On Tue, Apr 18, 2023 at 02:14:54PM +0300, Vladimir Oltean wrote:
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: Vladimir Oltean vladimir.oltean@nxp.com
Reviewed-by: Simon Horman simon.horman@corigine.com
v1->v2: patch is new
.../ethernet/freescale/enetc/enetc_ethtool.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c index 838a92131963..e993ed04ab57 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c @@ -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))
nit: I think you could make the condition.
if (hw->port && priv->si->hw_features & ENETC_SI_F_QBU)
which would be consistent with the condition in the next hunk.
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 { -- 2.34.1