if_vxvar.h revision 121491 
1208963Srdivacky/*
2208963Srdivacky * Copyright (c) 1993 Herb Peyerl (hpeyerl@novatel.ca) All rights reserved.
3246259Sdim *
4246259Sdim * Redistribution and use in source and binary forms, with or without
5208963Srdivacky * modification, are permitted provided that the following conditions are
6208963Srdivacky * met: 1. Redistributions of source code must retain the above copyright
7208963Srdivacky * notice, this list of conditions and the following disclaimer. 2. The name
8210299Sed * of the author may not be used to endorse or promote products derived from
9210299Sed * this software without specific prior written permission
10210299Sed *
11210299Sed * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
12210299Sed * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
13210299Sed * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
14234353Sdim * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
15210299Sed * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
16234353Sdim * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
17249423Sdim * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
18210299Sed * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
19210299Sed * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
20210299Sed * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
21210299Sed *
22210299Sed * $FreeBSD: head/sys/dev/vx/if_vxvar.h 121491 2003-10-25 04:05:33Z imp $
23210299Sed *
24210299Sed October 2, 1994
25210299Sed
26210299Sed Modified by: Andres Vega Garcia
27210299Sed
28210299Sed INRIA - Sophia Antipolis, France
29210299Sed e-mail: avega@sophia.inria.fr
30208963Srdivacky finger: avega@pax.inria.fr
31218893Sdim
32218893Sdim */
33210299Sed
34208963Srdivacky/*
35208963Srdivacky * Ethernet software status per interface.
36 */
37struct vx_softc {
38    struct arpcom arpcom;	/* Ethernet common part		*/
39    int unit;			/* unit number */
40    bus_space_tag_t		bst;
41    bus_space_handle_t		bsh;
42    void			*vx_intrhand;
43    struct resource		*vx_irq;
44    struct resource		*vx_res;
45#define MAX_MBS  8		/* # of mbufs we keep around	*/
46    struct mbuf *mb[MAX_MBS];	/* spare mbuf storage.		*/
47    int next_mb;		/* Which mbuf to use next. 	*/
48    int last_mb;		/* Last mbuf.			*/
49    char vx_connectors;		/* Connectors on this card.	*/
50    char vx_connector;		/* Connector to use.		*/
51    short tx_start_thresh;	/* Current TX_start_thresh.	*/
52    int	tx_succ_ok;		/* # packets sent in sequence	*/
53				/* w/o underrun			*/
54    struct callout_handle ch;	/* Callout handle for timeouts  */
55    int	buffill_pending;
56};
57
58#define CSR_WRITE_4(sc, reg, val)	\
59	bus_space_write_4(sc->bst, sc->bsh, reg, val)
60#define CSR_WRITE_2(sc, reg, val)	\
61	bus_space_write_2(sc->bst, sc->bsh, reg, val)
62#define CSR_WRITE_1(sc, reg, val)	\
63	bus_space_write_1(sc->bst, sc->bsh, reg, val)
64
65#define CSR_READ_4(sc, reg)		\
66	bus_space_read_4(sc->bst, sc->bsh, reg)
67#define CSR_READ_2(sc, reg)		\
68	bus_space_read_2(sc->bst, sc->bsh, reg)
69#define CSR_READ_1(sc, reg)		\
70	bus_space_read_1(sc->bst, sc->bsh, reg)
71
72extern void vxfree(struct vx_softc *);
73extern int vxattach(struct vx_softc *);
74extern void vxstop(struct vx_softc *);
75extern void vxintr(void *);
76extern int vxbusyeeprom(struct vx_softc *);
77