cfg80211.c 63.8 KB
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/*
 * Marvell Wireless LAN device driver: CFG80211
 *
 * Copyright (C) 2011, Marvell International Ltd.
 *
 * 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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static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
	{
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		.max = 2, .types = BIT(NL80211_IFTYPE_STATION),
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	},
	{
		.max = 1, .types = BIT(NL80211_IFTYPE_AP),
	},
};

static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = {
	.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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static const struct ieee80211_regdomain mwifiex_world_regdom_custom = {
	.n_reg_rules = 7,
	.alpha2 =  "99",
	.reg_rules = {
		/* Channel 1 - 11 */
		REG_RULE(2412-10, 2462+10, 40, 3, 20, 0),
		/* Channel 12 - 13 */
		REG_RULE(2467-10, 2472+10, 20, 3, 20,
			 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
		/* Channel 14 */
		REG_RULE(2484-10, 2484+10, 20, 3, 20,
			 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
			 NL80211_RRF_NO_OFDM),
		/* Channel 36 - 48 */
		REG_RULE(5180-10, 5240+10, 40, 3, 20,
			 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
		/* Channel 149 - 165 */
		REG_RULE(5745-10, 5825+10, 40, 3, 20,
			 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
		/* Channel 52 - 64 */
		REG_RULE(5260-10, 5320+10, 40, 3, 30,
			 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
			 NL80211_RRF_DFS),
		/* Channel 100 - 140 */
		REG_RULE(5500-10, 5700+10, 40, 3, 30,
			 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
			 NL80211_RRF_DFS),
	}
};

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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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	}
}

/*
 * 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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		wiphy_err(wiphy, "deleting the crypto keys\n");
		return -EFAULT;
	}

	wiphy_dbg(wiphy, "info: crypto keys deleted\n");
	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;
	struct timeval tv;

	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;
	do_gettimeofday(&tv);
	skb->tstamp = timeval_to_ktime(tv);

	return 0;
}

/*
 * CFG802.11 operation handler to transmit a management frame.
 */
static int
mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
			 struct ieee80211_channel *chan, bool offchan,
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			 unsigned int wait, const u8 *buf, size_t len,
			 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
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{
	struct sk_buff *skb;
	u16 pkt_len;
	const struct ieee80211_mgmt *mgmt;
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);

	if (!buf || !len) {
		wiphy_err(wiphy, "invalid buffer and length\n");
		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 */
		wiphy_dbg(wiphy,
			  "info: skip to send probe resp in AP or GO mode\n");
		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) {
		wiphy_err(wiphy, "allocate skb failed for management frame\n");
		return -ENOMEM;
	}

	mwifiex_form_mgmt_frame(skb, buf, len);
	mwifiex_queue_tx_pkt(priv, skb);

	*cookie = random32() | 1;
	cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, GFP_ATOMIC);

	wiphy_dbg(wiphy, "info: management frame transmitted\n");
	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);

	if (reg)
		priv->mgmt_frame_mask |= BIT(frame_type >> 4);
	else
		priv->mgmt_frame_mask &= ~BIT(frame_type >> 4);

	mwifiex_send_cmd_async(priv, HostCmd_CMD_MGMT_FRAME_REG,
			       HostCmd_ACT_GEN_SET, 0, &priv->mgmt_frame_mask);

	wiphy_dbg(wiphy, "info: mgmt frame registered\n");
}

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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) {
		wiphy_err(wiphy, "Invalid parameter for ROC\n");
		return -EINVAL;
	}

	if (priv->roc_cfg.cookie) {
		wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llu\n",
			  priv->roc_cfg.cookie);
		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) {
		*cookie = random32() | 1;
		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);

		wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie);
	}

	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));

		wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie);
	}

	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)
		wiphy_dbg(wiphy,
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			  "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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		wiphy_err(wiphy, "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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		wiphy_err(wiphy, "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)
 */
static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
{
	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]) {
		wiphy_err(wiphy, "11D: setting domain info in FW\n");
		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_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
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				   HostCmd_ACT_GEN_SET, 0, NULL)) {
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		wiphy_err(wiphy, "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
 */
static int mwifiex_reg_notifier(struct wiphy *wiphy,
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				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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	wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
		  request->alpha2[0], request->alpha2[1]);
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	memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2));
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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:
		break;
		/* Todo: apply driver specific changes in channel flags based
		   on the request initiator if necessary. */
	case NL80211_REGDOM_SET_BY_COUNTRY_IE:
		break;
	}
	mwifiex_send_domain_info_cmd_fw(wiphy);

	return 0;
}

/*
 * This function sets the fragmentation threshold.
 *
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 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
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 * and MWIFIEX_FRAG_MAX_VALUE.
 */
static int
mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
{
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	if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
	    frag_thr > MWIFIEX_FRAG_MAX_VALUE)
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		frag_thr = MWIFIEX_FRAG_MAX_VALUE;
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	return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
				     HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
				     &frag_thr);
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}

/*
 * This function sets the RTS threshold.
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 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
 * and MWIFIEX_RTS_MAX_VALUE.
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 */
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;

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	return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
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				    HostCmd_ACT_GEN_SET, RTS_THRESH_I,
				    &rts_thr);
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}

/*
 * 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)
{
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	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
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	struct mwifiex_private *priv;
	struct mwifiex_uap_bss_param *bss_cfg;
	int ret, bss_started, i;

