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Date: Sun, 15 Jul 2018 10:45:42 +0300
From: Ido Schimmel <idosch@...lanox.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, jiri@...lanox.com, mlxsw@...lanox.com,
Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next] mlxsw: spectrum: Expose counters for various packet sizes
From: Jiri Pirko <jiri@...lanox.com>
Expose counters ASIC has in the group of RFC 2819 counters that count
number of packets within specific size range.
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
---
drivers/net/ethernet/mellanox/mlxsw/reg.h | 63 ++++++++++++++++++++++++++
drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 62 ++++++++++++++++++++++++-
2 files changed, 124 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 6f98a43e75f5..f76c17308a51 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -3365,6 +3365,7 @@ MLXSW_ITEM32(reg, ppcnt, pnat, 0x00, 14, 2);
enum mlxsw_reg_ppcnt_grp {
MLXSW_REG_PPCNT_IEEE_8023_CNT = 0x0,
+ MLXSW_REG_PPCNT_RFC_2819_CNT = 0x2,
MLXSW_REG_PPCNT_EXT_CNT = 0x5,
MLXSW_REG_PPCNT_PRIO_CNT = 0x10,
MLXSW_REG_PPCNT_TC_CNT = 0x11,
@@ -3523,6 +3524,68 @@ MLXSW_ITEM64(reg, ppcnt, a_pause_mac_ctrl_frames_received,
MLXSW_ITEM64(reg, ppcnt, a_pause_mac_ctrl_frames_transmitted,
MLXSW_REG_PPCNT_COUNTERS_OFFSET + 0x90, 0, 64);
+/* Ethernet RFC 2819 Counter Group */
+
+/* reg_ppcnt_ether_stats_pkts64octets
+ * Access: RO
+ */
+MLXSW_ITEM64(reg, ppcnt, ether_stats_pkts64octets,
+ MLXSW_REG_PPCNT_COUNTERS_OFFSET + 0x58, 0, 64);
+
+/* reg_ppcnt_ether_stats_pkts65to127octets
+ * Access: RO
+ */
+MLXSW_ITEM64(reg, ppcnt, ether_stats_pkts65to127octets,
+ MLXSW_REG_PPCNT_COUNTERS_OFFSET + 0x60, 0, 64);
+
+/* reg_ppcnt_ether_stats_pkts128to255octets
+ * Access: RO
+ */
+MLXSW_ITEM64(reg, ppcnt, ether_stats_pkts128to255octets,
+ MLXSW_REG_PPCNT_COUNTERS_OFFSET + 0x68, 0, 64);
+
+/* reg_ppcnt_ether_stats_pkts256to511octets
+ * Access: RO
+ */
+MLXSW_ITEM64(reg, ppcnt, ether_stats_pkts256to511octets,
+ MLXSW_REG_PPCNT_COUNTERS_OFFSET + 0x70, 0, 64);
+
+/* reg_ppcnt_ether_stats_pkts512to1023octets
+ * Access: RO
+ */
+MLXSW_ITEM64(reg, ppcnt, ether_stats_pkts512to1023octets,
+ MLXSW_REG_PPCNT_COUNTERS_OFFSET + 0x78, 0, 64);
+
+/* reg_ppcnt_ether_stats_pkts1024to1518octets
+ * Access: RO
+ */
+MLXSW_ITEM64(reg, ppcnt, ether_stats_pkts1024to1518octets,
+ MLXSW_REG_PPCNT_COUNTERS_OFFSET + 0x80, 0, 64);
+
+/* reg_ppcnt_ether_stats_pkts1519to2047octets
+ * Access: RO
+ */
+MLXSW_ITEM64(reg, ppcnt, ether_stats_pkts1519to2047octets,
+ MLXSW_REG_PPCNT_COUNTERS_OFFSET + 0x88, 0, 64);
+
+/* reg_ppcnt_ether_stats_pkts2048to4095octets
+ * Access: RO
+ */
+MLXSW_ITEM64(reg, ppcnt, ether_stats_pkts2048to4095octets,
+ MLXSW_REG_PPCNT_COUNTERS_OFFSET + 0x90, 0, 64);
+
+/* reg_ppcnt_ether_stats_pkts4096to8191octets
+ * Access: RO
+ */
+MLXSW_ITEM64(reg, ppcnt, ether_stats_pkts4096to8191octets,
+ MLXSW_REG_PPCNT_COUNTERS_OFFSET + 0x98, 0, 64);
+
+/* reg_ppcnt_ether_stats_pkts8192to10239octets
+ * Access: RO
+ */
+MLXSW_ITEM64(reg, ppcnt, ether_stats_pkts8192to10239octets,
+ MLXSW_REG_PPCNT_COUNTERS_OFFSET + 0xA0, 0, 64);
+
/* Ethernet Extended Counter Group Counters */
/* reg_ppcnt_ecn_marked
