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2a25c339c3
freebsd-skq/sys/dev/lmc/if_lmcvar.h
Poul-Henning Kamp 2a25c339c3 LanMedias driver sources for the LMC1000 and similar cards. 
Does not yet compile yet.
2000-04-26 06:02:13 +00:00

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/* $FreeBSD$ */
/* From NetBSD: if_devar.h,v 1.21 1997/10/16 22:02:32 matt Exp */
/* $Id: if_lmcvar.h,v 1.6 1999/01/12 14:16:58 explorer Exp $ */
/*-
* Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
* Copyright (c) LAN Media Corporation 1998, 1999.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software withough specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if !defined(_DEVAR_H)
#define _DEVAR_H
#define LMC_MTU 1500
#define PPP_HEADER_LEN 4
#define BIG_PACKET
#if !defined(PCI_VENDOR_LMC)
#define PCI_VENDOR_LMC 0x1376
#endif
#if !defined(PCI_PRODUCT_LMC_HSSI)
#define PCI_PRODUCT_LMC_HSSI 0x0003
#endif
#if !defined(PCI_PRODUCT_LMC_DS3)
#define PCI_PRODUCT_LMC_DS3 0x0004
#endif
#if !defined(PCI_PRODUCT_LMC_SSI)
#define PCI_PRODUCT_LMC_SSI 0x0005
#endif
#if !defined(PCI_PRODUCT_LMC_T1)
#define PCI_PRODUCT_LMC_T1 0x0006
#endif
#if defined(__NetBSD__)
#include "rnd.h"
#if NRND > 0
#include <sys/rnd.h>
#endif
typedef bus_addr_t lmc_csrptr_t;
#define LMC_CSR_READ(sc, csr) \
bus_space_read_4((sc)->lmc_bustag, (sc)->lmc_bushandle, (sc)->lmc_csrs.csr)
#define LMC_CSR_WRITE(sc, csr, val) \
bus_space_write_4((sc)->lmc_bustag, (sc)->lmc_bushandle, (sc)->lmc_csrs.csr, (val))
#define LMC_CSR_READBYTE(sc, csr) \
bus_space_read_1((sc)->lmc_bustag, (sc)->lmc_bushandle, (sc)->lmc_csrs.csr)
#define LMC_CSR_WRITEBYTE(sc, csr, val) \
bus_space_write_1((sc)->lmc_bustag, (sc)->lmc_bushandle, (sc)->lmc_csrs.csr, (val))
#endif /* __NetBSD__ */
#ifdef LMC_IOMAPPED
#define LMC_EISA_CSRSIZE 16
#define LMC_EISA_CSROFFSET 0
#define LMC_PCI_CSRSIZE 8
#define LMC_PCI_CSROFFSET 0
#if !defined(__NetBSD__)
typedef u_int16_t lmc_csrptr_t;
#define LMC_CSR_READ(sc, csr) (inl((sc)->lmc_csrs.csr))
#define LMC_CSR_WRITE(sc, csr, val) outl((sc)->lmc_csrs.csr, val)
#define LMC_CSR_READBYTE(sc, csr) (inb((sc)->lmc_csrs.csr))
#define LMC_CSR_WRITEBYTE(sc, csr, val) outb((sc)->lmc_csrs.csr, val)
#endif /* __NetBSD__ */
#else /* LMC_IOMAPPED */
#define LMC_PCI_CSRSIZE 8
#define LMC_PCI_CSROFFSET 0
#if !defined(__NetBSD__)
typedef volatile u_int32_t *lmc_csrptr_t;
/*
* macros to read and write CSRs. Note that the "0 +" in
* READ_CSR is to prevent the macro from being an lvalue
* and WRITE_CSR shouldn't be assigned from.
*/
#define LMC_CSR_READ(sc, csr) (0 + *(sc)->lmc_csrs.csr)
#define LMC_CSR_WRITE(sc, csr, val) ((void)(*(sc)->lmc_csrs.csr = (val)))
#endif /* __NetBSD__ */
#endif /* LMC_IOMAPPED */
/*
* This structure contains "pointers" for the registers on
* the various 21x4x chips. CSR0 through CSR8 are common
* to all chips. After that, it gets messy...
