@@ -2503,6 +2503,7 @@ MLXSW_ITEM32(reg, ppcnt, pnat, 0x00, 14, 2);
enum mlxsw_reg_ppcnt_grp {
MLXSW_REG_PPCNT_IEEE_8023_CNT = 0x0,
MLXSW_REG_PPCNT_PRIO_CNT = 0x10,
+ MLXSW_REG_PPCNT_TC_CNT = 0x11,
};
/* reg_ppcnt_grp
@@ -2703,6 +2704,23 @@ MLXSW_ITEM64(reg, ppcnt, tx_pause_duration, 0x08 + 0x68, 0, 64);
*/
MLXSW_ITEM64(reg, ppcnt, tx_pause_transition, 0x08 + 0x70, 0, 64);
+/* Ethernet Per Traffic Group Counters */
+
+/* reg_ppcnt_tc_transmit_queue
+ * Contains the transmit queue depth in cells of traffic class
+ * selected by prio_tc and the port selected by local_port.
+ * The field cannot be cleared.
+ * Access: RO
+ */
+MLXSW_ITEM64(reg, ppcnt, tc_transmit_queue, 0x08 + 0x00, 0, 64);
+
+/* reg_ppcnt_tc_no_buffer_discard_uc
+ * The number of unicast packets dropped due to lack of shared
+ * buffer resources.
+ * Access: RO
+ */
+MLXSW_ITEM64(reg, ppcnt, tc_no_buffer_discard_uc, 0x08 + 0x08, 0, 64);
+
static inline void mlxsw_reg_ppcnt_pack(char *payload, u8 local_port,
enum mlxsw_reg_ppcnt_grp grp,
u8 prio_tc)
@@ -1017,8 +1017,29 @@ static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_prio_stats[] = {
#define MLXSW_SP_PORT_HW_PRIO_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_prio_stats)
+static u64 mlxsw_reg_ppcnt_tc_transmit_queue_bytes_get(char *ppcnt_pl)
+{
+ u64 transmit_queue = mlxsw_reg_ppcnt_tc_transmit_queue_get(ppcnt_pl);
+
+ return MLXSW_SP_CELLS_TO_BYTES(transmit_queue);
+}
+
+static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_tc_stats[] = {
+ {
+ .str = "tc_transmit_queue_tc",
+ .getter = mlxsw_reg_ppcnt_tc_transmit_queue_bytes_get,
+ },
+ {
+ .str = "tc_no_buffer_discard_uc_tc",
+ .getter = mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get,
+ },
+};
+
+#define MLXSW_SP_PORT_HW_TC_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_tc_stats)
+
#define MLXSW_SP_PORT_ETHTOOL_STATS_LEN (MLXSW_SP_PORT_HW_STATS_LEN + \
- MLXSW_SP_PORT_HW_PRIO_STATS_LEN * \
+ (MLXSW_SP_PORT_HW_PRIO_STATS_LEN + \
+ MLXSW_SP_PORT_HW_TC_STATS_LEN) * \
IEEE_8021QAZ_MAX_TCS)
static void mlxsw_sp_port_get_prio_strings(u8 **p, int prio)
@@ -1032,6 +1053,17 @@ static void mlxsw_sp_port_get_prio_strings(u8 **p, int prio)
}
}
+static void mlxsw_sp_port_get_tc_strings(u8 **p, int tc)
+{
+ int i;
+
+ for (i = 0; i < MLXSW_SP_PORT_HW_TC_STATS_LEN; i++) {
+ snprintf(*p, ETH_GSTRING_LEN, "%s_%d",
+ mlxsw_sp_port_hw_tc_stats[i].str, tc);
+ *p += ETH_GSTRING_LEN;
+ }
+}
+
static void mlxsw_sp_port_get_strings(struct net_device *dev,
u32 stringset, u8 *data)
{
@@ -1049,6 +1081,9 @@ static void mlxsw_sp_port_get_strings(struct net_device *dev,
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
mlxsw_sp_port_get_prio_strings(&p, i);
+ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
+ mlxsw_sp_port_get_tc_strings(&p, i);
+
break;
}
}
@@ -1089,6 +1124,10 @@ mlxsw_sp_get_hw_stats_by_group(struct mlxsw_sp_port_hw_stats **p_hw_stats,
*p_hw_stats = mlxsw_sp_port_hw_prio_stats;
*p_len = MLXSW_SP_PORT_HW_PRIO_STATS_LEN;
break;
+ case MLXSW_REG_PPCNT_TC_CNT:
+ *p_hw_stats = mlxsw_sp_port_hw_tc_stats;
+ *p_len = MLXSW_SP_PORT_HW_TC_STATS_LEN;
+ break;
default:
WARN_ON(1);
return -ENOTSUPP;
@@ -1132,6 +1171,13 @@ static void mlxsw_sp_port_get_stats(struct net_device *dev,
data, data_index);
data_index += MLXSW_SP_PORT_HW_PRIO_STATS_LEN;
}
+
+ /* Per-TC Counters */
+ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
+ __mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_TC_CNT, i,
+ data, data_index);
+ data_index += MLXSW_SP_PORT_HW_TC_STATS_LEN;
+ }
}
static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset)