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Commit files for the LAN Media Corporation high speed serial/HSSI/DS3 driver

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explorer 1999-03-25 03:32:43 +00:00
parent 960c283a65
commit 0c2f5ada28
7 changed files with 3869 additions and 0 deletions
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1370
sys/dev/pci/if_lmc.c Normal file
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sys/dev/pci/if_lmc_common.c Normal file
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/* $NetBSD: if_lmc_common.c,v 1.1 1999/03/25 03:32:43 explorer Exp $ */
/*-
* Copyright (c) 1997-1999 LAN Media Corporation (LMC)
* All rights reserved. www.lanmedia.com
*
* This code is written by Michael Graff <graff@vix.com> for LMC.
* The code is derived from permitted modifications to software created
* by Matt Thomas (matt@3am-software.com).
*
* 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. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* 3. All marketing or advertising materials mentioning features or
* use of this software must display the following acknowledgement:
* This product includes software developed by LAN Media Corporation
* and its contributors.
* 4. Neither the name of LAN Media Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY LAN MEDIA CORPORATION AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*-
* Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
* 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/proc.h> /* only for declaration of wakeup() used by vm.h */
#if defined(__FreeBSD__)
#include <machine/clock.h>
#elif defined(__bsdi__) || defined(__NetBSD__)
#include <sys/device.h>
#endif
#if defined(__NetBSD__)
#include <dev/pci/pcidevs.h>
#include "rnd.h"
#if NRND > 0
#include <sys/rnd.h>
#endif
#endif
#include <net/if.h>
#include <net/if_types.h>
#include <net/if_dl.h>
#include <net/netisr.h>
#include "bpfilter.h"
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#include <vm/vm.h>
#include <vm/vm_param.h>
#include <vm/vm_kern.h>
#if defined(__FreeBSD__) || defined(__NetBSD__)
#include <net/if_sppp.h>
#endif
#if defined(__bsdi__)
#if INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#endif
#include <net/netisr.h>
#include <net/if.h>
#include <net/netisr.h>
#include <net/if_types.h>
#include <net/if_p2p.h>
#include <net/if_c_hdlc.h>
#endif
#if defined(__FreeBSD__)
#include <vm/pmap.h>
#include <pci.h>
#if NPCI > 0
#include <pci/pcivar.h>
#include <pci/dc21040reg.h>
#define INCLUDE_PATH_PREFIX "pci/"
#endif
#endif /* __FreeBSD__ */
#if defined(__bsdi__)
#include <i386/pci/ic/dc21040.h>
#include <i386/isa/isa.h>
#include <i386/isa/icu.h>
#include <i386/isa/dma.h>
#include <i386/isa/isavar.h>
#include <i386/pci/pci.h>
#define INCLUDE_PATH_PREFIX "i386/pci/"
#endif /* __bsdi__ */
#if defined(__NetBSD__)
#include <machine/bus.h>
#if defined(__alpha__)
#include <machine/intr.h>
#endif
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/ic/dc21040reg.h>
#define INCLUDE_PATH_PREFIX "dev/pci/"
#endif /* __NetBSD__ */
/*
* Sigh. Every OS puts these in different places. NetBSD and FreeBSD use
* a C preprocessor that allows this hack, but BSDI does not.
*/
#if defined(__NetBSD__) || defined(__FreeBSD__)
#include INCLUDE_PATH_PREFIX "if_lmc_types.h"
#include INCLUDE_PATH_PREFIX "if_lmcioctl.h"
#include INCLUDE_PATH_PREFIX "if_lmcvar.h"
#else /* BSDI */
#include "i386/pci/if_lmc_types.h"
#include "i386/pci/if_lmcioctl.h"
#include "i386/pci/if_lmcvar.h"
#endif
void
lmc_gpio_mkinput(lmc_softc_t * const sc, u_int32_t bits)
{
sc->lmc_gpio_io &= ~bits;
LMC_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET | (sc->lmc_gpio_io));
}
void
lmc_gpio_mkoutput(lmc_softc_t * const sc, u_int32_t bits)
{
sc->lmc_gpio_io |= bits;
LMC_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET | (sc->lmc_gpio_io));
}
void
lmc_led_on(lmc_softc_t * const sc, u_int32_t led)
{
sc->lmc_miireg16 &= ~led;
lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
}
void
lmc_led_off(lmc_softc_t * const sc, u_int32_t led)
{
sc->lmc_miireg16 |= led;
lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
}
void
lmc_reset(lmc_softc_t * const sc)
{
sc->lmc_miireg16 |= LMC_MII16_FIFO_RESET;
lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
sc->lmc_miireg16 &= ~LMC_MII16_FIFO_RESET;
lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
/*
* make some of the GPIO pins be outputs
*/
lmc_gpio_mkoutput(sc, LMC_GEP_DP | LMC_GEP_RESET);
/*
* drive DP and RESET low to force configuration. This also forces
* the transmitter clock to be internal, but we expect to reset
* that later anyway.
*/
sc->lmc_gpio &= ~(LMC_GEP_DP | LMC_GEP_RESET);
LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio);
/*
* hold for more than 10 microseconds
*/
DELAY(50);
/*
* stop driving Xilinx-related signals
*/
lmc_gpio_mkinput(sc, LMC_GEP_DP | LMC_GEP_RESET);
/*
* busy wait for the chip to reset
*/
while ((LMC_CSR_READ(sc, csr_gp) & LMC_GEP_DP) == 0)
;
/*
* Call media specific init routine
*/
sc->lmc_media->init(sc);
}
void
lmc_dec_reset(lmc_softc_t * const sc)
{
#ifndef __linux__
lmc_ringinfo_t *ri;
tulip_desc_t *di;
#endif
u_int32_t val;
/*
* disable all interrupts
*/
sc->lmc_intrmask = 0;
LMC_CSR_WRITE(sc, csr_intr, sc->lmc_intrmask);
/*
* we are, obviously, down.
*/
#ifndef __linux__
sc->lmc_flags &= ~(LMC_IFUP | LMC_MODEMOK);
DP(("lmc_dec_reset\n"));
#endif
/*
* Reset the chip with a software reset command.
* Wait 10 microseconds (actually 50 PCI cycles but at
* 33MHz that comes to two microseconds but wait a
* bit longer anyways)
*/
LMC_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
DELAY(10);
sc->lmc_cmdmode = LMC_CSR_READ(sc, csr_command);
/*
* We want:
* no ethernet address in frames we write
* disable padding (txdesc, padding disable)
* ignore runt frames (rdes0 bit 15)
* no receiver watchdog or transmitter jabber timer
* (csr15 bit 0,14 == 1)
* if using 16-bit CRC, turn off CRC (trans desc, crc disable)
*/
#ifndef TULIP_CMD_RECEIVEALL
#define TULIP_CMD_RECEIVEALL 0x40000000L
#endif
sc->lmc_cmdmode |= ( TULIP_CMD_PROMISCUOUS
| TULIP_CMD_FULLDUPLEX
| TULIP_CMD_PASSBADPKT
| TULIP_CMD_NOHEARTBEAT
| TULIP_CMD_PORTSELECT
| TULIP_CMD_RECEIVEALL
| TULIP_CMD_MUSTBEONE
);
sc->lmc_cmdmode &= ~( TULIP_CMD_OPERMODE
| TULIP_CMD_THRESHOLDCTL
| TULIP_CMD_STOREFWD
| TULIP_CMD_TXTHRSHLDCTL
);
LMC_CSR_WRITE(sc, csr_command, sc->lmc_cmdmode);
/*
* disable receiver watchdog and transmit jabber
*/
val = LMC_CSR_READ(sc, csr_sia_general);
val |= (TULIP_WATCHDOG_TXDISABLE | TULIP_WATCHDOG_RXDISABLE);
LMC_CSR_WRITE(sc, csr_sia_general, val);
/*
* turn off those LEDs...
