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net: stmmac: rx watchdog config prepared for multiple queues 

This patch adds rx watchdog configuration for all queues.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joao Pinto 2017-03-15 11:04:50 +00:00 committed by David S. Miller
parent d62a107a4f
commit 3c55d4d08b
5 changed files with 11 additions and 8 deletions
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2
drivers/net/ethernet/stmicro/stmmac/common.h
View File

@ -443,7 +443,7 @@ struct stmmac_dma_ops {
void (*get_hw_feature)(void __iomem *ioaddr,
struct dma_features *dma_cap);
/* Program the HW RX Watchdog */
void (*rx_watchdog) (void __iomem *ioaddr, u32 riwt);
void (*rx_watchdog)(void __iomem *ioaddr, u32 riwt, u32 number_chan);
void (*set_tx_ring_len)(void __iomem *ioaddr, u32 len);
void (*set_rx_ring_len)(void __iomem *ioaddr, u32 len);
void (*set_rx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan);

3
drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
View File

@ -247,7 +247,8 @@ static void dwmac1000_get_hw_feature(void __iomem *ioaddr,
dma_cap->enh_desc = (hw_cap & DMA_HW_FEAT_ENHDESSEL) >> 24;
}
static void dwmac1000_rx_watchdog(void __iomem *ioaddr, u32 riwt)
static void dwmac1000_rx_watchdog(void __iomem *ioaddr, u32 riwt,
u32 number_chan)
{
writel(riwt, ioaddr + DMA_RX_WATCHDOG);
}

8
drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c
View File

@ -174,12 +174,12 @@ static void dwmac4_dump_dma_regs(void __iomem *ioaddr, u32 *reg_space)
_dwmac4_dump_dma_regs(ioaddr, i, reg_space);
}
static void dwmac4_rx_watchdog(void __iomem *ioaddr, u32 riwt)
static void dwmac4_rx_watchdog(void __iomem *ioaddr, u32 riwt, u32 number_chan)
{
int i;
u32 chan;
for (i = 0; i < DMA_CHANNEL_NB_MAX; i++)
writel(riwt, ioaddr + DMA_CHAN_RX_WATCHDOG(i));
for (chan = 0; chan < number_chan; chan++)
writel(riwt, ioaddr + DMA_CHAN_RX_WATCHDOG(chan));
}
static void dwmac4_dma_rx_chan_op_mode(void __iomem *ioaddr, int mode,

3
drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
View File

@ -730,6 +730,7 @@ static int stmmac_set_coalesce(struct net_device *dev,
struct ethtool_coalesce *ec)
{
struct stmmac_priv *priv = netdev_priv(dev);
u32 rx_cnt = priv->plat->rx_queues_to_use;
unsigned int rx_riwt;
/* Check not supported parameters */
@ -768,7 +769,7 @@ static int stmmac_set_coalesce(struct net_device *dev,
priv->tx_coal_frames = ec->tx_max_coalesced_frames;
priv->tx_coal_timer = ec->tx_coalesce_usecs;
priv->rx_riwt = rx_riwt;
priv->hw->dma->rx_watchdog(priv->ioaddr, priv->rx_riwt);
priv->hw->dma->rx_watchdog(priv->ioaddr, priv->rx_riwt, rx_cnt);
return 0;
}

3
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -1915,6 +1915,7 @@ static void stmmac_mtl_configuration(struct stmmac_priv *priv)
static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
{
struct stmmac_priv *priv = netdev_priv(dev);
u32 rx_cnt = priv->plat->rx_queues_to_use;
int ret;
/* DMA initialization and SW reset */
@ -1988,7 +1989,7 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
if ((priv->use_riwt) && (priv->hw->dma->rx_watchdog)) {
priv->rx_riwt = MAX_DMA_RIWT;
priv->hw->dma->rx_watchdog(priv->ioaddr, MAX_DMA_RIWT);
priv->hw->dma->rx_watchdog(priv->ioaddr, MAX_DMA_RIWT, rx_cnt);
}
if (priv->hw->pcs && priv->hw->mac->pcs_ctrl_ane)