeof(tx_control)),
	       &tx_control, sizeof(tx_control));

	memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));

	/* Add packet data and address4 */
	memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf,
	       sizeof(struct ieee80211_hdr_3addr));
	memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN);
	memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)),
	       buf + sizeof(struct ieee80211_hdr_3addr),
	       len - sizeof(struct ieee80211_hdr_3addr));

	skb->priority = LOW_PRIO_TID;
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	__net_timestamp(skb);
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	return 0;
}

/*
 * CFG802.11 operation handler to transmit a management frame.
 */
static int
mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
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			 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
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{
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	const u8 *buf = params->buf;
	size_t len = params->len;
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	struct sk_buff *skb;
	u16 pkt_len;
	const struct ieee80211_mgmt *mgmt;
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	struct mwifiex_txinfo *tx_info;
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	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);

	if (!buf || !len) {
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		mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
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		return -EFAULT;
	}

	mgmt = (const struct ieee80211_mgmt *)buf;
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
	    ieee80211_is_probe_resp(mgmt->frame_control)) {
		/* Since we support offload probe resp, we need to skip probe
		 * resp in AP or GO mode */
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		mwifiex_dbg(priv->adapter, INFO,
			    "info: skip to send probe resp in AP or GO mode\n");
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		return 0;
	}

	pkt_len = len + ETH_ALEN;
	skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
			    MWIFIEX_MGMT_FRAME_HEADER_SIZE +
			    pkt_len + sizeof(pkt_len));

	if (!skb) {
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		mwifiex_dbg(priv->adapter, ERROR,
			    "allocate skb failed for management frame\n");
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		return -ENOMEM;
	}

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	tx_info = MWIFIEX_SKB_TXCB(skb);
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	memset(tx_info, 0, sizeof(*tx_info));
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	tx_info->bss_num = priv->bss_num;
	tx_info->bss_type = priv->bss_type;
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	tx_info->pkt_len = pkt_len;
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	mwifiex_form_mgmt_frame(skb, buf, len);
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	*cookie = prandom_u32() | 1;
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	if (ieee80211_is_action(mgmt->frame_control))
		skb = mwifiex_clone_skb_for_tx_status(priv,
						      skb,
				MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
	else
		cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
					GFP_ATOMIC);

	mwifiex_queue_tx_pkt(priv, skb);
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	mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
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	return 0;
}

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/*
 * CFG802.11 operation handler to register a mgmt frame.
 */
static void
mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
				     struct wireless_dev *wdev,
				     u16 frame_type, bool reg)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
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	u32 mask;
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	if (reg)
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		mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
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	else
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		mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);

	if (mask != priv->mgmt_frame_mask) {
		priv->mgmt_frame_mask = mask;
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		mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
				 HostCmd_ACT_GEN_SET, 0,
				 &priv->mgmt_frame_mask, false);
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		mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
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	}
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}

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/*
 * CFG802.11 operation handler to remain on channel.
 */
static int
mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
				   struct wireless_dev *wdev,
				   struct ieee80211_channel *chan,
				   unsigned int duration, u64 *cookie)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
	int ret;

	if (!chan || !cookie) {
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		mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
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		return -EINVAL;
	}

	if (priv->roc_cfg.cookie) {
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		mwifiex_dbg(priv->adapter, INFO,
			    "info: ongoing ROC, cookie = 0x%llx\n",
			    priv->roc_cfg.cookie);
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		return -EBUSY;
	}

	ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
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					 duration);
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	if (!ret) {
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		*cookie = prandom_u32() | 1;
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		priv->roc_cfg.cookie = *cookie;
		priv->roc_cfg.chan = *chan;

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		cfg80211_ready_on_channel(wdev, *cookie, chan,
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					  duration, GFP_ATOMIC);

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		mwifiex_dbg(priv->adapter, INFO,
			    "info: ROC, cookie = 0x%llx\n", *cookie);
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	}

	return ret;
}

/*
 * CFG802.11 operation handler to cancel remain on channel.
 */
static int
mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
					  struct wireless_dev *wdev, u64 cookie)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
	int ret;

	if (cookie != priv->roc_cfg.cookie)
		return -ENOENT;

	ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
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					 &priv->roc_cfg.chan, 0);
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	if (!ret) {
		cfg80211_remain_on_channel_expired(wdev, cookie,
						   &priv->roc_cfg.chan,
						   GFP_ATOMIC);

		memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));

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		mwifiex_dbg(priv->adapter, INFO,
			    "info: cancel ROC, cookie = 0x%llx\n", cookie);
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	}

	return ret;
}

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/*
 * CFG802.11 operation handler to set Tx power.
 */
static int
mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
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			      struct wireless_dev *wdev,
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			      enum nl80211_tx_power_setting type,
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			      int mbm)
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{
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	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv;
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	struct mwifiex_power_cfg power_cfg;
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	int dbm = MBM_TO_DBM(mbm);
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	if (type == NL80211_TX_POWER_FIXED) {
		power_cfg.is_power_auto = 0;
		power_cfg.power_level = dbm;
	} else {
		power_cfg.is_power_auto = 1;
	}

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	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);

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	return mwifiex_set_tx_power(priv, &power_cfg);
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}

/*
 * CFG802.11 operation handler to set Power Save option.
 *
 * The timeout value, if provided, is currently ignored.
 */
static int
mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
				struct net_device *dev,
				bool enabled, int timeout)
{
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	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
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	u32 ps_mode;
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	if (timeout)
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		mwifiex_dbg(priv->adapter, INFO,
			    "info: ignore timeout value for IEEE Power Save\n");
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	ps_mode = enabled;
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	return mwifiex_drv_set_power(priv, &ps_mode);
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}

/*
 * CFG802.11 operation handler to set the default network key.
 */
static int
mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
				 u8 key_index, bool unicast,
				 bool multicast)
{
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	struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
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	/* Return if WEP key not configured */
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	if (!priv->sec_info.wep_enabled)
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		return 0;

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	if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
		priv->wep_key_curr_index = key_index;
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	} else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
				      NULL, 0)) {
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		mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
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		return -EFAULT;
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	}
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	return 0;
}

/*
 * CFG802.11 operation handler to add a network key.
 */
static int
mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
			 u8 key_index, bool pairwise, const u8 *mac_addr,
			 struct key_params *params)
{
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	struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
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	struct mwifiex_wep_key *wep_key;
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	const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
	const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
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	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
	    (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
	     params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
		if (params->key && params->key_len) {
			wep_key = &priv->wep_key[key_index];
			memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
			memcpy(wep_key->key_material, params->key,
			       params->key_len);
			wep_key->key_index = key_index;
			wep_key->key_length = params->key_len;
			priv->sec_info.wep_enabled = 1;
		}
		return 0;
	}

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	if (mwifiex_set_encode(priv, params, params->key, params->key_len,
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			       key_index, peer_mac, 0)) {
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		mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
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		return -EFAULT;
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	}
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	return 0;
}

/*
 * This function sends domain information to the firmware.
 *
 * The following information are passed to the firmware -
 *      - Country codes
 *      - Sub bands (first channel, number of channels, maximum Tx power)
 */
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int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
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{
	u8 no_of_triplet = 0;
	struct ieee80211_country_ie_triplet *t;
	u8 no_of_parsed_chan = 0;
	u8 first_chan = 0, next_chan = 0, max_pwr = 0;
	u8 i, flag = 0;
	enum ieee80211_band band;
	struct ieee80211_supported_band *sband;
	struct ieee80211_channel *ch;
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	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv;
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	struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;

	/* Set country code */
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	domain_info->country_code[0] = adapter->country_code[0];
	domain_info->country_code[1] = adapter->country_code[1];
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	domain_info->country_code[2] = ' ';

	band = mwifiex_band_to_radio_type(adapter->config_bands);
	if (!wiphy->bands[band]) {
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		mwifiex_dbg(adapter, ERROR,
			    "11D: setting domain info in FW\n");
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		return -1;
	}

	sband = wiphy->bands[band];

	for (i = 0; i < sband->n_channels ; i++) {
		ch = &sband->channels[i];
		if (ch->flags & IEEE80211_CHAN_DISABLED)
			continue;

		if (!flag) {
			flag = 1;
			first_chan = (u32) ch->hw_value;
			next_chan = first_chan;
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			max_pwr = ch->max_power;
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			no_of_parsed_chan = 1;
			continue;
		}

		if (ch->hw_value == next_chan + 1 &&
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		    ch->max_power == max_pwr) {
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			next_chan++;
			no_of_parsed_chan++;
		} else {
			t = &domain_info->triplet[no_of_triplet];
			t->chans.first_channel = first_chan;
			t->chans.num_channels = no_of_parsed_chan;
			t->chans.max_power = max_pwr;
			no_of_triplet++;
			first_chan = (u32) ch->hw_value;
			next_chan = first_chan;
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			max_pwr = ch->max_power;
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			no_of_parsed_chan = 1;
		}
	}

	if (flag) {
		t = &domain_info->triplet[no_of_triplet];
		t->chans.first_channel = first_chan;
		t->chans.num_channels = no_of_parsed_chan;
		t->chans.max_power = max_pwr;
		no_of_triplet++;
	}

	domain_info->no_of_triplet = no_of_triplet;
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	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);

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	if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
			     HostCmd_ACT_GEN_SET, 0, NULL, false)) {
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		mwifiex_dbg(adapter, INFO,
			    "11D: setting domain info in FW\n");
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		return -1;
	}
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	return 0;
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}

/*
 * CFG802.11 regulatory domain callback function.
 *
 * This function is called when the regulatory domain is changed due to the
 * following reasons -
 *      - Set by driver
 *      - Set by system core
 *      - Set by user
 *      - Set bt Country IE
 */
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static void mwifiex_reg_notifier(struct wiphy *wiphy,
				 struct regulatory_request *request)
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{
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	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
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	struct mwifiex_private *priv = mwifiex_get_priv(adapter,
							MWIFIEX_BSS_ROLE_ANY);
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	mwifiex_dbg(adapter, INFO,
		    "info: cfg80211 regulatory domain callback for %c%c\n",
		    request->alpha2[0], request->alpha2[1]);
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	switch (request->initiator) {
	case NL80211_REGDOM_SET_BY_DRIVER:
	case NL80211_REGDOM_SET_BY_CORE:
	case NL80211_REGDOM_SET_BY_USER:
	case NL80211_REGDOM_SET_BY_COUNTRY_IE:
		break;
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	default:
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		mwifiex_dbg(adapter, ERROR,
			    "unknown regdom initiator: %d\n",
			    request->initiator);
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		return;
	}

	/* Don't send world or same regdom info to firmware */
	if (strncmp(request->alpha2, "00", 2) &&
	    strncmp(request->alpha2, adapter->country_code,
		    sizeof(request->alpha2))) {
		memcpy(adapter->country_code, request->alpha2,
		       sizeof(request->alpha2));
		mwifiex_send_domain_info_cmd_fw(wiphy);
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		mwifiex_dnld_txpwr_table(priv);
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	}
}

/*
 * This function sets the fragmentation threshold.
 *
598
 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
599 600 601 602 603
 * and MWIFIEX_FRAG_MAX_VALUE.
 */
static int
mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
{
604 605
	if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
	    frag_thr > MWIFIEX_FRAG_MAX_VALUE)
606
		frag_thr = MWIFIEX_FRAG_MAX_VALUE;
607

608 609 610
	return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
				HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
				&frag_thr, true);
611 612 613 614
}

/*
 * This function sets the RTS threshold.
615 616 617

 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
 * and MWIFIEX_RTS_MAX_VALUE.
618 619 620 621 622 623 624
 */
static int
mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
{
	if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
		rts_thr = MWIFIEX_RTS_MAX_VALUE;

625 626 627
	return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
				HostCmd_ACT_GEN_SET, RTS_THRESH_I,
				&rts_thr, true);
628 629 630 631 632 633 634 635 636 637 638
}

/*
 * CFG802.11 operation handler to set wiphy parameters.
 *
 * This function can be used to set the RTS threshold and the
 * Fragmentation threshold of the driver.
 */
static int
mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
639
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
640 641
	struct mwifiex_private *priv;
	struct mwifiex_uap_bss_param *bss_cfg;
642 643 644
	int ret;

	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
645

646 647 648
	switch (priv->bss_role) {
	case MWIFIEX_BSS_ROLE_UAP:
		if (priv->bss_started) {
649 650
			mwifiex_dbg(adapter, ERROR,
				    "cannot change wiphy params when bss started");
651 652
			return -EINVAL;
		}
653

654 655 656
		bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
		if (!bss_cfg)
			return -ENOMEM;
657

658
		mwifiex_set_sys_config_invalid_data(bss_cfg);
659

660 661 662 663 664 665
		if (changed & WIPHY_PARAM_RTS_THRESHOLD)
			bss_cfg->rts_threshold = wiphy->rts_threshold;
		if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
			bss_cfg->frag_threshold = wiphy->frag_threshold;
		if (changed & WIPHY_PARAM_RETRY_LONG)
			bss_cfg->retry_limit = wiphy->retry_long;
666

667 668 669 670 671 672 673
		ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
				       HostCmd_ACT_GEN_SET,
				       UAP_BSS_PARAMS_I, bss_cfg,
				       false);

		kfree(bss_cfg);
		if (ret) {
674 675
			mwifiex_dbg(adapter, ERROR,
				    "Failed to set wiphy phy params\n");
676 677 678
			return ret;
		}
		break;
679

680
	case MWIFIEX_BSS_ROLE_STA:
681
		if (priv->media_connected) {
682 683
			mwifiex_dbg(adapter, ERROR,
				    "cannot change wiphy params when connected");
684 685 686 687 688 689 690
			return -EINVAL;
		}
		if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
			ret = mwifiex_set_rts(priv,
					      wiphy->rts_threshold);
			if (ret)
				return ret;
691
		}
692 693 694 695 696 697 698
		if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
			ret = mwifiex_set_frag(priv,
					       wiphy->frag_threshold);
			if (ret)
				return ret;
		}
		break;
699 700 701
	}

	return 0;
702 703
}

704 705 706 707 708
static int
mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
{
	u16 mode = P2P_MODE_DISABLE;

709 710
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729
		return -1;

	return 0;
}

/*
 * This function initializes the functionalities for P2P client.
 * The P2P client initialization sequence is:
 * disable -> device -> client
 */
static int
mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
{
	u16 mode;

	if (mwifiex_cfg80211_deinit_p2p(priv))
		return -1;

	mode = P2P_MODE_DEVICE;
730 731
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
732 733 734
		return -1;

	mode = P2P_MODE_CLIENT;
735 736
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
737 738 739 740 741
		return -1;

	return 0;
}

742 743 744 745 746 747 748 749 750 751 752 753 754 755
/*
 * This function initializes the functionalities for P2P GO.
 * The P2P GO initialization sequence is:
 * disable -> device -> GO
 */
static int
mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
{
	u16 mode;

	if (mwifiex_cfg80211_deinit_p2p(priv))
		return -1;

	mode = P2P_MODE_DEVICE;
756 757
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
758 759 760
		return -1;

	mode = P2P_MODE_GO;
761 762
	if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
			     HostCmd_ACT_GEN_SET, 0, &mode, true))
763 764
		return -1;

765 766 767 768 769
	return 0;
}

static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
{
770 771 772
	struct mwifiex_adapter *adapter = priv->adapter;
	unsigned long flags;

773 774 775 776
	priv->mgmt_frame_mask = 0;
	if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
			     HostCmd_ACT_GEN_SET, 0,
			     &priv->mgmt_frame_mask, false)) {
777 778
		mwifiex_dbg(adapter, ERROR,
			    "could not unregister mgmt frame rx\n");
779 780 781 782
		return -1;
	}

	mwifiex_deauthenticate(priv, NULL);
783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801

	spin_lock_irqsave(&adapter->main_proc_lock, flags);
	adapter->main_locked = true;
	if (adapter->mwifiex_processing) {
		spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
		flush_workqueue(adapter->workqueue);
	} else {
		spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
	}

	spin_lock_irqsave(&adapter->rx_proc_lock, flags);
	adapter->rx_locked = true;
	if (adapter->rx_processing) {
		spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
		flush_workqueue(adapter->rx_workqueue);
	} else {
	spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
	}

