diff options
Diffstat (limited to 'drivers/net/wireless/sd8797/mlinux/moal_sta_cfg80211.c')
| -rw-r--r-- | drivers/net/wireless/sd8797/mlinux/moal_sta_cfg80211.c | 2520 |
1 files changed, 2520 insertions, 0 deletions
diff --git a/drivers/net/wireless/sd8797/mlinux/moal_sta_cfg80211.c b/drivers/net/wireless/sd8797/mlinux/moal_sta_cfg80211.c new file mode 100644 index 000000000000..ed44cdefe43b --- /dev/null +++ b/drivers/net/wireless/sd8797/mlinux/moal_sta_cfg80211.c @@ -0,0 +1,2520 @@ +/** @file moal_sta_cfg80211.c + * + * @brief This file contains the functions for STA CFG80211. + * + * Copyright (C) 2011-2012, 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 "moal_cfg80211.h" +#include "moal_sta_cfg80211.h" +static int woal_cfg80211_reg_notifier(struct wiphy *wiphy, + struct regulatory_request *request); + +static int woal_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_scan_request *request); + +static int woal_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_connect_params *sme); + +static int woal_cfg80211_disconnect(struct wiphy *wiphy, + struct net_device *dev, t_u16 reason_code); + +static int woal_cfg80211_get_station(struct wiphy *wiphy, + struct net_device *dev, + t_u8 * mac, struct station_info *sinfo); + +static int woal_cfg80211_dump_station(struct wiphy *wiphy, + struct net_device *dev, int idx, + t_u8 * mac, struct station_info *sinfo); + +static int woal_cfg80211_set_power_mgmt(struct wiphy *wiphy, + struct net_device *dev, bool enabled, + int timeout); +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35) || defined(COMPAT_WIRELESS) +static int woal_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, + struct net_device *dev, + s32 rssi_thold, u32 rssi_hyst); +#endif + +static int woal_cfg80211_set_tx_power(struct wiphy *wiphy, +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36) && !defined(COMPAT_WIRELESS) + enum tx_power_setting type, +#else + enum nl80211_tx_power_setting type, +#endif + int dbm); + +static int woal_cfg80211_join_ibss(struct wiphy *wiphy, + struct net_device *dev, + struct cfg80211_ibss_params *params); + +static int woal_cfg80211_leave_ibss(struct wiphy *wiphy, + struct net_device *dev); + +#if defined(WIFI_DIRECT_SUPPORT) +#if LINUX_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION +static int woal_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, + struct net_device *dev, + u64 cookie); + +void woal_cfg80211_remain_on_channel_done(void *context); + +static int woal_cfg80211_remain_on_channel(struct wiphy *wiphy, + struct net_device *dev, + struct ieee80211_channel *chan, + enum nl80211_channel_type + channel_type, unsigned int duration, + u64 * cookie); + +static int woal_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, + struct net_device *dev, + u64 cookie); +#endif /* KERNEL_VERSION */ +#endif /* WIFI_DIRECT_SUPPORT && V14_FEATURE */ + +/** cfg80211 STA operations */ +static struct cfg80211_ops woal_cfg80211_sta_ops = { + .change_virtual_intf = woal_cfg80211_change_virtual_intf, + .scan = woal_cfg80211_scan, + .connect = woal_cfg80211_connect, + .disconnect = woal_cfg80211_disconnect, + .get_station = woal_cfg80211_get_station, + .dump_station = woal_cfg80211_dump_station, + .set_wiphy_params = woal_cfg80211_set_wiphy_params, + .set_channel = woal_cfg80211_set_channel, + .join_ibss = woal_cfg80211_join_ibss, + .leave_ibss = woal_cfg80211_leave_ibss, + .add_key = woal_cfg80211_add_key, + .del_key = woal_cfg80211_del_key, + .set_default_key = woal_cfg80211_set_default_key, + .set_power_mgmt = woal_cfg80211_set_power_mgmt, + .set_tx_power = woal_cfg80211_set_tx_power, +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35) || defined(COMPAT_WIRELESS) + .set_cqm_rssi_config = woal_cfg80211_set_cqm_rssi_config, +#endif +}; + +#if defined(WIFI_DIRECT_SUPPORT) +#if LINUX_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION +/** cfg80211 Wifi Direct operations */ +static struct cfg80211_ops woal_cfg80211_wifi_direct_ops = { + .add_virtual_intf = woal_cfg80211_add_virtual_intf, + .del_virtual_intf = woal_cfg80211_del_virtual_intf, + .change_virtual_intf = woal_cfg80211_change_virtual_intf, + .scan = woal_cfg80211_scan, + .connect = woal_cfg80211_connect, + .disconnect = woal_cfg80211_disconnect, + .get_station = woal_cfg80211_get_station, + .dump_station = woal_cfg80211_dump_station, + .set_wiphy_params = woal_cfg80211_set_wiphy_params, + .set_channel = woal_cfg80211_set_channel, + .add_key = woal_cfg80211_add_key, + .del_key = woal_cfg80211_del_key, + .add_beacon = woal_cfg80211_add_beacon, + .set_beacon = woal_cfg80211_set_beacon, + .del_beacon = woal_cfg80211_del_beacon, + .mgmt_frame_register = woal_cfg80211_mgmt_frame_register, + .mgmt_tx = woal_cfg80211_mgmt_tx, + .mgmt_tx_cancel_wait = woal_cfg80211_mgmt_tx_cancel_wait, + .remain_on_channel = woal_cfg80211_remain_on_channel, + .cancel_remain_on_channel = woal_cfg80211_cancel_remain_on_channel, + .set_default_key = woal_cfg80211_set_default_key, + .set_power_mgmt = woal_cfg80211_set_power_mgmt, + .set_tx_power = woal_cfg80211_set_tx_power, +}; +#endif /* KERNEL_VERSION */ +#endif /* WIFI_DIRECT_SUPPORT && V14_FEATURE */ + +/******************************************************** + Local Variables +********************************************************/ +#if defined(WIFI_DIRECT_SUPPORT) +#if LINUX_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION +static const struct ieee80211_txrx_stypes + ieee80211_mgmt_stypes[NUM_NL80211_IFTYPES] = { + [NL80211_IFTYPE_ADHOC] = { + .tx = 0x0000, + .rx = 0x0000, + }, + [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 = 0xffff, + .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) | + BIT(IEEE80211_STYPE_ACTION >> 4), + }, + [NL80211_IFTYPE_AP_VLAN] = { + .tx = 0x0000, + .rx = 0x0000, + }, + [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) | + 0, + .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) | + BIT(IEEE80211_STYPE_PROBE_REQ >> 4) | + BIT(IEEE80211_STYPE_DISASSOC >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4) | + BIT(IEEE80211_STYPE_ACTION >> 4), + }, + [NL80211_IFTYPE_MESH_POINT] = { + .tx = 0x0000, + .rx = 0x0000, + }, + +}; +#endif +#endif /* WIFI_DIRECT_SUPPORT && V14_FEATURE */ + +/******************************************************** + Global Variables +********************************************************/ + +/******************************************************** + Local Functions +********************************************************/ +/** + * @brief Get the encryption mode from cipher + * + * @param cipher Cipher cuite + * @param wpa_enabled WPA enable or disable + * + * @return MLAN_ENCRYPTION_MODE_* + */ +static int +woal_cfg80211_get_encryption_mode(t_u32 cipher, int *wpa_enabled) +{ + int encrypt_mode; + + ENTER(); + + *wpa_enabled = 0; + switch (cipher) { + case IW_AUTH_CIPHER_NONE: + encrypt_mode = MLAN_ENCRYPTION_MODE_NONE; + break; + case WLAN_CIPHER_SUITE_WEP40: + encrypt_mode = MLAN_ENCRYPTION_MODE_WEP40; + break; + case WLAN_CIPHER_SUITE_WEP104: + encrypt_mode = MLAN_ENCRYPTION_MODE_WEP104; + break; + case WLAN_CIPHER_SUITE_TKIP: + encrypt_mode = MLAN_ENCRYPTION_MODE_TKIP; + *wpa_enabled = 1; + break; + case WLAN_CIPHER_SUITE_CCMP: + encrypt_mode = MLAN_ENCRYPTION_MODE_CCMP; + *wpa_enabled = 1; + break; + default: + encrypt_mode = -1; + } + + LEAVE(); + return encrypt_mode; +} + +/** + * @brief Check the pairwise or group cipher for + * WEP enabled or not + * + * @param cipher MLAN Cipher cuite + * + * @return 1 -- enable or 0 -- disable + */ +static int +woal_cfg80211_is_alg_wep(t_u32 cipher) +{ + int alg = 0; + ENTER(); + + if (cipher == MLAN_ENCRYPTION_MODE_WEP40 || + cipher == MLAN_ENCRYPTION_MODE_WEP104) + alg = 1; + + LEAVE(); + return alg; +} + +/** + * @brief Convert 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 + * + * @param channel_type Channel type + * + * @return Driver channel type + */ +static int +woal_cfg80211_channel_type_to_channel(enum nl80211_channel_type channel_type) +{ + int channel; + + ENTER(); + + switch (channel_type) { + case NL80211_CHAN_NO_HT: + case NL80211_CHAN_HT20: + channel = NO_SEC_CHANNEL; + break; + case NL80211_CHAN_HT40PLUS: + channel = SEC_CHANNEL_ABOVE; + break; + case NL80211_CHAN_HT40MINUS: + channel = SEC_CHANNEL_BELOW; + break; + default: + channel = NO_SEC_CHANNEL; + } + LEAVE(); + return channel; +} + +/** + * @brief Convert secondary channel type to NL80211 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 + * + * @param channel_type Driver channel type + * + * @return nl80211_channel_type type + */ +static enum nl80211_channel_type +woal_channel_to_nl80211_channel_type(int channel_type) +{ + enum nl80211_channel_type channel; + + ENTER(); + + switch (channel_type) { + case NO_SEC_CHANNEL: + channel = NL80211_CHAN_HT20; + break; + case SEC_CHANNEL_ABOVE: + channel = NL80211_CHAN_HT40PLUS; + break; + case SEC_CHANNEL_BELOW: + channel = NL80211_CHAN_HT40MINUS; + break; + default: + channel = NL80211_CHAN_HT20; + } + LEAVE(); + return channel; +} + +/** + * @brief Convert driver band configuration to IEEE band type + * + * @param band Driver band configuration + * + * @return IEEE band type + */ +t_u8 +woal_band_cfg_to_ieee_band(t_u32 band) +{ + t_u8 ret_radio_type; + + ENTER(); + + switch (band) { + case BAND_A: + case BAND_AN: + case BAND_A | BAND_AN: + ret_radio_type = IEEE80211_BAND_5GHZ; + break; + case BAND_B: + case BAND_G: + case BAND_B | BAND_G: + case BAND_GN: + case BAND_B | BAND_GN: + default: + ret_radio_type = IEEE80211_BAND_2GHZ; + break; + } + + LEAVE(); + return ret_radio_type; +} + +/** + * @brief Convert NL80211 interface type to MLAN_BSS_MODE_* + * + * @param iftype Interface type of NL80211 + * + * @return Driver bss mode + */ +static t_u32 +woal_nl80211_iftype_to_mode(enum nl80211_iftype iftype) +{ + switch (iftype) { + case NL80211_IFTYPE_ADHOC: + return MLAN_BSS_MODE_IBSS; + case NL80211_IFTYPE_STATION: + return MLAN_BSS_MODE_INFRA; + case NL80211_IFTYPE_UNSPECIFIED: + default: + return MLAN_BSS_MODE_AUTO; + } +} + +/** + * @brief Control WPS Session Enable/Disable + * + * @param priv Pointer to the moal_private driver data struct + * @param enable enable/disable flag + * + * @return 0 --success, otherwise fail + */ +static int +woal_wps_cfg(moal_private * priv, int enable) +{ + int ret = 0; + mlan_ds_wps_cfg *pwps = NULL; + mlan_ioctl_req *req = NULL; + + ENTER(); + + PRINTM(MINFO, "WOAL_WPS_SESSION\n"); + + req = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_wps_cfg)); + if (req == NULL) { + ret = -ENOMEM; + goto done; + } + + pwps = (mlan_ds_wps_cfg *) req->pbuf; + req->req_id = MLAN_IOCTL_WPS_CFG; + req->action = MLAN_ACT_SET; + pwps->sub_command = MLAN_OID_WPS_CFG_SESSION; + if (enable) + pwps->param.wps_session = MLAN_WPS_CFG_SESSION_START; + else + pwps->param.wps_session = MLAN_WPS_CFG_SESSION_END; + + if (MLAN_STATUS_SUCCESS != woal_request_ioctl(priv, req, MOAL_IOCTL_WAIT)) { + ret = -EFAULT; + goto done; + } + + done: + if (req) + kfree(req); + LEAVE(); + return ret; +} + +/** + * @brief configure ASSOC IE + * + * @param priv A pointer to moal private structure + * @param ie A pointer to ie data + * @param ie_len The length of ie data + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_assoc_ies_cfg(moal_private * priv, t_u8 * ie, int ie_len) +{ + int bytes_left = ie_len; + t_u8 *pcurrent_ptr = ie; + int total_ie_len; + t_u8 element_len; + int ret = MLAN_STATUS_SUCCESS; + IEEEtypes_ElementId_e element_id; + IEEEtypes_VendorSpecific_t *pvendor_ie; + t_u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 }; + + while (bytes_left >= 2) { + element_id = (IEEEtypes_ElementId_e) (*((t_u8 *) pcurrent_ptr)); + element_len = *((t_u8 *) pcurrent_ptr + 1); + total_ie_len = element_len + sizeof(IEEEtypes_Header_t); + if (bytes_left < total_ie_len) { + PRINTM(MERROR, "InterpretIE: Error in processing IE, " + "bytes left < IE length\n"); + bytes_left = 0; + continue; + } + switch (element_id) { + case RSN_IE: + if (MLAN_STATUS_SUCCESS != + woal_set_get_gen_ie(priv, MLAN_ACT_SET, pcurrent_ptr, + &total_ie_len)) { + PRINTM(MERROR, "Fail to set RSN IE\n"); + ret = -EFAULT; + goto done; + } + PRINTM(MIOCTL, "Set RSN IE\n"); + break; + case VENDOR_SPECIFIC_221: + pvendor_ie = (IEEEtypes_VendorSpecific_t *) pcurrent_ptr; + if (!memcmp(pvendor_ie->vend_hdr.oui, wps_oui, sizeof(wps_oui))) { + PRINTM(MIOCTL, "Enable WPS session\n"); + woal_wps_cfg(priv, MTRUE); + } + if (MLAN_STATUS_SUCCESS != + woal_set_get_gen_ie(priv, MLAN_ACT_SET, pcurrent_ptr, + &total_ie_len)) { + PRINTM(MERROR, "Fail to Set VENDOR SPECIFIC IE\n"); + ret = -EFAULT; + goto done; + } + PRINTM(MIOCTL, "Set VENDOR SPECIFIC IE, OUI: %02x:%02x:%02x:%02x\n", + pvendor_ie->vend_hdr.oui[0], pvendor_ie->vend_hdr.oui[1], + pvendor_ie->vend_hdr.oui[2], pvendor_ie->vend_hdr.oui_type); + break; + default: + if (MLAN_STATUS_SUCCESS != + woal_set_get_gen_ie(priv, MLAN_ACT_SET, pcurrent_ptr, + &total_ie_len)) { + PRINTM(MERROR, "Fail to set GEN IE\n"); + ret = -EFAULT; + goto done; + } + PRINTM(MIOCTL, "Set GEN IE\n"); + break; + } + pcurrent_ptr += element_len + 2; + /* Need to account for IE ID and IE Len */ + bytes_left -= (element_len + 2); + } + done: + return ret; +} + +/** + * @brief Send domain info command to FW + * + * @param priv A pointer to moal_private structure + * + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +woal_send_domain_info_cmd_fw(moal_private * priv) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + enum ieee80211_band band; + struct ieee80211_supported_band *sband = NULL; + struct ieee80211_channel *channel = NULL; + t_u8 no_of_sub_band = 0; + t_u8 no_of_parsed_chan = 0; + t_u8 first_chan = 0, next_chan = 0, max_pwr = 0; + t_u8 i, flag = 0; + mlan_ds_11d_cfg *cfg_11d = NULL; + mlan_ds_radio_cfg *radio_cfg = NULL; + mlan_ioctl_req *req = NULL; + + ENTER(); + + if (!priv->wdev || !priv->wdev->wiphy) { + PRINTM(MERROR, "No wdev or wiphy in priv\n"); + ret = MLAN_STATUS_FAILURE; + goto done; + } + + /* Allocate an IOCTL request buffer */ + req = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_radio_cfg)); + if (req == NULL) { + ret = MLAN_STATUS_FAILURE; + goto done; + } + + radio_cfg = (mlan_ds_radio_cfg *) req->pbuf; + radio_cfg->sub_command = MLAN_OID_BAND_CFG; + req->req_id = MLAN_IOCTL_RADIO_CFG; + req->action = MLAN_ACT_GET; + if (MLAN_STATUS_SUCCESS != woal_request_ioctl(priv, req, MOAL_IOCTL_WAIT)) { + ret = MLAN_STATUS_FAILURE; + goto done; + } + band = woal_band_cfg_to_ieee_band(radio_cfg->param.band_cfg.config_bands); + if (!priv->wdev->wiphy->bands[band]) { + PRINTM(MERROR, "11D: setting domain info in FW failed"); + ret = MLAN_STATUS_FAILURE; + goto done; + } + kfree(req); + + /* Allocate an IOCTL request buffer */ + req = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_11d_cfg)); + if (req == NULL) { + ret = MLAN_STATUS_FAILURE; + goto done; + } + cfg_11d = (mlan_ds_11d_cfg *) req->pbuf; + cfg_11d->sub_command = MLAN_OID_11D_DOMAIN_INFO; + req->req_id = MLAN_IOCTL_11D_CFG; + req->action = MLAN_ACT_SET; + + /* Set country code */ + cfg_11d->param.domain_info.country_code[0] = priv->country_code[0]; + cfg_11d->param.domain_info.country_code[1] = priv->country_code[1]; + cfg_11d->param.domain_info.country_code[2] = ' '; + cfg_11d->param.domain_info.band = band; + + sband = priv->wdev->wiphy->bands[band]; + for (i = 0; (i < sband->n_channels) && + (no_of_sub_band < MRVDRV_MAX_SUBBAND_802_11D); i++) { + channel = &sband->channels[i]; + if (channel->flags & IEEE80211_CHAN_DISABLED) + continue; + + if (!flag) { + flag = 1; + next_chan = first_chan = (t_u32) channel->hw_value; + max_pwr = channel->max_power; + no_of_parsed_chan = 1; + continue; + } + + if (channel->hw_value == next_chan + 1 && channel->max_power == max_pwr) { + next_chan++; + no_of_parsed_chan++; + } else { + cfg_11d->param.domain_info.sub_band[no_of_sub_band] + .first_chan = first_chan; + cfg_11d->param.domain_info.sub_band[no_of_sub_band] + .no_of_chan = no_of_parsed_chan; + cfg_11d->param.domain_info.sub_band[no_of_sub_band] + .max_tx_pwr = max_pwr; + no_of_sub_band++; + next_chan = first_chan = (t_u32) channel->hw_value; + max_pwr = channel->max_power; + no_of_parsed_chan = 1; + } + } + + if (flag) { + cfg_11d->param.domain_info.sub_band[no_of_sub_band] + .first_chan = first_chan; + cfg_11d->param.domain_info.sub_band[no_of_sub_band] + .no_of_chan = no_of_parsed_chan; + cfg_11d->param.domain_info.sub_band[no_of_sub_band] + .max_tx_pwr = max_pwr; + no_of_sub_band++; + } + cfg_11d->param.domain_info.no_of_sub_band = no_of_sub_band; + + /* Send domain info command to FW */ + if (MLAN_STATUS_SUCCESS != woal_request_ioctl(priv, req, MOAL_IOCTL_WAIT)) { + ret = MLAN_STATUS_FAILURE; + PRINTM(MERROR, "11D: Error setting domain info in FW\n"); + goto done; + } + + done: + if (req) + kfree(req); + LEAVE(); + return ret; +} + +/** + * @brief Request the driver to change the channel and + * change domain info according to that channel + * + * @param priv A pointer to moal_private structure + * @param chan A pointer to ieee80211_channel structure + * @param channel_type Channel type of nl80211_channel_type + * + * @return 0 -- success, otherwise fail + */ +int +woal_set_rf_channel(moal_private * priv, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type) +{ + int ret = 0; + t_u32 mode, config_bands = 0; + mlan_ioctl_req *req1 = NULL, *req2 = NULL; + mlan_ds_radio_cfg *radio_cfg = NULL; + mlan_ds_bss *bss = NULL; + + ENTER(); + + mode = woal_nl80211_iftype_to_mode(priv->wdev->iftype); + + req1 = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_radio_cfg)); + if (req1 == NULL) { + ret = -ENOMEM; + goto done; + } + + radio_cfg = (mlan_ds_radio_cfg *) req1->pbuf; + radio_cfg->sub_command = MLAN_OID_BAND_CFG; + req1->req_id = MLAN_IOCTL_RADIO_CFG; + + if (chan) { + req1->action = MLAN_ACT_SET; + /* 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 (mode == MLAN_BSS_MODE_IBSS) + radio_cfg->param.band_cfg.adhoc_start_band = config_bands; + radio_cfg->param.band_cfg.config_bands = config_bands; + /* Set channel offset */ + radio_cfg->param.band_cfg.sec_chan_offset = + woal_cfg80211_channel_type_to_channel(channel_type); + + if (MLAN_STATUS_SUCCESS != + woal_request_ioctl(priv, req1, MOAL_IOCTL_WAIT)) { + ret = -EFAULT; + goto done; + } + woal_send_domain_info_cmd_fw(priv); + } + + PRINTM(MINFO, "Setting band %d, channel bandwidth %d and mode = %d\n", + config_bands, radio_cfg->param.band_cfg.sec_chan_offset, mode); + + if (!chan) + goto done; + + req2 = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_bss)); + if (req2 == NULL) { + ret = -ENOMEM; + goto done; + } + + bss = (mlan_ds_bss *) req2->pbuf; + + bss->param.bss_chan.freq = chan->center_freq; + /* Convert frequency to channel */ + bss->param.bss_chan.channel = + ieee80211_frequency_to_channel(chan->center_freq); + + bss->sub_command = MLAN_OID_BSS_CHANNEL; + req2->req_id = MLAN_IOCTL_BSS; + req2->action = MLAN_ACT_SET; + + if (MLAN_STATUS_SUCCESS != woal_request_ioctl(priv, req2, MOAL_IOCTL_WAIT)) { + ret = -EFAULT; + goto done; + } + + if (MLAN_STATUS_SUCCESS != + woal_change_adhoc_chan(priv, bss->param.bss_chan.channel)) { + ret = -EFAULT; + goto done; + } + + done: + if (req1) + kfree(req1); + if (req2) + kfree(req2); + + LEAVE(); + return ret; +} + +/** + * @brief Set ewpa mode + * + * @param priv A pointer to moal_private structure + * @param wait_option Wait option + * @param ssid_bssid A pointer to mlan_ssid_bssid structure + * + * @return MLAN_STATUS_SUCCESS/MLAN_STATUS_PENDING -- success, otherwise fail + */ +mlan_status +woal_set_ewpa_mode(moal_private * priv, t_u8 wait_option, + mlan_ssid_bssid * ssid_bssid) +{ + int ret = 0; + mlan_ioctl_req *req = NULL; + mlan_ds_sec_cfg *sec = NULL; + mlan_status status = MLAN_STATUS_SUCCESS; + + ENTER(); + + /* Allocate an IOCTL request buffer */ + req = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_sec_cfg)); + if (req == NULL) { + ret = -ENOMEM; + goto error; + } + /* Fill request buffer */ + sec = (mlan_ds_sec_cfg *) req->pbuf; + sec->sub_command = MLAN_OID_SEC_CFG_PASSPHRASE; + req->req_id = MLAN_IOCTL_SEC_CFG; + req->action = MLAN_ACT_GET; + + /* Try Get All */ + memset(&sec->param.passphrase, 0, sizeof(mlan_ds_passphrase)); + memcpy(&sec->param.passphrase.ssid, &ssid_bssid->ssid, + sizeof(sec->param.passphrase.ssid)); + memcpy(&sec->param.passphrase.bssid, &ssid_bssid->bssid, + MLAN_MAC_ADDR_LENGTH); + sec->param.passphrase.psk_type = MLAN_PSK_QUERY; + + /* Send IOCTL request to MLAN */ + if (MLAN_STATUS_SUCCESS != woal_request_ioctl(priv, req, wait_option)) + goto error; + sec->param.ewpa_enabled = MFALSE; + if (sec->param.passphrase.psk_type == MLAN_PSK_PASSPHRASE) { + if (sec->param.passphrase.psk.passphrase.passphrase_len > 0) { + sec->param.ewpa_enabled = MTRUE; + } + } else if (sec->param.passphrase.psk_type == MLAN_PSK_PMK) + sec->param.ewpa_enabled = MTRUE; + + sec->sub_command = MLAN_OID_SEC_CFG_EWPA_ENABLED; + req->action = MLAN_ACT_SET; + + /* Send IOCTL request to MLAN */ + status = woal_request_ioctl(priv, req, wait_option); + + error: + if (req && (status != MLAN_STATUS_PENDING)) + kfree(req); + LEAVE(); + return status; +} + +/** + * @brief Set encryption mode and enable WPA + * + * @param priv A pointer to moal_private structure + * @param encrypt_mode Encryption mode + * @param wpa_enabled WPA enable or not + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_set_auth(moal_private * priv, int encrypt_mode, int wpa_enabled) +{ + int ret = 0; + + ENTER(); + + if (MLAN_STATUS_SUCCESS != + woal_set_encrypt_mode(priv, MOAL_IOCTL_WAIT, encrypt_mode)) + ret = -EFAULT; + + if (wpa_enabled) { + if (MLAN_STATUS_SUCCESS != + woal_set_wpa_enable(priv, MOAL_IOCTL_WAIT, 1)) + ret = -EFAULT; + } + + LEAVE(); + return ret; +} + +/** + * @brief 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 + * + * @param priv A pointer to moal_private structure + * @param ssid A pointer to mlan_802_11_ssid structure + * + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +mlan_status +woal_inform_bss_from_scan_result(moal_private * priv, mlan_802_11_ssid * ssid) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + struct ieee80211_channel *chan; + mlan_scan_resp scan_resp; + BSSDescriptor_t *scan_table; + t_u64 ts = 0; + u16 cap_info = 0; + int i = 0; + struct cfg80211_bss *pub = NULL; + ENTER(); + if (!priv->wdev || !priv->wdev->wiphy) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + memset(&scan_resp, 0, sizeof(scan_resp)); + if (MLAN_STATUS_SUCCESS != woal_get_scan_table(priv, + MOAL_IOCTL_WAIT, + &scan_resp)) { + ret = MLAN_STATUS_FAILURE; + goto done; + } + + if (scan_resp.num_in_scan_table) { + scan_table = (BSSDescriptor_t *) scan_resp.pscan_table; + for (i = 0; i < scan_resp.num_in_scan_table; i++) { + if (ssid) { + /* Inform specific BSS only */ + if (memcmp(ssid->ssid, scan_table[i].ssid.ssid, ssid->ssid_len)) + continue; + } + if (!scan_table[i].freq) { + PRINTM(MERROR, "Invalid channel number %d\n", + (int) scan_table[i].channel); + continue; + } + chan = ieee80211_get_channel(priv->wdev->wiphy, scan_table[i].freq); + if (!chan) { + PRINTM(MERROR, + "Fail to get chan with freq: channel=%d freq=%d\n", + (int) scan_table[i].channel, (int) scan_table[i].freq); + continue; + } + memcpy(&ts, scan_table[i].time_stamp, sizeof(ts)); + memcpy(&cap_info, &scan_table[i].cap_info, sizeof(cap_info)); + pub = cfg80211_inform_bss(priv->wdev->wiphy, chan, + scan_table[i].mac_address, + ts, cap_info, + scan_table[i].beacon_period, + scan_table[i].pbeacon_buf + + WLAN_802_11_FIXED_IE_SIZE, + scan_table[i].beacon_buf_size - + WLAN_802_11_FIXED_IE_SIZE, + -RSSI_DBM_TO_MDM(scan_table[i].rssi), + GFP_KERNEL); + if (pub) { + pub->len_information_elements = pub->len_beacon_ies; + cfg80211_put_bss(pub); + } + } + } + done: + LEAVE(); + return ret; +} + +/** + * @brief Informs the CFG802.11 subsystem of a new IBSS connection. + * + * The following information are sent to the CFG802.11 subsystem + * to register the new IBSS connection. If we do not register the + * new IBSS, 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 + * + * @param priv A pointer to moal_private structure + * @param cahn A pointer to ieee80211_channel structure + * @param beacon_interval Beacon interval + * + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +static mlan_status +woal_cfg80211_inform_ibss_bss(moal_private * priv, + struct ieee80211_channel *chan, + t_u16 beacon_interval) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + mlan_bss_info bss_info; + mlan_ds_get_signal signal; + t_u8 ie_buf[MLAN_MAX_SSID_LENGTH + sizeof(IEEEtypes_Header_t)]; + int ie_len = 0; + struct cfg80211_bss *bss = NULL; + + ENTER(); + + ret = woal_get_bss_info(priv, MOAL_IOCTL_WAIT, &bss_info); + if (ret) + goto done; + + memset(ie_buf, 