/* * This function sets up the CFG802.11 specific HT capability fields * with default values. * * The following default values are set - * - HT Supported = True * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE * - HT Capabilities supported by firmware * - MCS information, Rx mask = 0xff * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) */ static void mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, struct mwifiex_private *priv) { int rx_mcs_supp; struct ieee80211_mcs_info mcs_set; u8 *mcs = (u8 *)&mcs_set; struct mwifiex_adapter *adapter = priv->adapter; ht_info->ht_supported = true; ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); /* Fill HT capability information */ if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; else ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= IEEE80211_HT_CAP_SGI_20; else ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= IEEE80211_HT_CAP_SGI_40; else ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; else ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT); if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; else ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; ht_info->cap |= IEEE80211_HT_CAP_SM_PS; rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support); /* Set MCS for 1x1 */ memset(mcs, 0xff, rx_mcs_supp); /* Clear all the other values */ memset(&mcs[rx_mcs_supp], 0, sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); if (priv->bss_mode == NL80211_IFTYPE_STATION || ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ SETHT_MCS32(mcs_set.rx_mask); memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; }
/* * This function prepares command for ad-hoc start. * * Driver will fill up SSID, BSS mode, IBSS parameters, physical * parameters, probe delay, and capability information. Firmware * will fill up beacon period, basic rates and operational rates. * * In addition, the following TLVs are added - * - Channel TLV * - Vendor specific IE * - WPA/WPA2 IE * - HT Capabilities IE * - HT Information IE * * Preparation also includes - * - Setting command ID and proper size * - Ensuring correct endian-ness */ int mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv, struct host_cmd_ds_command *cmd, struct mwifiex_802_11_ssid *req_ssid) { int rsn_ie_len = 0; struct mwifiex_adapter *adapter = priv->adapter; struct host_cmd_ds_802_11_ad_hoc_start *adhoc_start = &cmd->params.adhoc_start; struct mwifiex_bssdescriptor *bss_desc; u32 cmd_append_size = 0; u32 i; u16 tmp_cap; uint16_t ht_cap_info; struct mwifiex_ie_types_chan_list_param_set *chan_tlv; struct mwifiex_ie_types_htcap *ht_cap; struct mwifiex_ie_types_htinfo *ht_info; u8 *pos = (u8 *) adhoc_start + sizeof(struct host_cmd_ds_802_11_ad_hoc_start); if (!adapter) return -1; cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START); bss_desc = &priv->curr_bss_params.bss_descriptor; priv->attempted_bss_desc = bss_desc; /* * Fill in the parameters for 2 data structures: * 1. struct host_cmd_ds_802_11_ad_hoc_start command * 2. bss_desc * Driver will fill up SSID, bss_mode,IBSS param, Physical Param, * probe delay, and Cap info. * Firmware will fill up beacon period, Basic rates * and operational rates. */ memset(adhoc_start->ssid, 0, IEEE80211_MAX_SSID_LEN); memcpy(adhoc_start->ssid, req_ssid->ssid, req_ssid->ssid_len); dev_dbg(adapter->dev, "info: