if_epvar.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/ep/if_epvar.h 331722 2018-03-29 02:50:57Z eadler $
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	device_t dev;
39
40	struct mtx sc_mtx;
41	struct resource *iobase;
42	struct resource *irq;
43
44	bus_space_handle_t bsh;
45	bus_space_tag_t bst;
46	void *ep_intrhand;
47
48	struct callout watchdog_timer;
49	int tx_timer;
50
51	u_short ep_connectors;	/* Connectors on this card. */
52	u_char ep_connector;	/* Configured connector. */
53
54	struct mbuf *top;
55	struct mbuf *mcur;
56	short cur_len;
57
58	int stat;		/* some flags */
59#define	F_RX_FIRST		0x001
60#define F_ENADDR_SKIP		0x002
61#define	F_PROMISC		0x008
62#define	F_ACCESS_32_BITS	0x100
63#define	F_HAS_TX_PLL		0x200
64
65	int gone;		/* adapter is not present (for PCCARD) */
66	struct ep_board epb;
67	uint8_t eaddr[6];
68
69#ifdef  EP_LOCAL_STATS
70	short tx_underrun;
71	short rx_no_first;
72	short rx_no_mbuf;
73	short rx_overrunf;
74	short rx_overrunl;
75#endif
76};
77
78int ep_alloc(device_t);
79void ep_free(device_t);
80int ep_detach(device_t);
81void ep_get_media(struct ep_softc *);
82int ep_attach(struct ep_softc *);
83void ep_intr(void *);
84int ep_get_e(struct ep_softc *, uint16_t, uint16_t *);
85
86#define CSR_READ_1(sc, off) (bus_space_read_1((sc)->bst, (sc)->bsh, off))
87#define CSR_READ_2(sc, off) (bus_space_read_2((sc)->bst, (sc)->bsh, off))
88#define CSR_WRITE_1(sc, off, val) \
89	bus_space_write_1(sc->bst, sc->bsh, off, val)
90#define CSR_WRITE_2(sc, off, val) \
91	bus_space_write_2(sc->bst, sc->bsh, off, val)
92#define CSR_WRITE_MULTI_1(sc, off, addr, count) \
93	bus_space_write_multi_1(sc->bst, sc->bsh, off, addr, count)
94#define CSR_WRITE_MULTI_2(sc, off, addr, count) \
95	bus_space_write_multi_2(sc->bst, sc->bsh, off, addr, count)
96#define CSR_WRITE_MULTI_4(sc, off, addr, count) \
97	bus_space_write_multi_4(sc->bst, sc->bsh, off, addr, count)
98#define CSR_READ_MULTI_1(sc, off, addr, count) \
99	bus_space_read_multi_1(sc->bst, sc->bsh, off, addr, count)
100#define CSR_READ_MULTI_2(sc, off, addr, count) \
101	bus_space_read_multi_2(sc->bst, sc->bsh, off, addr, count)
102#define CSR_READ_MULTI_4(sc, off, addr, count) \
103	bus_space_read_multi_4(sc->bst, sc->bsh, off, addr, count)
104
105#define EP_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
106#define	EP_UNLOCK(_sc)		mtx_unlock(&(_sc)->sc_mtx)
107#define EP_LOCK_INIT(_sc) \
108	mtx_init(&_sc->sc_mtx, device_get_nameunit(_sc->dev), \
109	    MTX_NETWORK_LOCK, MTX_DEF)
110#define EP_LOCK_DESTROY(_sc)	mtx_destroy(&_sc->sc_mtx);
111#define EP_ASSERT_LOCKED(_sc)	mtx_assert(&_sc->sc_mtx, MA_OWNED);
112#define EP_ASSERT_UNLOCKED(_sc)	mtx_assert(&_sc->sc_mtx, MA_NOTOWNED);
113