0, sizeof(ie_buf)); + ie_buf[0] = WLAN_EID_SSID; + ie_buf[1] = bss_info.ssid.ssid_len; + + memcpy(&ie_buf[sizeof(IEEEtypes_Header_t)], + &bss_info.ssid.ssid, bss_info.ssid.ssid_len); + ie_len = ie_buf[1] + sizeof(IEEEtypes_Header_t); + + /* Get signal information from the firmware */ + memset(&signal, 0, sizeof(mlan_ds_get_signal)); + if (MLAN_STATUS_SUCCESS != + woal_get_signal_info(priv, MOAL_IOCTL_WAIT, &signal)) { + PRINTM(MERROR, "Error getting signal information\n"); + ret = MLAN_STATUS_FAILURE; + goto done; + } + + bss = cfg80211_inform_bss(priv->wdev->wiphy, chan, + bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, + beacon_interval, ie_buf, ie_len, + signal.bcn_rssi_avg, GFP_KERNEL); + if (bss) + cfg80211_put_bss(bss); + done: + LEAVE(); + return ret; +} + +/** + * @brief Request the driver for (re)association + * + * @param priv A pointer to moal_private structure + * @param sme A pointer to connect parameters + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_assoc(moal_private * priv, void *sme) +{ + struct cfg80211_ibss_params *ibss_param = NULL; + struct cfg80211_connect_params *conn_param = NULL; + mlan_802_11_ssid req_ssid; + mlan_ssid_bssid ssid_bssid; + mlan_ds_radio_cfg *radio_cfg = NULL; + mlan_ioctl_req *req = NULL; + int ret = 0; + t_u32 auth_type = 0, mode; + int wpa_enabled = 0; + int group_enc_mode = 0, pairwise_enc_mode = 0; + int alg_is_wep = 0; + + t_u8 *ssid, ssid_len = 0, *bssid; + t_u8 *ie = NULL; + int ie_len = 0; + struct ieee80211_channel *channel = NULL; + t_u16 beacon_interval = 0; + bool privacy; + + ENTER(); + + mode = woal_nl80211_iftype_to_mode(priv->wdev->iftype); + + if (mode == MLAN_BSS_MODE_IBSS) { + ibss_param = (struct cfg80211_ibss_params *) sme; + ssid = ibss_param->ssid; + ssid_len = ibss_param->ssid_len; + bssid = ibss_param->bssid; + channel = ibss_param->channel; + if (ibss_param->ie_len) + ie = ibss_param->ie; + ie_len = ibss_param->ie_len; + beacon_interval = ibss_param->beacon_interval; + privacy = ibss_param->privacy; + } else { + conn_param = (struct cfg80211_connect_params *) sme; + ssid = conn_param->ssid; + ssid_len = conn_param->ssid_len; + bssid = conn_param->bssid; + channel = conn_param->channel; + if (conn_param->ie_len) + ie = conn_param->ie; + ie_len = conn_param->ie_len; + privacy = conn_param->privacy; + } + + memset(&req_ssid, 0, sizeof(mlan_802_11_ssid)); + memset(&ssid_bssid, 0, sizeof(mlan_ssid_bssid)); + + req_ssid.ssid_len = ssid_len; + if (ssid_len > IW_ESSID_MAX_SIZE) { + PRINTM(MERROR, "Invalid SSID - aborting\n"); + ret = -EINVAL; + goto done; + } + + memcpy(req_ssid.ssid, ssid, ssid_len); + if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { + PRINTM(MERROR, "Invalid SSID - aborting\n"); + ret = -EINVAL; + goto done; + } + + if (channel) { + /* Get the secondary channel offset */ + req = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_radio_cfg)); + if (req == NULL) { + ret = -ENOMEM; + goto done; + } + radio_cfg = (mlan_ds_radio_cfg *) req->pbuf; + radio_cfg->sub_command = MLAN_OID_BAND_CFG; + req->req_id = MLAN_IOCTL_RADIO_CFG; + req->action = MLAN_ACT_GET; + + if (MLAN_STATUS_SUCCESS != + woal_request_ioctl(priv, req, MOAL_IOCTL_WAIT)) { + ret = -EFAULT; + goto done; + } + if (MLAN_STATUS_SUCCESS != woal_set_rf_channel(priv, + channel, + woal_channel_to_nl80211_channel_type + (radio_cfg->param. + band_cfg. + sec_chan_offset))) { + ret = -EFAULT; + goto done; + } + } + + if (MLAN_STATUS_SUCCESS != + woal_set_ewpa_mode(priv, MOAL_IOCTL_WAIT, &ssid_bssid)) { + ret = -EFAULT; + goto done; + } + + if (MLAN_STATUS_SUCCESS != + woal_cfg80211_set_key(priv, 0, 0, NULL, 0, NULL, 0, + KEY_INDEX_CLEAR_ALL, NULL, 1)) { + /* Disable keys and clear all previous security settings */ + ret = -EFAULT; + goto done; + } + + if (ie && ie_len) { /* Set the IE */ + if (MLAN_STATUS_SUCCESS != + woal_cfg80211_assoc_ies_cfg(priv, ie, ie_len)) { + ret = -EFAULT; + goto done; + } + } + + if (conn_param && mode != MLAN_BSS_MODE_IBSS) { + /* These parameters are only for managed mode */ + if (conn_param->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) + auth_type = MLAN_AUTH_MODE_OPEN; + else if (conn_param->auth_type == NL80211_AUTHTYPE_SHARED_KEY) + auth_type = MLAN_AUTH_MODE_SHARED; + else if (conn_param->auth_type == NL80211_AUTHTYPE_NETWORK_EAP) + auth_type = MLAN_AUTH_MODE_NETWORKEAP; + else + auth_type = MLAN_AUTH_MODE_AUTO; + + if (MLAN_STATUS_SUCCESS != + woal_set_auth_mode(priv, MOAL_IOCTL_WAIT, auth_type)) { + ret = -EFAULT; + goto done; + } + + if (conn_param->crypto.n_ciphers_pairwise) { + pairwise_enc_mode = + woal_cfg80211_get_encryption_mode(conn_param-> + crypto.ciphers_pairwise[0], + &wpa_enabled); + ret = woal_cfg80211_set_auth(priv, pairwise_enc_mode, wpa_enabled); + if (ret) + goto done; + } + + if (conn_param->crypto.cipher_group) { + group_enc_mode = + woal_cfg80211_get_encryption_mode(conn_param-> + crypto.cipher_group, + &wpa_enabled); + ret = woal_cfg80211_set_auth(priv, group_enc_mode, wpa_enabled); + if (ret) + goto done; + } + + if (conn_param->key) { + alg_is_wep = + woal_cfg80211_is_alg_wep(pairwise_enc_mode) | + woal_cfg80211_is_alg_wep(group_enc_mode); + if (alg_is_wep) { + PRINTM(MINFO, "Setting wep encryption with " + "key len %d\n", conn_param->key_len); + /* Set the WEP key */ + if (MLAN_STATUS_SUCCESS != + woal_cfg80211_set_wep_keys(priv, conn_param->key, + conn_param->key_len, + conn_param->key_idx)) { + ret = -EFAULT; + goto done; + } + /* Enable the WEP key by key index */ + if (MLAN_STATUS_SUCCESS != + woal_cfg80211_set_wep_keys(priv, NULL, 0, + conn_param->key_idx)) { + ret = -EFAULT; + goto done; + } + } + } + } + + if (mode == MLAN_BSS_MODE_IBSS) { + mlan_ds_bss *bss = NULL; + /* Change beacon interval */ + if ((beacon_interval < MLAN_MIN_BEACON_INTERVAL) || + (beacon_interval > MLAN_MAX_BEACON_INTERVAL)) { + ret = -EINVAL; + goto done; + } + if (req) + kfree(req); + req = NULL; + + req = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_bss)); + if (req == NULL) { + ret = -ENOMEM; + goto done; + } + bss = (mlan_ds_bss *) req->pbuf; + req->req_id = MLAN_IOCTL_BSS; + req->action = MLAN_ACT_SET; + bss->sub_command = MLAN_OID_IBSS_BCN_INTERVAL; + bss->param.bcn_interval = beacon_interval; + if (MLAN_STATUS_SUCCESS != + woal_request_ioctl(priv, req, MOAL_IOCTL_WAIT)) { + ret = -EFAULT; + goto done; + } + + /* "privacy" is set only for ad-hoc mode */ + if (privacy) { + /* + * Keep MLAN_ENCRYPTION_MODE_WEP40 for now so that + * the firmware can find a matching network from the + * scan. cfg80211 does not give us the encryption + * mode at this stage so just setting it to wep here + */ + if (MLAN_STATUS_SUCCESS != + woal_set_auth_mode(priv, MOAL_IOCTL_WAIT, + MLAN_AUTH_MODE_OPEN)) { + ret = -EFAULT; + goto done; + } + + wpa_enabled = 0; + ret = woal_cfg80211_set_auth(priv, + MLAN_ENCRYPTION_MODE_WEP104, + wpa_enabled); + if (ret) + goto done; + } + } + memcpy(&ssid_bssid.ssid, &req_ssid, sizeof(mlan_802_11_ssid)); + if (bssid) + memcpy(&ssid_bssid.bssid, bssid, ETH_ALEN); + if (MLAN_STATUS_SUCCESS != woal_find_essid(priv, &ssid_bssid)) { + /* Do specific SSID scanning */ + if (MLAN_STATUS_SUCCESS != + woal_request_scan(priv, MOAL_IOCTL_WAIT, &req_ssid)) { + ret = -EFAULT; + goto done; + } + } + + /* Disconnect before try to associate */ + woal_disconnect(priv, MOAL_IOCTL_WAIT, NULL); + + if (mode != MLAN_BSS_MODE_IBSS) { + if (MLAN_STATUS_SUCCESS != + woal_find_best_network(priv, MOAL_IOCTL_WAIT, &ssid_bssid)) { + ret = -EFAULT; + goto done; + } + /* Inform the BSS information to kernel, otherwise kernel will give a + panic after successful assoc */ + if (MLAN_STATUS_SUCCESS != + woal_inform_bss_from_scan_result(priv, &req_ssid)) { + ret = -EFAULT; + goto done; + } + } else if (MLAN_STATUS_SUCCESS != + woal_find_best_network(priv, MOAL_IOCTL_WAIT, &ssid_bssid)) + /* Adhoc start, Check the channel command */ + woal_11h_channel_check_ioctl(priv); + + PRINTM(MINFO, "Trying to associate to %s and bssid %pM\n", + (char *) req_ssid.ssid, ssid_bssid.bssid); + + /* Zero SSID implies use BSSID to connect */ + if (bssid) + memset(&ssid_bssid.ssid, 0, sizeof(mlan_802_11_ssid)); + else /* Connect to BSS by ESSID */ + memset(&ssid_bssid.bssid, 0, MLAN_MAC_ADDR_LENGTH); + + if (MLAN_STATUS_SUCCESS != + woal_bss_start(priv, MOAL_IOCTL_WAIT, &ssid_bssid)) { + ret = -EFAULT; + goto done; + } + + /* Inform the IBSS information to kernel, otherwise kernel will give a + panic after successful assoc */ + if (mode == MLAN_BSS_MODE_IBSS) { + if (MLAN_STATUS_SUCCESS != + woal_cfg80211_inform_ibss_bss(priv, channel, beacon_interval)) { + ret = -EFAULT; + goto done; + } + } + + done: + if (ret) { + /* clear IE */ + ie_len = 0; + woal_set_get_gen_ie(priv, MLAN_ACT_SET, NULL, &ie_len); + } + if (req) + kfree(req); + LEAVE(); + return ret; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0) || defined(COMPAT_WIRELESS) +/** + * @brief Set/Get DTIM period + * + * @param priv A pointer to moal_private structure + * @param action Action set or get + * @param wait_option Wait option + * @param value DTIM period + * + * @return MLAN_STATUS_SUCCESS/MLAN_STATUS_PENDING -- success, otherwise fail + */ +static mlan_status +woal_set_get_dtim_period(moal_private * priv, + t_u32 action, t_u8 wait_option, t_u8 * value) +{ + mlan_ioctl_req *req = NULL; + mlan_ds_snmp_mib *mib = NULL; + mlan_status ret = MLAN_STATUS_SUCCESS; + + ENTER(); + + /* Allocate an IOCTL request buffer */ + req = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_snmp_mib)); + if (req == NULL) { + ret = MLAN_STATUS_FAILURE; + goto done; + } + + /* Fill request buffer */ + mib = (mlan_ds_snmp_mib *) req->pbuf; + mib->sub_command = MLAN_OID_SNMP_MIB_DTIM_PERIOD; + req->req_id = MLAN_IOCTL_SNMP_MIB; + req->action = action; + + if (action == MLAN_ACT_SET) { + mib->param.dtim_period = *value; + } + + /* Send IOCTL request to MLAN */ + ret = woal_request_ioctl(priv, req, wait_option); + if (ret == MLAN_STATUS_SUCCESS && action == MLAN_ACT_GET) { + *value = (t_u8) mib->param.dtim_period; + } + + done: + if (req && (ret != MLAN_STATUS_PENDING)) + kfree(req); + LEAVE(); + return ret; +} +#endif + +/** + * @brief Request the driver to dump the station information + * + * @param priv A pointer to moal_private structure + * @param sinfo A pointer to station_info structure + * + * @return 0 -- success, otherwise fail + */ +static mlan_status +woal_cfg80211_dump_station_info(moal_private * priv, struct station_info *sinfo) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + mlan_ds_get_signal signal; + mlan_ioctl_req *req = NULL; + mlan_ds_rate *rate = NULL; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0) || defined(COMPAT_WIRELESS) + mlan_bss_info bss_info; + t_u8 dtim_period = 0; +#endif + + ENTER(); + 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(mlan_ds_get_signal)); + if (MLAN_STATUS_SUCCESS != + woal_get_signal_info(priv, MOAL_IOCTL_WAIT, &signal)) { + PRINTM(MERROR, "Error getting signal information\n"); + ret = MLAN_STATUS_FAILURE; + goto done; + } + + req = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_rate)); + if (req == NULL) { + ret = MLAN_STATUS_FAILURE; + goto done; + } + rate = (mlan_ds_rate *) req->pbuf; + rate->sub_command = MLAN_OID_GET_DATA_RATE; + req->req_id = MLAN_IOCTL_RATE; + req->action = MLAN_ACT_GET; + if (MLAN_STATUS_SUCCESS != woal_request_ioctl(priv, req, MOAL_IOCTL_WAIT)) { + ret = MLAN_STATUS_FAILURE; + goto done; + } + sinfo->txrate.flags = RATE_INFO_FLAGS_MCS; + if (rate->param.data_rate.tx_ht_bw == MLAN_HT_BW40) { + sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; + } + if (rate->param.data_rate.tx_ht_gi == MLAN_HT_SGI) { + sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; + } + sinfo->txrate.mcs = rate->param.data_rate.tx_data_rate; + 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 = signal.bcn_rssi_avg; + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0) || defined(COMPAT_WIRELESS) + /* Update BSS information */ + sinfo->filled |= STATION_INFO_BSS_PARAM; + sinfo->bss_param.flags = 0; + ret = woal_get_bss_info(priv, MOAL_IOCTL_WAIT, &bss_info); + if (ret) + goto done; + if (bss_info.capability_info & WLAN_CAPABILITY_SHORT_PREAMBLE) + sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_PREAMBLE; + if (bss_info.capability_info & WLAN_CAPABILITY_SHORT_SLOT_TIME) + sinfo->bss_param.flags |= BSS_PARAM_FLAGS_SHORT_SLOT_TIME; + sinfo->bss_param.beacon_interval = bss_info.beacon_interval; + /* Get DTIM period */ + ret = woal_set_get_dtim_period(priv, MLAN_ACT_GET, + MOAL_IOCTL_WAIT, &dtim_period); + if (ret) { + PRINTM(MERROR, "Get DTIM period failed\n"); + goto done; + } + sinfo->bss_param.dtim_period = dtim_period; +#endif + + done: + if (req) + kfree(req); + + LEAVE(); + return ret; +} + +/******************************************************** + Global Functions +********************************************************/ + +/** + * @brief Request the driver to change regulatory domain + * + * @param wiphy A pointer to wiphy structure + * @param request A pointer to regulatory_request structure + * + * @return 0 + */ +static int +woal_cfg80211_reg_notifier(struct wiphy *wiphy, + struct regulatory_request *request) +{ + moal_private *priv = (moal_private *) woal_get_wiphy_priv(wiphy); + int ret = 0; + + ENTER(); + + if (!priv) { + PRINTM(MFATAL, "Unable to get priv in %s()\n", __FUNCTION__); + LEAVE(); + return -EINVAL; + } + + PRINTM(MINFO, "cfg80211 regulatory domain callback " + "%c%c\n", request->alpha2[0], request->alpha2[1]); + + if (MLAN_STATUS_SUCCESS != woal_set_region_code(priv, request->alpha2)) + PRINTM(MERROR, "Set country code failed!\n"); + memcpy(priv->country_code, request->alpha2, COUNTRY_CODE_LEN); + + switch (request->initiator) { + case NL80211_REGDOM_SET_BY_DRIVER: + PRINTM(MINFO, "Regulatory domain BY_DRIVER\n"); + break; + case NL80211_REGDOM_SET_BY_CORE: + PRINTM(MINFO, "Regulatory domain BY_CORE\n"); + break; + case NL80211_REGDOM_SET_BY_USER: + PRINTM(MINFO, "Regulatory domain BY_USER\n"); + break; + /* TODO: apply driver specific changes in channel flags based on the + request initiator if necessory. * */ + case NL80211_REGDOM_SET_BY_COUNTRY_IE: + PRINTM(MINFO, "Regulatory domain BY_COUNTRY_IE\n"); + break; + } + + if (MLAN_STATUS_SUCCESS != woal_send_domain_info_cmd_fw(priv)) + ret = -EFAULT; + + LEAVE(); + return ret; +} + +/** + * @brief Request the driver to do a scan. Always returning + * zero meaning that the scan request is given to driver, + * and will be valid until passed to cfg80211_scan_done(). + * To inform scan results, call cfg80211_inform_bss(). + * + * @param wiphy A pointer to wiphy structure + * @param dev A pointer to net_device structure + * @param request A pointer to cfg80211_scan_request structure + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_scan_request *request) +{ + moal_private *priv = (moal_private *) woal_get_netdev_priv(dev); + wlan_user_scan_cfg scan_req; + struct ieee80211_channel *chan; + int ret = 0, i; + + ENTER(); + + PRINTM(MINFO, "Received scan request on %s\n", dev->name); + + if (priv->scan_request && priv->scan_request != request) { + LEAVE(); + return -EBUSY; + } + priv->scan_request = request; + + memset(&scan_req, 0x00, sizeof(scan_req)); + 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); + if (priv->scan_request->ssids[i].ssid_len) + scan_req.ssid_list[i].max_len = 0; + else + scan_req.ssid_list[i].max_len = 0xff; + PRINTM(MIOCTL, "scan: ssid=%s\n", scan_req.ssid_list[i].ssid); + } +#if defined(WIFI_DIRECT_SUPPORT) +#if LINUX_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION + if (priv->bss_type == MLAN_BSS_TYPE_WIFIDIRECT && + priv->scan_request->n_ssids) { + if (!memcmp(scan_req.ssid_list[i - 1].ssid, "DIRECT-", 7)) { + /* Enable wildcard ssid scan */ + memcpy(scan_req.ssid_list[i].ssid, "DIRECT-*", 8); + scan_req.ssid_list[i].max_len = 0xff; + } + } +#endif +#endif + 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 = MLAN_SCAN_TYPE_PASSIVE; + else + scan_req.chan_list[i].scan_type = MLAN_SCAN_TYPE_ACTIVE; + scan_req.chan_list[i].scan_time = 0; + } + if (priv->scan_request->ie && priv->scan_request->ie_len) { + if (MLAN_STATUS_SUCCESS != + woal_cfg80211_mgmt_frame_ie(priv, NULL, 0, + NULL, 0, NULL, 0, + (t_u8 *) priv->scan_request->ie, + priv->scan_request->ie_len, + MGMT_MASK_PROBE_REQ)) { + ret = -EFAULT; + goto done; + } + } else { + /** Clear SCAN IE in Firmware */ + woal_cfg80211_mgmt_frame_ie(priv, NULL, 0, NULL, 0, NULL, 0, NULL, 0, + MGMT_MASK_PROBE_REQ); + } + if (MLAN_STATUS_SUCCESS != woal_do_scan(priv, &scan_req)) { + ret = -EAGAIN; + } + done: + LEAVE(); + return 0; +} + +/** + * @brief Request the driver to connect to the ESS with + * the specified parameters from kernel + * + * @param wiphy A pointer to wiphy structure + * @param dev A pointer to net_device structure + * @param sme A pointer to cfg80211_connect_params structure + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_connect_params *sme) +{ + moal_private *priv = (moal_private *) woal_get_netdev_priv(dev); + int ret = 0; + + ENTER(); + + PRINTM(MINFO, "Received association request on %s\n", dev->name); + + if (priv->wdev->iftype != NL80211_IFTYPE_STATION +#if defined(WIFI_DIRECT_SUPPORT) +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37) || defined(COMPAT_WIRELESS) + && priv->wdev->iftype != NL80211_IFTYPE_P2P_CLIENT +#endif /* KERNEL_VERSION */ +#endif /* WIFI_DIRECT_SUPPORT && V14_FEATURE */ + ) { + PRINTM(MERROR, "Received infra assoc request " + "when station not in infra mode\n"); + LEAVE(); + return -EINVAL; + } +#if defined(WIFI_DIRECT_SUPPORT) +#if LINUX_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION + if (priv->bss_type == MLAN_BSS_TYPE_WIFIDIRECT + && (priv->wdev->iftype == NL80211_IFTYPE_STATION + || priv->wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) { + /* if bsstype == wifi direct, and iftype == station or p2p client, that + means wpa_supplicant wants to enable wifi direct functionality, so + we should init p2p client. Note that due to kernel iftype check, + ICS wpa_supplicant could not updaet iftype to init p2p client, so + we have to done it here. */ + if (MLAN_STATUS_SUCCESS != woal_cfg80211_init_p2p_client(priv)) { + PRINTM(MERROR, "Init p2p client for wpa_supplicant failed.\n"); + ret = -EFAULT; + + LEAVE(); + return ret; + } + } +#endif +#endif + + if (priv->scan_type == MLAN_SCAN_TYPE_PASSIVE) + woal_set_scan_type(priv, MLAN_SCAN_TYPE_ACTIVE); + ret = woal_cfg80211_assoc(priv, (void *) sme); + + if (priv->scan_type == MLAN_SCAN_TYPE_PASSIVE) + woal_set_scan_type(priv, MLAN_SCAN_TYPE_PASSIVE); + + if (!ret) { + cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, + NULL, 0, WLAN_STATUS_SUCCESS, GFP_KERNEL); + PRINTM(MINFO, "Associated to bssid %pM successfully\n", + priv->cfg_bssid); + } else { + PRINTM(MINFO, "Association to bssid %pM failed\n", priv->cfg_bssid); + cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, + NULL, 0, WLAN_STATUS_UNSPECIFIED_FAILURE, + GFP_KERNEL); + memset(priv->cfg_bssid, 0, ETH_ALEN); + } + + LEAVE(); + return ret; +} + +/** + * @brief Request the driver to disconnect + * + * @param wiphy A pointer to wiphy structure + * @param dev A pointer to net_device structure + * @param reason_code Reason code + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, + t_u16 reason_code) +{ + moal_private *priv = (moal_private *) woal_get_netdev_priv(dev); + + ENTER(); + PRINTM(MINFO, "Received disassociation request on %s\n", dev->name); + + if (priv->cfg_disconnect) { + PRINTM(MERROR, "Disassociation already in progress\n"); + LEAVE(); + return -EBUSY; + } + + if (priv->media_connected == MFALSE) { + LEAVE(); + return -EINVAL; + } + + priv->cfg_disconnect = 1; + + if (woal_disconnect(priv, MOAL_IOCTL_WAIT, priv->cfg_bssid) != + MLAN_STATUS_SUCCESS) { + LEAVE(); + return -EFAULT; + } + + PRINTM(MINFO, "Successfully disconnected from %pM: Reason code %d\n", + priv->cfg_bssid, reason_code); + + memset(priv->cfg_bssid, 0, ETH_ALEN); + + LEAVE(); + return 0; +} + +/** + * @brief Request the driver to get the station information + * + * @param wiphy A pointer to wiphy structure + * @param dev A pointer to net_device structure + * @param mac MAC address of the station + * @param sinfo A pointer to station_info structure + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_get_station(struct wiphy *wiphy, + struct net_device *dev, + t_u8 * mac, struct station_info *sinfo) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + moal_private *priv = (moal_private *) woal_get_netdev_priv(dev); + + ENTER(); + +#if defined(WIFI_DIRECT_SUPPORT) +#if LINUX_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION + if (GET_BSS_ROLE(priv) == MLAN_BSS_ROLE_UAP) { + LEAVE(); + return woal_uap_cfg80211_get_station(wiphy, dev, mac, sinfo); + } +#endif +#endif + if (priv->media_connected == MFALSE) { + PRINTM(MINFO, "cfg80211: Media not connected!\n"); + LEAVE(); + return -ENOENT; + } + if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) { + PRINTM(MINFO, "cfg80211: Request not for this station!\n"); + LEAVE(); + return -ENOENT; + } + + if (MLAN_STATUS_SUCCESS != woal_cfg80211_dump_station_info(priv, sinfo)) { + PRINTM(MERROR, "cfg80211: Failed to get station info\n"); + ret = -EFAULT; + } + + LEAVE(); + return ret; +} + +/** + * @brief Request the driver to dump the station information + * + * @param wiphy A pointer to wiphy structure + * @param dev A pointer to net_device structure + * @param idx Station index + * @param mac MAC address of the station + * @param sinfo A pointer to station_info structure + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_dump_station(struct wiphy *wiphy, + struct net_device *dev, int idx, + t_u8 * mac, struct station_info *sinfo) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + moal_private *priv = (moal_private *) woal_get_netdev_priv(dev); + + ENTER(); + + if (!priv->media_connected || idx != 0) { + PRINTM(MINFO, "cfg80211: Media not connected or" + " not for this station!\n"); + LEAVE(); + return -ENOENT; + } + + memcpy(mac, priv->cfg_bssid, ETH_ALEN); + + if (MLAN_STATUS_SUCCESS != woal_cfg80211_dump_station_info(priv, sinfo)) { + PRINTM(MERROR, "cfg80211: Failed to get station info\n"); + ret = -EFAULT; + } + + LEAVE(); + return ret; +} + +/** + * @brief Request the driver to Join the specified + * IBSS (or create if necessary) + * + * @param wiphy A pointer to wiphy structure + * @param dev A pointer to net_device structure + * @param params A pointer to cfg80211_ibss_params structure + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, + struct cfg80211_ibss_params *params) +{ + moal_private *priv = (moal_private *) woal_get_netdev_priv(dev); + int ret = 0; + + ENTER(); + + if (priv->wdev->iftype != NL80211_IFTYPE_ADHOC) { + PRINTM(MERROR, "Request IBSS join received " + "when station not in ibss mode\n"); + LEAVE(); + return -EINVAL; + } + + ret = woal_cfg80211_assoc(priv, (void *) params); + + if (!ret) { + cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL); + PRINTM(MINFO, "Joined/created adhoc network with bssid" + " %pM successfully\n", priv->cfg_bssid); + } else { + PRINTM(MINFO, "Failed creating/joining adhoc network\n"); + memset(priv->cfg_bssid, 0, ETH_ALEN); + } + + LEAVE(); + return ret; +} + +/** + * @brief Request the driver to leave the IBSS + * + * @param wiphy A pointer to wiphy structure + * @param dev A pointer to net_device structure + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) +{ + moal_private *priv = (moal_private *) woal_get_netdev_priv(dev); + + ENTER(); + + if (priv->cfg_disconnect) { + PRINTM(MERROR, "IBSS leave already in progress\n"); + LEAVE(); + return -EBUSY; + } + + if (priv->media_connected == MFALSE) { + LEAVE(); + return -EINVAL; + } + + priv->cfg_disconnect = 1; + + PRINTM(MINFO, "Leaving from IBSS %pM\n", priv->cfg_bssid); + if (woal_disconnect(priv, MOAL_IOCTL_WAIT, priv->cfg_bssid) != + MLAN_STATUS_SUCCESS) { + LEAVE(); + return -EFAULT; + } + + memset(priv->cfg_bssid, 0, ETH_ALEN); + + LEAVE(); + return 0; +} + +/** + * @brief Request the driver to change the IEEE power save + * mdoe + * + * @param wiphy A pointer to wiphy structure + * @param dev A pointer to net_device structure + * @param enabled Enable or disable + * @param timeout Timeout value + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_set_power_mgmt(struct wiphy *wiphy, + struct net_device *dev, bool enabled, int timeout) +{ + int ret = 0, disabled; + moal_private *priv = (moal_private *) woal_get_netdev_priv(dev); + + ENTER(); + + if (enabled) + disabled = 0; + else + disabled = 1; + + if (MLAN_STATUS_SUCCESS != + woal_set_get_power_mgmt(priv, MLAN_ACT_SET, &disabled, timeout)) { + ret = -EOPNOTSUPP; + } + + LEAVE(); + return ret; +} + +/** + * @brief Request the driver to change the transmit power + * + * @param wiphy A pointer to wiphy structure + * @param