ADHOC_S_CMD: SSID = %s\n", adhoc_start->ssid); memset(bss_desc->ssid.ssid, 0, IEEE80211_MAX_SSID_LEN); memcpy(bss_desc->ssid.ssid, req_ssid->ssid, req_ssid->ssid_len); bss_desc->ssid.ssid_len = req_ssid->ssid_len; /* Set the BSS mode */ adhoc_start->bss_mode = HostCmd_BSS_MODE_IBSS; bss_desc->bss_mode = NL80211_IFTYPE_ADHOC; adhoc_start->beacon_period = cpu_to_le16(priv->beacon_period); bss_desc->beacon_period = priv->beacon_period; /* Set Physical param set */ /* Parameter IE Id */ #define DS_PARA_IE_ID 3 /* Parameter IE length */ #define DS_PARA_IE_LEN 1 adhoc_start->phy_param_set.ds_param_set.element_id = DS_PARA_IE_ID; adhoc_start->phy_param_set.ds_param_set.len = DS_PARA_IE_LEN; if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211 (priv, adapter->adhoc_start_band, (u16) priv->adhoc_channel)) { struct mwifiex_chan_freq_power *cfp; cfp = mwifiex_get_cfp_by_band_and_channel_from_cfg80211(priv, adapter->adhoc_start_band, FIRST_VALID_CHANNEL); if (cfp) priv->adhoc_channel = (u8) cfp->channel; } if (!priv->adhoc_channel) { dev_err(adapter->dev, "ADHOC_S_CMD: adhoc_channel cannot be 0\n"); return -1; } dev_dbg(adapter->dev, "info: ADHOC_S_CMD: creating ADHOC on channel %d\n", priv->adhoc_channel); priv->curr_bss_params.bss_descriptor.channel = priv->adhoc_channel; priv->curr_bss_params.band = adapter->adhoc_start_band; bss_desc->channel = priv->adhoc_channel; adhoc_start->phy_param_set.ds_param_set.current_chan = priv->adhoc_channel; memcpy(&bss_desc->phy_param_set, &adhoc_start->phy_param_set, sizeof(union ieee_types_phy_param_set)); /* Set IBSS param set */ /* IBSS parameter IE Id */ #define IBSS_PARA_IE_ID 6 /* IBSS parameter IE length */ #define IBSS_PARA_IE_LEN 2 adhoc_start->ss_param_set.ibss_param_set.element_id = IBSS_PARA_IE_ID; adhoc_start->ss_param_set.ibss_param_set.len = IBSS_PARA_IE_LEN; adhoc_start->ss_param_set.ibss_param_set.atim_window = cpu_to_le16(priv->atim_window); memcpy(&bss_desc->ss_param_set, &adhoc_start->ss_param_set, sizeof(union ieee_types_ss_param_set)); /* Set Capability info */ bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_IBSS; tmp_cap = le16_to_cpu(adhoc_start->cap_info_bitmap); tmp_cap &= ~WLAN_CAPABILITY_ESS; tmp_cap |= WLAN_CAPABILITY_IBSS; /* Set up privacy in bss_desc */ if (priv->sec_info.encryption_mode) { /* Ad-Hoc capability privacy on */ dev_dbg(adapter->dev, "info: ADHOC_S_CMD: wep_status set privacy to WEP\n"); bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP; tmp_cap |= WLAN_CAPABILITY_PRIVACY; } else { dev_dbg(adapter->dev, "info: ADHOC_S_CMD: wep_status NOT set," " setting privacy to ACCEPT ALL\n"); bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL; } memset(adhoc_start->DataRate, 0, sizeof(adhoc_start->DataRate)); mwifiex_get_active_data_rates(priv, adhoc_start->DataRate); if ((adapter->adhoc_start_band & BAND_G) && (priv->curr_pkt_filter & HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON)) { if (mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL, HostCmd_ACT_GEN_SET, 0, &priv->curr_pkt_filter)) { dev_err(adapter->dev, "ADHOC_S_CMD: G Protection config failed\n"); return -1; } } /* Find the last non zero */ for (i = 0; i < sizeof(adhoc_start->DataRate) && adhoc_start->DataRate[i]; i++) ; priv->curr_bss_params.num_of_rates = i; /* Copy