*/
sc->lmc_miireg16 |= LMC_MII16_LED_ALL;
lmc_led_on(sc, LMC_MII16_LED0);
#ifndef __linux__
/*
* reprogram the tx desc, rx desc, and PCI bus options
*/
LMC_CSR_WRITE(sc, csr_txlist,
LMC_KVATOPHYS(sc, &sc->lmc_txinfo.ri_first[0]));
LMC_CSR_WRITE(sc, csr_rxlist,
LMC_KVATOPHYS(sc, &sc->lmc_rxinfo.ri_first[0]));
LMC_CSR_WRITE(sc, csr_busmode,
(1 << (LMC_BURSTSIZE(sc->lmc_unit) + 8))
|TULIP_BUSMODE_CACHE_ALIGN8
|TULIP_BUSMODE_READMULTIPLE
|(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_BIGENDIAN : 0));
sc->lmc_txq.ifq_maxlen = LMC_TXDESCS;
/*
* Free all the mbufs that were on the transmit ring.
*/
for (;;) {
struct mbuf *m;
IF_DEQUEUE(&sc->lmc_txq, m);
if (m == NULL)
break;
m_freem(m);
}
/*
* reset descriptor state and reclaim all descriptors.
*/
ri = &sc->lmc_txinfo;
ri->ri_nextin = ri->ri_nextout = ri->ri_first;
ri->ri_free = ri->ri_max;
for (di = ri->ri_first; di < ri->ri_last; di++)
di->d_status = 0;
/*
* We need to collect all the mbufs were on the
* receive ring before we reinit it either to put
* them back on or to know if we have to allocate
* more.
*/
ri = &sc->lmc_rxinfo;
ri->ri_nextin = ri->ri_nextout = ri->ri_first;
ri->ri_free = ri->ri_max;
for (di = ri->ri_first; di < ri->ri_last; di++) {
di->d_status = 0;
di->d_length1 = 0; di->d_addr1 = 0;
di->d_length2 = 0; di->d_addr2 = 0;
}
for (;;) {
struct mbuf *m;
IF_DEQUEUE(&sc->lmc_rxq, m);
if (m == NULL)
break;
m_freem(m);
}
#endif
}
void
lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base,
size_t csr_size)
{
sc->lmc_csrs.csr_busmode = csr_base + 0 * csr_size;
sc->lmc_csrs.csr_txpoll = csr_base + 1 * csr_size;
sc->lmc_csrs.csr_rxpoll = csr_base + 2 * csr_size;
sc->lmc_csrs.csr_rxlist = csr_base + 3 * csr_size;
sc->lmc_csrs.csr_txlist = csr_base + 4 * csr_size;
sc->lmc_csrs.csr_status = csr_base + 5 * csr_size;
sc->lmc_csrs.csr_command = csr_base + 6 * csr_size;
sc->lmc_csrs.csr_intr = csr_base + 7 * csr_size;
sc->lmc_csrs.csr_missed_frames = csr_base + 8 * csr_size;
sc->lmc_csrs.csr_9 = csr_base + 9 * csr_size;
sc->lmc_csrs.csr_10 = csr_base + 10 * csr_size;
sc->lmc_csrs.csr_11 = csr_base + 11 * csr_size;
sc->lmc_csrs.csr_12 = csr_base + 12 * csr_size;
sc->lmc_csrs.csr_13 = csr_base + 13 * csr_size;
sc->lmc_csrs.csr_14 = csr_base + 14 * csr_size;
sc->lmc_csrs.csr_15 = csr_base + 15 * csr_size;
}

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sys/dev/pci/if_lmc_media.c Normal file
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/* $NetBSD: if_lmc_media.c,v 1.1 1999/03/25 03:32:43 explorer Exp $ */
/*-
* Copyright (c) 1997-1999 LAN Media Corporation (LMC)
* All rights reserved. www.lanmedia.com
*
* This code is written by Michael Graff <graff@vix.com> for LMC.
*
* 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. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* 3. All marketing or advertising materials mentioning features or
* use of this software must display the following acknowledgement:
* This product includes software developed by LAN Media Corporation
* and its contributors.
* 4. Neither the name of LAN Media Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY LAN MEDIA CORPORATION AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/proc.h> /* only for declaration of wakeup() used by vm.h */
#if defined(__FreeBSD__)
#include <machine/clock.h>
#elif defined(__bsdi__) || defined(__NetBSD__)
#include <sys/device.h>
#endif
#if defined(__NetBSD__)
#include <dev/pci/pcidevs.h>
#include "rnd.h"
#if NRND > 0
#include <sys/rnd.h>
#endif
#endif
#include <net/if.h>
#include <net/if_types.h>
#include <net/if_dl.h>
#include <net/netisr.h>
#include "bpfilter.h"
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#include <vm/vm.h>
#include <vm/vm_param.h>
#include <vm/vm_kern.h>
#if defined(__FreeBSD__) || defined(__NetBSD__)
#include <net/if_sppp.h>
#endif
#if defined(__bsdi__)
#if INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#endif
#include <net/netisr.h>
#include <net/if.h>
#include <net/netisr.h>
#include <net/if_types.h>
#include <net/if_p2p.h>
#include <net/if_c_hdlc.h>
#endif
#if defined(__FreeBSD__)
#include <vm/pmap.h>
#include <pci.h>
#if NPCI > 0
#include <pci/pcivar.h>
#include <pci/dc21040reg.h>
#define INCLUDE_PATH_PREFIX "pci/"
#endif
#endif /* __FreeBSD__ */
#if defined(__bsdi__)
#include <i386/pci/ic/dc21040.h>
#include <i386/isa/isa.h>
#include <i386/isa/icu.h>
#include <i386/isa/dma.h>
#include <i386/isa/isavar.h>
#include <i386/pci/pci.h>
#define INCLUDE_PATH_PREFIX "i386/pci/"
#endif /* __bsdi__ */
#if defined(__NetBSD__)
#include <machine/bus.h>
#if defined(__alpha__)
#include <machine/intr.h>
#endif
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/ic/dc21040reg.h>
#define INCLUDE_PATH_PREFIX "dev/pci/"
#endif /* __NetBSD__ */
/*
* Sigh. Every OS puts these in different places. NetBSD and FreeBSD use
* a C preprocessor that allows this hack, but BSDI does not.
*/
#if defined(__NetBSD__) || defined(__FreeBSD__)
#include INCLUDE_PATH_PREFIX "if_lmc_types.h"
#include INCLUDE_PATH_PREFIX "if_lmcioctl.h"
#include INCLUDE_PATH_PREFIX "if_lmcvar.h"
#else /* BSDI */
#include "i386/pci/if_lmc_types.h"
#include "i386/pci/if_lmcioctl.h"
#include "i386/pci/if_lmcvar.h"
#endif
/*
* For lack of a better place, put the T1 cable stuff here.
*/
char *lmc_t1_cables[] = {
"V.10/RS423", "EIA530A", "reserved", "X.21", "V.35",
"EIA449/EIA530/V.36", "V.28/EIA232", "none", NULL
};
/*
* protocol independent method.
*/
static void lmc_set_protocol(lmc_softc_t * const, lmc_ctl_t *);
/*
* media independent methods to check on media status, link, light LEDs,
* etc.