type TX power adjustment type + * @param dbm TX power in dbm + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_set_tx_power(struct wiphy *wiphy, +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36) && !defined(COMPAT_WIRELESS) + enum tx_power_setting type, +#else + enum nl80211_tx_power_setting type, +#endif + int dbm) +{ + int ret = 0; + moal_private *priv = (moal_private *) woal_get_wiphy_priv(wiphy); + mlan_power_cfg_t power_cfg; + + ENTER(); + + if (!priv) { + PRINTM(MFATAL, "Unable to get priv in %s()\n", __FUNCTION__); + LEAVE(); + return -EFAULT; + } + + if (type) { + power_cfg.is_power_auto = 0; + power_cfg.power_level = dbm; + } else + power_cfg.is_power_auto = 1; + + if (MLAN_STATUS_SUCCESS != + woal_set_get_tx_power(priv, MLAN_ACT_SET, &power_cfg)) + ret = -EFAULT; + + LEAVE(); + return ret; +} + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35) || defined(COMPAT_WIRELESS) +/** + * CFG802.11 operation handler for connection quality monitoring. + * + * @param wiphy A pointer to wiphy structure + * @param dev A pointer to net_device structure + * @param rssi_thold rssi threshold + * @param rssi_hyst rssi hysteresis + */ +static int +woal_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, + struct net_device *dev, + s32 rssi_thold, u32 rssi_hyst) +{ + moal_private *priv = (moal_private *) woal_get_netdev_priv(dev); + ENTER(); + priv->cqm_rssi_thold = rssi_thold; + priv->cqm_rssi_hyst = rssi_hyst; + + PRINTM(MIOCTL, "rssi_thold=%d rssi_hyst=%d\n", + (int) rssi_thold, (int) rssi_hyst); + woal_set_rssi_threshold(priv, 0); + LEAVE(); + return 0; +} +#endif + +/** + * @brief Sets up the CFG802.11 specific HT capability fields + * with default values + * + * @param ht_info A pointer to ieee80211_sta_ht_cap structure + * @param dev_cap Device capability informations + * @param mcs_set Device MCS sets + * + * @return N/A + */ +static void +woal_cfg80211_setup_sta_ht_cap(struct ieee80211_sta_ht_cap *ht_info, + t_u32 dev_cap, t_u8 * mcs_set) +{ + ENTER(); + + ht_info->ht_supported = true; + ht_info->ampdu_factor = 0x3; + ht_info->ampdu_density = 0x6; + + memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); + ht_info->cap = 0; + if (mcs_set) + memcpy(ht_info->mcs.rx_mask, mcs_set, sizeof(ht_info->mcs.rx_mask)); + if (dev_cap & MBIT(8)) /* 40Mhz intolarance enabled */ + ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; + if (dev_cap & MBIT(17)) /* Channel width 20/40Mhz support */ + ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; + if ((dev_cap >> 20) & 0x03) /* Delayed ACK supported */ + ht_info->cap |= IEEE80211_HT_CAP_DELAY_BA; + if (dev_cap & MBIT(22)) /* Rx LDPC supported */ + ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; + if (dev_cap & MBIT(23)) /* Short GI @ 20Mhz supported */ + ht_info->cap |= IEEE80211_HT_CAP_SGI_20; + if (dev_cap & MBIT(24)) /* Short GI @ 40Mhz supported */ + ht_info->cap |= IEEE80211_HT_CAP_SGI_40; + if (dev_cap & MBIT(25)) /* Tx STBC supported */ + ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; + if (dev_cap & MBIT(26)) /* Rx STBC supported */ + ht_info->cap |= IEEE80211_HT_CAP_RX_STBC; + if (dev_cap & MBIT(27)) /* MIMO PS supported */ + ht_info->cap |= IEEE80211_HT_CAP_SM_PS; + if (dev_cap & MBIT(29)) /* Green field supported */ + ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; + if (dev_cap & MBIT(31)) /* MAX AMSDU supported */ + ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU; + ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; + + LEAVE(); +} + +#if defined(WIFI_DIRECT_SUPPORT) +#if LINUX_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION +/** + * @brief remain on channel config + * + * @param priv A pointer to moal_private structure + * @param wait_option Wait option + * @param cancel cancel remain on channel flag + * @param status A pointer to status, success, in process or reject + * @param chan A pointer to ieee80211_channel structure + * @param channel_type channel_type, + * @param duration Duration wait to receive frame + * + * @return 0 -- success, otherwise fail + */ +int +woal_cfg80211_remain_on_channel_cfg(moal_private * priv, + t_u8 wait_option, t_u8 remove, + t_u8 * status, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type, + t_u32 duration) +{ + mlan_ds_remain_chan chan_cfg; + int ret = 0; + + ENTER(); + memset(&chan_cfg, 0, sizeof(mlan_ds_remain_chan)); + if (remove) { + chan_cfg.remove = MTRUE; + } else { + if (chan->band == IEEE80211_BAND_2GHZ) + chan_cfg.bandcfg = 0; + else if (chan->band == IEEE80211_BAND_5GHZ) + chan_cfg.bandcfg = 1; + switch (channel_type) { + case NL80211_CHAN_HT40MINUS: + chan_cfg.bandcfg |= SEC_CHANNEL_BELOW; + break; + case NL80211_CHAN_HT40PLUS: + chan_cfg.bandcfg |= SEC_CHANNEL_ABOVE; + break; + + case NL80211_CHAN_NO_HT: + case NL80211_CHAN_HT20: + default: + break; + } + chan_cfg.channel = ieee80211_frequency_to_channel(chan->center_freq); + chan_cfg.remain_period = duration; + } + if (MLAN_STATUS_SUCCESS == + woal_set_remain_channel_ioctl(priv, wait_option, &chan_cfg)) + *status = chan_cfg.status; + else + ret = -EFAULT; + LEAVE(); + return ret; +} + +/** + * @brief tx mgmt frame + * + * @param wiphy A pointer to wiphy structure + * @param dev A pointer to net_device structure + * @param cookie A pointer to frame cookie + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, + struct net_device *dev, u64 cookie) +{ + moal_private *priv = (moal_private *) woal_get_netdev_priv(dev); + int ret = 0; + t_u8 status = 1; + + ENTER(); + + if (priv->phandle->remain_on_channel) { + if (woal_cfg80211_remain_on_channel_cfg(priv, + MOAL_IOCTL_WAIT, MTRUE, &status, + NULL, 0, 0)) { + PRINTM(MERROR, "Fail to cancel remain on channel\n"); + ret = -EFAULT; + goto done; + } + if (priv->phandle->cookie) { + cfg80211_remain_on_channel_expired(priv->netdev, + priv->phandle->cookie, + &priv->phandle->chan, + priv->phandle->channel_type, + GFP_ATOMIC); + priv->phandle->cookie = 0; + } + priv->phandle->remain_on_channel = MFALSE; + } + + done: + LEAVE(); + return ret; +} + +/** + * @brief Make chip remain on channel + * + * @param wiphy A pointer to wiphy structure + * @param dev A pointer to net_device structure + * @param chan A pointer to ieee80211_channel structure + * @param channel_type Channel type + * @param duration Duration for timer + * @param cookie A pointer to timer cookie + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_remain_on_channel(struct wiphy *wiphy, + struct net_device *dev, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type, + unsigned int duration, u64 * cookie) +{ + moal_private *priv = (moal_private *) woal_get_netdev_priv(dev); + int ret = 0; + t_u8 status = 1; + + ENTER(); + + if (!chan || !cookie) { + PRINTM(MERROR, "Invalid parameter for remain on channel\n"); + ret = -EFAULT; + goto done; + } + /** cancel previous remain on channel */ + if (priv->phandle->remain_on_channel) { + if (woal_cfg80211_remain_on_channel_cfg(priv, + MOAL_IOCTL_WAIT, MTRUE, &status, + NULL, 0, 0)) { + PRINTM(MERROR, "Fail to cancel remain on channel\n"); + ret = -EFAULT; + goto done; + } + priv->phandle->cookie = 0; + priv->phandle->remain_on_channel = MFALSE; + } + if (MLAN_STATUS_SUCCESS != + woal_cfg80211_remain_on_channel_cfg(priv, MOAL_IOCTL_WAIT, + MFALSE, &status, chan, channel_type, + (t_u32) duration)) { + ret = -EFAULT; + goto done; + } + if (status == 0) { + /* remain on channel operation success */ + /* we need update the value cookie */ + *cookie = (u64) random32() | 1; + priv->phandle->remain_on_channel = MTRUE; + priv->phandle->cookie = *cookie; + priv->phandle->channel_type = channel_type; + memcpy(&priv->phandle->chan, chan, sizeof(struct ieee80211_channel)); + cfg80211_ready_on_channel(dev, *cookie, chan, + channel_type, duration, GFP_KERNEL); + PRINTM(MIOCTL, "Set remain on Channel: channel=%d cookie = %#llx\n", + ieee80211_frequency_to_channel(chan->center_freq), + priv->phandle->cookie); + } + + done: + LEAVE(); + return ret; +} + +/** + * @brief Cancel remain on channel + * + * @param wiphy A pointer to wiphy structure + * @param dev A pointer to net_device structure + * @param cookie A pointer to timer cookie + * + * @return 0 -- success, otherwise fail + */ +static int +woal_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, + struct net_device *dev, u64 cookie) +{ + moal_private *priv = (moal_private *) woal_get_netdev_priv(dev); + int ret = 0; + t_u8 status = 1; + + ENTER(); + PRINTM(MIOCTL, "Cancel remain on Channel: cookie = %#llx\n", cookie); + if (woal_cfg80211_remain_on_channel_cfg(priv, + MOAL_IOCTL_WAIT, MTRUE, &status, + NULL, 0, 0)) { + PRINTM(MERROR, "Fail to cancel remain on channel\n"); + ret = -EFAULT; + goto done; + } + + priv->phandle->remain_on_channel = MFALSE; + if (priv->phandle->cookie) + priv->phandle->cookie = 0; + done: + LEAVE(); + return ret; +} +#endif /* KERNEL_VERSION */ +#endif /* WIFI_DIRECT_SUPPORT && V14_FEATURE */ + +/** + * @brief Initialize the wiphy + * + * @param priv A pointer to moal_private structure + * @param wait_option Wait option + * + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +mlan_status +woal_cfg80211_sta_init_wiphy(moal_private * priv, t_u8 wait_option) +{ + int retry_count, rts_thr, frag_thr, disabled; + struct wiphy *wiphy = NULL; + mlan_ioctl_req *req = NULL; + mlan_ds_11n_cfg *cfg_11n = NULL; + t_u32 hw_dev_cap; + + ENTER(); + + if (priv->wdev) + wiphy = priv->wdev->wiphy; + else { + PRINTM(MERROR, "Invalid parameter when init wiphy.