802 803 804 805 806 807 808 809 810 811 812 813 814
	mwifiex_free_priv(priv);
	priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
	priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
	priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;

	return 0;
}

static int
mwifiex_init_new_priv_params(struct mwifiex_private *priv,
			     struct net_device *dev,
			     enum nl80211_iftype type)
{
815 816 817
	struct mwifiex_adapter *adapter = priv->adapter;
	unsigned long flags;

818 819 820 821 822 823 824 825 826 827 828
	mwifiex_init_priv(priv);

	priv->bss_mode = type;
	priv->wdev.iftype = type;

	mwifiex_init_priv_params(priv, priv->netdev);
	priv->bss_started = 0;

	switch (type) {
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
S
Shengzhen Li 已提交
829 830
		priv->bss_num = mwifiex_get_unused_bss_num(adapter,
			 MWIFIEX_BSS_TYPE_STA);
831 832 833 834
		priv->bss_role =  MWIFIEX_BSS_ROLE_STA;
		priv->bss_type = MWIFIEX_BSS_TYPE_STA;
		break;
	case NL80211_IFTYPE_P2P_CLIENT:
S
Shengzhen Li 已提交
835 836
		priv->bss_num = mwifiex_get_unused_bss_num(adapter,
			 MWIFIEX_BSS_TYPE_P2P);
837 838 839
		priv->bss_role =  MWIFIEX_BSS_ROLE_STA;
		priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
		break;
840
	case NL80211_IFTYPE_P2P_GO:
S
Shengzhen Li 已提交
841 842
		priv->bss_num = mwifiex_get_unused_bss_num(adapter,
			 MWIFIEX_BSS_TYPE_P2P);
843 844 845
		priv->bss_role =  MWIFIEX_BSS_ROLE_UAP;
		priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
		break;
846
	case NL80211_IFTYPE_AP:
S
Shengzhen Li 已提交
847 848
		priv->bss_num = mwifiex_get_unused_bss_num(adapter,
			 MWIFIEX_BSS_TYPE_UAP);
849 850 851 852
		priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
		priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
		break;
	default:
853 854 855
		mwifiex_dbg(adapter, ERROR,
			    "%s: changing to %d not supported\n",
			    dev->name, type);
856 857
		return -EOPNOTSUPP;
	}
858

859 860 861 862 863 864 865 866
	spin_lock_irqsave(&adapter->main_proc_lock, flags);
	adapter->main_locked = false;
	spin_unlock_irqrestore(&adapter->main_proc_lock, flags);

	spin_lock_irqsave(&adapter->rx_proc_lock, flags);
	adapter->rx_locked = false;
	spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);

867 868 869
	return 0;
}

870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887
static int
mwifiex_change_vif_to_p2p(struct net_device *dev,
			  enum nl80211_iftype curr_iftype,
			  enum nl80211_iftype type, u32 *flags,
			  struct vif_params *params)
{
	struct mwifiex_private *priv;
	struct mwifiex_adapter *adapter;

	priv = mwifiex_netdev_get_priv(dev);

	if (!priv)
		return -1;

	adapter = priv->adapter;

	if (adapter->curr_iface_comb.p2p_intf ==
	    adapter->iface_limit.p2p_intf) {
888 889
		mwifiex_dbg(adapter, ERROR,
			    "cannot create multiple P2P ifaces\n");
890 891 892
		return -1;
	}

893 894
	mwifiex_dbg(adapter, INFO,
		    "%s: changing role to p2p\n", dev->name);
895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910

	if (mwifiex_deinit_priv_params(priv))
		return -1;
	if (mwifiex_init_new_priv_params(priv, dev, type))
		return -1;

	switch (type) {
	case NL80211_IFTYPE_P2P_CLIENT:
		if (mwifiex_cfg80211_init_p2p_client(priv))
			return -EFAULT;
		break;
	case NL80211_IFTYPE_P2P_GO:
		if (mwifiex_cfg80211_init_p2p_go(priv))
			return -EFAULT;
		break;
	default:
911 912 913
		mwifiex_dbg(adapter, ERROR,
			    "%s: changing to %d not supported\n",
			    dev->name, type);
914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961
		return -EOPNOTSUPP;
	}

	if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
			     HostCmd_ACT_GEN_SET, 0, NULL, true))
		return -1;

	if (mwifiex_sta_init_cmd(priv, false, false))
		return -1;

	switch (curr_iftype) {
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
		adapter->curr_iface_comb.sta_intf--;
		break;
	case NL80211_IFTYPE_AP:
		adapter->curr_iface_comb.uap_intf--;
		break;
	default:
		break;
	}

	adapter->curr_iface_comb.p2p_intf++;
	dev->ieee80211_ptr->iftype = type;

	return 0;
}

static int
mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
				enum nl80211_iftype curr_iftype,
				enum nl80211_iftype type, u32 *flags,
				struct vif_params *params)
{
	struct mwifiex_private *priv;
	struct mwifiex_adapter *adapter;

	priv = mwifiex_netdev_get_priv(dev);

	if (!priv)
		return -1;

	adapter = priv->adapter;

	if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
	     curr_iftype != NL80211_IFTYPE_P2P_GO) &&
	    (adapter->curr_iface_comb.sta_intf ==
	     adapter->iface_limit.sta_intf)) {
962 963
		mwifiex_dbg(adapter, ERROR,
			    "cannot create multiple station/adhoc ifaces\n");
964 965 966 967
		return -1;
	}

	if (type == NL80211_IFTYPE_STATION)
968 969
		mwifiex_dbg(adapter, INFO,
			    "%s: changing role to station\n", dev->name);
970
	else
971 972
		mwifiex_dbg(adapter, INFO,
			    "%s: changing role to adhoc\n", dev->name);
973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018

	if (mwifiex_deinit_priv_params(priv))
		return -1;
	if (mwifiex_init_new_priv_params(priv, dev, type))
		return -1;
	if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
			     HostCmd_ACT_GEN_SET, 0, NULL, true))
		return -1;
	if (mwifiex_sta_init_cmd(priv, false, false))
		return -1;

	switch (curr_iftype) {
	case NL80211_IFTYPE_P2P_CLIENT:
	case NL80211_IFTYPE_P2P_GO:
		adapter->curr_iface_comb.p2p_intf--;
		break;
	case NL80211_IFTYPE_AP:
		adapter->curr_iface_comb.uap_intf--;
		break;
	default:
		break;
	}

	adapter->curr_iface_comb.sta_intf++;
	dev->ieee80211_ptr->iftype = type;
	return 0;
}

static int
mwifiex_change_vif_to_ap(struct net_device *dev,
			 enum nl80211_iftype curr_iftype,
			 enum nl80211_iftype type, u32 *flags,
			 struct vif_params *params)
{
	struct mwifiex_private *priv;
	struct mwifiex_adapter *adapter;

	priv = mwifiex_netdev_get_priv(dev);

	if (!priv)
		return -1;

	adapter = priv->adapter;

	if (adapter->curr_iface_comb.uap_intf ==
	    adapter->iface_limit.uap_intf) {
1019 1020
		mwifiex_dbg(adapter, ERROR,
			    "cannot create multiple AP ifaces\n");
1021 1022 1023
		return -1;
	}

1024 1025
	mwifiex_dbg(adapter, INFO,
		    "%s: changing role to AP\n", dev->name);
1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053

	if (mwifiex_deinit_priv_params(priv))
		return -1;
	if (mwifiex_init_new_priv_params(priv, dev, type))
		return -1;
	if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
			     HostCmd_ACT_GEN_SET, 0, NULL, true))
		return -1;
	if (mwifiex_sta_init_cmd(priv, false, false))
		return -1;

	switch (curr_iftype) {
	case NL80211_IFTYPE_P2P_CLIENT:
	case NL80211_IFTYPE_P2P_GO:
		adapter->curr_iface_comb.p2p_intf--;
		break;
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
		adapter->curr_iface_comb.sta_intf--;
		break;
	default:
		break;
	}

	adapter->curr_iface_comb.uap_intf++;
	dev->ieee80211_ptr->iftype = type;
	return 0;
}
1054 1055 1056 1057 1058 1059 1060 1061 1062 1063
/*
 * CFG802.11 operation handler to change interface type.
 */
static int
mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
				     struct net_device *dev,
				     enum nl80211_iftype type, u32 *flags,
				     struct vif_params *params)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1064
	enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1065

1066
	switch (curr_iftype) {
1067
	case NL80211_IFTYPE_ADHOC:
1068 1069
		switch (type) {
		case NL80211_IFTYPE_STATION:
1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084
			priv->bss_mode = type;
			priv->sec_info.authentication_mode =
						   NL80211_AUTHTYPE_OPEN_SYSTEM;
			dev->ieee80211_ptr->iftype = type;
			mwifiex_deauthenticate(priv, NULL);
			return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
						HostCmd_ACT_GEN_SET, 0, NULL,
						true);
		case NL80211_IFTYPE_P2P_CLIENT:
		case NL80211_IFTYPE_P2P_GO:
			return mwifiex_change_vif_to_p2p(dev, curr_iftype,
							 type, flags, params);
		case NL80211_IFTYPE_AP:
			return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
							flags, params);
1085
		case NL80211_IFTYPE_UNSPECIFIED:
1086 1087
			mwifiex_dbg(priv->adapter, INFO,
				    "%s: kept type as IBSS\n", dev->name);
1088 1089 1090
		case NL80211_IFTYPE_ADHOC:	/* This shouldn't happen */
			return 0;
		default:
1091 1092 1093
			mwifiex_dbg(priv->adapter, ERROR,
				    "%s: changing to %d not supported\n",
				    dev->name, type);
1094 1095
			return -EOPNOTSUPP;
		}
1096 1097
		break;
	case NL80211_IFTYPE_STATION:
1098 1099
		switch (type) {
		case NL80211_IFTYPE_ADHOC:
1100 1101 1102
			priv->bss_mode = type;
			priv->sec_info.authentication_mode =
						   NL80211_AUTHTYPE_OPEN_SYSTEM;
1103
			dev->ieee80211_ptr->iftype = type;
1104 1105 1106 1107 1108
			mwifiex_deauthenticate(priv, NULL);
			return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
						HostCmd_ACT_GEN_SET, 0, NULL,
						true);
		case NL80211_IFTYPE_P2P_CLIENT:
1109
		case NL80211_IFTYPE_P2P_GO:
1110 1111 1112 1113 1114
			return mwifiex_change_vif_to_p2p(dev, curr_iftype,
							 type, flags, params);
		case NL80211_IFTYPE_AP:
			return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
							flags, params);
1115
		case NL80211_IFTYPE_UNSPECIFIED:
1116 1117
			mwifiex_dbg(priv->adapter, INFO,
				    "%s: kept type as STA\n", dev->name);
1118 1119 1120
		case NL80211_IFTYPE_STATION:	/* This shouldn't happen */
			return 0;
		default:
1121 1122 1123
			mwifiex_dbg(priv->adapter, ERROR,
				    "%s: changing to %d not supported\n",
				    dev->name, type);
1124 1125 1126 1127 1128
			return -EOPNOTSUPP;
		}
		break;
	case NL80211_IFTYPE_AP:
		switch (type) {
1129 1130 1131 1132 1133 1134 1135 1136 1137 1138
		case NL80211_IFTYPE_ADHOC:
		case NL80211_IFTYPE_STATION:
			return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
							       type, flags,
							       params);
			break;
		case NL80211_IFTYPE_P2P_CLIENT:
		case NL80211_IFTYPE_P2P_GO:
			return mwifiex_change_vif_to_p2p(dev, curr_iftype,
							 type, flags, params);
1139
		case NL80211_IFTYPE_UNSPECIFIED:
1140 1141
			mwifiex_dbg(priv->adapter, INFO,
				    "%s: kept type as AP\n", dev->name);
1142 1143 1144
		case NL80211_IFTYPE_AP:		/* This shouldn't happen */
			return 0;
		default:
1145 1146 1147
			mwifiex_dbg(priv->adapter, ERROR,
				    "%s: changing to %d not supported\n",
				    dev->name, type);
1148 1149
			return -EOPNOTSUPP;
		}
1150
		break;
1151
	case NL80211_IFTYPE_P2P_CLIENT:
1152
	case NL80211_IFTYPE_P2P_GO:
1153 1154
		switch (type) {
		case NL80211_IFTYPE_STATION:
1155
			if (mwifiex_cfg80211_deinit_p2p(priv))
1156
				return -EFAULT;
1157 1158
			priv->adapter->curr_iface_comb.p2p_intf--;
			priv->adapter->curr_iface_comb.sta_intf++;
1159
			dev->ieee80211_ptr->iftype = type;
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173
			break;
		case NL80211_IFTYPE_ADHOC:
			if (mwifiex_cfg80211_deinit_p2p(priv))
				return -EFAULT;
			return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
							       type, flags,
							       params);
			break;
		case NL80211_IFTYPE_AP:
			if (mwifiex_cfg80211_deinit_p2p(priv))
				return -EFAULT;
			return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
							flags, params);
		case NL80211_IFTYPE_UNSPECIFIED:
1174 1175
			mwifiex_dbg(priv->adapter, INFO,
				    "%s: kept type as P2P\n", dev->name);
1176 1177
		case NL80211_IFTYPE_P2P_CLIENT:
		case NL80211_IFTYPE_P2P_GO:
1178 1179
			return 0;
		default:
1180 1181 1182
			mwifiex_dbg(priv->adapter, ERROR,
				    "%s: changing to %d not supported\n",
				    dev->name, type);
1183 1184 1185
			return -EOPNOTSUPP;
		}
		break;
1186
	default:
1187 1188 1189
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: unknown iftype: %d\n",
			    dev->name, dev->ieee80211_ptr->iftype);
1190
		return -EOPNOTSUPP;
1191 1192
	}

1193

1194
	return 0;
1195 1196
}

1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219
static void
mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
		     struct rate_info *rate)
{
	struct mwifiex_adapter *adapter = priv->adapter;

	if (adapter->is_hw_11ac_capable) {
		/* bit[1-0]: 00=LG 01=HT 10=VHT */
		if (tx_htinfo & BIT(0)) {
			/* HT */
			rate->mcs = priv->tx_rate;
			rate->flags |= RATE_INFO_FLAGS_MCS;
		}
		if (tx_htinfo & BIT(1)) {
			/* VHT */
			rate->mcs = priv->tx_rate & 0x0F;
			rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
		}

		if (tx_htinfo & (BIT(1) | BIT(0))) {
			/* HT or VHT */
			switch (tx_htinfo & (BIT(3) | BIT(2))) {
			case 0:
1220
				rate->bw = RATE_INFO_BW_20;
1221 1222
				break;
			case (BIT(2)):
1223
				rate->bw = RATE_INFO_BW_40;
1224 1225
				break;
			case (BIT(3)):
1226
				rate->bw = RATE_INFO_BW_80;
1227 1228
				break;
			case (BIT(3) | BIT(2)):
1229
				rate->bw = RATE_INFO_BW_160;
1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248
				break;
			}

			if (tx_htinfo & BIT(4))
				rate->flags |= RATE_INFO_FLAGS_SHORT_GI;

			if ((priv->tx_rate >> 4) == 1)
				rate->nss = 2;
			else
				rate->nss = 1;
		}
	} else {
		/*
		 * Bit 0 in tx_htinfo indicates that current Tx rate
		 * is 11n rate. Valid MCS index values for us are 0 to 15.
		 */
		if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
			rate->mcs = priv->tx_rate;
			rate->flags |= RATE_INFO_FLAGS_MCS;
1249
			rate->bw = RATE_INFO_BW_20;
1250
			if (tx_htinfo & BIT(1))
1251
				rate->bw = RATE_INFO_BW_40;
1252 1253 1254 1255 1256 1257
			if (tx_htinfo & BIT(2))
				rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
		}
	}
}

