fifo_space       1151 dev/pci/if_em.c 	int fifo_space, fifo_pkt_len;
fifo_space       1156 dev/pci/if_em.c 		fifo_space = sc->tx_fifo_size - sc->tx_fifo_head;
fifo_space       1158 dev/pci/if_em.c 		if (fifo_pkt_len >= (EM_82547_PKT_THRESH + fifo_space)) {