From 81476f11b68c1728d9f7df319dbd696148ae657a Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 25 Feb 2020 13:15:33 +0100 Subject: [PATCH] mt76: mt7615: fix antenna mask initialization in DBDC mode Update wiphy available antenna mask, and fix chainmask setting on 3x3 hardware Signed-off-by: Felix Fietkau --- mt7615/init.c | 4 ++++ mt7615/main.c | 8 +++++++- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/mt7615/init.c b/mt7615/init.c index d0672de72..60f33418a 100644 --- a/mt7615/init.c +++ b/mt7615/init.c @@ -356,6 +356,8 @@ mt7615_cap_dbdc_enable(struct mt7615_dev *dev) else dev->mphy.antenna_mask = dev->chainmask >> 1; dev->phy.chainmask = dev->mphy.antenna_mask; + dev->mphy.hw->wiphy->available_antennas_rx = dev->phy.chainmask; + dev->mphy.hw->wiphy->available_antennas_tx = dev->phy.chainmask; mt76_set_stream_caps(&dev->mt76, true); } @@ -367,6 +369,8 @@ mt7615_cap_dbdc_disable(struct mt7615_dev *dev) IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ; dev->mphy.antenna_mask = dev->chainmask; dev->phy.chainmask = dev->chainmask; + dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask; + dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask; mt76_set_stream_caps(&dev->mt76, true); } diff --git a/mt7615/main.c b/mt7615/main.c index 26af9df67..8f5da5290 100644 --- a/mt7615/main.c +++ b/mt7615/main.c @@ -685,7 +685,13 @@ mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) mutex_lock(&dev->mt76.mutex); phy->mt76->antenna_mask = tx_ant; - phy->chainmask = ext_phy ? tx_ant << 2 : tx_ant; + if (ext_phy) { + if (dev->chainmask == 0xf) + tx_ant <<= 2; + else + tx_ant <<= 1; + } + phy->chainmask = tx_ant; mt76_set_stream_caps(&dev->mt76, true);