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wifi: mt76: mt7996: set specific BSSINFO and STAREC commands after channel switch

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After channel switch, some tags of BSSINFO (rfch) and STAREC (bfer,
rate_ctrl) commands should also be updated. Otherwise, a BSS might not be
able to transmit with its peer using correct bandwidth.

Co-developed-by: Shayne Chen <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: StanleyYP Wang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
StanleyYP Wang
2026-01-27 10:02:43 +00:00
committed by Felix Fietkau
parent 85c39fb244
commit 3b11a23517
3 changed files with 75 additions and 1 deletions
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mt7996/main.c
+13 -1
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@@ -961,12 +961,24 @@ mt7996_post_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct cfg80211_chan_def *chandef = &link_conf->chanreq.oper;
struct mt7996_dev *dev = mt7996_hw_dev(hw);
struct mt7996_phy *phy = mt7996_band_phy(dev, chandef->chan->band);
int ret;
struct mt7996_vif_link *link;
int ret = -EINVAL;
mutex_lock(&dev->mt76.mutex);
link = mt7996_vif_conf_link(dev, vif, link_conf);
if (!link)
goto out;
ret = mt7996_mcu_update_bss_rfch(phy, link);
if (ret)
goto out;
ieee80211_iterate_stations_mtx(hw, mt7996_mcu_update_sta_rec_bw, link);
ret = mt7996_mcu_rdd_resume_tx(phy);
out:
mutex_unlock(&dev->mt76.mutex);
return ret;