SO_L2CAP_IMTU
if (getsockopt(ss->s, BTPROTO_L2CAP, SO_L2CAP_IMTU, &ss->imtu, &size) < 0) {
case SO_L2CAP_IMTU: /* set Incoming MTU */
case SO_L2CAP_IMTU: /* set Incoming MTU */
case SO_L2CAP_IMTU: /* get Incoming MTU */
case SO_L2CAP_IMTU: /* get incoming MTU */
case SO_L2CAP_IMTU: /* set incoming MTU */
l2sopt.sopt_name = SO_L2CAP_IMTU;
if (getsockopt(l2sock, BTPROTO_L2CAP, SO_L2CAP_IMTU, &imtu, &size) < 0) {