if_epvar.h revision 147715 
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: head/sys/dev/ep/if_epvar.h 147715 2005-07-01 04:23:32Z imp $
23 */
24
25struct ep_board {
26	u_short prod_id;	/* product ID */
27	int cmd_off;		/* command offset (bit shift) */
28	int mii_trans;		/* activate MII transiever */
29	u_short res_cfg;	/* resource configuration */
30};
31
32/*
33 * Ethernet software status per interface.
34 */
35struct ep_softc {
36	struct ifnet *ifp;
37	struct ifmedia ifmedia;	/* media info		 */
38
39	device_t dev;
40
41	struct mtx sc_mtx;
42	struct resource *iobase;
43	struct resource *irq;
44
45	bus_space_handle_t bsh;
46	bus_space_tag_t bst;
47	void *ep_intrhand;
48
49	u_short ep_connectors;	/* Connectors on this card. */
50	u_char ep_connector;	/* Configured connector. */
51
52	struct mbuf *top;
53	struct mbuf *mcur;
54	short cur_len;
55
56	int stat;		/* some flags */
57#define	F_RX_FIRST		0x001
58#define F_ENADDR_SKIP		0x002
59#define	F_PROMISC		0x008
60#define	F_ACCESS_32_BITS	0x100
61
62	int gone;		/* adapter is not present (for PCCARD) */
63	struct ep_board epb;
64	uint8_t eaddr[6];
65
66#ifdef  EP_LOCAL_STATS
67	short tx_underrun;
68	short rx_no_first;
69	short rx_no_mbuf;
70	short rx_overrunf;
71	short rx_overrunl;
72#endif
73};
74
75int ep_alloc(device_t);
76void ep_free(device_t);
77int ep_detach(device_t);
78void ep_get_media(struct ep_softc *);
79int ep_attach(struct ep_softc *);
80void ep_intr(void *);
81int ep_get_e(struct ep_softc *, uint16_t, uint16_t *);
82
83#define CSR_READ_1(sc, off) (bus_space_read_1((sc)->bst, (sc)->bsh, off))
84#define CSR_READ_2(sc, off) (bus_space_read_2((sc)->bst, (sc)->bsh, off))
85#define CSR_WRITE_1(sc, off, val) \
86	bus_space_write_1(sc->bst, sc->bsh, off, val)
87#define CSR_WRITE_2(sc, off, val) \
88	bus_space_write_2(sc->bst, sc->bsh, off, val)
89#define CSR_WRITE_MULTI_1(sc, off, addr, count) \
90	bus_space_write_multi_1(sc->bst, sc->bsh, off, addr, count)
91#define CSR_WRITE_MULTI_2(sc, off, addr, count) \
92	bus_space_write_multi_2(sc->bst, sc->bsh, off, addr, count)
93#define CSR_WRITE_MULTI_4(sc, off, addr, count) \
94	bus_space_write_multi_4(sc->bst, sc->bsh, off, addr, count)
95#define CSR_READ_MULTI_1(sc, off, addr, count) \
96	bus_space_read_multi_1(sc->bst, sc->bsh, off, addr, count)
97#define CSR_READ_MULTI_2(sc, off, addr, count) \
98	bus_space_read_multi_2(sc->bst, sc->bsh, off, addr, count)
99#define CSR_READ_MULTI_4(sc, off, addr, count) \
100	bus_space_read_multi_4(sc->bst, sc->bsh, off, addr, count)
101
102#define EP_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
103#define	EP_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
104#define EP_LOCK_INIT(_sc) \
105	mtx_init(&_sc->sc_mtx, device_get_nameunit(_sc->dev), \
106	    MTX_NETWORK_LOCK, MTX_DEF)
107#define EP_LOCK_DESTORY(_sc)	mtx_destroy(&_sc->sc_mtx);
108#define EP_ASSERT_LOCKED(_sc)	mtx_assert(&_sc->sc_mtx, MA_OWNED);
109#define EP_ASSERT_UNLOCKED(_sc)	mtx_assert(&_sc->sc_mtx, MA_NOTOWNED);
110