sis_desc
paddr = ld->sis_tx_paddr + (nexti * sizeof(struct sis_desc));
paddr = ld->sis_rx_paddr + (nexti * sizeof(struct sis_desc));
struct sis_desc *c = &sc->sis_ldata.sis_rx_list[idx];
struct sis_desc *cur_rx;
struct sis_desc *cur_tx;
struct sis_desc *f = &ld->sis_tx_list[frag];
#define SIS_RX_LIST_SZ (SIS_RX_LIST_CNT * sizeof(struct sis_desc))
#define SIS_TX_LIST_SZ (SIS_TX_LIST_CNT * sizeof(struct sis_desc))
struct sis_desc *sis_rx_list;
struct sis_desc *sis_tx_list;