xref: /freebsd/sys/dev/fxp/if_fxpvar.h (revision daf1cffce2e07931f27c6c6998652e90df6ba87e)
1 /*
2  * Copyright (c) 1995, David Greenman
3  * All rights reserved.
4  *
5  * Modifications to support NetBSD:
6  * Copyright (c) 1997 Jason R. Thorpe.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice unmodified, this list of conditions, and the following
13  *    disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 /*
34  * Misc. defintions for the Intel EtherExpress Pro/100B PCI Fast
35  * Ethernet driver
36  */
37 /*
38  * NOTE: Elements are ordered for optimal cacheline behavior, and NOT
39  *	 for functional grouping.
40  */
41 struct fxp_softc {
42 #if defined(__NetBSD__)
43 	struct device sc_dev;		/* generic device structures */
44 	void *sc_ih;			/* interrupt handler cookie */
45 	struct ethercom sc_ethercom;	/* ethernet common part */
46 #else
47 	struct arpcom arpcom;		/* per-interface network data */
48 	struct resource *mem;		/* resource descriptor for registers */
49 	struct resource *irq;		/* resource descriptor for interrupt */
50 	void *ih;			/* interrupt handler cookie */
51 #endif /* __NetBSD__ */
52 	bus_space_tag_t sc_st;		/* bus space tag */
53 	bus_space_handle_t sc_sh;	/* bus space handle */
54 	struct mbuf *rfa_headm;		/* first mbuf in receive frame area */
55 	struct mbuf *rfa_tailm;		/* last mbuf in receive frame area */
56 	struct fxp_cb_tx *cbl_first;	/* first active TxCB in list */
57 	int tx_queued;			/* # of active TxCB's */
58 	int need_mcsetup;		/* multicast filter needs programming */
59 	struct fxp_cb_tx *cbl_last;	/* last active TxCB in list */
60 	struct fxp_stats *fxp_stats;	/* Pointer to interface stats */
61 	int rx_idle_secs;		/* # of seconds RX has been idle */
62 	struct callout_handle stat_ch;	/* Handle for canceling our stat timeout */
63 	struct fxp_cb_tx *cbl_base;	/* base of TxCB list */
64 	struct fxp_cb_mcs *mcsp;	/* Pointer to mcast setup descriptor */
65 	int all_mcasts;			/* receive all multicasts */
66 	struct ifmedia sc_media;	/* media information */
67 	int phy_primary_addr;		/* address of primary PHY */
68 	int phy_primary_device;		/* device type of primary PHY */
69 	int phy_10Mbps_only;		/* PHY is 10Mbps-only device */
70 };
71 
72 /* Macros to ease CSR access. */
73 #define	CSR_READ_1(sc, reg)						\
74 	bus_space_read_1((sc)->sc_st, (sc)->sc_sh, (reg))
75 #define	CSR_READ_2(sc, reg)						\
76 	bus_space_read_2((sc)->sc_st, (sc)->sc_sh, (reg))
77 #define	CSR_READ_4(sc, reg)						\
78 	bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
79 #define	CSR_WRITE_1(sc, reg, val)					\
80 	bus_space_write_1((sc)->sc_st, (sc)->sc_sh, (reg), (val))
81 #define	CSR_WRITE_2(sc, reg, val)					\
82 	bus_space_write_2((sc)->sc_st, (sc)->sc_sh, (reg), (val))
83 #define	CSR_WRITE_4(sc, reg, val)					\
84 	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
85 
86 /* Deal with slight differences in software interfaces. */
87 #if defined(__NetBSD__)
88 #define	sc_if			sc_ethercom.ec_if
89 #define	FXP_FORMAT		"%s"
90 #define	FXP_ARGS(sc)		(sc)->sc_dev.dv_xname
91 #define	FXP_INTR_TYPE		int
92 #define	FXP_IOCTLCMD_TYPE	u_long
93 #define	FXP_BPFTAP_ARG(ifp)	(ifp)->if_bpf
94 #else /* __FreeBSD__ */
95 #define	sc_if			arpcom.ac_if
96 #define	FXP_FORMAT		"fxp%d"
97 #define	FXP_ARGS(sc)		(sc)->arpcom.ac_if.if_unit
98 #define	FXP_INTR_TYPE		void
99 #define	FXP_IOCTLCMD_TYPE	u_long
100 #define	FXP_BPFTAP_ARG(ifp)	ifp
101 #endif /* __NetBSD__ */
102