RDS_NUM_ACKS
if (((MaxDataSendBuffers + RDS_NUM_ACKS) > hattrp->hca_max_chan_sz) ||
((MaxDataSendBuffers + RDS_NUM_ACKS) > hattrp->hca_max_cq_sz)) {
RDS_NUM_ACKS, MaxDataSendBuffers, RDS_NUM_ACKS,
hattrp->hca_max_cq_sz - RDS_NUM_ACKS :
hattrp->hca_max_chan_sz - RDS_NUM_ACKS;
scqattr.cq_size = MaxDataSendBuffers + RDS_NUM_ACKS;
chanargs.rc_sizes.cs_sq = MaxDataSendBuffers + RDS_NUM_ACKS;