bt_sock_register
int bt_sock_register(int proto, const struct net_proto_family *ops);
EXPORT_SYMBOL(bt_sock_register);
err = bt_sock_register(BTPROTO_BNEP, &bnep_sock_family_ops);
err = bt_sock_register(BTPROTO_CMTP, &cmtp_sock_family_ops);
err = bt_sock_register(BTPROTO_HCI, &hci_sock_family_ops);
err = bt_sock_register(BTPROTO_HIDP, &hidp_sock_family_ops);
err = bt_sock_register(BTPROTO_ISO, &iso_sock_family_ops);
err = bt_sock_register(BTPROTO_L2CAP, &l2cap_sock_family_ops);
err = bt_sock_register(BTPROTO_RFCOMM, &rfcomm_sock_family_ops);
err = bt_sock_register(BTPROTO_SCO, &sco_sock_family_ops);