net: stmmac: Decrease default RX Watchdog value (01d1689d) · Commits · 戴 / test

For performance reasons decrease the default RX Watchdog value for the minimum allowed. Signed-off-by:

Jose Abreu <joabreu@synopsys.com> Cc: Joao Pinto <jpinto@synopsys.com> Cc: David S. Miller <davem@davemloft.net> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Signed-off-by:

David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/common.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -246,7 +246,7 @@ struct stmmac_safety_stats {

		/* Max/Min RI Watchdog Timer count value */
		#define MAX_DMA_RIWT 0xff
		#define MIN_DMA_RIWT 0x20
		#define MIN_DMA_RIWT 0x10
		/* Tx coalesce parameters */
		#define STMMAC_COAL_TX_TIMER 1000
		#define STMMAC_MAX_COAL_TX_TICK 100000

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -2516,9 +2516,9 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
		priv->tx_lpi_timer = STMMAC_DEFAULT_TWT_LS;

		if (priv->use_riwt) {
		ret = stmmac_rx_watchdog(priv, priv->ioaddr, MAX_DMA_RIWT, rx_cnt);
		ret = stmmac_rx_watchdog(priv, priv->ioaddr, MIN_DMA_RIWT, rx_cnt);
		if (!ret)
		priv->rx_riwt = MAX_DMA_RIWT;
		priv->rx_riwt = MIN_DMA_RIWT;
		}

		if (priv->hw->pcs)

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