Commit 4b7d4363 authored Oct 10, 2017 by Tariq Toukan Committed by Saeed Mahameed Jan 12, 2018

net/mlx5e: Check support before TC swap in ETS init



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: 08fb1dac ("net/mlx5e: Support DCBNL IEEE ETS")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

parent 97c8c3aa

drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c

+5 −3

Original line number	Diff line number	Diff line
		@@ -937,9 +937,11 @@ static void mlx5e_ets_init(struct mlx5e_priv *priv)
		ets.prio_tc[i] = i;
		}

		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)