if_vxvar.h revision 331722 
1/*-
2 * Copyright (c) 1993 Herb Peyerl (hpeyerl@novatel.ca) All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: 1. Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer. 2. The name
8 * of the author may not be used to endorse or promote products derived from
9 * this software without specific prior written permission
10 *
11 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
12 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
14 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
15 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
16 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
17 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
18 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
19 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
20 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
21 *
22 * $FreeBSD: stable/11/sys/dev/vx/if_vxvar.h 331722 2018-03-29 02:50:57Z eadler $
23 *
24 October 2, 1994
25
26 Modified by: Andres Vega Garcia
27
28 INRIA - Sophia Antipolis, France
29 e-mail: avega@sophia.inria.fr
30 finger: avega@pax.inria.fr
31
32 */
33
34/*
35 * Ethernet software status per interface.
36 */
37struct vx_softc {
38	struct ifnet *vx_ifp;
39	bus_space_tag_t vx_bst;
40	bus_space_handle_t vx_bsh;
41	void *vx_intrhand;
42	struct resource *vx_irq;
43	struct resource *vx_res;
44#define MAX_MBS  8			/* # of mbufs we keep around	 */
45	struct mbuf *vx_mb[MAX_MBS];	/* spare mbuf storage.		 */
46	int vx_next_mb;			/* Which mbuf to use next. 	 */
47	int vx_last_mb;			/* Last mbuf.			 */
48	char vx_connectors;		/* Connectors on this card.	 */
49	char vx_connector;		/* Connector to use.		 */
50	short vx_tx_start_thresh;	/* Current TX_start_thresh.	 */
51	int vx_tx_succ_ok;		/* # packets sent in sequence	 */
52					/* w/o underrun			 */
53	struct callout vx_callout;	/* Callout for timeouts		 */
54	struct callout vx_watchdog;
55	struct mtx vx_mtx;
56	int vx_buffill_pending;
57	int vx_timer;
58};
59
60#define CSR_WRITE_4(sc, reg, val)	\
61	bus_space_write_4(sc->vx_bst, sc->vx_bsh, reg, val)
62#define CSR_WRITE_2(sc, reg, val)	\
63	bus_space_write_2(sc->vx_bst, sc->vx_bsh, reg, val)
64#define CSR_WRITE_1(sc, reg, val)	\
65	bus_space_write_1(sc->vx_bst, sc->vx_bsh, reg, val)
66
67#define CSR_READ_4(sc, reg)		\
68	bus_space_read_4(sc->vx_bst, sc->vx_bsh, reg)
69#define CSR_READ_2(sc, reg)		\
70	bus_space_read_2(sc->vx_bst, sc->vx_bsh, reg)
71#define CSR_READ_1(sc, reg)		\
72	bus_space_read_1(sc->vx_bst, sc->vx_bsh, reg)
73
74#define	VX_LOCK(sc)		mtx_lock(&(sc)->vx_mtx)
75#define	VX_UNLOCK(sc)		mtx_unlock(&(sc)->vx_mtx)
76#define	VX_LOCK_ASSERT(sc)	mtx_assert(&(sc)->vx_mtx, MA_OWNED)
77
78int	vx_attach(device_t);
79void	vx_stop(struct vx_softc *);
80void	vx_intr(void *);
81int	vx_busy_eeprom(struct vx_softc *);
82