IRDMA_MTU_TO_MSS_IPV4
cm_node->tcp_cntxt.mss = iwdev->vsi.mtu - IRDMA_MTU_TO_MSS_IPV4;
(tmp + IRDMA_MTU_TO_MSS_IPV4) < IRDMA_MIN_MTU_IPV4) ||
(ieq->vsi->mtu - IRDMA_MTU_TO_MSS_IPV4) :