Poll per-station hardware counters after tx status events
Signed-off-by: Felix Fietkau <n...@nbd.name>
---
drivers/net/wireless/mediatek/mt76/mac80211.c | 2 +
drivers/net/wireless/mediatek/mt76/mt76.h | 2 +
.../net/wireless/mediatek/mt76/mt7603/dma.c | 2 +
.../net/wireless/mediatek/mt76/mt7603/init.c | 3 +
.../net/wireless/mediatek/mt76/mt7603/mac.c | 86 +++++++++++++++++++
.../net/wireless/mediatek/mt76/mt7603/main.c | 7 ++
.../wireless/mediatek/mt76/mt7603/mt7603.h | 7 ++
7 files changed, 109 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c
b/drivers/net/wireless/mediatek/mt76/mac80211.c
index aab181bc6eb2..5fcadd712f89 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -481,6 +481,7 @@ int mt76_get_survey(struct ieee80211_hw *hw, int idx,
memset(survey, 0, sizeof(*survey));
survey->channel = chan;
survey->filled = SURVEY_INFO_TIME | SURVEY_INFO_TIME_BUSY;
+ survey->filled |= dev->drv->survey_flags;
if (chan == dev->main_chan) {
survey->filled |= SURVEY_INFO_IN_USE;
@@ -492,6 +493,7 @@ int mt76_get_survey(struct ieee80211_hw *hw, int idx,
survey->time = div_u64(state->cc_active, 1000);
survey->time_busy = div_u64(state->cc_busy, 1000);
survey->time_bss_rx = div_u64(state->cc_bss_rx, 1000);
+ survey->time_tx = div_u64(state->cc_tx, 1000);
spin_unlock_bh(&dev->cc_lock);
return ret;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h
b/drivers/net/wireless/mediatek/mt76/mt76.h
index 911347bd272c..4f3849b4f677 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -285,6 +285,7 @@ struct mt76_hw_cap {
struct mt76_driver_ops {
u32 drv_flags;
+ u32 survey_flags;
u16 txwi_size;
void (*update_survey)(struct mt76_dev *dev);
@@ -321,6 +322,7 @@ struct mt76_channel_state {
u64 cc_active;
u64 cc_busy;
u64 cc_bss_rx;
+ u64 cc_tx;
};
struct mt76_sband {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/dma.c
b/drivers/net/wireless/mediatek/mt76/mt7603/dma.c
index 24d82a20d046..a6ab73060aad 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/dma.c
@@ -152,6 +152,8 @@ static int mt7603_poll_tx(struct napi_struct *napi, int
budget)
for (i = MT_TXQ_MCU; i >= 0; i--)
mt76_queue_tx_cleanup(dev, i, false);
+ mt7603_mac_sta_poll(dev);
+
tasklet_schedule(&dev->mt76.tx_tasklet);
return 0;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/init.c
b/drivers/net/wireless/mediatek/mt76/mt7603/init.c
index a68533684b18..3a2927a524c3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/init.c
@@ -8,6 +8,7 @@
const struct mt76_driver_ops mt7603_drv_ops = {
.txwi_size = MT_TXD_SIZE,
.drv_flags = MT_DRV_SW_RX_AIRTIME,
+ .survey_flags = SURVEY_INFO_TIME_TX,
.tx_prepare_skb = mt7603_tx_prepare_skb,
.tx_complete_skb = mt7603_tx_complete_skb,
.rx_skb = mt7603_queue_rx_skb,
@@ -525,6 +526,8 @@ int mt7603_register_device(struct mt7603_dev *dev)
bus_ops->rmw = mt7603_rmw;
dev->mt76.bus = bus_ops;
+ INIT_LIST_HEAD(&dev->sta_poll_list);
+ spin_lock_init(&dev->sta_poll_lock);
spin_lock_init(&dev->ps_lock);
INIT_DELAYED_WORK(&dev->mt76.mac_work, mt7603_mac_work);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
index 0212384d0d56..caa1456adc50 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
@@ -160,6 +160,8 @@ void mt7603_wtbl_init(struct mt7603_dev *dev, int idx, int
vif,
addr = mt7603_wtbl4_addr(idx);
for (i = 0; i < MT_WTBL4_SIZE; i += 4)
mt76_wr(dev, addr + i, 0);
+
+ mt7603_wtbl_update(dev, idx, MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
}
static void
@@ -380,6 +382,84 @@ void mt7603_mac_tx_ba_reset(struct mt7603_dev *dev, int
wcid, int tid,
mt76_rmw(dev, addr + (15 * 4), tid_mask, tid_val);
}
+void mt7603_mac_sta_poll(struct mt7603_dev *dev)
+{
+ static const u8 ac_to_tid[4] = {
+ [IEEE80211_AC_BE] = 0,
+ [IEEE80211_AC_BK] = 1,
+ [IEEE80211_AC_VI] = 4,
+ [IEEE80211_AC_VO] = 6
+ };
+ struct ieee80211_sta *sta;
+ struct mt7603_sta *msta;
+ u32 total_airtime = 0;
+ u32 airtime[4];
+ u32 addr;
