o = ss.taboption('advanced', form.Value, 'ifname', _('Interface name'), _('Override default interface name'));
o.optional = true;
- o.datatype = 'maxlength(15)';
+ o.datatype = 'netdevname';
o.placeholder = radioNet.getIfname();
if (/^radio\d+\.network/.test(o.placeholder))
o.placeholder = '';