summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorWei Fang <wei.fang@nxp.com>2025-06-27 10:11:07 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-20 18:41:13 +0200
commitb369356d2c476045ff8c5414f152adc306fff3e9 (patch)
treec4a11fe64b663aafdf7ac5a6309bc63881fe1b0c
parentdb28e5e56035996258e43873ba4c7b720fa62d21 (diff)
net: enetc: separate 64-bit counters from enetc_port_counters
[ Upstream commit 9fe5f7145ad746e1b8e7522b8a955f642ff1b404 ] Some counters in enetc_port_counters are 32-bit registers, and some are 64-bit registers. But in the current driver, they are all read through enetc_port_rd(), which can only read a 32-bit value. Therefore, separate 64-bit counters (enetc_pm_counters) from enetc_port_counters and use enetc_port_rd64() to read the 64-bit statistics. Signed-off-by: Wei Fang <wei.fang@nxp.com> Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com> Reviewed-by: Frank Li <Frank.Li@nxp.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250627021108.3359642-3-wei.fang@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc_ethtool.c15
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc_hw.h1
2 files changed, 15 insertions, 1 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
index d38cd36be4a6..c0773dfbfb18 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_ethtool.c
@@ -142,7 +142,7 @@ static const struct {
static const struct {
int reg;
char name[ETH_GSTRING_LEN] __nonstring;
-} enetc_port_counters[] = {
+} enetc_pm_counters[] = {
{ ENETC_PM_REOCT(0), "MAC rx ethernet octets" },
{ ENETC_PM_RALN(0), "MAC rx alignment errors" },
{ ENETC_PM_RXPF(0), "MAC rx valid pause frames" },
@@ -194,6 +194,12 @@ static const struct {
{ ENETC_PM_TSCOL(0), "MAC tx single collisions" },
{ ENETC_PM_TLCOL(0), "MAC tx late collisions" },
{ ENETC_PM_TECOL(0), "MAC tx excessive collisions" },
+};
+
+static const struct {
+ int reg;
+ char name[ETH_GSTRING_LEN] __nonstring;
+} enetc_port_counters[] = {
{ ENETC_UFDMF, "SI MAC nomatch u-cast discards" },
{ ENETC_MFDMF, "SI MAC nomatch m-cast discards" },
{ ENETC_PBFDSIR, "SI MAC nomatch b-cast discards" },
@@ -240,6 +246,7 @@ static int enetc_get_sset_count(struct net_device *ndev, int sset)
return len;
len += ARRAY_SIZE(enetc_port_counters);
+ len += ARRAY_SIZE(enetc_pm_counters);
return len;
}
@@ -266,6 +273,9 @@ static void enetc_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++)
ethtool_cpy(&data, enetc_port_counters[i].name);
+ for (i = 0; i < ARRAY_SIZE(enetc_pm_counters); i++)
+ ethtool_cpy(&data, enetc_pm_counters[i].name);
+
break;
}
}
@@ -302,6 +312,9 @@ static void enetc_get_ethtool_stats(struct net_device *ndev,
for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++)
data[o++] = enetc_port_rd(hw, enetc_port_counters[i].reg);
+
+ for (i = 0; i < ARRAY_SIZE(enetc_pm_counters); i++)
+ data[o++] = enetc_port_rd64(hw, enetc_pm_counters[i].reg);
}
static void enetc_pause_stats(struct enetc_hw *hw, int mac,
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_hw.h b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
index 53e8d18c7a34..c84872ab6c8f 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_hw.h
+++ b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
@@ -533,6 +533,7 @@ static inline u64 _enetc_rd_reg64_wa(void __iomem *reg)
/* port register accessors - PF only */
#define enetc_port_rd(hw, off) enetc_rd_reg((hw)->port + (off))
#define enetc_port_wr(hw, off, val) enetc_wr_reg((hw)->port + (off), val)
+#define enetc_port_rd64(hw, off) _enetc_rd_reg64_wa((hw)->port + (off))
#define enetc_port_rd_mdio(hw, off) _enetc_rd_mdio_reg_wa((hw)->port + (off))
#define enetc_port_wr_mdio(hw, off, val) _enetc_wr_mdio_reg_wa(\
(hw)->port + (off), val)