diff options
| author | Joao Pinto <Joao.Pinto@synopsys.com> | 2017-03-15 11:04:55 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-15 14:44:33 -0700 |
| commit | 7bac4e1ec3ca2342929a39638d615c6b672c27a0 (patch) | |
| tree | f4c7116c80d1ff9827a432b63bdc3199ead3ee15 | |
| parent | 146617b88b86c3d1f1309604d5d4cb38d5b24f1a (diff) | |
net: stmmac: stmmac interrupt treatment prepared for multiple queues
This patch prepares the main ISR for multiple queues.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index c802286380dc..d3a21519e4c0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3115,6 +3115,12 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id) { struct net_device *dev = (struct net_device *)dev_id; struct stmmac_priv *priv = netdev_priv(dev); + u32 rx_cnt = priv->plat->rx_queues_to_use; + u32 tx_cnt = priv->plat->tx_queues_to_use; + u32 queues_count; + u32 queue; + + queues_count = (rx_cnt > tx_cnt) ? rx_cnt : tx_cnt; if (priv->irq_wake) pm_wakeup_event(priv->device, 0); @@ -3129,20 +3135,26 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id) int status = priv->hw->mac->host_irq_status(priv->hw, &priv->xstats); - if (priv->synopsys_id >= DWMAC_CORE_4_00) - status |= priv->hw->mac->host_mtl_irq_status(priv->hw, - STMMAC_CHAN0); - if (unlikely(status)) { /* For LPI we need to save the tx status */ if (status & CORE_IRQ_TX_PATH_IN_LPI_MODE) priv->tx_path_in_lpi_mode = true; if (status & CORE_IRQ_TX_PATH_EXIT_LPI_MODE) priv->tx_path_in_lpi_mode = false; - if (status & CORE_IRQ_MTL_RX_OVERFLOW && priv->hw->dma->set_rx_tail_ptr) - priv->hw->dma->set_rx_tail_ptr(priv->ioaddr, - priv->rx_tail_addr, - STMMAC_CHAN0); + } + + if (priv->synopsys_id >= DWMAC_CORE_4_00) { + for (queue = 0; queue < queues_count; queue++) { + status |= + priv->hw->mac->host_mtl_irq_status(priv->hw, + queue); + + if (status & CORE_IRQ_MTL_RX_OVERFLOW && + priv->hw->dma->set_rx_tail_ptr) + priv->hw->dma->set_rx_tail_ptr(priv->ioaddr, + priv->rx_tail_addr, + queue); + } } /* PCS link status */ |