LM_TPA_BD_ELEN_SIZE
bds_per_page = BD_PER_PAGE(LM_TPA_BD_ELEN_SIZE);
USABLE_BDS_PER_PAGE(LM_TPA_BD_ELEN_SIZE, TRUE));
lm_bd_chain_setup(pdev, bd_chain, bd_chain->bd_chain_virt, bd_chain->bd_chain_phy,bd_chain->page_cnt, LM_TPA_BD_ELEN_SIZE, /* is full? */0, TRUE);