BTB_PURE_LB_FACTOR
pure_lb_blocks = (usable_blocks * BTB_PURE_LB_FACTOR) / (num_tcs_in_port * BTB_PURE_LB_FACTOR + BTB_PURE_LB_RATIO);
pure_lb_blocks = OSAL_MAX_T(u32, BTB_JUMBO_PKT_BLOCKS, pure_lb_blocks / BTB_PURE_LB_FACTOR);