*/
static void lmc_ds3_init(lmc_softc_t * const);
static void lmc_ds3_default(lmc_softc_t * const);
static void lmc_ds3_set_status(lmc_softc_t * const, lmc_ctl_t *);
static void lmc_ds3_set_100ft(lmc_softc_t * const, int);
static int lmc_ds3_get_link_status(lmc_softc_t * const);
static void lmc_ds3_set_crc_length(lmc_softc_t * const, int);
static void lmc_ds3_set_scram(lmc_softc_t * const, int);
static void lmc_hssi_init(lmc_softc_t * const);
static void lmc_hssi_default(lmc_softc_t * const);
static void lmc_hssi_set_status(lmc_softc_t * const, lmc_ctl_t *);
static void lmc_hssi_set_clock(lmc_softc_t * const, int);
static int lmc_hssi_get_link_status(lmc_softc_t * const);
static void lmc_hssi_set_link_status(lmc_softc_t * const, int);
static void lmc_hssi_set_crc_length(lmc_softc_t * const, int);
static void lmc_t1_init(lmc_softc_t * const);
static void lmc_t1_default(lmc_softc_t * const);
static void lmc_t1_set_status(lmc_softc_t * const, lmc_ctl_t *);
static void lmc_t1_set_clock(lmc_softc_t * const, int);
static void lmc_t1_set_speed(lmc_softc_t * const, lmc_ctl_t *);
static int lmc_t1_get_link_status(lmc_softc_t * const);
static void lmc_t1_set_link_status(lmc_softc_t * const, int);
static void lmc_t1_set_crc_length(lmc_softc_t * const, int);
static void lmc_dummy_set_1(lmc_softc_t * const, int);
static void lmc_dummy_set2_1(lmc_softc_t * const, lmc_ctl_t *);
static inline void write_av9110_bit(lmc_softc_t *, int);
static void write_av9110(lmc_softc_t *, u_int32_t, u_int32_t, u_int32_t,
u_int32_t, u_int32_t);
lmc_media_t lmc_ds3_media = {
lmc_ds3_init, /* special media init stuff */
lmc_ds3_default, /* reset to default state */
lmc_ds3_set_status, /* reset status to state provided */
lmc_dummy_set_1, /* set clock source */
lmc_dummy_set2_1, /* set line speed */
lmc_ds3_set_100ft, /* set cable length */
lmc_ds3_set_scram, /* set scrambler */
lmc_ds3_get_link_status, /* get link status */
lmc_dummy_set_1, /* set link status */
lmc_ds3_set_crc_length, /* set CRC length */
};
lmc_media_t lmc_hssi_media = {
lmc_hssi_init, /* special media init stuff */
lmc_hssi_default, /* reset to default state */
lmc_hssi_set_status, /* reset status to state provided */
lmc_hssi_set_clock, /* set clock source */
lmc_dummy_set2_1, /* set line speed */
lmc_dummy_set_1, /* set cable length */
lmc_dummy_set_1, /* set scrambler */
lmc_hssi_get_link_status, /* get link status */
lmc_hssi_set_link_status, /* set link status */
lmc_hssi_set_crc_length, /* set CRC length */
};
lmc_media_t lmc_t1_media = {
lmc_t1_init, /* special media init stuff */
lmc_t1_default, /* reset to default state */
lmc_t1_set_status, /* reset status to state provided */
lmc_t1_set_clock, /* set clock source */
lmc_t1_set_speed, /* set line speed */
lmc_dummy_set_1, /* set cable length */
lmc_dummy_set_1, /* set scrambler */
lmc_t1_get_link_status, /* get link status */
lmc_t1_set_link_status, /* set link status */
lmc_t1_set_crc_length, /* set CRC length */
};
static void
lmc_dummy_set_1(lmc_softc_t * const sc, int a)
{
}
static void
lmc_dummy_set2_1(lmc_softc_t * const sc, lmc_ctl_t *a)
{
}
/*
* HSSI methods
*/
static void
lmc_hssi_init(lmc_softc_t * const sc)
{
sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC5200;
lmc_gpio_mkoutput(sc, LMC_GEP_HSSI_CLOCK);
}
static void
lmc_hssi_default(lmc_softc_t * const sc)
{
sc->lmc_miireg16 = LMC_MII16_LED_ALL;
sc->lmc_media->set_link_status(sc, 0);
sc->lmc_media->set_clock_source(sc, LMC_CTL_CLOCK_SOURCE_EXT);
sc->lmc_media->set_crc_length(sc, LMC_CTL_CRC_LENGTH_16);
}
/*
* Given a user provided state, set ourselves up to match it. This will
* always reset the card if needed.
*/
static void
lmc_hssi_set_status(lmc_softc_t * const sc, lmc_ctl_t *ctl)
{
if (ctl == NULL) {
sc->lmc_media->set_clock_source(sc, sc->ictl.clock_source);
lmc_set_protocol(sc, NULL);
return;
}
/*
* check for change in clock source
*/
if (ctl->clock_source && !sc->ictl.clock_source)
sc->lmc_media->set_clock_source(sc, LMC_CTL_CLOCK_SOURCE_INT);
else if (!ctl->clock_source && sc->ictl.clock_source)
sc->lmc_media->set_clock_source(sc, LMC_CTL_CLOCK_SOURCE_EXT);
lmc_set_protocol(sc, ctl);
}
/*
* 1 == internal, 0 == external
*/
static void
lmc_hssi_set_clock(lmc_softc_t * const sc, int ie)
{
if (ie == LMC_CTL_CLOCK_SOURCE_EXT) {
sc->lmc_gpio |= LMC_GEP_HSSI_CLOCK;
LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio);
sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_EXT;
printf(LMC_PRINTF_FMT ": clock external\n",
LMC_PRINTF_ARGS);
} else {
sc->lmc_gpio &= ~(LMC_GEP_HSSI_CLOCK);
LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio);
sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_INT;
printf(LMC_PRINTF_FMT ": clock internal\n",
LMC_PRINTF_ARGS);
}
}
/*
* return hardware link status.
* 0 == link is down, 1 == link is up.
*/
static int
lmc_hssi_get_link_status(lmc_softc_t * const sc)
{
u_int16_t link_status;
link_status = lmc_mii_readreg(sc, 0, 16);
if ((link_status & LMC_MII16_HSSI_CA) == LMC_MII16_HSSI_CA)
return 1;
else
return 0;
}
static void
lmc_hssi_set_link_status(lmc_softc_t * const sc, int state)
{
if (state)
sc->lmc_miireg16 |= LMC_MII16_HSSI_TA;
else
sc->lmc_miireg16 &= ~LMC_MII16_HSSI_TA;
lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
}
/*
* 0 == 16bit, 1 == 32bit
*/
static void
lmc_hssi_set_crc_length(lmc_softc_t * const sc, int state)
{
if (state == LMC_CTL_CRC_LENGTH_32) {
/* 32 bit */
sc->lmc_miireg16 |= LMC_MII16_HSSI_CRC;
sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_32;
} else {
/* 16 bit */
sc->lmc_miireg16 &= ~LMC_MII16_HSSI_CRC;
sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_16;
}
lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
}
/*
* DS3 methods
*/
/*
* Set cable length
*/
static void
lmc_ds3_set_100ft(lmc_softc_t * const sc, int ie)
{
if (ie == LMC_CTL_CABLE_LENGTH_GT_100FT) {
sc->lmc_miireg16 &= ~LMC_MII16_DS3_ZERO;
sc->ictl.cable_length = LMC_CTL_CABLE_LENGTH_GT_100FT;
} else if (ie == LMC_CTL_CABLE_LENGTH_LT_100FT) {
sc->lmc_miireg16 |= LMC_MII16_DS3_ZERO;
sc->ictl.cable_length = LMC_CTL_CABLE_LENGTH_LT_100FT;
}
lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
}
static void
lmc_ds3_default(lmc_softc_t * const sc)
{
sc->lmc_miireg16 = LMC_MII16_LED_ALL;
sc->lmc_media->set_link_status(sc, 0);
sc->lmc_media->set_cable_length(sc, LMC_CTL_CABLE_LENGTH_LT_100FT);
sc->lmc_media->set_scrambler(sc, LMC_CTL_OFF);
sc->lmc_media->set_crc_length(sc, LMC_CTL_CRC_LENGTH_16);
}
/*
* Given a user provided state, set ourselves up to match it. This will
* always reset the card if needed.