the ad-hoc creating rates into Current BSS rate structure */ memcpy(&priv->curr_bss_params.data_rates, &adhoc_start->DataRate, priv->curr_bss_params.num_of_rates); dev_dbg(adapter->dev, "info: ADHOC_S_CMD: rates=%02x %02x %02x %02x\n", adhoc_start->DataRate[0], adhoc_start->DataRate[1], adhoc_start->DataRate[2], adhoc_start->DataRate[3]); dev_dbg(adapter->dev, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n"); if (IS_SUPPORT_MULTI_BANDS(adapter)) { /* Append a channel TLV */ chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos; chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST); chan_tlv->header.len = cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set)); memset(chan_tlv->chan_scan_param, 0x00, sizeof(struct mwifiex_chan_scan_param_set)); chan_tlv->chan_scan_param[0].chan_number = (u8) priv->curr_bss_params.bss_descriptor.channel; dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Chan = %d\n", chan_tlv->chan_scan_param[0].chan_number); chan_tlv->chan_scan_param[0].radio_type = mwifiex_band_to_radio_type(priv->curr_bss_params.band); if (adapter->adhoc_start_band & BAND_GN || adapter->adhoc_start_band & BAND_AN) { if (adapter->chan_offset == SEC_CHANNEL_ABOVE) chan_tlv->chan_scan_param[0].radio_type |= SECOND_CHANNEL_ABOVE; else if (adapter->chan_offset == SEC_CHANNEL_BELOW) chan_tlv->chan_scan_param[0].radio_type |= SECOND_CHANNEL_BELOW; } dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Band = %d\n", chan_tlv->chan_scan_param[0].radio_type); pos += sizeof(chan_tlv->header) + sizeof(struct mwifiex_chan_scan_param_set); cmd_append_size += sizeof(chan_tlv->header) + sizeof(struct mwifiex_chan_scan_param_set); } /* Append vendor specific IE TLV */ cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv, MWIFIEX_VSIE_MASK_ADHOC, &pos); if (priv->sec_info.wpa_enabled) { rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos); if (rsn_ie_len == -1) return -1; cmd_append_size += rsn_ie_len; } if (adapter->adhoc_11n_enabled) { { ht_cap = (struct mwifiex_ie_types_htcap *) pos; memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap)); ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY); ht_cap->header.len = cpu_to_le16(sizeof(struct ieee80211_ht_cap)); ht_cap_info = le16_to_cpu(ht_cap->ht_cap.cap_info); ht_cap_info |= IEEE80211_HT_CAP_SGI_20; if (adapter->chan_offset) { ht_cap_info |= IEEE80211_HT_CAP_SGI_40; ht_cap_info |= IEEE80211_HT_CAP_DSSSCCK40; ht_cap_info |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; SETHT_MCS32(ht_cap->ht_cap.mcs.rx_mask); } ht_cap->ht_cap.ampdu_params_info = IEEE80211_HT_MAX_AMPDU_64K; ht_cap->ht_cap.mcs.rx_mask[0] = 0xff; pos += sizeof(struct mwifiex_ie_types_htcap); cmd_append_size += sizeof(struct mwifiex_ie_types_htcap); } { ht_info = (struct mwifiex_ie_types_htinfo *) pos; memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo)); ht_info->header.type = cpu_to_le16(WLAN_EID_HT_INFORMATION); ht_info->header.len = cpu_to_le16(sizeof(struct ieee80211_ht_info)); ht_info->ht_info.control_chan = (u8) priv->curr_bss_params.bss_descriptor. channel; if (adapter->chan_offset) { ht_info->ht_info.ht_param = adapter->chan_offset; ht_info->ht_info.ht_param |= IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; } ht_info->ht_info.operation_mode = cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); ht_info->ht_info.basic_set[0] = 0xff; pos += sizeof(struct mwifiex_ie_types_htinfo); cmd_append_size += sizeof(struct mwifiex_ie_types_htinfo); } } cmd->size = cpu_to_le16((u16) (sizeof(struct host_cmd_ds_802_11_ad_hoc_start) + S_DS_GEN + cmd_append_size)); if (adapter->adhoc_start_band == BAND_B) tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME; else tmp_cap |= WLAN_CAPABILITY_SHORT_SLOT_TIME; adhoc_start->cap_info_bitmap = cpu_to_le16(tmp_cap); return 0; }
