if_fxpvar.h revision 66045 
1/*
2 * Copyright (c) 1995, David Greenman
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice unmodified, this list of conditions, and the following
10 *    disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: head/sys/dev/fxp/if_fxpvar.h 66045 2000-09-18 21:12:19Z dg $
28 */
29
30/*
31 * Misc. defintions for the Intel EtherExpress Pro/100B PCI Fast
32 * Ethernet driver
33 */
34/*
35 * NOTE: Elements are ordered for optimal cacheline behavior, and NOT
36 *	 for functional grouping.
37 */
38struct fxp_softc {
39	struct arpcom arpcom;		/* per-interface network data */
40	struct resource *mem;		/* resource descriptor for registers */
41	struct resource *irq;		/* resource descriptor for interrupt */
42	void *ih;			/* interrupt handler cookie */
43	struct mtx sc_mtx;
44	bus_space_tag_t sc_st;		/* bus space tag */
45	bus_space_handle_t sc_sh;	/* bus space handle */
46	struct mbuf *rfa_headm;		/* first mbuf in receive frame area */
47	struct mbuf *rfa_tailm;		/* last mbuf in receive frame area */
48	struct fxp_cb_tx *cbl_first;	/* first active TxCB in list */
49	int tx_queued;			/* # of active TxCB's */
50	int need_mcsetup;		/* multicast filter needs programming */
51	struct fxp_cb_tx *cbl_last;	/* last active TxCB in list */
52	struct fxp_stats *fxp_stats;	/* Pointer to interface stats */
53	int rx_idle_secs;		/* # of seconds RX has been idle */
54	struct callout_handle stat_ch;	/* Handle for canceling our stat timeout */
55	struct fxp_cb_tx *cbl_base;	/* base of TxCB list */
56	struct fxp_cb_mcs *mcsp;	/* Pointer to mcast setup descriptor */
57	int all_mcasts;			/* receive all multicasts */
58	struct ifmedia sc_media;	/* media information */
59	int phy_primary_addr;		/* address of primary PHY */
60	int phy_primary_device;		/* device type of primary PHY */
61	int phy_10Mbps_only;		/* PHY is 10Mbps-only device */
62	int eeprom_size;		/* size of serial EEPROM */
63	int suspended;			/* 0 = normal  1 = suspended (APM) */
64	u_int32_t saved_maps[5];	/* pci data */
65	u_int32_t saved_biosaddr;
66	u_int8_t saved_intline;
67	u_int8_t saved_cachelnsz;
68	u_int8_t saved_lattimer;
69};
70
71/* Macros to ease CSR access. */
72#define	CSR_READ_1(sc, reg)						\
73	bus_space_read_1((sc)->sc_st, (sc)->sc_sh, (reg))
74#define	CSR_READ_2(sc, reg)						\
75	bus_space_read_2((sc)->sc_st, (sc)->sc_sh, (reg))
76#define	CSR_READ_4(sc, reg)						\
77	bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
78#define	CSR_WRITE_1(sc, reg, val)					\
79	bus_space_write_1((sc)->sc_st, (sc)->sc_sh, (reg), (val))
80#define	CSR_WRITE_2(sc, reg, val)					\
81	bus_space_write_2((sc)->sc_st, (sc)->sc_sh, (reg), (val))
82#define	CSR_WRITE_4(sc, reg, val)					\
83	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
84
85#define	sc_if			arpcom.ac_if
86#define	FXP_UNIT(_sc)		(_sc)->arpcom.ac_if.if_unit
87#define	FXP_LOCK(_sc)		mtx_enter(&(_sc)->sc_mtx, MTX_DEF)
88#define	FXP_UNLOCK(_sc)		mtx_exit(&(_sc)->sc_mtx, MTX_DEF)
89