/* * 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; }
/** * @brief This function prints the 802.11n device MCS * * @param pmadapter A pointer to mlan_adapter structure * @param support Support value * * @return N/A */ void wlan_show_devmcssupport(pmlan_adapter pmadapter, t_u8 support) { ENTER(); PRINTM(MINFO, "GET_HW_SPEC: MCSs for %dx%d MIMO\n", GET_RXMCSSUPP(support), GET_TXMCSSUPP(support)); LEAVE(); return; }
/** * @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(); }