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path: root/drivers/net/wireless/mwifiex/cfg80211.c
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-rw-r--r--drivers/net/wireless/mwifiex/cfg80211.c1417
1 files changed, 1417 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
new file mode 100644
index 000000000000..660831ce293c
--- /dev/null
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -0,0 +1,1417 @@
+/*
+ * 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"
+
+/*
+ * This function maps the nl802.11 channel type into driver channel type.
+ *
+ * The mapping is as follows -
+ * NL80211_CHAN_NO_HT -> NO_SEC_CHANNEL
+ * NL80211_CHAN_HT20 -> NO_SEC_CHANNEL
+ * NL80211_CHAN_HT40PLUS -> SEC_CHANNEL_ABOVE
+ * NL80211_CHAN_HT40MINUS -> SEC_CHANNEL_BELOW
+ * Others -> NO_SEC_CHANNEL
+ */
+static int
+mwifiex_cfg80211_channel_type_to_mwifiex_channels(enum nl80211_channel_type
+ channel_type)
+{
+ switch (channel_type) {
+ case NL80211_CHAN_NO_HT:
+ case NL80211_CHAN_HT20:
+ return NO_SEC_CHANNEL;
+ case NL80211_CHAN_HT40PLUS:
+ return SEC_CHANNEL_ABOVE;
+ case NL80211_CHAN_HT40MINUS:
+ return SEC_CHANNEL_BELOW;
+ default:
+ return NO_SEC_CHANNEL;
+ }
+}
+
+/*
+ * This function maps the driver channel type into nl802.11 channel type.
+ *
+ * The mapping is as follows -
+ * NO_SEC_CHANNEL -> NL80211_CHAN_HT20
+ * SEC_CHANNEL_ABOVE -> NL80211_CHAN_HT40PLUS
+ * SEC_CHANNEL_BELOW -> NL80211_CHAN_HT40MINUS
+ * Others -> NL80211_CHAN_HT20
+ */
+static enum nl80211_channel_type
+mwifiex_channels_to_cfg80211_channel_type(int channel_type)
+{
+ switch (channel_type) {
+ case NO_SEC_CHANNEL:
+ return NL80211_CHAN_HT20;
+ case SEC_CHANNEL_ABOVE:
+ return NL80211_CHAN_HT40PLUS;
+ case SEC_CHANNEL_BELOW:
+ return NL80211_CHAN_HT40MINUS;
+ default:
+ return NL80211_CHAN_HT20;
+ }
+}
+
+/*
+ * This function checks whether WEP is set.
+ */
+static int
+mwifiex_is_alg_wep(u32 cipher)
+{
+ switch (cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ return 1;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+/*
+ * This function retrieves the private structure from kernel wiphy structure.
+ */
+static void *mwifiex_cfg80211_get_priv(struct wiphy *wiphy)
+{
+ 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)
+{
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+
+ if (mwifiex_set_encode(priv, NULL, 0, key_index, 1)) {
+ wiphy_err(wiphy, "deleting the crypto keys\n");
+ return -EFAULT;
+ }
+
+ wiphy_dbg(wiphy, "info: crypto keys deleted\n");
+ return 0;
+}
+
+/*
+ * CFG802.11 operation handler to set Tx power.