*/
typedef struct {
lmc_csrptr_t csr_busmode; /* CSR0 */
lmc_csrptr_t csr_txpoll; /* CSR1 */
lmc_csrptr_t csr_rxpoll; /* CSR2 */
lmc_csrptr_t csr_rxlist; /* CSR3 */
lmc_csrptr_t csr_txlist; /* CSR4 */
lmc_csrptr_t csr_status; /* CSR5 */
lmc_csrptr_t csr_command; /* CSR6 */
lmc_csrptr_t csr_intr; /* CSR7 */
lmc_csrptr_t csr_missed_frames; /* CSR8 */
lmc_csrptr_t csr_9; /* CSR9 */
lmc_csrptr_t csr_10; /* CSR10 */
lmc_csrptr_t csr_11; /* CSR11 */
lmc_csrptr_t csr_12; /* CSR12 */
lmc_csrptr_t csr_13; /* CSR13 */
lmc_csrptr_t csr_14; /* CSR14 */
lmc_csrptr_t csr_15; /* CSR15 */
} lmc_regfile_t;
#define csr_enetrom csr_9 /* 21040 */
#define csr_reserved csr_10 /* 21040 */
#define csr_full_duplex csr_11 /* 21040 */
#define csr_bootrom csr_10 /* 21041/21140A/?? */
#define csr_gp csr_12 /* 21140* */
#define csr_watchdog csr_15 /* 21140* */
#define csr_gp_timer csr_11 /* 21041/21140* */
#define csr_srom_mii csr_9 /* 21041/21140* */
#define csr_sia_status csr_12 /* 2104x */
#define csr_sia_connectivity csr_13 /* 2104x */
#define csr_sia_tx_rx csr_14 /* 2104x */
#define csr_sia_general csr_15 /* 2104x */
/*
* While 21x4x allows chaining of its descriptors, this driver
* doesn't take advantage of it. We keep the descriptors in a
* traditional FIFO ring.
*/
typedef struct {
tulip_desc_t *ri_first; /* first entry in ring */
tulip_desc_t *ri_last; /* one after last entry */
tulip_desc_t *ri_nextin; /* next to processed by host */
tulip_desc_t *ri_nextout; /* next to processed by adapter */
int ri_max;
int ri_free;
} lmc_ringinfo_t;
/*
* The 21040 has a stupid restriction in that the receive
* buffers must be longword aligned. But since Ethernet
* headers are not a multiple of longwords in size this forces
* the data to non-longword aligned. Since IP requires the
* data to be longword aligned, we need to copy it after it has
* been DMA'ed in our memory.
*
* Since we have to copy it anyways, we might as well as allocate
* dedicated receive space for the input. This allows to use a
* small receive buffer size and more ring entries to be able to
* better keep with a flood of tiny Ethernet packets.
*
* The receive space MUST ALWAYS be a multiple of the page size.
* And the number of receive descriptors multiplied by the size
* of the receive buffers must equal the recevive space. This
* is so that we can manipulate the page tables so that even if a
* packet wraps around the end of the receive space, we can
* treat it as virtually contiguous.
*
* The above used to be true (the stupid restriction is still true)
* but we gone to directly DMA'ing into MBUFs (unless it's on an
* architecture which can't handle unaligned accesses) because with
* 100Mb/s cards the copying is just too much of a hit.
*/
#define LMC_RXDESCS 48
#define LMC_TXDESCS 128
#define LMC_RXQ_TARGET 32
#if LMC_RXQ_TARGET >= LMC_RXDESCS
#error LMC_RXQ_TARGET must be less than LMC_RXDESCS
#endif
#define LMC_RX_BUFLEN ((MCLBYTES < 2048 ? MCLBYTES : 2048) - 16)
/*
* The various controllers support. Technically the DE425 is just
* a 21040 on EISA. But since it remarkably difference from normal
* 21040s, we give it its own chip id.