/** * @brief This function fills the cap info * * @param priv A pointer to mlan_private structure * @param pht_cap A pointer to MrvlIETypes_HTCap_t structure * * @return N/A */ void wlan_fill_cap_info(mlan_private * priv, MrvlIETypes_HTCap_t * pht_cap) { mlan_adapter *pmadapter = priv->adapter; int rx_mcs_supp; ENTER(); if (ISSUPP_CHANWIDTH40(pmadapter->hw_dot_11n_dev_cap) && ISSUPP_CHANWIDTH40(pmadapter->usr_dot_11n_dev_cap)) SETHT_SUPPCHANWIDTH(pht_cap->ht_cap.ht_cap_info); else RESETHT_SUPPCHANWIDTH(pht_cap->ht_cap.ht_cap_info); if (ISSUPP_GREENFIELD(pmadapter->hw_dot_11n_dev_cap) && ISSUPP_GREENFIELD(pmadapter->usr_dot_11n_dev_cap)) SETHT_GREENFIELD(pht_cap->ht_cap.ht_cap_info); else RESETHT_GREENFIELD(pht_cap->ht_cap.ht_cap_info); if (ISSUPP_SHORTGI20(pmadapter->hw_dot_11n_dev_cap) && ISSUPP_SHORTGI20(pmadapter->usr_dot_11n_dev_cap)) SETHT_SHORTGI20(pht_cap->ht_cap.ht_cap_info); else RESETHT_SHORTGI20(pht_cap->ht_cap.ht_cap_info); if (ISSUPP_SHORTGI40(pmadapter->hw_dot_11n_dev_cap) && ISSUPP_SHORTGI40(pmadapter->usr_dot_11n_dev_cap)) SETHT_SHORTGI40(pht_cap->ht_cap.ht_cap_info); else RESETHT_SHORTGI40(pht_cap->ht_cap.ht_cap_info); /* No user config for RX STBC yet */ if (ISSUPP_RXSTBC(pmadapter->hw_dot_11n_dev_cap) && ISSUPP_RXSTBC(pmadapter->usr_dot_11n_dev_cap)) SETHT_RXSTBC(pht_cap->ht_cap.ht_cap_info, 1); else RESETHT_RXSTBC(pht_cap->ht_cap.ht_cap_info); /* No user config for TX STBC yet */ if (ISSUPP_TXSTBC(pmadapter->hw_dot_11n_dev_cap)) SETHT_TXSTBC(pht_cap->ht_cap.ht_cap_info); else RESETHT_TXSTBC(pht_cap->ht_cap.ht_cap_info); /* No user config for Delayed BACK yet */ if (GET_DELAYEDBACK(pmadapter->hw_dot_11n_dev_cap)) SETHT_DELAYEDBACK(pht_cap->ht_cap.ht_cap_info); else RESETHT_DELAYEDBACK(pht_cap->ht_cap.ht_cap_info); if (ISENABLED_40MHZ_INTOLARENT(pmadapter->usr_dot_11n_dev_cap)) SETHT_40MHZ_INTOLARANT(pht_cap->ht_cap.ht_cap_info); else RESETHT_40MHZ_INTOLARANT(pht_cap->ht_cap.ht_cap_info); SETAMPDU_SIZE(pht_cap->ht_cap.ampdu_param, AMPDU_FACTOR_64K); SETAMPDU_SPACING(pht_cap->ht_cap.ampdu_param, 0); /* Need change to support 8k AMSDU receive */ RESETHT_MAXAMSDU(pht_cap->ht_cap.ht_cap_info); rx_mcs_supp = GET_RXMCSSUPP(pmadapter->hw_dev_mcs_support); /** Maximum MCS */ #define NUM_MCS_FIELD 16 /* Set MCS for 1x1 */ memset(pmadapter, (t_u8 *) pht_cap->ht_cap.supported_mcs_set, 0xff, rx_mcs_supp); /* Clear all the other values */ memset(pmadapter, (t_u8 *) & pht_cap->ht_cap.supported_mcs_set[rx_mcs_supp], 0, NUM_MCS_FIELD - rx_mcs_supp); if (priv->bss_mode == MLAN_BSS_MODE_INFRA || (ISSUPP_CHANWIDTH40(pmadapter->hw_dot_11n_dev_cap) && ISSUPP_CHANWIDTH40(pmadapter->usr_dot_11n_dev_cap))) /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ SETHT_MCS32(pht_cap->ht_cap.supported_mcs_set); /* Clear RD responder bit */ RESETHT_EXTCAP_RDG(pht_cap->ht_cap.ht_ext_cap); LEAVE(); }