PBF_REG_P0_PAUSE_ENABLE
REG_WR(cb, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
REG_WR(cb, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
REG_WR(pdev,(PORT_ID(pdev) ? PBF_REG_P1_PAUSE_ENABLE : PBF_REG_P0_PAUSE_ENABLE),0);