*/
typedef enum {
LMC_21140, LMC_21140A,
LMC_CHIPID_UNKNOWN
} lmc_chipid_t;
#define LMC_BIT(b) (1L << ((int)(b)))
typedef struct lmc_xinfo {
u_int32_t Magic0; /* BEEFCAFE */
u_int32_t PciCardType;
u_int32_t PciSlotNumber; /* PCI slot number */
u_int16_t DriverMajorVersion;
u_int16_t DriverMinorVersion;
u_int16_t DriverSubVersion;
u_int16_t XilinxRevisionNumber;
u_int16_t MaxFrameSize;
u_int16_t t1_alarm1_status;
u_int16_t t1_alarm2_status;
int link_status;
u_int32_t mii_reg16;
u_int32_t Magic1; /* DEADBEEF */
} LMC_XINFO;
typedef struct {
/*
* Transmit Statistics
*/
u_int32_t dot3StatsSingleCollisionFrames;
u_int32_t dot3StatsMultipleCollisionFrames;
u_int32_t dot3StatsSQETestErrors;
u_int32_t dot3StatsDeferredTransmissions;
u_int32_t dot3StatsLateCollisions;
u_int32_t dot3StatsExcessiveCollisions;
u_int32_t dot3StatsCarrierSenseErrors;
u_int32_t dot3StatsInternalMacTransmitErrors;
u_int32_t dot3StatsInternalTransmitUnderflows; /* not in rfc1650! */
u_int32_t dot3StatsInternalTransmitBabbles; /* not in rfc1650! */
/*
* Receive Statistics
*/
u_int32_t dot3StatsMissedFrames; /* not in rfc1650! */
u_int32_t dot3StatsAlignmentErrors;
u_int32_t dot3StatsFCSErrors;
u_int32_t dot3StatsFrameTooLongs;
u_int32_t dot3StatsInternalMacReceiveErrors;
} lmc_dot3_stats_t;
/*
* Now to important stuff. This is softc structure (where does softc
* come from??? No idea) for the tulip device.
*
*/
struct lmc___softc {
#if defined(__bsdi__)
struct device lmc_dev; /* base device */
struct isadev lmc_id; /* ISA device */
struct intrhand lmc_ih; /* intrrupt vectoring */
struct atshutdown lmc_ats; /* shutdown hook */
struct p2pcom lmc_p2pcom; /* point-to-point common stuff */
#define lmc_if lmc_p2pcom.p2p_if /* network-visible interface */
#endif /* __bsdi__ */
#if defined(__NetBSD__)
struct device lmc_dev; /* base device */
void *lmc_ih; /* intrrupt vectoring */
void *lmc_ats; /* shutdown hook */
bus_space_tag_t lmc_bustag;
bus_space_handle_t lmc_bushandle; /* CSR region handle */
pci_chipset_tag_t lmc_pc;
#endif
#if defined(__NetBSD__) || defined(__FreeBSD__)
struct sppp lmc_sppp;
#define lmc_if lmc_sppp.pp_if
#endif
u_int8_t lmc_enaddr[6]; /* yes, a small hack... */
lmc_regfile_t lmc_csrs;
volatile u_int32_t lmc_txtick;
volatile u_int32_t lmc_rxtick;
u_int32_t lmc_flags;
u_int32_t lmc_features; /* static bits indicating features of chip */
u_int32_t lmc_intrmask; /* our copy of csr_intr */
u_int32_t lmc_cmdmode; /* our copy of csr_cmdmode */
u_int32_t lmc_last_system_error : 3; /* last system error (only value is LMC_SYSTEMERROR is also set) */
u_int32_t lmc_system_errors; /* number of system errors encountered */