+ */
+static int
+mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
+ enum nl80211_tx_power_setting type,
+ int dbm)
+{
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+ struct mwifiex_power_cfg power_cfg;
+
+ if (type == NL80211_TX_POWER_FIXED) {
+ power_cfg.is_power_auto = 0;
+ power_cfg.power_level = dbm;
+ } else {
+ power_cfg.is_power_auto = 1;
+ }
+
+ return mwifiex_set_tx_power(priv, &power_cfg);
+}
+
+/*
+ * 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)
+{
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+ u32 ps_mode;
+
+ if (timeout)
+ wiphy_dbg(wiphy,
+ "info: ignoring the timeout value"
+ " for IEEE power save\n");
+
+ ps_mode = enabled;
+
+ return mwifiex_drv_set_power(priv, &ps_mode);
+}
+
+/*
+ * 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)
+{
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+
+ /* Return if WEP key not configured */
+ if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_DISABLED)
+ return 0;
+
+ if (mwifiex_set_encode(priv, NULL, 0, key_index, 0)) {
+ wiphy_err(wiphy, "set default Tx key index\n");
+ return -EFAULT;
+ }
+
+ 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)
+{
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+
+ if (mwifiex_set_encode(priv, params->key, params->key_len,
+ key_index, 0)) {
+ wiphy_err(wiphy, "crypto keys added\n");
+ return -EFAULT;
+ }
+
+ 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;
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+ struct mwifiex_adapter *adapter = priv->adapter;
+ struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
+
+ /* Set country code */
+ domain_info->country_code[0] = priv->country_code[0];
+ domain_info->country_code[1] = priv->country_code[1];
+ 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;
+ max_pwr = ch->max_power;
+ no_of_parsed_chan = 1;
+ continue;
+ }
+
+ if (ch->hw_value == next_chan + 1 &&
+ ch->max_power == max_pwr) {
+ 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;
+ max_pwr = ch->max_power;
+ 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;
+
+ if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
+ HostCmd_ACT_GEN_SET, 0, NULL)) {
+ wiphy_err(wiphy, "11D: setting domain info in FW\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
+ * 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,
+ struct regulatory_request *request)
+{
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+
+ wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for domain"
+ " %c%c\n", request->alpha2[0], request->alpha2[1]);
+
+ memcpy(priv->country_code, request->alpha2, sizeof(request->alpha2));
+
+ 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 RF channel.
+ *
+ * This function creates multiple IOCTL requests, populates them accordingly
+ * and issues them to set the band/channel and frequency.
+ */
+static int
+mwifiex_set_rf_channel(struct mwifiex_private *priv,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type)
+{
+ struct mwifiex_chan_freq_power cfp;
+ struct mwifiex_ds_band_cfg band_cfg;
+ u32 config_bands = 0;
+ struct wiphy *wiphy = priv->wdev->wiphy;
+
+ if (chan) {
+ memset(&band_cfg, 0, sizeof(band_cfg));
+ /* Set appropriate bands */
+ if (chan->band == IEEE80211_BAND_2GHZ)
+ config_bands = BAND_B | BAND_G | BAND_GN;
+ else
+ config_bands = BAND_AN | BAND_A;
+ if (priv->bss_mode == NL80211_IFTYPE_STATION
+ || priv->bss_mode == NL80211_IFTYPE_UNSPECIFIED) {
+ band_cfg.config_bands = config_bands;
+ } else if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
+ band_cfg.config_bands = config_bands;
+ band_cfg.adhoc_start_band = config_bands;
+ }
+
+ band_cfg.sec_chan_offset =
+ mwifiex_cfg80211_channel_type_to_mwifiex_channels
+ (channel_type);
+
+ if (mwifiex_set_radio_band_cfg(priv, &band_cfg))
+ return -EFAULT;
+
+ mwifiex_send_domain_info_cmd_fw(wiphy);
+ }
+
+ wiphy_dbg(wiphy, "info: setting band %d, channel offset %d and "
+ "mode %d\n", config_bands, band_cfg.sec_chan_offset,
+ priv->bss_mode);
+ if (!chan)
+ return 0;
+
+ memset(&cfp, 0, sizeof(cfp));
+ cfp.freq = chan->center_freq;
+ cfp.channel = ieee80211_frequency_to_channel(chan->center_freq);
+
+ if (mwifiex_bss_set_channel(priv, &cfp))
+ return -EFAULT;
+
+ return mwifiex_drv_change_adhoc_chan(priv, cfp.channel);
+}
+
+/*
+ * CFG802.11 operation handler to set channel.
+ *
+ * This function can only be used when station is not connected.