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

		switch (priv->bss_role) {
		case MWIFIEX_BSS_ROLE_UAP:
			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 (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;

			bss_started = priv->bss_started;

			ret = mwifiex_send_cmd_sync(priv,
						    HostCmd_CMD_UAP_BSS_STOP,
						    HostCmd_ACT_GEN_SET, 0,
						    NULL);
			if (ret) {
				wiphy_err(wiphy, "Failed to stop the BSS\n");
				kfree(bss_cfg);
				return ret;
			}

			ret = mwifiex_send_cmd_async(priv,
						     HostCmd_CMD_UAP_SYS_CONFIG,
						     HostCmd_ACT_GEN_SET,
630
						     UAP_BSS_PARAMS_I, bss_cfg);
631

632 633 634 635 636 637
			kfree(bss_cfg);

			if (ret) {
				wiphy_err(wiphy, "Failed to set bss config\n");
				return ret;
			}
638

639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669
			if (!bss_started)
				break;

			ret = mwifiex_send_cmd_async(priv,
						     HostCmd_CMD_UAP_BSS_START,
						     HostCmd_ACT_GEN_SET, 0,
						     NULL);
			if (ret) {
				wiphy_err(wiphy, "Failed to start BSS\n");
				return ret;
			}

			break;
		case MWIFIEX_BSS_ROLE_STA:
			if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
				ret = mwifiex_set_rts(priv,
						      wiphy->rts_threshold);
				if (ret)
					return ret;
			}
			if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
				ret = mwifiex_set_frag(priv,
						       wiphy->frag_threshold);
				if (ret)
					return ret;
			}
			break;
		}
	}

	return 0;
670 671
}

672 673 674 675 676
static int
mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
{
	u16 mode = P2P_MODE_DISABLE;

677 678 679
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA)
		mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA);

680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712
	if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
				  HostCmd_ACT_GEN_SET, 0, &mode))
		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;
	if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
				  HostCmd_ACT_GEN_SET, 0, &mode))
		return -1;

	mode = P2P_MODE_CLIENT;
	if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
				  HostCmd_ACT_GEN_SET, 0, &mode))
		return -1;

	return 0;
}

713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741
/*
 * 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;
	if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
				  HostCmd_ACT_GEN_SET, 0, &mode))
		return -1;

	mode = P2P_MODE_GO;
	if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
				  HostCmd_ACT_GEN_SET, 0, &mode))
		return -1;

	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
		mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP);

	return 0;
}

742 743 744 745 746 747 748 749 750
/*
 * 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)
{
751
	int ret;
752 753
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);

754
	switch (dev->ieee80211_ptr->iftype) {
755
	case NL80211_IFTYPE_ADHOC:
756 757 758 759 760 761 762 763 764 765 766 767 768
		switch (type) {
		case NL80211_IFTYPE_STATION:
			break;
		case NL80211_IFTYPE_UNSPECIFIED:
			wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
		case NL80211_IFTYPE_ADHOC:	/* This shouldn't happen */
			return 0;
		case NL80211_IFTYPE_AP:
		default:
			wiphy_err(wiphy, "%s: changing to %d not supported\n",
				  dev->name, type);
			return -EOPNOTSUPP;
		}
769 770
		break;
	case NL80211_IFTYPE_STATION:
771 772 773
		switch (type) {
		case NL80211_IFTYPE_ADHOC:
			break;
774 775 776 777 778
		case NL80211_IFTYPE_P2P_CLIENT:
			if (mwifiex_cfg80211_init_p2p_client(priv))
				return -EFAULT;
			dev->ieee80211_ptr->iftype = type;
			return 0;
779 780 781 782 783
		case NL80211_IFTYPE_P2P_GO:
			if (mwifiex_cfg80211_init_p2p_go(priv))
				return -EFAULT;
			dev->ieee80211_ptr->iftype = type;
			return 0;
784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807
		case NL80211_IFTYPE_UNSPECIFIED:
			wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
		case NL80211_IFTYPE_STATION:	/* This shouldn't happen */
			return 0;
		case NL80211_IFTYPE_AP:
		default:
			wiphy_err(wiphy, "%s: changing to %d not supported\n",
				  dev->name, type);
			return -EOPNOTSUPP;
		}
		break;
	case NL80211_IFTYPE_AP:
		switch (type) {
		case NL80211_IFTYPE_UNSPECIFIED:
			wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
		case NL80211_IFTYPE_AP:		/* This shouldn't happen */
			return 0;
		case NL80211_IFTYPE_ADHOC:
		case NL80211_IFTYPE_STATION:
		default:
			wiphy_err(wiphy, "%s: changing to %d not supported\n",
				  dev->name, type);
			return -EOPNOTSUPP;
		}
808
		break;
809
	case NL80211_IFTYPE_P2P_CLIENT:
810
	case NL80211_IFTYPE_P2P_GO:
811 812 813 814 815 816 817 818 819 820
		switch (type) {
		case NL80211_IFTYPE_STATION:
			if (mwifiex_cfg80211_deinit_p2p(priv))
				return -EFAULT;
			dev->ieee80211_ptr->iftype = type;
			return 0;
		default:
			return -EOPNOTSUPP;
		}
		break;
821
	default:
822 823 824
		wiphy_err(wiphy, "%s: unknown iftype: %d\n",
			  dev->name, dev->ieee80211_ptr->iftype);
		return -EOPNOTSUPP;
825 826
	}

