diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/cfg80211.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/cfg80211.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 2aeb97428669..6c57e832ae83 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -941,6 +941,42 @@ static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, return 0; } +static int +mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) +{ + struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); + struct mwifiex_private *priv = mwifiex_get_priv(adapter, + MWIFIEX_BSS_ROLE_ANY); + struct mwifiex_ds_ant_cfg ant_cfg; + + if (!tx_ant || !rx_ant) + return -EOPNOTSUPP; + + if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { + /* Not a MIMO chip. User should provide specific antenna number + * for Tx/Rx path or enable all antennas for diversity + */ + if (tx_ant != rx_ant) + return -EOPNOTSUPP; + + if ((tx_ant & (tx_ant - 1)) && + (tx_ant != BIT(adapter->number_of_antenna) - 1)) + return -EOPNOTSUPP; + + if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && + (priv->adapter->number_of_antenna > 1)) { + tx_ant = RF_ANTENNA_AUTO; + rx_ant = RF_ANTENNA_AUTO; + } + } + + ant_cfg.tx_ant = tx_ant; + ant_cfg.rx_ant = rx_ant; + + return mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_ANTENNA, + HostCmd_ACT_GEN_SET, 0, &ant_cfg); +} + /* cfg80211 operation handler for stop ap. * Function stops BSS running at uAP interface. */ @@ -1726,6 +1762,7 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = { .stop_ap = mwifiex_cfg80211_stop_ap, .change_beacon = mwifiex_cfg80211_change_beacon, .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, + .set_antenna = mwifiex_cfg80211_set_antenna, }; /* @@ -1778,6 +1815,9 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2; + wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; + wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; + /* Reserve space for mwifiex specific private data for BSS */ wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); |