\n"); + goto done; + } + + /* Get 11n tx parameters from MLAN */ + req = woal_alloc_mlan_ioctl_req(sizeof(mlan_ds_11n_cfg)); + if (req == NULL) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + cfg_11n = (mlan_ds_11n_cfg *) req->pbuf; + cfg_11n->sub_command = MLAN_OID_11N_HTCAP_CFG; + req->req_id = MLAN_IOCTL_11N_CFG; + req->action = MLAN_ACT_GET; + cfg_11n->param.htcap_cfg.hw_cap_req = MTRUE; + + if (MLAN_STATUS_SUCCESS != woal_request_ioctl(priv, req, wait_option)) { + kfree(req); + LEAVE(); + return MLAN_STATUS_FAILURE; + } + hw_dev_cap = cfg_11n->param.htcap_cfg.htcap; + + /* Get supported MCS sets */ + memset(req->pbuf, 0, sizeof(mlan_ds_11n_cfg)); + cfg_11n->sub_command = MLAN_OID_11N_CFG_SUPPORTED_MCS_SET; + req->req_id = MLAN_IOCTL_11N_CFG; + req->action = MLAN_ACT_GET; + + if (MLAN_STATUS_SUCCESS != woal_request_ioctl(priv, req, wait_option)) { + kfree(req); + LEAVE(); + return MLAN_STATUS_FAILURE; + } + + /* Initialize parameters for 2GHz and 5GHz bands */ + woal_cfg80211_setup_sta_ht_cap(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, + hw_dev_cap, + cfg_11n->param.supported_mcs_set); + /* For 2.4G band only card, this shouldn't be set + woal_cfg80211_setup_sta_ht_cap(&wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, + hw_dev_cap, cfg_11n->param.supported_mcs_set); */ + if (req) + kfree(req); + + /* Set retry limit count to wiphy */ + if (MLAN_STATUS_SUCCESS != + woal_set_get_retry(priv, MLAN_ACT_GET, wait_option, &retry_count)) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + wiphy->retry_long = (t_u8) retry_count; + wiphy->retry_short = (t_u8) retry_count; + wiphy->max_scan_ie_len = MAX_IE_SIZE; + +#if defined(WIFI_DIRECT_SUPPORT) +#if LINUX_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION + /* we should add mgmt_stypes for both STA & Wifi Direct, while only + initialize duration_timer for Wifi Direct */ + wiphy->mgmt_stypes = ieee80211_mgmt_stypes; + wiphy->max_remain_on_channel_duration = MAX_REMAIN_ON_CHANNEL_DURATION; +#endif /* KERNEL_VERSION */ +#endif /* WIFI_DIRECT_SUPPORT && V14_FEATURE */ + + /* Set RTS threshold to wiphy */ + if (MLAN_STATUS_SUCCESS != + woal_set_get_rts(priv, MLAN_ACT_GET, wait_option, &rts_thr)) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + if (rts_thr < MLAN_RTS_MIN_VALUE || rts_thr > MLAN_RTS_MAX_VALUE) + rts_thr = MLAN_FRAG_RTS_DISABLED; + wiphy->rts_threshold = (t_u32) rts_thr; + + /* Set fragment threshold to wiphy */ + if (MLAN_STATUS_SUCCESS != + woal_set_get_frag(priv, MLAN_ACT_GET, wait_option, &frag_thr)) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + if (frag_thr < MLAN_RTS_MIN_VALUE || frag_thr > MLAN_RTS_MAX_VALUE) + frag_thr = MLAN_FRAG_RTS_DISABLED; + wiphy->frag_threshold = (t_u32) frag_thr; + + /* Get IEEE power save mode */ + if (MLAN_STATUS_SUCCESS != woal_set_get_power_mgmt(priv, + MLAN_ACT_GET, &disabled, + 0)) { + LEAVE(); + return MLAN_STATUS_FAILURE; + } + /* Save the IEEE power save mode to wiphy, because after warmreset wiphy + power save should be updated instead of using the last saved + configuration */ + if (disabled) + priv->wdev->ps = MFALSE; + else + priv->wdev->ps = MTRUE; + + done: + LEAVE(); + return MLAN_STATUS_SUCCESS; +} + +/** + * @brief Register the device with cfg80211 + * + * @param dev A pointer to net_device structure + * @param bss_type BSS type + * + * @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE + */ +mlan_status +woal_register_sta_cfg80211(struct net_device * dev, t_u8 bss_type) +{ + mlan_status ret = MLAN_STATUS_SUCCESS; + moal_private *priv = (moal_private *) netdev_priv(dev); + void *wdev_priv = NULL; + struct wireless_dev *wdev = NULL; + mlan_fw_info fw_info; + + ENTER(); + + /* Allocate wireless device */ + wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); + if (!wdev) { + PRINTM(MERROR, "Could not allocate wireless device\n"); + ret = MLAN_STATUS_FAILURE; + goto err_wdev; + } + + if (bss_type == MLAN_BSS_TYPE_STA) + /* Allocate wiphy */ + wdev->wiphy = wiphy_new(&woal_cfg80211_sta_ops, sizeof(moal_private *)); +#if defined(WIFI_DIRECT_SUPPORT) +#if LINUX_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION + else if (bss_type == MLAN_BSS_TYPE_WIFIDIRECT) + /* Allocate wiphy */ + wdev->wiphy = + wiphy_new(&woal_cfg80211_wifi_direct_ops, sizeof(moal_private *)); +#endif +#endif + else { + PRINTM(MERROR, "Unexpected bss_type when register cfg80211\n"); + ret = MLAN_STATUS_FAILURE; + goto err_wdev; + } + + if (!wdev->wiphy) { + PRINTM(MERROR, "Could not allocate wiphy device\n"); + ret = MLAN_STATUS_FAILURE; + goto err_wdev; + } + if (bss_type == MLAN_BSS_TYPE_STA) { + wdev->iftype = NL80211_IFTYPE_STATION; + wdev->wiphy->interface_modes = + MBIT(NL80211_IFTYPE_STATION) | MBIT(NL80211_IFTYPE_ADHOC); + wdev->wiphy->max_scan_ssids = 10; + } +#if defined(WIFI_DIRECT_SUPPORT) +#if LINUX_VERSION_CODE >= WIFI_DIRECT_KERNEL_VERSION + if (bss_type == MLAN_BSS_TYPE_WIFIDIRECT) { + wdev->iftype = NL80211_IFTYPE_STATION; + wdev->wiphy->interface_modes = MBIT(NL80211_IFTYPE_STATION) | + MBIT(NL80211_IFTYPE_P2P_GO) | + MBIT(NL80211_IFTYPE_P2P_CLIENT) | + MBIT(NL80211_IFTYPE_ADHOC) | MBIT(NL80211_IFTYPE_AP) | + MBIT(NL80211_IFTYPE_MONITOR); + wdev->wiphy->max_scan_ssids = 10; + } +#endif +#endif + + /* Set phy name like net device name */ + dev_set_name(&wdev->wiphy->dev, dev->name); + + /* Make this wiphy known to this driver only */ + wdev->wiphy->privid = mrvl_wiphy_privid; + + /* Supported bands */ + wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &cfg80211_band_2ghz; + if (MLAN_STATUS_SUCCESS == + woal_request_get_fw_info(priv, MOAL_CMD_WAIT, &fw_info)) { + if (fw_info.fw_bands & BAND_A) + wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &cfg80211_band_5ghz; + } + /* Initialize cipher suits */ + wdev->wiphy->cipher_suites = cfg80211_cipher_suites; + wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cfg80211_cipher_suites); + + wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + + /* We are using custom domains */ + wdev->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY; + + wdev->wiphy->reg_notifier = woal_cfg80211_reg_notifier; + + /* Set moal_private pointer in wiphy_priv */ + wdev_priv = wiphy_priv(wdev->wiphy); + + *(unsigned long *) wdev_priv = (unsigned long) priv; + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39) || defined(COMPAT_WIRELESS) + set_wiphy_dev(wdev->wiphy, (struct device *) priv->phandle->hotplug_device); +#endif + + if (wiphy_register(wdev->wiphy) < 0) { + PRINTM(MERROR, "Wiphy device registration failed!\n"); + ret = MLAN_STATUS_FAILURE; + goto err_wdev; + } + + dev_net_set(dev, wiphy_net(wdev->wiphy)); + dev->ieee80211_ptr = wdev; + SET_NETDEV_DEV(dev, wiphy_dev(wdev->wiphy)); + priv->wdev = wdev; + + if (ret != MLAN_STATUS_SUCCESS) { + PRINTM(MERROR, "Wiphy device registration failed!\n"); + } else { + PRINTM(MINFO, "Successfully registered wiphy device\n"); + LEAVE(); + return ret; + } + + wiphy_unregister(wdev->wiphy); + err_wdev: + dev->ieee80211_ptr = NULL; + if (wdev && wdev->wiphy) + wiphy_free(wdev->wiphy); + kfree(wdev); + LEAVE(); + return ret; +} |