[][MAC80211][misc][Add MT7996 external openwrt build]
[Description]
Add MT7996 external openwrt build
[Release-log]
N/A
Change-Id: I92f3abce893f401df64f7390f1783d4557963848
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6967021
diff --git a/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/patches/0001-wifi-mt76-mt7996-fix-chainmask-calculation-in-mt7996.patch b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/patches/0001-wifi-mt76-mt7996-fix-chainmask-calculation-in-mt7996.patch
new file mode 100644
index 0000000..dfc04e5
--- /dev/null
+++ b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/patches/0001-wifi-mt76-mt7996-fix-chainmask-calculation-in-mt7996.patch
@@ -0,0 +1,34 @@
+From 36dcb418d47fb74f7a5a6fb276ff2fee63f4533a Mon Sep 17 00:00:00 2001
+From: Shayne Chen <shayne.chen@mediatek.com>
+Date: Wed, 30 Nov 2022 23:18:03 +0800
+Subject: [PATCH 1/7] wifi: mt76: mt7996: fix chainmask calculation in
+ mt7996_set_antenna()
+
+Fix per-band chainmask when restoring from the dev chainmask.
+
+Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
+Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
+Change-Id: Idf607cfdfb342fd283d2911231262f0f74994360
+---
+ mt7996/main.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/mt7996/main.c b/mt7996/main.c
+index 4421cd5..c423b05 100644
+--- a/mt7996/main.c
++++ b/mt7996/main.c
+@@ -880,7 +880,10 @@ mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
+ phy->mt76->antenna_mask = tx_ant;
+
+ /* restore to the origin chainmask which might have auxiliary path */
+- if (hweight8(tx_ant) == max_nss)
++ if (hweight8(tx_ant) == max_nss && band_idx < MT_BAND2)
++ phy->mt76->chainmask = ((dev->chainmask >> shift) &
++ (BIT(dev->chainshift[band_idx + 1] - shift) - 1)) << shift;
++ else if (hweight8(tx_ant) == max_nss)
+ phy->mt76->chainmask = (dev->chainmask >> shift) << shift;
+ else
+ phy->mt76->chainmask = tx_ant << shift;
+--
+2.36.1
+