+ */
+static int
+mwifiex_cfg80211_set_channel(struct wiphy *wiphy, struct net_device *dev,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type)
+{
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+
+ if (priv->media_connected) {
+ wiphy_err(wiphy, "This setting is valid only when station "
+ "is not connected\n");
+ return -EINVAL;
+ }
+
+ return mwifiex_set_rf_channel(priv, chan, channel_type);
+}
+
+/*
+ * This function sets the fragmentation threshold.
+ *
+ * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
+ * and MWIFIEX_FRAG_MAX_VALUE.
+ */
+static int
+mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
+{
+ int ret;
+
+ if (frag_thr < MWIFIEX_FRAG_MIN_VALUE
+ || frag_thr > MWIFIEX_FRAG_MAX_VALUE)
+ return -EINVAL;
+
+ /* Send request to firmware */
+ ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
+ HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
+ &frag_thr);
+
+ return ret;
+}
+
+/*
+ * This function sets the RTS threshold.
+
+ * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
+ * and MWIFIEX_RTS_MAX_VALUE.
+ */
+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;
+
+ return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
+ HostCmd_ACT_GEN_SET, RTS_THRESH_I,
+ &rts_thr);
+}
+
+/*
+ * 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)
+{
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+ int ret = 0;
+
+ 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);
+
+ return ret;
+}
+
+/*
+ * 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)
+{
+ int ret;
+ struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
+
+ if (priv->bss_mode == type) {
+ wiphy_warn(wiphy, "already set to required type\n");
+ return 0;
+ }
+
+ priv->bss_mode = type;
+
+ switch (type) {
+ case NL80211_IFTYPE_ADHOC:
+ dev->ieee80211_ptr->iftype = NL80211_IFTYPE_ADHOC;
+ wiphy_dbg(wiphy, "info: setting interface type to adhoc\n");
+ break;
+ case NL80211_IFTYPE_STATION:
+ dev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION;
+ wiphy_dbg(wiphy, "info: setting interface type to managed\n");
+ break;
+ case NL80211_IFTYPE_UNSPECIFIED:
+ dev->ieee80211_ptr->iftype = NL80211_IFTYPE_STATION;
+ wiphy_dbg(wiphy, "info: setting interface type to auto\n");
+ return 0;
+ default:
+ wiphy_err(wiphy, "unknown interface type: %d\n", type);
+ return -EINVAL;
+ }
+
+ mwifiex_deauthenticate(priv, NULL);
+
+ priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
+
+ ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
+ HostCmd_ACT_GEN_SET, 0, NULL);
+
+ 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)
+{
+ struct mwifiex_ds_get_signal signal;
+ struct mwifiex_rate_cfg rate;
+ int ret = 0;
+
+ sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
+ STATION_INFO_RX_PACKETS |
+ STATION_INFO_TX_PACKETS
+ | STATION_INFO_SIGNAL | STATION_INFO_TX_BITRATE;
+
+ /* Get signal information from the firmware */
+ memset(&signal, 0, sizeof(struct mwifiex_ds_get_signal));
+ if (mwifiex_get_signal_info(priv, &signal)) {
+ dev_err(priv->adapter->dev, "getting signal information\n");
+ ret = -EFAULT;
+ }
+
+ if (mwifiex_drv_get_data_rate(priv, &rate)) {
+ dev_err(priv->adapter->dev, "getting data rate\n");
+ ret = -EFAULT;
+ }
+
+ 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;
