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wifi: mt76: mt7915: fix VoW per-station DRR field layout

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The per-station DRR config value packs the BSS group into bits 0-3;
the bit 4-5 AC priority and bit 6-7 WMM ID fields follow. The group
mask covered bits 0-5, overlapping the AC priority field, and the BWC
group value was written as a bare constant that ignored the station's
group. Narrow the group mask and derive the BWC group from it.

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2026-08-01 17:46:21 +02:00
parent 5781c92d13
commit 5ed926a345
2 changed files with 9 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
mt76_connac.h
+2 -1
View File
@@ -112,11 +112,12 @@ enum {
/* Layout of the per-station DRR config value (VOW_DRR_CTRL_STA_ALL). The AC
* quantum fields are in hardware (LMAC) order, i.e. AC0 = BK ... AC3 = VO.
*/
#define VOW_DRR_STA_BSS_GRP_MASK GENMASK(5, 0)
#define VOW_DRR_STA_BSS_GRP_MASK GENMASK(3, 0)
#define VOW_DRR_STA_AC0_QNTM_MASK GENMASK(10, 8)
#define VOW_DRR_STA_AC1_QNTM_MASK GENMASK(14, 12)
#define VOW_DRR_STA_AC2_QNTM_MASK GENMASK(18, 16)
#define VOW_DRR_STA_AC3_QNTM_MASK GENMASK(22, 20)
#define VOW_DRR_STA_BWC_GRP_MASK GENMASK(29, 24)
/* A station references one of the global DWRR quantum levels per AC. The
* mac80211 airtime weight spans a wider, finer range than the eight hardware
mt7915/mcu.c
+7 -4
View File
@@ -3706,9 +3706,10 @@ int mt7915_mcu_set_vow_drr_ctrl(struct mt7915_dev *dev, struct mt7915_sta *msta,
};
switch (id) {
case VOW_DRR_CTRL_STA_ALL:
setting |= FIELD_PREP(VOW_DRR_STA_BSS_GRP_MASK,
mt7915_vow_sta_bss_grp(&msta->vif->mt76));
case VOW_DRR_CTRL_STA_ALL: {
u8 grp = mt7915_vow_sta_bss_grp(&msta->vif->mt76);
setting |= FIELD_PREP(VOW_DRR_STA_BSS_GRP_MASK, grp);
setting |= FIELD_PREP(VOW_DRR_STA_AC0_QNTM_MASK,
mt76_connac_vow_dwrr_quantum(weight, IEEE80211_AC_BK));
setting |= FIELD_PREP(VOW_DRR_STA_AC1_QNTM_MASK,
@@ -3717,9 +3718,11 @@ int mt7915_mcu_set_vow_drr_ctrl(struct mt7915_dev *dev, struct mt7915_sta *msta,
mt76_connac_vow_dwrr_quantum(weight, IEEE80211_AC_VI));
setting |= FIELD_PREP(VOW_DRR_STA_AC3_QNTM_MASK,
mt76_connac_vow_dwrr_quantum(weight, IEEE80211_AC_VO));
setting |= UMAC_BWC_GROUP_MIN << 24;
setting |= FIELD_PREP(VOW_DRR_STA_BWC_GRP_MASK,
grp + UMAC_BWC_GROUP_MIN);
req.air_time_ctrl.com_value = cpu_to_le32(setting);
break;
}
case VOW_DRR_CTRL_STA_PAUSE:
/* com_value 0 keeps the station unpaused */
break;