*/
static void
lmc_ds3_set_status(lmc_softc_t * const sc, lmc_ctl_t *ctl)
{
if (ctl == NULL) {
sc->lmc_media->set_cable_length(sc, sc->ictl.cable_length);
sc->lmc_media->set_scrambler(sc, sc->ictl.scrambler_onoff);
lmc_set_protocol(sc, NULL);
return;
}
/*
* check for change in cable length setting
*/
if (ctl->cable_length && !sc->ictl.cable_length)
lmc_ds3_set_100ft(sc, LMC_CTL_CABLE_LENGTH_GT_100FT);
else if (!ctl->cable_length && sc->ictl.cable_length)
lmc_ds3_set_100ft(sc, LMC_CTL_CABLE_LENGTH_LT_100FT);
/*
* Check for change in scrambler setting (requires reset)
*/
if (ctl->scrambler_onoff && !sc->ictl.scrambler_onoff)
lmc_ds3_set_scram(sc, LMC_CTL_ON);
else if (!ctl->scrambler_onoff && sc->ictl.scrambler_onoff)
lmc_ds3_set_scram(sc, LMC_CTL_OFF);
lmc_set_protocol(sc, ctl);
}
static void
lmc_ds3_init(lmc_softc_t * const sc)
{
int i;
sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC5245;
/* writes zeros everywhere */
for (i = 0 ; i < 21 ; i++) {
lmc_mii_writereg(sc, 0, 17, i);
lmc_mii_writereg(sc, 0, 18, 0);
}
/* set some essential bits */
lmc_mii_writereg(sc, 0, 17, 1);
lmc_mii_writereg(sc, 0, 18, 0x05); /* ser, xtx */
lmc_mii_writereg(sc, 0, 17, 5);
lmc_mii_writereg(sc, 0, 18, 0x80); /* emode */
lmc_mii_writereg(sc, 0, 17, 14);
lmc_mii_writereg(sc, 0, 18, 0x30); /* rcgen, tcgen */
/* clear counters and latched bits */
for (i = 0 ; i < 21 ; i++) {
lmc_mii_writereg(sc, 0, 17, i);
lmc_mii_readreg(sc, 0, 18);
}
}
/*
* 1 == DS3 payload scrambled, 0 == not scrambled
*/
static void
lmc_ds3_set_scram(lmc_softc_t * const sc, int ie)
{
if (ie == LMC_CTL_ON) {
sc->lmc_miireg16 |= LMC_MII16_DS3_SCRAM;
sc->ictl.scrambler_onoff = LMC_CTL_ON;
} else {
sc->lmc_miireg16 &= ~LMC_MII16_DS3_SCRAM;
sc->ictl.scrambler_onoff = LMC_CTL_OFF;
}
lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
}
/*
* return hardware link status.
* 0 == link is down, 1 == link is up.
*/
static int
lmc_ds3_get_link_status(lmc_softc_t * const sc)
{
u_int16_t link_status;
lmc_mii_writereg(sc, 0, 17, 7);
link_status = lmc_mii_readreg(sc, 0, 18);
if ((link_status & LMC_FRAMER_REG0_DLOS) == 0)
return 1;
else
return 0;
}
/*
* 0 == 16bit, 1 == 32bit
*/
static void
lmc_ds3_set_crc_length(lmc_softc_t * const sc, int state)
{
if (state == LMC_CTL_CRC_LENGTH_32) {
/* 32 bit */
sc->lmc_miireg16 |= LMC_MII16_DS3_CRC;
sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_32;
} else {
/* 16 bit */
sc->lmc_miireg16 &= ~LMC_MII16_DS3_CRC;
sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_16;
}
lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
}
/*
* T1 methods
*/
static void
lmc_t1_init(lmc_softc_t * const sc)
{
u_int16_t mii17;
int cable;
sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC1000;
mii17 = lmc_mii_readreg(sc, 0, 17);
cable = (mii17 & LMC_MII17_T1_CABLE_MASK) >> LMC_MII17_T1_CABLE_SHIFT;
sc->ictl.cable_type = cable;
lmc_gpio_mkoutput(sc, LMC_GEP_T1_TXCLOCK);
}
static void
lmc_t1_default(lmc_softc_t * const sc)
{
sc->lmc_miireg16 = LMC_MII16_LED_ALL;
/*
* make TXCLOCK always be an output
*/
lmc_gpio_mkoutput(sc, LMC_GEP_T1_TXCLOCK);
sc->lmc_media->set_link_status(sc, 0);
sc->lmc_media->set_clock_source(sc, LMC_CTL_CLOCK_SOURCE_EXT);
sc->lmc_media->set_speed(sc, NULL);
sc->lmc_media->set_crc_length(sc, LMC_CTL_CRC_LENGTH_16);
}
/*
* Given a user provided state, set ourselves up to match it. This will
* always reset the card if needed.
*/
static void
lmc_t1_set_status(lmc_softc_t * const sc, lmc_ctl_t *ctl)
{
if (ctl == NULL) {
sc->lmc_media->set_clock_source(sc, sc->ictl.clock_source);
sc->lmc_media->set_speed(sc, &sc->ictl);
lmc_set_protocol(sc, NULL);
return;
}
/*
* check for change in clock source
*/
if (ctl->clock_source == LMC_CTL_CLOCK_SOURCE_INT
&& sc->ictl.clock_source == LMC_CTL_CLOCK_SOURCE_EXT)
sc->lmc_media->set_clock_source(sc, LMC_CTL_CLOCK_SOURCE_INT);
else if (ctl->clock_source == LMC_CTL_CLOCK_SOURCE_EXT
&& sc->ictl.clock_source == LMC_CTL_CLOCK_SOURCE_INT)
sc->lmc_media->set_clock_source(sc, LMC_CTL_CLOCK_SOURCE_EXT);
if (ctl->clock_rate != sc->ictl.clock_rate)
sc->lmc_media->set_speed(sc, ctl);
lmc_set_protocol(sc, ctl);
}
/*
* 1 == internal, 0 == external
*/
static void
lmc_t1_set_clock(lmc_softc_t * const sc, int ie)
{
if (ie == LMC_CTL_CLOCK_SOURCE_EXT) {
sc->lmc_gpio &= ~(LMC_GEP_T1_TXCLOCK);
LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio);
sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_EXT;
printf(LMC_PRINTF_FMT ": clock external\n",
LMC_PRINTF_ARGS);
} else {
sc->lmc_gpio |= LMC_GEP_T1_TXCLOCK;
LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio);
sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_INT;
printf(LMC_PRINTF_FMT ": clock internal\n",
LMC_PRINTF_ARGS);
}
}
static void
lmc_t1_set_speed(lmc_softc_t * const sc, lmc_ctl_t *ctl)
{
lmc_ctl_t *ictl = &sc->ictl;
lmc_av9110_t *av;
if (ctl == NULL) {
av = &ictl->cardspec.t1;
ictl->clock_rate = 100000;
av->f = ictl->clock_rate;
av->n = 8;
av->m = 25;
av->v = 0;
av->x = 0;
av->r = 2;
write_av9110(sc, av->n, av->m, av->v, av->x, av->r);
return;
}
av = &ctl->cardspec.t1;
if (av->f == 0)
return;
ictl->clock_rate = av->f; /* really, this is the rate we are */
ictl->cardspec.t1 = *av;
write_av9110(sc, av->n, av->m, av->v, av->x, av->r);
}
/*
* return hardware link status.
