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Commit 1631ab2e authored by Nogah Frankel's avatar Nogah Frankel Committed by David S. Miller
Browse files

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: default avatarNogah Frankel <nogahf@mellanox.com>
Reviewed-by: default avatarYuval Mintz <yuvalm@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2f88047e

drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c

+7 −0
Original line number Diff line number Diff line
@@ -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,