+ int i;
+
+ rcu_read_lock();
+
+ while (1) {
+ bool clear = false;
+
+ spin_lock_bh(&dev->sta_poll_lock);
+ if (list_empty(&dev->sta_poll_list)) {
+ spin_unlock_bh(&dev->sta_poll_lock);
+ break;
+ }
+
+ msta = list_first_entry(&dev->sta_poll_list, struct mt7603_sta,
+ poll_list);
+ list_del_init(&msta->poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+
+ addr = mt7603_wtbl4_addr(msta->wcid.idx);
+ for (i = 0; i < 4; i++) {
+ u32 airtime_last = msta->tx_airtime_ac[i];
+
+ msta->tx_airtime_ac[i] = mt76_rr(dev, addr + i * 8);
+ airtime[i] = msta->tx_airtime_ac[i] - airtime_last;
+ airtime[i] *= 32;
+ total_airtime += airtime[i];
+
+ if (msta->tx_airtime_ac[i] & BIT(22))
+ clear = true;
+ }
+
+ if (clear) {
+ mt7603_wtbl_update(dev, msta->wcid.idx,
+ MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+ memset(msta->tx_airtime_ac, 0,
+ sizeof(msta->tx_airtime_ac));
+ }
+
+ if (!msta->wcid.sta)
+ continue;
+
+ sta = container_of((void *)msta, struct ieee80211_sta,
drv_priv);
+ for (i = 0; i < 4; i++) {
+ struct mt76_queue *q = dev->mt76.q_tx[i].q;
+ u8 qidx = q->hw_idx;
+ u8 tid = ac_to_tid[i];
+ u32 txtime = airtime[qidx];
+
+ if (!txtime)
+ continue;
+
+ ieee80211_sta_register_airtime(sta, tid, txtime, 0);
+ }
+ }
+
+ rcu_read_unlock();
+
+ if (!total_airtime)
+ return;
+
+ spin_lock_bh(&dev->mt76.cc_lock);
+ dev->mt76.chan_state->cc_tx += total_airtime;
+ spin_unlock_bh(&dev->mt76.cc_lock);
+}
+
static struct mt76_wcid *
mt7603_rx_get_wcid(struct mt7603_dev *dev, u8 idx, bool unicast)
{
@@ -1159,6 +1239,12 @@ void mt7603_mac_add_txs(struct mt7603_dev *dev, void
*data)
msta = container_of(wcid, struct mt7603_sta, wcid);
sta = wcid_to_sta(wcid);
+ if (list_empty(&msta->poll_list)) {
+ spin_lock_bh(&dev->sta_poll_lock);
+ list_add_tail(&msta->poll_list, &dev->sta_poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+ }
+
if (mt7603_mac_add_txs_skb(dev, msta, pid, txs_data))
goto out;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/main.c
b/drivers/net/wireless/mediatek/mt76/mt7603/main.c
index e7b57f20b629..180eb6bb781a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/main.c
@@ -66,6 +66,7 @@ mt7603_add_interface(struct ieee80211_hw *hw, struct
ieee80211_vif *vif)
idx = MT7603_WTBL_RESERVED - 1 - mvif->idx;
dev->vif_mask |= BIT(mvif->idx);
+ INIT_LIST_HEAD(&mvif->sta.poll_list);
mvif->sta.wcid.idx = idx;
mvif->sta.wcid.hw_key_idx = -1;
@@ -325,6 +326,7 @@ mt7603_sta_add(struct mt76_dev *mdev, struct ieee80211_vif
*vif,
if (idx < 0)
return -ENOSPC;
+ INIT_LIST_HEAD(&msta->poll_list);
__skb_queue_head_init(&msta->psq);
msta->ps = ~0;
msta->smps = ~0;
@@ -361,6 +363,11 @@ mt7603_sta_remove(struct mt76_dev *mdev, struct
ieee80211_vif *vif,
mt7603_filter_tx(dev, wcid->idx, true);
spin_unlock_bh(&dev->ps_lock);
+ spin_lock_bh(&dev->sta_poll_lock);
+ if (!list_empty(&msta->poll_list))
+ list_del_init(&msta->poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+
mt7603_wtbl_clear(dev, wcid->idx);
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h
b/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h
index 01b933538c25..ab54b0612e98 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h
@@ -61,6 +61,9 @@ struct mt7603_sta {
struct mt7603_vif *vif;
+ struct list_head poll_list;
+ u32 tx_airtime_ac[4];
+
struct sk_buff_head psq;
struct ieee80211_tx_rate rates[4];
@@ -103,6 +106,9 @@ struct mt7603_dev {
u8 vif_mask;
+ struct list_head sta_poll_list;
+ spinlock_t sta_poll_lock;
+
struct mt7603_sta global_sta;
u32 agc0, agc3;
@@ -202,6 +208,7 @@ void mt7603_mac_add_txs(struct mt7603_dev *dev, void *data);
void mt7603_mac_rx_ba_reset(struct mt7603_dev *dev, void *addr, u8 tid);
void mt7603_mac_tx_ba_reset(struct mt7603_dev *dev, int wcid, int tid,
int ba_size);
+void mt7603_mac_sta_poll(struct mt7603_dev *dev);
void mt7603_pse_client_reset(struct mt7603_dev *dev);
--
2.17.0