u_int32_t lmc_statusbits; /* status bits from CSR5 that may need to be printed */
u_int8_t lmc_revinfo; /* revision of chip */
u_int8_t lmc_cardtype; /* LMC_CARDTYPE_HSSI or ..._DS3 */
u_int32_t lmc_gpio_io; /* state of in/out settings */
u_int32_t lmc_gpio; /* state of outputs */
u_int8_t lmc_gp;
lmc_chipid_t lmc_chipid; /* type of chip we are using */
u_int32_t lmc_miireg16;
struct ifqueue lmc_txq;
struct ifqueue lmc_rxq;
lmc_dot3_stats_t lmc_dot3stats;
lmc_ringinfo_t lmc_rxinfo;
lmc_ringinfo_t lmc_txinfo;
u_int8_t lmc_rombuf[128];
lmc_media_t *lmc_media;
lmc_ctl_t ictl;
LMC_XINFO lmc_xinfo;
#if defined(__NetBSD__)
struct device *lmc_pci_busno; /* needed for multiport boards */
#else
u_int8_t lmc_pci_busno; /* needed for multiport boards */
#endif
u_int8_t lmc_pci_devno; /* needed for multiport boards */
#if defined(__FreeBSD__)
tulip_desc_t *lmc_rxdescs;
tulip_desc_t *lmc_txdescs;
#else
tulip_desc_t lmc_rxdescs[LMC_RXDESCS];
tulip_desc_t lmc_txdescs[LMC_TXDESCS];
#endif
#if defined(__NetBSD__) && NRND > 0
rndsource_element_t lmc_rndsource;
#endif
u_int32_t lmc_crcSize;
char lmc_timing; /* for HSSI and SSI */
u_int16_t t1_alarm1_status;
u_int16_t t1_alarm2_status;
};
/*
* lmc_flags
*/
#define LMC_IFUP 0x00000001
#define LMC_00000002 0x00000002
#define LMC_00000004 0x00000004
#define LMC_00000008 0x00000008
#define LMC_00000010 0x00000010
#define LMC_MODEMOK 0x00000020
#define LMC_00000040 0x00000040
#define LMC_00000080 0x00000080
#define LMC_RXACT 0x00000100
#define LMC_INRESET 0x00000200
#define LMC_NEEDRESET 0x00000400
#define LMC_00000800 0x00000800
#define LMC_00001000 0x00001000
#define LMC_00002000 0x00002000
#define LMC_WANTTXSTART 0x00004000
#define LMC_NEWTXTHRESH 0x00008000
#define LMC_NOAUTOSENSE 0x00010000
#define LMC_PRINTLINKUP 0x00020000
#define LMC_LINKUP 0x00040000
#define LMC_RXBUFSLOW 0x00080000
#define LMC_NOMESSAGES 0x00100000
#define LMC_SYSTEMERROR 0x00200000
#define LMC_TIMEOUTPENDING 0x00400000
#define LMC_00800000 0x00800000
#define LMC_01000000 0x01000000
#define LMC_02000000 0x02000000
#define LMC_RXIGNORE 0x04000000
#define LMC_08000000 0x08000000
#define LMC_10000000 0x10000000
#define LMC_20000000 0x20000000
#define LMC_40000000 0x40000000
#define LMC_80000000 0x80000000
/*
* lmc_features
*/
#define LMC_HAVE_GPR 0x00000001 /* have gp register (140[A]) */
#define LMC_HAVE_RXBADOVRFLW 0x00000002 /* RX corrupts on overflow */
#define LMC_HAVE_POWERMGMT 0x00000004 /* Snooze/sleep modes */
#define LMC_HAVE_MII 0x00000008 /* Some medium on MII */
#define LMC_HAVE_SIANWAY 0x00000010 /* SIA does NWAY */
#define LMC_HAVE_DUALSENSE 0x00000020 /* SIA senses both AUI & TP */
#define LMC_HAVE_SIAGP 0x00000040 /* SIA has a GP port */
