SMB_TID_UNKNOWN
ssp->ss_tid = SMB_TID_UNKNOWN;
ssp->ss_tid = SMB_TID_UNKNOWN;
rqp->sr_rqtid = ssp ? ssp->ss_tid : SMB_TID_UNKNOWN;
rqp->sr_rqtid = SMB_TID_UNKNOWN;
if (ssp->ss_tid == SMB_TID_UNKNOWN)
ssp->ss_tid = SMB_TID_UNKNOWN;