iflib_completed_tx_reclaim
(void)iflib_completed_tx_reclaim(txq, RECLAIM_THRESH(ctx));
reclaimed = iflib_completed_tx_reclaim(txq, RECLAIM_THRESH(ctx));
(void)iflib_completed_tx_reclaim(txq, RECLAIM_THRESH(ctx));
(void)iflib_completed_tx_reclaim(txq, RECLAIM_THRESH(ctx));
(void)iflib_completed_tx_reclaim(txq, RECLAIM_THRESH(ctx));
static __inline int iflib_completed_tx_reclaim(iflib_txq_t txq, int thresh);