ALE_VLAN_MASK_MUX
writel(reg_mcast, ale->params.ale_regs + ALE_VLAN_MASK_MUX(idx));
writel(unreg_mcast, ale->params.ale_regs + ALE_VLAN_MASK_MUX(idx));
unreg_mcast = readl(ale->params.ale_regs + ALE_VLAN_MASK_MUX(idx));
writel(unreg_mcast, ale->params.ale_regs + ALE_VLAN_MASK_MUX(idx));