#define LMC_HAVE_BROKEN_HASH 0x00000080 /* Broken Multicast Hash */
#define LMC_HAVE_ISVSROM 0x00000100 /* uses ISV SROM Format */
#define LMC_HAVE_BASEROM 0x00000200 /* Board ROM can be cloned */
#define LMC_HAVE_SLAVEDROM 0x00000400 /* Board ROM cloned */
#define LMC_HAVE_SLAVEDINTR 0x00000800 /* Board slaved interrupt */
#define LMC_HAVE_SHAREDINTR 0x00001000 /* Board shares interrupts */
#define LMC_HAVE_OKROM 0x00002000 /* ROM was recognized */
#define LMC_HAVE_NOMEDIA 0x00004000 /* did not detect any media */
#define LMC_HAVE_STOREFWD 0x00008000 /* have CMD_STOREFWD */
#define LMC_HAVE_SIA100 0x00010000 /* has LS100 in SIA status */
static const char * const lmc_system_errors[] = {
"parity error",
"master abort",
"target abort",
"reserved #3",
"reserved #4",
"reserved #5",
"reserved #6",
"reserved #7",
};
static const char * const lmc_status_bits[] = {
NULL,
"transmit process stopped",
NULL,
"transmit jabber timeout",
NULL,
"transmit underflow",
NULL,
"receive underflow",
"receive process stopped",
"receive watchdog timeout",
NULL,
NULL,
"link failure",
NULL,
NULL,
};
/*
* This driver supports a maximum of 32 tulip boards.
* This should be enough for the forseeable future.
*/
#define LMC_MAX_DEVICES 32
#if defined(__FreeBSD__)
typedef void ifnet_ret_t;
typedef int ioctl_cmd_t;
static lmc_softc_t *tulips[LMC_MAX_DEVICES];
#if BSD >= 199506
#define LMC_IFP_TO_SOFTC(ifp) ((lmc_softc_t *)((ifp)->if_softc))
#if NBPFILTER > 0
#define LMC_BPF_MTAP(sc, m) bpf_mtap(&(sc)->lmc_sppp.pp_if, m)
#define LMC_BPF_TAP(sc, p, l) bpf_tap(&(sc)->lmc_sppp.pp_if, p, l)
#define LMC_BPF_ATTACH(sc) bpfattach(&(sc)->lmc_sppp.pp_if, DLT_PPP, PPP_HEADER_LEN)
#endif
#define lmc_intrfunc_t void
#define LMC_VOID_INTRFUNC
#define IFF_NOTRAILERS 0
#define CLBYTES PAGE_SIZE
#define LMC_EADDR_FMT "%6D"
#define LMC_EADDR_ARGS(addr) addr, ":"
#else
extern int bootverbose;
#define LMC_IFP_TO_SOFTC(ifp) (LMC_UNIT_TO_SOFTC((ifp)->if_unit))
#include <sys/devconf.h>
#define LMC_DEVCONF
#endif
#define LMC_UNIT_TO_SOFTC(unit) (tulips[unit])
#define LMC_BURSTSIZE(unit) pci_max_burst_len
#define loudprintf if (bootverbose) printf
#endif
#if defined(__bsdi__)
typedef int ifnet_ret_t;
typedef u_long ioctl_cmd_t;
extern struct cfdriver lmccd;
#define LMC_UNIT_TO_SOFTC(unit) ((lmc_softc_t *)lmccd.cd_devs[unit])
#define LMC_IFP_TO_SOFTC(ifp) (LMC_UNIT_TO_SOFTC((ifp)->if_unit))
#define loudprintf aprint_verbose
#define MCNT(x) (sizeof(x) / sizeof(struct ifmedia_entry))
#define lmc_unit lmc_dev.dv_unit
#define lmc_name lmc_p2pcom.p2p_if.if_name
#define LMC_BPF_MTAP(sc, m)
#define LMC_BPF_TAP(sc, p, l)
#define LMC_BPF_ATTACH(sc)
#endif /* __bsdi__ */
#if defined(__NetBSD__)