+ sinfo->signal = priv->w_stats.qual.level;
+ sinfo->txrate.legacy = rate.rate;
+
+ return ret;
+}
+
+/*
+ * 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);
+
+ mwifiex_dump_station_info(priv, sinfo);
+
+ if (!priv->media_connected)
+ return -ENOENT;
+ if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
+ return -ENOENT;
+
+ return mwifiex_dump_station_info(priv, sinfo);
+}
+
+/* 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 = 220, .hw_value = 44, },
+ {.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, },
+ {.bitrate = 720, .hw_value = 144, },
+};
+
+/* 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,
+ .n_bitrates = 14,
+};
+
+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),
+ .bitrates = mwifiex_rates - 4,
+ .n_bitrates = ARRAY_SIZE(mwifiex_rates) + 4,
+};
+
+
+/* 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,
+};
+
+/*
+ * 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);
+
+ if (priv->disconnect)
+ return -EBUSY;
+
+ priv->disconnect = 1;
+ if (mwifiex_deauthenticate(priv, NULL))
+ return -EFAULT;
+
+ wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
+ " reason code %d\n", priv->cfg_bssid, reason_code);
+
+ queue_work(priv->workqueue, &priv->cfg_workqueue);
+
+ 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;
+ int ie_len;
+ u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
+
+ if (mwifiex_get_bss_info(priv, &bss_info))
+ return -1;
+
+ ie_buf[0] = WLAN_EID_SSID;
+ ie_buf[1] = bss_info.ssid.ssid_len;
+
+ memcpy(&ie_buf[sizeof(struct ieee_types_header)],
+ &bss_info.ssid.ssid,
+ bss_info.ssid.ssid_len);
+ ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
+
+ chan = __ieee80211_get_channel(priv->wdev->wiphy,
+ ieee80211_channel_to_frequency(bss_info.bss_chan,
+ priv->curr_bss_params.band));
+
+ cfg80211_inform_bss(priv->wdev->wiphy, chan,
+ bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
+ 0, ie_buf, ie_len, 0, GFP_KERNEL);
+ memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
+
+ return 0;
+}
+
+/*
+ * This function informs the CFG802.11 subsystem of a new BSS connection.
+ *
+ * The following information are sent to the CFG802.11 subsystem
+ * to register the new BSS connection. If we do not register the new BSS,
+ * a kernel panic will result.
+ * - MAC address
+ * - Capabilities
+ * - Beacon period
+ * - RSSI value
+ * - Channel
+ * - Supported rates IE
+ * - Extended capabilities IE
+ * - DS parameter set IE
+ * - HT Capability IE
+ * - Vendor Specific IE (221)
+ * - WPA IE
+ * - RSN IE
+ */
+static int mwifiex_inform_bss_from_scan_result(struct mwifiex_private *priv,
+ struct mwifiex_802_11_ssid *ssid)
+{
+ struct mwifiex_bssdescriptor *scan_table;
+ int i, j;
+ struct ieee80211_channel *chan;
+ u8 *ie, *ie_buf;
+ u32 ie_len;
+ u8 *beacon;
+ int beacon_size;
+ u8 element_id, element_len;
+
+#define MAX_IE_BUF 2048
+ ie_buf = kzalloc(MAX_IE_BUF, GFP_KERNEL);
+ if (!ie_buf) {
+ dev_err(priv->adapter->dev, "%s: failed to alloc ie_buf\n",
+ __func__);
+ return -ENOMEM;
+ }
+
+ scan_table = priv->adapter->scan_table;
+ for (i = 0; i < priv->adapter->num_in_scan_table; i++) {
+ if (ssid) {
+ /* Inform specific BSS only */
+ if (memcmp(ssid->ssid, scan_table[i].ssid.ssid,
+ ssid->ssid_len))
+ continue;
+ }
+ memset(ie_buf, 0, MAX_IE_BUF);