827 828
	dev->ieee80211_ptr->iftype = type;
	priv->bss_mode = type;
829
	mwifiex_deauthenticate(priv, NULL);
830

831
	priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
832

833 834
	ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
				    HostCmd_ACT_GEN_SET, 0, NULL);
835

836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853
	return ret;
}

/*
 * 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,
			  struct station_info *sinfo)
{
854
	u32 rate;
855 856

	sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
857 858 859
			STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
			STATION_INFO_TX_BITRATE |
			STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
860 861

	/* Get signal information from the firmware */
862 863 864 865
	if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
				  HostCmd_ACT_GEN_GET, 0, NULL)) {
		dev_err(priv->adapter->dev, "failed to get signal information\n");
		return -EFAULT;
866 867 868 869
	}

	if (mwifiex_drv_get_data_rate(priv, &rate)) {
		dev_err(priv->adapter->dev, "getting data rate\n");
870
		return -EFAULT;
871 872
	}

873 874 875 876 877
	/* Get DTIM period information from firmware */
	mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
			      HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
			      &priv->dtim_period);

878 879
	/*
	 * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid
880
	 * MCS index values for us are 0 to 15.
881
	 */
882
	if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
883 884 885 886 887 888 889 890 891 892
		sinfo->txrate.mcs = priv->tx_rate;
		sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
		/* 40MHz rate */
		if (priv->tx_htinfo & BIT(1))
			sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
		/* SGI enabled */
		if (priv->tx_htinfo & BIT(2))
			sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
	}

893
	sinfo->signal_avg = priv->bcn_rssi_avg;
894 895 896 897
	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;
898
	sinfo->signal = priv->bcn_rssi_avg;
899
	/* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
900
	sinfo->txrate.legacy = rate * 5;
901

902 903 904 905 906 907 908 909 910 911 912
	if (priv->bss_mode == NL80211_IFTYPE_STATION) {
		sinfo->filled |= STATION_INFO_BSS_PARAM;
		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;
913
		sinfo->bss_param.dtim_period = priv->dtim_period;
914 915 916 917
		sinfo->bss_param.beacon_interval =
			priv->curr_bss_params.bss_descriptor.beacon_period;
	}

918
	return 0;
919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937
}

/*
 * 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,
			     u8 *mac, struct station_info *sinfo)
{
	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;

938
	return mwifiex_dump_station_info(priv, sinfo);
939 940
}

941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957
/*
 * 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);

	if (!priv->media_connected || idx)
		return -ENOENT;

	memcpy(mac, priv->cfg_bssid, ETH_ALEN);

	return mwifiex_dump_station_info(priv, sinfo);
}

958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995
/* 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,
996
	.n_bitrates = ARRAY_SIZE(mwifiex_rates),
997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035
};

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),
1036 1037
	.bitrates = mwifiex_rates + 4,
	.n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1038 1039 1040 1041 1042 1043 1044 1045 1046
};


/* 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,
1047
	WLAN_CIPHER_SUITE_AES_CMAC,
1048 1049
};

1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078
/* 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),
	},
};

1079 1080 1081
/*
 * CFG802.11 operation handler for setting bit rates.
 *
1082 1083
 * Function configures data rates to firmware using bitrate mask
 * provided by cfg80211.
1084 1085 1086 1087 1088 1089 1090
 */
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);
1091 1092
	u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
	enum ieee80211_band band;
1093

1094 1095 1096 1097
	if (!priv->media_connected) {
		dev_err(priv->adapter->dev,
			"Can not set Tx data rate in disconnected state\n");
		return -EINVAL;
1098 1099
	}

1100
	band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1101

1102
	memset(bitmap_rates, 0, sizeof(bitmap_rates));
1103

1104 1105 1106
	/* Fill HR/DSSS rates. */
	if (band == IEEE80211_BAND_2GHZ)
		bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1107

1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120
	/* 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;

	/* Fill MCS rates */
	bitmap_rates[2] = mask->control[band].mcs[0];
	if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2)
		bitmap_rates[2] |= mask->control[band].mcs[1] << 8;

	return mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
				     HostCmd_ACT_GEN_SET, 0, bitmap_rates);
1121 1122
}

1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161
/*
 * 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;
		return mwifiex_send_cmd_sync(priv,
					     HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
					     0, 0, &subsc_evt);
	} else {
		subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
		return mwifiex_send_cmd_sync(priv,
					     HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
					     0, 0, &subsc_evt);
	}

	return 0;
}

1162 1163 1164 1165 1166 1167 1168 1169 1170
/* 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);

1171
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188
		wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
		return -EINVAL;
	}

	if (!priv->bss_started) {
		wiphy_err(wiphy, "%s: bss not started\n", __func__);
		return -EINVAL;
	}

	if (mwifiex_set_mgmt_ies(priv, data)) {
		wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
		return -EFAULT;
	}

	return 0;
}

1189 1190 1191 1192 1193 1194 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 1220 1221 1222 1223 1224
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;
		}
	}

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

	return mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_ANTENNA,
				     HostCmd_ACT_GEN_SET, 0, &ant_cfg);
}

