diff options
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c index b722af360475..5ddaafc8aa18 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c @@ -294,6 +294,12 @@ static int mlxsw_sp_qdisc_red_destroy(struct mlxsw_sp_port *mlxsw_sp_port, struct mlxsw_sp_qdisc *mlxsw_sp_qdisc) { + struct mlxsw_sp_qdisc *root_qdisc = mlxsw_sp_port->root_qdisc; + + if (root_qdisc != mlxsw_sp_qdisc) + root_qdisc->stats_base.backlog -= + mlxsw_sp_qdisc->stats_base.backlog; + return mlxsw_sp_tclass_congestion_disable(mlxsw_sp_port, mlxsw_sp_qdisc->tclass_num); } @@ -358,6 +364,7 @@ mlxsw_sp_qdisc_red_unoffload(struct mlxsw_sp_port *mlxsw_sp_port, backlog = mlxsw_sp_cells_bytes(mlxsw_sp_port->mlxsw_sp, mlxsw_sp_qdisc->stats_base.backlog); p->qstats->backlog -= backlog; + mlxsw_sp_qdisc->stats_base.backlog = 0; } static int @@ -512,7 +519,7 @@ mlxsw_sp_qdisc_prio_replace(struct mlxsw_sp_port *mlxsw_sp_port, { struct tc_prio_qopt_offload_params *p = params; struct mlxsw_sp_qdisc *child_qdisc; - int tclass, i, band; + int tclass, i, band, backlog; u8 old_priomap; int err; @@ -533,9 +540,12 @@ mlxsw_sp_qdisc_prio_replace(struct mlxsw_sp_port *mlxsw_sp_port, } } if (old_priomap != child_qdisc->prio_bitmap && - child_qdisc->ops && child_qdisc->ops->clean_stats) + child_qdisc->ops && child_qdisc->ops->clean_stats) { + backlog = child_qdisc->stats_base.backlog; child_qdisc->ops->clean_stats(mlxsw_sp_port, child_qdisc); + child_qdisc->stats_base.backlog = backlog; + } } return 0; |