/*
* 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();
}
