Commit 16a2c763 authored by Vladimir Oltean's avatar Vladimir Oltean Committed by Jakub Kicinski
Browse files

net: enetc: include MAC Merge / FP registers in register dump 



These have been useful in debugging various problems related to frame
preemption, so make them available through ethtool --register-dump for
later too.

Signed-off-by: default avatarVladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: default avatarSimon Horman <simon.horman@corigine.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 82714539

drivers/net/ethernet/freescale/enetc/enetc_ethtool.c

+17 −0
Original line number Diff line number Diff line
@@ -32,6 +32,12 @@ static const u32 enetc_port_regs[] = { 
	ENETC_PM0_CMD_CFG, ENETC_PM0_MAXFRM, ENETC_PM0_IF_MODE

};



static const u32 enetc_port_mm_regs[] = {

	ENETC_MMCSR, ENETC_PFPMR, ENETC_PTCFPR(0), ENETC_PTCFPR(1),

	ENETC_PTCFPR(2), ENETC_PTCFPR(3), ENETC_PTCFPR(4), ENETC_PTCFPR(5),

	ENETC_PTCFPR(6), ENETC_PTCFPR(7),

};



static int enetc_get_reglen(struct net_device *ndev)

{

	struct enetc_ndev_priv *priv = netdev_priv(ndev);
@@ -45,6 +51,9 @@ static int enetc_get_reglen(struct net_device *ndev) 
	if (hw->port)

		len += ARRAY_SIZE(enetc_port_regs);



	if (hw->port && !!(priv->si->hw_features & ENETC_SI_F_QBU))

		len += ARRAY_SIZE(enetc_port_mm_regs);



	len *= sizeof(u32) * 2; /* store 2 entries per reg: addr and value */



	return len;
@@ -90,6 +99,14 @@ static void enetc_get_regs(struct net_device *ndev, struct ethtool_regs *regs, 
		*buf++ = addr;

		*buf++ = enetc_rd(hw, addr);

	}



	if (priv->si->hw_features & ENETC_SI_F_QBU) {

		for (i = 0; i < ARRAY_SIZE(enetc_port_mm_regs); i++) {

			addr = ENETC_PORT_BASE + enetc_port_mm_regs[i];

			*buf++ = addr;

			*buf++ = enetc_rd(hw, addr);

		}

	}

}



static const struct {