drbr_flush
drbr_flush(adapter->netdev, tx_ring->br);
#define TXQ_RING_FLUSH(qs) drbr_flush((qs)->port->ifp, (qs)->txq[TXQ_ETH].txq_mr)
drbr_flush(adapter->ifp, tx_ring->br);
drbr_flush(adapter->ifp, tx_ring->br);
drbr_flush(ifp, tx_ring->br);
drbr_flush(ifp, tx->br);
drbr_flush(apc->ndev, txq->txq_br);
void drbr_flush(struct ifnet *ifp, struct buf_ring *br);
drbr_flush(NULL, br);