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 6ec0f91a93cc..62c5f1c5bf62 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -1888,6 +1888,52 @@ static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_stats[] = {
#define MLXSW_SP_PORT_HW_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_stats)
+static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2819_stats[] = {
+ {
+ .str = "ether_pkts64octets",
+ .getter = mlxsw_reg_ppcnt_ether_stats_pkts64octets_get,
+ },
+ {
+ .str = "ether_pkts65to127octets",
+ .getter = mlxsw_reg_ppcnt_ether_stats_pkts65to127octets_get,
+ },
+ {
+ .str = "ether_pkts128to255octets",
+ .getter = mlxsw_reg_ppcnt_ether_stats_pkts128to255octets_get,
+ },
+ {
+ .str = "ether_pkts256to511octets",
+ .getter = mlxsw_reg_ppcnt_ether_stats_pkts256to511octets_get,
+ },
+ {
+ .str = "ether_pkts512to1023octets",
+ .getter = mlxsw_reg_ppcnt_ether_stats_pkts512to1023octets_get,
+ },
+ {
+ .str = "ether_pkts1024to1518octets",
+ .getter = mlxsw_reg_ppcnt_ether_stats_pkts1024to1518octets_get,
+ },
+ {
+ .str = "ether_pkts1519to2047octets",
+ .getter = mlxsw_reg_ppcnt_ether_stats_pkts1519to2047octets_get,
+ },
+ {
+ .str = "ether_pkts2048to4095octets",
+ .getter = mlxsw_reg_ppcnt_ether_stats_pkts2048to4095octets_get,
+ },
+ {
+ .str = "ether_pkts4096to8191octets",
+ .getter = mlxsw_reg_ppcnt_ether_stats_pkts4096to8191octets_get,
+ },
+ {
+ .str = "ether_pkts8192to10239octets",
+ .getter = mlxsw_reg_ppcnt_ether_stats_pkts8192to10239octets_get,
+ },
+};
+
+#define MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN \
+ ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2819_stats)
+
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_prio_stats[] = {
{
.str = "rx_octets_prio",
@@ -1979,6 +2025,11 @@ static void mlxsw_sp_port_get_strings(struct net_device *dev,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
+ for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; i++) {
+ memcpy(p, mlxsw_sp_port_hw_rfc_2819_stats[i].str,
+ ETH_GSTRING_LEN);
+ p += ETH_GSTRING_LEN;
+ }
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
mlxsw_sp_port_get_prio_strings(&p, i);
@@ -2018,10 +2069,14 @@ mlxsw_sp_get_hw_stats_by_group(struct mlxsw_sp_port_hw_stats **p_hw_stats,
int *p_len, enum mlxsw_reg_ppcnt_grp grp)
{
switch (grp) {
- case MLXSW_REG_PPCNT_IEEE_8023_CNT:
+ case MLXSW_REG_PPCNT_IEEE_8023_CNT:
*p_hw_stats = mlxsw_sp_port_hw_stats;
*p_len = MLXSW_SP_PORT_HW_STATS_LEN;
break;
+ case MLXSW_REG_PPCNT_RFC_2819_CNT:
+ *p_hw_stats = mlxsw_sp_port_hw_rfc_2819_stats;
+ *p_len = MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN;
+ break;
case MLXSW_REG_PPCNT_PRIO_CNT:
*p_hw_stats = mlxsw_sp_port_hw_prio_stats;
*p_len = MLXSW_SP_PORT_HW_PRIO_STATS_LEN;
@@ -2071,6 +2126,11 @@ static void mlxsw_sp_port_get_stats(struct net_device *dev,
data, data_index);
data_index = MLXSW_SP_PORT_HW_STATS_LEN;
+ /* RFC 2819 Counters */
+ __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2819_CNT, 0,
+ data, data_index);
+ data_index += MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN;
+
/* Per-Priority Counters */
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_PRIO_CNT, i,
--
2.14.4
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