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mt76: mt7603: use napi polling for tx cleanup

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This allows tx scheduling and tx cleanup to run concurrently

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2019-05-11 15:25:58 +02:00
committed by Felix Fietkau
parent 6b184272ba
commit bce63c453c
3 changed files with 31 additions and 5 deletions
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mt7603/core.c
+1 -1
View File
@@ -35,7 +35,7 @@ irqreturn_t mt7603_irq_handler(int irq, void *dev_instance)
if (intr & MT_INT_TX_DONE_ALL) {
mt7603_irq_disable(dev, MT_INT_TX_DONE_ALL);
tasklet_schedule(&dev->mt76.tx_tasklet);
napi_schedule(&dev->mt76.tx_napi);
}
if (intr & MT_INT_RX_DONE(0)) {
mt7603/dma.c
+27 -3
View File
@@ -139,15 +139,30 @@ static void
mt7603_tx_tasklet(unsigned long data)
{
struct mt7603_dev *dev = (struct mt7603_dev *)data;
mt76_txq_schedule_all(&dev->mt76);
}
static int mt7603_poll_tx(struct napi_struct *napi, int budget)
{
struct mt7603_dev *dev;
int i;
dev = container_of(napi, struct mt7603_dev, mt76.tx_napi);
dev->tx_dma_check = 0;
for (i = MT_TXQ_MCU; i >= 0; i--)
mt76_queue_tx_cleanup(dev, i, false);
mt76_txq_schedule_all(&dev->mt76);
if (napi_complete_done(napi, 0))
mt7603_irq_enable(dev, MT_INT_TX_DONE_ALL);
mt7603_irq_enable(dev, MT_INT_TX_DONE_ALL);
for (i = MT_TXQ_MCU; i >= 0; i--)
mt76_queue_tx_cleanup(dev, i, false);
tasklet_schedule(&dev->mt76.tx_tasklet);
return 0;
}
int mt7603_dma_init(struct mt7603_dev *dev)
@@ -216,7 +231,15 @@ int mt7603_dma_init(struct mt7603_dev *dev)
return ret;
mt76_wr(dev, MT_DELAY_INT_CFG, 0);
return mt76_init_queues(dev);
ret = mt76_init_queues(dev);
if (ret)
return ret;
netif_tx_napi_add(&dev->mt76.napi_dev, &dev->mt76.tx_napi,
mt7603_poll_tx, NAPI_POLL_WEIGHT);
napi_enable(&dev->mt76.tx_napi);
return 0;
}
void mt7603_dma_cleanup(struct mt7603_dev *dev)
@@ -227,5 +250,6 @@ void mt7603_dma_cleanup(struct mt7603_dev *dev)
MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE);
tasklet_kill(&dev->mt76.tx_tasklet);
netif_napi_del(&dev->mt76.tx_napi);
mt76_dma_cleanup(&dev->mt76);
}
mt7603/mac.c
+3 -1
View File
@@ -1282,6 +1282,7 @@ static void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
tasklet_disable(&dev->mt76.pre_tbtt_tasklet);
napi_disable(&dev->mt76.napi[0]);
napi_disable(&dev->mt76.napi[1]);
napi_disable(&dev->mt76.tx_napi);
mutex_lock(&dev->mt76.mutex);
@@ -1326,7 +1327,8 @@ skip_dma_reset:
mutex_unlock(&dev->mt76.mutex);
tasklet_enable(&dev->mt76.tx_tasklet);
tasklet_schedule(&dev->mt76.tx_tasklet);
napi_enable(&dev->mt76.tx_napi);
napi_schedule(&dev->mt76.tx_napi);
tasklet_enable(&dev->mt76.pre_tbtt_tasklet);
mt7603_beacon_set_timer(dev, -1, beacon_int);