1225 1226 1227 1228 1229 1230 1231
/* 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);

A
Avinash Patil 已提交
1232 1233 1234
	if (mwifiex_del_mgmt_ies(priv))
		wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");

1235 1236
	priv->ap_11n_enabled = 0;

1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256
	if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
				  HostCmd_ACT_GEN_SET, 0, NULL)) {
		wiphy_err(wiphy, "Failed to stop the BSS\n");
		return -1;
	}

	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);
1257
	u8 config_bands = 0;
1258

1259
	if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
A
Avinash Patil 已提交
1260
		return -1;
1261
	if (mwifiex_set_mgmt_ies(priv, &params->beacon))
1262
		return -1;
A
Avinash Patil 已提交
1263

1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279
	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;
	}

1280 1281 1282 1283 1284 1285 1286 1287 1288 1289
	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:
1290
		kfree(bss_cfg);
1291 1292 1293
		return -EINVAL;
	}

1294 1295
	bss_cfg->channel = ieee80211_frequency_to_channel(
				params->chandef.chan->center_freq);
1296

1297
	/* Set appropriate bands */
1298
	if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
A
Avinash Patil 已提交
1299 1300
		bss_cfg->band_cfg = BAND_CONFIG_BG;

1301 1302
		if (cfg80211_get_chandef_type(&params->chandef) ==
						NL80211_CHAN_NO_HT)
1303 1304 1305 1306
			config_bands = BAND_B | BAND_G;
		else
			config_bands = BAND_B | BAND_G | BAND_GN;
	} else {
A
Avinash Patil 已提交
1307 1308
		bss_cfg->band_cfg = BAND_CONFIG_A;

1309 1310
		if (cfg80211_get_chandef_type(&params->chandef) ==
						NL80211_CHAN_NO_HT)
1311 1312 1313
			config_bands = BAND_A;
		else
			config_bands = BAND_AN | BAND_A;
1314 1315
	}

1316 1317 1318 1319
	if (!((config_bands | priv->adapter->fw_bands) &
	      ~priv->adapter->fw_bands))
		priv->adapter->config_bands = config_bands;

A
Avinash Patil 已提交
1320
	mwifiex_set_uap_rates(bss_cfg, params);
1321 1322
	mwifiex_send_domain_info_cmd_fw(wiphy);

A
Avinash Patil 已提交
1323 1324 1325 1326 1327 1328
	if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
		kfree(bss_cfg);
		wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
		return -1;
	}

1329 1330
	mwifiex_set_ht_params(priv, bss_cfg, params);

1331 1332 1333 1334 1335 1336
	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;
	}

1337 1338 1339 1340 1341 1342 1343 1344
	if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
				  HostCmd_ACT_GEN_SET, 0, NULL)) {
		wiphy_err(wiphy, "Failed to stop the BSS\n");
		kfree(bss_cfg);
		return -1;
	}

	if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG,
1345 1346
				   HostCmd_ACT_GEN_SET,
				   UAP_BSS_PARAMS_I, bss_cfg)) {
1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359
		wiphy_err(wiphy, "Failed to set the SSID\n");
		kfree(bss_cfg);
		return -1;
	}

	kfree(bss_cfg);

	if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START,
				   HostCmd_ACT_GEN_SET, 0, NULL)) {
		wiphy_err(wiphy, "Failed to start the BSS\n");
		return -1;
	}

1360 1361 1362 1363 1364 1365 1366 1367 1368 1369
	if (priv->sec_info.wep_enabled)
		priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
	else
		priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;

	if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
				  HostCmd_ACT_GEN_SET, 0,
				  &priv->curr_pkt_filter))
		return -1;

1370 1371 1372
	return 0;
}

1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384
/*
 * 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);

1385
	if (mwifiex_deauthenticate(priv, NULL))
1386 1387 1388 1389 1390
		return -EFAULT;

	wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
		" reason code %d\n", priv->cfg_bssid, reason_code);

A
Amitkumar Karwar 已提交
1391
	memset(priv->cfg_bssid, 0, ETH_ALEN);
1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410

	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;
1411
	struct cfg80211_bss *bss;
1412
	int ie_len;
1413
	u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
1414
	enum ieee80211_band band;
1415

1416 1417
	if (mwifiex_get_bss_info(priv, &bss_info))
		return -1;
1418 1419 1420 1421 1422

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

	memcpy(&ie_buf[sizeof(struct ieee_types_header)],
1423
	       &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
1424 1425
	ie_len = ie_buf[1] + sizeof(struct ieee_types_header);

1426
	band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1427 1428
	chan = __ieee80211_get_channel(priv->wdev->wiphy,
			ieee80211_channel_to_frequency(bss_info.bss_chan,
1429
						       band));
1430

1431
	bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
1432 1433
				  bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
				  0, ie_buf, ie_len, 0, GFP_KERNEL);
1434
	cfg80211_put_bss(bss);
1435 1436
	memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);

1437
	return 0;
1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451
}

/*
 * 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,
1452
 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1453 1454 1455 1456 1457 1458
 */
static int
mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
		       u8 *bssid, int mode, struct ieee80211_channel *channel,
		       struct cfg80211_connect_params *sme, bool privacy)
{
1459
	struct cfg80211_ssid req_ssid;
1460
	int ret, auth_type = 0;
1461
	struct cfg80211_bss *bss = NULL;
1462
	u8 is_scanning_required = 0;
1463

