diff options
Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/uap_cmd.c')
| -rw-r--r-- | drivers/net/wireless/marvell/mwifiex/uap_cmd.c | 885 |
1 files changed, 885 insertions, 0 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/uap_cmd.c b/drivers/net/wireless/marvell/mwifiex/uap_cmd.c new file mode 100644 index 000000000000..e791166d90c4 --- /dev/null +++ b/drivers/net/wireless/marvell/mwifiex/uap_cmd.c @@ -0,0 +1,885 @@ +/* + * Marvell Wireless LAN device driver: AP specific command handling + * + * Copyright (C) 2012-2014, 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 "main.h" +#include "11ac.h" + +/* This function parses security related parameters from cfg80211_ap_settings + * and sets into FW understandable bss_config structure. + */ +int mwifiex_set_secure_params(struct mwifiex_private *priv, + struct mwifiex_uap_bss_param *bss_config, + struct cfg80211_ap_settings *params) { + int i; + struct mwifiex_wep_key wep_key; + + if (!params->privacy) { + bss_config->protocol = PROTOCOL_NO_SECURITY; + bss_config->key_mgmt = KEY_MGMT_NONE; + bss_config->wpa_cfg.length = 0; + priv->sec_info.wep_enabled = 0; + priv->sec_info.wpa_enabled = 0; + priv->sec_info.wpa2_enabled = 0; + + return 0; + } + + switch (params->auth_type) { + case NL80211_AUTHTYPE_OPEN_SYSTEM: + bss_config->auth_mode = WLAN_AUTH_OPEN; + break; + case NL80211_AUTHTYPE_SHARED_KEY: + bss_config->auth_mode = WLAN_AUTH_SHARED_KEY; + break; + case NL80211_AUTHTYPE_NETWORK_EAP: + bss_config->auth_mode = WLAN_AUTH_LEAP; + break; + default: + bss_config->auth_mode = MWIFIEX_AUTH_MODE_AUTO; + break; + } + + bss_config->key_mgmt_operation |= KEY_MGMT_ON_HOST; + + for (i = 0; i < params->crypto.n_akm_suites; i++) { + switch (params->crypto.akm_suites[i]) { + case WLAN_AKM_SUITE_8021X: + if (params->crypto.wpa_versions & + NL80211_WPA_VERSION_1) { + bss_config->protocol = PROTOCOL_WPA; + bss_config->key_mgmt = KEY_MGMT_EAP; + } + if (params->crypto.wpa_versions & + NL80211_WPA_VERSION_2) { + bss_config->protocol |= PROTOCOL_WPA2; + bss_config->key_mgmt = KEY_MGMT_EAP; + } + break; + case WLAN_AKM_SUITE_PSK: + if (params->crypto.wpa_versions & + NL80211_WPA_VERSION_1) { + bss_config->protocol = PROTOCOL_WPA; + bss_config->key_mgmt = KEY_MGMT_PSK; + } + if (params->crypto.wpa_versions & + NL80211_WPA_VERSION_2) { + bss_config->protocol |= PROTOCOL_WPA2; + bss_config->key_mgmt = KEY_MGMT_PSK; + } + break; + default: + break; + } + } + for (i = 0; i < params->crypto.n_ciphers_pairwise; i++) { + switch (params->crypto.ciphers_pairwise[i]) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + break; + case WLAN_CIPHER_SUITE_TKIP: + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) + bss_config->wpa_cfg.pairwise_cipher_wpa |= + CIPHER_TKIP; + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) + bss_config->wpa_cfg.pairwise_cipher_wpa2 |= + CIPHER_TKIP; + break; + case WLAN_CIPHER_SUITE_CCMP: + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_1) + bss_config->wpa_cfg.pairwise_cipher_wpa |= + CIPHER_AES_CCMP; + if (params->crypto.wpa_versions & NL80211_WPA_VERSION_2) + bss_config->wpa_cfg.pairwise_cipher_wpa2 |= + CIPHER_AES_CCMP; + default: + break; + } + } + + switch (params->crypto.cipher_group) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + if (priv->sec_info.wep_enabled) { + bss_config->protocol = PROTOCOL_STATIC_WEP; + bss_config->key_mgmt = KEY_MGMT_NONE; + bss_config->wpa_cfg.length = 0; + + for (i = 0; i < NUM_WEP_KEYS; i++) { + wep_key = priv->wep_key[i]; + bss_config->wep_cfg[i].key_index = i; + + if (priv->wep_key_curr_index == i) + bss_config->wep_cfg[i].is_default = 1; + else + bss_config->wep_cfg[i].is_default = 0; + + bss_config->wep_cfg[i].length = + wep_key.key_length; + memcpy(&bss_config->wep_cfg[i].key, + &wep_key.key_material, + wep_key.key_length); + } + } + break; + case WLAN_CIPHER_SUITE_TKIP: + bss_config->wpa_cfg.group_cipher = CIPHER_TKIP; + break; + case WLAN_CIPHER_SUITE_CCMP: + bss_config->wpa_cfg.group_cipher = CIPHER_AES_CCMP; + break; + default: + break; + } + + return 0; +} + +/* This function updates 11n related parameters from IE and sets them into + * bss_config structure. + */ +void +mwifiex_set_ht_params(struct mwifiex_private *priv, + struct mwifiex_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + const u8 *ht_ie; + u16 cap_info; + + if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info)) + return; + + ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail, + params->beacon.tail_len); + if (ht_ie) { + memcpy(&bss_cfg->ht_cap, ht_ie + 2, + sizeof(struct ieee80211_ht_cap)); + cap_info = le16_to_cpu(bss_cfg->ht_cap.cap_info); + memset(&bss_cfg->ht_cap.mcs, 0, + priv->adapter->number_of_antenna); + switch (GET_RXSTBC(cap_info)) { + case MWIFIEX_RX_STBC1: + /* HT_CAP 1X1 mode */ + bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff; + break; + case MWIFIEX_RX_STBC12: /* fall through */ + case MWIFIEX_RX_STBC123: + /* HT_CAP 2X2 mode */ + bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff; + bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff; + break; + default: + mwifiex_dbg(priv->adapter, WARN, + "Unsupported RX-STBC, default to 2x2\n"); + bss_cfg->ht_cap.mcs.rx_mask[0] = 0xff; + bss_cfg->ht_cap.mcs.rx_mask[1] = 0xff; + break; + } + priv->ap_11n_enabled = 1; + } else { + memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap)); + bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP); + bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU; + } + + return; +} + +/* This function updates 11ac related parameters from IE + * and sets them into bss_config structure. + */ +void mwifiex_set_vht_params(struct mwifiex_private *priv, + struct mwifiex_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + const u8 *vht_ie; + + vht_ie = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, params->beacon.tail, + params->beacon.tail_len); + if (vht_ie) { + memcpy(&bss_cfg->vht_cap, vht_ie + 2, + sizeof(struct ieee80211_vht_cap)); + priv->ap_11ac_enabled = 1; + } else { + priv->ap_11ac_enabled = 0; + } + + return; +} + +/* This function updates 11ac related parameters from IE + * and sets them into bss_config structure. + */ +void mwifiex_set_tpc_params(struct mwifiex_private *priv, + struct mwifiex_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + const u8 *tpc_ie; + + tpc_ie = cfg80211_find_ie(WLAN_EID_TPC_REQUEST, params->beacon.tail, + params->beacon.tail_len); + if (tpc_ie) + bss_cfg->power_constraint = *(tpc_ie + 2); + else + bss_cfg->power_constraint = 0; +} + +/* Enable VHT only when cfg80211_ap_settings has VHT IE. + * Otherwise disable VHT. + */ +void mwifiex_set_vht_width(struct mwifiex_private *priv, + enum nl80211_chan_width width, + bool ap_11ac_enable) +{ + struct mwifiex_adapter *adapter = priv->adapter; + struct mwifiex_11ac_vht_cfg vht_cfg; + + vht_cfg.band_config = VHT_CFG_5GHZ; + vht_cfg.cap_info = adapter->hw_dot_11ac_dev_cap; + + if (!ap_11ac_enable) { + vht_cfg.mcs_tx_set = DISABLE_VHT_MCS_SET; + vht_cfg.mcs_rx_set = DISABLE_VHT_MCS_SET; + } else { + vht_cfg.mcs_tx_set = DEFAULT_VHT_MCS_SET; + vht_cfg.mcs_rx_set = DEFAULT_VHT_MCS_SET; + } + + vht_cfg.misc_config = VHT_CAP_UAP_ONLY; + + if (ap_11ac_enable && width >= NL80211_CHAN_WIDTH_80) + vht_cfg.misc_config |= VHT_BW_80_160_80P80; + + mwifiex_send_cmd(priv, HostCmd_CMD_11AC_CFG, + HostCmd_ACT_GEN_SET, 0, &vht_cfg, true); + + return; +} + +/* This function finds supported rates IE from beacon parameter and sets + * these rates into bss_config structure. + */ +void +mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + struct ieee_types_header *rate_ie; + int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable); + const u8 *var_pos = params->beacon.head + var_offset; + int len = params->beacon.head_len - var_offset; + u8 rate_len = 0; + + rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len); + if (rate_ie) { + memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len); + rate_len = rate_ie->len; + } + + rate_ie = (void *)cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, + params->beacon.tail, + params->beacon.tail_len); + if (rate_ie) + memcpy(bss_cfg->rates + rate_len, rate_ie + 1, rate_ie->len); + + return; +} + +/* This function initializes some of mwifiex_uap_bss_param variables. + * This helps FW in ignoring invalid values. These values may or may not + * be get updated to valid ones at later stage. + */ +void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config) +{ + config->bcast_ssid_ctl = 0x7F; + config->radio_ctl = 0x7F; + config->dtim_period = 0x7F; + config->beacon_period = 0x7FFF; + config->auth_mode = 0x7F; + config->rts_threshold = 0x7FFF; + config->frag_threshold = 0x7FFF; + config->retry_limit = 0x7F; + config->qos_info = 0xFF; +} + +/* This function parses BSS related parameters from structure + * and prepares TLVs specific to WPA/WPA2 security. + * These TLVs are appended to command buffer. + */ +static void +mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size) +{ + struct host_cmd_tlv_pwk_cipher *pwk_cipher; + struct host_cmd_tlv_gwk_cipher *gwk_cipher; + struct host_cmd_tlv_passphrase *passphrase; + struct host_cmd_tlv_akmp *tlv_akmp; + struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; + u16 cmd_size = *param_size; + u8 *tlv = *tlv_buf; + + tlv_akmp = (struct host_cmd_tlv_akmp *)tlv; + tlv_akmp->header.type = cpu_to_le16(TLV_TYPE_UAP_AKMP); + tlv_akmp->header.len = cpu_to_le16(sizeof(struct host_cmd_tlv_akmp) - + sizeof(struct mwifiex_ie_types_header)); + tlv_akmp->key_mgmt_operation = cpu_to_le16(bss_cfg->key_mgmt_operation); + tlv_akmp->key_mgmt = cpu_to_le16(bss_cfg->key_mgmt); + cmd_size += sizeof(struct host_cmd_tlv_akmp); + tlv += sizeof(struct host_cmd_tlv_akmp); + + if (bss_cfg->wpa_cfg.pairwise_cipher_wpa & VALID_CIPHER_BITMAP) { + pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; + pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); + pwk_cipher->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) - + sizeof(struct mwifiex_ie_types_header)); + pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA); + pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa; + cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); + tlv += sizeof(struct host_cmd_tlv_pwk_cipher); + } + + if (bss_cfg->wpa_cfg.pairwise_cipher_wpa2 & VALID_CIPHER_BITMAP) { + pwk_cipher = (struct host_cmd_tlv_pwk_cipher *)tlv; + pwk_cipher->header.type = cpu_to_le16(TLV_TYPE_PWK_CIPHER); + pwk_cipher->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_pwk_cipher) - + sizeof(struct mwifiex_ie_types_header)); + pwk_cipher->proto = cpu_to_le16(PROTOCOL_WPA2); + pwk_cipher->cipher = bss_cfg->wpa_cfg.pairwise_cipher_wpa2; + cmd_size += sizeof(struct host_cmd_tlv_pwk_cipher); + tlv += sizeof(struct host_cmd_tlv_pwk_cipher); + } + + if (bss_cfg->wpa_cfg.group_cipher & VALID_CIPHER_BITMAP) { + gwk_cipher = (struct host_cmd_tlv_gwk_cipher *)tlv; + gwk_cipher->header.type = cpu_to_le16(TLV_TYPE_GWK_CIPHER); + gwk_cipher->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_gwk_cipher) - + sizeof(struct mwifiex_ie_types_header)); + gwk_cipher->cipher = bss_cfg->wpa_cfg.group_cipher; + cmd_size += sizeof(struct host_cmd_tlv_gwk_cipher); + tlv += sizeof(struct host_cmd_tlv_gwk_cipher); + } + + if (bss_cfg->wpa_cfg.length) { + passphrase = (struct host_cmd_tlv_passphrase *)tlv; + passphrase->header.type = + cpu_to_le16(TLV_TYPE_UAP_WPA_PASSPHRASE); + passphrase->header.len = cpu_to_le16(bss_cfg->wpa_cfg.length); + memcpy(passphrase->passphrase, bss_cfg->wpa_cfg.passphrase, + bss_cfg->wpa_cfg.length); + cmd_size += sizeof(struct mwifiex_ie_types_header) + + bss_cfg->wpa_cfg.length; + tlv += sizeof(struct mwifiex_ie_types_header) + + bss_cfg->wpa_cfg.length; + } + + *param_size = cmd_size; + *tlv_buf = tlv; + + return; +} + +/* This function parses WMM related parameters from cfg80211_ap_settings + * structure and updates bss_config structure. + */ +void +mwifiex_set_wmm_params(struct mwifiex_private *priv, + struct mwifiex_uap_bss_param *bss_cfg, + struct cfg80211_ap_settings *params) +{ + const u8 *vendor_ie; + struct ieee_types_header *wmm_ie; + u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02}; + + vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WMM, + params->beacon.tail, + params->beacon.tail_len); + if (vendor_ie) { + wmm_ie = (struct ieee_types_header *)vendor_ie; + memcpy(&bss_cfg->wmm_info, wmm_ie + 1, + sizeof(bss_cfg->wmm_info)); + priv->wmm_enabled = 1; + } else { + memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info)); + memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui)); + bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE; + bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION; + priv->wmm_enabled = 0; + } + + bss_cfg->qos_info = 0x00; + return; +} +/* This function parses BSS related parameters from structure + * and prepares TLVs specific to WEP encryption. + * These TLVs are appended to command buffer. + */ +static void +mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size) +{ + struct host_cmd_tlv_wep_key *wep_key; + u16 cmd_size = *param_size; + int i; + u8 *tlv = *tlv_buf; + struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; + + for (i = 0; i < NUM_WEP_KEYS; i++) { + if (bss_cfg->wep_cfg[i].length && + (bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP40 || + bss_cfg->wep_cfg[i].length == WLAN_KEY_LEN_WEP104)) { + wep_key = (struct host_cmd_tlv_wep_key *)tlv; + wep_key->header.type = + cpu_to_le16(TLV_TYPE_UAP_WEP_KEY); + wep_key->header.len = + cpu_to_le16(bss_cfg->wep_cfg[i].length + 2); + wep_key->key_index = bss_cfg->wep_cfg[i].key_index; + wep_key->is_default = bss_cfg->wep_cfg[i].is_default; + memcpy(wep_key->key, bss_cfg->wep_cfg[i].key, + bss_cfg->wep_cfg[i].length); + cmd_size += sizeof(struct mwifiex_ie_types_header) + 2 + + bss_cfg->wep_cfg[i].length; + tlv += sizeof(struct mwifiex_ie_types_header) + 2 + + bss_cfg->wep_cfg[i].length; + } + } + + *param_size = cmd_size; + *tlv_buf = tlv; + + return; +} + +/* This function parses BSS related parameters from structure + * and prepares TLVs. These TLVs are appended to command buffer. +*/ +static int +mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) +{ + struct host_cmd_tlv_dtim_period *dtim_period; + struct host_cmd_tlv_beacon_period *beacon_period; + struct host_cmd_tlv_ssid *ssid; + struct host_cmd_tlv_bcast_ssid *bcast_ssid; + struct host_cmd_tlv_channel_band *chan_band; + struct host_cmd_tlv_frag_threshold *frag_threshold; + struct host_cmd_tlv_rts_threshold *rts_threshold; + struct host_cmd_tlv_retry_limit *retry_limit; + struct host_cmd_tlv_encrypt_protocol *encrypt_protocol; + struct host_cmd_tlv_auth_type *auth_type; + struct host_cmd_tlv_rates *tlv_rates; + struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer; + struct host_cmd_tlv_power_constraint *pwr_ct; + struct mwifiex_ie_types_htcap *htcap; + struct mwifiex_ie_types_wmmcap *wmm_cap; + struct mwifiex_uap_bss_param *bss_cfg = cmd_buf; + int i; + u16 cmd_size = *param_size; + + if (bss_cfg->ssid.ssid_len) { + ssid = (struct host_cmd_tlv_ssid *)tlv; + ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_SSID); + ssid->header.len = cpu_to_le16((u16)bss_cfg->ssid.ssid_len); + memcpy(ssid->ssid, bss_cfg->ssid.ssid, bss_cfg->ssid.ssid_len); + cmd_size += sizeof(struct mwifiex_ie_types_header) + + bss_cfg->ssid.ssid_len; + tlv += sizeof(struct mwifiex_ie_types_header) + + bss_cfg->ssid.ssid_len; + + bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv; + bcast_ssid->header.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID); + bcast_ssid->header.len = + cpu_to_le16(sizeof(bcast_ssid->bcast_ctl)); + bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl; + cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid); + tlv += sizeof(struct host_cmd_tlv_bcast_ssid); + } + if (bss_cfg->rates[0]) { + tlv_rates = (struct host_cmd_tlv_rates *)tlv; + tlv_rates->header.type = cpu_to_le16(TLV_TYPE_UAP_RATES); + + for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i]; + i++) + tlv_rates->rates[i] = bss_cfg->rates[i]; + + tlv_rates->header.len = cpu_to_le16(i); + cmd_size += sizeof(struct host_cmd_tlv_rates) + i; + tlv += sizeof(struct host_cmd_tlv_rates) + i; + } + if (bss_cfg->channel && + ((bss_cfg->band_cfg == BAND_CONFIG_BG && + bss_cfg->channel <= MAX_CHANNEL_BAND_BG) || + (bss_cfg->band_cfg == BAND_CONFIG_A && + bss_cfg->channel <= MAX_CHANNEL_BAND_A))) { + chan_band = (struct host_cmd_tlv_channel_band *)tlv; + chan_band->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST); + chan_band->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_channel_band) - + sizeof(struct mwifiex_ie_types_header)); + chan_band->band_config = bss_cfg->band_cfg; + chan_band->channel = bss_cfg->channel; + cmd_size += sizeof(struct host_cmd_tlv_channel_band); + tlv += sizeof(struct host_cmd_tlv_channel_band); + } + if (bss_cfg->beacon_period >= MIN_BEACON_PERIOD && + bss_cfg->beacon_period <= MAX_BEACON_PERIOD) { + beacon_period = (struct host_cmd_tlv_beacon_period *)tlv; + beacon_period->header.type = + cpu_to_le16(TLV_TYPE_UAP_BEACON_PERIOD); + beacon_period->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_beacon_period) - + sizeof(struct mwifiex_ie_types_header)); + beacon_period->period = cpu_to_le16(bss_cfg->beacon_period); + cmd_size += sizeof(struct host_cmd_tlv_beacon_period); + tlv += sizeof(struct host_cmd_tlv_beacon_period); + } + if (bss_cfg->dtim_period >= MIN_DTIM_PERIOD && + bss_cfg->dtim_period <= MAX_DTIM_PERIOD) { + dtim_period = (struct host_cmd_tlv_dtim_period *)tlv; + dtim_period->header.type = + cpu_to_le16(TLV_TYPE_UAP_DTIM_PERIOD); + dtim_period->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_dtim_period) - + sizeof(struct