* 0 == link is down, 1 == link is up.
*/
static int
lmc_t1_get_link_status(lmc_softc_t * const sc)
{
u_int16_t link_status;
/*
* missing CTS? Hmm. If we require CTS on, we may never get the
* link to come up, so omit it in this test.
*
* Also, it seems that with a loopback cable, DCD isn't asserted,
* so just check for things like this:
* DSR _must_ be asserted.
* One of DCD or CTS must be asserted.
*/
link_status = lmc_mii_readreg(sc, 0, 16);
if ((link_status & LMC_MII16_T1_DSR) == 0)
return (0);
if ((link_status & (LMC_MII16_T1_CTS | LMC_MII16_T1_DCD)) == 0)
return (0);
return (1);
}
static void
lmc_t1_set_link_status(lmc_softc_t * const sc, int state)
{
if (state) {
sc->lmc_miireg16 |= (LMC_MII16_T1_DTR | LMC_MII16_T1_RTS);
printf(LMC_PRINTF_FMT ": asserting DTR and RTS\n",
LMC_PRINTF_ARGS);
} else {
sc->lmc_miireg16 &= ~(LMC_MII16_T1_DTR | LMC_MII16_T1_RTS);
printf(LMC_PRINTF_FMT ": deasserting DTR and RTS\n",
LMC_PRINTF_ARGS);
}
lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
}
/*
* 0 == 16bit, 1 == 32bit
*/
static void
lmc_t1_set_crc_length(lmc_softc_t * const sc, int state)
{
if (state == LMC_CTL_CRC_LENGTH_32) {
/* 32 bit */
sc->lmc_miireg16 |= LMC_MII16_T1_CRC;
sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_32;
} else {
/* 16 bit */
sc->lmc_miireg16 &= ~LMC_MII16_T1_CRC;
sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_16;
}
lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
}
/*
* These are bits to program the T1 frequency generator
*/
static inline void
write_av9110_bit(lmc_softc_t *sc, int c)
{
/*
* set the data bit as we need it.
*/
sc->lmc_gpio &= ~(LMC_GEP_SERIALCLK);
if (c & 0x01)
sc->lmc_gpio |= LMC_GEP_SERIAL;
else
sc->lmc_gpio &= ~(LMC_GEP_SERIAL);
LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio);
/*
* set the clock to high
*/
sc->lmc_gpio |= LMC_GEP_SERIALCLK;
LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio);
/*
* set the clock to low again.
*/
sc->lmc_gpio &= ~(LMC_GEP_SERIALCLK);
LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio);
}
static void
write_av9110(lmc_softc_t *sc, u_int32_t n, u_int32_t m, u_int32_t v,
u_int32_t x, u_int32_t r)
{
int i;
#if 0
printf(LMC_PRINTF_FMT ": speed %u, %d %d %d %d %d\n",
LMC_PRINTF_ARGS, sc->ictl.clock_rate,
n, m, v, x, r);
#endif
sc->lmc_gpio |= LMC_GEP_T1_GENERATOR;
sc->lmc_gpio &= ~(LMC_GEP_SERIAL | LMC_GEP_SERIALCLK);
LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio);
/*
* Set the TXCLOCK, GENERATOR, SERIAL, and SERIALCLK
* as outputs.
*/
lmc_gpio_mkoutput(sc, (LMC_GEP_SERIAL | LMC_GEP_SERIALCLK
| LMC_GEP_T1_GENERATOR));
sc->lmc_gpio &= ~(LMC_GEP_T1_GENERATOR);
LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio);
/*
* a shifting we will go...
*/
for (i = 0 ; i < 7 ; i++)
write_av9110_bit(sc, n >> i);
for (i = 0 ; i < 7 ; i++)
write_av9110_bit(sc, m >> i);
for (i = 0 ; i < 1 ; i++)
write_av9110_bit(sc, v >> i);
for (i = 0 ; i < 2 ; i++)
write_av9110_bit(sc, x >> i);
for (i = 0 ; i < 2 ; i++)
write_av9110_bit(sc, r >> i);
for (i = 0 ; i < 5 ; i++)
write_av9110_bit(sc, 0x17 >> i);
/*
* stop driving serial-related signals
*/
lmc_gpio_mkinput(sc,
(LMC_GEP_SERIAL | LMC_GEP_SERIALCLK
| LMC_GEP_T1_GENERATOR));
}
static void
lmc_set_protocol(lmc_softc_t * const sc, lmc_ctl_t *ctl)
{
if (ctl == 0) {
sc->ictl.keepalive_onoff = LMC_CTL_ON;
return;
}
#if defined(__NetBSD__) || defined(__FreeBSD__)
if (ctl->keepalive_onoff != sc->ictl.keepalive_onoff) {
switch (ctl->keepalive_onoff) {
case LMC_CTL_ON:
printf(LMC_PRINTF_FMT ": enabling keepalive\n",
LMC_PRINTF_ARGS);
sc->ictl.keepalive_onoff = LMC_CTL_ON;
sc->lmc_sppp.pp_flags = PP_CISCO | PP_KEEPALIVE;
break;
case LMC_CTL_OFF:
printf(LMC_PRINTF_FMT ": disabling keepalive\n",
LMC_PRINTF_ARGS);
sc->ictl.keepalive_onoff = LMC_CTL_OFF;
sc->lmc_sppp.pp_flags = PP_CISCO;
}
}
#endif
}

380
sys/dev/pci/if_lmc_nbsd.c Normal file
View File

@ -0,0 +1,380 @@
/* $NetBSD: if_lmc_nbsd.c,v 1.1 1999/03/25 03:32:43 explorer Exp $ */
/*-
* Copyright (c) 1997-1999 LAN Media Corporation (LMC)
* All rights reserved. www.lanmedia.com
*
* This code is written by Michael Graff <graff@vix.com> for LMC.
* The code is derived from permitted modifications to software created
* by Matt Thomas (matt@3am-software.com).
*
* 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. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* 3. All marketing or advertising materials mentioning features or
* use of this software must display the following acknowledgement:
* This product includes software developed by LAN Media Corporation
* and its contributors.
* 4. Neither the name of LAN Media Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY LAN MEDIA CORPORATION AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*-
* Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
* 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/proc.h> /* only for declaration of wakeup() used by vm.h */
#if defined(__FreeBSD__)
#include <machine/clock.h>
#elif defined(__bsdi__) || defined(__NetBSD__)
#include <sys/device.h>
#endif
#if defined(__NetBSD__)
#include <dev/pci/pcidevs.h>
#include "rnd.h"
#if NRND > 0
#include <sys/rnd.h>
#endif
#endif
#include <net/if.h>
#include <net/if_types.h>
#include <net/if_dl.h>
#include <net/netisr.h>
#include "bpfilter.h"
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#include <vm/vm.h>
#include <vm/vm_param.h>
#include <vm/vm_kern.h>
#if defined(__FreeBSD__) || defined(__NetBSD__)
#include <net/if_sppp.h>
#endif
#if defined(__bsdi__)
#if INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#endif
#include <net/netisr.h>
#include <net/if.h>
#include <net/netisr.h>
#include <net/if_types.h>
#include <net/if_p2p.h>
#include <net/if_c_hdlc.h>
#endif
#if defined(__FreeBSD__)
#include <vm/pmap.h>
#include <pci.h>
#if NPCI > 0
#include <pci/pcivar.h>
#include <pci/dc21040reg.h>
#define INCLUDE_PATH_PREFIX "pci/"
#endif
#endif /* __FreeBSD__ */
#if defined(__bsdi__)
#include <i386/pci/ic/dc21040.h>
#include <i386/isa/isa.h>
#include <i386/isa/icu.h>
#include <i386/isa/dma.h>
#include <i386/isa/isavar.h>
#include <i386/pci/pci.h>
#define INCLUDE_PATH_PREFIX "i386/pci/"
#endif /* __bsdi__ */
#if defined(__NetBSD__)
#include <machine/bus.h>
#if defined(__alpha__)
#include <machine/intr.h>
#endif
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/ic/dc21040reg.h>
#define INCLUDE_PATH_PREFIX "dev/pci/"
#endif /* __NetBSD__ */
/*
* Sigh. Every OS puts these in different places. NetBSD and FreeBSD use
* a C preprocessor that allows this hack, but BSDI does not. Grr.