1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270
/*
 * This function dumps the station information on a buffer.
 *
 * The following information are shown -
 *      - Total bytes transmitted
 *      - Total bytes received
 *      - Total packets transmitted
 *      - Total packets received
 *      - Signal quality level
 *      - Transmission rate
 */
static int
mwifiex_dump_station_info(struct mwifiex_private *priv,
1271
			  struct mwifiex_sta_node *node,
1272 1273
			  struct station_info *sinfo)
{
1274
	u32 rate;
1275

1276 1277 1278 1279
	sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) |
			BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) |
			BIT(NL80211_STA_INFO_TX_BITRATE) |
			BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG);
1280

1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304
	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
		if (!node)
			return -ENOENT;

		sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) |
				BIT(NL80211_STA_INFO_TX_FAILED);
		sinfo->inactive_time =
			jiffies_to_msecs(jiffies - node->stats.last_rx);

		sinfo->signal = node->stats.rssi;
		sinfo->signal_avg = node->stats.rssi;
		sinfo->rx_bytes = node->stats.rx_bytes;
		sinfo->tx_bytes = node->stats.tx_bytes;
		sinfo->rx_packets = node->stats.rx_packets;
		sinfo->tx_packets = node->stats.tx_packets;
		sinfo->tx_failed = node->stats.tx_failed;

		mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo,
				     &sinfo->txrate);
		sinfo->txrate.legacy = node->stats.last_tx_rate * 5;

		return 0;
	}

1305
	/* Get signal information from the firmware */
1306 1307
	if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
			     HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1308 1309
		mwifiex_dbg(priv->adapter, ERROR,
			    "failed to get signal information\n");
1310
		return -EFAULT;
1311 1312 1313
	}

	if (mwifiex_drv_get_data_rate(priv, &rate)) {
1314 1315
		mwifiex_dbg(priv->adapter, ERROR,
			    "getting data rate error\n");
1316
		return -EFAULT;
1317 1318
	}

1319
	/* Get DTIM period information from firmware */
1320 1321 1322
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
			 &priv->dtim_period, true);
1323

1324
	mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
1325

1326
	sinfo->signal_avg = priv->bcn_rssi_avg;
1327 1328 1329 1330
	sinfo->rx_bytes = priv->stats.rx_bytes;
	sinfo->tx_bytes = priv->stats.tx_bytes;
	sinfo->rx_packets = priv->stats.rx_packets;
	sinfo->tx_packets = priv->stats.tx_packets;
1331
	sinfo->signal = priv->bcn_rssi_avg;
1332
	/* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1333
	sinfo->txrate.legacy = rate * 5;
1334

1335
	if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1336
		sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
1337 1338 1339 1340 1341 1342 1343 1344 1345
		sinfo->bss_param.flags = 0;
		if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
						WLAN_CAPABILITY_SHORT_PREAMBLE)
			sinfo->bss_param.flags |=
					BSS_PARAM_FLAGS_SHORT_PREAMBLE;
		if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
						WLAN_CAPABILITY_SHORT_SLOT_TIME)
			sinfo->bss_param.flags |=
					BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1346
		sinfo->bss_param.dtim_period = priv->dtim_period;
1347 1348 1349 1350
		sinfo->bss_param.beacon_interval =
			priv->curr_bss_params.bss_descriptor.beacon_period;
	}

1351
	return 0;
1352 1353 1354 1355 1356 1357 1358 1359 1360 1361
}

/*
 * CFG802.11 operation handler to get station information.
 *
 * This function only works in connected mode, and dumps the
 * requested station information, if available.
 */
static int
mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1362
			     const u8 *mac, struct station_info *sinfo)
1363 1364 1365 1366 1367 1368 1369 1370
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	if (!priv->media_connected)
		return -ENOENT;
	if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
		return -ENOENT;

1371
	return mwifiex_dump_station_info(priv, NULL, sinfo);
1372 1373
}

1374 1375 1376 1377 1378 1379 1380 1381
/*
 * CFG802.11 operation handler to dump station information.
 */
static int
mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
			      int idx, u8 *mac, struct station_info *sinfo)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395
	static struct mwifiex_sta_node *node;

	if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
	    priv->media_connected && idx == 0) {
		ether_addr_copy(mac, priv->cfg_bssid);
		return mwifiex_dump_station_info(priv, NULL, sinfo);
	} else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
		mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
				 HostCmd_ACT_GEN_GET, 0, NULL, true);

		if (node && (&node->list == &priv->sta_list)) {
			node = NULL;
			return -ENOENT;
		}
1396

1397 1398 1399 1400 1401 1402
		node = list_prepare_entry(node, &priv->sta_list, list);
		list_for_each_entry_continue(node, &priv->sta_list, list) {
			ether_addr_copy(mac, node->mac_addr);
			return mwifiex_dump_station_info(priv, node, sinfo);
		}
	}
1403

1404
	return -ENOENT;
1405 1406
}

1407 1408 1409 1410 1411 1412 1413 1414
static int
mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
			     int idx, struct survey_info *survey)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
	enum ieee80211_band band;

1415
	mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444

	memset(survey, 0, sizeof(struct survey_info));

	if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
	    priv->media_connected && idx == 0) {
			u8 curr_bss_band = priv->curr_bss_params.band;
			u32 chan = priv->curr_bss_params.bss_descriptor.channel;

			band = mwifiex_band_to_radio_type(curr_bss_band);
			survey->channel = ieee80211_get_channel(wiphy,
				ieee80211_channel_to_frequency(chan, band));

			if (priv->bcn_nf_last) {
				survey->filled = SURVEY_INFO_NOISE_DBM;
				survey->noise = priv->bcn_nf_last;
			}
			return 0;
	}

	if (idx >= priv->adapter->num_in_chan_stats)
		return -ENOENT;

	if (!pchan_stats[idx].cca_scan_dur)
		return 0;

	band = pchan_stats[idx].bandcfg;
	survey->channel = ieee80211_get_channel(wiphy,
	    ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
	survey->filled = SURVEY_INFO_NOISE_DBM |
1445 1446
			 SURVEY_INFO_TIME |
			 SURVEY_INFO_TIME_BUSY;
1447
	survey->noise = pchan_stats[idx].noise;
1448 1449
	survey->time = pchan_stats[idx].cca_scan_dur;
	survey->time_busy = pchan_stats[idx].cca_busy_dur;
1450 1451 1452 1453

	return 0;
}

1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491
/* Supported rates to be advertised to the cfg80211 */
static struct ieee80211_rate mwifiex_rates[] = {
	{.bitrate = 10, .hw_value = 2, },
	{.bitrate = 20, .hw_value = 4, },
	{.bitrate = 55, .hw_value = 11, },
	{.bitrate = 110, .hw_value = 22, },
	{.bitrate = 60, .hw_value = 12, },
	{.bitrate = 90, .hw_value = 18, },
	{.bitrate = 120, .hw_value = 24, },
	{.bitrate = 180, .hw_value = 36, },
	{.bitrate = 240, .hw_value = 48, },
	{.bitrate = 360, .hw_value = 72, },
	{.bitrate = 480, .hw_value = 96, },
	{.bitrate = 540, .hw_value = 108, },
};

/* Channel definitions to be advertised to cfg80211 */
static struct ieee80211_channel mwifiex_channels_2ghz[] = {
	{.center_freq = 2412, .hw_value = 1, },
	{.center_freq = 2417, .hw_value = 2, },
	{.center_freq = 2422, .hw_value = 3, },
	{.center_freq = 2427, .hw_value = 4, },
	{.center_freq = 2432, .hw_value = 5, },
	{.center_freq = 2437, .hw_value = 6, },
	{.center_freq = 2442, .hw_value = 7, },
	{.center_freq = 2447, .hw_value = 8, },
	{.center_freq = 2452, .hw_value = 9, },
	{.center_freq = 2457, .hw_value = 10, },
	{.center_freq = 2462, .hw_value = 11, },
	{.center_freq = 2467, .hw_value = 12, },
	{.center_freq = 2472, .hw_value = 13, },
	{.center_freq = 2484, .hw_value = 14, },
};

static struct ieee80211_supported_band mwifiex_band_2ghz = {
	.channels = mwifiex_channels_2ghz,
	.n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
	.bitrates = mwifiex_rates,
1492
	.n_bitrates = ARRAY_SIZE(mwifiex_rates),
1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531
};

static struct ieee80211_channel mwifiex_channels_5ghz[] = {
	{.center_freq = 5040, .hw_value = 8, },
	{.center_freq = 5060, .hw_value = 12, },
	{.center_freq = 5080, .hw_value = 16, },
	{.center_freq = 5170, .hw_value = 34, },
	{.center_freq = 5190, .hw_value = 38, },
	{.center_freq = 5210, .hw_value = 42, },
	{.center_freq = 5230, .hw_value = 46, },
	{.center_freq = 5180, .hw_value = 36, },
	{.center_freq = 5200, .hw_value = 40, },
	{.center_freq = 5220, .hw_value = 44, },
	{.center_freq = 5240, .hw_value = 48, },
	{.center_freq = 5260, .hw_value = 52, },
	{.center_freq = 5280, .hw_value = 56, },
	{.center_freq = 5300, .hw_value = 60, },
	{.center_freq = 5320, .hw_value = 64, },
	{.center_freq = 5500, .hw_value = 100, },
	{.center_freq = 5520, .hw_value = 104, },
	{.center_freq = 5540, .hw_value = 108, },
	{.center_freq = 5560, .hw_value = 112, },
	{.center_freq = 5580, .hw_value = 116, },
	{.center_freq = 5600, .hw_value = 120, },
	{.center_freq = 5620, .hw_value = 124, },
	{.center_freq = 5640, .hw_value = 128, },
	{.center_freq = 5660, .hw_value = 132, },
	{.center_freq = 5680, .hw_value = 136, },
	{.center_freq = 5700, .hw_value = 140, },
	{.center_freq = 5745, .hw_value = 149, },
	{.center_freq = 5765, .hw_value = 153, },
	{.center_freq = 5785, .hw_value = 157, },
	{.center_freq = 5805, .hw_value = 161, },
	{.center_freq = 5825, .hw_value = 165, },
};

static struct ieee80211_supported_band mwifiex_band_5ghz = {
	.channels = mwifiex_channels_5ghz,
	.n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1532 1533
	.bitrates = mwifiex_rates + 4,
	.n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1534 1535 1536 1537 1538 1539 1540 1541 1542
};


/* Supported crypto cipher suits to be advertised to cfg80211 */
static const u32 mwifiex_cipher_suites[] = {
	WLAN_CIPHER_SUITE_WEP40,
	WLAN_CIPHER_SUITE_WEP104,
	WLAN_CIPHER_SUITE_TKIP,
	WLAN_CIPHER_SUITE_CCMP,
1543
	WLAN_CIPHER_SUITE_SMS4,
1544
	WLAN_CIPHER_SUITE_AES_CMAC,
1545 1546
};

1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575
/* Supported mgmt frame types to be advertised to cfg80211 */
static const struct ieee80211_txrx_stypes
mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
	[NL80211_IFTYPE_STATION] = {
		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
	},
	[NL80211_IFTYPE_AP] = {
		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
	},
	[NL80211_IFTYPE_P2P_CLIENT] = {
		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
	},
	[NL80211_IFTYPE_P2P_GO] = {
		.tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
		      BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
	},
};

1576 1577 1578
/*
 * CFG802.11 operation handler for setting bit rates.
 *
1579 1580
 * Function configures data rates to firmware using bitrate mask
 * provided by cfg80211.
1581 1582 1583 1584 1585 1586 1587
 */
static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
				struct net_device *dev,
				const u8 *peer,
				const struct cfg80211_bitrate_mask *mask)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1588 1589
	u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
	enum ieee80211_band band;
1590
	struct mwifiex_adapter *adapter = priv->adapter;
1591

1592
	if (!priv->media_connected) {
1593 1594
		mwifiex_dbg(adapter, ERROR,
			    "Can not set Tx data rate in disconnected state\n");
1595
		return -EINVAL;
1596 1597
	}

1598
	band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1599

1600
	memset(bitmap_rates, 0, sizeof(bitmap_rates));
1601

1602 1603 1604
	/* Fill HR/DSSS rates. */
	if (band == IEEE80211_BAND_2GHZ)
		bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1605

1606 1607 1608 1609 1610 1611
	/* Fill OFDM rates */
	if (band == IEEE80211_BAND_2GHZ)
		bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
	else
		bitmap_rates[1] = mask->control[band].legacy;

1612 1613
	/* Fill HT MCS rates */
	bitmap_rates[2] = mask->control[band].ht_mcs[0];
1614
	if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1615
		bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1616

1617 1618 1619 1620 1621 1622 1623
       /* Fill VHT MCS rates */
	if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
		bitmap_rates[10] = mask->control[band].vht_mcs[0];
		if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
			bitmap_rates[11] = mask->control[band].vht_mcs[1];
	}

1624 1625
	return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
				HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1626 1627
}

1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653
/*
 * CFG802.11 operation handler for connection quality monitoring.
 *
 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
 * events to FW.
 */
static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
						struct net_device *dev,
						s32 rssi_thold, u32 rssi_hyst)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	struct mwifiex_ds_misc_subsc_evt subsc_evt;

	priv->cqm_rssi_thold = rssi_thold;
	priv->cqm_rssi_hyst = rssi_hyst;

	memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
	subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;

	/* Subscribe/unsubscribe low and high rssi events */
	if (rssi_thold && rssi_hyst) {
		subsc_evt.action = HostCmd_ACT_BITWISE_SET;
		subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
		subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
		subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
		subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1654 1655 1656
		return mwifiex_send_cmd(priv,
					HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
					0, 0, &subsc_evt, true);
1657 1658
	} else {
		subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1659 1660 1661
		return mwifiex_send_cmd(priv,
					HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
					0, 0, &subsc_evt, true);
1662 1663 1664 1665 1666
	}

	return 0;
}

1667 1668 1669 1670 1671 1672 1673 1674 1675
/* cfg80211 operation handler for change_beacon.
 * Function retrieves and sets modified management IEs to FW.
 */
static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
					  struct net_device *dev,
					  struct cfg80211_beacon_data *data)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

1676
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1677 1678
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: bss_type mismatched\n", __func__);
1679 1680 1681 1682
		return -EINVAL;
	}

	if (!priv->bss_started) {
1683 1684
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: bss not started\n", __func__);
1685 1686 1687 1688
		return -EINVAL;
	}

	if (mwifiex_set_mgmt_ies(priv, data)) {
1689 1690
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: setting mgmt ies failed\n", __func__);
1691 1692 1693 1694 1695 1696
		return -EFAULT;
	}

	return 0;
}

A
Avinash Patil 已提交
1697 1698 1699 1700 1701 1702 1703 1704
/* cfg80211 operation handler for del_station.
 * Function deauthenticates station which value is provided in mac parameter.
 * If mac is NULL/broadcast, all stations in associated station list are
 * deauthenticated. If bss is not started or there are no stations in
 * associated stations list, no action is taken.
 */
static int
mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1705
			     struct station_del_parameters *params)
A
Avinash Patil 已提交
1706 1707 1708
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	struct mwifiex_sta_node *sta_node;
1709
	u8 deauth_mac[ETH_ALEN];
A
Avinash Patil 已提交
1710 1711
	unsigned long flags;

1712 1713 1714 1715 1716
	if (!priv->bss_started && priv->wdev.cac_started) {
		mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
		mwifiex_abort_cac(priv);
	}

A
Avinash Patil 已提交
1717 1718 1719
	if (list_empty(&priv->sta_list) || !priv->bss_started)
		return 0;

1720 1721 1722
	if (!params->mac || is_broadcast_ether_addr(params->mac))
		return 0;

1723 1724
	mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
		    __func__, params->mac);
1725

