diff options
| author | Felix Fietkau <nbd@nbd.name> | 2020-08-22 17:18:37 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-09-24 18:10:16 +0200 |
| commit | e17d794587298924ba1aed7c642492e170f39d85 (patch) | |
| tree | da4185987f3a79f0f232c4c5dbf585b7a1694f73 /drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h | |
| parent | f8a667a9af91981b051b0b47c01e473fca80ce4f (diff) | |
mt76: mt7615: significantly reduce interrupt load
On 7615 and newer, DMA completion only triggers unmap, but not free of queued
skbs, since pointers to packets are queued internally.
Because of that, there is no need to process the main data queue immediately
on DMA completion.
To improve performance, mask out the DMA data queue completion interrupt and
process the queue only when we receive a txfree event.
This brings the number of interrupts under load down to a small fraction.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h index 7567485256f8..bcd09cc52ce8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h @@ -540,6 +540,11 @@ static inline u8 mt7615_lmac_mapping(struct mt7615_dev *dev, u8 ac) return lmac_queue_map[ac]; } +static inline u32 mt7615_tx_mcu_int_mask(struct mt7615_dev *dev) +{ + return MT_INT_TX_DONE(dev->mt76.q_tx[MT_TXQ_MCU].q->hw_idx); +} + void mt7615_dma_reset(struct mt7615_dev *dev); void mt7615_scan_work(struct work_struct *work); void mt7615_roc_work(struct work_struct *work); |