GRQ_XOFF_TH
#define GRQ_XON_TH (2*GRQ_XOFF_TH)
grq->low_bds_threshold = 3*GRQ_XOFF_TH;
pdev->toe_info.grqs[i].high_bds_threshold = 3*GRQ_XOFF_TH + 1;