MAXIMUM_PACKET_SIZE
REG_WR(pdev,(PORT_ID(pdev) ? PBF_REG_P1_ARB_THRSH : PBF_REG_P0_ARB_THRSH),(MAXIMUM_PACKET_SIZE/16));
REG_WR(pdev,(PORT_ID(pdev) ? PBF_REG_P1_INIT_CRD : PBF_REG_P0_INIT_CRD),(MAXIMUM_PACKET_SIZE/16) + 553 -22);