diff options
| author |   Yan-Hsuan Chuang <yhchuang@realtek.com> | 2020-04-10 18:09:50 +0800 |
|---|---|---|
| committer |   Kalle Valo <kvalo@codeaurora.org> | 2020-04-15 11:40:14 +0300 |
| commit | 297bcf8222f222fd7defead862de4b8e3ea0b08a (patch) | |
| tree | 5a45fc54ce53aec45df78178fa211fdbc427580d /drivers/net/wireless/realtek/rtw88/mac80211.c | |
| parent | rtw88: make rtw_chip_ops::set_antenna return int (diff) | |
| download | linux-dev-297bcf8222f222fd7defead862de4b8e3ea0b08a.tar.xz linux-dev-297bcf8222f222fd7defead862de4b8e3ea0b08a.zip | |
rtw88: add support for set/get antennas
User space program such as iw can set antenna mask for the device.
So add set antenna support by configure the trx mode.
This is useful for some tests want to see the output of different
antenna configuration (e.g. path A v.s. path B).
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200410100950.3199-3-yhchuang@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/mac80211.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/mac80211.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c index d7d02e4c0184..a2e6ef4ad9ee 100644 --- a/drivers/net/wireless/realtek/rtw88/mac80211.c +++ b/drivers/net/wireless/realtek/rtw88/mac80211.c @@ -754,6 +754,37 @@ static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, return 0; } +static int rtw_ops_set_antenna(struct ieee80211_hw *hw, + u32 tx_antenna, + u32 rx_antenna) +{ + struct rtw_dev *rtwdev = hw->priv; + struct rtw_chip_info *chip = rtwdev->chip; + int ret; + + if (!chip->ops->set_antenna) + return -EOPNOTSUPP; + + mutex_lock(&rtwdev->mutex); + ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna); + mutex_unlock(&rtwdev->mutex); + + return ret; +} + +static int rtw_ops_get_antenna(struct ieee80211_hw *hw, + u32 *tx_antenna, + u32 *rx_antenna) +{ + struct rtw_dev *rtwdev = hw->priv; + struct rtw_hal *hal = &rtwdev->hal; + + *tx_antenna = hal->antenna_tx; + *rx_antenna = hal->antenna_rx; + + return 0; +} + #ifdef CONFIG_PM static int rtw_ops_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) @@ -815,6 +846,8 @@ const struct ieee80211_ops rtw_ops = { .sta_statistics = rtw_ops_sta_statistics, .flush = rtw_ops_flush, .set_bitrate_mask = rtw_ops_set_bitrate_mask, + .set_antenna = rtw_ops_set_antenna, + .get_antenna = rtw_ops_get_antenna, #ifdef CONFIG_PM .suspend = rtw_ops_suspend, .resume = rtw_ops_resume, |