[PATCH] mt76: mt7921s: fix cmd timeout in throughput test
From: Deren Wu <hidden>
Date: 2021-12-16 17:02:44
Also in:
linux-wireless
Subsystem:
mediatek mt76 wireless lan driver, the rest · Maintainers:
Felix Fietkau, Lorenzo Bianconi, Ryder Lee, Linus Torvalds
From: Deren Wu <redacted> During heavy loading throughtput test, the RX buffer (128) would be exhausted and some RX pkts dropped randomly. Increase buffer size from 128 to 512 (a safer length) to avoid tput degrade or cmd-timeout problem. Signed-off-by: Deren Wu <redacted> --- drivers/net/wireless/mediatek/mt76/mt76.h | 2 ++ drivers/net/wireless/mediatek/mt76/sdio.c | 8 ++++---- 2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 239742112e16..2a4120f71534 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h@@ -495,6 +495,8 @@ struct mt76_usb { }; #define MT76S_XMIT_BUF_SZ (16 * PAGE_SIZE) +#define MT76S_NUM_TX_ENTRIES 256 +#define MT76S_NUM_RX_ENTRIES 512 struct mt76_sdio { struct mt76_worker txrx_worker; struct mt76_worker status_worker;
diff --git a/drivers/net/wireless/mediatek/mt76/sdio.c b/drivers/net/wireless/mediatek/mt76/sdio.c
index b0bc7be0fb1f..54f72d215948 100644
--- a/drivers/net/wireless/mediatek/mt76/sdio.c
+++ b/drivers/net/wireless/mediatek/mt76/sdio.c@@ -305,12 +305,12 @@ int mt76s_alloc_rx_queue(struct mt76_dev *dev, enum mt76_rxq_id qid) spin_lock_init(&q->lock); q->entry = devm_kcalloc(dev->dev, - MT_NUM_RX_ENTRIES, sizeof(*q->entry), + MT76S_NUM_RX_ENTRIES, sizeof(*q->entry), GFP_KERNEL); if (!q->entry) return -ENOMEM; - q->ndesc = MT_NUM_RX_ENTRIES; + q->ndesc = MT76S_NUM_RX_ENTRIES; q->head = q->tail = 0; q->queued = 0;
@@ -328,12 +328,12 @@ static struct mt76_queue *mt76s_alloc_tx_queue(struct mt76_dev *dev) spin_lock_init(&q->lock); q->entry = devm_kcalloc(dev->dev, - MT_NUM_TX_ENTRIES, sizeof(*q->entry), + MT76S_NUM_TX_ENTRIES, sizeof(*q->entry), GFP_KERNEL); if (!q->entry) return ERR_PTR(-ENOMEM); - q->ndesc = MT_NUM_TX_ENTRIES; + q->ndesc = MT76S_NUM_TX_ENTRIES; return q; }
--
2.18.0
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