+ ie_buf[0] = WLAN_EID_SSID;
+ ie_buf[1] = scan_table[i].ssid.ssid_len;
+ memcpy(&ie_buf[sizeof(struct ieee_types_header)],
+ scan_table[i].ssid.ssid, ie_buf[1]);
+
+ ie = ie_buf + ie_buf[1] + sizeof(struct ieee_types_header);
+ ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
+
+ ie[0] = WLAN_EID_SUPP_RATES;
+
+ for (j = 0; j < sizeof(scan_table[i].supported_rates); j++) {
+ if (!scan_table[i].supported_rates[j])
+ break;
+ else
+ ie[j + sizeof(struct ieee_types_header)] =
+ scan_table[i].supported_rates[j];
+ }
+
+ ie[1] = j;
+ ie_len += ie[1] + sizeof(struct ieee_types_header);
+
+ beacon = scan_table[i].beacon_buf;
+ beacon_size = scan_table[i].beacon_buf_size;
+
+ /* Skip time stamp, beacon interval and capability */
+
+ if (beacon) {
+ beacon += sizeof(scan_table[i].beacon_period)
+ + sizeof(scan_table[i].time_stamp) +
+ +sizeof(scan_table[i].cap_info_bitmap);
+
+ beacon_size -= sizeof(scan_table[i].beacon_period)
+ + sizeof(scan_table[i].time_stamp)
+ + sizeof(scan_table[i].cap_info_bitmap);
+ }
+
+ while (beacon_size >= sizeof(struct ieee_types_header)) {
+ ie = ie_buf + ie_len;
+ element_id = *beacon;
+ element_len = *(beacon + 1);
+ if (beacon_size < (int) element_len +
+ sizeof(struct ieee_types_header)) {
+ dev_err(priv->adapter->dev, "%s: in processing"
+ " IE, bytes left < IE length\n",
+ __func__);
+ break;
+ }
+ switch (element_id) {
+ case WLAN_EID_EXT_CAPABILITY:
+ case WLAN_EID_DS_PARAMS:
+ case WLAN_EID_HT_CAPABILITY:
+ case WLAN_EID_VENDOR_SPECIFIC:
+ case WLAN_EID_RSN:
+ case WLAN_EID_BSS_AC_ACCESS_DELAY:
+ ie[0] = element_id;
+ ie[1] = element_len;
+ memcpy(&ie[sizeof(struct ieee_types_header)],
+ (u8 *) beacon
+ + sizeof(struct ieee_types_header),
+ element_len);
+ ie_len += ie[1] +
+ sizeof(struct ieee_types_header);
+ break;
+ default:
+ break;
+ }
+ beacon += element_len +
+ sizeof(struct ieee_types_header);
+ beacon_size -= element_len +
+ sizeof(struct ieee_types_header);
+ }
+ chan = ieee80211_get_channel(priv->wdev->wiphy,
+ scan_table[i].freq);
+ cfg80211_inform_bss(priv->wdev->wiphy, chan,
+ scan_table[i].mac_address,
+ 0, scan_table[i].cap_info_bitmap,
+ scan_table[i].beacon_period,
+ ie_buf, ie_len,
+ scan_table[i].rssi, GFP_KERNEL);
+ }
+
+ kfree(ie_buf);
+ return 0;
+}
+
+/*
+ * 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,
+ * the function notifies the CFG802.11 subsystem of the new BSS connection,
+ * otherwise the kernel will panic.
+ */
+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)
+{
+ struct mwifiex_802_11_ssid req_ssid;
+ struct mwifiex_ssid_bssid ssid_bssid;
+ int ret, auth_type = 0;
+
+ memset(&req_ssid, 0, sizeof(struct mwifiex_802_11_ssid));
+ memset(&ssid_bssid, 0, sizeof(struct mwifiex_ssid_bssid));
+
+ 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 */
+ mwifiex_deauthenticate(priv, NULL);
+
+ if (channel)
+ ret = mwifiex_set_rf_channel(priv, channel,
+ mwifiex_channels_to_cfg80211_channel_type
+ (priv->adapter->chan_offset));
+
+ ret = mwifiex_set_encode(priv, NULL, 0, 0, 1); /* Disable keys */
+
+ if (mode == NL80211_IFTYPE_ADHOC) {
+ /* "privacy" is set only for ad-hoc mode */
+ if (privacy) {
+ /*
+ * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
+ * 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.