1726
	eth_zero_addr(deauth_mac);
1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738

	spin_lock_irqsave(&priv->sta_list_spinlock, flags);
	sta_node = mwifiex_get_sta_entry(priv, params->mac);
	if (sta_node)
		ether_addr_copy(deauth_mac, params->mac);
	spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);

	if (is_valid_ether_addr(deauth_mac)) {
		if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
				     HostCmd_ACT_GEN_SET, 0,
				     deauth_mac, true))
			return -1;
A
Avinash Patil 已提交
1739 1740 1741 1742 1743
	}

	return 0;
}

1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770
static int
mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
{
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv = mwifiex_get_priv(adapter,
							MWIFIEX_BSS_ROLE_ANY);
	struct mwifiex_ds_ant_cfg ant_cfg;

	if (!tx_ant || !rx_ant)
		return -EOPNOTSUPP;

	if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
		/* Not a MIMO chip. User should provide specific antenna number
		 * for Tx/Rx path or enable all antennas for diversity
		 */
		if (tx_ant != rx_ant)
			return -EOPNOTSUPP;

		if ((tx_ant & (tx_ant - 1)) &&
		    (tx_ant != BIT(adapter->number_of_antenna) - 1))
			return -EOPNOTSUPP;

		if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
		    (priv->adapter->number_of_antenna > 1)) {
			tx_ant = RF_ANTENNA_AUTO;
			rx_ant = RF_ANTENNA_AUTO;
		}
1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797
	} else {
		struct ieee80211_sta_ht_cap *ht_info;
		int rx_mcs_supp;
		enum ieee80211_band band;

		if ((tx_ant == 0x1 && rx_ant == 0x1)) {
			adapter->user_dev_mcs_support = HT_STREAM_1X1;
			if (adapter->is_hw_11ac_capable)
				adapter->usr_dot_11ac_mcs_support =
						MWIFIEX_11AC_MCS_MAP_1X1;
		} else {
			adapter->user_dev_mcs_support = HT_STREAM_2X2;
			if (adapter->is_hw_11ac_capable)
				adapter->usr_dot_11ac_mcs_support =
						MWIFIEX_11AC_MCS_MAP_2X2;
		}

		for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
			if (!adapter->wiphy->bands[band])
				continue;

			ht_info = &adapter->wiphy->bands[band]->ht_cap;
			rx_mcs_supp =
				GET_RXMCSSUPP(adapter->user_dev_mcs_support);
			memset(&ht_info->mcs, 0, adapter->number_of_antenna);
			memset(&ht_info->mcs, 0xff, rx_mcs_supp);
		}
1798 1799 1800 1801 1802
	}

	ant_cfg.tx_ant = tx_ant;
	ant_cfg.rx_ant = rx_ant;

1803 1804
	return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
				HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1805 1806
}

1807 1808 1809 1810 1811 1812 1813
/* cfg80211 operation handler for stop ap.
 * Function stops BSS running at uAP interface.
 */
static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

1814 1815
	mwifiex_abort_cac(priv);

A
Avinash Patil 已提交
1816
	if (mwifiex_del_mgmt_ies(priv))
1817 1818
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to delete mgmt IEs!\n");
A
Avinash Patil 已提交
1819

1820
	priv->ap_11n_enabled = 0;
1821
	memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
1822

1823 1824
	if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
			     HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1825 1826
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to stop the BSS\n");
1827 1828 1829
		return -1;
	}

1830 1831 1832 1833 1834 1835 1836
	if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
			     HostCmd_ACT_GEN_SET, 0, NULL, true)) {
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to reset BSS\n");
		return -1;
	}

1837 1838 1839 1840
	if (netif_carrier_ok(priv->netdev))
		netif_carrier_off(priv->netdev);
	mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);

1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855
	return 0;
}

/* cfg80211 operation handler for start_ap.
 * Function sets beacon period, DTIM period, SSID and security into
 * AP config structure.
 * AP is configured with these settings and BSS is started.
 */
static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
				     struct net_device *dev,
				     struct cfg80211_ap_settings *params)
{
	struct mwifiex_uap_bss_param *bss_cfg;
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

1856
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
A
Avinash Patil 已提交
1857 1858
		return -1;

1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873
	bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
	if (!bss_cfg)
		return -ENOMEM;

	mwifiex_set_sys_config_invalid_data(bss_cfg);

	if (params->beacon_interval)
		bss_cfg->beacon_period = params->beacon_interval;
	if (params->dtim_period)
		bss_cfg->dtim_period = params->dtim_period;

	if (params->ssid && params->ssid_len) {
		memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
		bss_cfg->ssid.ssid_len = params->ssid_len;
	}
1874 1875 1876 1877 1878
	if (params->inactivity_timeout > 0) {
		/* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
		bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
		bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
	}
1879

1880 1881 1882 1883 1884 1885 1886 1887 1888 1889
	switch (params->hidden_ssid) {
	case NL80211_HIDDEN_SSID_NOT_IN_USE:
		bss_cfg->bcast_ssid_ctl = 1;
		break;
	case NL80211_HIDDEN_SSID_ZERO_LEN:
		bss_cfg->bcast_ssid_ctl = 0;
		break;
	case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
		/* firmware doesn't support this type of hidden SSID */
	default:
1890
		kfree(bss_cfg);
1891 1892 1893
		return -EINVAL;
	}

1894
	mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
A
Avinash Patil 已提交
1895
	mwifiex_set_uap_rates(bss_cfg, params);
1896

A
Avinash Patil 已提交
1897 1898
	if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
		kfree(bss_cfg);
1899 1900
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to parse secuirty parameters!\n");
A
Avinash Patil 已提交
1901 1902 1903
		return -1;
	}

1904
	mwifiex_set_ht_params(priv, bss_cfg, params);
1905 1906 1907 1908 1909 1910 1911

	if (priv->adapter->is_hw_11ac_capable) {
		mwifiex_set_vht_params(priv, bss_cfg, params);
		mwifiex_set_vht_width(priv, params->chandef.width,
				      priv->ap_11ac_enabled);
	}

1912 1913 1914 1915 1916
	if (priv->ap_11ac_enabled)
		mwifiex_set_11ac_ba_params(priv);
	else
		mwifiex_set_ba_params(priv);

1917
	mwifiex_set_wmm_params(priv, bss_cfg, params);
1918

1919 1920 1921
	if (mwifiex_is_11h_active(priv))
		mwifiex_set_tpc_params(priv, bss_cfg, params);

1922 1923 1924
	if (mwifiex_is_11h_active(priv) &&
	    !cfg80211_chandef_dfs_required(wiphy, &params->chandef,
					   priv->bss_mode)) {
1925 1926
		mwifiex_dbg(priv->adapter, INFO,
			    "Disable 11h extensions in FW\n");
1927
		if (mwifiex_11h_activate(priv, false)) {
1928 1929
			mwifiex_dbg(priv->adapter, ERROR,
				    "Failed to disable 11h extensions!!");
1930 1931
			return -1;
		}
1932
		priv->state_11h.is_11h_active = false;
1933 1934
	}

1935
	if (mwifiex_config_start_uap(priv, bss_cfg)) {
1936 1937
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to start AP\n");
1938 1939 1940 1941
		kfree(bss_cfg);
		return -1;
	}

1942 1943
	if (mwifiex_set_mgmt_ies(priv, &params->beacon))
		return -1;
1944 1945 1946 1947

	if (!netif_carrier_ok(priv->netdev))
		netif_carrier_on(priv->netdev);
	mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
1948

1949
	memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
1950 1951 1952 1953
	kfree(bss_cfg);
	return 0;
}

1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965
/*
 * CFG802.11 operation handler for disconnection request.
 *
 * This function does not work when there is already a disconnection
 * procedure going on.
 */
static int
mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
			    u16 reason_code)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

X
Xinming Hu 已提交
1966 1967 1968
	if (!mwifiex_stop_bg_scan(priv))
		cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy);

1969
	if (mwifiex_deauthenticate(priv, NULL))
1970 1971
		return -EFAULT;

1972 1973 1974
	mwifiex_dbg(priv->adapter, MSG,
		    "info: successfully disconnected from %pM:\t"
		    "reason code %d\n", priv->cfg_bssid, reason_code);
1975

1976
	eth_zero_addr(priv->cfg_bssid);
1977
	priv->hs2_enabled = false;
1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996

	return 0;
}

/*
 * This function informs the CFG802.11 subsystem of a new IBSS.
 *
 * The following information are sent to the CFG802.11 subsystem
 * to register the new IBSS. If we do not register the new IBSS,
 * a kernel panic will result.
 *      - SSID
 *      - SSID length
 *      - BSSID
 *      - Channel
 */
static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
{
	struct ieee80211_channel *chan;
	struct mwifiex_bss_info bss_info;
1997
	struct cfg80211_bss *bss;
1998
	int ie_len;
1999
	u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2000
	enum ieee80211_band band;
2001

2002 2003
	if (mwifiex_get_bss_info(priv, &bss_info))
		return -1;
2004 2005 2006 2007 2008

	ie_buf[0] = WLAN_EID_SSID;
	ie_buf[1] = bss_info.ssid.ssid_len;

	memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2009
	       &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2010 2011
	ie_len = ie_buf[1] + sizeof(struct ieee_types_header);

2012
	band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2013
	chan = __ieee80211_get_channel(priv->wdev.wiphy,
2014
			ieee80211_channel_to_frequency(bss_info.bss_chan,
2015
						       band));
2016

2017
	bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2018
				  CFG80211_BSS_FTYPE_UNKNOWN,
2019 2020
				  bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
				  0, ie_buf, ie_len, 0, GFP_KERNEL);
2021 2022 2023 2024
	if (bss) {
		cfg80211_put_bss(priv->wdev.wiphy, bss);
		ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
	}
2025

2026
	return 0;
2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040
}

/*
 * This function connects with a BSS.
 *
 * This function handles both Infra and Ad-Hoc modes. It also performs
 * validity checking on the provided parameters, disconnects from the
 * current BSS (if any), sets up the association/scan parameters,
 * including security settings, and performs specific SSID scan before
 * trying to connect.
 *
 * For Infra mode, the function returns failure if the specified SSID
 * is not found in scan table. However, for Ad-Hoc mode, it can create
 * the IBSS if it does not exist. On successful completion in either case,
2041
 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2042 2043
 */
static int
2044 2045 2046
mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
		       const u8 *ssid, const u8 *bssid, int mode,
		       struct ieee80211_channel *channel,
2047 2048
		       struct cfg80211_connect_params *sme, bool privacy)
{
2049
	struct cfg80211_ssid req_ssid;
2050
	int ret, auth_type = 0;
2051
	struct cfg80211_bss *bss = NULL;
2052
	u8 is_scanning_required = 0;
2053

2054
	memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2055 2056 2057

	req_ssid.ssid_len = ssid_len;
	if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2058
		mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2059 2060 2061 2062 2063
		return -EINVAL;
	}

	memcpy(req_ssid.ssid, ssid, ssid_len);
	if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2064
		mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2065 2066 2067
		return -EINVAL;
	}

2068 2069 2070 2071 2072
	/* As this is new association, clear locally stored
	 * keys and security related flags */
	priv->sec_info.wpa_enabled = false;
	priv->sec_info.wpa2_enabled = false;
	priv->wep_key_curr_index = 0;
2073
	priv->sec_info.encryption_mode = 0;
2074
	priv->sec_info.is_authtype_auto = 0;
2075
	ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2076

2077
	if (mode == NL80211_IFTYPE_ADHOC) {
2078 2079 2080
		/* "privacy" is set only for ad-hoc mode */
		if (privacy) {
			/*
2081
			 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2082 2083 2084 2085
			 * the firmware can find a matching network from the
			 * scan. The cfg80211 does not give us the encryption
			 * mode at this stage so just setting it to WEP here.
			 */
2086
			priv->sec_info.encryption_mode =
2087
					WLAN_CIPHER_SUITE_WEP104;
2088
			priv->sec_info.authentication_mode =
2089
					NL80211_AUTHTYPE_OPEN_SYSTEM;
2090 2091 2092 2093 2094 2095
		}

		goto done;
	}

	/* Now handle infra mode. "sme" is valid for infra mode only */
2096
	if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2097
		auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2098 2099 2100 2101
		priv->sec_info.is_authtype_auto = 1;
	} else {
		auth_type = sme->auth_type;
	}
2102 2103

	if (sme->crypto.n_ciphers_pairwise) {
2104 2105
		priv->sec_info.encryption_mode =
						sme->crypto.ciphers_pairwise[0];
2106
		priv->sec_info.authentication_mode = auth_type;
2107 2108 2109
	}

	if (sme->crypto.cipher_group) {
2110
		priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2111
		priv->sec_info.authentication_mode = auth_type;
2112 2113 2114 2115 2116
	}
	if (sme->ie)
		ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);

	if (sme->key) {
2117
		if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2118 2119 2120
			mwifiex_dbg(priv->adapter, INFO,
				    "info: setting wep encryption\t"
				    "with key len %d\n", sme->key_len);
2121
			priv->wep_key_curr_index = sme->key_idx;
2122 2123 2124
			ret = mwifiex_set_encode(priv, NULL, sme->key,
						 sme->key_len, sme->key_idx,
						 NULL, 0);
2125 2126 2127
		}
	}
done:
2128 2129 2130 2131 2132 2133 2134 2135 2136
	/*
	 * Scan entries are valid for some time (15 sec). So we can save one
	 * active scan time if we just try cfg80211_get_bss first. If it fails
	 * then request scan and cfg80211_get_bss() again for final output.
	 */
	while (1) {
		if (is_scanning_required) {
			/* Do specific SSID scanning */
			if (mwifiex_request_scan(priv, &req_ssid)) {
2137
				mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2138 2139 2140
				return -EFAULT;
			}
		}
2141

2142 2143
		/* Find the BSS we want using available scan results */
		if (mode == NL80211_IFTYPE_ADHOC)
2144
			bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2145
					       bssid, ssid, ssid_len,
2146 2147
					       IEEE80211_BSS_TYPE_IBSS,
					       IEEE80211_PRIVACY_ANY);
2148
		else
2149
			bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2150
					       bssid, ssid, ssid_len,
2151 2152
					       IEEE80211_BSS_TYPE_ESS,
					       IEEE80211_PRIVACY_ANY);
2153 2154 2155

		if (!bss) {
			if (is_scanning_required) {
2156 2157
				mwifiex_dbg(priv->adapter, WARN,
					    "assoc: requested bss not found in scan results\n");
2158 2159 2160 2161
				break;
			}
			is_scanning_required = 1;
		} else {
2162 2163 2164
			mwifiex_dbg(priv->adapter, MSG,
				    "info: trying to associate to '%s' bssid %pM\n",
				    (char *)req_ssid.ssid, bss->bssid);
2165 2166 2167
			memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
			break;
		}
2168 2169
	}

2170 2171 2172
	ret = mwifiex_bss_start(priv, bss, &req_ssid);
	if (ret)
		return ret;
2173

2174
	if (mode == NL80211_IFTYPE_ADHOC) {
2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195
		/* Inform the BSS information to kernel, otherwise
		 * kernel will give a panic after successful assoc */
		if (mwifiex_cfg80211_inform_ibss_bss(priv))
			return -EFAULT;
	}

	return ret;
}

/*
 * CFG802.11 operation handler for association request.
 *
 * This function does not work when the current mode is set to Ad-Hoc, or
 * when there is already an association procedure going on. The given BSS
 * information is used to associate.
 */
static int
mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
			 struct cfg80211_connect_params *sme)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2196
	struct mwifiex_adapter *adapter = priv->adapter;
2197
	int ret;
2198

2199
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2200 2201 2202
		mwifiex_dbg(adapter, ERROR,
			    "%s: reject infra assoc request in non-STA role\n",
			    dev->name);
2203
		return -EINVAL;
2204 2205
	}

2206
	if (priv->wdev.current_bss) {
2207 2208
		mwifiex_dbg(adapter, ERROR,
			    "%s: already connected\n", dev->name);
2209 2210 2211
		return -EALREADY;
	}

2212
	if (adapter->surprise_removed || adapter->is_cmd_timedout) {
2213 2214 2215 2216
		mwifiex_dbg(adapter, ERROR,
			    "%s: Ignore connection.\t"
			    "Card removed or FW in bad state\n",
			    dev->name);
2217 2218 2219
		return -EFAULT;
	}