*/
#if defined(__NetBSD__) || defined(__FreeBSD__)
#include INCLUDE_PATH_PREFIX "if_lmc_types.h"
#include INCLUDE_PATH_PREFIX "if_lmcioctl.h"
#include INCLUDE_PATH_PREFIX "if_lmcvar.h"
#else /* BSDI */
#include "i386/pci/if_lmctypes.h"
#include "i386/pci/if_lmcioctl.h"
#include "i386/pci/if_lmcvar.h"
#endif
/*
* This file is INCLUDED (gross, I know, but...)
*/
static void lmc_shutdown(void *arg);
static int
lmc_pci_probe(struct device *parent,
#ifdef __BROKEN_INDIRECT_CONFIG
void *match,
#else
struct cfdata *match,
#endif
void *aux)
{
struct pci_attach_args *pa = (struct pci_attach_args *)aux;
u_int32_t id;
/*
* check first for the DEC chip we expect to find. We expect
* 21140A, pass 2.2 or higher.
*/
if (PCI_VENDORID(pa->pa_id) != PCI_VENDOR_DEC)
return 0;
if (PCI_CHIPID(pa->pa_id) != PCI_PRODUCT_DEC_21140)
return 0;
id = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CFRV) & 0xff;
if (id < 0x22)
return 0;
/*
* Next, check the subsystem ID and see if it matches what we
* expect.
*/
id = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SSID);
if (PCI_VENDORID(id) != PCI_VENDOR_LMC)
return 0;
if ((PCI_CHIPID(id) != PCI_PRODUCT_LMC_HSSI)
&& (PCI_CHIPID(id) != PCI_PRODUCT_LMC_DS3)
&& (PCI_CHIPID(id) != PCI_PRODUCT_LMC_SSI))
return 0;
return 10; /* must be > than any other tulip driver */
}
static void lmc_pci_attach(struct device * const parent,
struct device * const self, void * const aux);
struct cfattach lmc_ca = {
sizeof(lmc_softc_t), lmc_pci_probe, lmc_pci_attach
};
static void
lmc_pci_attach(struct device * const parent,
struct device * const self, void * const aux)
{
u_int32_t revinfo, cfdainfo, id, ssid;
pci_intr_handle_t intrhandle;
const char *intrstr;
#if !defined(LMC_IOMAPPED)
vm_offset_t pa_csrs;
#endif
unsigned csroffset = LMC_PCI_CSROFFSET;
unsigned csrsize = LMC_PCI_CSRSIZE;
lmc_csrptr_t csr_base;
lmc_spl_t s;
lmc_intrfunc_t (*intr_rtn)(void *) = lmc_intr_normal;
lmc_softc_t * const sc = (lmc_softc_t *) self;
struct pci_attach_args * const pa = (struct pci_attach_args *) aux;
extern lmc_media_t lmc_hssi_media;
extern lmc_media_t lmc_ds3_media;
extern lmc_media_t lmc_t1_media;
revinfo = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CFRV) & 0xFF;
id = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CFID);
cfdainfo = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CFDA);
ssid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SSID);
switch (PCI_CHIPID(ssid)) {
case PCI_PRODUCT_LMC_HSSI:
printf(": Lan Media Corporation HSSI\n");
sc->lmc_media = &lmc_hssi_media;
break;
case PCI_PRODUCT_LMC_DS3:
printf(": Lan Media Corporation DS3\n");
sc->lmc_media = &lmc_ds3_media;
break;
case PCI_PRODUCT_LMC_SSI:
printf(": Lan Media Corporation SSI\n");
sc->lmc_media = &lmc_t1_media;
break;
}
sc->lmc_pci_busno = parent;
sc->lmc_pci_devno = pa->pa_device;
sc->lmc_chipid = LMC_21140A;
sc->lmc_features |= LMC_HAVE_STOREFWD;
if (sc->lmc_chipid == LMC_21140A && revinfo <= 0x22)
sc->lmc_features |= LMC_HAVE_RXBADOVRFLW;
if (cfdainfo & (TULIP_CFDA_SLEEP | TULIP_CFDA_SNOOZE)) {
cfdainfo &= ~(TULIP_CFDA_SLEEP | TULIP_CFDA_SNOOZE);
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_CFDA, cfdainfo);
DELAY(11 * 1000);
}
bcopy(self->dv_xname, sc->lmc_if.if_xname, IFNAMSIZ);
sc->lmc_if.if_softc = sc;
sc->lmc_pc = pa->pa_pc;
sc->lmc_revinfo = revinfo;
sc->lmc_if.if_softc = sc;
csr_base = 0;
{
bus_space_tag_t iot, memt;
bus_space_handle_t ioh, memh;
int ioh_valid, memh_valid;
ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO,
0, &iot, &ioh, NULL, NULL) == 0);
memh_valid = (pci_mapreg_map(pa, PCI_CBMA,
PCI_MAPREG_TYPE_MEM |
PCI_MAPREG_MEM_TYPE_32BIT,
0, &memt, &memh, NULL,
NULL) == 0);
if (memh_valid) {
sc->lmc_bustag = memt;
sc->lmc_bushandle = memh;
} else if (ioh_valid) {
sc->lmc_bustag = iot;
sc->lmc_bushandle = ioh;
} else {
printf("%s: unable to map device registers\n",
sc->lmc_dev.dv_xname);
return;
}
}
lmc_initcsrs(sc, csr_base + csroffset, csrsize);
lmc_initring(sc, &sc->lmc_rxinfo, sc->lmc_rxdescs,
LMC_RXDESCS);
lmc_initring(sc, &sc->lmc_txinfo, sc->lmc_txdescs,
LMC_TXDESCS);
lmc_gpio_mkinput(sc, 0xff);
sc->lmc_gpio = 0; /* drive no signals yet */
sc->lmc_media->defaults(sc);
sc->lmc_media->set_link_status(sc, 0); /* down */
/*
* Make sure there won't be any interrupts or such...
