[PATCH 9/9] mt76: mt76x02: tune tx ring size

Felix Fietkau
2020-08-31T12:26:40Z

Increase data queue size to improve performance.
Reduce PS/mgmt queue size

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
drivers/net/wireless/mediatek/mt76/mt76.h | 1 -
drivers/net/wireless/mediatek/mt76/mt76x02.h | 2 ++
drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c | 4 ++--
3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 3600b0e84aeb..59eed5374b38 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -17,7 +17,6 @@
#include "util.h"
#include "testmode.h"

-#define MT_TX_RING_SIZE 256
#define MT_MCU_RING_SIZE 32
#define MT_RX_BUF_SIZE 2048
#define MT_SKB_HEAD_LEN 128
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02.h b/drivers/net/wireless/mediatek/mt76/mt76x02.h
index 4660b9691ec3..d626817a2103 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02.h
@@ -15,6 +15,8 @@
#include "mt76x02_dfs.h"
#include "mt76x02_dma.h"

+#define MT76x02_TX_RING_SIZE 512
+#define MT76x02_PSD_RING_SIZE 128
#define MT76x02_N_WCIDS 128
#define MT_CALIBRATE_INTERVAL HZ
#define MT_MAC_WORK_INTERVAL (HZ / 10)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
index 66453c85f0de..4016ffe840ed 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
@@ -209,13 +209,13 @@ int mt76x02_dma_init(struct mt76x02_dev *dev)

for (i = 0; i < IEEE80211_NUM_ACS; i++) {
ret = mt76x02_init_tx_queue(dev, i, mt76_ac_to_hwq(i),
- MT_TX_RING_SIZE);
+ MT76x02_TX_RING_SIZE);
if (ret)
return ret;
}

ret = mt76x02_init_tx_queue(dev, MT_TXQ_PSD,
- MT_TX_HW_QUEUE_MGMT, MT_TX_RING_SIZE);
+ MT_TX_HW_QUEUE_MGMT, MT76x02_PSD_RING_SIZE);
if (ret)
return ret;

--
2.28.0