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wifi: mt76: mt7996: handle UNI PS sync events

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Enable MT_DRV_HW_PS_BUFFERING and handle MCU_UNI_EVENT_PS_SYNC with
all three TLV formats (single client, multi-client packed entries,
and bitmap).

Link: https://patch.msgid.link/20260801145334.1166751-3-nbd@nbd.name
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2026-08-01 14:53:27 +00:00
parent dc930cf883
commit 2d16caccd2
3 changed files with 121 additions and 1 deletions
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86
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
View File

@@ -826,6 +826,89 @@ mt7996_mcu_wed_rro_event(struct mt7996_dev *dev, struct sk_buff *skb)
}
}
static void
mt7996_mcu_ps_transition(struct mt7996_dev *dev, u16 wcid_idx, bool ps)
{
struct mt76_wcid *wcid;
wcid = mt76_wcid_ptr(dev, wcid_idx);
if (!wcid || !wcid_to_sta(wcid))
return;
mt76_sta_ps_transition(&dev->mt76, wcid, ps);
}
static void
mt7996_mcu_rx_ps_sync(struct mt7996_dev *dev, struct sk_buff *skb)
{
struct mt7996_mcu_ps_sync_event *event = (void *)skb->data;
struct tlv *tlv;
int len;
if (skb->len < sizeof(*event))
return;
skb_pull(skb, sizeof(*event));
len = skb->len;
while (len >= sizeof(*tlv)) {
u16 tag, tag_len;
tlv = (struct tlv *)skb->data;
tag = le16_to_cpu(tlv->tag);
tag_len = le16_to_cpu(tlv->len);
/* a tag_len below the header size would not advance the buffer */
if (tag_len < sizeof(*tlv) || tag_len > len)
break;
switch (tag) {
case UNI_PS_CLIENT_INFO: {
struct mt7996_mcu_ps_client_info *info = (void *)tlv;
if (tag_len < sizeof(*info))
break;
mt7996_mcu_ps_transition(dev,
le16_to_cpu(info->wlan_idx),
info->ps_bit);
break;
}
case UNI_PS_MULTI_CLIENT_INFO: {
struct mt7996_mcu_ps_multi_client_info *info = (void *)tlv;
u16 cnt;
int i;
if (tag_len < sizeof(*info))
break;
cnt = min_t(u16, le16_to_cpu(info->sta_cnt),
(tag_len - sizeof(*info)) / sizeof(info->sta_ps_info[0]));
for (i = 0; i < cnt; i++) {
u16 entry = le16_to_cpu(info->sta_ps_info[i]);
mt7996_mcu_ps_transition(dev,
FIELD_GET(MT7996_PS_MULTI_WCID, entry),
!!(entry & MT7996_PS_MULTI_PS_BIT));
}
break;
}
case UNI_PS_MULTI_CLIENT_INFO_BITMAP: {
u8 *bitmap = tlv->data;
int bitmap_len = tag_len - sizeof(*tlv);
int i;
for (i = 0; i < bitmap_len * 8; i++)
mt7996_mcu_ps_transition(dev, i,
!!(bitmap[i / 8] & BIT(i % 8)));
break;
}
}
skb_pull(skb, tag_len);
len -= tag_len;
}
}
static void
mt7996_mcu_uni_rx_unsolicited_event(struct mt7996_dev *dev, struct sk_buff *skb)
{
@@ -847,6 +930,9 @@ mt7996_mcu_uni_rx_unsolicited_event(struct mt7996_dev *dev, struct sk_buff *skb)
case MCU_UNI_EVENT_WED_RRO:
mt7996_mcu_wed_rro_event(dev, skb);
break;
case MCU_UNI_EVENT_PS_SYNC:
mt7996_mcu_rx_ps_sync(dev, skb);
break;
default:
break;
}

33
drivers/net/wireless/mediatek/mt76/mt7996/mcu.h
View File

@@ -293,6 +293,39 @@ enum {
UNI_WED_RRO_BA_SESSION_DELETE,
};
struct mt7996_mcu_ps_sync_event {
struct mt7996_mcu_rxd rxd;
u8 bss_idx;
u8 __rsv[3];
} __packed;
struct mt7996_mcu_ps_client_info {
__le16 tag;
__le16 len;
u8 ps_bit;
u8 __rsv;
__le16 wlan_idx;
u8 buffer_size;
u8 __rsv2[3];
} __packed;
struct mt7996_mcu_ps_multi_client_info {
__le16 tag;
__le16 len;
__le16 sta_cnt;
__le16 sta_ps_info[];
} __packed;
#define MT7996_PS_MULTI_WCID GENMASK(10, 0)
#define MT7996_PS_MULTI_PS_BIT BIT(15)
enum {
UNI_PS_CLIENT_INFO = 0,
UNI_PS_MULTI_CLIENT_INFO = 1,
UNI_PS_MULTI_CLIENT_INFO_BITMAP = 2,
};
struct mt7996_mcu_thermal_notify {
struct mt7996_mcu_rxd rxd;

3
drivers/net/wireless/mediatek/mt76/mt7996/mmio.c
View File

@@ -838,7 +838,8 @@ struct mt7996_dev *mt7996_mmio_probe(struct device *pdev,
.link_data_size = sizeof(struct mt7996_vif_link),
.drv_flags = MT_DRV_TXWI_NO_FREE |
MT_DRV_AMSDU_OFFLOAD |
MT_DRV_HW_MGMT_TXQ,
MT_DRV_HW_MGMT_TXQ |
MT_DRV_HW_PS_BUFFERING,
.survey_flags = SURVEY_INFO_TIME_TX |
SURVEY_INFO_TIME_RX |
SURVEY_INFO_TIME_BSS_RX,