*/
LMC_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
/*
* Wait 10 microseconds (actually 50 PCI cycles but at
* 33MHz that comes to two microseconds but wait a
* bit longer anyways)
*/
DELAY(100);
lmc_read_macaddr(sc);
printf("%s: pass %d.%d, serial " LMC_EADDR_FMT "\n",
sc->lmc_dev.dv_xname,
(sc->lmc_revinfo & 0xF0) >> 4, sc->lmc_revinfo & 0x0F,
LMC_EADDR_ARGS(sc->lmc_enaddr));
if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
pa->pa_intrline, &intrhandle)) {
printf("%s: couldn't map interrupt\n",
sc->lmc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pa->pa_pc, intrhandle);
sc->lmc_ih = pci_intr_establish(pa->pa_pc, intrhandle,
IPL_NET, intr_rtn, sc);
if (sc->lmc_ih == NULL) {
printf("%s: couldn't establish interrupt",
sc->lmc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf("%s: interrupting at %s\n", sc->lmc_dev.dv_xname,
intrstr);
sc->lmc_ats = shutdownhook_establish(lmc_shutdown, sc);
if (sc->lmc_ats == NULL)
printf("%s: warning: couldn't establish shutdown hook\n",
sc->lmc_xname);
s = LMC_RAISESPL();
lmc_dec_reset(sc);
lmc_reset(sc);
lmc_attach(sc);
LMC_RESTORESPL(s);
}
static void
lmc_shutdown(void *arg)
{
lmc_softc_t * const sc = arg;
LMC_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
DELAY(10);
sc->lmc_miireg16 = 0; /* deassert ready, and all others too */
lmc_led_on(sc, LMC_MII16_LED_ALL);
}

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/* $NetBSD: if_lmc_types.h,v 1.1 1999/03/25 03:32:43 explorer Exp $ */
/*-
* Copyright (c) 1997-1999 LAN Media Corporation (LMC)
* All rights reserved. www.lanmedia.com
*
* This code is written by Michael Graff <graff@vix.com> for LMC.
* The code is derived from permitted modifications to software created
* by Matt Thomas (matt@3am-software.com).
*
* 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. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* 3. All marketing or advertising materials mentioning features or
* use of this software must display the following acknowledgement:
* This product includes software developed by LAN Media Corporation
* and its contributors.
* 4. Neither the name of LAN Media Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY LAN MEDIA CORPORATION AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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(__NetBSD__)
typedef bus_addr_t lmc_csrptr_t;
#else
#ifdef LMC_IOMAPPED
typedef u_int16_t lmc_csrptr_t;
#else
typedef volatile u_int32_t *lmc_csrptr_t;
#endif
#endif
#if defined(__NetBSD__)
#define lmc_intrfunc_t int
#endif /* __NetBSD__ */
#if defined(__FreeBSD__)
#define lmc_intrfunc_t void
#endif /* __FreeBSD__ */
#if defined(__bsdi__)
#define lmc_intrfunc_t int
#endif /* __bsdi__ */
typedef struct lmc___softc lmc_softc_t;
typedef struct lmc___media lmc_media_t;
typedef struct lmc___ctl lmc_ctl_t;
typedef struct lmc_ringinfo lmc_ringinfo_t;

256
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/* $NetBSD: if_lmcioctl.h,v 1.1 1999/03/25 03:32:43 explorer Exp $ */
/*-
* Copyright (c) 1997-1999 LAN Media Corporation (LMC)
* All rights reserved. www.lanmedia.com
*
* This code is written by Michael Graff <graff@vix.com> for LMC.
* The code is derived from permitted modifications to software created
* by Matt Thomas (matt@3am-software.com).
*
* 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. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* 3. All marketing or advertising materials mentioning features or
* use of this software must display the following acknowledgement:
* This product includes software developed by LAN Media Corporation
* and its contributors.
* 4. Neither the name of LAN Media Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY LAN MEDIA CORPORATION AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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(linux)
/*
* IOCTLs that we use for linux. The structures passed in really should
* go into an OS inspecific file, since BSD will use these as well.
*
* Under linux, the 16 reserved-for-device IOCTLs are numbered 0x89f0
* through 0x89ff.
*/
#define LMCIOCGINFO 0x89f0 /* get current state */
#define LMCIOCSINFO 0x89f1 /* set state to user provided values */
#else
/*
* IOCTLs for the sane world.
*/
#define LMCIOCGINFO _IOW('i', 240, struct ifreq)
#define LMCIOCSINFO _IOWR('i', 241, struct ifreq)
#endif
typedef struct {
u_int32_t n;
u_int32_t m;
u_int32_t v;
u_int32_t x;
u_int32_t r;
u_int32_t f;
u_int32_t exact;
} lmc_av9110_t;
/*
* Common structure passed to the ioctl code.
*/
struct lmc___ctl {
u_int32_t cardtype;
u_int32_t clock_source; /* HSSI, T1 */
u_int32_t clock_rate; /* T1 */
u_int32_t crc_length;
u_int32_t cable_length; /* DS3 */
u_int32_t scrambler_onoff; /* DS3 */
u_int32_t cable_type; /* T1 */
u_int32_t keepalive_onoff; /* protocol */
u_int32_t ticks; /* ticks/sec */
union {
lmc_av9110_t t1;
} cardspec;
};
#define LMC_CTL_CARDTYPE_LMC5200 0 /* HSSI */
#define LMC_CTL_CARDTYPE_LMC5245 1 /* DS3 */
#define LMC_CTL_CARDTYPE_LMC1000 2 /* T1, E1, etc */
#define LMC_CTL_OFF 0 /* generic OFF value */
#define LMC_CTL_ON 1 /* generic ON value */
#define LMC_CTL_CLOCK_SOURCE_EXT 0 /* clock off line */
#define LMC_CTL_CLOCK_SOURCE_INT 1 /* internal clock */
#define LMC_CTL_CRC_LENGTH_16 16
#define LMC_CTL_CRC_LENGTH_32 32
#define LMC_CTL_CABLE_LENGTH_LT_100FT 0 /* DS3 cable < 100 feet */
#define LMC_CTL_CABLE_LENGTH_GT_100FT 1 /* DS3 cable >= 100 feet */
/*
* These are not in the least IOCTL related, but I want them common.
*/
/*
* assignments for the GPIO register on the DEC chip (common)
*/
#define LMC_GEP_INIT 0x01 /* 0: */
#define LMC_GEP_RESET 0x02 /* 1: */
#define LMC_GEP_LOAD 0x10 /* 4: */
#define LMC_GEP_DP 0x20 /* 5: */
#define LMC_GEP_SERIAL 0x40 /* 6: serial out */
#define LMC_GEP_SERIALCLK 0x80 /* 7: serial clock */
/*
* HSSI GPIO assignments
*/
#define LMC_GEP_HSSI_ST 0x04 /* 2: receive timing sense (deprecated) */
#define LMC_GEP_HSSI_CLOCK 0x08 /* 3: clock source */
/*
* T1 GPIO assignments
*/
#define LMC_GEP_T1_GENERATOR 0x04 /* 2: enable prog freq gen serial i/f */
#define LMC_GEP_T1_TXCLOCK 0x08 /* 3: provide clock on TXCLOCK output */
/*
* Common MII16 bits
*/
#define LMC_MII16_LED0 0x0080
#define LMC_MII16_LED1 0x0100
#define LMC_MII16_LED2 0x0200
#define LMC_MII16_LED3 0x0400 /* Error, and the red one */
#define LMC_MII16_LED_ALL 0x0780 /* LED bit mask */
#define LMC_MII16_FIFO_RESET 0x0800
/*
* definitions for HSSI
*/
#define LMC_MII16_HSSI_TA 0x0001
#define LMC_MII16_HSSI_CA 0x0002
#define LMC_MII16_HSSI_LA 0x0004
#define LMC_MII16_HSSI_LB 0x0008
#define LMC_MII16_HSSI_LC 0x0010
#define LMC_MII16_HSSI_TM 0x0020
#define LMC_MII16_HSSI_CRC 0x0040
/*
* assignments for the MII register 16 (DS3)
*/
#define LMC_MII16_DS3_ZERO 0x0001
#define LMC_MII16_DS3_TRLBK 0x0002
#define LMC_MII16_DS3_LNLBK 0x0004
#define LMC_MII16_DS3_RAIS 0x0008
#define LMC_MII16_DS3_TAIS 0x0010
#define LMC_MII16_DS3_BIST 0x0020
#define LMC_MII16_DS3_DLOS 0x0040
#define LMC_MII16_DS3_CRC 0x1000
#define LMC_MII16_DS3_SCRAM 0x2000
/*
* And T1
*/
#define LMC_MII16_T1_DTR 0x0001 /* DTR output RW */
#define LMC_MII16_T1_DSR 0x0002 /* DSR input RO */
#define LMC_MII16_T1_RTS 0x0004 /* RTS output RW */
#define LMC_MII16_T1_CTS 0x0008 /* CTS input RO */
#define LMC_MII16_T1_DCD 0x0010 /* DCD input RO */
#define LMC_MII16_T1_RI 0x0020 /* RI input RO */
#define LMC_MII16_T1_CRC 0x0040 /* CRC select */
/*
* bits 0x0080 through 0x0800 are generic, and described
* above with LMC_MII16_LED[0123] _LED_ALL, and _FIFO_RESET
*/
#define LMC_MII16_T1_LL 0x1000 /* LL output RW */
#define LMC_MII16_T1_RL 0x2000 /* RL output RW */
#define LMC_MII16_T1_TM 0x4000 /* TM input RO */
#define LMC_MII16_T1_LOOP 0x8000 /* loopback enable RW */
/*
* Some of the MII16 bits are mirrored in the MII17 register as well,
* but let's keep thing seperate for now, and get only the cable from
* the MII17.
