diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/mwifiex/cfg80211.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/mwifiex/cfg80211.c | 1430 |
1 files changed, 1430 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/mwifiex/cfg80211.c b/ANDROID_3.4.5/drivers/net/wireless/mwifiex/cfg80211.c new file mode 100644 index 00000000..baf69194 --- /dev/null +++ b/ANDROID_3.4.5/drivers/net/wireless/mwifiex/cfg80211.c @@ -0,0 +1,1430 @@ +/* + * 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 -> 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 + */ +static u8 +mwifiex_cfg80211_channel_type_to_sec_chan_offset(enum nl80211_channel_type + channel_type) +{ + switch (channel_type) { + case NL80211_CHAN_NO_HT: + case NL80211_CHAN_HT20: + return IEEE80211_HT_PARAM_CHA_SEC_NONE; + case NL80211_CHAN_HT40PLUS: + return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + case NL80211_CHAN_HT40MINUS: + return IEEE80211_HT_PARAM_CHA_SEC_BELOW; + default: + return IEEE80211_HT_PARAM_CHA_SEC_NONE; + } +} + +/* + * 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_netdev_get_priv(netdev); + + 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 mbm) +{ + struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy); + struct mwifiex_power_cfg power_cfg; + int dbm = MBM_TO_DBM(mbm); + + 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_netdev_get_priv(dev); + u32 ps_mode; + + if (timeout) + wiphy_dbg(wiphy, + "info: ignore 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_netdev_get_priv(netdev); + + /* Return if WEP key not configured */ + if (!priv->sec_info.wep_enabled) + 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_netdev_get_priv(netdev); + + 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; + u32 config_bands = 0; + struct wiphy *wiphy = priv->wdev->wiphy; + struct mwifiex_adapter *adapter = priv->adapter; + + if (chan) { + /* Set appropriate bands */ + if (chan->band == IEEE80211_BAND_2GHZ) { + if (channel_type == NL80211_CHAN_NO_HT) + if (priv->adapter->config_bands == BAND_B || + priv->adapter->config_bands == BAND_G) + config_bands = + priv->adapter->config_bands; + else + config_bands = BAND_B | BAND_G; + else + config_bands = BAND_B | BAND_G | BAND_GN; + } else { + if (channel_type == NL80211_CHAN_NO_HT) + 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; + if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { + 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 = + mwifiex_cfg80211_channel_type_to_sec_chan_offset + (channel_type); + adapter->channel_type = channel_type; + + mwifiex_send_domain_info_cmd_fw(wiphy); + } + + wiphy_dbg(wiphy, "info: setting band %d, chan offset %d, mode %d\n", + config_bands, adapter->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; + + if (dev) + priv = mwifiex_netdev_get_priv(dev); + else + 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; + } + + /* 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); + + /* + * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid + * MCS index values for us are 0 to 7. + */ + if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 8)) { + 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; + } + + 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->qual_level; + /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ + sinfo->txrate.legacy = rate.rate * 5; + + 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; + sinfo->bss_param.dtim_period = priv->dtim_period; + sinfo->bss_param.beacon_interval = + priv->curr_bss_params.bss_descriptor.beacon_period; + } + + 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); + + 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 = 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, + .n_bitrates = ARRAY_SIZE(mwifiex_rates), +}; + +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 setting bit rates. + * + * Function selects legacy bang B/G/BG from corresponding bitrates selection. + * Currently only 2.4GHz band is supported. + */ +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); + int index = 0, mode = 0, i; + struct mwifiex_adapter *adapter = priv->adapter; + + /* Currently only 2.4GHz is supported */ + 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 (mask->control[IEEE80211_BAND_2GHZ].legacy < index) { + mode = BAND_B; + } else { + mode = BAND_G; + if (mask->control[IEEE80211_BAND_2GHZ].legacy % index) + mode |= BAND_B; + } + + if (!((mode | adapter->fw_bands) & ~adapter->fw_bands)) { + adapter->config_bands = mode; + if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { + adapter->adhoc_start_band = mode; + adapter->adhoc_11n_enabled = false; + } + } + adapter->sec_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE; + adapter->channel_type = NL80211_CHAN_NO_HT; + + wiphy_debug(wiphy, "info: device configured in 802.11%s%s mode\n", + (mode & BAND_B) ? "b" : "", (mode & BAND_G) ? "g" : ""); + + return 0; +} + +/* + * 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 (mwifiex_deauthenticate(priv, NULL)) + return -EFAULT; + + wiphy_dbg(wiphy, "info: successfully disconnected from %pM:" + " reason code %d\n", priv->cfg_bssid, reason_code); + + memset(priv->cfg_bssid, 0, ETH_ALEN); + + 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; + struct cfg80211_bss *bss; + int ie_len; + u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; + enum ieee80211_band band; + + 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); + + band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); + chan = __ieee80211_get_channel(priv->wdev->wiphy, + ieee80211_channel_to_frequency(bss_info.bss_chan, + band)); + + bss = cfg80211_inform_bss(priv->wdev->wiphy, chan, + bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, + 0, ie_buf, ie_len, 0, GFP_KERNEL); + cfg80211_put_bss(bss); + memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN); + + 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. + */ +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 cfg80211_ssid req_ssid; + int ret, auth_type = 0; + struct cfg80211_bss *bss = NULL; + u8 is_scanning_required = 0; + + memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); + + 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, + priv->adapter->channel_type); + + /* 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; + priv->sec_info.encryption_mode = 0; + priv->sec_info.is_authtype_auto = 0; + ret = mwifiex_set_encode(priv, NULL, 0, 0, 1); + + 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) { + auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; + priv->sec_info.is_authtype_auto = 1; + } else { + auth_type = sme->auth_type; + } + + 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(priv->sec_info.encryption_mode)) { + dev_dbg(priv->adapter->dev, + "info: setting wep encryption" + " with key len %d\n", sme->key_len); + priv->wep_key_curr_index = sme->key_idx; + ret = mwifiex_set_encode(priv, sme->key, sme->key_len, + sme->key_idx, 0); + } + } +done: + /* + * 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; + } + } + + /* 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) { + dev_warn(priv->adapter->dev, + "assoc: requested bss not found in scan results\n"); + break; + } + is_scanning_required = 1; + } else { + dev_dbg(priv->adapter->dev, + "info: trying to associate to '%s' bssid %pM\n", + (char *) req_ssid.ssid, bss->bssid); + memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); + break; + } + } + + if (mwifiex_bss_start(priv, bss, &req_ssid)) + 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->bss_mode == NL80211_IFTYPE_ADHOC) { + wiphy_err(wiphy, "received infra assoc request " + "when station is in ibss mode\n"); + goto done; + } + + 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); +done: + 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); + } + + 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_netdev_get_priv(dev); + int ret = 0; + + 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; + } + + 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); +done: + 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"); + } + + 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_netdev_get_priv(dev); + + wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n", + priv->cfg_bssid); + if (mwifiex_deauthenticate(priv, NULL)) + return -EFAULT; + + memset(priv->cfg_bssid, 0, ETH_ALEN); + + 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); + int i; + struct ieee80211_channel *chan; + + wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name); + + priv->scan_request = request; + + priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg), + GFP_KERNEL); + if (!priv->user_scan_cfg) { + dev_err(priv->adapter->dev, "failed to alloc scan_req\n"); + return -ENOMEM; + } + + priv->user_scan_cfg->num_ssids = request->n_ssids; + priv->user_scan_cfg->ssid_list = request->ssids; + + 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 = + MWIFIEX_SCAN_TYPE_PASSIVE; + else + priv->user_scan_cfg->chan_list[i].scan_type = + MWIFIEX_SCAN_TYPE_ACTIVE; + + priv->user_scan_cfg->chan_list[i].scan_time = 0; + } + if (mwifiex_set_user_scan_ioctl(priv, priv->user_scan_cfg)) + return -EFAULT; + + 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; +} + +/* + * create a new virtual interface with the given name + */ +struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, + char *name, + enum nl80211_iftype type, + u32 *flags, + struct vif_params *params) +{ + struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy); + struct mwifiex_adapter *adapter; + struct net_device *dev; + void *mdev_priv; + + if (!priv) + return ERR_PTR(-EFAULT); + + adapter = priv->adapter; + if (!adapter) + return ERR_PTR(-EFAULT); + + switch (type) { + case NL80211_IFTYPE_UNSPECIFIED: + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_ADHOC: + if (priv->bss_mode) { + wiphy_err(wiphy, "cannot create multiple" + " station/adhoc interfaces\n"); + return ERR_PTR(-EINVAL); + } + + 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; + priv->bss_priority = 0; + priv->bss_role = MWIFIEX_BSS_ROLE_STA; + priv->bss_num = 0; + + break; + default: + wiphy_err(wiphy, "type not supported\n"); + return ERR_PTR(-EINVAL); + } + + dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name, + ether_setup, 1); + if (!dev) { + wiphy_err(wiphy, "no memory available for netdevice\n"); + priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; + return ERR_PTR(-ENOMEM); + } + + 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; + + priv->netdev = dev; + mwifiex_init_priv_params(priv, dev); + + SET_NETDEV_DEV(dev, adapter->dev); + + /* Register network device */ + if (register_netdevice(dev)) { + wiphy_err(wiphy, "cannot register virtual network device\n"); + free_netdev(dev); + priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; + return ERR_PTR(-EFAULT); + } + + sema_init(&priv->async_sem, 1); + priv->scan_pending_on_block = false; + + dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name); + +#ifdef CONFIG_DEBUG_FS + mwifiex_dev_debugfs_init(priv); +#endif + return dev; +} +EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); + +/* + * del_virtual_intf: remove the virtual interface determined by dev + */ +int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev) +{ + struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); + +#ifdef CONFIG_DEBUG_FS + mwifiex_dev_debugfs_remove(priv); +#endif + + if (!netif_queue_stopped(priv->netdev)) + netif_stop_queue(priv->netdev); + + if (netif_carrier_ok(priv->netdev)) + netif_carrier_off(priv->netdev); + + if (dev->reg_state == NETREG_REGISTERED) + unregister_netdevice(dev); + + if (dev->reg_state == NETREG_UNREGISTERED) + free_netdev(dev); + + /* 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); + +/* station cfg80211 operations */ +static struct cfg80211_ops mwifiex_cfg80211_ops = { + .add_virtual_intf = mwifiex_add_virtual_intf, + .del_virtual_intf = mwifiex_del_virtual_intf, + .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, + .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, +}; + +/* + * 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 mwifiex_private *priv) +{ + int ret; + void *wdev_priv; + struct wireless_dev *wdev; + struct ieee80211_sta_ht_cap *ht_info; + + 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; + ht_info = &wdev->wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap; + mwifiex_setup_ht_caps(ht_info, priv); + + if (priv->adapter->config_bands & BAND_A) { + wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz; + ht_info = &wdev->wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap; + mwifiex_setup_ht_caps(ht_info, 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, priv->curr_addr, ETH_ALEN); + wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + + /* Reserve space for bss band information */ + wdev->wiphy->bss_priv_size = sizeof(u8); + + 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; + + set_wiphy_dev(wdev->wiphy, (struct device *) priv->adapter->dev); + + 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"); + } + + priv->wdev = wdev; + + return ret; +} |