+ */
+ priv->sec_info.encryption_mode =
+ WLAN_CIPHER_SUITE_WEP104;
+ priv->sec_info.authentication_mode =
+ NL80211_AUTHTYPE_OPEN_SYSTEM;
+ }
+
+ goto done;
+ }
+
+ /* Now handle infra mode. "sme" is valid for infra mode only */
+ if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC
+ || sme->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM)
+ auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
+ else if (sme->auth_type == NL80211_AUTHTYPE_SHARED_KEY)
+ auth_type = NL80211_AUTHTYPE_SHARED_KEY;
+
+ if (sme->crypto.n_ciphers_pairwise) {
+ priv->sec_info.encryption_mode =
+ sme->crypto.ciphers_pairwise[0];
+ priv->sec_info.authentication_mode = auth_type;
+ }
+
+ if (sme->crypto.cipher_group) {
+ priv->sec_info.encryption_mode = sme->crypto.cipher_group;
+ priv->sec_info.authentication_mode = auth_type;
+ }
+ if (sme->ie)
+ ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
+
+ if (sme->key) {
+ if (mwifiex_is_alg_wep(0) | mwifiex_is_alg_wep(0)) {
+ dev_dbg(priv->adapter->dev,
+ "info: setting wep encryption"
+ " with key len %d\n", sme->key_len);
+ ret = mwifiex_set_encode(priv, sme->key, sme->key_len,
+ sme->key_idx, 0);
+ }
+ }
+done:
+ /* Do specific SSID scanning */
+ if (mwifiex_request_scan(priv, &req_ssid)) {
+ dev_err(priv->adapter->dev, "scan error\n");
+ return -EFAULT;
+ }
+
+
+ memcpy(&ssid_bssid.ssid, &req_ssid, sizeof(struct mwifiex_802_11_ssid));
+
+ if (mode != NL80211_IFTYPE_ADHOC) {
+ if (mwifiex_find_best_bss(priv, &ssid_bssid))
+ return -EFAULT;
+ /* Inform the BSS information to kernel, otherwise
+ * kernel will give a panic after successful assoc */
+ if (mwifiex_inform_bss_from_scan_result(priv, &req_ssid))
+ return -EFAULT;
+ }
+
+ dev_dbg(priv->adapter->dev, "info: trying to associate to %s and bssid %pM\n",
+ (char *) req_ssid.ssid, ssid_bssid.bssid);
+
+ memcpy(&priv->cfg_bssid, ssid_bssid.bssid, 6);
+
+ /* Connect to BSS by ESSID */
+ memset(&ssid_bssid.bssid, 0, ETH_ALEN);
+
+ if (!netif_queue_stopped(priv->netdev))
+ netif_stop_queue(priv->netdev);
+
+ if (mwifiex_bss_start(priv, &ssid_bssid))
+ return -EFAULT;
+
+ if (mode == NL80211_IFTYPE_ADHOC) {
+ /* 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;
+
+ if (priv->assoc_request)
+ return -EBUSY;
+
+ if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
+ wiphy_err(wiphy, "received infra assoc request "
+ "when station is in ibss mode\n");
+ goto done;
+ }
+
+ priv->assoc_request = -EINPROGRESS;
+
+ wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
+ (char *) sme->ssid, sme->bssid);
+
+ ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
+ priv->bss_mode, sme->channel, sme, 0);
+
+ priv->assoc_request = 1;
+done:
+ priv->assoc_result = ret;
+ queue_work(priv->workqueue, &priv->cfg_workqueue);
+ return ret;
+}
+
+/*
+ * 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)
+{
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+ int ret = 0;
+
+ if (priv->ibss_join_request)
+ return -EBUSY;
+
+ if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
+ wiphy_err(wiphy, "request to join ibss received "
+ "when station is not in ibss mode\n");
+ goto done;
+ }
+
+ priv->ibss_join_request = -EINPROGRESS;
+
+ wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
+ (char *) params->ssid, params->bssid);
+
+ ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
+ params->bssid, priv->bss_mode,
+ params->channel, NULL, params->privacy);
+
+ priv->ibss_join_request = 1;
+done:
+ priv->ibss_join_result = ret;
+ queue_work(priv->workqueue, &priv->cfg_workqueue);
+ 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)
+{
+ struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
+
+ if (priv->disconnect)
+ return -EBUSY;
+
+ priv->disconnect = 1;
+
+ wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
+ priv->cfg_bssid);
+ if (mwifiex_deauthenticate(priv, NULL))
+ return -EFAULT;
+
+ queue_work(priv->workqueue, &priv->cfg_workqueue);
+
+ 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
+mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_scan_request *request)
+{
+ struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
+
+ wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
