IB_GRH_BYTES
#define IRDMA_MIN_MTU_HEADERS IB_GRH_BYTES + IB_BTH_BYTES + 28
qp->wqe_wr_id[qp->sq.prod].bytes_len = IB_GRH_BYTES; //RDMA_GRH_BYTES
(grh_present ? IB_GRH_BYTES : 0) +
len += IB_GRH_BYTES;
buf = (char *)buf + IB_GRH_BYTES;
0, priv->max_ib_mtu + IB_GRH_BYTES, IPOIB_UD_RX_SG);
mtu = mtu - IB_GRH_BYTES - IB_BTH_BYTES - 28;