1464
	memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478

	req_ssid.ssid_len = ssid_len;
	if (ssid_len > IEEE80211_MAX_SSID_LEN) {
		dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
		return -EINVAL;
	}

	memcpy(req_ssid.ssid, ssid, ssid_len);
	if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
		dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
		return -EINVAL;
	}

	/* disconnect before try to associate */
1479
	mwifiex_deauthenticate(priv, NULL);
1480

1481 1482 1483 1484 1485
	/* 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;
1486
	priv->sec_info.encryption_mode = 0;
1487
	priv->sec_info.is_authtype_auto = 0;
1488
	ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
1489

1490
	if (mode == NL80211_IFTYPE_ADHOC) {
1491 1492 1493
		/* "privacy" is set only for ad-hoc mode */
		if (privacy) {
			/*
1494
			 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1495 1496 1497 1498
			 * 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.
			 */
1499
			priv->sec_info.encryption_mode =
1500
					WLAN_CIPHER_SUITE_WEP104;
1501
			priv->sec_info.authentication_mode =
1502
					NL80211_AUTHTYPE_OPEN_SYSTEM;
1503 1504 1505 1506 1507 1508
		}

		goto done;
	}

	/* Now handle infra mode. "sme" is valid for infra mode only */
1509
	if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
1510
		auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1511 1512 1513 1514
		priv->sec_info.is_authtype_auto = 1;
	} else {
		auth_type = sme->auth_type;
	}
1515 1516

	if (sme->crypto.n_ciphers_pairwise) {
1517 1518
		priv->sec_info.encryption_mode =
						sme->crypto.ciphers_pairwise[0];
1519
		priv->sec_info.authentication_mode = auth_type;
1520 1521 1522
	}

	if (sme->crypto.cipher_group) {
1523
		priv->sec_info.encryption_mode = sme->crypto.cipher_group;
1524
		priv->sec_info.authentication_mode = auth_type;
1525 1526 1527 1528 1529
	}
	if (sme->ie)
		ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);

	if (sme->key) {
1530
		if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
1531 1532 1533
			dev_dbg(priv->adapter->dev,
				"info: setting wep encryption"
				" with key len %d\n", sme->key_len);
1534
			priv->wep_key_curr_index = sme->key_idx;
1535 1536 1537
			ret = mwifiex_set_encode(priv, NULL, sme->key,
						 sme->key_len, sme->key_idx,
						 NULL, 0);
1538 1539 1540
		}
	}
done:
1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553
	/*
	 * 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)) {
				dev_err(priv->adapter->dev, "scan error\n");
				return -EFAULT;
			}
		}
1554

1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568
		/* Find the BSS we want using available scan results */
		if (mode == NL80211_IFTYPE_ADHOC)
			bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
					       bssid, ssid, ssid_len,
					       WLAN_CAPABILITY_IBSS,
					       WLAN_CAPABILITY_IBSS);
		else
			bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
					       bssid, ssid, ssid_len,
					       WLAN_CAPABILITY_ESS,
					       WLAN_CAPABILITY_ESS);

		if (!bss) {
			if (is_scanning_required) {
1569 1570
				dev_warn(priv->adapter->dev,
					 "assoc: requested bss not found in scan results\n");
1571 1572 1573 1574
				break;
			}
			is_scanning_required = 1;
		} else {
1575 1576 1577
			dev_dbg(priv->adapter->dev,
				"info: trying to associate to '%s' bssid %pM\n",
				(char *) req_ssid.ssid, bss->bssid);
1578 1579 1580
			memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
			break;
		}
1581 1582
	}

1583 1584 1585
	ret = mwifiex_bss_start(priv, bss, &req_ssid);
	if (ret)
		return ret;
1586

1587
	if (mode == NL80211_IFTYPE_ADHOC) {
1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610
		/* 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);
	int ret = 0;

1611
	if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
1612 1613 1614 1615 1616
		wiphy_err(wiphy, "received infra assoc request "
				"when station is in ibss mode\n");
		goto done;
	}

1617 1618 1619 1620 1621
	if (priv->bss_mode == NL80211_IFTYPE_AP) {
		wiphy_err(wiphy, "skip association request for AP interface\n");
		goto done;
	}

1622
	wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
1623
		  (char *) sme->ssid, sme->bssid);
1624 1625

	ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
1626
				     priv->bss_mode, sme->channel, sme, 0);
1627
done:
A
Amitkumar Karwar 已提交
1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639
	if (!ret) {
		cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
					NULL, 0, WLAN_STATUS_SUCCESS,
					GFP_KERNEL);
		dev_dbg(priv->adapter->dev,
			"info: associated to bssid %pM successfully\n",
			priv->cfg_bssid);
	} else {
		dev_dbg(priv->adapter->dev,
			"info: association to bssid %pM failed\n",
			priv->cfg_bssid);
		memset(priv->cfg_bssid, 0, ETH_ALEN);
1640 1641 1642 1643 1644 1645 1646 1647 1648 1649

		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
1650 1651
	}

1652
	return 0;
1653 1654
}

1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669
/*
 * 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 wiphy *wiphy = priv->wdev->wiphy;
	struct mwifiex_adapter *adapter = priv->adapter;
	int index = 0, i;
	u8 config_bands = 0;

