328 struct tulip_softc {  struct
329 	device_t sc_dev;		/* generic device information */
330 	bus_space_tag_t sc_st;		/* bus space tag */
331 	bus_space_handle_t sc_sh;	/* bus space handle */
332 	bus_dma_tag_t sc_dmat;		/* bus DMA tag */
333 	struct ethercom sc_ethercom;	/* ethernet common data */
335 	struct tulip_stats sc_stats;	/* debugging stats */
340 	uint8_t *sc_srom;
341 	int sc_srom_addrbits;
346 	const struct tulip_mediasw *sc_mediasw;
347 	mii_bitbang_ops_t sc_bitbang_ops;
376 	void		(*sc_reset)(struct tulip_softc *);  argument
379 	void		(*sc_preinit)(struct tulip_softc *);  argument
382 	void		(*sc_filter_setup)(struct tulip_softc *);  argument
392 	int		(*sc_enable)(struct tulip_softc *);  argument
393 	void		(*sc_disable)(struct tulip_softc *);  argument
394 	void		(*sc_power)(struct tulip_softc *, int);  argument
400 	int		sc_regshift;
402 	uint32_t	sc_busmode;	/* copy of CSR_BUSMODE */
403 	uint32_t	sc_opmode;	/* copy of CSR_OPMODE */
404 	uint32_t	sc_inten;	/* copy of CSR_INTEN */
406 	uint32_t	sc_rxint_mask;	/* mask of Rx interrupts we want */
407 	uint32_t	sc_txint_mask;	/* mask of Tx interrupts we want */
409 	uint32_t	sc_filtmode;	/* filter mode we're using */
411 	bus_dma_segment_t sc_cdseg;	/* control data memory */
412 	int		sc_cdnseg;	/* number of segments */
413 	bus_dmamap_t sc_cddmamap;	/* control data DMA map */
419 	struct tulip_txsoft sc_txsoft[TULIP_TXQUEUELEN];
420 	struct tulip_rxsoft sc_rxsoft[TULIP_NRXDESC];
425 	struct tulip_control_data *sc_control_data;
430 	int	sc_txfree;		/* number of free Tx descriptors */
431 	int	sc_txnext;		/* next ready Tx descriptor */
432 	int	sc_ntxsegs;		/* number of transmit segs per pkt */
434 	uint32_t sc_tdctl_ch;		/* conditional desc chaining */
435 	uint32_t sc_tdctl_er;		/* conditional desc end-of-ring */
437 	uint32_t sc_setup_fsls;	/* FS|LS on setup descriptor */
439 	struct tulip_txsq sc_txfreeq;	/* free Tx descsofts */
440 	struct tulip_txsq sc_txdirtyq;	/* dirty Tx descsofts */
442 	u_short	sc_if_flags;
444 	int	sc_rxptr;		/* next ready RX descriptor/descsoft */
446 	krndsource_t sc_rnd_source; /* random source */