+
+ if (priv->scan_request && priv->scan_request != request)
+ return -EBUSY;
+
+ priv->scan_request = request;
+
+ queue_work(priv->workqueue, &priv->cfg_workqueue);
+ 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
+ * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
+ * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
+ * - HT Capabilities supported by firmware
+ * - 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;
+ ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
+ ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
+
+ memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
+
+ /* 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;
+
+ 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);
+ /* Set MCS for 1x1 */
+ memset(mcs, 0xff, rx_mcs_supp);
+ /* Clear all the other values */
+ memset(&mcs[rx_mcs_supp], 0,
+ sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
+ if (priv->bss_mode == NL80211_IFTYPE_STATION ||
+ ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
+ /* 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;
+}
+
+/* station cfg80211 operations */
+static struct cfg80211_ops mwifiex_cfg80211_ops = {
+ .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,
+ .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
+ .set_channel = mwifiex_cfg80211_set_channel,
+ .join_ibss = mwifiex_cfg80211_join_ibss,
+ .leave_ibss = mwifiex_cfg80211_leave_ibss,
+ .add_key = mwifiex_cfg80211_add_key,
+ .del_key = mwifiex_cfg80211_del_key,
+ .set_default_key = mwifiex_cfg80211_set_default_key,
+ .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
+ .set_tx_power = mwifiex_cfg80211_set_tx_power,
+};
+
+/*
+ * 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.
+ */
+int mwifiex_register_cfg80211(struct net_device *dev, u8 *mac,
+ struct mwifiex_private *priv)
+{
+ int ret;
+ void *wdev_priv;
+ struct wireless_dev *wdev;
+
+ wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
+ if (!wdev) {
+ dev_err(priv->adapter->dev, "%s: allocating wireless device\n",
+ __func__);
+ return -ENOMEM;
+ }
+ wdev->wiphy =
+ wiphy_new(&mwifiex_cfg80211_ops,
+ sizeof(struct mwifiex_private *));
+ if (!wdev->wiphy) {
+ kfree(wdev);
+ return -ENOMEM;
+ }
+ wdev->iftype = NL80211_IFTYPE_STATION;
+ wdev->wiphy->max_scan_ssids = 10;
+ wdev->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);
+
+ wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
+ mwifiex_setup_ht_caps(
+ &wdev->wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
+
+ if (priv->adapter->config_bands & BAND_A) {
+ wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
+ mwifiex_setup_ht_caps(
+ &wdev->wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
+ } else {
+ wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
+ }
+
+ /* Initialize cipher suits */
+ wdev->wiphy->cipher_suites = mwifiex_cipher_suites;
+ wdev->wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
+
+ memcpy(wdev->wiphy->perm_addr, mac, 6);
+ wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
+
+ /* We are using custom domains */
+ wdev->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
+
+ wdev->wiphy->reg_notifier = mwifiex_reg_notifier;
+
+ /* Set struct mwifiex_private pointer in wiphy_priv */
+ wdev_priv = wiphy_priv(wdev->wiphy);
+
+ *(unsigned long *) wdev_priv = (unsigned long) priv;
+
+ ret = wiphy_register(wdev->wiphy);
+ if (ret < 0) {
+ dev_err(priv->adapter->dev, "%s: registering cfg80211 device\n",
+ __func__);
+ wiphy_free(wdev->wiphy);
+ kfree(wdev);
+ return ret;
+ } else {
+ dev_dbg(priv->adapter->dev,
+ "info: successfully registered wiphy device\n");
+ }
+
+ dev_net_set(dev, wiphy_net(wdev->wiphy));
+ dev->ieee80211_ptr = wdev;
+ memcpy(dev->dev_addr, wdev->wiphy->perm_addr, 6);
+ memcpy(dev->perm_addr, wdev->wiphy->perm_addr, 6);
+ SET_NETDEV_DEV(dev, wiphy_dev(wdev->wiphy));
+ priv->wdev = wdev;
+
+ dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
+ dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
+ dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
+
+ return ret;
+}
+
+/*
+ * This function handles the result of different pending network operations.
