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mt76: mt7915: limit minimum twt duration

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The minimum twt duration supported by mt7915 is 64 according to hardware
design. Reply station with TWT_SETUP_CMD_DICTATE if min_twt_dur smaller
than 64.

Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Peter Chiu
2022-05-05 16:25:54 +08:00
committed by Felix Fietkau
parent c088eb38e6
commit 4ebcff04d3
2 changed files with 7 additions and 0 deletions
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6
drivers/net/wireless/mediatek/mt76/mt7915/mac.c
View File

@@ -2654,6 +2654,12 @@ void mt7915_mac_add_twt_setup(struct ieee80211_hw *hw,
if (hweight8(msta->twt.flowid_mask) == ARRAY_SIZE(msta->twt.flow))
goto unlock;
if (twt_agrt->min_twt_dur < MT7915_MIN_TWT_DUR) {
setup_cmd = TWT_SETUP_CMD_DICTATE;
twt_agrt->min_twt_dur = MT7915_MIN_TWT_DUR;
goto unlock;
}
flowid = ffs(~msta->twt.flowid_mask) - 1;
le16p_replace_bits(&twt_agrt->req_type, flowid,
IEEE80211_TWT_REQTYPE_FLOWID);

1
drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
View File

@@ -66,6 +66,7 @@
#define MT7915_MAX_TWT_AGRT 16
#define MT7915_MAX_STA_TWT_AGRT 8
#define MT7915_MIN_TWT_DUR 64
#define MT7915_MAX_QUEUE (__MT_RXQ_MAX + __MT_MCUQ_MAX + 2)
struct mt7915_vif;