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From: Ido Schimmel <idosch@idosch.org>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, jiri@mellanox.com, jhs@mojatatu.com,
	xiyou.wangcong@gmail.com, petrm@mellanox.com, mlxsw@mellanox.com,
	Ido Schimmel <idosch@mellanox.com>
Subject: [PATCH net-next 04/14] mlxsw: spectrum_qdisc: Add mlxsw_sp_qdisc_get_class_stats()
Date: Fri, 24 Jan 2020 15:23:08 +0200	[thread overview]
Message-ID: <20200124132318.712354-5-idosch@idosch.org> (raw)
In-Reply-To: <20200124132318.712354-1-idosch@idosch.org>

From: Petr Machata <petrm@mellanox.com>

Add a wrapper around mlxsw_sp_qdisc_collect_tc_stats() and
mlxsw_sp_qdisc_update_stats() for the simple case of doing both in one go:
mlxsw_sp_qdisc_get_class_stats(). Dispatch to that function from
mlxsw_sp_qdisc_get_red_stats(). This new function will be useful for other
leaf Qdiscs as well.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
---
 .../ethernet/mellanox/mlxsw/spectrum_qdisc.c  | 29 ++++++++++++-------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c
index ef63b8cbbc94..a0f07e951607 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c
@@ -273,6 +273,24 @@ mlxsw_sp_qdisc_update_stats(struct mlxsw_sp *mlxsw_sp,
 	stats_base->tx_packets += tx_packets;
 }
 
+static void
+mlxsw_sp_qdisc_get_tc_stats(struct mlxsw_sp_port *mlxsw_sp_port,
+			    struct mlxsw_sp_qdisc *mlxsw_sp_qdisc,
+			    struct tc_qopt_offload_stats *stats_ptr)
+{
+	u64 tx_packets = 0;
+	u64 tx_bytes = 0;
+	u64 backlog = 0;
+	u64 drops = 0;
+
+	mlxsw_sp_qdisc_collect_tc_stats(mlxsw_sp_port, mlxsw_sp_qdisc,
+					&tx_bytes, &tx_packets,
+					&drops, &backlog);
+	mlxsw_sp_qdisc_update_stats(mlxsw_sp_port->mlxsw_sp, mlxsw_sp_qdisc,
+				    tx_bytes, tx_packets, drops, backlog,
+				    stats_ptr);
+}
+
 static int
 mlxsw_sp_tclass_congestion_enable(struct mlxsw_sp_port *mlxsw_sp_port,
 				  int tclass_num, u32 min, u32 max,
@@ -452,24 +470,15 @@ mlxsw_sp_qdisc_get_red_stats(struct mlxsw_sp_port *mlxsw_sp_port,
 	u8 tclass_num = mlxsw_sp_qdisc->tclass_num;
 	struct mlxsw_sp_qdisc_stats *stats_base;
 	struct mlxsw_sp_port_xstats *xstats;
-	u64 tx_packets = 0;
-	u64 tx_bytes = 0;
-	u64 backlog = 0;
 	u64 overlimits;
-	u64 drops = 0;
 
 	xstats = &mlxsw_sp_port->periodic_hw_stats.xstats;
 	stats_base = &mlxsw_sp_qdisc->stats_base;
 
-	mlxsw_sp_qdisc_collect_tc_stats(mlxsw_sp_port, mlxsw_sp_qdisc,
-					&tx_bytes, &tx_packets,
-					&drops, &backlog);
+	mlxsw_sp_qdisc_get_tc_stats(mlxsw_sp_port, mlxsw_sp_qdisc, stats_ptr);
 	overlimits = xstats->wred_drop[tclass_num] + xstats->ecn -
 		     stats_base->overlimits;
 
-	mlxsw_sp_qdisc_update_stats(mlxsw_sp_port->mlxsw_sp, mlxsw_sp_qdisc,
-				    tx_bytes, tx_packets, drops, backlog,
-				    stats_ptr);
 	stats_ptr->qstats->overlimits += overlimits;
 	stats_base->overlimits += overlimits;
 
-- 
2.24.1


  parent reply	other threads:[~2020-01-24 13:24 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-24 13:23 [PATCH net-next 00/14] mlxsw: Offload TBF Ido Schimmel
2020-01-24 13:23 ` [PATCH net-next 01/14] net: sched: sch_tbf: Don't overwrite backlog before dumping Ido Schimmel
2020-01-24 13:23 ` [PATCH net-next 02/14] net: sched: Make TBF Qdisc offloadable Ido Schimmel
2020-01-24 13:23 ` [PATCH net-next 03/14] mlxsw: spectrum_qdisc: Extract a per-TC stat function Ido Schimmel
2020-01-24 14:03   ` Jiri Pirko
2020-01-24 13:23 ` Ido Schimmel [this message]
2020-01-24 14:26   ` [PATCH net-next 04/14] mlxsw: spectrum_qdisc: Add mlxsw_sp_qdisc_get_class_stats() Jiri Pirko
2020-01-24 13:23 ` [PATCH net-next 05/14] mlxsw: spectrum_qdisc: Extract a common leaf unoffload function Ido Schimmel
2020-01-24 15:04   ` Jiri Pirko
2020-01-24 13:23 ` [PATCH net-next 06/14] mlxsw: reg: Add max_shaper_bs to QoS ETS Element Configuration Ido Schimmel
2020-01-24 15:04   ` Jiri Pirko
2020-01-24 13:23 ` [PATCH net-next 07/14] mlxsw: reg: Increase MLXSW_REG_QEEC_MAS_DIS Ido Schimmel
2020-01-24 15:05   ` Jiri Pirko
2020-01-24 13:23 ` [PATCH net-next 08/14] mlxsw: spectrum: Add lowest_shaper_bs to struct mlxsw_sp Ido Schimmel
2020-01-24 15:06   ` Jiri Pirko
2020-01-24 13:23 ` [PATCH net-next 09/14] mlxsw: spectrum: Configure shaper rate and burst size together Ido Schimmel
2020-01-24 15:07   ` Jiri Pirko
2020-01-24 13:23 ` [PATCH net-next 10/14] mlxsw: spectrum_qdisc: Support offloading of TBF Qdisc Ido Schimmel
2020-01-24 15:27   ` Jiri Pirko
2020-01-24 13:23 ` [PATCH net-next 11/14] selftests: Move two functions from mlxsw's qos_lib to lib Ido Schimmel
2020-01-24 13:23 ` [PATCH net-next 12/14] selftests: forwarding: lib: Add helpers for busywaiting Ido Schimmel
2020-01-24 13:23 ` [PATCH net-next 13/14] selftests: forwarding: lib: Allow reading TC rule byte counters Ido Schimmel
2020-01-24 13:23 ` [PATCH net-next 14/14] selftests: mlxsw: Add a TBF selftest Ido Schimmel
2020-01-25 12:09 ` [PATCH net-next 00/14] mlxsw: Offload TBF David Miller

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