1670
	if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694
		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;
			}
		}

1695 1696
		if (cfg80211_get_chandef_type(&params->chandef) !=
						NL80211_CHAN_NO_HT)
1697 1698
			config_bands |= BAND_GN;
	} else {
1699
		if (cfg80211_get_chandef_type(&params->chandef) ==
1700
						NL80211_CHAN_NO_HT)
1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716
			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 =
1717 1718 1719 1720
		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);
1721 1722 1723 1724 1725 1726 1727

	wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n",
		  config_bands, priv->adhoc_channel, adapter->sec_chan_offset);

	return 0;
}

1728 1729 1730 1731 1732 1733 1734 1735 1736 1737
/*
 * 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)
{
1738
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1739 1740
	int ret = 0;

1741
	if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
1742 1743 1744 1745 1746 1747
		wiphy_err(wiphy, "request to join ibss received "
				"when station is not in ibss mode\n");
		goto done;
	}

	wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
1748
		  (char *) params->ssid, params->bssid);
1749

1750 1751
	mwifiex_set_ibss_params(priv, params);

1752
	ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
1753
				     params->bssid, priv->bss_mode,
1754 1755
				     params->chandef.chan, NULL,
				     params->privacy);
1756
done:
A
Amitkumar Karwar 已提交
1757 1758 1759 1760 1761 1762 1763 1764 1765 1766
	if (!ret) {
		cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
		dev_dbg(priv->adapter->dev,
			"info: joined/created adhoc network with bssid"
			" %pM successfully\n", priv->cfg_bssid);
	} else {
		dev_dbg(priv->adapter->dev,
			"info: failed creating/joining adhoc network\n");
	}

1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778
	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)
{
1779
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1780 1781

	wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
1782
		  priv->cfg_bssid);
1783
	if (mwifiex_deauthenticate(priv, NULL))
1784 1785
		return -EFAULT;

A
Amitkumar Karwar 已提交
1786
	memset(priv->cfg_bssid, 0, ETH_ALEN);
1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798

	return 0;
}

/*
 * CFG802.11 operation handler for scan request.
 *
 * This function issues a scan request to the firmware based upon
 * the user specified scan configuration. On successfull completion,
 * it also informs the results.
 */
static int
J
Johannes Berg 已提交
1799
mwifiex_cfg80211_scan(struct wiphy *wiphy,
1800 1801
		      struct cfg80211_scan_request *request)
{
J
Johannes Berg 已提交
1802
	struct net_device *dev = request->wdev->netdev;
1803
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1804
	int i, offset, ret;
A
Amitkumar Karwar 已提交
1805
	struct ieee80211_channel *chan;
1806
	struct ieee_types_header *ie;
1807 1808 1809

	wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);

1810 1811
	if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
	    atomic_read(&priv->wmm.tx_pkts_queued) >=
1812 1813 1814 1815 1816
	    MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) {
		dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n");
		return -EBUSY;
	}

1817 1818 1819 1820 1821
	if (priv->user_scan_cfg) {
		dev_err(priv->adapter->dev, "cmd: Scan already in process..\n");
		return -EBUSY;
	}

A
Amitkumar Karwar 已提交
1822
	priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
1823
				      GFP_KERNEL);
A
Amitkumar Karwar 已提交
1824 1825 1826 1827
	if (!priv->user_scan_cfg) {
		dev_err(priv->adapter->dev, "failed to alloc scan_req\n");
		return -ENOMEM;
	}
1828

B
Bing Zhao 已提交
1829 1830
	priv->scan_request = request;

1831 1832 1833
	priv->user_scan_cfg->num_ssids = request->n_ssids;
	priv->user_scan_cfg->ssid_list = request->ssids;

A
Avinash Patil 已提交
1834
	if (request->ie && request->ie_len) {
1835
		offset = 0;
A
Avinash Patil 已提交
1836 1837 1838 1839
		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;
1840 1841 1842 1843 1844 1845
			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
1846 1847 1848
		}
	}

A
Amitkumar Karwar 已提交
1849 1850 1851 1852 1853 1854 1855
	for (i = 0; i < request->n_channels; i++) {
		chan = request->channels[i];
		priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
		priv->user_scan_cfg->chan_list[i].radio_type = chan->band;

		if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
			priv->user_scan_cfg->chan_list[i].scan_type =
1856
						MWIFIEX_SCAN_TYPE_PASSIVE;
A
Amitkumar Karwar 已提交
1857 1858
		else
			priv->user_scan_cfg->chan_list[i].scan_type =
1859
						MWIFIEX_SCAN_TYPE_ACTIVE;
A
Amitkumar Karwar 已提交
1860 1861 1862

		priv->user_scan_cfg->chan_list[i].scan_time = 0;
	}
1863 1864 1865 1866

	ret = mwifiex_scan_networks(priv, priv->user_scan_cfg);
	if (ret) {
		dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
B
Bing Zhao 已提交
1867 1868 1869
		priv->scan_request = NULL;
		kfree(priv->user_scan_cfg);
		priv->user_scan_cfg = NULL;
1870 1871
		return ret;
	}
A
Amitkumar Karwar 已提交
1872

A
Avinash Patil 已提交
1873 1874 1875 1876 1877 1878 1879 1880 1881
	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);
			}
		}
	}
1882 1883 1884 1885 1886 1887 1888 1889 1890
	return 0;
}

