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From: Jiri Pirko <jiri@resnulli.us>
To: netdev@vger.kernel.org
Cc: nogahf@mellanox.com, yuvalm@mellanox.com, davem@davemloft.net,
	idosch@mellanox.com, mlxsw@mellanox.com, jhs@mojatatu.com,
	xiyou.wangcong@gmail.com, kubakici@wp.pl
Subject: [patch net-next 03/10] mlxsw: spectrum: qdiscs: Add priority map per qdisc
Date: Wed, 28 Feb 2018 10:45:00 +0100	[thread overview]
Message-ID: <20180228094507.22354-4-jiri@resnulli.us> (raw)
In-Reply-To: <20180228094507.22354-1-jiri@resnulli.us>

From: Nogah Frankel <nogahf@mellanox.com>

Add priority map per qdisc, to indicate which priorities are being
directed through this qdisc.

Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Reviewed-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c
index 858846a019ae..0e0299020d82 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c
@@ -78,6 +78,7 @@ struct mlxsw_sp_qdisc_ops {
 struct mlxsw_sp_qdisc {
 	u32 handle;
 	u8 tclass_num;
+	u8 prio_bitmap;
 	union {
 		struct red_stats red;
 	} xstats_base;
@@ -467,6 +468,7 @@ mlxsw_sp_qdisc_prio_destroy(struct mlxsw_sp_port *mlxsw_sp_port,
 					  MLXSW_SP_PORT_DEFAULT_TCLASS);
 		mlxsw_sp_qdisc_destroy(mlxsw_sp_port,
 				       &mlxsw_sp_port->tclass_qdiscs[i]);
+		mlxsw_sp_port->tclass_qdiscs[i].prio_bitmap = 0;
 	}
 
 	return 0;
@@ -494,11 +496,15 @@ mlxsw_sp_qdisc_prio_replace(struct mlxsw_sp_port *mlxsw_sp_port,
 	int tclass, i;
 	int err;
 
+	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
+		mlxsw_sp_port->tclass_qdiscs[i].prio_bitmap = 0;
+
 	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
 		tclass = MLXSW_SP_PRIO_BAND_TO_TCLASS(p->priomap[i]);
 		err = mlxsw_sp_port_prio_tc_set(mlxsw_sp_port, i, tclass);
 		if (err)
 			return err;
+		mlxsw_sp_port->tclass_qdiscs[tclass].prio_bitmap |= BIT(i);
 	}
 
 	return 0;
@@ -628,6 +634,7 @@ int mlxsw_sp_tc_qdisc_init(struct mlxsw_sp_port *mlxsw_sp_port)
 		goto err_root_qdisc_init;
 
 	mlxsw_sp_port->root_qdisc = mlxsw_sp_qdisc;
+	mlxsw_sp_port->root_qdisc->prio_bitmap = 0xff;
 	mlxsw_sp_port->root_qdisc->tclass_num = MLXSW_SP_PORT_DEFAULT_TCLASS;
 
 	mlxsw_sp_qdisc = kzalloc(sizeof(*mlxsw_sp_qdisc) * IEEE_8021QAZ_MAX_TCS,
-- 
2.14.3

  parent reply	other threads:[~2018-02-28  9:45 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-28  9:44 [patch net-next 00/10] mlxsw: Offload multi-queue RED support Jiri Pirko
2018-02-28  9:44 ` [patch net-next 01/10] mlxsw: spectrum: qdiscs: Support qdisc per tclass Jiri Pirko
2018-02-28  9:44 ` [patch net-next 02/10] mlxsw: spectrum: Add priority counters Jiri Pirko
2018-02-28  9:45 ` Jiri Pirko [this message]
2018-02-28  9:45 ` [patch net-next 04/10] mlxsw: spectrum: qdiscs: Collect stats for sch_red based on priomap Jiri Pirko
2018-02-28  9:45 ` [patch net-next 05/10] mlxsw: spectrum: qdiscs: Update backlog handling of a child qdiscs Jiri Pirko
2018-02-28  9:45 ` [patch net-next 06/10] net: sch: Don't warn on missmatching qlen and backlog for offloaded qdiscs Jiri Pirko
2018-02-28  9:45 ` [patch net-next 07/10] mlxsw: spectrum: Update sch_prio stats to include sch_red related drops Jiri Pirko
2018-02-28  9:45 ` [patch net-next 08/10] mlxsw: spectrum: qdiscs: prio: Delete child qdiscs when removing bands Jiri Pirko
2018-02-28  9:45 ` [patch net-next 09/10] net: sch: prio: Add offload ability for grafting a child Jiri Pirko
2018-03-02  3:38   ` Alexander Aring
2018-03-02  3:48     ` Jakub Kicinski
2018-03-02  8:37       ` Jiri Pirko
2018-03-02 14:21         ` Alexander Aring
2018-03-02 14:45           ` Marcelo Ricardo Leitner
2018-02-28  9:45 ` [patch net-next 10/10] mlxsw: spectrum: qdiscs: prio: Handle graft command Jiri Pirko
2018-02-28 17:15 ` [patch net-next 00/10] mlxsw: Offload multi-queue RED support David Miller

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