DEF_PAUSE_OFF_THRES
xgene_enet_wr_csr(pdata, RXBUF_PAUSE_OFF_THRESH, DEF_PAUSE_OFF_THRES);
data2 = (data2 & 0xffff0000) | DEF_PAUSE_OFF_THRES;
data2 = (data2 & 0xffff) | (DEF_PAUSE_OFF_THRES << 16);
data = (DEF_PAUSE_OFF_THRES << 16) | DEF_PAUSE_THRES;