diff options
| author | Felix Fietkau <nbd@nbd.name> | 2020-04-20 16:53:28 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-05-12 19:52:32 +0200 |
| commit | 61cb60758a05de1eaf5017e37a099fe52c5cce25 (patch) | |
| tree | 9b0ce8899b098db35834fa728a6baf98ce4260d1 /drivers/net/wireless/mediatek/mt76/mt7615/dma.c | |
| parent | 55961d8be35d0268d66f4ffe2cbbccff4936aae5 (diff) | |
mt76: mt7615: use larger rx buffers if VHT is supported
In VHT mode we can receive larger MPDUs. Increasing the buffer size reduces
fragmentation here, which should improve performance.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/dma.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/dma.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c index 5cdbe3747901..0b1fbddd1c3f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c @@ -192,8 +192,13 @@ static void mt7663_dma_sched_init(struct mt7615_dev *dev) int mt7615_dma_init(struct mt7615_dev *dev) { int rx_ring_size = MT7615_RX_RING_SIZE; + int rx_buf_size = MT_RX_BUF_SIZE; int ret; + /* Increase buffer size to receive large VHT MPDUs */ + if (dev->mt76.cap.has_5ghz) + rx_buf_size *= 2; + mt76_dma_attach(&dev->mt76); mt76_wr(dev, MT_WPDMA_GLO_CFG, @@ -234,7 +239,7 @@ int mt7615_dma_init(struct mt7615_dev *dev) /* init rx queues */ ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU], 1, - MT7615_RX_MCU_RING_SIZE, MT_RX_BUF_SIZE, + MT7615_RX_MCU_RING_SIZE, rx_buf_size, MT_RX_RING_BASE); if (ret) return ret; @@ -243,7 +248,7 @@ int mt7615_dma_init(struct mt7615_dev *dev) rx_ring_size /= 2; ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], 0, - rx_ring_size, MT_RX_BUF_SIZE, MT_RX_RING_BASE); + rx_ring_size, rx_buf_size, MT_RX_RING_BASE); if (ret) return ret; |