+ *
+ * The following operations are handled and CFG802.11 subsystem is
+ * notified accordingly -
+ * - Scan request completion
+ * - Association request completion
+ * - IBSS join request completion
+ * - Disconnect request completion
+ */
+void
+mwifiex_cfg80211_results(struct work_struct *work)
+{
+ struct mwifiex_private *priv =
+ container_of(work, struct mwifiex_private, cfg_workqueue);
+ struct mwifiex_user_scan_cfg *scan_req;
+ int ret = 0, i;
+ struct ieee80211_channel *chan;
+
+ if (priv->scan_request) {
+ scan_req = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
+ GFP_KERNEL);
+ if (!scan_req) {
+ dev_err(priv->adapter->dev, "failed to alloc "
+ "scan_req\n");
+ return;
+ }
+ for (i = 0; i < priv->scan_request->n_ssids; i++) {
+ memcpy(scan_req->ssid_list[i].ssid,
+ priv->scan_request->ssids[i].ssid,
+ priv->scan_request->ssids[i].ssid_len);
+ scan_req->ssid_list[i].max_len =
+ priv->scan_request->ssids[i].ssid_len;
+ }
+ for (i = 0; i < priv->scan_request->n_channels; i++) {
+ chan = priv->scan_request->channels[i];
+ scan_req->chan_list[i].chan_number = chan->hw_value;
+ scan_req->chan_list[i].radio_type = chan->band;
+ if (chan->flags & IEEE80211_CHAN_DISABLED)
+ scan_req->chan_list[i].scan_type =
+ MWIFIEX_SCAN_TYPE_PASSIVE;
+ else
+ scan_req->chan_list[i].scan_type =
+ MWIFIEX_SCAN_TYPE_ACTIVE;
+ scan_req->chan_list[i].scan_time = 0;
+ }
+ if (mwifiex_set_user_scan_ioctl(priv, scan_req)) {
+ ret = -EFAULT;
+ goto done;
+ }
+ if (mwifiex_inform_bss_from_scan_result(priv, NULL))
+ ret = -EFAULT;
+done:
+ priv->scan_result_status = ret;
+ dev_dbg(priv->adapter->dev, "info: %s: sending scan results\n",
+ __func__);
+ cfg80211_scan_done(priv->scan_request,
+ (priv->scan_result_status < 0));
+ priv->scan_request = NULL;
+ kfree(scan_req);
+ }
+
+ if (priv->assoc_request == 1) {
+ if (!priv->assoc_result) {
+ 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);
+ }
+ priv->assoc_request = 0;
+ priv->assoc_result = 0;
+ }
+
+ if (priv->ibss_join_request == 1) {
+ if (!priv->ibss_join_result) {
+ 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");
+ }
+ priv->ibss_join_request = 0;
+ priv->ibss_join_result = 0;
+ }
+
+ if (priv->disconnect) {
+ memset(priv->cfg_bssid, 0, ETH_ALEN);
+ priv->disconnect = 0;
+ }
+}