2021-06-12 12:43:52

by Lorenzo Bianconi

[permalink] [raw]
Subject: [PATCH] mt76: mt7921: improve code readability for mt7921_update_txs

Introduce mt7921_update_txs routine in order to improve code readability
for tx timestamp parsing/configuration.

Signed-off-by: Lorenzo Bianconi <[email protected]>
---
.../net/wireless/mediatek/mt76/mt7921/mac.c | 47 +++++++------------
1 file changed, 18 insertions(+), 29 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index fb4de73df701..4a120b77e6c4 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -13,26 +13,6 @@
#define HE_PREP(f, m, v) le16_encode_bits(le32_get_bits(v, MT_CRXV_HE_##m),\
IEEE80211_RADIOTAP_HE_##f)

-unsigned long
-mt7921_next_txs_set(struct mt7921_dev *dev, struct mt76_wcid *wcid,
- u32 timeout)
-{
- struct mt7921_sta *msta;
-
- msta = container_of(wcid, struct mt7921_sta, wcid);
- msta->next_txs_ts = jiffies + msecs_to_jiffies(timeout);
- return msta->next_txs_ts;
-}
-
-bool
-mt7921_next_txs_timeout(struct mt7921_dev *dev, struct mt76_wcid *wcid)
-{
- struct mt7921_sta *msta;
-
- msta = container_of(wcid, struct mt7921_sta, wcid);
- return time_is_before_jiffies(msta->next_txs_ts);
-}
-
static struct mt76_wcid *mt7921_rx_get_wcid(struct mt7921_dev *dev,
u16 idx, bool unicast)
{
@@ -739,6 +719,23 @@ mt7921_mac_write_txwi_80211(struct mt7921_dev *dev, __le32 *txwi,
txwi[7] |= cpu_to_le32(val);
}

+static void mt7921_update_txs(struct mt76_wcid *wcid, __le32 *txwi)
+{
+ struct mt7921_sta *msta = container_of(wcid, struct mt7921_sta, wcid);
+ u32 pid, frame_type = FIELD_GET(MT_TXD2_FRAME_TYPE, txwi[2]);
+
+ if (!(frame_type & (IEEE80211_FTYPE_DATA >> 2)))
+ return;
+
+ if (time_is_after_eq_jiffies(msta->next_txs_ts))
+ return;
+
+ msta->next_txs_ts = jiffies + msecs_to_jiffies(250);
+ pid = mt76_get_next_pkt_id(wcid);
+ txwi[5] |= cpu_to_le32(MT_TXD5_TX_STATUS_MCU |
+ FIELD_PREP(MT_TXD5_PID, pid));
+}
+
void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
struct sk_buff *skb, struct mt76_wcid *wcid,
struct ieee80211_key_conf *key, bool beacon)
@@ -816,15 +813,7 @@ void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
txwi[3] |= cpu_to_le32(MT_TXD3_BA_DISABLE);
}

- if ((FIELD_GET(MT_TXD2_FRAME_TYPE, txwi[2]) &
- (IEEE80211_FTYPE_DATA >> 2)) &&
- mt7921_next_txs_timeout(dev, wcid)) {
- u8 pid = mt76_get_next_pkt_id(wcid);
-
- mt7921_next_txs_set(dev, wcid, 250);
- val = MT_TXD5_TX_STATUS_MCU | FIELD_PREP(MT_TXD5_PID, pid);
- txwi[5] |= cpu_to_le32(val);
- }
+ mt7921_update_txs(wcid, txwi);
}

static void
--
2.31.1