From: Tariq Toukan <[email protected]>
Should not do the following swap between TCs 0 and 1
when max num of TCs is 1:
tclass[prio=0]=1, tclass[prio=1]=0, tclass[prio=i]=i (for i>1)
Fixes: 08fb1dacdd76 ("net/mlx5e: Support DCBNL IEEE ETS")
Signed-off-by: Tariq Toukan <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
---
drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
index a5c5134f5cb2..3d46ef48d5b8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -937,9 +937,11 @@ static void mlx5e_ets_init(struct mlx5e_priv *priv)
ets.prio_tc[i] = i;
}
- /* tclass[prio=0]=1, tclass[prio=1]=0, tclass[prio=i]=i (for i>1) */
- ets.prio_tc[0] = 1;
- ets.prio_tc[1] = 0;
+ if (ets.ets_cap > 1) {
+ /* tclass[prio=0]=1, tclass[prio=1]=0, tclass[prio=i]=i (for
i>1) */
+ ets.prio_tc[0] = 1;
+ ets.prio_tc[1] = 0;
+ }
err = mlx5e_dcbnl_ieee_setets_core(priv, &ets);
if (err)
--
2.13.0
