summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
diff options
context:
space:
mode:
authorLorenzo Bianconi <lorenzo@kernel.org>2019-05-01 16:06:22 +0200
committerFelix Fietkau <nbd@nbd.name>2019-06-25 12:55:25 +0200
commit8357f0dcd895231ca1444df60e57a1a33605e282 (patch)
tree0a395bdd389319b85e52d354caf69b7434baef5c /drivers/net/wireless/mediatek/mt76/mt7615/dma.c
parent9e63f5e76b5638f51f50e7815914daf879af5b30 (diff)
mt76: mt7615: use napi polling for tx cleanup
This allows tx scheduling and tx cleanup to run concurrently Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> 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.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
index 3ec6582afd8f..9c565c93988a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
@@ -93,18 +93,33 @@ void mt7615_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
static void mt7615_tx_tasklet(unsigned long data)
{
struct mt7615_dev *dev = (struct mt7615_dev *)data;
+
+ mt76_txq_schedule_all(&dev->mt76);
+}
+
+static int mt7615_poll_tx(struct napi_struct *napi, int budget)
+{
static const u8 queue_map[] = {
MT_TXQ_MCU,
MT_TXQ_BE
};
+ struct mt7615_dev *dev;
int i;
+ dev = container_of(napi, struct mt7615_dev, mt76.tx_napi);
+
for (i = 0; i < ARRAY_SIZE(queue_map); i++)
mt76_queue_tx_cleanup(dev, queue_map[i], false);
- mt76_txq_schedule_all(&dev->mt76);
+ if (napi_complete_done(napi, 0))
+ mt7615_irq_enable(dev, MT_INT_TX_DONE_ALL);
- mt7615_irq_enable(dev, MT_INT_TX_DONE_ALL);
+ for (i = 0; i < ARRAY_SIZE(queue_map); i++)
+ mt76_queue_tx_cleanup(dev, queue_map[i], false);
+
+ tasklet_schedule(&dev->mt76.tx_tasklet);
+
+ return 0;
}
int mt7615_dma_init(struct mt7615_dev *dev)
@@ -178,6 +193,10 @@ int mt7615_dma_init(struct mt7615_dev *dev)
if (ret < 0)
return ret;
+ netif_tx_napi_add(&dev->mt76.napi_dev, &dev->mt76.tx_napi,
+ mt7615_poll_tx, NAPI_POLL_WEIGHT);
+ napi_enable(&dev->mt76.tx_napi);
+
mt76_poll(dev, MT_WPDMA_GLO_CFG,
MT_WPDMA_GLO_CFG_TX_DMA_BUSY |
MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 1000);
@@ -201,5 +220,6 @@ void mt7615_dma_cleanup(struct mt7615_dev *dev)
mt76_set(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_SW_RESET);
tasklet_kill(&dev->mt76.tx_tasklet);
+ netif_napi_del(&dev->mt76.tx_napi);
mt76_dma_cleanup(&dev->mt76);
}