| developer | 68e1eb2 | 2022-05-09 17:02:12 +0800 | [diff] [blame] | 1 | From 58706d81a82726f488cda771097f5586708b47f2 Mon Sep 17 00:00:00 2001 |
| 2 | From: Peter Chiu <chui-hao.chiu@mediatek.com> |
| 3 | Date: Tue, 12 Apr 2022 16:06:36 +0800 |
| 4 | Subject: [PATCH] mt76: mt7915: limit minimum twt duration due to hw limitation |
| 5 | |
| 6 | --- |
| 7 | mt7915/mac.c | 7 +++++++ |
| 8 | 1 file changed, 7 insertions(+) |
| 9 | |
| 10 | diff --git a/mt7915/mac.c b/mt7915/mac.c |
| 11 | index 925f5eb9..fd897fd5 100644 |
| 12 | --- a/mt7915/mac.c |
| 13 | +++ b/mt7915/mac.c |
| 14 | @@ -2698,6 +2698,7 @@ void mt7915_mac_add_twt_setup(struct ieee80211_hw *hw, |
| 15 | struct ieee80211_sta *sta, |
| 16 | struct ieee80211_twt_setup *twt) |
| 17 | { |
| 18 | +#define MT7915_MIN_TWT_DUR 64 |
| 19 | enum ieee80211_twt_setup_cmd setup_cmd = TWT_SETUP_CMD_REJECT; |
| 20 | struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv; |
| 21 | struct ieee80211_twt_params *twt_agrt = (void *)twt->params; |
| 22 | @@ -2719,6 +2720,12 @@ void mt7915_mac_add_twt_setup(struct ieee80211_hw *hw, |
| 23 | if (hweight8(msta->twt.flowid_mask) == ARRAY_SIZE(msta->twt.flow)) |
| 24 | goto unlock; |
| 25 | |
| 26 | + if (twt_agrt->min_twt_dur < MT7915_MIN_TWT_DUR) { |
| 27 | + setup_cmd = TWT_SETUP_CMD_DICTATE; |
| 28 | + twt_agrt->min_twt_dur = MT7915_MIN_TWT_DUR; |
| 29 | + goto unlock; |
| 30 | + } |
| 31 | + |
| 32 | flowid = ffs(~msta->twt.flowid_mask) - 1; |
| 33 | le16p_replace_bits(&twt_agrt->req_type, flowid, |
| 34 | IEEE80211_TWT_REQTYPE_FLOWID); |
| 35 | -- |
| 36 | 2.18.0 |
| 37 | |