mt76: mt7915: fix muar_idx in mt7915_mcu_alloc_sta_req()

stable inclusion
from stable-5.10.80
commit e27022647529f4d9d313bae8f175bd7ac83f02cf
bugzilla: 185821 https://gitee.com/openeuler/kernel/issues/I4L7CG

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=e27022647529f4d9d313bae8f175bd7ac83f02cf

--------------------------------

[ Upstream commit 161cc139 ]

For broadcast/multicast wcid, the muar_idx should be 0xe.

Fixes: e57b7901 ("mt76: add mac80211 driver for MT7915 PCIe-based chipsets")
Signed-off-by: NShayne Chen <shayne.chen@mediatek.com>
Signed-off-by: NFelix Fietkau <nbd@nbd.name>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Reviewed-by: NWeilong Chen <chenweilong@huawei.com>
Acked-by: NWeilong Chen <chenweilong@huawei.com>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

@@ -631,7 +631,7 @@ mt7915_mcu_alloc_sta_req(struct mt7915_dev *dev, struct mt7915_vif *mvif,
 		.bss_idx = mvif->idx,
 		.wlan_idx_lo = msta ? to_wcid_lo(msta->wcid.idx) : 0,
 		.wlan_idx_hi = msta ? to_wcid_hi(msta->wcid.idx) : 0,
-		.muar_idx = msta ? mvif->omac_idx : 0,
+		.muar_idx = msta && msta->wcid.sta ? mvif->omac_idx : 0xe,
 		.is_tlv_append = 1,
 	};
 	struct sk_buff *skb;