/*
 * This function sets up the CFG802.11 specific HT capability fields
 * with default values.
 *
 * The following default values are set -
 *      - HT Supported = True
1891 1892 1893
 *      - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
 *      - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
 *      - HT Capabilities supported by firmware
1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906
 *      - 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;
1907 1908
	ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
	ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
1909 1910 1911

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

1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937
	/* 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;

	if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap))
		ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
	else
		ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT);

	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;

1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952
	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;

1953 1954 1955 1956
	ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
	ht_info->cap |= IEEE80211_HT_CAP_SM_PS;

	rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support);
1957 1958 1959 1960
	/* Set MCS for 1x1 */
	memset(mcs, 0xff, rx_mcs_supp);
	/* Clear all the other values */
	memset(&mcs[rx_mcs_supp], 0,
1961
	       sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
1962
	if (priv->bss_mode == NL80211_IFTYPE_STATION ||
1963
	    ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1964 1965 1966 1967 1968 1969 1970 1971
		/* 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;
}

1972 1973 1974
/*
 *  create a new virtual interface with the given name
 */
1975
struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
1976
					      const char *name,
1977 1978 1979
					      enum nl80211_iftype type,
					      u32 *flags,
					      struct vif_params *params)
1980
{
1981 1982
	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
	struct mwifiex_private *priv;
1983 1984
	struct net_device *dev;
	void *mdev_priv;
1985
	struct wireless_dev *wdev;
1986 1987

	if (!adapter)
1988
		return ERR_PTR(-EFAULT);
1989 1990 1991 1992 1993

	switch (type) {
	case NL80211_IFTYPE_UNSPECIFIED:
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_ADHOC:
1994
		priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
1995
		if (priv->bss_mode) {
1996 1997
			wiphy_err(wiphy,
				  "cannot create multiple sta/adhoc ifaces\n");
1998
			return ERR_PTR(-EINVAL);
1999 2000
		}

2001 2002
		wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
		if (!wdev)
2003
			return ERR_PTR(-ENOMEM);
2004 2005 2006 2007 2008

		wdev->wiphy = wiphy;
		priv->wdev = wdev;
		wdev->iftype = NL80211_IFTYPE_STATION;

2009 2010 2011 2012 2013 2014 2015
		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;
2016
		priv->bss_priority = 0;
2017 2018 2019
		priv->bss_role = MWIFIEX_BSS_ROLE_STA;
		priv->bss_num = 0;

2020 2021 2022 2023 2024 2025
		break;
	case NL80211_IFTYPE_AP:
		priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];

		if (priv->bss_mode) {
			wiphy_err(wiphy, "Can't create multiple AP interfaces");
2026
			return ERR_PTR(-EINVAL);
2027 2028 2029 2030
		}

		wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
		if (!wdev)
2031
			return ERR_PTR(-ENOMEM);
2032 2033 2034 2035 2036 2037 2038

		priv->wdev = wdev;
		wdev->wiphy = wiphy;
		wdev->iftype = NL80211_IFTYPE_AP;

		priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
		priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2039
		priv->bss_priority = 0;
2040 2041 2042 2043 2044
		priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
		priv->bss_started = 0;
		priv->bss_num = 0;
		priv->bss_mode = type;

S
Stone Piao 已提交
2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079
		break;
	case NL80211_IFTYPE_P2P_CLIENT:
		priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P];

		if (priv->bss_mode) {
			wiphy_err(wiphy, "Can't create multiple P2P ifaces");
			return ERR_PTR(-EINVAL);
		}

		wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
		if (!wdev)
			return ERR_PTR(-ENOMEM);

		priv->wdev = wdev;
		wdev->wiphy = wiphy;

		/* At start-up, wpa_supplicant tries to change the interface
		 * to NL80211_IFTYPE_STATION if it is not managed mode.
		 * So, we initialize it to STA mode.
		 */
		wdev->iftype = NL80211_IFTYPE_STATION;
		priv->bss_mode = NL80211_IFTYPE_STATION;

		/* 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;
		priv->bss_num = 0;

2080 2081 2082
		break;
	default:
		wiphy_err(wiphy, "type not supported\n");
2083
		return ERR_PTR(-EINVAL);
2084 2085
	}

A
Avinash Patil 已提交
2086 2087
	dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
			       ether_setup, IEEE80211_NUM_ACS, 1);
2088 2089
	if (!dev) {
		wiphy_err(wiphy, "no memory available for netdevice\n");
2090 2091
		priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
		return ERR_PTR(-ENOMEM);
2092 2093
	}

2094 2095 2096 2097 2098 2099 2100 2101 2102
	mwifiex_init_priv_params(priv, dev);
	priv->netdev = dev;

	mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);

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

2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121
	dev_net_set(dev, wiphy_net(wiphy));
	dev->ieee80211_ptr = priv->wdev;
	dev->ieee80211_ptr->iftype = priv->bss_mode;
	memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
	memcpy(dev->perm_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;

	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)) {
		wiphy_err(wiphy, "cannot register virtual network device\n");
2122 2123 2124
		free_netdev(dev);
		priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
		return ERR_PTR(-EFAULT);
2125 2126 2127 2128 2129 2130 2131 2132 2133
	}

	sema_init(&priv->async_sem, 1);

	dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);