typedef void ifnet_ret_t;
typedef u_long ioctl_cmd_t;
extern struct cfattach de_ca;
extern struct cfdriver de_cd;
#define LMC_UNIT_TO_SOFTC(unit) ((lmc_softc_t *) de_cd.cd_devs[unit])
#define LMC_IFP_TO_SOFTC(ifp) ((lmc_softc_t *)((ifp)->if_softc))
#define lmc_unit lmc_dev.dv_unit
#define lmc_xname lmc_if.if_xname
#define LMC_RAISESPL() splnet()
#define LMC_RAISESOFTSPL() splsoftnet()
#define LMC_RESTORESPL(s) splx(s)
#define lmc_enaddr lmc_enaddr
#define loudprintf printf
#define LMC_PRINTF_FMT "%s"
#define LMC_PRINTF_ARGS sc->lmc_xname
#if defined(__alpha__)
/* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */
#define LMC_KVATOPHYS(sc, va) alpha_XXX_dmamap((vm_offset_t)(va))
#endif
#endif /* __NetBSD__ */
#ifndef LMC_PRINTF_FMT
#define LMC_PRINTF_FMT "%s%d"
#endif
#ifndef LMC_PRINTF_ARGS
#define LMC_PRINTF_ARGS sc->lmc_name, sc->lmc_unit
#endif
#ifndef LMC_BURSTSIZE
#define LMC_BURSTSIZE(unit) 3
#endif
#ifndef lmc_unit
#define lmc_unit lmc_sppp.pp_if.if_unit
#endif
#ifndef lmc_name
#define lmc_name lmc_sppp.pp_if.if_name
#endif
#if !defined(lmc_bpf)
#if defined(__NetBSD__) || defined(__FreeBSD__)
#define lmc_bpf lmc_sppp.pp_if.if_bpf
#endif
#if defined(__bsdi__)
#define lmc_bpf lmc_if.if_bpf
#endif
#endif
#if !defined(lmc_intrfunc_t)
#define lmc_intrfunc_t int
#endif
#if !defined(LMC_KVATOPHYS)
#define LMC_KVATOPHYS(sc, va) vtophys(va)
#endif
#ifndef LMC_RAISESPL
#define LMC_RAISESPL() splimp()
#endif
#ifndef LMC_RAISESOFTSPL
#define LMC_RAISESOFTSPL() splnet()
#endif
#ifndef TULUP_RESTORESPL
#define LMC_RESTORESPL(s) splx(s)
#endif
/*
* While I think FreeBSD's 2.2 change to the bpf is a nice simplification,
* it does add yet more conditional code to this driver. Sigh.
*/
#if !defined(LMC_BPF_MTAP) && NBPFILTER > 0
#define LMC_BPF_MTAP(sc, m) bpf_mtap((sc)->lmc_bpf, m)
#define LMC_BPF_TAP(sc, p, l) bpf_tap((sc)->lmc_bpf, p, l)
#define LMC_BPF_ATTACH(sc) bpfattach(&(sc)->lmc_bpf, &(sc)->lmc_sppp.pp_if, DLT_PPP, PPP_HEADER_LEN)
#endif
/*
* However, this change to FreeBSD I am much less enamored with.
*/
#if !defined(LMC_EADDR_FMT)
#define LMC_EADDR_FMT "%s"
#define LMC_EADDR_ARGS(addr) ether_sprintf(addr)
#endif
#define LMC_CRC32_POLY 0xEDB88320UL /* CRC-32 Poly -- Little Endian */
#define LMC_MAX_TXSEG 30
#define LMC_ADDREQUAL(a1, a2) \
(((u_int16_t *)a1)[0] == ((u_int16_t *)a2)[0] \
&& ((u_int16_t *)a1)[1] == ((u_int16_t *)a2)[1] \
&& ((u_int16_t *)a1)[2] == ((u_int16_t *)a2)[2])
#define LMC_ADDRBRDCST(a1) \
(((u_int16_t *)a1)[0] == 0xFFFFU \
&& ((u_int16_t *)a1)[1] == 0xFFFFU \
&& ((u_int16_t *)a1)[2] == 0xFFFFU)
typedef int lmc_spl_t;
#endif /* !defined(_DEVAR_H) */
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