smc_ism_get_vlan
if (ini->vlan_id && smc_ism_get_vlan(ini->ism_dev[0], ini->vlan_id))
if (smc_ism_get_vlan(ini->ism_dev[ini->ism_selected],
int smc_ism_get_vlan(struct smcd_dev *dev, unsigned short vlan_id);