From: Nogah Frankel <nogahf@mellanox.com>
Date: Wed, 28 Feb 2018 10:44:59 +0100
Subject: mlxsw: spectrum: Add priority counters
Patch-mainline: v4.17-rc1
Git-commit: 2f88047ec42cc0cc8228247033a8f83960ce7f81
References: bsc#1112374
Add TX packets and bytes counters per switch priority per port.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Reviewed-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 10 ++++++++++
drivers/net/ethernet/mellanox/mlxsw/spectrum.h | 2 ++
2 files changed, 12 insertions(+)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -1040,6 +1040,16 @@ mlxsw_sp_port_get_hw_xstats(struct net_d
xstats->tail_drop[i] =
mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get(ppcnt_pl);
}
+
+ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
+ err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_PRIO_CNT,
+ i, ppcnt_pl);
+ if (err)
+ continue;
+
+ xstats->tx_packets[i] = mlxsw_reg_ppcnt_tx_frames_get(ppcnt_pl);
+ xstats->tx_bytes[i] = mlxsw_reg_ppcnt_tx_octets_get(ppcnt_pl);
+ }
}
static void update_stats_cache(struct work_struct *work)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -211,6 +211,8 @@ struct mlxsw_sp_port_xstats {
u64 wred_drop[TC_MAX_QUEUE];
u64 tail_drop[TC_MAX_QUEUE];
u64 backlog[TC_MAX_QUEUE];
+ u64 tx_bytes[IEEE_8021QAZ_MAX_TCS];
+ u64 tx_packets[IEEE_8021QAZ_MAX_TCS];
};
struct mlxsw_sp_port {