ATH_TXMAXTRY
amn->amn_tx_try0 = ATH_TXMAXTRY;
on->on_tx_try0 = ATH_TXMAXTRY; /* max tries at rate 0 */
*try0 = ATH_TXMAXTRY;
*try0 = ATH_TXMAXTRY;
*try0 = mrr ? sn->sched[rix].t0 : ATH_TXMAXTRY;
if (bf->bf_state.bfs_ismrr && try0 != ATH_TXMAXTRY)
try0 = ATH_TXMAXTRY; /* XXX?too many? */
try0 = ATH_TXMAXTRY; /* XXX?too many? */