2220 2221 2222
	mwifiex_dbg(adapter, INFO,
		    "info: Trying to associate to %s and bssid %pM\n",
		    (char *)sme->ssid, sme->bssid);
2223

X
Xinming Hu 已提交
2224 2225 2226
	if (!mwifiex_stop_bg_scan(priv))
		cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy);

2227
	ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2228
				     priv->bss_mode, sme->channel, sme, 0);
A
Amitkumar Karwar 已提交
2229 2230 2231 2232
	if (!ret) {
		cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
					NULL, 0, WLAN_STATUS_SUCCESS,
					GFP_KERNEL);
2233 2234 2235
		mwifiex_dbg(priv->adapter, MSG,
			    "info: associated to bssid %pM successfully\n",
			    priv->cfg_bssid);
A
Avinash Patil 已提交
2236 2237 2238 2239
		if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
		    priv->adapter->auto_tdls &&
		    priv->bss_type == MWIFIEX_BSS_TYPE_STA)
			mwifiex_setup_auto_tdls_timer(priv);
A
Amitkumar Karwar 已提交
2240
	} else {
2241 2242 2243
		mwifiex_dbg(priv->adapter, ERROR,
			    "info: association to bssid %pM failed\n",
			    priv->cfg_bssid);
2244
		eth_zero_addr(priv->cfg_bssid);
2245 2246 2247 2248 2249 2250 2251 2252 2253 2254

		if (ret > 0)
			cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
						NULL, 0, NULL, 0, ret,
						GFP_KERNEL);
		else
			cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
						NULL, 0, NULL, 0,
						WLAN_STATUS_UNSPECIFIED_FAILURE,
						GFP_KERNEL);
A
Amitkumar Karwar 已提交
2255 2256
	}

2257
	return 0;
2258 2259
}

2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273
/*
 * This function sets following parameters for ibss network.
 *  -  channel
 *  -  start band
 *  -  11n flag
 *  -  secondary channel offset
 */
static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
				   struct cfg80211_ibss_params *params)
{
	struct mwifiex_adapter *adapter = priv->adapter;
	int index = 0, i;
	u8 config_bands = 0;

2274
	if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298
		if (!params->basic_rates) {
			config_bands = BAND_B | BAND_G;
		} else {
			for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
				/*
				 * Rates below 6 Mbps in the table are CCK
				 * rates; 802.11b and from 6 they are OFDM;
				 * 802.11G
				 */
				if (mwifiex_rates[i].bitrate == 60) {
					index = 1 << i;
					break;
				}
			}

			if (params->basic_rates < index) {
				config_bands = BAND_B;
			} else {
				config_bands = BAND_G;
				if (params->basic_rates % index)
					config_bands |= BAND_B;
			}
		}

2299 2300
		if (cfg80211_get_chandef_type(&params->chandef) !=
						NL80211_CHAN_NO_HT)
2301
			config_bands |= BAND_G | BAND_GN;
2302
	} else {
2303
		if (cfg80211_get_chandef_type(&params->chandef) ==
2304
						NL80211_CHAN_NO_HT)
2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320
			config_bands = BAND_A;
		else
			config_bands = BAND_AN | BAND_A;
	}

	if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
		adapter->config_bands = config_bands;
		adapter->adhoc_start_band = config_bands;

		if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
			adapter->adhoc_11n_enabled = true;
		else
			adapter->adhoc_11n_enabled = false;
	}

	adapter->sec_chan_offset =
2321 2322 2323 2324
		mwifiex_chan_type_to_sec_chan_offset(
			cfg80211_get_chandef_type(&params->chandef));
	priv->adhoc_channel = ieee80211_frequency_to_channel(
				params->chandef.chan->center_freq);
2325

2326 2327 2328 2329
	mwifiex_dbg(adapter, INFO,
		    "info: set ibss band %d, chan %d, chan offset %d\n",
		    config_bands, priv->adhoc_channel,
		    adapter->sec_chan_offset);
2330 2331 2332 2333

	return 0;
}

2334 2335 2336 2337 2338 2339 2340 2341 2342 2343
/*
 * CFG802.11 operation handler to join an IBSS.
 *
 * This function does not work in any mode other than Ad-Hoc, or if
 * a join operation is already in progress.
 */
static int
mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
			   struct cfg80211_ibss_params *params)
{
2344
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2345 2346
	int ret = 0;

2347
	if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2348 2349 2350
		mwifiex_dbg(priv->adapter, ERROR,
			    "request to join ibss received\t"
			    "when station is not in ibss mode\n");
2351 2352 2353
		goto done;
	}

2354 2355 2356
	mwifiex_dbg(priv->adapter, MSG,
		    "info: trying to join to %s and bssid %pM\n",
		    (char *)params->ssid, params->bssid);
2357

2358 2359
	mwifiex_set_ibss_params(priv, params);

2360
	ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2361
				     params->bssid, priv->bss_mode,
2362 2363
				     params->chandef.chan, NULL,
				     params->privacy);
2364
done:
A
Amitkumar Karwar 已提交
2365
	if (!ret) {
2366 2367
		cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
				     params->chandef.chan, GFP_KERNEL);
2368 2369 2370
		mwifiex_dbg(priv->adapter, MSG,
			    "info: joined/created adhoc network with bssid\t"
			    "%pM successfully\n", priv->cfg_bssid);
A
Amitkumar Karwar 已提交
2371
	} else {
2372 2373
		mwifiex_dbg(priv->adapter, ERROR,
			    "info: failed creating/joining adhoc network\n");
A
Amitkumar Karwar 已提交
2374 2375
	}

2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387
	return ret;
}

/*
 * CFG802.11 operation handler to leave an IBSS.
 *
 * This function does not work if a leave operation is
 * already in progress.
 */
static int
mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
{
2388
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2389

2390 2391
	mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
		    priv->cfg_bssid);
2392
	if (mwifiex_deauthenticate(priv, NULL))
2393 2394
		return -EFAULT;

2395
	eth_zero_addr(priv->cfg_bssid);
2396 2397 2398 2399 2400 2401 2402 2403

	return 0;
}

/*
 * CFG802.11 operation handler for scan request.
 *
 * This function issues a scan request to the firmware based upon
G
Geliang Tang 已提交
2404
 * the user specified scan configuration. On successful completion,
2405 2406 2407
 * it also informs the results.
 */
static int
J
Johannes Berg 已提交
2408
mwifiex_cfg80211_scan(struct wiphy *wiphy,
2409 2410
		      struct cfg80211_scan_request *request)
{
J
Johannes Berg 已提交
2411
	struct net_device *dev = request->wdev->netdev;
2412
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2413
	int i, offset, ret;
A
Amitkumar Karwar 已提交
2414
	struct ieee80211_channel *chan;
2415
	struct ieee_types_header *ie;
2416
	struct mwifiex_user_scan_cfg *user_scan_cfg;
2417

2418 2419
	mwifiex_dbg(priv->adapter, CMD,
		    "info: received scan request on %s\n", dev->name);
2420

2421 2422 2423 2424
	/* Block scan request if scan operation or scan cleanup when interface
	 * is disabled is in process
	 */
	if (priv->scan_request || priv->scan_aborting) {
2425 2426
		mwifiex_dbg(priv->adapter, WARN,
			    "cmd: Scan already in process..\n");
2427 2428 2429
		return -EBUSY;
	}

X
Xinming Hu 已提交
2430 2431 2432
	if (!mwifiex_stop_bg_scan(priv))
		cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy);

2433 2434
	user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
	if (!user_scan_cfg)
A
Amitkumar Karwar 已提交
2435
		return -ENOMEM;
2436

B
Bing Zhao 已提交
2437 2438
	priv->scan_request = request;

2439 2440
	user_scan_cfg->num_ssids = request->n_ssids;
	user_scan_cfg->ssid_list = request->ssids;
2441

A
Avinash Patil 已提交
2442
	if (request->ie && request->ie_len) {
2443
		offset = 0;
A
Avinash Patil 已提交
2444 2445 2446 2447
		for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
			if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
				continue;
			priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2448 2449 2450 2451 2452 2453
			ie = (struct ieee_types_header *)(request->ie + offset);
			memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
			offset += sizeof(*ie) + ie->len;

			if (offset >= request->ie_len)
				break;
A
Avinash Patil 已提交
2454 2455 2456
		}
	}

2457 2458
	for (i = 0; i < min_t(u32, request->n_channels,
			      MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
A
Amitkumar Karwar 已提交
2459
		chan = request->channels[i];
2460 2461
		user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
		user_scan_cfg->chan_list[i].radio_type = chan->band;
A
Amitkumar Karwar 已提交
2462

2463
		if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2464
			user_scan_cfg->chan_list[i].scan_type =
2465
						MWIFIEX_SCAN_TYPE_PASSIVE;
A
Amitkumar Karwar 已提交
2466
		else
2467
			user_scan_cfg->chan_list[i].scan_type =
2468
						MWIFIEX_SCAN_TYPE_ACTIVE;
A
Amitkumar Karwar 已提交
2469

2470
		user_scan_cfg->chan_list[i].scan_time = 0;
A
Amitkumar Karwar 已提交
2471
	}
2472

2473 2474 2475 2476 2477
	if (priv->adapter->scan_chan_gap_enabled &&
	    mwifiex_is_any_intf_active(priv))
		user_scan_cfg->scan_chan_gap =
					      priv->adapter->scan_chan_gap_time;

2478 2479
	ret = mwifiex_scan_networks(priv, user_scan_cfg);
	kfree(user_scan_cfg);
2480
	if (ret) {
2481 2482
		mwifiex_dbg(priv->adapter, ERROR,
			    "scan failed: %d\n", ret);
2483
		priv->scan_aborting = false;
B
Bing Zhao 已提交
2484
		priv->scan_request = NULL;
2485 2486
		return ret;
	}
A
Amitkumar Karwar 已提交
2487

A
Avinash Patil 已提交
2488 2489 2490 2491 2492 2493 2494 2495 2496
	if (request->ie && request->ie_len) {
		for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
			if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
				priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
				memset(&priv->vs_ie[i].ie, 0,
				       MWIFIEX_MAX_VSIE_LEN);
			}
		}
	}
2497 2498 2499
	return 0;
}

X
Xinming Hu 已提交
2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585
/* CFG802.11 operation handler for sched_scan_start.
 *
 * This function issues a bgscan config request to the firmware based upon
 * the user specified sched_scan configuration. On successful completion,
 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
 * query command to get sched_scan results from firmware.
 */
static int
mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
				  struct net_device *dev,
				  struct cfg80211_sched_scan_request *request)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	int i, offset;
	struct ieee80211_channel *chan;
	struct mwifiex_bg_scan_cfg *bgscan_cfg;
	struct ieee_types_header *ie;

	if (!request || (!request->n_ssids && !request->n_match_sets)) {
		wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
			  __func__);
		return -EINVAL;
	}

	wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
		   request->n_ssids, request->n_match_sets);
	wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
		   request->n_channels, request->scan_plans->interval,
		   (int)request->ie_len);

	bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
	if (!bgscan_cfg)
		return -ENOMEM;

	if (priv->scan_request || priv->scan_aborting)
		bgscan_cfg->start_later = true;

	bgscan_cfg->num_ssids = request->n_match_sets;
	bgscan_cfg->ssid_list = request->match_sets;

	if (request->ie && request->ie_len) {
		offset = 0;
		for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
			if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
				continue;
			priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
			ie = (struct ieee_types_header *)(request->ie + offset);
			memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
			offset += sizeof(*ie) + ie->len;

			if (offset >= request->ie_len)
				break;
		}
	}

	for (i = 0; i < min_t(u32, request->n_channels,
			      MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
		chan = request->channels[i];
		bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
		bgscan_cfg->chan_list[i].radio_type = chan->band;

		if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
			bgscan_cfg->chan_list[i].scan_type =
						MWIFIEX_SCAN_TYPE_PASSIVE;
		else
			bgscan_cfg->chan_list[i].scan_type =
						MWIFIEX_SCAN_TYPE_ACTIVE;

		bgscan_cfg->chan_list[i].scan_time = 0;
	}

	bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
					  MWIFIEX_BG_SCAN_CHAN_MAX);

	/* Use at least 15 second for per scan cycle */
	bgscan_cfg->scan_interval = (request->scan_plans->interval >
				     MWIFIEX_BGSCAN_INTERVAL) ?
				request->scan_plans->interval :
				MWIFIEX_BGSCAN_INTERVAL;

	bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
	bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
				MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
	bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
	bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
	bgscan_cfg->enable = true;
2586 2587 2588 2589
	if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
		bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
		bgscan_cfg->rssi_threshold = request->min_rssi_thold;
	}
X
Xinming Hu 已提交
2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618

	if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
			     HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
		kfree(bgscan_cfg);
		return -EFAULT;
	}

	priv->sched_scanning = true;

	kfree(bgscan_cfg);
	return 0;
}

/* CFG802.11 operation handler for sched_scan_stop.
 *
 * This function issues a bgscan config command to disable
 * previous bgscan configuration in the firmware
 */
static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
					    struct net_device *dev)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	wiphy_info(wiphy, "sched scan stop!");
	mwifiex_stop_bg_scan(priv);

	return 0;
}

2619 2620 2621 2622 2623 2624 2625
static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
				   struct mwifiex_private *priv)
{
	struct mwifiex_adapter *adapter = priv->adapter;

	vht_info->vht_supported = true;

Y
Yogesh Ashok Powar 已提交
2626
	vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2627 2628 2629 2630 2631 2632 2633 2634 2635
	/* Update MCS support for VHT */
	vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
				adapter->hw_dot_11ac_mcs_support & 0xFFFF);
	vht_info->vht_mcs.rx_highest = 0;
	vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
				adapter->hw_dot_11ac_mcs_support >> 16);
	vht_info->vht_mcs.tx_highest = 0;
}

2636 2637 2638 2639 2640 2641
/*
 * This function sets up the CFG802.11 specific HT capability fields
 * with default values.
 *
 * The following default values are set -
 *      - HT Supported = True
2642 2643 2644
 *      - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
 *      - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
 *      - HT Capabilities supported by firmware
2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657
 *      - MCS information, Rx mask = 0xff
 *      - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
 */
static void
mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
		      struct mwifiex_private *priv)
{
	int rx_mcs_supp;
	struct ieee80211_mcs_info mcs_set;
	u8 *mcs = (u8 *)&mcs_set;
	struct mwifiex_adapter *adapter = priv->adapter;

	ht_info->ht_supported = true;
2658 2659
	ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
	ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2660 2661 2662

	memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));

2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678
	/* Fill HT capability information */
	if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;

	if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;

	if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;

2679 2680
	if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
		ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2681
	else
2682
		ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2683 2684 2685 2686 2687 2688

	if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;

2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703
	if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;

	if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;

	if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
	else
		ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;

2704 2705 2706
	ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
	ht_info->cap |= IEEE80211_HT_CAP_SM_PS;

2707 2708
	rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
	/* Set MCS for 1x1/2x2 */
2709 2710 2711
	memset(mcs, 0xff, rx_mcs_supp);
	/* Clear all the other values */
	memset(&mcs[rx_mcs_supp], 0,
2712
	       sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2713
	if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2714
	    ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2715 2716 2717 2718 2719 2720 2721 2722
		/* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
		SETHT_MCS32(mcs_set.rx_mask);

	memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));

	ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
}

2723
/*
2724
 *  create a new virtual interface with the given name and name assign type
2725
 */
2726
struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2727
					      const char *name,
2728
					      unsigned char name_assign_type,
2729 2730 2731
					      enum nl80211_iftype type,
					      u32 *flags,
					      struct vif_params *params)
2732
{
2733 2734
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv;
2735 2736 2737 2738
	struct net_device *dev;
	void *mdev_priv;

	if (!adapter)
2739
		return ERR_PTR(-EFAULT);
2740 2741 2742 2743 2744

	switch (type) {
	case NL80211_IFTYPE_UNSPECIFIED:
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
2745 2746
		if (adapter->curr_iface_comb.sta_intf ==
		    adapter->iface_limit.sta_intf) {
2747 2748
			mwifiex_dbg(adapter, ERROR,
				    "cannot create multiple sta/adhoc ifaces\n");
2749
			return ERR_PTR(-EINVAL);
2750 2751
		}