mwifiex_ie_types_header)); + dtim_period->period = bss_cfg->dtim_period; + cmd_size += sizeof(struct host_cmd_tlv_dtim_period); + tlv += sizeof(struct host_cmd_tlv_dtim_period); + } + if (bss_cfg->rts_threshold <= MWIFIEX_RTS_MAX_VALUE) { + rts_threshold = (struct host_cmd_tlv_rts_threshold *)tlv; + rts_threshold->header.type = + cpu_to_le16(TLV_TYPE_UAP_RTS_THRESHOLD); + rts_threshold->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_rts_threshold) - + sizeof(struct mwifiex_ie_types_header)); + rts_threshold->rts_thr = cpu_to_le16(bss_cfg->rts_threshold); + cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); + tlv += sizeof(struct host_cmd_tlv_frag_threshold); + } + if ((bss_cfg->frag_threshold >= MWIFIEX_FRAG_MIN_VALUE) && + (bss_cfg->frag_threshold <= MWIFIEX_FRAG_MAX_VALUE)) { + frag_threshold = (struct host_cmd_tlv_frag_threshold *)tlv; + frag_threshold->header.type = + cpu_to_le16(TLV_TYPE_UAP_FRAG_THRESHOLD); + frag_threshold->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_frag_threshold) - + sizeof(struct mwifiex_ie_types_header)); + frag_threshold->frag_thr = cpu_to_le16(bss_cfg->frag_threshold); + cmd_size += sizeof(struct host_cmd_tlv_frag_threshold); + tlv += sizeof(struct host_cmd_tlv_frag_threshold); + } + if (bss_cfg->retry_limit <= MWIFIEX_RETRY_LIMIT) { + retry_limit = (struct host_cmd_tlv_retry_limit *)tlv; + retry_limit->header.type = + cpu_to_le16(TLV_TYPE_UAP_RETRY_LIMIT); + retry_limit->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_retry_limit) - + sizeof(struct mwifiex_ie_types_header)); + retry_limit->limit = (u8)bss_cfg->retry_limit; + cmd_size += sizeof(struct host_cmd_tlv_retry_limit); + tlv += sizeof(struct host_cmd_tlv_retry_limit); + } + if ((bss_cfg->protocol & PROTOCOL_WPA) || + (bss_cfg->protocol & PROTOCOL_WPA2) || + (bss_cfg->protocol & PROTOCOL_EAP)) + mwifiex_uap_bss_wpa(&tlv, cmd_buf, &cmd_size); + else + mwifiex_uap_bss_wep(&tlv, cmd_buf, &cmd_size); + + if ((bss_cfg->auth_mode <= WLAN_AUTH_SHARED_KEY) || + (bss_cfg->auth_mode == MWIFIEX_AUTH_MODE_AUTO)) { + auth_type = (struct host_cmd_tlv_auth_type *)tlv; + auth_type->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE); + auth_type->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_auth_type) - + sizeof(struct mwifiex_ie_types_header)); + auth_type->auth_type = (u8)bss_cfg->auth_mode; + cmd_size += sizeof(struct host_cmd_tlv_auth_type); + tlv += sizeof(struct host_cmd_tlv_auth_type); + } + if (bss_cfg->protocol) { + encrypt_protocol = (struct host_cmd_tlv_encrypt_protocol *)tlv; + encrypt_protocol->header.type = + cpu_to_le16(TLV_TYPE_UAP_ENCRY_PROTOCOL); + encrypt_protocol->header.len = + cpu_to_le16(sizeof(struct host_cmd_tlv_encrypt_protocol) + - sizeof(struct mwifiex_ie_types_header)); + encrypt_protocol->proto = cpu_to_le16(bss_cfg->protocol); + cmd_size += sizeof(struct host_cmd_tlv_encrypt_protocol); + tlv += sizeof(struct host_cmd_tlv_encrypt_protocol); + } + + if (bss_cfg->ht_cap.cap_info) { + htcap = (struct mwifiex_ie_types_htcap *)tlv; + htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY); + htcap->header.len = + cpu_to_le16(sizeof(struct ieee80211_ht_cap)); + htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info; + htcap->ht_cap.ampdu_params_info = + bss_cfg->ht_cap.ampdu_params_info; + memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs, + sizeof(struct ieee80211_mcs_info)); + htcap->ht_cap.extended_ht_cap_info = + bss_cfg->ht_cap.extended_ht_cap_info; + htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info; + htcap->ht_cap.antenna_selection_info = + bss_cfg->ht_cap.antenna_selection_info; + cmd_size += sizeof(struct mwifiex_ie_types_htcap); + tlv += sizeof(struct mwifiex_ie_types_htcap); + } + + if (bss_cfg->wmm_info.qos_info != 0xFF) { + wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv; + wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC); + wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info)); + memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info, + sizeof(wmm_cap->wmm_info)); + cmd_size += sizeof(struct mwifiex_ie_types_wmmcap); + tlv += sizeof(struct mwifiex_ie_types_wmmcap); + } + + if (bss_cfg->sta_ao_timer) { + ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; + ao_timer->header.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER); + ao_timer->header.len = cpu_to_le16(sizeof(*ao_timer) - + sizeof(struct mwifiex_ie_types_header)); + ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer); + cmd_size += sizeof(*ao_timer); + tlv += sizeof(*ao_timer); + } + + if (bss_cfg->power_constraint) { + pwr_ct = (void *)tlv; + pwr_ct->header.type = cpu_to_le16(TLV_TYPE_PWR_CONSTRAINT); + pwr_ct->header.len = cpu_to_le16(sizeof(u8)); + pwr_ct->constraint = bss_cfg->power_constraint; + cmd_size += sizeof(*pwr_ct); + tlv += sizeof(*pwr_ct); + } + + if (bss_cfg->ps_sta_ao_timer) { + ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv; + ps_ao_timer->header.type = + cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER); + ps_ao_timer->header.len = cpu_to_le16(sizeof(*ps_ao_timer) - + sizeof(struct mwifiex_ie_types_header)); + ps_ao_timer->sta_ao_timer = + cpu_to_le32(bss_cfg->ps_sta_ao_timer); + cmd_size += sizeof(*ps_ao_timer); + tlv += sizeof(*ps_ao_timer); + } + + *param_size = cmd_size; + + return 0; +} + +/* This function parses custom IEs from IE list and prepares command buffer */ +static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size) +{ + struct mwifiex_ie_list *ap_ie = cmd_buf; + struct mwifiex_ie_types_header *tlv_ie = (void *)tlv; + + if (!ap_ie || !ap_ie->len || !ap_ie->ie_list) + return -1; + + *ie_size += le16_to_cpu(ap_ie->len) + + sizeof(struct mwifiex_ie_types_header); + + tlv_ie->type = cpu_to_le16(TLV_TYPE_MGMT_IE); + tlv_ie->len = ap_ie->len; + tlv += sizeof(struct mwifiex_ie_types_header); + + memcpy(tlv, ap_ie->ie_list, le16_to_cpu(ap_ie->len)); + + return 0; +} + +/* Parse AP config structure and prepare TLV based command structure + * to be sent to FW for uAP configuration + */ +static int +mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action, + u32 type, void *cmd_buf) +{ + u8 *tlv; + u16 cmd_size, param_size, ie_size; + struct host_cmd_ds_sys_config *sys_cfg; + + cmd->command = cpu_to_le16(HostCmd_CMD_UAP_SYS_CONFIG); + cmd_size = (u16)(sizeof(struct host_cmd_ds_sys_config) + S_DS_GEN); + sys_cfg = (struct host_cmd_ds_sys_config *)&cmd->params.uap_sys_config; + sys_cfg->action = cpu_to_le16(cmd_action); + tlv = sys_cfg->tlv; + + switch (type) { + case UAP_BSS_PARAMS_I: + param_size = cmd_size; + if (mwifiex_uap_bss_param_prepare(tlv, cmd_buf, ¶m_size)) + return -1; + cmd->size = cpu_to_le16(param_size); + break; + case UAP_CUSTOM_IE_I: + ie_size = cmd_size; + if (mwifiex_uap_custom_ie_prepare(tlv, cmd_buf, &ie_size)) + return -1; + cmd->size = cpu_to_le16(ie_size); + break; + default: + return -1; + } + + return 0; +} + +/* This function prepares AP specific deauth command with mac supplied in + * function parameter. + */ +static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv, + struct host_cmd_ds_command *cmd, u8 *mac) +{ + struct host_cmd_ds_sta_deauth *sta_deauth = &cmd->params.sta_deauth; + + cmd->command = cpu_to_le16(HostCmd_CMD_UAP_STA_DEAUTH); + memcpy(sta_deauth->mac, mac, ETH_ALEN); + sta_deauth->reason = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING); + + cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_sta_deauth) + + S_DS_GEN); + return 0; +} + +/* This function prepares the AP specific commands before sending them + * to the firmware. + * This is a generic function which calls specific command preparation + * routines based upon the command number. + */ +int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no, + u16 cmd_action, u32 type, + void *data_buf, void *cmd_buf) +{ + struct host_cmd_ds_command *cmd = cmd_buf; + + switch (cmd_no) { + case HostCmd_CMD_UAP_SYS_CONFIG: + if (mwifiex_cmd_uap_sys_config(cmd, cmd_action, type, data_buf)) + return -1; + break; + case HostCmd_CMD_UAP_BSS_START: + case HostCmd_CMD_UAP_BSS_STOP: + case HOST_CMD_APCMD_SYS_RESET: + case HOST_CMD_APCMD_STA_LIST: + cmd->command = cpu_to_le16(cmd_no); + cmd->size = cpu_to_le16(S_DS_GEN); + break; + case HostCmd_CMD_UAP_STA_DEAUTH: + if (mwifiex_cmd_uap_sta_deauth(priv, cmd, data_buf)) + return -1; + break; + case HostCmd_CMD_CHAN_REPORT_REQUEST: + if (mwifiex_cmd_issue_chan_report_request(priv, cmd_buf, + data_buf)) + return -1; + break; + default: + mwifiex_dbg(priv->adapter, ERROR, + "PREP_CMD: unknown cmd %#x\n", cmd_no); + return -1; + } + + return 0; +} + +void mwifiex_uap_set_channel(struct mwifiex_private *priv, + struct mwifiex_uap_bss_param *bss_cfg, + struct cfg80211_chan_def chandef) +{ + u8 config_bands = 0, old_bands = priv->adapter->config_bands; + + priv->bss_chandef = chandef; + + bss_cfg->channel = ieee80211_frequency_to_channel( + chandef.chan->center_freq); + + /* Set appropriate bands */ + if (chandef.chan->band == IEEE80211_BAND_2GHZ) { + bss_cfg->band_cfg = BAND_CONFIG_BG; + config_bands = BAND_B | BAND_G; + + if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT) + config_bands |= BAND_GN; + } else { + bss_cfg->band_cfg = BAND_CONFIG_A; + config_bands = BAND_A; + + if (chandef.width > NL80211_CHAN_WIDTH_20_NOHT) + config_bands |= BAND_AN; + + if (chandef.width > NL80211_CHAN_WIDTH_40) + config_bands |= BAND_AAC; + } + + priv->adapter->config_bands = config_bands; + + if (old_bands != config_bands) { + mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy); + mwifiex_dnld_txpwr_table(priv); + } +} + +int mwifiex_config_start_uap(struct mwifiex_private *priv, + struct mwifiex_uap_bss_param *bss_cfg) +{ + enum state_11d_t state_11d; + + if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, + HostCmd_ACT_GEN_SET, + UAP_BSS_PARAMS_I, bss_cfg, true)) { + mwifiex_dbg(priv->adapter, ERROR, + "Failed to set AP configuration\n"); + return -1; + } + + /* Send cmd to FW to enable 11D function */ + state_11d = ENABLE_11D; + if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, + HostCmd_ACT_GEN_SET, DOT11D_I, + &state_11d, true)) { + mwifiex_dbg(priv->adapter, ERROR, + "11D: failed to enable 11D\n"); + return -1; + } + + if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START, + HostCmd_ACT_GEN_SET, 0, NULL, true)) { + mwifiex_dbg(priv->adapter, ERROR, + "Failed to start the BSS\n"); + return -1; + } + + if (priv->sec_info.wep_enabled) + priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; + else + priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; + + if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL, + HostCmd_ACT_GEN_SET, 0, + &priv->curr_pkt_filter, true)) + return -1; + + return 0; +} |