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net/mlx5e: rep: Improve reg_cX conditions

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There is no point of calculating reg_c1 or overriding reg_c0 if we are
going to abort the function.

Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
This commit is contained in:
Saeed Mahameed 2020-12-14 14:07:19 -08:00
parent 3094552bcd
commit 03e219c4cf
1 changed files with 3 additions and 5 deletions
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8
drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
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@ -621,11 +621,7 @@ bool mlx5e_rep_tc_update_skb(struct mlx5_cqe64 *cqe,
int err;
reg_c0 = (be32_to_cpu(cqe->sop_drop_qpn) & MLX5E_TC_FLOW_ID_MASK);
if (reg_c0 == MLX5_FS_DEFAULT_FLOW_TAG)
reg_c0 = 0;
reg_c1 = be32_to_cpu(cqe->ft_metadata);
if (!reg_c0)
if (!reg_c0 || reg_c0 == MLX5_FS_DEFAULT_FLOW_TAG)
return true;
/* If reg_c0 is not equal to the default flow tag then skb->mark
@ -633,6 +629,8 @@ bool mlx5e_rep_tc_update_skb(struct mlx5_cqe64 *cqe,
*/
skb->mark = 0;
reg_c1 = be32_to_cpu(cqe->ft_metadata);
priv = netdev_priv(skb->dev);
esw = priv->mdev->priv.eswitch;