These new settings cause that a pause frame for any prio stops
traffic for all prios.
Fixes: 564c274c3df0 ("net/mlx4_en: DCB QoS support") Signed-off-by: Moni Shoua <monis@mellanox.com> Signed-off-by: Maor Gottlieb <maorg@mellanox.com> Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>