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mlxsw: spectrum: qdiscs: Add priority map per qdisc

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nogah Frankel 2018-02-28 10:45:00 +01:00 committed by David S. Miller
parent 2f88047ec4
commit 1631ab2e8d
1 changed files with 7 additions and 0 deletions
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7
drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c
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@ -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,