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mlxsw: spectrum: Forbid LAG slave from having VLAN uppers
When a port netdev is put under LAG it cannot have VLAN upper devices, so forbid that. The LAG device itself can have VLAN upper devices. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -3038,7 +3038,7 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *dev,
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!netif_is_lag_master(upper_dev) &&
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!netif_is_bridge_master(upper_dev))
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return -EINVAL;
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if (!info->master || !info->linking)
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if (!info->linking)
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break;
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/* HW limitation forbids to put ports to multiple bridges. */
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if (netif_is_bridge_master(upper_dev) &&
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@ -3048,6 +3048,11 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *dev,
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!mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev,
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info->upper_info))
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return -EINVAL;
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if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev))
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return -EINVAL;
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if (netif_is_lag_port(dev) && is_vlan_dev(upper_dev) &&
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!netif_is_lag_master(vlan_dev_real_dev(upper_dev)))
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return -EINVAL;
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break;
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case NETDEV_CHANGEUPPER:
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upper_dev = info->upper_dev;
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