S
Shengzhen Li 已提交
2752 2753
		priv = mwifiex_get_unused_priv_by_bss_type(
						adapter, MWIFIEX_BSS_TYPE_STA);
2754
		if (!priv) {
2755 2756
			mwifiex_dbg(adapter, ERROR,
				    "could not get free private struct\n");
2757 2758 2759
			return ERR_PTR(-EFAULT);
		}

2760 2761
		priv->wdev.wiphy = wiphy;
		priv->wdev.iftype = NL80211_IFTYPE_STATION;
2762

2763 2764 2765 2766 2767 2768 2769
		if (type == NL80211_IFTYPE_UNSPECIFIED)
			priv->bss_mode = NL80211_IFTYPE_STATION;
		else
			priv->bss_mode = type;

		priv->bss_type = MWIFIEX_BSS_TYPE_STA;
		priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2770
		priv->bss_priority = 0;
2771 2772
		priv->bss_role = MWIFIEX_BSS_ROLE_STA;

2773 2774
		break;
	case NL80211_IFTYPE_AP:
2775 2776
		if (adapter->curr_iface_comb.uap_intf ==
		    adapter->iface_limit.uap_intf) {
2777 2778
			mwifiex_dbg(adapter, ERROR,
				    "cannot create multiple AP ifaces\n");
2779
			return ERR_PTR(-EINVAL);
2780 2781
		}

S
Shengzhen Li 已提交
2782 2783
		priv = mwifiex_get_unused_priv_by_bss_type(
						adapter, MWIFIEX_BSS_TYPE_UAP);
2784
		if (!priv) {
2785 2786
			mwifiex_dbg(adapter, ERROR,
				    "could not get free private struct\n");
2787 2788 2789
			return ERR_PTR(-EFAULT);
		}

2790 2791
		priv->wdev.wiphy = wiphy;
		priv->wdev.iftype = NL80211_IFTYPE_AP;
2792 2793 2794

		priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
		priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2795
		priv->bss_priority = 0;
2796 2797 2798 2799
		priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
		priv->bss_started = 0;
		priv->bss_mode = type;

S
Stone Piao 已提交
2800 2801
		break;
	case NL80211_IFTYPE_P2P_CLIENT:
2802 2803
		if (adapter->curr_iface_comb.p2p_intf ==
		    adapter->iface_limit.p2p_intf) {
2804 2805
			mwifiex_dbg(adapter, ERROR,
				    "cannot create multiple P2P ifaces\n");
S
Stone Piao 已提交
2806 2807 2808
			return ERR_PTR(-EINVAL);
		}

S
Shengzhen Li 已提交
2809 2810
		priv = mwifiex_get_unused_priv_by_bss_type(
						adapter, MWIFIEX_BSS_TYPE_P2P);
2811
		if (!priv) {
2812 2813
			mwifiex_dbg(adapter, ERROR,
				    "could not get free private struct\n");
2814 2815
			return ERR_PTR(-EFAULT);
		}
S
Stone Piao 已提交
2816

2817
		priv->wdev.wiphy = wiphy;
S
Stone Piao 已提交
2818 2819 2820
		/* At start-up, wpa_supplicant tries to change the interface
		 * to NL80211_IFTYPE_STATION if it is not managed mode.
		 */
2821
		priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
2822
		priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
S
Stone Piao 已提交
2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834

		/* Setting bss_type to P2P tells firmware that this interface
		 * is receiving P2P peers found during find phase and doing
		 * action frame handshake.
		 */
		priv->bss_type = MWIFIEX_BSS_TYPE_P2P;

		priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
		priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
		priv->bss_role = MWIFIEX_BSS_ROLE_STA;
		priv->bss_started = 0;

2835
		if (mwifiex_cfg80211_init_p2p_client(priv)) {
2836 2837 2838
			memset(&priv->wdev, 0, sizeof(priv->wdev));
			priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
			return ERR_PTR(-EFAULT);
2839
		}
2840

2841 2842
		break;
	default:
2843
		mwifiex_dbg(adapter, ERROR, "type not supported\n");
2844
		return ERR_PTR(-EINVAL);
2845 2846
	}

A
Avinash Patil 已提交
2847
	dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2848
			       name_assign_type, ether_setup,
2849
			       IEEE80211_NUM_ACS, 1);
2850
	if (!dev) {
2851 2852
		mwifiex_dbg(adapter, ERROR,
			    "no memory available for netdevice\n");
2853 2854
		memset(&priv->wdev, 0, sizeof(priv->wdev));
		priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2855
		priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2856
		return ERR_PTR(-ENOMEM);
2857 2858
	}

2859 2860 2861 2862
	mwifiex_init_priv_params(priv, dev);
	priv->netdev = dev;

	mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
2863 2864 2865
	if (adapter->is_hw_11ac_capable)
		mwifiex_setup_vht_caps(
			&wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv);
2866 2867 2868 2869 2870

	if (adapter->config_bands & BAND_A)
		mwifiex_setup_ht_caps(
			&wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);

2871 2872 2873 2874
	if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
		mwifiex_setup_vht_caps(
			&wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv);

2875
	dev_net_set(dev, wiphy_net(wiphy));
2876
	dev->ieee80211_ptr = &priv->wdev;
2877 2878 2879 2880 2881 2882 2883
	dev->ieee80211_ptr->iftype = priv->bss_mode;
	memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
	SET_NETDEV_DEV(dev, wiphy_dev(wiphy));

	dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
	dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
	dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2884
	dev->ethtool_ops = &mwifiex_ethtool_ops;
2885 2886 2887 2888 2889 2890 2891 2892

	mdev_priv = netdev_priv(dev);
	*((unsigned long *) mdev_priv) = (unsigned long) priv;

	SET_NETDEV_DEV(dev, adapter->dev);

	/* Register network device */
	if (register_netdevice(dev)) {
2893 2894
		mwifiex_dbg(adapter, ERROR,
			    "cannot register virtual network device\n");
2895 2896
		free_netdev(dev);
		priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2897
		priv->netdev = NULL;
2898 2899 2900
		memset(&priv->wdev, 0, sizeof(priv->wdev));
		priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
		return ERR_PTR(-EFAULT);
2901 2902
	}

2903
	priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
2904 2905
						  WQ_HIGHPRI |
						  WQ_MEM_RECLAIM |
2906
						  WQ_UNBOUND, 1, name);
2907
	if (!priv->dfs_cac_workqueue) {
2908 2909
		mwifiex_dbg(adapter, ERROR,
			    "cannot register virtual network device\n");
2910 2911 2912 2913 2914 2915 2916 2917 2918 2919
		free_netdev(dev);
		priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
		priv->netdev = NULL;
		memset(&priv->wdev, 0, sizeof(priv->wdev));
		priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
		return ERR_PTR(-ENOMEM);
	}

	INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);

2920
	priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
2921
						      WQ_HIGHPRI | WQ_UNBOUND |
2922
						      WQ_MEM_RECLAIM, 1, name);
2923
	if (!priv->dfs_chan_sw_workqueue) {
2924 2925
		mwifiex_dbg(adapter, ERROR,
			    "cannot register virtual network device\n");
2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936
		free_netdev(dev);
		priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
		priv->netdev = NULL;
		memset(&priv->wdev, 0, sizeof(priv->wdev));
		priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
		return ERR_PTR(-ENOMEM);
	}

	INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
			  mwifiex_dfs_chan_sw_work_queue);

2937 2938
	sema_init(&priv->async_sem, 1);

2939 2940
	mwifiex_dbg(adapter, INFO,
		    "info: %s: Marvell 802.11 Adapter\n", dev->name);
2941 2942 2943 2944

#ifdef CONFIG_DEBUG_FS
	mwifiex_dev_debugfs_init(priv);
#endif
2945

2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958
	switch (type) {
	case NL80211_IFTYPE_UNSPECIFIED:
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
		adapter->curr_iface_comb.sta_intf++;
		break;
	case NL80211_IFTYPE_AP:
		adapter->curr_iface_comb.uap_intf++;
		break;
	case NL80211_IFTYPE_P2P_CLIENT:
		adapter->curr_iface_comb.p2p_intf++;
		break;
	default:
2959
		mwifiex_dbg(adapter, ERROR, "type not supported\n");
2960 2961 2962
		return ERR_PTR(-EINVAL);
	}

2963
	return &priv->wdev;
2964 2965 2966 2967 2968 2969
}
EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);

/*
 * del_virtual_intf: remove the virtual interface determined by dev
 */
2970
int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
2971
{
2972
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
2973
	struct mwifiex_adapter *adapter = priv->adapter;
2974
	struct sk_buff *skb, *tmp;
2975 2976 2977 2978 2979

#ifdef CONFIG_DEBUG_FS
	mwifiex_dev_debugfs_remove(priv);
#endif

X
Xinming Hu 已提交
2980 2981 2982
	if (priv->sched_scanning)
		priv->sched_scanning = false;

2983
	mwifiex_stop_net_dev_queue(priv->netdev, adapter);
2984

2985 2986 2987
	skb_queue_walk_safe(&priv->bypass_txq, skb, tmp)
		mwifiex_write_data_complete(priv->adapter, skb, 0, -1);

2988 2989 2990
	if (netif_carrier_ok(priv->netdev))
		netif_carrier_off(priv->netdev);

2991 2992
	if (wdev->netdev->reg_state == NETREG_REGISTERED)
		unregister_netdevice(wdev->netdev);
2993

2994 2995 2996 2997 2998 2999
	if (priv->dfs_cac_workqueue) {
		flush_workqueue(priv->dfs_cac_workqueue);
		destroy_workqueue(priv->dfs_cac_workqueue);
		priv->dfs_cac_workqueue = NULL;
	}

3000 3001 3002 3003 3004
	if (priv->dfs_chan_sw_workqueue) {
		flush_workqueue(priv->dfs_chan_sw_workqueue);
		destroy_workqueue(priv->dfs_chan_sw_workqueue);
		priv->dfs_chan_sw_workqueue = NULL;
	}
3005
	/* Clear the priv in adapter */
3006
	priv->netdev->ieee80211_ptr = NULL;
3007
	priv->netdev = NULL;
3008
	priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3009 3010 3011

	priv->media_connected = false;

3012 3013 3014 3015
	switch (priv->bss_mode) {
	case NL80211_IFTYPE_UNSPECIFIED:
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
3016
		adapter->curr_iface_comb.sta_intf--;
3017 3018
		break;
	case NL80211_IFTYPE_AP:
3019
		adapter->curr_iface_comb.uap_intf--;
3020 3021 3022
		break;
	case NL80211_IFTYPE_P2P_CLIENT:
	case NL80211_IFTYPE_P2P_GO:
3023
		adapter->curr_iface_comb.p2p_intf--;
3024 3025
		break;
	default:
3026 3027
		mwifiex_dbg(adapter, ERROR,
			    "del_virtual_intf: type not supported\n");
3028 3029 3030
		break;
	}

3031 3032
	priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;

3033 3034 3035 3036
	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
	    GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
		kfree(priv->hist_data);

3037 3038 3039 3040
	return 0;
}
EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);

A
Amitkumar Karwar 已提交
3041
static bool
3042 3043
mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
			     u8 max_byte_seq)
A
Amitkumar Karwar 已提交
3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060
{
	int j, k, valid_byte_cnt = 0;
	bool dont_care_byte = false;

	for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
		for (k = 0; k < 8; k++) {
			if (pat->mask[j] & 1 << k) {
				memcpy(byte_seq + valid_byte_cnt,
				       &pat->pattern[j * 8 + k], 1);
				valid_byte_cnt++;
				if (dont_care_byte)
					return false;
			} else {
				if (valid_byte_cnt)
					dont_care_byte = true;
			}

3061 3062 3063 3064 3065 3066
			/* wildcard bytes record as the offset
			 * before the valid byte
			 */
			if (!valid_byte_cnt && !dont_care_byte)
				pat->pkt_offset++;

3067
			if (valid_byte_cnt > max_byte_seq)
A
Amitkumar Karwar 已提交
3068 3069 3070 3071
				return false;
		}
	}

3072
	byte_seq[max_byte_seq] = valid_byte_cnt;
A
Amitkumar Karwar 已提交
3073 3074 3075 3076

	return true;
}

3077
#ifdef CONFIG_PM
3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135
static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
					   struct mwifiex_mef_entry *mef_entry)
{
	int i, filt_num = 0, num_ipv4 = 0;
	struct in_device *in_dev;
	struct in_ifaddr *ifa;
	__be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
	struct mwifiex_adapter *adapter = priv->adapter;

	mef_entry->mode = MEF_MODE_HOST_SLEEP;
	mef_entry->action = MEF_ACTION_AUTO_ARP;

	/* Enable ARP offload feature */
	memset(ips, 0, sizeof(ips));
	for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
		if (adapter->priv[i]->netdev) {
			in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
			if (!in_dev)
				continue;
			ifa = in_dev->ifa_list;
			if (!ifa || !ifa->ifa_local)
				continue;
			ips[i] = ifa->ifa_local;
			num_ipv4++;
		}
	}

	for (i = 0; i < num_ipv4; i++) {
		if (!ips[i])
			continue;
		mef_entry->filter[filt_num].repeat = 1;
		memcpy(mef_entry->filter[filt_num].byte_seq,
		       (u8 *)&ips[i], sizeof(ips[i]));
		mef_entry->filter[filt_num].
			byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
			sizeof(ips[i]);
		mef_entry->filter[filt_num].offset = 46;
		mef_entry->filter[filt_num].filt_type = TYPE_EQ;
		if (filt_num) {
			mef_entry->filter[filt_num].filt_action =
				TYPE_OR;
		}
		filt_num++;
	}

	mef_entry->filter[filt_num].repeat = 1;
	mef_entry->filter[filt_num].byte_seq[0] = 0x08;
	mef_entry->filter[filt_num].byte_seq[1] = 0x06;
	mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
	mef_entry->filter[filt_num].offset = 20;
	mef_entry->filter[filt_num].filt_type = TYPE_EQ;
	mef_entry->filter[filt_num].filt_action = TYPE_AND;
}

static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
					struct mwifiex_ds_mef_cfg *mef_cfg,
					struct mwifiex_mef_entry *mef_entry,
					struct cfg80211_wowlan *wowlan)
A
Amitkumar Karwar 已提交
3136
{
3137
	int i, filt_num = 0, ret = 0;
A
Amitkumar Karwar 已提交
3138
	bool first_pat = true;
A
Amitkumar Karwar 已提交
3139
	u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
A
Amitkumar Karwar 已提交
3140 3141 3142 3143 3144 3145 3146 3147 3148
	const u8 ipv4_mc_mac[] = {0x33, 0x33};
	const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};

	mef_entry->mode = MEF_MODE_HOST_SLEEP;
	mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;

	for (i = 0; i < wowlan->n_patterns; i++) {
		memset(byte_seq, 0, sizeof(byte_seq));
		if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3149 3150
					byte_seq,
					MWIFIEX_MEF_MAX_BYTESEQ)) {
3151 3152
			mwifiex_dbg(priv->adapter, ERROR,
				    "Pattern not supported\n");
A
Amitkumar Karwar 已提交
3153 3154 3155 3156 3157
			return -EOPNOTSUPP;
		}

		if (!wowlan->patterns[i].pkt_offset) {
			if (!(byte_seq[0] & 0x01) &&
A
Amitkumar Karwar 已提交
3158
			    (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3159
				mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
A
Amitkumar Karwar 已提交
3160 3161
				continue;
			} else if (is_broadcast_ether_addr(byte_seq)) {
3162
				mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
A
Amitkumar Karwar 已提交
3163 3164
				continue;
			} else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
A
Amitkumar Karwar 已提交
3165
				    (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
A
Amitkumar Karwar 已提交
3166
				   (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
A
Amitkumar Karwar 已提交
3167
				    (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3168
				mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
A
Amitkumar Karwar 已提交
3169 3170 3171 3172 3173
				continue;
			}
		}
		mef_entry->filter[filt_num].repeat = 1;
		mef_entry->filter[filt_num].offset =
3174
			wowlan->patterns[i].pkt_offset;
A
Amitkumar Karwar 已提交
3175
		memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3176
				sizeof(byte_seq));
A
Amitkumar Karwar 已提交
3177 3178
		mef_entry->filter[filt_num].filt_type = TYPE_EQ;