*/
#define LMC_MII17_T1_CABLE_MASK 0x0038 /* mask to extract the cable type */
#define LMC_MII17_T1_CABLE_SHIFT 3 /* shift to extract the cable type */
/*
* framer register 0 and 7 (7 is latched and reset on read)
*/
#define LMC_FRAMER_REG0_DLOS 0x80 /* digital loss of service */
#define LMC_FRAMER_REG0_OOFS 0x40 /* out of frame sync */
#define LMC_FRAMER_REG0_AIS 0x20 /* alarm indication signal */
#define LMC_FRAMER_REG0_CIS 0x10 /* channel idle */
#define LMC_FRAMER_REG0_LOC 0x08 /* loss of clock */
#define LMC_CARDTYPE_UNKNOWN -1
#define LMC_CARDTYPE_HSSI 1 /* probed card is a HSSI card */
#define LMC_CARDTYPE_DS3 2 /* probed card is a DS3 card */
#define LMC_CARDTYPE_T1 3 /* probed card is a T1 card */
/*
* NetBSD uses _KERNEL, FreeBSD uses KERNEL.
*/
#if defined(_KERNEL) && defined(__NetBSD__)
#define LMC_IS_KERNEL
#endif
#if defined(KERNEL) && defined(__FreeBSD__)
#define LMC_IS_KERNEL
#endif
#if defined(__KERNEL__) && defined(linux)
#define LMC_IS_KERNEL
#endif
#if defined(LMC_IS_KERNEL)
/*
* media independent methods to check on media status, link, light LEDs,
* etc.
*/
struct lmc___media {
void (* init)(lmc_softc_t * const);
void (* defaults)(lmc_softc_t * const);
void (* set_status)(lmc_softc_t * const, lmc_ctl_t *);
void (* set_clock_source)(lmc_softc_t * const, int);
void (* set_speed)(lmc_softc_t * const, lmc_ctl_t *);
void (* set_cable_length)(lmc_softc_t * const, int);
void (* set_scrambler)(lmc_softc_t * const, int);
int (* get_link_status)(lmc_softc_t * const);
void (* set_link_status)(lmc_softc_t * const, int);
void (* set_crc_length)(lmc_softc_t * const, int);
};
u_int32_t lmc_mii_readreg(lmc_softc_t * const sc, u_int32_t devaddr,
u_int32_t regno);
void lmc_mii_writereg(lmc_softc_t * const sc, u_int32_t devaddr,
u_int32_t regno, u_int32_t data);
void lmc_initcsrs(lmc_softc_t * const sc, lmc_csrptr_t csr_base,
size_t csr_size);
void lmc_dec_reset(lmc_softc_t * const sc);
void lmc_reset(lmc_softc_t * const sc);
void lmc_led_on(lmc_softc_t * const sc, u_int32_t led);
void lmc_led_off(lmc_softc_t * const sc, u_int32_t led);
void lmc_gpio_mkinput(lmc_softc_t * const sc, u_int32_t bits);
void lmc_gpio_mkoutput(lmc_softc_t * const sc, u_int32_t bits);
lmc_intrfunc_t lmc_intr_normal(void *);
int lmc_read_macaddr(lmc_softc_t * const sc);
void lmc_attach(lmc_softc_t * const sc);
void lmc_initring(lmc_softc_t * const sc, lmc_ringinfo_t * const ri,
tulip_desc_t *descs, int ndescs);
#endif /* LMC_IS_KERNEL */

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/* $NetBSD: if_lmcvar.h,v 1.1 1999/03/25 03:32:43 explorer Exp $ */
/*-
* Copyright (c) 1997-1999 LAN Media Corporation (LMC)
* All rights reserved. www.lanmedia.com
*
* This code is written by Michael Graff <graff@vix.com> for LMC.
* The code is derived from permitted modifications to software created
* by Matt Thomas (matt@3am-software.com).
*
* 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. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* 3. All marketing or advertising materials mentioning features or
* use of this software must display the following acknowledgement:
* This product includes software developed by LAN Media Corporation
* and its contributors.
* 4. Neither the name of LAN Media Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY LAN MEDIA CORPORATION AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*-
* Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
* 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
/*
* Intel CPUs should use I/O mapped access. XXXMLG Is this true on NetBSD
* too?
*/
#if defined(__i386__)
#define LMC_IOMAPPED
#endif
/*
* This turns on all sort of debugging stuff and make the
* driver much larger.
*/
#if 0
#define LMC_DEBUG
#define DP(x) printf x
#else
#define DP(x)
#endif
/*
* the dec chip has its own idea of what a receive error is, but we don't
* want to use it, as it will get the crc error wrong when 16-bit
* crcs are used. So, we only care about certain conditions.
*/
#ifndef TULIP_DSTS_RxMIIERR
#define TULIP_DSTS_RxMIIERR 0x00000008
#endif
#define LMC_DSTS_ERRSUM (TULIP_DSTS_RxMIIERR)
/*
* This is the PCI configuration support.
*/
#define PCI_CFID 0x00 /* Configuration ID */
#define PCI_CFCS 0x04 /* Configurtion Command/Status */
#define PCI_CFRV 0x08 /* Configuration Revision */
#define PCI_CFLT 0x0c /* Configuration Latency Timer */
#define PCI_CBIO 0x10 /* Configuration Base IO Address */
#define PCI_CBMA 0x14 /* Configuration Base Memory Address */
#define PCI_SSID 0x2c /* subsystem config register */
#define PCI_CFIT 0x3c /* Configuration Interrupt */
#define PCI_CFDA 0x40 /* Configuration Driver Area */
#define LMC_HZ 10
#ifndef TULIP_GP_PINSET
#define TULIP_GP_PINSET 0x00000100L
#endif
#ifndef TULIP_BUSMODE_READMULTIPLE
#define TULIP_BUSMODE_READMULTIPLE 0x00200000L
#endif
#if defined(__NetBSD__)
#include "rnd.h"
#if NRND > 0
#include <sys/rnd.h>
#endif
#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__)
#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__)
/*
* 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.
*/
struct lmc_ringinfo {
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;
};
/*
* 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 {
/*
* 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;
#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
};
/*
* 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_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_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) */