On Sat, 2011-07-02 at 18:11 -0400, Marcel Holtmann wrote: > Hi Peter, > > > /* ---- HCI Ioctl requests structures ---- */ > > struct hci_dev_stats { > > + __u32 null_rx; /* # NULL pkts recvd */ > > __u32 err_rx; > > __u32 err_tx; > > __u32 cmd_tx; > > you can not do it like this. This will break userspace API/ABI. Thanks for the definitive answer, Marcel. I suspected as much (which is why I noted in the accompanying cover that this would be incompatible with previous userspace versions of this ioctl). Is the general plan then to freeze the existing raw HCI interface and only implement new userspace <-> kernel interfaces on mgmtops? Regards, Peter ��.n��������+%������w��{.n�����{����^n�r������&��z�ޗ�zf���h���~����������_��+v���)ߣ