C
chunfan chen 已提交
3179
		if (first_pat) {
A
Amitkumar Karwar 已提交
3180
			first_pat = false;
C
chunfan chen 已提交
3181 3182
			mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
		} else {
A
Amitkumar Karwar 已提交
3183
			mef_entry->filter[filt_num].filt_action = TYPE_AND;
C
chunfan chen 已提交
3184
		}
A
Amitkumar Karwar 已提交
3185 3186 3187 3188 3189

		filt_num++;
	}

	if (wowlan->magic_pkt) {
3190
		mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
A
Amitkumar Karwar 已提交
3191 3192
		mef_entry->filter[filt_num].repeat = 16;
		memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3193
				ETH_ALEN);
A
Amitkumar Karwar 已提交
3194
		mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3195
			ETH_ALEN;
3196
		mef_entry->filter[filt_num].offset = 28;
A
Amitkumar Karwar 已提交
3197 3198 3199
		mef_entry->filter[filt_num].filt_type = TYPE_EQ;
		if (filt_num)
			mef_entry->filter[filt_num].filt_action = TYPE_OR;
3200 3201 3202 3203

		filt_num++;
		mef_entry->filter[filt_num].repeat = 16;
		memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3204
				ETH_ALEN);
3205
		mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3206
			ETH_ALEN;
3207 3208 3209
		mef_entry->filter[filt_num].offset = 56;
		mef_entry->filter[filt_num].filt_type = TYPE_EQ;
		mef_entry->filter[filt_num].filt_action = TYPE_OR;
C
chunfan chen 已提交
3210
		mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
A
Amitkumar Karwar 已提交
3211
	}
3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236
	return ret;
}

static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
				  struct cfg80211_wowlan *wowlan)
{
	int ret = 0, num_entries = 1;
	struct mwifiex_ds_mef_cfg mef_cfg;
	struct mwifiex_mef_entry *mef_entry;

	if (wowlan->n_patterns || wowlan->magic_pkt)
		num_entries++;

	mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
	if (!mef_entry)
		return -ENOMEM;

	memset(&mef_cfg, 0, sizeof(mef_cfg));
	mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
		MWIFIEX_CRITERIA_UNICAST;
	mef_cfg.num_entries = num_entries;
	mef_cfg.mef_entry = mef_entry;

	mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);

3237
	if (wowlan->n_patterns || wowlan->magic_pkt) {
3238 3239
		ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
						   &mef_entry[1], wowlan);
3240 3241 3242
		if (ret)
			goto err;
	}
A
Amitkumar Karwar 已提交
3243 3244 3245

	if (!mef_cfg.criteria)
		mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3246 3247
			MWIFIEX_CRITERIA_UNICAST |
			MWIFIEX_CRITERIA_MULTICAST;
A
Amitkumar Karwar 已提交
3248

3249
	ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3250 3251
			HostCmd_ACT_GEN_SET, 0,
			&mef_cfg, true);
3252 3253

err:
A
Amitkumar Karwar 已提交
3254 3255 3256 3257
	kfree(mef_entry);
	return ret;
}

3258 3259 3260 3261
static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
				    struct cfg80211_wowlan *wowlan)
{
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3262
	struct mwifiex_ds_hs_cfg hs_cfg;
3263
	int i, ret = 0, retry_num = 10;
3264 3265 3266 3267 3268 3269 3270 3271
	struct mwifiex_private *priv;

	for (i = 0; i < adapter->priv_num; i++) {
		priv = adapter->priv[i];
		mwifiex_abort_cac(priv);
	}

	mwifiex_cancel_all_pending_cmd(adapter);
3272

3273 3274
	for (i = 0; i < adapter->priv_num; i++) {
		priv = adapter->priv[i];
3275
		if (priv && priv->netdev) {
3276
			mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3277 3278 3279
			if (netif_carrier_ok(priv->netdev))
				netif_carrier_off(priv->netdev);
		}
3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290
	}

	for (i = 0; i < retry_num; i++) {
		if (!mwifiex_wmm_lists_empty(adapter) ||
		    !mwifiex_bypass_txlist_empty(adapter) ||
		    !skb_queue_empty(&adapter->tx_data_q))
			usleep_range(10000, 15000);
		else
			break;
	}

3291
	if (!wowlan) {
3292 3293
		mwifiex_dbg(adapter, ERROR,
			    "None of the WOWLAN triggers enabled\n");
3294 3295 3296
		return 0;
	}

3297 3298
	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);

3299
	if (!priv->media_connected && !wowlan->nd_config) {
3300 3301
		mwifiex_dbg(adapter, ERROR,
			    "Can not configure WOWLAN in disconnected state\n");
3302 3303 3304
		return 0;
	}

3305 3306
	ret = mwifiex_set_mef_filter(priv, wowlan);
	if (ret) {
3307
		mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3308
		return ret;
3309 3310
	}

3311 3312 3313 3314 3315 3316 3317 3318 3319 3320
	memset(&hs_cfg, 0, sizeof(hs_cfg));
	hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);

	if (wowlan->nd_config) {
		mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
		hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
		mwifiex_cfg80211_sched_scan_start(wiphy, priv->netdev,
						  wowlan->nd_config);
	}

3321
	if (wowlan->disconnect) {
3322
		hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
C
chunfan chen 已提交
3323
		mwifiex_dbg(priv->adapter, INFO, "Wake on device disconnect\n");
3324 3325
	}

3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336
	hs_cfg.is_invoke_hostcmd = false;
	hs_cfg.gpio = adapter->hs_cfg.gpio;
	hs_cfg.gap = adapter->hs_cfg.gap;
	ret = mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
				    MWIFIEX_SYNC_CMD, &hs_cfg);
	if (ret) {
		mwifiex_dbg(adapter, ERROR,
			    "Failed to set HS params\n");
		return ret;
	}

3337 3338 3339
	return ret;
}

A
Amitkumar Karwar 已提交
3340 3341
static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
{
3342
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3343
	struct mwifiex_private *priv;
3344 3345 3346 3347
	struct mwifiex_ds_wakeup_reason wakeup_reason;
	struct cfg80211_wowlan_wakeup wakeup_report;
	int i;

3348 3349
	for (i = 0; i < adapter->priv_num; i++) {
		priv = adapter->priv[i];
3350 3351 3352
		if (priv && priv->netdev) {
			if (!netif_carrier_ok(priv->netdev))
				netif_carrier_on(priv->netdev);
3353
			mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
3354
		}
3355 3356 3357
	}

	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392
	mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
				  &wakeup_reason);
	memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));

	wakeup_report.pattern_idx = -1;

	switch (wakeup_reason.hs_wakeup_reason) {
	case NO_HSWAKEUP_REASON:
		break;
	case BCAST_DATA_MATCHED:
		break;
	case MCAST_DATA_MATCHED:
		break;
	case UCAST_DATA_MATCHED:
		break;
	case MASKTABLE_EVENT_MATCHED:
		break;
	case NON_MASKABLE_EVENT_MATCHED:
		if (wiphy->wowlan_config->disconnect)
			wakeup_report.disconnect = true;
		if (wiphy->wowlan_config->nd_config)
			wakeup_report.net_detect = adapter->nd_info;
		break;
	case NON_MASKABLE_CONDITION_MATCHED:
		break;
	case MAGIC_PATTERN_MATCHED:
		if (wiphy->wowlan_config->magic_pkt)
			wakeup_report.magic_pkt = true;
		if (wiphy->wowlan_config->n_patterns)
			wakeup_report.pattern_idx = 1;
		break;
	case CONTROL_FRAME_MATCHED:
		break;
	case	MANAGEMENT_FRAME_MATCHED:
		break;
3393 3394 3395 3396
	case GTK_REKEY_FAILURE:
		if (wiphy->wowlan_config->gtk_rekey_failure)
			wakeup_report.gtk_rekey_failure = true;
		break;
3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412
	default:
		break;
	}

	if ((wakeup_reason.hs_wakeup_reason > 0) &&
	    (wakeup_reason.hs_wakeup_reason <= 7))
		cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
					      GFP_KERNEL);

	if (adapter->nd_info) {
		for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
			kfree(adapter->nd_info->matches[i]);
		kfree(adapter->nd_info);
		adapter->nd_info = NULL;
	}

A
Amitkumar Karwar 已提交
3413 3414 3415 3416 3417 3418 3419 3420 3421 3422
	return 0;
}

static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
				       bool enabled)
{
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);

	device_set_wakeup_enable(adapter->dev, enabled);
}
3423 3424 3425 3426 3427 3428 3429 3430 3431 3432

static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
				  struct cfg80211_gtk_rekey_data *data)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
				HostCmd_ACT_GEN_SET, 0, data, true);
}

A
Amitkumar Karwar 已提交
3433 3434
#endif

3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472
static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
{
	const u8 ipv4_mc_mac[] = {0x33, 0x33};
	const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
	const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};

	if ((byte_seq[0] & 0x01) &&
	    (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
		return PACKET_TYPE_UNICAST;
	else if (!memcmp(byte_seq, bc_mac, 4))
		return PACKET_TYPE_BROADCAST;
	else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
		  byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
		 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
		  byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
		return PACKET_TYPE_MULTICAST;

	return 0;
}

static int
mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
				struct cfg80211_coalesce_rules *crule,
				struct mwifiex_coalesce_rule *mrule)
{
	u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
	struct filt_field_param *param;
	int i;

	mrule->max_coalescing_delay = crule->delay;

	param = mrule->params;

	for (i = 0; i < crule->n_patterns; i++) {
		memset(byte_seq, 0, sizeof(byte_seq));
		if (!mwifiex_is_pattern_supported(&crule->patterns[i],
						  byte_seq,
						MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3473 3474
			mwifiex_dbg(priv->adapter, ERROR,
				    "Pattern not supported\n");
3475 3476 3477 3478 3479 3480 3481 3482
			return -EOPNOTSUPP;
		}

		if (!crule->patterns[i].pkt_offset) {
			u8 pkt_type;

			pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
			if (pkt_type && mrule->pkt_type) {
3483 3484
				mwifiex_dbg(priv->adapter, ERROR,
					    "Multiple packet types not allowed\n");
3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506
				return -EOPNOTSUPP;
			} else if (pkt_type) {
				mrule->pkt_type = pkt_type;
				continue;
			}
		}

		if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
			param->operation = RECV_FILTER_MATCH_TYPE_EQ;
		else
			param->operation = RECV_FILTER_MATCH_TYPE_NE;

		param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
		memcpy(param->operand_byte_stream, byte_seq,
		       param->operand_len);
		param->offset = crule->patterns[i].pkt_offset;
		param++;

		mrule->num_of_fields++;
	}

	if (!mrule->pkt_type) {
3507 3508
		mwifiex_dbg(priv->adapter, ERROR,
			    "Packet type can not be determined\n");
3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525
		return -EOPNOTSUPP;
	}

	return 0;
}

static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
					 struct cfg80211_coalesce *coalesce)
{
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	int i, ret;
	struct mwifiex_ds_coalesce_cfg coalesce_cfg;
	struct mwifiex_private *priv =
			mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);

	memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
	if (!coalesce) {
3526 3527
		mwifiex_dbg(adapter, WARN,
			    "Disable coalesce and reset all previous rules\n");
3528 3529 3530
		return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
					HostCmd_ACT_GEN_SET, 0,
					&coalesce_cfg, true);
3531 3532 3533 3534 3535 3536 3537
	}

	coalesce_cfg.num_of_rules = coalesce->n_rules;
	for (i = 0; i < coalesce->n_rules; i++) {
		ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
						      &coalesce_cfg.rule[i]);
		if (ret) {
3538 3539
			mwifiex_dbg(adapter, ERROR,
				    "Recheck the patterns provided for rule %d\n",
3540 3541 3542 3543 3544
				i + 1);
			return ret;
		}
	}

3545 3546
	return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
				HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3547 3548
}

3549 3550 3551 3552 3553
/* cfg80211 ops handler for tdls_mgmt.
 * Function prepares TDLS action frame packets and forwards them to FW
 */
static int
mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3554
			   const u8 *peer, u8 action_code, u8 dialog_token,
3555
			   u16 status_code, u32 peer_capability,
3556 3557
			   bool initiator, const u8 *extra_ies,
			   size_t extra_ies_len)
3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	int ret;

	if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
		return -ENOTSUPP;

	/* make sure we are in station mode and connected */
	if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
		return -ENOTSUPP;

	switch (action_code) {
	case WLAN_TDLS_SETUP_REQUEST:
3571 3572 3573
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Setup Request to %pM status_code=%d\n",
			    peer, status_code);
A
Avinash Patil 已提交
3574
		mwifiex_add_auto_tdls_peer(priv, peer);
3575 3576 3577 3578 3579
		ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	case WLAN_TDLS_SETUP_RESPONSE:
A
Avinash Patil 已提交
3580
		mwifiex_add_auto_tdls_peer(priv, peer);
3581 3582 3583
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Setup Response to %pM status_code=%d\n",
			    peer, status_code);
3584 3585 3586 3587 3588
		ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	case WLAN_TDLS_SETUP_CONFIRM:
3589 3590 3591
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Confirm to %pM status_code=%d\n", peer,
			    status_code);
3592 3593 3594 3595 3596
		ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	case WLAN_TDLS_TEARDOWN:
3597 3598
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Tear down to %pM\n", peer);
3599 3600 3601 3602 3603
		ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	case WLAN_TDLS_DISCOVERY_REQUEST:
3604 3605
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Discovery Request to %pM\n", peer);
3606 3607 3608 3609 3610
		ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3611 3612
		mwifiex_dbg(priv->adapter, MSG,
			    "Send TDLS Discovery Response to %pM\n", peer);
3613 3614 3615 3616 3617
		ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
						   dialog_token, status_code,
						   extra_ies, extra_ies_len);
		break;
	default:
3618 3619
		mwifiex_dbg(priv->adapter, ERROR,
			    "Unknown TDLS mgmt/action frame %pM\n", peer);
3620 3621 3622 3623 3624 3625 3626
		ret = -EINVAL;
		break;
	}

	return ret;
}

3627 3628
static int
mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3629
			   const u8 *peer, enum nl80211_tdls_operation action)
3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
	    !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
		return -ENOTSUPP;

	/* make sure we are in station mode and connected */
	if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
		return -ENOTSUPP;

