From 1631ab2e8d31577d65f4cf857f609ef3131ff61e Mon Sep 17 00:00:00 2001 From: Nogah Frankel Date: Wed, 28 Feb 2018 10:45:00 +0100 Subject: [PATCH] mlxsw: spectrum: qdiscs: Add priority map per qdisc Add priority map per qdisc, to indicate which priorities are being directed through this qdisc. Signed-off-by: Nogah Frankel Reviewed-by: Yuval Mintz Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- 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 858846a..0e02990 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, -- 2.7.4