net: mvpp2: Don't check for 3 consecutive Idle frames for 10G links (bba18318) · Commits · 戴 / test

PPv2's XLGMAC can wait for 3 idle frames before triggering a link up event. This can cause the link to be stuck low when there's traffic on the interface, so disable this feature. Fixes: ("net: mvpp2: phylink support") Signed-off-by:

Maxime Chevallier <maxime.chevallier@bootlin.com> Signed-off-by:

David S. Miller <davem@davemloft.net>

drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -4739,9 +4739,9 @@ static void mvpp2_xlg_config(struct mvpp2_port *port, unsigned int mode,
		else
		ctrl0 &= ~MVPP22_XLG_CTRL0_RX_FLOW_CTRL_EN;

		ctrl4 &= ~MVPP22_XLG_CTRL4_MACMODSELECT_GMAC;
		ctrl4 \|= MVPP22_XLG_CTRL4_FWD_FC \| MVPP22_XLG_CTRL4_FWD_PFC \|
		MVPP22_XLG_CTRL4_EN_IDLE_CHECK;
		ctrl4 &= ~(MVPP22_XLG_CTRL4_MACMODSELECT_GMAC \|
		MVPP22_XLG_CTRL4_EN_IDLE_CHECK);
		ctrl4 \|= MVPP22_XLG_CTRL4_FWD_FC \| MVPP22_XLG_CTRL4_FWD_PFC;

		if (old_ctrl0 != ctrl0)
		writel(ctrl0, port->base + MVPP22_XLG_CTRL0_REG);

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