#ifdef CONFIG_DEBUG_FS
	mwifiex_dev_debugfs_init(priv);
#endif
2134
	return wdev;
2135 2136 2137 2138 2139 2140
}
EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);

/*
 * del_virtual_intf: remove the virtual interface determined by dev
 */
2141
int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
2142
{
2143
	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
2144 2145 2146 2147 2148

#ifdef CONFIG_DEBUG_FS
	mwifiex_dev_debugfs_remove(priv);
#endif

A
Avinash Patil 已提交
2149
	mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
2150 2151 2152 2153

	if (netif_carrier_ok(priv->netdev))
		netif_carrier_off(priv->netdev);

2154 2155
	if (wdev->netdev->reg_state == NETREG_REGISTERED)
		unregister_netdevice(wdev->netdev);
2156

2157 2158
	if (wdev->netdev->reg_state == NETREG_UNREGISTERED)
		free_netdev(wdev->netdev);
2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170

	/* Clear the priv in adapter */
	priv->netdev = NULL;

	priv->media_connected = false;

	priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;

	return 0;
}
EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);

2171 2172
/* station cfg80211 operations */
static struct cfg80211_ops mwifiex_cfg80211_ops = {
2173 2174
	.add_virtual_intf = mwifiex_add_virtual_intf,
	.del_virtual_intf = mwifiex_del_virtual_intf,
2175 2176 2177 2178 2179
	.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,
2180
	.dump_station = mwifiex_cfg80211_dump_station,
2181 2182 2183 2184 2185
	.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,
2186
	.mgmt_tx = mwifiex_cfg80211_mgmt_tx,
2187
	.mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
2188 2189
	.remain_on_channel = mwifiex_cfg80211_remain_on_channel,
	.cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
2190 2191 2192
	.set_default_key = mwifiex_cfg80211_set_default_key,
	.set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
	.set_tx_power = mwifiex_cfg80211_set_tx_power,
2193
	.set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
2194 2195
	.start_ap = mwifiex_cfg80211_start_ap,
	.stop_ap = mwifiex_cfg80211_stop_ap,
2196
	.change_beacon = mwifiex_cfg80211_change_beacon,
2197
	.set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
2198
	.set_antenna = mwifiex_cfg80211_set_antenna,
2199 2200 2201 2202 2203 2204 2205 2206 2207
};

/*
 * 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.
 */
2208 2209

int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
2210
{
2211 2212
	int ret;
	void *wdev_priv;
2213 2214
	struct wiphy *wiphy;
	struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
2215
	u8 *country_code;
2216

2217 2218 2219 2220 2221
	/* create a new wiphy for use with cfg80211 */
	wiphy = wiphy_new(&mwifiex_cfg80211_ops,
			  sizeof(struct mwifiex_adapter *));
	if (!wiphy) {
		dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
2222 2223
		return -ENOMEM;
	}
2224 2225
	wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
	wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
2226
	wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
2227
	wiphy->max_remain_on_channel_duration = 5000;
2228 2229
	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
				 BIT(NL80211_IFTYPE_ADHOC) |
S
Stone Piao 已提交
2230 2231
				 BIT(NL80211_IFTYPE_P2P_CLIENT) |
				 BIT(NL80211_IFTYPE_P2P_GO) |
2232 2233 2234 2235 2236 2237 2238
				 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;
2239

2240 2241 2242
	wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
	wiphy->n_iface_combinations = 1;

2243
	/* Initialize cipher suits */
2244 2245
	wiphy->cipher_suites = mwifiex_cipher_suites;
	wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
2246

2247 2248
	memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
	wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2249
	wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
2250
			WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2251 2252
			WIPHY_FLAG_CUSTOM_REGULATORY |
			WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2253 2254

	wiphy_apply_custom_regulatory(wiphy, &mwifiex_world_regdom_custom);
2255 2256

	wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2257 2258
				    NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
				    NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2259

2260 2261
	wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
	wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
2262

2263
	wiphy->features |= NL80211_FEATURE_HT_IBSS |
2264 2265
			   NL80211_FEATURE_INACTIVITY_TIMER |
			   NL80211_FEATURE_LOW_PRIORITY_SCAN;
2266

2267
	/* Reserve space for mwifiex specific private data for BSS */
2268
	wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
2269

2270
	wiphy->reg_notifier = mwifiex_reg_notifier;
2271

2272
	/* Set struct mwifiex_adapter pointer in wiphy_priv */
2273
	wdev_priv = wiphy_priv(wiphy);
2274
	*(unsigned long *)wdev_priv = (unsigned long)adapter;
2275

2276
	set_wiphy_dev(wiphy, priv->adapter->dev);
2277

2278
	ret = wiphy_register(wiphy);
2279
	if (ret < 0) {
2280 2281 2282
		dev_err(adapter->dev,
			"%s: wiphy_register failed: %d\n", __func__, ret);
		wiphy_free(wiphy);
2283 2284
		return ret;
	}
2285
	country_code = mwifiex_11d_code_2_region(priv->adapter->region_code);
2286 2287 2288
	if (country_code)
		dev_info(adapter->dev,
			 "ignoring F/W country code %2.2s\n", country_code);
2289

2290
	adapter->wiphy = wiphy;
2291 2292
	return ret;
}