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wifi: mt76: mt7915: add WDS support when WED is enabled

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The current WED only supports 256 wcid, whereas mt7986 can support up to
512 entries, so firmware provides a rule to get sta_info by DA when wcid
is set to 0x3ff by txd. Also, WED provides a register to overwrite txd
wcid, that is, wcid[9:8] can be overwritten by 0x3 and wcid[7:0] is set
to 0xff by host driver.

However, firmware is unable to get sta_info from DA as DA != RA for
4addr cases, so firmware and wifi host driver both use wcid (256 - 271)
and (768 ~ 783) for sync up to get correct sta_info.

Currently WDS+WED config is completely broken on MT7986/7981 devices if
without this patch.

Signed-off-by: Bo Jiao <[email protected]>
Signed-off-by: Sujuan Chen <[email protected]>
Signed-off-by: Shengyu Qu <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2025-10-20 16:09:22 +02:00
parent 2fe5bdbe7e
commit c63db0fcad
9 changed files with 122 additions and 33 deletions
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mt7915/debugfs.c
+1 -1
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@@ -1451,7 +1451,7 @@ static ssize_t mt7915_sta_fixed_rate_set(struct file *file,
out:
vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &phy, field);
ret = mt7915_mcu_set_fixed_rate_ctrl(dev, vif, sta, &msta->wcid, &phy, field);
if (ret)
return -EFAULT;