3641 3642
	mwifiex_dbg(priv->adapter, MSG,
		    "TDLS peer=%pM, oper=%d\n", peer, action);
3643 3644 3645 3646 3647 3648 3649 3650 3651 3652

	switch (action) {
	case NL80211_TDLS_ENABLE_LINK:
		action = MWIFIEX_TDLS_ENABLE_LINK;
		break;
	case NL80211_TDLS_DISABLE_LINK:
		action = MWIFIEX_TDLS_DISABLE_LINK;
		break;
	case NL80211_TDLS_TEARDOWN:
		/* shouldn't happen!*/
3653 3654
		mwifiex_dbg(priv->adapter, ERROR,
			    "tdls_oper: teardown from driver not supported\n");
3655 3656 3657
		return -EINVAL;
	case NL80211_TDLS_SETUP:
		/* shouldn't happen!*/
3658 3659
		mwifiex_dbg(priv->adapter, ERROR,
			    "tdls_oper: setup from driver not supported\n");
3660 3661 3662
		return -EINVAL;
	case NL80211_TDLS_DISCOVERY_REQ:
		/* shouldn't happen!*/
3663 3664
		mwifiex_dbg(priv->adapter, ERROR,
			    "tdls_oper: discovery from driver not supported\n");
3665 3666
		return -EINVAL;
	default:
3667 3668
		mwifiex_dbg(priv->adapter, ERROR,
			    "tdls_oper: operation not supported\n");
3669 3670 3671 3672 3673 3674
		return -ENOTSUPP;
	}

	return mwifiex_tdls_oper(priv, peer, action);
}

3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740
static int
mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
				  const u8 *addr, u8 oper_class,
				  struct cfg80211_chan_def *chandef)
{
	struct mwifiex_sta_node *sta_ptr;
	unsigned long flags;
	u16 chan;
	u8 second_chan_offset, band;
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	spin_lock_irqsave(&priv->sta_list_spinlock, flags);
	sta_ptr = mwifiex_get_sta_entry(priv, addr);
	spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);

	if (!sta_ptr) {
		wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
			  __func__, addr);
		return -ENOENT;
	}

	if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
	      WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
		wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
		return -ENOENT;
	}

	if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
	    sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
		wiphy_err(wiphy, "channel switch is running, abort request\n");
		return -EALREADY;
	}

	chan = chandef->chan->hw_value;
	second_chan_offset = mwifiex_get_sec_chan_offset(chan);
	band = chandef->chan->band;
	mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);

	return 0;
}

static void
mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
					 struct net_device *dev,
					 const u8 *addr)
{
	struct mwifiex_sta_node *sta_ptr;
	unsigned long flags;
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	spin_lock_irqsave(&priv->sta_list_spinlock, flags);
	sta_ptr = mwifiex_get_sta_entry(priv, addr);
	spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);

	if (!sta_ptr) {
		wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
			  __func__, addr);
	} else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
		     sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
		     sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
		wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
			  addr);
	} else
		mwifiex_stop_tdls_cs(priv, addr);
}

3741
static int
3742 3743
mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
			     const u8 *mac, struct station_parameters *params)
3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
		return -ENOTSUPP;

	/* make sure we are in station mode and connected */
	if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
		return -ENOTSUPP;

	return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
}

3757 3758 3759 3760 3761 3762 3763 3764 3765 3766
static int
mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
				struct cfg80211_csa_settings *params)
{
	struct ieee_types_header *chsw_ie;
	struct ieee80211_channel_sw_ie *channel_sw;
	int chsw_msec;
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	if (priv->adapter->scan_processing) {
3767 3768
		mwifiex_dbg(priv->adapter, ERROR,
			    "radar detection: scan in process...\n");
3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782
		return -EBUSY;
	}

	if (priv->wdev.cac_started)
		return -EBUSY;

	if (cfg80211_chandef_identical(&params->chandef,
				       &priv->dfs_chandef))
		return -EINVAL;

	chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
					   params->beacon_csa.tail,
					   params->beacon_csa.tail_len);
	if (!chsw_ie) {
3783 3784
		mwifiex_dbg(priv->adapter, ERROR,
			    "Could not parse channel switch announcement IE\n");
3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795
		return -EINVAL;
	}

	channel_sw = (void *)(chsw_ie + 1);
	if (channel_sw->mode) {
		if (netif_carrier_ok(priv->netdev))
			netif_carrier_off(priv->netdev);
		mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
	}

	if (mwifiex_del_mgmt_ies(priv))
3796 3797
		mwifiex_dbg(priv->adapter, ERROR,
			    "Failed to delete mgmt IEs!\n");
3798 3799

	if (mwifiex_set_mgmt_ies(priv, &params->beacon_csa)) {
3800 3801
		mwifiex_dbg(priv->adapter, ERROR,
			    "%s: setting mgmt ies failed\n", __func__);
3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814
		return -EFAULT;
	}

	memcpy(&priv->dfs_chandef, &params->chandef, sizeof(priv->dfs_chandef));
	memcpy(&priv->beacon_after, &params->beacon_after,
	       sizeof(priv->beacon_after));

	chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
	queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
			   msecs_to_jiffies(chsw_msec));
	return 0;
}

3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837
static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
					struct wireless_dev *wdev,
					struct cfg80211_chan_def *chandef)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
	struct mwifiex_bssdescriptor *curr_bss;
	struct ieee80211_channel *chan;
	u8 second_chan_offset;
	enum nl80211_channel_type chan_type;
	enum ieee80211_band band;
	int freq;
	int ret = -ENODATA;

	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
	    cfg80211_chandef_valid(&priv->bss_chandef)) {
		*chandef = priv->bss_chandef;
		ret = 0;
	} else if (priv->media_connected) {
		curr_bss = &priv->curr_bss_params.bss_descriptor;
		band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
		freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
		chan = ieee80211_get_channel(wiphy, freq);

3838 3839
		if (priv->ht_param_present) {
			second_chan_offset = priv->assoc_resp_ht_param &
3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853
					IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
			chan_type = mwifiex_sec_chan_offset_to_chan_type
							(second_chan_offset);
			cfg80211_chandef_create(chandef, chan, chan_type);
		} else {
			cfg80211_chandef_create(chandef, chan,
						NL80211_CHAN_NO_HT);
		}
		ret = 0;
	}

	return ret;
}

3854 3855 3856 3857 3858 3859 3860 3861 3862 3863
static int
mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
				       struct net_device *dev,
				       struct cfg80211_chan_def *chandef,
				       u32 cac_time_ms)
{
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
	struct mwifiex_radar_params radar_params;

	if (priv->adapter->scan_processing) {
3864 3865
		mwifiex_dbg(priv->adapter, ERROR,
			    "radar detection: scan already in process...\n");
3866 3867 3868
		return -EBUSY;
	}

3869
	if (!mwifiex_is_11h_active(priv)) {
3870 3871
		mwifiex_dbg(priv->adapter, INFO,
			    "Enable 11h extensions in FW\n");
3872
		if (mwifiex_11h_activate(priv, true)) {
3873 3874
			mwifiex_dbg(priv->adapter, ERROR,
				    "Failed to activate 11h extensions!!");
3875 3876 3877 3878 3879
			return -1;
		}
		priv->state_11h.is_11h_active = true;
	}

3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894
	memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
	radar_params.chandef = chandef;
	radar_params.cac_time_ms = cac_time_ms;

	memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));

	if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
			     HostCmd_ACT_GEN_SET, 0, &radar_params, true))
		return -1;

	queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
			   msecs_to_jiffies(cac_time_ms));
	return 0;
}

3895
static int
3896 3897 3898
mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
				const u8 *mac,
				struct station_parameters *params)
3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918
{
	int ret;
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

	/* we support change_station handler only for TDLS peers*/
	if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
		return -ENOTSUPP;

	/* make sure we are in station mode and connected */
	if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
		return -ENOTSUPP;

	priv->sta_params = params;

	ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
	priv->sta_params = NULL;

	return ret;
}

3919 3920
/* station cfg80211 operations */
static struct cfg80211_ops mwifiex_cfg80211_ops = {
3921 3922
	.add_virtual_intf = mwifiex_add_virtual_intf,
	.del_virtual_intf = mwifiex_del_virtual_intf,
3923 3924 3925 3926 3927
	.change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
	.scan = mwifiex_cfg80211_scan,
	.connect = mwifiex_cfg80211_connect,
	.disconnect = mwifiex_cfg80211_disconnect,
	.get_station = mwifiex_cfg80211_get_station,
3928
	.dump_station = mwifiex_cfg80211_dump_station,
3929
	.dump_survey = mwifiex_cfg80211_dump_survey,
3930 3931 3932 3933 3934
	.set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
	.join_ibss = mwifiex_cfg80211_join_ibss,
	.leave_ibss = mwifiex_cfg80211_leave_ibss,
	.add_key = mwifiex_cfg80211_add_key,
	.del_key = mwifiex_cfg80211_del_key,
3935
	.mgmt_tx = mwifiex_cfg80211_mgmt_tx,
3936
	.mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
3937 3938
	.remain_on_channel = mwifiex_cfg80211_remain_on_channel,
	.cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
3939 3940 3941
	.set_default_key = mwifiex_cfg80211_set_default_key,
	.set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
	.set_tx_power = mwifiex_cfg80211_set_tx_power,
3942
	.set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
3943 3944
	.start_ap = mwifiex_cfg80211_start_ap,
	.stop_ap = mwifiex_cfg80211_stop_ap,
3945
	.change_beacon = mwifiex_cfg80211_change_beacon,
3946
	.set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
3947
	.set_antenna = mwifiex_cfg80211_set_antenna,
A
Avinash Patil 已提交
3948
	.del_station = mwifiex_cfg80211_del_station,
X
Xinming Hu 已提交
3949 3950
	.sched_scan_start = mwifiex_cfg80211_sched_scan_start,
	.sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
A
Amitkumar Karwar 已提交
3951 3952 3953 3954
#ifdef CONFIG_PM
	.suspend = mwifiex_cfg80211_suspend,
	.resume = mwifiex_cfg80211_resume,
	.set_wakeup = mwifiex_cfg80211_set_wakeup,
3955
	.set_rekey_data = mwifiex_set_rekey_data,
A
Amitkumar Karwar 已提交
3956
#endif
3957
	.set_coalesce = mwifiex_cfg80211_set_coalesce,
3958
	.tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
3959
	.tdls_oper = mwifiex_cfg80211_tdls_oper,
3960 3961
	.tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
	.tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
3962
	.add_station = mwifiex_cfg80211_add_station,
3963
	.change_station = mwifiex_cfg80211_change_station,
3964
	.get_channel = mwifiex_cfg80211_get_channel,
3965
	.start_radar_detection = mwifiex_cfg80211_start_radar_detection,
3966
	.channel_switch = mwifiex_cfg80211_channel_switch,
3967 3968
};

3969 3970
#ifdef CONFIG_PM
static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
3971
	.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
3972 3973
		WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
		WIPHY_WOWLAN_GTK_REKEY_FAILURE,
A
Amitkumar Karwar 已提交
3974
	.n_patterns = MWIFIEX_MEF_MAX_FILTERS,
3975 3976 3977
	.pattern_min_len = 1,
	.pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
	.max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
3978
	.max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
3979 3980 3981
};
#endif

3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992
static bool mwifiex_is_valid_alpha2(const char *alpha2)
{
	if (!alpha2 || strlen(alpha2) != 2)
		return false;

	if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
		return true;

	return false;
}

3993 3994 3995 3996 3997 3998 3999 4000 4001
static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
	.n_rules = MWIFIEX_COALESCE_MAX_RULES,
	.max_delay = MWIFIEX_MAX_COALESCING_DELAY,
	.n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
	.pattern_min_len = 1,
	.pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
	.max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
};

4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020
int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
{
	u32 n_channels_bg, n_channels_a = 0;

	n_channels_bg = mwifiex_band_2ghz.n_channels;

	if (adapter->config_bands & BAND_A)
		n_channels_a = mwifiex_band_5ghz.n_channels;

	adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a);
	adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) *
				      adapter->num_in_chan_stats);

	if (!adapter->chan_stats)
		return -ENOMEM;

	return 0;
}

4021 4022 4023 4024 4025 4026 4027
/*
 * This function registers the device with CFG802.11 subsystem.
 *
 * The function creates the wireless device/wiphy, populates it with
 * default parameters and handler function pointers, and finally
 * registers the device.
 */
4028 4029

int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4030
{
4031 4032
	int ret;
	void *wdev_priv;
4033 4034
	struct wiphy *wiphy;
	struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4035
	u8 *country_code;
4036
	u32 thr, retry;
4037

4038 4039 4040 4041
	/* create a new wiphy for use with cfg80211 */
	wiphy = wiphy_new(&mwifiex_cfg80211_ops,
			  sizeof(struct mwifiex_adapter *));
	if (!wiphy) {
4042 4043
		mwifiex_dbg(adapter, ERROR,
			    "%s: creating new wiphy\n", __func__);
4044 4045
		return -ENOMEM;
	}
4046 4047
	wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
	wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4048
	wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4049
	wiphy->max_remain_on_channel_duration = 5000;
4050 4051
	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
				 BIT(NL80211_IFTYPE_ADHOC) |
S
Stone Piao 已提交
4052 4053
				 BIT(NL80211_IFTYPE_P2P_CLIENT) |
				 BIT(NL80211_IFTYPE_P2P_GO) |
4054 4055 4056 4057 4058 4059 4060
				 BIT(NL80211_IFTYPE_AP);

	wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
	if (adapter->config_bands & BAND_A)
		wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
	else
		wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
4061

4062
	if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4063 4064 4065
		wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
	else if (adapter->is_hw_11ac_capable)
		wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
4066 4067
	else
		wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4068 4069
	wiphy->n_iface_combinations = 1;

4070
	/* Initialize cipher suits */
4071 4072
	wiphy->cipher_suites = mwifiex_cipher_suites;
	wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4073

4074 4075 4076 4077
	if (adapter->region_code)
		wiphy->regulatory_flags |= REGULATORY_DISABLE_BEACON_HINTS |
					   REGULATORY_COUNTRY_IE_IGNORE;

4078
	ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4079
	wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4080
	wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
4081
			WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4082
			WIPHY_FLAG_AP_UAPSD |
X
Xinming Hu 已提交
4083
			WIPHY_FLAG_SUPPORTS_SCHED_SCAN |
4084
			WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4085 4086
			WIPHY_FLAG_HAS_CHANNEL_SWITCH |
			WIPHY_FLAG_PS_ON_BY_DEFAULT;
4087 4088 4089 4090 4091

	if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
		wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
				WIPHY_FLAG_TDLS_EXTERNAL_SETUP;

A
Amitkumar Karwar 已提交
4092
#ifdef CONFIG_PM
4093
	wiphy->wowlan = &mwifiex_wowlan_support;
A
Amitkumar Karwar 已提交
4094 4095
#endif

4096 4097
	wiphy->coalesce = &mwifiex_coalesce_support;

4098
	wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4099 4100
				    NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
				    NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4101

X
Xinming Hu 已提交
4102 4103 4104 4105
	wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
	wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
	wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;

4106 4107
	wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
	wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4108

4109
	wiphy->features |= NL80211_FEATURE_HT_IBSS |
4110
			   NL80211_FEATURE_INACTIVITY_TIMER |
4111
			   NL80211_FEATURE_LOW_PRIORITY_SCAN |
4112
			   NL80211_FEATURE_NEED_OBSS_SCAN;
4113

4114 4115 4116
	if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
		wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;

4117 4118 4119
	if (adapter->fw_api_ver == MWIFIEX_FW_V15)
		wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;

4120
	/* Reserve space for mwifiex specific private data for BSS */
4121
	wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4122

4123
	wiphy->reg_notifier = mwifiex_reg_notifier;
4124

4125
	/* Set struct mwifiex_adapter pointer in wiphy_priv */
4126
	wdev_priv = wiphy_priv(wiphy);
4127
	*(unsigned long *)wdev_priv = (unsigned long)adapter;
4128

4129
	set_wiphy_dev(wiphy, priv->adapter->dev);
4130

4131
	ret = wiphy_register(wiphy);
4132
	if (ret < 0) {
4133 4134
		mwifiex_dbg(adapter, ERROR,
			    "%s: wiphy_register failed: %d\n", __func__, ret);
4135
		wiphy_free(wiphy);
4136 4137
		return ret;
	}
4138 4139

	if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4140 4141
		mwifiex_dbg(adapter, INFO,
			    "driver hint alpha2: %2.2s\n", reg_alpha2);
4142 4143
		regulatory_hint(wiphy, reg_alpha2);
	} else {
4144 4145 4146 4147 4148 4149 4150 4151 4152
		if (adapter->region_code == 0x00) {
			mwifiex_dbg(adapter, WARN, "Ignore world regulatory domain\n");
		} else {
			country_code =
				mwifiex_11d_code_2_region(adapter->region_code);
			if (country_code &&
			    regulatory_hint(wiphy, country_code))
				mwifiex_dbg(priv->adapter, ERROR, "regulatory_hint() failed\n");
		}
4153
	}
4154

4155 4156
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4157
	wiphy->frag_threshold = thr;
4158 4159
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4160
	wiphy->rts_threshold = thr;
4161 4162
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4163
	wiphy->retry_short = (u8) retry;
4164 4165
	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
			 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4166 4167
	wiphy->retry_long = (u8) retry;

4168
	adapter->wiphy = wiphy;
4169 4170
	return ret;
}