eri_tmd
bzero((caddr_t)erip->eri_tmdp, ERI_TPENDING * sizeof (struct eri_tmd));
(ERI_TPENDING * sizeof (struct eri_tmd)), DDI_DMA_SYNC_FORDEV);
ERI_TPENDING * sizeof (struct eri_tmd)) + ERI_GMDALIGN;
erip->eri_tmdp = (struct eri_tmd *)a;
volatile struct eri_tmd *tmdp = NULL;
volatile struct eri_tmd *tbasep = NULL;
ERI_SYNCIOPB(erip, tmdp, sizeof (struct eri_tmd),
volatile struct eri_tmd *tmdp;
struct eri_tmd *tcomp;
struct eri_tmd *tbasep;
struct eri_tmd *tlimp;
struct eri_tmd *eri_tmdp; /* xmit descript ring start */
struct eri_tmd *eri_tmdlimp; /* xmit descript ring end */
volatile struct eri_tmd *tnextp; /* next free tmd */
volatile struct eri_tmd *tcurp; /* nxt tmd to reclaim(used) */